:root {
  --ink: #17202b;
  --ink-soft: #5f6975;
  --paper: #f6f7f8;
  --white: #ffffff;
  --soft: #eef1f3;
  --line: #dce1e5;
  --red: #ee4137;
  --red-dark: #c72f28;
  --blue: #8bd8f7;
  --navy: #121a24;
  --font: 'Manrope', Arial, sans-serif;
  --display: 'Unbounded', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--font); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 99; opacity: .022; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(1280px, calc(100% - 64px)); margin: auto; }
.cursor-glow { position: fixed; z-index: 0; width: 520px; height: 520px; border-radius: 50%; pointer-events: none; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(238,65,55,.09), transparent 67%); }

.site-header { position: absolute; z-index: 20; top: 0; left: 0; right: 0; height: 84px; border-bottom: 1px solid rgba(23,32,43,.09); }
.nav-shell { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1; }
.brand b { font: 700 18px/1 var(--display); letter-spacing: .08em; }
.brand small { margin-top: 7px; color: #7b8590; font-size: 9px; letter-spacing: .17em; text-transform: uppercase; }
.brand-mark { position: relative; display: block; width: 39px; height: 34px; }
.brand-mark i { position: absolute; bottom: 0; width: 8px; background: var(--red); transform: skew(-20deg); }
.brand-mark i:nth-child(1) { left: 3px; height: 18px; }.brand-mark i:nth-child(2) { left: 15px; height: 27px; }.brand-mark i:nth-child(3) { left: 27px; height: 34px; }
.desktop-nav { display: flex; gap: 38px; color: #56616d; font-size: 14px; }
.desktop-nav a { transition: color .25s; }.desktop-nav a:hover { color: var(--red); }
.header-cta { display: flex; align-items: center; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--red); font-size: 14px; font-weight: 700; }
.header-cta span { color: var(--red); }.menu-button, .mobile-menu { display: none; }

.hero { position: relative; min-height: 850px; overflow: hidden; background: linear-gradient(135deg, #fbfbfa 0%, #f0f3f5 100%); }
.hero::after { content: ""; position: absolute; right: -9%; top: -20%; width: 55vw; height: 55vw; border-radius: 50%; background: radial-gradient(circle, rgba(238,65,55,.11), transparent 67%); }
.hero-orbit { position: absolute; z-index: 1; border: 1px solid rgba(238,65,55,.13); border-radius: 50%; }
.orbit-one { width: 560px; height: 560px; top: 170px; right: -100px; animation: orbitSpin 22s linear infinite; }.orbit-two { width: 360px; height: 360px; right: 120px; top: 270px; border-style: dashed; animation: orbitSpin 18s linear infinite reverse; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; min-height: 810px; padding-top: 130px; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 12px; color: #6e7883; font-size: 12px; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow > span { width: 32px; height: 2px; background: var(--red); }
.hero h1, .section h2 { margin: 27px 0 26px; font: 700 clamp(48px, 5.5vw, 82px)/1.06 var(--display); letter-spacing: -.055em; text-transform: uppercase; }
.hero h1 em, .section h2 em, .compare-copy h2 em { color: var(--red); font-style: normal; }
.hero-copy > p { max-width: 650px; color: var(--ink-soft); font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.button { display: inline-flex; min-height: 58px; align-items: center; justify-content: center; gap: 22px; padding: 0 27px; border: 0; border-radius: 8px; font-size: 14px; font-weight: 800; cursor: pointer; transition: transform .25s, background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }.button-primary { background: var(--red); color: #fff; box-shadow: 0 12px 28px rgba(238,65,55,.18); }.button-primary:hover { background: var(--red-dark); }
.text-link { display: inline-flex; align-items: center; gap: 14px; border-bottom: 1px solid #c2c8cd; padding: 8px 0; font-size: 14px; font-weight: 700; }.text-link span { color: var(--red); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 54px; }
.hero-facts > div { padding: 17px 14px; border-left: 2px solid var(--red); background: rgba(255,255,255,.62); backdrop-filter: blur(10px); }
.hero-facts strong { display: block; font: 700 18px var(--display); }.hero-facts span { display: block; margin-top: 7px; color: #7a8590; font-size: 10px; line-height: 1.4; letter-spacing: .06em; text-transform: uppercase; }
.hero-visual { position: relative; height: 610px; margin-right: -80px; }
.hero-image-wrap { position: absolute; inset: 15px 0 0 0; overflow: hidden; border-radius: 110px 0 0 28px; background: var(--navy); box-shadow: 0 30px 80px rgba(31,40,50,.19); }
.hero-image-wrap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,26,36,.18), transparent 45%); }
.hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.scanline { position: absolute; z-index: 2; left: 0; right: 0; top: 25%; height: 1px; background: linear-gradient(90deg, transparent, var(--blue), transparent); box-shadow: 0 0 18px var(--blue); animation: scan 5s ease-in-out infinite; }
.visual-chip { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid rgba(255,255,255,.55); border-radius: 10px; background: rgba(255,255,255,.88); box-shadow: 0 12px 30px rgba(22,29,38,.13); backdrop-filter: blur(10px); color: var(--ink); font-size: 11px; font-weight: 800; }
.visual-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(238,65,55,.12); }.visual-chip span { display: flex; flex-direction: column; }.visual-chip small { color: #8a949e; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.chip-one { right: 6%; top: 20%; }.chip-two { left: 3%; bottom: 17%; }.chip-three { right: 9%; bottom: 30%; }
.anti-badge { position: absolute; z-index: 5; right: 32px; bottom: -4px; display: flex; width: 132px; height: 132px; flex-direction: column; align-items: center; justify-content: center; border: 8px solid var(--paper); border-radius: 50%; background: var(--red); color: #fff; line-height: .85; box-shadow: 0 16px 40px rgba(238,65,55,.24); animation: float 4s ease-in-out infinite; }
.anti-badge b, .anti-badge strong { font: 700 21px var(--display); }.anti-badge strong { color: var(--navy); }
.hero-marquee { position: absolute; z-index: 4; bottom: 0; left: 0; right: 0; display: flex; height: 46px; align-items: center; overflow: hidden; background: var(--red); color: #fff; font: 700 11px var(--display); letter-spacing: .08em; white-space: nowrap; }
.hero-marquee > div { display: flex; min-width: max-content; align-items: center; gap: 42px; animation: marquee 26s linear infinite; }.hero-marquee i { color: var(--navy); font-style: normal; }

.section { position: relative; padding: 120px 0; }.section-kicker { padding-top: 17px; border-top: 1px solid var(--line); }.section-kicker span { color: var(--red); }
.split-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; }.section h2 { margin: 36px 0 62px; font-size: clamp(42px, 4.9vw, 70px); }.split-heading > p { margin: 0 0 68px; color: var(--ink-soft); font-size: 18px; }

.system { background: var(--white); }
.assembly-lab { --assembly-progress: 20%; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fbfcfc; box-shadow: 0 24px 70px rgba(29,38,48,.08); }
.assembly-tabs { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 1px solid var(--line); background: #fff; }
.assembly-step { display: flex; min-height: 76px; align-items: center; justify-content: center; gap: 10px; border: 0; border-right: 1px solid var(--line); background: transparent; color: #87919a; font-size: 12px; font-weight: 700; cursor: pointer; transition: color .25s, background .25s; }.assembly-step:last-child { border-right: 0; }.assembly-step span { color: #adb5bc; font: 600 10px var(--display); }.assembly-step:hover { background: #f7f8f8; color: var(--ink); }.assembly-step.active { background: var(--red); color: #fff; }.assembly-step.active span { color: rgba(255,255,255,.7); }
.assembly-layout { display: grid; grid-template-columns: .37fr .63fr; min-height: 540px; }.assembly-copy { display: flex; flex-direction: column; justify-content: center; padding: 50px; border-right: 1px solid var(--line); background: #fff; }.assembly-status { display: flex; align-items: center; gap: 9px; color: #7c8792; font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }.assembly-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 5px rgba(238,65,55,.1); }.assembly-copy h3 { margin: 24px 0 14px; font: 700 25px/1.25 var(--display); text-transform: uppercase; }.assembly-copy p { min-height: 78px; margin: 0; color: var(--ink-soft); }.assembly-copy > small { margin-top: 16px; color: #9ca5ad; font-size: 11px; }.assembly-progress { height: 5px; margin-top: 34px; overflow: hidden; border-radius: 99px; background: var(--soft); }.assembly-progress span { display: block; width: var(--assembly-progress); height: 100%; border-radius: inherit; background: var(--red); transition: width .6s cubic-bezier(.2,.8,.2,1); }
.system-canvas { position: relative; min-height: 540px; overflow: hidden; background: #f3f6f7; }.canvas-grid, .node-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(23,32,43,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(23,32,43,.045) 1px, transparent 1px); background-size: 28px 28px; }.system-canvas svg { position: relative; z-index: 2; display: block; width: 100%; height: 100%; }.building-lines path { fill: none; stroke: #d9e0e4; stroke-width: 2; }.assembly-group { opacity: .1; transform: translateY(8px); transform-origin: center; transition: opacity .6s, transform .6s; }.assembly-group.assembled { opacity: 1; transform: none; }.assembly-group.current { filter: url(#soft-glow); }.system-pipe { fill: none; stroke: var(--red); stroke-width: 20; stroke-linecap: round; stroke-linejoin: round; }.system-water { fill: none; stroke: var(--blue); stroke-width: 3; stroke-dasharray: 8 14; stroke-linecap: round; animation: flow 1.6s linear infinite; }.source-box { fill: var(--navy); }.svg-label { fill: #fff; font: 700 12px var(--font); letter-spacing: .12em; }.svg-note { fill: #77828d; font: 700 11px var(--font); letter-spacing: .08em; text-transform: uppercase; }.valve-ring, .connector { fill: #fff; stroke: var(--red-dark); stroke-width: 6; }.valve-cross { stroke: var(--red-dark); stroke-width: 4; }.sprinkler path { fill: none; stroke: var(--navy); stroke-width: 5; stroke-linecap: round; }.droplets { fill: var(--blue); animation: drip 1.7s ease-in-out infinite; }.canvas-legend { position: absolute; z-index: 3; right: 24px; bottom: 18px; display: flex; gap: 18px; padding: 9px 12px; border-radius: 8px; background: rgba(255,255,255,.86); color: #77818b; font-size: 10px; }.canvas-legend span { display: flex; align-items: center; gap: 7px; }.legend-pipe, .legend-water { display: block; width: 20px; height: 4px; border-radius: 9px; background: var(--red); }.legend-water { height: 2px; background: var(--blue); }

.products { background: #f2f4f5; }.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.product-card { min-width: 0; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; transition: transform .35s, box-shadow .35s; }.product-card:hover { transform: translateY(-7px); box-shadow: 0 22px 55px rgba(25,35,45,.1); }.card-top { display: flex; justify-content: space-between; color: #8b959f; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }.card-top span { color: var(--red); font: 600 11px var(--display); }.product-viz { position: relative; height: 180px; margin: 25px -10px 22px; overflow: hidden; border-radius: 14px; background: #f4f6f7; }.product-card h3 { margin: 0 0 10px; font: 700 19px var(--display); text-transform: uppercase; }.product-card p { min-height: 78px; margin: 0 0 22px; color: var(--ink-soft); }.spec-row { display: flex; flex-wrap: wrap; gap: 8px; }.spec-row span { padding: 7px 9px; border-radius: 6px; background: #f2f4f5; color: #65707b; font-size: 10px; font-weight: 800; }
.pipe-viz .tube { position: absolute; top: 67px; width: 115px; height: 42px; border-radius: 8px; background: linear-gradient(#fa655b, #d8322a); box-shadow: inset 0 8px 8px rgba(255,255,255,.18); transition: transform .5s; }.tube-a { left: 23px; }.tube-b { right: 23px; }.coupling { position: absolute; z-index: 2; top: 59px; left: 50%; width: 76px; height: 58px; border-radius: 9px; background: linear-gradient(#f45950,#bd2b25); transform: translateX(-50%); box-shadow: inset 0 9px 9px rgba(255,255,255,.18); }.guide { position: absolute; top: 88px; width: 32px; border-top: 1px dashed #a8b1b9; }.guide-a { left: 124px; }.guide-b { right: 124px; }.product-card:hover .tube-a { transform: translateX(12px); }.product-card:hover .tube-b { transform: translateX(-12px); }
.elbow-shape { position: absolute; top: 35px; left: 50%; width: 112px; height: 112px; border: 30px solid var(--red); border-left-color: transparent; border-bottom-color: transparent; border-radius: 50%; transform: translateX(-50%) rotate(2deg); filter: drop-shadow(0 12px 16px rgba(238,65,55,.18)); }.flow-dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); animation: routeDot 2.4s ease-in-out infinite; }.dot-a { left: 40%; top: 46px; }.dot-b { left: 58%; top: 58px; animation-delay: .5s; }.dot-c { left: 66%; top: 93px; animation-delay: 1s; }
.flange-viz { display: flex; align-items: center; justify-content: center; }.red-part { width: 100px; height: 44px; border-radius: 8px 0 0 8px; background: linear-gradient(#f45d53,#c72f28); }.flange-part { position: relative; width: 30px; height: 86px; border-radius: 8px; background: #7f8993; box-shadow: inset 6px 0 0 #b6bec5; }.flange-part i { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: #28313a; }.flange-part i:nth-child(1){left:6px;top:10px}.flange-part i:nth-child(2){right:6px;top:10px}.flange-part i:nth-child(3){left:6px;bottom:10px}.flange-part i:nth-child(4){right:6px;bottom:10px}.device-part { width: 90px; height: 52px; border-radius: 0 8px 8px 0; background: #28323c; }

.gallery { background:#fff; }
.photo-grid { display:grid; grid-template-columns:1.35fr .65fr; gap:18px; }
.photo-card { position:relative; min-width:0; min-height:580px; margin:0; overflow:hidden; border-radius:22px; background:#dfe4e7; box-shadow:0 20px 58px rgba(25,35,45,.11); }
.photo-card img { width:100%; height:100%; object-fit:cover; transition:transform .8s cubic-bezier(.2,.8,.2,1); }
.photo-card:hover img { transform:scale(1.035); }
.photo-card::after { content:""; position:absolute; inset:45% 0 0; background:linear-gradient(transparent,rgba(12,18,25,.8)); pointer-events:none; }
.photo-card figcaption { position:absolute; z-index:3; left:28px; right:28px; bottom:26px; display:flex; align-items:flex-start; gap:16px; color:#fff; }
.photo-card figcaption > span { display:grid; flex:0 0 34px; width:34px; height:34px; place-items:center; border:1px solid rgba(255,255,255,.45); border-radius:50%; font:600 9px var(--display); }
.photo-card figcaption div { display:flex; flex-direction:column; }.photo-card figcaption strong { font:700 16px var(--display); text-transform:uppercase; }.photo-card figcaption small { margin-top:5px; color:rgba(255,255,255,.72); font-size:11px; }
.photo-marker { position:absolute; z-index:4; display:flex; align-items:center; gap:9px; padding:9px 12px; border:1px solid rgba(255,255,255,.7); border-radius:8px; background:rgba(255,255,255,.9); color:var(--ink); font-size:9px; font-weight:800; letter-spacing:.07em; text-transform:uppercase; backdrop-filter:blur(8px); }
.photo-marker i { width:8px; height:8px; border-radius:50%; background:var(--red); box-shadow:0 0 0 4px rgba(238,65,55,.12); }.marker-main { top:24px; right:24px; }.marker-detail { top:24px; left:24px; }.gallery-note { margin:18px 0 0; color:#929ca5; font-size:11px; text-align:right; }

.advantages { background: #fff; }.benefit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }.benefit-card { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 310px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fbfcfc; }.benefit-copy { display: flex; flex-direction: column; justify-content: center; padding: 32px; }.benefit-copy > span { color: var(--red); font: 600 11px var(--display); }.benefit-copy h3 { margin: 18px 0 12px; font: 700 18px/1.35 var(--display); text-transform: uppercase; }.benefit-copy p { margin: 0; color: var(--ink-soft); font-size: 14px; }.corrosion-viz, .speed-viz, .weight-viz, .life-viz { position: relative; display: flex; align-items: center; justify-content: center; min-height: 260px; overflow: hidden; background: #f1f4f5; }
.cross-section { position: relative; width: 84px; height: 84px; border-radius: 50%; }.cross-section span { position: absolute; inset: 15px; border-radius: 50%; background: #fff; }.cross-section small { position: absolute; left: 50%; bottom: -28px; transform: translateX(-50%); font-weight: 800; }.cross-section.steel { background: conic-gradient(#6d7780,#a44d2a,#6d7780,#8c3f24,#6d7780); }.cross-section.steel span { box-shadow: inset 0 0 0 7px #a15837; }.cross-section.polymer { background: var(--red); box-shadow: 0 12px 25px rgba(238,65,55,.2); }.cross-arrow { margin: 0 14px; color: var(--red); font-size: 24px; }
.speed-viz { flex-direction: column; align-items: stretch; padding: 42px 30px; gap: 30px; }.speed-viz > div { display: grid; grid-template-columns: 58px 1fr 64px; align-items: center; gap: 9px; font-size: 10px; }.speed-viz b { font-size: 10px; }.timeline { height: 12px; overflow: hidden; border-radius: 99px; background: #dfe4e7; }.timeline i { display: block; height: 100%; border-radius: inherit; transform-origin: left; animation: timelineGrow 2.6s ease-in-out infinite; }.timeline.fast i { width: 38%; background: var(--red); }.timeline.slow i { width: 94%; background: #73808b; animation-delay: .4s; }
.balance { position: relative; width: 220px; height: 150px; }.balance > i { position: absolute; left: 50%; bottom: 6px; width: 8px; height: 88px; background: var(--navy); transform: translateX(-50%); }.balance > i::after { content:""; position:absolute; left:50%; bottom:-5px; width:80px; height:10px; border-radius:10px; background:var(--navy); transform:translateX(-50%); }.balance-arm { position: absolute; left: 15px; right: 15px; top: 48px; height: 7px; border-radius: 7px; background: var(--navy); transform: rotate(7deg); transform-origin: center; animation: balance 3.2s ease-in-out infinite; }.load { position: absolute; display: grid; place-items: center; top: 68px; width: 70px; height: 48px; border-radius: 8px; color: #fff; font-size: 10px; }.load.pp { left: 10px; background: var(--red); transform: translateY(-12px); }.load.metal { right: 10px; background: #65717c; transform: translateY(12px); }
.life-viz { flex-direction: column; gap: 20px; }.life-ring { position: relative; display: flex; width: 142px; height: 142px; flex-direction: column; align-items: center; justify-content: center; border: 12px solid #dce3e6; border-top-color: var(--red); border-right-color: var(--red); border-radius: 50%; }.life-ring strong { font: 700 27px var(--display); }.life-ring small { color: #7e8993; font-size: 10px; text-transform: uppercase; }.life-ring i { position: absolute; inset: -12px; border: 2px dotted var(--red); border-radius: 50%; animation: orbitSpin 12s linear infinite; }.life-viz > span { color: #7e8993; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.compare { background: var(--navy); color: #fff; }.compare .section-kicker { border-color: rgba(255,255,255,.15); color: #a7afb8; }.compare-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: center; margin-top: 50px; }.compare-copy h2 { margin: 0 0 26px; font: 700 clamp(45px, 5vw, 70px)/1.05 var(--display); letter-spacing: -.05em; text-transform: uppercase; }.compare-copy p { max-width: 440px; color: #aeb6be; font-size: 18px; }.compare .text-link { margin-top: 24px; border-color: #48515b; }.compare-bars { padding: 44px; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: rgba(255,255,255,.04); }.bar-row { display: grid; grid-template-columns: 170px 1fr 80px; align-items: center; gap: 15px; margin-bottom: 28px; }.bar-row > span { font-size: 13px; }.bar-row small { color: #8f99a4; font-size: 10px; }.bar { height: 13px; overflow: hidden; border-radius: 99px; background: #2b3540; }.bar i { display: block; width: var(--value); height: 100%; border-radius: inherit; transform-origin: left; animation: barGrow 2.5s ease-out both; }.bar.anti i { background: linear-gradient(90deg, var(--red), #ff766e); }.bar.metal i { background: #68737e; }.compare-bars > p { margin: 14px 0 0; color: #75818c; font-size: 10px; }

.steps { background: #f2f4f5; }.steps-line { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 60px; }.steps-line::before { content:""; position:absolute; left:8%; right:8%; top:57px; height:1px; background:#cfd5d9; }.steps-line article { position: relative; padding: 22px; }.steps-line article > span { color: var(--red); font: 600 11px var(--display); }.steps-line article > i { position: relative; z-index: 2; display: block; width: 16px; height: 16px; margin: 24px 0 30px; border: 4px solid #fff; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 1px var(--red); }.steps-line h3 { margin: 0 0 10px; font: 700 17px var(--display); text-transform: uppercase; }.steps-line p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.request { overflow: hidden; background: #fff; }.request-orbit { position:absolute; right:-260px; bottom:-300px; width:700px; height:700px; border:1px solid rgba(238,65,55,.15); border-radius:50%; box-shadow:0 0 0 90px rgba(238,65,55,.025),0 0 0 180px rgba(238,65,55,.018); }.request-builder { position: relative; z-index: 2; display: grid; grid-template-columns: .46fr .54fr; min-height: 600px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 28px 80px rgba(29,38,48,.1); }.request-form-side { padding: 38px; }.form-progress { display: flex; align-items: center; margin-bottom: 36px; }.form-progress span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid #cfd5da; border-radius: 50%; color: #9aa3ab; font-size: 10px; font-weight: 800; transition: .35s; }.form-progress span.active { border-color: var(--red); background: var(--red); color: #fff; }.form-progress i { flex: 1; height: 1px; background: #dfe3e6; }.lead-form fieldset { display: none; min-width: 0; margin: 0; padding: 0; border: 0; }.lead-form fieldset.active { display: block; animation: formIn .4s ease both; }.lead-form legend { display: block; margin-bottom: 8px; font: 700 22px var(--display); text-transform: uppercase; }.lead-form fieldset > p { margin: 0 0 24px; color: var(--ink-soft); font-size: 14px; }.lead-form label { display: block; margin-bottom: 17px; color: #77818b; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }.lead-form input, .lead-form select, .lead-form textarea { display: block; width: 100%; margin-top: 8px; padding: 14px 15px; border: 1px solid #d8dde1; border-radius: 8px; outline: 0; background: #f8f9f9; color: var(--ink); font-size: 15px; transition: border-color .2s, background .2s; }.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: var(--red); background: #fff; }.lead-form textarea { resize: vertical; }.lead-form .consent { display: flex; align-items: flex-start; gap: 10px; text-transform: none; letter-spacing: 0; line-height: 1.45; }.consent input { flex: 0 0 17px; width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--red); }.form-actions { display: flex; gap: 12px; margin-top: 25px; }.form-actions .button { flex: 1; }.button-back { border: 1px solid var(--line); background: #fff; color: var(--ink); }.button[hidden] { display: none; }.form-hint { margin: 12px 0 0; color: #9aa3ab; font-size: 10px; text-align: center; }.form-summary { display: grid; gap: 10px; margin: 20px 0; }.form-summary > div { padding: 12px 14px; border-radius: 8px; background: #f3f5f6; }.form-summary small { display: block; color: #9aa3ab; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }.form-summary strong { display: block; margin-top: 3px; font-size: 13px; }
.node-builder { display: flex; min-width: 0; flex-direction: column; border-left: 1px solid var(--line); background: #f1f4f5; }.node-builder-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--line); color: #7b8690; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }.node-builder-head span { display:flex; align-items:center; gap:9px; }.node-builder-head i { width:8px; height:8px; border-radius:50%; background:#55c884; box-shadow:0 0 0 5px rgba(85,200,132,.12); }.node-builder-head b { color: var(--red); }.node-stage { position: relative; flex: 1; min-height: 490px; overflow: hidden; }.node-shadow { position:absolute; left:18%; right:11%; bottom:17%; height:28px; border-radius:50%; background:rgba(31,41,52,.15); filter:blur(15px); }.node-part { position: absolute; z-index: 2; opacity: 0; transform: translateY(-28px) scale(.92); transition: opacity .65s, transform .65s cubic-bezier(.2,.8,.2,1); }.node-part.active { opacity: 1; transform: none; }.part-pipe { left: 9%; top: 49%; width: 48%; height: 82px; }.part-pipe > span { display:block; width:100%; height:100%; border-radius:13px 0 0 13px; background:linear-gradient(#f45d53,#c92d27); box-shadow:inset 0 13px 13px rgba(255,255,255,.17),0 18px 30px rgba(238,65,55,.18); }.part-pipe > span::after { content:""; position:absolute; left:13px; top:14px; width:20px; height:54px; border-radius:50%; background:rgba(255,255,255,.08); }.part-coupling { left: 49%; top: 45%; width: 20%; height: 118px; }.part-coupling > span { display:block; width:100%; height:100%; border-radius:14px; background:linear-gradient(#fa6359,#b62520); box-shadow:inset 0 15px 12px rgba(255,255,255,.17),0 18px 30px rgba(238,65,55,.2); }.part-valve { left: 55%; top: 23%; width: 110px; height: 180px; }.valve-body { position:absolute; left:20px; bottom:0; width:70px; height:105px; border-radius:12px; background:linear-gradient(90deg,#b72722,#ef4a40,#a9201c); box-shadow:0 15px 25px rgba(117,32,27,.2); }.valve-body::before { content:""; position:absolute; left:20px; top:-55px; width:30px; height:70px; border-radius:6px; background:#59636c; }.valve-wheel { position:absolute; left:8px; top:5px; width:94px; height:94px; border:10px solid var(--red); border-radius:50%; animation: valveTurn 8s linear infinite; }.valve-wheel::before,.valve-wheel::after { content:""; position:absolute; left:50%; top:50%; width:68px; height:7px; border-radius:5px; background:var(--red); transform:translate(-50%,-50%); }.valve-wheel::after { transform:translate(-50%,-50%) rotate(90deg); }.part-flange { left: 68%; top: 44%; width: 16%; height: 126px; border-radius:13px; background:#7d8791; box-shadow:inset 13px 0 0 #b9c0c6,0 15px 25px rgba(34,43,52,.2); }.part-flange > span { position:absolute; left:100%; top:22px; width:85px; height:82px; border-radius:0 13px 13px 0; background:#26313b; }.part-flange > i { position:absolute; z-index:3; width:10px; height:10px; border-radius:50%; background:#27313a; }.part-flange > i:nth-of-type(1){left:17px;top:14px}.part-flange > i:nth-of-type(2){right:17px;top:14px}.part-flange > i:nth-of-type(3){left:17px;bottom:14px}.part-flange > i:nth-of-type(4){right:17px;bottom:14px}.flow-pulse { position:absolute; z-index:5; left:16%; top:56%; width:9px; height:9px; border-radius:50%; background:var(--blue); box-shadow:0 0 14px var(--blue); opacity:0; }.request-builder[data-form-step="4"] .flow-pulse { opacity:1; animation:nodeFlow 2.3s linear infinite; }.node-callout { position:absolute; z-index:6; padding:8px 10px; border:1px solid rgba(23,32,43,.12); border-radius:7px; background:rgba(255,255,255,.9); color:#6f7983; font-size:9px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; opacity:0; transform:translateY(8px); transition:.4s; }.callout-one { left:13%; top:36%; }.callout-two { left:42%; bottom:23%; }.callout-three { right:8%; top:26%; }.request-builder[data-form-step="1"] .callout-one,.request-builder[data-form-step="2"] .callout-one,.request-builder[data-form-step="2"] .callout-two,.request-builder[data-form-step="3"] .callout-one,.request-builder[data-form-step="3"] .callout-two,.request-builder[data-form-step="4"] .node-callout { opacity:1; transform:none; }.node-parts-list { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }.node-parts-list span { padding:15px 8px; border-right:1px solid var(--line); color:#a0a9b1; font-size:9px; text-align:center; transition:.3s; }.node-parts-list span:last-child { border-right:0; }.node-parts-list span.active { background:#fff; color:var(--red); font-weight:800; }

.callback { padding:0 0 110px; background:#fff; }
.callback-shell { position:relative; display:grid; grid-template-columns:.7fr 1.3fr; gap:60px; align-items:center; overflow:hidden; padding:44px 48px; border:1px solid var(--line); border-radius:22px; background:#f3f5f6; box-shadow:0 20px 60px rgba(25,35,45,.08); }
.callback-shell::after { content:""; position:absolute; right:-90px; top:-160px; width:340px; height:340px; border:55px solid rgba(238,65,55,.07); border-radius:50%; pointer-events:none; }
.callback-copy { position:relative; z-index:2; }.callback-copy > span { color:var(--red); font-size:10px; font-weight:800; letter-spacing:.13em; text-transform:uppercase; }.callback-copy h2 { margin:10px 0 8px; font:700 24px/1.2 var(--display); text-transform:uppercase; }.callback-copy p { margin:0; color:var(--ink-soft); font-size:14px; }
.callback-form { position:relative; z-index:2; display:grid; grid-template-columns:1fr 1fr auto; gap:12px; align-items:end; }.callback-form > label:not(.callback-consent) > span { display:block; margin-bottom:7px; color:#7a858f; font-size:9px; font-weight:800; letter-spacing:.1em; text-transform:uppercase; }
.callback-form input[type="text"], .callback-form input[type="tel"] { width:100%; height:56px; padding:0 15px; border:1px solid #d5dbe0; border-radius:8px; outline:0; background:#fff; color:var(--ink); }.callback-form input:focus { border-color:var(--red); }.callback-form .button { min-height:56px; white-space:nowrap; }
.callback-consent { grid-column:1/-1; display:flex; align-items:center; gap:8px; color:#858f98; font-size:10px; }.callback-consent input { width:16px; height:16px; accent-color:var(--red); }

footer { border-top: 1px solid var(--line); background: var(--navy); color: #fff; }.footer-top { display: grid; grid-template-columns: 1fr 1.2fr .8fr 70px; align-items: center; gap: 30px; padding: 65px 0; }.footer-brand small, .footer-tagline { color: #9ba5ae; }.footer-contact { display:flex; flex-direction:column; }.footer-contact small { margin-bottom:7px; color:var(--red); font-size:10px; letter-spacing:.12em; text-transform:uppercase; }.footer-contact span { font-size:14px; }.footer-up { display:grid; width:54px; height:54px; place-items:center; border:1px solid #424c56; border-radius:50%; font-size:21px; transition:.25s; }.footer-up:hover { border-color:var(--red); background:var(--red); }.footer-bottom { display:flex; justify-content:space-between; padding:20px 0; border-top:1px solid #2b3540; color:#6f7b86; font-size:10px; }.footer-bottom a:hover { color:#fff; }
.toast { position:fixed; z-index:100; left:50%; bottom:30px; padding:13px 20px; border-radius:8px; background:var(--navy); color:#fff; font-weight:700; transform:translate(-50%,120px); transition:transform .3s; }.toast.show { transform:translate(-50%,0); }
.toast.is-error { background:#a7352e; }
.lead-form button:disabled,.callback-form button:disabled { cursor:wait; opacity:.75; }

.reveal { opacity:0; transform:translateY(26px); transition:opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }.reveal.visible { opacity:1; transform:none; }.reveal-delay { transition-delay:.16s; }
@keyframes scan { 0%,100%{top:18%;opacity:.25}50%{top:82%;opacity:1} } @keyframes float { 0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)} } @keyframes marquee { to{transform:translateX(-50%)} } @keyframes flow { to{stroke-dashoffset:-44} } @keyframes drip { 0%,100%{transform:translateY(-4px);opacity:.2}60%{transform:translateY(14px);opacity:1} } @keyframes orbitSpin { to{transform:rotate(360deg)} } @keyframes routeDot { 0%,100%{transform:translate(0,0);opacity:.2}50%{transform:translate(15px,15px);opacity:1} } @keyframes timelineGrow { 0%,100%{transform:scaleX(.2)}55%{transform:scaleX(1)} } @keyframes balance { 0%,100%{transform:rotate(7deg)}50%{transform:rotate(4deg)} } @keyframes barGrow { from{transform:scaleX(0)}to{transform:scaleX(1)} } @keyframes formIn { from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none} } @keyframes valveTurn { to{transform:rotate(360deg)} } @keyframes nodeFlow { 0%{left:16%}100%{left:89%} }

@media (max-width: 1080px) {
  .desktop-nav { display:none; }.menu-button { display:block; position:relative; width:42px; height:42px; border:0; background:none; }.menu-button span { position:absolute; left:8px; right:8px; height:2px; background:var(--ink); transition:.25s; }.menu-button span:first-child{top:15px}.menu-button span:last-child{top:25px}.menu-button.open span:first-child{top:20px;transform:rotate(45deg)}.menu-button.open span:last-child{top:20px;transform:rotate(-45deg)}
  .mobile-menu { position:absolute; top:84px; left:0; right:0; display:flex; flex-direction:column; gap:15px; padding:23px 32px; border-bottom:1px solid var(--line); background:#fff; opacity:0; visibility:hidden; transform:translateY(-8px); transition:.25s; }.mobile-menu.open{opacity:1;visibility:visible;transform:none}
  .hero { min-height:1180px; }.hero-inner { grid-template-columns:1fr; }.hero-copy { padding-top:38px; }.hero-visual { height:500px; margin:30px 0 65px; }.hero-image-wrap { border-radius:80px 20px 20px 20px; }
  .assembly-layout { grid-template-columns:1fr; }.assembly-copy { border-right:0; border-bottom:1px solid var(--line); }.assembly-copy p { min-height:0; }.product-grid { grid-template-columns:1fr 1fr; }.product-card:last-child { grid-column:span 2; }.benefit-grid { grid-template-columns:1fr; }.compare-grid { gap:45px; }.footer-top { grid-template-columns:1fr 1fr; }.footer-up { justify-self:end; }
  .photo-grid { grid-template-columns:1fr; }.photo-card { min-height:520px; }.callback-shell { grid-template-columns:1fr; gap:30px; }
}

@media (max-width: 740px) {
  .container { width:min(100% - 34px,1280px); }.site-header { height:72px; }.mobile-menu{top:72px}.header-cta{display:none}.hero{min-height:1040px}.hero-inner{padding-top:108px}.hero h1{font-size:clamp(39px,11vw,58px)}.hero-copy>p{font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column;gap:13px}.hero-facts{grid-template-columns:1fr 1fr;margin-top:34px}.hero-facts>div:last-child{grid-column:span 2}.hero-visual{height:370px}.anti-badge{width:96px;height:96px;right:5px;border-width:5px}.anti-badge b,.anti-badge strong{font-size:15px}.visual-chip{font-size:9px}.chip-three{display:none}
  .section{padding:84px 0}.split-heading{grid-template-columns:1fr;gap:0}.section h2{font-size:clamp(36px,10vw,52px);margin-bottom:30px}.split-heading>p{margin-bottom:44px;font-size:16px}.assembly-tabs{grid-template-columns:1fr 1fr}.assembly-step{min-height:58px}.assembly-step:last-child{grid-column:span 2}.assembly-copy{padding:30px}.system-canvas{min-height:360px}.canvas-legend{left:14px;right:auto}.product-grid{grid-template-columns:1fr}.product-card:last-child{grid-column:auto}.benefit-card{grid-template-columns:1fr}.benefit-copy{padding:26px}.corrosion-viz,.speed-viz,.weight-viz,.life-viz{min-height:220px}.compare-grid{grid-template-columns:1fr}.compare-bars{padding:26px 18px}.bar-row{grid-template-columns:120px 1fr 60px;gap:8px}.steps-line{grid-template-columns:1fr}.steps-line article{min-width:0;padding:18px 10px}.steps-line::before{display:none}.request-builder{grid-template-columns:1fr}.request-form-side{padding:25px 20px}.node-builder{border-left:0;border-top:1px solid var(--line)}.form-actions{flex-direction:column}.node-stage{min-height:400px}.part-pipe{top:51%;height:62px}.part-coupling{top:47%;height:90px}.part-valve{top:22%;transform-origin:bottom left}.part-flange{top:46%;height:96px}.node-callout{font-size:7px}.footer-top{grid-template-columns:1fr}.footer-up{justify-self:start}.footer-bottom{flex-direction:column;gap:8px}.cursor-glow{display:none}
  .photo-card{min-height:390px}.photo-card figcaption{left:18px;right:18px;bottom:18px}.photo-card figcaption small{display:none}.callback{padding-bottom:80px}.callback-shell{padding:30px 22px}.callback-form{grid-template-columns:1fr}.callback-consent{grid-column:1}.callback-form .button{width:100%}
}

@media (prefers-reduced-motion: reduce) {
  html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.hero-orbit,.scanline,.anti-badge,.hero-marquee>div,.system-water,.droplets,.flow-dot,.timeline i,.balance-arm,.life-ring i,.bar i,.valve-wheel,.flow-pulse{animation:none!important}
}

/* AntiFire design direction: engineered route, cold steel, molded red PP-R. */
:root {
  --ink:#18232d; --ink-soft:#586672; --paper:#f1f4f5; --white:#fbfcfc; --soft:#e5ebee;
  --line:#ccd5da; --red:#ed463b; --red-dark:#b72e29; --blue:#77d5ef; --navy:#111b25;
  --font:'Manrope',Arial,sans-serif; --display:'Barlow Condensed','Arial Narrow',sans-serif;
  --steel:#91a0a9; --amber:#eab96d;
}

html { scroll-behavior:smooth; scroll-padding-top:24px; }
body { background:var(--paper); color:var(--ink); font-size:16px; }
body::before { opacity:.012; }
.container { width:min(1320px,calc(100% - 80px)); }
.cursor-glow { display:none; }
:focus-visible { outline:3px solid var(--blue); outline-offset:4px; }

/* The header sits inside the dark opening image instead of floating above the page. */
.site-header { position:absolute; height:88px; border-bottom-color:rgba(255,255,255,.16); }
.brand b,.desktop-nav,.header-cta { color:#f7fafb; }
.brand small { color:#a6b1ba; }
.brand-mark i { box-shadow:0 0 16px rgba(237,70,59,.22); }
.desktop-nav { gap:34px; font-size:13px; }
.desktop-nav a { color:#d0d8dd; }
.desktop-nav a:hover,.desktop-nav a:focus-visible { color:#fff; }
.header-cta { padding:10px 0; border-bottom-color:var(--red); font-size:13px; }
.header-cta span { color:#ff736a; }
.menu-button span { background:#fff; }
.mobile-menu { z-index:30; border-color:rgba(255,255,255,.14); background:#17232e; color:#f7fafb; }

/* Hero: a real system photograph framed by an animated technical route. */
.hero { min-height:820px; color:#f8fafb; background:linear-gradient(112deg,#111a23 0%,#17232d 56%,#1b2832 100%); }
.hero::before { content:""; position:absolute; inset:0; opacity:.15; pointer-events:none; background-image:linear-gradient(rgba(193,211,222,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(193,211,222,.16) 1px,transparent 1px); background-size:72px 72px; mask-image:linear-gradient(90deg,#000,transparent 58%); }
.hero::after { right:-12%; top:-24%; width:70vw; height:70vw; opacity:.24; background:radial-gradient(circle,rgba(70,120,143,.28),transparent 68%); }
.hero-inner { z-index:2; grid-template-columns:.92fr 1.08fr; min-height:790px; padding-top:108px; padding-bottom:70px; }
.hero-copy { padding:0 12px 18px 0; }
.eyebrow,.section-kicker { gap:13px; color:#a6b1bb; font-size:11px; font-weight:700; letter-spacing:.07em; text-transform:none; }
.eyebrow > span { width:23px; height:2px; background:var(--red); box-shadow:0 0 12px rgba(237,70,59,.7); }
.hero h1,.section h2 { font-family:var(--display); font-weight:700; letter-spacing:-.025em; text-transform:none; }
.hero h1 { max-width:680px; margin:30px 0 25px; font-size:clamp(66px,7.1vw,104px); line-height:.88; }
.hero h1 em { color:#fff; font-style:normal; }
.hero-copy > p { max-width:570px; margin:0; color:#bac4cb; font-size:16px; line-height:1.75; }
.hero-actions { gap:25px; margin-top:34px; }
.button { min-height:56px; gap:18px; border-radius:4px; padding:0 22px; font-size:13px; transition:transform .24s ease,background .24s ease,box-shadow .24s ease; }
.button-primary { background:var(--red); box-shadow:0 10px 28px rgba(237,70,59,.22),inset 0 1px rgba(255,255,255,.16); }
.button-primary:hover { transform:translateY(-2px); background:#ff584d; box-shadow:0 16px 34px rgba(237,70,59,.32); }
.hero .text-link { border-color:rgba(255,255,255,.24); color:#e1e7eb; font-size:13px; }
.hero .text-link span { color:var(--blue); }
.hero-facts { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; margin-top:45px; border-top:1px solid rgba(255,255,255,.16); }
.hero-facts > div { min-height:82px; padding:16px 12px 10px 0; border:0; border-right:1px solid rgba(255,255,255,.16); background:none; backdrop-filter:none; }
.hero-facts > div + div { padding-left:16px; }
.hero-facts > div:last-child { border-right:0; }
.hero-facts strong { color:#fff; font:700 29px/.95 var(--display); letter-spacing:-.01em; }
.hero-facts span { margin-top:9px; color:#9caab4; font-size:10px; line-height:1.4; letter-spacing:.02em; text-transform:none; }
.hero-visual { height:600px; margin:0 -22px 0 4px; perspective:1100px; }
.hero-image-wrap { inset:4px 20px 14px 0; overflow:hidden; border:1px solid rgba(190,215,227,.24); border-radius:3px 82px 3px 3px; background:#0d151d; box-shadow:0 35px 80px rgba(0,0,0,.34),0 0 0 9px rgba(255,255,255,.025); transform:rotateY(-4deg); transform-origin:left center; }
.hero-image-wrap img { object-position:61% center; transform:scale(1.03); animation:heroSettle 1.2s cubic-bezier(.2,.8,.2,1) both; }
.image-vignette { position:absolute; inset:0; z-index:1; pointer-events:none; background:linear-gradient(90deg,rgba(10,17,24,.48),transparent 56%),linear-gradient(0deg,rgba(10,17,24,.47),transparent 40%); }
.hero-flow { position:absolute; z-index:3; right:9%; top:17%; width:60%; height:35%; color:#c9f4ff; }
.hero-flow > span { position:absolute; right:0; top:-20px; color:#d8eef3; font-size:9px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; }
.hero-flow svg { width:100%; height:100%; overflow:visible; filter:drop-shadow(0 0 10px rgba(119,213,239,.7)); }
.hero-flow path { fill:none; stroke:#8ce4f8; stroke-width:2; stroke-dasharray:4 10; stroke-linecap:round; animation:waterTrace 2.2s linear infinite; }
.hero-flow circle { fill:#9be8f8; stroke:#18313c; stroke-width:5; }
.image-index { position:absolute; z-index:4; left:24px; bottom:23px; display:flex; align-items:center; gap:12px; color:#eef3f5; font-size:9px; font-weight:700; letter-spacing:.11em; }
.image-index span:first-child { color:#ff736a; }.image-index i { width:36px; height:1px; background:rgba(255,255,255,.5); }
.visual-chip { z-index:5; gap:10px; padding:10px 13px; border:1px solid rgba(255,255,255,.25); border-radius:3px; background:rgba(18,28,38,.82); box-shadow:0 10px 28px rgba(0,0,0,.22); backdrop-filter:blur(12px); color:#f5f7f8; font-size:10px; }
.visual-chip i { background:var(--red); box-shadow:0 0 0 4px rgba(237,70,59,.18); }
.visual-chip small { margin-bottom:3px; color:#a4b0b9; font-size:8px; letter-spacing:.04em; text-transform:none; }
.chip-one { right:4%; top:16%; }.chip-two { left:-1%; bottom:20%; }.chip-three { right:3%; bottom:33%; }
.anti-badge { width:108px; height:108px; right:12px; bottom:0; border:1px solid rgba(255,255,255,.6); background:var(--red); box-shadow:0 18px 40px rgba(0,0,0,.35); animation:none; }
.anti-badge b,.anti-badge strong { font:700 22px/.9 var(--display); }.anti-badge strong { color:#27343e; }
.hero-marquee { z-index:4; height:42px; border-top:1px solid rgba(255,255,255,.14); background:rgba(7,13,19,.42); color:#b9c5cc; font:600 10px var(--font); letter-spacing:.16em; }
.hero-marquee > div { gap:34px; animation-duration:44s; }.hero-marquee i { color:var(--red); font-style:normal; }

/* Section rhythm: precise dividers, generous white space, no stack of identical cards. */
.section { padding:116px 0; }
.section-kicker { padding-top:14px; border-top-color:#bbc6cc; color:#66747e; }
.section-kicker span { display:inline-flex; width:26px; height:26px; align-items:center; justify-content:center; border:1px solid #c5cfd4; border-radius:50%; color:var(--red); font:700 11px var(--font); }
.split-heading { grid-template-columns:1.05fr .75fr; gap:64px; align-items:end; }
.section h2 { margin:28px 0 48px; font-size:clamp(52px,6.3vw,88px); line-height:.9; letter-spacing:-.025em; }
.section h2 em,.compare-copy h2 em { color:inherit; font-style:normal; }
.split-heading > p { max-width:470px; margin:0 0 50px; color:#63727c; font-size:15px; line-height:1.8; }
.system { overflow:hidden; background:linear-gradient(180deg,#f6f8f8 0%,#e9eef0 100%); }
.assembly-lab { border:1px solid #b9c5cb; border-radius:8px; background:#17232e; box-shadow:0 26px 70px rgba(19,32,43,.2),0 4px 0 rgba(255,255,255,.8); }
.assembly-tabs { border-color:rgba(220,232,239,.13); background:#17232e; }
.assembly-step { min-height:70px; border-color:rgba(220,232,239,.12); color:#92a0aa; font-size:12px; transition:color .22s,background .22s; }
.assembly-step:hover { background:#202f3a; color:#fff; }
.assembly-step.active { background:#273744; color:#fff; box-shadow:inset 0 -2px var(--red); }
.assembly-step span { color:#75838e; }.assembly-step.active span { color:#ff877e; }
.assembly-layout { grid-template-columns:.34fr .66fr; min-height:490px; }
.assembly-copy { padding:46px 40px; border-color:rgba(220,232,239,.12); background:linear-gradient(145deg,#202f3a,#17232e); color:#fff; }
.assembly-status { color:#a7b5bd; font-size:10px; letter-spacing:.05em; text-transform:none; }
.assembly-status i { background:#8be2f5; box-shadow:0 0 0 5px rgba(119,213,239,.13),0 0 15px #5bc3e0; }
.assembly-copy h3 { margin:21px 0 12px; font:700 36px/.95 var(--display); letter-spacing:-.015em; text-transform:none; }
.assembly-copy p { color:#bfccd2; font-size:14px; line-height:1.7; }
.assembly-copy > small { color:#82929c; font-size:10px; line-height:1.5; }
.assembly-progress { background:#354651; }.assembly-progress span { background:linear-gradient(90deg,var(--red),#ff796d); box-shadow:0 0 15px rgba(237,70,59,.42); }
.system-canvas { background:#edf2f4; }
.canvas-grid,.node-grid { opacity:.72; background-image:linear-gradient(rgba(34,58,73,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(34,58,73,.07) 1px,transparent 1px); background-size:30px 30px; }
.system-pipe { stroke:#df4138; stroke-width:25; filter:drop-shadow(0 7px 5px rgba(104,37,32,.18)); }
.system-water { stroke:#8bdff4; stroke-width:3.5; stroke-dasharray:5 16; filter:drop-shadow(0 0 4px #69cde8); }
.connector,.valve-ring { fill:#eaf3f5; stroke:#ad2b26; stroke-width:7; filter:drop-shadow(0 4px 2px rgba(32,48,58,.18)); }
.source-box { fill:#263743; }.svg-label { fill:#f6f9fa; }.svg-note { fill:#53636e; font:700 11px var(--font); letter-spacing:.04em; }
.canvas-legend { border:1px solid #d1dcdf; border-radius:3px; background:rgba(251,253,253,.93); color:#596871; box-shadow:0 7px 18px rgba(25,43,55,.1); }

/* Components are staged like parts on an assembly bench. */
.products { background:#15212b; color:#f5f7f8; }
.products .section-kicker { border-color:rgba(219,232,239,.2); color:#aab7bf; }
.products .section-kicker span { border-color:rgba(219,232,239,.28); }
.products .split-heading > p { color:#adbbc3; }
.product-grid { grid-template-columns:1fr 1.08fr 1fr; gap:14px; align-items:stretch; }
.product-card { position:relative; display:flex; min-height:455px; flex-direction:column; padding:24px; border:1px solid rgba(221,232,238,.14); border-radius:5px; background:linear-gradient(150deg,#263641 0%,#1b2934 58%,#17232d 100%); box-shadow:0 14px 36px rgba(0,0,0,.16),inset 0 1px rgba(255,255,255,.04); transition:transform .32s ease,border-color .32s,box-shadow .32s; }
.product-card:hover { transform:translateY(-7px); border-color:rgba(237,70,59,.65); box-shadow:0 24px 48px rgba(0,0,0,.3),inset 0 1px rgba(255,255,255,.06); }
.product-card:nth-child(2) { transform:translateY(-14px); }.product-card:nth-child(2):hover { transform:translateY(-21px); }
.card-top { color:#b0bdc4; font-size:10px; letter-spacing:.06em; text-transform:none; }
.card-top span { color:#ff7b72; font:700 14px var(--display); }
.product-viz { flex:0 0 200px; height:200px; margin:24px -10px 22px; border:1px solid rgba(216,230,238,.12); border-radius:3px; background-color:#192732; background-image:linear-gradient(rgba(219,232,239,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(219,232,239,.055) 1px,transparent 1px); background-size:24px 24px; }
.product-card h3 { margin:0 0 9px; color:#f6f8f9; font:700 31px/.95 var(--display); letter-spacing:-.01em; text-transform:none; }
.product-card p { min-height:72px; margin:0 0 18px; color:#aebbc3; font-size:13px; line-height:1.65; }
.spec-row { gap:7px; margin-top:auto; }.spec-row span { padding:7px 9px; border:1px solid rgba(220,232,239,.14); border-radius:2px; background:rgba(255,255,255,.04); color:#c3cdd3; font-size:9px; }
.pipe-viz .tube { top:76px; width:34%; height:42px; border-radius:5px; background:linear-gradient(180deg,#ff655b 0%,#e74339 28%,#ac2924 100%); box-shadow:inset 0 2px 0 rgba(255,255,255,.36),inset 0 -5px 6px rgba(79,14,12,.28),0 17px 18px rgba(0,0,0,.4); }
.tube-a { left:4%; }.tube-b { right:4%; }
.coupling { top:65px; width:25%; height:64px; border-radius:5px; background:linear-gradient(180deg,#ff7066 0%,#e63e35 25%,#a92722 100%); box-shadow:inset 0 3px 0 rgba(255,255,255,.35),inset 0 -7px 8px rgba(76,16,14,.28),0 20px 22px rgba(0,0,0,.4); }
.guide { border-color:rgba(139,223,244,.48); }.product-card:hover .tube-a { transform:translateX(7px); }.product-card:hover .tube-b { transform:translateX(-7px); }
.elbow-shape { border-width:30px; border-color:#f0473c; border-left-color:transparent; border-bottom-color:transparent; filter:drop-shadow(6px 13px 10px rgba(0,0,0,.42)); }
.flow-dot { background:#9cecff; box-shadow:0 0 14px #77d5ef; }
.red-part { background:linear-gradient(180deg,#ff7066,#bf3029); box-shadow:inset 0 3px rgba(255,255,255,.25),0 10px 18px rgba(0,0,0,.35); }
.flange-part { background:linear-gradient(90deg,#657580,#c1cbd0 42%,#707e87); box-shadow:inset 5px 0 0 #d2dadd,0 10px 18px rgba(0,0,0,.35); }
.device-part { background:linear-gradient(180deg,#3c4e5a,#18242d); box-shadow:inset 0 3px rgba(255,255,255,.08),0 10px 18px rgba(0,0,0,.35); }

/* Installation photography carries the scale; captions read as drawing annotations. */
.gallery { background:#f8f9f9; }
.photo-grid { grid-template-columns:1.3fr .7fr; gap:12px; }
.photo-card { min-height:535px; border-radius:4px 52px 4px 4px; box-shadow:0 20px 45px rgba(22,39,50,.16); }
.photo-card img { transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .5s; filter:saturate(.9) contrast(1.02); }
.photo-card:hover img { transform:scale(1.035); filter:saturate(1.08) contrast(1.06); }
.photo-card::after { inset:40% 0 0; background:linear-gradient(transparent,rgba(10,19,27,.88)); }
.photo-card figcaption { left:24px; right:24px; bottom:22px; gap:13px; }
.photo-card figcaption > span { border-radius:2px; border-color:rgba(255,255,255,.65); font:700 12px var(--display); }
.photo-card figcaption strong { font:700 26px/.95 var(--display); letter-spacing:.005em; text-transform:none; }
.photo-card figcaption small { margin-top:7px; font-size:11px; }
.photo-marker { gap:8px; border-radius:2px; background:rgba(18,29,38,.84); color:#f4f7f8; font-size:9px; font-weight:700; letter-spacing:.04em; text-transform:none; }
.photo-marker i { width:7px; height:7px; background:var(--blue); box-shadow:0 0 0 4px rgba(119,213,239,.15),0 0 12px rgba(119,213,239,.5); }
.marker-main { top:18px; right:18px; }.marker-detail { top:18px; left:18px; }
.gallery-note { color:#78868f; font-size:11px; }

/* Benefits have distinct diagrams, not four matching text cards. */
.advantages { background:linear-gradient(135deg,#e7ecee,#f5f7f7 55%,#e8edef); }
.benefit-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:13px; }
.benefit-card { grid-template-columns:.88fr 1.12fr; min-height:290px; border:1px solid #c5d0d5; border-radius:4px; background:linear-gradient(140deg,#fbfcfc,#edf1f2); box-shadow:0 8px 22px rgba(24,39,49,.06); }
.benefit-card:nth-child(2),.benefit-card:nth-child(3) { background:linear-gradient(140deg,#f4f7f8,#e6ecef); }
.benefit-copy { padding:27px; }
.benefit-copy > span { color:var(--red); font:700 15px var(--display); }
.benefit-copy h3 { margin:13px 0 10px; font:700 28px/.98 var(--display); letter-spacing:.005em; text-transform:none; }
.benefit-copy p { color:#5c6a74; font-size:12px; line-height:1.65; }
.corrosion-viz,.speed-viz,.weight-viz,.life-viz { min-height:250px; background-color:#e2e9ec; background-image:linear-gradient(rgba(31,53,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,53,66,.06) 1px,transparent 1px); background-size:22px 22px; }
.cross-section { width:94px; height:94px; filter:drop-shadow(0 12px 13px rgba(30,45,54,.2)); transition:transform .35s ease; }.benefit-card:hover .cross-section { transform:scale(1.07); }
.cross-section.steel { background:conic-gradient(#78848b,#b86440,#6d7780,#984e32,#90999e); }.cross-section.steel span { box-shadow:inset 0 0 0 8px #8e5d46; }
.cross-section.polymer { background:radial-gradient(circle at 35% 28%,#ff7167,#e43f36 55%,#a82a25); box-shadow:inset 0 2px rgba(255,255,255,.28),0 12px 25px rgba(125,34,30,.2); }
.cross-arrow { color:#52636d; font-size:20px; }
.speed-viz { padding:35px 22px; gap:28px; }.speed-viz > div { grid-template-columns:62px 1fr 56px; gap:7px; color:#475660; }.speed-viz small,.speed-viz b { font-size:9px; }
.timeline { height:8px; background:#c7d2d7; }.timeline.fast i { background:linear-gradient(90deg,#f04b40,#ff877b); }.timeline.slow i { background:linear-gradient(90deg,#687982,#a1adb3); }
.balance > i,.balance > i::after { background:#283945; }.balance-arm { background:linear-gradient(180deg,#394c57,#192832); box-shadow:0 5px 9px rgba(28,43,52,.22); }
.load { border-radius:3px; box-shadow:0 10px 15px rgba(29,45,54,.22); }.load.pp { background:linear-gradient(145deg,#ff6358,#be3029); }.load.metal { background:linear-gradient(145deg,#7d8990,#475660); }
.life-ring { border-color:#c4d0d4; border-top-color:var(--red); border-right-color:var(--red); box-shadow:0 10px 20px rgba(28,43,53,.09); }.life-ring strong { font:700 38px var(--display); }.life-ring small,.life-viz>span { color:#596973; text-transform:none; }.life-ring i { border:1px dashed rgba(237,70,59,.78); }

/* Dark comparison band anchors the second half of the story. */
.compare { position:relative; background:linear-gradient(120deg,#101a23,#1b2a35 65%,#192731); }
.compare::before { content:""; position:absolute; inset:0; opacity:.13; pointer-events:none; background-image:linear-gradient(rgba(196,218,230,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(196,218,230,.15) 1px,transparent 1px); background-size:54px 54px; mask-image:linear-gradient(90deg,transparent,#000); }
.compare .container { position:relative; }.compare .section-kicker { border-color:rgba(255,255,255,.2); color:#bdc8ce; }
.compare .section-kicker span { border-color:rgba(255,255,255,.26); }
.compare-grid { grid-template-columns:.8fr 1.2fr; gap:70px; margin-top:44px; }
.compare-copy h2 { font:700 clamp(56px,7vw,92px)/.88 var(--display); letter-spacing:-.02em; text-transform:none; }
.compare-copy h2 em { color:#fff; }.compare-copy p { color:#bac6cd; font-size:15px; line-height:1.75; }
.compare .text-link { border-color:rgba(255,255,255,.28); color:#f3f6f7; }.compare .text-link span { color:var(--blue); }
.compare-bars { padding:34px 38px 26px; border:1px solid rgba(225,236,242,.18); border-radius:4px; background:rgba(233,242,246,.055); box-shadow:0 20px 55px rgba(0,0,0,.18),inset 0 1px rgba(255,255,255,.06); backdrop-filter:blur(8px); }
.bar-row { grid-template-columns:170px minmax(80px,1fr) 75px; gap:12px; margin-bottom:24px; }.bar-row>span { color:#e0e7eb; font-size:12px; }.bar-row small { color:#aab7bf; }
.bar { height:7px; background:#34434e; }.bar.anti i { background:linear-gradient(90deg,#d93830,#ff776d); box-shadow:0 0 13px rgba(237,70,59,.36); }.bar.metal i { background:#82919a; }
.compare-bars>p { color:#9eacb5; font-size:10px; line-height:1.5; }

/* The delivery process is a real sequence, shown as one continuous route. */
.steps { background:#f5f7f7; }
.steps .container::after { content:""; display:block; clear:both; }
.steps-line { gap:0; margin-top:48px; }
.steps-line::before { left:5%; right:5%; top:30px; height:2px; background:linear-gradient(90deg,#d84a41,#ed7167 76%,#bdc9ce 76%); }
.steps-line article { min-width:0; padding:16px 24px 20px 0; }
.steps-line article>span { display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border:1px solid #aebbc1; border-radius:50%; background:#f5f7f7; color:#b72e29; font:700 13px var(--display); }
.steps-line article>i { width:12px; height:12px; margin:17px 0 21px; border:2px solid #f5f7f7; background:var(--red); box-shadow:0 0 0 1px #c53a32,0 0 0 6px rgba(237,70,59,.09); }
.steps-line h3 { font:700 27px/.95 var(--display); text-transform:none; }.steps-line p { max-width:240px; color:#64727c; font-size:12px; line-height:1.7; }

/* Keep the request builder tactile and clear, with the assembled node as the payoff. */
.request { background:linear-gradient(180deg,#e7edef,#f7f9f9); }
.request-builder { border:1px solid #bac7cd; border-radius:5px; background:#f9fbfb; box-shadow:0 24px 58px rgba(22,39,49,.16),0 5px 0 rgba(255,255,255,.8); }
.request-form-side { padding:36px; }.form-progress span { border-color:#b9c6cb; border-radius:3px; }.form-progress span.active { border-color:var(--red); background:var(--red); }
.lead-form legend { font:700 33px/.95 var(--display); letter-spacing:.01em; text-transform:none; }
.lead-form label { color:#61717b; font-size:10px; letter-spacing:.03em; text-transform:none; }
.lead-form input,.lead-form select,.lead-form textarea { border-color:#c6d1d6; border-radius:3px; background:#f0f4f5; }
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus { border-color:#d8473e; box-shadow:0 0 0 3px rgba(237,70,59,.1); }
.node-builder { border-color:#becbd0; background:#dfe7ea; }.node-builder-head { border-color:#c6d2d7; color:#576771; }.node-builder-head b { color:#c3342c; }
.node-stage { background-image:linear-gradient(rgba(34,58,73,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(34,58,73,.055) 1px,transparent 1px); background-size:24px 24px; }
.node-shadow { background:rgba(28,44,55,.22); }.part-pipe>span,.part-coupling>span { box-shadow:inset 0 3px 0 rgba(255,255,255,.38),inset 0 -8px 8px rgba(75,15,13,.28),0 18px 24px rgba(30,43,50,.26); }
.node-parts-list { border-color:#c6d2d7; }.node-parts-list span { color:#75848d; }.node-parts-list span.active { background:#f9fbfb; color:#c23830; }
.node-callout { border-radius:2px; background:rgba(249,252,252,.94); color:#50616b; }
.callback { padding:0 0 105px; background:#f7f9f9; }
.callback-shell { border:1px solid #bdc9ce; border-radius:4px; background:linear-gradient(112deg,#e8eef0,#f7f9f9); box-shadow:0 16px 38px rgba(29,46,56,.1); }
.callback-shell::after { border-color:rgba(237,70,59,.08); }
.callback-copy h2 { font:700 39px/.96 var(--display); text-transform:none; }.callback-copy > span { font-size:11px; letter-spacing:.05em; text-transform:none; }
.callback-copy p { color:#596a74; line-height:1.65; }
.callback-form>label:not(.callback-consent)>span { color:#60717b; font-size:10px; letter-spacing:.03em; text-transform:none; }
.callback-form input[type="text"],.callback-form input[type="tel"] { border-color:#c7d1d5; border-radius:3px; background:#f9fbfb; }
.callback-form input:focus { border-color:#d8473e; box-shadow:0 0 0 3px rgba(237,70,59,.1); }
.callback-consent { color:#697983; }.callback-consent input { width:18px; height:18px; }
footer { border-top:1px solid rgba(228,238,243,.12); background:#111b25; }
.footer-top { padding:58px 0; }.footer-brand small,.footer-tagline { color:#a5b2ba; }.footer-contact small { font-size:10px; letter-spacing:.04em; text-transform:none; }.footer-up { border-radius:3px; }
.footer-bottom { color:#8d9ba4; }.footer-bottom a { color:#c7d1d6; }
.toast { border:1px solid rgba(255,255,255,.14); border-radius:3px; box-shadow:0 12px 30px rgba(0,0,0,.28); }

/* Motion is localized: one hero entrance, water trace, and user-controlled assembly. */
.reveal,.reveal.visible { opacity:1; transform:none; transition:none; }
.hero-copy { animation:heroCopyIn .72s cubic-bezier(.2,.8,.2,1) both; }
.hero-visual { animation:heroVisualIn .95s cubic-bezier(.2,.8,.2,1) .08s both; }
.hero-visual .visual-chip { animation:chipIn .55s cubic-bezier(.2,.8,.2,1) .35s both; }
.assembly-group { transition:opacity .48s ease,transform .48s cubic-bezier(.2,.8,.2,1); }
.assembly-group.assembled { transform:translateY(-2px); }
.photo-card figcaption,.photo-marker { transition:transform .25s ease,color .25s,background .25s; }
.photo-card:hover figcaption { transform:translateY(-3px); }
.form-actions .button { min-height:52px; }
@keyframes heroCopyIn { from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none} }
@keyframes heroVisualIn { from{opacity:0;transform:translateX(22px) rotateY(-7deg)}to{opacity:1;transform:none} }
@keyframes chipIn { from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none} }
@keyframes heroSettle { from{transform:scale(1.08)}to{transform:scale(1.03)} }
@keyframes waterTrace { to{stroke-dashoffset:-56} }

@media (max-width:1080px) {
  .container { width:min(100% - 56px,1320px); }
  .hero { min-height:1120px; }.hero-inner { grid-template-columns:1fr; min-height:1080px; padding-top:112px; }
  .hero-copy { max-width:800px; padding-top:18px; }.hero h1 { font-size:clamp(72px,10vw,110px); }
  .hero-visual { width:min(860px,100%); height:500px; margin:24px 0 55px auto; }
  .assembly-layout { grid-template-columns:1fr; }.assembly-copy { border-right:0; border-bottom:1px solid rgba(220,232,239,.12); }
  .product-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }.product-card:nth-child(2) { transform:none; }.product-card:nth-child(2):hover { transform:translateY(-7px); }.product-card:last-child { grid-column:1/-1; }
  .photo-grid { grid-template-columns:1fr 1fr; }.photo-card { min-height:470px; }
  .compare-grid { gap:42px; }.footer-top { grid-template-columns:1fr 1fr; }
}
@media (max-width:740px) {
  .container { width:min(100% - 36px,1320px); }
  .site-header { height:72px; }.mobile-menu { top:72px; left:18px; right:18px; padding:20px; box-shadow:0 18px 35px rgba(0,0,0,.24); }
  .hero { min-height:1060px; }.hero-inner { min-height:1020px; padding-top:100px; padding-bottom:65px; }
  .eyebrow { font-size:10px; }.hero h1 { margin:24px 0 19px; font-size:clamp(58px,15vw,82px); line-height:.88; }
  .hero-copy>p { font-size:14px; line-height:1.7; }.hero-actions { align-items:flex-start; flex-direction:column; gap:13px; margin-top:24px; }
  .hero-facts { margin-top:29px; }.hero-facts>div { min-height:72px; padding:13px 8px 8px 0; }.hero-facts>div+div { padding-left:10px; }
  .hero-facts strong { font-size:23px; }.hero-facts span { font-size:8px; }.hero-visual { height:340px; margin:22px 0 54px; }
  .hero-image-wrap { inset:0 4px 5px 0; border-radius:3px 48px 3px 3px; transform:none; }.hero-image-wrap img { object-position:65% center; }
  .visual-chip { padding:8px 9px; font-size:8px; }.visual-chip small { font-size:7px; }.chip-one { top:8%; right:0; }.chip-two { left:0; bottom:12%; }.chip-three { display:none; }
  .anti-badge { width:76px; height:76px; right:-2px; bottom:-13px; border-width:1px; }.anti-badge b,.anti-badge strong { font-size:16px; }
  .hero-flow { top:19%; right:8%; width:62%; height:30%; }.hero-flow>span { font-size:7px; }.image-index { left:12px; bottom:12px; gap:7px; font-size:7px; }
  .hero-marquee { height:36px; font-size:8px; }.hero-marquee>div { gap:22px; }
  .section { padding:82px 0; }.section-kicker { font-size:10px; }.split-heading { grid-template-columns:1fr; gap:0; }.section h2 { margin:26px 0 20px; font-size:clamp(49px,13vw,68px); line-height:.9; }.split-heading>p { margin:0 0 30px; font-size:14px; }
  .assembly-tabs { grid-template-columns:1fr 1fr; }.assembly-step { min-height:56px; justify-content:flex-start; padding:0 13px; font-size:10px; }.assembly-step:last-child { grid-column:span 2; }
  .assembly-copy { padding:26px 23px; }.assembly-copy h3 { font-size:32px; }.system-canvas { min-height:340px; }.system-canvas svg { min-width:580px; margin-left:50%; transform:translateX(-50%); }.canvas-legend { left:10px; right:auto; bottom:10px; gap:9px; font-size:8px; }
  .product-grid { grid-template-columns:1fr; gap:12px; }.product-card,.product-card:last-child { grid-column:auto; min-height:0; padding:20px; }.product-viz { flex-basis:170px; height:170px; margin-top:17px; }.product-card h3 { font-size:29px; }.product-card p { min-height:0; }
  .photo-grid { grid-template-columns:1fr; gap:12px; }.photo-card { min-height:410px; }.photo-card figcaption { left:16px; right:16px; bottom:17px; }.photo-card figcaption strong { font-size:23px; }.photo-card figcaption small { font-size:10px; }.photo-marker { max-width:calc(100% - 32px); padding:8px; font-size:8px; }.marker-main { right:12px; top:12px; }.marker-detail { left:12px; top:12px; }
  .benefit-grid { grid-template-columns:1fr; }.benefit-card { grid-template-columns:1fr; }.benefit-copy { padding:23px 22px 14px; }.benefit-copy h3 { font-size:30px; }.corrosion-viz,.speed-viz,.weight-viz,.life-viz { min-height:210px; }.speed-viz { padding:30px 20px; }
  .compare-grid { grid-template-columns:1fr; gap:24px; margin-top:28px; }.compare-bars { padding:25px 16px 20px; }.bar-row { grid-template-columns:110px minmax(55px,1fr) 62px; gap:7px; }.bar-row>span { font-size:10px; }.bar-row small { font-size:8px; }
  .steps-line { grid-template-columns:1fr 1fr; row-gap:10px; }.steps-line::before { display:none; }.steps-line article { padding:12px 10px 18px 0; }.steps-line h3 { font-size:25px; }.steps-line p { font-size:11px; }
  .request-builder { grid-template-columns:1fr; }.request-form-side { padding:26px 20px; }.node-builder { border-top:1px solid #becbd0; border-left:0; }.node-stage { min-height:350px; }.part-pipe { top:51%; height:62px; }.part-coupling { top:47%; height:90px; }.part-valve { top:22%; transform-origin:bottom left; }.part-flange { top:46%; height:96px; }.node-callout { font-size:7px; }.form-actions { flex-direction:column; }
  .callback { padding-bottom:76px; }.callback-shell { grid-template-columns:1fr; gap:23px; padding:28px 20px; }.callback-copy h2 { font-size:35px; }.callback-form { grid-template-columns:1fr; }.callback-consent { grid-column:1; }.callback-form .button { width:100%; }
  .footer-top { grid-template-columns:1fr; gap:20px; padding:45px 0; }.footer-up { justify-self:start; }.footer-bottom { flex-direction:column; gap:10px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto!important; animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }
  .hero-copy,.hero-visual,.hero-visual .visual-chip { animation:none!important; }
  .hero-flow path { stroke-dasharray:none; }
}

/* A calmer, more approachable AntiFire story: explain first, then show the parts. */
:root {
  --ink:#283944;
  --ink-soft:#697b86;
  --paper:#f5f8f8;
  --white:#fff;
  --soft:#edf4f5;
  --line:#dce7e9;
  --red:#e44c43;
  --red-dark:#c83f37;
  --blue:#6fc5d8;
  --navy:#304650;
  --display:'Manrope',Arial,sans-serif;
}
body { background:#f5f8f8; color:var(--ink); }
body::before { display:none; }
.cursor-glow { display:none; }
.site-header { position:absolute; height:82px; border-bottom:1px solid rgba(40,57,68,.08); background:rgba(249,251,251,.78); backdrop-filter:blur(14px); }
.brand b { font-family:var(--font); letter-spacing:.08em; }
.site-header .brand b { color:#304650; }
.brand small { color:#74858e; letter-spacing:.1em; }
.desktop-nav { gap:clamp(18px,2.5vw,36px); color:#536771; font-size:13px; }
.desktop-nav a:hover,.footer-bottom a:hover { color:var(--red-dark); }
.header-cta { color:var(--ink); }
.header-cta span { color:var(--red); }
.menu-button span { background:var(--ink); }
.mobile-menu { border:1px solid rgba(40,57,68,.08); border-radius:20px; background:rgba(255,255,255,.97); box-shadow:0 16px 40px rgba(47,70,82,.1); }
.mobile-menu a { color:var(--ink); }
.hero { min-height:0; overflow:hidden; padding:120px 0 86px; color:var(--ink); background:radial-gradient(ellipse at 72% 22%,#e9f6f7 0%,transparent 45%),#f6f9f9; }
.hero::before { opacity:.18; background-image:radial-gradient(rgba(120,159,171,.28) .7px,transparent .7px); background-size:18px 18px; mask-image:linear-gradient(90deg,transparent 4%,#000 70%,transparent); }
.hero::after { right:-16%; top:-40%; width:68vw; height:68vw; opacity:.48; background:radial-gradient(circle,rgba(165,222,229,.42),transparent 67%); }
.hero-inner { grid-template-columns:.94fr 1.06fr; min-height:0; padding:0; align-items:center; gap:44px; }
.hero-copy { padding:10px 0 0; }
.eyebrow { color:#657983; font-size:12px; font-weight:700; letter-spacing:0; }
.eyebrow>span { width:9px; height:9px; border-radius:50%; background:var(--red); box-shadow:0 0 0 5px rgba(228,76,67,.1); }
.hero h1 { max-width:680px; margin:25px 0 20px; color:#2b404a; font-size:clamp(47px,5.4vw,76px); font-weight:800; line-height:1.03; letter-spacing:-.055em; }
.hero h1 em { color:inherit; }
.hero-copy>p { max-width:540px; color:#637780; font-size:16px; line-height:1.75; }
.hero-actions { gap:23px; margin-top:29px; }
.button { min-height:54px; border-radius:16px; padding:0 23px; font-size:14px; font-weight:700; transition:background-color .32s ease,box-shadow .32s ease,transform .32s cubic-bezier(.2,.7,.2,1); }
.button:hover { transform:translateY(-1px); }
.button-primary { background:var(--red); box-shadow:0 8px 20px rgba(206,74,66,.15); }
.button-primary:hover { background:#d9443c; box-shadow:0 10px 24px rgba(206,74,66,.2); }
.hero .text-link { border-color:rgba(54,79,91,.2); color:#536b77; }
.hero .text-link span { color:#57b5cc; }
.hero-facts { gap:10px; margin-top:32px; border:0; }
.hero-facts>div,.hero-facts>div+div { min-height:0; padding:14px 15px; border:1px solid rgba(106,142,153,.14); border-radius:16px; background:rgba(255,255,255,.7); }
.hero-facts strong { color:#304650; font:800 23px/1.1 var(--display); letter-spacing:-.04em; }
.hero-facts span { margin-top:6px; color:#75858d; font-size:10px; line-height:1.4; }
.hero-visual { height:520px; margin:0; perspective:none; }
.hero-image-wrap { inset:0; overflow:hidden; border:1px solid rgba(52,76,87,.09); border-radius:34px; background:#273b46; box-shadow:0 22px 58px rgba(47,70,82,.14); transform:none; }
.hero-image-wrap img { object-position:58% center; transform:scale(1.015); animation:heroSettle .9s ease-out both; }
.image-vignette { background:linear-gradient(0deg,rgba(20,37,47,.68),transparent 38%); }
.hero-flow { top:17%; right:8%; width:54%; height:40%; opacity:.74; }
.hero-flow path { stroke:#9de5ee; stroke-width:2.2; stroke-dasharray:3 11; animation:waterTrace 5s linear infinite; }
.hero-flow circle { fill:#b4f0f1; stroke:#273b46; stroke-width:5; }
.hero-caption { position:absolute; z-index:4; bottom:24px; left:26px; display:flex; align-items:center; gap:13px; color:#fff; }
.caption-drop { display:grid; width:42px; height:42px; place-items:center; border:1px solid rgba(255,255,255,.38); border-radius:50%; background:rgba(255,255,255,.13); color:#b9eff3; font-size:21px; }
.hero-caption strong,.hero-caption small { display:block; }
.hero-caption strong { font-size:14px; }
.hero-caption small { margin-top:3px; color:rgba(255,255,255,.74); font-size:11px; }
.hero-visual .visual-chip,.anti-badge,.image-index,.hero-marquee { display:none; }
.hero-copy,.hero-visual { animation:softIn .65s ease-out both; }
.hero-visual { animation-delay:.08s; }
@keyframes softIn { from{opacity:0} to{opacity:1} }

.section { padding:92px 0; }
.section-kicker { display:flex; align-items:center; gap:11px; padding-top:0; border:0; color:#687e88; font-size:12px; font-weight:700; letter-spacing:0; }
.section-kicker span { display:inline-flex; width:auto; min-width:0; height:auto; padding:6px 10px; border:0; border-radius:999px; background:#e8f2f3; color:#52717b; font:700 11px/1 var(--font); }
.split-heading { grid-template-columns:1.05fr .75fr; gap:48px; align-items:end; }
.section h2 { margin:25px 0 32px; color:#2c404a; font-size:clamp(38px,4.6vw,60px); font-weight:800; line-height:1.06; letter-spacing:-.05em; }
.section h2 em,.compare-copy h2 em { color:#52717b; }
.split-heading>p { max-width:450px; margin:0 0 35px; color:#687c86; font-size:15px; line-height:1.75; }
.system { overflow:hidden; background:#fff; }
.water-route { position:relative; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:20px; padding:35px 32px 31px; border:1px solid #e6eeee; border-radius:28px; background:linear-gradient(135deg,#f2f8f8,#edf6f7); }
.route-line { position:absolute; z-index:0; top:70px; left:12%; right:12%; height:6px; overflow:hidden; border-radius:999px; background:#dcebec; }
.route-line::before { content:""; position:absolute; inset:0; border-radius:inherit; background:linear-gradient(90deg,#f1c7c2,#b9e5ea 70%); }
.route-line span { position:absolute; z-index:1; top:0; left:-20%; width:20%; height:100%; border-radius:inherit; background:linear-gradient(90deg,transparent,#67c9dc,transparent); animation:waterPass 5.6s ease-in-out infinite; }
.route-line i { position:absolute; z-index:1; top:50%; left:50%; width:10px; height:10px; border:3px solid #fff; border-radius:50%; background:#5abed0; box-shadow:0 0 0 3px rgba(90,190,208,.16); transform:translate(-50%,-50%); }
@keyframes waterPass { 0%{left:-20%;opacity:0} 12%{opacity:1} 70%{opacity:1} 100%{left:100%;opacity:0} }
.route-stop { position:relative; z-index:2; padding:0 10px; text-align:center; }
.route-icon { display:grid; width:72px; height:72px; margin:0 auto 18px; place-items:center; border:6px solid #fff; border-radius:50%; background:#def1f3; color:#4e99a9; box-shadow:0 4px 16px rgba(69,122,133,.1); transition:background-color .45s ease,transform .45s cubic-bezier(.2,.7,.2,1); }
.route-stop:hover .route-icon { transform:translateY(-2px); background:#d3edf0; }
.route-icon svg { width:35px; height:35px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.route-stop h3 { margin:0 0 7px; color:#354c57; font-size:16px; line-height:1.3; }
.route-stop p { max-width:220px; margin:0 auto; color:#71848d; font-size:12px; line-height:1.6; }

.products { color:var(--ink); background:#f5f8f8; }
.products .section-kicker { border:0; color:#687e88; }
.products .section-kicker span { background:#e8f2f3; color:#52717b; }
.products .split-heading>p { color:#687c86; }
.catalog-grid { display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:18px; align-items:stretch; }
.catalog-card { overflow:hidden; border:1px solid rgba(67,99,111,.1); border-radius:24px; background:#fff; box-shadow:0 7px 22px rgba(55,83,94,.045); transition:box-shadow .4s ease,border-color .4s ease; }
.catalog-card:hover { border-color:rgba(89,157,171,.25); box-shadow:0 13px 30px rgba(55,83,94,.08); }
.catalog-pipes { grid-column:span 6; display:grid; grid-template-columns:1.04fr .96fr; min-height:310px; }
.catalog-couplings,.catalog-combined { grid-column:span 3; }
.catalog-visual { position:relative; display:flex; min-height:215px; align-items:flex-end; overflow:hidden; background:#e8f0f1; }
.catalog-visual img { width:100%; height:100%; min-height:215px; object-fit:cover; transition:transform .65s cubic-bezier(.2,.7,.2,1); }
.catalog-card:hover .catalog-visual img { transform:scale(1.035); }
.catalog-visual::after { position:absolute; inset:45% 0 0; background:linear-gradient(transparent,rgba(28,49,59,.52)); content:""; pointer-events:none; }
.catalog-visual>span { position:absolute; z-index:1; bottom:17px; left:18px; color:#fff; font-size:11px; font-weight:700; }
.catalog-copy { padding:23px; }
.catalog-copy h3 { margin:0 0 10px; color:#304550; font-size:21px; font-weight:800; letter-spacing:-.035em; line-height:1.2; }
.catalog-copy p { margin:0 0 16px; color:#6c7e87; font-size:13px; line-height:1.65; }
.catalog-pipes .catalog-copy { align-self:center; padding:27px 24px; }
.catalog-tags { display:flex; flex-wrap:wrap; gap:7px; }
.catalog-tags span { padding:7px 10px; border-radius:999px; background:#eef5f6; color:#55717b; font-size:10px; font-weight:700; }
.catalog-couplings .catalog-visual,.catalog-combined .catalog-visual { height:142px; min-height:142px; align-items:center; justify-content:center; }
.catalog-couplings .catalog-visual img { min-height:142px; }
.catalog-copy ul { display:flex; flex-wrap:wrap; gap:6px; margin:0; padding:0; list-style:none; }
.catalog-copy li { padding:6px 9px; border-radius:999px; background:#f1f6f6; color:#607680; font-size:10px; font-weight:600; }
.combined-visual { flex-direction:column; background:#f3eded; }
.combined-visual::after { display:none; }
.combined-visual svg { width:145px; height:100px; overflow:visible; fill:none; stroke:#e2554b; stroke-width:9; stroke-linecap:round; stroke-linejoin:round; }
.combined-visual span { margin:0 0 12px; color:#73848a; font-size:10px; }
.catalog-extra { grid-column:1/-1; background:#edf6f6; }
.catalog-extra .catalog-copy { display:grid; grid-template-columns:1fr 1fr 1.35fr; gap:8px 30px; align-items:center; padding:25px 29px; }
.extra-heading { display:flex; align-items:center; gap:13px; }
.extra-heading>div>small { display:block; margin-bottom:4px; color:#73868d; font-size:10px; }
.extra-heading h3 { margin:0; }
.extra-icon { display:grid; width:50px; height:50px; flex:none; place-items:center; border-radius:17px; background:#dceff0; color:#518c99; }
.extra-icon svg { width:30px; height:30px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.catalog-extra .catalog-copy>p { margin:0; }
.extra-items { display:flex; flex-wrap:wrap; gap:9px; }
.extra-items>span { display:flex; min-height:40px; align-items:center; gap:8px; padding:7px 10px; border:1px solid rgba(75,126,136,.13); border-radius:13px; background:rgba(255,255,255,.75); color:#526d77; font-size:11px; font-weight:700; }
.extra-items svg { width:22px; height:22px; fill:none; stroke:#548e9c; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.catalog-note { grid-column:1/-1; color:#83939a; font-size:10px; }
.catalog-help { display:flex; align-items:center; justify-content:space-between; gap:24px; margin-top:19px; padding:18px 22px; border:1px solid rgba(67,99,111,.08); border-radius:20px; background:#eaf3f4; }
.catalog-help p { max-width:760px; margin:0; color:#5c717b; font-size:13px; line-height:1.65; }
.catalog-help strong { color:#354d57; }
.catalog-help .button { flex:none; }

.gallery { background:#fff; }
.photo-grid { grid-template-columns:1.2fr .8fr; gap:20px; }
.photo-card { min-height:460px; border-radius:28px; box-shadow:0 12px 28px rgba(51,76,87,.1); }
.photo-card img { filter:saturate(.9); transition:transform .7s cubic-bezier(.2,.7,.2,1),filter .7s ease; }
.photo-card:hover img { transform:scale(1.025); filter:saturate(1); }
.photo-card::after { background:linear-gradient(transparent,rgba(22,40,50,.76)); }
.photo-card figcaption { left:25px; right:25px; bottom:23px; gap:12px; }
.photo-card figcaption>span { border-radius:50%; font-family:var(--font); }
.photo-card figcaption strong { font:800 22px/1.2 var(--font); letter-spacing:-.03em; }
.photo-card figcaption small { margin-top:5px; font-size:11px; line-height:1.55; }
.photo-marker { border-radius:999px; background:rgba(255,255,255,.92); color:#3c5864; font-size:10px; }
.photo-marker i { background:#66c2d2; box-shadow:0 0 0 4px rgba(102,194,210,.17); }
.gallery-note { margin-top:18px; color:#82929a; font-size:11px; }

.advantages { background:#f2f7f7; }
.benefit-grid { gap:16px; }
.benefit-card,.benefit-card:nth-child(2),.benefit-card:nth-child(3) { grid-template-columns:.9fr 1.1fr; min-height:260px; border:1px solid rgba(67,99,111,.1); border-radius:24px; background:#fff; box-shadow:0 7px 22px rgba(55,83,94,.045); }
.benefit-copy { padding:26px; }
.benefit-copy>span { display:inline-grid; width:30px; height:30px; place-items:center; border-radius:50%; background:#f9e9e7; color:#c74a42; font:700 11px var(--font); }
.benefit-copy h3 { margin:15px 0 9px; color:#334a55; font:800 21px/1.25 var(--font); letter-spacing:-.035em; }
.benefit-copy p { color:#71828a; font-size:12px; line-height:1.65; }
.corrosion-viz,.speed-viz,.weight-viz,.life-viz { min-height:220px; border-radius:0 23px 23px 0; background:#f0f6f6; background-image:radial-gradient(rgba(113,151,159,.17) .8px,transparent .8px); background-size:18px 18px; }
.corrosion-viz,.weight-viz,.life-viz { padding:20px; }
.speed-viz { padding:30px 20px; gap:21px; }
.speed-viz>div { grid-template-columns:56px 1fr 60px; gap:8px; color:#526a74; }
.speed-viz small,.speed-viz b { font-size:9px; }
.timeline { height:7px; background:#dce7e8; }
.timeline.fast i { background:#e65b52; }.timeline.slow i { background:#aab9bd; }
.balance>i,.balance>i::after { background:#55717b; }
.balance-arm { background:#7896a0; box-shadow:none; }
.load { box-shadow:0 6px 12px rgba(39,67,78,.12); }
.load.pp { background:#e4544b; }.load.metal { background:#95a4a9; }
.life-ring { border-color:#d7e4e5; border-top-color:#e25b53; border-right-color:#e25b53; box-shadow:none; }
.life-ring strong { color:#344b56; font:800 34px var(--font); }
.life-ring small,.life-viz>span { color:#6c7d85; }

.steps { background:#fff; }
.steps-line { margin-top:38px; }
.steps-line::before { background:#dfe9ea; }
.steps-line article>span { border-color:#d4e2e4; background:#f5f9f9; color:#536f79; font:700 12px var(--font); }
.steps-line article>i { border-color:#fff; background:#e35b52; box-shadow:0 0 0 1px #e35b52,0 0 0 5px rgba(227,91,82,.08); }
.steps-line h3 { color:#344b56; font:800 19px/1.25 var(--font); letter-spacing:-.025em; }
.steps-line p { color:#70828a; font-size:12px; }

.request { background:#f1f7f7; }
.request-orbit { opacity:.35; }
.request-builder { overflow:hidden; border:1px solid rgba(67,99,111,.12); border-radius:26px; background:#fff; box-shadow:0 10px 32px rgba(55,83,94,.07); }
.request-form-side { padding:34px; }
.form-progress span { border-color:#d7e4e6; border-radius:50%; background:#f5f8f8; color:#70818a; transition:background-color .45s ease,color .45s ease,border-color .45s ease; }
.form-progress span.active { border-color:#e35b52; background:#e35b52; }
.lead-form legend { color:#334a55; font:800 25px/1.25 var(--font); letter-spacing:-.04em; }
.lead-form label { color:#60757f; font-size:11px; letter-spacing:0; }
.lead-form input,.lead-form select,.lead-form textarea { border-color:#dce7e9; border-radius:13px; background:#f7fafa; transition:border-color .35s ease,box-shadow .35s ease,background .35s ease; }
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus { border-color:#76c6d2; background:#fff; box-shadow:0 0 0 4px rgba(118,198,210,.14); }
.form-actions .button { min-height:50px; border-radius:14px; }
.node-builder { border-color:#e0e9ea; background:#edf4f4; }
.node-builder-head { border-color:#e0e9ea; color:#59717a; }
.node-builder-head b { color:#b94e47; }
.node-stage { background-image:radial-gradient(rgba(113,151,159,.16) .8px,transparent .8px); background-size:18px 18px; }
.node-shadow { background:rgba(75,109,119,.12); filter:blur(17px); }
.part-pipe>span,.part-coupling>span { box-shadow:inset 0 2px 0 rgba(255,255,255,.35),inset 0 -5px 8px rgba(82,24,23,.2),0 12px 20px rgba(36,65,76,.15); }
.part-valve .valve-body { box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 10px 18px rgba(36,65,76,.13); }
.valve-wheel { box-shadow:0 4px 9px rgba(36,65,76,.14); }
.node-parts-list { border-color:#e0e9ea; }
.node-parts-list span { color:#7b8d94; transition:background-color .5s ease,color .5s ease; }
.node-parts-list span.active { background:#fff; color:#b94e47; }
.node-callout { border:1px solid rgba(88,126,136,.1); border-radius:10px; background:rgba(255,255,255,.88); color:#526b75; box-shadow:0 3px 12px rgba(42,76,87,.06); }
.callback { padding-bottom:86px; background:#f1f7f7; }
.callback-shell { gap:32px; border:1px solid rgba(67,99,111,.1); border-radius:24px; background:#fff; box-shadow:0 8px 24px rgba(55,83,94,.05); }
.callback-shell::after { border-color:rgba(111,197,216,.14); }
.callback-copy h2 { color:#334a55; font:800 34px/1.16 var(--font); letter-spacing:-.04em; }
.callback-copy>span { color:#64818a; font-size:12px; letter-spacing:0; }
.callback-copy p { color:#70828a; }
.callback-form>label:not(.callback-consent)>span { color:#60757f; font-size:11px; letter-spacing:0; }
.callback-form input[type="text"],.callback-form input[type="tel"] { border-color:#dce7e9; border-radius:13px; background:#f7fafa; }
.callback-form input:focus { border-color:#76c6d2; box-shadow:0 0 0 4px rgba(118,198,210,.14); }
footer { border:0; background:#304650; }
.footer-top { padding:50px 0; }
.footer-brand small,.footer-tagline { color:#c2d2d5; }
.footer-contact small { color:#a7bec3; font-size:10px; letter-spacing:0; text-transform:none; }
.footer-up { border-radius:50%; transition:background .3s ease,transform .3s ease; }
.footer-up:hover { transform:translateY(-2px); }
.footer-bottom { border-color:rgba(255,255,255,.16); color:#b0c3c7; }
.footer-bottom a { color:#e0ebed; }
.toast { border-radius:14px; }
.assembly-lab,.product-card,.benefit-card,.compare-bars { border-radius:24px; }
.assembly-copy h3,.product-card h3,.steps-line h3,.callback-copy h2 { text-transform:none; }
.product-card,.benefit-card,.photo-card,.visual-chip,.anti-badge { transition-duration:.45s; }
.form-step { transition:opacity .45s ease,transform .45s cubic-bezier(.2,.7,.2,1); }
.node-part { transition:opacity .65s ease,transform .7s cubic-bezier(.2,.7,.2,1); }

/* Color variants and visual-first category cards */
.system-color-picker { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin:0 0 18px; padding:12px 15px; border:1px solid rgba(67,99,111,.1); border-radius:17px; background:#fff; }
.system-color-label { margin-right:4px; color:#536a74; font-size:12px; font-weight:700; }
.system-color-option { display:inline-flex; min-height:42px; align-items:center; gap:8px; padding:0 13px; border:1px solid #dfe9ea; border-radius:12px; background:#f7fafa; color:#536a74; font:700 12px var(--font); cursor:pointer; transition:background .25s ease,border-color .25s ease,color .25s ease,transform .25s ease; }
.system-color-option:hover { transform:translateY(-1px); border-color:#a9c6cb; }
.system-color-option.is-active { border-color:#436571; background:#436571; color:#fff; }
.system-color-option:focus-visible { outline:3px solid rgba(47,137,157,.35); outline-offset:2px; }
.color-swatch { width:12px; height:12px; border:2px solid rgba(255,255,255,.82); border-radius:50%; box-shadow:0 0 0 1px rgba(45,69,77,.18); }
.swatch-red { background:#e33d32; }.swatch-green { background:#008449; }
.system-color-picker>small { margin-left:auto; color:#819199; font-size:11px; }
.catalog-grid { grid-template-columns:1fr 1fr 1fr; gap:16px; }
.catalog-card { display:flex; min-width:0; flex-direction:column; }
.catalog-pipes,.catalog-couplings,.catalog-extra { grid-column:auto; min-height:0; }
.catalog-pipes { display:flex; }
.catalog-pipes .catalog-visual { height:220px; min-height:220px; }
.catalog-pipes .catalog-visual img { min-height:220px; object-position:center 55%; }
.catalog-pipes .catalog-copy { padding:22px 23px 24px; }
.catalog-gallery { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; padding:12px; background:#eaf1f2; }
.catalog-gallery figure { position:relative; display:flex; min-width:0; height:98px; flex-direction:column; align-items:center; justify-content:center; overflow:hidden; margin:0; border-radius:13px; background:#fff; }
.catalog-gallery img { width:100%; height:70px; object-fit:contain; padding:5px; transition:transform .35s cubic-bezier(.2,.7,.2,1); }
.catalog-gallery figure:hover img { transform:scale(1.08); }
.catalog-gallery figcaption { max-width:100%; padding:0 4px 7px; overflow:hidden; color:#617780; font-size:9px; font-weight:700; text-overflow:ellipsis; white-space:nowrap; }
.catalog-couplings .catalog-copy,.catalog-extra .catalog-copy { flex:1; padding:19px 21px 21px; }
.catalog-extra { background:#fff; }
.catalog-extra .catalog-copy { display:block; }
.catalog-extra .catalog-copy p { margin-bottom:15px; }
.catalog-copy li { font-size:10px; }
.catalog-note { display:block; margin-top:15px; }
.extra-gallery { background:#edf4f4; }
.extra-gallery { grid-template-columns:repeat(3,minmax(0,1fr)); }
.catalog-grid [data-system-image] { transition:opacity .18s ease; }
.catalog-grid [data-system-image].is-switching { opacity:.25; }
@media (max-width:1080px) {
  .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .catalog-pipes,.catalog-couplings,.catalog-extra { grid-column:auto; }
  .catalog-pipes { grid-column:1/-1; }
  .catalog-pipes .catalog-visual { height:250px; }
}
@media (max-width:820px) {
  .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .catalog-pipes { grid-column:1/-1; }
  .catalog-pipes .catalog-visual { height:220px; }
  .system-color-picker { align-items:flex-start; }
  .system-color-label { flex-basis:100%; }
  .system-color-picker>small { flex-basis:100%; margin:0; }
}
@media (max-width:600px) {
  .catalog-grid { grid-template-columns:1fr; }
  .catalog-pipes,.catalog-couplings,.catalog-extra { grid-column:1; }
  .catalog-pipes .catalog-visual { height:205px; }
  .system-color-picker { gap:8px; padding:12px; }
  .system-color-option { flex:1; justify-content:center; padding:0 8px; font-size:11px; }
  .catalog-gallery figure { height:105px; }
  .catalog-gallery img { height:76px; }
}
@media (prefers-reduced-motion:reduce) {
  .system-color-option,.catalog-gallery img,.catalog-grid [data-system-image] { transition:none; }
}

@media (max-width:1080px) {
  .hero { padding-top:118px; }
  .hero-inner { grid-template-columns:1fr 1fr; gap:24px; }
  .hero h1 { font-size:clamp(40px,4.5vw,49px); }
  .hero-visual { height:430px; }
  .hero-facts>div,.hero-facts>div+div { padding:12px 10px; }
  .hero-facts strong { font-size:19px; }
  .catalog-pipes { grid-column:span 6; grid-template-columns:1fr; }
  .catalog-pipes .catalog-visual { min-height:180px; }
  .catalog-pipes .catalog-visual img { min-height:180px; }
  .catalog-pipes .catalog-copy { padding:20px; }
  .catalog-couplings,.catalog-combined { grid-column:span 3; }
  .catalog-extra .catalog-copy { grid-template-columns:1fr 1.2fr; }
  .catalog-extra .catalog-copy>p { grid-column:1; }
  .extra-items { grid-column:2; grid-row:1/3; }
  .catalog-help { align-items:flex-start; flex-direction:column; gap:13px; }
}
@media (max-width:820px) {
  .container { width:min(100% - 40px,1320px); }
  .desktop-nav { display:none; }
  .site-header { height:74px; }
  .mobile-menu { top:74px; left:20px; right:20px; padding:18px; }
  .hero { padding:108px 0 65px; }
  .hero-inner { grid-template-columns:1fr; gap:32px; }
  .hero-copy { max-width:680px; }
  .hero h1 { max-width:600px; font-size:clamp(42px,8.5vw,67px); }
  .hero-copy>p { max-width:620px; }
  .hero-visual { width:100%; height:min(62vw,470px); min-height:310px; }
  .hero-facts { max-width:660px; }
  .split-heading { grid-template-columns:1fr; gap:0; }
  .section h2 { margin-bottom:17px; }
  .split-heading>p { margin:0 0 30px; }
  .water-route { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px 12px; padding:28px 18px; }
  .route-line { display:none; }
  .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .catalog-pipes { grid-column:span 2; grid-template-columns:1fr 1fr; }
  .catalog-couplings,.catalog-combined { grid-column:auto; }
  .catalog-extra { grid-column:1/-1; }
  .catalog-extra .catalog-copy { grid-template-columns:1fr; gap:13px; }
  .catalog-extra .catalog-copy>p,.extra-items,.catalog-note { grid-column:1; grid-row:auto; }
}
@media (max-width:600px) {
  .container { width:min(100% - 32px,1320px); }
  .header-cta { min-height:42px; gap:7px; padding:0 12px; border-radius:12px; font-size:11px; }
  .hero { padding:102px 0 54px; }
  .hero h1 { font-size:clamp(39px,10.5vw,54px); line-height:1.06; }
  .hero-copy>p { font-size:14px; }
  .hero-actions { gap:17px; }
  .hero-facts { grid-template-columns:repeat(3,minmax(0,1fr)); gap:6px; margin-top:25px; }
  .hero-facts>div,.hero-facts>div+div { padding:11px 8px; border-radius:13px; }
  .hero-facts strong { font-size:17px; }
  .hero-facts span { font-size:9px; }
  .hero-visual { min-height:265px; height:70vw; }
  .hero-image-wrap { border-radius:24px; }
  .hero-caption { bottom:15px; left:15px; gap:9px; }
  .caption-drop { width:34px; height:34px; font-size:17px; }
  .hero-caption strong { font-size:12px; }
  .hero-caption small { font-size:9px; }
  .section { padding:70px 0; }
  .section-kicker { font-size:11px; }
  .section h2 { font-size:clamp(35px,9vw,48px); }
  .split-heading>p { font-size:14px; }
  .water-route { gap:25px 7px; padding:24px 12px; border-radius:22px; }
  .route-icon { width:62px; height:62px; margin-bottom:13px; border-width:5px; }
  .route-icon svg { width:31px; height:31px; }
  .route-stop h3 { font-size:14px; }
  .route-stop p { font-size:11px; }
  .catalog-grid { grid-template-columns:1fr; gap:13px; }
  .catalog-pipes,.catalog-couplings,.catalog-combined,.catalog-extra { grid-column:1; }
  .catalog-pipes { grid-template-columns:1fr; }
  .catalog-pipes .catalog-visual { min-height:200px; }
  .catalog-couplings .catalog-visual,.catalog-combined .catalog-visual { height:155px; }
  .catalog-copy { padding:20px; }
  .catalog-copy h3 { font-size:19px; }
  .extra-items { flex-direction:column; align-items:flex-start; }
  .catalog-help { padding:18px; border-radius:17px; }
  .catalog-help .button { width:100%; }
  .photo-grid { grid-template-columns:1fr; gap:14px; }
  .photo-card { min-height:350px; border-radius:22px; }
  .benefit-grid { grid-template-columns:1fr; }
  .benefit-card,.benefit-card:nth-child(2),.benefit-card:nth-child(3) { grid-template-columns:1fr; }
  .corrosion-viz,.speed-viz,.weight-viz,.life-viz { min-height:190px; border-radius:0 0 22px 22px; }
  .steps-line { grid-template-columns:1fr 1fr; }
  .steps-line article { padding-right:9px; }
  .steps-line p { font-size:11px; }
  .request-builder { border-radius:22px; }
  .request-form-side { padding:24px 19px; }
  .node-stage { min-height:310px; }
  .callback-shell { border-radius:22px; }
}
@media (prefers-reduced-motion:reduce) {
  .route-line span { animation:none; left:40%; opacity:.7; }
  .hero-copy,.hero-visual { animation:none; }
  .hero-flow path { animation:none; stroke-dasharray:none; }
}

/* Real product examples: a calm, shoppable extension of the system overview. */
.catalog-combined .catalog-visual { position:relative; }
.catalog-combined .catalog-visual img { width:100%; height:142px; min-height:142px; padding:8px; object-fit:contain; background:#f3f6f4; }
.catalog-combined .catalog-visual::after { display:none; }
.catalog-combined .catalog-visual span { bottom:9px; left:10px; padding:5px 8px; border-radius:999px; background:rgba(255,255,255,.92); color:#4f6c61; font-size:9px; }
.product-examples { margin-top:46px; padding-top:33px; border-top:1px solid rgba(67,99,111,.12); }
.examples-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:28px; margin-bottom:18px; }
.examples-eyebrow { display:block; margin-bottom:8px; color:#809197; font-size:10px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
.examples-heading h3 { margin:0; color:#304550; font-size:clamp(23px,3vw,31px); letter-spacing:-.045em; }
.examples-heading>p { max-width:365px; margin:0 0 2px; color:#74868d; font-size:12px; line-height:1.65; }
.product-filters { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px; }
.product-filter { min-height:36px; padding:0 14px; border:1px solid rgba(67,99,111,.12); border-radius:999px; background:#fff; color:#637780; font:700 11px/1 var(--font); cursor:pointer; transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease; }
.product-filter:hover { transform:translateY(-1px); border-color:rgba(67,99,111,.27); }
.product-filter.is-active { border-color:#405f68; background:#405f68; color:#fff; }
.product-example-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:13px; }
.product-example { min-width:0; overflow:hidden; border:1px solid rgba(67,99,111,.1); border-radius:20px; background:#fff; box-shadow:0 7px 20px rgba(55,83,94,.035); transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease; animation:productIn .34s ease both; }
.product-example[hidden] { display:none; }
.product-example:hover { transform:translateY(-4px); border-color:rgba(89,157,171,.27); box-shadow:0 14px 28px rgba(55,83,94,.09); }
.example-photo { position:relative; display:grid; height:190px; place-items:center; overflow:hidden; background:#f2f6f5; }
.example-photo img { display:block; width:100%; height:100%; padding:18px; object-fit:contain; mix-blend-mode:multiply; transition:transform .55s cubic-bezier(.2,.7,.2,1); }
.product-example:hover .example-photo img { transform:scale(1.06); }
.example-photo>span { position:absolute; top:11px; left:11px; max-width:calc(100% - 22px); padding:6px 9px; border:1px solid rgba(255,255,255,.82); border-radius:999px; background:rgba(255,255,255,.88); color:#5b747a; font-size:9px; font-weight:750; }
.example-copy { padding:15px 15px 14px; }
.example-copy>small { color:#8a999d; font-size:9px; font-weight:700; }
.example-copy h4 { min-height:39px; margin:5px 0 13px; color:#344b55; font-size:14px; font-weight:800; letter-spacing:-.025em; line-height:1.35; }
.example-bottom { display:flex; align-items:center; justify-content:space-between; gap:8px; padding-top:11px; border-top:1px solid rgba(67,99,111,.1); }
.example-bottom strong { color:#425d66; font-size:11px; white-space:nowrap; }
.example-bottom a { display:inline-flex; align-items:center; gap:5px; color:#c95449; font-size:10px; font-weight:800; text-decoration:none; white-space:nowrap; }
.example-bottom a span { transition:transform .25s ease; }
.example-bottom a:hover span { transform:translate(2px,-2px); }
.examples-source { margin:14px 0 0; color:#89979b; font-size:9px; line-height:1.6; }
@keyframes productIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
@media (max-width:980px) {
  .product-example-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .example-photo { height:210px; }
}
@media (max-width:620px) {
  .product-examples { margin-top:32px; padding-top:26px; }
  .examples-heading { display:block; }
  .examples-heading>p { margin-top:8px; font-size:11px; }
  .product-filters { flex-wrap:nowrap; overflow-x:auto; padding-bottom:4px; scrollbar-width:none; }
  .product-filters::-webkit-scrollbar { display:none; }
  .product-filter { flex:none; }
  .product-example-grid { gap:9px; }
  .example-photo { height:145px; }
  .example-photo img { padding:10px; }
  .example-photo>span { top:7px; left:7px; padding:5px 7px; font-size:8px; }
  .example-copy { padding:12px 10px 11px; }
  .example-copy h4 { min-height:37px; font-size:12px; }
  .example-bottom { align-items:flex-start; flex-direction:column; gap:7px; }
}
@media (prefers-reduced-motion:reduce) {
  .product-filter,.product-example,.example-photo img { transition:none; animation:none; }
}

.fitting-category-tabs { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:9px; margin:0 0 13px; }
.fitting-category { display:flex; min-height:58px; align-items:center; justify-content:space-between; gap:12px; padding:0 18px; border:1px solid rgba(67,99,111,.12); border-radius:16px; background:rgba(255,255,255,.76); color:#405761; text-align:left; cursor:pointer; transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease; }
.fitting-category:hover { transform:translateY(-1px); border-color:rgba(67,99,111,.28); }
.fitting-category>span { font-size:14px; font-weight:800; }
.fitting-category>small { color:#829297; font-size:10px; }
.fitting-category.is-active { border-color:#405f68; background:#405f68; color:#fff; }
.fitting-category.is-active>small { color:rgba(255,255,255,.72); }
.fitting-browser { display:grid; grid-template-columns:minmax(275px,.82fr) minmax(0,1.35fr); overflow:hidden; border:1px solid rgba(67,99,111,.1); border-radius:23px; background:#fff; box-shadow:0 10px 28px rgba(55,83,94,.045); }
.fitting-types-panel { padding:24px 20px 20px; background:#f6f9f8; }
.fitting-panel-heading { display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-bottom:13px; }
.fitting-panel-heading>span { color:#40545c; font-size:12px; font-weight:800; }
.fitting-panel-heading>small { color:#87969a; font-size:10px; }
.fitting-type-list { display:grid; gap:7px; }
.fitting-type { display:flex; min-height:46px; align-items:center; justify-content:space-between; gap:12px; padding:8px 12px 8px 14px; border:1px solid transparent; border-radius:12px; background:#fff; color:#5d7179; font:700 12px/1.35 var(--font); text-align:left; cursor:pointer; transition:background .24s ease,color .24s ease,border-color .24s ease,transform .24s ease; }
.fitting-type:hover { transform:translateX(2px); border-color:rgba(67,99,111,.12); }
.fitting-type i { color:#9aabad; font-size:13px; font-style:normal; opacity:0; transition:opacity .2s ease,transform .2s ease; }
.fitting-type.is-active { border-color:rgba(71,125,134,.18); background:#e8f2f1; color:#385d64; }
.fitting-type.is-active i { transform:translate(1px,-1px); color:#4f8790; opacity:1; }
.fitting-help { margin:15px 2px 0; color:#839196; font-size:10px; line-height:1.6; }
.fitting-detail { display:grid; grid-template-columns:minmax(190px,.92fr) minmax(0,1fr); align-items:stretch; min-height:325px; transition:opacity .2s ease; }
.fitting-detail.is-changing { opacity:.52; }
.fitting-detail-photo { position:relative; display:grid; min-height:325px; place-items:center; overflow:hidden; background:#f1f5f4; }
.fitting-detail-photo img { width:100%; height:100%; min-height:325px; padding:28px; object-fit:contain; mix-blend-mode:multiply; transition:transform .45s cubic-bezier(.2,.7,.2,1); }
.fitting-detail:hover .fitting-detail-photo img { transform:scale(1.035); }
.fitting-detail-photo>span { position:absolute; bottom:13px; left:13px; padding:6px 9px; border:1px solid rgba(255,255,255,.78); border-radius:999px; background:rgba(255,255,255,.91); color:#6b7d81; font-size:9px; font-weight:700; }
.fitting-detail-copy { display:flex; flex-direction:column; align-items:flex-start; justify-content:center; padding:27px clamp(20px,3vw,34px); }
.fitting-detail-copy>small { color:#72878b; font-size:10px; font-weight:750; }
.fitting-detail-copy h4 { max-width:330px; margin:9px 0 10px; color:#344b55; font-size:clamp(21px,2.3vw,28px); font-weight:800; letter-spacing:-.045em; line-height:1.15; }
.fitting-detail-copy>p { max-width:340px; margin:0; color:#708188; font-size:12px; line-height:1.65; }
.fitting-price { display:flex; width:100%; align-items:center; justify-content:space-between; gap:12px; margin:20px 0 16px; padding-top:14px; border-top:1px solid rgba(67,99,111,.1); }
.fitting-price>span { color:#839196; font-size:10px; }
.fitting-price>strong { color:#405f68; font-size:13px; }
.fitting-request { min-height:44px; padding:0 16px; font-size:11px; }
.fitting-request span { margin-left:7px; }
.fitting-category:focus-visible,.fitting-type:focus-visible,.fitting-request:focus-visible { outline:3px solid rgba(78,142,153,.4); outline-offset:3px; }
@media (max-width:760px) {
  .fitting-browser { grid-template-columns:1fr; }
  .fitting-types-panel { padding:18px 15px; }
  .fitting-type-list { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .fitting-detail { min-height:260px; }
  .fitting-detail-photo,.fitting-detail-photo img { min-height:260px; }
}
@media (max-width:480px) {
  .product-examples { margin-top:30px; padding-top:25px; }
  .fitting-category-tabs { gap:6px; }
  .fitting-category { min-height:54px; flex-direction:column; align-items:flex-start; justify-content:center; gap:3px; padding:7px 11px; border-radius:13px; }
  .fitting-category>span { font-size:12px; }
  .fitting-category>small { font-size:9px; }
  .fitting-type-list { grid-template-columns:1fr; }
  .fitting-detail { grid-template-columns:1fr; }
  .fitting-detail-photo,.fitting-detail-photo img { min-height:210px; height:210px; }
  .fitting-detail-photo img { padding:16px; }
  .fitting-detail-copy { padding:20px 17px; }
  .fitting-detail-copy h4 { font-size:23px; }
  .fitting-price { margin:15px 0 13px; }
  .fitting-request { width:100%; justify-content:center; }
}
@media (prefers-reduced-motion:reduce) {
  .fitting-category,.fitting-type,.fitting-type i,.fitting-detail,.fitting-detail-photo img { transition:none; }
}