/* AFA Steel & Fence — styles */
:root {
  --bg: #0b0d10;
  --bg2: #101318;
  --panel: #14181e;
  --panel2: #1a1f26;
  --line: #262d36;
  --line2: #333c47;
  --steel: #8a96a3;
  --galv: #c9d3dc;
  --text: #e9eef3;
  --muted: #9aa5b1;
  --hot: #ff7a1a;
  --hot2: #ffb347;
  --hot3: #ffd98a;
  --green: #2f8a57;
  --r: 14px;
  --head: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 var(--body); overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.wrap { width: min(1220px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--hot); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--hot2); outline-offset: 3px; border-radius: 6px; }
.hot { color: var(--hot); background: linear-gradient(100deg, var(--hot) 20%, var(--hot2) 60%, var(--hot3)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 60; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
#sparkLayer { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 70; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  font: 700 15px/1 var(--body); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
}
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn-lg { padding: 16px 24px; font-size: 16px; }
.btn-hot { background: linear-gradient(135deg, var(--hot), #ff9a3c); color: #120800; box-shadow: 0 8px 30px -10px rgba(255, 122, 26, .7), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-hot:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px rgba(255, 122, 26, .9), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-ghost { background: rgba(255,255,255,.03); border-color: var(--line2); color: var(--text); }
.btn-ghost:hover { border-color: var(--steel); background: rgba(255,255,255,.07); transform: translateY(-2px); }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.solid { background: rgba(11, 13, 16, .82); backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3); border-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.brand img { height: 30px; width: auto; }
.brand span { font: 700 11px/1.1 var(--head); letter-spacing: .32em; text-transform: uppercase; color: var(--muted); border-left: 1px solid var(--line2); padding-left: 12px; font-stretch: 112%; }
.links { display: flex; gap: 26px; margin-left: auto; }
.links a { text-decoration: none; font-weight: 500; font-size: 15px; color: var(--muted); position: relative; padding: 6px 0; transition: color .2s; }
.links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--hot); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.links a:hover, .links a.on { color: var(--text); }
.links a:hover::after, .links a.on::after { transform: scaleX(1); }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; background: none; border: 1px solid var(--line2); border-radius: 10px; cursor: pointer; position: relative; }
.burger i { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--text); transition: transform .3s var(--ease); }
.burger i:first-child { top: 17px; } .burger i:last-child { top: 25px; }
.burger[aria-expanded="true"] i:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] i:last-child { transform: translateY(-4px) rotate(-45deg); }
.drawer { display: grid; gap: 4px; padding: 10px 20px 22px; background: rgba(11, 13, 16, .97); border-bottom: 1px solid var(--line); }
.drawer[hidden] { display: none; }
.drawer a:not(.btn) { padding: 13px 4px; text-decoration: none; font: 600 20px var(--head); border-bottom: 1px solid var(--line); }
.drawer .btn { margin-top: 12px; }

/* ---------- section scaffolding ---------- */
section { position: relative; }
.sec-head { max-width: 760px; margin-bottom: 52px; }
.kicker { font: 500 13px/1 var(--mono); letter-spacing: .08em; color: var(--hot2); text-transform: uppercase; margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
.kicker::before { content: ''; width: 26px; height: 2px; background: var(--hot); }
.h2 { font: 800 clamp(34px, 5vw, 60px)/1.02 var(--head); font-stretch: 112%; letter-spacing: -.02em; margin: 0 0 18px; text-wrap: balance; }
.sec-lead { color: var(--muted); font-size: 18px; margin: 0; max-width: 620px; }
.note { color: var(--muted); font-size: 13.5px; margin: 14px 0 0; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { min-height: 100svh; display: flex; align-items: center; padding: 110px 0 70px; overflow: hidden; }
.blueprint {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(138,150,163,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138,150,163,.07) 1px, transparent 1px),
    linear-gradient(rgba(138,150,163,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138,150,163,.035) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 30%, transparent 75%);
}
.hero::after {
  content: ''; position: absolute; width: 900px; height: 900px; right: -200px; top: -120px; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 122, 26, .13), transparent 60%);
  animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe { 50% { transform: scale(1.12) translate(-30px, 30px); opacity: .7; } }
.hero-in { display: grid; grid-template-columns: 1.02fr 1fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 13px var(--mono); color: var(--muted); padding: 8px 14px; border: 1px solid var(--line2); border-radius: 99px; background: rgba(255,255,255,.02); margin: 0 0 28px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hot); box-shadow: 0 0 0 0 rgba(255,122,26,.6); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(255,122,26,0); } 100% { box-shadow: 0 0 0 0 rgba(255,122,26,0); } }
.h-hero { font: 900 clamp(52px, 8.4vw, 116px)/.9 var(--head); font-stretch: 118%; letter-spacing: -.035em; margin: 0 0 28px; text-transform: uppercase; }
.h-hero .line { display: block; overflow: hidden; padding-bottom: .04em; }
.h-hero .line > span { display: inline-block; transform: translateY(105%); animation: rise 1s var(--ease) forwards; }
.h-hero .line:nth-child(2) > span { animation-delay: .12s; }
.h-hero .line:nth-child(3) > span { animation-delay: .24s; }
@keyframes rise { to { transform: none; } }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: #c3ccd5; max-width: 540px; margin: 0 0 34px; opacity: 0; animation: fadeUp .9s .45s var(--ease) forwards; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .cta-row { opacity: 0; animation: fadeUp .9s .6s var(--ease) forwards; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero-facts { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, auto); gap: 0; width: max-content; max-width: 100%; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; opacity: 0; animation: fadeUp .9s .75s var(--ease) forwards; }
.hero-facts li { padding: 14px 20px; display: grid; gap: 2px; background: rgba(255,255,255,.015); }
.hero-facts li + li { border-left: 1px solid var(--line); }
.hero-facts b { font: 800 15px var(--head); font-stretch: 112%; text-transform: uppercase; letter-spacing: .04em; }
.hero-facts span { font-size: 13px; color: var(--muted); }
.hero-stage { position: relative; aspect-ratio: 1; width: 100%; max-width: 620px; justify-self: end; }
.hero-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.stage-ring { position: absolute; inset: 8%; border-radius: 50%; border: 1px dashed rgba(138,150,163,.18); animation: spin 60s linear infinite; pointer-events: none; }
.stage-ring::before { content: ''; position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--hot); box-shadow: 0 0 14px var(--hot); }
@keyframes spin { to { transform: rotate(360deg); } }
.morph-caption { position: absolute; left: 50%; bottom: 5%; transform: translateX(-50%); display: flex; align-items: center; gap: 10px; white-space: nowrap; padding: 8px 14px 8px 8px; border-radius: 99px; background: rgba(16,19,24,.8); border: 1px solid var(--line2); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.mc-tag { font: 800 12px var(--head); font-stretch: 112%; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 99px; background: var(--hot); color: #120800; transition: background .4s; }
.mc-text { font-size: 14px; color: #d3dae1; transition: opacity .25s, transform .25s; }
.mc-text.swap { opacity: 0; transform: translateY(6px); }
.morph-dots { position: absolute; left: 50%; bottom: -2%; transform: translateX(-50%); display: flex; gap: 7px; }
.morph-dots button { width: 8px; height: 8px; padding: 0; border-radius: 99px; border: 0; background: var(--line2); cursor: pointer; transition: width .35s var(--ease), background .35s; }
.morph-dots button.on { width: 26px; background: var(--hot); }
.scroll-cue { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line2); border-radius: 14px; z-index: 2; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--hot); animation: cue 1.8s infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- ticker ---------- */
.ticker { border-block: 1px solid var(--line); background: var(--bg2); overflow: hidden; padding: 18px 0; }
.ticker-track { display: flex; width: max-content; gap: 28px; align-items: center; animation: tick 40s linear infinite; }
.ticker span { font: 800 22px var(--head); font-stretch: 118%; text-transform: uppercase; letter-spacing: .02em; color: #6d7987; }
.ticker i { color: var(--hot); font-style: normal; font-size: 14px; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- products ---------- */
.products { padding: 130px 0 60px; }
.prod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.prod-stage-col { position: relative; }
.prod-stage { position: sticky; top: 90px; height: calc(100vh - 120px); max-height: 640px; border-radius: 22px; border: 1px solid var(--line); background: radial-gradient(circle at 50% 40%, #171c23, var(--bg2) 70%); overflow: hidden; }
.prod-stage::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(138,150,163,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(138,150,163,.06) 1px, transparent 1px); background-size: 32px 32px; }
.prod-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.prod-meta { position: absolute; left: 24px; right: 24px; bottom: 22px; display: flex; align-items: center; gap: 14px; font: 600 13px var(--mono); color: var(--muted); }
.prod-num { color: var(--hot2); }
.prod-bar { flex: 1; height: 2px; background: var(--line2); border-radius: 2px; overflow: hidden; }
.prod-bar i { display: block; height: 100%; width: 16%; background: linear-gradient(90deg, var(--hot), var(--hot2)); transition: width .6s var(--ease); }
.prod-list { display: grid; gap: 0; padding: 12vh 0 22vh; }
.prod { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; opacity: .28; transition: opacity .5s; }
.prod.on { opacity: 1; }
.prod-idx { font: 600 13px var(--mono); color: var(--hot2); margin-bottom: 12px; }
.prod h3 { font: 800 clamp(28px, 3.3vw, 42px)/1.05 var(--head); font-stretch: 112%; letter-spacing: -.015em; margin: 0 0 16px; }
.prod p { color: #b9c3cd; font-size: 17px; margin: 0 0 20px; max-width: 480px; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 13px; padding: 7px 12px; border-radius: 99px; border: 1px solid var(--line2); color: #c7d0d8; background: rgba(255,255,255,.02); }

/* ---------- compare ---------- */
.compare { padding: 110px 0; background: linear-gradient(180deg, transparent, var(--bg2) 30%, var(--bg2) 70%, transparent); }
.cmp-table { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--panel); }
.cmp-row { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); align-items: center; }
.cmp-row > span { padding: 18px 22px; border-top: 1px solid var(--line); font-size: 15px; color: #c7d0d8; }
.cmp-row > span + span { border-left: 1px solid var(--line); }
.cmp-hd > span { border-top: 0; font: 800 16px var(--head); font-stretch: 112%; text-transform: uppercase; letter-spacing: .03em; color: var(--text); background: var(--panel2); }
.cmp-row [role="rowheader"] { font-weight: 600; color: var(--text); }
.bar { display: block; height: 8px; border-radius: 99px; background: var(--line); position: relative; overflow: hidden; }
.bar::after { content: ''; position: absolute; inset: 0; width: calc(var(--v) * 100%); border-radius: inherit; background: linear-gradient(90deg, var(--hot), var(--hot2)); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); }
.cmp-table.in .bar::after { transform: scaleX(1); }
.cmp-table.in .cmp-row:nth-child(3) .bar::after { transition-delay: .15s; }
.cmp-table.in .cmp-row:nth-child(4) .bar::after { transition-delay: .3s; }
.cmp-table.in .cmp-row:nth-child(5) .bar::after { transition-delay: .45s; }

/* ---------- build story ---------- */
.build { height: 420vh; }
.build-sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; overflow: hidden; }
.build-in { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: center; }
.build-steps { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 6px; counter-reset: s; }
.build-steps li { counter-increment: s; position: relative; padding: 12px 14px 12px 54px; border-radius: 12px; border: 1px solid transparent; opacity: .35; transition: opacity .4s, background .4s, border-color .4s; }
.build-steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 14px; top: 14px; font: 600 13px var(--mono); color: var(--muted); }
.build-steps li.on { opacity: 1; background: var(--panel); border-color: var(--line2); }
.build-steps li.on::before { color: var(--hot); }
.build-steps li.done { opacity: .7; }
.build-steps b { display: block; font: 800 18px var(--head); font-stretch: 112%; }
.build-steps span { display: block; font-size: 14.5px; color: var(--muted); }
.build-stage { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); background: #0d1014; }
.build-stage svg { display: block; width: 100%; height: auto; }
.build-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255,255,255,.05); }
.build-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--hot), var(--hot2)); }

/* ---------- planner ---------- */
.planner { padding: 130px 0 110px; }
.plan-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: start; }
.plan-form, .plan-out { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.plan-form { display: grid; gap: 22px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend, .field label { font: 600 13px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; display: flex; justify-content: space-between; align-items: baseline; width: 100%; }
.field output { font: 800 18px var(--head); color: var(--text); text-transform: none; letter-spacing: 0; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 4px; gap: 4px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span { display: block; text-align: center; padding: 10px 6px; border-radius: 9px; font-size: 14px; font-weight: 600; color: var(--muted); transition: background .25s, color .25s; }
.seg input:checked + span { background: linear-gradient(135deg, var(--hot), #ff9a3c); color: #120800; }
.seg input:focus-visible + span { outline: 2px solid var(--hot2); outline-offset: 2px; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; background: linear-gradient(90deg, var(--hot) var(--p, 50%), var(--line2) var(--p, 50%)); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--hot); cursor: grab; box-shadow: 0 2px 10px rgba(0,0,0,.5); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--hot); cursor: grab; }
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stepper { display: flex; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg2); }
.stepper button { width: 44px; border: 0; background: none; font-size: 20px; cursor: pointer; color: var(--text); transition: background .2s; }
.stepper button:hover { background: var(--panel2); }
.stepper input { flex: 1; min-width: 0; width: 40px; text-align: center; border: 0; background: none; color: var(--text); font: 800 18px var(--head); padding: 10px 0; -moz-appearance: textfield; }
.stepper input::-webkit-inner-spin-button, .stepper input::-webkit-outer-spin-button { -webkit-appearance: none; }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.swatches label { position: relative; cursor: pointer; display: grid; justify-items: center; gap: 6px; }
.swatches input { position: absolute; opacity: 0; }
.swatches span { width: 100%; height: 40px; border-radius: 10px; background: var(--c); border: 2px solid var(--line2); box-shadow: inset 0 1px 0 rgba(255,255,255,.2), inset 0 -8px 14px rgba(0,0,0,.25); transition: border-color .2s, transform .2s; }
.swatches input:checked + span { border-color: var(--hot); transform: translateY(-2px); }
.swatches input:focus-visible + span { outline: 2px solid var(--hot2); outline-offset: 2px; }
.swatches em { font-style: normal; font-size: 12.5px; color: var(--muted); }
.plan-preview { position: relative; border-radius: 14px; overflow: hidden; background: linear-gradient(#141a21, #0f1318); border: 1px solid var(--line); }
.plan-preview svg { display: block; width: 100%; height: auto; }
.scale-note { position: absolute; right: 12px; top: 10px; font: 500 11px var(--mono); color: #6d7987; }
.plan-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 18px 0 0; }
.plan-stats div { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.plan-stats b { display: block; font: 900 28px/1.1 var(--head); font-stretch: 112%; color: var(--text); }
.plan-stats span { font-size: 12.5px; color: var(--muted); }
.plan-summary { margin: 16px 0 0; color: #c7d0d8; font-size: 15px; }
.plan-out .cta-row { margin-top: 18px; }

/* ---------- process / weld ---------- */
.process { padding: 110px 0; background: var(--bg2); border-block: 1px solid var(--line); }
.weld { position: relative; }
.weld-seam { position: absolute; left: 0; right: 0; top: 22px; height: 4px; border-radius: 4px; background: var(--line); }
.weld-seam i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: inherit; background: linear-gradient(90deg, #6b3a12, var(--hot) 70%, var(--hot3)); box-shadow: 0 0 18px rgba(255,122,26,.6); }
.weld-seam b { position: absolute; top: 50%; left: 0; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px #fff, 0 0 26px var(--hot2), 0 0 50px var(--hot); opacity: 0; transition: opacity .3s; }
.weld-seam b.live { opacity: 1; }
.weld-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.weld-steps li { padding-top: 62px; position: relative; }
.weld-steps li::before { content: ''; position: absolute; top: 14px; left: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--bg2); border: 3px solid var(--line2); transition: border-color .4s, background .4s; }
.weld-steps li.lit::before { border-color: var(--hot); background: var(--hot); box-shadow: 0 0 16px var(--hot); }
.w-n { font: 600 13px var(--mono); color: var(--hot2); }
.weld-steps h3 { font: 800 22px/1.15 var(--head); font-stretch: 112%; margin: 8px 0 10px; }
.weld-steps p { color: var(--muted); margin: 0; font-size: 15.5px; }

/* ---------- sectors ---------- */
.sectors { padding: 120px 0; }
.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sector { position: relative; padding: 28px 24px 30px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); overflow: hidden; transform-style: preserve-3d; transition: border-color .3s, transform .3s var(--ease); }
.sector::after { content: ''; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,122,26,.14), transparent 45%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.sector:hover { border-color: var(--line2); }
.sector:hover::after { opacity: 1; }
.sector svg { width: 46px; height: 46px; color: var(--hot); margin-bottom: 22px; }
.sector h3 { font: 800 21px/1.15 var(--head); font-stretch: 112%; margin: 0 0 10px; }
.sector p { color: var(--muted); margin: 0; font-size: 15px; }

/* ---------- projects ---------- */
.projects { padding: 110px 0 120px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: -20px 0 28px; }
.filters button { padding: 9px 16px; border-radius: 99px; border: 1px solid var(--line2); background: transparent; color: var(--muted); font-size: 14px; font-weight: 600; cursor: pointer; transition: all .25s; }
.filters button:hover { color: var(--text); border-color: var(--steel); }
.filters button.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; grid-auto-flow: dense; gap: 14px; }
.g-item { margin: 0; position: relative; border-radius: 16px; overflow: hidden; background: var(--panel); transition: opacity .4s, transform .4s var(--ease); }
.g-item.tall { grid-row: span 2; }
.g-item.wide { grid-column: span 2; }
.g-item.hide { display: none; }
.g-item button { all: unset; display: block; width: 100%; height: 100%; cursor: zoom-in; }
.g-item button:focus-visible { outline: 2px solid var(--hot2); outline-offset: -4px; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; filter: saturate(.85) contrast(1.05); }
.g-item:hover img { transform: scale(1.06); filter: saturate(1.05) contrast(1.05); }
.g-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 16px 14px; font-weight: 600; font-size: 14.5px; background: linear-gradient(transparent, rgba(0,0,0,.82)); pointer-events: none; transform: translateY(8px); opacity: .9; transition: transform .4s var(--ease), opacity .4s; }
.g-item:hover figcaption { transform: none; opacity: 1; }

/* ---------- faq ---------- */
.faq { padding: 110px 0; background: var(--bg2); border-top: 1px solid var(--line); }
.faq-in { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
.faq-list { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); transition: border-color .3s; }
.faq details[open] { border-color: var(--line2); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 56px 18px 22px; font: 700 17px/1.35 var(--body); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 18px; top: 50%; width: 28px; height: 28px; margin-top: -14px; border-radius: 50%; border: 1px solid var(--line2); display: grid; place-items: center; font-weight: 400; font-size: 20px; color: var(--hot); transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }

/* ---------- contact ---------- */
.contact { padding: 120px 0; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.contact-cards { display: grid; gap: 12px; }
.c-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); text-decoration: none; transition: border-color .3s, transform .3s var(--ease); }
a.c-card:hover { border-color: var(--hot); transform: translateX(4px); }
.c-card > svg { width: 26px; height: 26px; flex-shrink: 0; color: var(--hot); fill: currentColor; margin-top: 2px; }
.c-card small { display: flex; align-items: center; gap: 10px; font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 4px; }
.c-card b { display: block; font: 700 18px/1.35 var(--body); overflow-wrap: anywhere; }
.open-badge { font-style: normal; font-size: 11px; padding: 3px 8px; border-radius: 99px; letter-spacing: .04em; }
.open-badge.open { background: rgba(47,138,87,.2); color: #6fe0a0; }
.open-badge.closed { background: rgba(255,122,26,.15); color: var(--hot2); }
.quote { padding: 30px; border-radius: 20px; border: 1px solid var(--line); background: var(--panel); display: grid; gap: 16px; }
.quote h3 { font: 800 26px var(--head); font-stretch: 112%; margin: 0 0 4px; }
.q-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quote label { display: grid; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.quote input, .quote select, .quote textarea { width: 100%; padding: 13px 14px; border-radius: 11px; border: 1px solid var(--line2); background: var(--bg2); color: var(--text); font: 400 16px var(--body); transition: border-color .2s, box-shadow .2s; }
.quote textarea { resize: vertical; min-height: 120px; }
.quote input:focus, .quote select:focus, .quote textarea:focus { outline: none; border-color: var(--hot); box-shadow: 0 0 0 3px rgba(255,122,26,.18); }
.quote .bad { border-color: #ff5a5a; }
.q-err { margin: 0; color: #ff8a7a; font-size: 14px; min-height: 0; }
.q-err:empty { display: none; }
.quote .btn { justify-self: start; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); background: #08090b; padding: 60px 0 100px; }
.foot-in { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: start; }
.foot-brand img { width: 220px; height: auto; opacity: .92; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot h4 { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 14px; }
.foot-cols a, .foot-cols span { display: block; text-decoration: none; color: #c7d0d8; font-size: 15px; padding: 4px 0; overflow-wrap: anywhere; }
.foot-cols a:hover { color: var(--hot2); }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); color: #6d7987; font-size: 13.5px; }
.foot-base a { color: #9aa5b1; }

/* ---------- mobile bar ---------- */
.mbar { display: none; }

/* ---------- lightbox ---------- */
.lb { position: fixed; inset: 0; z-index: 80; background: rgba(5,6,8,.94); display: grid; place-items: center; padding: 60px 70px; }
.lb[hidden] { display: none; }
.lb figure { margin: 0; max-width: 100%; max-height: 100%; display: grid; gap: 12px; justify-items: center; }
.lb img { max-width: 100%; max-height: calc(100vh - 160px); border-radius: 12px; object-fit: contain; animation: lbIn .4s var(--ease); }
@keyframes lbIn { from { opacity: 0; transform: scale(.96); } }
.lb figcaption { color: #c7d0d8; font-weight: 600; }
.lb-x, .lb-nav { position: absolute; background: rgba(255,255,255,.06); border: 1px solid var(--line2); color: var(--text); border-radius: 50%; width: 48px; height: 48px; font-size: 28px; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.lb-x { top: 18px; right: 18px; }
.lb-prev { left: 14px; top: 50%; margin-top: -24px; }
.lb-next { right: 14px; top: 50%; margin-top: -24px; }
.lb-x:hover, .lb-nav:hover { background: var(--hot); color: #120800; }

/* ============================ responsive ============================ */
@media (max-width: 1080px) {
  .links { display: none; }
  .burger { display: block; }
  .nav-cta { margin-left: auto; }
  .nav-cta + .burger { margin-left: 0; }
}
@media (max-width: 980px) {
  .hero-in { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 100px; }
  .hero-stage { justify-self: center; max-width: min(440px, 46vh); order: -1; margin: -10px 0 -10px; }
  .prod-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .prod-stage-col { position: sticky; top: 72px; z-index: 2; height: 0; }
  .prod-stage { position: relative; top: 0; height: 36vh; max-height: 320px; background: radial-gradient(circle at 50% 40%, #171c23, rgba(16,19,24,.97) 70%); }
  .prod-list { padding: calc(36vh + 20px) 0 10vh; }
  .prod { min-height: 64vh; justify-content: center; }
  .build { height: 460vh; }
  .build-in { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .build-copy .h2 { font-size: 32px; margin-bottom: 0; }
  .build-copy .kicker { margin-bottom: 10px; }
  .build-steps { margin-top: 12px; display: block; position: relative; height: 92px; }
  .build-steps li { position: absolute; inset: 0; opacity: 0; transform: translateY(10px); transition: opacity .35s, transform .35s; }
  .build-steps li.on { opacity: 1; transform: none; }
  .build-steps li.done { opacity: 0; }
  .plan-grid, .contact-grid, .faq-in { grid-template-columns: minmax(0, 1fr); }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .weld-steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .weld-seam { display: none; }
  .weld-steps li::before { border-color: var(--hot); }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .foot-in { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .nav-cta span { display: none; }
  .nav-cta { padding: 11px; }
  .brand span { display: none; }
  .hero-facts { grid-template-columns: repeat(3, 1fr); width: 100%; }
  .hero-facts li { padding: 12px 10px; }
  .hero-facts b { font-size: 13px; }
  .hero-facts span { font-size: 11.5px; }
  .h-hero { font-size: clamp(44px, 13.5vw, 64px); }
  .cta-row .btn { flex: 1 1 100%; }
  .scroll-cue { display: none; }
  .products, .planner { padding-top: 90px; }
  .compare, .process, .sectors, .projects, .faq, .contact { padding: 80px 0; }
  .sec-head { margin-bottom: 36px; }
  .cmp-table { overflow-x: auto; }
  .cmp-row { min-width: 560px; grid-template-columns: 1fr repeat(3, 1fr); }
  .cmp-row > span { padding: 14px 12px; font-size: 13.5px; }
  .plan-form, .plan-out, .quote { padding: 20px; }
  .plan-stats { grid-template-columns: repeat(2, 1fr); }
  .q-row { grid-template-columns: minmax(0, 1fr); }
  .sector-grid, .weld-steps { grid-template-columns: minmax(0, 1fr); }
  .gallery { grid-auto-rows: 150px; gap: 10px; }
  .g-item.wide { grid-column: span 2; }
  .foot-cols { grid-template-columns: minmax(0, 1fr); }
  .mbar { display: grid; grid-template-columns: repeat(3, 1fr); position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 55; background: rgba(20,24,30,.94); border: 1px solid var(--line2); border-radius: 16px; overflow: hidden; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
  .mbar a { display: grid; justify-items: center; gap: 3px; padding: 10px 4px; text-decoration: none; font-size: 12.5px; font-weight: 600; }
  .mbar svg { width: 20px; height: 20px; fill: currentColor; }
  .mbar a + a { border-left: 1px solid var(--line); }
  .mbar-hot { background: var(--hot); color: #120800; }
  .lb { padding: 60px 10px; }
  .lb-nav { top: auto; bottom: 16px; margin: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}