/* ============================================================
   BGC — Burhan Gas Company · Redesign
   Refined showroom: porcelain whites, ink type, one flame accent
   ============================================================ */

:root {
  --paper: #FAF9F6;
  --cream: #F3F0E9;
  --cream-deep: #ECE8DE;
  --ink: #16140F;
  --ink-soft: #57534A;
  --muted: #8E8A7F;
  --line: #E7E3D9;
  --flame: #EC7E1C;
  --flame-deep: #D96F10;
  --flame-soft: #FBEAD8;
  --coal: #0F0E0B;
  --coal-2: #191713;
  --coal-line: #2B2822;
  --wa: #1FA855;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: "Schibsted Grotesk", sans-serif;
  --font-body: "Hanken Grotesk", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--flame); color: #fff; }

h1, h2, h3, .display { font-family: var(--font-display); }

/* ---------- shared primitives ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--flame);
}

.display-xl { font-size: clamp(44px, 7.2vw, 96px); font-weight: 500; letter-spacing: -0.035em; line-height: 1.02; }
.display-lg { font-size: clamp(36px, 5.2vw, 68px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; }
.display-md { font-size: clamp(28px, 3.6vw, 44px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }

.lede { font-size: clamp(17px, 1.6vw, 21px); color: var(--ink-soft); line-height: 1.65; }
.dark .lede { color: #A7A297; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-size: 16px; font-weight: 600;
  padding: 15px 32px; border-radius: 999px;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), background 0.3s;
  will-change: transform;
}
.btn-flame { background: var(--flame); color: #fff; }
.btn-flame:hover { background: var(--flame-deep); box-shadow: 0 12px 32px rgba(236,126,28,0.35); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { box-shadow: 0 12px 30px rgba(22,20,15,0.3); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-wa { background: #EDF9EF; color: #157A3C; }
.btn-wa:hover { background: #DFF4E4; }
.dark .btn-ghost { border-color: var(--coal-line); color: #fff; }
.dark .btn-ghost:hover { border-color: #fff; }

.link-arrow { font-weight: 600; color: var(--flame); font-size: 16px; display: inline-flex; align-items: center; gap: 6px; }
.link-arrow svg { transition: transform 0.4s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

section { position: relative; }
.section-pad { padding: clamp(90px, 12vw, 160px) 0; }
.dark { background: var(--coal); color: #fff; }
.cream { background: var(--cream); }

.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* scroll reveal */
.rv { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.rv-in { opacity: 1 !important; transform: none !important; }
.reduced .rv { opacity: 1; transform: none; }

/* ---------- announcement + nav ---------- */
.announce {
  background: var(--ink); color: #CFC9BC; font-size: 13.5px; font-weight: 500;
  text-align: center; padding: 9px 16px; letter-spacing: 0.02em;
}
.announce b { color: #fff; font-weight: 600; }

.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 249, 246, 0.6);
  backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
  transition: background 0.4s, box-shadow 0.4s, backdrop-filter 0.4s;
}
.nav.scrolled {
  background: rgba(250, 249, 246, 0.82);
  backdrop-filter: blur(10px) saturate(1.4); -webkit-backdrop-filter: blur(10px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(22,20,15,0.07);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 2px; font-family: var(--font-display); font-weight: 700; font-size: 21px; letter-spacing: -0.02em; }
.nav-logo img { height: 30px; width: auto; }
.nav-links { display: flex; gap: 34px; font-size: 15px; font-weight: 500; color: var(--ink-soft); }
.nav-links a { position: relative; padding: 4px 0; transition: color 0.25s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 100%;
  background: var(--flame); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-links a.active { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-icon { position: relative; display: inline-flex; padding: 6px; border-radius: 50%; transition: background 0.25s; }
.nav-icon:hover { background: var(--cream-deep); }
.cart-dot {
  position: absolute; top: 2px; right: 0; min-width: 16px; height: 16px; border-radius: 8px;
  background: var(--flame); color: #fff; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
  transform: scale(0); transition: transform 0.5s var(--ease);
}
.cart-dot.show { transform: scale(1); }
.nav-buy { font-size: 14px; padding: 9px 22px; }

/* ---------- hero ---------- */
.hero { overflow: hidden; padding: clamp(60px, 8vw, 110px) 0 0; }
.hero-head { text-align: center; position: relative; z-index: 2; }
.hero-head .eyebrow { display: block; margin-bottom: 18px; }
.hero-sub { margin: 22px auto 0; max-width: 520px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; margin-top: 34px; }

.hero-stage {
  position: relative; height: clamp(380px, 48vw, 620px); margin-top: clamp(30px, 5vw, 70px);
  display: flex; align-items: flex-end; justify-content: center;
}
.hero-floor {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: min(880px, 92%); height: 46%;
  background: radial-gradient(ellipse 65% 90% at 50% 100%, var(--cream-deep) 0%, rgba(236,232,222,0) 68%);
  border-radius: 50% 50% 0 0;
}
.hero-cyl { position: absolute; bottom: 0; will-change: transform; }
.hero-cyl img { height: 100%; width: auto; }
.hero-cyl-c { height: 92%; left: 50%; transform: translateX(-50%); z-index: 3; }
.hero-cyl-l { height: 56%; left: 50%; transform: translateX(-128%); z-index: 2; }
.hero-cyl-r { height: 74%; left: 50%; transform: translateX(38%); z-index: 2; }
.hero-chip {
  position: absolute; z-index: 4; background: rgba(255,255,255,0.86); backdrop-filter: blur(10px);
  border: 1px solid rgba(22,20,15,0.06); border-radius: 999px; padding: 10px 18px;
  font-size: 13.5px; font-weight: 600; color: var(--ink); box-shadow: 0 10px 30px rgba(22,20,15,0.09);
  display: flex; align-items: center; gap: 8px;
}
.hero-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); }
.hero-chip-1 { top: 16%; left: 12%; }
.hero-chip-2 { top: 42%; right: 10%; }

/* marquee */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; overflow: hidden; background: var(--paper); }
.marquee-track { display: flex; gap: 64px; width: max-content; will-change: transform; }
.marquee span {
  font-family: var(--font-display); font-size: 15px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted); white-space: nowrap; display: flex; align-items: center; gap: 64px;
}
.marquee b { color: var(--flame); font-weight: 500; }

/* ---------- feature scenes ---------- */
.scene-head { max-width: 720px; margin: 0 auto; }
.scene-head .eyebrow { display: block; margin-bottom: 16px; }
.scene-head .lede { margin-top: 20px; max-width: 560px; }

/* safety (dark) */
.safety-stage { position: relative; margin-top: clamp(40px, 6vw, 80px); display: flex; justify-content: center; }
.safety-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -46%);
  width: min(560px, 80vw); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(236,126,28,0.22) 0%, rgba(236,126,28,0.05) 45%, transparent 70%);
  animation: breathe 5.5s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { transform: translate(-50%,-46%) scale(1); opacity: 0.9; } 50% { transform: translate(-50%,-46%) scale(1.08); opacity: 1; } }
.safety-cyl { position: relative; height: clamp(320px, 42vw, 500px); }
.safety-cyl img { height: 100%; width: auto; }
.safety-cert { margin-top: 54px; display: flex; justify-content: center; gap: clamp(24px, 5vw, 64px); flex-wrap: wrap; }
.cert-item { text-align: center; }
.cert-item .n { font-family: var(--font-display); font-size: 20px; font-weight: 500; color: #fff; }
.cert-item .l { font-size: 13px; color: #857F72; margin-top: 3px; letter-spacing: 0.04em; }

/* gas pinned scene */
.gas-section { background: var(--cream); }
.gas-pin { min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.gas-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(30px, 6vw, 90px); width: 100%; }
.gas-copy .eyebrow { display: block; margin-bottom: 16px; }
.gas-copy .lede { margin-top: 20px; max-width: 440px; }
.gas-status { margin-top: 38px; }
.gas-pct { font-family: var(--font-display); font-size: clamp(56px, 6.5vw, 92px); font-weight: 500; letter-spacing: -0.03em; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.gas-pct small { font-size: 0.45em; color: var(--muted); font-weight: 500; }
.gas-caption { margin-top: 10px; font-size: 16px; font-weight: 600; color: var(--flame); min-height: 26px; transition: opacity 0.3s; }
.gas-bar { margin-top: 18px; width: min(300px, 80%); height: 4px; background: var(--cream-deep); border-radius: 2px; overflow: hidden; }
.gas-bar i { display: block; height: 100%; width: 100%; background: var(--flame); border-radius: 2px; transform-origin: left; }
.gas-visual { position: relative; display: flex; justify-content: center; }
.gas-cyl { position: relative; height: clamp(380px, 52vw, 560px); }
.gas-cyl > img { height: 100%; width: auto; position: relative; z-index: 2; }
.gas-win {
  position: absolute; z-index: 3; border-radius: 999px; overflow: hidden;
  background: rgba(120, 118, 108, 0.08);
}
.gas-fill {
  position: absolute; left: 0; right: 0; bottom: 0; height: 100%;
  background: linear-gradient(180deg, #F9B15C 0%, #EC7E1C 90%);
  mix-blend-mode: multiply; opacity: 0.85;
}
.gas-fill::before {
  content: ""; position: absolute; top: -3px; left: -10%; width: 120%; height: 6px; border-radius: 50%;
  background: rgba(255, 214, 160, 0.9);
}
.gas-hint { position: absolute; bottom: -46px; left: 50%; transform: translateX(-50%); font-size: 13px; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; white-space: nowrap; }

/* weight scene */
.scale-stage { margin-top: clamp(50px, 7vw, 90px); display: flex; justify-content: center; }
.scale { width: min(720px, 100%); }
.scale-beam-wrap { position: relative; height: 300px; }
.scale-beam {
  position: absolute; left: 50%; top: 40px; width: 86%; height: 6px; border-radius: 3px;
  background: var(--ink); transform: translateX(-50%) rotate(0deg); transform-origin: center;
  will-change: transform;
}
.scale-post { position: absolute; left: 50%; top: 44px; transform: translateX(-50%); width: 10px; height: 210px; border-radius: 5px; background: var(--ink); }
.scale-base { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 160px; height: 12px; border-radius: 6px; background: var(--ink); }
.scale-pan { position: absolute; top: 6px; display: flex; flex-direction: column; align-items: center; will-change: transform; }
.scale-pan-l { left: 4%; }
.scale-pan-r { right: 4%; }
.pan-item { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.steel-block {
  width: 96px; height: 130px; border-radius: 10px;
  background: linear-gradient(145deg, #6E6B64, #4A4841 60%, #57544C);
  position: relative; overflow: hidden;
}
.steel-block::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 20%, rgba(176,108,52,0.5), transparent 55%); }
.pan-item img { height: 130px; width: auto; filter: drop-shadow(0 14px 18px rgba(22,20,15,0.2)); }
.pan-label { font-family: var(--font-display); font-size: 18px; font-weight: 500; }
.pan-label small { display: block; font-family: var(--font-body); font-size: 13px; color: var(--muted); font-weight: 500; text-align: center; }

/* durability drag slider */
.wear-stage { margin-top: clamp(46px, 6vw, 80px); display: flex; flex-direction: column; align-items: center; }
.wear {
  position: relative; width: min(860px, 100%); aspect-ratio: 16 / 9; border-radius: 24px; overflow: hidden;
  background: var(--cream-deep); user-select: none; touch-action: none; cursor: ew-resize;
}
.wear-half { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.wear-half img { height: 78%; width: auto; filter: drop-shadow(0 24px 30px rgba(22,20,15,0.16)); }
.wear-b { background: linear-gradient(160deg, #EFEBE2, #E4DFD3); }
.wear-a { background: linear-gradient(160deg, #F6F3EC, #ECE8DE); clip-path: inset(0 calc(100% - var(--cut, 50%)) 0 0); }
.wear-tag {
  position: absolute; top: 22px; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(255,255,255,0.8); backdrop-filter: blur(6px); padding: 7px 14px; border-radius: 999px; color: var(--ink-soft);
}
.wear-a .wear-tag { left: 22px; }
.wear-b .wear-tag { right: 22px; }
.wear-handle { position: absolute; top: 0; bottom: 0; left: var(--cut, 50%); width: 3px; background: #fff; box-shadow: 0 0 0 1px rgba(22,20,15,0.06); z-index: 4; }
.wear-knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 52px; height: 52px; border-radius: 50%; background: #fff;
  box-shadow: 0 8px 26px rgba(22,20,15,0.2); display: flex; align-items: center; justify-content: center;
}
.wear-punch {
  margin-top: 30px; font-family: var(--font-display); font-size: clamp(19px, 2.2vw, 26px); font-weight: 500;
  color: var(--ink); opacity: 0; transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.wear-punch.show { opacity: 1; transform: none; }
.wear-punch em { font-style: normal; color: var(--flame); }

/* colors / finishes */
.finish-stage { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; margin-top: clamp(40px, 5vw, 60px); }
.finish-visual { position: relative; display: flex; justify-content: center; align-items: flex-end; height: clamp(400px, 48vw, 560px); }
.finish-halo {
  position: absolute; top: 52%; left: 50%; transform: translate(-50%, -50%);
  width: 118%; aspect-ratio: 1; border-radius: 50%; transition: background 0.8s;
  background: radial-gradient(circle, var(--halo, rgba(236,126,28,0.16)) 0%, transparent 62%);
}
.finish-imgs { position: relative; height: 94%; aspect-ratio: 0.52; }
.finish-imgs img {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); height: 100%; width: auto;
  opacity: 0; transition: opacity 0.55s var(--ease); filter: drop-shadow(0 30px 36px rgba(22,20,15,0.18));
}
.finish-imgs img.on { opacity: 1; }
.finish-copy .eyebrow { display: block; margin-bottom: 16px; }
.finish-name { font-family: var(--font-display); font-size: 22px; font-weight: 500; margin-top: 26px; min-height: 34px; }
.finish-name small { color: var(--muted); font-family: var(--font-body); font-size: 15px; margin-left: 10px; }
.swatches { display: flex; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.swatch {
  width: 44px; height: 44px; border-radius: 50%; border: 3px solid transparent;
  box-shadow: inset 0 0 0 2px var(--paper), 0 4px 12px rgba(22,20,15,0.14);
  transition: transform 0.4s var(--ease), border-color 0.3s;
}
.swatch:hover { transform: scale(1.12); }
.swatch.on { border-color: var(--ink); transform: scale(1.08); }

/* use cases */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(44px, 5vw, 64px); }
.case-card {
  position: relative; border-radius: 24px; overflow: hidden; min-height: 460px;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 30px;
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.case-card:hover { transform: translateY(-8px); box-shadow: 0 26px 60px rgba(22,20,15,0.14); }
.case-home { background: linear-gradient(170deg, #F6EFE2, #EBDFC8); }
.case-rest { background: linear-gradient(170deg, #2A2620, #17140F); color: #fff; }
.case-out { background: linear-gradient(170deg, #E4EADB, #CBD6BC); }
.case-cyl { position: absolute; top: 8%; left: 50%; transform: translateX(-50%); height: 62%; transition: transform 0.8s var(--ease); }
.case-card:hover .case-cyl { transform: translateX(-50%) scale(1.05) translateY(-4px); }
.case-cyl img { height: 100%; width: auto; filter: drop-shadow(0 20px 26px rgba(22,20,15,0.22)); }
.case-meta { position: relative; z-index: 2; }
.case-meta h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; }
.case-meta p { font-size: 15px; margin-top: 6px; opacity: 0.75; }
.case-meta .size-tag { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; background: rgba(255,255,255,0.75); color: var(--ink); backdrop-filter: blur(6px); border-radius: 999px; padding: 6px 14px; }
.case-rest .size-tag { background: rgba(255,255,255,0.14); color: #fff; }

/* loadshedding (dark) */
.load-scene { position: relative; overflow: hidden; }
.load-glow {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(236,126,28,0.16) 0%, transparent 60%);
}
.load-stage { position: relative; display: flex; justify-content: center; margin-top: clamp(40px, 5vw, 70px); }
.load-stage img { height: clamp(300px, 38vw, 440px); width: auto; }
.load-flame {
  position: absolute; bottom: -6px; left: 50%; transform: translateX(-50%);
  width: 240px; height: 60px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(236,126,28,0.35), transparent 70%);
  animation: flicker 2.6s ease-in-out infinite;
}
@keyframes flicker { 0%,100% { opacity: 0.8; transform: translateX(-50%) scaleX(1);} 40% { opacity: 1; transform: translateX(-50%) scaleX(1.12);} 70% { opacity: 0.7; } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 10px; }
.stat .n { font-family: var(--font-display); font-size: clamp(38px, 4.6vw, 64px); font-weight: 500; letter-spacing: -0.03em; color: #fff; font-variant-numeric: tabular-nums; }
.stat .n em { font-style: normal; color: var(--flame); }
.stat .l { margin-top: 6px; font-size: 14.5px; color: #857F72; font-weight: 500; }

/* testimonials */
.quotes-rail { overflow: hidden; margin-top: clamp(40px, 5vw, 60px); position: relative; }
.rail-fade { position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none; }
.rail-fade-l { left: 0; background: linear-gradient(90deg, var(--paper), rgba(250,249,246,0)); }
.rail-fade-r { right: 0; background: linear-gradient(270deg, var(--paper), rgba(250,249,246,0)); }
.quotes-track { display: flex; gap: 22px; width: max-content; will-change: transform; }
.quote-card {
  width: 360px; flex-shrink: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 28px 28px 24px; transform: translateZ(0);
}
.quote-stars { color: var(--flame); font-size: 14px; letter-spacing: 3px; }
.quote-card p { font-size: 16px; line-height: 1.65; margin-top: 14px; color: var(--ink); }
.quote-who { margin-top: 18px; font-size: 14px; color: var(--muted); font-weight: 600; }

/* service steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(44px, 5vw, 64px); counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 34px 30px;
  position: relative; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(22,20,15,0.1); }
.step-num { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--flame); letter-spacing: 0.08em; }
.step h3 { font-size: 22px; font-weight: 500; margin-top: 12px; letter-spacing: -0.02em; }
.step p { font-size: 15.5px; color: var(--ink-soft); margin-top: 8px; }
.step-ico { width: 52px; height: 52px; border-radius: 16px; background: var(--flame-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }

/* quiz */
.quiz-shell {
  max-width: 680px; margin: clamp(40px, 5vw, 60px) auto 0; background: #fff; border: 1px solid var(--line);
  border-radius: 28px; padding: clamp(34px, 5vw, 56px); text-align: center; overflow: hidden; position: relative;
}
.quiz-q { font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 30px); font-weight: 500; letter-spacing: -0.02em; }
.quiz-opts { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.quiz-opt {
  font-size: 16px; font-weight: 600; padding: 13px 26px; border-radius: 999px;
  border: 1.5px solid var(--line); color: var(--ink-soft); background: #fff;
  transition: all 0.35s var(--ease);
}
.quiz-opt:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.quiz-dots { display: flex; gap: 6px; justify-content: center; margin-top: 30px; }
.quiz-dots i { width: 26px; height: 4px; border-radius: 2px; background: var(--cream-deep); transition: background 0.3s; }
.quiz-dots i.on { background: var(--flame); }
.quiz-result img { height: 200px; width: auto; margin: 6px auto 18px; filter: drop-shadow(0 18px 24px rgba(22,20,15,0.16)); }
.quiz-result .price { font-family: var(--font-display); font-size: 24px; margin: 4px 0 20px; }
.quiz-step { transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
.quiz-step.out { opacity: 0; transform: translateX(-26px); position: absolute; inset: clamp(34px,5vw,56px); pointer-events: none; }
.quiz-step.in { opacity: 0; transform: translateX(26px); }
.quiz-reset { margin-top: 16px; font-size: 14px; color: var(--muted); font-weight: 600; }
.quiz-reset:hover { color: var(--ink); }

/* lineup */
.lineup-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(44px, 5vw, 70px); }
.model {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 26px;
  padding: 40px 30px 34px; text-align: center;
  transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease);
}
.model:hover { transform: translateY(-8px); box-shadow: 0 26px 60px rgba(22,20,15,0.12); }
.model.pop { border: 2px solid var(--flame); }
.model-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--flame); color: #fff; font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.06em; padding: 6px 16px; border-radius: 999px; text-transform: uppercase;
}
.model-img { height: 210px; display: flex; align-items: flex-end; justify-content: center; margin-bottom: 26px; }
.model-img img { max-height: 100%; width: auto; filter: drop-shadow(0 18px 24px rgba(22,20,15,0.15)); transition: transform 0.6s var(--ease); }
.model:hover .model-img img { transform: scale(1.05); }
.model h3 { font-size: 26px; font-weight: 500; letter-spacing: -0.02em; }
.model .who { font-size: 14.5px; color: var(--muted); margin-top: 6px; min-height: 44px; }
.model .price { font-family: var(--font-display); font-size: 22px; font-weight: 500; margin-top: 14px; }
.model .btn { margin-top: 18px; width: 100%; padding: 13px; font-size: 15px; }

/* regulator band */
.pair-band {
  margin-top: 26px; background: var(--cream); border-radius: 26px; padding: 34px 44px;
  display: flex; align-items: center; gap: 34px; justify-content: space-between; flex-wrap: wrap;
}
.pair-left { display: flex; align-items: center; gap: 26px; }
.pair-left img { height: 100px; width: auto; filter: drop-shadow(0 12px 16px rgba(22,20,15,0.14)); }
.pair-left h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.02em; }
.pair-left p { font-size: 15px; color: var(--ink-soft); margin-top: 4px; }

/* OEM */
.oem-row { display: flex; justify-content: center; align-items: flex-end; gap: clamp(18px, 3.5vw, 44px); margin-top: clamp(50px, 6vw, 80px); flex-wrap: wrap; }
.oem-cyl { text-align: center; }
.oem-cyl img { height: clamp(180px, 22vw, 280px); width: auto; }
.oem-tag {
  display: inline-block; margin-top: 18px; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 7px 16px; border-radius: 999px;
  background: var(--coal-2); border: 1px solid var(--coal-line); color: #B7B1A4;
}
.oem-tag.you { background: var(--flame); border-color: var(--flame); color: #fff; }
.oem-points { display: flex; justify-content: center; gap: clamp(28px, 5vw, 70px); margin-top: clamp(44px, 5vw, 60px); flex-wrap: wrap; }
.oem-point { text-align: center; }
.oem-point .t { font-family: var(--font-display); font-size: 21px; font-weight: 500; color: #fff; }
.oem-point .s { font-size: 14px; color: #857F72; margin-top: 4px; }
.oem-cta { display: flex; gap: 14px; justify-content: center; margin-top: 44px; }

/* coverage */
.coverage {
  background: var(--cream); border-radius: 30px; padding: clamp(40px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.coverage h2 { letter-spacing: -0.025em; }
.coverage .cities { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.city-pill {
  display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 10px 20px; font-size: 15px; font-weight: 600;
}
.city-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--flame); }
.coverage-right { text-align: center; }
.coverage-right .big { font-family: var(--font-display); font-size: clamp(40px, 5vw, 64px); font-weight: 500; letter-spacing: -0.03em; }
.coverage-right .s { color: var(--ink-soft); font-size: 15px; }

/* FAQ */
.faq-list { max-width: 760px; margin: clamp(36px, 4vw, 54px) auto 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  text-align: left; font-family: var(--font-display); font-size: 19px; font-weight: 500;
  padding: 24px 4px; color: var(--ink); letter-spacing: -0.01em;
}
.faq-q svg { flex-shrink: 0; transition: transform 0.45s var(--ease); }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.55s var(--ease); }
.faq-a p { padding: 0 4px 26px; color: var(--ink-soft); font-size: 16px; max-width: 640px; }

/* footer */
.footer { background: var(--coal); color: #B7B1A4; padding: clamp(70px, 9vw, 110px) 0 40px; overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.02em; }
.footer a { display: block; font-size: 15px; padding: 5px 0; transition: color 0.25s; }
.footer a:hover { color: #fff; }
.footer-brand p { font-size: 15px; max-width: 260px; margin-top: 14px; }
.footer-logo { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: #fff; letter-spacing: -0.02em; }
.footer-logo em { font-style: normal; color: var(--flame); }
.footer-wa {
  display: inline-flex !important; align-items: center; gap: 10px; background: var(--coal-2);
  border: 1px solid var(--coal-line); border-radius: 999px; padding: 12px 22px !important;
  font-weight: 600; color: #fff; margin-top: 4px;
}
.footer-wa:hover { border-color: var(--wa); }
.footer-wordmark {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.04em;
  font-size: clamp(90px, 16vw, 230px); line-height: 0.9; color: #1D1B16; text-align: center;
  margin-top: clamp(50px, 8vw, 90px); user-select: none;
}
.footer-legal { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--coal-line); margin-top: 40px; padding-top: 28px; font-size: 13.5px; color: #6E695E; }

/* whatsapp float */
.wa-float {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 32px rgba(31,168,85,0.4);
  transition: transform 0.45s var(--ease);
}
.wa-float:hover { transform: scale(1.1) rotate(6deg); }

/* ============ SHOP PAGE ============ */
.shop-hero { text-align: center; padding: clamp(60px, 8vw, 100px) 0 clamp(30px, 4vw, 50px); }
.chips { display: flex; gap: 10px; justify-content: center; margin-top: 30px; }
.chip {
  font-size: 15px; font-weight: 600; padding: 11px 24px; border-radius: 999px;
  border: 1.5px solid var(--line); color: var(--ink-soft); background: transparent;
  transition: all 0.35s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; padding-bottom: clamp(80px, 10vw, 130px); }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: 26px; overflow: hidden;
  transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease), opacity 0.4s, scale 0.4s;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-8px); box-shadow: 0 26px 60px rgba(22,20,15,0.12); }
.prod-card.hide { display: none; }
.prod-img { background: var(--cream); height: 280px; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; position: relative; }
.prod-img img { height: 82%; width: auto; margin-bottom: 18px; transition: transform 0.7s var(--ease); filter: drop-shadow(0 16px 20px rgba(22,20,15,0.14)); }
.prod-img img.contain { height: 62%; margin-bottom: auto; margin-top: auto; }
.prod-card:hover .prod-img img { transform: scale(1.06); }
.prod-flag { position: absolute; top: 16px; left: 16px; background: var(--ink); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 6px 13px; border-radius: 999px; }
.prod-meta { padding: 24px 26px 26px; text-align: center; display: flex; flex-direction: column; flex: 1; }
.prod-meta h3 { font-size: 21px; font-weight: 500; letter-spacing: -0.02em; }
.prod-meta .who { font-size: 14px; color: var(--muted); margin-top: 4px; }
.prod-meta .price { font-family: var(--font-display); font-size: 20px; font-weight: 500; margin: 14px 0 16px; }
.prod-meta .btn { margin-top: auto; padding: 12px; font-size: 15px; }
.quiz-tile {
  background: var(--coal); color: #fff; border-radius: 26px; padding: 40px 34px;
  display: flex; flex-direction: column; justify-content: center; text-align: center;
  transition: transform 0.55s var(--ease);
}
.quiz-tile:hover { transform: translateY(-8px); }
.quiz-tile h3 { font-size: 28px; font-weight: 500; letter-spacing: -0.02em; }
.quiz-tile p { color: #857F72; font-size: 15px; margin-top: 10px; }
.quiz-tile .btn { margin: 26px auto 0; }

/* ============ PRODUCT PAGE ============ */
.ribbon {
  position: fixed; top: 0; left: 0; right: 0; z-index: 110;
  background: rgba(250,249,246,0.88); backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(22,20,15,0.08);
  transform: translateY(-100%); transition: transform 0.5s var(--ease);
}
.ribbon.show { transform: translateY(0); }
.ribbon-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; height: 58px; display: flex; align-items: center; justify-content: space-between; }
.ribbon-name { font-family: var(--font-display); font-weight: 500; font-size: 16px; }
.ribbon-right { display: flex; align-items: center; gap: 18px; }
.ribbon-price { font-weight: 600; font-size: 15px; }
.ribbon .btn { padding: 9px 24px; font-size: 14px; }

.pdp { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 90px); padding: clamp(40px, 6vw, 70px) 0 clamp(70px, 8vw, 110px); align-items: start; }
.pdp-gallery { position: sticky; top: 90px; }
.pdp-main {
  background: var(--cream); border-radius: 28px; height: clamp(420px, 44vw, 560px);
  display: flex; align-items: flex-end; justify-content: center; overflow: hidden; position: relative;
}
.pdp-main img { position: absolute; bottom: 30px; height: 84%; width: auto; opacity: 0; transition: opacity 0.5s var(--ease); filter: drop-shadow(0 24px 30px rgba(22,20,15,0.16)); }
.pdp-main img.on { opacity: 1; }
.pdp-thumbs { display: flex; gap: 12px; margin-top: 16px; }
.pdp-swatch {
  width: 46px; height: 46px; border-radius: 50%; border: 3px solid transparent;
  box-shadow: inset 0 0 0 2px var(--paper), 0 3px 10px rgba(22,20,15,0.14);
  transition: transform 0.35s var(--ease), border-color 0.3s;
}
.pdp-swatch:hover { transform: scale(1.1); }
.pdp-swatch.on { border-color: var(--ink); }
.pdp-info .eyebrow { display: block; margin-bottom: 12px; }
.pdp-info h1 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.06; }
.pdp-rating { margin-top: 12px; font-size: 14.5px; color: var(--muted); font-weight: 600; }
.pdp-rating b { color: var(--flame); letter-spacing: 2px; font-weight: 400; }
.pdp-price { font-family: var(--font-display); font-size: 30px; font-weight: 500; margin-top: 22px; }
.pdp-benefits { margin-top: 26px; display: flex; flex-direction: column; gap: 13px; }
.pdp-benefit { display: flex; gap: 13px; align-items: flex-start; font-size: 15.5px; color: var(--ink-soft); }
.pdp-benefit svg { flex-shrink: 0; margin-top: 3px; }
.pdp-benefit b { color: var(--ink); font-weight: 600; }
.pdp-buy { display: flex; gap: 12px; margin-top: 30px; }
.qty { display: flex; align-items: center; border: 1.5px solid var(--line); border-radius: 999px; overflow: hidden; }
.qty button { width: 44px; height: 52px; font-size: 20px; color: var(--ink-soft); transition: background 0.25s; }
.qty button:hover { background: var(--cream); }
.qty span { min-width: 34px; text-align: center; font-weight: 700; font-size: 16px; }
.pdp-buy .btn-flame { flex: 1; }
.pdp-wa { margin-top: 12px; width: 100%; }
.pdp-notes { display: flex; gap: 22px; margin-top: 22px; font-size: 13.5px; color: var(--muted); font-weight: 600; flex-wrap: wrap; }
.pdp-notes span { display: inline-flex; align-items: center; gap: 7px; }

.pdp-details { background: var(--cream); border-radius: 30px; padding: clamp(40px, 5vw, 60px); text-align: center; }
.detail-row { display: flex; justify-content: center; gap: clamp(30px, 6vw, 80px); margin-top: 34px; flex-wrap: wrap; }
.detail { text-align: center; }
.detail .n { font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); font-weight: 500; letter-spacing: -0.02em; }
.detail .l { font-size: 13.5px; color: var(--muted); margin-top: 4px; font-weight: 600; }

.pdp-gas { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.pdp-gas-visual { display: flex; justify-content: center; position: relative; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(36px, 4vw, 50px); }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 120px);
  background: var(--ink); color: #fff; font-size: 15px; font-weight: 600;
  padding: 15px 28px; border-radius: 999px; z-index: 200;
  transition: transform 0.55s var(--ease); box-shadow: 0 16px 44px rgba(22,20,15,0.3);
  display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translate(-50%, 0); }
.toast .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); }

/* ============================================================
   ADDITIONS — Tasks 1-4
   ============================================================ */

/* --- Task 3.3 — scroll progress bar --- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
  background: var(--flame); transform-origin: left center; transform: scaleX(0) translateZ(0);
  will-change: transform; pointer-events: none;
}

/* --- Task 3.1 — hero cylinder float wrappers (inert — float animation removed) --- */
/* Outer .hero-cyl gets GSAP parallax; inner .cyl-float is a transparent size-pass-through.
   It must match parent dimensions so img's height:100% resolves correctly.
   Width is set to max-content so the absolute-positioned .hero-cyl gets natural img width. */
.cyl-float {
  height: 100%; width: max-content;
}


/* --- Task 3.2 — hero headline word spans (fallback visibility) --- */
/* JS writes .hw spans; if JS absent, h1 reads normally */
/* .hw initial state is set inline by JS */

/* --- Task 3.6 — eyebrow underline draw-in ---
   Underline is a fixed 26px accent, never stretches full width.
   Centered in scene heads (default); left-aligned in copy contexts. */
.eyebrow {
  position: relative; display: inline-block;
}
.eyebrow::after {
  content: ""; position: absolute;
  left: 50%; bottom: -6px;
  width: 26px; height: 2px;
  margin-left: -13px;
  background: var(--flame);
  transform: scaleX(0);
  transition: transform 0.7s var(--ease);
}
.eyebrow.underline-in::after { transform: scaleX(1); }
.reduced .eyebrow::after { transform: scaleX(1); }

/* Left-aligned eyebrow contexts — pin underline to text start */
.gas-copy .eyebrow::after,
.finish-copy .eyebrow::after,
.coverage .eyebrow::after,
.pdp-info .eyebrow::after,
.hero-b .eyebrow::after {
  left: 0; margin-left: 0;
}

/* Task 3.4 — images in rv groups also scale in (CSS fallback) */
/* GSAP handles scale: handled in main.js. No extra CSS needed beyond will-change. */
[data-rv] .rv img { will-change: transform; }

/* Task 3.5 — marquee pause on hover: handled by GSAP driveTrack mouseenter/mouseleave */

/* --- Task 2 — two-designs toggle buttons --- */
.design-toggles {
  display: flex; gap: 14px; margin-top: 20px; flex-wrap: wrap;
}
.design-toggle {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 16px 20px; border-radius: 20px; border: 2px solid var(--line);
  background: #fff; color: var(--ink-soft); font-size: 14px; font-weight: 600;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
  cursor: pointer; min-width: 110px;
}
.design-toggle:hover { border-color: var(--ink-soft); transform: translateY(-2px); }
.design-toggle.on { border-color: var(--flame); color: var(--flame); box-shadow: 0 6px 22px rgba(236,126,28,0.18); }
.design-toggle-img { height: 72px; display: flex; align-items: flex-end; justify-content: center; }
.design-toggle-img img { height: 100%; width: auto; filter: drop-shadow(0 8px 12px rgba(22,20,15,0.18)); }
.design-toggle-label { font-size: 13.5px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }

/* sync design toggle "on" with hidden swatch "on" via JS */

/* ---------- lineup 4-column (Task 4) ---------- */
.lineup-grid { grid-template-columns: repeat(4, 1fr); }
.model-img-tall { height: 230px; }

/* ---------- Hero B — split editorial (Task 6) ---------- */
.hero-b {
  overflow: hidden; padding: clamp(60px, 8vw, 110px) 0 0;
}
.hero-b .hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: clamp(30px, 6vw, 80px); max-width: 1200px; margin: 0 auto; padding: 0 40px;
  min-height: clamp(520px, 64vw, 720px);
}
.hero-b .hero-head {
  text-align: left;
}
.hero-b h1 { font-size: clamp(40px, 5.4vw, 76px); }
.hero-b .hero-head .eyebrow { display: block; margin-bottom: 18px; }
.hero-b .hero-sub { margin: 22px 0 0; max-width: 460px; }
.hero-b .hero-ctas { justify-content: flex-start; margin-top: 34px; }
.hero-stats {
  display: flex; gap: 24px; margin-top: 26px; flex-wrap: wrap;
}
.hero-stats span {
  font-size: 13px; font-weight: 600; color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.hero-stats span + span::before {
  content: "·"; margin-right: 24px; color: var(--line);
}
.hero-b .hero-visual {
  position: relative; display: flex; justify-content: center; align-items: flex-end;
  height: clamp(420px, 52vw, 600px);
}
.hero-b .hero-halo {
  position: absolute; top: 48%; left: 50%; transform: translate(-50%, -50%);
  width: 110%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(236,126,28,0.18) 0%, transparent 62%);
  pointer-events: none;
}
.hero-cyl-single {
  position: relative; height: 88%; will-change: transform;
}
.hero-cyl-single .cyl-float { height: 100%; }
.hero-cyl-single img { height: 100%; width: auto; }

/* Hero B chip placement */
.hero-b .hero-chip { position: absolute; }
.hero-b .hero-chip-1 { top: 14%; right: 8%; }

/* ---------- Hero C — night cinematic (Task 6) ---------- */
.hero-c {
  overflow: hidden; padding: clamp(60px, 8vw, 110px) 0 0;
  background: var(--coal); color: #fff;
}
.hero-c .hero-head { text-align: center; position: relative; z-index: 2; }
.hero-c .hero-head .eyebrow { display: block; margin-bottom: 18px; }
.hero-c .hero-sub { margin: 22px auto 0; max-width: 520px; color: #A7A297; }
.hero-c .hero-ctas { display: flex; gap: 14px; justify-content: center; margin-top: 34px; }
.hero-c-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -48%);
  width: min(560px, 80vw); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(236,126,28,0.28) 0%, rgba(236,126,28,0.06) 45%, transparent 70%);
  animation: breathe 5.5s ease-in-out infinite; pointer-events: none;
}
.hero-c .hero-stage {
  position: relative; height: clamp(380px, 48vw, 620px); margin-top: clamp(30px, 5vw, 70px);
  display: flex; align-items: flex-end; justify-content: center;
}
.hero-c .hero-cyl-c { position: absolute; bottom: 0; height: 82%; left: 50%; transform: translateX(-50%); z-index: 3; will-change: transform; }
.hero-c .hero-cyl-c img { height: 100%; width: auto; }
/* Dark-compatible chips for Hero C */
.hero-c .hero-chip {
  background: rgba(25,23,19,0.8); color: #fff;
  border-color: var(--coal-line);
}
.hero-c .hero-chip .dot { background: var(--flame); }

/* ---------- hero switcher pill (review tool, Task 6) ---------- */
.hero-switcher {
  position: fixed; left: 22px; bottom: 22px; z-index: 120;
  display: flex; align-items: center; gap: 4px;
  background: rgba(250,249,246,0.82); backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border: 1px solid rgba(22,20,15,0.1); border-radius: 999px;
  padding: 6px 10px 6px 8px; box-shadow: 0 8px 24px rgba(22,20,15,0.14);
}
.hero-switcher-btn {
  width: 30px; height: 30px; border-radius: 50%; font-size: 12px; font-weight: 700;
  letter-spacing: 0.04em; color: var(--ink-soft); background: transparent;
  transition: background 0.3s, color 0.3s;
}
.hero-switcher-btn:hover { background: var(--cream-deep); color: var(--ink); }
.hero-switcher-btn.active { background: var(--flame); color: #fff; }
.hero-switcher-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-left: 4px; padding-right: 2px;
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .cases-grid, .steps, .shop-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .lineup-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-b .hero-inner { grid-template-columns: 1fr; }
  .hero-b .hero-visual { height: clamp(340px, 44vw, 460px); }
}
@media (max-width: 820px) {
  .wrap { padding: 0 22px; }
  .nav-inner { padding: 0 22px; }
  .nav-links { display: none; }
  .gas-grid, .finish-stage, .pdp, .pdp-gas { grid-template-columns: 1fr; }
  .gas-pin { min-height: auto; padding: 70px 0; }
  .gas-visual { order: -1; }
  .pdp-gallery { position: static; }
  .hero-cyl-l { transform: translateX(-118%); height: 46%; }
  .hero-cyl-r { transform: translateX(46%); height: 62%; }
  .hero-chip-1 { left: 4%; top: 8%; }
  .hero-chip-2 { right: 3%; top: 30%; }
  .hero-ctas { flex-wrap: wrap; padding: 0 20px; }
  .scale-pan-l { left: 0; }
  .scale-pan-r { right: 0; }
  .coverage { flex-direction: column; text-align: center; align-items: center; }
  .coverage .cities { justify-content: center; }
  .hero-b .hero-inner { padding: 0 22px; }
}
@media (max-width: 620px) {
  .hero-head br, .scene-head br { display: none; }
  .cases-grid, .lineup-grid, .steps, .shop-grid, .related-grid { grid-template-columns: 1fr; }
  .case-card { min-height: 400px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .pdp-buy { flex-wrap: wrap; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .announce { font-size: 12px; }
  .swatches { justify-content: flex-start; }
  .wear { aspect-ratio: 4 / 3; }
}