/* ============================================================
   FROSTBITE — Inline Hockey Wheels Built for Kids
   Design system: deep ice-black, glacial blue, frost white
   ============================================================ */

:root {
  --ink: #070b10;            /* page background — near-black ice */
  --ink-2: #0c1219;          /* raised surface */
  --ink-3: #121a24;          /* card surface */
  --line: #1d2938;           /* hairline borders */
  --frost: #eaf6fc;          /* primary text — frost white */
  --mist: #93a8ba;           /* secondary text */
  --ice: #6fd3f2;            /* brand ice blue */
  --ice-bright: #a9e7ff;     /* highlight blue */
  --ice-deep: #1e9cd7;       /* saturated accent */
  --glow: rgba(111, 211, 242, .14);
  --danger: #ff7a6b;
  --ok: #7ce8b0;
  --radius: 14px;
  --radius-lg: 22px;
  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  background: var(--ink);
  color: var(--frost);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--ice); text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- type ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .02em;
  text-transform: uppercase;
  line-height: 1.06;
}
h1 { font-size: clamp(2.6rem, 6.2vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3 { font-size: 1.25rem; letter-spacing: .05em; }

.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 700; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ice);
  margin-bottom: 18px;
}
.kicker::before { content: "❄"; font-size: .9rem; }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--mist); max-width: 62ch; }

.hl { color: var(--ice-bright); }

section { padding: 96px 0; position: relative; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head p { margin-top: 18px; }

/* ---------- announcement bar ---------- */
.announce {
  background: linear-gradient(90deg, #0e2f42, #14506e 50%, #0e2f42);
  border-bottom: 1px solid rgba(111,211,242,.25);
  text-align: center; padding: 9px 16px;
  font-size: .86rem; font-weight: 600; letter-spacing: .04em;
  color: var(--ice-bright);
}
.announce strong { color: #fff; }

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 11, 16, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.45rem; letter-spacing: .06em; color: var(--frost);
  display: flex; align-items: center; gap: 10px; text-transform: uppercase;
}
.logo img { width: 36px; height: 36px; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  color: var(--mist); font-size: .92rem; font-weight: 600;
  transition: color .2s;
}
.nav-links a:hover { color: var(--frost); }
.nav-links a.btn-ice, .nav-links a.btn-ice:hover { color: #04202e; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; font-size: 1rem; font-family: var(--font-body);
  padding: 14px 28px; border-radius: 12px; cursor: pointer;
  border: none; transition: transform .15s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn-ice {
  background: #fff;
  color: #0a1520;
}
.btn-ice:hover { transform: translateY(-1px); background: var(--ice-bright); box-shadow: 0 8px 24px rgba(0, 0, 0, .35); }
.btn-ghost {
  background: transparent; color: var(--frost);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ice); color: var(--ice-bright); }
.btn-sm { padding: 10px 20px; font-size: .9rem; }

/* ---------- hero ---------- */
.hero {
  padding: 90px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -20% -10% auto;
  height: 130%;
  background:
    radial-gradient(720px 500px at 78% 38%, rgba(30, 156, 215, .22), transparent 65%),
    radial-gradient(560px 420px at 12% 8%, rgba(111, 211, 242, .10), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 48px; align-items: center; position: relative;
}
.hero h1 .ice-line { color: var(--ice-bright); }
.hero .lead { margin: 26px 0 34px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-price-note { font-size: .92rem; color: var(--mist); margin-top: 16px; }
.hero-price-note s { opacity: .7; }

.hero-visual { position: relative; display: grid; place-items: center; }
.hero-visual .puck-glow {
  position: absolute; width: 86%; aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111,211,242,.22), transparent 62%);
  filter: blur(14px);
}
.hero-wheel {
  width: min(430px, 86%);
  position: relative;
  filter: drop-shadow(0 26px 50px rgba(0, 0, 0, .55));
}
.spin-wheel {
  animation: wheelspin 3.2s linear infinite;
  animation-play-state: paused;
}
.hero-visual:hover .spin-wheel,
.w-card:hover .spin-wheel { animation-play-state: running; }
@keyframes wheelspin { to { transform: rotate(360deg); } }

.hero-badges { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; color: var(--ice-bright);
  background: var(--glow); border: 1px solid rgba(111,211,242,.25);
  padding: 8px 15px; border-radius: 999px;
}

/* ---------- stat strip ---------- */
.stat-strip {
  border-block: 1px solid var(--line);
  background: var(--ink-2);
  padding: 0;
}
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 34px 26px; text-align: center;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat .num {
  font-family: var(--font-display); font-size: 2.3rem;
  color: var(--ice-bright); line-height: 1;
}
.stat .cap { font-size: .85rem; color: var(--mist); margin-top: 8px; }

/* ---------- problem section ---------- */
.problem { background: var(--ink); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.p-card {
  background: var(--ink-3); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: transform .2s, border-color .2s;
}
.p-card:hover { transform: translateY(-4px); border-color: rgba(111,211,242,.4); }
.p-card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 20px;
  background: var(--glow); border: 1px solid rgba(111,211,242,.25);
}
.p-card .icon svg { width: 26px; height: 26px; stroke: var(--ice-bright); }
.p-card h3 { margin-bottom: 12px; }
.p-card p { color: var(--mist); font-size: .97rem; }

/* ---------- science section ---------- */
.science { background: var(--ink-2); border-block: 1px solid var(--line); }
.science-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.science-grid > * { min-width: 0; }
.science-figure {
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 34px;
}
.science-figure figcaption {
  margin-top: 18px; font-size: .85rem; color: var(--mist); text-align: center;
}
.science-points { display: grid; gap: 26px; margin-top: 34px; }
.s-point { display: flex; gap: 18px; }
.s-point .n {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.1rem; color: var(--ice-bright);
  background: var(--glow); border: 1px solid rgba(111,211,242,.3);
}
.s-point h3 { font-size: 1.05rem; margin-bottom: 6px; }
.s-point p { color: var(--mist); font-size: .95rem; }

/* ---------- durometer scale ---------- */
.duro-scale { margin-top: 64px; }
.duro-bar {
  position: relative; height: 18px; border-radius: 999px;
  background: linear-gradient(90deg, #34c7f0, #4aa8dd 35%, #6a7fa8 70%, #8a6a78 100%);
  margin: 60px 0 80px;
}
.duro-tick {
  position: absolute; top: -46px; transform: translateX(-50%);
  text-align: center; font-size: .8rem; color: var(--mist);
}
.duro-tick .t-label {
  font-family: var(--font-display); font-size: 1rem; color: var(--frost); display: block;
}
.duro-tick::after {
  content: ""; position: absolute; left: 50%; top: 40px;
  width: 2px; height: 26px; background: rgba(234,246,252,.5);
}
.duro-tick.fb .t-label { color: var(--ice-bright); }
.duro-tick.below { top: 34px; }
.duro-tick.below::after { top: -16px; height: 16px; }
.duro-ends {
  display: flex; justify-content: space-between;
  font-size: .82rem; color: var(--mist); font-weight: 600;
}

/* ---------- callout (stock-wheel warning) ---------- */
.callout {
  display: flex; gap: 24px; align-items: flex-start;
  margin-top: 56px;
  background: linear-gradient(100deg, rgba(255,122,107,.07), transparent 55%), var(--ink-3);
  border: 1px solid rgba(255,122,107,.32);
  border-radius: var(--radius-lg); padding: 32px 36px;
}
.callout .c-icon {
  flex: none; width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(255,122,107,.1); border: 1px solid rgba(255,122,107,.3);
}
.callout .c-icon svg { width: 26px; height: 26px; stroke: var(--danger); }
.callout h3 { margin-bottom: 10px; }
.callout p { color: var(--mist); font-size: .97rem; }
.callout blockquote {
  margin: 14px 0 0; padding: 14px 20px;
  border-left: 3px solid var(--danger);
  background: var(--ink); border-radius: 8px;
  color: var(--frost); font-size: .95rem; font-style: italic;
}
.callout cite { display: block; margin-top: 8px; color: var(--mist); font-size: .8rem; font-style: normal; }

/* ---------- quote band ---------- */
.quote-band {
  background: var(--ink-2); border-block: 1px solid var(--line);
  padding: 76px 0; text-align: center;
}
.quote-band blockquote {
  font-size: clamp(1.25rem, 2.6vw, 1.8rem); font-weight: 600;
  color: var(--frost); max-width: 840px; margin: 0 auto; line-height: 1.45;
}
.quote-band .qmark { color: var(--ice); font-family: var(--font-display); font-size: 2.8rem; display: block; line-height: 1; }
.quote-band cite { display: block; margin-top: 18px; color: var(--mist); font-style: normal; font-size: .9rem; }
.quote-band .progression {
  margin-top: 30px; color: var(--ice-bright); font-weight: 700;
  letter-spacing: .08em; font-size: .88rem; text-transform: uppercase;
}
.quote-band .progression span { color: var(--mist); margin: 0 10px; }

/* ---------- gap figure ---------- */
.gap-figure {
  margin-top: 72px;
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 38px 34px 26px;
}
.gap-figure h3 { margin-bottom: 8px; }
.gap-figure .sub { color: var(--mist); font-size: .95rem; margin-bottom: 22px; max-width: 70ch; }
.gap-figure figcaption { font-size: .8rem; color: #8093a6; margin-top: 12px; text-align: center; }

/* ---------- confirm order dialog ---------- */
.confirm-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 8, 12, .8);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
/* display:flex above would otherwise override the hidden attribute */
.confirm-overlay[hidden] { display: none; }
.confirm-card {
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  background: var(--ink-3); border: 1px solid rgba(111,211,242,.35);
  border-radius: 22px; padding: 34px 32px;
  box-shadow: 0 40px 100px rgba(0,0,0,.6);
}
.confirm-card h3 { margin-bottom: 20px; font-size: 1.5rem; }
.confirm-summary { margin-bottom: 22px; }
.confirm-summary > div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.confirm-summary dt { color: var(--mist); font-size: .9rem; }
.confirm-summary dd { color: var(--frost); font-weight: 600; text-align: right; }
.confirm-summary .c-total dd { color: var(--ice-bright); font-size: 1.1rem; }
.confirm-summary .save { color: var(--ok); font-weight: 600; font-size: .85rem; }
#confirm-form { display: flex; flex-direction: column; gap: 12px; }
#confirm-form input {
  padding: 14px 18px; border-radius: 12px;
  background: var(--ink); border: 1.5px solid var(--line);
  color: var(--frost); font-size: 1rem; font-family: var(--font-body);
}
#confirm-form input:focus { border-color: var(--ice); outline: none; }
.confirm-actions { display: flex; gap: 12px; justify-content: space-between; flex-wrap: wrap; margin-top: 6px; }
.confirm-success { margin-top: 8px; color: var(--ok); }
.confirm-success p:first-child { font-size: 1.05rem; }
@media (max-width: 600px) {
  .confirm-card { padding: 26px 20px; }
  .confirm-actions { flex-direction: column-reverse; }
  .confirm-actions .btn { width: 100%; }
}

/* ---------- misc ---------- */
.src-note { font-size: .78rem; color: #8093a6; margin-top: 24px; }
.cmp-note { font-size: .8rem; color: #8093a6; margin-top: 14px; }
.grid-cta { text-align: center; margin-top: 44px; }
.grid-cta-note { display: block; margin-top: 12px; font-size: .85rem; color: var(--mist); }
.reserve-promise { font-size: .95rem; color: var(--mist); margin-bottom: 18px; }
.reserve-promise strong { color: var(--frost); }
.form-error {
  display: none; margin-top: 18px; font-weight: 700; color: var(--danger);
}
.founder-note {
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: .9rem; color: var(--mist); font-style: italic;
}
.faq-h { margin: 0; font-size: inherit; font-family: inherit; text-transform: none; letter-spacing: 0; }
.linklike {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--ice); font: inherit; text-decoration: underline;
}
.linklike:hover { color: var(--ice-bright); }
#square-pay .form-note { margin-top: 12px; }

/* ---------- wholesale ---------- */
.wholesale { background: var(--ink-2); border-block: 1px solid var(--line); }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tier-card {
  position: relative;
  background: var(--ink-3); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px 28px;
  text-align: center;
  transition: transform .2s, border-color .2s;
}
.tier-card:hover { transform: translateY(-4px); border-color: rgba(111,211,242,.4); }
.tier-card .w-tag { top: -13px; right: auto; left: 50%; transform: translateX(-50%); }
.tier-card.featured { border-color: rgba(111,211,242,.45); background: linear-gradient(180deg, #12202c, var(--ink-3) 55%); }
.tier-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.tier-qty { font-size: .85rem; font-weight: 700; color: var(--ice); letter-spacing: .08em; text-transform: uppercase; }
.tier-price {
  font-family: var(--font-display); font-size: 2.9rem; color: var(--frost);
  line-height: 1.1; margin: 14px 0 4px;
}
.tier-price sup { font-size: .5em; color: var(--ice-bright); }
.tier-price small { font-size: .95rem; color: var(--mist); font-family: var(--font-body); letter-spacing: 0; }
.tier-margin { font-size: .82rem; color: var(--ok); font-weight: 600; margin-bottom: 14px; }
.tier-card p { color: var(--mist); font-size: .93rem; }

/* ---------- mix chart ---------- */
.mix-block { margin-top: 72px; }
.mix-title { margin-bottom: 12px; }
.mix-sub { color: var(--mist); max-width: 72ch; margin-bottom: 22px; }
.mix-legend {
  display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 18px;
  font-size: .88rem; color: var(--mist); font-weight: 600;
}
.mix-legend span { display: inline-flex; align-items: center; gap: 9px; }
.dot {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  font-style: normal; font-weight: 700; font-size: .78rem;
  flex: none;
}
.d64 { background: #a9e7ff; color: #062536; }
.d68 { background: #6fc4e8; color: #04202e; }
.d72 { background: #3f9fd4; color: #04202e; }
.d76 { background: #17557d; color: #dff3fc; }
.mix-dots { display: inline-flex; gap: 7px; }
.perf { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 12px; }
.perf-item { display: inline-flex; align-items: center; gap: 8px; }
.perf-item i {
  font-style: normal; font-size: .7rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: #8093a6;
}
.meter { display: inline-flex; gap: 3px; }
.meter b {
  width: 7px; height: 7px; border-radius: 50%;
  background: #2a3a4d; display: inline-block;
}
.meter b.on { background: var(--ice); }
table.mix { min-width: 720px; }
.mix tbody td:first-child { white-space: nowrap; }
.mix td:nth-child(3) { white-space: nowrap; }

/* ---------- wheel / product ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.w-card {
  background: var(--ink-3); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px;
  display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s, box-shadow .25s;
  position: relative;
}
.w-card:hover {
  transform: translateY(-6px);
  border-color: rgba(111,211,242,.5);
  box-shadow: 0 24px 60px rgba(0,0,0,.45), 0 0 0 1px rgba(111,211,242,.15);
}
.w-card.flagship { border-color: rgba(111,211,242,.45); background: linear-gradient(180deg, #12202c, var(--ink-3) 55%); }
.w-tag {
  position: absolute; top: 18px; right: 18px; z-index: 1;
  font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: #05202c; background: var(--ice-bright);
  padding: 5px 12px; border-radius: 8px;
}
.w-img { width: 76%; margin: 8px auto 20px; filter: drop-shadow(0 14px 28px rgba(0,0,0,.45)); }
.w-duro {
  font-family: var(--font-display); font-size: 2.4rem; color: var(--ice-bright);
  line-height: 1;
}
.w-duro small { font-size: 1.1rem; color: var(--mist); letter-spacing: .08em; }
.w-name { font-size: 1.05rem; margin: 8px 0 4px; }
.w-for { font-size: .85rem; font-weight: 700; color: var(--ice); letter-spacing: .06em; text-transform: uppercase; }
.w-desc { color: var(--mist); font-size: .93rem; margin: 14px 0 20px; flex: 1; }
.w-meta {
  display: flex; gap: 14px; font-size: .8rem; color: var(--mist);
  border-top: 1px solid var(--line); padding-top: 16px;
}
.w-meta b { color: var(--frost); }

/* ---------- comparison table ---------- */
.compare { background: var(--ink-2); border-block: 1px solid var(--line); }
.compare-scroll { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--line); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 680px; background: var(--ink-3); }
.cmp th, .cmp td { padding: 18px 22px; text-align: left; font-size: .95rem; }
.cmp thead th {
  font-family: var(--font-display); font-weight: 400; letter-spacing: .06em;
  text-transform: uppercase; font-size: .95rem;
  border-bottom: 1px solid var(--line); color: var(--mist);
}
.cmp thead th.fb-col { color: var(--ice-bright); background: rgba(111,211,242,.06); }
.cmp tbody td { border-bottom: 1px solid var(--line); color: var(--mist); }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp tbody td:first-child { color: var(--frost); font-weight: 600; }
.cmp td.fb-col { background: rgba(111,211,242,.06); color: var(--frost); }
.cmp .yes { color: var(--ok); font-weight: 700; }
.cmp .no { color: var(--danger); font-weight: 700; }

/* ---------- pricing / presale ---------- */
.presale { position: relative; overflow: hidden; }
.presale::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(700px 420px at 50% 0%, rgba(30,156,215,.16), transparent 70%);
  pointer-events: none;
}
.price-box {
  max-width: 860px; margin: 0 auto;
  background: linear-gradient(180deg, #10202e, var(--ink-3) 70%);
  border: 1px solid rgba(111,211,242,.35);
  border-radius: 28px; padding: 54px 48px;
  text-align: center; position: relative;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.price-pill {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ice-bright);
  background: transparent; border: 1px solid rgba(111,211,242,.45);
  padding: 7px 18px; border-radius: 8px; margin-bottom: 22px;
}
.price-row {
  display: flex; align-items: baseline; justify-content: center; gap: 18px;
  margin: 10px 0 6px;
}
.price-now {
  font-family: var(--font-display); font-size: clamp(3.4rem, 8vw, 5.4rem);
  color: var(--frost); line-height: 1;
}
.price-now sup { font-size: .45em; color: var(--ice-bright); }
.price-was { font-size: 1.4rem; color: var(--mist); text-decoration: line-through; }
.per-wheel { color: var(--mist); font-size: .95rem; margin-bottom: 30px; }
.save-flag { color: var(--ok); font-weight: 700; }

.set-calc {
  margin: 30px 0 34px;
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px 26px;
  text-align: center;
}
.set-calc label { display: block; font-size: .9rem; color: var(--mist); font-weight: 600; margin-bottom: 10px; }
.ob-row { margin-bottom: 20px; }
.ob-row .qty-btns { justify-content: center; flex-wrap: wrap; }
.ob-hint { font-size: .78rem; color: #8093a6; margin-top: 8px; }
.size-help { font-size: .84rem; color: var(--mist); margin-top: 16px; }
.qty-btns { display: flex; gap: 8px; }
.qty-btn {
  min-width: 46px; padding: 9px 13px; border-radius: 10px; cursor: pointer;
  background: var(--ink-3); color: var(--frost);
  border: 1.5px solid var(--line);
  font-weight: 700; font-size: .95rem; transition: all .15s;
}
.qty-btn.active, .qty-btn:hover { border-color: var(--ice); color: var(--ice-bright); }
.calc-out { font-size: 1rem; color: var(--mist); }
.calc-out b { color: var(--frost); font-size: 1.25rem; }
.calc-out .save { color: var(--ok); font-weight: 700; }

.presale-form { display: flex; flex-direction: column; gap: 12px; max-width: 560px; margin: 0 auto; }
.presale-form .email-row { display: flex; gap: 12px; }
.presale-form .email-row input { flex: 1; }
.presale-form input {
  flex: 1; padding: 15px 20px; border-radius: 999px;
  background: var(--ink); border: 1.5px solid var(--line);
  color: var(--frost); font-size: 1rem; font-family: var(--font-body);
  outline: none; transition: border-color .2s;
}
.presale-form input:focus { border-color: var(--ice); }
.form-note { font-size: .82rem; color: var(--mist); margin-top: 16px; }
.form-success {
  display: none; margin-top: 18px; font-weight: 700; color: var(--ok);
}

/* ---------- bearings cross-sell ---------- */
.bearings { background: var(--ink-2); border-block: 1px solid var(--line); }
.bearings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.bearings img { border-radius: var(--radius-lg); border: 1px solid var(--line); }
.bearing-feats { display: grid; gap: 14px; margin: 26px 0 32px; }
.bearing-feats li {
  list-style: none; display: flex; gap: 12px; align-items: baseline;
  color: var(--mist); font-size: .97rem;
}
.bearing-feats li::before { content: "❄"; color: var(--ice); font-size: .85rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 4px; text-align: left;
  color: var(--frost); font-size: 1.06rem; font-weight: 600; font-family: var(--font-body);
}
.faq-q .chev { transition: transform .25s; color: var(--ice); flex: none; }
.faq-item.open .chev { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
  color: var(--mist); font-size: .97rem;
}
.faq-a-inner { padding: 0 4px 26px; max-width: 68ch; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line); padding: 54px 0 40px;
  background: var(--ink-2);
}
.foot-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.foot-note { color: var(--mist); font-size: .85rem; }

/* ---------- reveal animation (only when JS is running) ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- accessibility ---------- */
:focus-visible { outline: 2px solid var(--ice); outline-offset: 2px; }
.presale-form input:focus-visible { outline: 2px solid var(--ice); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- mobile scroll helpers ---------- */
.fig-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.swipe-hint {
  display: none; text-align: center;
  font-size: .74rem; font-weight: 700; letter-spacing: .12em;
  color: var(--ice); text-transform: uppercase; margin-top: 10px;
}

@media (max-width: 700px) {
  /* keep chart text legible: figures scroll instead of shrinking */
  .fig-scroll { margin-inline: -6px; padding-inline: 6px; }
  .gap-figure .fig-scroll svg { min-width: 620px; }
  .science-figure .fig-scroll svg { min-width: 460px; }
  .duro-inner { min-width: 580px; }
  .swipe-hint { display: block; }

  /* mix chart: stacked recipe cards instead of a sideways table */
  .mix-scroll { overflow-x: visible; border: none; border-radius: 0; }
  table.mix { min-width: 0; display: block; background: none; }
  .mix thead { display: none; }
  .mix tbody, .mix tr, .mix td { display: block; width: 100%; box-sizing: border-box; }
  .mix tr {
    background: var(--ink-3); border: 1px solid var(--line);
    border-radius: 14px; padding: 18px 18px 10px; margin-bottom: 14px;
  }
  .mix td { border: none !important; padding: 0 0 12px !important; }
  .mix td[data-label]::before {
    content: attr(data-label); display: block;
    font-size: .68rem; font-weight: 700; letter-spacing: .12em;
    text-transform: uppercase; color: var(--ice); margin-bottom: 4px;
  }
  .mix td:first-child::before { display: none; }
  .mix tbody td:first-child {
    font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .04em;
    text-transform: uppercase; color: var(--frost);
  }

  /* callout: stack icon above text */
  .callout { flex-direction: column; gap: 14px; }

  /* tap targets */
  .qty-btn { padding: 12px 16px; min-height: 44px; }
  .nav-links a:not(.btn) { padding: 8px 2px; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  section { padding: 72px 0; }
  .hero-grid, .science-grid, .bearings-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-wheel { width: min(300px, 70%); }
  .product-grid, .problem-grid, .tier-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  header.nav { position: static; }
  .nav-inner { flex-wrap: wrap; height: auto; padding: 10px 0; row-gap: 8px; }
  .nav-links { flex-wrap: wrap; gap: 14px 18px; width: 100%; justify-content: flex-start; align-items: center; }
  .nav-links a:not(.btn) { font-size: .84rem; }
  .nav-links .btn-sm { padding: 8px 14px; font-size: .8rem; margin-left: auto; }
  .presale-form { flex-direction: column; }
  .price-box { padding: 40px 26px; }
  .announce { font-size: .78rem; }
  .set-calc { padding: 18px 14px; }
  .qty-btns { flex-wrap: wrap; justify-content: center; }
  .presale-form .email-row { flex-direction: column; }
  .duro-tick { font-size: .68rem; }
  .duro-tick .t-label { font-size: .85rem; }
  .duro-tick:first-child { left: 10% !important; }
  .compare-scroll { border-radius: var(--radius); }
}