:root {
  --bg: oklch(98% 0.008 248);
  --surface: oklch(96% 0.016 248);
  --surface-2: oklch(92% 0.035 242);
  --text: oklch(20% 0.045 255);
  --text-muted: oklch(49% 0.035 250);
  --accent: oklch(61% 0.155 242);
  --accent-bright: oklch(80% 0.10 230);
  --navy: oklch(24% 0.085 258);
  --border: oklch(86% 0.022 248);
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow: 0 12px 40px rgb(14 45 78 / 8%), 0 4px 12px rgb(14 45 78 / 5%);
  --font-display: "Bahnschrift", "DIN Alternate", "Microsoft YaHei", sans-serif;
  --font-body: "Aptos", "Microsoft YaHei", "Segoe UI", sans-serif;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.aoc-header { position: sticky; top: 0; z-index: 1000; height: 76px; background: rgb(255 255 255 / 92%); border-bottom: 1px solid rgb(229 234 243 / 80%); backdrop-filter: blur(18px); box-shadow: 0 10px 32px rgb(24 45 83 / 5%); }
.aoc-header__inner { width: min(1500px, calc(100% - 64px)); height: 100%; margin-inline: auto; display: grid; grid-template-columns: 150px 1fr 150px; align-items: center; }
.aoc-logo { display: inline-flex; width: 98px; height: 42px; overflow: hidden; align-items: center; background: oklch(99% 0.003 248); }
.aoc-logo img { width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: center; transform: scale(1.03); }
.aoc-nav { display: flex; justify-content: center; align-items: center; gap: clamp(22px, 3vw, 46px); font-size: 14px; font-weight: 650; }
.aoc-nav a, .aoc-actions a { transition: color .2s ease, transform .2s ease; }
.aoc-nav a:hover, .aoc-nav a:focus-visible, .aoc-actions a:hover, .aoc-actions a:focus-visible, .aoc-nav .is-active { color: oklch(54% 0.22 257); }
.aoc-actions { display: flex; justify-content: flex-end; align-items: center; gap: 20px; }
.aoc-actions a { position: relative; width: 24px; height: 24px; display: grid; place-items: center; }
.aoc-actions svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.aoc-cart span { position: absolute; right: -10px; top: -9px; min-width: 18px; height: 18px; padding: 0 4px; display: grid; place-items: center; border-radius: 10px; color: oklch(98% 0.005 248); background: oklch(54% 0.22 257); font-size: 10px; font-weight: 800; }
.aoc-mobile-menu { display: none; }
.aoc-menu-toggle { width: 40px; height: 40px; padding: 9px; border: 0; border-radius: 10px; background: oklch(96% 0.012 248); cursor: pointer; list-style: none; }
.aoc-menu-toggle::-webkit-details-marker { display: none; }
.aoc-menu-toggle > span { display: block; height: 2px; margin: 4px 0; background: var(--text); }
.aoc-mobile-nav { position: fixed; top: 66px; left: 14px; right: 14px; padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: oklch(99% 0.003 248); box-shadow: 0 22px 60px rgb(20 40 75 / 16%); }
.aoc-mobile-nav a { min-height: 48px; padding: 0 12px; display: flex; align-items: center; border-bottom: 1px solid oklch(94% 0.012 248); font-size: 14px; font-weight: 650; }
.aoc-mobile-nav a:last-child { border-bottom: 0; }
.aoc-mobile-nav .is-active { color: oklch(54% 0.22 257); }

.hero { min-height: 680px; height: calc(100svh - 76px); max-height: 920px; position: relative; overflow: hidden; color: oklch(96% 0.012 248); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 52% center; }
.hero-shade { position: absolute; inset: 0; background: rgb(5 25 52 / 46%); }
.hero-copy { position: absolute; left: clamp(24px, 7vw, 112px); bottom: clamp(96px, 13vh, 152px); max-width: 840px; }
.eyebrow, .section-index { margin: 0 0 var(--space-3); font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { color: var(--accent-bright); }
.hero h1 { margin: 0; max-width: 760px; font-family: var(--font-display); font-size: clamp(48px, 5.2vw, 76px); line-height: 1; letter-spacing: -.035em; text-transform: uppercase; }
.hero-copy > p:last-child { max-width: 600px; margin: var(--space-4) 0 0; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.5; color: oklch(96% 0.012 242); text-shadow: 0 2px 12px rgb(4 20 44 / 60%); }
.hero-scroll { position: absolute; right: clamp(24px, 4vw, 64px); bottom: 40px; width: 180px; min-height: 48px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgb(255 255 255 / 60%); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }

.intro, .market, .support { padding: var(--space-8) clamp(24px, 7vw, 112px); }
.section-index { color: var(--accent); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: var(--space-7); align-items: start; }
.intro h2, .brand-copy h2, .market h2 { margin: 0; font-family: var(--font-display); font-size: clamp(42px, 5vw, 72px); line-height: 1.05; letter-spacing: -.03em; text-transform: uppercase; }
.lead-copy { margin: 8px 0 0; color: var(--text-muted); font-size: 21px; line-height: 1.65; }
.fact-line { margin-top: var(--space-7); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { min-height: 196px; padding: var(--space-4) var(--space-3); border-right: 1px solid var(--border); display: flex; flex-direction: column; justify-content: space-between; }
.fact:first-child { padding-left: 0; }
.fact:last-child { border-right: 0; padding-right: 0; }
.fact strong { font-family: var(--font-display); font-size: clamp(40px, 4vw, 64px); line-height: 1; color: var(--navy); }
.fact span { max-width: 176px; color: var(--text-muted); font-size: 14px; line-height: 1.45; }

.brand-section { min-height: 720px; display: grid; grid-template-columns: 1fr 1fr; background: var(--navy); color: oklch(94% 0.012 248); }
.brand-visual { position: relative; overflow: hidden; padding: var(--space-7); display: flex; flex-direction: column; justify-content: flex-end; background: oklch(28% 0.12 252); }
.brand-visual::after { content: ""; position: absolute; width: min(55vw, 640px); height: min(55vw, 640px); border: 1px solid rgb(150 218 255 / 42%); border-radius: 50%; left: -22%; top: -18%; box-shadow: inset 0 0 0 64px rgb(50 145 220 / 6%), inset 0 0 0 128px rgb(50 145 220 / 5%); }
.brand-visual p, .brand-visual span { position: relative; z-index: 1; }
.brand-visual p { margin: 0; font-family: var(--font-display); font-size: clamp(56px, 7vw, 104px); line-height: .82; letter-spacing: -.045em; color: oklch(90% 0.09 226); }
.brand-visual span { margin-top: var(--space-4); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.brand-copy { padding: var(--space-7); align-self: center; }
.brand-copy .section-index { color: var(--accent-bright); }
.brand-copy > p:not(.section-index) { max-width: 620px; margin: var(--space-4) 0 var(--space-5); color: oklch(77% 0.025 245); font-size: 18px; }
.name-rows { border-top: 1px solid rgb(255 255 255 / 18%); }
.name-rows div { min-height: 112px; display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: var(--space-3); border-bottom: 1px solid rgb(255 255 255 / 18%); }
.name-rows span { color: oklch(72% 0.03 245); font-size: 13px; }
.name-rows strong { font-family: var(--font-display); font-size: clamp(20px, 2vw, 28px); font-weight: 600; letter-spacing: .01em; }

.market { background: var(--surface); }
.market-heading { display: grid; grid-template-columns: .6fr 1.4fr; gap: var(--space-6); align-items: start; }
.market-body { margin: var(--space-6) 0 var(--space-7) auto; max-width: 820px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); color: var(--text-muted); font-size: 18px; }
.market-body p { margin: 0; }
.retail-strip { min-height: 128px; display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); align-items: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.retail-strip span { color: var(--text-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.retail-strip strong { height: 100%; display: grid; place-items: center; border-left: 1px solid var(--border); font-family: var(--font-display); font-size: clamp(18px, 2vw, 28px); font-weight: 600; }

.support { display: grid; grid-template-columns: .7fr 1.3fr; gap: var(--space-7); }
.support-kicker > p:last-child { margin: var(--space-7) 0 0; max-width: 440px; font-family: var(--font-display); font-size: clamp(32px, 3.4vw, 48px); line-height: 1.12; letter-spacing: -.025em; text-transform: uppercase; }
.support-points { border-top: 1px solid var(--border); }
.support-points article { min-height: 240px; display: grid; grid-template-columns: 56px minmax(220px, .8fr) 1fr; gap: var(--space-4); align-items: start; padding: var(--space-5) 0; border-bottom: 1px solid var(--border); }
.support-points article > span { color: var(--accent); font-family: var(--font-display); font-size: 12px; }
.support-points h3 { margin: 0; font-family: var(--font-display); font-size: 28px; line-height: 1.2; text-transform: uppercase; }
.support-points p { margin: 0; color: var(--text-muted); }

.contact { padding: var(--space-8) clamp(24px, 7vw, 112px); display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-7); background: var(--navy); color: oklch(94% 0.012 248); }
.contact .section-index { color: var(--accent-bright); }
.contact h2 { margin: 0 0 var(--space-5); font-family: var(--font-display); font-size: clamp(42px, 5vw, 72px); line-height: 1.02; letter-spacing: -.03em; text-transform: uppercase; }
.contact-heading > a { min-height: 52px; display: inline-flex; align-items: center; gap: var(--space-3); border-bottom: 1px solid var(--accent-bright); color: var(--accent-bright); font-weight: 600; }
.contact-directory { border-top: 1px solid rgb(255 255 255 / 18%); }
.channel-row { min-height: 88px; display: grid; grid-template-columns: 140px 1fr; align-items: center; gap: var(--space-3); border-bottom: 1px solid rgb(255 255 255 / 18%); }
.channel-row span { color: oklch(72% 0.03 245); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.channel-row strong { font-family: var(--font-display); font-size: clamp(18px, 2vw, 26px); font-weight: 600; }
.amazon-feature > span { color: oklch(72% 0.03 245); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.amazon-feature { padding: var(--space-5) 0; border-bottom: 1px solid rgb(255 255 255 / 18%); }
.amazon-feature strong { display: block; max-width: 680px; margin-top: var(--space-2); font-family: var(--font-display); font-size: 28px; line-height: 1.2; text-transform: uppercase; }
.amazon-feature p { margin: var(--space-2) 0 0; max-width: 680px; color: oklch(75% 0.026 245); }
.amazon-button { margin-top: var(--space-4); min-height: 56px; padding: 0 var(--space-4); display: inline-flex; align-items: center; justify-content: space-between; gap: var(--space-5); background: oklch(76% 0.17 72); color: oklch(22% 0.05 255); font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.amazon-button:hover, .amazon-button:focus-visible { background: oklch(82% 0.14 72); }

.cta { margin: 0 clamp(24px, 4vw, 64px) var(--space-6); padding: var(--space-7); min-height: 360px; display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; background: var(--accent); color: oklch(98% 0.008 248); }
.cta p { margin: 0; max-width: 940px; font-family: var(--font-display); font-size: clamp(44px, 6vw, 84px); line-height: 1; letter-spacing: -.035em; text-transform: uppercase; }
.cta a { min-height: 52px; display: inline-flex; align-items: center; gap: var(--space-4); border-bottom: 1px solid currentColor; font-weight: 600; }

footer { padding: var(--space-6) clamp(24px, 4vw, 64px); display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: var(--space-5); background: oklch(17% 0.05 258); color: oklch(82% 0.02 245); }
footer > img { width: 96px; height: 44px; object-fit: contain; transform: scale(1.7); }
footer p { margin: 0; }
footer div { display: flex; gap: var(--space-4); font-size: 13px; }

:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 4px; }

@media (max-width: 960px) {
  .aoc-header { height: 66px; }
  .aoc-header__inner { width: min(100% - 28px, 680px); grid-template-columns: 1fr auto auto; gap: 14px; }
  .aoc-logo { width: 90px; height: 38px; }
  .aoc-nav { display: none; }
  .aoc-mobile-menu { display: block; order: 2; }
  .aoc-actions { order: 3; gap: 13px; }
  .account-action { display: none !important; }
  .hero { min-height: 640px; height: calc(100svh - 66px); }
  .intro-grid, .market-heading, .support, .contact { grid-template-columns: 1fr; gap: var(--space-5); }
  .fact-line { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .fact:nth-child(3) { padding-left: 0; }
  .brand-section { grid-template-columns: 1fr; }
  .brand-visual { min-height: 520px; }
  .market-body { max-width: none; }
  .retail-strip { grid-template-columns: 1fr 1fr; }
  .retail-strip span { grid-column: 1 / -1; min-height: 72px; display: flex; align-items: center; }
  .retail-strip strong { min-height: 88px; border-top: 1px solid var(--border); }
  .support-kicker > p:last-child { margin-top: var(--space-4); }
  .contact-heading { max-width: 720px; }
  footer { grid-template-columns: 120px 1fr; }
  footer div { grid-column: 1 / -1; justify-content: space-between; }
}

@media (max-width: 640px) {
  .hero { min-height: 640px; }
  .hero-media { object-position: 60% center; }
  .hero-shade { background: rgb(6 25 51 / 48%); }
  .hero-copy { bottom: 96px; }
  .hero h1 { font-size: clamp(42px, 13vw, 60px); }
  .hero-copy > p:last-child { font-size: 16px; }
  .hero-scroll { width: 120px; bottom: 24px; }
  .intro, .market, .support { padding-top: var(--space-7); padding-bottom: var(--space-7); }
  .intro h2, .brand-copy h2, .market h2 { font-size: clamp(36px, 11vw, 48px); }
  .lead-copy { font-size: 18px; }
  .fact { min-height: 164px; padding: var(--space-3) var(--space-2); }
  .fact strong { font-size: 40px; }
  .fact span { font-size: 12px; }
  .brand-visual, .brand-copy { padding: var(--space-5) var(--space-3); }
  .brand-visual { min-height: 420px; }
  .brand-visual p { font-size: 56px; }
  .name-rows div { grid-template-columns: 1fr; gap: var(--space-1); padding: var(--space-2) 0; }
  .market-body { grid-template-columns: 1fr; gap: var(--space-3); font-size: 16px; }
  .retail-strip strong { font-size: 18px; }
  .support-points article { grid-template-columns: 40px 1fr; min-height: auto; }
  .support-points article p { grid-column: 2; }
  .support-points h3 { font-size: 24px; }
  .contact h2 { font-size: clamp(36px, 11vw, 48px); }
  .channel-row { grid-template-columns: 104px 1fr; min-height: 80px; }
  .channel-row strong { font-size: 18px; overflow-wrap: anywhere; }
  .amazon-feature strong { font-size: 22px; }
  .amazon-button { width: 100%; }
  .cta { margin: 0 var(--space-2) var(--space-2); padding: var(--space-5) var(--space-3); min-height: 320px; }
  .cta p { font-size: 42px; }
  footer { grid-template-columns: 1fr; }
  footer p, footer div { grid-column: auto; }
  footer div { flex-direction: column; gap: var(--space-1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
