@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

:root {
  --ink: #101316;
  --ink-soft: #1a2024;
  --cream: #f4f0e8;
  --paper: #fbfaf7;
  --mist: #dfe2df;
  --steel: #80929c;
  --red: #a43b2b;
  --red-bright: #c74f3a;
  --line: rgba(16, 19, 22, .16);
  --white-line: rgba(255, 255, 255, .18);
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Manrope, "Noto Sans SC", sans-serif; }
body.dark { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }

.site-header { position: absolute; z-index: 10; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 26px 4.8vw; color: #fff; }
.site-header.light { position: relative; color: var(--ink); background: var(--paper); }
.brand { display: flex; align-items: baseline; gap: 12px; font-weight: 800; letter-spacing: .08em; }
.brand-mark { color: var(--red-bright); font-size: 15px; letter-spacing: .12em; }
.brand-name { font-size: 15px; letter-spacing: .22em; }
.brand-cn { font-size: 12px; font-weight: 500; opacity: .62; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.nav a { opacity: .74; transition: opacity .2s, color .2s; }
.nav a:hover, .nav a.active { opacity: 1; color: var(--red-bright); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.mini-link { font: 500 11px "DM Mono", monospace; letter-spacing: .05em; opacity: .7; }
.menu-toggle { display: none; border: 0; background: transparent; cursor: pointer; padding: 6px; }
.menu-toggle span { display: block; width: 25px; height: 1px; margin: 5px 0; background: currentColor; }

.hero { position: relative; min-height: min(850px, 100vh); display: flex; align-items: flex-end; overflow: hidden; background: var(--ink); color: #fff; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .86; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 11, 14, .94) 0%, rgba(8, 11, 14, .48) 42%, rgba(8, 11, 14, .06) 85%), linear-gradient(0deg, rgba(8, 11, 14, .74), transparent 46%); }
.hero-content { position: relative; z-index: 1; width: min(1180px, 90vw); margin: 0 auto; padding: 0 0 94px; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: var(--red-bright); font: 500 11px "DM Mono", monospace; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; }
.hero h1 { max-width: 780px; margin: 24px 0 20px; font-size: clamp(46px, 7.3vw, 104px); line-height: .95; letter-spacing: -.07em; font-weight: 800; }
.hero h1 em { display: block; color: var(--cream); font-style: normal; }
.hero-sub { max-width: 430px; margin: 0 0 34px; color: rgba(255,255,255,.7); font-size: 15px; line-height: 1.8; }
.hero-rail { position: absolute; right: 5vw; bottom: 90px; z-index: 1; display: flex; align-items: center; gap: 14px; writing-mode: vertical-rl; color: rgba(255,255,255,.62); font: 11px "DM Mono", monospace; letter-spacing: .1em; }
.hero-rail::after { content: ""; width: 1px; height: 76px; background: var(--red-bright); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 46px; padding: 0 20px; border: 1px solid currentColor; border-radius: var(--radius); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; transition: background .2s, color .2s, transform .2s; }
.btn:hover { background: #fff; color: var(--ink); transform: translateY(-2px); }
.btn.primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn.primary:hover { background: var(--red-bright); color: #fff; }
.btn.light { color: #fff; }
.btn.dark { color: var(--ink); }
.btn span:last-child { font-size: 18px; line-height: 0; }

.section { padding: 120px 5vw; }
.section.dark { background: var(--ink); color: var(--paper); }
.section.mist { background: var(--mist); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 48px; }
.section-title { max-width: 650px; margin: 12px 0 0; font-size: clamp(32px, 4.5vw, 66px); line-height: .98; letter-spacing: -.055em; font-weight: 700; }
.section-copy { max-width: 330px; color: rgba(16,19,22,.62); font-size: 13px; line-height: 1.8; }
.dark .section-copy { color: rgba(255,255,255,.58); }
.section-no { color: var(--red); font: 500 11px "DM Mono", monospace; letter-spacing: .1em; }

.sport-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 2px; }
.sport-card { position: relative; min-height: 330px; overflow: hidden; background: #232a2e; color: #fff; }
.sport-card.tall { min-height: 520px; }
.sport-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(145deg, rgba(25,33,36,.14), rgba(11,14,16,.9)); z-index: 1; }
.sport-card:nth-child(2) { background: linear-gradient(140deg, #a3b6bc, #2b3538); }
.sport-card:nth-child(3) { background: linear-gradient(140deg, #c8b6a7, #4d3631); }
.sport-card:nth-child(4) { background: linear-gradient(140deg, #4f6871, #15191b); }
.sport-card:nth-child(5) { background: linear-gradient(140deg, #9a9e93, #252d2b); }
.sport-card .card-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .66; mix-blend-mode: screen; }
.sport-card-content { position: absolute; z-index: 2; inset: auto 26px 24px; }
.sport-card h3 { margin: 0 0 8px; font-size: 26px; letter-spacing: -.04em; }
.sport-card p { margin: 0; color: rgba(255,255,255,.68); font: 11px "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.card-arrow { position: absolute; z-index: 2; top: 24px; right: 25px; color: var(--red-bright); font-size: 24px; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { background: #171c1f; overflow: hidden; }
.product-media { position: relative; aspect-ratio: 1.1; overflow: hidden; background: #282f31; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.product-card:hover .product-media img { transform: scale(1.04); }
.product-tag { position: absolute; top: 14px; left: 14px; padding: 6px 8px; background: var(--red); color: #fff; font: 10px "DM Mono", monospace; letter-spacing: .12em; }
.product-info { padding: 22px 22px 24px; }
.product-info h3 { margin: 0 0 7px; font-size: 21px; letter-spacing: -.04em; }
.product-info p { margin: 0 0 18px; color: rgba(255,255,255,.5); font-size: 12px; line-height: 1.6; }
.product-meta { display: flex; align-items: center; justify-content: space-between; color: var(--red-bright); font: 11px "DM Mono", monospace; letter-spacing: .06em; }

.story { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 630px; background: var(--cream); }
.story-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px 9vw; }
.story-copy .section-title { margin-bottom: 26px; }
.story-copy p { max-width: 420px; color: rgba(16,19,22,.66); font-size: 14px; line-height: 1.9; }
.story-image { position: relative; min-height: 560px; overflow: hidden; background: #1d2528; }
.story-image img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; filter: saturate(.72) contrast(1.04); }
.story-image::after { content: "SG / 01"; position: absolute; right: 28px; bottom: 25px; color: #fff; font: 11px "DM Mono", monospace; letter-spacing: .15em; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--white-line); border-bottom: 1px solid var(--white-line); }
.stat { padding: 28px 20px 28px 0; border-right: 1px solid var(--white-line); }
.stat:not(:first-child) { padding-left: 20px; }
.stat:last-child { border-right: 0; }
.stat strong { display: block; color: var(--cream); font-size: 38px; letter-spacing: -.06em; }
.stat span { display: block; margin-top: 7px; color: rgba(255,255,255,.48); font: 10px "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }

.event-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.event { min-height: 360px; padding: 30px; color: #fff; display: flex; flex-direction: column; justify-content: space-between; background: #273238; }
.event:nth-child(2) { background: var(--red); }
.event small { color: rgba(255,255,255,.62); font: 10px "DM Mono", monospace; letter-spacing: .1em; }
.event h3 { max-width: 360px; margin: 0; font-size: 34px; line-height: 1; letter-spacing: -.055em; }
.event p { max-width: 340px; margin: 0; color: rgba(255,255,255,.7); font-size: 12px; line-height: 1.7; }

.footer { background: var(--ink); color: var(--paper); padding: 62px 5vw 30px; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; padding-bottom: 72px; }
.footer-brand { max-width: 350px; }
.footer-brand h2 { margin: 20px 0 12px; font-size: 32px; letter-spacing: -.05em; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: 12px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(2, 130px); gap: 28px; font-size: 11px; line-height: 2.5; }
.footer-links strong { display: block; color: var(--red-bright); font: 10px "DM Mono", monospace; letter-spacing: .12em; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--white-line); color: rgba(255,255,255,.42); font: 10px "DM Mono", monospace; letter-spacing: .08em; }

.commerce-hero { background: var(--ink); color: #fff; padding: 84px 5vw 40px; }
.commerce-hero-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: .78fr 1.22fr; min-height: 540px; align-items: center; gap: 5vw; }
.commerce-hero h1 { margin: 22px 0 18px; font-size: clamp(42px, 6vw, 86px); line-height: .95; letter-spacing: -.07em; }
.commerce-hero p { max-width: 390px; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.8; }
.commerce-visual { position: relative; align-self: stretch; overflow: hidden; background: #242b2e; }
.commerce-visual img { width: 100%; height: 100%; min-height: 450px; object-fit: cover; object-position: 58% center; opacity: .82; }
.commerce-visual::after { content: "FIELD NOTE / 001"; position: absolute; right: 20px; bottom: 20px; color: rgba(255,255,255,.76); font: 10px "DM Mono", monospace; letter-spacing: .14em; }
.commerce-filter { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 5vw; border-bottom: 1px solid var(--line); font: 11px "DM Mono", monospace; letter-spacing: .08em; }
.filter-links { display: flex; gap: 22px; color: rgba(16,19,22,.54); }
.filter-links a.active { color: var(--red); }
.commerce-main { padding: 66px 5vw 100px; }
.commerce-shell { max-width: 1180px; margin: 0 auto; }
.commerce-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.shop-card { border: 1px solid var(--line); background: #fff; }
.shop-card img { width: 100%; aspect-ratio: 1.18; object-fit: cover; background: var(--mist); }
.shop-card-body { padding: 22px 24px 24px; }
.shop-card-body h2 { margin: 0 0 8px; font-size: 25px; letter-spacing: -.05em; }
.shop-card-body p { margin: 0 0 22px; color: rgba(16,19,22,.58); font-size: 12px; line-height: 1.7; }
.shop-card-line { display: flex; justify-content: space-between; align-items: center; font: 11px "DM Mono", monospace; }
.shop-card-line strong { color: var(--red); font-weight: 500; }

.product-hero { background: var(--ink); color: #fff; padding: 90px 5vw 52px; }
.product-hero-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: .75fr 1.25fr; gap: 5vw; align-items: center; }
.product-hero-copy h1 { max-width: 440px; margin: 22px 0 22px; font-size: clamp(44px, 6vw, 78px); line-height: .92; letter-spacing: -.08em; }
.product-hero-copy p { max-width: 375px; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.8; }
.product-hero-media { position: relative; min-height: 520px; overflow: hidden; background: #283034; }
.product-hero-media img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; object-position: center; }
.product-hero-media::before { content: "NEW / 2026"; position: absolute; z-index: 1; top: 20px; left: 20px; color: var(--red-bright); font: 11px "DM Mono", monospace; letter-spacing: .12em; }
.product-info-band { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; padding: 76px 5vw; background: var(--cream); }
.product-info-band > * { max-width: 510px; }
.product-info-band h2 { margin: 0 0 18px; font-size: clamp(30px, 4vw, 56px); line-height: 1; letter-spacing: -.06em; }
.product-info-band p { color: rgba(16,19,22,.62); font-size: 13px; line-height: 1.9; }
.spec-table { border-top: 1px solid var(--line); }
.spec-row { display: flex; justify-content: space-between; gap: 24px; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.spec-row span:first-child { color: rgba(16,19,22,.52); }
.spec-row span:last-child { font-family: "DM Mono", monospace; }
.detail-visuals { padding: 100px 5vw; background: #fff; }
.detail-visual-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.detail-frame { position: relative; min-height: 420px; padding: 32px; background: var(--ink); color: #fff; overflow: hidden; }
.detail-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .65; }
.detail-frame h3, .detail-frame p { position: relative; z-index: 1; max-width: 320px; }
.detail-frame h3 { margin: 0 0 10px; font-size: 30px; line-height: 1; letter-spacing: -.05em; }
.detail-frame p { color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.7; }
.detail-frame.small { min-height: 200px; background: var(--red); }
.detail-frame.small h3 { font-size: 24px; }
.stack { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
.buy-bar { position: sticky; z-index: 5; bottom: 0; display: flex; align-items: center; justify-content: space-between; padding: 16px 5vw; background: rgba(16,19,22,.94); color: #fff; backdrop-filter: blur(10px); }
.buy-bar span { font-size: 12px; }
.buy-bar strong { margin-left: 10px; color: var(--red-bright); font: 18px "DM Mono", monospace; }

.trust-band { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-item { padding: 28px 24px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-size: 24px; letter-spacing: -.05em; }
.trust-item span { display: block; margin-top: 8px; color: rgba(16,19,22,.54); font: 10px "DM Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.intro-grid { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 620px; background: var(--cream); }
.intro-media { position: relative; min-height: 560px; overflow: hidden; }
.intro-media img { width: 100%; height: 100%; object-fit: cover; }
.intro-media::after { content: "PRODUCT SYSTEM / 01"; position: absolute; left: 28px; bottom: 24px; color: rgba(255,255,255,.82); font: 10px "DM Mono", monospace; letter-spacing: .15em; }
.intro-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px 8vw; }
.intro-copy h2 { max-width: 480px; margin: 18px 0 20px; font-size: clamp(38px, 5vw, 72px); line-height: .95; letter-spacing: -.07em; }
.intro-copy p { max-width: 470px; color: rgba(16,19,22,.62); font-size: 14px; line-height: 1.9; }
.proof-note { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: rgba(16,19,22,.48); font: 10px "DM Mono", monospace; line-height: 1.7; letter-spacing: .04em; }
.category-list { border-top: 1px solid var(--line); }
.category-row { display: grid; grid-template-columns: 1.1fr 1fr auto; align-items: center; gap: 24px; padding: 25px 0; border-bottom: 1px solid var(--line); transition: padding .25s, color .25s; }
.category-row:hover { padding-left: 16px; padding-right: 16px; color: var(--red); }
.category-name { font-size: clamp(24px, 3vw, 42px); font-weight: 700; letter-spacing: -.06em; }
.category-meta { color: rgba(16,19,22,.52); font: 11px "DM Mono", monospace; letter-spacing: .06em; }
.category-arrow { color: var(--red); font-size: 22px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--white-line); }
.process-card { min-height: 235px; padding: 25px; background: var(--ink-soft); }
.process-card strong { display: block; color: var(--red-bright); font: 11px "DM Mono", monospace; letter-spacing: .12em; }
.process-card h3 { margin: 42px 0 10px; color: var(--paper); font-size: 22px; letter-spacing: -.04em; }
.process-card p { margin: 0; color: rgba(255,255,255,.52); font-size: 11px; line-height: 1.7; }
.launch-cta { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; padding: 100px 0 15px; }
.launch-cta h2 { max-width: 650px; margin: 0; font-size: clamp(38px, 5vw, 72px); line-height: .95; letter-spacing: -.07em; }
.launch-cta p { max-width: 320px; margin: 0 0 4px; color: rgba(16,19,22,.58); font-size: 13px; line-height: 1.7; }

.concept-showcase { background: var(--cream); }
.concept-grid { display: grid; grid-template-columns: 1.18fr .82fr; min-height: 520px; background: var(--paper); }
.concept-image { min-height: 420px; overflow: hidden; background: var(--ink); }
.concept-image img { width: 100%; height: 100%; object-fit: cover; }
.concept-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px 7vw; }
.concept-copy h2 { max-width: 480px; margin: 18px 0; font-size: clamp(34px, 4vw, 58px); line-height: .98; letter-spacing: -.06em; }
.concept-copy p { max-width: 420px; color: rgba(16,19,22,.62); font-size: 14px; line-height: 1.9; }
.concept-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 28px; }
.concept-points span { padding: 8px 10px; border: 1px solid var(--line); color: rgba(16,19,22,.62); font: 10px "DM Mono", monospace; letter-spacing: .08em; }
.concept-strip { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center; margin-top: 28px; padding: 18px; background: rgba(255,255,255,.58); }
.concept-strip img { width: 100%; aspect-ratio: 1.5; object-fit: cover; }
.concept-strip h3 { margin: 15px 0 8px; font-size: 26px; letter-spacing: -.04em; }
.concept-strip p { color: rgba(16,19,22,.58); font-size: 12px; line-height: 1.7; }

.reveal { opacity: 1; transform: none; }
.js-reveal .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s, transform .7s; }
.js-reveal .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .site-header { padding: 21px 5vw; }
  .nav { position: absolute; display: none; top: 68px; left: 5vw; right: 5vw; padding: 20px; flex-direction: column; align-items: flex-start; background: rgba(16,19,22,.96); }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .header-actions .mini-link { display: none; }
  .hero { min-height: 720px; }
  .hero-content { padding-bottom: 66px; }
  .hero-rail { display: none; }
  .section { padding: 80px 5vw; }
  .section-head { display: block; margin-bottom: 28px; }
  .section-copy { margin-top: 18px; }
  .sport-grid, .product-grid, .event-grid, .commerce-hero-inner, .product-hero-grid, .product-info-band, .detail-visual-grid { grid-template-columns: 1fr; }
  .trust-band { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(3), .trust-item:nth-child(4) { border-top: 1px solid var(--line); }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-media { min-height: 340px; }
  .intro-copy { padding: 68px 10vw; }
  .category-row { grid-template-columns: 1fr auto; }
  .category-meta { grid-column: 1 / 2; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .launch-cta { display: block; padding-top: 70px; }
  .launch-cta p { margin-top: 24px; }
  .sport-card.tall { min-height: 380px; }
  .sport-card { min-height: 250px; }
  .story { grid-template-columns: 1fr; }
  .story-copy { padding: 72px 10vw; }
  .story-image { min-height: 400px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--white-line); }
  .footer-top { display: block; }
  .footer-links { margin-top: 40px; }
  .commerce-hero { padding-top: 70px; }
  .commerce-hero-inner { min-height: auto; }
  .commerce-hero-copy { padding: 45px 0 10px; }
  .commerce-visual img, .product-hero-media img { min-height: 330px; }
  .product-hero { padding-top: 70px; }
  .product-hero-copy { padding: 45px 0 10px; }
  .buy-bar { gap: 12px; }
  .buy-bar .btn { min-height: 40px; padding: 0 13px; font-size: 10px; }
  .concept-grid, .concept-strip { grid-template-columns: 1fr; }
  .concept-copy { padding: 56px 10vw; }
}