/* SWCCHK — sporty dark site */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 0.5rem + 9vw, 9.5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem; --space-5: 1.25rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;
  --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --font-display: 'Big Shoulders Display', 'Noto Sans TC', Impact, sans-serif;
  --font-body: 'Satoshi', 'Noto Sans TC', 'Helvetica Neue', Arial, sans-serif;
  --font-zh: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;

  --radius: 4px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --wrap: 1280px;
}

[data-theme='dark'] {
  --bg: #0b0b0c;
  --surface: #141416;
  --surface-2: #1b1b1e;
  --border: #2a2a2e;
  --text: #f3f1ec;
  --muted: #a3a19b;
  --faint: #6a6964;
  --accent: #ff3d2e;
  --accent-ink: #0b0b0c;
  --accent-soft: rgba(255, 61, 46, 0.14);
  --overlay: rgba(8, 8, 9, 0.62);
}
[data-theme='light'] {
  --bg: #f2f0ea;
  --surface: #ffffff;
  --surface-2: #e9e6de;
  --border: #d6d2c8;
  --text: #121212;
  --muted: #55534e;
  --faint: #8d8a83;
  --accent: #d92b1d;
  --accent-ink: #ffffff;
  --accent-soft: rgba(217, 43, 29, 0.1);
  --overlay: rgba(8, 8, 9, 0.6);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: var(--text-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* language switching */
html[data-lang='en'] [data-l='zh'] { display: none !important; }
html[data-lang='zh'] [data-l='en'] { display: none !important; }
html[data-lang='zh'] body { font-family: var(--font-zh); }
[lang='zh-Hant'] { font-family: var(--font-zh); letter-spacing: .02em; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: var(--space-2) var(--space-4); z-index: 100; }
.skip:focus { left: var(--space-4); top: var(--space-4); }

.wrap { width: min(100% - 2 * clamp(var(--space-4), 4vw, var(--space-12)), var(--wrap)); margin-inline: auto; }

/* ---------- header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled { background: color-mix(in srgb, var(--bg) 88%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--border); }
.header.is-hidden { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; gap: var(--space-6); padding: var(--space-4) clamp(var(--space-4), 4vw, var(--space-12)); max-width: calc(var(--wrap) + 8rem); margin-inline: auto; }
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: #fff; }
.header.is-scrolled .brand, [data-theme='light'] .header.is-scrolled .brand { color: var(--text); }
.logo-mark { width: 56px; height: 56px; flex: none; display: block; position: relative; }
.logo-mark img { width: 100%; height: 100%; object-fit: contain; }
.logo-b { display: none; }
[data-theme='light'] .header.is-scrolled .logo-w, [data-theme='light'] .footer .logo-w, [data-theme='light'] body.menu-open .header .logo-w { display: none; }
[data-theme='light'] .header.is-scrolled .logo-b, [data-theme='light'] .footer .logo-b, [data-theme='light'] body.menu-open .header .logo-b { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-weight: 900; font-size: 1.45rem; letter-spacing: .04em; }
.brand-text small { font-size: .72rem; color: inherit; opacity: .7; letter-spacing: .02em; }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: var(--space-1); }
.nav a {
  display: block; padding: var(--space-2) var(--space-3); text-decoration: none; font-size: var(--text-sm); font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: #fff; opacity: .82; position: relative; transition: opacity .2s;
}
.header.is-scrolled .nav a { color: var(--text); }
.nav a::after { content: ''; position: absolute; left: var(--space-3); right: var(--space-3); bottom: 2px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav a:hover, .nav a.is-active { opacity: 1; }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.header-tools { display: flex; align-items: center; gap: var(--space-2); }
.pill-btn {
  border: 1.5px solid currentColor; background: transparent; border-radius: 999px; padding: .35rem .9rem;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; color: #fff; min-height: 36px;
  transition: background-color .2s, color .2s;
}
.pill-btn:hover { background: #fff; color: #0b0b0c; }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border: 0; background: transparent; color: #fff; border-radius: 999px; transition: background-color .2s; }
.icon-btn:hover { background: rgba(255, 255, 255, .12); }
.icon-btn svg { width: 20px; height: 20px; }
.header.is-scrolled .pill-btn, .header.is-scrolled .icon-btn { color: var(--text); }
.header.is-scrolled .pill-btn:hover { background: var(--text); color: var(--bg); }
[data-theme='dark'] .i-moon, [data-theme='light'] .i-sun { display: none; }
.menu-btn { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 48px; padding: 0 var(--space-6);
  font-weight: 800; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .08em; text-decoration: none;
  border-radius: var(--radius); border: 2px solid transparent; transition: transform .2s var(--ease), background-color .2s, color .2s, border-color .2s;
}
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%); padding-right: calc(var(--space-6) + 8px); }
.btn-primary:hover { background: #fff; color: #0b0b0c; }
.btn-ghost { border-color: currentColor; background: transparent; }
.btn-ghost:hover { background: var(--text); color: var(--bg); border-color: var(--text); }
.hero .btn-ghost { color: #fff; }
.hero .btn-ghost:hover { background: #fff; color: #0b0b0c; border-color: #fff; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; opacity: 0; transform: scale(1.06); transition: opacity 1.4s var(--ease), transform 7s linear; }
.hero-bg img.is-on { opacity: 1; transform: scale(1); }
.hero-dots { position: absolute; left: 50%; bottom: var(--space-8); transform: translateX(-50%); display: flex; gap: var(--space-2); z-index: 2; }
.hero-dots button { width: 36px; height: 4px; border: 0; padding: 0; background: rgba(255,255,255,.35); border-radius: 2px; transition: background-color .3s; }
.hero-dots button.is-on { background: var(--accent); }
.hero-dots button::before { content: ''; display: block; height: 24px; margin-top: -10px; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(180deg, rgba(8,8,9,.55) 0%, rgba(8,8,9,.15) 35%, rgba(8,8,9,.75) 72%, rgba(8,8,9,.96) 100%),
  linear-gradient(90deg, rgba(8,8,9,.7) 0%, rgba(8,8,9,0) 60%); }
.hero-grain { position: absolute; inset: 0; z-index: -1; opacity: .18; pointer-events: none;
  background-image: repeating-linear-gradient(115deg, transparent 0 22px, rgba(255,255,255,.05) 22px 23px); }
.hero-inner { width: min(100% - 2 * clamp(var(--space-4), 4vw, var(--space-12)), var(--wrap)); margin: 0 auto; padding: var(--space-32) 0 clamp(var(--space-12), 8vw, var(--space-20)); }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--text-xs); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; margin-bottom: var(--space-6); }
.eyebrow::before { content: ''; width: 36px; height: 3px; background: var(--accent); }
.hero-title { font-family: var(--font-display); font-weight: 900; font-size: var(--text-hero); line-height: .86; text-transform: uppercase; letter-spacing: -.005em; }
.hero-title [lang='zh-Hant'] { font-family: var(--font-zh); font-weight: 900; line-height: 1.05; letter-spacing: .02em; font-size: .78em; }
.hero-title .line { display: block; overflow: hidden; }
.hero-title em { font-style: normal; color: var(--accent); }
.hero-title > span > .line { animation: rise .9s var(--ease) both; }
.hero-title > span > .line:nth-child(2) { animation-delay: .12s; }
@keyframes rise { from { transform: translateY(40%); opacity: 0; } to { transform: none; opacity: 1; } }
.hero-lede { max-width: 54ch; margin-top: var(--space-8); font-size: var(--text-base); color: rgba(255,255,255,.86); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-side { position: absolute; right: clamp(var(--space-4), 3vw, var(--space-10)); bottom: var(--space-20); writing-mode: vertical-rl; font-size: var(--text-xs); letter-spacing: .2em; text-transform: uppercase; opacity: .6; }

/* ---------- marquee ---------- */
.marquee { background: var(--accent); color: #fff; overflow: hidden; border-block: 2px solid var(--accent); transform: skewY(-1.2deg); margin-block: calc(-1 * var(--space-4)) 0; position: relative; z-index: 2; }
.marquee-track { display: flex; width: max-content; gap: var(--space-6); padding: var(--space-3) 0; animation: marquee 34s linear infinite; }
.marquee-track li { font-family: var(--font-display); font-weight: 900; font-size: var(--text-xl); text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; display: flex; align-items: center; }
.marquee-track li [lang='zh-Hant'] { font-family: var(--font-zh); font-size: .8em; }
.marquee-track .dot { font-size: var(--text-sm); opacity: .7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.kicker { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--text-xs); font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-4); }
.kicker::before { content: ''; width: 20px; height: 3px; background: currentColor; }
.section-title { font-family: var(--font-display); font-weight: 900; font-size: var(--text-3xl); line-height: .95; text-transform: uppercase; letter-spacing: 0; max-width: 18ch; }
.section-title [lang='zh-Hant'] { font-family: var(--font-zh); font-weight: 900; font-size: .72em; line-height: 1.2; }
.section-head { margin-bottom: clamp(var(--space-8), 5vw, var(--space-16)); }
.section-head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }
.section-lede { color: var(--muted); max-width: 52ch; margin-top: var(--space-5); }

/* stats */
.stats-band { padding-block: clamp(var(--space-16), 8vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-20)); border-bottom: 1px solid var(--border); }
.stats-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-10); }
.stats-head .kicker { margin: 0; }
.stats-note { color: var(--muted); font-size: var(--text-sm); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); }
.stat { padding: var(--space-8) var(--space-6) 0 0; border-right: 1px solid var(--border); }
.stat + .stat { padding-left: var(--space-6); }
.stat:last-child { border-right: 0; }
.stat-num { font-family: var(--font-display); font-weight: 900; font-size: clamp(4rem, 2rem + 6vw, 8rem); line-height: .85; color: var(--text); font-variant-numeric: tabular-nums; }
.stat:nth-child(odd) .stat-num { color: var(--accent); }
.stat-label { font-weight: 800; text-transform: uppercase; letter-spacing: .06em; margin-top: var(--space-4); font-size: var(--text-sm); }
.stat-desc { color: var(--muted); font-size: var(--text-sm); margin-top: var(--space-2); max-width: 26ch; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-24)); align-items: center; }
.about-copy > p { color: var(--muted); margin-top: var(--space-6); max-width: 58ch; }
.mission { margin-top: var(--space-10); padding: var(--space-8); background: var(--surface); border-left: 4px solid var(--accent); position: relative; }
.mission-label { display: block; font-size: var(--text-xs); font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-3); }
.mission p { font-size: var(--text-lg); font-weight: 700; line-height: 1.4; }
.about-media { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); grid-template-rows: auto auto; }
.fig { overflow: hidden; border-radius: var(--radius); background: var(--surface-2); }
.fig img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.fig:hover img { transform: scale(1.04); }
.fig-a { grid-column: 1 / 6; grid-row: 1; aspect-ratio: 4 / 3; }
.fig-b { grid-column: 3 / 7; grid-row: 2; aspect-ratio: 4 / 3; margin-top: -22%; border: 6px solid var(--bg); box-sizing: content-box; }

/* what */
.what { background: var(--surface); }
.what-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); counter-reset: w; }
.what-item { padding-top: var(--space-6); border-top: 3px solid var(--text); counter-increment: w; }
.what-item::before { content: '0' counter(w); display: block; font-family: var(--font-display); font-weight: 900; font-size: var(--text-xl); color: var(--accent); margin-bottom: var(--space-4); }
.what-item h3 { font-size: var(--text-lg); font-weight: 800; margin-bottom: var(--space-3); line-height: 1.25; }
.what-item p { color: var(--muted); font-size: var(--text-sm); }

/* news */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.news-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .3s var(--ease), border-color .3s; }
.news-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.news-media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--surface-2); }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.news-card:hover .news-media img { transform: scale(1.05); }
.news-body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); }
.news-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); font-size: var(--text-xs); color: var(--muted); font-weight: 600; }
.tag { background: var(--accent); color: #fff; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: .2rem .6rem; border-radius: 2px; font-size: .75rem; }
.news-body h3 { font-size: var(--text-lg); font-weight: 800; line-height: 1.25; }
.news-venue { font-size: var(--text-xs); font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; }
.news-body p:last-child { color: var(--muted); font-size: var(--text-sm); }
.news-card--feature { grid-column: span 2; grid-row: span 2; }
.news-card--feature .news-media { aspect-ratio: auto; flex: 1; min-height: 320px; position: relative; }
.news-card--feature .news-media img { position: absolute; inset: 0; object-position: 50% 62%; }
.news-card--feature h3 { font-size: var(--text-xl); }
.all-activities { margin-top: var(--space-10); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 760px; }
th { text-align: left; background: var(--accent); color: #fff; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: var(--text-xs); padding: var(--space-3) var(--space-4); }
td { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--border); vertical-align: top; }
tbody tr:nth-child(even) td { background: var(--surface); }
.td-date { font-weight: 800; white-space: nowrap; color: var(--accent); }
.td-venue { color: var(--muted); }
.td-num { white-space: nowrap; font-weight: 700; }

/* full-bleed */
.fullbleed { position: relative; height: clamp(320px, 62vw, 720px); overflow: hidden; color: #fff; }
.fullbleed img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.fullbleed::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,8,9,.85), rgba(8,8,9,.15) 60%); }
.fullbleed-text { position: absolute; left: 0; right: 0; bottom: clamp(var(--space-8), 5vw, var(--space-16)); z-index: 1; width: min(100% - 2 * clamp(var(--space-4), 4vw, var(--space-12)), var(--wrap)); margin-inline: auto; }
.fullbleed-text p { font-family: var(--font-display); font-weight: 900; font-size: var(--text-3xl); text-transform: uppercase; line-height: .95; }
.fullbleed-text [lang='zh-Hant'] { font-family: var(--font-zh); }
.fullbleed-text em { font-style: normal; color: var(--accent); }

/* programmes */
.prog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.prog-media { position: relative; aspect-ratio: 3 / 4; overflow: hidden; border-radius: var(--radius); margin-bottom: var(--space-5); background: var(--surface-2); }
.prog-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) contrast(1.05); transition: transform .8s var(--ease), filter .5s; }
.prog:hover .prog-media img { transform: scale(1.05); filter: none; }
.prog-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,8,9,.65), transparent 50%); }
.prog-num { position: absolute; left: var(--space-4); bottom: var(--space-2); z-index: 1; font-family: var(--font-display); font-weight: 900; font-size: var(--text-3xl); color: #fff; line-height: 1; }
.prog h3 { font-size: var(--text-lg); font-weight: 800; line-height: 1.25; margin-bottom: var(--space-2); }
.prog p { color: var(--muted); font-size: var(--text-sm); }

/* championships */
.champs { background: var(--surface); }
.champs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: start; }
.champ-list { border-top: 1px solid var(--border); }
.champ { display: grid; grid-template-columns: 7.5rem 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-bottom: 1px solid var(--border); transition: padding-left .3s var(--ease); }
.champ:hover { padding-left: var(--space-3); }
.champ-date { font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg); color: var(--accent); text-transform: uppercase; line-height: 1.2; }
.champ-date [lang='zh-Hant'] { font-family: var(--font-zh); font-size: .85em; }
.champ h3 { font-size: var(--text-base); font-weight: 800; line-height: 1.35; }
.champ p { color: var(--muted); font-size: var(--text-sm); margin-top: var(--space-1); }
.champs-media { display: grid; gap: var(--space-4); position: sticky; top: 100px; }
.champs-media > .fig { aspect-ratio: 16 / 9; }
.champs-media-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.champs-media-row .fig { aspect-ratio: 4 / 3; }

/* aims */
.aims-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.aim { padding: var(--space-8); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); position: relative; transition: background-color .3s; }
.aim:hover { background: var(--accent-soft); }
.aim-num { font-family: var(--font-display); font-weight: 900; font-size: var(--text-2xl); color: transparent; -webkit-text-stroke: 1.5px var(--accent); line-height: 1; display: block; margin-bottom: var(--space-5); }
.aim h3 { font-size: var(--text-lg); font-weight: 800; margin-bottom: var(--space-2); }
.aim p { color: var(--muted); font-size: var(--text-sm); }

/* committee */
.committee { border-top: 1px solid var(--border); }
.committee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.member { min-width: 0; }
.member-photo { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--radius); background: var(--surface); margin-bottom: var(--space-4); }
.member-photo::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 4px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.member:hover .member-photo::after { transform: scaleX(1); }
.member-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.member:hover .member-photo img { transform: scale(1.03); }
.member-role { font-size: var(--text-xs); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-2); }
.member-name { font-family: var(--font-display); font-weight: 900; font-size: var(--text-xl); line-height: 1.05; text-transform: uppercase; }
html[data-lang='zh'] .member-name { font-family: var(--font-zh, inherit); text-transform: none; }
.member-alt { margin-top: var(--space-1); font-size: var(--text-sm); color: var(--muted); }
@media (max-width: 1100px) { .committee-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .committee-grid { gap: var(--space-4) var(--space-3); } .member-name { font-size: var(--text-lg); } .member-role { letter-spacing: .08em; } }

/* partners */
.partners { background: var(--surface); }
.partner-groups { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-4); }
.pgroup { grid-column: span 2; }
.pgroup { padding: var(--space-5); border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.pgroup--sponsors { grid-column: span 4; }
.pgroup-title { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-5); font-size: var(--text-xs); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.pgroup-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.pgroup-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.pgroup--media .pgroup-list { grid-template-columns: 1fr; }
.pgroup--sponsors .pgroup-list { grid-template-columns: repeat(4, 1fr); }
.plogo { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.plogo-name { font-size: var(--text-xs); font-weight: 700; line-height: 1.35; color: var(--muted); }
.partner-logo { display: flex; align-items: center; justify-content: center; height: 96px; padding: var(--space-2) var(--space-3); border-radius: calc(var(--radius) - 2px); background: #fff; transition: transform .3s var(--ease); }
.plogo:hover .partner-logo { transform: translateY(-2px); }
.partner-logo img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.partner-logo.is-dark { background: #000; }
.partner-logo.is-text { background: var(--surface); border: 1px dashed var(--border); font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; letter-spacing: .04em; color: var(--muted); text-align: center; line-height: 1; }
@media (max-width: 1100px) {
  .partner-groups { grid-template-columns: repeat(2, 1fr); }
  .pgroup { grid-column: auto; }
  .pgroup--sponsors { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .partner-groups { grid-template-columns: 1fr; gap: var(--space-3); }
  .pgroup--sponsors { grid-column: auto; }
  .pgroup { padding: var(--space-4); }
  .pgroup--sponsors .pgroup-list { grid-template-columns: repeat(2, 1fr); }
  .pgroup--media .pgroup-list { grid-template-columns: repeat(2, 1fr); }
  .partner-logo { height: 72px; padding: var(--space-2); }
  .partner-logo.is-text { font-size: 1.2rem; }
}

/* work */
.work-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: end; }
.work-list { border-top: 1px solid var(--border); }
.work-item { display: grid; grid-template-columns: 14rem 1fr; gap: var(--space-6); padding: var(--space-5) 0; border-bottom: 1px solid var(--border); }
.work-item h3 { font-size: var(--text-base); font-weight: 800; }
.work-item p { color: var(--muted); font-size: var(--text-sm); }
.bring { background: var(--accent); color: #fff; padding: clamp(var(--space-8), 4vw, var(--space-12)); border-radius: var(--radius); clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%); }
.bring h3 { font-family: var(--font-display); font-weight: 900; font-size: var(--text-2xl); text-transform: uppercase; line-height: 1; margin-bottom: var(--space-6); }
.bring h3 [lang='zh-Hant'] { font-family: var(--font-zh); font-size: .75em; }
.bring li { position: relative; padding: var(--space-3) 0 var(--space-3) var(--space-8); border-top: 1px solid rgba(255,255,255,.28); font-weight: 600; font-size: var(--text-sm); }
.bring li::before { content: ''; position: absolute; left: 0; top: 50%; width: 16px; height: 3px; background: #fff; }

/* CTA */
.cta { position: relative; color: #fff; overflow: hidden; isolation: isolate; padding-block: clamp(var(--space-20), 12vw, var(--space-32)); }
.cta-bg { position: absolute; inset: 0; z-index: -2; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; }
.cta::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(8,8,9,.92) 0%, rgba(8,8,9,.7) 55%, rgba(8,8,9,.45) 100%); }
.cta .kicker { color: #fff; }
.cta-title { font-family: var(--font-display); font-weight: 900; font-size: var(--text-hero); line-height: .88; text-transform: uppercase; }
.cta-title [lang='zh-Hant'] { font-family: var(--font-zh); font-size: .7em; line-height: 1.1; }
.cta-title em { font-style: normal; color: var(--accent); }
.cta-lede { max-width: 50ch; margin-top: var(--space-6); color: rgba(255,255,255,.85); }
.cta-mail { display: inline-flex; align-items: center; gap: var(--space-3); margin-top: var(--space-10); font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); text-decoration: none; border-bottom: 3px solid var(--accent); padding-bottom: var(--space-1); transition: color .2s, gap .3s var(--ease); }
.cta-mail svg { width: .8em; height: .8em; }
.cta-mail:hover { color: var(--accent); gap: var(--space-5); }

/* footer */
.footer { border-top: 1px solid var(--border); padding-block: var(--space-12); }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: var(--space-6) var(--space-10); align-items: center; }
.footer-brand { display: flex; align-items: center; gap: var(--space-4); }
.footer-brand .logo-mark { width: 88px; height: 88px; }
.footer-name { font-weight: 800; }
.footer-name-zh { color: var(--muted); font-size: var(--text-sm); }
.footer-links { display: flex; gap: var(--space-6); font-weight: 700; font-size: var(--text-sm); }
.footer-links a { text-decoration: none; border-bottom: 2px solid transparent; transition: border-color .2s; }
.footer-links a:hover { border-color: var(--accent); }
.footer-copy { grid-column: 1 / -1; color: var(--faint); font-size: var(--text-xs); }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .nav { position: fixed; inset: 0; height: 100vh; height: 100dvh; padding: 88px 0 var(--space-6); overflow-y: auto; background: var(--bg); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .3s var(--ease); z-index: -1; }
  .nav ul { flex-direction: column; align-items: center; gap: clamp(0px, 1vh, var(--space-2)); }
  .nav a { font-family: var(--font-display); font-size: clamp(1.6rem, 5.5vh, 3rem); color: var(--text) !important; font-weight: 900; }
  .nav a [lang='zh-Hant'] { font-family: var(--font-zh); font-size: .7em; }
  body.menu-open .nav { opacity: 1; pointer-events: auto; }
  body.menu-open { overflow: hidden; }
  body.menu-open .header { -webkit-backdrop-filter: none; backdrop-filter: none; transform: none; background: var(--bg); border-bottom-color: transparent; }
  body.menu-open .brand, body.menu-open .pill-btn, body.menu-open .icon-btn { color: var(--text); }
  .menu-btn { display: grid; }
  .header-tools { margin-left: auto; }
}
@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3) { padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--border); margin-top: var(--space-8); }
  .what-grid, .prog-grid { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-10); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card--feature { grid-column: span 2; grid-row: auto; }
  .champs-grid, .work-grid, .about-grid { grid-template-columns: 1fr; }
  .champs-media { position: static; }
  .aims-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .brand-text small { display: none; }
  .hero-side { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding-right: var(--space-3); }
  .stat + .stat { padding-left: var(--space-3); }
  .what-grid, .prog-grid, .news-grid, .aims-grid { grid-template-columns: 1fr; }
  .news-card--feature { grid-column: auto; }
  .news-card--feature .news-media { aspect-ratio: 4 / 5; min-height: 0; flex: none; }
  .work-item { grid-template-columns: 1fr; gap: var(--space-1); }
  .champ { grid-template-columns: 1fr; gap: var(--space-1); }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-mail { font-size: var(--text-xl); }
  .prog-media { aspect-ratio: 4 / 3; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}
html[data-lang='zh'] .section-title { max-width: 22ch; }
html[data-lang='zh'] .section-title [lang='zh-Hant'] { text-wrap: balance; }

.menu-btn .ic-close { display: none; }
body.menu-open .menu-btn .ic-open { display: none; }
body.menu-open .menu-btn .ic-close { display: block; }