:root{
  --navy:#0f2340; --navy2:#162f52; --red:#b91d22; --red2:#8f1519; --gold:#c19a2e; --gold2:#e8c86a;
  --bg:#ffffff; --bg2:#f1f3f6; --surface:#ffffff; --line:#dde2ea; --ink:#13243e; --muted:#5b6b84; --chip:#eef1f6;
  --radius:18px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0a1524; --bg2:#0e1d33; --surface:#12263f; --line:#243a5a; --ink:#eef2f8; --muted:#a9b8cf; --chip:#1a3355; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.15;margin:0}
.display{font-family:"Archivo","Be Vietnam Pro",sans-serif;letter-spacing:-.02em}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:14px;padding:10px 0}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:15px;line-height:1.2}
.nav-brand img{width:42px;height:42px;object-fit:contain}
.nav-brand small{display:block;font-weight:500;color:var(--muted);font-size:11px}
.nav-links{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav-links a{text-decoration:none;font-size:13.5px;font-weight:600;padding:8px 10px;border-radius:999px;color:var(--muted)}
.nav-links a:hover{background:var(--chip);color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:14px;padding:11px 18px;border-radius:999px;border:1px solid transparent;cursor:pointer}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:12px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:none}
.nav-toggle span{display:block;width:20px;height:2.5px;border-radius:2px;background:var(--ink);transition:transform .25s ease, opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{border-top:1px solid var(--line);padding:8px 0 12px}
.mobile-menu a{display:block;text-decoration:none;font-weight:600;font-size:15px;padding:11px 4px;border-bottom:1px dashed var(--line);color:var(--ink)}
.mobile-menu a:last-child{border-bottom:0}
@media(max-width:860px){.nav-links{display:none}.nav-toggle{display:flex}.nav-brand{font-size:13.5px;min-width:0}.nav-brand small{font-size:10px}}

/* HERO */
.hero{position:relative;color:#fff;overflow:hidden;background:#081426;min-height:calc(100vh - 64px);min-height:calc(100svh - 64px);display:flex;flex-direction:column}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center 28%}
.hero-slide.s2 img{object-position:center 32%}
.hero-slide.active img{animation:kenburns 7.5s ease forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.07)}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg, rgba(6,16,32,.9) 0%, rgba(6,16,32,.66) 48%, rgba(6,16,32,.2) 80%), linear-gradient(0deg, rgba(6,16,32,.85), transparent 45%);pointer-events:none}
.hero-content{position:relative;z-index:2;flex:1;width:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-top:30px;padding-bottom:86px}
.hero-brandrow{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.hero-logo{width:64px;height:64px;object-fit:contain;background:#fff;border-radius:50%;padding:4px;box-shadow:0 10px 30px rgba(0,0,0,.4);flex:none}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.hero h1{font-size:clamp(36px,5.4vw,64px);font-weight:900;margin:0 0 6px;text-shadow:0 3px 24px rgba(0,0,0,.45)}
.hero h1 .gold{color:var(--gold2)}
.hero .en{font-size:clamp(15px,2vw,19px);color:#d5dfef;font-weight:500;letter-spacing:.02em;margin:0}
.hero p.lead{color:#e6edf8;font-size:16.5px;max-width:58ch;margin:14px 0 20px;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.hero-caption{display:inline-flex;align-self:flex-start;align-items:center;gap:8px;background:rgba(6,16,32,.66);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(6px);color:#eef2f8;font-size:13px;font-weight:600;padding:7px 13px;border-radius:999px;margin:0 0 14px}
.hero-caption::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold2);flex:none}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:760px}
.fact{background:rgba(8,20,38,.62);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);border-radius:14px;padding:12px 14px}
.fact b{display:block;font-size:13px;color:var(--gold2);letter-spacing:.03em;text-transform:uppercase;margin-bottom:3px}
.fact span{font-size:14px;line-height:1.45;display:block}
.hero-ui{position:absolute;right:22px;bottom:24px;z-index:4;display:flex;align-items:center;gap:12px}
.hero-dots{display:flex;gap:8px}
.hero-dot{width:34px;height:5px;border-radius:99px;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.hero-dot.active{background:var(--gold2)}
.hero-arrow{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(6,16,32,.55);color:#fff;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(6px)}
.hero-arrow:hover{background:rgba(6,16,32,.85)}
.hero-arrow svg{width:20px;height:20px}
.stats{background:var(--navy2);color:#fff;position:relative}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:20px 18px;border-right:1px solid rgba(255,255,255,.1);text-align:left}
.stat:last-child{border-right:0}
.stat .num{font-family:"Archivo",sans-serif;font-size:34px;font-weight:900;color:#fff;line-height:1}
.stat .num em{font-style:normal;color:var(--gold2)}
.stat p{margin:6px 0 0;color:#b9c8de;font-size:13px;line-height:1.45}
.w-short{display:none}
@media(max-width:860px){
  .hero{min-height:0}
  .hero-content{padding-top:22px;padding-bottom:34px;justify-content:center;min-height:62svh}
  .hero-cta{display:none}
  .hero-ui{display:none}
  .hero-facts{grid-template-columns:1fr}
  .hero .w-full{display:none}
  .hero .w-short{display:inline}
  .stats-in{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid rgba(255,255,255,.1)}
  .hero-logo{width:54px;height:54px}
  .hero h1{font-size:34px}
  .hero p.lead{font-size:15px}
}

/* SECTIONS */
section{padding:64px 0}
section.alt{background:var(--bg2)}
.sec-head{max-width:760px;margin-bottom:30px}
.sec-head .kicker{font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:8px}
.sec-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:900}
.sec-head p{color:var(--muted);margin:10px 0 0;font-size:15.5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{background:var(--chip);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}
.list-clean{margin:0;padding:0;list-style:none}
.list-clean li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.list-clean li:last-child{border-bottom:0}
.list-clean b{color:var(--ink)}

/* TIMELINE */
.timeline{position:relative;margin-left:8px;padding-left:28px;border-left:3px solid var(--line)}
.tl-item{position:relative;padding:0 0 26px}
.tl-item::before{content:"";position:absolute;left:-38px;top:4px;width:17px;height:17px;border-radius:50%;background:var(--red);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--red)}
.alt .tl-item::before{border-color:var(--bg2)}
.tl-item .year{font-family:"Archivo",sans-serif;font-weight:900;font-size:20px;color:var(--navy)}
@media (prefers-color-scheme: dark){.tl-item .year{color:var(--gold2)}}
.tl-item p{color:var(--muted);margin:4px 0 0;font-size:14.5px;max-width:72ch}

/* BCH */
.president{background:var(--navy);color:#fff;border-radius:var(--radius);padding:26px;margin-bottom:16px}
.president h3{font-size:24px}
.president p{color:#c8d4e8;margin:6px 0 0;font-size:14.5px}
.president .role{color:var(--gold2);font-weight:800;text-transform:uppercase;font-size:12.5px;letter-spacing:.06em}
.bch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:900px){.bch-grid{grid-template-columns:1fr 1fr}.president{grid-template-columns:1fr}}
@media(max-width:560px){.bch-grid{grid-template-columns:1fr}}
.person{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.person .role{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--red)}
.person h3{font-size:16px;margin:4px 0 4px}
.person p{font-size:13px;color:var(--muted);margin:0}

/* ACHIEVEMENTS */
.ach{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.ach .yr{font-family:"Archivo",sans-serif;font-size:26px;font-weight:900;color:var(--red);line-height:1;flex:none;min-width:64px}
.ach h3{font-size:16px}
.ach p{font-size:14px;color:var(--muted);margin:5px 0 0}
.ach .res{font-weight:700;color:var(--ink)}
.stack{display:grid;gap:12px}
.athlete{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.athlete .photo{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center 30%}
.athlete .photo.top{object-position:center 12%}
.athlete-body{padding:18px 20px 20px}
.athlete .medal{display:inline-block;background:#fdf3d7;color:#7a5c00;border:1px solid #ecd27a;font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;margin-bottom:10px}
@media (prefers-color-scheme: dark){.athlete .medal{background:#3a2f0d;color:var(--gold2);border-color:#6b5a1e}}
.athlete h3{font-size:17px}
.athlete ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:14px}
.athlete ul li{margin-bottom:4px}

/* SEA TABS */
.sea-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.sea-tab{border:1px solid var(--line);background:var(--surface);color:var(--ink);font-family:inherit;font-weight:700;font-size:13.5px;padding:10px 14px;border-radius:999px;cursor:pointer}
.sea-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.sea-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.sea-panel h3{font-size:20px;margin-bottom:8px}
.sea-panel p{color:var(--muted);margin:6px 0;font-size:15px}
.sea-panel .ok{color:var(--ink);font-weight:600}
.sea-figure{margin:0 0 18px;border-radius:14px;overflow:hidden;position:relative;background:var(--bg2)}
.sea-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 35%}
.sea-figure figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent, rgba(6,18,36,.88));color:#fff;font-size:13.5px;font-weight:600;padding:38px 16px 12px}
@media(max-width:700px){.sea-figure img{aspect-ratio:4/3}}

/* PHOTO BAND */
.band{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:stretch}
@media(max-width:860px){.band{grid-template-columns:1fr}}
.band figure{margin:0;border-radius:var(--radius);overflow:hidden;position:relative}
.band figure img{width:100%;height:100%;min-height:260px;object-fit:cover}
.band figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent, rgba(6,18,36,.85));color:#fff;font-size:13px;padding:34px 16px 12px}

/* GALLERY */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:700px){.gallery{grid-template-columns:1fr}}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;position:relative}
.gallery figure img{width:100%;height:100%;min-height:250px;object-fit:cover}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent, rgba(6,18,36,.88));color:#fff;font-size:13.5px;font-weight:600;padding:38px 16px 12px}

/* FOOTER */
footer{background:var(--navy);color:#dbe4f2;padding:52px 0 30px}
footer h3{color:#fff;font-size:18px;margin-bottom:10px}
footer a{color:var(--gold2)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr}}
.foot-grid p,.foot-grid li{font-size:14px;color:#b9c8de}
.foot-grid ul{margin:0;padding-left:18px}
.foot-bottom{font-size:13px;color:#8fa3c2;border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:16px}

/* REVEAL MOTION */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-slide.active img{animation:none}
}
.note{font-size:13px;color:var(--muted);background:var(--chip);border-radius:12px;padding:12px 14px;margin-top:14px}