:root{
  --navy:#0a1f44;
  --navy-2:#0d2a5c;
  --navy-deep:#06142d;
  --gold:#e8b73a;
  --gold-2:#f6d775;
  --red:#d32f2f;
  --red-2:#ef4444;
  --ink:#0b1426;
  --paper:#f4f6fb;
  --line:rgba(232,183,58,.22);
  --shadow:0 20px 50px rgba(3,10,25,.45);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Anuphan',system-ui,sans-serif;
  background:var(--navy-deep);
  color:#e8edf7;
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,.brand span,.btn,.sec-tag{font-family:'Kanit','Anuphan',sans-serif;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin-inline:auto}
.gold{color:var(--gold)}
.red{color:var(--red-2)}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:.3s;
  background:linear-gradient(180deg,rgba(6,20,45,.92),rgba(6,20,45,.55));
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;}
.nav.scrolled{background:rgba(6,20,45,.96);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.nav-inner{width:min(1180px,94vw);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:.3px}
.brand img{width:40px;height:40px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.brand strong{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:26px;font-weight:600;font-size:.96rem}
.nav-links a{opacity:.85;transition:.2s;position:relative}
.nav-links a:hover{opacity:1;color:var(--gold-2)}
.btn-sm{background:var(--red);padding:8px 18px;border-radius:999px;opacity:1!important;font-weight:600;
  box-shadow:0 6px 18px rgba(211,47,47,.4)}
.btn-sm:hover{background:var(--red-2);color:#fff!important}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2.5px;background:var(--gold);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:120px 0 0;overflow:hidden;
  background:radial-gradient(1200px 600px at 75% 10%,rgba(211,47,47,.28),transparent 60%),
             radial-gradient(900px 700px at 10% 90%,rgba(232,183,58,.18),transparent 55%),
             linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 60%,#040d1f 100%);}
.hero-grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(900px 600px at 60% 35%,#000,transparent 80%);}
.hero-bg{position:absolute;inset:0;background:
  conic-gradient(from 200deg at 80% 20%,rgba(232,183,58,.12),transparent 35%);}
.hero-content{position:relative;z-index:2;width:min(1180px,92vw);margin-inline:auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;flex:1}
.kicker{display:inline-flex;align-items:center;gap:9px;font-family:'Kanit';font-weight:600;letter-spacing:3px;
  font-size:.8rem;color:var(--gold-2);text-transform:uppercase;border:1px solid var(--line);
  padding:7px 16px;border-radius:999px;background:rgba(232,183,58,.06)}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--red-2);box-shadow:0 0 0 4px rgba(239,68,68,.25);animation:pulse 1.8s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(239,68,68,0)}}
.hero-text h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.04;font-weight:900;margin:18px 0 16px;
  text-shadow:0 6px 24px rgba(0,0,0,.4)}
.hero-text h1 .outline{-webkit-text-stroke:1.5px var(--gold);color:transparent;font-size:.42em;letter-spacing:4px;
  display:inline-block;margin-top:6px}
.lead{font-size:1.12rem;color:#cfd8ea;max-width:560px}
.lead strong{color:var(--gold-2)}
.hero-cta{display:flex;gap:14px;margin:28px 0 30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;padding:13px 26px;border-radius:999px;
  font-size:1rem;transition:.22s;cursor:pointer;border:1px solid transparent}
.btn-red{background:linear-gradient(135deg,var(--red-2),var(--red));color:#fff;box-shadow:0 12px 30px rgba(211,47,47,.45)}
.btn-red:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(211,47,47,.55)}
.btn-ghost{border-color:var(--gold);color:var(--gold-2);background:rgba(232,183,58,.05)}
.btn-ghost:hover{background:var(--gold);color:var(--navy-deep);transform:translateY(-2px)}
.btn-line{background:#06c755;color:#fff;box-shadow:0 12px 30px rgba(6,199,85,.4)}
.btn-line:hover{transform:translateY(-2px);filter:brightness(1.07)}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-family:'Kanit';font-size:1.9rem;font-weight:800;color:var(--gold);line-height:1}
.hero-stats span{font-size:.85rem;color:#9fb0cd;margin-top:4px}
.hero-logo{display:flex;justify-content:center;align-items:center}
.hero-logo img{width:min(420px,80%);filter:drop-shadow(0 30px 60px rgba(0,0,0,.6));animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px)}}

.marquee{position:relative;z-index:2;margin-top:36px;overflow:hidden;border-block:1px solid var(--line);
  background:rgba(232,183,58,.07);padding:11px 0}
.marquee-track{display:flex;white-space:nowrap;animation:scroll 28s linear infinite;font-family:'Kanit';font-weight:600;
  letter-spacing:1.5px;color:var(--gold-2);font-size:.92rem}
.marquee-track span{padding-right:30px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* SECTIONS */
.section{padding:96px 0;position:relative}
.about{background:linear-gradient(180deg,#040d1f,#081933)}
.divisions{background:linear-gradient(180deg,#081933,#06142d);}
.events{background:linear-gradient(180deg,#06142d,#0a1f3f)}
.prizes{background:linear-gradient(180deg,#0a1f3f,#081a36);}
.gallery{background:linear-gradient(180deg,#081a36,#05122a)}
.register{background:
  radial-gradient(800px 500px at 80% 20%,rgba(211,47,47,.22),transparent 60%),
  linear-gradient(180deg,#05122a,#0a1f44)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 54px}
.sec-tag{display:inline-block;font-weight:600;letter-spacing:3px;text-transform:uppercase;font-size:.78rem;
  color:var(--red-2);border:1px solid rgba(239,68,68,.35);padding:6px 16px;border-radius:999px;margin-bottom:18px;
  background:rgba(239,68,68,.07)}
.sec-tag.light{color:var(--gold-2);border-color:var(--line);background:rgba(232,183,58,.07)}
.sec-head h2{font-size:clamp(2rem,4.2vw,3rem);font-weight:800;line-height:1.15}
.sec-sub{margin-top:14px;color:#a9b8d4;font-size:1.05rem}

/* ABOUT cards */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--gold),var(--red))}
.card:hover{transform:translateY(-6px);border-color:rgba(232,183,58,.5);box-shadow:var(--shadow)}
.card-ico{font-size:2.2rem;margin-bottom:14px}
.card h3{font-size:1.25rem;margin-bottom:10px;color:#fff}
.card p{color:#aebbd6;font-size:.98rem}

/* DIVISIONS */
.div-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto 50px}
.div-row{display:flex;align-items:center;gap:22px;padding:20px 26px;border-radius:14px;
  background:linear-gradient(110deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.08);border-left:5px solid var(--gold);transition:.25s;flex-wrap:wrap}
.div-row:hover{transform:translateX(6px);border-left-width:9px;box-shadow:var(--shadow)}
.div-row.d1{border-left-color:#ef4444}.div-row.d2{border-left-color:#f59e0b}
.div-row.d3{border-left-color:#e8b73a}.div-row.d4{border-left-color:#38bdf8}
.div-row.d5{border-left-color:#34d399}
.div-no{font-family:'Kanit';font-weight:900;font-size:2.2rem;color:rgba(232,183,58,.5);min-width:54px}
.div-body{flex:1;min-width:240px}
.div-body h3{font-size:1.15rem;color:#fff;letter-spacing:.5px}
.div-body p{color:#a9b8d4;font-size:.95rem;margin-top:3px}
.div-tag{font-family:'Kanit';font-weight:600;background:rgba(232,183,58,.12);color:var(--gold-2);
  padding:7px 16px;border-radius:999px;font-size:.85rem;border:1px solid var(--line)}
.div-figure{max-width:560px;margin:0 auto;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}

/* EVENTS */
.event-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:60px}
.event-card{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px;
  position:relative;transition:.25s;overflow:hidden}
.event-card.live{border-color:rgba(239,68,68,.4);box-shadow:0 0 0 1px rgba(239,68,68,.2),0 20px 50px rgba(211,47,47,.18)}
.event-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.event-badge{align-self:flex-start;font-family:'Kanit';font-weight:600;font-size:.78rem;letter-spacing:1.5px;
  text-transform:uppercase;background:rgba(232,183,58,.14);color:var(--gold-2);padding:6px 14px;border-radius:999px;border:1px solid var(--line)}
.event-badge.hot{background:var(--red);color:#fff;border-color:transparent;animation:pulse 2s infinite}
.event-date{display:flex;align-items:baseline;gap:10px;font-family:'Kanit'}
.event-date b{font-size:2.8rem;font-weight:900;color:var(--gold)}
.event-date span{font-size:.85rem;color:#9fb0cd;line-height:1.15}
.event-info h3{font-size:1.3rem;color:#fff}
.event-info p{color:#aebbd6;font-size:.95rem}
.event-status{margin-top:8px;align-self:flex-start;font-weight:600;font-size:.9rem;padding:7px 16px;border-radius:999px}
.event-status.done{background:rgba(255,255,255,.08);color:#9fb0cd}
.event-status.open{background:linear-gradient(135deg,var(--red-2),var(--red));color:#fff;box-shadow:0 8px 22px rgba(211,47,47,.4)}
.event-status.wait{background:rgba(232,183,58,.12);color:var(--gold-2);border:1px solid var(--line)}
.event-card.past{opacity:.82}

.schedule-block{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
  border:1px solid var(--line);border-radius:22px;padding:34px}
.schedule-text h3{font-size:1.4rem;color:#fff;margin-bottom:10px}
.schedule-text>p{color:#a9b8d4;margin-bottom:18px}
.sched-rounds{list-style:none;display:flex;flex-direction:column;gap:8px}
.sched-rounds li{background:rgba(10,31,68,.5);border:1px solid rgba(255,255,255,.07);border-radius:10px;
  padding:10px 16px;font-size:.95rem;color:#cfd8ea}
.sched-rounds li:first-child{background:rgba(239,68,68,.14);border-color:rgba(239,68,68,.3);font-family:'Kanit';font-weight:600}
.sched-rounds li span{color:var(--red-2);font-family:'Kanit';font-weight:700;margin-right:6px}
.sched-rounds li em{color:var(--gold);font-style:normal;font-weight:700;padding:0 4px}
.schedule-img{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}

/* PRIZES */
.prize-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:34px}
.prize-card{text-align:center;padding:32px 18px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));transition:.25s;position:relative;overflow:hidden}
.prize-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow)}
.prize-ico{font-size:2.6rem}
.prize-card b{display:block;font-family:'Kanit';font-size:2.6rem;font-weight:900;margin:6px 0 2px}
.prize-card span{color:#aebbd6;font-size:.98rem}
.prize-card.champ{border-color:rgba(232,183,58,.5)} .prize-card.champ b{color:var(--gold)}
.prize-card.gold b{color:#facc15} .prize-card.silver b{color:#cbd5e1} .prize-card.bronze b{color:#d97a4a}
.prize-card.champ::after{content:"";position:absolute;inset:-40% -10% auto;height:120%;
  background:radial-gradient(circle,rgba(232,183,58,.2),transparent 60%)}
.prize-extra{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.pe-item{background:rgba(232,183,58,.08);border:1px solid var(--line);border-radius:999px;padding:11px 22px;
  font-size:.96rem;color:#dfe6f3}
.pe-item strong{color:var(--gold-2)}

/* GALLERY */
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.gal-item{border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.08);position:relative;background:#0a1f44}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gal-item:hover img{transform:scale(1.08)}
.gal-item.big{grid-row:span 2;grid-column:span 2}
.gal-item::after{content:"🔍 ดูภาพ";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(6,20,45,.6);color:var(--gold-2);font-family:'Kanit';font-weight:600;opacity:0;transition:.25s}
.gal-item:hover::after{opacity:1}

/* REGISTER */
.reg-box{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  background:linear-gradient(160deg,rgba(10,31,68,.7),rgba(6,20,45,.6));border:1px solid var(--line);
  border-radius:26px;padding:46px;box-shadow:var(--shadow)}
.reg-left h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:800;margin:14px 0 14px}
.reg-left>p{color:#bcc8e2}
.reg-points{list-style:none;margin:20px 0 26px;display:flex;flex-direction:column;gap:9px}
.reg-points li{color:#dfe6f3}
.contact-card{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:18px;padding:28px}
.contact-card h3{font-size:1.3rem;color:#fff;margin-bottom:16px;border-bottom:1px solid var(--line);padding-bottom:12px}
.contact-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:.96rem}
.contact-row span:first-child{color:var(--gold-2);font-family:'Kanit';font-weight:600;min-width:54px}
.contact-row a:hover{color:var(--gold)}
.staff{margin-top:14px;font-size:.95rem;color:#cfd8ea}
.staff span{color:var(--gold-2);font-weight:600}
.sponsor{margin-top:10px;font-size:.9rem;color:#9fb0cd}
.sponsor strong{color:#fff}

/* FOOTER */
.footer{background:#040d1f;border-top:1px solid var(--line);padding:40px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.f-brand{display:flex;align-items:center;gap:14px}
.f-brand img{width:48px;height:48px;object-fit:contain}
.f-brand strong{display:block;color:var(--gold);font-family:'Kanit'}
.f-brand span{font-size:.85rem;color:#9fb0cd}
.f-links{display:flex;gap:22px;font-size:.95rem;flex-wrap:wrap}
.f-links a{color:#bcc8e2}.f-links a:hover{color:var(--gold)}
.f-copy{font-size:.85rem;color:#7e8eaa}

/* FAB */
.fab{position:fixed;right:18px;bottom:18px;z-index:40;background:linear-gradient(135deg,var(--red-2),var(--red));
  color:#fff;font-family:'Kanit';font-weight:600;padding:13px 22px;border-radius:999px;
  box-shadow:0 14px 34px rgba(211,47,47,.5);display:none;animation:pulse 2.4s infinite}
.fab:hover{transform:translateY(-3px)}

/* RESPONSIVE */
@media(max-width:980px){
  .hero-content{grid-template-columns:1fr;text-align:center;padding-top:20px}
  .hero-logo{order:-1;margin-bottom:6px}
  .hero-logo img{width:240px}
  .kicker,.hero-stats{justify-content:center}
  .lead{margin-inline:auto}
  .hero-cta{justify-content:center}
  .cards-3,.event-cards,.prize-grid{grid-template-columns:1fr 1fr}
  .schedule-block,.reg-box{grid-template-columns:1fr;padding:28px}
  .gal-grid{grid-template-columns:1fr 1fr;grid-auto-rows:160px}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:68px 0 auto;flex-direction:column;background:rgba(6,20,45,.98);
    padding:24px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.3s;height:auto}
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  .cards-3,.event-cards,.prize-grid,.gal-grid{grid-template-columns:1fr}
  .gal-item.big{grid-column:span 1;grid-row:span 1}
  .gal-grid{grid-auto-rows:220px}
  .section{padding:64px 0}
  .div-no{font-size:1.6rem;min-width:auto}
  .fab{display:inline-flex}
  .reg-box{padding:22px}
  .marquee{margin-top:24px}
}