/* rosangkor.com - official site */
@font-face{font-family:Rajdhani;font-weight:600;font-display:swap;src:url(/fonts/rajdhani-600.woff2) format("woff2")}
@font-face{font-family:Rajdhani;font-weight:700;font-display:swap;src:url(/fonts/rajdhani-700.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:400;font-display:swap;src:url(/fonts/barlow-400.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:500;font-display:swap;src:url(/fonts/barlow-500.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:600;font-display:swap;src:url(/fonts/barlow-600.woff2) format("woff2")}
:root{
  --bg:#05070a; --bg2:#0a0d12; --panel:rgba(12,15,20,.82); --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --ink:#f3f1ea; --dim:#a3a9b1; --faint:#69707a;
  --gold:#ffc23d; --gold2:#ffd56b; --amber:#f59e0b; --red:#e8402f; --gold-ink:#1a1102;
  --head:Rajdhani,Barlow,"Segoe UI",sans-serif; --cut:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:72px}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.6 Barlow,-apple-system,"Segoe UI",Roboto,"Noto Sans Khmer",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.defs{position:absolute}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:20px;height:20px;flex:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right))}
.narrow{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 13px/1 var(--head);letter-spacing:.3em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--red)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------------------------------------------------------------- nav */
.nav{position:fixed;inset:0 0 auto;z-index:20;padding-top:env(safe-area-inset-top);transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(5,7,10,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--line)}
.nav-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px max(20px,env(safe-area-inset-left)) 12px max(20px,env(safe-area-inset-right))}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand img{width:38px;height:38px;border-radius:8px;background:#000;border:1px solid var(--line2)}
.brand span{font:700 20px/1 var(--head);letter-spacing:.12em;text-transform:uppercase}
.links{display:flex;align-items:center;gap:28px}
.links a:not(.btn){position:relative;text-decoration:none;font:700 15px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:#d9dce0;transition:color .2s}
.links a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--gold);transition:right .25s}
.links a:not(.btn):hover{color:#fff}
.links a:not(.btn):hover::after{right:0}
.menu{display:none;width:42px;height:42px;place-items:center;background:rgba(0,0,0,.45);border:1px solid var(--line2);border-radius:4px;color:var(--ink);cursor:pointer}
@media (max-width:860px){
  .menu{display:grid}
  .links{position:fixed;top:calc(64px + env(safe-area-inset-top));left:12px;right:12px;flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 18px;
    background:rgba(8,10,14,.97);border:1px solid var(--line);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s,transform .2s}
  .links.open{opacity:1;transform:none;pointer-events:auto}
  .links a:not(.btn){padding:15px 2px;border-bottom:1px solid var(--line);font-size:16px}
  .links a:not(.btn)::after{display:none}
  .links .btn{margin-top:14px}
}

/* ---------------------------------------------------------------- buttons */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;text-decoration:none;
  font:700 18px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-ink);
  background:linear-gradient(180deg,var(--gold2),var(--gold) 45%,var(--amber));
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);transition:filter .2s,transform .1s}
.btn::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);animation:shine 3.8s ease-in-out infinite}
@keyframes shine{0%,62%{left:-60%}100%{left:130%}}
.btn:hover{filter:brightness(1.08) drop-shadow(0 0 16px rgba(255,194,61,.35))}
.btn:active{transform:translateY(1px)}
.btn.ghost{color:var(--ink);background:rgba(0,0,0,.4);box-shadow:inset 0 0 0 1px var(--line2)}
.btn.ghost::after{display:none}
.btn.ghost:hover{background:rgba(255,255,255,.08);filter:none}
.btn-sm{padding:11px 16px;font-size:15px}
.btn-sm svg.i{width:18px;height:18px}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;text-align:center;
  padding:0 20px calc(70px + env(safe-area-inset-bottom));overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;background:var(--bg)}
.hero-img{position:absolute;inset:-3%;background:center 32%/cover no-repeat;
  background-image:url(/img/hero.jpg);background-image:image-set(url(/img/hero.webp) type("image/webp"),url(/img/hero.jpg) type("image/jpeg"));
  animation:drift 28s ease-in-out infinite alternate;will-change:transform}
@keyframes drift{from{transform:scale(1.08) translate3d(-1%,0,0)}to{transform:scale(1) translate3d(1%,-1%,0)}}
.hero-shade{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(5,7,10,.55) 0%,rgba(5,7,10,0) 18%,rgba(5,7,10,0) 48%,rgba(5,7,10,.78) 74%,var(--bg) 100%),
  radial-gradient(ellipse at 50% 40%,transparent 40%,rgba(5,7,10,.45) 100%)}
.embers i{position:absolute;bottom:-10px;width:3px;height:3px;border-radius:50%;background:#ffb347;box-shadow:0 0 6px 2px rgba(255,140,40,.55);opacity:0;animation:rise 10s linear infinite}
.embers i:nth-child(1){left:5%;animation-delay:0s}.embers i:nth-child(2){left:13%;animation-delay:3.2s;animation-duration:8s}
.embers i:nth-child(3){left:22%;animation-delay:6s;animation-duration:12s}.embers i:nth-child(4){left:31%;animation-delay:1.4s;animation-duration:9s}
.embers i:nth-child(5){left:41%;animation-delay:4.4s}.embers i:nth-child(6){left:52%;animation-delay:7.2s;animation-duration:8.5s}
.embers i:nth-child(7){left:61%;animation-delay:2.1s;animation-duration:11s}.embers i:nth-child(8){left:70%;animation-delay:5.3s;animation-duration:9.5s}
.embers i:nth-child(9){left:78%;animation-delay:8.1s}.embers i:nth-child(10){left:85%;animation-delay:.7s;animation-duration:8s}
.embers i:nth-child(11){left:92%;animation-delay:3.9s;animation-duration:12s}.embers i:nth-child(12){left:97%;animation-delay:6.6s;animation-duration:9s}
@keyframes rise{0%{transform:translate3d(0,0,0);opacity:0}10%{opacity:.9}70%{opacity:.5}100%{transform:translate3d(40px,-100vh,0);opacity:0}}
.hero-copy{max-width:760px;animation:up .9s .2s both}
.tag{margin:14px 0 8px;font:700 clamp(40px,7vw,84px)/.95 var(--head);letter-spacing:.02em;text-transform:uppercase;
  background:linear-gradient(180deg,#fff 30%,#ffe2a1 70%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 6px 40px rgba(0,0,0,.35)}
.lead{margin:0 auto 26px;max-width:560px;color:#dcdfe3;font-size:18px}
.cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.scroll{position:absolute;bottom:calc(18px + env(safe-area-inset-bottom));left:50%;width:24px;height:38px;margin-left:-12px;border:2px solid rgba(255,255,255,.4);border-radius:12px}
.scroll span{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--gold);animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
@media (max-width:760px){
  .hero{justify-content:flex-start;min-height:0;padding-top:calc(78vw + env(safe-area-inset-top))}
  .hero-img{inset:auto;top:0;left:-3%;right:-3%;height:96vw;background-position:center 30%;transform-origin:50% 0;
    -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 97%);mask-image:linear-gradient(180deg,#000 55%,transparent 97%);
    background-image:url(/img/hero-m.jpg);background-image:image-set(url(/img/hero-m.webp) type("image/webp"),url(/img/hero-m.jpg) type("image/jpeg"))}
  .hero-shade{inset:auto;top:0;left:0;right:0;height:96vw;background:linear-gradient(180deg,rgba(5,7,10,.5),rgba(5,7,10,0) 22%,rgba(5,7,10,0) 55%,var(--bg) 98%)}
  .lead{font-size:16px}
  .cta .btn{flex:1 1 100%}
  .scroll{display:none}
}

/* ---------------------------------------------------------------- ticker */
.ticker{overflow:hidden;border-block:1px solid var(--line);background:linear-gradient(90deg,#0b0e13,#11151b,#0b0e13)}
.track{display:flex;align-items:center;gap:34px;width:max-content;padding:16px 0;animation:tick 32s linear infinite}
.track span{font:700 18px/1 var(--head);letter-spacing:.24em;text-transform:uppercase;color:#cfd3d8;white-space:nowrap}
.track b{width:8px;height:8px;background:var(--gold);transform:rotate(45deg);flex:none}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------------------------------------------------------------- sections */
.sec{padding:96px 0}
.sec.dark{background:linear-gradient(180deg,var(--bg),var(--bg2) 30%,var(--bg2) 70%,var(--bg))}
.head{margin-bottom:40px}
.head h2{margin:12px 0 0;max-width:720px;font:700 clamp(30px,4.4vw,50px)/1.02 var(--head);letter-spacing:.02em;text-transform:uppercase}
.card,.feat,.step{position:relative;background:var(--panel);border:1px solid var(--line);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut))}
.feat::before,.step::before,.card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold) 25%,var(--amber) 50%,var(--gold) 75%,transparent);background-size:200% 100%;
  opacity:.55;transition:opacity .3s;animation:scan 5s linear infinite}
@keyframes scan{from{background-position:200% 0}to{background-position:0 0}}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{padding:28px 24px;transition:transform .3s,border-color .3s,background .3s}
.feat:hover{transform:translateY(-4px);border-color:rgba(255,194,61,.35);background:rgba(18,21,27,.92)}
.feat:hover::before{opacity:1}
.feat svg.i{width:34px;height:34px;color:var(--gold)}
.feat h3,.step h3,.card h3{margin:16px 0 6px;font:700 22px/1.1 var(--head);letter-spacing:.06em;text-transform:uppercase}
.feat p,.step p,.card p{margin:0;color:var(--dim);font-size:15px}
@media (max-width:960px){.feats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.feats{grid-template-columns:1fr}.sec{padding:70px 0}}

/* survivors */
.chars{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.char{position:relative;margin:0;overflow:hidden;aspect-ratio:4/5;background:#0d1117;
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut))}
.char img{width:100%;height:100%;object-fit:cover;object-position:30% 20%;transition:transform .6s cubic-bezier(.2,.8,.2,1),filter .4s;filter:saturate(.9)}
.char::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(5,7,10,.92));pointer-events:none}
.char figcaption{position:absolute;left:18px;bottom:16px;z-index:1;font:700 22px/1 var(--head);letter-spacing:.14em;text-transform:uppercase}
.char figcaption::before{content:"";display:block;width:26px;height:2px;margin-bottom:10px;background:var(--gold);transition:width .3s}
.char:hover img{transform:scale(1.07);filter:saturate(1.1)}
.char:hover figcaption::before{width:56px}
.lands{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:16px}
.lands img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);transition:transform .4s,border-color .4s}
.lands img:hover{transform:translateY(-3px);border-color:rgba(255,194,61,.4)}
@media (max-width:960px){.chars{grid-template-columns:repeat(2,1fr)}.lands{grid-template-columns:repeat(2,1fr)}}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{padding:26px 22px 24px}
.step .n{position:absolute;top:14px;right:18px;font:700 44px/1 var(--head);color:rgba(255,255,255,.07)}
.step svg.i{width:30px;height:30px;color:var(--gold)}
@media (max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.duo{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.card{display:flex;align-items:center;gap:16px;padding:22px;text-decoration:none;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-3px);border-color:rgba(255,194,61,.35)}
.card:hover::before{opacity:1}
.card h3{margin:0 0 3px}
.card .big{width:38px;height:38px;color:var(--gold)}
.card .go{margin-left:auto;color:var(--faint);transition:transform .3s,color .3s}
.card:hover .go{transform:translateX(4px);color:var(--gold)}
.card>div{min-width:0}
@media (max-width:960px){.duo{grid-template-columns:1fr}}

/* faq */
.faq{display:grid;gap:10px}
.faq details{background:var(--panel);border:1px solid var(--line);border-left:2px solid transparent;transition:border-color .3s}
.faq details[open]{border-left-color:var(--gold)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;cursor:pointer;list-style:none;
  font:700 19px/1.2 var(--head);letter-spacing:.05em;text-transform:uppercase}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:10px;height:10px;flex:none;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(45deg) translateY(-3px);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq p{margin:0;padding:0 20px 18px;color:var(--dim)}

/* footer */
.foot{border-top:1px solid var(--line);padding:38px 0 calc(30px + env(safe-area-inset-bottom));background:#030406}
.foot-in{display:grid;grid-template-columns:auto 1fr;gap:18px 30px;align-items:center}
.foot-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:22px}
.foot-links a{text-decoration:none;font:700 14px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);transition:color .2s}
.foot-links a:hover{color:var(--gold)}
.legal{grid-column:1/-1;margin:0;color:var(--faint);font-size:13px}
@media (max-width:640px){.foot-in{grid-template-columns:1fr}.foot-links{justify-content:flex-start}}

/* reveal on scroll */
@keyframes up{from{opacity:0;transform:translate3d(0,18px,0)}to{opacity:1;transform:none}}
.js .reveal{opacity:0;translate:0 26px;transition:opacity .7s cubic-bezier(.2,.8,.2,1),translate .7s cubic-bezier(.2,.8,.2,1),transform .3s,border-color .3s,background .3s}
.js .reveal.seen{opacity:1;translate:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .embers{display:none}
  .js .reveal{opacity:1;translate:none}
}