/* NUKI.NG — "Night Over Pripyat" landing. One scrolling page in the game's
   own visual language. No external requests; fonts self-hosted. */

@font-face{
  font-family:'Black Ops One';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/blackopsone.woff2') format('woff2');
}
@font-face{
  font-family:'Share Tech Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/sharetechmono.woff2') format('woff2');
}

/* ---------- tokens ---------- */
:root{
  --night-950:#04060d;
  --night-900:#0a1224;
  --night-800:#131c33;
  --night-700:#1a2440;
  --ink:#e8edf8;
  --body:#aab6cf;
  --muted:#8fa0c0;
  --faint:#5b6785;
  --line:rgba(143,160,192,.18);
  --sodium:#ffb45c;
  --sodium-deep:#e8963c;
  --teal:#7fc9a6;
  --reactor:#39ff14;   /* status dots + clock flash only */
  --danger:#ff4632;
  --mono:'Share Tech Mono', ui-monospace, 'Courier New', monospace;
  --display:'Black Ops One', 'Arial Black', sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--night-950);
  color:var(--body);
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--sodium);text-decoration:none}
a:hover{color:var(--ink)}
button{font:inherit;background:none;border:0;color:inherit;cursor:pointer}
section{scroll-margin-top:80px}
h2{
  font-family:var(--display);font-weight:400;
  font-size:clamp(28px,4.5vw,44px);line-height:1.15;
  color:var(--ink);letter-spacing:.02em;
  margin:14px 0 40px;
}
.kicker{
  font-family:var(--mono);font-size:13px;letter-spacing:.35em;
  color:var(--muted);text-transform:uppercase;
}
.section-inner{max-width:1080px;margin:0 auto;padding:110px 24px}

/* pulsing reactor-green status dot — the one green survivor */
.statusdot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--reactor);
  box-shadow:0 0 6px rgba(57,255,20,.8);
  animation:dotpulse 2.4s ease-in-out infinite;
}
@keyframes dotpulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- nav ---------- */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:20;height:64px;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
}
#nav.scrolled,body.scrolled #nav{
  background:rgba(4,6,13,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom-color:rgba(143,160,192,.12);
}
.nav-inner{
  max-width:1240px;height:100%;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.wordmark{
  font-family:var(--mono);font-size:14px;letter-spacing:.3em;
  color:var(--ink);display:flex;align-items:center;gap:10px;
}
.wordmark:hover{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a,#soundbtn{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  color:var(--muted);transition:color .2s;
}
.nav-links a:hover,#soundbtn:hover{color:var(--ink)}
#soundbtn{
  border:1px solid var(--line);border-radius:3px;padding:6px 12px;
}
#soundbtn[aria-pressed="true"]{color:var(--sodium);border-color:rgba(255,180,92,.4)}

/* ---------- hero ---------- */
#hero{
  position:relative;min-height:100svh;overflow:hidden;
  background:
    radial-gradient(620px 620px at 82% 16%, rgba(205,220,255,.16), transparent 62%),
    linear-gradient(180deg,#04060d 0%,#0a1224 55%,#131c33 85%,#1a2440 100%);
}
#stars{position:absolute;inset:0;z-index:1;pointer-events:none}
#ash{position:absolute;inset:0;z-index:3;pointer-events:none}
#horizon{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  height:clamp(90px,16vh,180px);pointer-events:none;
}
#horizon svg{display:block;width:100%;height:100%}
#horizon .win{opacity:.6;transition:opacity .3s ease}
#horizon .win.off,#horizon .win.dim{opacity:.06}

.hero-content{
  position:relative;z-index:4;
  max-width:640px;
  padding:calc(64px + 12vh) 8vw 0;
}
.hero-content .kicker{animation:rise .5s var(--ease) .05s both}
.deck{
  margin-top:22px;
  font-size:17px;line-height:1.6;color:var(--body);
  max-width:34em;
  animation:rise .5s var(--ease) .21s both;
}
.cta-row{
  margin-top:34px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  animation:rise .5s var(--ease) .29s both;
}
@keyframes rise{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}

/* title + one-shot RGB-split glitch (300ms on load; JS re-fires on CTA hover) */
.hero-title{
  position:relative;
  font-family:var(--display);font-weight:400;
  font-size:clamp(56px,9vw,128px);line-height:1.02;
  letter-spacing:.01em;color:var(--ink);
  text-shadow:0 0 40px rgba(120,150,220,.25);
  margin-top:16px;
  animation:rise .5s var(--ease) .13s both;
}
.hero-title::before,.hero-title::after{
  content:attr(data-text);position:absolute;inset:0;
  pointer-events:none;text-shadow:none;
  clip-path:inset(0 0 100% 0);
}
.hero-title::before{color:rgba(255,70,90,.85);z-index:-1}
.hero-title::after{color:rgba(25,200,255,.85);z-index:-2}
.hero-title.glitch-load::before{animation:glitchA .3s steps(3,end) .45s 1}
.hero-title.glitch-load::after{animation:glitchB .3s steps(3,end) .45s 1}
.hero-title.glitching::before{animation:glitchA .3s steps(3,end) 1}
.hero-title.glitching::after{animation:glitchB .3s steps(3,end) 1}
@keyframes glitchA{
  0%{clip-path:inset(8% 0 55% 0);transform:translate(-5px,2px)}
  40%{clip-path:inset(58% 0 8% 0);transform:translate(4px,-2px)}
  80%{clip-path:inset(30% 0 42% 0);transform:translate(-3px,1px)}
  100%{clip-path:inset(0 0 100% 0);transform:none}
}
@keyframes glitchB{
  0%{clip-path:inset(48% 0 26% 0);transform:translate(5px,-2px)}
  40%{clip-path:inset(6% 0 76% 0);transform:translate(-4px,2px)}
  80%{clip-path:inset(66% 0 12% 0);transform:translate(3px,1px)}
  100%{clip-path:inset(0 0 100% 0);transform:none}
}

/* ---------- CTA buttons ---------- */
.btn-zone{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:400;
  font-size:18px;letter-spacing:.12em;
  color:var(--night-950);
  background:linear-gradient(180deg,#ffc178,var(--sodium-deep));
  padding:14px 36px;border-radius:4px;min-height:48px;
  box-shadow:0 0 24px rgba(255,180,92,.28),0 2px 10px rgba(0,0,0,.4);
  transition:box-shadow .25s ease,transform .12s ease;
}
.btn-zone:hover{
  color:var(--night-950);
  box-shadow:0 0 42px rgba(255,180,92,.5),0 2px 12px rgba(0,0,0,.5);
}
.btn-zone:active{transform:scale(.97)}
.btn-ghost{
  display:inline-flex;align-items:center;
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  color:var(--muted);
  border:1px solid var(--line);border-radius:4px;
  padding:10px 16px;
  -webkit-user-select:none;user-select:none;
}

/* ---------- reactor clock ---------- */
#clock{
  position:absolute;left:8vw;bottom:6vh;z-index:4;
  display:flex;flex-direction:column;gap:6px;
  animation:rise .5s var(--ease) .37s both;
}
.clock-label{
  font-family:var(--mono);font-size:11px;letter-spacing:.4em;color:var(--muted);
}
.clock-read{
  font-family:var(--mono);
  font-size:clamp(28px,4vw,44px);line-height:1;
  color:var(--ink);font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
#clock.danger .clock-read,.clock-read.danger{
  color:var(--danger);text-shadow:0 0 18px rgba(255,70,50,.5);
}

/* ---------- scroll cue ---------- */
.scroll-cue{
  position:absolute;left:50%;bottom:22px;z-index:4;
  width:24px;color:var(--muted);opacity:.7;
  transform:translateX(-50%);
  animation:cuebob 2.2s ease-in-out infinite;
  transition:opacity .5s ease;
}
.scroll-cue.hide,body.scrolled .scroll-cue{opacity:0}
@keyframes cuebob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* ---------- scroll reveal ---------- */
.reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.in{opacity:1;transform:none}

/* ---------- S2: the game ---------- */
#game-section{background:var(--night-950)}

.monitor{
  border:1px solid rgba(143,160,192,.25);border-radius:8px;
  background:#060a14;overflow:hidden;
  margin:0 0 56px;
  will-change:transform;
}
.monitor-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 16px;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.25em;color:var(--muted);
}
.monitor-top .live{display:inline-flex;align-items:center;gap:8px;color:var(--ink)}
.monitor-screen{position:relative;background:#000}
.monitor-screen img{width:100%;height:auto;filter:brightness(0)}
.monitor.on .monitor-screen img{filter:brightness(1);transition:filter .5s ease-out}
.monitor.on .monitor-screen{animation:poweron .5s steps(6)}
@keyframes poweron{
  0%{transform:translate(0,0)}
  25%{transform:translate(1px,-1px)}
  50%{transform:translate(-1px,1px)}
  75%{transform:translate(1px,0)}
  100%{transform:translate(0,0)}
}
.monitor-scan{
  position:absolute;inset:0;pointer-events:none;opacity:.04;
  background:repeating-linear-gradient(to bottom, #e8edf8 0 1px, transparent 1px 3px);
}

.features{
  list-style:none;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin:0 0 56px;
}
.card{
  background:rgba(143,160,192,.05);
  border:1px solid var(--line);border-radius:6px;
  padding:26px 24px;
  transition:border-color .25s ease,transform .25s ease;
}
.card:hover{border-color:rgba(143,160,192,.45);transform:translateY(-2px)}
.card h3{
  font-family:var(--mono);font-weight:400;
  font-size:13px;letter-spacing:.22em;color:var(--sodium);
  margin-bottom:12px;
}
.card p{font-size:15px;line-height:1.6;color:var(--body)}

.inset{
  max-width:520px;margin:0 auto 56px;
  border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background:#060a14;
}
.inset figcaption{
  padding:8px 14px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10px;letter-spacing:.25em;color:var(--faint);
}
.cta-center{text-align:center}

/* ---------- S3: the domain ---------- */
#domain{background:var(--night-950)}
#domain .kicker,#domain h2{text-align:center}
.dossier{
  max-width:560px;margin:0 auto;
  background:rgba(143,160,192,.05);
  border:1px solid var(--line);border-top:2px solid var(--sodium);
  border-radius:6px;
  padding:44px 40px 40px;
  text-align:center;
}
.dossier-mark{
  font-family:var(--display);font-size:40px;line-height:1;
  color:var(--ink);letter-spacing:.04em;
  margin-bottom:30px;
}
.specs{margin:0 0 32px;text-align:left}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 2px;border-bottom:1px dashed rgba(143,160,192,.16);
}
.spec-row:last-child{border-bottom:0}
.spec-row dt{
  font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--muted);
}
.spec-row dd{
  font-family:var(--mono);font-size:15px;color:var(--ink);text-align:right;
}
.btn-offer{font-size:16px}
.convey{
  margin-top:22px;
  font-size:14px;color:var(--muted);
}

/* ---------- footer ---------- */
footer{
  position:relative;min-height:120px;
  display:flex;align-items:center;justify-content:center;
  padding:32px 24px;
}
footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:repeating-linear-gradient(45deg,var(--sodium) 0 10px,transparent 10px 20px);
  opacity:.25;
}
.foot-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px 14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:var(--faint);text-align:center;
}
.foot-inner a{color:var(--faint)}
.foot-inner a:hover{color:var(--sodium)}
.foot-inner .sep{opacity:.5}

/* ---------- flash (clock rollover) ---------- */
#flash{position:fixed;inset:0;z-index:25;background:#fff;opacity:0;pointer-events:none}
body.detonate #flash,#flash.on{animation:flashout .9s ease-out}
@keyframes flashout{0%{opacity:.25}100%{opacity:0}}

/* ---------- CRT power-off into the zone (kept) ---------- */
#tvoff{
  position:fixed;inset:0;z-index:30;background:#000;
  display:none;align-items:center;justify-content:center;
}
#tvline{
  width:100%;height:100%;background:#eaffea;
  box-shadow:0 0 60px rgba(234,255,234,.9);
}
body.zoneout #tvoff{display:flex;animation:tvfade 1s steps(1) forwards}
body.zoneout #tvline{animation:tvcollapse 1s cubic-bezier(.6,0,.9,1) forwards}
@keyframes tvcollapse{
  0%{transform:scale(1,1);opacity:.001}
  8%{transform:scale(1,1);opacity:1}
  55%{transform:scale(1,.004);opacity:1}
  75%{transform:scale(.004,.004);opacity:1}
  100%{transform:scale(.0001,.0001);opacity:0}
}
@keyframes tvfade{0%{background:transparent}8%{background:#000}100%{background:#000}}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-content{padding-top:calc(64px + 9vh)}
  .features{grid-template-columns:1fr 1fr}
  .section-inner{padding:84px 20px}
}
@media (max-width:640px){
  .nav-inner{padding:0 16px}
  .nav-links{gap:14px}
  .nav-links a{letter-spacing:.12em}
  .hero-title{font-size:clamp(44px,12vw,80px)}
  .hero-content{padding-left:24px;padding-right:24px}
  #clock{left:24px}
  .btn-ghost{display:none}
  .btn-zone{width:100%;max-width:420px}
  .features{grid-template-columns:1fr}
  .section-inner{padding:72px 16px}
  .monitor{margin-left:0;margin-right:0;border-radius:6px}
  .monitor-top{letter-spacing:.14em}
  .dossier{padding:36px 22px 32px}
  .foot-inner{flex-direction:column;gap:6px}
  .foot-inner .sep{display:none}
}

/* short landscape phones: tighten the hero's top padding so the ENTER THE
   ZONE button sits fully above the fold */
@media (max-height:430px){
  .hero-content{padding-top:calc(52px + 3vh)}
}

/* narrow phones: the full nav row (wordmark + 3 links + sound toggle) is
   ~434px of ink — tighten tracking and gaps so nothing clips off-screen */
@media (max-width:420px){
  .wordmark{letter-spacing:.2em;gap:7px}
  .nav-links{gap:10px}
  .nav-links a,#soundbtn{font-size:11px;letter-spacing:.08em}
  #soundbtn{padding:5px 8px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .hero-content .kicker,.hero-title,.deck,.cta-row,#clock{animation:none;opacity:1;transform:none}
  .hero-title::before,.hero-title::after{content:none}
  .reveal{opacity:1;transform:none}
  .scroll-cue{animation:none}
  .statusdot{animation:none}
  .monitor-screen img,.monitor .monitor-screen img{filter:none}
  .monitor.on .monitor-screen{animation:none}
  #horizon .win{transition:none}
  .card:hover{transform:none}
}