/* Odin Aero — landing. Dark Helsing-grade shell, white studio rooms. */

/* ── fonts ─────────────────────────────────────────────────────────── */
@font-face{
  font-family:"Archivo";
  src:url("assets/fonts/archivo-var.woff2") format("woff2");
  font-weight:100 900;font-display:swap;
}
@font-face{
  font-family:"Plex Mono";
  src:url("assets/fonts/plexmono-400.woff2") format("woff2");
  font-weight:400;font-display:swap;
}
@font-face{
  font-family:"Plex Mono";
  src:url("assets/fonts/plexmono-500.woff2") format("woff2");
  font-weight:500;font-display:swap;
}

/* ── tokens ────────────────────────────────────────────────────────── */
:root{
  --bg:#0B0D0E;
  --ink:#E8E6E1;
  --mut:rgba(232,230,225,.62);
  --line:rgba(232,230,225,.14);
  --accent:#4796E3;
  --room:#F1EFEA;         /* white studio room */
  --room-ink:#101418;
  --room-mut:rgba(16,20,24,.6);
  --room-line:rgba(16,20,24,.16);
  --sans:"Archivo",system-ui,-apple-system,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,monospace;
  --gutter:clamp(20px,4vw,64px);
  --max:1440px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--bg)}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--bg);
  padding:.6rem 1rem;font-family:var(--mono);font-size:.75rem;z-index:99}
.skip:focus{left:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ── nav ───────────────────────────────────────────────────────────── */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;gap:2rem;
  padding:0 var(--gutter);height:64px;
  border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s,backdrop-filter .4s;
}
.nav.scrolled{
  background:rgba(11,13,14,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-brand{font-weight:750;letter-spacing:.06em;font-size:.9375rem;display:inline-flex;align-items:center;gap:.6rem}
.nav-brand img{display:block;width:26px;height:auto}
.footer-brand{display:inline-flex;align-items:center;gap:.55rem}
.footer-brand img{display:block;width:21px;height:auto;opacity:.85}
.nav-brand sup{font-size:.5em;font-weight:400;opacity:.6}
.nav-links{display:flex;gap:1.75rem;margin-left:auto}
.nav-links a{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mut);
  background:linear-gradient(currentColor,currentColor) no-repeat 0 100%/0 1px;
  transition:color .3s,background-size .3s;padding-bottom:2px;
}
.nav-links a:hover{color:var(--ink);background-size:100% 1px}
.nav-cta{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line);padding:.65rem 1.1rem;
  transition:background .3s,color .3s,border-color .3s;
}
.nav-cta:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
@media(max-width:720px){.nav-links{display:none}}

/* ── shared type ───────────────────────────────────────────────────── */
.eyebrow,.sec-no{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--mut);
}
.sec-no{margin-bottom:clamp(2rem,5vh,4rem)}
.accent{color:var(--accent)}
section{padding:clamp(5rem,14vh,10rem) var(--gutter);max-width:var(--max);margin:0 auto}

/* ── hero ──────────────────────────────────────────────────────────── */
.hero{padding-top:clamp(8rem,20vh,13rem)}
.hero h1{
  font-size:clamp(3.4rem,11.5vw,10.5rem);
  font-weight:800;line-height:.92;letter-spacing:-.035em;
  margin:1.2rem 0 2rem;
}
.hero-sub{max-width:34rem;color:var(--mut);font-size:clamp(1rem,1.4vw,1.2rem)}
.hero-actions{display:flex;align-items:center;gap:2rem;margin:2.6rem 0 clamp(3rem,8vh,6rem)}
.btn{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--ink);color:var(--bg);padding:1rem 1.6rem;
  transition:background .3s,color .3s,box-shadow .3s;
}
.btn:hover{background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.link-arrow{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mut);transition:color .3s;
}
.link-arrow::after{content:" ↗";color:var(--accent)}
.link-arrow:hover{color:var(--ink)}
.link-arrow.dark{color:var(--room-mut)}
.link-arrow.dark:hover{color:var(--room-ink)}

/* stage = framed film panel */
.stage{position:relative;border:1px solid var(--line)}
.stage .bgv{width:100%;aspect-ratio:16/9;object-fit:cover}
.stage-cap{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:.9rem 1.1rem;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.65rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mut);
}
.stage-light{border-color:var(--room-line)}
.stage-light .stage-cap{border-color:var(--room-line);color:var(--room-mut)}

/* ── ticker ────────────────────────────────────────────────────────── */
.ticker{
  border-block:1px solid var(--line);overflow:hidden;white-space:nowrap;
  padding:.85rem 0;
}
.ticker-track{display:inline-flex;animation:tick 46s linear infinite}
.ticker-track span{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.18em;color:var(--mut);
}
@keyframes tick{to{transform:translateX(-50%)}}

/* ── manifesto ─────────────────────────────────────────────────────── */
.statement{
  font-size:clamp(1.7rem,4.4vw,3.6rem);
  font-weight:640;line-height:1.16;letter-spacing:-.02em;
  max-width:24ch;
}
.statement em{font-style:normal;color:var(--mut)}

/* ── capabilities ──────────────────────────────────────────────────── */
.cap-list{list-style:none;border-top:1px solid var(--line)}
.cap-list li{
  display:grid;grid-template-columns:5rem 1fr 1.4fr;gap:2rem;
  align-items:baseline;padding:2.4rem 0;border-bottom:1px solid var(--line);
  transition:padding-left .35s;
}
.cap-list li:hover{padding-left:1rem}
.cap-i{font-family:var(--mono);font-size:.75rem;color:var(--mut)}
.cap-list h2{
  font-size:clamp(1.6rem,3.4vw,2.8rem);font-weight:780;letter-spacing:-.02em;
}
.cap-list p{color:var(--mut);max-width:44ch}
@media(max-width:860px){
  .cap-list li{grid-template-columns:3rem 1fr;grid-template-rows:auto auto}
  .cap-list p{grid-column:2}
}

/* ── platform ──────────────────────────────────────────────────────── */
.sec-title{
  font-size:clamp(2.4rem,6vw,5.5rem);font-weight:800;letter-spacing:-.03em;line-height:.98;
  margin-bottom:clamp(2rem,5vh,3.6rem);
}
.frame{border:1px solid var(--line)}
.frame img{width:100%}

/* ── white studio room ─────────────────────────────────────────────── */
.room{
  background:var(--room);color:var(--room-ink);
  max-width:none;               /* full-bleed room */
}
.room-head,.room .stage,.room .specs{max-width:var(--max);margin-inline:auto}
.room .sec-no{color:var(--room-mut)}
.room-title{
  font-size:clamp(3rem,10vw,9rem);font-weight:820;letter-spacing:-.035em;line-height:.95;
}
.room-sub{color:var(--room-mut);max-width:32rem;margin:1.4rem 0 clamp(2.4rem,6vh,4rem)}
.room .stage .bgv{background:var(--room)}
.specs{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--room-line);border-top:none;
}
.specs>div{padding:1.5rem 1.2rem;border-top:1px solid var(--room-line)}
.specs>div:not(:nth-child(3n+1)){border-left:1px solid var(--room-line)}
.specs dt{
  font-family:var(--mono);font-size:.625rem;letter-spacing:.16em;
  color:var(--room-mut);margin-bottom:.4rem;
}
.specs dd{font-weight:600;font-size:.9375rem;letter-spacing:-.01em}
@media(max-width:860px){
  .specs{grid-template-columns:1fr 1fr}
  .specs>div:not(:nth-child(3n+1)){border-left:none}
  .specs>div:nth-child(2n){border-left:1px solid var(--room-line)}
}

/* ── contact ───────────────────────────────────────────────────────── */
.contact{text-align:left}
.mega{
  display:inline-block;
  font-size:clamp(3rem,11vw,10rem);font-weight:820;line-height:.95;letter-spacing:-.035em;
  background:linear-gradient(currentColor,currentColor) no-repeat 0 100%/0 3px;
  transition:background-size .5s cubic-bezier(.77,0,.18,1);
}
.mega:hover{background-size:100% 3px}
.contact-mail{margin-top:2rem}
.contact-mail a{
  font-family:var(--mono);font-size:.8125rem;letter-spacing:.12em;color:var(--mut);
  transition:color .3s;
}
.contact-mail a:hover{color:var(--accent)}

/* ── footer ────────────────────────────────────────────────────────── */
.footer{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:2rem var(--gutter);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--mut);
  max-width:var(--max);margin:0 auto;
}
.footer nav{display:flex;gap:1.6rem}
.footer a:hover{color:var(--ink)}

/* ── reveals ───────────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(28px);
  transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}
.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ── reduced motion ────────────────────────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
  .cap-list li{transition:none}
}

/* ── v2: footnote ──────────────────────────────────────────────────── */
.fn-ref{color:var(--accent);text-decoration:none;font-weight:600}
.footnote{
  margin-top:1.6rem;font-family:var(--mono);font-size:.6875rem;
  letter-spacing:.12em;color:var(--mut);
}

/* ── v2: application cards ─────────────────────────────────────────── */
.net-sub{color:var(--mut);max-width:38rem;margin:-1rem 0 clamp(2rem,5vh,3.4rem)}
.app-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,3vw,3rem);
  margin-top:clamp(1rem,3vh,2rem);
}
.app-card{border:1px solid var(--line);display:flex;flex-direction:column}
.app-media{background:var(--room)}
.app-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.app-card h3{
  font-size:clamp(1.15rem,1.9vw,1.55rem);font-weight:780;letter-spacing:-.01em;
  padding:1.4rem 1.4rem .5rem;
}
.app-card p{color:var(--mut);padding:0 1.4rem 1.6rem;max-width:52ch}
@media(max-width:860px){.app-grid{grid-template-columns:1fr}}

/* ── v2.1: RF-2 teaser strip ───────────────────────────────────────── */
.room-next{
  max-width:var(--max);margin:1.2rem auto 0;
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.16em;
  color:var(--room-mut);
}