/* ============================================================
   THE GREY COMPANY — design tokens
   Base:  dark grey    (#121317 / #1a1c20 / #26292f)
   Glow:  sky blue      (#6fd6ff / #2f7fb0)
   Text:  ice / muted grey
   Type:  Syne (display) / Inter (body) / IBM Plex Mono (data)
   ============================================================ */

:root{
  --grey-950:#0c0d0f;
  --grey-900:#121317;
  --grey-800:#1a1c20;
  --grey-700:#24272c;
  --grey-600:#33373e;
  --grey-400:#6b7178;
  --grey-300:#9aa0a8;

  --ice:#eef2f5;
  --ice-dim:#c7ced4;

  --sky:#6fd6ff;
  --sky-soft:#9fe4ff;
  --sky-deep:#1f6f9c;
  --sky-dim:#2c4a5c;

  --font-display:'Orbitron', sans-serif;
  --font-body:'Courier New', Courier, monospace;
  --font-mono:'Courier New', Courier, monospace;

  --container:1200px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--grey-900);
  color:var(--ice);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{ font-family:var(--font-display); margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

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

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--sky-soft);
  margin:0 0 14px;
}

/* grain overlay for texture */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:200;
  opacity:0.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ NAV ============ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:linear-gradient(to bottom, rgba(12,13,15,0.85), rgba(12,13,15,0));
  backdrop-filter:blur(6px);
}
.nav__inner{
  max-width:var(--container); margin:0 auto; padding:18px 28px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav__brand{ display:flex; align-items:center; gap:12px; }
#logo-canvas{ display:block; filter:drop-shadow(0 0 3px rgba(111,214,255,0.45)); }
.nav__word{ display:flex; flex-direction:column; line-height:1.15; }
.nav__word-main{
  font-family:var(--font-display); font-weight:700; font-size:0.92rem;
  letter-spacing:0.04em;
}
.nav__word-sub{
  font-family:var(--font-mono); font-size:0.58rem; letter-spacing:0.1em;
  color:var(--grey-300); text-transform:uppercase;
}
.nav__links{ display:flex; align-items:center; gap:28px; font-size:0.88rem; color:var(--ice-dim); }
.nav__links a{ transition:color 0.2s ease; }
.nav__links a:hover{ color:var(--sky); }
.nav__links a.is-active{ color:var(--sky-soft); }
.nav__cta{
  border:1px solid var(--sky-dim);
  padding:9px 16px; border-radius:2px;
  color:var(--sky-soft) !important;
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.06em; text-transform:uppercase;
}
.nav__cta:hover{ border-color:var(--sky); background:rgba(111,214,255,0.06); }
.nav__burger{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; }
.nav__burger span{ width:22px; height:2px; background:var(--ice); display:block; }

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100vh;
  width:100%;
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(120% 90% at 50% 12%, rgba(47,127,176,0.35), rgba(18,19,23,0) 55%),
    linear-gradient(180deg, #0d3550 0%, var(--grey-900) 42%, var(--grey-950) 100%);
}
#scene-canvas{
  position:absolute; inset:0; width:100%; height:100%; display:block;
}
.hero__video{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
}
.hero__glow{
  position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(180deg, rgba(111,214,255,0.16) 0%, rgba(111,214,255,0) 32%),
    radial-gradient(60% 45% at 50% 100%, rgba(12,13,15,0.9), rgba(12,13,15,0) 70%);
}

.hud{
  position:absolute; inset:0; z-index:5; pointer-events:none;
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.08em;
  color:rgba(159,228,255,0.55); text-transform:uppercase;
}
.hud__row{ position:absolute; display:flex; gap:16px; }
.hud__row--tl{ top:96px; left:28px; }
.hud__row--tr{ top:96px; right:28px; flex-direction:row-reverse; }
.hud__row--bl{ bottom:120px; left:28px; }
.hud__row--br{ bottom:120px; right:28px; }

.hero__content{
  position:relative; z-index:6;
  text-align:center;
  max-width:820px;
  padding:0 24px;
  margin-top:20px;
}
.hero__title{ display:flex; flex-direction:column; align-items:center; }
.hero__title-line--sm{
  font-family:var(--font-body); font-weight:500; font-size:1.05rem;
  color:var(--ice-dim); letter-spacing:0.04em; margin-bottom:6px;
}
.hero__title-line--big{
  font-size:clamp(3.4rem, 12vw, 8.2rem);
  font-weight:800;
  letter-spacing:0.01em;
  line-height:0.95;
  background:linear-gradient(180deg, #ffffff 10%, var(--sky-soft) 60%, var(--sky) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  text-shadow:0 0 60px rgba(111,214,255,0.35);
}
.hero__sub{
  margin:26px auto 0; max-width:560px;
  font-size:1rem; line-height:1.6; color:var(--ice-dim);
}
.hero__actions{
  margin-top:34px; display:flex; gap:16px; justify-content:center; flex-wrap:wrap;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 26px; border-radius:2px;
  font-size:0.88rem; font-weight:600; letter-spacing:0.02em;
  transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn--primary{
  background:linear-gradient(180deg, var(--sky-soft), var(--sky-deep));
  color:#0b1216;
  box-shadow:0 0 0 1px rgba(111,214,255,0.3), 0 12px 30px -10px rgba(47,127,176,0.7);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 0 0 1px rgba(111,214,255,0.5), 0 16px 36px -8px rgba(47,127,176,0.85); }
.btn--ghost{
  border:1px solid var(--grey-600); color:var(--ice-dim);
}
.btn--ghost:hover{ border-color:var(--sky-dim); color:var(--sky-soft); }

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:6;
  width:22px; height:36px; border:1px solid var(--grey-400); border-radius:12px;
}
.scroll-cue span{
  display:block; width:3px; height:8px; margin:6px auto 0;
  background:var(--sky-soft); border-radius:2px;
  animation:scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{
  0%{ opacity:1; transform:translateY(0); }
  70%{ opacity:0; transform:translateY(12px); }
  100%{ opacity:0; }
}

/* ============ CAPABILITIES ============ */
.capabilities{
  background:var(--grey-900);
  padding:120px 24px 100px;
}
.section-head{
  max-width:var(--container); margin:0 auto 56px;
}
.section-head h2{
  font-size:clamp(1.8rem,3.4vw,2.6rem); font-weight:700; max-width:640px; color:var(--ice);
}

.cap-grid{
  max-width:var(--container); margin:0 auto;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
  background:var(--grey-700);
  border:1px solid var(--grey-700);
}
.cap-card{
  background:var(--grey-900);
  padding:36px 30px 30px;
  transition:background 0.25s ease;
}
.cap-card:hover{ background:var(--grey-800); }
.cap-card__index{
  font-family:var(--font-mono); font-size:0.72rem; color:var(--sky-dim);
  letter-spacing:0.1em; margin-bottom:22px;
}
.cap-card h3{
  font-size:1.28rem; font-weight:700; margin-bottom:14px; color:var(--ice);
}
.cap-card p{
  font-size:0.92rem; line-height:1.6; color:var(--grey-300);
}
.cap-card__specs{
  margin-top:24px; padding-top:18px; border-top:1px solid var(--grey-700);
  display:flex; flex-direction:column; gap:9px;
}
.cap-card__specs li{
  display:flex; justify-content:space-between;
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.02em;
}
.cap-card__specs li span:first-child{ color:var(--grey-400); text-transform:uppercase; }
.cap-card__specs li span:last-child{ color:var(--sky-soft); }

/* ============ NETWORK / STATS ============ */
.network{
  background:var(--grey-950);
  padding:110px 24px;
  border-top:1px solid var(--grey-700);
  border-bottom:1px solid var(--grey-700);
}
.network__inner{
  max-width:var(--container); margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.network__text h2{
  font-size:clamp(1.7rem,3vw,2.3rem); font-weight:700; margin:0 0 18px; max-width:460px;
}
.network__body{ color:var(--grey-300); font-size:0.96rem; line-height:1.7; max-width:440px; }
.network__stats{
  display:grid; grid-template-columns:1fr 1fr; gap:34px 28px;
}
.stat{ display:flex; flex-direction:column; }
.stat__num{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(2.2rem,4vw,3.1rem); color:var(--ice);
  background:linear-gradient(180deg,#fff, var(--sky-soft));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat__unit{ font-family:var(--font-display); font-weight:700; font-size:1.4rem; color:var(--sky-soft); }
.stat__label{ margin-top:8px; font-size:0.78rem; color:var(--grey-400); letter-spacing:0.01em; }

/* ============ CTA ============ */
.cta{
  padding:130px 24px;
  text-align:center;
  background:
    radial-gradient(70% 100% at 50% 0%, rgba(47,127,176,0.22), rgba(18,19,23,0) 60%),
    var(--grey-900);
}
.cta__inner{ max-width:560px; margin:0 auto; }
.cta h2{ font-size:clamp(2rem,4vw,2.8rem); font-weight:700; margin-bottom:14px; }
.cta__body{ color:var(--grey-300); font-size:1rem; margin-bottom:38px; }
.cta__form{
  display:flex; flex-direction:column; gap:12px;
}
.cta__form input{
  width:100%; padding:14px 16px;
  background:var(--grey-800); border:1px solid var(--grey-600);
  color:var(--ice); font-family:var(--font-body); font-size:0.92rem; border-radius:2px;
  transition:border-color 0.2s ease;
}
.cta__form input::placeholder{ color:var(--grey-400); }
.cta__form input:focus{ border-color:var(--sky); outline:none; }
.cta__form .btn{ margin-top:8px; }
.cta__note{ margin-top:16px; font-family:var(--font-mono); font-size:0.78rem; color:var(--sky-soft); min-height:1em; }

/* ============ FOOTER ============ */
.footer{
  background:var(--grey-950);
  padding:44px 24px;
  border-top:1px solid var(--grey-700);
}
.footer__inner{
  max-width:var(--container); margin:0 auto;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:18px;
}
.footer__brand{ display:flex; flex-direction:column; }
.footer__word{ font-family:var(--font-display); font-weight:700; font-size:0.88rem; letter-spacing:0.04em; }
.footer__tag{ font-family:var(--font-mono); font-size:0.62rem; color:var(--grey-400); letter-spacing:0.08em; text-transform:uppercase; margin-top:4px; }
.footer__links{ display:flex; gap:22px; font-size:0.84rem; color:var(--grey-300); }
.footer__links a:hover{ color:var(--sky-soft); }
.footer__copy{ font-family:var(--font-mono); font-size:0.68rem; color:var(--grey-400); }

/* ============ RESPONSIVE ============ */
@media (max-width:860px){
  .nav__links{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px);
    background:var(--grey-950); border-left:1px solid var(--grey-700);
    flex-direction:column; align-items:flex-start; justify-content:center;
    padding:32px; gap:26px;
    transform:translateX(100%); transition:transform 0.3s ease;
  }
  .nav__links.open{ transform:translateX(0); }
  .nav__burger{ display:flex; }
  .hud__row--tl, .hud__row--tr{ top:80px; }
  .hud__row--bl, .hud__row--br{ display:none; }
  .cap-grid{ grid-template-columns:1fr; }
  .network__inner{ grid-template-columns:1fr; }
  .network__stats{ grid-template-columns:1fr 1fr; }
}

@media (max-width:480px){
  .hero__title-line--big{ font-size:clamp(2.6rem, 18vw, 4rem); }
  .nav__word-sub{ display:none; }
}

/* Nav show/hide toggle */
.nav{ transition:transform .35s ease, opacity .35s ease; }
.nav.nav--hidden{ transform:translateY(-100%); opacity:0; pointer-events:none; }
.nav-toggle{
  position:fixed; bottom:18px; right:18px; z-index:101;
  width:30px; height:30px; display:flex; align-items:center; justify-content:center;
  border-radius:50%; border:1px solid rgba(255,255,255,0.18);
  background:rgba(12,13,15,0.7); color:#e6edf3; cursor:pointer; backdrop-filter:blur(6px);
}
.nav-toggle:hover{ border-color:rgba(255,255,255,0.4); }