/* ====================================================================
   TENSORIUM · Light Design System
   Warm cream × GPU orange × precision blue.
   Editorial, technical, distinctive — not another dark Web3 page.
   ==================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* ── Surfaces ─── */
  --bg-0:      #F5F0E8;
  --bg-1:      #EFE9DE;
  --bg-2:      #E6DFD1;
  --bg-3:      #D9D0C0;
  --surface:   #FFFFFF;
  --surface-2: #F8F4EE;
  --surface-hi:#FFFFFF;

  /* ── Lines ─── */
  --line:        #E1DBD0;
  --line-2:      #C9C2B4;
  --line-strong: #B0A898;

  /* ── Text ─── */
  --chrome-0:  #1C1916;
  --chrome-1:  #2E2B26;
  --chrome-2:  #6A6560;
  --chrome-3:  #9C9890;
  --chrome-4:  rgba(156,152,144,.3);

  /* ── Orange (primary — GPU heat) ─── */
  --cyan:       #E05C0B;
  --cyan-deep:  #C04D0A;
  --orange:     #E05C0B;
  --orange-dim: rgba(224,92,11,.09);

  /* ── Blue (secondary — precision) ─── */
  --violet:      #1D4ED8;
  --violet-deep: #1A42B8;
  --blue:        #1D4ED8;
  --blue-dim:    rgba(29,78,216,.07);

  /* ── Other ─── */
  --mint:    #15803D;
  --amber:   #B45309;
  --danger:  #DC2626;

  /* ── Shadows (replace glows) ─── */
  --glow-cyan:   0 0 0 1px rgba(224,92,11,.14), 0 2px 16px rgba(28,22,14,.06);
  --glow-soft:   0 1px 3px rgba(28,22,14,.04), 0 4px 20px rgba(28,22,14,.06);
  --glow-violet: 0 0 0 1px rgba(29,78,216,.10), 0 2px 12px rgba(29,78,216,.06);

  /* ── Typography ─── */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* ── Layout ─── */
  --radius:    10px;
  --radius-sm: 7px;
  --radius-lg: 16px;
  --maxw:      1240px;
  --nav-h:     64px;

  /* ── Gradients ─── */
  --grad-accent: linear-gradient(120deg, #E05C0B, #B84208 55%, #CC4A0A);
  --grad-text:   linear-gradient(135deg, #1C1916 0%, #5C3D20 100%);
  --grad-chrome: linear-gradient(180deg, #1C1916, #6A5840);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-display);
  background: var(--bg-0);
  color: var(--chrome-1);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Warm radial atmosphere (very subtle) */
.atmos {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 500px at 80% -5%, rgba(224,92,11,.07), transparent 60%),
    radial-gradient(700px 500px at -5% 15%, rgba(29,78,216,.04), transparent 55%),
    var(--bg-0);
}

/* Engineering dot-grid (like graph paper) */
.grid-layer {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(circle, rgba(150,135,115,.30) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(1300px 800px at 50% 0%, #000 15%, transparent 75%);
  -webkit-mask-image: radial-gradient(1300px 800px at 50% 0%, #000 15%, transparent 75%);
}

::selection { background: rgba(224,92,11,.18); color: var(--chrome-0); }

/* ── Typography ──────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--chrome-0);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.7rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.45rem); }
p { margin: 0 0 1rem; color: var(--chrome-2); text-wrap: pretty; }
a { color: var(--orange); text-decoration: none; }

.mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .70rem;
  font-weight: 600;
  letter-spacing: .30em;
  text-transform: uppercase;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.grad-text {
  background: linear-gradient(120deg, var(--orange) 30%, #B84208 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.chrome-text { color: var(--chrome-0); }
.lead { font-size: clamp(1.0rem, 1.5vw, 1.18rem); color: var(--chrome-2); line-height: 1.72; }
.muted { color: var(--chrome-3); }

/* ── Layout ──────────────────────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(18px, 4vw, 48px); }
.section { padding: clamp(60px, 8vw, 96px) 0; }
.section-head { max-width: 680px; margin-bottom: clamp(36px, 5vw, 54px); }
.section-head h2 { margin: 12px 0 16px; }
.kicker-row { display: flex; align-items: center; gap: 12px; }

/* ── Reveal ──────────────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s cubic-bezier(.2,.8,.3,1), transform .5s cubic-bezier(.2,.8,.3,1); }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal.in { opacity: 1; transform: none; }
.reveal-bar { transform: scaleX(0); transform-origin: left; transition: transform 1.2s cubic-bezier(.2,.8,.3,1) .3s; }
.reveal-bar.in, .in .reveal-bar { transform: scaleX(1); }

/* ── Navigation ──────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245,240,232,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  height: var(--nav-h);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px);
  height: 100%;
  display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.06rem; color: var(--chrome-0); letter-spacing: -.015em; }
.brand-name .sub { color: var(--orange); }
.nav-links { display: flex; gap: 4px; margin: 0 auto 0 28px; }
.nav-links a { font-size: .9rem; font-weight: 500; color: var(--chrome-2); padding: 6px 12px; border-radius: var(--radius-sm); transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--chrome-0); background: rgba(28,25,22,.06); }
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-toggle { display: none; }
@media (max-width: 840px) { .nav-links { display: none; } .nav-toggle { display: flex; } }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius-sm);
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  cursor: pointer; border: none; text-decoration: none;
  transition: background .2s, box-shadow .2s, transform .15s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 1px 3px rgba(224,92,11,.28), 0 4px 14px rgba(224,92,11,.14); }
.btn-primary:hover { background: #C84D09; box-shadow: 0 2px 8px rgba(224,92,11,.32), 0 6px 20px rgba(224,92,11,.16); color: #fff; }

.btn-ghost { background: transparent; color: var(--chrome-1); border: 1px solid var(--line-2); }
.btn-ghost:hover { background: rgba(28,25,22,.05); border-color: var(--line-strong); color: var(--chrome-0); }

.btn-sm { padding: 7px 14px; font-size: .84rem; }

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 600; letter-spacing: .04em; }
.badge.mono { font-family: var(--font-mono); font-size: .69rem; }
.badge-cyan { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(224,92,11,.18); }
.badge-violet { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(29,78,216,.15); }
.badge-amber { background: rgba(180,83,9,.08); color: var(--amber); border: 1px solid rgba(180,83,9,.2); }
.badge-live { background: rgba(21,128,61,.10); color: var(--mint); border: 1px solid rgba(21,128,61,.25); }
.badge-live .dot, .badge-pulse .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; display: inline-block; }
@keyframes badge-pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:.5;transform:scale(1.4);} }
.badge-pulse .dot { animation: badge-pulse 2s ease-in-out infinite; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card-glow { box-shadow: var(--glow-soft); }
.card-hover { transition: border-color .2s, box-shadow .2s, transform .2s; }
.card-hover:hover { border-color: rgba(224,92,11,.4); box-shadow: 0 0 0 1px rgba(224,92,11,.10), 0 8px 32px rgba(28,22,14,.08); transform: translateY(-2px); }

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--glow-soft); }
.stat-label { font-family: var(--font-mono); font-size: .70rem; text-transform: uppercase; letter-spacing: .18em; color: var(--chrome-3); margin-bottom: 8px; }
.stat-value { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; color: var(--chrome-0); display: flex; align-items: baseline; gap: 4px; }
.unit { font-size: .82rem; font-weight: 600; color: var(--chrome-2); }

/* ── Terminal (light cream theme) ────────────────────────────────────── */
.terminal { background: #F0EAE0; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; box-shadow: var(--glow-soft); }
.terminal-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: #E6DECE; border-bottom: 1px solid var(--line-2); }
.dots { display: flex; gap: 6px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: #EC6A5E; }
.dots i:nth-child(2) { background: #F5BE44; }
.dots i:nth-child(3) { background: #62C554; }
.tt { font-family: var(--font-mono); font-size: .72rem; color: var(--chrome-2); margin: 0 auto; }
.terminal-body { padding: 20px; font-family: var(--font-mono); font-size: .82rem; line-height: 1.9; color: #33302A; overflow-x: auto; }
.ln { display: block; }
.pr { color: var(--orange); font-weight: 600; margin-right: 4px; }
.ok { color: #15803D; }
.cm { color: #9C9890; }
.va { color: #1D4ED8; }
.fl { color: var(--orange); }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }
.cursor-blink { display: inline-block; width: 7px; height: .9em; background: var(--orange); vertical-align: middle; margin-left: 2px; animation: blink 1.1s steps(1) infinite; }

.copy-btn { font-family: var(--font-mono); font-size: .7rem; color: var(--chrome-3); background: none; border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 8px; cursor: pointer; transition: color .2s, border-color .2s; }
.copy-btn:hover { color: var(--orange); border-color: rgba(224,92,11,.3); }
.copy-btn.copied { color: var(--mint); border-color: rgba(21,128,61,.3); }

/* ── Tag ─────────────────────────────────────────────────────────────── */
.tag { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Footer ──────────────────────────────────────────────────────────── */
.footer { background: var(--bg-1); border-top: 1px solid var(--line); padding: clamp(48px,6vw,72px) 0 clamp(28px,4vw,40px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: clamp(24px,4vw,48px); margin-bottom: 40px; }
.footer h5 { font-size: .76rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--chrome-0); margin-bottom: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul li a { font-size: .9rem; color: var(--chrome-2); transition: color .2s; }
.footer ul li a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: .73rem; color: var(--chrome-3); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; gap: 8px; text-align: center; } }

/* ── Mobile menu ─────────────────────────────────────────────────────── */
.mobile-menu { display: none; }
.mobile-menu.open { display: block; position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99; background: rgba(245,240,232,.97); backdrop-filter: blur(20px); border-bottom: 1px solid var(--line); padding: 16px 18px; }
.mobile-menu a { display: block; padding: 12px 8px; color: var(--chrome-1); font-weight: 500; border-bottom: 1px solid var(--line); }