/* ════════════════════════════════════════════════
   Channel 1 — Shared Styles
   styles.css
   ════════════════════════════════════════════════ */

/* ── Fonts ── */
@font-face {
  font-family: 'ABC Diatype';
  src: url('ABCDiatypeVariable.woff2') format('woff2'),
       url('ABCDiatypeVariable.woff') format('woff'),
       url('ABCDiatypeVariable.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'CoFo Sans Mono';
  src: url('CoFoSansSemi-Mono-Medium.otf') format('opentype');
  font-weight: 500;
  font-display: swap;
}

/* ── Design Tokens ── */
:root {
  --c100: #CCE0FF; --c300: #66A3FF; --c500: #0066FF; --c700: #0044AA; --c900: #001A3D;
  --p100: #FFF3D6; --p300: #FFD466; --p500: #FFB700; --p700: #A67700; --p900: #3D2C00;
  --g100: #D4FFF0; --g300: #5EEDB8; --g500: #00895E; --g700: #005C3F; --g900: #0A2E20;
  --e100: #FFF0EC; --e300: #FFB09E; --e500: #FF6B4A; --e700: #CC3A1A; --e900: #2E1510;
  --w: #FFFFFF; --n50: #F0F2F7; --n100: #E6EAF2; --n150: #E6EAF2; --n200: #D0D4DE;
  --n400: #9DA1AB; --n500: #717378; --n700: #45484D; --n900: #17181A; --black: #000000;
  --sans: 'ABC Diatype', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'CoFo Sans Mono', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--n900);
  background: var(--w);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }

/* ── Shared Utilities ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.eyebrow {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: 11px; letter-spacing: 0.1em;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before {
  content: ''; display: block; width: 24px; height: 1px;
}
.btn {
  padding: 14px 32px; border-radius: 1000px;
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: 12px; letter-spacing: 0.04em;
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn--primary { background: var(--c500); color: var(--w); }
.btn--primary:hover { background: var(--c300); color: var(--c900); }
.btn--ghost {
  background: transparent; color: var(--n700);
  border: 1px solid var(--n200);
}
.btn--ghost:hover { border-color: var(--n700); color: var(--n900); }

/* ── Reveal Animation ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }


/* ════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 64px;
  background: rgba(23, 24, 26, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 48px;
  display: flex; align-items: center; height: 100%;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--w); font-weight: 550; font-size: 15px; letter-spacing: -0.01em;
}
.nav-logo svg { width: 30px; height: 27px; }
.nav-links {
  display: flex; gap: 32px; margin-left: 48px;
}
.nav-links a {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--n400); transition: color 0.2s;
}
.nav-links a:hover { color: var(--w); }
.nav-right { margin-left: auto; }
.nav-cta {
  background: var(--c500); color: var(--w);
  padding: 8px 22px; border-radius: 1000px;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  transition: all 0.25s; display: inline-block;
}
.nav-cta:hover { background: var(--c300); color: var(--c900); }


/* ════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════ */
footer {
  background: var(--n900); color: var(--w);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 48px 0;
}
.footer__grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 64px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer__brand { display: flex; flex-direction: column; gap: 16px; }
.footer__logo { display: flex; align-items: center; gap: 10px; }
.footer__logo svg { width: 30px; height: 27px; }
.footer__tagline { font-size: 13px; color: var(--n500); line-height: 1.6; }
.footer__col h4 {
  font-size: 13px; font-weight: 550; margin-bottom: 16px; color: var(--w);
}
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__link { font-size: 13px; color: var(--n400); transition: color 0.2s; }
.footer__link:hover { color: var(--c300); }

.footer__bottom {
  max-width: 1200px; margin: 0 auto;
  padding: 32px 0; display: flex; flex-direction: column; gap: 24px;
}
.footer__colors { display: flex; height: 3px; border-radius: 2px; overflow: hidden; }
.footer__colors div { flex: 1; }
.footer__colors .fc-blue { background: var(--c500); }
.footer__colors .fc-amber { background: var(--p500); }
.footer__colors .fc-emerald { background: var(--g500); }
.footer__colors .fc-coral { background: var(--e500); }
.footer__info {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--n500);
}


/* ════════════════════════════════════════════════
   RESPONSIVE — Shared breakpoints
   ════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .nav-links { display: none; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__info { flex-direction: column; gap: 12px; text-align: center; }
}