/* hiublue east, design tokens
   Derived from logo: deep navy + vivid blue + white */

:root {
  color-scheme: only light;
  /* Brand */
  --ink: #0A2A5E;          /* hü navy */
  --ink-900: #061836;      /* darker navy for dark mode bg */
  --ink-950: #030C22;      /* deepest */
  --blue: #2979FF;         /* vivid brand blue */
  --blue-600: #1565DD;
  --blue-400: #6AA8FF;     /* accent azure */
  --blue-50: #E8F1FF;

  /* Neutrals */
  --paper: #EEF3FC;        /* frosty blue-tinted page bg */
  --paper-2: #E3EAF6;
  --white: #FFFFFF;
  --ink-70: rgba(10,42,94,0.70);
  --ink-50: rgba(10,42,94,0.50);
  --ink-20: rgba(10,42,94,0.20);
  --ink-10: rgba(10,42,94,0.10);
  --ink-05: rgba(10,42,94,0.05);

  /* Accents (only 2, varied hue, same chroma/lightness) */
  --accent-signal: oklch(0.72 0.17 60);   /* warm amber for highlights */
  --accent-signal-2: oklch(0.72 0.17 200); /* cool cyan */

  /* Type */
  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Scale */
  --r-1: 4px;
  --r-2: 8px;
  --r-3: 12px;
  --r-4: 16px;
  --r-pill: 999px;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* Shadows */
  --shadow-soft: 0 1px 2px rgba(10,42,94,0.04), 0 8px 24px rgba(10,42,94,0.06);
  --shadow-card: 0 2px 4px rgba(10,42,94,0.06), 0 18px 40px -12px rgba(10,42,94,0.14);
  --shadow-lift: 0 24px 60px -20px rgba(10,42,94,0.30);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.68);
  --glass-bg-tint: rgba(41, 121, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-border-soft: rgba(255, 255, 255, 0.5);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --glass-shadow: 0 8px 32px rgba(10, 42, 94, 0.08), 0 2px 8px rgba(10, 42, 94, 0.04);
  --glass-shadow-lift: 0 16px 48px rgba(10, 42, 94, 0.14), 0 4px 12px rgba(10, 42, 94, 0.06);
  --glass-blur: saturate(180%) blur(24px);
  --glass-blur-strong: saturate(200%) blur(32px);
}

/* Dark theme variables */
.theme-dark {
  color-scheme: only dark;
  --paper: var(--ink-950);
  --paper-2: var(--ink-900);
  --ink: #E8EEFB;
  --ink-70: rgba(232,238,251,0.75);
  --ink-50: rgba(232,238,251,0.55);
  --ink-20: rgba(232,238,251,0.20);
  --ink-10: rgba(232,238,251,0.10);
  --ink-05: rgba(232,238,251,0.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 1200px 800px at 12% -8%, rgba(41,121,255,0.28), transparent 60%),
    radial-gradient(ellipse 1000px 700px at 92% 8%, rgba(106,168,255,0.32), transparent 55%),
    radial-gradient(ellipse 900px 700px at 8% 55%, rgba(41,121,255,0.20), transparent 58%),
    radial-gradient(ellipse 1100px 800px at 95% 60%, rgba(10,42,94,0.14), transparent 60%),
    radial-gradient(ellipse 1400px 900px at 50% 100%, rgba(41,121,255,0.16), transparent 60%),
    var(--paper);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Typography primitives */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.95;
}
.mono { font-family: var(--font-mono); font-feature-settings: "ss01"; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-70);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 22px;
  border-radius: var(--r-pill);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-600); transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--blue-600); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink-20); }
.btn-ghost:hover { background: var(--ink-05); }

/* Pills / chips */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--r-pill);
  background: var(--ink-05); color: var(--ink);
  font-size: 13px; font-weight: 500;
}
.pill.dot::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue);
}

/* Shared nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  background: rgba(238, 243, 252, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--glass-highlight), 0 1px 0 rgba(10, 42, 94, 0.04);
}
.nav-inner {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
}
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.logo-img { height: 28px; display: block; }

/* Sections */
.section { padding: var(--s-9) 32px; }
.container { max-width: 1240px; margin: 0 auto; }

/* Footer */
.footer {
  border-top: 1px solid var(--ink-10);
  padding: var(--s-8) 32px var(--s-7);
  background: transparent;
}
.footer-inner { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer h5 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-50); margin: 0 0 14px; font-weight: 500; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a { color: var(--ink-70); text-decoration: none; font-size: 14px; }
.footer a:hover { color: var(--ink); }

/* Utility */
.marquee {
  display: flex; gap: 64px;
  animation: scroll 30s linear infinite;
  width: max-content;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Glassmorphism utilities */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--r-4);
  box-shadow: var(--glass-shadow), var(--glass-highlight);
}
.glass-strong {
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-4);
  box-shadow: var(--glass-shadow-lift), var(--glass-highlight);
}
.glass-pill {
  background: rgba(10, 42, 94, 0.75);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 6px 18px rgba(10, 42, 94, 0.22);
}

/* Placeholder art tile (used for imagery) */
.placeholder {
  background:
    repeating-linear-gradient(135deg, var(--ink-05) 0 10px, transparent 10px 20px),
    var(--paper-2);
  border: 1px dashed var(--ink-20);
  border-radius: var(--r-3);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-50);
  font-family: var(--font-mono);
  font-size: 12px;
}