/* ═══════════════════════════════════════════════════════════
   MAIN.CSS  —  design tokens · base reset · shared utilities
   ═══════════════════════════════════════════════════════════ */

/* ── Design tokens ─────────────────────────────────────── */
:root {
  --bg:              #020617;
  --bg-card:         rgba(10, 22, 40, 0.75);
  --accent:          #3b82f6;
  --accent-light:    #60a5fa;
  --accent-glow:     rgba(59, 130, 246, 0.45);
  --text:            #f1f5f9;
  --muted:           #94a3b8;
  --border:          rgba(59, 130, 246, 0.14);

  --font:            'Outfit', system-ui, sans-serif;

  --ease-out-expo:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-spring: cubic-bezier(0.22, 1, 0.36, 1);

  --transition-base: 200ms ease;
  --radius-pill:     9999px;
}

/* ── Base reset ────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  overflow-x: hidden;
}

::selection                { background: var(--accent-glow); color: #fff; }

/* ── Shared utility classes ────────────────────────────── */

/* Glassmorphism card / surface */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
}

/* Horizontal gradient rule */
.divider {
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(59, 130, 246, 0.28),
    transparent
  );
}

/* ── Shared animations ─────────────────────────────────── */

/* Generic slow pulse for indicator dots */
@keyframes pulseDot {
  0%, 100% { opacity: 1;   transform: scale(1);    }
  50%       { opacity: 0.5; transform: scale(0.75); }
}
.pulse-dot { animation: pulseDot 2s ease-in-out infinite; }

/* Scroll-reveal: elements start hidden, gain .visible via JS */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity  0.85s var(--ease-out-spring),
    transform 0.85s var(--ease-out-spring);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hover-lift for cards */
.lift {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.lift:hover { transform: translateY(-3px); }