/* ============================================
   Shared Styles — Dark Quant Terminal
   ============================================ */

@import url('tokens.css');

/* ── Font Preconnect ── */
/* Add to HTML <head>:
  <link rel="preconnect" href="https://api.fontshare.com">
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
*/

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Noise Texture Overlay ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.1;
}

h1 { font-size: clamp(2rem, 5vw, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 600; }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 600; }

p { color: var(--text-secondary); max-width: 65ch; }
a { color: var(--text-accent); text-decoration: none; transition: opacity var(--duration-fast) var(--ease-default); }
a:hover { opacity: 0.8; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Glassmorphism ── */
.glass {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
}

.glass-elevated {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hover);
  box-shadow: var(--shadow-3);
  border-radius: var(--radius-md);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-default);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0A0A0A;
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.15);
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.3), 0 0 60px rgba(var(--accent-rgb), 0.1);
  transform: translateY(-1px);
  opacity: 1;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
}
.btn-outline:hover {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.1);
  transform: translateY(-1px);
  opacity: 1;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.08);
}

/* ── Section ── */
.section {
  padding: var(--space-section) 0;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
