@tailwind base;
@tailwind components;
@tailwind utilities;

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Instrument+Serif:ital@0;1&display=swap');

@layer base {
  :root {
    --font-sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
    --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;

    /* Fibe dark tokens */
    --background: #08080a;
    --foreground: #fafafa;
    --card: #121214;
    --card-foreground: #fafafa;
    --muted: #1c1c1f;
    --muted-foreground: #a1a1aa;
    --accent: #1a1525;
    --accent-foreground: #c4b5fd;
    --border: rgba(139, 92, 246, 0.15);
    --border-subtle: rgba(139, 92, 246, 0.08);
    --primary: #a78bfa;
    --primary-dark: #8b5cf6;
    --primary-light: #c4b5fd;
    --ring: #8b5cf6;
    --radius: 0.75rem;
    --radius-xl: 1rem;
    --shadow-glass: 0 8px 32px 0 rgb(139 92 246 / 0.12);
    --shadow-elevated: 0 8px 30px -4px rgb(0 0 0 / 0.5), 0 4px 10px -4px rgb(0 0 0 / 0.4);
    --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* Semantic text scale — dark defaults */
    --ft-primary:  rgba(250,250,250,0.92);
    --ft-muted:    rgba(161,161,170,0.75);
    --ft-subtle:   rgba(161,161,170,0.48);
    --ft-dimmed:   rgba(161,161,170,0.32);
    --ft-ghost:    rgba(161,161,170,0.2);
    --ft-white:    rgba(255,255,255,0.9);

    /* Section / surface */
    --section-alt: rgba(139,92,246,0.025);
  }

  /* ─── LIGHT THEME ─── */
  [data-theme="light"] {
    --background: #f8f8f6;
    --foreground: #18181b;
    --card: #ffffff;
    --card-foreground: #18181b;
    --muted: #f1f0ee;
    --muted-foreground: #71717a;
    --accent: #f5f3ff;
    --accent-foreground: #7c3aed;
    --border: rgba(124, 58, 237, 0.18);
    --border-subtle: rgba(124, 58, 237, 0.09);
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #8b5cf6;
    --ring: #7c3aed;
    --shadow-glass: 0 2px 24px 0 rgb(124 58 237 / 0.08);
    --shadow-elevated: 0 2px 16px -2px rgb(0 0 0 / 0.1);

    /* Text scale — light */
    --ft-primary:  rgba(24,24,27,0.92);
    --ft-muted:    rgba(39,39,42,0.68);
    --ft-subtle:   rgba(39,39,42,0.48);
    --ft-dimmed:   rgba(39,39,42,0.35);
    --ft-ghost:    rgba(39,39,42,0.2);
    --ft-white:    rgba(24,24,27,0.9);

    --section-alt: rgba(124,58,237,0.03);
  }

  /* Phoenix logo animation */
  @keyframes header-flame-out {
    0%   { transform: translate(-50%,-50%) scale(1);    opacity: 1;    filter: brightness(1); }
    8%   {                                              opacity: 0.98; filter: brightness(1.12); }
    28%  { transform: translate(-50%,-50%) scale(0.85); opacity: 0.95; }
    42%  { transform: translate(-50%,-50%) scale(0.3);  opacity: 0.25; filter: brightness(1.3); }
    48%  { transform: translate(-50%,-50%) scale(0.12); opacity: 0; }
    52%  { transform: translate(-50%,-50%) scale(0.08); opacity: 0; }
    68%  { transform: translate(-50%,-50%) scale(0.55); opacity: 0.65; filter: brightness(1.15); }
    82%  { transform: translate(-50%,-50%) scale(0.92); opacity: 0.95; }
    100% { transform: translate(-50%,-50%) scale(1);    opacity: 1;    filter: brightness(1); }
  }

  @keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50%       { background-position: 100% 50%; }
  }

  @keyframes floatUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  @keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(167,139,250,0.2); }
    50%       { box-shadow: 0 0 50px rgba(167,139,250,0.4), 0 0 80px rgba(139,92,246,0.2); }
  }

  @keyframes ticker {
    from { transform: translateX(0); }
    to   { transform: translateX(-33.3333%); }
  }

  .animate-flame-out  { animation: header-flame-out 3.2s cubic-bezier(0.4,0,0.2,1) infinite; }
  .animate-float-up   { animation: floatUp 0.6s ease-out forwards; }
  .animate-pulse-glow { animation: pulseGlow 3s ease-in-out infinite; }
  .animate-ticker     { animation: ticker 50s linear infinite; }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  background: var(--background);
  color: var(--foreground);
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--foreground);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

/* Display font for headings */
.font-display {
  font-family: var(--font-display);
}

/* ─── ANIMATED GRADIENT BACKGROUND ─── */
.bg-fibe {
  background: linear-gradient(135deg, #0b0916 0%, #0f0c29 25%, #1a1540 50%, #261f5a 75%, #1e1a42 100%);
  background-size: 400% 400%;
  animation: gradientShift 18s ease infinite;
}

[data-theme="light"] .bg-fibe {
  background: linear-gradient(135deg, #ffffff 0%, #fdf9ff 25%, #f5efff 50%, #fdf9ff 75%, #ffffff 100%);
  background-size: 400% 400%;
  animation: gradientShift 18s ease infinite;
}

/* ─── GRID OVERLAY ─── */
.grid-overlay {
  background-image:
    linear-gradient(rgba(139,92,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.04) 1px, transparent 1px);
  background-size: 52px 52px;
}

[data-theme="light"] .grid-overlay {
  background-image:
    linear-gradient(rgba(124,58,237,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.05) 1px, transparent 1px);
}

/* ─── GLASS CARDS ─── */
.glass {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

[data-theme="light"] .glass {
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(124,58,237,0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05), 0 4px 20px rgba(124,58,237,0.06);
}

.glass-strong {
  background: rgba(26,21,37,0.7);
  border: 1px solid rgba(167,139,250,0.18);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-glass);
}

[data-theme="light"] .glass-strong {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(124,58,237,0.18);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.08), 0 0 0 1px rgba(124,58,237,0.08);
}

/* ─── GLOW ORBS ─── */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(1px);
}

[data-theme="light"] .glow-orb {
  opacity: 0.3;
  filter: blur(2px);
}

/* ─── GRADIENT TEXT ─── */
.gradient-text {
  background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 40%, #818cf8 80%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 50%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── TAGS / PILLS ─── */
.tag {
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.2);
  color: #c4b5fd;
  font-size: 0.7rem;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

[data-theme="light"] .tag {
  background: rgba(124,58,237,0.07);
  border-color: rgba(124,58,237,0.18);
  color: #7c3aed;
}

/* ─── text-white override in light mode ─── */
[data-theme="light"] .text-white {
  color: #18181b !important;
}

/* ─── Terminal — always dark regardless of theme ─── */
.terminal-mockup {
  background: rgba(15,12,26,0.95);
}
[data-theme="light"] .terminal-mockup {
  box-shadow: 0 8px 40px rgba(0,0,0,0.18), 0 0 0 1px rgba(124,58,237,0.15) !important;
}
[data-theme="light"] .terminal-mockup * {
  /* Terminal internals stay dark — do NOT override */
}

/* ─── NAV border ─── */
[data-theme="light"] nav {
  background: rgba(248,248,246,0.85) !important;
  border-bottom-color: rgba(124,58,237,0.12) !important;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

/* ─── Section border dividers ─── */
[data-theme="light"] [style*="rgba(139,92,246,0.08)"] {
  /* handled via CSS variable approach */
}

/* ─── Comparison table ─── */
[data-theme="light"] .comparison-row:nth-child(even) {
  background: rgba(124,58,237,0.02);
}

/* ─── Pulse glow — light adaptation ─── */
[data-theme="light"] .animate-pulse-glow {
  animation: none;
  box-shadow: 0 4px 32px rgba(124,58,237,0.12);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb { background: rgba(139,92,246,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(139,92,246,0.4); }