@import "tailwindcss";

/* ─── Theme variables ─── */
:root,
[data-theme="dark"] {
  --theme-bg: #0a0a0f;
  --theme-fg: #f0f0f5;
  --theme-card: #12121a;
  --theme-card-hover: #1a1a25;
  --theme-border: #1e1e2e;
  --theme-muted: #8888a0;
  --theme-secondary: #b0b0c0;
  --theme-dim: #b0b0c8;
  --theme-emphasis: #ffffff;
  --theme-subtle: #2e2e3e;
  --theme-subtle-hover: #3e3e4e;
  --theme-deep: #0e0e16;
}

[data-theme="light"] {
  --theme-bg: #f8f9fc;
  --theme-fg: #1a1a2e;
  --theme-card: #ffffff;
  --theme-card-hover: #f0f1f5;
  --theme-border: #dfe1e8;
  --theme-muted: #6b7084;
  --theme-secondary: #4a4d60;
  --theme-dim: #9098a8;
  --theme-emphasis: #0a0a1a;
  --theme-subtle: #d0d3dc;
  --theme-subtle-hover: #b8bcc8;
  --theme-deep: #f0f1f5;
}

@theme {
  --color-background: var(--theme-bg);
  --color-foreground: var(--theme-fg);
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-card: var(--theme-card);
  --color-card-hover: var(--theme-card-hover);
  --color-border: var(--theme-border);
  --color-muted: var(--theme-muted);
  --color-secondary: var(--theme-secondary);
  --color-dim: var(--theme-dim);
  --color-emphasis: var(--theme-emphasis);
  --color-subtle: var(--theme-subtle);
  --color-subtle-hover: var(--theme-subtle-hover);
  --color-deep: var(--theme-deep);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

* {
  scroll-behavior: smooth;
}

html {
  overflow-x: hidden;
}

body {
  background: var(--theme-bg);
  color: var(--theme-fg);
  font-family: var(--font-sans), system-ui, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--theme-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--theme-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--theme-muted);
}

/* Fade-in animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease-out both;
}

.animate-delay-100 { animation-delay: 0.05s; }
.animate-delay-200 { animation-delay: 0.1s; }
.animate-delay-300 { animation-delay: 0.15s; }
.animate-delay-400 { animation-delay: 0.2s; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow effect on hover */
.glow-hover {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.glow-hover:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}
[data-theme="light"] .glow-hover:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 20px rgba(59, 130, 246, 0.08);
}

/* Section separator */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--theme-border), transparent);
}

/* Hero grid background */
.hero-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}
[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
}