@import "tailwindcss";

@custom-variant dark (&:where(.dark, .dark *));

@theme {
  --color-brand-bg: #F2F5EA;
  --color-brand-highlight: #FFA62B;
  --color-brand-highlight-hover: #E8941F;
  --color-brand-text: #160F29;
  --color-brand-text-muted: #3D3551;
  --color-brand-text-light: #6B6280;
  --color-brand-border: #D6DCCB;
  --color-brand-card: #FFFFFF;
  --color-brand-card-alt: #E8ECDF;

  /* Override default cyan with #00A6A6-based palette */
  --color-cyan-50: #E6F7F7;
  --color-cyan-100: #B3EBEB;
  --color-cyan-200: #80DFDF;
  --color-cyan-300: #4DD3D3;
  --color-cyan-400: #1AC7C7;
  --color-cyan-500: #00A6A6;
  --color-cyan-600: #008F8F;
  --color-cyan-700: #007878;
  --color-cyan-800: #006161;
  --color-cyan-900: #004A4A;
  --color-cyan-950: #003333;
}

/* Smooth theme transitions */
@layer base {
  html {
    font-size: 15px;
    transition: background-color 0.2s ease, color 0.2s ease;
  }
}

/* Scroll reveal animations */
@layer utilities {
  .scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

  .scroll-reveal-visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger delays for sequential card animations */
  .scroll-reveal-delay-1 { transition-delay: 100ms; }
  .scroll-reveal-delay-2 { transition-delay: 200ms; }
  .scroll-reveal-delay-3 { transition-delay: 300ms; }
  .scroll-reveal-delay-4 { transition-delay: 400ms; }
  .scroll-reveal-delay-5 { transition-delay: 500ms; }
  .scroll-reveal-delay-6 { transition-delay: 600ms; }

  /* Slide-in from left */
  .scroll-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  .scroll-reveal-left.scroll-reveal-visible {
    opacity: 1;
    transform: translateX(0);
  }

  /* Slide-in from right */
  .scroll-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  .scroll-reveal-right.scroll-reveal-visible {
    opacity: 1;
    transform: translateX(0);
  }

  /* Scale-in for images */
  .scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  }
  .scroll-reveal-scale.scroll-reveal-visible {
    opacity: 1;
    transform: scale(1);
  }

  /* Gradient text shimmer */
  .gradient-shimmer {
    background-size: 200% auto;
    animation: shimmer 4s linear infinite;
  }

  @keyframes shimmer {
    to { background-position: 200% center; }
  }

  /* Floating animation for hero cards */
  .float-animation {
    animation: float 6s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }

  /* Secondary CTA hover/active: bg #160f29, text #fff */
  .secondary-cta-hover:hover,
  .secondary-cta-hover:active {
    background-color: #160F29 !important;
    color: #FFFFFF !important;
    border-color: #160F29 !important;
  }

  /* Card lift on hover */
  .card-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .card-lift:hover {
    transform: translateY(-4px);
  }

  /* Gradient border card — uses box-shadow for performance */
  .card-gradient {
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  }
  .card-gradient:hover {
    border-color: var(--color-brand-highlight);
    box-shadow: 0 0 0 1px var(--color-brand-highlight), 0 8px 24px rgba(255, 166, 43, 0.12);
    transform: translateY(-4px);
  }

  /* Card glow on hover */
  .card-glow {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .card-glow:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 0 1px var(--color-brand-highlight), 0 8px 30px rgba(255, 166, 43, 0.15);
  }

  /* Text reveal: hides bottom of text with gradient, reveals on hover */
  .text-reveal {
    position: relative;
    max-height: 4.5rem;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .text-reveal::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.5rem;
    background: linear-gradient(to bottom, transparent, var(--color-brand-card));
    transition: opacity 0.2s ease;
    pointer-events: none;
  }
  .text-reveal:hover {
    max-height: 20rem;
  }
  .text-reveal:hover::after {
    opacity: 0;
  }

  /* Text reveal for dark cards (dark background) */
  .text-reveal-dark {
    position: relative;
    max-height: 4.5rem;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .text-reveal-dark::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.5rem;
    background: linear-gradient(to bottom, transparent, rgba(22, 15, 41, 0.8));
    transition: opacity 0.2s ease;
    pointer-events: none;
  }
  .text-reveal-dark:hover {
    max-height: 20rem;
  }
  .text-reveal-dark:hover::after {
    opacity: 0;
  }

  /* Reveal hint badge */
  .reveal-hint {
    transition: opacity 0.3s ease;
  }
  .text-reveal:hover ~ .reveal-hint,
  .text-reveal-dark:hover ~ .reveal-hint {
    opacity: 0;
  }

  /* Vibrant icon background */
  .icon-vibrant {
    background: linear-gradient(135deg, rgba(255, 166, 43, 0.2), rgba(0, 166, 166, 0.15));
  }

  /* Colored top accent bar */
  .card-accent-top {
    position: relative;
    overflow: hidden;
  }
  .card-accent-top::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-brand-highlight), var(--color-cyan-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }
  .card-accent-top:hover::before {
    transform: scaleX(1);
  }

  /* Sticky bar transition */
  .sticky-bar {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
  }

  @media (prefers-reduced-motion: reduce) {
    .scroll-reveal,
    .scroll-reveal-left,
    .scroll-reveal-right,
    .scroll-reveal-scale {
      opacity: 1;
      transform: none;
      transition: none;
    }
    .gradient-shimmer,
    .float-animation {
      animation: none;
    }
    .text-reveal,
    .text-reveal-dark {
      max-height: none;
    }
    .text-reveal::after,
    .text-reveal-dark::after {
      display: none;
    }
    .card-accent-top::before {
      transform: scaleX(1);
    }
  }
}