@import "tailwindcss";

@theme {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --color-primary: #001a4d; /* Deep Blue */
  --color-primary-dark: #000d26;
  --color-primary-light: #e6ebf5;

  --color-secondary: #003d82;
  --color-secondary-light: #0056b3;

  --color-accent: #82ed20; /* Sustainability Green */
  --color-accent-dark: #6bc41a;
  --color-accent-light: #f0f9e6;

  --color-neutral: #f8f9fa;
  --color-neutral-light: #ffffff;
  --color-neutral-dark: #0a0a0a;
  --color-neutral-medium: #e5e7eb;

  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-light: #9ca3af;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --animate-fade-in: fade-in 0.5s ease-out;
  --animate-slide-up: slide-up 0.6s ease-out;
  --animate-slow-zoom: slow-zoom 20s linear infinite;

  @keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  @keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes slow-zoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
  }
}

@layer base {
  body {
    @apply text-text-primary bg-neutral-light antialiased;
  }
  h1, h2, h3, h4, h5, h6 {
    @apply font-heading font-bold tracking-tight;
  }
}

@layer components {
  .glass-panel {
    @apply bg-white/80 backdrop-blur-md border border-white/20 shadow-lg;
  }
  .image-overlay-gradient {
    @apply absolute inset-0 bg-gradient-to-t from-black/80 via-black/20 to-transparent;
  }
  .premium-card {
    @apply bg-white rounded-xl border border-neutral-medium shadow-sm transition-all duration-300 hover:shadow-xl hover:-translate-y-1;
  }
}

/* Custom Utilities */
@utility touch-target {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@utility mobile-hidden {
  @media (max-width: 767px) {
    display: none !important;
  }
}

@utility tablet-hidden {
  @media (min-width: 768px) and (max-width: 1023px) {
    display: none !important;
  }
}

@utility desktop-hidden {
  @media (min-width: 1024px) {
    display: none !important;
  }
}

@utility mobile-only {
  @media (min-width: 768px) {
    display: none !important;
  }
}

@utility tablet-only {
  @media (max-width: 767px), (min-width: 1024px) {
    display: none !important;
  }
}

@utility desktop-only {
  @media (max-width: 1023px) {
    display: none !important;
  }
}

@utility fluid-spacing {
  padding: clamp(1rem, 3vw, 3rem);
  margin: clamp(0.5rem, 2vw, 2rem);
}

@utility text-start-mobile {
  @media (max-width: 767px) {
    text-align: left;
  }
}

@utility text-center-mobile {
  @media (max-width: 767px) {
    text-align: center;
  }
}

@utility text-end-mobile {
  @media (max-width: 767px) {
    text-align: right;
  }
}

@utility grid-mobile-stacked {
  @media (max-width: 767px) {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
}

@utility safe-area-p {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}