/* ============================================
   Responsive Design - Mobile First
   ============================================ */

/* ============================================
   Mobile (< 768px) - Base Styles
   ============================================ */
/* Mobile styles are default, no media query needed */

/* ============================================
   Tablet (768px - 1024px)
   ============================================ */
@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }

  .hero__title {
    font-size: var(--font-size-5xl);
  }

  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__content {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Desktop (> 1024px)
   ============================================ */
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer__content {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   Large Desktop (> 1200px)
   ============================================ */
@media (min-width: 1200px) {
  .gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   Mobile Specific Styles
   ============================================ */
@media (max-width: 767px) {
  /* Header Mobile */
  .header__nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .header__nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .header__nav-link {
    display: block;
    padding: var(--spacing-sm);
    width: 100%;
  }

  .header__cta {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-sm);
  }

  .header__menu-toggle {
    display: flex;
  }

  /* Hero Mobile */
  .hero {
    min-height: 60vh;
    padding: var(--spacing-xl) 0;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-lg);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

  /* Grid Mobile */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Footer Mobile */
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Section Padding Mobile */
  .section {
    padding: var(--spacing-xl) 0;
  }

  /* Card Mobile */
  .card {
    padding: var(--spacing-md);
  }

  /* Form Mobile */
  .form {
    width: 100%;
  }

  /* Modal Mobile */
  .modal__content {
    margin: var(--spacing-sm);
    max-height: 95vh;
  }

  .modal__body {
    padding: var(--spacing-lg);
  }

  /* Gallery Mobile */
  .gallery {
    grid-template-columns: 1fr;
  }

  /* Typography Mobile */
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }
}

/* ============================================
   Tablet Landscape (768px - 1024px)
   ============================================ */
@media (min-width: 768px) and (max-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .footer,
  .btn,
  .header__menu-toggle {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
  }
}

/* ============================================
   High DPI Displays
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize for retina displays */
  img {
    image-rendering: -webkit-optimize-contrast;
  }
}

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

/* ============================================
   Dark Mode Support (Already dark, but for consistency)
   ============================================ */
@media (prefers-color-scheme: dark) {
  /* Already using dark theme, but can add adjustments if needed */
}