/* ===================================
   Responsive Styles
   =================================== */

/* Mobile First Approach */

/* Extra Small devices (phones, less than 576px) */
@media (max-width: 575.98px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .section-thin {
    padding: var(--spacing-md) 0;
  }

  /* Typography adjustments */
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  h4 { font-size: 1.125rem; }

  .p-lg {
    font-size: 1rem;
  }

  /* Button adjustments */
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  /* Form adjustments */
  .mix-calculator {
    padding: var(--spacing-md);
  }

  .col-tight {
    margin: 0;
  }

  .col-tight-1,
  .col-tight-2,
  .col-tight-3,
  .col-tight-4,
  .col-tight-5,
  .col-tight-6 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: var(--spacing-sm);
    padding: 0;
  }

  .input-note {
    justify-content: center;
    margin-top: var(--spacing-sm);
  }

  /* Hero video */
  .hero-video {
    height: 25vh;
    min-height: 200px;
  }

  /* Social icons */
  .social-icons {
    justify-content: center;
    margin-top: var(--spacing-md);
  }

  /* Section links */
  .section-links {
    align-items: center;
    text-align: center;
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  /* Grid adjustments */
  .col-tight-5,
  .col-tight-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .hero-video {
    height: 35vh;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  /* Navigation */
  .hamburger {
    display: none;
  }

  #header-nav {
    position: static;
    max-height: none;
    overflow: visible;
    box-shadow: none;
  }

  #header-nav .menu {
    flex-direction: row;
    gap: var(--spacing-lg);
    padding: 0;
  }

  .menu-item {
    width: auto;
    border-bottom: none;
  }

  .menu-item a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
  }

  /* Grid system - 2 columns */
  .col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    margin-bottom: var(--spacing-lg);
  }

  .col-4 {
    flex: 0 0 50%;
    max-width: 50%;
    margin-bottom: var(--spacing-lg);
  }

  .col-3 {
    flex: 0 0 50%;
    max-width: 50%;
    margin-bottom: var(--spacing-lg);
  }

  /* Hero video */
  .hero-video {
    height: 50vh;
  }

  /* Form columns */
  .col-tight-6 {
    flex: 0 0 60%;
    max-width: 60%;
  }

  .col-tight-5 {
    flex: 0 0 35%;
    max-width: 35%;
  }

  .col-tight-1 {
    flex: 0 0 5%;
    max-width: 5%;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .container {
    max-width: 960px;
  }

  /* Restore original grid */
  .col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-3 { flex: 0 0 25%; max-width: 25%; }
  .col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-6 { flex: 0 0 50%; max-width: 50%; }

  [class*="col-"] {
    margin-bottom: 0;
  }

  .col-space {
    margin-top: 0;
    margin-left: var(--spacing-lg);
  }

  .hero-video {
    height: 60vh;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: var(--container-max-width);
  }

  /* Full desktop experience */
  .hero-video {
    height: 70vh;
  }

  /* Enhanced spacing */
  .section {
    padding: var(--spacing-xxxl) 0;
  }

  .section-thin {
    padding: var(--spacing-xl) 0;
  }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 600px) {
  .hero-video {
    height: 80vh;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }
}

/* Print styles */
@media print {
  .page-header,
  .page-footer,
  .hero-video,
  .btn,
  .social-icons,
  .hamburger {
    display: none !important;
  }

  .section {
    padding: var(--spacing-md) 0;
    break-inside: avoid;
  }

  .container {
    max-width: none;
    padding: 0;
  }

  .row {
    margin: 0;
  }

  [class*="col-"] {
    padding: 0;
    margin-bottom: var(--spacing-md);
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .btn {
    border-width: 3px;
  }

  .input {
    border-width: 2px;
  }

  .social-icon {
    border: 2px solid currentColor;
  }
}

/* Reduced motion */
@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;
  }

  .grid-wrap {
    display: none;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-black: #ffffff;
    --color-white: #000000;
    --bg-white: #1a1a1a;
    --bg-gray: #2a2a2a;
    --color-gray-light: #666666;
    --color-gray-dark: #cccccc;
  }

  .section-white {
    background-color: var(--bg-white);
    color: var(--color-black);
  }

  .page-header {
    background-color: var(--bg-white);
    color: var(--color-black);
  }

  .mix-calculator {
    background-color: rgba(26, 26, 26, 0.95);
    color: var(--color-black);
  }
}

/* Focus indicators for keyboard navigation */
@media (any-hover: none) {
  .btn:hover {
    transform: none;
    box-shadow: none;
  }

  .social-icon:hover {
    transform: none;
  }

  .menu-item a:hover {
    background-color: transparent;
  }
}

/* Ultra-wide screens */
@media (min-width: 1600px) {
  .container {
    max-width: 1400px;
  }

  .hero-video {
    height: 75vh;
  }
}

/* Very small height screens (landscape phones) */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-video {
    height: 60vh;
  }

  .section {
    padding: var(--spacing-md) 0;
  }

  .top-bar {
    display: none;
  }

  .primary-bar {
    padding: var(--spacing-sm) 0;
  }
}