/* ============================================
   NEW CAMBODIA — Utility Classes
   Container, grid, spacing, typography helpers
   ============================================ */

@import url('./design-tokens.css');

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* Custom premium scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-accent-dark), var(--color-accent));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-light);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-bg-dark);
}

body {
  font-family: var(--font-body);
  font-size: 24px;
  line-height: 1.65;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

@media (min-width: 768px) {
  :root { --container-padding: 2rem; }
}
@media (min-width: 1024px) {
  :root { --container-padding: 3rem; }
}

/* --- Grid --- */
.grid { display: grid; gap: var(--space-xl); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- Flex helpers --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --- Spacing --- */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.pt-2xl { padding-top: var(--space-2xl); }
.pt-3xl { padding-top: var(--space-3xl); }
.pt-4xl { padding-top: var(--space-4xl); }
.pb-2xl { padding-bottom: var(--space-2xl); }
.pb-3xl { padding-bottom: var(--space-3xl); }
.pb-4xl { padding-bottom: var(--space-4xl); }
.py-2xl { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.py-3xl { padding-top: var(--space-3xl); padding-bottom: var(--space-3xl); }
.py-4xl { padding-top: var(--space-4xl); padding-bottom: var(--space-4xl); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }

/* --- Typography --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-inverse { color: var(--color-text-inverse); }
.text-accent { color: var(--color-accent); }

.h1 { font-family: var(--font-heading); font-size: clamp(3.1rem, 7.7vw, 5.6rem); line-height: 1.1; font-weight: 700; letter-spacing: -0.01em; }
.h2 { font-family: var(--font-heading); font-size: clamp(2.4rem, 6.3vw, 3.9rem); line-height: 1.18; font-weight: 600; }
.h3 { font-family: var(--font-heading); font-size: clamp(1.8rem, 3.9vw, 2.6rem); line-height: 1.25; font-weight: 600; }

.section-label {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6.3vw, 3.9rem);
  line-height: 1.18;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1.55rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Override for dark backgrounds — higher specificity */
.section-title.text-inverse,
.section-subtitle.text-inverse {
  color: var(--color-text-inverse);
}

/* --- Visibility --- */
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (max-width: 767px) {
  .hidden-mobile { display: none !important; }
}
@media (min-width: 768px) {
  .hidden-desktop { display: none !important; }
}

/* --- Decor --- */
.gold-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-light), var(--color-accent), transparent);
  opacity: 0.4;
  margin: 0 auto;
  max-width: 80%;
}

/* --- Section base --- */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

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

@media (min-width: 768px) {
  .section { padding: var(--space-4xl) 0; }
}