/* css/layout.css — Layout & Background System */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: clamp(var(--space-12), 10vw, var(--space-24)) 0;
  position: relative;
  overflow: hidden;
}

/* ════════════════════════════════════════════════════════
   MASTER SECTION BACKGROUND SYSTEM (LIGHT / DARK RHYTHM)
   ════════════════════════════════════════════════════════ */

/* Light Theme Background System */
.theme-light,
.section:not(.theme-dark):not(.section-dark):not(.hero) {
  background: var(--light-luxury-gradient);
  color: var(--color-text-light-theme);
  position: relative;
}

/* Subtle architectural grid pattern on light sections */
.theme-light::before,
.section:not(.theme-dark):not(.section-dark):not(.hero)::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(26,86,104,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,104,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

/* Ambient emerald glow spotlight on light sections */
.theme-light::after,
.section:not(.theme-dark):not(.section-dark):not(.hero)::after {
  content: '';
  position: absolute;
  top: 10%; right: 5%;
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(70,156,118,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* Dark Theme Background System */
.section-dark,
.theme-dark {
  background: var(--dark-luxury-gradient);
  color: var(--color-text-dark-theme);
  position: relative;
}

.section-dark::before,
.theme-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

.section-dark::after,
.theme-dark::after {
  content: '';
  position: absolute;
  bottom: 10%; left: 5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(70,156,118,0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4,
.theme-dark h1, .theme-dark h2, .theme-dark h3, .theme-dark h4 {
  color: var(--color-text-dark-theme);
}

.section-dark p, .theme-dark p {
  color: var(--color-text-muted-dark);
}

/* Ensure section containers sit above background pseudo-elements */
.section .container,
.theme-light .container,
.theme-dark .container,
.section-dark .container {
  position: relative;
  z-index: 10;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .section { padding: var(--space-32) 0; }
}

/* Glass Panel Utility */
.glass-panel {
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border-light);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.glass-panel-dark {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border-dark);
  color: var(--color-text-dark-theme);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}