/**
 * LAYOUT.CSS
 * Structural layout patterns: containers, grids, sections, and page structure
 *
 * This file handles the spatial organization of content.
 * It defines how content is contained and arranged, but not its appearance.
 */

/* =============================
   CONTAINERS
   Constrain content width for readability
   ============================= */

.container {
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Narrower container for text-heavy content */
.container-narrow {
  max-width: 700px;
}

/* =============================
   SECTIONS
   Vertical rhythm and spacing between content areas
   ============================= */

.section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* Responsive section padding */
@media (max-width: 768px) {
  .section {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }
}

/* Section heading spacing */
.section h2 {
  margin-bottom: var(--space-lg);
}

/* =============================
   GRID SYSTEMS
   Flexible column layouts
   ============================= */

/* Two-column grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Three-column grid */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Desktop grid layouts */
@media (min-width: 900px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* =============================
   SPLIT CONTENT
   Two-column text/image layouts
   ============================= */

.split-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .split-content {
    grid-template-columns: 1fr 1fr;
  }
}

/* Reverse order on desktop (image first) */
@media (min-width: 900px) {
  .split-content-reverse .split-text {
    order: 2;
  }

  .split-content-reverse .split-image {
    order: 1;
  }
}

/* =============================
   CENTERED CONTENT
   Single-column centered layouts
   ============================= */

.content-centered {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.content-centered .lead {
  margin-bottom: var(--space-sm);
}

.content-centered p {
  margin-bottom: var(--space-md);
}

/* =============================
   HERO LAYOUT
   Full-width introductory sections
   ============================= */

.hero {
  padding-top: calc(var(--space-xl) * 1.2);
  padding-bottom: calc(var(--space-xl) * 1.2);
}

/* Constrain hero text width for readability */
.hero .container {
  max-width: 700px;
}

/* Home page hero needs wider container for image */
.hero-home-centered .container {
  max-width: 1200px;
}

/* Responsive hero padding */
@media (max-width: 768px) {
  .hero {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }
}

/* =============================
   FOOTER LAYOUT
   Multi-column footer structure
   ============================= */

.footer {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Tablet: 2 columns */
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 4 columns with wider brand column */
@media (min-width: 1000px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 280px;
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

/* =============================
   UTILITY LAYOUT CLASSES
   ============================= */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.hidden {
  display: none;
}

/* Constrained content width */
.content-narrow {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Confirmation/thank you page content */
.confirmation-content {
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.confirmation-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

/* Flex utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

/* Narrow text container for centered prose */
.text-narrow {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}