/* ==========================================================================
   Layout CSS - Abhayam (Yogajyoti)
   Header, Navigation, Containers, Grid Systems, Footer
   ========================================================================== */

/* Container */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container-narrow {
  max-width: 800px;
}

/* Header & Navigation */
.site-header {
  background-color: rgba(250, 246, 240, 0.95);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.brand-logo svg {
  width: 38px;
  height: 38px;
  fill: var(--color-primary);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  font-weight: 600;
}

/* Navigation Menu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-text);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.main-nav a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a.active {
  color: var(--color-primary);
}

.main-nav a.active::after,
.main-nav a:hover::after {
  width: 100%;
}

/* Mobile Nav Styles */
@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
    display: none;
    box-shadow: var(--shadow-elevated);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .main-nav a {
    font-size: 1.05rem;
  }
}

/* Page Layout Sections */
main {
  flex: 1;
}

.section {
  padding: var(--space-xxl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-xl) auto;
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: block;
}

/* Site Footer */
.site-footer {
  background-color: #24201D;
  color: #E2DAD1;
  padding: var(--space-xxl) 0 var(--space-lg) 0;
  border-top: 3px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: var(--space-xl);
}

.footer-col h4 {
  color: var(--color-gold);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
}

.footer-col p {
  color: #BDB4AA;
  font-size: 0.95rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: #E2DAD1;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid #3B3430;
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: #A39B92;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}