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

.section {
  padding: var(--space-4xl) 0;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header p {
  margin-top: var(--space-md);
  font-size: 1.125rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: var(--space-sm);
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--nav-height);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.site-logo {
  display: flex;
  align-items: center;
  color: var(--color-navy);
  font-weight: 700;
  font-size: 1.125rem;
  font-family: var(--font-body);
}

.site-logo:hover {
  color: var(--color-navy);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav a {
  color: var(--color-slate);
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-navy);
}

.site-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-teal);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: var(--transition);
}

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: var(--color-gray-200);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.site-footer a {
  color: var(--color-gray-200);
}

.site-footer a:hover {
  color: var(--color-white);
}

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

.footer-brand p {
  color: var(--color-slate-light);
  margin-top: var(--space-md);
  font-size: 0.9375rem;
}

.footer-brand .site-logo {
  color: var(--color-white);
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul a {
  font-size: 0.9375rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-navy-light);
  padding-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-slate-light);
}

.footer-gstin {
  font-size: 0.8125rem;
  color: var(--color-slate-light);
  margin-top: var(--space-sm);
}

/* Grid utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.page-hero p {
  color: var(--color-gray-200);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}