/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo img {
  height: 44px;
  width: auto;
}

.site-logo__text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.site-logo__text small {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-light);
}

/* Navigation */
.main-nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-xs);
  padding: 0;
}

.main-nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.main-nav__link:hover,
.main-nav__link--active {
  color: var(--color-primary);
  background-color: var(--color-surface-alt);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

.nav-toggle__icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: absolute;
  transition: transform var(--transition-fast);
}

.nav-toggle__icon::before { top: -7px; }
.nav-toggle__icon::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero section */
.hero {
  position: relative;
  min-height: 30vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-on-primary);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 86, 50, 0.75) 0%,
    rgba(14, 58, 32, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) var(--space-lg);
  max-width: 700px;
}

.hero__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: #fff;
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-size: var(--font-size-base);
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.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-text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-text-on-dark);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer__bottom a {
  color: var(--color-text-muted);
}

.footer__bottom a:hover {
  color: var(--color-text-on-dark);
}

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

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 1.875rem;
    --font-size-2xl: 1.5rem;
    --header-height: 60px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .main-nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav__list {
    flex-direction: column;
    padding: var(--space-md);
  }

  .main-nav__link {
    padding: var(--space-md);
    font-size: var(--font-size-base);
  }

  .hero {
    min-height: 25vh;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .section {
    padding: var(--space-2xl) 0;
  }
}

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