/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #565656;
  border-bottom: none;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-800);
  text-decoration: none;
}

.site-logo img {
  height: 40px;
  width: auto;
}

/* Navigation */
.nav-main {
  display: none;
}

.nav-main.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #565656;
  border-bottom: none;
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) 0;
}

.nav-main__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-main__item {
  position: relative;
}

.nav-main__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-main__link:hover {
  color: var(--color-primary-300);
}

/* Dropdown */
.nav-dropdown {
  display: none;
  padding-left: var(--space-8);
}

.nav-main__item:hover .nav-dropdown,
.nav-main__item:focus-within .nav-dropdown {
  display: block;
}

.nav-dropdown__link {
  display: block;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-dropdown__link:hover {
  color: var(--color-primary-300);
}

/* Mobile toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: #ffffff;
}

.nav-toggle__icon {
  width: 24px;
  height: 24px;
}

.header-cta {
  display: none;
  background-color: var(--color-secondary-600);
  color: #ffffff;
  border: 2px solid transparent;
}

.header-cta:hover {
  background-color: var(--color-secondary-500);
}

/* Desktop nav */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav-main {
    display: flex;
    align-items: center;
  }

  .nav-main__list {
    flex-direction: row;
    gap: var(--space-1);
  }

  .nav-main__link {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
  }

  .nav-main__link:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #565656;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2) 0;
    z-index: 50;
  }

  .nav-dropdown__link {
    padding: var(--space-2) var(--space-5);
  }

  .nav-dropdown__link:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .header-cta {
    display: inline-flex;
  }
}

/* Site footer */
.site-footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.footer-brand p {
  color: var(--color-neutral-400);
  margin-bottom: var(--space-4);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-neutral-800);
  color: var(--color-neutral-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-primary-600);
  color: #fff;
}

.footer-col h4 {
  color: #fff;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--color-neutral-800);
  padding-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.footer-bottom a {
  color: var(--color-neutral-400);
}

.footer-bottom a:hover {
  color: #fff;
}

/* Two-column content layout */
.content-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .content-split {
    grid-template-columns: 1fr 1fr;
  }

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

.content-split__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.content-split__media img {
  width: 100%;
  height: auto;
}