/* Layout System */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section--hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
}

/* Header */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-small);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 8vh;
  width: auto;
  display: block;
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-primary-text);
  padding: var(--space-xs) var(--space-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent);
  text-decoration: none;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-sm);
  right: var(--space-sm);
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-xs);
  cursor: pointer;
}

.menu-toggle__bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-text);
  transition: all var(--transition-fast);
}

/* Gallery Grid - Responsive grid preserving natural aspect ratios */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  margin-top: var(--space-lg);
  align-items: start; /* Align items to top to prevent stretching */
}

/* Landscape photos span 2 columns (2 per row in a 4-column grid) */
.gallery__item[data-aspect="landscape"] {
  grid-column: span 2;
}

/* Portrait and square photos span 1 column (4 per row) */
.gallery__item[data-aspect="portrait"],
.gallery__item[data-aspect="square"] {
  grid-column: span 1;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  background-color: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.gallery__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain; /* Preserve aspect ratio without cropping */
  transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.05);
}

/* Footer Logo */
.footer__logo {
  height: 150px;
  width: auto;
  display: block;
  margin: 0 auto var(--space-md);
}

/* Footer */
.footer {
  background-color: var(--color-primary-text);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-3xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__section h4 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-family: var(--font-heading);
}

.footer__section p,
.footer__section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-small);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-small);
}

/* Utilities */
.flex {
  display: flex;
}

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

.grid {
  display: grid;
}

.hidden {
  display: none;
}