/* ── Page shell ──────────────────────────────────────────────────────── */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(15, 14, 12, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

#app {
  min-height: calc(100vh - var(--nav-height));
}

#site-footer {
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-alt);
}

/* ── Container ───────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: 860px;
}

/* ── Nav ─────────────────────────────────────────────────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  flex-shrink: 0;
}

.nav__logo-line1,
.nav__logo-line2 {
  white-space: nowrap;
}

.nav__logo-line1 {
  font-size: var(--text-base);
}

.nav__logo-line2 {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.nav__logo-dot {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: var(--space-4);
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-text-primary);
}

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

/* ── Hero ────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #0f0e0c;
}

/* Hero background image */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/site/hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.99;
  pointer-events: none;
}

/* Dark gradient so left-side text stays readable */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    #0f0e0c 25%,
    rgba(15, 14, 12, 0.5) 55%,
    rgba(15, 14, 12, 0.1) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__eyebrow {
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 52ch;
  margin-bottom: var(--space-10);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(200, 169, 110, 0.35);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.hero__cta:hover {
  background-color: var(--color-accent-muted);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

/* ── Section headers ─────────────────────────────────────────────────── */

.section {
  padding-block: var(--space-24);
}

.section--tight {
  padding-block: var(--space-4) var(--space-8);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__header--centered {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.section__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 58ch;
}

/* ── Grids ───────────────────────────────────────────────────────────── */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

/* ── Category page header ────────────────────────────────────────────── */

.page-hero {
  padding-block: var(--space-12) var(--space-8);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-8);
}

.page-hero__eyebrow {
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.page-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 60ch;
}

.page-hero__meta {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Project detail ──────────────────────────────────────────────────── */

.project-detail {
  padding-block: var(--space-20);
}

.project-detail__header {
  margin-bottom: var(--space-16);
}

.project-detail__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

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

.project-detail__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.project-detail__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.project-detail__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

.project-detail__text-section {
  max-width: 72ch;
}

.project-detail__section-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* ── Project nav (prev/next) ─────────────────────────────────────────── */

.project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-24);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border-subtle);
}

.project-nav__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.project-nav__item:hover {
  background-color: var(--color-surface-hover);
  border-color: rgba(200, 169, 110, 0.3);
}

.project-nav__item--next {
  text-align: right;
}

.project-nav__direction {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-nav__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

/* ── Footer ──────────────────────────────────────────────────────────── */

.footer {
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── 404 ─────────────────────────────────────────────────────────────── */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  gap: var(--space-4);
}

.not-found__code {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--color-border);
}