/* ============================================================
   BASE — Body, Typography, Utilities, Section Scaffolding
   ============================================================ */

/* --- Body --- */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.nav-open,
body.lightbox-open {
  overflow: hidden;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: 3px;
}

/* --- Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--section-pad-x);
}

.section {
  padding-block: var(--section-pad-y);
}

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

.section--surface {
  background-color: var(--color-surface);
}

/* --- Typography --- */
.font-serif {
  font-family: var(--font-serif);
}
.font-sans {
  font-family: var(--font-sans);
}

.text-xs {
  font-size: var(--text-xs);
}
.text-sm {
  font-size: var(--text-sm);
}
.text-lg {
  font-size: var(--text-lg);
}
.text-xl {
  font-size: var(--text-xl);
}
.text-2xl {
  font-size: var(--text-2xl);
}

.text-gold {
  color: var(--color-gold);
}
.text-muted {
  color: var(--color-text-muted);
}
.text-center {
  text-align: center;
}
.text-upper {
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.italic {
  font-style: italic;
}
.weight-300 {
  font-weight: 300;
}
.weight-600 {
  font-weight: 600;
}

/* --- Section Headers --- */
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-super);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 300;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  color: var(--color-gold-light);
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: var(--leading-loose);
  color: var(--color-text-muted);
  max-width: 55ch;
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin-inline: auto;
}

/* --- Gold Divider --- */
.gold-divider {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-block: var(--space-6);
}

.gold-divider::before,
.gold-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-gold), transparent);
}

.gold-divider--text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-gold);
  white-space: nowrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 0.85rem 2.5rem;
  border: 1px solid transparent;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
}

.btn--gold:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* --- Page Hero Banner (inner pages) --- */
.page-hero {
  position: relative;
  height: 40vh;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-12);
  background: var(--color-bg-alt);
  overflow: hidden;
  margin-top: var(--nav-height);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.3;
  transition: opacity var(--transition-slow);
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg) 0%, transparent 60%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-hero__label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-super);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.page-hero--left .page-hero__label,
.page-hero--left .page-hero__title {
  text-align: left;
}

.page-hero--right .page-hero__label,
.page-hero--right .page-hero__title {
  text-align: right;
}

/* --- Utilities --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.d-flex {
  display: flex;
}
.align-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.mt-8 {
  margin-top: var(--space-8);
}
.mt-12 {
  margin-top: var(--space-12);
}

/* --- Scroll-to-top --- */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-light);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base);
  z-index: var(--z-nav);
}

#scroll-top.visible {
  opacity: 0.15;
  pointer-events: auto;
  transform: translateY(0);
}

#scroll-top:hover {
  opacity: 0.6;
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
}

#scroll-top svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* --- Loading Spinner --- */
.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-inline: auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.load-more-trigger {
  display: flex;
  justify-content: center;
  padding: var(--space-12) 0;
  min-height: 60px;
}

/* --- Responsive base --- */
@media (max-width: 768px) {
  .page-hero {
    height: 35vh;
    min-height: 220px;
  }
}