/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d0f12;
  --bg2:         #141619;
  --bg3:         #1c1f24;
  --border:      #2a2d33;
  --border2:     #3a3d45;
  --text:        #e8eaed;
  --text2:       #9aa0aa;
  --text3:       #5a606a;
  --accent:      #c8a84b;
  --accent2:     #e8c86b;
  --accent-glow: rgba(200, 168, 75, 0.3);
  --accent-dim:  rgba(200, 168, 75, 0.12);
  --danger:      #e05252;
  --radius:      10px;
  --radius-lg:   16px;
  --thumb:       220px;
  --hero-height: 85vh;
  --max-width:   1100px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── View system ── */
.view { display: none; min-height: 100vh; }
.view.active { display: block; }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  height: var(--hero-height);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(4px) brightness(0.35);
  transition: background-image 1s ease-in-out;
  transform: scale(1.05); /* prevent blur white edges */
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(13,15,18,0.2) 0%, rgba(13,15,18,0.6) 60%, var(--bg) 100%),
    linear-gradient(to right, rgba(13,15,18,0.5) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px 60px;
  max-width: var(--max-width);
}

.hero-badge {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-glow);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.1s;
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(56px, 10vw, 96px);
  line-height: 0.95;
  letter-spacing: .03em;
  color: var(--text);
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.2s;
}

.hero-title-accent {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.hero-subtitle {
  font-size: 16px;
  font-weight: 300;
  color: var(--text2);
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.35s;
}

.hero-cta {
  display: inline-block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: .08em;
  color: #0d0f12;
  background: var(--accent);
  padding: 14px 40px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background .2s, transform .1s;
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.5s;
}

.hero-cta:hover { background: var(--accent2); }
.hero-cta:active { transform: scale(.97); }

.hero-divider {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.55s;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════
   GALLERY SECTION (HOME)
   ═══════════════════════════════════════════════ */
.gallery-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 40px 80px;
}

.section-header { margin-bottom: 36px; }

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: .06em;
  color: var(--text);
}

.section-rule {
  width: 50px;
  height: 3px;
  background: var(--accent);
  margin-top: 10px;
  border-radius: 2px;
}

.gallery-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ── Photo-backed cards ── */
.gallery-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.gallery-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}

.gallery-card:hover .card-bg {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13,15,18,0.95) 0%,
    rgba(13,15,18,0.6) 40%,
    rgba(13,15,18,0.1) 100%
  );
}

.card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: .02em;
}

.card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
}

.card-date {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.card-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  letter-spacing: .04em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 4px;
}

.card-desc {
  color: var(--text2);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.4;
}

/* Empty gallery card */
.card--empty .card-bg {
  background: linear-gradient(135deg, var(--bg3) 0%, var(--bg2) 100%);
}

.card--empty .card-badge {
  background: rgba(90,96,106,0.3);
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text3);
  font-size: 12px;
  font-weight: 300;
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════
   CODE ENTRY
   ═══════════════════════════════════════════════ */
.code-bg {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(12px) brightness(0.25);
  transform: scale(1.1);
  z-index: 0;
}

.code-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.code-box {
  width: 100%;
  max-width: 420px;
  background: rgba(20, 22, 25, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
}

.code-icon { font-size: 36px; margin-bottom: 20px; }

.code-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.code-desc {
  color: var(--text2);
  font-size: 13px;
  font-weight: 300;
  margin-bottom: 32px;
  line-height: 1.5;
}

.code-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
  outline: none;
  transition: border-color .2s;
  margin-bottom: 12px;
}

.code-input:focus { border-color: var(--accent); }

.code-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 20px;
  margin-bottom: 12px;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #0d0f12;
  border: none;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s, transform .1s;
}

.btn-primary:hover { background: var(--accent2); }
.btn-primary:active { transform: scale(.98); }

.back-btn {
  background: none;
  border: none;
  color: var(--text2);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 20px;
  display: block;
  transition: color .2s;
}

.back-btn:hover { color: var(--text); }

.back-btn--light {
  color: rgba(255,255,255,0.6);
}
.back-btn--light:hover { color: #fff; }

/* ═══════════════════════════════════════════════
   GALLERY VIEW — BANNER
   ═══════════════════════════════════════════════ */
.gallery-banner {
  position: relative;
  height: 220px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.gallery-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(4px) brightness(0.35);
  transform: scale(1.05);
}

.gallery-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, rgba(13,15,18,0.4) 100%);
}

.gallery-banner-content {
  position: relative;
  z-index: 1;
  padding: 24px 40px;
  width: 100%;
}

.gallery-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  letter-spacing: .04em;
}

.gallery-banner-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}

.gallery-banner-date {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.gallery-count {
  color: var(--text3);
  font-size: 13px;
  font-weight: 300;
}

/* ── Group folder card indicator ── */
.card--group .card-badge-icon {
  font-size: 12px;
  margin-right: 2px;
}

/* ── Group gallery list ── */
.group-galleries {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 40px 80px;
}

.group-galleries .gallery-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ── Photo grid ── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--thumb), 1fr));
  gap: 3px;
  padding: 3px;
}

.photo-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--bg3);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease, opacity .3s;
  opacity: 0;
}

.photo-item img.loaded { opacity: 1; }
.photo-item:hover img { transform: scale(1.04); }

.photo-item .photo-num {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity .2s;
}

.photo-item:hover .photo-num { opacity: 1; }

/* Loading skeleton */
.photo-item.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg3) 25%, var(--bg2) 50%, var(--bg3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ═══════════════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════════════ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.94);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.lightbox.open { display: flex; }

.lb-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lb-image {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}

.lb-caption {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 10px 4px 0;
  color: var(--text3);
  font-size: 12px;
  font-weight: 300;
}

.lb-close {
  position: fixed;
  top: 20px; right: 24px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text2);
  width: 40px; height: 40px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
  z-index: 1001;
}

.lb-close:hover { background: rgba(255,255,255,.15); }

.lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--text);
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 28px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
  z-index: 1001;
  line-height: 1;
}

.lb-nav:hover { background: rgba(255,255,255,.15); }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

/* ── Empty state ── */
.empty-state {
  padding: 80px 40px;
  text-align: center;
  color: var(--text3);
}

.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text2); }
.empty-state p { font-size: 14px; line-height: 1.6; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 900px) {
  :root { --hero-height: 70vh; }
  .hero-title { font-size: clamp(48px, 9vw, 72px); }
  .gallery-list { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .gallery-section { padding: 48px 24px 60px; }
}

@media (max-width: 600px) {
  :root {
    --hero-height: 65vh;
    --thumb: 160px;
  }
  .hero-title { font-size: clamp(40px, 12vw, 56px); }
  .hero-content { padding: 0 16px 40px; }
  .hero-subtitle { font-size: 14px; }
  .gallery-section { padding: 32px 16px 60px; }
  .gallery-list { grid-template-columns: 1fr; }
  .group-galleries .gallery-list { grid-template-columns: 1fr; }
  .gallery-card { aspect-ratio: 16 / 10; }
  .group-galleries { padding: 24px 16px 60px; }
  .code-box { padding: 36px 24px; }
  .gallery-banner { height: 180px; }
  .gallery-banner-content { padding: 20px; }
  .gallery-title { font-size: 28px; }
}