:root {
  color-scheme: dark;
  --bg: #040404;
  --ink: #f6f1e8;
  --text: #ebe8e2;
  --muted: #aaa39a;
  --dim: #756f68;
  --line: rgba(246, 241, 232, 0.16);
  --line-soft: rgba(246, 241, 232, 0.08);
  --panel: rgba(246, 241, 232, 0.045);
  --serif: Didot, "Bodoni 72", "Times New Roman", "Songti SC", STSong, "Noto Serif CJK SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -10%, rgba(255, 255, 255, 0.08), transparent 32rem),
    linear-gradient(180deg, #0a0a0a 0%, var(--bg) 45%);
  color: var(--text);
  font-family: var(--sans);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(4, 4, 4, 0.7);
  backdrop-filter: blur(28px) saturate(1.1);
}

.brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav a {
  transition: color 160ms ease;
}

nav a:hover,
nav a.is-active {
  color: var(--text);
}

.home-shell {
  display: grid;
  min-height: calc(100vh - 64px);
  place-items: center;
  padding: 40px 24px;
}

.home-shell h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 9vw, 96px);
  font-weight: 400;
}

.photo-landing {
  min-height: calc(100vh - 64px);
  padding: clamp(30px, 5vw, 76px);
}

.photo-hero {
  display: grid;
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto clamp(34px, 6vw, 76px);
  padding-top: clamp(26px, 5vw, 72px);
}

.kicker {
  margin: 0;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-title h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.98;
}

/* photo-hero h1 now uses .hero-quote-en */

.page-intro {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(18px, 2.1vw, 28px);
  line-height: 1.42;
}

.hero-quote {
  max-width: 720px;
}

.hero-quote-en {
  margin: 0;
  max-width: 980px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 100px);
  font-weight: 400;
  line-height: 1.15;
}

.hero-quote-zh {
  margin: 10px 0 0;
  color: var(--dim);
  font-family: var(--serif);
  font-size: clamp(16px, 1.8vw, 24px);
  line-height: 1.5;
}

.photo-tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 34px);
  max-width: 1280px;
  margin: 0 auto;
}

.photo-tile {
  position: relative;
  display: grid;
  align-content: end;
  min-height: min(64vh, 680px);
  padding: clamp(28px, 4vw, 52px);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  isolation: isolate;
  background-position: center;
  background-size: cover;
  transform: translateZ(0);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.38);
}

.photo-tile::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background: center / cover no-repeat;
  transition: transform 500ms ease;
}

.photo-tile::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08) 10%, rgba(0, 0, 0, 0.24) 46%, rgba(0, 0, 0, 0.92) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.42), transparent 50%);
}

.photo-tile:hover::before {
  transform: scale(1.035);
}

.tile-bg-img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 800ms ease, transform 500ms ease;
}

.photo-tile:hover .tile-bg-img {
  transform: scale(1.035);
}

.photo-tile-all::before {
  background-image: none;
}

.tile-index {
  display: block;
  width: fit-content;
  margin-bottom: 18px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(246, 241, 232, 0.58);
  color: var(--muted);
  font-family: var(--serif);
  font-size: 18px;
}

.tile-title,
.tile-subtitle {
  display: block;
}

.tile-title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 86px);
  font-weight: 400;
  line-height: 0.98;
}

.tile-subtitle {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tile-stat {
  display: block;
  margin-top: 6px;
  color: var(--dim);
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
}

.photo-tile-all::before {
  background-image: url("/assets/photo/sample-01.svg");
}

.photo-tile-collections::before {
  background-image: url("/assets/photo/sample-02.svg");
}

.all-page {
  width: min(1360px, 100%);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 76px);
}

.page-title {
  display: grid;
  gap: 14px;
  margin: clamp(30px, 5vw, 70px) 0 clamp(28px, 4vw, 52px);
}

.page-title p {
  margin: 0;
}

.page-title h1 {
  font-size: clamp(58px, 9vw, 132px);
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.026), rgba(255, 255, 255, 0.01));
}

#location-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0;
  border-right: 1px solid var(--line-soft);
}

label {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--line-soft);
}

label:last-child {
  border-right: 0;
}

label span {
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 40px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-family: var(--serif);
  font-size: 20px;
  padding: 0;
}

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 0 30px;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 42px);
}

.photo-card {
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  cursor: pointer;
}
.photo-card img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(0.08) contrast(1.02);
}

.photo-card-copy {
  padding: 18px 0 24px;
}

.photo-card h2 {
  margin: 0 0 9px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(25px, 2.3vw, 36px);
  font-weight: 400;
  line-height: 1.05;
}

.photo-card p,
.empty-state {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.photo-location-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
}

.photo-location {
  letter-spacing: 0.03em;
  margin: 0;
}

.photo-note-trigger {
  flex-shrink: 0;
  border: 0;
  background: none;
  color: var(--dim);
  font-family: var(--serif);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  transition: color 160ms ease;
}

.photo-note-trigger:hover {
  color: var(--ink);
}

.photo-note-popover {
  margin: 8px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--line);
  background: var(--panel);
  border-radius: 0 6px 6px 0;
}

.photo-note-text {
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.6;
}

.photo-date {
  margin-top: 8px;
  color: var(--dim);
  font-family: var(--serif);
  font-size: 17px;
}

.photo-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px 16px;
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.photo-meta div {
  padding: 0;
}

.photo-meta dt,
.photo-meta dd {
  margin: 0;
}

.photo-meta dt {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.photo-meta dd {
  margin-top: 4px;
  color: var(--text);
  font-family: var(--serif);
  font-size: 15px;
}

.empty-state {
  padding: 60px 0;
  text-align: center;
}

/* ---- collections page ---- */

.collections-page {
  width: min(1360px, 100%);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 76px);
}

.collection-group {
  margin-bottom: clamp(48px, 8vw, 100px);
}

.collection-group:last-child {
  margin-bottom: 0;
}

.collection-header {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
}

.collection-header h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 400;
  line-height: 0.98;
}

.collection-sub {
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(16px, 1.8vw, 22px);
}

.collection-sub a {
  color: var(--text);
  text-decoration: none;
  transition: color 160ms ease;
}

.collection-sub a:hover {
  color: var(--ink);
}

@media (max-width: 880px) {
  .photo-tiles,
  .photo-grid,
  .filter-bar {
    grid-template-columns: 1fr;
  }

  .photo-tile {
    min-height: 360px;
  }

  label {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  #location-filters {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  label:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    height: 56px;
    padding: 0 18px;
  }

  .brand {
    font-size: 18px;
  }

  nav {
    gap: 18px;
    font-size: 11px;
  }

  .photo-landing {
    padding: 22px 16px 40px;
  }

  .photo-hero {
    gap: 12px;
    margin-bottom: 30px;
    padding-top: 18px;
  }

  .photo-hero h1 {
    font-size: clamp(48px, 17vw, 74px);
  }

  .hero-quote-en {
    font-size: clamp(36px, 12vw, 56px);
  }

  .photo-tile {
    min-height: 48vh;
    padding: 24px;
  }

  .tile-title {
    font-size: clamp(40px, 13vw, 58px);
  }

  .all-page {
    padding: 22px 16px 40px;
  }

  .collections-page {
    padding: 22px 16px 40px;
  }

  .page-title {
    margin: 28px 0 28px;
  }

  .page-title h1 {
    font-size: clamp(50px, 18vw, 76px);
  }

  .filter-bar {
    gap: 0;
  }

  select {
    min-height: 44px;
    font-size: 19px;
  }

  .result-line {
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 22px 0 24px;
  }

  .photo-card h2 {
    font-size: 30px;
  }
}

/* ---- lightbox ---- */

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

.lightbox-overlay[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 92vw;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 120px rgba(0, 0, 0, 0.5);
  cursor: zoom-out;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background 160ms ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}