/* ============================================================
   Timing Fish — 艺术摄影作品集
   古典 / 秩序 / 简洁 · 浅色为主 · 支持深色模式 · 移动端优先
   ============================================================ */

:root {
  --paper: #faf8f3;
  --paper-2: #f3f0e9;
  --ink: #1b1813;
  --ink-2: #5f594e;
  --line: rgba(27, 24, 19, 0.12);
  --accent: #b85c32;
  --accent-strong: #e25822;
  --accent-soft: rgba(184, 92, 50, 0.08);
  --sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: var(--sans); /* 按要求减少衬线字体，标题统一使用无衬线 */
  --pad: clamp(24px, 5vw, 72px);
  --maxw: 1440px;
  --dur: 0.55s;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html[data-theme="dark"] {
  --paper: #171410;
  --paper-2: #201c17;
  --ink: #ede7dc;
  --ink-2: #a49b8d;
  --line: rgba(237, 231, 220, 0.14);
  --accent: #d07a4c;
  --accent-soft: rgba(208, 122, 76, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }

a:focus-visible,
button:focus-visible,
.card:focus-visible,
.gallery-scroll:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

::selection { background: var(--accent); color: var(--paper); }

/* ---------- 页面过渡 ---------- */

.page {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.page.is-ready { opacity: 1; transform: none; }
.page.is-leaving {
  opacity: 0;
  transform: translateY(6px);
  transition-duration: 0.26s;
}

/* ---------- 通用 ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.text-link {
  position: relative;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color 0.3s;
}
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 1px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.text-link:hover { color: var(--ink); }
.text-link:hover::after { transform: scaleX(1); transform-origin: left; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 34px;
  border: 1px solid var(--ink);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  transition: background 0.35s, color 0.35s, border-color 0.35s;
}
.btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px var(--pad);
  transition: padding 0.4s var(--ease), background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
  padding-top: 15px;
  padding-bottom: 15px;
}

.brand {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: 0.06em;
}

.nav {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
}
.nav a {
  position: relative;
  padding: 4px 0;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.3s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav a:hover, .nav a.active { color: var(--ink); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); transform: rotate(12deg); }
.theme-toggle svg { width: 17px; height: 17px; grid-area: 1 / 1; transition: opacity 0.3s, transform 0.4s var(--ease); }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
html[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg) scale(0.5); }
html[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 38px;
  height: 38px;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.3s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- 移动端全屏菜单 ---------- */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 42px;
  background: var(--paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.mobile-menu nav a {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--ink);
}

/* ---------- 首页 Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.03);
  transform: scale(1.02);
  animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1.02); }
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 17, 13, 0.22) 0%, rgba(20, 17, 13, 0.05) 40%, rgba(20, 17, 13, 0.72) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(36px, 6vh, 72px);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}
.hero h1 {
  font-family: "Helvetica Neue", Helvetica, Arial, var(--sans);
  font-weight: 700;
  font-size: clamp(5rem, 17vw, 15rem);
  line-height: 0.86;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--accent-strong);
  text-shadow: 0 2px 34px rgba(0, 0, 0, 0.3);
}

/* ---------- 区块 ---------- */

.section { padding: clamp(96px, 14vh, 180px) var(--pad); }
.section-alt { background: var(--paper-2); transition: background var(--dur) var(--ease); }

/* 精选作品：深色底，接近黑色 */
.section-dark {
  background: #0f0e0c;
  color: #f0ece3;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
html[data-theme="dark"] .section-dark { background: #0d0c0a; }
.section-dark .section-head { border-bottom-color: rgba(240, 236, 227, 0.16); }
.section-dark .title { color: #f0ece3; }
.section-dark .text-link { color: rgba(240, 236, 227, 0.66); }
.section-dark .text-link:hover { color: #fff; }
.section-dark .card { background: #171410; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  padding-bottom: 30px;
  margin-bottom: clamp(44px, 7vh, 72px);
  border-bottom: 1px solid var(--line);
}
.section-note {
  max-width: 30em;
  font-size: 0.95rem;
  color: var(--ink-2);
  text-align: right;
}

/* ---------- 首页精选作品：纯图 · 统一网格 ---------- */

/* 精选作品：11 张，Tillmans 式自由错落排布，无边框、无投影、无旋转 */
.featured {
  position: relative;
  height: clamp(560px, 72vw, 1000px);
  max-width: 1320px;
  margin-inline: auto;
  overflow: hidden;
}
.card {
  position: absolute;
  width: var(--w, 10%);
  left: var(--x, 50%);
  top: var(--y, 50%);
  transform: translate(-50%, -50%);
  overflow: hidden;
  cursor: zoom-in;
}
.card img {
  width: 100%;
  height: auto;
  aspect-ratio: var(--ar, 3 / 2);
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.card:hover img { transform: scale(1.04); }

/* ---------- 作品系列：横图 + 右侧信息，细分隔线 ---------- */

.series-list { display: grid; }
.series-card {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(300px, 7fr);
  gap: clamp(48px, 7vw, 120px);
  align-items: center;
  padding: clamp(56px, 9vh, 96px) 0;
  border-top: 1px solid var(--line);
}
.series-card:first-child { border-top: 0; }
.series-card:last-of-type { border-bottom: 1px solid var(--line); }
.series-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92);
  transition: transform 1.1s var(--ease);
}
.series-card:hover img { transform: scale(1.02); }

.series-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  gap: 8px;
}
.s-t {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.25;
}
.s-en {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.s-period { font-size: 0.84rem; color: var(--ink-2); }
.s-go {
  margin-top: 14px;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s, color 0.3s;
}
.series-card:hover .s-go { border-color: var(--accent); color: var(--accent); }

/* ---------- 页脚 ---------- */

.site-footer { border-top: 1px solid var(--line); }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px var(--pad);
}
.footer-brand { font-family: var(--sans); font-weight: 600; font-size: 0.98rem; }
.footer-copy { font-size: 0.76rem; color: var(--ink-2); letter-spacing: 0.06em; }
.footer-nav { display: flex; gap: 26px; }
.footer-nav a { font-size: 0.76rem; letter-spacing: 0.16em; color: var(--ink-2); transition: color 0.3s; }
.footer-nav a:hover { color: var(--accent); }

/* ---------- 内页页首 ---------- */

.page-head {
  padding: clamp(150px, 24vh, 220px) var(--pad) clamp(56px, 9vh, 100px);
  border-bottom: 1px solid var(--line);
}
.page-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.1;
}
.page-sub { margin-top: 14px; font-size: 0.92rem; letter-spacing: 0.12em; color: var(--ink-2); }

/* ---------- 关于页 ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(220px, 3fr) 9fr;
  gap: clamp(44px, 8vw, 120px);
  align-items: start;
}
.about-photo { max-width: 320px; }
.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.9);
}
.about-text p { margin-bottom: 1.15em; max-width: 34em; }
.timeline { max-width: 52em; }
.timeline li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.timeline .year {
  font-family: var(--sans);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.timeline .event { color: var(--ink); }

.equipment { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; max-width: 60em; }
.equipment li {
  padding: 18px 22px;
  border: 1px solid var(--line);
  font-size: 0.92rem;
}

.cta { text-align: center; }
.cta .title { margin-bottom: 30px; }

/* ---------- 联系页 ---------- */

.contact-main { max-width: 900px; margin: 0 auto; }
.contact-email {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.5rem, 4.2vw, 2.8rem);
  text-align: center;
  padding: clamp(40px, 8vh, 90px) 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.3s;
}
.contact-email:hover { color: var(--accent); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 46px 0 80px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  transition: border-color 0.3s, transform 0.3s var(--ease), background 0.3s;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  background: var(--accent-soft);
}
.contact-label { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-2); }
.contact-value { font-family: var(--sans); font-weight: 500; font-size: 1.08rem; }

.contact-form { max-width: 620px; margin: 0 auto; }
.form-title { font-family: var(--sans); font-weight: 600; font-size: 1.6rem; margin-bottom: 30px; }
.form-row { margin-bottom: 22px; }
.form-row label {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  transition: border-color 0.3s;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-note { margin-top: 16px; font-size: 0.76rem; color: var(--ink-2); }

/* ---------- 系列页 ---------- */

.series-hero {
  padding: clamp(170px, 26vh, 260px) var(--pad) clamp(64px, 10vh, 120px);
  border-bottom: 1px solid var(--line);
}
.series-hero-inner { max-width: 52em; }
.series-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  line-height: 1.08;
}
.series-en {
  font-family: var(--sans);
  font-style: normal;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-top: 12px;
}
.series-meta { margin-top: 22px; font-size: 0.8rem; letter-spacing: 0.16em; color: var(--accent); }
.series-intro { margin-top: 26px; max-width: 34em; color: var(--ink-2); white-space: pre-line; }

.gallery-section { padding-top: clamp(40px, 6vh, 64px); }
.gallery-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 0 var(--pad) 26px;
}
.gallery-label { font-size: 0.76rem; letter-spacing: 0.14em; color: var(--ink-2); }
.gallery-controls { display: flex; align-items: center; gap: 12px; }
.gallery-count {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  min-width: 58px;
  text-align: right;
}
.gallery-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 0.95rem;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.gallery-arrow:hover { border-color: var(--accent); color: var(--accent); }

.gallery-scroll {
  display: flex;
  gap: clamp(18px, 3vw, 44px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px var(--pad) clamp(44px, 8vh, 90px);
  scrollbar-width: none;
}
.gallery-scroll::-webkit-scrollbar { display: none; }
.slide {
  flex: 0 0 auto;
  width: min(82vw, 720px);
  scroll-snap-align: center;
  position: relative;
  cursor: zoom-in;
}
.slide img {
  width: 100%;
  aspect-ratio: var(--ar, 4 / 3);
  object-fit: cover;
  transition: transform 1s var(--ease);
}
.slide:hover img { transform: scale(1.015); }

.series-nav { padding-top: 0; }
.series-nav-inner { display: grid; border-top: 1px solid var(--line); }

/* ---------- 灯箱 ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(9, 8, 6, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.lightbox.open { display: flex; animation: lbFade 0.35s var(--ease); }
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }

.lb-figure { max-width: 92vw; }
.lb-figure img {
  max-width: min(92vw, 1600px);
  max-height: 82vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.lb-close {
  position: absolute;
  top: 22px;
  right: 28px;
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  color: rgba(245, 241, 233, 0.85);
  transition: color 0.3s, transform 0.3s;
}
.lb-close:hover { color: #fff; transform: rotate(90deg); }
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: 1px solid rgba(245, 241, 233, 0.35);
  border-radius: 50%;
  color: rgba(245, 241, 233, 0.85);
  font-size: 1rem;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.lb-arrow:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.08); }
.lb-prev { left: 26px; }
.lb-next { right: 26px; }
.lb-count {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: rgba(245, 241, 233, 0.6);
}

body.lightbox-open { overflow: hidden; }

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }

  .featured {
    position: static;
    height: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .featured .card {
    position: static;
    width: 100%;
    left: auto;
    top: auto;
    transform: none;
  }
  .featured .card img { aspect-ratio: 4 / 3; }

  .series-card { grid-template-columns: 1fr; gap: 22px; }

  .about-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }

  .section-head { flex-direction: column; align-items: flex-start; }
  .section-note { text-align: left; }

  .slide { width: 88vw; }
  .gallery-bar { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 560px) {
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .lb-prev { left: 12px; }
  .lb-next { right: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}