/* ============================================
   Photographer Portfolio — Minimal & Editorial
   Fonts: Cormorant Garamond (Open Source, Google Fonts)
          Noto Serif SC (Open Source, Google Fonts)
   ============================================ */

:root {
  --bg: #faf9f7;
  --ink: #1a1a18;
  --ink-soft: #6b6862;
  --line: #e3e0da;
  --accent: #8a7a5c;
  --serif: "Cormorant Garamond", "Noto Serif SC", serif;
  --sans: "Noto Serif SC", "Helvetica Neue", Arial, sans-serif;
  --space: clamp(4rem, 10vw, 9rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--bg); }

img { display: block; width: 100%; }

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

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
  background: linear-gradient(to bottom, rgba(250,249,247,0.92), rgba(250,249,247,0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav__logo {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.nav__logo em {
  font-style: italic;
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
}

.nav__links a {
  position: relative;
  padding-bottom: 0.3rem;
  color: var(--ink-soft);
  transition: color 0.4s ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--ink);
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

.nav__links a.active { color: var(--ink); }
.nav__links a.active::after { width: 100%; }

/* ---------- Reveal Animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  position: relative;
}

.hero__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.45em;
  color: var(--ink-soft);
  margin-bottom: 2.5rem;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 14ch;
}

.hero__title em {
  font-style: italic;
  color: var(--accent);
}

.hero__sub {
  margin-top: 2.5rem;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.hero__scroll {
  position: absolute;
  bottom: 3rem;
  right: clamp(1.5rem, 5vw, 4rem);
  writing-mode: vertical-rl;
  font-size: 0.68rem;
  letter-spacing: 0.4em;
  color: var(--ink-soft);
  animation: drift 3s ease-in-out infinite;
}

@keyframes drift {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(10px); opacity: 1; }
}

/* ---------- Section ---------- */

.section {
  padding: var(--space) clamp(1.5rem, 5vw, 4rem);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.section__title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.section__num {
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ---------- Gallery: 双栏独立瀑布流（任意数量/比例都不乱） ---------- */

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.col {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 6vw, 5.5rem);
  min-width: 0;
}

/* 右栏整体下沉，形成错落节奏 */
.col--2 {
  padding-top: clamp(3rem, 8vw, 7rem);
}

.work { position: relative; }

.work__frame {
  overflow: hidden;
  background: #eceae6;
}

.work__frame img {
  aspect-ratio: var(--ar, 4 / 5);
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1),
              filter 1.4s ease;
  filter: saturate(0.92);
  cursor: pointer;
}

.work:hover .work__frame img {
  transform: scale(1.045);
  filter: saturate(1.02);
}

.work__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 1.2rem;
}

.work__name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.work__tag {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
}

/* ---------- Quote ---------- */

.quote {
  padding: var(--space) clamp(1.5rem, 8vw, 8rem);
  text-align: center;
}

.quote__mark {
  font-family: var(--serif);
  font-size: 5rem;
  line-height: 0;
  color: var(--line);
  display: block;
  margin-bottom: 3rem;
}

.quote__text {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 400;
  line-height: 1.7;
  max-width: 26em;
  margin: 0 auto;
}

.quote__text em { font-style: italic; color: var(--accent); }

.quote__by {
  margin-top: 3rem;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--ink-soft);
}

/* ---------- About ---------- */

.about-hero {
  padding-top: calc(var(--space) + 4rem);
  padding-bottom: var(--space);
  padding-left: clamp(1.5rem, 5vw, 4rem);
  padding-right: clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-portrait {
  grid-column: 8 / 13;
}

.about-portrait img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.9);
}

.about-intro {
  grid-column: 1 / 7;
}

.about-intro__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.45em;
  color: var(--ink-soft);
  margin-bottom: 2.5rem;
}

.about-intro__title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 2.5rem;
}

.about-intro__title em {
  font-style: italic;
  color: var(--accent);
}

.about-intro__body {
  color: var(--ink-soft);
  max-width: 36em;
  font-size: 0.95rem;
}

.about-intro__body p + p { margin-top: 1.5rem; }

/* ---------- About Lists ---------- */

.about-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: var(--space) clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
}

.list__title {
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.list ul { list-style: none; }

.list li {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.list li span:last-child {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  white-space: nowrap;
  align-self: center;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: var(--space) clamp(1.5rem, 5vw, 4rem);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 3rem;
}

.footer__logo {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
}

.footer__logo em { font-style: italic; color: var(--accent); }

.footer__contact {
  text-align: right;
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 2.4;
}

.footer__contact a {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.1rem;
  transition: border-color 0.4s ease, color 0.4s ease;
}

.footer__contact a:hover { color: var(--ink); border-color: var(--ink); }

.footer__base {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
  padding-top: 3rem;
}

/* ---------- Lightbox（单图点击放大） ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(18, 18, 16, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 4vh 4vw;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 92vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
  position: absolute;
  top: 2rem;
  right: 2.5rem;
  color: rgba(250, 249, 247, 0.75);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s ease, transform 0.3s ease;
}

.lightbox__close:hover { color: #fff; transform: rotate(90deg); }

/* ---------- 组图页 ---------- */

.series-hero {
  padding-top: calc(var(--space) + 5rem);
  padding-bottom: calc(var(--space) * 0.6);
  padding-left: clamp(1.5rem, 5vw, 4rem);
  padding-right: clamp(1.5rem, 5vw, 4rem);
}

.series-hero__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.45em;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.series-hero__title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.2;
}

.series-hero__title em { font-style: italic; color: var(--accent); }

.series-hero__meta {
  margin-top: 1.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
}

.series-hero__desc {
  margin-top: 2.5rem;
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.series-body {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 7vw, 6rem);
  padding: 0 clamp(1.5rem, 5vw, 4rem) var(--space);
}

.series-body img { width: 100%; height: auto; }

.series-body figcaption {
  margin-top: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
}

.series-end {
  text-align: center;
  padding-bottom: var(--space);
}

.back-link {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--ink-soft);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line);
  transition: color 0.4s ease, border-color 0.4s ease;
}

.back-link:hover { color: var(--ink); border-color: var(--ink); }

.footer__base a {
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.footer__base a:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .grid { column-gap: clamp(1rem, 3vw, 1.8rem); }
  .col { gap: clamp(2.2rem, 5vw, 3.5rem); }
  .col--2 { padding-top: clamp(2rem, 5vw, 3rem); }

  .about-hero { grid-template-columns: 1fr; }
  .about-portrait { grid-column: 1 / -1; order: -1; max-width: 420px; }
  .about-intro { grid-column: 1 / -1; }

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

  .nav__links { gap: 1.4rem; letter-spacing: 0.2em; }
  .nav__links a { letter-spacing: 0.2em; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .col--2 { padding-top: 0; }
}

/* ---------- 视频作品 ---------- */
.work__frame { position: relative; }

.play-mark {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 4.2rem; height: 4.2rem; border-radius: 50%;
  background: rgba(26, 26, 24, 0.34); pointer-events: none;
}
.play-mark::after {
  content: ""; position: absolute; left: 54%; top: 50%;
  transform: translate(-50%, -50%);
  border-left: 1.15rem solid rgba(250, 249, 247, 0.95);
  border-top: 0.72rem solid transparent;
  border-bottom: 0.72rem solid transparent;
}

.series-video {
  width: 100%; display: block; background: #1a1a18;
  aspect-ratio: 16 / 9; object-fit: contain;
}