/* vidverian — 英文高对比衬线 + 中文宋体回退 */

:root{
  --bg:#ffffff;
  --ink:#1a1a1a;
  --muted:#8a8a86;
  --hover:#b8b5ac;
  --nav-active:#b8b5ac;
  --edge:32px;
  --edge-sm:18px;
  --header-h:96px;
  --side-pad:12.6vw;
  --line:#ece9e2;
  /* 统一的图片间距：封面网格与子图 jg 共用，横纵一致 */
  --gallery-gap:clamp(84px, 9.6vw, 168px);

  --font-serif:"Playfair Display","Noto Serif SC","Songti SC",Georgia,serif;
  --font-body:"Playfair Display","Noto Serif SC","Songti SC",Georgia,serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  font-size:15px;
  line-height:1.8;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}

#app{min-height:100%;position:relative}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;
  height:var(--header-h);
  padding:0 var(--edge);
  display:flex;align-items:center;justify-content:space-between;
  z-index:50;
  background:linear-gradient(to bottom, rgba(255,255,255,.96), rgba(255,255,255,.70) 70%, rgba(255,255,255,0));
  pointer-events:none;
}
.site-header > *{pointer-events:auto}

.brand{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:42px;
  letter-spacing:0;
  line-height:1;
  color:var(--ink);
}

.nav{
  font-family:var(--font-serif);
  font-weight:400;
  font-size:25px;
  line-height:1;
  letter-spacing:0;
  display:flex;
  gap:4px;
  align-items:baseline;
}
.nav__link{
  padding:4px 6px;
  color:var(--ink);
  font-style:italic;
  transition:color .25s ease;
  white-space:nowrap;
}
.nav__link:hover{color:var(--hover)}
.nav__link.is-active{color:var(--nav-active);font-style:normal}
.nav__link--ext{font-style:italic}
/* 多词导航项里的附属词（如 "Moving Sketchbook" 的 Sketchbook）保持正体 */
.nav__suffix{font-style:normal;margin-left:0.2em}
.nav__sep{color:var(--muted);padding:0 3px;font-size:20px;font-style:normal}

@media(max-width:720px){
  :root{--edge:var(--edge-sm);--header-h:80px;--side-pad:7.56vw}
  .brand{font-size:32px}
  .nav{font-size:20px;gap:2px}
  .nav__link{padding:4px 4px}
  .nav__sep{font-size:16px}
}

/* ---------- Page container ---------- */
.page{
  padding-top:var(--header-h);
  animation:fadeIn .6s ease both;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.empty{
  display:flex;align-items:center;justify-content:center;
  min-height:60vh;
  color:var(--muted);
  font-style:italic;
  font-size:14px;
}

/* ---------- Footer (global) ---------- */
.site-footer{
  margin:0;
  padding:56px var(--edge) 32px;
  text-align:center;
  font-family:var(--font-body);
  font-weight:300;
  font-size:13px;
  letter-spacing:0.22em;
  color:var(--muted);
}
.site-footer__line{
  display:block;
  width:60%;
  margin:0 auto 26px;
  border:0;
  border-top:1px solid var(--line);
}

/* ---------- Home · Carousel ---------- */
.home{
  height:100vh;
  padding-top:0;
  overflow:hidden;
  position:relative;
}
.home__stage{
  position:absolute;inset:0;
  /* 上下留空：header 之后再 +10vh，底部 +10vh */
  padding:calc(var(--header-h) + 10vh) 0 calc(56px + 10vh) 0;
  overflow:hidden;
}
.home__track{
  display:flex;
  align-items:center;
  height:100%;
  transition:transform 1s cubic-bezier(.32,.72,.24,1);
  will-change:transform;
}
.home__slide{
  flex:0 0 100vw;
  height:100%;
  display:flex;align-items:center;justify-content:center;
  padding:0 15vw;
}
.home__slide img{
  /* 保持原比例不裁剪，高度随机 ±10% 偏差（由 JS 注入 --h-scale） */
  max-width:70vw;
  max-height:calc(100% * var(--h-scale, 1));
  width:auto;height:auto;
  object-fit:contain;
  user-select:none;
  -webkit-user-drag:none;
  transition:max-height .6s ease;
}
.home__dots{
  position:absolute;
  left:50%;bottom:28px;
  transform:translateX(-50%);
  display:flex;gap:12px;
  z-index:3;
}
.home__dot{
  width:5px;height:5px;border-radius:50%;
  background:#d4d1c9;
  transition:background .3s,transform .3s;
}
.home__dot.is-active{background:var(--ink);transform:scale(1.4)}

@media(max-width:720px){
  .home__slide{padding:0 6vw}
  .home__slide img{max-width:88vw}
}

/* ---------- Info ---------- */
.info{
  max-width:620px;
  margin:0 auto;
  padding:clamp(80px,18vh,200px) var(--edge) 60px;
  text-align:center;
}
.info__image{
  width:min(300px, 58%);
  margin:0 auto 72px;
}
.info__image img{width:100%;height:auto}

.info__bio{
  font-family:var(--font-body);
  font-weight:300;
  font-size:15px;
  line-height:2.1;
  letter-spacing:0.04em;
  color:#2a2a2a;
  white-space:pre-line;
}
.info__bio p{margin:0 0 1.6em}
.info__bio p:last-child{margin-bottom:0}

.info__contact{
  margin-top:64px;
  font-size:14px;
  line-height:2;
  letter-spacing:0.05em;
  color:#2a2a2a;
}
.info__contact a{
  border-bottom:1px solid currentColor;
  transition:opacity .2s;
}
.info__contact a:hover{opacity:.55}

/* ---------- Grid (Photography / Moving) ---------- */
.grid-page{
  padding:calc(var(--header-h) + 80px) var(--side-pad) 40px;
}
.grid{
  /* justified gallery：同行等高，同行宽度拉满，高度 = 图片实际比例 */
  display:flex;
  flex-wrap:wrap;
  gap:var(--gallery-gap);
  max-width:100%;
  margin:0 auto;
}

.card{
  flex:var(--aspect, 1) 1 0;
  min-width:0;
  cursor:pointer;
  display:flex;flex-direction:column;
  gap:18px;
  transition:opacity .3s ease;
}
.card:hover{opacity:.72}
/* 最后一行不足 N 张 → 按前一行高度靠左排列，不拉满 */
.card.is-lastrow-short{
  flex:0 0 auto;
}
.card.is-lastrow-short .card__cover{
  height:var(--row-h);
  width:calc(var(--row-h) * var(--aspect, 1));
  aspect-ratio:auto;
}
.grid__break{flex-basis:100%;height:0;margin:0;padding:0}

.card__cover{
  /* 贴合图片实际比例，由 JS 注入 --aspect；取消 3:4 占位符 */
  aspect-ratio:var(--aspect, 1);
  width:100%;
  background:transparent;
  overflow:hidden;
}
.card__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 1.2s cubic-bezier(.22,.8,.28,1);
}
.card:hover .card__cover img{transform:scale(1.015)}

.card__title{
  font-family:var(--font-body);
  font-weight:300;
  font-size:18px;
  color:#2a2a2a;
  letter-spacing:0.1em;
  line-height:1.6;
  min-height:1em;
  text-align:center;
}

/* ---------- Group detail page (组内 justified gallery) ---------- */
.group-page{
  padding:calc(var(--header-h) + 64px) var(--side-pad) 40px;
}
.group-page__head{
  display:flex;align-items:baseline;gap:10px;
  margin:0 auto 40px;
  font-family:var(--font-serif);
  font-weight:400;
  font-size:14px;
  letter-spacing:0.12em;
  color:var(--muted);
}
.group-page__back{
  color:var(--muted);
  transition:color .2s;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.group-page__back:hover{color:var(--ink);border-bottom-color:currentColor}
.group-page__sep{color:#d4d1c9}
.group-page__title{
  font-weight:500;
  font-size:22px;
  color:var(--ink);
  letter-spacing:0.1em;
}

.jg{
  /* 子图独立 gap：行间距 = 列间距 = --jg-gap，视觉上协调 */
  --jg-gap:clamp(40px, 4.5vw, 80px);
  display:flex;
  flex-wrap:wrap;
  gap:var(--jg-gap);
}
/* 多行 jg 块之间的间距 = 块内间距，确保行间距 = 列间距 */
.jg + .jg{margin-top:var(--jg-gap)}
.jg__item{
  flex:var(--aspect, 1) 1 0;
  aspect-ratio:var(--aspect, 1);
  min-width:0;
  overflow:hidden;
  cursor:pointer;
  transition:opacity .3s ease;
}
.jg__item:hover{opacity:.82}
.jg__item img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
/* 最后一行不足 N 张 → 不拉满宽度，按已计算的行高靠左对齐 */
.jg__item.is-lastrow-short{
  flex:0 0 auto;
  height:var(--row-h);
  width:calc(var(--row-h) * var(--aspect, 1));
  aspect-ratio:auto;
}
.jg__break{flex-basis:100%;height:0;margin:0;padding:0}

@media(max-width:540px){
  .group-page{padding-top:calc(var(--header-h) + 40px)}
  .group-page__head{margin-bottom:28px;font-size:12px}
}

/* ---------- Lightbox (沉浸式) ---------- */
.lightbox{
  position:fixed;inset:0;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  z-index:100;
  display:flex;flex-direction:column;
  animation:fadeIn .25s ease both;
}
.lightbox__close{
  position:absolute;
  top:22px;right:var(--edge);
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  transition:opacity .2s;
  z-index:2;
}
.lightbox__close:hover{opacity:.55}
.lightbox__close svg,.lightbox__nav svg{display:block;width:18px;height:18px}

.lightbox__main{
  flex:1;
  display:flex;align-items:center;justify-content:center;
  position:relative;
  padding:0 var(--edge);
  min-height:0;
}
.lightbox__img{
  /* 所有图片高度统一 80vh，宽度按比例自适应 */
  height:80vh;
  width:auto;
  max-width:88vw;
  object-fit:contain;
  box-shadow:0 8px 28px -12px rgba(0,0,0,.12);
  transition:opacity .18s ease;
  outline:none;
}
.lightbox__img.is-loading{opacity:.35}

.lightbox__nav{
  position:absolute;
  top:50%;transform:translateY(-50%);
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  transition:opacity .2s;
  z-index:2;
  opacity:.7;
}
.lightbox__nav:hover{opacity:1}
.lightbox__nav--prev{left:clamp(16px, 4vw, 48px)}
.lightbox__nav--next{right:clamp(16px, 4vw, 48px)}
.lightbox__nav[disabled]{opacity:0;pointer-events:none}

.lightbox__footer{
  padding:0 var(--edge) 22px;
  display:flex;justify-content:space-between;align-items:baseline;
  font-family:var(--font-body);
  font-weight:300;
  font-size:12px;
  letter-spacing:0.12em;
  color:var(--muted);
}
.lightbox__title{color:#2a2a2a}
.lightbox__count{font-variant-numeric:tabular-nums;letter-spacing:0.08em}

@media(max-width:900px){
  .lightbox__img{height:75vh;max-width:90vw}
}
@media(max-width:540px){
  .lightbox__main{padding:0 12px}
  .lightbox__img{height:70vh;max-width:94vw}
  .lightbox__nav--prev{left:4px}
  .lightbox__nav--next{right:4px}
}