/* Shared sub-page components — extends styles.css */

/* page hero used by research/teaching/talks/tutorials/data-code */
.page-hero{
  padding: 160px var(--pad-x) 80px;
  background: var(--bg);
  position: relative;
  border-bottom: 1px solid var(--line);
}
.page-hero-meta{
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  margin-bottom: 60px;
}
.page-hero-meta .tick{
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent);
  margin-right: 6px; vertical-align: middle;
}
.page-display{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(56px, 11vw, 188px);
  line-height: 0.92; letter-spacing: -0.025em;
  margin: 0 0 32px;
}
.page-display em{ color: var(--accent); }
.page-lede{
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.5;
  max-width: 60ch;
  color: var(--ink-soft);
  margin: 0;
}

/* timeline — used by teaching + talks */
.timeline{
  margin: 0 var(--pad-x);
  border-top: 1px solid var(--line);
}
.tl-row{
  display: grid;
  grid-template-columns: 0.6fr 1fr 2.3fr 30px;
  gap: 32px;
  align-items: center;
  padding: 22px 8px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  position: relative;
  transition: background .25s ease, padding .25s ease;
}
.tl-row::before{
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s ease;
}
.tl-row:hover{ background: var(--bg-warm); padding-left: 24px; }
.tl-row:hover::before{ transform: scaleY(1); }
.tl-row:hover .tl-arrow{ opacity: 1; transform: translate(0, 0); }
.tl-when{
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--accent);
}
.tl-code{
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-soft); letter-spacing: 0.04em;
}
.tl-title{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 1.7vw, 28px);
  letter-spacing: -0.005em;
  line-height: 1.15;
  color: var(--ink);
}
.tl-title em{ color: var(--accent); }
.tl-sub{
  font-family: var(--serif); font-style: italic;
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 4px;
  display: block;
  font-weight: 400;
}
.tl-arrow{
  font-family: var(--serif); font-size: 22px;
  color: var(--accent); opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
  transform: translate(-6px, 6px);
}

@media (max-width: 980px){
  .tl-row{ grid-template-columns: 1fr; gap: 4px; }
  .tl-arrow{ display: none; }
}

/* current/featured callout */
.featured-callout{
  margin: 0 var(--pad-x) 60px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-warm);
}
.featured-callout .fc-art{
  background: var(--accent);
  position: relative;
  min-height: 360px;
  overflow: hidden;
  color: var(--bg);
}
.featured-callout .fc-art canvas{ position: absolute; inset: 0; width: 100%; height: 100%; }
.featured-callout .fc-art .fc-tag{
  position: absolute; top: 24px; left: 24px;
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--bg); color: var(--accent);
  padding: 6px 12px; border-radius: 999px;
  z-index: 2;
}
.featured-callout .fc-art .fc-mega{
  position: absolute; bottom: 20px; left: 24px; right: 24px;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(48px, 5vw, 88px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--bg);
  z-index: 2;
}
.featured-callout .fc-text{
  padding: clamp(28px, 4vw, 56px);
  display: flex; flex-direction: column;
  gap: 14px; justify-content: center;
}
.fc-eyebrow{
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
}
.fc-title{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(34px, 3.6vw, 52px);
  letter-spacing: -0.015em; line-height: 1.0;
  margin: 0;
}
.fc-title em{ color: var(--accent); }
.fc-desc{
  font-size: 15.5px; line-height: 1.55;
  color: var(--ink-soft); max-width: 56ch;
}
.fc-actions{ display: flex; gap: 10px; margin-top: 8px; }

@media (max-width: 980px){
  .featured-callout{ grid-template-columns: 1fr; }
  .featured-callout .fc-art{ min-height: 200px; }
}

/* card grid */
.card-grid{
  margin: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.card-grid.two{ grid-template-columns: repeat(2, 1fr); }

.lab-card{
  background: var(--bg);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 280px;
  position: relative;
  cursor: pointer;
  transition: background .3s ease, color .3s ease;
}
.lab-card:hover{ background: var(--accent); color: var(--bg); }
.lab-card:hover .lab-card-tag{ color: var(--bg); }
.lab-card:hover .lab-card-meta{ color: color-mix(in oklab, var(--bg) 75%, transparent); }
.lab-card:hover .lab-card-arrow{ transform: translate(4px, -4px); color: var(--bg); }

.lab-card-head{
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px;
}
.lab-card-tag{
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
  transition: color .3s ease;
}
.lab-card-arrow{
  font-family: var(--serif); font-size: 24px;
  color: var(--accent);
  transition: transform .25s ease, color .3s ease;
}
.lab-card-num{
  font-family: var(--serif); font-style: italic;
  font-size: clamp(40px, 4vw, 64px);
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.lab-card:hover .lab-card-num{ color: var(--bg); }
.lab-card h3{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(22px, 1.8vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}
.lab-card p{
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  transition: color .3s ease;
}
.lab-card:hover p{ color: color-mix(in oklab, var(--bg) 80%, transparent); }
.lab-card-meta{
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin-top: auto;
}

@media (max-width: 980px){
  .card-grid, .card-grid.two{ grid-template-columns: 1fr; }
}

/* research areas — staggered editorial layout */
.areas{
  margin: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.area{
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(28px, 3vw, 48px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  transition: background .25s ease;
}
.area:hover{ background: var(--bg-warm); }
.area:nth-child(2n){ border-right: none; }
.area:nth-last-child(-n+2){ border-bottom: none; }
.area-num{
  font-family: var(--serif); font-style: italic;
  font-size: clamp(40px, 4.5vw, 72px);
  color: var(--accent);
  line-height: 0.9;
}
.area-body h3{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(24px, 2.2vw, 36px);
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0 0 12px;
}
.area-body h3 em{ color: var(--accent); }
.area-body p{
  font-size: 15px; line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 16px;
  max-width: 50ch;
}
.area-tags{
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.area-tags li{
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
@media (max-width: 980px){
  .areas{ grid-template-columns: 1fr; }
  .area{ border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .area:last-child{ border-bottom: none !important; }
}

/* big project list — 16:9 thumbnail rows */
.proj-list{
  margin: 0 var(--pad-x);
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.proj-row{
  display: grid;
  grid-template-columns: 60px 200px 1fr 1.5fr 30px;
  gap: 24px;
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background .25s ease, padding .25s ease;
}
.proj-row:hover{ background: var(--bg-warm); padding-left: 20px; }
.proj-row:hover .pr-arrow{ opacity: 1; transform: translate(0,0); color: var(--accent); }
.pr-num{
  font-family: var(--mono); font-size: 11px;
  color: var(--accent); letter-spacing: 0.05em;
}
.pr-thumb{
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--r-md);
  background: #ffffff;
  object-fit: contain;
  object-position: center;
  padding: 8px;
}
.pr-text{
  display: flex; flex-direction: column; gap: 4px;
}
.pr-tag{
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
}
.pr-title{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.15; letter-spacing: -0.005em;
  margin: 0;
}
.pr-authors{
  font-size: 13px; color: var(--ink-soft);
  font-style: italic; font-family: var(--serif);
  line-height: 1.4;
}
.pr-arrow{
  font-family: var(--serif); font-size: 22px;
  color: var(--ink-mute); opacity: 0;
  transition: opacity .25s ease, transform .25s ease, color .25s ease;
  transform: translate(-6px, 6px);
}
@media (max-width: 980px){
  .proj-row{ grid-template-columns: 1fr; gap: 8px; padding: 16px 8px; }
  .pr-thumb{ aspect-ratio: 16/9; }
  .pr-arrow{ display: none; }
}

/* simple section subhead */
.sub-head{
  display: flex; align-items: baseline; gap: 12px;
  padding: 60px var(--pad-x) 16px;
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.sub-head .num{ color: var(--accent); }
.sub-head .ttl{
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(20px, 2vw, 28px); color: var(--ink);
  text-transform: none; letter-spacing: -0.005em;
}

/* news log */
.news-log{
  margin: 0 var(--pad-x);
  border-top: 1px solid var(--line);
}
.news-row{
  display: grid;
  grid-template-columns: 130px 1fr 30px;
  gap: 24px;
  align-items: baseline;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
  transition: padding .25s ease;
}
.news-row:hover{ padding-left: 18px; }
.news-when{
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.05em; color: var(--accent);
  text-transform: uppercase;
}
.news-text{
  font-family: var(--serif); font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.4; color: var(--ink);
}
.news-text a{ color: var(--accent); border-bottom: 1px solid currentColor; }
.news-row .ar{
  font-family: var(--serif); font-size: 18px; color: var(--ink-mute);
}

/* dataset / repo cards */
.repo-grid{
  margin: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.repo-card{
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex; flex-direction: column;
  gap: 18px;
  background: var(--bg);
  position: relative;
  transition: background .3s ease, color .3s ease, border-color .3s ease;
  cursor: pointer;
  overflow: hidden;
  min-height: 320px;
}
.repo-card::after{
  content: "";
  position: absolute;
  bottom: -40%; right: -30%;
  width: 80%; aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 18%, transparent), transparent 70%);
  pointer-events: none;
  transition: bottom .35s ease, right .35s ease;
}
.repo-card:hover{ background: var(--accent); color: var(--bg); border-color: var(--accent); }
.repo-card:hover::after{ bottom: -50%; right: -10%; background: radial-gradient(circle, color-mix(in oklab, #FFFFFF 20%, transparent), transparent 70%); }
.repo-card:hover .repo-tag{ color: var(--bg); border-color: var(--bg); }
.repo-card:hover .repo-arrow{ color: var(--bg); transform: translate(4px,-4px); }
.repo-card:hover p{ color: color-mix(in oklab, var(--bg) 80%, transparent); }

.repo-head{
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; position: relative; z-index: 1;
}
.repo-tag{
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  transition: color .3s ease, border-color .3s ease;
}
.repo-arrow{
  font-family: var(--serif); font-size: 28px;
  color: var(--accent);
  transition: transform .25s ease, color .3s ease;
}
.repo-card h3{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 2.4vw, 36px);
  line-height: 1.05; letter-spacing: -0.01em;
  margin: 0; position: relative; z-index: 1;
}
.repo-card p{
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink-soft); margin: 0;
  position: relative; z-index: 1;
  transition: color .3s ease;
}
.repo-card .repo-keys{
  list-style: none; padding: 0; margin: auto 0 0;
  display: flex; flex-wrap: wrap; gap: 6px;
  position: relative; z-index: 1;
}
.repo-card .repo-keys li{
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  color: var(--accent);
  transition: background .3s ease, color .3s ease;
}
.repo-card:hover .repo-keys li{
  background: color-mix(in oklab, #FFFFFF 18%, transparent);
  color: var(--bg);
}

@media (max-width: 980px){
  .repo-grid{ grid-template-columns: 1fr; }
}