/* Portfolio — porcelain blue on paper. One light theme by design. */
:root {
  color-scheme: light;
  --paper: #f7f5f0;
  --paper-2: #efebe3;
  --card: #fffdf9;
  --ink: #1b2838;
  --ink-2: #4a5566;
  --ink-3: #7a8494;
  --line: #ddd6c9;
  --blue: #234e7d;
  --blue-mark: #2a62a8;       /* chart bars: validated (lightness, chroma, contrast) */
  --blue-tint: #e4ebf3;
  --track: #e9e4da;
  --vermilion: #b9492a;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(27 40 56 / .06), 0 8px 24px rgb(27 40 56 / .06);
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: system-ui, -apple-system, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --wrap: 1120px;
  --gutter: 16px;
}
@media (min-width: 720px) { :root { --gutter: 32px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.75 var(--sans); letter-spacing: .01em;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.3; margin: 0; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
:focus-visible { outline: 2px solid var(--blue-mark); outline-offset: 2px; border-radius: 4px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgb(247 245 240 / .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; gap: 12px; height: 56px; }
.brand { font-family: var(--serif); font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand small { font-family: var(--sans); font-weight: 400; color: var(--ink-3); margin-left: 6px; font-size: 13px; }
.topbar .spacer { flex: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); font: 500 14px/1 var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: #1b3f66; color: #fff; }
.btn svg { width: 16px; height: 16px; flex: none; }

/* Section nav */
.secnav { border-bottom: 1px solid var(--line); background: var(--paper); }
.secnav ul {
  display: flex; gap: 6px; list-style: none; margin: 0; padding: 10px var(--gutter);
  max-width: var(--wrap); margin-inline: auto; overflow-x: auto; scrollbar-width: none;
}
.secnav ul::-webkit-scrollbar { display: none; }
.secnav a {
  display: block; padding: 6px 12px; border-radius: 999px; font-size: 14px; white-space: nowrap;
  color: var(--ink-2); text-decoration: none;
}
.secnav a:hover, .secnav a[aria-current="true"] { background: var(--blue-tint); color: var(--blue); }

/* Hero */
.hero { padding: 40px 0 32px; }
.hero .wrap { display: grid; gap: 32px; align-items: center; }
@media (min-width: 880px) { .hero .wrap { grid-template-columns: 1.1fr .9fr; gap: 56px; } .hero { padding: 64px 0 48px; } }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 14px; font-weight: 600; letter-spacing: .08em; margin-bottom: 14px; }
.eyebrow img { width: 44px; height: 44px; }
.hero h1 { font-size: clamp(40px, 8vw, 64px); letter-spacing: .06em; }
.hero .latin { font-family: var(--serif); font-size: clamp(15px, 2.4vw, 19px); letter-spacing: .22em; color: var(--blue); margin: 6px 0 4px; }
.hero .sub { color: var(--ink-2); margin-bottom: 20px; }
.hero .lede { font-size: 17px; max-width: 36em; }
.meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 24px; margin: 24px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); }
.meta div { min-width: 0; }
.meta dt { font-size: 12px; color: var(--ink-3); letter-spacing: .08em; }
.meta dd { margin: 2px 0 0; font-size: 15px; font-weight: 500; }
.hero-figure { position: relative; margin: 0; }
.hero-figure img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }

/* Stats */
.stats { padding: 8px 0 8px; }
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (min-width: 720px) { .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat .num { font-family: var(--serif); font-size: clamp(28px, 5vw, 38px); font-weight: 700; color: var(--blue); line-height: 1.15; }
.stat .num small { font-size: .5em; margin-left: 2px; }
.stat .label { font-size: 14px; color: var(--ink-2); line-height: 1.5; margin-top: 4px; }

/* Sections */
section.block { padding: 56px 0; }
section.block.alt { background: var(--paper-2); }
.sec-head { margin-bottom: 28px; max-width: 46em; }
.sec-head h2 { font-size: clamp(26px, 4.4vw, 34px); }
.sec-head p { color: var(--ink-2); margin-top: 10px; }
h3 { font-size: 20px; margin-bottom: 8px; }

/* Role cards */
.role-grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
.role {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  display: grid; grid-template-columns: 1fr; gap: 14px; align-content: start;
}
.role p { color: var(--ink-2); margin: 0; }
.role-logo { display: flex; align-items: center; gap: 16px; }
.role-logo img { width: 112px; height: 112px; flex: none; }
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.posts img { border-radius: 6px; aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.role-poster img { border-radius: 8px; border: 1px solid var(--line); }
.quote {
  margin: 28px 0 0; padding: 22px 24px; border-left: 3px solid var(--blue); background: var(--card);
  border-radius: 0 var(--radius) var(--radius) 0; color: var(--ink-2);
}
.quote h3 { color: var(--ink); }
.quote p:last-child { margin-bottom: 0; }

/* Overview */
.two-col { display: grid; gap: 28px; }
@media (min-width: 880px) { .two-col { grid-template-columns: 1fr 1fr; gap: 48px; } }
.goals { list-style: none; padding: 0; margin: 0; }
.goals li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.goals li:first-child { padding-top: 0; }
.goals b { display: block; font-family: var(--serif); }
.goals span { color: var(--ink-2); font-size: 15px; }
.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 10px; counter-reset: step; }
@media (min-width: 880px) { .steps { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 14px; line-height: 1.5; }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font-family: var(--serif); font-weight: 700; color: var(--blue); font-size: 18px; }
.steps li b { display: block; font-size: 15px; }
.steps li span { color: var(--ink-3); }

/* Charts — CSS bars, single series, values direct-labelled */
.chart-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 880px) { .chart-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
.chart { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin: 0; }
.chart figcaption { margin-bottom: 14px; }
.chart figcaption b { display: block; font-family: var(--serif); font-size: 17px; }
.chart figcaption span { font-size: 13px; color: var(--ink-3); }
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bars li { display: grid; grid-template-columns: minmax(7.5em, 38%) 1fr; gap: 10px; align-items: center; font-size: 14px; }
.bars .name { color: var(--ink-2); line-height: 1.35; }
.bars .track { display: grid; grid-template-columns: minmax(0, 1fr) 3.4em; align-items: center; gap: 8px; min-width: 0; }
.bars .bar { height: 14px; background: var(--blue-mark); border-radius: 0 4px 4px 0; width: calc(var(--v) * 1%); min-width: 2px; }
.bars .bar.dim { background: #a7b4c4; }
.bars .val { color: var(--ink); font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.big-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.big-pair div { background: var(--paper); border-radius: 10px; padding: 14px; }
.big-pair .num { font-family: var(--serif); font-size: clamp(26px, 7vw, 34px); font-weight: 700; color: var(--blue); line-height: 1.1; }
.big-pair .num.dim { color: var(--ink-3); }
.big-pair span { font-size: 13px; color: var(--ink-2); line-height: 1.45; display: block; margin-top: 4px; }


/* Design */
.design-flow { display: grid; gap: 16px; }
@media (min-width: 880px) { .design-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.design-flow figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.design-flow img { border-radius: 8px; width: 100%; aspect-ratio: 3 / 2; object-fit: contain; background: #fff; }
.design-flow figcaption { font-size: 14px; color: var(--ink-2); padding: 10px 4px 2px; }
.design-flow figcaption b { color: var(--ink); }
.table-wrap { overflow-x: auto; margin-top: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
@media (min-width: 720px) { table { font-size: 15px; } th, td { padding: 12px 16px; } }
th { font-size: 13px; color: var(--ink-3); font-weight: 600; letter-spacing: .06em; background: var(--paper); }
tr:last-child td, tr:nth-last-child(2) td[rowspan] { border-bottom: 0; }
td.after { color: var(--blue); font-weight: 600; }

/* Exhibition */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
@media (min-width: 720px) { .gallery { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; } }
.gallery .wide { grid-column: span 2; }
.gallery button {
  all: unset; display: block; cursor: zoom-in; position: relative; border-radius: 10px; overflow: hidden; background: var(--line);
}
.gallery button:focus-visible { outline: 2px solid var(--blue-mark); outline-offset: 2px; }
.gallery img { width: 100%; height: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .3s; }
.gallery .wide img { aspect-ratio: 2 / 1; }
.gallery button:hover img { transform: scale(1.03); }
.gallery .cap {
  position: absolute; inset: auto 0 0 0; padding: 18px 10px 8px; font-size: 12px; line-height: 1.4; color: #fff;
  background: linear-gradient(transparent, rgb(0 0 0 / .55));
}
.offcampus { margin-top: 48px; }
.offcampus .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.offcampus .gallery img { aspect-ratio: 3 / 4; }
.offcampus .gallery .wide img { aspect-ratio: 3 / 2; }
/* One row on wide screens: 2fr poster at 3:2 and two 1fr photos at 3:4 come out the same height. */
@media (min-width: 720px) {
  .offcampus .gallery { grid-template-columns: 2fr 1fr 1fr; }
  .offcampus .gallery .wide { grid-column: auto; }
}

/* Results */
.social { margin-top: 32px; }
.mini-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0 0; }
@media (min-width: 720px) { .mini-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; } }
.mini-stats div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.mini-stats b { display: block; font-family: var(--serif); font-size: 24px; color: var(--blue); line-height: 1.2; }
.mini-stats span { font-size: 13px; color: var(--ink-2); }

/* Deck viewer */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button {
  font: 500 14px/1 var(--sans); padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink-2); cursor: pointer;
}
.tabs button[aria-selected="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.deck { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.deck-track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; border-radius: 8px;
  scrollbar-width: none; overscroll-behavior-x: contain;
}
.deck-track::-webkit-scrollbar { display: none; }
.deck-track img { flex: 0 0 100%; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; scroll-snap-align: center; background: var(--paper-2); border-radius: 8px; }
.deck-bar { display: flex; align-items: center; gap: 8px; padding-top: 12px; flex-wrap: wrap; }
.deck-bar .count { font-variant-numeric: tabular-nums; color: var(--ink-2); font-size: 14px; min-width: 5em; text-align: center; }
.deck-bar .spacer { flex: 1; }
.icon-btn { width: 36px; padding: 0; justify-content: center; }

/* Footer */
footer { padding: 40px 0 56px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 14px; }
footer p { margin-bottom: 6px; }

/* Lightbox */
dialog.lightbox {
  border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; margin: 0;
}
dialog.lightbox::backdrop { background: rgb(12 18 26 / .9); }
.lb-inner { width: 100%; height: 100%; display: grid; grid-template-rows: 1fr auto; place-items: center; padding: 56px 12px 16px; }
.lb-inner img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px; min-height: 0; }
.lb-cap { color: #e8edf3; font-size: 14px; padding-top: 10px; text-align: center; }
.lb-btn {
  position: fixed; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: rgb(255 255 255 / .14); color: #fff; font-size: 22px; cursor: pointer;
}
.lb-btn:hover { background: rgb(255 255 255 / .26); }
.lb-prev { left: 12px; } .lb-next { right: 12px; }
.lb-close { top: 28px; right: 12px; transform: none; }


@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
.part { white-space: nowrap; }