/* ===========================================================
   KNU Genomic Medicine Lab — shared styles
   Aesthetic: refined scientific editorial
   =========================================================== */

:root {
  --paper: #faf9f5;
  --paper-2: #f1efe8;
  --ink: #1b2220;
  --ink-soft: #44514d;
  --muted: #7c8783;
  --primary: #11514e;      /* deep petrol/teal */
  --primary-dk: #0c3a38;
  --primary-lt: #2d7a76;
  --accent: #d9694a;       /* warm coral */
  --hi: #8fd3cd;           /* light highlight (hero eyebrow / em / helix / footer) */
  --line: #e2ded3;
  --white: #ffffff;
  --shadow: 0 18px 40px -24px rgba(17, 81, 78, 0.45);
  --radius: 14px;
  --maxw: 1140px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 249, 245, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark {
  width: 38px; height: 38px; flex: none;
  object-fit: contain;
  display: block;
}
.brand .name { font-family: var(--serif); font-weight: 600; font-size: 17px; line-height: 1.15; letter-spacing: .2px; }
.brand .name small { display: block; font-family: var(--sans); font-weight: 400; font-size: 11.5px; color: var(--muted); letter-spacing: .6px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: inline-block; padding: 9px 14px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-soft);
  transition: background .18s, color .18s;
}
.nav-links a:hover { background: var(--paper-2); color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 42px; height: 42px; border-radius: 9px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px auto; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 480px at 78% -10%, color-mix(in srgb, var(--primary-lt) 30%, transparent), transparent 60%),
    radial-gradient(700px 380px at 0% 110%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%),
    var(--primary-dk);
  color: #eef3f1;
}
.hero .wrap { position: relative; z-index: 2; padding: 92px 24px 104px; }
.hero .eyebrow {
  display: inline-block; font-size: 12.5px; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--hi); margin-bottom: 22px;
  border-left: 3px solid var(--accent); padding-left: 12px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(34px, 5.4vw, 62px); line-height: 1.06;
  letter-spacing: -.5px; max-width: 16ch;
}
.hero h1 em { font-style: italic; color: var(--hi); }
.hero p.lead {
  margin-top: 26px; max-width: 56ch; font-size: 18px;
  color: #c9d8d4;
}
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }

/* decorative helix lines */
.helix {
  position: absolute; inset: 0; z-index: 1; opacity: .5;
  pointer-events: none; color: var(--hi);
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: 14.5px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -12px rgba(217,105,74,.8); }
.btn-ghost { border: 1px solid rgba(255,255,255,.4); color: #eef3f1; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { margin-bottom: 40px; max-width: 62ch; }
.section-head .kicker {
  font-size: 12.5px; letter-spacing: 2.2px; text-transform: uppercase;
  color: var(--accent); font-weight: 600;
}
.section-head h2 {
  font-family: var(--serif); font-weight: 500; letter-spacing: -.4px;
  font-size: clamp(26px, 3.6vw, 40px); line-height: 1.12; margin-top: 10px;
}
.section-head p { margin-top: 14px; color: var(--ink-soft); font-size: 17px; }
.alt-bg { background: var(--paper-2); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card h3 { font-family: var(--serif); font-weight: 600; font-size: 20px; margin-bottom: 10px; }
.card .num { font-family: var(--serif); font-size: 13px; color: var(--accent); font-weight: 600; letter-spacing: 1px; }
.card p { color: var(--ink-soft); font-size: 15px; }

/* ---------- News list ---------- */
.news-list { list-style: none; }
.news-list li {
  display: flex; gap: 20px; align-items: baseline;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.news-list .date {
  flex: none; width: 96px; font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: .4px;
}
.news-list .txt { font-size: 16px; color: var(--ink); }

/* ---------- About blocks ---------- */
.prose-block { margin-bottom: 14px; }
.prose-block h3 { font-family: var(--serif); font-weight: 600; color: var(--primary); font-size: 22px; margin-bottom: 8px; }
.prose-block p { color: var(--ink-soft); font-size: 16.5px; }
.focus-list { list-style: none; display: grid; gap: 14px; }
.focus-list li {
  background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--primary);
  border-radius: 10px; padding: 16px 20px; font-size: 15.5px; color: var(--ink-soft);
}
.focus-list li b { color: var(--ink); }

/* ---------- Members ---------- */
.member-section-title {
  font-family: var(--serif); font-weight: 600; font-size: 22px;
  color: var(--primary); margin: 44px 0 22px; display: flex; align-items: center; gap: 10px;
}
.member-section-title:first-child { margin-top: 0; }
.member-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.member {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .18s, box-shadow .18s;
}
.member:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.member .photo {
  aspect-ratio: 1/1; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary-lt), var(--primary-dk));
  color: #fff; font-family: var(--serif); font-size: 44px; font-weight: 500;
}
.member .photo img { width: 100%; height: 100%; object-fit: cover; }
.member .body { padding: 20px; }
.member .body h4 { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.member .role { color: var(--accent); font-weight: 600; font-size: 13.5px; margin: 2px 0 10px; }
.member .body p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.member .body a { color: var(--primary); font-weight: 600; word-break: break-all; }
.member ul { list-style: none; margin-top: 10px; display: grid; gap: 4px; }
.member ul li { font-size: 12.8px; color: var(--muted); padding-left: 12px; position: relative; }
.member ul li::before { content: "·"; position: absolute; left: 0; color: var(--accent); }

.alumni-box { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; }
.alumni-box li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 15px; color: var(--ink-soft); list-style: none; }
.alumni-box li:last-child { border: 0; }

/* ---------- Publications ---------- */
.pub-list { list-style: none; counter-reset: pub; }
.pub {
  display: grid; grid-template-columns: 54px 1fr; gap: 20px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.pub .idx {
  font-family: var(--serif); font-size: 26px; color: var(--accent); font-weight: 500; line-height: 1;
}
.pub h3 { font-family: var(--serif); font-weight: 600; font-size: 19px; line-height: 1.3; margin-bottom: 8px; }
.pub h3 a:hover { color: var(--primary); text-decoration: underline; }
.pub .authors { font-size: 14px; color: var(--ink-soft); }
.pub .authors b { color: var(--ink); }
.pub .venue { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--primary); background: var(--paper-2); padding: 3px 12px; border-radius: 999px; }
.pub-note { font-size: 14px; color: var(--muted); margin-bottom: 28px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.contact-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-item .ic { font-size: 22px; flex: none; }
.contact-item .k { font-size: 12.5px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--muted); }
.contact-item .v { font-size: 16px; color: var(--ink); }
.contact-item .v a { color: var(--primary); font-weight: 600; }
.map-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 320px; }
.map-card iframe { width: 100%; height: 100%; min-height: 320px; border: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dk); color: #c9d8d4; padding: 54px 0 30px; margin-top: 20px;
}
.footer-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand .name { font-family: var(--serif); font-size: 19px; color: #fff; margin-bottom: 8px; }
.footer-brand p { font-size: 14px; line-height: 1.6; }
.footer-links { display: flex; gap: 50px; flex-wrap: wrap; }
.footer-col h5 { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--hi); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 14px; padding: 4px 0; color: #c9d8d4; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: #9fb4af;
}
.social { display: flex; gap: 10px; }
.social a {
  width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); transition: background .18s;
}
.social a:hover { background: var(--accent); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .member-grid { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; border-radius: 8px; }
  .grid-3, .grid-2, .member-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  section { padding: 56px 0; }
}

/* ---------- News cards (grid) ---------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.news-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.news-card .thumb {
  position: relative; aspect-ratio: 16/10;
  background: var(--primary-dk) center/cover no-repeat;
  display: flex; align-items: flex-end;
}
.news-card .thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,58,56,.05) 0%, rgba(12,58,56,.25) 45%, rgba(12,58,56,.82) 100%);
}
.news-card .thumb .ov { position: relative; z-index: 2; padding: 22px; color: #fff; width: 100%; }
.news-card .thumb .ov .d {
  font-size: 12px; letter-spacing: 1.6px; text-transform: uppercase;
  font-weight: 600; color: #ffd9cd; margin-bottom: 6px;
}
.news-card .thumb .ov h2 {
  font-family: var(--serif); font-weight: 500; line-height: 1.12;
  font-size: clamp(20px, 2.3vw, 26px); letter-spacing: -.3px;
}
.news-card .body { padding: 18px 22px 24px; }
.news-card .body p { color: var(--ink-soft); font-size: 15px; line-height: 1.65; margin-bottom: 8px; }
.news-card .body p:last-child { margin-bottom: 0; }
@media (max-width: 760px) { .news-grid { grid-template-columns: 1fr; } }

/* ---------- Pagination ---------- */
.pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 46px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 42px; height: 42px; padding: 0 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; border-radius: 10px;
  border: 1px solid var(--line); background: var(--white); color: var(--ink-soft);
  transition: border-color .15s, color .15s, background .15s;
}
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager .disabled { opacity: .4; }

/* ---------- News post gallery (multiple images) ---------- */
.post-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.post-gallery img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block;
  border-radius: 8px; border: 1px solid var(--line); transition: opacity .15s;
}
.post-gallery a:hover img { opacity: .85; }
@media (max-width: 760px) { .post-gallery { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Link cards (Note / Resources) ---------- */
.link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.link-card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; color: inherit;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.link-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.link-card .tag {
  font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--accent); font-weight: 600;
}
.link-card h3 { font-family: var(--serif); font-weight: 600; font-size: 21px; margin: 10px 0 8px; }
.link-card p { color: var(--ink-soft); font-size: 15px; line-height: 1.6; flex: 1; }
.link-card .go { margin-top: 18px; font-weight: 600; color: var(--primary); font-size: 14.5px; }
.link-card:hover .go { color: var(--accent); }
@media (max-width: 760px) { .link-grid { grid-template-columns: 1fr; } }

/* ===========================================================
   Card News (note.html) — weekly literature cards
   =========================================================== */
.cardnews-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  margin-bottom: 18px;
}
.cardnews-bar .cn-week {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--ink-soft);
}
.cardnews-bar select,
.cardnews-bar input[type="search"] {
  font-family: var(--sans); font-size: 14.5px; color: var(--ink);
  background: var(--white); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px;
}
.cardnews-bar select { cursor: pointer; }
.cardnews-bar input[type="search"] { flex: 1; min-width: 200px; }
.cardnews-bar select:focus,
.cardnews-bar input:focus { outline: none; border-color: var(--primary-lt); }
.cn-count { font-size: 13.5px; color: var(--muted); font-weight: 600; white-space: nowrap; }

.cardnews-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.cn-chip {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  color: var(--ink-soft); background: var(--white);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 13px; cursor: pointer; transition: .18s;
}
.cn-chip:hover { border-color: var(--primary-lt); color: var(--primary); }
.cn-chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }

.cardnews-grid { display: grid; gap: 14px; }
.cn-empty { color: var(--muted); font-size: 15px; padding: 24px 0; }

.cn-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s, border-color .25s;
}
.cn-card:hover { box-shadow: var(--shadow); border-color: transparent; }
.cn-card.open { border-color: var(--primary-lt); box-shadow: var(--shadow); }

.cn-head {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0; font: inherit; color: inherit;
  padding: 20px 22px;
}
.cn-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.cn-badge {
  font-size: 12.5px; font-weight: 600; color: var(--primary);
  background: color-mix(in srgb, var(--hi) 26%, transparent);
  border-radius: 999px; padding: 4px 11px; white-space: nowrap;
}
.cn-stars { color: var(--accent); font-size: 14px; letter-spacing: 1px; white-space: nowrap; }
.cn-title {
  font-family: var(--serif); font-weight: 600; font-size: 19px;
  line-height: 1.3; color: var(--ink); margin: 0 0 6px;
}
.cn-metaline { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.cn-oneliner { color: var(--ink-soft); font-size: 15px; line-height: 1.6; margin: 0; }
.cn-toggle {
  display: inline-block; margin-top: 12px;
  font-size: 13.5px; font-weight: 600; color: var(--primary);
}
.cn-card:hover .cn-toggle { color: var(--accent); }

.cn-detail { padding: 0 22px 22px; }
.cn-detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 4px 0 0; }
.cn-detail dt {
  font-size: 13px; font-weight: 700; color: var(--primary);
  white-space: nowrap; padding-top: 1px;
}
.cn-detail dd { font-size: 14.5px; line-height: 1.62; color: var(--ink-soft); margin: 0; }
.cn-concepts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.cn-tag {
  font-size: 12px; color: var(--ink-soft); background: var(--paper-2);
  border-radius: 6px; padding: 3px 9px;
}
.cn-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.cn-links a { font-size: 14px; font-weight: 600; color: var(--primary); }
.cn-links a:hover { color: var(--accent); }

@media (max-width: 620px) {
  .cn-detail dl { grid-template-columns: 1fr; gap: 2px 0; }
  .cn-detail dt { padding-top: 10px; }
  .cn-detail dt:first-child { padding-top: 0; }
}

/* Card News — "더 보기" 버튼 & 무엇을 했나 목록 */
.cn-more {
  display: block; width: 100%; margin-top: 4px;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  color: var(--primary); background: var(--white);
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 13px; cursor: pointer; transition: .18s;
}
.cn-more:hover { border-color: var(--primary-lt); background: var(--paper-2); color: var(--accent); }
.cn-detail .cn-did { margin: 0; padding-left: 18px; }
.cn-detail .cn-did li { font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); margin-bottom: 4px; }
.cn-detail .cn-did li:last-child { margin-bottom: 0; }