/*
Theme Name: MCLAB
Description: Custom theme for MCLAB — Monte Carlo Laboratory, Yonsei University College of Medicine. Ported from the static prototype.
Author: MCLAB
Version: 1.0
*/
/* ============================================
   MCLAB — Monte Carlo Laboratory
   Shared stylesheet (prototype)
   ============================================ */
:root {
  --navy: #16324f;
  --navy-dark: #0e2237;
  --teal: #2a9d8f;
  --teal-light: #7fd1c8;
  --amber: #e9c46a;
  --ink: #26323d;
  --gray: #6b7a88;
  --line: #e3e9ee;
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --maxw: 1080px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand img { height: 44px; width: auto; }
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: .5px; }
.brand-sub { font-size: 10.5px; color: var(--teal-light); letter-spacing: .3px; display: block; line-height: 1.2; }

.main-nav { display: flex; align-items: center; }
.main-nav > ul { display: flex; list-style: none; gap: 2px; }
.main-nav > ul > li { position: relative; }
.main-nav a { color: #e8eef4; font-size: 14.5px; font-weight: 500; padding: 21px 13px; display: block; }
.main-nav a:hover { color: #fff; text-decoration: none; }
.main-nav > ul > li.active > a { color: var(--amber); }
.main-nav > ul > li > a::after { content: ""; display: block; height: 3px; background: transparent; margin-top: 18px; position: absolute; left: 13px; right: 13px; bottom: 0; }
.main-nav > ul > li.active > a::after, .main-nav > ul > li:hover > a::after { background: var(--teal); }

.dropdown {
  display: none; position: absolute; top: 64px; left: 0;
  background: #fff; min-width: 210px;
  box-shadow: 0 8px 24px rgba(14,34,55,.18);
  border-top: 3px solid var(--teal);
  list-style: none; padding: 6px 0;
}
.main-nav li:hover .dropdown { display: block; }
.dropdown a { color: var(--ink) !important; padding: 9px 18px; font-size: 13.5px; font-weight: 400; }
.dropdown a:hover { background: var(--bg-soft); color: var(--navy) !important; }

.lang-switch { display: flex; gap: 4px; margin-left: 16px; }
.lang-switch a {
  font-size: 12px; font-weight: 700; padding: 4px 9px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 4px; color: #cfd9e2;
}
.lang-switch a.on { background: var(--teal); border-color: var(--teal); color: #fff; }
.lang-switch a:hover { text-decoration: none; color: #fff; }

/* ---------- Page title band ---------- */
.page-band {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff; padding: 44px 20px 38px;
  position: relative; overflow: hidden;
}
.page-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(127,209,200,.28) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  mask-image: linear-gradient(100deg, transparent 30%, black 100%);
  -webkit-mask-image: linear-gradient(100deg, transparent 30%, black 100%);
}
.page-band .inner { max-width: var(--maxw); margin: 0 auto; position: relative; }
.page-band h1 { font-size: 30px; font-weight: 700; letter-spacing: .3px; }
.page-band .crumb { font-size: 13px; color: var(--teal-light); margin-top: 6px; }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 44px 20px 70px; }
.section-title {
  font-size: 22px; color: var(--navy); font-weight: 700;
  padding-bottom: 10px; margin: 36px 0 20px;
  border-bottom: 2px solid var(--line); position: relative;
}
.section-title:first-child { margin-top: 0; }
.section-title::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 64px; height: 2px; background: var(--teal); }
.lead { font-size: 16.5px; color: var(--ink); margin-bottom: 16px; }
p + p { margin-top: 12px; }

/* ---------- Hero (main page) ---------- */
.hero {
  background: linear-gradient(115deg, var(--navy) 0%, var(--navy-dark) 70%);
  color: #fff; padding: 90px 20px 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(127,209,200,.30) 1.6px, transparent 1.6px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse at 80% 40%, black 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 40%, black 0%, transparent 65%);
}
.hero .inner { max-width: var(--maxw); margin: 0 auto; position: relative; }
.hero h1 { font-size: 42px; line-height: 1.2; font-weight: 800; letter-spacing: .3px; }
.hero h1 .accent { color: var(--teal-light); }
.hero .tagline { font-size: 18px; color: #c9d6e2; margin-top: 14px; max-width: 640px; }
.hero .cta { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 22px; border-radius: 6px;
  font-size: 14.5px; font-weight: 600;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: #238a7e; text-decoration: none; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { border-color: #fff; text-decoration: none; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 8px; }
.card {
  border: 1px solid var(--line); border-radius: 10px; padding: 26px 22px;
  background: #fff; transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 10px 26px rgba(14,34,55,.10); transform: translateY(-2px); }
.card h3 { color: var(--navy); font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--gray); }
.card .more { display: inline-block; margin-top: 12px; font-size: 13.5px; font-weight: 600; }

/* ---------- People ---------- */
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.person {
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff;
}
.person .photo { background: var(--bg-soft); aspect-ratio: 4 / 4.4; display: flex; align-items: center; justify-content: center; }
.person .photo img { width: 100%; height: 100%; object-fit: cover; }
.person .info { padding: 16px 18px 18px; }
.person .name { font-size: 16.5px; font-weight: 700; color: var(--navy); }
.person .name .kr { font-weight: 500; color: var(--gray); font-size: 14px; }
.person dl { margin-top: 8px; font-size: 13.5px; }
.person dt { font-weight: 600; color: var(--teal); display: inline; }
.person dt::after { content: " · "; color: var(--line); }
.person dd { display: inline; color: var(--ink); margin: 0; }
.person .row { margin-top: 3px; }

/* Professor profile */
.prof-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 36px; align-items: start; }
.prof-photo { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.prof-name { font-size: 26px; color: var(--navy); font-weight: 800; }
.prof-title { color: var(--teal); font-weight: 600; margin: 4px 0 16px; }
.prof-list { list-style: none; font-size: 14.5px; }
.prof-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); }
.prof-list b { color: var(--navy); display: inline-block; min-width: 110px; }

/* ---------- Publications ---------- */
.pub-list { list-style: none; counter-reset: pub; }
.pub-list li {
  padding: 14px 0 14px 44px; border-bottom: 1px solid var(--line);
  position: relative; font-size: 14.5px;
}
.pub-list li::before {
  counter-increment: pub; content: counter(pub);
  position: absolute; left: 0; top: 14px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg-soft); color: var(--navy); font-weight: 700; font-size: 12.5px;
  display: flex; align-items: center; justify-content: center;
}
.pub-list .authors { color: var(--gray); }
.pub-list .title { font-weight: 600; color: var(--ink); }
.pub-list .venue { color: var(--teal); font-style: italic; }

/* ---------- Board (News) ---------- */
.board { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.board th {
  background: var(--bg-soft); color: var(--navy); text-align: left;
  padding: 12px 14px; border-top: 2px solid var(--navy); border-bottom: 1px solid var(--line);
}
.board td { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.board .num { width: 60px; color: var(--gray); }
.board .date { width: 110px; color: var(--gray); }
.board tr:hover td { background: #fafcfd; }
.badge {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px;
  border-radius: 10px; background: var(--teal); color: #fff; margin-right: 6px; vertical-align: 1px;
}

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.g-item { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.g-item .thumb { aspect-ratio: 4 / 3; background: var(--bg-soft); }
.g-item .thumb img, .g-item .thumb svg { width: 100%; height: 100%; object-fit: cover; }
.g-item .cap { padding: 10px 14px; font-size: 13px; }
.g-item .cap b { display: block; color: var(--navy); font-size: 13.5px; }
.g-item .cap span { color: var(--gray); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.map-placeholder {
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: 10px;
  min-height: 300px; display: flex; align-items: center; justify-content: center;
  color: var(--gray); font-size: 14px;
}

/* ---------- Notice box / KR-EN note ---------- */
.note {
  background: #f2faf9; border-left: 4px solid var(--teal);
  padding: 14px 18px; border-radius: 0 8px 8px 0; font-size: 14px; margin: 18px 0;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: #9fb2c3; margin-top: 40px; }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 34px 20px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  font-size: 13px;
}
.footer-inner .f-brand { color: #fff; font-weight: 700; font-size: 15px; }
.footer-inner .f-brand span { color: var(--teal-light); font-weight: 400; font-size: 12px; display: block; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .card-grid, .people-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .prof-wrap, .contact-grid { grid-template-columns: 1fr; }
  .main-nav a { padding: 21px 8px; font-size: 13px; }
}
@media (max-width: 640px) {
  .header-inner { height: auto; flex-direction: column; padding: 10px 16px; }
  .main-nav > ul { flex-wrap: wrap; justify-content: center; }
  .main-nav a { padding: 10px 8px; }
  .main-nav > ul > li > a::after { display: none; }
  .dropdown { top: 40px; }
  .card-grid, .people-grid, .gallery-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* ---------- WordPress adaptations ---------- */
/* wp_nav_menu dropdowns */
.main-nav .sub-menu {
  display: none; position: absolute; top: 64px; left: 0;
  background: #fff; min-width: 210px;
  box-shadow: 0 8px 24px rgba(14,34,55,.18);
  border-top: 3px solid var(--teal);
  list-style: none; padding: 6px 0;
}
.main-nav li:hover .sub-menu { display: block; }
.main-nav .sub-menu a { color: var(--ink) !important; padding: 9px 18px; font-size: 13.5px; font-weight: 400; }
.main-nav .sub-menu a:hover { background: var(--bg-soft); color: var(--navy) !important; }
.main-nav .current-menu-item > a,
.main-nav .current-menu-ancestor > a { color: var(--amber); }
/* Polylang language switcher */
.lang-switch ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.lang-switch li a { text-transform: uppercase; }
.lang-switch li.current-lang a { background: var(--teal); border-color: var(--teal); color: #fff; }
/* Content images & alignment */
.container img { height: auto; }
.alignleft { float: left; margin: 0 20px 10px 0; }
.alignright { float: right; margin: 0 0 10px 20px; }
.aligncenter { margin: 10px auto; }
/* Pagination */
.nav-links { display: flex; gap: 8px; font-size: 14px; }
.nav-links .page-numbers { padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; }
.nav-links .current { background: var(--navy); color: #fff; border-color: var(--navy); }