/* ============================================================
   X-Physical AI R&D Center · 동서대학교 크로스 피지컬 AI 연구센터
   Global Stylesheet
   ============================================================ */

:root {
  --navy: #0a2540;
  --navy-2: #0f2540;
  --navy-3: #14304f;
  --bg: #050f1e;
  --bg-2: #030a14;
  --cyan: #00d9ff;
  --cyan-dim: #00a8cc;
  --magenta: #ff3d71;
  --amber: #ffb800;
  --lime: #7cff6b;
  --ink: #e8f1ff;
  --ink-2: #a8b8cc;
  --ink-3: #6b7a8f;
  --line: rgba(0, 217, 255, 0.18);
  --line-2: rgba(0, 217, 255, 0.08);
  --card: rgba(15, 37, 64, 0.6);
  --card-solid: #0f2540;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.site { max-width: 1440px; margin: 0 auto; position: relative; background: var(--bg); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 40px; }
section { padding: 120px 0; position: relative; }
section.tight { padding: 72px 0; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: 'Pretendard Variable', 'Inter', sans-serif;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
}
h2 { font-size: 44px; line-height: 1.15; margin-bottom: 18px; }
h3 { font-size: 22px; }
.accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
p { color: var(--ink-2); margin: 0 0 14px; }
.lead {
  font-size: 18px; color: var(--ink); max-width: 780px; margin-bottom: 56px; line-height: 1.6;
}
.mono { font-family: 'JetBrains Mono', monospace; }

.sec-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.18em;
  color: var(--cyan); padding: 7px 16px; border: 1px solid var(--line); border-radius: 99px;
  background: rgba(0, 217, 255, 0.05); margin-bottom: 24px;
}
.sec-label::before {
  content: ''; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%;
  box-shadow: 0 0 12px var(--cyan);
}

/* ── Navigation ── */
nav.top {
  position: sticky; top: 0; z-index: 200; padding: 16px 40px;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  background: rgba(5, 15, 30, 0.85); border-bottom: 1px solid var(--line-2);
}
nav.top .logo {
  font-family: 'Inter', sans-serif; font-weight: 800; font-size: 17px; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
nav.top .logo .x {
  background: linear-gradient(135deg, var(--cyan), var(--magenta) 70%, var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent; font-style: italic;
}
nav.top .logo .ko { font-size: 11px; color: var(--ink-3); font-weight: 500; letter-spacing: 0; }
.nav-main { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; position: relative; }
.nav-main > li { position: relative; }
.nav-main > li > a {
  color: var(--ink-2); text-decoration: none; font-size: 13.5px; font-weight: 500;
  padding: 10px 14px; border-radius: 8px; display: block; transition: color 0.2s, background 0.2s;
}
.nav-main > li > a:hover, .nav-main > li.active > a { color: var(--cyan); background: rgba(0, 217, 255, 0.06); }
.nav-dropdown {
  position: absolute; top: 100%; left: 0; min-width: 240px; padding: 10px;
  background: rgba(10, 25, 45, 0.98); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}
.nav-main > li:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a {
  display: flex; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: 8px;
  color: var(--ink-2); text-decoration: none; font-size: 13px; transition: background 0.2s, color 0.2s;
}
.nav-dropdown a:hover { background: rgba(0,217,255,0.08); color: var(--cyan); }
.nav-dropdown a .tag-en { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-3); }
nav.top .right { display: flex; align-items: center; gap: 12px; }
nav.top .lang {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--ink-3);
  padding: 6px 10px; border: 1px solid var(--line-2); border-radius: 6px;
}
nav.top .lang b { color: var(--cyan); font-weight: 600; }
nav.top .cta {
  font-size: 13px; font-weight: 600; padding: 9px 18px; border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim)); color: var(--navy);
  text-decoration: none; transition: box-shadow 0.25s, transform 0.25s; white-space: nowrap;
}
nav.top .cta:hover { box-shadow: 0 0 24px rgba(0, 217, 255, 0.5); transform: translateY(-1px); }
.nav-burger { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px;
  font-weight: 600; font-size: 14.5px; text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s; cursor: pointer; border: none;
}
.btn.primary { background: linear-gradient(135deg, var(--cyan), var(--cyan-dim)); color: var(--navy); }
.btn.primary:hover { box-shadow: 0 0 32px rgba(0, 217, 255, 0.55); transform: translateY(-2px); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: rgba(0, 217, 255, 0.08); border-color: var(--cyan); }
.btn .arr { transition: transform 0.25s; }
.btn:hover .arr { transform: translateX(4px); }
.btn.small { padding: 10px 18px; font-size: 13px; }

/* ── HERO (home) ── */
.hero {
  position: relative; overflow: hidden; padding: 140px 0 100px; min-height: 780px;
  display: flex; align-items: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% 25%, rgba(0, 217, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 700px 400px at 85% 75%, rgba(255, 61, 113, 0.15), transparent 60%),
    linear-gradient(180deg, #0a2540 0%, #050f1e 100%);
}
.hero-photo {
  position: absolute; inset: 0; z-index: 0;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; opacity: 0.38; }
.hero-photo::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,15,30,0.55) 0%, rgba(5,15,30,0.75) 55%, var(--bg) 100%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0, 217, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 217, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; }
.kicker {
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--cyan); letter-spacing: 0.22em;
  margin-bottom: 28px; display: flex; align-items: center; gap: 12px;
}
.kicker .dot {
  width: 8px; height: 8px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 12px var(--lime);
  animation: pulse 2s ease-in-out infinite;
}
.kicker-badge {
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: #050f1e; letter-spacing: 0.22em;
  margin-bottom: 28px; display: inline-flex; align-items: center; gap: 12px;
  background: #ffffff; padding: 8px 16px; border-radius: 999px; text-decoration: none;
  transition: background 0.2s;
}
.kicker-badge:hover { background: #e8f1ff; }
.kicker-badge .dot {
  width: 8px; height: 8px; background: var(--magenta); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1);} 50% { opacity:.6; transform:scale(1.3);} }
h1.hero-title {
  font-family: 'Inter', sans-serif; font-size: 92px; line-height: 0.98; letter-spacing: -0.045em;
  font-weight: 900; margin-bottom: 28px; max-width: 1000px;
}
h1.hero-title .x {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 60%, var(--amber) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; font-style: italic;
}
.hero-sub { font-size: 19px; color: var(--ink-2); margin-bottom: 24px; font-weight: 500; letter-spacing: -0.01em; }
.hero-slogan {
  font-size: 22px; font-weight: 500; color: var(--ink); max-width: 680px; line-height: 1.5;
  letter-spacing: -0.015em; margin-bottom: 48px; padding-left: 22px; border-left: 3px solid var(--cyan);
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 72px; }
.hero-meta {
  position: absolute; right: 40px; bottom: 100px; background: rgba(10, 25, 45, 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px 22px; font-family: 'JetBrains Mono', monospace; font-size: 11.5px;
  line-height: 1.9; color: var(--ink-2); min-width: 280px; z-index: 1;
}
.hero-meta .l { color: var(--cyan); letter-spacing: 0.1em; }
.hero-meta .v { color: var(--ink); }
.scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.25em; color: var(--ink-3);
  display: flex; flex-direction: column; align-items: center; gap: 10px; z-index: 1;
}
.scroll-hint .line { width: 1px; height: 30px; background: linear-gradient(180deg, var(--cyan), transparent); animation: scrolldown 2s ease-in-out infinite; }
@keyframes scrolldown { 0%{transform:scaleY(0);transform-origin:top;} 50%{transform:scaleY(1);transform-origin:top;} 50.01%{transform-origin:bottom;} 100%{transform:scaleY(0);transform-origin:bottom;} }

/* ── Page header (sub pages) ── */
.page-header {
  position: relative; overflow: hidden; padding: 160px 0 72px;
  background: linear-gradient(180deg, #0a2540 0%, #050f1e 100%);
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 800px 400px at 20% 0%, rgba(0, 217, 255, 0.14), transparent 60%);
}
.page-header .hero-grid { opacity: 0.6; }
.breadcrumb {
  position: relative; z-index: 1; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--ink-3); letter-spacing: 0.05em; margin-bottom: 20px; display: flex; gap: 8px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan); }
.page-header h1 {
  position: relative; z-index: 1; font-size: 48px; letter-spacing: -0.03em; margin-bottom: 16px; line-height: 1.2;
}
.page-header .sub { position: relative; z-index: 1; font-size: 17px; color: var(--ink-2); max-width: 720px; }

/* ── About grid (home) ── */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; align-items: center; }
.value-cards { display: flex; flex-direction: column; gap: 16px; }
.value-card {
  background: var(--card); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-2); border-radius: 16px; padding: 26px 28px; display: flex; gap: 20px;
  align-items: flex-start; transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.value-card:hover { border-color: var(--cyan); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(0, 217, 255, 0.12); }
.value-card .n {
  font-family: 'Inter', sans-serif; font-weight: 800; font-style: italic; font-size: 40px; line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--magenta)); -webkit-background-clip: text;
  background-clip: text; color: transparent; min-width: 48px;
}
.value-card h4 { font-size: 17px; margin-bottom: 6px; letter-spacing: -0.01em; }
.value-card .en { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); letter-spacing: 0.15em; margin-bottom: 10px; }
.value-card p { font-size: 14px; margin: 0; line-height: 1.55; }
.x-decor {
  font-family: 'Inter', sans-serif; font-weight: 900; font-style: italic; font-size: 340px; line-height: 0.85;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 55%, var(--amber) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; text-align: center; opacity: 0.9;
  filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.25));
}

/* ── Research cards ── */
.research-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.r-card {
  background: var(--card); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-2); border-radius: 18px; padding: 32px 30px; position: relative;
  overflow: hidden; transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s; text-decoration: none; display: block;
}
.r-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); }
.r-card.c-magenta::before { background: linear-gradient(90deg, var(--magenta), transparent); }
.r-card.c-amber::before { background: linear-gradient(90deg, var(--amber), transparent); }
.r-card.c-lime::before { background: linear-gradient(90deg, var(--lime), transparent); }
.r-card:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: 0 12px 40px rgba(0, 217, 255, 0.15); }
.r-card .icon-wrap {
  width: 56px; height: 56px; border-radius: 14px; background: rgba(0, 217, 255, 0.08); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.r-card.c-magenta .icon-wrap { background: rgba(255, 61, 113, 0.08); border-color: rgba(255, 61, 113, 0.25); }
.r-card.c-amber .icon-wrap { background: rgba(255, 184, 0, 0.08); border-color: rgba(255, 184, 0, 0.25); }
.r-card.c-lime .icon-wrap { background: rgba(124, 255, 107, 0.08); border-color: rgba(124, 255, 107, 0.25); }
.r-card .num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-3); letter-spacing: 0.2em; margin-bottom: 8px; }
.r-card h3 { font-size: 20px; margin-bottom: 4px; }
.r-card .en { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--cyan); margin-bottom: 14px; letter-spacing: 0.05em; }
.r-card p { font-size: 14px; margin: 0; line-height: 1.6; }
.r-card .more { margin-top: 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--cyan); }

/* ── Facilities / floor plan ── */
.floor-plan { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 32px; margin-bottom: 56px; overflow: hidden; }
.floor-plan .fp-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ink-3); letter-spacing: 0.15em; flex-wrap: wrap; gap: 8px; }
.floor-plan .fp-label .dim { color: var(--cyan); }
.floor-svg { width: 100%; height: auto; display: block; }
.zone-info { margin-top: 20px; padding: 16px 20px; background: rgba(0, 217, 255, 0.05); border-left: 3px solid var(--cyan); border-radius: 0 8px 8px 0; font-size: 13.5px; color: var(--ink); min-height: 52px; transition: border-color 0.25s; }
.zone-info b { color: var(--cyan); font-weight: 600; margin-right: 8px; }
.zone { cursor: pointer; transition: opacity 0.25s, transform 0.25s; transform-origin: center; transform-box: fill-box; }
.zone:hover { opacity: 0.85; }
.zone.active { opacity: 1; }
.zone-label { pointer-events: none; }

.facility-card {
  background: var(--card); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-2); border-radius: 18px; padding: 32px; margin-bottom: 20px;
  display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: center;
  transition: border-color 0.3s, transform 0.3s; text-decoration: none;
}
.facility-card:hover { border-color: var(--cyan); transform: translateX(4px); }
.facility-card .illust { aspect-ratio: 4/3; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); position: relative; }
.facility-card .illust img { width: 100%; height: 100%; object-fit: cover; }
.facility-card .body h3 { font-size: 22px; margin-bottom: 4px; }
.facility-card .body .en { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--cyan); margin-bottom: 14px; letter-spacing: 0.05em; }
.facility-card .scale { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-2); padding: 4px 10px; border: 1px solid var(--line-2); border-radius: 5px; margin-bottom: 14px; }
.facility-card .desc { font-size: 14.5px; margin-bottom: 16px; line-height: 1.65; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; padding: 5px 11px; background: rgba(0, 217, 255, 0.08); color: var(--cyan); border: 1px solid var(--line); border-radius: 6px; }

/* ── Facility detail page ── */
.facility-hero { border-radius: 22px; overflow: hidden; border: 1px solid var(--line); margin-bottom: 48px; position: relative; }
.facility-hero img { width: 100%; height: auto; display: block; max-height: 480px; object-fit: cover; }
.facility-hero .caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 28px;
  background: linear-gradient(0deg, rgba(3,10,20,0.9), transparent);
  font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--ink-2); letter-spacing: 0.06em;
}
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0 48px; }
.spec-box { background: var(--card); border: 1px solid var(--line-2); border-radius: 14px; padding: 20px 22px; }
.spec-box .k { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); letter-spacing: 0.12em; margin-bottom: 8px; }
.spec-box .v { font-size: 16px; font-weight: 700; color: var(--ink); }
.scenario-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.scenario-item { display: flex; gap: 20px; background: var(--card); border: 1px solid var(--line-2); border-radius: 14px; padding: 22px 26px; align-items: flex-start; }
.scenario-item .idx { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--cyan); min-width: 28px; padding-top: 2px; }
.scenario-item h4 { font-size: 16px; margin-bottom: 6px; }
.scenario-item p { font-size: 14px; margin: 0; }

/* ── Methodology loop ── */
.loop { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: start; }
.loop::before { content: ''; position: absolute; top: 44px; left: 12%; right: 12%; height: 2px; background: repeating-linear-gradient(90deg, var(--cyan) 0 8px, transparent 8px 16px); opacity: 0.4; z-index: 0; }
.loop-step { position: relative; z-index: 1; text-align: center; padding: 8px; }
.loop-step .ring { width: 88px; height: 88px; margin: 0 auto 20px; border-radius: 50%; background: rgba(10, 25, 45, 0.9); border: 2px solid var(--cyan); display: flex; align-items: center; justify-content: center; color: var(--cyan); position: relative; transition: box-shadow 0.3s; }
.loop-step:hover .ring { box-shadow: 0 0 24px rgba(0, 217, 255, 0.5); }
.loop-step:nth-child(2) .ring { border-color: var(--magenta); color: var(--magenta); }
.loop-step:nth-child(3) .ring { border-color: var(--amber); color: var(--amber); }
.loop-step:nth-child(4) .ring { border-color: var(--lime); color: var(--lime); }
.loop-step .num { position: absolute; top: -6px; right: -6px; width: 24px; height: 24px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line); font-family: 'JetBrains Mono', monospace; font-size: 11px; display: flex; align-items: center; justify-content: center; color: var(--ink); }
.loop-step h4 { font-size: 16px; margin-bottom: 4px; }
.loop-step .en { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); margin-bottom: 10px; letter-spacing: 0.05em; }
.loop-step p { font-size: 13px; margin: 0; line-height: 1.55; }

/* ── Org chart ── */
.org-chart { display: flex; flex-direction: column; align-items: center; gap: 0; margin-bottom: 40px; }
.org-node {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 28px; text-align: center;
  min-width: 200px; margin-bottom: 8px;
}
.org-node.top { border-color: var(--cyan); box-shadow: 0 0 24px rgba(0,217,255,0.15); }
.org-node h4 { font-size: 15px; margin-bottom: 3px; }
.org-node .role { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--cyan); letter-spacing: 0.1em; }
.org-connector { width: 2px; height: 28px; background: linear-gradient(180deg, var(--cyan), var(--line-2)); }
.org-row { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; margin-bottom: 8px; }
.org-branch { display: flex; flex-direction: column; align-items: center; }

/* ── Team ── */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.team-card { background: var(--card); border: 1px solid var(--line-2); border-radius: 14px; padding: 26px 22px; text-align: center; transition: border-color 0.3s, transform 0.3s; }
.team-card:hover { border-color: var(--cyan); transform: translateY(-3px); }
.team-card .avatar { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(255, 61, 113, 0.1)); border: 1px solid var(--line); margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; color: var(--cyan); }
.team-card h4 { font-size: 15px; margin-bottom: 4px; }
.team-card .role { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-3); letter-spacing: 0.1em; margin-bottom: 14px; }
.team-card .status { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 10.5px; padding: 3px 10px; border-radius: 4px; letter-spacing: 0.08em; background: rgba(168, 184, 204, 0.08); color: var(--ink-3); border: 1px solid rgba(168, 184, 204, 0.15); }
.team-card .status.recruit { background: rgba(255, 61, 113, 0.12); color: var(--magenta); border-color: rgba(255, 61, 113, 0.3); }
.recruit-banner { background: linear-gradient(135deg, rgba(0, 217, 255, 0.08), rgba(255, 61, 113, 0.06)); border: 1px solid var(--line); border-radius: 18px; padding: 32px 36px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.recruit-banner h4 { font-size: 20px; margin-bottom: 6px; }
.recruit-banner p { margin: 0; font-size: 14px; }

/* ── Timeline ── */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(180deg, var(--cyan), var(--magenta), var(--amber)); }
.tl-item { position: relative; padding: 20px 0 20px 28px; border-bottom: 1px solid var(--line-2); }
.tl-item:last-child { border-bottom: none; }
.tl-item::before { content: ''; position: absolute; left: -28px; top: 26px; width: 18px; height: 18px; border-radius: 50%; background: var(--bg); border: 3px solid var(--cyan); box-shadow: 0 0 12px rgba(0, 217, 255, 0.5); }
.tl-item.upcoming::before { border-color: var(--magenta); box-shadow: 0 0 12px rgba(255, 61, 113, 0.5); }
.tl-item .when { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--cyan); letter-spacing: 0.12em; margin-bottom: 6px; }
.tl-item.upcoming .when { color: var(--magenta); }
.tl-item h4 { font-size: 17px; margin-bottom: 4px; }
.tl-item p { font-size: 13.5px; margin: 0; }
.more-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--cyan); text-decoration: none; font-size: 13.5px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em; }
.more-link:hover { text-decoration: underline; }

/* ── News board ── */
.news-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line-2); margin-bottom: 32px; }
.news-item { display: grid; grid-template-columns: 110px 90px 1fr; gap: 20px; align-items: center; padding: 20px 4px; border-bottom: 1px solid var(--line-2); text-decoration: none; transition: background 0.2s; }
.news-item:hover { background: rgba(0,217,255,0.04); }
.news-item .date { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ink-3); }
.news-item .cat { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--cyan); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; text-align: center; }
.news-item .title { font-size: 15px; color: var(--ink); font-weight: 500; }
.news-item .title span.desc { display: block; font-size: 13px; color: var(--ink-3); font-weight: 400; margin-top: 4px; }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; margin-bottom: 32px; font-size: 14px; }
.data-table th, .data-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line-2); }
.data-table th { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--cyan); font-weight: 600; }
.data-table td { color: var(--ink-2); }
.data-table td.strong { color: var(--ink); font-weight: 600; }

/* ── Generic content card grid ── */
.content-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.content-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.info-card { background: var(--card); border: 1px solid var(--line-2); border-radius: 16px; padding: 26px 28px; }
.info-card h4 { font-size: 16px; margin-bottom: 10px; color: var(--ink); }
.info-card p { font-size: 14px; margin: 0; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-info { background: var(--card); border: 1px solid var(--line-2); border-radius: 18px; padding: 32px 34px; }
.contact-info h4 { font-size: 18px; margin-bottom: 20px; }
.contact-line { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line-2); align-items: flex-start; }
.contact-line:last-child { border-bottom: none; }
.contact-line .k { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--cyan); letter-spacing: 0.12em; min-width: 80px; padding-top: 3px; }
.contact-line .v { color: var(--ink); font-size: 14px; }
.contact-line .v a { color: var(--ink); text-decoration: none; }
.contact-line .v a:hover { color: var(--cyan); }
.map-box { background: var(--card); border: 1px solid var(--line-2); border-radius: 18px; min-height: 340px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.map-box::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(0, 217, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 217, 255, 0.08) 1px, transparent 1px); background-size: 32px 32px; opacity: 0.5; }
.map-box iframe { position: relative; z-index: 1; width: 100%; height: 100%; min-height: 340px; border: 0; filter: grayscale(0.3) invert(0.92) contrast(0.9); }
.map-pin { position: relative; z-index: 1; text-align: center; }
.map-pin .pin { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; background: rgba(0, 217, 255, 0.15); border: 2px solid var(--cyan); display: flex; align-items: center; justify-content: center; color: var(--cyan); animation: pulse-pin 2s ease-in-out infinite; }
@keyframes pulse-pin { 0%,100% { box-shadow: 0 0 0 0 rgba(0, 217, 255, 0.5);} 50% { box-shadow: 0 0 0 16px rgba(0, 217, 255, 0);} }
.map-pin h4 { font-size: 15px; margin-bottom: 4px; }
.map-pin p { font-size: 12.5px; margin: 0; color: var(--ink-3); font-family: 'JetBrains Mono', monospace; }
.contact-cta { margin-top: 32px; text-align: center; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); letter-spacing: 0.1em; margin-bottom: 6px; display: block; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; background: rgba(10,25,45,0.6); border: 1px solid var(--line-2); border-radius: 8px;
  padding: 12px 14px; color: var(--ink); font-family: inherit; font-size: 14px;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--cyan); }
.contact-form textarea { min-height: 120px; resize: vertical; }

/* ── Footer ── */
footer { padding: 64px 40px 40px; background: var(--bg-2); border-top: 1px solid var(--line-2); }
.foot-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line-2); }
.foot-brand .logo { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 18px; margin-bottom: 12px; color: var(--ink); }
.foot-brand .logo .x { background: linear-gradient(135deg, var(--cyan), var(--magenta), var(--amber)); -webkit-background-clip: text; background-clip: text; color: transparent; font-style: italic; }
.foot-brand p { font-size: 12.5px; color: var(--ink-3); margin: 0; line-height: 1.6; }
.foot-col h5 { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--cyan); letter-spacing: 0.15em; margin: 0 0 14px; font-weight: 600; }
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col ul li { margin-bottom: 8px; }
.foot-col ul a { color: var(--ink-2); text-decoration: none; font-size: 13px; transition: color 0.2s; }
.foot-col ul a:hover { color: var(--cyan); }
.socials { display: flex; gap: 10px; }
.socials a { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--line-2); display: flex; align-items: center; justify-content: center; color: var(--ink-2); transition: all 0.25s; }
.socials a:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0, 217, 255, 0.05); }
.foot-bottom { max-width: 1200px; margin: 0 auto; padding-top: 32px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--ink-3); flex-wrap: wrap; gap: 12px; }
.foot-bottom .tag { font-family: 'JetBrains Mono', monospace; background: transparent; color: var(--ink-3); border: none; padding: 0; font-size: 11.5px; letter-spacing: 0.05em; }

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ── Sub nav pills (research/space listing) ── */
.subnav-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 48px; }
.subnav-pills a {
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--ink-2); text-decoration: none;
  padding: 9px 18px; border: 1px solid var(--line-2); border-radius: 999px; transition: all 0.2s;
}
.subnav-pills a:hover, .subnav-pills a.active { color: var(--cyan); border-color: var(--cyan); background: rgba(0,217,255,0.06); }

/* ── Prev/Next pager ── */
.pager { display: flex; justify-content: space-between; gap: 20px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line-2); }
.pager a { flex: 1; text-decoration: none; padding: 18px 22px; border: 1px solid var(--line-2); border-radius: 14px; transition: border-color 0.25s, background 0.25s; }
.pager a:hover { border-color: var(--cyan); background: rgba(0,217,255,0.04); }
.pager a.next { text-align: right; }
.pager .lbl { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-3); letter-spacing: 0.1em; margin-bottom: 6px; }
.pager .ttl { font-size: 14.5px; color: var(--ink); font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .wrap, .wrap-narrow { padding: 0 28px; }
  h1.hero-title { font-size: 68px; }
  .hero-meta { position: static; margin-top: 32px; max-width: 400px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .x-decor { font-size: 220px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .loop { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .loop::before { display: none; }
  .nav-main { display: none; }
  .nav-burger { display: flex; }
  .content-grid-3 { grid-template-columns: 1fr 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 80px 0; }
  section.tight { padding: 56px 0; }
  h1.hero-title { font-size: 42px; }
  h2 { font-size: 28px; }
  .page-header h1 { font-size: 32px; }
  .hero-slogan { font-size: 17px; }
  .hero { min-height: auto; padding: 100px 0 80px; }
  .research-grid, .contact-grid, .content-grid-2, .content-grid-3 { grid-template-columns: 1fr; }
  .facility-card { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .facility-card .illust { max-width: 320px; }
  .team-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  nav.top { padding: 14px 20px; }
  nav.top .lang { display: none; }
  .wrap, .wrap-narrow { padding: 0 20px; }
  .spec-grid { grid-template-columns: 1fr; }
  .org-row { flex-direction: column; align-items: center; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .pager { flex-direction: column; }
}