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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 15px;
    color: #3a4050;
    background: #f4f5f8;
    line-height: 1.65;
}

.notice-bar {
    background: #2c3545;
    color: rgba(255,255,255,0.55);
    text-align: center;
    padding: 7px 20px;
    font-size: 12px;
}

header { background: #1a2e4a; }

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
}

.logo { text-decoration: none; line-height: 1.1; }
.logo-main { display: block; font-size: 19px; font-weight: 700; color: #fff; letter-spacing: 2.5px; }
.logo-sub  { display: block; font-size: 9px; color: rgba(255,255,255,0.4); letter-spacing: 3px; text-transform: uppercase; margin-top: 2px; }

nav a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 13px;
    padding: 0 14px;
    height: 62px;
    display: inline-flex;
    align-items: center;
    letter-spacing: 0.3px;
    transition: color 0.15s, background 0.15s;
}
nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
nav a.active { color: #fff; border-bottom: 2px solid rgba(255,255,255,0.35); }

.hero {
    background: linear-gradient(140deg, #1a2e4a 0%, #1d3d6e 55%, #162540 100%);
    color: #fff;
    padding: 76px 24px;
    text-align: center;
    border-bottom: 2px solid #22407a;
}
.hero-inner { max-width: 700px; margin: 0 auto; }
.hero h1 {
    font-size: 30px;
    font-weight: 300;
    line-height: 1.35;
    color: rgba(255,255,255,0.9);
    margin-bottom: 16px;
}
.hero p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.75;
}
.hero-badges { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.badge {
    font-size: 10px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 12px;
    border: 1px solid rgba(255,255,255,0.12);
}

.page-hero {
    background: #1a2e4a;
    color: #fff;
    padding: 40px 24px;
    border-bottom: 1px solid #22407a;
}
.page-hero-inner { max-width: 1100px; margin: 0 auto; }
.page-hero h1 { font-size: 24px; font-weight: 300; color: rgba(255,255,255,0.9); margin-bottom: 4px; }
.page-hero p  { font-size: 13px; color: rgba(255,255,255,0.4); }

.section { max-width: 1100px; margin: 0 auto; padding: 52px 24px; }
.bg-white { background: #fff; }
.bg-light  { background: #f4f5f8; }

.section-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #a0a8b8;
    margin-bottom: 8px;
}
.section-heading {
    font-size: 22px;
    font-weight: 300;
    color: #1a2e4a;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e2e6ee;
}

/* grids */
.two-col   { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.two-col-even { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* cards */
.card {
    background: #fff;
    border: 1px solid #e2e6ee;
    padding: 22px;
}
.card-num { font-size: 10px; color: #c0c8d4; letter-spacing: 2px; margin-bottom: 12px; }
.card h3  { font-size: 14px; font-weight: 600; color: #1a2e4a; margin-bottom: 10px; line-height: 1.35; }
.card p   { font-size: 13px; color: #778; line-height: 1.65; }
.card-tag {
    display: inline-block;
    margin-top: 14px;
    font-size: 10px;
    color: #909aaa;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid #dde3ed;
}

/* stat box */
.stat-box { background: #f9fafb; border: 1px solid #e2e6ee; }
.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 11px 16px;
    border-bottom: 1px solid #edf0f5;
    font-size: 13px;
}
.stat-row:last-child { border-bottom: none; }
.stat-label { color: #909aaa; }
.stat-value { color: #1a2e4a; font-weight: 600; }
.stat-value.inactive { color: #b0392b; }

/* text blocks */
.text-block p { color: #555e6d; margin-bottom: 15px; font-size: 14px; line-height: 1.75; }
.text-block p:last-child { margin-bottom: 0; }

/* news */
.news-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    padding: 20px 0;
    border-bottom: 1px solid #eaedf3;
}
.news-item:first-child { padding-top: 0; }
.news-date  { font-size: 11px; color: #aab0be; padding-top: 3px; }
.news-title { font-size: 14px; font-weight: 600; color: #1a2e4a; margin-bottom: 5px; }
.news-body  { font-size: 13px; color: #778; line-height: 1.6; }
.news-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: 10px;
    color: #909aaa;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 2px 7px;
    border: 1px solid #dde3ed;
}

/* publications */
.pub-item {
    padding: 20px 0;
    border-bottom: 1px solid #eaedf3;
}
.pub-item:first-child { padding-top: 0; }
.pub-title { font-size: 14px; font-weight: 600; color: #1a2e4a; margin-bottom: 6px; line-height: 1.4; }
.pub-authors { font-size: 12px; color: #909aaa; margin-bottom: 4px; }
.pub-journal { font-size: 12px; color: #778; font-style: italic; margin-bottom: 8px; }
.pub-abstract { font-size: 13px; color: #666; line-height: 1.65; margin-bottom: 8px; }
.pub-doi { font-size: 11px; color: #aab; font-family: 'Courier New', monospace; }
.pub-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

/* team */
.team-card { background: #fff; border: 1px solid #e2e6ee; padding: 24px; text-align: center; }
.team-card.vacant { opacity: 0.4; }
.team-photo {
    width: 68px; height: 68px; border-radius: 50%;
    background: #edf0f5; border: 1px solid #dde3ed;
    margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 10px; color: #c0c8d4; letter-spacing: 1px;
}
.team-name { font-size: 14px; font-weight: 600; color: #1a2e4a; margin-bottom: 4px; }
.team-role { font-size: 12px; color: #909aaa; margin-bottom: 10px; }
.team-bio  { font-size: 12px; color: #aaa; line-height: 1.55; }

/* contact */
.contact-label { font-size: 10px; color: #a0a8b8; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 5px; }
.contact-block { margin-bottom: 22px; font-size: 14px; color: #555; line-height: 1.65; }
.contact-note {
    background: #f9fafb;
    border: 1px solid #e2e6ee;
    padding: 22px;
    font-size: 13px;
    color: #909aaa;
    line-height: 1.7;
}
.contact-note strong { color: #666; }

/* misc */
hr { border: none; border-top: 1px solid #e2e6ee; }

.info-box {
    background: #f0f3f9;
    border: 1px solid #d4daea;
    border-left: 3px solid #2a5298;
    padding: 14px 18px;
    font-size: 13px;
    color: #556;
    line-height: 1.65;
    margin: 18px 0;
}

footer { background: #1a2e4a; }
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: rgba(255,255,255,0.3); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: rgba(255,255,255,0.6); }

@media (max-width: 768px) {
    .two-col, .three-col, .two-col-even { grid-template-columns: 1fr; }
    nav { display: none; }
}