@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #059669;
    --primary-light: #34d399;
    --primary-dark: #047857;
    --secondary: #0d9488;
    --accent: #10b981;
    --bg: #0f172a;
    --bg2: #1e293b;
    --bg3: #334155;
    --txt: #f1f5f9;
    --txt2: #94a3b8;
    --txt3: #64748b;
    --white: #ffffff;
    --grad: linear-gradient(135deg, #059669, #0d9488);
    --grad2: linear-gradient(135deg, #064e3b, #0f172a);
    --radius: 16px;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; color: #1e293b; background: #f8fafc; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }

/* ═══ NAVBAR ═══ */
.navbar {
    background: rgba(15,23,42,.95); backdrop-filter: blur(12px);
    padding: 0 48px; position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand .logo-icon { width: 42px; height: 42px; background: var(--grad); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }
.nav-brand h1 { font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 800; color: var(--txt); }
.nav-brand small { display: block; font-size: .65rem; color: var(--txt2); font-weight: 500; letter-spacing: 1px; }
.nav-menu { display: flex; gap: 4px; list-style: none; }
.nav-menu a { padding: 8px 14px; border-radius: 8px; font-size: .82rem; font-weight: 600; color: var(--txt2); transition: all .2s; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary-light); background: rgba(5,150,105,.08); }

/* ═══ HERO ═══ */
.hero {
    min-height: 600px; display: flex; align-items: center; padding: 120px 48px 80px;
    background: var(--grad2); position: relative; overflow: hidden;
}
.hero::before { content: ''; position: absolute; top: -200px; right: -100px; width: 500px; height: 500px; background: rgba(5,150,105,.1); border-radius: 50%; }
.hero::after { content: ''; position: absolute; bottom: -150px; left: -50px; width: 400px; height: 400px; background: rgba(13,148,136,.08); border-radius: 50%; }
.hero-content { max-width: 1200px; margin: 0 auto; width: 100%; position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-text h1 { font-family: 'Poppins', sans-serif; font-size: 2.8rem; font-weight: 900; color: var(--white); line-height: 1.2; margin-bottom: 20px; }
.hero-text h1 em { color: var(--primary-light); font-style: normal; }
.hero-text p { color: rgba(255,255,255,.6); font-size: 1rem; line-height: 1.8; margin-bottom: 32px; }
.hero-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; background: var(--grad); color: #fff; border-radius: 12px; font-weight: 700; font-size: .9rem; transition: all .3s; }
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(5,150,105,.3); }

/* ═══ STATS BAR ═══ */
.stats-bar { background: var(--white); border-radius: 20px; padding: 32px; display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.1); margin-top: -60px; position: relative; z-index: 2; max-width: 1200px; margin-left: auto; margin-right: auto; }
.stat-item { text-align: center; }
.stat-item .number { font-family: 'Poppins', sans-serif; font-size: 2.2rem; font-weight: 900; color: var(--primary); }
.stat-item .label { font-size: .8rem; color: var(--txt3); font-weight: 600; margin-top: 4px; }

/* ═══ SECTIONS ═══ */
.section { padding: 80px 48px; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-family: 'Poppins', sans-serif; font-size: 2rem; font-weight: 800; color: #0f172a; margin-bottom: 12px; }
.section-header p { color: var(--txt3); font-size: .95rem; max-width: 600px; margin: 0 auto; }
.section-header .badge-label { display: inline-block; padding: 6px 16px; background: rgba(5,150,105,.08); color: var(--primary); border-radius: 20px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.container { max-width: 1200px; margin: 0 auto; }

/* ═══ CARDS ═══ */
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(0,0,0,.06); transition: all .3s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.1); }
.card-img { height: 200px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.05); }
.card-content { padding: 24px; }
.card-content h3 { font-family: 'Poppins', sans-serif; font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: #0f172a; }
.card-content p { font-size: .85rem; color: var(--txt3); line-height: 1.6; }
.card-meta { display: flex; align-items: center; gap: 16px; padding: 16px 24px; border-top: 1px solid rgba(0,0,0,.06); font-size: .78rem; color: var(--txt3); }
.card-badge { display: inline-block; padding: 4px 12px; background: rgba(5,150,105,.08); color: var(--primary); border-radius: 6px; font-size: .72rem; font-weight: 700; }

/* ═══ CHAIRMAN ═══ */
.chairman-section { background: var(--bg); padding: 80px 48px; color: var(--white); }
.chairman-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center; }
.chairman-photo { width: 280px; height: 350px; border-radius: 20px; object-fit: cover; border: 4px solid rgba(5,150,105,.3); }
.chairman-text h3 { font-family: 'Poppins', sans-serif; font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.chairman-text .position { color: var(--primary-light); font-size: .85rem; font-weight: 600; margin-bottom: 20px; }
.chairman-text p { color: rgba(255,255,255,.6); font-size: .9rem; line-height: 1.8; }

/* ═══ PAGE HEADER ═══ */
.page-header { background: var(--grad2); padding: 120px 48px 60px; text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: -100px; right: -50px; width: 300px; height: 300px; background: rgba(5,150,105,.08); border-radius: 50%; }
.page-header h1 { font-family: 'Poppins', sans-serif; font-size: 2.2rem; font-weight: 900; color: var(--white); margin-bottom: 12px; position: relative; z-index: 1; }
.page-header p { color: rgba(255,255,255,.5); font-size: .95rem; position: relative; z-index: 1; }

/* ═══ DETAIL PAGE ═══ */
.detail-section { padding: 60px 48px; }
.detail-container { max-width: 900px; margin: 0 auto; }
.detail-container h1 { font-family: 'Poppins', sans-serif; font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; font-size: .82rem; color: var(--txt3); }
.detail-meta span { display: flex; align-items: center; gap: 6px; }
.detail-content { font-size: .95rem; line-height: 1.9; color: #334155; }
.detail-content p { margin-bottom: 16px; }

/* ═══ RESEARCH/SERVICE LIST ═══ */
.research-card { background: var(--white); border-radius: var(--radius); padding: 28px; border: 1px solid rgba(0,0,0,.06); transition: all .3s; margin-bottom: 20px; }
.research-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.research-card h3 { font-family: 'Poppins', sans-serif; font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.research-card h3 a { color: #0f172a; transition: color .2s; }
.research-card h3 a:hover { color: var(--primary); }
.research-card .meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: .8rem; color: var(--txt3); margin-bottom: 12px; }
.research-card .meta i { color: var(--primary); }
.research-card .abstract { font-size: .85rem; color: var(--txt3); line-height: 1.7; }
.status-badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px; border-radius: 6px; font-size: .72rem; font-weight: 700; }
.status-ongoing { background: rgba(245,158,11,.1); color: #f59e0b; }
.status-completed { background: rgba(16,185,129,.1); color: #10b981; }
.status-published { background: rgba(59,130,246,.1); color: #3b82f6; }

/* ═══ PUBLICATION TABLE ═══ */
.pub-table { width: 100%; border-collapse: collapse; }
.pub-table th { text-align: left; padding: 14px 20px; background: var(--bg); color: var(--txt); font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; }
.pub-table td { padding: 16px 20px; border-bottom: 1px solid rgba(0,0,0,.06); font-size: .85rem; }
.pub-table tr:hover td { background: rgba(5,150,105,.02); }
.doi-link { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: rgba(5,150,105,.08); color: var(--primary); border-radius: 6px; font-size: .75rem; font-weight: 700; }

/* ═══ TEAM GRID ═══ */
.team-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.team-card { background: var(--white); border-radius: var(--radius); overflow: hidden; text-align: center; border: 1px solid rgba(0,0,0,.06); transition: all .3s; cursor: pointer; }
.team-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.1); }
.team-card .photo { width: 100%; height: 250px; object-fit: cover; }
.team-card .info { padding: 20px; }
.team-card .info h4 { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: .95rem; margin-bottom: 4px; }
.team-card .info p { font-size: .78rem; color: var(--txt3); }

/* ═══ CONTACT ═══ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-card { background: var(--white); border-radius: var(--radius); padding: 24px; border: 1px solid rgba(0,0,0,.06); display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.contact-info-card .icon { width: 48px; height: 48px; border-radius: 14px; background: rgba(5,150,105,.08); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.1rem; flex-shrink: 0; }
.contact-info-card h4 { font-size: .85rem; font-weight: 700; margin-bottom: 4px; }
.contact-info-card p { font-size: .82rem; color: var(--txt3); }
.contact-form { background: var(--white); border-radius: var(--radius); padding: 32px; border: 1px solid rgba(0,0,0,.06); }
.contact-form input, .contact-form textarea { width: 100%; padding: 14px 18px; border: 1px solid rgba(0,0,0,.1); border-radius: 12px; font-size: .9rem; font-family: inherit; margin-bottom: 16px; transition: all .2s; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(5,150,105,.1); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button { padding: 14px 28px; background: var(--grad); color: #fff; border: none; border-radius: 12px; font-weight: 700; font-size: .9rem; cursor: pointer; transition: all .3s; }
.contact-form button:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(5,150,105,.3); }

/* ═══ ORG CHART ═══ */
.org-chart { display: flex; flex-direction: column; align-items: center; gap: 0; position: relative; }
.org-level { display: flex; justify-content: center; gap: 24px; position: relative; z-index: 2; }
.org-card { background: #fff; border-radius: 16px; padding: 24px 20px; text-align: center; border: 1px solid rgba(0,0,0,.06); box-shadow: 0 4px 20px rgba(0,0,0,.06); transition: all .3s; position: relative; width: 200px; }
.org-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.12); }
.org-card img { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; margin-bottom: 12px; border: 3px solid rgba(5,150,105,.2); }
.org-info h4 { font-family: 'Poppins', sans-serif; font-size: .82rem; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.org-position { display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: .68rem; font-weight: 700; margin-bottom: 6px; }
.org-info small { display: block; font-size: .7rem; color: var(--txt3); line-height: 1.4; }

/* Card Colors */
.org-card-rektor { border-top: 3px solid #eab308; }
.org-card-rektor .org-position { background: rgba(234,179,8,.1); color: #ca8a04; }
.org-card-rektor img { border-color: rgba(234,179,8,.3); }

.org-card-ketua { border-top: 3px solid #059669; }
.org-card-ketua .org-position { background: rgba(5,150,105,.1); color: #059669; }
.org-card-ketua img { border-color: rgba(5,150,105,.3); }

.org-card-sekretaris { border-top: 3px solid #0d9488; }
.org-card-sekretaris .org-position { background: rgba(13,148,136,.1); color: #0d9488; }
.org-card-sekretaris img { border-color: rgba(13,148,136,.3); }

.org-card-kapus { border-top: 3px solid #3b82f6; }
.org-card-kapus .org-position { background: rgba(59,130,246,.1); color: #3b82f6; }
.org-card-kapus img { border-color: rgba(59,130,246,.3); }

/* Connecting Lines */
.org-connector { width: 2px; height: 32px; background: #cbd5e1; z-index: 1; }

/* Kapus Level - tree branch layout */
.org-hline { display: none; }
.org-level-kapus { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; padding-top: 32px; max-width: 1000px; }
.org-level-kapus::before { content: ''; position: absolute; top: 0; left: 10%; right: 10%; height: 2px; background: #cbd5e1; }
.org-card-kapus { position: relative; width: auto; padding: 20px 14px; margin-top: 0; }
.org-card-kapus::before { content: ''; position: absolute; top: -32px; left: 50%; width: 2px; height: 32px; background: #cbd5e1; transform: translateX(-50%); }
.org-card-kapus img { width: 72px; height: 72px; }
.org-card-kapus .org-info h4 { font-size: .76rem; }
.org-card-kapus .org-info small { font-size: .65rem; }
.org-connector-up { display: none; }

/* ═══ GALLERY ═══ */
.gallery-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.gallery-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(0,0,0,.06); transition: all .3s; }
.gallery-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.1); }
.gallery-item { overflow: hidden; position: relative; cursor: pointer; height: 220px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item .overlay { position: absolute; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .3s; color: #fff; }
.gallery-item:hover .overlay { opacity: 1; }
.gallery-caption { padding: 16px 20px; }
.gallery-caption h4 { font-family: 'Poppins', sans-serif; font-size: .88rem; font-weight: 700; color: #0f172a; margin-bottom: 6px; }
.gallery-cat { display: inline-flex; align-items: center; gap: 4px; font-size: .72rem; color: var(--primary); font-weight: 600; }

/* ═══ FOOTER ═══ */
.footer { background: linear-gradient(180deg, #0a1628 0%, #0f1d36 100%); color: rgba(255,255,255,.6); }
.footer-content { max-width: 1200px; margin: 0 auto; padding: 60px 48px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 40px; }
.footer h4 { color: #fff; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: .95rem; margin-bottom: 20px; }

/* Brand */
.footer-brand-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, #2563eb, #3b82f6); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }
.footer-desc { font-size: .82rem; line-height: 1.8; color: rgba(255,255,255,.45); margin-bottom: 16px; }

/* Social */
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.5); font-size: .95rem; transition: all .2s; }
.footer-social a:hover { background: #2563eb; color: #fff; transform: translateY(-2px); }

/* Links */
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.45); transition: all .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }

/* Contact Items */
.footer-contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: .82rem; color: rgba(255,255,255,.5); line-height: 1.6; }
.footer-contact-item i { color: #3b82f6; font-size: .85rem; margin-top: 3px; flex-shrink: 0; }

/* Stats Bar */
.footer-stats { display: flex; justify-content: center; gap: 16px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); }
.stat-pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 10px; font-size: .8rem; color: rgba(255,255,255,.5); }
.stat-pill i { color: #3b82f6; font-size: .75rem; }
.stat-pill strong { color: #fff; font-weight: 700; }

/* Bottom */
.footer-bottom { padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: .78rem; color: rgba(255,255,255,.35); }
.footer-bottom a { color: rgba(255,255,255,.5); font-weight: 700; transition: color .2s; }
.footer-bottom a:hover { color: #3b82f6; }

/* ═══ RESPONSIVE ═══ */
.nav-toggle { display: none; background: none; border: none; color: var(--txt); font-size: 1.3rem; cursor: pointer; padding: 8px; border-radius: 8px; transition: background .2s; }
.nav-toggle:hover { background: rgba(255,255,255,.08); }

@media (max-width: 768px) {
    .navbar { padding: 0 20px; }
    .nav-toggle { display: flex; }
    .nav-menu { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(15,23,42,.98); backdrop-filter: blur(20px); padding: 20px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,.06); }
    .nav-menu.open { display: flex; }
    .hero { padding: 100px 20px 60px; }
    .hero-content { grid-template-columns: 1fr; gap: 30px; }
    .hero-text h1 { font-size: 1.8rem; }
    .stats-bar { grid-template-columns: repeat(2,1fr); margin: -40px 20px 0; }
    .section { padding: 60px 20px; }
    .card-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2,1fr); }
    .gallery-grid { grid-template-columns: repeat(2,1fr); }
    .chairman-grid { grid-template-columns: 1fr; text-align: center; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .page-header { padding: 100px 20px 40px; }
    .detail-section { padding: 40px 20px; }
}

/* ═══ SMOOTH SCROLL ═══ */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

/* ═══ NAVBAR SCROLL EFFECT ═══ */
.navbar { transition: all .3s; }
.navbar.scrolled { background: rgba(15,23,42,.98); box-shadow: 0 4px 30px rgba(0,0,0,.3); }

/* ═══ BACK TO TOP ═══ */
#backToTop {
    position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px;
    background: var(--grad); color: #fff; border: none; border-radius: 14px;
    font-size: 1.1rem; cursor: pointer; z-index: 999;
    opacity: 0; transform: translateY(20px); pointer-events: none;
    transition: all .3s; box-shadow: 0 8px 30px rgba(5,150,105,.3);
}
#backToTop.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
#backToTop:hover { transform: translateY(-4px); }

/* ═══ SECTION SCROLL ANIMATIONS ═══ */
.section { scroll-margin-top: 72px; }
.chairman-section { scroll-margin-top: 72px; }