/* ═══════════════════════════════════════════
   NUB WEBSITE — style.css
   Northern University Bangladesh
═══════════════════════════════════════════ */

/* ─── CSS VARIABLES ─── */
:root {
  --navy: #0b1d3a;
  --navy-light: #122348;
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --white: #ffffff;
  --off-white: #f5f3ee;
  --gray: #8a8f9e;
  --text: #1a1a2e;
  --card-bg: #ffffff;
  --border: rgba(201, 168, 76, 0.2);
  --shadow: 0 20px 60px rgba(11, 29, 58, 0.12);
  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ─── RESET ─── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--text);
  overflow-x: hidden;
}

/* ════════════════════════════════
   NAVBAR
════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11, 29, 58, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  height: 70px;
  transition: all 0.3s;
}
.navbar.scrolled { height: 60px; box-shadow: 0 4px 30px rgba(0,0,0,0.3); }

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; text-decoration: none;
}
.nav-logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--navy); font-weight: 900;
  font-family: var(--font-display);
}
.nav-logo-text { color: var(--white); }
.nav-logo-text span:first-child { display: block; font-size: 15px; font-weight: 600; letter-spacing: 0.5px; }
.nav-logo-text span:last-child  { display: block; font-size: 10px; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.8); text-decoration: none;
  font-size: 13px; font-weight: 500; letter-spacing: 0.3px;
  padding: 8px 14px; border-radius: 6px;
  transition: all 0.2s; white-space: nowrap; cursor: pointer;
}
.nav-links a:hover { color: var(--gold); background: rgba(201,168,76,0.1); }
.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  color: var(--navy) !important; font-weight: 600 !important;
  border-radius: 8px !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(201,168,76,0.4); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

.mobile-menu {
  display: none; position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
  background: rgba(11,29,58,0.98); z-index: 999;
  padding: 30px 20px; flex-direction: column; gap: 8px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-size: 16px; padding: 14px 20px; border-radius: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06); transition: 0.2s; cursor: pointer;
}
.mobile-menu a:hover { color: var(--gold); background: rgba(201,168,76,0.08); }

/* ════════════════════════════════
   PAGE SYSTEM
════════════════════════════════ */
.page { display: none; min-height: 100vh; padding-top: 70px; animation: fadeIn 0.4s ease; }
.page.active { display: block; }

@keyframes fadeIn    { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp   { from { opacity: 0; transform: translateY(20px);  } to { opacity: 1; transform: translateY(0); } }
@keyframes ticker    { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes bounce    { 0%,80%,100% { transform: translateY(0); } 40% { transform: translateY(-8px); } }

/* ════════════════════════════════
   HERO SECTION
════════════════════════════════ */
.hero {
  position: relative; min-height: calc(100vh - 70px);
  background: var(--navy);
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(18,35,72,0.8) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: linear-gradient(var(--gold) 1px, transparent 1px),
                    linear-gradient(90deg, var(--gold) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; padding: 80px 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold); padding: 8px 18px; border-radius: 50px;
  font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 24px; animation: slideDown 0.8s ease 0.2s both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700; color: var(--white); line-height: 1.15;
  margin-bottom: 20px; animation: slideDown 0.8s ease 0.4s both;
}
.hero-title span { color: var(--gold); }
.hero-subtitle {
  color: rgba(255,255,255,0.65); font-size: 17px; line-height: 1.7;
  margin-bottom: 40px; font-weight: 300; animation: slideDown 0.8s ease 0.6s both;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; animation: slideDown 0.8s ease 0.8s both; }

.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; animation: slideUp 0.8s ease 1s both; }
.stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 16px; padding: 28px 24px;
  text-align: center; backdrop-filter: blur(10px); transition: all 0.3s;
}
.stat-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(201,168,76,0.35); transform: translateY(-4px); }
.stat-number { font-family: var(--font-display); font-size: 42px; font-weight: 700; color: var(--gold); line-height: 1; }
.stat-label  { color: rgba(255,255,255,0.55); font-size: 12px; margin-top: 6px; letter-spacing: 1px; text-transform: uppercase; }

/* ════════════════════════════════
   BUTTONS
════════════════════════════════ */
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy); padding: 15px 34px; border-radius: 10px;
  font-weight: 700; font-size: 14px; text-decoration: none; letter-spacing: 0.5px;
  border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.3s; box-shadow: 0 8px 25px rgba(201,168,76,0.35);
  font-family: var(--font-body);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 35px rgba(201,168,76,0.5); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 15px 34px; border-radius: 10px;
  font-weight: 500; font-size: 14px; text-decoration: none;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.3s; font-family: var(--font-body);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ════════════════════════════════
   NEWS TICKER
════════════════════════════════ */
.news-strip {
  background: var(--navy); padding: 14px 40px;
  display: flex; align-items: center; gap: 20px; overflow: hidden;
}
.news-label {
  background: var(--gold); color: var(--navy);
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 5px 14px; border-radius: 4px; white-space: nowrap;
}
.news-ticker { overflow: hidden; flex: 1; }
.news-ticker-inner {
  display: flex; gap: 60px; white-space: nowrap;
  animation: ticker 25s linear infinite;
  color: rgba(255,255,255,0.75); font-size: 13px;
}

/* ════════════════════════════════
   QUICK NAV (HOME)
════════════════════════════════ */
.quick-nav { background: var(--white); padding: 50px 40px; max-width: 1200px; margin: 0 auto; }
.quick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.quick-card {
  background: var(--off-white); border: 1px solid transparent;
  border-radius: 14px; padding: 28px 20px; text-align: center;
  cursor: pointer; transition: all 0.3s;
}
.quick-card:hover { background: var(--navy); border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow); }
.quick-card:hover .qc-icon,
.quick-card:hover .qc-title { color: var(--gold); }
.quick-card:hover .qc-sub   { color: rgba(255,255,255,0.6); }
.qc-icon  { font-size: 28px; color: var(--navy); margin-bottom: 12px; transition: 0.3s; }
.qc-title { font-weight: 700; font-size: 13px; color: var(--navy); margin-bottom: 4px; transition: 0.3s; }
.qc-sub   { font-size: 11px; color: var(--gray); transition: 0.3s; }

/* ════════════════════════════════
   SECTION HELPERS
════════════════════════════════ */
.section-wrap   { padding: 80px 40px; max-width: 1200px; margin: 0 auto; }
.section-header { margin-bottom: 50px; }
.section-tag    { font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
.section-title  { font-family: var(--font-display); font-size: clamp(26px, 3vw, 40px); font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.2; }
.section-sub    { color: var(--gray); font-size: 15px; margin-bottom: 40px; }
.divider        { width: 60px; height: 3px; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 2px; margin-top: 12px; }

/* ════════════════════════════════
   PAGE HERO (inner pages)
════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a6b 100%);
  padding: 80px 40px 60px; color: var(--white);
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: rgba(201,168,76,0.04); border: 1px solid rgba(201,168,76,0.08);
}
.page-hero-content { max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 48px); margin-bottom: 12px; }
.page-hero h1 span { color: var(--gold); }
.page-hero p  { color: rgba(255,255,255,0.65); font-size: 16px; max-width: 550px; }

/* ─── BACK TO HOME BUTTON ─── */
.back-home {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,168,76,0.1); border: 1px solid var(--border);
  color: var(--gold); padding: 10px 20px; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s;
  margin-bottom: 24px; font-family: var(--font-body);
}
.back-home:hover { background: var(--gold); color: var(--navy); }

/* ════════════════════════════════
   ABOUT PAGE
════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img {
  border-radius: 20px; overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--navy), #1a3a6b);
  min-height: 380px; display: flex; align-items: center; justify-content: center;
}
.about-img-placeholder { text-align: center; color: rgba(255,255,255,0.6); padding: 40px; }
.about-img-placeholder i { font-size: 80px; color: var(--gold); opacity: 0.5; display: block; margin-bottom: 16px; }
.about-text h2 { font-family: var(--font-display); font-size: 34px; color: var(--navy); margin-bottom: 20px; }
.about-text p  { color: #555; line-height: 1.8; margin-bottom: 16px; font-size: 15px; }
.value-list    { list-style: none; margin-top: 24px; }
.value-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 14px; color: #444;
}
.value-list li i { color: var(--gold); font-size: 16px; margin-top: 2px; flex-shrink: 0; }

.leadership-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 40px; }
.leader-card {
  background: var(--white); border-radius: 16px; padding: 30px 20px; text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s; border: 1px solid transparent;
}
.leader-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.leader-avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--navy), #1a3a6b);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--gold);
}
.leader-name  { font-weight: 700; color: var(--navy); font-size: 15px; margin-bottom: 4px; }
.leader-title { font-size: 12px; color: var(--gray); }

/* ════════════════════════════════
   ACCREDITATIONS
════════════════════════════════ */
.acc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.acc-card {
  background: var(--white); border-radius: 16px; padding: 32px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06); text-align: center;
  border-top: 4px solid var(--gold); transition: all 0.3s;
}
.acc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.acc-card i   { font-size: 40px; color: var(--gold); margin-bottom: 16px; }
.acc-card h3  { font-family: var(--font-display); color: var(--navy); font-size: 18px; margin-bottom: 8px; }
.acc-card p   { color: var(--gray); font-size: 13px; line-height: 1.6; }
.ranking-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  background: var(--navy); border-radius: 16px; overflow: hidden; margin-top: 40px;
}
.rank-item { padding: 30px; text-align: center; border-right: 1px solid rgba(255,255,255,0.08); }
.rank-item:last-child { border-right: none; }
.rank-num   { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--gold); }
.rank-label { color: rgba(255,255,255,0.6); font-size: 12px; margin-top: 4px; letter-spacing: 0.5px; }

/* ════════════════════════════════
   CAMPUS TOUR
════════════════════════════════ */
.tour-video-wrap {
  background: var(--navy); border-radius: 20px; overflow: hidden;
  aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
  position: relative; cursor: pointer; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  max-width: 800px; margin: 0 auto 50px;
}
.tour-play {
  width: 80px; height: 80px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--navy); z-index: 2; transition: all 0.3s;
}
.tour-play:hover { transform: scale(1.1); box-shadow: 0 0 40px rgba(201,168,76,0.5); }
.tour-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,29,58,0.9), rgba(26,58,107,0.7));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 20px; text-align: center;
}
.tour-overlay p { color: rgba(255,255,255,0.7); font-size: 14px; }

.tour-spots { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.spot-card {
  background: var(--white); border-radius: 14px; overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06); transition: all 0.3s; cursor: pointer;
}
.spot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.spot-img  { height: 120px; display: flex; align-items: center; justify-content: center; font-size: 40px; }
.spot-info { padding: 16px; }
.spot-info h4 { font-weight: 700; color: var(--navy); font-size: 14px; margin-bottom: 4px; }
.spot-info p  { font-size: 12px; color: var(--gray); }

/* ════════════════════════════════
   FEE CALCULATOR
════════════════════════════════ */
.calc-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  max-width: 900px; margin: 0 auto;
}
.calc-form {
  background: var(--white); border-radius: 20px; padding: 40px; box-shadow: var(--shadow);
}
.calc-result {
  background: var(--navy); border-radius: 20px; padding: 40px;
  color: var(--white); display: flex; flex-direction: column; justify-content: center;
}
.form-group  { margin-bottom: 20px; }
.form-label  { font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 8px; display: block; letter-spacing: 0.3px; }
.form-control {
  width: 100%; padding: 13px 16px; border: 1.5px solid #e8e8e8; border-radius: 10px;
  font-family: var(--font-body); font-size: 14px; color: var(--text);
  transition: all 0.2s; background: var(--off-white);
}
.form-control:focus { outline: none; border-color: var(--gold); background: var(--white); box-shadow: 0 0 0 3px rgba(201,168,76,0.1); }

.result-empty { text-align: center; color: rgba(255,255,255,0.4); }
.result-empty i { font-size: 50px; margin-bottom: 16px; display: block; }
.result-box { animation: fadeIn 0.5s ease; }
.result-dept { color: var(--gold); font-family: var(--font-display); font-size: 22px; margin-bottom: 20px; }
.result-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 14px;
}
.result-row .label { color: rgba(255,255,255,0.6); }
.result-row .value { font-weight: 600; }
.result-row.total .value { color: var(--gold); font-size: 22px; font-family: var(--font-display); }
.waiver-badge {
  background: rgba(201,168,76,0.2); border: 1px solid var(--gold);
  color: var(--gold); padding: 6px 16px; border-radius: 50px;
  font-size: 13px; font-weight: 600; display: inline-block; margin: 8px 0;
}

/* ════════════════════════════════
   CHATBOT
════════════════════════════════ */
.chat-wrap   { max-width: 800px; margin: 0 auto; }
.chat-window {
  background: var(--white); border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.06);
}
.chat-header {
  background: var(--navy); padding: 20px 24px;
  display: flex; align-items: center; gap: 14px;
}
.chat-avatar {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--navy);
}
.chat-header-info h4 { color: var(--white); font-size: 15px; font-weight: 600; }
.chat-header-info p  { color: var(--gold); font-size: 12px; }
.online-dot {
  width: 8px; height: 8px; background: #2ecc71; border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(46,204,113,0.3); display: inline-block; margin-right: 5px;
}
.chat-messages {
  height: 380px; overflow-y: auto; padding: 24px;
  display: flex; flex-direction: column; gap: 16px; background: #f8f9fc;
}
.msg { display: flex; gap: 10px; max-width: 80%; animation: fadeIn 0.3s ease; }
.msg.user { flex-direction: row-reverse; align-self: flex-end; }
.msg-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.msg-avatar.bot  { background: var(--navy); color: var(--gold); }
.msg-avatar.user { background: var(--gold); color: var(--navy); }
.msg-bubble { padding: 12px 16px; border-radius: 16px; font-size: 14px; line-height: 1.6; }
.msg.bot  .msg-bubble { background: var(--white); color: var(--text); border-radius: 4px 16px 16px 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.msg.user .msg-bubble { background: var(--navy); color: var(--white); border-radius: 16px 4px 16px 16px; }

.chat-suggestions {
  padding: 16px 24px; display: flex; gap: 8px; flex-wrap: wrap;
  border-top: 1px solid #eee; background: var(--white);
}
.suggestion-btn {
  background: var(--off-white); border: 1px solid #e0e0e0; color: var(--navy);
  padding: 8px 14px; border-radius: 20px; font-size: 12px; font-weight: 500;
  cursor: pointer; transition: all 0.2s; font-family: var(--font-body);
}
.suggestion-btn:hover { background: var(--navy); color: var(--gold); border-color: var(--navy); }
.chat-input-wrap {
  display: flex; gap: 12px; padding: 20px 24px;
  border-top: 1px solid #eee; background: var(--white);
}
#chatInput {
  flex: 1; padding: 13px 18px; border: 1.5px solid #e0e0e0; border-radius: 12px;
  font-family: var(--font-body); font-size: 14px; outline: none; transition: 0.2s;
}
#chatInput:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,0.1); }
.chat-send-btn {
  background: var(--navy); color: var(--gold); border: none; cursor: pointer;
  width: 46px; height: 46px; border-radius: 12px; font-size: 16px; transition: all 0.2s;
}
.chat-send-btn:hover { background: var(--gold); color: var(--navy); }
.typing { display: flex; align-items: center; gap: 5px; padding: 12px 16px; }
.typing span { width: 8px; height: 8px; background: var(--gray); border-radius: 50%; animation: bounce 1s infinite; }
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.30s; }

/* ════════════════════════════════
   CLUBS
════════════════════════════════ */
.clubs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.club-card {
  background: var(--white); border-radius: 16px; overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s;
  border-bottom: 4px solid transparent;
}
.club-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-bottom-color: var(--gold); }
.club-banner { height: 100px; display: flex; align-items: center; justify-content: center; font-size: 48px; }
.club-body   { padding: 24px; }
.club-body h3 { font-weight: 700; color: var(--navy); margin-bottom: 8px; font-size: 17px; }
.club-body p  { color: var(--gray); font-size: 13px; line-height: 1.6; margin-bottom: 16px; }
.club-tag {
  display: inline-block; background: rgba(201,168,76,0.12); color: var(--gold);
  font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 20px; letter-spacing: 0.5px;
}
.club-members { font-size: 12px; color: var(--gray); margin-top: 10px; }
.club-members i { color: var(--gold); margin-right: 5px; }

/* ════════════════════════════════
   RESEARCH
════════════════════════════════ */
.research-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.research-card {
  background: var(--white); border-radius: 16px; padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s;
  border-left: 4px solid var(--gold);
}
.research-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.research-card i  { font-size: 32px; color: var(--gold); margin-bottom: 16px; }
.research-card h3 { font-family: var(--font-display); color: var(--navy); font-size: 20px; margin-bottom: 10px; }
.research-card p  { color: var(--gray); font-size: 14px; line-height: 1.7; }
.pub-item {
  background: var(--white); border-radius: 12px; padding: 20px 24px;
  margin-bottom: 16px; border-left: 3px solid var(--gold);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04); transition: 0.2s;
}
.pub-item:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.1); }
.pub-title  { font-weight: 600; color: var(--navy); font-size: 15px; margin-bottom: 8px; }
.pub-meta   { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.pub-tag    { font-size: 11px; padding: 3px 10px; border-radius: 20px; font-weight: 600; }
.pub-tag.journal    { background: rgba(201,168,76,0.12); color: var(--gold); }
.pub-tag.conference { background: rgba(26,58,107,0.1); color: var(--navy); }
.pub-author { font-size: 12px; color: var(--gray); }

/* ════════════════════════════════
   ALUMNI
════════════════════════════════ */
.alumni-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.alumni-card {
  background: var(--white); border-radius: 16px; padding: 32px 24px; text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s; border: 1px solid transparent;
}
.alumni-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.alumni-avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--navy), #1a3a6b);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; color: var(--gold);
}
.alumni-name     { font-weight: 700; color: var(--navy); font-size: 17px; margin-bottom: 4px; }
.alumni-batch    { color: var(--gold); font-size: 12px; font-weight: 600; letter-spacing: 1px; margin-bottom: 8px; }
.alumni-position { color: var(--gray); font-size: 13px; }
.alumni-quote    { font-style: italic; font-size: 13px; color: #777; margin-top: 12px; line-height: 1.5; }

/* ════════════════════════════════
   CONTACT
════════════════════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--white); padding: 24px; border-radius: 14px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.contact-icon {
  width: 48px; height: 48px; background: rgba(201,168,76,0.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--gold); flex-shrink: 0;
}
.contact-item h4  { font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-item p,
.contact-item a   { color: var(--gray); font-size: 14px; text-decoration: none; }
.contact-item a:hover { color: var(--gold); }
.contact-form { background: var(--white); border-radius: 20px; padding: 40px; box-shadow: var(--shadow); }
.contact-form h3 { font-family: var(--font-display); color: var(--navy); font-size: 24px; margin-bottom: 24px; }
.map-placeholder {
  background: linear-gradient(135deg, var(--navy), #1a3a6b);
  border-radius: 14px; height: 200px; margin-top: 20px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: rgba(255,255,255,0.6);
}
.map-placeholder i { font-size: 48px; color: var(--gold); margin-bottom: 10px; display: block; }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.footer { background: var(--navy); color: rgba(255,255,255,0.65); padding: 60px 40px 30px; }
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-brand p { font-size: 13px; line-height: 1.8; margin-top: 16px; max-width: 280px; }
.footer-col h4  { color: var(--gold); font-size: 13px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul  { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 13px; transition: 0.2s; cursor: pointer; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.35); }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px; height: 36px; background: rgba(255,255,255,0.06); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); text-decoration: none; font-size: 14px; transition: 0.2s;
}
.social-links a:hover { background: var(--gold); color: var(--navy); }

/* ════════════════════════════════
   UTILITIES
════════════════════════════════ */
.text-gold   { color: var(--gold); }
.text-center { text-align: center; }
.mt-40       { margin-top: 40px; }
.mt-60       { margin-top: 60px; }
.bg-off      { background: var(--off-white); }

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 900px) {
  .hero-content, .about-grid, .calc-wrap, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section-wrap, .quick-nav, .news-strip { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .ranking-strip { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 32px; }
}