:root {
  --navy: #0b1b34;
  --navy-2: #112547;
  --gold: #f3b21a;
  --gold-2: #ffcc4d;
  --sky: #e8f0ff;
  --ink: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --line: #e2e8f0;
  --shadow: 0 12px 30px rgba(12, 25, 50, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans 3', sans-serif;
  color: var(--ink);
  background: #f8fafc;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  color: #0b1b34;
}

h1, h2, h3, h4, h5, h6, p {
  word-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  background: var(--navy);
  color: #dbeafe;
  font-size: 0.9rem;
  padding: 8px 0;
}

.topbar .row {
  align-items: center;
}

.topbar .admin-link {
  color: #fff;
  font-weight: 600;
}

.main-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
}

.navbar-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.brand-text strong {
  display: block;
  font-size: 1.1rem;
  color: #0b1b34;
}

.brand-text span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.nav-link {
  font-weight: 600;
  color: #0f172a;
  border-radius: 999px;
  padding: 8px 16px !important;
}

.nav-link.active,
.nav-link:hover {
  background: #e8f0ff;
  color: #0b1b34;
}

.btn-gold {
  background: var(--gold);
  color: #0b1b34;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 12px;
  border: none;
  box-shadow: 0 8px 18px rgba(243, 178, 26, 0.35);
}

.btn-outline-light {
  border: 1px solid #e2e8f0;
}

.hero {
  position: relative;
  background: linear-gradient(120deg, rgba(11, 27, 52, 0.95), rgba(11, 27, 52, 0.7)), url('../images/campus.jpg') center/cover;
  color: #fff;
  padding: 120px 0 90px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(243, 178, 26, 0.18);
  color: var(--gold-2);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 18px 0 12px;
}

.hero-logo {
  width: clamp(220px, 55vw, 720px);
  max-width: 100%;
  height: auto;
  margin: 6px auto 10px;
  display: block;
}

.hero-logo-strip {
  background: #ffffff;
  padding: 24px 0 18px;
}

.hero h1 span {
  color: var(--gold);
}

.hero p {
  color: #cbd5f5;
  max-width: 620px;
}

.hero .info-pills {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0 32px;
}

.info-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.7);
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: #e2e8f0;
  font-weight: 600;
}

.section {
  padding: 70px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.section-title span {
  display: inline-block;
  width: 70px;
  height: 4px;
  background: var(--gold);
  border-radius: 999px;
  margin-top: 10px;
}

.card-soft {
  background: var(--card);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid #eef2f7;
}

.dark-panel {
  background: var(--navy);
  color: #e2e8f0;
  border-radius: 26px;
  padding: 32px;
}

.dark-panel h3,
.dark-panel h4 {
  color: #fff;
}

.track-card {
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #fff;
  height: 100%;
}

.track-card .track-head {
  background: var(--navy);
  color: #fff;
  padding: 16px 20px;
  font-weight: 700;
}

.track-card ul {
  list-style: none;
  padding: 20px;
  margin: 0;
}

.track-card li {
  padding: 6px 0;
  color: var(--muted);
}

.highlight-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.highlight-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  text-align: center;
}

.highlight-card strong {
  display: block;
  color: var(--navy);
  font-size: 1.1rem;
}

.date-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
}

.date-card .date-box {
  background: var(--navy);
  color: #fff;
  padding: 16px 18px;
  border-radius: 14px;
  min-width: 140px;
  text-align: center;
  font-weight: 700;
}

.date-card .date-box span {
  display: block;
  font-size: 0.85rem;
  color: #cbd5f5;
}

.table-schedule {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.table-schedule th {
  background: var(--navy);
  color: #fff;
  padding: 14px;
}

.table-schedule td {
  padding: 14px;
  border-color: #e2e8f0;
}

.committee-card {
  text-align: center;
  background: #fff;
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  height: 100%;
}

.committee-card img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #e8f0ff;
  margin-bottom: 16px;
}

.footer {
  background: var(--navy);
  color: #dbeafe;
  padding: 60px 0 30px;
}

.footer a {
  color: #dbeafe;
}

.footer h5 {
  color: #fff;
}

.footer .socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  margin-right: 8px;
}

.form-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.input-group-text {
  background: #f8fafc;
}

.notice {
  border-left: 4px solid var(--gold);
  background: #fff8e6;
  padding: 18px;
  border-radius: 12px;
}

.fee-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.fee-card {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--line);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.fee-card .badge {
  background: #e8f0ff;
  color: var(--navy);
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 12px;
  display: inline-flex;
  width: fit-content;
}

.fee-card .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
}

.fee-card .btn {
  margin-top: auto;
}

.gallery-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
}

@media (max-width: 991px) {
  .topbar {
    text-align: center;
  }
  .topbar .row {
    gap: 8px;
  }
  .hero {
    padding: 90px 0 70px;
  }
  .navbar-brand {
    max-width: 70%;
  }
  .brand-text strong {
    font-size: 1rem;
  }
  .brand-text span {
    font-size: 0.8rem;
  }
  .navbar-collapse {
    background: #fff;
    padding: 16px;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  .dark-panel {
    padding: 24px;
  }
}

@media (max-width: 575px) {
  .hero-logo-strip {
    padding: 18px 0 12px;
  }
  .hero-logo {
    width: clamp(200px, 75vw, 480px);
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero .info-pills {
    flex-direction: column;
  }
  .info-pill {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .section {
    padding: 55px 0;
  }
  .card-soft,
  .fee-card,
  .track-card,
  .committee-card {
    padding: 18px;
  }
  .date-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .date-card .date-box {
    width: 100%;
  }
  .table-schedule th,
  .table-schedule td {
    white-space: nowrap;
  }
  .gallery-grid img {
    height: 180px;
  }
}

@media (max-width: 390px) {
  .brand-logo {
    width: 44px;
    height: 44px;
  }
  .brand-text strong {
    font-size: 0.95rem;
  }
  .nav-link {
    padding: 6px 12px !important;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .info-pill {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
}