:root {
  --navy: #12306b;
  --navy-dark: #0b1f47;
  --kuning: #f5b800;
  --putih-biru: #f3f6fc;
  --teks: #1f2937;
}

/* ===== Dasar ===== */
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: 'Nunito Sans', sans-serif; color: var(--teks); line-height: 1.7; }
h1, h2, h3, .h5 { font-family: 'Merriweather', serif; color: var(--navy); }
.py-6 { padding-top: 5rem; padding-bottom: 5rem; }
.bg-soft { background: var(--putih-biru); }
.bg-navy { background: var(--navy); }

/* ===== Navbar ===== */
.navbar { padding: .6rem 0; border-bottom: 3px solid var(--kuning); }
.brand-text { font-size: .85rem; font-weight: 700; line-height: 1.2; }
.nav-link { font-weight: 600; }
.nav-link:hover, .nav-link:focus { color: var(--kuning) !important; }

/* ===== Hero ===== */
.hero { position: relative; margin-top: 70px; }
.hero .carousel-item img { height: 560px; object-fit: cover; }
.hero .carousel-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,31,71,.88) 15%, rgba(11,31,71,.2));
}
.hero-caption {
  position: absolute; inset: 0; z-index: 5;
  display: flex; align-items: center; pointer-events: none;
}
.hero-caption .container { pointer-events: auto; color: #fff; }
.hero-caption h1 { color: #fff; font-weight: 900; font-size: clamp(1.8rem, 5vw, 3.2rem); }
.hero-caption .lead { max-width: 480px; margin: 1rem 0 1.5rem; }
.carousel-indicators, .carousel-control-prev, .carousel-control-next { z-index: 6; }

/* ===== Tombol ===== */
.btn-kuning { background: var(--kuning); color: var(--navy-dark); font-weight: 700; border: 0; }
.btn-kuning:hover { background: #ffd23f; color: var(--navy-dark); }

/* ===== Judul seksi ===== */
.judul-seksi { font-size: 1.9rem; margin-bottom: 2.5rem; padding-bottom: .6rem; border-bottom: 4px solid var(--kuning); display: inline-block; }

/* ===== Profil ===== */
.kotak-visi { background: var(--navy); color: #fff; padding: 2rem; border-radius: .75rem; border-left: 8px solid var(--kuning); }
.kotak-visi h3 { color: var(--kuning); font-size: 1.15rem; }
.kotak-visi ul { padding-left: 1.2rem; margin-bottom: 0; }

/* ===== Akademik ===== */
.kartu-akademik { border: 0; border-top: 5px solid var(--kuning); box-shadow: 0 2px 10px rgba(18,48,107,.1); }
.kartu-akademik .ikon { font-size: 2.5rem; color: var(--navy); }

/* ===== Berita ===== */
.card-img-top { height: 200px; object-fit: cover; }
.tanggal { font-size: .85rem; color: #6b7280; margin-bottom: .4rem; }
.link-berita { font-weight: 700; color: var(--navy); text-decoration: none; border-bottom: 2px solid var(--kuning); }
.link-berita:hover { color: var(--navy-dark); background: var(--kuning); }

/* ===== Galeri ===== */
.galeri-foto { width: 100%; height: 220px; object-fit: cover; border-radius: .5rem; }
.galeri-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: .5rem;
}
.galeri-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: .75rem 1rem;
  font-size: .9rem;
  color: #fff;
  background: linear-gradient(transparent, rgba(0, 0, 0, .75));
  opacity: 0;
  transform: translateY(100%);
  transition: opacity .25s ease, transform .25s ease;
}
.galeri-item:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}
@media (hover: none) {
  .galeri-item figcaption {
    opacity: 1;
    transform: none;
  }
}

/* ===== Footer ===== */
.footer-navy { background: var(--navy-dark); color: #dbe4f5; }
.footer-navy h3 { color: var(--kuning); }
.footer-navy i { color: var(--kuning); margin-right: .5rem; }
.sosmed { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 50%; background: var(--navy); margin-right: .5rem; font-size: 1.2rem; }
.sosmed i { margin: 0; }
.sosmed:hover { background: var(--kuning); }
.sosmed:hover i { color: var(--navy-dark); }
.copyright { background: #07142f; font-size: .9rem; }

/* ===== Responsif ===== */
@media (max-width: 767.98px) {
  .hero .carousel-item img { height: 440px; }
  .py-6 { padding-top: 3rem; padding-bottom: 3rem; }
  .galeri-foto { height: 140px; }
}