/*
  FILE: css/sejarah.css
  CSS khusus untuk halaman sejarah dan halaman-halaman dalam (inner pages).
  style.css tetap dipakai untuk navbar, footer, dan komponen umum.
  File ini hanya menambah style yang spesifik untuk layout halaman dalam.
*/


/* ── PAGE HEADER: Banner judul di atas halaman ── */
.page-header {
  background: var(--navy);
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
  /* Pola diagonal tipis di background */
  background-image: repeating-linear-gradient(
    45deg,
    rgba(201,168,76,0.03) 0,
    rgba(201,168,76,0.03) 1px,
    transparent 0,
    transparent 50%
  );
  background-size: 30px 30px;
}

.page-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.3), transparent);
}

.page-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Breadcrumb: Beranda › Tentang › Sejarah */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.25rem;
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--gold-light);
}

.breadcrumb-active {
  color: var(--gold-light);
  font-weight: 600;
}

/* Judul halaman */
.page-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.page-title span {
  color: var(--gold);
}

.page-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  font-weight: 300;
  font-style: italic;
}


/* ── LAYOUT UTAMA: Sidebar + Konten ── */
.page-main {
  background: var(--cream);
  padding: 3rem 2rem;
}

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  /*
    Sidebar: lebar tetap 260px
    Konten: sisa ruang (1fr = 1 bagian dari sisa)
  */
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}


/* ── SIDEBAR ── */
.page-sidebar {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  /* Menempel di atas saat di-scroll */
  position: sticky;
  top: 90px;
}

.sidebar-title {
  background: var(--navy);
  color: var(--gold-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.85rem 1.25rem;
}

.sidebar-menu {
  list-style: none;
  padding: 0.5rem 0;
}

.sidebar-menu li a {
  display: block;
  padding: 0.7rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-mid);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.sidebar-menu li a:hover {
  background: var(--gold-pale);
  color: var(--navy);
  border-left-color: var(--gold);
}

/* Link aktif di sidebar */
.sidebar-menu li a.active {
  background: var(--gold-pale);
  color: var(--navy);
  border-left-color: var(--gold);
  font-weight: 600;
}


/* ── KONTEN ARTIKEL ── */
.page-content {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
}

/* Gambar utama artikel */
.content-img-box {
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  position: relative;
  background: var(--navy);
}

.content-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.content-img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.5);
  color: rgba(255,255,255,0.8);
  font-size: 0.78rem;
  padding: 0.5rem 1rem;
  font-style: italic;
}

/* Body teks artikel */
.content-body {
  padding: 2.5rem;
}

.content-heading {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold-pale);
}

/* Heading pertama tidak perlu margin atas */
.content-heading:first-child {
  margin-top: 0;
}

.content-body p {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.content-body em {
  color: var(--navy);
  font-style: italic;
  font-weight: 600;
}


/* ── TIMELINE ── */
.timeline {
  position: relative;
  margin: 1.5rem 0 2rem;
  padding-left: 2rem;
}

/* Garis vertikal di kiri */
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;        /* posisi garis */
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--border));
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* Titik bulat di garis timeline */
.timeline-dot {
  position: absolute;
  left: -26px;      /* keluar ke kiri, tepat di atas garis */
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gold);
  z-index: 1;
}

/* Titik aktif (saat ini) */
.timeline-dot-active {
  background: var(--gold);
}

.timeline-content {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s;
}

.timeline-content:hover {
  border-color: var(--gold);
}

/* Label tahun/periode */
.timeline-year {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin: 0;
}


/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  /* Sidebar pindah ke atas konten */
  .page-container {
    grid-template-columns: 1fr;
  }

  .page-sidebar {
    position: static; /* Tidak sticky di mobile */
  }
}

@media (max-width: 640px) {
  .page-main {
    padding: 2rem 1rem;
  }

  .content-body {
    padding: 1.5rem;
  }

  .page-header {
    padding: 2.5rem 1rem;
  }
}