/* ============================================================
   APTIKOM SUMUT - style_berita.css
   Khusus untuk halaman berita.html
   Memerlukan style_global.css yang di-load lebih dulu.
   ============================================================ */


/* --- Page Hero -------------------------------------------- */
.page-hero {
  position: relative;
  padding: 130px 0 72px;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-main) 60%, var(--blue-mid) 100%);
  z-index: 0;
}

/* Pola titik dekoratif di latar */
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.page-hero-breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.page-hero-breadcrumb a:hover { color: var(--white); }
.page-hero-breadcrumb span:last-child { color: rgba(255,255,255,0.9); }

.page-hero-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}
.page-hero-title em {
  font-style: normal;
  color: var(--gold);
}

.page-hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.78);
  max-width: 580px;
  line-height: 1.75;
}


/* --- Filter Bar ------------------------------------------- */
.section-filter {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 18px 0;
  position: sticky;
  top: 70px;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 99px;
  border: 1.5px solid var(--gray-200);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-btn:hover {
  border-color: var(--blue-mid);
  color: var(--blue-mid);
  background: var(--blue-pale);
}
.filter-btn.active {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  color: var(--white);
}


/* --- Berita Grid ------------------------------------------ */
.section-berita {
  padding: 56px 0 72px;
  background: var(--gray-50);
}

.berita-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}


/* --- Berita Card ------------------------------------------ */
.berita-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.berita-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue-mid);
  opacity: 0;
  transition: opacity var(--transition);
}

.berita-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-light);
}
.berita-card:hover::before {
  opacity: 1;
}

/* Card unggulan */
.berita-card--featured {
  border-color: var(--gold);
  background: linear-gradient(160deg, #fffbf0 0%, var(--white) 60%);
}
.berita-card--featured::before {
  background: var(--gold);
  opacity: 1;
}

.berita-featured-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #92600a;
  background: var(--gold-light);
  border: 1px solid #f0d080;
  padding: 3px 12px;
  border-radius: 99px;
  align-self: flex-start;
}


/* --- Card Header ------------------------------------------ */
.berita-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.berita-kategori-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 99px;
}

.berita-kategori-tag.seminar {
  color: #1e40af;
  background: #dbeafe;
}
.berita-kategori-tag.kepengurusan {
  color: #065f46;
  background: #d1fae5;
}
.berita-kategori-tag.keanggotaan {
  color: #5b21b6;
  background: #ede9fe;
}
.berita-kategori-tag.kerjasama {
  color: #92400e;
  background: var(--gold-light);
}
.berita-kategori-tag.prestasi {
  color: #b45309;
  background: #fef3c7;
}
.berita-kategori-tag.akademik {
  color: #0e7490;
  background: #cffafe;
}
.berita-kategori-tag.pengumuman {
  color: #be185d;
  background: #fce7f3;
}
.berita-kategori-tag.teknologi {
  color: #1d4ed8;
  background: #eff6ff;
}
.berita-kategori-tag.penelitian {
  color: #6d28d9;
  background: #f5f3ff;
}
.berita-kategori-tag.sosial {
  color: #166534;
  background: #dcfce7;
}
.berita-kategori-tag.lainnya {
  color: #4b5563;
  background: #f3f4f6;
}

.berita-tanggal {
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 500;
}


/* --- Judul & Ringkasan ------------------------------------ */
.berita-judul {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.4;
  margin: 0;
}

.berita-ringkasan {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.75;
  flex: 1;   /* dorong footer ke bawah */
}
.berita-ringkasan em {
  font-style: italic;
  color: var(--blue-mid);
}


/* --- Card Footer ------------------------------------------ */
.berita-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-100);
  margin-top: auto;
}

.berita-sumber {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--gray-600);
}
.berita-sumber .sumber-icon {
  font-size: 1rem;
}
.berita-sumber strong {
  color: var(--gray-800);
  font-weight: 600;
}

.berita-readmore {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--blue-mid);
  transition: all var(--transition);
  white-space: nowrap;
}
.berita-readmore:hover {
  color: var(--blue-dark);
  gap: 8px;
}


/* --- Empty State ------------------------------------------ */
.berita-empty {
  grid-column: 1 / -1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 24px;
  text-align: center;
  color: var(--gray-400);
  font-size: 1rem;
}
.berita-empty .empty-icon {
  font-size: 2.5rem;
}


/* --- CTA Banner ------------------------------------------- */
.section-cta-berita {
  padding: 56px 0;
  background: var(--white);
}

.cta-berita-box {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-main) 100%);
  border-radius: var(--radius-xl);
  padding: 48px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-berita-left { flex: 1; min-width: 260px; }

.cta-berita-title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 800;
  color: var(--white);
  margin: 10px 0 12px;
}

.cta-berita-desc {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  max-width: 480px;
}

.cta-berita-right {
  flex-shrink: 0;
}


/* --- Scroll Reveal ---------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Jeda stagger antar card */
.berita-card:nth-child(2) { transition-delay: 0.08s; }
.berita-card:nth-child(3) { transition-delay: 0.16s; }
.berita-card:nth-child(4) { transition-delay: 0.24s; }
.berita-card:nth-child(5) { transition-delay: 0.06s; }
.berita-card:nth-child(6) { transition-delay: 0.14s; }
.berita-card:nth-child(7) { transition-delay: 0.22s; }


/* --- Responsive ------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
  .berita-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-berita-box {
    padding: 36px 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .page-hero {
    padding: 110px 0 52px;
  }
  .page-hero-title {
    font-size: 1.8rem;
  }

  .section-filter {
    top: 70px;
    padding: 14px 0;
  }
  .filter-bar {
    gap: 6px;
  }
  .filter-btn {
    font-size: 0.78rem;
    padding: 6px 14px;
  }

  .berita-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .berita-card {
    padding: 22px 20px;
  }

  .berita-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .cta-berita-box {
    padding: 28px 24px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: var(--radius-lg);
  }
}