/* ============================================================
   VELDION V5 — artikel.css
   Style khusus halaman artikel blog (slide-based).
   ============================================================ */

/* ===== HEADER ARTIKEL ===== */
.artikel-header {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: rgba(245,242,236,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.artikel-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
}
.artikel-header .brand {
  display: flex; flex-direction: column; text-decoration: none;
  flex-shrink: 0;
}
.artikel-header .brand-name {
  font-size: var(--fs-lg); font-weight: var(--fw-black);
  letter-spacing: -0.02em; color: var(--charcoal);
}
.artikel-header .brand-tag {
  font-size: 9px; letter-spacing: var(--ls-wider);
  text-transform: uppercase; color: var(--silver);
  font-weight: var(--fw-medium);
}
.artikel-header .actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }

/* ===== NAV ARTIKEL (desktop) ===== */
.artikel-nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 1024px) {
  .artikel-nav { display: flex; }
}
.artikel-nav a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--silver-dark);
  text-decoration: none;
  transition: color var(--duration) var(--ease-out);
  position: relative;
}
.artikel-nav a:hover {
  color: var(--charcoal);
}
.artikel-nav a.active {
  color: var(--charcoal);
}
.artikel-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--silver);
  border-radius: var(--radius-full);
}

/* ===== PAGE HEAD ===== */
.artikel-head {
  padding: var(--space-10) 0 var(--space-6);
  text-align: center;
}
.artikel-head .category {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 14px;
  background: var(--peach);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs); font-weight: var(--fw-semi);
  color: var(--bronze);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.artikel-head .category i[data-lucide] {
  width: 12px;
  height: 12px;
}
.artikel-head h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--charcoal);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
  max-width: 720px;
  margin-inline: auto;
}
.artikel-head .meta {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-4);
  font-size: var(--fs-xs);
  color: var(--silver);
}
.artikel-head .meta .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--silver-light);
}

/* ===== SLIDE CONTAINER ===== */
.slide-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.slide-container:active { cursor: grabbing; }

.slide-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
.slide-track.no-transition { transition: none; }

.slide-card {
  flex: 0 0 100%;
  min-height: 460px;
  padding: var(--space-12) var(--space-8);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  position: relative;
}

.slide-num {
  position: absolute;
  top: var(--space-5); right: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  color: var(--silver);
  letter-spacing: 0.05em;
}

.slide-icon {
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cream-100);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--silver-dark);
  margin-bottom: var(--space-6);
  flex-shrink: 0;
}
.slide-icon i, .slide-icon svg {
  width: 28px; height: 28px;
}

.slide-title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--charcoal);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: var(--space-5);
  max-width: 560px;
}

.slide-desc {
  font-size: var(--fs-base);
  color: var(--silver-dark);
  line-height: var(--lh-loose);
  max-width: 560px;
}
.slide-desc strong {
  color: var(--charcoal);
  font-weight: var(--fw-semi);
}
.slide-desc .highlight {
  color: var(--bronze);
  font-weight: var(--fw-medium);
}

/* ===== PROGRESS BAR ===== */
.slide-progress {
  height: 3px;
  background: var(--cream-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.slide-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--silver-dark), var(--charcoal));
  border-radius: var(--radius-full);
  transition: width 0.5s var(--ease-out);
}

/* ===== CONTROLS ===== */
.slide-controls {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.slide-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--charcoal);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
}
.slide-btn:hover:not(:disabled) {
  border-color: var(--silver);
  background: var(--cream-100);
  transform: scale(1.05);
}
.slide-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.slide-btn i[data-lucide] {
  width: 20px;
  height: 20px;
}

.slide-dots {
  display: flex; align-items: center; gap: 8px;
  flex: 1;
  justify-content: center;
}
.slide-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cream-300);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  border: none;
  padding: 0;
}
.slide-dot:hover { background: var(--silver-light); }
.slide-dot.active {
  background: var(--charcoal);
  width: 24px;
  border-radius: 4px;
}

/* ===== FOOTER ARTIKEL ===== */
.artikel-footer {
  text-align: center;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border);
  margin-bottom: var(--space-8);
}
.artikel-footer p {
  color: var(--silver-dark);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-5);
}
.artikel-actions {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: center;
}

/* ===== RELATED ===== */
.related-section {
  margin-bottom: var(--space-12);
}
.related-title {
  text-align: center;
  margin-bottom: var(--space-6);
}
.related-title h2 {
  font-size: var(--fs-2xl);
  color: var(--charcoal);
  margin-bottom: var(--space-2);
}
.related-title p {
  color: var(--silver-dark);
  font-size: var(--fs-sm);
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .related-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
}
.related-card {
  display: flex; flex-direction: column;
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--duration) var(--ease-out);
  min-height: 130px;
}
.related-card:hover {
  border-color: var(--silver-pale);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.related-card .cat {
  font-size: 10px;
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--silver);
  margin-bottom: var(--space-2);
}
.related-card h3 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--charcoal);
  line-height: 1.35;
}

/* ============================================================
   MAIN CONTAINER
   ============================================================ */
.artikel-main {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-bottom: var(--space-12);
}

/* ============================================================
   MOBILE BOTTOM NAV
   ============================================================ */
.mobile-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  background: rgba(245,242,236,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
}
.mobile-nav-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; gap: 2px; padding: 6px;
  font-size: 10px; font-weight: var(--fw-medium);
  color: var(--silver); text-decoration: none;
  transition: color var(--duration) var(--ease-out);
}
.mobile-nav-item.active,
.mobile-nav-item:hover { color: var(--charcoal); }
.mobile-nav-item i { width: 20px; height: 20px; }

/* ============================================================
   MOBILE OPTIMIZATION
   ============================================================ */
@media (max-width: 767px) {
  .mobile-nav { display: flex; }
  body { padding-bottom: 72px; }
  .artikel-main { padding-bottom: calc(var(--space-12) + 72px); }
}

@media (max-width: 640px) {

  /* ===== Header ringkas ===== */
  .artikel-header {
    padding: 10px 0;
  }
  .artikel-header .container {
    gap: var(--space-2);
  }
  .artikel-header .brand-name {
    font-size: var(--fs-base);
  }
  .artikel-header .brand-tag {
    font-size: 8px;
  }
  .artikel-header .actions .btn {
    padding: 6px 10px;
    font-size: 11px;
  }
  .artikel-header .actions .btn span {
    display: none;
  }
  .artikel-header .actions .btn i {
    margin: 0;
  }

  /* ===== Main padding ===== */
  .artikel-main {
    padding-inline: var(--space-3);
  }

  /* ===== Page head super ringkas ===== */
  .artikel-head {
    padding: var(--space-4) 0 var(--space-3);
  }
  .artikel-head .category {
    font-size: 10px;
    padding: 3px 10px;
    margin-bottom: var(--space-2);
  }
  .artikel-head h1 {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-2);
    line-height: 1.3;
  }
  .artikel-head .meta {
    font-size: 10px;
    gap: var(--space-2);
  }

  /* ===== Progress ===== */
  .slide-progress {
    height: 2px;
    margin-bottom: var(--space-3);
  }

  /* ===== Slide: pas di layar, tidak ada ruang kosong besar ===== */
  .slide-container {
    border-radius: var(--radius-md);
    margin-inline: 0;
    margin-bottom: var(--space-4);
  }
  .slide-track { align-items: stretch; }
  .slide-card {
    min-height: 0;
    aspect-ratio: auto;
    max-height: none;
    padding: var(--space-8) var(--space-5);
    gap: 0;
  }
  .slide-icon {
    width: 44px; height: 44px;
    margin-bottom: var(--space-3);
  }
  .slide-icon i, .slide-icon svg {
    width: 20px; height: 20px;
  }
  .slide-title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-3);
    line-height: 1.3;
  }
  .slide-desc {
    font-size: var(--fs-sm);
    line-height: 1.65;
  }
  .slide-num {
    top: var(--space-3); right: var(--space-4);
    font-size: 10px;
  }

  /* ===== Controls ===== */
  .slide-controls {
    margin-bottom: var(--space-5);
    gap: var(--space-2);
  }
  .slide-btn {
    width: 36px; height: 36px;
  }
  .slide-btn i {
    width: 16px !important;
    height: 16px !important;
  }
  .slide-dot {
    width: 6px; height: 6px;
  }
  .slide-dot.active {
    width: 18px;
  }
}