/* ===== Hero ===== */
.hero {
  position: relative; width: 100%; height: 480px;
  overflow: hidden; background: #1a2332;
}
.hero-image {
  width: 100%; height: 100%; object-fit: cover;
  display: block; transition: opacity 0.5s ease;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.6) 100%);
}
.hero-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: 24px; color: #fff;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 16px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 500; margin-bottom: 20px;
}
.hero-badge svg { width: 14px; height: 14px; }
.hero-title {
  font-size: clamp(20px, 4vw, 42px); font-weight: 800;
  line-height: 1.2; max-width: 720px; margin-bottom: 28px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-cta {
  font-size: 16px; padding: 14px 36px; border-radius: var(--radius-full);
  background: var(--bg-surface); color: var(--accent); font-weight: 700;
  border: none; cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit;
}
.hero-cta svg { width: 18px; height: 18px; }
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.35); }

/* ===== Info Bar ===== */
.info-bar {
  background: var(--bg-surface); border-bottom: 1px solid var(--border);
  padding: 14px 24px; display: flex;
  align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.info-bar-title { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.info-bar-actions { display: flex; align-items: center; gap: 10px; }

/* ===== Two-column Layout ===== */
.main-layout {
  display: grid; grid-template-columns: 260px 1fr;
  gap: 0; max-width: 1280px; margin: 0 auto;
  padding: 32px 24px; min-height: 600px; align-items: start;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bg-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); border: 1px solid var(--border);
  padding: 16px; position: sticky; top: 88px;
}
.sidebar-heading {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
  padding: 0 8px 12px; border-bottom: 1px solid var(--border); margin-bottom: 8px;
}
.sidebar-menu { display: flex; flex-direction: column; gap: 2px; }
.sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius);
  cursor: pointer; transition: var(--transition);
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  border: 1px solid transparent; user-select: none;
}
.sidebar-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }
.sidebar-item:hover  { background: var(--accent-light); color: var(--accent); border-color: var(--border-focus); }
.sidebar-item.active { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(29,78,216,0.3); }
.sidebar-item.active svg { opacity: 1; }

/* ===== Content Area ===== */
.content-area  { padding-left: 28px; }
.content-card  {
  background: var(--bg-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden;
}
.content-header {
  padding: 24px 28px 20px; border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent-light) 0%, transparent 100%);
}
.content-header h2 { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.content-body  { padding: 28px; }
.content-image {
  width: 100%; max-height: 340px; object-fit: cover;
  border-radius: var(--radius); margin-bottom: 20px; display: block;
  box-shadow: var(--shadow-sm);
}
.content-text  { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.content-text p { margin-bottom: 14px; }
.content-text p:last-child { margin-bottom: 0; }

.content-placeholder {
  text-align: center; padding: 70px 24px; color: var(--text-muted);
}
.content-placeholder svg { width: 48px; height: 48px; margin-bottom: 16px; opacity: 0.35; display: block; margin-inline: auto; }
.content-placeholder p  { font-size: 16px; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .main-layout { grid-template-columns: 1fr; padding: 20px 16px; }
  .sidebar { position: static; }
  .content-area { padding-left: 0; padding-top: 16px; }
  .hero { height: 320px; }
}