/* ═══════════════════════════════════════════════════════════════
   OmicsLab — Enhancement Styles
   Styles for: language selector, global search, progress modal,
   changelog, feedback, RTL support, accessibility improvements.
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────
   Language Selector Dropdown
   ───────────────────────────────────────────────────── */
.i18n-toggle-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 0.25rem;
}

.i18n-current {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 9999px;
  color: var(--text, #e6edf3);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.i18n-current:hover { border-color: var(--success, #3fb950); background: var(--surface3, #1c2128); }
.i18n-caret { font-size: 0.7rem; opacity: 0.6; transition: transform 0.2s; }
.i18n-toggle-wrap.open .i18n-caret { transform: rotate(180deg); }

.i18n-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 170px;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 999;
  overflow: hidden;
  animation: dropIn 0.15s ease;
}
.i18n-toggle-wrap.open .i18n-dropdown { display: block; }

@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.i18n-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.6rem 1rem;
  background: none;
  border: none;
  color: var(--text-muted, #8b949e);
  font-size: 0.88rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, color 0.12s;
}
.i18n-option:hover { background: var(--surface3, #1c2128); color: var(--text, #e6edf3); }
.i18n-option.active { color: var(--success, #3fb950); background: rgba(63,185,80,0.08); }
.i18n-opt-flag { font-size: 1.1rem; line-height: 1; }
.i18n-opt-label { flex: 1; }
.i18n-opt-check { color: var(--success, #3fb950); font-size: 0.8rem; }

/* ─────────────────────────────────────────────────────
   Search Button in Nav
   ───────────────────────────────────────────────────── */
.nav-search-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 9999px;
  color: var(--text-muted, #8b949e);
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  margin-left: 0.25rem;
  white-space: nowrap;
}
.nav-search-btn:hover { border-color: var(--success, #3fb950); color: var(--text, #e6edf3); }
.nav-search-kbd {
  background: var(--surface3, #1c2128);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 4px;
  padding: 0 0.3rem;
  font-size: 0.7rem;
  color: var(--text-muted, #8b949e);
  font-family: monospace;
}

/* ─────────────────────────────────────────────────────
   Global Search Overlay
   ───────────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(1,4,9,0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 1rem 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}
.search-overlay.open { opacity: 1; pointer-events: all; }

.search-modal {
  width: 100%;
  max-width: 680px;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  overflow: hidden;
  animation: searchSlideIn 0.18s ease;
}
@keyframes searchSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.search-topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border, #30363d);
}
.search-icon-left { color: var(--text-muted, #8b949e); flex-shrink: 0; }
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text, #e6edf3);
  font-size: 1.05rem;
  font-family: inherit;
  padding: 0;
}
.search-input::placeholder { color: var(--text-muted, #8b949e); }
.search-close-btn {
  background: none;
  border: 1px solid var(--border, #30363d);
  border-radius: 6px;
  color: var(--text-muted, #8b949e);
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  font-size: 0.8rem;
  transition: border-color 0.12s;
}
.search-close-btn:hover { border-color: var(--text-muted, #8b949e); }

.search-results-box {
  max-height: 60vh;
  overflow-y: auto;
  padding: 0.5rem;
}

.search-count {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted, #8b949e);
  border-bottom: 1px solid var(--border-dim, #21262d);
  margin-bottom: 0.25rem;
}
.search-count strong { color: var(--text, #e6edf3); }

.search-group { margin-bottom: 0.25rem; }
.search-group-label {
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted, #8b949e);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.55rem 0.75rem;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--text, #e6edf3);
  font-size: 0.88rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s;
}
.search-result-item:hover, .search-result-item.focused {
  background: var(--surface3, #1c2128);
}
.sri-icon { display:flex;align-items:center;justify-content:center;flex-shrink:0;width:1.4rem;color:var(--text-muted,#8b949e); }
.sri-text { flex: 1; min-width: 0; }
.sri-title { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sri-desc { font-size: 0.78rem; color: var(--text-muted, #8b949e); margin-top: 0.1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sri-arrow { color: var(--text-muted, #8b949e); font-size: 0.8rem; opacity: 0; transition: opacity 0.1s; }
.search-result-item:hover .sri-arrow, .search-result-item.focused .sri-arrow { opacity: 1; }

.search-mark {
  background: rgba(63,185,80,0.25);
  color: var(--success, #3fb950);
  border-radius: 2px;
  padding: 0 1px;
}

.search-empty {
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--text-muted, #8b949e);
  font-size: 0.9rem;
}
.search-empty-icon { display:flex;justify-content:center;margin-bottom:.75rem;color:var(--text-faint,#484f58); }
.search-hints { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-top: 1rem; }
.search-hint-chip {
  padding: 0.3rem 0.75rem;
  background: var(--surface3, #1c2128);
  border: 1px solid var(--border, #30363d);
  border-radius: 9999px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
  color: var(--text-muted, #8b949e);
}
.search-hint-chip:hover { border-color: var(--success, #3fb950); color: var(--success, #3fb950); }

.search-footer {
  display: flex;
  gap: 1.25rem;
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--border-dim, #21262d);
  background: var(--surface, #0d1117);
  font-size: 0.74rem;
  color: var(--text-muted, #8b949e);
}

/* ─────────────────────────────────────────────────────
   Progress Modal
   ───────────────────────────────────────────────────── */
.progress-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(1,4,9,0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}
.progress-modal-overlay.open { opacity: 1; pointer-events: all; }

.progress-modal {
  width: 100%;
  max-width: 520px;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  animation: searchSlideIn 0.18s ease;
}

.pm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border, #30363d);
}
.pm-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text, #e6edf3);
}
.pm-close {
  background: none;
  border: 1px solid var(--border, #30363d);
  border-radius: 6px;
  color: var(--text-muted, #8b949e);
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.12s;
}
.pm-close:hover { border-color: var(--text-muted, #8b949e); }

.pm-body { padding: 1.25rem; }

.pm-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.pm-stat {
  background: var(--surface3, #1c2128);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 10px;
  padding: 0.75rem 0.5rem;
  text-align: center;
}
.pm-stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success, #3fb950);
  line-height: 1.2;
}
.pm-stat-label { font-size: 0.72rem; color: var(--text-muted, #8b949e); margin-top: 0.2rem; }

.pm-desc {
  font-size: 0.86rem;
  color: var(--text-muted, #8b949e);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.pm-section {
  padding: 1rem;
  background: var(--surface3, #1c2128);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 10px;
  margin-bottom: 0.75rem;
}
.pm-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text, #e6edf3);
  margin-bottom: 0.4rem;
}
.pm-section-desc { font-size: 0.8rem; color: var(--text-muted, #8b949e); margin-bottom: 0.75rem; line-height: 1.5; }

.pm-danger-section { border-color: rgba(255,80,80,0.2); background: rgba(255,80,80,0.04); }
.pm-danger-title { color: #f85149; }

.btn-pm-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--success, #3fb950);
  color: #0d1117;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-pm-primary:hover { opacity: 0.88; }

.btn-pm-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: none;
  color: var(--text, #e6edf3);
  border: 1px solid var(--border, #30363d);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s;
}
.btn-pm-secondary:hover { border-color: var(--success, #3fb950); }

.btn-pm-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: none;
  color: #f85149;
  border: 1px solid rgba(255,80,80,0.3);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn-pm-danger:hover { background: rgba(255,80,80,0.1); border-color: #f85149; }

/* ─────────────────────────────────────────────────────
   Changelog Section
   ───────────────────────────────────────────────────── */
.changelog-section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

#changelog-content { margin-top: 2rem; }

.cl-entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  position: relative;
}
.cl-entry-latest .cl-content { border-color: var(--success, #3fb950); }

.cl-version-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  position: relative;
}
.cl-version-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 9999px;
  letter-spacing: 0.03em;
}
.cl-badge-latest {
  background: rgba(63,185,80,0.15);
  color: var(--success, #3fb950);
  border: 1px solid rgba(63,185,80,0.4);
}
.cl-badge-old {
  background: var(--surface3, #1c2128);
  color: var(--text-muted, #8b949e);
  border: 1px solid var(--border-dim, #21262d);
}
.cl-date { font-size: 0.75rem; color: var(--text-muted, #8b949e); }
.cl-badge-chip {
  background: var(--success, #3fb950);
  color: #0d1117;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cl-line {
  position: absolute;
  top: 3.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  bottom: -2.5rem;
  background: var(--border-dim, #21262d);
}

.cl-content {
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 12px;
  padding: 1.25rem;
  transition: border-color 0.2s;
}
.cl-content:hover { border-color: var(--border-active, #30363d); }
.cl-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text, #e6edf3);
  margin-bottom: 0.75rem;
}
.cl-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.cl-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.86rem;
  color: var(--text-muted, #8b949e);
  line-height: 1.5;
}
.cl-item-icon { display:flex;align-items:center;flex-shrink:0;margin-top:0.05rem;color:var(--text-muted,#8b949e); }
.cl-item-text { flex: 1; }

/* ─────────────────────────────────────────────────────
   Feedback / Report Section (in Footer)
   ───────────────────────────────────────────────────── */
.footer-feedback {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 10px;
  text-align: center;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.footer-feedback-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text, #e6edf3);
  margin-bottom: 0.3rem;
}
.footer-feedback-desc {
  font-size: 0.78rem;
  color: var(--text-muted, #8b949e);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.btn-feedback {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: none;
  border: 1px solid var(--border, #30363d);
  border-radius: 9999px;
  color: var(--text-muted, #8b949e);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-feedback:hover { border-color: var(--success, #3fb950); color: var(--success, #3fb950); }

/* ─────────────────────────────────────────────────────
   RTL Support (Arabic)
   ───────────────────────────────────────────────────── */
html[dir="rtl"] .landing-nav {
  flex-direction: row-reverse;
}
html[dir="rtl"] .hero {
  flex-direction: row-reverse;
}
html[dir="rtl"] .hero-left {
  text-align: right;
}
html[dir="rtl"] .hero-cta,
html[dir="rtl"] .hero-trust {
  justify-content: flex-end;
}
html[dir="rtl"] .stat {
  direction: rtl;
}
html[dir="rtl"] .cl-entry {
  direction: rtl;
}
html[dir="rtl"] .cl-item {
  flex-direction: row-reverse;
}
html[dir="rtl"] .pm-stats-grid {
  direction: rtl;
}
html[dir="rtl"] .search-result-item {
  flex-direction: row-reverse;
  text-align: right;
}
html[dir="rtl"] .sri-arrow {
  transform: scaleX(-1);
}
html[dir="rtl"] .feature-card {
  text-align: right;
}
html[dir="rtl"] .nav-pills {
  flex-direction: row-reverse;
}
html[dir="rtl"] .nav-learn-dropdown {
  left: 0;
  right: auto;
}
html[dir="rtl"] .footer-links {
  flex-direction: row-reverse;
}
html[dir="rtl"] .i18n-dropdown {
  left: 0;
  right: auto;
}

/* ─────────────────────────────────────────────────────
   Improved Footer
   ───────────────────────────────────────────────────── */
.footer-mission {
  max-width: 560px;
  margin: 0 auto 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted, #8b949e);
  line-height: 1.7;
  text-align: center;
}
.footer-mission strong { color: var(--text, #e6edf3); }

.footer-lang-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
  font-size: 0.78rem;
  color: var(--text-muted, #8b949e);
}
.footer-lang-pill {
  padding: 0.2rem 0.6rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 9999px;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
}
.footer-lang-pill:hover { border-color: var(--success, #3fb950); color: var(--success, #3fb950); }

.footer-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
  font-size: 0.8rem;
}
.footer-stat-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-muted, #8b949e);
}
.footer-stat-item strong { color: var(--success, #3fb950); }

/* ─────────────────────────────────────────────────────
   Accessibility — Focus outlines
   ───────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--success, #3fb950);
  outline-offset: 2px;
  border-radius: 4px;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--success, #3fb950);
  outline-offset: 2px;
}

/* Skip-to-content link for screen readers */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 10001;
  background: var(--success, #3fb950);
  color: #0d1117;
  padding: 0.5rem 1rem;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ─────────────────────────────────────────────────────
   Progress Button in Footer / Nav
   ───────────────────────────────────────────────────── */
.nav-progress-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 9999px;
  color: var(--text-muted, #8b949e);
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  margin-left: 0.25rem;
}
.nav-progress-btn:hover { border-color: var(--success, #3fb950); color: var(--success, #3fb950); }

/* ─────────────────────────────────────────────────────
   Mobile enhancements
   ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .cl-entry {
    grid-template-columns: 80px 1fr;
    gap: 1rem;
  }
  .pm-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .search-footer { display: none; }
  .nav-search-btn .nav-search-kbd { display: none; }
  .footer-stats-row { gap: 0.75rem; }
}

@media (max-width: 480px) {
  .cl-entry { grid-template-columns: 1fr; }
  .cl-version-col { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: flex-start; }
  .cl-line { display: none; }
  .pm-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .search-overlay { padding: 0; align-items: flex-end; }
  .search-modal { border-radius: 16px 16px 0 0; }
}

/* ═══════════════════════════════════════════════════════════════
   Page Router — nav buttons, page headers, home grid
   ═══════════════════════════════════════════════════════════════ */

/* ── Page nav buttons (replace old nav pills) ── */
.page-nav-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.38rem 0.9rem;
  background: none;
  border: 1px solid transparent;
  border-radius: 9999px;
  color: var(--text-muted, #8b949e);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.page-nav-btn:hover {
  color: var(--text, #e6edf3);
  border-color: var(--border, #30363d);
}
.page-nav-btn.active {
  color: var(--success, #3fb950);
  border-color: var(--success, #3fb950);
  background: rgba(63, 185, 80, 0.08);
}

/* ── Page breadcrumb header ── */
#page-route-header {
  padding: 0.6rem 2rem;
  border-bottom: 1px solid var(--border-dim, #21262d);
  background: var(--surface, #0d1117);
  position: sticky;
  top: 0;
  z-index: 90;
}
.page-route-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: 1rem;
  flex-wrap: wrap;
}
.prh-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.prh-home-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  color: var(--text-muted, #8b949e);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 5px;
  transition: color 0.13s;
}
.prh-home-btn:hover { color: var(--text, #e6edf3); }
.prh-sep { color: var(--border, #30363d); font-size: 0.9rem; }
.prh-page-icon { display:flex;align-items:center;flex-shrink:0;color:var(--text-muted,#8b949e); }
.prh-page-name { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.01em; }
.prh-tagline {
  font-size: 0.75rem;
  color: var(--text-muted, #8b949e);
  max-width: 500px;
  line-height: 1.4;
}

/* ── Home page feature grid ── */
#home-page-content { animation: fadeInUp 0.3s ease; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.home-page-grid-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 2rem 3rem;
}
.home-page-section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted, #8b949e);
  margin-bottom: 1.25rem;
}
.home-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.home-page-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.5rem 1.25rem 1.25rem;
  background: var(--surface2, #161b22);
  border: 1px solid var(--border, #30363d);
  border-radius: 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s, transform 0.15s, box-shadow 0.18s;
  position: relative;
  overflow: hidden;
}
.home-page-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--card-color, #3fb950);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.home-page-card:hover::before { transform: scaleX(1); }
.home-page-card:hover {
  border-color: var(--card-color, #3fb950);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.hpc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}
.hpc-icon { font-size: 1.65rem; line-height: 1; }
.hpc-badge {
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(227,179,65,0.15);
  color: #e3b341;
  border: 1px solid rgba(227,179,65,0.3);
}
.hpc-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text, #e6edf3);
  line-height: 1.25;
}
.hpc-desc {
  font-size: 0.8rem;
  color: var(--text-muted, #8b949e);
  line-height: 1.55;
  flex: 1;
}
.hpc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.1rem;
}
.hpc-chip {
  font-size: 0.67rem;
  padding: 0.1rem 0.4rem;
  background: var(--surface3, #1c2128);
  border: 1px solid var(--border-dim, #21262d);
  border-radius: 4px;
  color: var(--text-muted, #8b949e);
}
.hpc-cta {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--card-color, #3fb950);
  letter-spacing: 0.01em;
}

/* ── Home trust badges ── */
.home-trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--border-dim, #21262d);
}
.trust-chip {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--text-muted, #8b949e);
  padding: 0.2rem 0.5rem;
}
.trust-chip svg { flex-shrink: 0; color: var(--success, #3fb950); }
.trust-africa { color: #f97316; }
.trust-africa svg { color: #f97316; }

/* ── Mobile nav page links ── */
.mob-page-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--text-muted, #8b949e);
  font-size: 0.88rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, color 0.12s;
}
.mob-page-btn:hover {
  background: var(--surface2, #161b22);
  color: var(--text, #e6edf3);
}
.mob-page-btn.active {
  color: var(--success, #3fb950);
  background: rgba(63,185,80,0.07);
}

/* ── Responsive router ── */
@media (max-width: 1100px) {
  .home-page-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .home-page-grid { grid-template-columns: repeat(2, 1fr); }
  .prh-tagline { display: none; }
}
@media (max-width: 580px) {
  .home-page-grid { grid-template-columns: 1fr; }
  .home-page-grid-wrap { padding: 1.5rem 1rem 2rem; }
  #page-route-header { padding: 0.5rem 1rem; }
}