/* ==========================================================================
   ALFA AL-ARABIA — AUTHORITY PAGES CSS (v2.0)
   Deep content styling for 2,000-4,000 word technical authority pages.
   Harmonized with alfa-design-system.css v5.0.
   ========================================================================== */

/* ─── Content Container ──────────────────────────────────────────────── */
.content-max {
  width: 100%;
  max-width: var(--alfa-read-max, 920px);
  margin-inline: auto;
  box-sizing: border-box;
}

/* ─── Breadcrumb Bar ─────────────────────────────────────────────────── */
.breadcrumb-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--alfa-slate-200);
  padding: 10px 0;
  font-size: 0.75rem;
  color: var(--alfa-slate-500);
}

.breadcrumb-bar a {
  color: var(--alfa-slate-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-bar a:hover {
  color: var(--alfa-orange);
}

/* ─── Authority Hero ─────────────────────────────────────────────────── */
.authority-hero {
  background: #ffffff;
  padding: 3rem 0 2.75rem;
  color: var(--alfa-slate-800);
  position: relative;
  border-bottom: 1px solid var(--alfa-slate-200);
}

.hero-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.authority-h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  max-width: 860px;
  letter-spacing: -0.02em;
  color: var(--alfa-slate-900);
}

.authority-subtitle {
  font-size: 1.0625rem;
  color: var(--alfa-slate-700);
  line-height: 1.7;
  max-width: 780px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── Authority Sections ─────────────────────────────────────────────── */
.authority-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--alfa-slate-200);
  background-color: #ffffff;
}

.section-heading {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--alfa-navy-dark);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 0.75rem;
}

.section-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--alfa-orange);
  border-radius: 2px;
}

[dir="rtl"] .section-heading::after {
  left: auto;
  right: 0;
}

/* ─── Body Text ──────────────────────────────────────────────────────── */
.body-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--alfa-slate-800);
  margin-bottom: 1.25rem;
}

.body-text strong {
  color: var(--alfa-navy-dark);
}

.body-text:last-child {
  margin-bottom: 0;
}

/* ─── Quick Answer Box ───────────────────────────────────────────────── */
.quick-answer-box {
  background: #ffffff;
  border: 1px solid var(--alfa-slate-200);
  border-left: 5px solid var(--alfa-blue);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  position: relative;
  box-shadow: var(--shadow-md);
}

[dir="rtl"] .quick-answer-box {
  border-left: 1px solid var(--alfa-slate-200);
  border-right: 5px solid var(--alfa-blue);
}

.qa-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--alfa-blue);
  background: var(--alfa-blue-light);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 140, 201, 0.2);
}

.qa-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--alfa-slate-800);
  margin-bottom: 1.5rem;
}

.qa-specs {
  font-size: 0.8125rem;
  margin: 0;
}

/* ─── Engineering Note Aside ─────────────────────────────────────────── */
.engineering-note {
  background: var(--alfa-blue-light);
  border-left: 4px solid var(--alfa-blue);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.875rem;
  color: var(--alfa-slate-800);
  line-height: 1.7;
}

[dir="rtl"] .engineering-note {
  border-left: none;
  border-right: 4px solid var(--alfa-blue);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* ─── Authority Lists ────────────────────────────────────────────────── */
.authority-list {
  padding-left: 1.75rem;
  margin: 1rem 0 1.5rem;
}

[dir="rtl"] .authority-list {
  padding-left: 0;
  padding-right: 1.75rem;
}

.authority-list li {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--alfa-slate-700);
  margin-bottom: 0.75rem;
  padding-left: 0.25rem;
}

.authority-list li strong {
  color: var(--alfa-navy-dark);
}

/* ─── Two-Column Grid ────────────────────────────────────────────────── */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.col-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--alfa-slate-200);
  box-shadow: var(--shadow-sm);
}

.col-card-positive {
  border-top: 4px solid var(--alfa-emerald);
}

.col-card-neutral {
  border-top: 4px solid var(--alfa-amber);
}

.col-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--alfa-navy-dark);
  margin-bottom: 1rem;
}

.col-card-list {
  padding-left: 1.25rem;
  margin: 0;
}

[dir="rtl"] .col-card-list {
  padding-left: 0;
  padding-right: 1.25rem;
}

.col-card-list li {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--alfa-slate-700);
  margin-bottom: 0.5rem;
}

/* ─── FAQ Section ────────────────────────────────────────────────────── */
.faq-section {
  background: var(--alfa-slate-50);
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  padding: 0;
}

.faq-item:hover {
  border-color: #CBD5E1;
  box-shadow: 0 4px 12px rgba(7, 24, 43, 0.05);
}

.faq-item.is-open {
  border-color: var(--alfa-blue);
  box-shadow: 0 4px 14px rgba(0, 140, 201, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--alfa-navy-dark);
  margin: 0;
  line-height: 1.45;
  background: #ffffff;
  transition: background-color 0.15s ease;
}

.faq-question:hover {
  background-color: #F8FAFC;
}

.faq-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  transition: transform 0.25s ease, color 0.25s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--alfa-blue);
}

.faq-answer {
  display: none;
  padding: 0 20px 18px 20px;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--alfa-slate-700);
  background: #ffffff;
  margin: 0;
}

.faq-answer p {
  margin: 0 0 10px 0;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-item.is-open .faq-answer {
  display: block;
  animation: alfaFaqFadeIn 0.2s ease-out;
}

/* ─── Related Resources ──────────────────────────────────────────────── */
.related-section {
  background: var(--alfa-cream);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.related-block {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--alfa-slate-200);
  box-shadow: var(--shadow-sm);
}

.related-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--alfa-slate-500);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--alfa-orange);
}

.related-link {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--alfa-blue);
  text-decoration: none;
  padding: 0.375rem 0;
  transition: color var(--transition-fast);
}

.related-link:hover {
  color: var(--alfa-orange);
}

/* ─── CTA Section ────────────────────────────────────────────────────── */
.authority-cta {
  padding: 3.5rem 0;
  background: #F4F6F8;
}

.cta-box {
  text-align: center;
}

.cta-title {
  font-size: 1.875rem;
  font-weight: 900;
  color: var(--alfa-slate-900);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-text {
  font-size: 1rem;
  color: var(--alfa-slate-600);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cta-trust {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--alfa-slate-300);
  font-weight: 600;
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .authority-h1 { font-size: 1.65rem; }
  .section-heading { font-size: 1.25rem; }
  .two-col-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: stretch; max-width: 320px; margin-left: auto; margin-right: auto; }
  .cta-trust { flex-direction: column; align-items: center; gap: 0.5rem; }
}