/* =============================================================================
   Project Name: YIAL Arabic Online
   File Purpose: Public Homepage Components, Navigation, Grids, and Responsive Styles
   ============================================================================= */

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-content {
  width: 100%;
  max-width: var(--container-content);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* =============================================================================
   Utility & Accessibility Bar
   ============================================================================= */
.utility-bar {
  background-color: var(--color-primary-950);
  color: var(--color-text-inverse);
  padding: var(--space-2) 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-bar a {
  color: var(--color-text-inverse);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.utility-bar a:hover {
  color: var(--color-secondary-400);
}

.utility-contact {
  display: flex;
  gap: var(--space-4);
}

.utility-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language Switcher Button Styles */
.lang-switcher-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-inverse);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.lang-switcher-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-secondary-400);
  color: var(--color-secondary-400);
}

/* =============================================================================
   Main Header & Navigation
   ============================================================================= */
.main-header {
  background-color: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border-main);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-soft);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

/* Typographic Brand Logo Mark (Temporary Placeholder) */
.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.7rem;
  color: var(--color-secondary-600);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

html[lang="ar"] .brand-title {
  font-size: 1.45rem;
  letter-spacing: normal;
}

html[lang="ar"] .brand-tagline {
  font-size: 0.75rem;
  letter-spacing: normal;
}

/* Desktop Navigation List */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.desktop-nav a {
  color: var(--color-primary-800);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover,
.desktop-nav .active {
  color: var(--color-accent-600);
  border-bottom-color: var(--color-accent-600);
}

/* More Dropdown Menu Styles */
.dropdown-item-wrapper {
  position: relative;
}

.dropdown-trigger {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

.dropdown-trigger:hover {
  color: var(--color-accent-600);
}

.dropdown-arrow {
  font-size: 0.6rem;
  vertical-align: middle;
  transition: transform var(--transition-fast);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  inset-inline-end: 0; /* Keep aligned flush with the edge of the trigger/container */
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
  padding: var(--space-2) 0;
  list-style: none;
  min-width: 185px;
  z-index: 1000;
  text-align: start;
}

.dropdown-menu li a {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--color-primary-800);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
  background-color: var(--color-bg-muted);
  color: var(--color-accent-600);
}

/* Nav Actions buttons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Button helper transitions are loaded from design-system.css */

/* Accessible Mobile Menu Toggle button */
.mobile-menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: none;
  padding: var(--space-2);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-900);
  stroke-width: 2;
}

/* =============================================================================
   Mobile Navigation Drawer
   ============================================================================= */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-start: -280px; /* Logical offscreen */
  width: 280px;
  background-color: var(--color-bg-surface);
  box-shadow: var(--shadow-elevated);
  z-index: 1000;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: inset-inline-start var(--transition-normal);
}

.mobile-nav-drawer.open {
  inset-inline-start: 0;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border-main);
  padding-bottom: var(--space-4);
}

.mobile-nav-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.mobile-nav-close svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-900);
  stroke-width: 2;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav-list a {
  color: var(--color-primary-800);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  display: block;
  padding: var(--space-2) 0;
}

.mobile-nav-list a:hover {
  color: var(--color-accent-600);
}

.mobile-nav-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-nav-btn {
  width: 100%;
  justify-content: center;
}

/* Drawer overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(6, 17, 31, 0.4);
  backdrop-filter: blur(2px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* =============================================================================
   Hero Section
   ============================================================================= */
.hero-section {
  padding: var(--space-16) 0;
  background-color: var(--color-bg-surface);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
}

.hero-badge {
  background-color: var(--color-status-success-bg);
  color: var(--color-status-success-text);
  padding: var(--space-1) var(--space-3);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.2;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border-main);
  padding-top: var(--space-4);
  width: 100%;
}

.hero-trust-stars {
  color: var(--color-secondary-600);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

.hero-trust-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Hero Visual Composition Container (CSS/SVG alternative to low-res stock photo) */
.hero-visual {
  position: relative;
  background-color: var(--color-bg-muted);
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-main);
  overflow: hidden;
}

.hero-visual-svg {
  width: 70%;
  height: auto;
  fill: none;
  stroke: var(--color-primary-800);
  stroke-width: 2;
  opacity: 0.25;
}

.hero-visual-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
  background-image: radial-gradient(var(--color-primary-900) 1px, transparent 0);
  background-size: 20px 20px;
}

.hero-card {
  position: absolute;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-elevated);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 10;
  transition: transform var(--transition-normal);
}

.hero-card:hover {
  transform: scale(1.03) translateY(-2px);
}

.hero-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.hero-card-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-align: start;
}

.hero-card-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-900);
  white-space: nowrap;
}

.hero-card-level {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Fluid placement offsets using logical properties */
.hero-card-1 {
  bottom: 20%;
  inset-inline-start: 10%;
}

.hero-card-2 {
  top: 15%;
  inset-inline-end: 10%;
}

/* =============================================================================
   Trust & Qualities Section
   ============================================================================= */
.section-padding {
  padding: var(--space-16) 0;
}

.section-padding-sm {
  padding: var(--space-12) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.section-subtitle {
  color: var(--color-secondary-600);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: 2rem;
}

.section-header p {
  max-width: 600px;
  margin-top: var(--space-2);
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-programs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* Quality Core Card Styles */
.quality-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.quality-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-status-success-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-status-success-text);
}

.quality-icon-wrapper svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* =============================================================================
   Programs Showcase
   ============================================================================= */
.programs-section {
  background-color: var(--color-bg-muted);
}

.program-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast);
}

.program-card:hover {
  transform: translateY(-4px);
}

.program-header {
  height: 120px;
  background-color: var(--color-primary-900);
  color: var(--color-text-inverse);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

.program-pattern {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0.15;
  background-image: repeating-linear-gradient(45deg, transparent, transparent 10px, var(--color-secondary-500) 10px, var(--color-secondary-500) 20px);
}

.program-header h3 {
  color: var(--color-text-inverse);
  z-index: 1;
}

.program-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: var(--space-4);
}

.program-audience {
  font-size: 0.8rem;
  color: var(--color-secondary-600);
  font-weight: 600;
  text-transform: uppercase;
}

.program-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  flex-grow: 1;
}

/* =============================================================================
   Why Choose YIAL Layout
   ============================================================================= */
.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-12);
  align-items: center;
}

.why-highlight-box {
  background-color: var(--color-bg-muted);
  border-inline-start: 4px solid var(--color-secondary-600);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.why-highlight-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-secondary-600);
  line-height: 1;
}

.why-highlight-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-900);
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.why-feature-row {
  display: flex;
  gap: var(--space-4);
}

.why-feature-bullet {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary-500);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 0.85rem;
}

.why-feature-text h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-1);
}

/* =============================================================================
   Teaching Methodology Road
   ============================================================================= */
.methodology-section {
  background-color: var(--color-primary-950);
  color: var(--color-text-inverse);
}

.methodology-section .section-title {
  color: var(--color-text-inverse);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.methodology-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}

.methodology-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-secondary-600);
  line-height: 1;
}

.methodology-step h3 {
  color: var(--color-text-inverse);
}

.methodology-step p {
  color: rgba(255, 255, 255, 0.7);
}

/* =============================================================================
   Featured Teachers Section
   ============================================================================= */
.teacher-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-soft);
}

.teacher-avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-muted);
  border: 2px solid var(--color-secondary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-900);
}

.teacher-avatar-placeholder svg {
  width: 48px;
  height: 48px;
  fill: currentColor;
}

.teacher-name {
  font-size: 1.2rem;
  font-weight: 700;
}

.teacher-title {
  font-size: 0.85rem;
  color: var(--color-secondary-600);
  font-weight: 600;
  text-transform: uppercase;
}

.teacher-badge-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  justify-content: center;
}

.badge {
  font-size: 0.75rem;
  background-color: var(--color-bg-muted);
  border: 1px solid var(--color-border-main);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.teacher-bio {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* =============================================================================
   Testimonials & Accordion FAQs
   ============================================================================= */
.testimonials-section {
  background-color: var(--color-bg-muted);
}

.testimonial-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.testimonial-quote {
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--space-4);
  color: var(--color-text-main);
}

.testimonial-author {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-secondary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Accessible FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.faq-item {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-4) var(--space-6);
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-900);
  text-align: start;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-trigger svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary-900);
  stroke-width: 2;
  transition: transform var(--transition-fast);
}

.faq-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-panel {
  padding: 0 var(--space-6) var(--space-4) var(--space-6);
  display: none;
}

.faq-trigger[aria-expanded="true"] + .faq-panel {
  display: block;
}

/* =============================================================================
   Enrollment Call-To-Action (CTA)
   ============================================================================= */
.cta-section {
  background-color: var(--color-secondary-600);
  color: var(--color-primary-950);
}

.cta-section h2 {
  color: var(--color-primary-950);
  font-size: 2.25rem;
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: var(--color-primary-950);
  font-size: 1.125rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

/* =============================================================================
   Bilingual Footer
   ============================================================================= */
.main-footer {
  background-color: var(--color-primary-950);
  color: #cbd5e1; /* slate-300 contrast */
  padding: var(--space-16) 0 var(--space-8) 0;
  border-top: 4px solid var(--color-accent-600);
  font-size: 0.9rem;
}

.footer-col-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-brand-desc {
  max-width: 320px; /* bound measure for visual hierarchy */
  line-height: 1.6;
  font-size: 0.85rem;
  color: #94a3b8; /* slate-400 */
}

.footer-col h4 {
  color: var(--color-text-inverse);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

html[lang="en"] .footer-col h4 {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0; /* Logical start border instead of hardcoded physical left/right */
  width: 24px;
  height: 2px;
  background-color: var(--color-accent-600);
}

.footer-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.footer-logo-title {
  color: var(--color-text-inverse);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.footer-logo-sub {
  font-size: 0.72rem;
  color: var(--color-secondary-500);
  font-weight: 600;
  margin-top: 2px;
  display: block;
}

html[lang="en"] .footer-logo-sub {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2.5);
}

.footer-links a {
  color: #94a3b8; /* slate-400 contrast */
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-links a:visited {
  color: #94a3b8;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-text-inverse);
  outline: none;
}

.footer-links a:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary-500);
  letter-spacing: 0.05em;
}

html[lang="en"] .footer-contact-label {
  text-transform: uppercase;
}

.footer-contact-value,
.footer-contact-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  display: inline-block;
  width: fit-content;
}

.footer-contact-link:hover,
.footer-contact-link:focus {
  color: var(--color-text-inverse);
  outline: none;
}

.footer-contact-link:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); /* clean divider */
  padding-top: var(--space-6);
  margin-top: var(--space-12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; /* responsive wrap */
  gap: var(--space-4);
  font-size: 0.85rem;
  color: #94a3b8;
}

.footer-bottom-copyright {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-bottom-link,
.footer-lang-link {
  color: #94a3b8;
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.footer-bottom-link:hover,
.footer-bottom-link:focus,
.footer-lang-link:hover,
.footer-lang-link:focus,
.footer-lang-link.active {
  color: var(--color-text-inverse);
  outline: none;
}

.footer-bottom-link:focus-visible,
.footer-lang-link:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 2px;
}

.footer-bottom-divider {
  color: rgba(255, 255, 255, 0.15);
  margin: 0 var(--space-2);
  user-select: none;
}

/* =============================================================================
   RTL Layout Direction Overrides
   ============================================================================= */
.why-feature-text {
  text-align: start;
}

html[dir="rtl"] .hero-visual-svg {
  transform: scaleX(-1);
}

/* =============================================================================
   Responsive Breakpoint Rules (Adaptive Layouts)
   ============================================================================= */

@media (max-width: 1024px) {
  .desktop-nav,
  .nav-actions > .btn {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 767px) {
  
  .grid-3,
  .grid-4,
  .methodology-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* =============================================================================
   Shared Page Components (Phase 4B.2)
   ============================================================================= */

/* Page Banner */
.page-banner {
  background-color: var(--color-primary-950);
  background-image: radial-gradient(var(--color-primary-900) 1px, transparent 0);
  background-size: 24px 24px;
  color: var(--color-text-inverse);
  padding: var(--space-12) 0;
  border-bottom: 3px solid var(--color-secondary-600);
}

.page-banner-title {
  font-size: 2.25rem;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
}

.page-banner-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 720px;
}

html[lang="ar"] .page-banner-title {
  font-size: 2.5rem;
}

/* Breadcrumbs */
.breadcrumbs {
  background-color: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border-main);
  padding: var(--space-3) 0;
  font-size: 0.85rem;
}

.breadcrumbs-list {
  display: flex;
  list-style: none;
  gap: var(--space-2);
  align-items: center;
}

.breadcrumbs-item a {
  color: var(--color-accent-600);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumbs-item a:hover {
  text-decoration: underline;
}

.breadcrumbs-item::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--color-text-muted);
}

html[dir="rtl"] .breadcrumbs-item::after {
  content: "\\";
  margin-left: 0;
  margin-right: var(--space-2);
}

.breadcrumbs-item:last-child::after {
  content: none;
}

.breadcrumbs-item.active {
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Filters & Toolbars */
.filter-toolbar {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
}

.filter-group {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.filter-select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-main);
  font-family: inherit;
  font-size: 0.9rem;
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  cursor: pointer;
}

.filter-select:focus {
  outline: 3px solid var(--color-border-focus);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background-color: var(--color-bg-surface);
  border: 2px dashed var(--color-border-main);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: var(--space-8) auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-900);
}

.empty-state-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Detail layouts */
.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-12);
}

.detail-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.sidebar-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-main);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
}

.sidebar-card h3 {
  border-bottom: 2px solid var(--color-secondary-600);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
}

@media (max-width: 1023px) {
  .detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* Accessible Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-900);
}

.form-input,
.form-textarea {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-main);
  font-family: inherit;
  font-size: 0.95rem;
  background-color: var(--color-bg-surface);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: 3px solid var(--color-border-focus);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Error page layouts */
.error-container {
  max-width: 500px;
  margin: var(--space-16) auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
}

.error-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-secondary-600);
  line-height: 1;
}

.error-title {
  font-size: 1.75rem;
  color: var(--color-primary-900);
}