/* ==========================================================================
   XX Education — Responsive (Premium Upgrade)
   ========================================================================== */

/* Hide mobile-only CTA bar by default (only shown on mobile via .visible class) */
.mobile-cta-bar { display: none; }

/* ---------- Tablet & below (1024px) ---------- */
@media (max-width: 1024px) {
  :root {
    --gutter: 20px;
    --nav-h: 64px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pillars .pillar.lg,
  .pillars .pillar.md,
  .pillars .pillar.sm { grid-column: span 6; }

  .data-wall { grid-template-columns: 1fr; gap: 48px; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-img-wrap { aspect-ratio: 16/10; max-width: 600px; margin: 0 auto; }

  .consultants-grid { grid-template-columns: repeat(2, 1fr); }

  .timeline::before { left: 24px; }
  .timeline-item { grid-template-columns: 24px 1fr; gap: 32px; }
  .timeline-item .timeline-empty { display: none; }
  .timeline-item .timeline-content { order: 2; }
  .timeline-item:nth-child(even) .timeline-content { order: 2; }
  .timeline-marker { width: 48px; height: 48px; font-size: 18px; }
  .timeline-content::after { left: -16px !important; right: auto !important; }

  .case-grid { grid-template-columns: 1fr; }
  .case-card { padding: 28px 24px; }
  .case-card-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .case-card-stamp { align-items: flex-start; flex-direction: row; gap: 12px; }
  .case-meta { grid-template-columns: 1fr; gap: 16px; }
  .case-opening-quote { padding-left: 28px; }
  .case-opening-mark { font-size: 36px; left: 4px; top: -8px; }
  .case-tabs { width: 100%; overflow-x: auto; }
  .case-tab { padding: 12px 20px; font-size: 13px; }
  .case-tab-count { display: none; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero-stat { padding: 20px; }

  .quote-block { padding: 60px 32px; }
  .quote-block::before { font-size: 180px; left: 20px; }

  /* Disable tilt on tablet */
  .pillar, .ticket, .consultant-card { transform: none !important; }

  /* Cursor glow hidden on touch */
  .cursor-glow { display: none !important; }
}

/* ---------- Tablet portrait (768px) ---------- */
@media (max-width: 768px) {
  :root {
    --gutter: 18px;
  }

  .topbar { font-size: 10px; }
  .topbar-item { gap: 8px; }
  .topbar-track { gap: 40px; }

  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .pillars .pillar.lg,
  .pillars .pillar.md,
  .pillars .pillar.sm { grid-column: span 12; }

  .match-form { grid-template-columns: 1fr; }
  .match-field.full { grid-column: span 1; }
  .match-tool { padding: 24px; }

  .match-result-tier { grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .match-tier-rate { text-align: left; font-size: 18px; }

  .consultants-grid { grid-template-columns: 1fr 1fr; }

  .admission-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .ticket { flex: 0 0 280px; height: 180px; padding: 20px; }
  .ticket-school { font-size: 18px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }

  .case-card { padding: 24px 20px; }
  .case-card-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .case-card-stamp { align-items: flex-start; flex-direction: row; gap: 10px; }
  .case-meta { grid-template-columns: 1fr; gap: 14px; padding: 14px 0; }
  .case-opening-mark { font-size: 32px; }
  .case-school { font-size: 18px; }
  .case-card-logo { width: 44px; height: 44px; font-size: 10px; }
  .case-tabs { padding: 4px; }
  .case-tab { padding: 10px 16px; font-size: 12px; gap: 6px; }
  .case-tab-count { display: none; }

  .data-grid { grid-template-columns: 1fr; }
  .data-cell { border-right: 0 !important; }
  .data-cell:nth-last-child(2) { border-bottom: 1px solid var(--line-on-dark-2); }

  .cmp-table { font-size: 13px; }
  .cmp-table th, .cmp-table td { padding: 12px; }

  .timeline-content { padding: 24px; }
  .timeline-title { font-size: 18px; }

  .quote-block { padding: 48px 24px; }
  .quote-block::before { font-size: 120px; left: 10px; }
  .quote-block-text { font-size: 20px; }
  .quote-block-cn { font-size: 15px; }

  .cta-section { padding: 80px 0; }

  .section { padding: 64px 0; }
  .section.tight { padding: 48px 0; }

  .page-indicator { font-size: 10px; padding: 6px 10px; bottom: 16px; right: 16px; }
  .scroll-progress { height: 2px; }

  /* Hero stat cards stack */
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero-stat { padding: 16px; }
  .hero-stat-value { font-size: 28px; }

  /* Mobile nav bottom spacing for CTA bar */
  body { padding-bottom: 0; }
  .mobile-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 80;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line-on-dark);
    padding: 12px 16px;
    gap: 8px;
  }
  .mobile-cta-bar.visible { display: flex; }
  .mobile-cta-bar a {
    flex: 1;
    padding: 12px 8px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--cream);
    border: 1px solid var(--line-on-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 4px;
    transition: all var(--dur) var(--ease);
  }
  .mobile-cta-bar a.primary {
    background: var(--gradient-gold);
    color: var(--ink);
    border-color: var(--gold);
  }

  /* Page transition overlay */
  .page-transition {
    display: none;
  }

  /* Disable parallax on mobile */
  [data-parallax] { transform: none !important; }

  /* Hero particles hidden on mobile for performance */
  .hero-particles { display: none !important; }
}

/* ---------- Mobile small (480px) ---------- */
@media (max-width: 480px) {
  :root {
    --gutter: 16px;
  }

  .topbar { display: none; }

  .hero { min-height: auto; padding: 48px 0 64px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; margin-bottom: 28px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }

  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px 0; }
  .hero-stat-value { font-size: 26px; }
  .hero-stat { padding: 14px; }

  h1, .cn-h1 { font-size: 32px; }
  h2, .cn-h2 { font-size: 26px; }
  h3, .cn-h3 { font-size: 20px; }

  .section-num-large { font-size: 40px; }

  .pillar { padding: 24px; min-height: auto; }

  .data-value { font-size: 36px; }
  .data-cell { padding: 24px; }

  .quote-block-text { font-size: 18px; }
  .quote-block-cn { font-size: 14px; }

  .ticket { flex: 0 0 260px; height: 170px; }
  .ticket-school { font-size: 17px; }

  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { justify-content: center; }
  .btn.btn-lg { padding: 16px 32px; }

  .footer-bottom-links { flex-direction: column; gap: 8px; }

  .breadcrumb { font-size: 10px; }
  .page-header { padding: 56px 0 64px; }
  .page-header h1 { font-size: 32px; }

  /* Consultant grid single column on small mobile */
  .consultants-grid { grid-template-columns: 1fr; }

  /* Smaller section padding */
  .section { padding: 48px 0; }
  .section.tight { padding: 36px 0; }

  /* Match tool compact */
  .match-tool { padding: 20px; }
  .match-tool::before { width: 3px; }

  /* FAQ compact */
  .faq-question { font-size: 16px; padding: 20px 0; }
  .faq-answer-inner { padding: 0 0 20px 20px; }

  /* Page indicator hidden on very small screens */
  .page-indicator { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .ticker-track, .topbar-track { animation: none; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-particles { display: none !important; }
  .cursor-glow { display: none !important; }
  .page-transition { display: none !important; }
}

/* ---------- Print ---------- */
@media print {
  .nav, .footer, .topbar, .page-indicator, .scroll-progress, .mobile-cta-bar,
  .hero-particles, .cursor-glow, .page-transition { display: none !important; }
  body { background: white; color: black; }
  .section { padding: 24px 0; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}