/* ═══════════════════════════════════════════════════════════
   VEXTALEARN — Main Stylesheet
   Design: Violet → indigo → cyan, drawn directly from the
   VextaLearn mark (the ascending arrow + open book). Premium
   EdTech surface: quiet neutrals, one confident gradient used
   with intent, generous whitespace.
   ═══════════════════════════════════════════════════════════ */

/* ─── Design Tokens ──────────────────────────────────────── */
:root {
  --primary: #6D38E8;          /* Violet — sampled from the logo mark */
  --primary-dark: #4B22B8;
  --primary-700: #34157A;      /* Deep indigo, gradient anchor / dark surfaces */
  --primary-light: #F1EDFD;
  --accent: #17A3E8;           /* Sky cyan — the arrow tip in the logo */
  --accent-warm: #FF6B6B;
  --accent-teal: #17A3E8;
  --dark: #0E1830;             /* Near-black navy — matches the "Learn" wordmark */
  --dark-card: #16234A;
  --surface: #F8F8FC;
  --surface-2: #F1EFFB;
  --text-primary: #14162B;
  --text-secondary: #5B5B72;
  --text-muted: #6E6E85;    /* Raised from #9494A8 → meets WCAG AA on white */
  --border: #E7E5F2;
  --border-dark: #2A2360;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --radius-sm: 8px;             /* chips, tags, badges, dropdown items */
  --radius-md: 10px;            /* secondary icon tiles, .rounded-lg utility */
  --radius: 12px;               /* cards, primary icon tiles, messages */
  --radius-lg: 20px;            /* hero panels, large surfaces */
  --shadow: 0 4px 24px rgba(109,56,232,0.12);
  --shadow-lg: 0 20px 60px rgba(109,56,232,0.20);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  --gradient-brand: linear-gradient(135deg, #6D38E8 0%, #4B22B8 45%, #17A3E8 100%);
  --font-display: 'Sora', -apple-system, sans-serif;
  --font-body: 'Lexend', -apple-system, sans-serif;
}

/* ─── Base ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body > main { flex: 1 0 auto; }

/* ─── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 0;
}

.section-header { margin-bottom: 2rem; }
.section-pad { padding: 80px 0; }

/* ─── Buttons ────────────────────────────────────────────── */
.vxt-btn-primary {
  background: var(--gradient-brand);
  background-size: 160% 160%;
  background-position: 0% 50%;
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition), background-position 0.4s ease;
  box-shadow: 0 4px 15px rgba(109,56,232,0.35);
}

.vxt-btn-primary:hover {
  transform: translateY(-2px);
  background-position: 100% 50%;
  box-shadow: 0 8px 25px rgba(23,163,232,0.4);
  color: #fff;
}

.vxt-btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition);
}

.vxt-btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ─── Navbar ─────────────────────────────────────────────── */
.vxt-navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(109,56,232,0.1);
  padding: 10px 0;
}

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

/* Icon + live-text brand lockup — replaces the old flattened
   logo+wordmark+tagline raster, which went illegible/blurry once
   scaled down to nav/footer height. Text is real HTML so it stays
   crisp at any size and DPI. */
.vx-navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.vx-navbar-mark {
  height: 34px;
  width: auto;
  display: block;
}
.vx-navbar-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1;
}
.vx-navbar-wordmark-accent { color: var(--primary); }

.vxt-navbar .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 16px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.vxt-navbar .nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.notification-badge {
  position: absolute;
  top: 4px; right: 6px;
  width: 18px; height: 18px;
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vxt-dropdown {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 200px;
}

.vxt-dropdown .dropdown-item {
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  padding: 8px 12px;
  transition: var(--transition);
}

.vxt-dropdown .dropdown-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* ─── Flash Messages ────────────────────────────────────── */
.flash-container {
  position: fixed;
  top: 80px; right: 20px;
  z-index: 1046;
  max-width: 380px;
}

.vxt-alert {
  border-radius: var(--radius);
  border: none;
  box-shadow: var(--shadow);
  font-weight: 500;
}

/* ─── Footer ──────────────────────────────────────────────── */
.vxt-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.65);
  padding: 72px 0 28px;
  margin-top: auto;
}

.vxt-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  background: #fff;
  border-radius: var(--radius);
  padding: 10px 16px;
  width: fit-content;
}

.vxt-footer .footer-brand .vx-navbar-mark { height: 28px; }

.vxt-footer .footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 320px;
  margin-bottom: 20px;
}

.vxt-footer .social-links { display: flex; gap: 10px; }

.vxt-footer .social-link {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}

.vxt-footer .social-link:hover {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

.vxt-footer .footer-heading {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}

.vxt-footer .footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }

.vxt-footer .footer-links li { font-size: 0.875rem; color: rgba(255,255,255,0.55); }

.vxt-footer .footer-links a { color: inherit; text-decoration: none; transition: var(--transition); }

.vxt-footer .footer-links a:hover { color: var(--accent); padding-left: 2px; }

.vxt-footer .footer-divider { border-color: rgba(255,255,255,0.1); margin: 48px 0 24px; }

.vxt-footer .footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.vxt-footer .footer-bottom p { margin: 0; }

@media (max-width: 767.98px) {
  /* Belt-and-braces clearance above the fixed bottom nav: body.has-bottom-nav
     already reserves this space via JS, but the footer reserves its own
     minimum clearance too so it's never clipped even if that class is
     applied late (or not at all, e.g. slow JS on a throttled connection). */
  .vxt-footer { padding-bottom: max(72px, calc(56px + var(--vxt-safe-bottom, 0px))); }
}

/* ─── Simple Footer ──────────────────────────────────────────
   Minimal centered footer for every page that isn't one of the
   full-footer marketing/discovery pages (see components/footer_simple.html
   and the {% block footer %} override in base.html for which pages use
   which footer). Intentionally tiny: no grid, no links, no socials.
   Written with literal fallback colors (not var(--dark)/var(--text-muted))
   so it renders identically in shells that don't load main.css's token
   set — e.g. admin/_layout.html, which only loads admin.css. */
.vxt-footer-simple {
  background: #0E1830;
  color: rgba(255,255,255,0.55);
  padding: 20px 16px;
  margin-top: auto;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.6;
}

.vxt-footer-simple p { margin: 0; }

@media (max-width: 767.98px) {
  .vxt-footer-simple { padding-bottom: max(20px, calc(16px + var(--vxt-safe-bottom, 0px))); }
}

/* ─── Hero Section ───────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-700) 55%, #0A1226 100%);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none; /* decorative layer only — was silently blocking clicks on the hero CTAs */
  background-image:
    radial-gradient(circle at 20% 50%, rgba(109,56,232,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(23,163,232,0.1) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='1' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,163,232,0.15);
  border: 1px solid rgba(23,163,232,0.3);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.1;
  font-weight: 400;
}

.hero-title-accent {
  color: var(--accent);
  font-style: italic;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 480px;
}

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }

.hero-cta {
  background: linear-gradient(135deg, var(--accent), #0C7FB0);
  color: var(--dark) !important;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  border: none;
  box-shadow: 0 8px 30px rgba(23,163,232,0.4);
  transition: var(--transition);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(23,163,232,0.5);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-avatars {
  display: flex;
}

.hero-avatars img {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--dark);
  margin-right: -8px;
}

.hero-trust-text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}

/* Hero search + popular searches */
.hero-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 6px 6px 6px 16px;
  margin-top: 24px;
  max-width: 460px;
}

.hero-search-icon { color: rgba(255,255,255,0.5); font-size: 0.9rem; }

.hero-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 8px 0;
}

.hero-search input::placeholder { color: rgba(255,255,255,0.45); }

.hero-search .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.hero-popular-searches {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  max-width: 460px;
}

.hero-popular-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-right: 2px;
}

.hero-popular-chip {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  padding: 5px 14px;
  text-decoration: none;
  transition: var(--transition);
}

.hero-popular-chip:hover {
  background: rgba(255,255,255,0.16);
  color: #fff;
  border-color: rgba(255,255,255,0.24);
}

/* Hero Visual Cards */
.hero-visual {
  position: relative;
  padding: 40px;
}

.hero-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: white;
  transition: var(--transition);
}

.hero-card:hover { transform: translateX(4px); background: rgba(255,255,255,0.12); }
.hero-card-icon { font-size: 2rem; }

.hero-card-title { font-weight: 600; font-size: 0.9rem; }

.hero-card-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.progress-bar-wrapper {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.2);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 100px;
}

.hero-card-cert, .hero-card-earn {
  background: rgba(23,163,232,0.15);
  border-color: rgba(23,163,232,0.25);
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.hero-stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  color: white;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
}

.hero-stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

.min-vh-90 { min-height: 90vh; }

/* ─── Trust Bar ──────────────────────────────────────────── */
.trust-bar {
  background: var(--surface);
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.trust-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.trust-logo:hover { color: var(--primary); }

/* ─── Category Cards ─────────────────────────────────────── */
.col-lg-2-4 { width: 20%; }
@media (max-width: 991.98px) { .col-lg-2-4 { width: 33.33%; } }
@media (max-width: 575.98px) { .col-lg-2-4 { width: 50%; } }

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--cat-color, var(--primary));
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.category-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 15%, transparent);
  color: var(--cat-color, var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.category-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 4px;
}

.category-count {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ─── Category Grid (compact, single-line tiles, corner badge) ── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

@media (max-width: 991.98px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 575.98px) { .category-grid { grid-template-columns: 1fr; gap: 8px; } }

.category-tile {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px 12px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in srgb, var(--cat-color, var(--primary)) 35%, var(--border));
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  min-width: 0;
}

.category-tile:hover {
  border-color: var(--cat-color, var(--primary));
  border-left-color: var(--cat-color, var(--primary));
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.category-tile-icon {
  flex: 0 0 auto;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 15%, transparent);
  color: var(--cat-color, var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.category-tile-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Below 992px, tiles get narrower (3-col, then full-width single column) —
   at that width a truncated name reads worse than a short second line,
   so the name is allowed to wrap instead of ellipsizing. */
@media (max-width: 991.98px) {
  .category-tile-name { white-space: normal; overflow: visible; text-overflow: clip; }
}

/* Small corner badge replaces what used to be a full second text line —
   a subtle muted pill for "Soon", a quieter tinted pill for a real count. */
.category-tile-badge {
  flex: 0 0 auto;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  line-height: 1.4;
  align-self: center;
}

.category-tile-badge-count {
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 12%, transparent);
  color: var(--cat-color, var(--primary));
}

.category-tile-badge-soon {
  background: var(--surface);
  color: var(--text-muted);
  font-weight: 600;
}

/* ─── Top Instructor Cards ───────────────────────────────────── */
.instructor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
}

.instructor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(109,56,232,0.2);
}

.instructor-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin-bottom: 14px;
}

.instructor-name {
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.instructor-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── Course Cards ───────────────────────────────────────── */
.course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(109,56,232,0.2);
}

.course-thumbnail {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--surface);
}

.course-thumbnail img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.course-card:hover .course-thumbnail img { transform: scale(1.05); }

.course-badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
}

.badge-free { background: var(--success); color: white; }
.badge-hot { background: var(--accent-warm); color: white; }

.course-level-badge {
  position: absolute;
  bottom: 12px; right: 12px;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
}

.course-body {
  padding: 20px;
  flex: 1;
}

.course-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 8px;
}

.course-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.3;
}

.course-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.course-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.course-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-current {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.price-original {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 6px;
}

.price-free {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--success);
}

/* ─── How It Works ───────────────────────────────────────── */
.how-step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.how-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 400;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: -8px;
}

.how-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.how-step h5 { font-family: var(--font-display); font-size: 1.15rem; }
.how-step p { font-size: 0.875rem; color: var(--text-secondary); }

/* ─── Success Stories ─────────────────────────────────────── */
.bg-dark-section { background: var(--dark); }

.success-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  color: white;
  transition: var(--transition);
}

.success-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}

.success-card-featured {
  background: linear-gradient(135deg, rgba(109,56,232,0.2), rgba(23,163,232,0.1));
  border-color: rgba(23,163,232,0.3);
}

.success-avatar img {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  margin-bottom: 12px;
}

.success-earning {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.success-card h5 { font-size: 1rem; font-weight: 600; }

.success-role {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.success-quote {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  font-style: italic;
  line-height: 1.6;
}

.success-stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
}

/* ─── Career Center ──────────────────────────────────────── */
.career-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.career-feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.career-feature h6 { font-weight: 600; margin-bottom: 4px; }
.career-feature p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

.career-visual { display: flex; flex-direction: column; gap: 16px; }

.platform-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--platform-color);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}

.platform-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.platform-card > i { font-size: 1.5rem; color: var(--platform-color); }
.platform-card strong { display: block; font-size: 0.9rem; }
.platform-card p { font-size: 0.78rem; color: var(--text-secondary); margin: 0; }
.platform-students { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

/* ─── AI Section ─────────────────────────────────────────── */
.ai-section { background: linear-gradient(135deg, var(--surface) 0%, var(--primary-light) 100%); }

.ai-chat-preview {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.ai-chat-header {
  background: var(--primary);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.ai-avatar {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.ai-chat-header strong { display: block; font-size: 0.9rem; }

.ai-status {
  font-size: 0.7rem;
  color: var(--accent-teal);
  display: block;
}

.ai-messages { padding: 20px; display: flex; flex-direction: column; gap: 12px; }

.ai-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.5;
}

.ai-msg-user {
  background: var(--primary);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.ai-msg-bot {
  background: var(--surface);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-input {
  display: flex;
  padding: 16px;
  gap: 8px;
  border-top: 1px solid var(--border);
}

.ai-input input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.85rem;
  outline: none;
}
.ai-input input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-color: var(--primary);
}

.ai-input button {
  background: var(--primary);
  color: white;
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
}
.ai-input input:disabled,
.ai-input button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ── Coming Soon badge — AI section ──────────────────────── */
.ai-coming-soon-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(109,56,232,0.25);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  vertical-align: middle;
  margin-left: 10px;
  position: relative;
  top: -4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ai-coming-soon-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(109,56,232,0.18);
}

.ai-features { display: flex; flex-direction: column; gap: 20px; }

.ai-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ai-feature span { font-size: 1.5rem; flex-shrink: 0; }
.ai-feature h6 { font-weight: 600; margin-bottom: 4px; }
.ai-feature p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

/* ─── Testimonials ───────────────────────────────────────── */
.bg-soft { background: var(--surface); }

.testimonial-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  height: 100%;
}

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

.testimonial-stars { margin-bottom: 12px; }
.testimonial-text { font-size: 0.875rem; color: var(--text-secondary); font-style: italic; line-height: 1.6; margin-bottom: 20px; }

.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author img { width: 40px; height: 40px; border-radius: 50%; }
.testimonial-author strong { display: block; font-size: 0.875rem; }
.testimonial-author span { font-size: 0.75rem; color: var(--text-muted); }

/* ─── Jobs Preview ───────────────────────────────────────── */
.jobs-preview { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }

.job-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.job-row:last-child { border-bottom: none; }
.job-row:hover { background: var(--surface); }

.job-row-logo {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.job-row-info { flex: 1 1 200px; min-width: 0; }
.job-row-info h6 { margin: 0; font-size: 0.9rem; font-weight: 600; overflow-wrap: break-word; word-break: normal; }
.job-row-info span { font-size: 0.78rem; color: var(--text-secondary); overflow-wrap: break-word; word-break: normal; }

.job-tag {
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 575.98px) {
  .job-row { flex-wrap: wrap; row-gap: 10px; }
  .job-row-logo { order: 1; }
  .job-row-info { order: 2; flex-basis: calc(100% - 64px); }
  .job-tag { order: 3; margin-left: 64px; }
  .job-row > a.btn { order: 4; margin-left: auto; }
}

/* ─── Community Highlights ──────────────────────────────────── */
.community-highlights { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }

.community-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.community-row:last-child { border-bottom: none; }
.community-row:hover { background: var(--surface); }

.community-pin { color: var(--primary); font-size: 0.8rem; flex-shrink: 0; }

.community-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.community-row-info { flex: 1 1 200px; min-width: 0; }
.community-row-info h6 { margin: 0; font-size: 0.9rem; font-weight: 600; color: var(--text-primary); overflow-wrap: break-word; }
.community-row-info span { font-size: 0.78rem; color: var(--text-secondary); }

.community-stat {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 575.98px) {
  .community-row { flex-wrap: wrap; row-gap: 8px; padding: 16px; }
  .community-row-info { flex-basis: calc(100% - 54px); }
}

/* ─── Continue Learning ──────────────────────────────────────── */
.continue-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: var(--transition);
}

.continue-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(109,56,232,0.2);
}

.continue-thumbnail {
  flex: 0 0 auto;
  width: 72px; height: 72px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.continue-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

.continue-body { flex: 1; min-width: 0; }

.continue-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.continue-progress-wrapper { display: flex; align-items: center; gap: 10px; }
.continue-progress-wrapper .progress-bar-wrapper { flex: 1; background: var(--surface-2); }
.continue-progress-label { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; }

/* ─── Dashboard Chrome (student + instructor areas) ─────────── */
.dashboard-header {
  background: var(--gradient-brand);
  padding: 44px 0;
  position: relative;
  overflow: hidden;
}

.dashboard-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.15) 0%, transparent 45%);
}

.dashboard-header .container { position: relative; z-index: 1; }

.stat-number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.04em; }

.vxt-progress {
  height: 8px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
}

.vxt-progress-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 100px;
  transition: width 0.4s ease;
}

.rounded-xl { border-radius: var(--radius-lg) !important; }
.rounded-lg { border-radius: var(--radius-md); }

.course-continue-card { transition: var(--transition); }
.course-continue-card:hover { border-color: var(--primary) !important; box-shadow: var(--shadow); }

.empty-state { color: var(--text-secondary); }

.card.border { border-color: var(--border) !important; }

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  transition: var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ─── Pricing ─────────────────────────────────────────────── */
.pricing-card {
  background: white;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover { border-color: rgba(109,56,232,0.3); box-shadow: var(--shadow); }

.pricing-card-featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-card-featured:hover { transform: scale(1.03) translateY(-4px); }

.pricing-popular {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 14px rgba(109,56,232,0.35);
  white-space: nowrap;
}

.pricing-header { text-align: center; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.pricing-header h4 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.pricing-price { margin-bottom: 10px; }
.pricing-amount { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--text-primary); }
.pricing-period { font-size: 0.85rem; color: var(--text-muted); }
.pricing-header p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

.pricing-features { list-style: none; padding: 0; margin: 0 0 28px; flex: 1; display: flex; flex-direction: column; gap: 14px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.875rem; color: var(--text-secondary); }
.pricing-features li i { color: var(--success); margin-top: 3px; flex-shrink: 0; }

/* ─── Utility ─────────────────────────────────────────────── */
.text-accent { color: var(--accent) !important; }

/* ─── Buttons (light, for dark/gradient backgrounds) ───────── */
.vxt-btn-light {
  background: #fff;
  color: var(--primary-dark);
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  padding: 12px 28px;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.vxt-btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.2); color: var(--primary-dark); }

/* ─── Referral Banner ────────────────────────────────────── */
.referral-section { background: var(--gradient-brand); position: relative; overflow: hidden; }

.referral-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.15) 0%, transparent 45%);
}

.referral-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.referral-content { max-width: 520px; }

.referral-visual { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.referral-step {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.referral-step.referral-earn { background: #fff; color: var(--primary-dark); border-color: transparent; }

.referral-arrow { color: rgba(255,255,255,0.6); font-size: 1.2rem; }

/* ─── FAQ Accordion ──────────────────────────────────────── */
.vxt-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius) !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.vxt-accordion .accordion-button {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  padding: 18px 20px;
  background: #fff;
}

.vxt-accordion .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--primary-light);
  box-shadow: none;
}

.vxt-accordion .accordion-button:focus { box-shadow: 0 0 0 3px rgba(109,56,232,0.15); border-color: transparent; }
.vxt-accordion .accordion-button::after { filter: hue-rotate(220deg) saturate(3); }
.vxt-accordion .accordion-body { padding: 0 20px 20px; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ─── CTA Section ────────────────────────────────────────── */
.cta-section {
  background: var(--dark);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(109,56,232,0.35) 0%, transparent 60%);
}

.cta-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; color: #fff; margin-bottom: 12px; position: relative; }
.cta-subtitle { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 32px; position: relative; }
.cta-actions { position: relative; }
.cta-note { font-size: 0.85rem; }

/* ─── Newsletter ─────────────────────────────────────────── */
.newsletter-section { background: var(--surface); padding: 72px 0; }

.newsletter-card {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (max-width: 575.98px) {
  .newsletter-card { padding: 40px 20px; }
}

.newsletter-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 15%, rgba(23,163,232,0.25) 0%, transparent 45%),
              radial-gradient(circle at 85% 85%, rgba(109,56,232,0.3) 0%, transparent 45%);
}

.newsletter-card > * { position: relative; }

.newsletter-title { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.newsletter-subtitle { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-bottom: 28px; }

.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 440px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form input {
  flex: 1;
  min-width: 220px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-radius: var(--radius);
  padding: 13px 18px;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { border-color: var(--accent); background: rgba(255,255,255,0.1); }

.newsletter-note { font-size: 0.75rem; color: rgba(255,255,255,0.4); margin-top: 16px; }
.newsletter-success { display: none; color: #7CFFB2; font-weight: 600; font-size: 0.9rem; margin-top: 16px; }

/* ═══════════════════════════════════════════════════════════
   PUBLIC WEBSITE PREMIUM POLISH — PHASE 1
   Append-only refinements to existing selectors. No new colors,
   no new radii/shadows tokens, no layout or markup changes —
   only spacing, hierarchy, motion and state polish reusing the
   design tokens already defined in :root above.
   ═══════════════════════════════════════════════════════════ */

/* ─── 1. Hero Section ────────────────────────────────────── */
.hero-section { padding: 128px 0 96px; }

.hero-badge {
  box-shadow: 0 0 0 1px rgba(23,163,232,0.08), 0 4px 16px rgba(23,163,232,0.15);
  letter-spacing: 0.01em;
}

.hero-title {
  font-weight: 300;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero-title-accent { font-weight: 500; }

.hero-subtitle {
  letter-spacing: 0.005em;
  color: rgba(255,255,255,0.8);
}

.hero-actions { gap: 16px; margin-bottom: 36px; }

.hero-cta {
  padding: 15px 34px;
  letter-spacing: 0.01em;
  font-size: 1.02rem;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.25s ease;
}

.hero-cta:active { transform: translateY(-1px) scale(0.98); }

.vxt-btn-outline.hero-cta,
.hero-actions .vxt-btn-outline {
  border-width: 1.5px;
  backdrop-filter: blur(6px);
}

.hero-trust-text { letter-spacing: 0.005em; }

.hero-search {
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  transition: var(--transition);
}

.hero-search:focus-within {
  border-color: rgba(23,163,232,0.45);
  background: rgba(255,255,255,0.09);
}

.hero-card { box-shadow: 0 12px 40px rgba(0,0,0,0.25); }
.hero-card:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.3); }

.hero-stat { transition: var(--transition); }
.hero-stat:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

/* ─── 2. Navigation ──────────────────────────────────────── */
.vxt-navbar { padding: 14px 0; box-shadow: 0 1px 0 rgba(14,24,48,0.04); }

.vx-navbar-wordmark { transition: color 0.2s ease; }

.vxt-navbar .nav-link {
  position: relative;
  padding: 10px 18px !important;
  margin: 0 2px;
}

.vxt-navbar .nav-link::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}

.vxt-navbar .nav-link:hover::after,
.vxt-navbar .nav-link.active::after { transform: scaleX(1); }

.vxt-navbar .nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
}

.nav-avatar { transition: var(--transition); }
.nav-avatar:hover { border-color: var(--accent); transform: scale(1.05); }

.vxt-dropdown { animation: vxtDropdownIn 0.18s ease; }

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

.navbar-toggler {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  transition: var(--transition);
}

.navbar-toggler:hover { border-color: var(--primary) !important; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(109,56,232,0.15) !important; }

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .vxt-navbar .nav-link { padding: 12px 14px !important; margin: 0; }
  .vxt-navbar .nav-link::after { display: none; }
  .vxt-navbar .nav-link.active { background: var(--primary-light); border-radius: var(--radius-sm); }
}

/* ─── 3. Course Cards ────────────────────────────────────── */
.course-card {
  box-shadow: 0 2px 10px rgba(14,24,48,0.05);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.course-card:hover { transform: translateY(-8px); }

.course-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,24,48,0.28) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.course-card:hover .course-thumbnail::after { opacity: 1; }

.course-badge { letter-spacing: 0.03em; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.course-level-badge { backdrop-filter: blur(6px); letter-spacing: 0.02em; }

.course-category { opacity: 0.9; }

.course-title {
  font-weight: 500;
  transition: color 0.2s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card:hover .course-title { color: var(--primary); }

.course-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-meta { opacity: 0.85; font-weight: 500; }

.course-footer { background: linear-gradient(180deg, transparent, rgba(248,248,252,0.5)); }

.price-current { letter-spacing: -0.01em; }
.price-free { letter-spacing: -0.01em; }

.instructor-card, .success-card, .stat-card, .platform-card, .pricing-card, .category-card, .category-tile {
  will-change: transform;
}

/* ─── 4. Sections ─────────────────────────────────────────── */
.section-pad { padding: 96px 0; }

.section-label { box-shadow: 0 1px 0 rgba(109,56,232,0.05) inset; }

.section-title { font-weight: 300; letter-spacing: -0.025em; text-wrap: balance; }

.section-subtitle { line-height: 1.65; }

.section-header { margin-bottom: 3rem; }

@media (max-width: 767.98px) {
  .section-pad { padding: 64px 0; }
  .section-header { margin-bottom: 2rem; }
}

/* ─── 5. Buttons ──────────────────────────────────────────── */
.vxt-btn-primary,
.vxt-btn-outline,
.vxt-btn-light {
  letter-spacing: 0.01em;
  transition: transform 0.22s cubic-bezier(0.4,0,0.2,1), box-shadow 0.22s ease, background 0.3s ease, color 0.22s ease, background-position 0.4s ease;
}

.vxt-btn-primary:active,
.vxt-btn-light:active { transform: translateY(0) scale(0.97); }

.vxt-btn-outline:active { transform: translateY(0) scale(0.97); background: var(--primary-dark); border-color: var(--primary-dark); }

.vxt-btn-primary:focus-visible,
.vxt-btn-outline:focus-visible,
.vxt-btn-light:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(109,56,232,0.25);
}

.vxt-btn-primary:disabled,
.vxt-btn-outline:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ─── 6. Forms ────────────────────────────────────────────── */
.form-control,
.form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text-primary);
  background-color: #fff;
  transition: var(--transition);
}

.form-control:hover,
.form-select:hover { border-color: rgba(109,56,232,0.35); }

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(109,56,232,0.12);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { line-height: 1.6; resize: vertical; min-height: 120px; }

.form-label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-check-input {
  border: 1.5px solid var(--border);
  transition: var(--transition);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-input:focus { box-shadow: 0 0 0 3px rgba(109,56,232,0.15); border-color: var(--primary); }

.form-check-label { font-size: 0.875rem; color: var(--text-secondary); }

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--danger);
  background-image: none;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239,68,68,0.14); }

.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--success);
  background-image: none;
}

.form-control.is-valid:focus,
.form-select.is-valid:focus { box-shadow: 0 0 0 3px rgba(16,185,129,0.14); }

.invalid-feedback { font-size: 0.8rem; color: var(--danger); font-weight: 500; margin-top: 4px; }
.valid-feedback { font-size: 0.8rem; color: var(--success); font-weight: 500; margin-top: 4px; }

.form-text { font-size: 0.78rem; color: var(--text-muted); }

/* ─── 7. Footer ───────────────────────────────────────────── */
.vxt-footer { padding: 88px 0 32px; }

.vxt-footer .footer-brand { transition: transform 0.2s ease; }

.vxt-footer .footer-heading { letter-spacing: 0.06em; opacity: 0.95; }

.vxt-footer .footer-links { gap: 14px; }

.vxt-footer .footer-links a:hover { padding-left: 4px; }

.vxt-footer .footer-desc { line-height: 1.75; }

.vxt-footer .footer-bottom { letter-spacing: 0.01em; }

@media (max-width: 575.98px) {
  .vxt-footer { padding: 64px 0 28px; }
  .vxt-footer .footer-divider { margin: 36px 0 20px; }
}

/* ─── 8. Empty States ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 56px 24px;
}

.empty-state i,
.empty-state svg {
  font-size: 2.75rem;
  color: var(--border-dark, var(--border));
  opacity: 0.5;
  margin-bottom: 16px;
}

.empty-state h5,
.empty-state h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p { max-width: 420px; margin-left: auto; margin-right: auto; margin-bottom: 20px; }

.empty-state .vxt-btn-primary,
.empty-state .vxt-btn-outline { padding: 11px 28px; }

/* ─── 9. Mobile / Responsive Polish ──────────────────────── */
@media (max-width: 1024px) {
  .hero-section { padding: 108px 0 80px; }
}

@media (max-width: 767.98px) {
  .hero-section { padding: 96px 0 64px; min-height: unset; }
  .hero-title { line-height: 1.15; }
  .hero-subtitle { max-width: 100%; }
  .hero-actions { gap: 12px; margin-bottom: 28px; }
  .hero-cta { width: 100%; text-align: center; padding: 14px 24px; }
  .hero-actions .vxt-btn-outline { width: 100%; text-align: center; }
  .hero-search { max-width: 100%; }
  .hero-popular-searches { max-width: 100%; }
  .hero-visual { padding: 16px; }
  .course-body { padding: 16px; }
  .course-footer { padding: 14px 16px; }
  .pricing-card-featured { transform: none; }
  .pricing-card-featured:hover { transform: translateY(-4px); }
}

@media (max-width: 430px) {
  .hero-title { font-size: clamp(2rem, 8vw, 2.6rem); }
  .hero-badge { font-size: 0.72rem; padding: 5px 12px; }
  .section-title { font-size: clamp(1.5rem, 6vw, 1.9rem); }
  .cta-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .stat-number { font-size: 1.6rem; }
  .newsletter-card { padding: 32px 18px; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { min-width: 100%; }
}

@media (max-width: 390px) {
  .section-pad { padding: 48px 0; }
  .hero-section { padding: 88px 0 56px; }
  .course-thumbnail { padding-top: 58%; }
}

@media (max-width: 360px) {
  .hero-badge { font-size: 0.68rem; padding: 4px 10px; }
  .hero-cta { padding: 13px 20px; font-size: 0.92rem; }
  .vxt-footer { padding: 56px 0 24px; }
}

@media (max-width: 320px) {
  .hero-title { font-size: 1.8rem; }
  .section-title { font-size: 1.4rem; }
  .course-body { padding: 14px; }
}

@media (min-width: 1440px) {
  .section-pad { padding: 120px 0; }
  .hero-section { padding: 140px 0 108px; }
  .hero-title { font-size: 4.4rem; }
}

/* ═══════════════════════════════════════════════════════════
   Payment History — premium UI refinement
   Scope: app/templates/payments/history.html only. No backend
   change; this is presentation only. Every rule below is built
   from tokens already declared in :root above (--primary,
   --success, --warning, --danger, --radius*, --shadow, --border,
   --text-*, --transition, --font-*) — no new colors introduced.
   Namespaced under .pmt- so nothing here can collide with
   .stu-*/.instr-*/.admin-* (separate stylesheets, separate pages).
   ═══════════════════════════════════════════════════════════ */

/* ─── Summary cards ──────────────────────────────────────── */
.pmt-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.pmt-summary-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}
.pmt-summary-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }

.pmt-summary-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
}
.pmt-summary-icon.pmt-i-primary { background: rgba(109,56,232,0.1); color: var(--primary); }
.pmt-summary-icon.pmt-i-success { background: rgba(16,185,129,0.12); color: var(--success); }
.pmt-summary-icon.pmt-i-warning { background: rgba(245,158,11,0.12); color: var(--warning); }
.pmt-summary-icon.pmt-i-danger  { background: rgba(239,68,68,0.12);  color: var(--danger); }

.pmt-summary-value { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; line-height: 1.1; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.pmt-summary-label { font-size: 0.76rem; color: var(--text-muted); margin-top: 3px; }

/* ─── Toolbar: search + status filter ───────────────────── */
.pmt-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.pmt-search {
  position: relative;
  flex: 1 1 240px;
  min-width: 0;
}
.pmt-search i {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.85rem; pointer-events: none;
}
.pmt-search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: var(--font-body);
  background: var(--surface);
  transition: var(--transition);
}
.pmt-search input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(109,56,232,0.1);
}

.pmt-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.pmt-filter-chip {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.pmt-filter-chip:hover { border-color: var(--primary); color: var(--primary); }
.pmt-filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pmt-filter-chip:active { transform: scale(0.96); }

/* ─── Table card ─────────────────────────────────────────── */
.pmt-table-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.pmt-table-scroll { overflow-x: auto; max-height: 640px; }

.pmt-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

.pmt-table thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.pmt-table tbody tr { transition: background 0.15s ease; border-bottom: 1px solid var(--border); }
.pmt-table tbody tr:last-child { border-bottom: none; }
.pmt-table tbody tr:hover { background: var(--surface); }
.pmt-table tbody tr.pmt-row-hidden { display: none; }

.pmt-table td { padding: 16px 18px; vertical-align: middle; }

.pmt-course-cell { display: flex; align-items: center; gap: 12px; min-width: 220px; }
.pmt-course-thumb {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  object-fit: cover; flex-shrink: 0; background: var(--surface-2);
}
.pmt-course-thumb-fallback {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.95rem;
}
.pmt-course-title { font-weight: 600; color: var(--text-primary); line-height: 1.3; }
.pmt-course-title a { color: inherit; text-decoration: none; }
.pmt-course-title a:hover { color: var(--primary); }

.pmt-amount { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); font-variant-numeric: tabular-nums; white-space: nowrap; }

.pmt-method { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; text-transform: capitalize; }
.pmt-method i { color: var(--text-muted); font-size: 0.8rem; }

.pmt-ref { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 0.74rem; color: var(--text-muted); background: var(--surface); padding: 3px 8px; border-radius: var(--radius-sm); }

.pmt-date { color: var(--text-muted); font-size: 0.82rem; white-space: nowrap; }
.pmt-date small { display: block; font-size: 0.72rem; color: var(--text-muted); opacity: 0.8; }

/* ─── Status badges ──────────────────────────────────────── */
.pmt-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.01em;
  padding: 5px 11px; border-radius: 999px; line-height: 1.4;
  white-space: nowrap;
}
.pmt-badge i { font-size: 0.55rem; }
.pmt-badge-success { background: rgba(16,185,129,0.12); color: #067A55; }
.pmt-badge-pending { background: rgba(245,158,11,0.14); color: #92400E; }
.pmt-badge-failed  { background: rgba(239,68,68,0.12); color: #B91C1C; }
.pmt-badge-refunded { background: rgba(109,56,232,0.1); color: var(--primary-dark); }
.pmt-badge-default { background: var(--surface); color: var(--text-muted); border: 1px solid var(--border); }

/* ─── Empty / no-results states ──────────────────────────── */
.pmt-empty { text-align: center; padding: 72px 24px; }
.pmt-empty-icon {
  width: 64px; height: 64px; margin: 0 auto 18px;
  border-radius: 50%; background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.pmt-empty h5 { font-family: var(--font-display); font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.pmt-empty p { color: var(--text-muted); font-size: 0.9rem; max-width: 360px; margin: 0 auto; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pmt-summary-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
  .pmt-toolbar { flex-direction: column; align-items: stretch; }
  .pmt-filters { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
}

@media (max-width: 430px) {
  .pmt-summary-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .pmt-summary-card { padding: 14px 16px; gap: 10px; }
  .pmt-summary-icon { width: 36px; height: 36px; font-size: 0.9rem; }
  .pmt-summary-value { font-size: 1.1rem; }
  .pmt-table td, .pmt-table thead th { padding: 12px 14px; }
}

@media (max-width: 390px) {
  .pmt-summary-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
  .pmt-summary-grid { grid-template-columns: 1fr; }
}

@media (max-width: 320px) {
  .pmt-summary-card { flex-direction: column; text-align: center; }
}