/* ═══════════════════════════════════════════════════════════════════════════
   TRIVISION ACADEMY — Design System
   Inspired by AltAcademy.org: clean, trustworthy, child-friendly EdTech
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CUSTOM PROPERTIES ───────────────────────────────────────────────────── */
:root {
    /* Colors */
    --primary:       #4F46E5;
    --primary-dark:  #3730A3;
    --primary-light: #EEF2FF;
    --accent:        #10B981;
    --accent-dark:   #059669;
    --coral:         #FF6B6B;
    --warning:       #F59E0B;
  
    --bg:            #FFFFFF;
    --bg-alt:        #F9FAFB;
    --bg-card:       #FFFFFF;
  
    --text-head:     #1E293B;
    --text-body:     #475569;
    --text-muted:    #94A3B8;
  
    --border:        #E2E8F0;
    --border-focus:  #4F46E5;
  
    --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
    --shadow-md:     0 4px 16px rgba(0,0,0,.08);
    --shadow-lg:     0 8px 32px rgba(0,0,0,.1);
    --shadow-xl:     0 20px 60px rgba(0,0,0,.12);
  
    /* Typography */
    --font-head:     'Plus Jakarta Sans', sans-serif;
    --font-body:     'Inter', sans-serif;
  
    /* Spacing */
    --section-gap:   96px;
    --card-radius:   12px;
    --btn-radius:    8px;
  
    /* Transitions */
    --ease:          cubic-bezier(.4,0,.2,1);
    --dur:           220ms;
  }
  
  /* ─── RESET & BASE ───────────────────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  
  html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  
  body {
    font-family: var(--font-body);
    color: var(--text-body);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  
  img, video { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  ul, ol { list-style: none; }
  button { cursor: pointer; border: none; background: none; font-family: inherit; }
  input, textarea, select { font-family: inherit; }
  
  /* ─── LAYOUT UTILITIES ───────────────────────────────────────────────────── */
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  .section { padding: var(--section-gap) 0; }
  .section-alt { background: var(--bg-alt); }
  
  .section-header {
    text-align: center;
    margin-bottom: 56px;
  }
  .section-header .eyebrow {
    display: inline-block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 14px;
    border-radius: 99px;
    margin-bottom: 16px;
  }
  .section-header h2 {
    font-family: var(--font-head);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-head);
    line-height: 1.2;
    margin-bottom: 16px;
  }
  .section-header p {
    max-width: 560px;
    margin: 0 auto;
    font-size: 1.05rem;
    color: var(--text-body);
  }
  
  /* ─── GRID UTILITIES ─────────────────────────────────────────────────────── */
  .grid { display: grid; gap: 24px; }
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  .grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  
  /* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
  h1, h2, h3, h4, h5 {
    font-family: var(--font-head);
    color: var(--text-head);
    line-height: 1.2;
  }
  
  /* ─── BUTTONS ────────────────────────────────────────────────────────────── */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--btn-radius);
    font-family: var(--font-body);
    font-size: .95rem;
    font-weight: 500;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
  }
  
  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79,70,229,.25);
  }
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(79,70,229,.35);
  }
  
  .btn-ghost {
    background: transparent;
    color: var(--text-head);
    border: 1.5px solid var(--border);
  }
  .btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
  }
  
  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(16,185,129,.25);
  }
  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
  }
  
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
  .btn-sm { padding: 7px 14px; font-size: .85rem; }
  .w-full  { width: 100%; justify-content: center; }
  
  /* ─── CARDS ──────────────────────────────────────────────────────────────── */
  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  /* ─── BADGES ─────────────────────────────────────────────────────────────── */
  .badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: .75rem;
    font-weight: 600;
    line-height: 1.5;
  }
  .badge-primary  { background: var(--primary-light); color: var(--primary); }
  .badge-accent   { background: #D1FAE5; color: var(--accent-dark); }
  .badge-coral    { background: #FFE4E4; color: #C0392B; }
  .badge-warning  { background: #FEF3C7; color: #92400E; }
  
  /* ─── FORM ELEMENTS ──────────────────────────────────────────────────────── */
  .form-group { margin-bottom: 20px; }
  .form-group label {
    display: block;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-head);
    margin-bottom: 6px;
  }
  .form-group label .required { color: var(--coral); margin-left: 2px; }
  
  .form-control {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: .95rem;
    color: var(--text-head);
    background: var(--bg);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    outline: none;
  }
  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.12);
  }
  .form-control::placeholder { color: var(--text-muted); }
  .form-control.is-invalid   { border-color: var(--coral); }
  .form-error { font-size: .8rem; color: var(--coral); margin-top: 4px; }
  .form-success { font-size: .9rem; color: var(--accent-dark); margin-top: 8px; font-weight: 500; }
  
  /* ─── NAVBAR ─────────────────────────────────────────────────────────────── */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--dur) var(--ease);
  }
  .navbar.scrolled { box-shadow: var(--shadow-md); }
  
  .nav-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
  }
  
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 1.1rem;
  }
  .logo-text {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-head);
  }
  .logo-accent { color: var(--primary); }
  
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
  }
  .nav-link {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-body);
    transition: color var(--dur), background var(--dur);
  }
  .nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
  }
  
  .nav-actions { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

  /* Auth-aware nav: logged-in user pill */
  .nav-user-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px 5px 5px;
    border-radius: 99px;
    border: 1.5px solid var(--border);
    background: var(--bg);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-head);
    transition: border-color var(--dur), background var(--dur);
  }
  .nav-user-pill:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
  }
  .nav-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .nav-user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  /* Hamburger */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    transition: background var(--dur);
    margin-left: auto;
  }
  .hamburger:hover { background: var(--bg-alt); }
  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-head);
    border-radius: 2px;
    transition: all var(--dur) var(--ease);
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  
  /* Mobile menu */
  .mobile-menu {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 16px 0;
  }
  .mobile-menu[hidden] { display: none; }
  .mobile-link {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-head);
    transition: background var(--dur), color var(--dur);
  }
  .mobile-link:hover, .mobile-link.active {
    background: var(--primary-light);
    color: var(--primary);
  }
  .mobile-auth {
    display: flex;
    gap: 10px;
    padding: 16px 24px 8px;
    flex-direction: column;
  }
  
  /* ─── HERO ───────────────────────────────────────────────────────────────── */
  .hero {
    padding: 80px 0 96px;
    background: linear-gradient(135deg, #F0F4FF 0%, #FAFFFE 60%, #F0FDF4 100%);
    overflow: hidden;
    position: relative;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -120px; right: -120px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(79,70,229,.08) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(16,185,129,.06) 0%, transparent 70%);
    pointer-events: none;
  }
  
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
    position: relative;
    z-index: 1;
  }
  
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 99px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    margin-bottom: 20px;
  }
  .hero-eyebrow-dot {
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
  }
  
  @keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
  }
  
  .hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -.02em;
  }
  .hero h1 .highlight {
    color: var(--primary);
    position: relative;
  }
  .hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 0; right: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    opacity: .5;
  }
  .hero-sub {
    font-size: 1.1rem;
    color: var(--text-body);
    margin-bottom: 32px;
    line-height: 1.7;
  }
  .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
  .hero-note {
    margin-top: 24px;
    font-size: .825rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .hero-note svg { color: var(--accent); }
  
  .hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
  }
  .hero-dashboard {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    padding: 24px;
    width: 100%;
    max-width: 420px;
    animation: float 6s ease-in-out infinite;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
  }
  .db-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
  }
  .db-avatar {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
  }
  .db-info strong { display: block; font-size: .9rem; color: var(--text-head); font-weight: 600; }
  .db-info span   { font-size: .78rem; color: var(--text-muted); }
  .db-courses { display: flex; flex-direction: column; gap: 10px; }
  .db-course {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    background: var(--bg-alt);
  }
  .db-course-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
  }
  .db-course-name { font-size: .85rem; font-weight: 600; color: var(--text-head); margin-bottom: 4px; }
  .progress-bar {
    height: 5px;
    background: var(--border);
    border-radius: 99px;
    overflow: hidden;
  }
  .progress-fill {
    height: 100%;
    border-radius: 99px;
    background: var(--primary);
    transition: width 1s ease;
  }
  .db-stat {
    display: flex;
    gap: 10px;
    margin-top: 16px;
  }
  .db-stat-item {
    flex: 1;
    text-align: center;
    padding: 10px;
    background: var(--primary-light);
    border-radius: 8px;
  }
  .db-stat-item .val { font-size: 1.2rem; font-weight: 700; color: var(--primary); display: block; }
  .db-stat-item .lbl { font-size: .7rem; color: var(--text-muted); }
  
  /* ─── STATS BANNER ───────────────────────────────────────────────────────── */
  .stats-banner {
    background: var(--primary);
    padding: 40px 0;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
  }
  .stat-item .num {
    font-family: var(--font-head);
    font-size: 2.25rem;
    font-weight: 800;
    color: #fff;
    display: block;
  }
  .stat-item .lbl { font-size: .875rem; color: rgba(255,255,255,.75); }
  
  /* ─── FEATURES ───────────────────────────────────────────────────────────── */
  .feature-card {
    padding: 28px;
  }
  .feature-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.4rem;
  }
  .feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .feature-card p { font-size: .9rem; line-height: 1.6; }
  
  /* ─── HOW IT WORKS ───────────────────────────────────────────────────────── */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
  }
  .steps-grid::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(16.67% + 28px);
    right: calc(16.67% + 28px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 0;
  }
  .step-card { text-align: center; position: relative; z-index: 1; }
  .step-num {
    width: 56px; height: 56px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    border: 4px solid var(--bg);
    box-shadow: 0 0 0 2px var(--primary);
  }
  .step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
  .step-card p  { font-size: .875rem; }
  
  /* ─── PRICING ────────────────────────────────────────────────────────────── */
  .pricing-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
  }
  .toggle-label { font-size: .9rem; font-weight: 500; color: var(--text-body); }
  .toggle-label.active { color: var(--primary); font-weight: 600; }
  .toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
  }
  .toggle-switch input { opacity: 0; width: 0; height: 0; }
  .toggle-track {
    position: absolute;
    inset: 0;
    background: var(--primary);
    border-radius: 99px;
    cursor: pointer;
    transition: background var(--dur);
  }
  .toggle-track::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 20px; height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--dur) var(--ease);
  }
  .toggle-switch input:checked + .toggle-track::after { transform: translateX(22px); }
  
  .pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
  }
  .pricing-card {
    padding: 32px;
    position: relative;
  }
  .pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary), var(--shadow-lg);
    transform: scale(1.03);
  }
  .popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 99px;
    white-space: nowrap;
  }
  .pricing-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
  .pricing-card .price {
    font-family: var(--font-head);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-head);
    margin: 16px 0;
  }
  .pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
  .pricing-features { margin: 20px 0; display: flex; flex-direction: column; gap: 10px; }
  .pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
  }
  .pricing-features li::before {
    content: '';
    width: 18px; height: 18px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
  }
  
  /* ─── TESTIMONIALS ───────────────────────────────────────────────────────── */
  .testimonials-wrap { overflow: hidden; position: relative; }
  .testimonials-track {
    display: flex;
    gap: 24px;
    transition: transform .5s var(--ease);
  }
  .testimonial-card {
    min-width: 300px;
    padding: 28px;
    flex-shrink: 0;
  }
  .stars { color: var(--warning); font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
  .testimonial-card blockquote {
    font-size: .95rem;
    line-height: 1.65;
    margin-bottom: 16px;
    color: var(--text-head);
  }
  .testimonial-card cite {
    font-style: normal;
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-muted);
  }
  .carousel-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 24px;
  }
  .carousel-dot {
    width: 8px; height: 8px;
    border-radius: 99px;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all var(--dur);
  }
  .carousel-dot.active { width: 24px; background: var(--primary); }
  
  /* ─── CTA BANNER ─────────────────────────────────────────────────────────── */
  .cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, #6D28D9 100%);
    color: #fff;
    text-align: center;
    padding: 80px 0;
  }
  .cta-banner h2 {
    color: #fff;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 12px;
  }
  .cta-banner p { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 32px; }
  .cta-banner .btn-primary { background: #fff; color: var(--primary); }
  .cta-banner .btn-primary:hover { background: var(--primary-light); }
  .cta-banner .btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
  .cta-banner .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
  
  /* ─── FOOTER ─────────────────────────────────────────────────────────────── */
  .footer {
    background: var(--text-head);
    color: rgba(255,255,255,.7);
    padding: 64px 0 32px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
  }
  .footer-brand .nav-logo .logo-text { color: #fff; }
  .footer-brand .logo-accent { color: var(--accent); }
  .footer-brand p {
    margin-top: 16px;
    font-size: .875rem;
    line-height: 1.7;
  }
  .footer-social { display: flex; gap: 10px; margin-top: 20px; }
  .social-btn {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.7);
    transition: all var(--dur);
  }
  .social-btn:hover { background: var(--primary); color: #fff; }
  .social-btn.whatsapp:hover { background: #25D366; }
  
  .footer-col h3 {
    font-family: var(--font-head);
    font-size: .875rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 16px;
  }
  .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
  .footer-col a {
    font-size: .875rem;
    color: rgba(255,255,255,.6);
    transition: color var(--dur);
  }
  .footer-col a:hover { color: #fff; }
  .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .875rem;
  }
  .footer-contact svg { margin-top: 2px; flex-shrink: 0; opacity: .6; }
  
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .8rem;
  }
  .footer-legal { display: flex; gap: 20px; }
  .footer-legal a { color: rgba(255,255,255,.5); }
  .footer-legal a:hover { color: #fff; }
  
  /* ─── PAGE HERO (inner pages) ────────────────────────────────────────────── */
  .page-hero {
    background: linear-gradient(135deg, #F0F4FF 0%, #F9FAFB 100%);
    padding: 60px 0 64px;
    text-align: center;
    border-bottom: 1px solid var(--border);
  }
  .page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.75rem); margin-bottom: 12px; }
  .page-hero p  { font-size: 1.05rem; color: var(--text-body); max-width: 560px; margin: 0 auto; }
  .breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
  }
  .breadcrumb a { color: var(--primary); }
  .breadcrumb svg { width: 14px; }
  
  /* ─── COURSE CARD ────────────────────────────────────────────────────────── */
  .course-card { overflow: hidden; }
  .course-thumb {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    border-radius: var(--card-radius) var(--card-radius) 0 0;
  }
  .course-body { padding: 20px; }
  .course-body h3 { font-size: 1rem; font-weight: 700; margin: 8px 0; }
  .course-body p  { font-size: .85rem; color: var(--text-body); margin-bottom: 16px; }
  .course-meta {
    display: flex;
    gap: 12px;
    font-size: .8rem;
    color: var(--text-muted);
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
  }
  .course-meta svg { width: 14px; }

  /* ─── COURSES PAGE — FILTER BAR ──────────────────────────────────────────── */
  .courses-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
  }

  .filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    border-radius: 99px;
    border: 1.5px solid var(--border);
    background: var(--bg);
    font-family: var(--font-body);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-body);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
  }
  .filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
  }
  .filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79,70,229,.25);
  }
  .filter-btn.active .filter-count {
    background: rgba(255,255,255,.25);
    color: #fff;
  }

  .filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 99px;
    background: var(--bg-alt);
    color: var(--text-muted);
    font-size: .7rem;
    font-weight: 700;
    line-height: 1;
  }

  /* ─── COURSES PAGE — CARD BADGES ─────────────────────────────────────────── */
  .course-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
  }

  /* Per-category colour variants for the category label badge */
  .badge-category-early   { background: #EEF2FF; color: #4338CA; }
  .badge-category-primary { background: #D1FAE5; color: #065F46; }
  .badge-category-middle  { background: #FEF3C7; color: #92400E; }
  .badge-category-matric  { background: #FFE4E4; color: #991B1B; }
  .badge-category-fsc     { background: #EDE9FE; color: #5B21B6; }
  .badge-category-online  { background: #F0F9FF; color: #075985; }
  .badge-category-crash   { background: #FFF7ED; color: #9A3412; }

  /* ─── COURSES PAGE — EMPTY STATE ─────────────────────────────────────────── */
  .courses-empty {
    text-align: center;
    padding: 80px 24px;
  }
  .courses-empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
  }
  .courses-empty h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-head);
    margin-bottom: 12px;
  }
  .courses-empty p {
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto 28px;
  }

  /* ─── COURSES PAGE — RESULTS COUNT ───────────────────────────────────────── */
  .courses-results-count {
    text-align: center;
    margin-top: 32px;
    font-size: .875rem;
    color: var(--text-muted);
  }
  .courses-results-count strong { color: var(--primary); }

  /* fadeIn animation used by JS when filter reveals cards */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
  }
  
  /* ─── TEACHER CARD ───────────────────────────────────────────────────────── */
  .teacher-card { text-align: center; padding: 28px 20px; }
  .teacher-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
  }
  .teacher-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
  .teacher-card .subject { font-size: .85rem; color: var(--primary); font-weight: 600; margin-bottom: 6px; }
  .teacher-card .qual    { font-size: .8rem; color: var(--text-muted); }
  
  /* ─── ADMISSION FORM ─────────────────────────────────────────────────────── */
  .admission-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: start;
  }
  .form-section { background: var(--bg); border: 1px solid var(--border); border-radius: var(--card-radius); padding: 36px; }
  .form-section h2 { font-size: 1.4rem; margin-bottom: 24px; }
  .fee-table { width: 100%; border-collapse: collapse; }
  .fee-table th, .fee-table td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
  }
  .fee-table th { font-weight: 600; color: var(--text-head); background: var(--bg-alt); }
  .fee-table td:last-child { font-weight: 600; color: var(--primary); text-align: right; }
  
  /* ─── CONTACT ────────────────────────────────────────────────────────────── */
  .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
  }
  .contact-info-card { background: var(--primary); color: #fff; border-radius: var(--card-radius); padding: 36px; }
  .contact-info-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 8px; }
  .contact-info-card > p { color: rgba(255,255,255,.8); margin-bottom: 28px; }
  .contact-detail {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 20px;
  }
  .contact-detail-icon {
    width: 40px; height: 40px;
    background: rgba(255,255,255,.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .contact-detail strong { display: block; color: #fff; margin-bottom: 2px; font-size: .9rem; }
  .contact-detail span { font-size: .875rem; color: rgba(255,255,255,.75); }
  .map-placeholder {
    background: rgba(255,255,255,.1);
    border-radius: 10px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 28px;
    font-size: .875rem;
    color: rgba(255,255,255,.6);
  }
  
  /* ─── ABOUT ──────────────────────────────────────────────────────────────── */
  .about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .about-img-block {
    background: linear-gradient(135deg, var(--primary-light), #D1FAE5);
    border-radius: 20px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
  }
  .value-card { display: flex; gap: 16px; padding: 20px; }
  .value-icon { font-size: 1.75rem; flex-shrink: 0; }
  .value-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: 4px; }
  .value-card p  { font-size: .85rem; }
  
  /* ─── AUTH PAGES ─────────────────────────────────────────────────────────── */
  .auth-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
  }
  .auth-brand {
    background: linear-gradient(135deg, var(--primary) 0%, #6D28D9 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .auth-brand::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 400px; height: 400px;
    background: rgba(255,255,255,.05);
    border-radius: 50%;
  }
  .auth-form-wrap { width: 100%; max-width: 420px; }
  .auth-form-wrap h1 { font-size: 1.75rem; margin-bottom: 8px; }
  .auth-form-wrap .auth-sub { color: var(--text-muted); margin-bottom: 32px; }
  .auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    font-size: .85rem;
    color: var(--text-muted);
  }
  .auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }
  
  /* ─── DASHBOARD ──────────────────────────────────────────────────────────── */
  .dash-layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
  .sidebar {
    background: var(--text-head);
    color: rgba(255,255,255,.7);
    padding: 24px 0;
  }
  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    font-size: .9rem;
    transition: all var(--dur);
  }
  .sidebar-link:hover, .sidebar-link.active {
    background: rgba(255,255,255,.08);
    color: #fff;
  }
  .dash-main { background: var(--bg-alt); padding: 32px; }
  .dash-stat-card {
    background: var(--bg);
    border-radius: var(--card-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .dash-stat-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
  }
  
  /* ─── ALERTS ─────────────────────────────────────────────────────────────── */
  .alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: .9rem;
    margin-bottom: 16px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
  }
  .alert-success { background: #D1FAE5; color: #065F46; border-left: 3px solid var(--accent); }
  .alert-error   { background: #FFE4E4; color: #991B1B; border-left: 3px solid var(--coral); }
  .alert-info    { background: var(--primary-light); color: var(--primary-dark); border-left: 3px solid var(--primary); }
  
  /* ─── LOADER / SPINNER ───────────────────────────────────────────────────── */
  .spinner {
    width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    display: inline-block;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  
  /* ─── SCROLL-REVEAL ──────────────────────────────────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
  }
  .reveal.visible { opacity: 1; transform: none; }
  
  /* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
  @media (max-width: 1024px) {
    .hero-inner     { gap: 40px; }
    .footer-grid    { grid-template-columns: 1fr 1fr; gap: 32px; }
    .admission-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .about-split    { grid-template-columns: 1fr; }
    .auth-page      { grid-template-columns: 1fr; }
    .auth-brand     { display: none; }
    .dash-layout    { grid-template-columns: 1fr; }
  }
  
  @media (max-width: 768px) {
    :root { --section-gap: 64px; }
  
    .nav-links, .nav-actions { display: none; }
    .hamburger { display: flex; }
  
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero { padding: 56px 0 64px; }
  
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    .steps-grid::before { display: none; }
  
    .pricing-card.popular { transform: none; }
  
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  
    .form-section { padding: 24px; }
    .container { padding: 0 16px; }
  }
  
  @media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .pricing-cards { grid-template-columns: 1fr; }
  }
  
  /* ─── PRINT ──────────────────────────────────────────────────────────────── */
  @media print {
    .navbar, .footer, .hero-visual { display: none; }
  }
  
  /* ─── ACCESSIBILITY ──────────────────────────────────────────────────────── */
  :focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
  }
  .sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
  }
  
  /* ─── SKIP LINK ──────────────────────────────────────────────────────────── */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 8px;
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    z-index: 9999;
    font-size: .875rem;
  }
  .skip-link:focus { top: 0; }