/* ── Brand Variables ── */
    :root {
      --teal:       #008080;/*#00796B; */
      --teal-dark:  #004D40;
      --teal-light: #E0F2F1;
      --maroon:     #800020;
      --maroon-light:#FCE4EC;
      --grey:       #F4F6FA;
      --grey-dark:  #5A6374;
      --text:       #0D1117;
      --white:      #FFFFFF;
      --border:     #E2E8F0;
      --font-head:  'Sora', sans-serif;
      --font-body:  'DM Sans', sans-serif;
      --shadow-sm:  0 2px 8px rgba(0,0,0,.06);
      --shadow-md:  0 8px 32px rgba(0,0,0,.10);
      --shadow-lg:  0 16px 64px rgba(0,0,0,.14);
      --radius:     14px;
    }

    * { box-sizing: border-box; }
    body { font-family: var(--font-body); color: var(--text); overflow-x: hidden; }
    h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); }
    a { text-decoration: none; }
    img { max-width: 100%; }

    /* ── Utility ── */
    .text-teal    { color: var(--teal) !important; }
    .text-maroon  { color: var(--maroon) !important; }
    .bg-teal      { background: var(--teal) !important; }
    .bg-teal-dark { background: var(--teal-dark) !important; }
    .bg-maroon    { background: var(--maroon) !important; }
    .bg-grey      { background: var(--grey) !important; }
    .btn-teal     { background: var(--teal); color: #fff; border: none; border-radius: 50px; padding: 12px 32px; font-family: var(--font-head); font-weight: 700; font-size: 15px; transition: all .25s; }
    .btn-teal:hover { background: var(--teal-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,121,107,.35); }
    .btn-maroon   { background: var(--maroon); color: #fff; border: none; border-radius: 50px; padding: 12px 32px; font-family: var(--font-head); font-weight: 700; font-size: 15px; transition: all .25s; }
    .btn-maroon:hover { background: #600018; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(128,0,32,.35); }
    .btn-outline-teal { background: transparent; color: var(--teal); border: 2px solid var(--teal); border-radius: 50px; padding: 10px 28px; font-family: var(--font-head); font-weight: 700; font-size: 15px; transition: all .25s; }
    .btn-outline-teal:hover { background: var(--teal); color: #fff; }
    .section-title { font-family: var(--font-head); font-weight: 800; font-size: clamp(28px,4vw,42px); color: var(--text); }
    .section-sub   { color: var(--grey-dark); font-size: 17px; max-width: 580px; margin: 0 auto; }
    .badge-pill    { display: inline-block; padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }

    /* ── Navbar ── */
    .edulite-nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(255,255,255,.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow .3s;
    }
    .edulite-nav.scrolled { box-shadow: var(--shadow-md); }
    .navbar-brand { font-family: var(--font-head); font-weight: 800; font-size: 22px; color: var(--text); }
    .navbar-brand span { color: var(--teal); }
    .nav-link { font-family: var(--font-body); font-weight: 600; font-size: 14.5px; color: var(--text) !important; padding: 8px 14px !important; border-radius: 8px; transition: all .2s; }
    .nav-link:hover, .nav-link.active { color: var(--teal) !important; background: var(--teal-light); }

    /* ── Hero ── */
    .hero-section {
      padding-top: 90px;
      min-height: 100vh;
      background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 50%, #00897B 100%);
      position: relative;
      overflow: hidden;
      display: flex; align-items: center;
    }
    .hero-section::before {
      content: '';
      position: absolute; top: -40%; right: -10%; width: 70%; height: 170%;
      background: radial-gradient(ellipse at center, rgba(255,255,255,.08) 0%, transparent 70%);
      transform: rotate(-20deg);
    }
    .hero-section::after {
      content: '';
      position: absolute; bottom: -50px; left: 0; right: 0; height: 100px;
      background: #fff;
      clip-path: ellipse(55% 100% at 50% 100%);
    }
    .hero-title { font-family: var(--font-head); font-weight: 800; font-size: clamp(34px,5vw,60px); line-height: 1.1; color: #fff; }
    .hero-title span { color: #FFCC02; }
    .hero-sub { color: rgba(255,255,255,.85); font-size: 18px; line-height: 1.7; }
    .hero-badge { background: rgba(255,255,255,.15); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.25); border-radius: 50px; padding: 8px 20px; color: #fff; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
    .hero-stat-card { background: rgba(255,255,255,.12); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 20px 24px; text-align: center; color: #fff; }
    .hero-stat-card .num { font-family: var(--font-head); font-size: 32px; font-weight: 800; }
    .hero-stat-card .lbl { font-size: 13px; opacity: .8; }
    .hero-image-wrap { position: relative; }
    .hero-image-wrap .float-card { position: absolute; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 14px 18px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
    .hero-image-wrap .float-card.card1 { top: 10%; right: -20px; }
    .hero-image-wrap .float-card.card2 { bottom: 20%; left: -20px; }
    .hero-img { border-radius: 24px; box-shadow: var(--shadow-lg); width: 100%; object-fit: cover; }

    /* ── Stats bar ── */
    .stats-bar { background: #fff; box-shadow: var(--shadow-md); border-radius: var(--radius); margin-top: -40px; position: relative; z-index: 10; }
    .stat-item { border-right: 1px solid var(--border); }
    .stat-item:last-child { border-right: none; }
    .stat-num { font-family: var(--font-head); font-size: 32px; font-weight: 800; color: var(--teal); }
    .stat-label { font-size: 14px; color: var(--grey-dark); font-weight: 500; }

    /* ── Section spacings ── */
    .section-pad { padding: 90px 0; }
    .section-pad-sm { padding: 60px 0; }

    /* ── Feature cards ── */
    .feature-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px 28px;
      height: 100%;
      transition: all .3s;
      position: relative;
      overflow: hidden;
    }
    .feature-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 4px;
      background: linear-gradient(90deg, var(--teal), var(--teal-dark));
      transform: scaleX(0);
      transition: transform .3s;
    }
    .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--teal-light); }
    .feature-card:hover::before { transform: scaleX(1); }
    .feature-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--teal-light); display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--teal); margin-bottom: 20px; }
    .feature-card h5 { font-family: var(--font-head); font-weight: 700; font-size: 18px; margin-bottom: 10px; }
    .feature-card p { color: var(--grey-dark); font-size: 14.5px; line-height: 1.7; margin: 0; }

    /* ── Schools / Logos ── */
    .school-logo-strip { overflow: hidden; }
    .school-logo-track { display: flex; gap: 40px; animation: scrollLogos 20s linear infinite; }
    .school-logo-track:hover { animation-play-state: paused; }
    .school-chip { background: #fff; border: 1px solid var(--border); border-radius: 50px; padding: 10px 22px; font-weight: 700; font-size: 14px; color: var(--text); white-space: nowrap; box-shadow: var(--shadow-sm); }
    @keyframes scrollLogos { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

    /* ── Pricing ── */
    .pricing-card {
      background: #fff;
      border: 2px solid var(--border);
      border-radius: 20px;
      padding: 36px 32px;
      height: 100%;
      transition: all .3s;
      position: relative;
      overflow: hidden;
    }
    .pricing-card.popular {
      border-color: var(--teal);
      transform: scale(1.04);
      box-shadow: 0 20px 60px rgba(0,121,107,.2);
    }
    .pricing-card:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }
    .pricing-card.popular:hover { transform: scale(1.06); }
    .popular-badge { position: absolute; top: -1px; right: 28px; background: var(--maroon); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .08em; padding: 4px 14px; border-radius: 0 0 12px 12px; text-transform: uppercase; }
    .plan-name { font-family: var(--font-head); font-weight: 700; font-size: 15px; color: var(--grey-dark); text-transform: uppercase; letter-spacing: .08em; }
    .plan-price { font-family: var(--font-head); font-weight: 800; font-size: 44px; color: var(--text); line-height: 1; }
    .plan-period { font-size: 14px; color: var(--grey-dark); }
    .plan-feature { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; padding: 8px 0; border-bottom: 1px solid var(--border); }
    .plan-feature:last-child { border: none; }
    .plan-feature i { color: var(--teal); font-size: 16px; margin-top: 2px; flex-shrink: 0; }
    .plan-feature.no i { color: #CBD5E0; }
    .plan-feature.no span { color: #CBD5E0; }

    /* ── Testimonials ── */
    .testimonial-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      height: 100%;
      transition: all .3s;
    }
    .testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
    .testimonial-stars { color: #FFCC02; font-size: 18px; }
    .testimonial-text { color: var(--grey-dark); font-size: 15px; line-height: 1.75; font-style: italic; }
    .testimonial-author { font-family: var(--font-head); font-weight: 700; font-size: 15px; }
    .testimonial-role { font-size: 13px; color: var(--grey-dark); }
    .testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--teal-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 18px; flex-shrink: 0; }

    /* ── Contact ── */
    .contact-info-item { display: flex; align-items: flex-start; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--border); }
    .contact-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--teal-light); display: flex; align-items: center; justify-content: center; color: var(--teal); font-size: 20px; flex-shrink: 0; }
    .form-control-edulite { border: 2px solid var(--border); border-radius: 10px; padding: 12px 16px; font-size: 14.5px; font-family: var(--font-body); transition: border-color .2s; }
    .form-control-edulite:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,121,107,.1); outline: none; }
    .form-label-edulite { font-weight: 600; font-size: 13.5px; color: var(--text); margin-bottom: 6px; }

    /* ── About ── */
    .about-img-stack { position: relative; }
    .about-img-main { border-radius: 20px; width: 100%; object-fit: cover; box-shadow: var(--shadow-lg); }
    .about-img-float { position: absolute; bottom: -20px; right: -20px; width: 40%; border-radius: 16px; border: 4px solid #fff; box-shadow: var(--shadow-md); }
    .about-badge { background: var(--teal); color: #fff; border-radius: 50px; padding: 8px 20px; font-size: 13px; font-weight: 700; display: inline-block; margin-bottom: 16px; }
    .value-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
    .value-dot { width: 36px; height: 36px; border-radius: 50%; background: var(--teal-light); display: flex; align-items: center; justify-content: center; color: var(--teal); font-size: 16px; flex-shrink: 0; }

    /* ── CTA Banner ── */
    .cta-section { background: linear-gradient(135deg, var(--maroon), #600018); position: relative; overflow: hidden; }
    .cta-section::before { content: ''; position: absolute; top: -50%; right: -10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%); }
    .cta-title { font-family: var(--font-head); font-weight: 800; font-size: clamp(28px,4vw,48px); color: #fff; }
    .cta-sub { color: rgba(255,255,255,.8); font-size: 18px; }

    /* ── Footer ── */
    .edulite-footer { background: var(--teal-dark); color: rgba(255,255,255,.8); }
    .footer-brand { font-family: var(--font-head); font-weight: 800; font-size: 24px; color: #fff; }
    .footer-brand span { color: #FFCC02; }
    .footer-link { color: rgba(255,255,255,.7); font-size: 14.5px; display: block; margin-bottom: 10px; transition: color .2s; }
    .footer-link:hover { color: #fff; }
    .footer-heading { font-family: var(--font-head); font-weight: 700; font-size: 15px; color: #fff; margin-bottom: 20px; text-transform: uppercase; letter-spacing: .06em; }
    .social-btn { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; transition: all .2s; }
    .social-btn:hover { background: var(--teal); border-color: var(--teal); color: #fff; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 13.5px; color: rgba(255,255,255,.5); }

    /* ── Demo section ── */
    .demo-video-wrap { position: relative; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
    .demo-play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 80px; height: 80px; border-radius: 50%; background: rgba(0,121,107,.9); border: 3px solid #fff; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 32px; cursor: pointer; transition: all .3s; z-index: 2; }
    .demo-play-btn:hover { background: var(--teal); transform: translate(-50%,-50%) scale(1.1); }
    .demo-placeholder { background: linear-gradient(135deg, #1a1a2e, #16213e); min-height: 400px; display: flex; align-items: center; justify-content: center; }

    /* ── Scroll animations ── */
    .reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-delay-1 { transition-delay: .1s; }
    .reveal-delay-2 { transition-delay: .2s; }
    .reveal-delay-3 { transition-delay: .3s; }
    .reveal-delay-4 { transition-delay: .4s; }

    /* ── Divider ── */
    .section-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); border: none; }

    /* ── Misc ── */
    .rounded-xl { border-radius: 20px !important; }
    .alert-success-custom { background: #F0FDF4; border: 1.5px solid #86EFAC; color: #166534; border-radius: 10px; padding: 14px 18px; }
    .alert-error-custom   { background: #FEF2F2; border: 1.5px solid #FCA5A5; color: #991B1B; border-radius: 10px; padding: 14px 18px; }
    #backToTop { position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px; border-radius: 50%; background: var(--teal); color: #fff; border: none; font-size: 20px; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; transform: translateY(20px); transition: all .3s; z-index: 999; }
    #backToTop.visible { opacity: 1; transform: translateY(0); }

    @media (max-width: 768px) {
      .hero-section { padding-top: 80px; padding-bottom: 80px; min-height: auto; }
      .hero-title { font-size: 32px; }
      .stats-bar { margin-top: 0; }
      .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
      .stat-item:last-child { border-bottom: none; }
      .pricing-card.popular { transform: scale(1); }
      .about-img-float { display: none; }
    }