:root {
    --blue: #1A6BCC;
    --blue-light: #EEF5FF;
    --blue-mid: #D0E4FA;
    --amber: #F5A623;
    --amber-light: #FFF8EE;
    --amber-mid: #FAD99C;
    --green: #3B6D11;
    --green-light: #EDF7EE;
    --green-mid: #C0DFC2;
    --slate-light: #F5F6FA;
    --slate-mid: #DDE0EA;
    --text-primary: #111;
    --text-secondary: #555;
    --text-muted: #888;
    --border: #EAEDF5;
    --bg-alt: #F8F9FB;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
  }

 

  a { text-decoration: none; color: inherit; }
 
  ul { list-style: none; }

  /* ── BUTTONS ── */
  .btn-primary {
    background: var(--blue);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, transform 0.15s;
  }
  .btn-primary:hover { background: #155bb3; transform: translateY(-1px); }

  .btn-secondary {
    background: #fff;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    border: 1.5px solid #DDD;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: border-color 0.2s, transform 0.15s;
  }
  .btn-secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }

  .btn-white {
    background: #fff;
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.15s;
    white-space: nowrap;
  }
  .btn-white:hover { transform: translateY(-1px); }

  .btn-outline-white {
    background: transparent;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    border: 2px solid rgba(255,255,255,0.4);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
  }
  .btn-outline-white:hover { background: rgba(255,255,255,0.1); transform: translateY(-1px); }

  /* ── HERO ── */
  .hero {
    display: grid;
    grid-template-columns: 1fr 320px;
    align-items: center;
    gap: 56px;
    padding: 80px 64px;
    border-bottom: 1px solid var(--border);
    background: #fff;
  }
  .hero-left { display: flex; flex-direction: column; justify-content: center; }
  .hero-right { display: flex; flex-direction: column; gap: 12px; }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--blue-light);
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 20px;
  }
  .eyebrow-dot { width: 7px; height: 7px; background: var(--blue); border-radius: 50%; }
  .eyebrow span { font-size: 11px; font-weight: 700; color: var(--blue); letter-spacing: 1.2px; }

  .hero-h1 {
    font-size: 48px;
    font-weight: 800;
    color: #0F172A;
    line-height: 1.1;
    margin-bottom: 4px;
  }
  .hero-h1-blue {
    font-size: 48px;
    font-weight: 800;
    font-style: italic;
    color: var(--blue);
    display: block;
    margin-bottom: 22px;
    line-height: 1.1;
  }
  .hero-p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 100%;
    margin-bottom: 36px;
  }
  .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }


  .stat-card {
    background: #F7F8FA;
    border: 1px solid #ECEEF4;
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: border-color 0.2s;
  }
  .stat-card:hover { border-color: var(--blue-mid); }
  .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .stat-num { font-size: 20px; font-weight: 800; color: #0F172A; line-height: 1.2; }
  .stat-label { font-size: 12px; color: var(--text-muted); font-weight: 400; margin-top: 2px; }

  /* ── SECTION SHARED ── */
  .section { padding: 64px 48px; }
  .section.alt { background: var(--bg-alt); }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--blue-light);
    border-radius: 20px;
    padding: 4px 14px;
    margin-bottom: 14px;
  }
  .section-eyebrow-dot { width: 6px; height: 6px; background: var(--blue); border-radius: 50%; }
  .section-eyebrow span { font-size: 11px; font-weight: 700; color: var(--blue); letter-spacing: 1.2px; }

  .section-h2 { font-size: 32px; font-weight: 800; color: #111; margin-bottom: 8px; }
  .section-h2 em { color: var(--blue); font-style: italic; }
  .section-p { font-size: 14px; color: var(--text-secondary); line-height: 1.85; max-width: 580px; margin-bottom: 40px; }

  /* ── FEATURE CARDS ── */
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  }
  .feature-card:hover {
    border-color: var(--blue-mid);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(26,107,204,0.08);
  }
  .card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
  }
  .card-h { font-size: 16px; font-weight: 700; color: #111; margin-bottom: 8px; }
  .card-p { font-size: 13px; color: #777; line-height: 1.75; }

  /* ── HOW IT WORKS ── */
  .steps-wrapper { position: relative; }
  .steps-line {
    position: absolute;
    top: 26px;
    left: calc(12.5% + 26px);
    right: calc(12.5% + 26px);
    height: 2px;
    background: var(--blue-mid);
    z-index: 0;
  }
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
  .step { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 18px; position: relative; z-index: 1; }
  .step-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border: 4px solid #fff;
    box-shadow: 0 0 0 2px var(--blue);
    flex-shrink: 0;
  }
  .step-h { font-size: 14px; font-weight: 700; color: #111; margin-bottom: 8px; }
  .step-p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

  /* ── CAROUSEL ── */
  .carousel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
  }
  .carousel-header-left {}
  .carousel-nav { display: flex; gap: 10px; align-items: center; }
  .carousel-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid #E2E8F0;
    background: #fff;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  }
  .carousel-btn:hover:not(:disabled) { border-color: var(--blue); background: var(--blue); }
  .carousel-btn:hover:not(:disabled) svg path { stroke: #fff; }
  .carousel-btn:disabled { opacity: 0.3; cursor: not-allowed; }
  .carousel-track-outer { overflow: hidden; }
  .carousel-track {
    display: flex;
    gap: 18px;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
    will-change: transform;
  }

  /* ── COURSE CARDS — premium redesign ── */
  .course-card {
    flex: 0 0 calc(25% - 14px);
    background: #fff;
    border-radius: 16px;
    border: 1px solid #EDF0F7;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    overflow: hidden;
    position: relative;
  }
  .course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(26,107,204,0.10), 0 4px 12px rgba(0,0,0,0.04);
    border-color: var(--blue-mid);
  }

  /* Coloured top accent bar */
  .course-card::before {
    content: '';
    display: block;
    height: 4px;
    width: 100%;
    background: var(--blue);
    flex-shrink: 0;
  }
  .course-card:nth-child(4n+2)::before { background: var(--amber); }
  .course-card:nth-child(4n+3)::before { background: #22C9A0; }
  .course-card:nth-child(4n+4)::before { background: #8B5CF6; }
  .course-card:nth-child(4n+5)::before { background: var(--blue); }
  .course-card:nth-child(4n+6)::before { background: var(--amber); }
  .course-card:nth-child(4n+7)::before { background: #22C9A0; }

  .course-card-inner { padding: 26px 24px 28px; display: flex; flex-direction: column; flex: 1; }

  .course-icon-wrap {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--blue-light);
    display: flex; align-items: center; justify-content: center;
    margin: 0 0 16px;
  }
  .course-card:nth-child(4n+2) .course-icon-wrap { background: var(--amber-light); }
  .course-card:nth-child(4n+3) .course-icon-wrap { background: #EAFAF6; }
  .course-card:nth-child(4n+4) .course-icon-wrap { background: #F3F0FE; }
  .course-card:nth-child(4n+5) .course-icon-wrap { background: var(--blue-light); }
  .course-card:nth-child(4n+6) .course-icon-wrap { background: var(--amber-light); }
  .course-card:nth-child(4n+7) .course-icon-wrap { background: #EAFAF6; }

  .course-title {
    font-size: 15px; font-weight: 800; color: #0F172A;
    margin-bottom: 10px; line-height: 1.4;
  }
  .course-duration {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--bg-alt);
    border-radius: 6px; padding: 5px 10px;
    font-size: 11.5px; font-weight: 600; color: var(--text-muted);
    margin-bottom: 18px; width: fit-content;
    letter-spacing: 0.2px;
  }
  .course-divider { height: 1px; background: #F1F4F9; margin-bottom: 16px; }
  .course-day-label {
    font-size: 11px; font-weight: 700; color: var(--blue);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 10px; margin-top: 6px;
  }
  .course-items { display: flex; flex-direction: column; gap: 10px; flex: 1; }
  .course-item {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 13px; color: #475569; line-height: 1.55;
  }
  .course-check {
    width: 15px; height: 15px; border-radius: 50%;
    background: var(--blue);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; margin-top: 1px;
  }
  .course-card:nth-child(4n+2) .course-check { background: var(--amber); }
  .course-card:nth-child(4n+3) .course-check { background: #22C9A0; }
  .course-card:nth-child(4n+4) .course-check { background: #8B5CF6; }
  .course-card:nth-child(4n+5) .course-check { background: var(--blue); }
  .course-card:nth-child(4n+6) .course-check { background: var(--amber); }
  .course-card:nth-child(4n+7) .course-check { background: #22C9A0; }

  /* ── INDUSTRIES ── */
  .ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .ind-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
  }
  .ind-item:hover { border-color: var(--blue-mid); transform: translateY(-2px); }
  .ind-icon { display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
  .ind-name { font-size: 13px; font-weight: 600; color: #333; }

  /* ── TESTIMONIAL ── */
  .testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .testi-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    position: relative;
  }
  .testi-quote {
    font-size: 36px;
    color: var(--blue-mid);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    font-style: italic;
  }
  .testi-text { font-size: 14px; color: #555; line-height: 1.8; margin-bottom: 20px; font-style: italic; }
  .testi-author { display: flex; align-items: center; gap: 12px; }
  .testi-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
  }
  .testi-name { font-size: 14px; font-weight: 700; color: #111; }
  .testi-role { font-size: 12px; color: var(--text-muted); }
  .testi-stars { color: var(--amber); font-size: 14px; margin-bottom: 12px; }

  /* ── CTA BANNER ── */
  .cta-banner {
    background: var(--blue);
    padding: 60px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
  .cta-left h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 10px; line-height: 1.2; }
  .cta-left p { font-size: 14px; color: rgba(255,255,255,0.75); max-width: 460px; line-height: 1.8; }
  .cta-btns { display: flex; gap: 12px; flex-shrink: 0; }

  /* ── FOOTER ── */
  .footer { background: #0D1117; padding: 56px 48px 28px; }
  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 28px;
  }
  .footer-logo { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
  .footer-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #1A6BCC, #5AA0E8);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .footer-logo-name { font-size: 14px; font-weight: 700; color: #fff; }
  .footer-logo-name em { color: #5AA0E8; font-style: normal; }
  .footer-desc { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.8; max-width: 240px; margin-bottom: 20px; }
  .footer-social { display: flex; gap: 10px; }
  .social-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    cursor: pointer;
  }
  .social-btn:hover { background: rgba(255,255,255,0.12); }

  .footer-col-h {
    font-size: 11px;
    font-weight: 700;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.15s;
  }
  .footer-col a:hover { color: #fff; }

  .footer-bottom { display: flex; justify-content: space-between; align-items: center; }
  .footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
  .footer-legal { display: flex; gap: 18px; }
  .footer-legal a { font-size: 12px; color: rgba(255,255,255,0.3); text-decoration: none; transition: color 0.15s; }
  .footer-legal a:hover { color: rgba(255,255,255,0.6); }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero-left { animation: fadeUp 0.6s ease both; }
  .hero-right { animation: fadeUp 0.6s ease 0.15s both; }

  /* ══════════════════════════════════════
     RESPONSIVE — full device coverage
     1280+ : desktop (default)
     1024px : large tablet / small laptop
     768px  : tablet portrait
     480px  : large mobile
     375px  : standard mobile
  ══════════════════════════════════════ */

  /* ── Large tablet / small laptop (≤1280px) ── */
  @media (max-width: 1280px) {
    .nav { padding: 0 32px; }
    .hero { padding: 64px 40px; gap: 40px; }
    .section { padding: 56px 40px; }
    .cta-banner { padding: 56px 40px; }
    .footer { padding: 48px 40px 28px; }
    .breadcrumb { padding: 13px 40px; }
    .hero-h1, .hero-h1-blue { font-size: 40px; }
  }

  /* ── Tablet landscape / small laptop (≤1024px) ── */
  @media (max-width: 1024px) {
    .nav { padding: 0 24px; gap: 12px; }
    .nav-search { display: none; }
    .nav-links { gap: 14px; }
    .nav-links a { font-size: 12px; }

    .breadcrumb { padding: 12px 24px; }

    .hero {
      grid-template-columns: 1fr;
      padding: 48px 24px;
      gap: 36px;
    }
    .hero-h1, .hero-h1-blue { font-size: 38px; }
    .hero-right {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .section { padding: 48px 24px; }
    .section-h2 { font-size: 28px; }

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

    .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
    .steps-line { display: none; }

    /* Carousel: show 2 cards on tablet */
    .course-card { flex: 0 0 calc(50% - 9px); }

    .ind-grid { grid-template-columns: repeat(3, 1fr); }
    .testi-grid { grid-template-columns: repeat(2, 1fr); }

    .cta-banner { flex-direction: column; gap: 24px; padding: 48px 24px; text-align: center; }
    .cta-btns { justify-content: center; }
    .cta-left p { max-width: 100%; }

    .footer { padding: 48px 24px 24px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }

    .carousel-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  }

  /* ── Tablet portrait (≤768px) ── */
  @media (max-width: 768px) {
    .nav { padding: 0 20px; height: 58px; }
    .nav-links { display: none; }
    .nav-courses-btn span { display: none; } /* hide text on very small nav */

    .breadcrumb { padding: 10px 20px; }
    .breadcrumb a:first-child + .sep + a { display: none; } /* hide middle crumb */

    .hero { padding: 40px 20px; gap: 32px; }
    .hero-h1, .hero-h1-blue { font-size: 34px; }
    .hero-p { font-size: 14px; }
    .hero-btns { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }

    .hero-right { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-num { font-size: 18px; }

    .section { padding: 40px 20px; }
    .section-h2 { font-size: 26px; }
    .section-p { font-size: 13px; }

    .cards-grid { grid-template-columns: 1fr; gap: 14px; }
    .feature-card { padding: 20px; }

    .steps { grid-template-columns: 1fr; gap: 28px; }
    .step { flex-direction: row; text-align: left; align-items: flex-start; gap: 16px; }
    .step-num { margin-bottom: 0; flex-shrink: 0; width: 40px; height: 40px; font-size: 16px; }

    /* Carousel: 1 card on tablet portrait */
    .course-card { flex: 0 0 100%; }
    .carousel-header { gap: 12px; }

    .ind-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .testi-grid { grid-template-columns: 1fr; }
    .testi-card { padding: 20px; }

    .cta-banner { padding: 40px 20px; }
    .cta-left h2 { font-size: 24px; }
    .cta-btns { flex-direction: column; width: 100%; }
    .btn-white, .btn-outline-white { justify-content: center; width: 100%; }

    .footer { padding: 40px 20px 24px; }
    .footer-top { grid-template-columns: 1fr; gap: 28px; }
    .footer-desc { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .footer-legal { justify-content: center; flex-wrap: wrap; }
  }

  /* ── Large mobile (≤480px) ── */
  @media (max-width: 480px) {
    .nav { padding: 0 16px; height: 56px; }
    .nav-logo-name { font-size: 14px; }

    .hero { padding: 32px 16px; }
    .hero-h1, .hero-h1-blue { font-size: 30px; }
    .hero-right { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-card { padding: 12px 14px; gap: 10px; }
    .stat-icon { width: 34px; height: 34px; }
    .stat-num { font-size: 16px; }
    .stat-label { font-size: 11px; }

    .section { padding: 36px 16px; }
    .section-h2 { font-size: 24px; }

    .ind-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .ind-item { padding: 14px 10px; }
    .ind-name { font-size: 12px; }

    .course-card { flex: 0 0 100%; min-height: auto; }
    .course-card-inner { padding: 20px 18px 22px; }
    .course-title { font-size: 14px; }

    .breadcrumb { display: none; } /* too cramped on small phones */

    .footer-social { flex-wrap: wrap; }
  }

  /* ── Standard mobile (≤375px) ── */
  @media (max-width: 375px) {
    .hero-h1, .hero-h1-blue { font-size: 26px; }
    .hero-right { grid-template-columns: 1fr; }
    .ind-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-login { padding: 7px 12px; font-size: 12px; }
    .section-h2 { font-size: 22px; }
    .cta-left h2 { font-size: 20px; }
  }