:root {
      --bg: #f7f4ec;
      --surface: #fffdf8;
      --surface-2: #efe9dc;
      --text: #18231d;
      --muted: #667067;
      --accent: #1f5a43;
      --accent-dark: #173f31;
      --accent-soft: #dce9df;
      --border: #ddd7cb;
      --white: #ffffff;
      --shadow: 0 20px 60px rgba(24, 35, 29, 0.08);
      --radius: 24px;
      --max: 1160px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .container {
      width: min(calc(100% - 40px), var(--max));
      margin: 0 auto;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .eyebrow::before {
      content: "";
      width: 24px;
      height: 1px;
      background: currentColor;
    }

    h1, h2, h3 {
      line-height: 1.08;
      letter-spacing: -0.03em;
      margin: 0;
    }

    h1 {
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(3.2rem, 7vw, 6.4rem);
      font-weight: 500;
    }

    h2 {
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(2.2rem, 4.5vw, 4.2rem);
      font-weight: 500;
    }

    h3 {
      font-size: 1.2rem;
    }

    p {
      margin: 0;
      color: var(--muted);
    }

    .lead {
      font-size: clamp(1.1rem, 1.8vw, 1.35rem);
      max-width: 720px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 54px;
      padding: 0 24px;
      border-radius: 999px;
      font-weight: 700;
      transition: 0.2s ease;
      cursor: pointer;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--white);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
    }

    .btn-secondary {
      border-color: var(--border);
      background: rgba(255,255,255,0.5);
    }

    .btn-secondary:hover {
      background: var(--white);
    }

    header {
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(16px);
      background: rgba(247, 244, 236, 0.88);
      border-bottom: 1px solid rgba(221, 215, 203, 0.7);
    }

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px 12px 16px 16px;
      display: grid;
      place-items: center;
      background: var(--accent);
      color: white;
      font-family: Georgia, serif;
      font-size: 1.2rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      color: var(--muted);
      font-size: 0.95rem;
    }

    .hero {
      padding: 92px 0 80px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.18fr 0.82fr;
      gap: 64px;
      align-items: center;
    }

    .hero-copy {
      display: grid;
      gap: 28px;
    }

    .hero-copy h1 span {
      color: var(--accent);
    }

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

    .pricing-note {
      font-size: 0.95rem;
      color: var(--muted);
    }

    .hero-card {
      min-height: 560px;
      position: relative;
      border-radius: 36px;
      overflow: hidden;
      background:
        radial-gradient(circle at top left, rgba(255,255,255,.55), transparent 32%),
        linear-gradient(150deg, #264e3c 0%, #173d30 52%, #0f2c22 100%);
      box-shadow: var(--shadow);
      padding: 36px;
      color: var(--white);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .hero-card::before,
    .hero-card::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 50%;
    }

    .hero-card::before {
      width: 340px;
      height: 340px;
      right: -120px;
      top: -80px;
    }

    .hero-card::after {
      width: 460px;
      height: 460px;
      left: -220px;
      bottom: -260px;
    }

    .arabic {
      font-family: "Times New Roman", Georgia, serif;
      font-size: clamp(2.4rem, 4vw, 4rem);
      line-height: 1.5;
      max-width: 8ch;
      position: relative;
      z-index: 1;
    }

    .hero-card-bottom {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 10px;
    }

    .hero-card-bottom strong {
      font-family: Georgia, serif;
      font-size: 1.8rem;
      font-weight: 500;
    }

    .hero-card-bottom p {
      color: rgba(255,255,255,.72);
    }

    section {
      padding: 92px 0;
    }

    .section-heading {
      display: grid;
      gap: 20px;
      max-width: 760px;
      margin-bottom: 44px;
    }

    .teacher-bio-bar {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 28px 0;
    }

    .teacher-bio-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 28px 32px;
      display: grid;
      gap: 18px;
    }

    .teacher-bio-header {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .teacher-bio-photo {
      width: 68px;
      height: 68px;
      border-radius: 50%;
      object-fit: cover;
      object-position: top;
      flex-shrink: 0;
      border: 2px solid var(--border);
    }

    .teacher-bio-photo-fallback {
      display: none;
      width: 68px;
      height: 68px;
      border-radius: 50%;
      background: var(--accent);
      color: white;
      font-family: Georgia, serif;
      font-size: 1.5rem;
      place-items: center;
      flex-shrink: 0;
    }

    .teacher-bio-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.01em;
    }

    .teacher-bio-role {
      font-size: 0.875rem;
      color: var(--accent);
      font-weight: 500;
      margin-top: 3px;
    }

    .teacher-bio-body {
      font-size: 1rem;
      color: var(--muted);
      line-height: 1.75;
    }

    .proof-stat strong {
      color: var(--accent);
      font-weight: 700;
    }

    @media (max-width: 620px) {
    }

    .problem {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .problem-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 72px;
      align-items: start;
    }

    .problem-list {
      display: grid;
      gap: 16px;
    }

    .problem-item {
      padding: 22px 24px;
      border-radius: 18px;
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
    }

    .problem-item strong {
      display: block;
      margin-bottom: 4px;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .feature {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      display: grid;
      gap: 14px;
    }

    .feature-number {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      font-weight: 700;
      font-size: 0.9rem;
    }

    .path {
      background: var(--accent);
      color: white;
    }

    .path p,
    .path .eyebrow {
      color: rgba(255,255,255,.72);
    }

    .path .eyebrow::before {
      background: rgba(255,255,255,.72);
    }

    .path-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      margin-top: 40px;
      overflow: hidden;
      border-radius: 24px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.12);
    }

    .path-step {
      min-height: 180px;
      padding: 28px;
      background: rgba(255,255,255,.06);
    }

    .path-step span {
      display: block;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: .12em;
      margin-bottom: 44px;
      color: rgba(255,255,255,.55);
    }

    .path-step strong {
      font-family: Georgia, serif;
      font-size: 1.45rem;
      font-weight: 500;
    }

    .teacher-grid {
      display: block;
      max-width: 820px;
      margin: 0 auto;
    }


    .teacher-copy {
      display: grid;
      gap: 24px;
    }

    .teacher-copy .institution-note {
      border-left: 3px solid var(--accent);
      padding-left: 18px;
      color: var(--text);
      font-weight: 500;
    }

    .pricing {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .pricing-card {
      border-radius: 32px;
      background: var(--text);
      color: white;
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 40px;
      align-items: center;
    }

    .pricing-card p {
      color: rgba(255,255,255,.68);
    }

    .price {
      font-family: Georgia, serif;
      font-size: clamp(3.2rem, 6vw, 5rem);
      line-height: 1;
      white-space: nowrap;
    }

    .price small {
      font-family: Inter, sans-serif;
      font-size: 1rem;
      color: rgba(255,255,255,.6);
    }

    .audience-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      max-width: 880px;
    }

    .audience-item {
      padding: 18px 20px;
      border-bottom: 1px solid var(--border);
    }

    .audience-item::before {
      content: "✓";
      margin-right: 10px;
      color: var(--accent);
      font-weight: 900;
    }

    .vision-card {
      border-radius: 36px;
      background: var(--surface-2);
      padding: 64px;
      text-align: center;
      display: grid;
      gap: 26px;
      justify-items: center;
    }

    .vision-card p {
      max-width: 720px;
      font-size: 1.15rem;
    }

    .faq {
      background: var(--surface);
      border-top: 1px solid var(--border);
    }

    details {
      border-bottom: 1px solid var(--border);
      padding: 22px 0;
    }

    summary {
      list-style: none;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.08rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      color: var(--accent);
      font-size: 1.5rem;
      font-weight: 400;
    }

    details[open] summary::after {
      content: "−";
    }

    details p {
      padding-top: 12px;
      max-width: 760px;
    }

    .final-cta {
      padding: 100px 0;
      text-align: center;
    }

    .final-cta .container {
      display: grid;
      gap: 26px;
      justify-items: center;
    }

    footer {
      border-top: 1px solid var(--border);
      padding: 34px 0;
    }

    .footer-row {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      align-items: center;
      font-size: 0.9rem;
      color: var(--muted);
    }

    .footer-links {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    @media (max-width: 920px) {
      .hero-grid,
      .problem-grid,
      .teacher-grid,
      .pricing-card {
        grid-template-columns: 1fr;
      }

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

      .hero-card {
        min-height: 440px;
      }

      .nav-links {
        display: none;
      }
    }

    @media (max-width: 620px) {
      .container {
        width: min(calc(100% - 28px), var(--max));
      }

      .hero {
        padding: 64px 0 56px;
      }

      section {
        padding: 68px 0;
      }

      .features,
      .path-grid,
      .audience-grid {
        grid-template-columns: 1fr;
      }

      .pricing-card,
      .vision-card {
        padding: 32px 24px;
      }

      .hero-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .price {
        white-space: normal;
      }
      .teacher-bio-card {
        padding: 20px 18px;
      }

      .teacher-bio-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .teacher-bio-name {
        font-size: 1.05rem;
      }

      .teacher-bio-body {
        font-size: 0.9rem;
      }

      .proof-label { border-right: none; padding-right: 0; margin-right: 0; }
      .proof-stat { margin-left: 0; }
    }