:root {
      --ink: #161616;
      --muted: #5b5b5b;
      --surface: #ffffff;
      --surface-soft: #f7f7f2;
      --surface-tint: #f1f4dd;
      --lime: #d9ef00;
      --lime-strong: #c9df00;
      --lime-soft: #f5f9c9;
      --line: #deded5;
      --navy: #393a96;
      --shadow: 0 16px 42px rgba(22, 22, 22, 0.10);
      --radius-lg: 26px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --container: 1180px;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body.landing-page {
      margin: 0;
      color: var(--ink);
      background: var(--surface);
      font-family: "Ubuntu", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.58;
      text-rendering: optimizeLegibility;
    }

    img { display: block; max-width: 100%; height: auto; }
    a { color: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }

    .svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
    .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
    .icon { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    .container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }

    .hero { padding: 10px 0 86px; background: linear-gradient(180deg, #fbfbf7 0%, #ffffff 100%); }
    .hero__media { display: block; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow); background: #f8f7f2; }
    .hero__media img { width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: contain; }

    .hero__purchase-strip {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 22px;
      align-items: center;
      margin-top: 12px;
      padding: 14px 18px;
      border: 1px solid #c8d800;
      border-radius: var(--radius-md);
      background: var(--lime-soft);
      box-shadow: 0 10px 28px rgba(22, 22, 22, 0.07);
    }

    .access-note { display: flex; gap: 10px; align-items: center; margin: 0; font-weight: 600; }
    .access-note .icon { color: var(--navy); }
    .price { display: inline-flex; gap: 10px; align-items: baseline; white-space: nowrap; }
    .price__old { color: #666; font-size: 1.05rem; text-decoration: line-through; text-decoration-thickness: 2px; }
    .price__current { color: var(--ink); font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 700; line-height: 1; }

    .cta {
      display: inline-flex;
      min-height: 52px;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 20px;
      border: 2px solid var(--ink);
      border-radius: 999px;
      background: var(--ink);
      color: #ffffff;
      font-weight: 700;
      line-height: 1.1;
      text-align: center;
      text-decoration: none;
      box-shadow: 0 8px 0 rgba(22, 22, 22, 0.14);
      transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
    }
    .cta:hover { transform: translateY(-2px); background: #000000; box-shadow: 0 10px 0 rgba(22, 22, 22, 0.16); }
    .cta:focus-visible { outline: 4px solid var(--navy); outline-offset: 4px; }
    .cta .icon { width: 20px; height: 20px; }
    .hero__purchase-strip > .cta { min-width: 200px; }

    .hero__content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(310px, 0.7fr); grid-template-areas: "intro outcomes" "copy outcomes"; gap: 20px 34px; align-items: start; margin-top: 56px; }
    .hero__intro { grid-area: intro; }
    .hero__copy { grid-area: copy; }
    h1, h2, h3, h4, p { margin-top: 0; }
    h1 { max-width: 890px; margin-bottom: 18px; font-size: clamp(2.15rem, 5vw, 4.2rem); line-height: 1.03; letter-spacing: -0.045em; }
    h2 { margin-bottom: 18px; font-size: clamp(1.85rem, 3.3vw, 3.2rem); line-height: 1.08; letter-spacing: -0.035em; }
    h3 { margin-bottom: 10px; font-size: 1.2rem; line-height: 1.22; }
    h4 { margin-bottom: 8px; font-size: 0.95rem; line-height: 1.25; }
    p { margin-bottom: 16px; }

    .hero__lead { max-width: 820px; margin-bottom: 24px; font-size: 1.22rem; font-weight: 500; line-height: 1.48; }
    .hero__body { max-width: 850px; color: #323232; }
    .hero__highlight { max-width: 850px; margin-bottom: 0; padding-left: 16px; border-left: 4px solid var(--lime-strong); color: #272727; font-weight: 600; }

    .meta-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; }
    .meta-item { display: flex; min-height: 74px; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #ffffff; font-size: 0.94rem; font-weight: 600; line-height: 1.25; }
    .meta-item .icon { width: 23px; height: 23px; color: var(--navy); }

    .outcomes { grid-area: outcomes; padding: 24px; border-radius: var(--radius-md); background: var(--ink); color: #ffffff; }
    .outcomes__title { margin-bottom: 14px; font-size: 1.1rem; font-weight: 700; line-height: 1.58; letter-spacing: normal; }
    .check-list { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
    .check-list li { display: flex; gap: 10px; align-items: flex-start; }
    .check-list .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--lime); }

    .section { padding: 86px 0; }
    .section--soft { background: var(--surface-soft); }
    .section--tint { background: var(--surface-tint); }
    .section__intro { max-width: 810px; margin-bottom: 32px; }
    .section__intro h2 { margin-bottom: 0; }

    .card-grid { display: grid; gap: 18px; }
    .card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .info-card, .benefit-card, .lecturer-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: #ffffff; }
    .info-card, .benefit-card { padding: 22px; }
    .info-card__icon, .benefit-card__icon { display: grid; width: 50px; height: 50px; place-items: center; margin-bottom: 18px; border-radius: 15px; background: var(--lime-soft); color: var(--navy); }
    .info-card__icon .icon, .benefit-card__icon .icon { width: 28px; height: 28px; }
    .info-card p, .benefit-card p { margin-bottom: 0; color: var(--muted); }

    .lecturer-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; }
    .lecturer-card__image { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
    .lecturer-card__body { display: flex; flex: 1; flex-direction: column; padding: 20px; }
    .lecturer-card__body > p { color: var(--muted); }

    .program { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); grid-template-rows: auto 1fr; grid-template-areas: "heading list" "cta list"; column-gap: 28px; row-gap: 18px; align-items: start; }
    .program h2 { grid-area: heading; margin-bottom: 0; }
    .program__list { display: grid; grid-area: list; gap: 0; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-md); background: #ffffff; list-style: none; overflow: hidden; }
    .program__list li { display: flex; gap: 12px; align-items: flex-start; padding: 15px 16px; border-bottom: 1px solid var(--line); }
    .program__list li:last-child { border-bottom: 0; }
    .program__list .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--navy); }
    .program__cta { grid-area: cta; width: min(100%, 320px); min-width: 220px; align-self: start; justify-self: start; }

    .questions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0 20px; align-items: center; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #ffffff; }
    .questions h2 { grid-column: 1; grid-row: 1; margin-bottom: 0; }
    .questions p { grid-column: 1; grid-row: 2; margin-bottom: 0; }
    .text-link { display: inline-flex; min-height: 44px; align-items: center; padding: 6px 12px; border: 1px solid #c8d800; border-radius: 999px; background: var(--lime-soft); color: var(--navy); font-weight: 700; text-decoration-thickness: 2px; text-underline-offset: 4px; transition: background 160ms ease, border-color 160ms ease, color 160ms ease; }
    .text-link:hover { border-color: var(--lime-strong); background: #eef69a; color: #20216d; }
    .text-link:focus-visible { outline: 3px solid var(--navy); outline-offset: 4px; }
    .questions__icon { display: grid; grid-column: 2; grid-row: 1 / span 2; width: 54px; height: 54px; place-items: center; border-radius: 50%; background: var(--lime-soft); color: var(--navy); }
    .questions__icon .icon { width: 28px; height: 28px; }

    .final-cta { padding: 84px 0; background: var(--ink); color: #ffffff; text-align: center; }
    .final-cta__inner { max-width: 850px; }
    .final-cta h2 { color: #ffffff; }
    .final-cta p { margin-bottom: 20px; color: #f0f0f0; font-size: 1.1rem; }
    .final-cta .price { display: flex; width: max-content; margin: 0 auto 22px; }
    .final-cta .price__old { color: #d0d0d0; }
    .final-cta .price__current { color: var(--lime); }
    .final-cta .cta { width: min(100%, 320px); min-width: 220px; border-color: var(--lime); background: var(--lime); color: var(--ink); box-shadow: 0 8px 0 rgba(217, 239, 0, 0.20); }
    .final-cta .cta:hover { background: #eeff2d; }
    .final-cta .cta:focus-visible { outline-color: #ffffff; }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .cta,
      .text-link { transition: none; }
      .cta:hover { transform: none; }
    }

    @media (max-width: 1100px) {
      .card-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 1020px) {
      .container { width: min(calc(100% - 36px), var(--container)); }
      .hero { padding-bottom: 68px; }
      .hero__content { grid-template-columns: minmax(0, 1fr) minmax(290px, 0.68fr); gap: 20px 24px; margin-top: 42px; }
      .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 960px) {
      .card-grid--three { grid-template-columns: 1fr; }
      .lecturer-card {
        display: grid;
        grid-template-columns: clamp(128px, 16.67vw, 160px) minmax(0, 1fr);
        gap: 18px;
        padding: 18px;
      }
      .lecturer-card__image {
        width: clamp(128px, 16.67vw, 160px);
        height: clamp(128px, 16.67vw, 160px);
        border-radius: 14px;
      }
      .lecturer-card__body { padding: 0; }
    }

    @media (max-width: 840px) {
      .hero__purchase-strip { grid-template-columns: minmax(0, 1fr) auto; gap: 16px; }
      .hero__purchase-strip .cta { grid-column: 1 / -1; width: 100%; }
      .hero__content { grid-template-columns: 1fr; grid-template-areas: "intro" "outcomes" "copy"; gap: 22px; }
      .program { grid-template-columns: 1fr; grid-template-rows: auto auto auto; grid-template-areas: "heading" "list" "cta"; }
      .program__cta { min-width: 0; width: 100%; }
      .final-cta .cta { width: 100%; max-width: 520px; }
    }

    @media (max-width: 760px) {
      .container { width: min(calc(100% - 24px), var(--container)); }
      .hero { padding: 14px 0 56px; }
      .hero__media { border-radius: 16px; }
      .hero__purchase-strip { margin-top: 12px; padding: 14px 16px; }
      .access-note { align-items: flex-start; font-size: 0.94rem; }
      .price__current { font-size: 2.55rem; }
      .hero__content { gap: 22px; margin-top: 38px; }
      h1 { font-size: clamp(2rem, 11vw, 3.2rem); }
      h2 { font-size: clamp(1.75rem, 8vw, 2.55rem); }
      .hero__lead { font-size: 1.08rem; }
      .meta-grid { gap: 8px; }
      .meta-item { min-height: 68px; padding: 10px; }
      .outcomes { padding: 18px; }
      .section { padding: 58px 0; }
      .card-grid--four, .card-grid--three { grid-template-columns: 1fr; }
      .lecturer-card {
        display: grid;
        grid-template-columns: clamp(96px, 17vw, 128px) minmax(0, 1fr);
        column-gap: 14px;
        row-gap: 14px;
        padding: 16px;
      }
      .lecturer-card__image {
        grid-column: 1;
        grid-row: 1;
        width: clamp(96px, 17vw, 128px);
        height: clamp(96px, 17vw, 128px);
        border-radius: 14px;
      }
      .lecturer-card__body { display: contents; }
      .lecturer-card__body h3 { grid-column: 2; grid-row: 1; align-self: center; margin-bottom: 0; }
      .lecturer-card__body > p { grid-column: 1 / -1; grid-row: 2; margin-bottom: 0; }
      .info-card {
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr);
        column-gap: 12px;
        row-gap: 6px;
        align-items: start;
        padding: 16px;
      }
      .info-card__icon {
        grid-column: 1;
        grid-row: 1 / span 2;
        width: 44px;
        height: 44px;
        margin-bottom: 0;
        border-radius: 13px;
      }
      .info-card__icon .icon { width: 24px; height: 24px; }
      .info-card h3 { grid-column: 2; margin-bottom: 0; }
      .info-card p { grid-column: 2; }
      .benefit-card {
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr);
        column-gap: 12px;
        row-gap: 6px;
        align-items: start;
        padding: 16px;
      }
      .benefit-card__icon {
        grid-column: 1;
        grid-row: 1 / span 2;
        width: 44px;
        height: 44px;
        margin-bottom: 0;
        border-radius: 13px;
      }
      .benefit-card__icon .icon { width: 24px; height: 24px; }
      .benefit-card h3 { grid-column: 2; margin-bottom: 0; }
      .benefit-card p { grid-column: 2; }
      .questions { gap: 8px 14px; padding: 20px; }
      .questions h2 { grid-column: 1 / -1; }
      .questions__icon { grid-row: 2; }
      .questions__icon { width: 48px; height: 48px; }
      .questions__icon .icon { width: 25px; height: 25px; }
      .final-cta { padding: 62px 0; }
    }

    @media (max-width: 640px) {
      .hero__media img { aspect-ratio: 1 / 1; object-fit: contain; }
      .hero__purchase-strip { grid-template-columns: 1fr; gap: 12px; padding: 16px; }
      .info-card__icon,
      .benefit-card__icon { grid-row: 1; }
      .info-card p,
      .benefit-card p { grid-column: 1 / -1; grid-row: 2; }
    }

    @media (max-width: 480px) {
      .questions p { grid-column: 1 / -1; }
      .questions__icon { display: none; }
    }

    @media (max-width: 360px) {
      .lecturer-card {
        grid-template-columns: clamp(80px, 26.67vw, 96px) minmax(0, 1fr);
        column-gap: 12px;
        padding: 14px;
      }
      .lecturer-card__image {
        width: clamp(80px, 26.67vw, 96px);
        height: clamp(80px, 26.67vw, 96px);
      }
      .info-card {
        grid-template-columns: 40px minmax(0, 1fr);
        column-gap: 10px;
        padding: 14px;
      }
      .info-card__icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
      }
      .info-card__icon .icon {
        width: 22px;
        height: 22px;
      }
      .benefit-card {
        grid-template-columns: 40px minmax(0, 1fr);
        column-gap: 10px;
        padding: 14px;
      }
      .benefit-card__icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
      }
      .benefit-card__icon .icon {
        width: 22px;
        height: 22px;
      }
      .program__list li {
        gap: 10px;
        padding: 12px;
      }
      .program__list .icon {
        width: 18px;
        height: 18px;
      }
    }