:root {
      --bg: #f5f8ff;
      --card: #ffffff;
      --text: #18233a;
      --muted: #6f7a90;
      --line: #e7ecf7;
      --primary: #023382;
      --primary-2: #039efe;
      --accent: #023382;
      --shadow: 0 20px 45px rgba(24, 35, 58, 0.08);
      --radius: 22px;
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(91,124,255,.12), transparent 34%),
        radial-gradient(circle at top right, rgba(124,92,255,.10), transparent 28%),
        var(--bg);
      line-height: 1.55;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    .container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }

    .section {
      padding: 84px 0;
      position: relative;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
      text-transform: uppercase;
      background: rgba(91,124,255,.1);
      color: var(--primary);
      margin-bottom: 18px;
    }

    .heading {
      max-width: 760px;
      margin: 0 auto 22px;
      text-align: center;
    }

    .heading h2 {
      margin: 0 0 14px;
      font-size: clamp(2rem, 4vw, 3.25rem);
      line-height: 1.12;
      letter-spacing: -0.03em;
    }

    .heading p {
      margin: 0 auto;
      max-width: 720px;
      color: var(--muted);
      font-size: 1.04rem;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }

    .card {
      background: var(--card);
      border: 1px solid rgba(231,236,247,.9);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .feature-card {
      padding: 20px;
      overflow: hidden;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .feature-card:hover,
    .persona:hover,
    .testimonial:hover,
    .detail-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 28px 55px rgba(24,35,58,.12);
    }

    .media {
      aspect-ratio: 16 / 10;
      border-radius: 18px;
      background: linear-gradient(135deg, #dfe8ff 0%, #f3ecff 100%);
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      overflow: hidden;
      margin-bottom: 18px;
      position: relative;
    }

    .media::before,
    .media::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      filter: blur(6px);
    }

    .media::before {
      width: 180px;
      height: 180px;
      background: rgba(91,124,255,.15);
      top: -40px;
      left: -30px;
    }

    .media::after {
      width: 140px;
      height: 140px;
      background: rgba(124,92,255,.16);
      right: -30px;
      bottom: -30px;
    }

    .mock-illustration {
      width: 86%;
      aspect-ratio: 16 / 9;
      border-radius: 16px;
      background: #fff;
      border: 1px solid rgba(24,35,58,.08);
      box-shadow: 0 14px 28px rgba(24,35,58,.08);
      position: relative;
      overflow: hidden;
    }

    .mock-illustration .bar {
      height: 16px;
      background: linear-gradient(90deg, rgba(91,124,255,.12), rgba(124,92,255,.12));
      border-bottom: 1px solid rgba(24,35,58,.06);
    }

    .mock-illustration .stage {
      display: flex;
      gap: 10px;
      padding: 16px;
      height: calc(100% - 16px);
    }

    .mock-illustration .panel,
    .mock-illustration .subject {
      border-radius: 12px;
      background: #f5f8ff;
      border: 1px solid rgba(24,35,58,.06);
    }

    .mock-illustration .subject {
      flex: 1.1;
      position: relative;
      background:
        linear-gradient(180deg, #fefefe 0%, #f4f7ff 100%);
    }

    .mock-illustration .subject::before {
      content: "";
      position: absolute;
      width: 42%;
      height: 68%;
      left: 29%;
      top: 18%;
      border-radius: 24px 24px 18px 18px;
      background: linear-gradient(180deg, #8ca4ff 0%, #6a84ff 100%);
      box-shadow: inset 0 -12px 0 rgba(255,255,255,.18);
    }

    .mock-illustration .panel {
      width: 34%;
      padding: 12px;
      display: grid;
      gap: 10px;
      align-content: start;
    }

    .mock-illustration .pill,
    .mock-illustration .line {
      border-radius: 999px;
      background: rgba(91,124,255,.12);
      height: 12px;
    }

    .mock-illustration .line:nth-child(2n) { background: rgba(124,92,255,.14); }
    .mock-illustration .pill { width: 72%; height: 24px; }

    .feature-card h3,
    .detail-copy h3,
    .persona h3,
    .testimonial h4,
    .cta-box h3 {
      margin: 0 0 10px;
      letter-spacing: -.02em;
    }

    .feature-card p,
    .detail-copy p,
    .persona p,
    .testimonial p,
    footer p,
    .cta-box p {
      margin: 0;
      color: var(--muted);
    }

    .showcase-wrap {
      margin-top: 40px;
      background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.65));
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 28px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(8px);
    }

    .tabs {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-bottom: 26px;
    }

    .tab {
      border: 0;
      background: #fff;
      color: var(--muted);
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(24,35,58,.06);
      transition: all .2s ease;
    }

    .tab.active {
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      transform: translateY(-1px);
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }
    .gallery-image img {
        border-radius: 10px;
    }
    .media-img {
        border-radius: 10px;
        box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    }
    .gallery-item {
      aspect-ratio: 1 / 1;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: linear-gradient(135deg, #f1f5ff, #fff 55%, #f7f2ff);
      position: relative;
      overflow: hidden;
      box-shadow: 0 10px 24px rgba(24,35,58,.06);
    }

    .gallery-item::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 18px;
      background: linear-gradient(180deg, rgba(91,124,255,.16), rgba(124,92,255,.08));
      border: 1px solid rgba(91,124,255,.1);
    }

    .gallery-item::after {
      content: attr(data-label);
      position: absolute;
      left: 16px;
      bottom: 14px;
      font-weight: 800;
      letter-spacing: .04em;
      font-size: .76rem;
      color: var(--text);
      background: rgba(255,255,255,.8);
      padding: 8px 10px;
      border-radius: 999px;
      backdrop-filter: blur(6px);
    }

    .stack {
      display: grid;
      gap: 26px;
      margin-top: 16px;
    }

    .detail-card {
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 34px;
      align-items: center;
      padding: 26px;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .detail-card.reverse .detail-copy { order: -1; }

    .detail-copy ul {
      margin: 18px 0 24px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .detail-copy li {
      position: relative;
      padding-left: 28px;
      color: var(--text);
      font-weight: 500;
    }

    .detail-copy li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(91,124,255,.12);
      color: var(--primary);
      display: grid;
      place-items: center;
      font-size: .8rem;
      font-weight: 900;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 18px;
      border-radius: 14px;
      font-weight: 700;
      border: 1px solid transparent;
      transition: all .2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      box-shadow: 0 18px 28px rgba(91,124,255,.22);
    }

    .btn-primary:hover { transform: translateY(-2px); }
    .btn-light {
      background: #fff;
      border-color: var(--line);
      color: var(--text);
    }

    .personas {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
      margin-top: 38px;
    }

    .persona {
      padding: 24px;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .persona .icon,
    .quote-avatar {
      width: 58px;
      height: 58px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(91,124,255,.18), rgba(124,92,255,.18));
      border: 1px solid rgba(91,124,255,.12);
      display: grid;
      place-items: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
    }

    .persona a {
      margin-top: 18px;
      display: inline-block;
      color: var(--primary);
      font-weight: 700;
    }

    .testimonials {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
      margin-top: 38px;
    }

    .testimonial {
      padding: 24px;
      display: grid;
      gap: 18px;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .quote-mark {
      font-size: 3rem;
      line-height: 1;
      color: rgba(91,124,255,.25);
      font-weight: 900;
      margin-bottom: -6px;
    }

    .person {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .person small {
      display: block;
      color: var(--muted);
      font-size: .9rem;
      margin-top: 3px;
    }

    .cta-box {
      padding: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      background: linear-gradient(135deg, rgba(91,124,255,.08), rgba(124,92,255,.08), rgba(255,255,255,.9));
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr repeat(3, 1fr);
      gap: 28px;
      background: rgba(255,255,255,.75);
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 30px;
      box-shadow: var(--shadow);
    }

    .footer-grid h4 {
      margin: 0 0 14px;
      font-size: 1rem;
    }

    .footer-grid a {
      display: block;
      color: var(--muted);
      margin: 10px 0;
    }

    .brand-title {
      font-size: 1.3rem;
      font-weight: 900;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .scroll-top {
      position: fixed;
      right: 20px;
      bottom: 20px;
      width: 48px;
      height: 48px;
      border: none;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 20px 30px rgba(91,124,255,.28);
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transform: translateY(16px);
      transition: all .25s ease;
      z-index: 20;
    }

    .scroll-top.show {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    @media (max-width: 1080px) {
      .grid-3,
      .personas,
      .testimonials,
      .gallery-grid,
      .footer-grid,
      .detail-card {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-grid > :first-child {
        grid-column: 1 / -1;
      }

      .detail-card.reverse .detail-copy { order: 0; }
      .cta-box { flex-direction: column; align-items: flex-start; }
    }

    @media (max-width: 720px) {
      .section { padding: 68px 0; }
      .grid-3,
      .personas,
      .testimonials,
      .gallery-grid,
      .footer-grid,
      .detail-card {
        grid-template-columns: 1fr;
      }

      .showcase-wrap,
      .cta-box,
      .detail-card,
      .persona,
      .testimonial,
      .feature-card,
      .footer-grid {
        padding: 20px;
      }

      .tabs { justify-content: flex-start; }
    }