:root {
      --bg: #f6f3ec;
      --bg-alt: #fbf8f2;
      --surface: #ffffff;
      --text: #171717;
      --muted: #5f5a52;
      --line: #e4ded2;
      --accent: #1f3b63;
      --accent-soft: #eef3fa;
      --gold: #c29a3a;
      --shadow: 0 20px 50px rgba(20, 20, 20, 0.08);
      --max: 1160px;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      font-family: Inter, system-ui, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.5;
    }

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

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

    header {
      position: sticky;
      top: 0;
      background: rgba(255,255,255,0.88);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--line);
      z-index: 20;
    }

    .nav {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      min-height: 72px;
      gap: 28px;
    }

    .brand img {
      height: 44px;
      width: auto;
      display: block;
    }

    .nav-links {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 28px;
    }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.96rem;
      font-weight: 500;
      transition: color 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .nav-actions {
      display: flex;
      gap: 10px;
      align-items: center;
      flex-wrap: wrap;
    }

    .cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 10px;
      font-weight: 600;
      background: var(--accent);
      color: #fff;
      text-decoration: none;
      border: 1px solid var(--accent);
      transition: 0.2s ease;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      background: white;
      color: var(--text);
      padding: 10px 16px;
      border-radius: 10px;
      font-weight: 600;
      text-decoration: none;
      transition: 0.2s ease;
    }

    .hero {
      padding: 52px 0 34px;
    }

    .section-alt {
      background: var(--bg-alt);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 44px;
      align-items: center;
    }

    .hero-copy {
      max-width: 520px;
    }

    .trust-strip {
      margin-top: 18px;
      font-size: 0.92rem;
      color: var(--muted);
      line-height: 1.4;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      max-width: 420px;
    }

    h1 {
      font-size: clamp(2.4rem, 5vw, 3.8rem);
      line-height: 1.03;
      letter-spacing: -0.045em;
      margin: 0 0 14px;
    }

    h2 {
      font-size: 2rem;
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin: 0 0 10px;
    }

    h3 {
      margin: 0 0 8px;
      font-size: 1.05rem;
      letter-spacing: -0.02em;
    }

    .sub {
      font-size: 1.15rem;
      color: var(--muted);
      margin-bottom: 8px;
      line-height: 1.45;
      max-width: 34ch;
    }

    .desc {
      color: var(--muted);
      max-width: 52ch;
      font-size: 1rem;
      margin-bottom: 18px;
    }

    .cta-row {
      margin-top: 10px;
      display: flex;
      gap: 10px;
      align-items: center;
      flex-wrap: wrap;
    }

    .accent-line {
      width: 56px;
      height: 3px;
      background: var(--gold);
      margin-bottom: 14px;
    }

    .visual {
      position: relative;
    }

    .main-shot {
      background: white;
      border-radius: 18px;
      border: 1px solid var(--line);
      box-shadow: 0 24px 60px rgba(20, 20, 20, 0.10);
      padding: 20px;
    }

    section {
      padding: 44px 0;
    }

    .section-lead {
      max-width: 720px;
      margin-bottom: 22px;
    }

    .muted {
      color: var(--muted);
    }

    .two-col-copy-right {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 32px;
      align-items: center;
    }

    .two-col-copy-left {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 32px;
      align-items: center;
    }

    .center-image {
      display: flex;
      justify-content: center;
    }

    .feature-points {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 12px;
    }

    .feature-points strong {
      font-size: 1rem;
    }

    .how-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 10px;
    }

    .how-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 22px;
      box-shadow: 0 10px 28px rgba(20, 20, 20, 0.04);
    }

    .step-badge {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .how-detail {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 32px;
      align-items: center;
      margin-top: 22px;
    }

    .how-copy h3 {
      margin: 0 0 10px;
      font-size: 1.6rem;
      letter-spacing: -0.025em;
    }

    .how-links {
      display: flex;
      gap: 12px;
      margin-top: 18px;
      flex-wrap: wrap;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 12px;
    }

    .feature-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 22px;
      box-shadow: 0 10px 28px rgba(20, 20, 20, 0.04);
      min-height: 220px;
    }

    .feature-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--accent-soft);
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }

    .features-cta {
      margin-top: 26px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .calendar-detail {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 32px;
      align-items: center;
    }

    .video-wrap {
      display: flex;
      justify-content: center;
      margin-top: 20px;
    }

    .video-frame {
      width: 100%;
      max-width: 760px;
      aspect-ratio: 16 / 9;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: 0 16px 40px rgba(20,20,20,0.08);
      background: #111;
    }

    .demo-cta {
      display: flex;
      gap: 12px;
      justify-content: center;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .pricing-card {
      max-width: 560px;
      margin: 20px auto 0;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px 28px;
      text-align: center;
      box-shadow: 0 16px 40px rgba(20,20,20,0.06);
    }

    .price {
      font-size: 2.7rem;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: -0.03em;
    }

    .price span {
      font-size: 1rem;
      color: var(--muted);
      font-weight: 500;
    }

    .pricing-list {
      list-style: none;
      padding: 0;
      margin: 0 0 22px;
    }

    .pricing-list li {
      margin-bottom: 9px;
      color: var(--muted);
    }

    .pricing-cta {
      margin-top: 12px;
    }

    .guarantee {
      margin-top: 14px;
      font-size: 0.92rem;
      color: var(--muted);
    }

    .final-cta-band {
      padding: 52px 0 64px;
    }

    .final-cta-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: 0 16px 40px rgba(20,20,20,0.06);
      padding: 32px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .final-cta-copy p {
      margin: 0;
      color: var(--muted);
      max-width: 50ch;
    }

    .site-footer {
      background: #f3efe7;
      border-top: 1px solid var(--line);
      padding: 58px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
      gap: 36px;
    }

    .footer-logo {
      height: 42px;
      width: auto;
      margin-bottom: 18px;
    }

    .footer-copy {
      color: var(--muted);
      max-width: 42ch;
      margin-bottom: 14px;
      font-size: 0.96rem;
    }

    .footer-copy-small {
      color: var(--muted);
      font-size: 0.9rem;
      margin: 0;
    }

    .footer-column h4 {
      margin: 0 0 14px;
      font-size: 0.98rem;
      letter-spacing: -0.01em;
    }

    .footer-column {
      display: flex;
      flex-direction: column;
    }

    .footer-column a {
      color: var(--muted);
      text-decoration: none;
      margin-bottom: 10px;
      font-size: 0.94rem;
      transition: color 0.2s ease;
    }

    .footer-column a:hover {
      color: var(--text);
    }

    .footer-bottom {
      margin-top: 42px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      color: var(--muted);
      font-size: 0.85rem;
    }

    @media (max-width: 980px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 900px) {
      .nav {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 14px 0;
      }

      .nav-links {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 16px;
      }

      .nav-actions {
        width: 100%;
      }

      .hero-grid,
      .two-col-copy-right,
      .two-col-copy-left,
      .how-grid,
      .how-detail,
      .features-grid,
      .calendar-detail,
      .final-cta-card {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        max-width: none;
      }

      .cta-row {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(var(--max), calc(100% - 24px));
      }

      .hero {
        padding-top: 32px;
      }

      h2 {
        font-size: 1.7rem;
      }

      .nav-links,
      .nav-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .nav-links a {
        padding: 4px 0;
      }

      .cta-row,
      .demo-cta,
      .features-cta {
        flex-direction: column;
        align-items: stretch;
      }

      .cta,
      .btn-secondary {
        width: 100%;
      }

      .final-cta-card {
        padding: 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }