:root {
    color-scheme: dark;
    --background: #06101f;
    --surface: rgba(13, 29, 52, 0.82);
    --text: #f5f9ff;
    --muted: #a9b9cf;
    --border: rgba(148, 180, 216, 0.2);
    --primary: #7dd3fc;
    --accent: #93c5fd;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
      radial-gradient(
        circle at 12% 8%,
        rgba(56, 189, 248, 0.14),
        transparent 30rem
      ),
      radial-gradient(
        circle at 88% 28%,
        rgba(99, 102, 241, 0.12),
        transparent 28rem
      ),
      var(--background);
    font-family:
      Inter,
      ui-sans-serif,
      system-ui,
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      sans-serif;
    line-height: 1.65;
  }

  a {
    color: var(--primary);
  }

  a:hover {
    color: #bae6fd;
  }

  .container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    background: rgba(6, 16, 31, 0.84);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .brand {
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    text-decoration: none;
  }

  .brand span {
    color: var(--primary);
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .site-nav a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    color: var(--text);
  }

  .hero {
    padding: 104px 0 72px;
  }

  .hero-content {
    max-width: 800px;
  }

  .eyebrow {
    display: inline-flex;
    margin: 0 0 20px;
    padding: 7px 12px;
    border: 1px solid rgba(125, 211, 252, 0.28);
    border-radius: 999px;
    color: var(--primary);
    background: rgba(56, 189, 248, 0.08);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  h1,
  h2,
  h3 {
    margin-top: 0;
    line-height: 1.18;
    letter-spacing: -0.035em;
  }

  h1 {
    max-width: 780px;
    margin-bottom: 24px;
    font-size: clamp(2.5rem, 7vw, 5rem);
  }

  h2 {
    margin-bottom: 16px;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
  }

  h3 {
    margin-bottom: 10px;
    font-size: 1.12rem;
  }

  .lead {
    max-width: 700px;
    margin: 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.24rem);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
  }

  .button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    background: var(--surface);
    font-weight: 800;
    text-decoration: none;
  }

  .button:hover {
    color: var(--text);
    border-color: rgba(125, 211, 252, 0.5);
  }

  .button-primary {
    color: #06101f;
    border-color: var(--primary);
    background:
      linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
      );
  }

  .button-primary:hover {
    color: #06101f;
  }

  .section {
    padding: 34px 0 78px;
  }

  .section-copy {
    max-width: 720px;
    margin-bottom: 28px;
    color: var(--muted);
  }

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

  .card,
  .notice,
  .policy-content,
  .policy-nav {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .card {
    padding: 26px;
  }

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

  .card-number {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    border-radius: 10px;
    color: #06101f;
    background: var(--primary);
    font-weight: 900;
  }

  .notice {
    padding: 28px;
    border-color:
      rgba(134, 239, 172, 0.28);
    background:
      rgba(34, 197, 94, 0.08);
  }

  .notice p {
    margin: 0;
    color: #d6fbe1;
  }

  .policy-hero {
    padding: 74px 0 38px;
  }

  .policy-hero h1 {
    max-width: none;
    margin-bottom: 16px;
    font-size: clamp(2.25rem, 6vw, 4rem);
  }

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

  .policy-layout {
    display: grid;
    grid-template-columns:
      240px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
    padding-bottom: 80px;
  }

  .policy-nav {
    position: sticky;
    top: 94px;
    padding: 18px;
  }

  .policy-nav strong {
    display: block;
    margin-bottom: 10px;
  }

  .policy-nav a {
    display: block;
    padding: 7px 0;
    color: var(--muted);
    font-size: 0.9rem;
    text-decoration: none;
  }

  .policy-nav a:hover {
    color: var(--primary);
  }

  .policy-content {
    padding: clamp(24px, 5vw, 48px);
  }

  .policy-content section + section {
    margin-top: 42px;
    padding-top: 42px;
    border-top: 1px solid var(--border);
  }

  .policy-content p,
  .policy-content li {
    color: var(--muted);
  }

  .policy-content li + li {
    margin-top: 8px;
  }

  .site-footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
  }

  .footer-inner {
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .footer-links a {
    color: var(--muted);
    text-decoration: none;
  }

  .footer-links a:hover {
    color: var(--primary);
  }

  @media (max-width: 760px) {
    .container {
      width: min(100% - 28px, 1120px);
    }

    .site-nav a:not(.button) {
      display: none;
    }

    .hero {
      padding: 72px 0 54px;
    }

    .card-grid,
    .policy-layout {
      grid-template-columns: 1fr;
    }

    .policy-nav {
      position: static;
    }

    .footer-inner {
      align-items: flex-start;
      flex-direction: column;
      padding: 28px 0;
    }
  }