/* ========================================================
   Seafarer — Modern Static V1 (Dark Mode)
   ======================================================== */

   :root {
    --max: 980px;
  
    /* Backgrounds */
    --bg: #101a30;
    --card: rgba(17, 24, 39, 0.88);
    --card-solid: #111827;
  
    /* Text */
    --text: #f3f4f6;
    --muted: #cbd5e1;
  
    /* UI */
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  
    /* Accent */
    --link: #7db7ff;
    --link-hover: #a8d1ff;
  
    --radius: 18px;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    padding-top: 76px;
  
    background:
      radial-gradient(900px 550px at 20% 0%, rgba(17, 24, 39, 0.62), transparent 100%),
      radial-gradient(900px 550px at 80% 10%, rgba(17, 24, 39, 0.62), transparent 100%),
      var(--bg);
  
    color: var(--text);
  
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
      Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 16px;
    line-height: 1.75;
  
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center top;
  }
  
  /* Header / Navigation */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 15, 25, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }
  
  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.95rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
  
  .brand {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
  }
  
  .brand:hover {
    color: var(--text);
    text-decoration: none;
  }
  
  .site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
  }
  
  .site-nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.95;
    transition: opacity 0.2s ease, color 0.2s ease;
  }
  
  .site-nav a:hover {
    opacity: 1;
    color: var(--link-hover);
    text-decoration: none;
  }
  
  .site-nav a.active {
    color: var(--link-hover);
    opacity: 1;
    font-weight: 600;
  }
  
  .nav-toggle {
    display: none;
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    cursor: pointer;
    padding: 0.25rem;
    margin: 0;
    line-height: 1;
  }
  
  .hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    background: var(--text);
    border-radius: 999px;
  }
  
  /* Layout */
  .container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 56px 18px;
  }
  
  .card {
    max-width: 820px;
    margin: 0 auto;
    padding: 34px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--card);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
  }
  
  .logo {
    display: block;
    max-width: 280px;
    margin: 40px auto;
  }
  
  .logo2 {
    display: block;
    max-width: 180px;
    margin: 5px auto;
  }
  
  /* Hero */
  .hero {
    margin-bottom: 22px;
  }
  
  .hero_title {
    margin-bottom: 18px;
    text-align: center;
    font-size: 20px;
    color: var(--muted);
  }
  
  .hero_description {
    margin-bottom: 18px;
    text-align: center;
    font-size: 36px;
  }
  
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
  }
  
  /* Typography */
  h1,
  h2,
  h3 {
    margin: 0 0 10px;
    letter-spacing: -0.02em;
    color: var(--text);
  }
  
  h1 {
    margin-top: 14px;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.08;
  }
  
  h2 {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    font-size: clamp(18px, 2.2vw, 22px);
    line-height: 1.25;
  }
  
  h3 {
    margin-top: 22px;
    margin-bottom: 8px;
    font-size: 1.15rem;
    line-height: 1.35;
    color: var(--text);
  }
  
  .lead {
    margin: 10px 0 0;
    font-size: 18px;
    color: var(--muted);
    max-width: 65ch;
  }
  
  .lead_title {
    margin: 10px auto 0;
    font-size: 18px;
    color: var(--muted);
    max-width: 65ch;
    text-align: center;
  }
  
  p {
    margin: 0 0 14px;
    color: var(--muted);
  }
  
  strong {
    color: var(--text);
  }
  
  /* Lists */
  ul {
    margin: 10px 0 16px;
    padding-left: 20px;
    color: var(--muted);
  }
  
  li {
    margin: 10px 0;
  }
  
  /* Actions / buttons */
  .actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    flex-wrap: wrap;
  }
  
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(96, 165, 250, 0.35);
    background: rgba(96, 165, 250, 0.18);
    color: var(--link);
    font-weight: 700;
    text-decoration: none;
  }
  
  .button:hover {
    background: rgba(96, 165, 250, 0.26);
    border-color: rgba(96, 165, 250, 0.5);
    color: var(--link-hover);
  }
  
  .button-ghost {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
  }
  
  .button-ghost:hover {
    background: rgba(255, 255, 255, 0.09);
  }
  
  /* Global links */
  a {
    color: var(--link);
    text-decoration: none;
    text-underline-offset: 3px;
  }
  
  a:hover {
    color: var(--link-hover);
    text-decoration: underline;
  }
  
  /* Footer */
  .footer {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    flex-wrap: wrap;
  }
  
  .footer .dot {
    opacity: 0.5;
  }
  
  /* Media */
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  /* Selection */
  ::selection {
    background: rgba(96, 165, 250, 0.28);
  }
  
  /* Mobile */
  @media (max-width: 768px) {
    body {
      padding-top: 72px;
    }
  
    .nav-toggle {
      display: block;
    }
  
    .site-nav {
      position: absolute;
      top: 100%;
      right: 1rem;
      left: 1rem;
      display: none;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      background: rgba(10, 15, 25, 0.98);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      padding: 0.4rem 0;
    }
  
    .site-nav.nav-open {
      display: flex;
    }
  
    .site-nav a {
      width: 100%;
      padding: 0.85rem 1rem;
    }
  }
  
  @media (max-width: 640px) {
    .container {
      padding: 42px 14px;
    }
  
    .card {
      padding: 26px 18px;
    }
  
    .lead {
      font-size: 16.5px;
    }
  
    .hero_description {
      font-size: 30px;
    }
  
    .brand {
      font-size: 1.25rem;
    }
  }