:root {
    --bg: #0f0f0f;
    --surface: #1a1a1a;
    --border: #2a2a2a;
    --text: #ececec;
    --muted: #9b9b9b;
    --accent: #10a37f;
    --accent-hover: #0d8f6e;
    --radius: 14px;
    --font: "Inter", system-ui, -apple-system, sans-serif;
    --max: 920px;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  
  a {
    color: var(--accent);
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  .container {
    width: min(100% - 40px, var(--max));
    margin-inline: auto;
  }
  
  /* Header */
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 20px;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
  }
  
  .logo:hover {
    text-decoration: none;
    opacity: 0.9;
  }
  
  .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent);
    display: grid;
    place-items: center;
    font-size: 18px;
  }
  
  .nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
  }
  
  .nav a {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
  }
  
  .nav a:hover {
    color: var(--text);
    text-decoration: none;
  }
  
  .nav-toggle {
    display: none;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    padding: 10px 14px;
    cursor: pointer;
    font-family: inherit;
  }
  
  @media (max-width: 720px) {
    .nav-toggle {
      display: block;
    }
  
    .nav {
      display: none;
      width: 100%;
      flex-direction: column;
      align-items: flex-start;
      padding: 12px 0 4px;
      border-top: 1px solid var(--border);
      margin-top: 8px;
    }
  
    .nav.is-open {
      display: flex;
    }
  }
  
  /* Hero */
  
  .hero {
    padding: 72px 0 56px;
  }
  
  .hero h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0 0 16px;
  }
  
  .hero p.lead {
    font-size: 1.125rem;
    color: var(--muted);
    max-width: 560px;
    margin: 0 0 28px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, transform 0.1s;
  }
  
  .btn-primary {
    background: var(--accent);
    color: #fff;
  }
  
  .btn-primary:hover {
    background: var(--accent-hover);
    text-decoration: none;
  }
  
  .btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
  }
  
  .btn-ghost:hover {
    color: var(--text);
    border-color: var(--muted);
  }
  
  /* Sections */
  
  section {
    padding: 56px 0;
  }
  
  section.alt {
    background: var(--surface);
    border-block: 1px solid var(--border);
  }
  
  h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
  }
  
  .section-desc {
    color: var(--muted);
    margin: 0 0 28px;
    max-width: 640px;
  }
  
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
  }
  
  .card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
  }
  
  section.alt .card {
    background: #141414;
  }
  
  .card h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
    font-weight: 600;
  }
  
  .card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
  }
  
  /* Form */
  
  .form-card {
    max-width: 520px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
  }
  
  label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 6px;
  }
  
  input,
  textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 16px;
  }
  
  input:focus,
  textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.2);
  }
  
  textarea {
    min-height: 140px;
    resize: vertical;
  }
  
  .form-status {
    margin-top: 12px;
    font-size: 0.9rem;
  }
  
  .form-status.success {
    color: var(--accent);
  }
  
  .form-status.error {
    color: #f87171;
  }
  
  /* Legal pages */
  
  .prose {
    max-width: 720px;
  }
  
  .prose h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 8px;
  }
  
  .prose .updated {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
  }
  
  .prose h2 {
    font-size: 1.2rem;
    margin-top: 32px;
  }
  
  .prose p,
  .prose li {
    color: #c4c4c4;
  }
  
  .prose ul {
    padding-left: 1.25rem;
  }
  
  /* Footer */
  
  .site-footer {
    border-top: 1px solid var(--border);
    padding: 28px 0;
    margin-top: 40px;
  }
  
  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 0.88rem;
  }
  
  .footer-links {
    display: flex;
    gap: 20px;
  }
  