:root {
    --ground: #F8F9F7;
    --surface: #FFFFFF;
    --ink: #16211E;
    --muted: #5C6B66;
    --line: #E1E7E3;
    --accent: #14655A;
    --accent-strong: #0E4F46;
    --accent-soft: #E2F0EC;
    --accent-ink: #FFFFFF;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --ground: #101715;
      --surface: #1A2420;
      --ink: #ECF2EF;
      --muted: #9DAFA8;
      --line: #2B3833;
      --accent: #3FBFA3;
      --accent-strong: #62D0B8;
      --accent-soft: #1E332D;
      --accent-ink: #0F1714;
    }
  }
  :root[data-theme="dark"] {
    --ground: #101715;
    --surface: #1A2420;
    --ink: #ECF2EF;
    --muted: #9DAFA8;
    --line: #2B3833;
    --accent: #3FBFA3;
    --accent-strong: #62D0B8;
    --accent-soft: #1E332D;
    --accent-ink: #0F1714;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
  }

  body {
    background: var(--ground);
    color: var(--ink);
    font-family: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 1.0625rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 {
    font-family: "Archivo", "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.12;
    text-wrap: balance;
  }

  .wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }

  a:focus-visible, button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* ---------- Header ---------- */
  header {
    border-bottom: 1px solid var(--line);
    background: var(--ground);
  }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 0;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: var(--ink);
    font-family: "Archivo", system-ui, sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: .02em;
  }
  .brand svg { display: block; color: var(--accent); }
  .nav-links { display: flex; align-items: center; gap: 1.6rem; }
  .nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    font-size: .95rem;
  }
  .nav-links a:hover { color: var(--ink); }
  .btn {
    display: inline-block;
    background: var(--accent);
    color: var(--accent-ink);
    text-decoration: none;
    font-family: "Archivo", system-ui, sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: .8rem 1.5rem;
    border-radius: 6px;
    transition: background .15s ease;
  }
  .btn:hover { background: var(--accent-strong); }
  .btn-ghost {
    display: inline-block;
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: .8rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 6px;
  }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  @media (max-width: 44rem) {
    .nav-links a:not(.btn) { display: none; }
  }

  /* ---------- Hero ---------- */
  .hero { padding: 5rem 0 4.5rem; }
  .eyebrow {
    display: inline-block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
  }
  .hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 3.6rem);
    font-weight: 800;
    max-width: 20ch;
    margin-bottom: 1.3rem;
  }
  .hero h1 em {
    font-style: normal;
    color: var(--accent);
  }
  .hero p {
    max-width: 34rem;
    font-size: 1.15rem;
    color: var(--muted);
    margin-bottom: 2.2rem;
  }
  .hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }

  /* ---------- Sections ---------- */
  section { padding: 4.5rem 0; }
  section + section { border-top: 1px solid var(--line); }
  .section-head { margin-bottom: 2.6rem; max-width: 38rem; }
  .section-head h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    margin-bottom: .8rem;
  }
  .section-head p { color: var(--muted); }

  /* Steps */
  .steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1.2rem;
  }
  .step {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1.8rem 1.6rem;
  }
  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-family: "Archivo", system-ui, sans-serif;
    font-weight: 800;
    font-size: 1rem;
    margin-bottom: 1.1rem;
  }
  .step h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
  .step p { color: var(--muted); font-size: .98rem; }

  /* Trades */
  .trades {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
  }
  .trade {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .55rem 1.15rem;
    font-weight: 500;
    font-size: .95rem;
  }
  .trades-note { margin-top: 1.6rem; color: var(--muted); font-size: .95rem; }
  .trades-note a { color: var(--accent); font-weight: 600; }

  /* Why */
  .why {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
    gap: 2rem 2.5rem;
  }
  .why-item { display: flex; gap: 1rem; align-items: flex-start; }
  .why-item svg { flex-shrink: 0; margin-top: .3rem; color: var(--accent); }
  .why-item h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: .35rem; }
  .why-item p { color: var(--muted); font-size: .97rem; }

  /* Contact */
  .contact-card {
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 14px;
    padding: 3.2rem 2.5rem;
    text-align: center;
  }
  .contact-card h2 {
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: .9rem;
  }
  .contact-card p {
    max-width: 32rem;
    margin: 0 auto 2rem;
    opacity: .92;
  }
  .btn-invert {
    display: inline-block;
    background: var(--accent-ink);
    color: var(--accent);
    text-decoration: none;
    font-family: "Archivo", system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    padding: .9rem 1.8rem;
    border-radius: 6px;
  }

  /* Footer */
  footer {
    border-top: 1px solid var(--line);
    padding: 2.2rem 0 2.8rem;
    color: var(--muted);
    font-size: .92rem;
  }
  .foot {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem 2rem;
    justify-content: space-between;
    align-items: center;
  }
  footer a { color: inherit; }

  /* Contact alt line */
  .contact-alt { margin-top: 1.4rem; font-size: .95rem; opacity: .92; }
  .contact-alt a { color: inherit; font-weight: 600; }

  /* Footer columns */
  .foot-col { line-height: 1.9; }
  .foot-col strong { color: var(--ink); font-family: "Archivo", system-ui, sans-serif; }

  /* Legal pages */
  .legal { padding: 3.5rem 0 4.5rem; }
  .legal .wrap { max-width: 44rem; }
  .legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; margin-bottom: .4rem; }
  .legal .updated { color: var(--muted); font-size: .9rem; margin-bottom: 2.4rem; }
  .legal h2 { font-size: 1.25rem; font-weight: 700; margin: 2.2rem 0 .6rem; }
  .legal p { margin-bottom: 1rem; }
  .legal ul { padding-left: 1.3rem; margin: .4rem 0 1rem; }
  .legal li { margin-bottom: .35rem; }
  .legal a { color: var(--accent); }