:root {
    --brand-50:#ecfdf5; --brand-100:#d1fae5; --brand-500:#2E7D5F; --brand-600:#257a4f; --brand-700:#1d6b41; --brand-900:#0d4d27;
    --gray-50:#f9fafb; --gray-100:#f3f4f6; --gray-200:#e5e7eb; --gray-400:#9ca3af; --gray-500:#6b7280; --gray-600:#4b5563; --gray-800:#1f2937; --gray-900:#111827;
    --red:#c2492b;
  }
  * { box-sizing:border-box; }
  html { scroll-behavior:smooth; }
  body { margin:0; font:16px/1.6 'Inter', system-ui, sans-serif; color:var(--gray-800); background:#fff; -webkit-font-smoothing:antialiased; }
  a { color:var(--brand-600); }
  .wrap { max-width:1120px; margin:0 auto; padding:0 20px; }
  h1, h2, h3 { color:var(--gray-900); letter-spacing:-.02em; }
  h1 { font-size:clamp(32px, 5vw, 52px); line-height:1.1; font-weight:800; margin:0 0 18px; }
  h2 { font-size:clamp(26px, 3.4vw, 36px); line-height:1.2; font-weight:800; margin:0 0 12px; }
  h3 { font-size:18px; font-weight:700; margin:0 0 6px; }
  p { margin:0 0 12px; }
  .lead { font-size:19px; color:var(--gray-600); }
  .muted { color:var(--gray-500); }
  .eyebrow { display:inline-block; font-size:13px; font-weight:600; color:var(--brand-700); background:var(--brand-50); border:1px solid var(--brand-100); padding:4px 12px; border-radius:999px; margin-bottom:16px; }

  nav { position:sticky; top:0; z-index:50; background:rgba(255,255,255,.95); backdrop-filter:blur(6px); border-bottom:1px solid var(--gray-100); box-shadow:0 1px 2px rgba(0,0,0,.04); }
  nav .wrap { display:flex; align-items:center; justify-content:space-between; gap:16px; height:68px; }
  .logo { display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--gray-900); font-weight:700; }
  .logo img { height:40px; width:auto; }
  .logo span { padding-left:10px; border-left:1px solid var(--gray-200); color:var(--brand-700); }
  .navlinks { display:flex; align-items:center; gap:22px; font-size:15px; }
  .navlinks a { color:var(--gray-600); text-decoration:none; font-weight:500; }
  .navlinks a:hover { color:var(--brand-600); }
  #who { font-size:14px; color:var(--gray-500); }

  .btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:12px 22px; border-radius:12px; border:1px solid var(--gray-200); background:#fff; color:var(--gray-800); font:600 15px 'Inter', sans-serif; cursor:pointer; text-decoration:none; transition:background .15s, border-color .15s; }
  .btn:hover { border-color:var(--gray-400); }
  .btn.primary { background:var(--brand-500); border-color:var(--brand-500); color:#fff; }
  .btn.primary:hover { background:var(--brand-700); border-color:var(--brand-700); }
  .btn.small { padding:8px 14px; font-size:14px; border-radius:10px; }
  .btn:disabled { opacity:.6; cursor:default; }

  section { padding:80px 0; }
  .gray { background:var(--gray-50); }
  .hero { padding:64px 0 80px; }
  .hero .wrap { display:grid; grid-template-columns:1.05fr 1fr; gap:48px; align-items:center; }
  .hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:26px; }
  .shot { border-radius:20px; overflow:hidden; box-shadow:0 20px 50px rgba(13,77,39,.18); border:1px solid var(--gray-200); background:#fff; }
  .shot img { display:block; width:100%; height:auto; }
  .ticks { list-style:none; padding:0; margin:22px 0 0; display:grid; gap:8px; color:var(--gray-600); }
  .ticks li::before { content:"✓"; color:var(--brand-500); font-weight:800; margin-right:10px; }

  .center { text-align:center; max-width:680px; margin:0 auto 44px; }
  .cards { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }
  .card { background:#fff; border:1px solid var(--gray-100); border-radius:20px; padding:28px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
  .gray .card { border-color:var(--gray-200); }
  .icon { width:52px; height:52px; border-radius:16px; background:var(--brand-500); color:#fff; display:flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:18px; box-shadow:0 8px 20px rgba(46,125,95,.25); }

  .plans { display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:20px; max-width:1000px; margin:0 auto; }
  .plan { display:flex; flex-direction:column; }
  .plan.best { border:2px solid var(--brand-500); }
  .price { font-size:40px; font-weight:800; color:var(--gray-900); letter-spacing:-.03em; margin:8px 0 2px; }
  .price-note { font-size:13px; color:var(--gray-500); margin-bottom:18px; }
  .plan ul { list-style:none; padding:0; margin:0 0 24px; flex:1; display:grid; gap:8px; color:var(--gray-600); font-size:15px; }
  .plan li::before { content:"✓"; color:var(--brand-500); font-weight:800; margin-right:10px; }

  .dark { background:var(--gray-900); color:#d1d5db; }
  .dark h2, .dark h3 { color:#fff; }
  .steps { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; counter-reset:step; }
  .step { counter-increment:step; }
  .step::before { content:counter(step); display:flex; width:40px; height:40px; border-radius:50%; background:var(--brand-500); color:#fff; font-weight:800; align-items:center; justify-content:center; margin-bottom:14px; }

  .signin { max-width:440px; margin:0 auto; display:grid; gap:12px; }
  input { width:100%; padding:13px 16px; border:1px solid var(--gray-200); border-radius:12px; font:15px 'Inter', sans-serif; outline:none; }
  input:focus { border-color:var(--brand-500); box-shadow:0 0 0 3px var(--brand-100); }
  .or { text-align:center; color:var(--gray-400); font-size:13px; }

  .notice { position:sticky; top:68px; z-index:40; padding:14px 20px; background:var(--brand-50); border-bottom:1px solid var(--brand-100); color:var(--brand-900); font-weight:500; text-align:center; }
  .notice.bad { background:#fdeee9; border-color:#f6d3c9; color:var(--red); }

  .mine-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }
  table { width:100%; border-collapse:collapse; font-size:15px; }
  td, th { text-align:left; padding:12px 8px; border-bottom:1px solid var(--gray-100); }
  th { font-size:13px; color:var(--gray-500); font-weight:600; }
  .ok { color:var(--brand-600); font-weight:600; } .bad { color:var(--red); font-weight:600; }
  code { background:var(--gray-100); padding:2px 7px; border-radius:6px; font-size:14px; }
  .video { position:relative; padding-top:56.25%; border-radius:20px; overflow:hidden; background:#000; box-shadow:0 20px 50px rgba(0,0,0,.15); }
  .video iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }

  details { background:#fff; border:1px solid var(--gray-200); border-radius:16px; padding:18px 22px; margin-bottom:12px; }
  summary { cursor:pointer; font-weight:600; color:var(--gray-900); }
  details p { margin:12px 0 0; color:var(--gray-600); }

  footer { background:var(--gray-800); color:var(--gray-400); padding:40px 0; font-size:14px; }
  footer .wrap { display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; }
  footer a { color:#e5e7eb; text-decoration:none; }
  .hidden { display:none !important; }

  @media (max-width:880px) {
    .hero .wrap, .cards, .steps, .mine-grid { grid-template-columns:1fr; }
    .navlinks .hide-sm { display:none; }
    section { padding:56px 0; }
  }