:root {
  --bg: #f7f9f8;
  --surface: #ffffff;
  --ink: #14231d;
  --ink-2: #4a6058;
  --line: #e1e8e4;
  --brand: #0d7a5f;
  --brand-dark: #0a5f4a;
  --brand-ghost: #e7f4ef;
  --pos: #0d7a5f;
  --neg: #b3352c;
  --warn-bg: #fdf6e3;
  --warn-line: #ecd9a0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20, 35, 29, .08), 0 8px 24px rgba(20, 35, 29, .06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}
.container { max-width: 1060px; margin: 0 auto; padding: 0 22px; }
h1 { font-size: clamp(28px, 4.4vw, 44px); line-height: 1.15; letter-spacing: -.02em; margin: 18px 0; }
h1 em { color: var(--brand); font-style: normal; }
h2 { font-size: clamp(22px, 3vw, 30px); letter-spacing: -.01em; margin: 0 0 26px; text-align: center; }
h3 { margin: 8px 0; font-size: 18px; }
a { color: var(--brand); text-decoration: none; }
.tiny { font-size: 13px; color: var(--ink-2); }
.dim { color: #7c8b85; }
.err { color: var(--neg); font-size: 14px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(247, 249, 248, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 20px; height: 60px; }
.logo { font-size: 18px; color: var(--ink); }
.logo b { color: var(--brand); }
.nav nav { display: flex; gap: 18px; margin-left: 8px; }
.nav nav a { color: var(--ink-2); font-size: 14.5px; }
.nav nav a:hover { color: var(--brand); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
@media (max-width: 760px) { .nav nav { display: none; } }
@media (max-width: 600px) {
  .nav-cta .btn-ghost { display: none; }
  .nav-cta .btn { padding: 7px 10px; font-size: 13px; }
  .logo { font-size: 16px; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 10px; border: 1px solid transparent; padding: 9px 16px; font-size: 14.5px; font-weight: 600; cursor: pointer; transition: .15s; white-space: nowrap; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 2px 8px rgba(13, 122, 95, .28); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: var(--brand-ghost); color: var(--brand-dark); }
.btn-ghost:hover { background: #d9ece4; }
.btn-lg { padding: 13px 24px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* hero */
.hero { padding: 64px 0 46px; text-align: center; background: linear-gradient(180deg, #eef6f2 0%, var(--bg) 100%); }
.badge { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 100px; padding: 6px 14px; font-size: 13.5px; color: var(--brand-dark); font-weight: 600; }
.sub { max-width: 640px; margin: 0 auto 26px; color: var(--ink-2); font-size: 17.5px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.trust-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 26px; font-size: 14px; color: var(--ink-2); font-weight: 600; }

/* app */
.app-section { padding: 40px 0 50px; }
.drop-zone { background: var(--surface); border: 2px dashed #b5cdc2; border-radius: var(--radius); padding: 44px 20px; text-align: center; cursor: pointer; transition: .15s; box-shadow: var(--shadow); }
.drop-zone:hover, .drop-zone.over { border-color: var(--brand); background: #fbfefd; }
.drop-icon { font-size: 34px; }
.drop-title { font-size: 19px; font-weight: 700; margin-top: 6px; }
.drop-sub { color: var(--ink-2); font-size: 14px; margin-top: 4px; }
.under-drop { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; flex-wrap: wrap; gap: 8px; }
.license-ok { color: var(--brand-dark); font-weight: 700; font-size: 14px; }
.status { min-height: 20px; font-size: 14px; color: var(--ink-2); }
.status.warn { color: var(--neg); }

.file-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip { background: var(--brand-ghost); color: var(--brand-dark); border-radius: 100px; padding: 5px 13px; font-size: 13px; font-weight: 600; }
.chip-warn { background: var(--warn-bg); color: #8a6d1c; }
.chip-err { background: #fbe9e7; color: var(--neg); }

.summary { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 18px; display: flex; flex-direction: column; }
.stat b { font-size: 19px; }
.stat span { font-size: 12.5px; color: var(--ink-2); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }

.gate { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; font-size: 14.5px; }
.gate-actions { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }

.export-bar { display: flex; gap: 10px; margin: 14px 0; flex-wrap: wrap; }
.export-bar select { border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; font-size: 14.5px; background: var(--surface); min-width: 260px; }

.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; max-height: 460px; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 13.8px; }
thead th { position: sticky; top: 0; background: #f0f5f2; text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
tbody td { padding: 8px 12px; border-bottom: 1px solid #eef2f0; }
tbody tr:nth-child(even) { background: #fafcfb; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num { text-align: right; }
.nowrap { white-space: nowrap; }

/* features */
.features { padding: 56px 0; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card-icon { font-size: 26px; }
.card p { color: var(--ink-2); font-size: 14.5px; margin: 6px 0 0; }

/* pricing */
.pricing { padding: 56px 0; }
.price-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; max-width: 760px; margin: 0 auto; }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px; text-align: center; position: relative; }
.price-card.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--brand); color: #fff; font-size: 12.5px; font-weight: 700; border-radius: 100px; padding: 4px 14px; white-space: nowrap; }
.price { font-size: 38px; font-weight: 800; letter-spacing: -.02em; margin: 6px 0; }
.price small { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.price-card ul { list-style: none; padding: 0; margin: 14px 0 20px; text-align: left; font-size: 14.5px; color: var(--ink-2); }
.price-card li { padding: 4px 0; }
.compare-note { text-align: center; color: var(--ink-2); margin-top: 26px; font-size: 14.5px; }

/* faq */
.faq { padding: 56px 0; background: #fff; border-top: 1px solid var(--line); }
.faq details { max-width: 720px; margin: 0 auto 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; }
.faq summary { font-weight: 700; cursor: pointer; font-size: 15.5px; }
.faq p { color: var(--ink-2); font-size: 14.5px; margin: 10px 0 2px; }

footer { padding: 34px 0 44px; text-align: center; display: grid; gap: 8px; }

/* modal */
dialog { border: none; border-radius: 16px; box-shadow: 0 24px 64px rgba(0, 0, 0, .25); padding: 26px; width: min(420px, 92vw); }
dialog::backdrop { background: rgba(15, 30, 24, .45); }
dialog h3 { margin-top: 0; }
dialog input { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; font-size: 15px; font-family: ui-monospace, Consolas, monospace; letter-spacing: .04em; margin: 8px 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin: 12px 0 6px; }

body.licensed .gate { display: none; }