:root {
  --ink: #1a202c;
  --ink-soft: #6b7280;
  --paper: #e4f1f5;
  --paper-2: #d1e7f0;
  --card: #ffffff;
  --line: #d1e7f0;
  --pine: #022345;
  --pine-2: #033566;
  --moss: #033566;
  --gold: #a4dff5;
  --gold-2: #033566;
  --rose: #8b3a32;
  --ok: #2a6b4a;
  --shadow: 0 18px 50px rgba(2, 35, 69, 0.08);
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 10% -10%, #d8edf8 0%, transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}
a { color: var(--pine); }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0 14px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--pine); color: #e4f1f5;
  display: grid; place-items: center;
  font-family: var(--serif); font-weight: 600; font-size: 18px;
}
.mark-img {
  width: 36px; height: 36px; border-radius: 10px; object-fit: contain; display: block;
}
.brand-name { font-family: var(--serif); font-size: 20px; letter-spacing: -0.02em; }
.brand-name span { color: var(--gold-2); }
.nav { display: flex; gap: 18px; align-items: center; font-size: 14px; }
.nav a:not(.btn) { color: var(--ink-soft); text-decoration: none; }
.nav a:not(.btn):hover { color: var(--ink); }
.btn {
  appearance: none; border: 0; cursor: pointer;
  font-family: var(--sans); font-weight: 600;
  border-radius: 999px; padding: 10px 16px; font-size: 14px;
}
.btn-pine { background: var(--pine); color: #ffffff; }
.btn-pine:hover { background: var(--pine-2); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--paper-2); }
.btn-gold { background: var(--gold); color: #022345; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* Hero */
.hero { padding: 18px 0 8px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: end; }
.kicker {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-2); font-weight: 700; margin: 0 0 8px;
}
h1 {
  font-family: var(--serif); font-weight: 600; letter-spacing: -0.03em;
  font-size: clamp(32px, 5vw, 52px); line-height: 1.05; margin: 0 0 12px;
}
.lede { color: var(--ink-soft); font-size: 18px; max-width: 52ch; margin: 0 0 18px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  font-size: 12px; padding: 6px 10px; border-radius: 999px;
  background: var(--paper-2); border: 1px solid var(--line); color: var(--ink-soft);
}
.hero-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 16px 18px; box-shadow: var(--shadow);
}
.hero-card h2 { font-family: var(--serif); font-size: 18px; margin: 0 0 8px; }
.hero-card p { margin: 0 0 8px; color: var(--ink-soft); font-size: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.stat { background: var(--paper); border-radius: 12px; padding: 10px; }
.stat b { display: block; font-family: var(--serif); font-size: 18px; }
.stat span { font-size: 11px; color: var(--ink-soft); }

/* Layout */
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 12px 0 40px; }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 18px; box-shadow: var(--shadow);
}
.panel h3 {
  font-family: var(--serif); font-size: 20px; margin: 0 0 4px;
}
.hint { color: var(--ink-soft); font-size: 13px; margin: 0 0 14px; }
.section-label {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-2); font-weight: 700; margin: 16px 0 8px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
label { display: block; font-size: 12px; font-weight: 650; color: var(--ink-soft); margin-bottom: 4px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; padding: 9px 10px; font: inherit; color: var(--ink);
}
textarea { min-height: 72px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid #a4dff5; border-color: var(--moss);
}
.seg {
  display: flex; background: var(--paper-2); border-radius: 12px; padding: 4px; gap: 4px; margin-bottom: 12px;
}
.seg button {
  flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 9px;
  font-weight: 650; cursor: pointer; color: var(--ink-soft);
}
.seg button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,.06); }

/* Sessions */
.session {
  border: 1px dashed var(--line); border-radius: 12px; padding: 10px; margin-bottom: 8px;
  background: #fff;
}
.session-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.session-head b { font-size: 13px; }
.linkish { background: none; border: 0; color: var(--rose); cursor: pointer; font: inherit; font-size: 12px; }

/* Preview */
.preview-sheet {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 22px 22px 16px; min-height: 640px; font-size: 12.5px; color: #222;
}
.pv-top { display: flex; justify-content: space-between; gap: 16px; border-bottom: 2px solid var(--pine); padding-bottom: 12px; }
.pv-brand { font-family: var(--serif); font-size: 20px; color: var(--pine-2); }
.pv-doc { text-align: right; }
.pv-doc .kind { font-size: 18px; letter-spacing: .12em; font-weight: 800; color: var(--pine); }
.pv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px 0; }
.pv-k { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: #6b7280; margin-bottom: 4px; }
table.pv { width: 100%; border-collapse: collapse; font-size: 11.5px; }
table.pv th {
  text-align: left; font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  border-bottom: 1px solid #ccc; padding: 6px 4px; color: #6b7280;
}
table.pv td { border-bottom: 1px solid #eee; padding: 6px 4px; vertical-align: top; }
table.pv td.num, table.pv th.num { text-align: right; }
.pv-totals { margin-top: 10px; display: flex; justify-content: flex-end; }
.pv-totals table { width: 220px; }
.pv-note { margin-top: 16px; color: #6b7280; font-size: 11px; }
.pv-foot { margin-top: 18px; border-top: 1px solid #ddd; padding-top: 8px; color: #6b7280; font-size: 10px; display: flex; justify-content: space-between; }

/* Article / SEO */
.article { padding: 10px 0 50px; }
.article-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.prose h2 { font-family: var(--serif); font-size: 28px; margin: 28px 0 8px; }
.prose h3 { font-family: var(--serif); font-size: 20px; margin: 20px 0 6px; }
.prose p, .prose li { color: var(--ink-soft); }
.side-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px;
  position: sticky; top: 16px;
}
.side-card ul { margin: 8px 0 0; padding-left: 18px; }
.side-card a { text-decoration: none; }
.state-index { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0 28px; }
.state-index a {
  text-decoration: none; border: 1px solid var(--line); background: var(--card);
  border-radius: 999px; padding: 6px 10px; font-size: 13px; color: var(--ink);
}
.state-index a:hover { border-color: var(--moss); }
.state-index a.active { background: var(--pine); color: #e4f1f5; border-color: var(--pine); }

.banner {
  background: #e4f1f5; border: 1px solid #a4dff5; color: #022345;
  border-radius: 12px; padding: 10px 12px; font-size: 13px; margin: 8px 0 14px;
}

/* Account / billing */
.account-strip {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  flex-wrap: wrap; background: var(--paper); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 12px; font-size: 13px; margin: 0 0 14px;
}
.acct-note { color: var(--ink-soft); }
.acct-note b { color: var(--pine); }
.acct-actions { display: flex; gap: 12px; }
.acct-link { color: var(--pine); font-weight: 600; }
.acct-link:hover { text-decoration: underline; }
button[disabled] { opacity: .55; cursor: default; }

#accountDialog {
  border: 1px solid var(--line); border-radius: 16px; padding: 18px;
  width: min(420px, calc(100% - 32px)); box-shadow: var(--shadow);
  font-family: var(--sans); color: var(--ink);
}
#accountDialog::backdrop { background: rgba(2, 35, 69, .35); }
.acct-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.acct-head b { font-family: var(--serif); font-size: 18px; }
.acct-msg {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; font-size: 13px; margin-bottom: 8px;
}
.acct-msg.err { background: #fdf0ee; border-color: #e4b8b2; color: var(--rose); }

@media (max-width: 640px) {
  .account-strip { flex-direction: column; align-items: flex-start; }
}
.fine { font-size: 12px; color: #6b7280; }
footer {
  border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-soft); font-size: 13px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px; }
footer h4 { margin: 0 0 8px; font-family: var(--serif); color: var(--ink); }

@media (max-width: 900px) {
  .hero, .app-grid, .article-grid, .foot-grid, .grid-2, .grid-3, .pv-grid { grid-template-columns: 1fr; }
  .nav .hide-sm { display: none; }
  .preview-sheet { min-height: 0; }
}
@media print {
  .site-header, .hero, .panel:first-child, .article, footer, .btn-row, .banner, .account-strip, #accountDialog { display: none !important; }
  body { background: #fff; }
  .app-grid { display: block; }
  .preview-sheet { box-shadow: none; border: 0; }
}