@font-face {
  font-family: 'Source Serif';
  src: local('Source Serif 4'), local('Source Serif Pro');
}

:root {
  --paper: #EFE3CD;
  --ink: #1B1814;
  --muted: #8C7A5C;
  --line: #DDCBA8;
  --umber: #5B4A36;
  --moss: #2E4034;
  --paper-raised: #F7EEDC;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  font-size: 16px;
  line-height: 1.55;
}

.serif {
  font-family: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
}

a { color: var(--umber); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--umber);
  outline-offset: 2px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header / masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--line);
  padding: 28px 0 22px;
}
.masthead .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.masthead .mark {
  font-family: Georgia, serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.masthead nav a {
  color: var(--muted);
  font-size: 14px;
  margin-left: 20px;
}
.masthead nav a:hover { color: var(--ink); }

/* ---------- hero ---------- */
.hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}
.hero .kicker {
  color: var(--umber);
  font-size: 14px;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: Georgia, serif;
  font-size: 42px;
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 20px;
  max-width: 14ch;
}
.hero p {
  font-size: 18px;
  color: #3a352d;
  max-width: 46ch;
  margin: 0 0 28px;
}
.hero .actions { display: flex; gap: 14px; }

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 3px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--umber);
  color: var(--paper-raised);
}
.btn-primary:hover { background: #4a3c2c; text-decoration: none; }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--umber); text-decoration: none; }

/* ---------- sections ---------- */
.section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.section h2 {
  font-family: Georgia, serif;
  font-size: 24px;
  margin: 0 0 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature .num {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}
.feature h3 {
  font-size: 17px;
  margin: 0 0 8px;
}
.feature p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
}

/* ---------- forms ---------- */
.panel {
  max-width: 420px;
  margin: 64px auto;
  padding: 36px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.panel h1 {
  font-family: Georgia, serif;
  font-size: 24px;
  margin: 0 0 6px;
}
.panel .sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 28px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  font-family: inherit;
}
.field input:focus { border-color: var(--umber); }
.error {
  background: #f3e5df;
  border: 1px solid #d8b8a8;
  color: #6b3a25;
  padding: 10px 14px;
  border-radius: 3px;
  font-size: 14px;
  margin-bottom: 18px;
}

/* ---------- dashboard ---------- */
.dash-header {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.dash-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dash-header .who { font-size: 14px; color: var(--muted); }
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 32px 0;
}
.stat {
  background: var(--paper-raised);
  padding: 22px 24px;
}
.stat .label { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.stat .value { font-family: Georgia, serif; font-size: 28px; }

table.keys {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.keys th {
  text-align: left;
  color: var(--muted);
  font-weight: 400;
  font-size: 12.5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
table.keys td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.keys code {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 13px;
  background: var(--paper);
  padding: 2px 6px;
  border-radius: 3px;
}
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
}
.badge-active { background: #e3e9df; color: var(--moss); }
.badge-revoked { background: #f0e3dd; color: #8a4a30; }

.inline-form { display: flex; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.inline-form input, .inline-form select {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-raised);
  font-family: inherit;
  font-size: 14px;
}
.link-btn {
  background: none;
  border: none;
  color: var(--umber);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }

footer {
  padding: 32px 0 60px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .grid-3 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
}