/* sesjum.pl — statyczna strona etapu 0 (ADR-004 pkt 13). Bez fontów
   i skryptów zewnętrznych, bez ciasteczek. */

:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --text: #24302a;
  --muted: #56645b;
  --primary: #3f6b52;
  --primary-dark: #2f5440;
  --accent: #e4ece6;
  --border: #dde3de;
  --radius: 14px;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
}

a {
  color: var(--primary-dark);
}

a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.narrow {
  max-width: 760px;
}

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 30px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
}

.hero {
  padding: 64px 0 48px;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  margin: 16px 0 16px;
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 16px;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 6px;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 44em;
  margin: 0 0 24px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  background: var(--primary-dark);
}

section {
  padding: 40px 0;
}

section.alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

section.alt .card {
  background: var(--bg);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

footer.site {
  padding: 32px 0 48px;
  color: var(--muted);
  font-size: 0.92rem;
}

footer.site p {
  margin: 4px 0;
}

.prose h2 {
  margin-top: 36px;
  font-size: 1.35rem;
}

.prose h3 {
  margin-top: 20px;
}

.prose ul {
  padding-left: 1.3em;
}

.prose li {
  margin: 4px 0;
}

.prose .meta {
  color: var(--muted);
}

.prose table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--accent);
}

.table-scroll {
  overflow-x: auto;
}