/* =========================================================
   OFFSYLLABUS — shared stylesheet
   Design concept: a chalkboard course-catalog for the stuff
   your actual syllabus never covers. Dark chalkboard base,
   paper-card content blocks, mono "stamped" labels.
   ========================================================= */

:root {
  --chalkboard: #16211c;
  --chalkboard-soft: #1e2e26;
  --paper: #efe8d8;
  --paper-dim: #e3dcc9;
  --ink: #1b2620;
  --gold: #e8a33d;
  --coral: #e1604a;
  --teal: #4f8a7c;
  --line: rgba(239, 232, 216, 0.16);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--chalkboard);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.6;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header / nav ---------- */

header.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--chalkboard);
  z-index: 50;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.brand span { color: var(--gold); }

nav.tabs {
  display: flex;
  gap: 4px;
}

nav.tabs a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--paper-dim);
  padding: 10px 16px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  transition: background 0.15s ease, color 0.15s ease;
}

nav.tabs a:hover { background: var(--chalkboard-soft); color: var(--paper); }

nav.tabs a.active {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--line);
}

/* ---------- hero ---------- */

.hero {
  padding: 84px 0 64px;
}

.hero .kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 22px;
  max-width: 16ch;
  font-weight: 600;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--paper-dim);
  max-width: 56ch;
  margin: 0 0 32px;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary { background: var(--gold); color: var(--ink); }
.btn-primary:hover { background: #f2b458; }

.btn-outline {
  background: transparent;
  color: var(--paper);
  border-color: var(--line);
  margin-left: 12px;
}
.btn-outline:hover { border-color: var(--paper); }

/* ---------- paper card ---------- */

.paper {
  background: var(--paper);
  color: var(--ink);
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  position: relative;
}

.paper::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 36px;
  width: 64px;
  height: 22px;
  background: rgba(232,163,61,0.55);
  transform: rotate(-3deg);
  border-radius: 2px;
}

section { padding: 56px 0; }

h2.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0 0 8px;
  font-weight: 600;
}

.section-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin: 0 0 28px;
}

.paper .section-sub { color: #3f6b60; }

/* ---------- catalog table (signature element) ---------- */

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

table.catalog caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b6252;
  margin-bottom: 14px;
}

table.catalog th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6252;
  padding: 10px 12px;
  border-bottom: 2px solid var(--ink);
}

table.catalog td {
  padding: 16px 12px;
  border-bottom: 1px dashed #c9c0a8;
  vertical-align: top;
}

table.catalog tr:last-child td { border-bottom: none; }

.status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.status.live { background: #dcecdf; color: #2e6b45; }
.status.new { background: #f8e2c9; color: #96591a; }

/* ---------- cards grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--chalkboard-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.card h3 {
  font-family: var(--font-display);
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p { color: var(--paper-dim); margin: 0; font-size: 0.94rem; }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}

/* ---------- forms ---------- */

form fieldset {
  border: 1px solid #c9c0a8;
  border-radius: 8px;
  padding: 22px 24px 26px;
  margin: 0 0 24px;
}

form legend {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 8px;
  color: #6b6252;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 6px;
  color: #4a4438;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 10px 12px;
  border: 1px solid #b9af95;
  border-radius: 5px;
  background: #fbf9f2;
  color: var(--ink);
}

.field textarea { resize: vertical; min-height: 100px; }

.check-row, .radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.check-row label, .radio-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink);
}

.hint {
  font-size: 0.8rem;
  color: #7a7060;
  margin-top: 6px;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  margin-top: 40px;
}

footer .foot-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--paper-dim);
}

footer a { text-decoration: none; color: var(--paper-dim); }
footer a:hover { color: var(--gold); }

/* ---------- misc ---------- */

.iframe-wrap {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #c9c0a8;
}

.iframe-wrap iframe {
  width: 100%;
  height: 320px;
  border: none;
  display: block;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

blockquote.callout {
  border-left: 3px solid var(--coral);
  margin: 0;
  padding: 4px 0 4px 20px;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
}

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  nav.tabs { display: none; }
  .paper { padding: 26px; }
}