/* East Anglia Systema, v1
   Brand: parchment background, ink type, accent aged brass.
   Type: Source Serif 4 (display + body), Inter (UI), JetBrains Mono (meta).
*/

:root {
  --ink: #1a1a1a;
  --ink-soft: #2a2a2a;
  --paper: #f7f4ee;
  --paper-2: #ffffff;
  --paper-3: #efeadf;
  --rule: #d8d2c4;
  --rule-strong: #b8b0a0;
  --muted: #6b6256;
  --muted-2: #8a8275;
  --accent: #8a6a3a;
  --accent-deep: #6f5424;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1180px;
  --content: 760px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms ease, color 120ms ease; }
a:hover { color: var(--accent-deep); border-bottom-color: var(--accent-deep); }

::selection { background: var(--ink); color: var(--paper); }

/* Announcement bar */
.announce {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 24px;
  text-align: center;
}
.announce a { color: var(--paper); border-bottom: 1px solid rgba(247,244,238,0.4); }
.announce a:hover { color: #fff; border-bottom-color: #fff; }
.announce .sep { margin: 0 10px; color: rgba(247,244,238,0.45); }

/* Masthead and nav */
header.site {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247,244,238,0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.site-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  border-bottom: none;
}
.brand:hover { color: var(--ink); border-bottom: none; }
.brand img { width: 44px; height: 44px; }
.brand .wordmark { display: flex; flex-direction: column; line-height: 1.1; }
.brand .name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.005em;
  color: var(--ink);
}
.brand .sub {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}

nav.primary {
  display: flex;
  align-items: center;
  gap: 26px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
}
nav.primary a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding: 4px 0;
}
nav.primary a:hover, nav.primary a.active { color: var(--accent); border-bottom-color: var(--accent); }
nav.primary a.cta {
  background: var(--ink);
  color: var(--paper);
  padding: 9px 16px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  letter-spacing: 0.04em;
}
nav.primary a.cta:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 8px 12px;
  font-family: var(--sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 900px) {
  nav.primary {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    display: none;
  }
  nav.primary.open { display: flex; }
  nav.primary a { padding: 10px 0; border-bottom: 1px solid var(--rule); }
  nav.primary a:last-child { border-bottom: none; }
  nav.primary a.cta { text-align: center; margin-top: 10px; }
  .nav-toggle { display: inline-block; }
  .site-inner { padding: 14px 20px; }
}

/* Page wrap and sections */
main { display: block; }
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.narrow { max-width: var(--content); margin-left: auto; margin-right: auto; }

@media (max-width: 700px) {
  .wrap { padding: 0 20px; }
  body { font-size: 17px; }
}

/* Section blocks */
section.block {
  padding: 72px 0;
  border-bottom: 1px solid var(--rule);
}
section.block:last-of-type { border-bottom: none; }
section.block.tight { padding: 48px 0; }
section.block.dark { background: var(--ink); color: var(--paper); border-bottom-color: var(--ink); }
section.block.dark a { color: var(--paper); border-bottom-color: rgba(247,244,238,0.4); }
section.block.cream { background: var(--paper-3); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 14px;
  display: block;
}
section.block.dark .eyebrow { color: var(--rule); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; color: inherit; }

h1.display {
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 24px 0;
}
h1.page {
  font-size: 48px;
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0 0 18px 0;
}
h2 {
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.008em;
  margin: 0 0 20px 0;
}
h2.small { font-size: 28px; }
h3 {
  font-size: 22px;
  line-height: 1.3;
  margin: 0 0 12px 0;
}
h3.label {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
}
h4 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 8px 0;
}

@media (max-width: 700px) {
  h1.display { font-size: 44px; }
  h1.page { font-size: 36px; }
  h2 { font-size: 28px; }
  section.block { padding: 56px 0; }
}

.lede {
  font-size: 22px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 28px 0;
  font-family: var(--serif);
}
@media (max-width: 700px) { .lede { font-size: 19px; } }

p { margin: 0 0 16px 0; }
ul, ol { margin: 0 0 20px 0; padding-left: 22px; }
li { margin-bottom: 8px; }

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 2px;
  border: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--paper); border-bottom-color: var(--accent-deep); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
section.block.dark .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
section.block.dark .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }
section.block.dark .btn.ghost { background: transparent; color: var(--paper); border-color: var(--paper); }
section.block.dark .btn.ghost:hover { background: var(--paper); color: var(--ink); }

/* Hero */
.hero {
  padding: 96px 0 80px;
  position: relative;
}
.hero .eyebrow { margin-bottom: 18px; }
.hero h1 {
  max-width: 14ch;
}
.hero .sub {
  font-size: 22px;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 36px 0;
  line-height: 1.55;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 700px) { .hero { padding: 64px 0 56px; } }

/* Two and three column grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 28px 28px 26px;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
}
.card .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.card h3 { margin: 0 0 10px 0; }
.card p { margin: 0 0 14px 0; color: var(--ink-soft); }
.card .more {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: auto;
  border-bottom: 1px solid var(--accent);
  align-self: flex-start;
  padding-bottom: 1px;
}
.card .more:hover { color: var(--accent-deep); border-bottom-color: var(--accent-deep); }

.seminar-tile {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.seminar-tile .when {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.seminar-tile h3 {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 8px 0;
}
.seminar-tile .where {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}
.seminar-tile p { color: var(--ink-soft); margin-bottom: 24px; }
.seminar-tile .actions { margin-top: auto; display: flex; gap: 12px; flex-wrap: wrap; }

/* Instructor card */
.person {
  display: flex;
  flex-direction: column;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 28px;
  border-radius: 2px;
}
.person .portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 18px;
  text-align: center;
  padding: 16px;
}
.person h3 { font-size: 22px; margin: 0 0 4px 0; }
.person .role {
  font-family: var(--sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 14px;
}
.person p { font-size: 16px; color: var(--ink-soft); }

/* Audience segment row */
.segment {
  border-top: 1px solid var(--rule);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  align-items: start;
}
.segment:last-child { border-bottom: 1px solid var(--rule); }
.segment .num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.12em;
}
.segment h3 { margin: 0 0 8px 0; font-size: 24px; }
.segment p { margin: 0; color: var(--ink-soft); }
@media (max-width: 640px) {
  .segment { grid-template-columns: 1fr; gap: 4px; }
}

/* Schedule table */
table.schedule {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px 0;
  font-family: var(--sans);
  font-size: 15px;
}
table.schedule th, table.schedule td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
table.schedule th {
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1px solid var(--ink);
}
table.schedule td .day {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
}
table.schedule td .time { color: var(--muted); font-family: var(--mono); font-size: 13px; }

/* Pricing tiers */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px 0; }
@media (max-width: 800px) { .tiers { grid-template-columns: 1fr; } }
.tier {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 28px 24px;
  border-radius: 2px;
}
.tier.featured { border-color: var(--ink); border-width: 1px; box-shadow: 0 0 0 1px var(--ink) inset; }
.tier .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.tier h3 { font-size: 22px; margin: 0 0 6px 0; }
.tier .price {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1;
  margin: 14px 0 6px 0;
}
.tier .price .small { font-size: 16px; color: var(--muted); font-family: var(--sans); }
.tier ul { padding-left: 18px; font-size: 15px; }
.tier li { margin-bottom: 6px; }

/* FAQ */
details.faq {
  border-top: 1px solid var(--rule);
  padding: 18px 0;
}
details.faq:last-child { border-bottom: 1px solid var(--rule); }
details.faq summary {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--ink);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 22px;
  color: var(--muted);
  font-weight: 300;
  transition: transform 200ms ease;
}
details.faq[open] summary::after { content: ""; transform: rotate(45deg); }
details.faq .answer { padding-top: 14px; color: var(--ink-soft); font-size: 17px; line-height: 1.65; }
details.faq .answer p:last-child { margin-bottom: 0; }

/* Forms */
form.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 540px;
}
form.stack .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 540px) { form.stack .row { grid-template-columns: 1fr; } }
label.field { display: flex; flex-direction: column; gap: 6px; font-family: var(--sans); font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--ink); }
input, select, textarea {
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--rule-strong);
  background: var(--paper-2);
  color: var(--ink);
  border-radius: 2px;
  width: 100%;
  outline: none;
  transition: border-color 120ms ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); }
textarea { min-height: 120px; resize: vertical; }
.note {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* Quote */
blockquote.pull {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.4;
  margin: 36px 0;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
  color: var(--ink);
  font-style: normal;
}
blockquote.pull .by {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 14px;
}

/* Metadata bar */
.meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 18px 0 28px 0;
  padding: 20px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 700px) { .meta-row { grid-template-columns: repeat(2, 1fr); } }
.meta-row .item .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.meta-row .item .v {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}

/* Logo strip */
.logo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 14px 0 0;
}
@media (max-width: 700px) { .logo-strip { grid-template-columns: repeat(2, 1fr); } }
.logo-strip .item {
  border: 1px solid var(--rule);
  padding: 18px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Map placeholder */
.map-placeholder {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

/* Footer */
footer.site {
  background: var(--ink);
  color: var(--paper);
  padding: 64px 0 32px;
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
}
footer.site a { color: var(--paper); border-bottom: 1px solid rgba(247,244,238,0.3); }
footer.site a:hover { color: #fff; border-bottom-color: #fff; }
footer.site .cols {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 900px) {
  footer.site .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  footer.site .cols { grid-template-columns: 1fr; }
}
footer.site h4 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rule);
  margin: 0 0 14px 0;
}
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin-bottom: 8px; }
footer.site .brand-block { display: flex; gap: 14px; align-items: flex-start; }
footer.site .brand-block img { width: 48px; height: 48px; filter: invert(1) brightness(1.4); }
footer.site .brand-block .name { font-family: var(--serif); font-size: 20px; line-height: 1.2; }
footer.site .brand-block .sub { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--rule); margin-top: 4px; }
footer.site form.newsletter { display: flex; gap: 8px; margin-top: 12px; }
footer.site form.newsletter input { background: rgba(247,244,238,0.08); border-color: rgba(247,244,238,0.25); color: var(--paper); flex: 1; }
footer.site form.newsletter input::placeholder { color: rgba(247,244,238,0.55); }
footer.site form.newsletter button { background: var(--paper); color: var(--ink); border: 1px solid var(--paper); padding: 12px 18px; font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; border-radius: 2px; }
footer.site form.newsletter button:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.colophon {
  max-width: var(--maxw);
  margin: 48px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid rgba(247,244,238,0.18);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(247,244,238,0.65);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Long-form prose helpers */
.prose p, .prose ul, .prose ol { max-width: 64ch; }
.prose h2 { margin-top: 48px; }
.prose h3 { margin-top: 36px; }
.prose h3.label { margin-top: 32px; margin-bottom: 8px; }

/* Utility */
.center { text-align: center; }
.text-muted { color: var(--muted); }
.text-mono { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.04em; }
.spacer-sm { height: 24px; }
.spacer { height: 48px; }
.spacer-lg { height: 72px; }
.divider { border-top: 1px solid var(--rule); margin: 32px 0; }
.tag-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 4px 9px;
  border-radius: 2px;
  margin-right: 6px;
}
.tag-pill.accent { color: var(--accent); border-color: var(--accent); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}