*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy: #0f0f1e;
  --navy-mid: #161630;
  --navy-light: #1e1e3a;
  --surface: #232346;
  --copper: #e86c00;
  --copper-light: #f0933a;
  --gold: #f5c778;
  --text: #e8e6e3;
  --text-secondary: #a09caf;
  --text-muted: #6b6780;
  --border: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--navy);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
}

body::before {
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(232,108,0,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(100,80,200,0.03) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

/* --- Layout --- */

.wrapper {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 40px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.back-link:hover { color: var(--copper); }

/* --- Page Header --- */

.page-header {
  margin-bottom: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}

.page-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--copper);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-date::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--copper);
}

.page-header h1 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-header .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.meta-item {
  font-size: 14px;
  color: var(--text-secondary);
}

.meta-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

/* --- Content (markdown-generated) --- */

.content h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 28px;
  font-weight: 400;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--gold);
}

.content h3 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--copper-light);
  margin: 24px 0 12px;
}

.content p {
  margin: 16px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.content strong { color: var(--text); }
.content em { color: var(--text-secondary); font-style: italic; }

.content a {
  color: var(--copper);
  text-decoration: none;
}

.content a:hover {
  text-decoration: underline;
}

/* --- Tables --- */

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.content th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-strong);
}

.content td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-secondary);
}

.content tr:hover td {
  background: rgba(232,108,0,0.03);
}

/* --- Lists --- */

.content ul, .content ol {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--text-secondary);
  font-size: 15px;
}

.content li {
  margin: 8px 0;
}

/* --- Blockquotes --- */

.content blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--navy-mid);
  border-left: 3px solid var(--copper);
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.content blockquote p {
  margin: 8px 0;
}

/* --- Code --- */

.content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--navy-mid);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--copper-light);
}

.content pre {
  margin: 20px 0;
  padding: 20px;
  background: var(--navy-mid);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
}

.content pre code {
  background: none;
  padding: 0;
}

/* --- HR --- */

.content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* --- Speaker Cards --- */

.speaker-card {
  margin-bottom: 16px;
  padding: 24px;
  background: var(--navy-mid);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.speaker-card h3 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--text);
  margin: 0 0 4px;
}

.speaker-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.speaker-card h3 a:hover { color: var(--copper); }

.speaker-card .talk-title {
  font-size: 15px;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 8px;
}

.speaker-card .speaker-links {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}

.speaker-card .speaker-links a {
  color: var(--copper);
  text-decoration: none;
}

.speaker-card .speaker-links a:hover { text-decoration: underline; }

/* --- People pills --- */

.people-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.people-pills li {
  padding: 6px 14px;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.people-pills li a {
  color: var(--text-secondary);
  text-decoration: none;
}

.people-pills li a:hover { color: var(--copper); }

/* --- Mystery / highlight box --- */

.highlight-box {
  margin: 24px 0;
  padding: 24px;
  background: var(--navy-mid);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.highlight-box h3 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--gold);
  margin: 0 0 8px;
}

/* --- Footer --- */

footer {
  margin-top: 80px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

footer a {
  color: var(--copper);
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }