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

:root {
  --color-bg: #fafafa;
  --color-text: #1a1a1a;
  --color-muted: #555;
  --color-accent: #1a1a1a;
  --color-border: #e0e0e0;
  --font: "Georgia", serif;
  --font-mono: ui-monospace, monospace;
  --max-width: 1080px;
}

html {
  font-size: 18px;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.85rem;
}

footer a {
  color: inherit;
}

/* Hero */
.hero {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: 2rem;
  font-weight: normal;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.tagline {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
}

/* Sections */
section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: normal;
  color: var(--color-muted);
  margin: 2rem 0 1rem;
}

ul {
  margin: 0;
  margin-top: -0.6rem;
  padding: 0;
  list-style: none;
}

li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
}

li:last-child {
  border-bottom: none;
}

/* Timeline */
.timeline {
  margin: 0;
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0;
}

.timeline dt,
.timeline dd {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-border);
  margin: 0;
}

.timeline dt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  padding-right: 1rem;
}

.timeline dd:last-child,
.timeline dt:nth-last-child(2) {
  border-bottom: none;
}

/* CTA */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  border: 1px solid var(--color-accent);
  transition: opacity 0.15s;
}

.btn:hover {
  opacity: 0.8;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
}

.btn-secondary:hover {
  opacity: 0.6;
}

/* Profile links */
.profiles {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.profiles a {
  color: var(--color-muted);
  text-decoration: none;
}

.profiles a:hover {
  color: var(--color-text);
}

/* Links */
a {
  color: var(--color-text);
}