/* ---------------------------------------------------------------
   Nicolas Perrin — personal site
   Minimal, white, lots of whitespace. Edit content in index.html.
   --------------------------------------------------------------- */

:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --rule: #e8e8e8;
  --link: #1a1a1a;
  --maxw: 640px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: Charter, Georgia, 'Times New Roman', serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 7rem 1.5rem 4rem;
}

/* ---------- Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.avatar {
  flex: 0 0 auto;
  width: 104px;
  height: 104px;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: #fff;
  object-fit: contain;
  padding: 4px;
}

.hero-text h1 {
  margin: 0 0 .35rem;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.intro {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* ---------- Sections ---------- */
section {
  margin: 3rem 0;
}

h2 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

p { margin: 0 0 1rem; }

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

/* ---------- Lists ---------- */
ul.plain {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.plain li {
  padding: 0.15rem 0;
}

ul.projects {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.projects li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
}

ul.projects li:last-child { border-bottom: 1px solid var(--rule); }

.proj-title {
  display: block;
  font-weight: 600;
  font-size: 1.02rem;
}

.proj-title a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.proj-title a:hover {
  border-bottom-color: var(--ink);
}

.proj-desc {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Contact ---------- */
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1rem;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--link);
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.link:hover { border-bottom-color: var(--ink); }

.link svg { color: var(--muted); }

/* ---------- Footer ---------- */
footer {
  margin-top: 4.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.85rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

footer p { margin: 0; }

/* ---------- Small screens ---------- */
@media (max-width: 520px) {
  main { padding: 3.5rem 1.25rem 3rem; }
  .hero { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
  .hero-text h1 { font-size: 1.5rem; }
}