/* ── Reset & base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:        #fafaf8;
  --text:      #1a1a1a;
  --muted:     #6b6b6b;
  --accent:    #2a6496;
  --border:    #e0e0dc;
  --max-width: 680px;
  --font:      'Georgia', serif;
  --mono:      'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ── Nav ── */
header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-name {
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  font-family: sans-serif;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
  transition: color 0.15s;
}

nav a:hover {
  color: var(--accent);
}

/* ── Main layout ── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0 2rem;
}

section + section {
  border-top: 1px solid var(--border);
}

/* ── About ── */
#about h1 {
  font-size: 2.2rem;
  font-weight: normal;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.tagline {
  font-family: sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 1.8rem;
}

#about p + p {
  margin-top: 1rem;
}

/* ── Section headings ── */
h2 {
  font-size: 1.05rem;
  font-family: sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* ── Projects ── */
.project {
  margin-bottom: 2.8rem;
}

.project h3 {
  font-size: 1.1rem;
  font-weight: normal;
  margin-bottom: 0.2rem;
}

.project-meta {
  font-family: sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}

/* ── Contact ── */
#contact p {
  margin-bottom: 1.2rem;
}

.contact-list {
  list-style: none;
  font-family: sans-serif;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-list a {
  color: var(--accent);
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

/* ── Footer ── */
footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  font-family: sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Responsive ── */
@media (max-width: 540px) {
  #about h1 { font-size: 1.7rem; }
  nav ul { gap: 1.2rem; }
}