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

:root {
  --bg: #0f0f0f;
  --fg: #e5e5e5;
  --muted: #888;
  --accent: #e5e5e5;
  --border: #222;
  --font: system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", monospace;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--fg); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

nav .wordmark { font-weight: 600; letter-spacing: -0.01em; }

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav ul li a { color: var(--muted); }
nav ul li a:hover { color: var(--fg); text-decoration: none; }

/* Main */
main { flex: 1; }

/* Footer */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--fg); text-decoration: none; }

/* Hero (Home page) */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  gap: 1rem;
}

.hero h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.hero .tagline { font-size: 0.9375rem; color: var(--muted); }

.hero .ctas {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn {
  padding: 0.5rem 1.125rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.15s;
}

.btn:hover { border-color: var(--muted); text-decoration: none; }

.btn-primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.btn-primary:hover { background: #ccc; border-color: #ccc; }

.hero .stack {
  font-size: 0.8125rem;
  color: #444;
  font-family: var(--mono);
  margin-top: 1rem;
}

/* Page sections */
.page { padding: 3rem 2rem; max-width: 760px; margin: 0 auto; }
.page h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; }

/* Projects */
.project-list { display: flex; flex-direction: column; gap: 2rem; }

.project {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
}

.project h2 { font-size: 1rem; font-weight: 600; margin-bottom: 0.375rem; }
.project p { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.75rem; line-height: 1.6; }

.project-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: #555;
}

.project-meta a { color: var(--muted); }
.project-meta a:hover { color: var(--fg); text-decoration: none; }

.tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tag {
  font-size: 0.6875rem;
  font-family: var(--mono);
  color: #555;
  border: 1px solid #2a2a2a;
  border-radius: 3px;
  padding: 0.125rem 0.375rem;
}

/* Consulting & About pages */
.prose { font-size: 0.9375rem; line-height: 1.75; color: var(--muted); }
.prose p { margin-bottom: 1rem; }
.prose h2 { font-size: 1rem; font-weight: 600; color: var(--fg); margin: 1.75rem 0 0.5rem; }
.prose ul { padding-left: 1.25rem; margin-bottom: 1rem; }
.prose li { margin-bottom: 0.25rem; }
.prose a { color: var(--fg); text-decoration: underline; }

.contact-cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--fg);
}

.contact-cta:hover { border-color: var(--muted); text-decoration: none; }