:root {
  --bg: #000000;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --ok: #3fb950;
  --bad: #f85149;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, .92);
}

.brand {
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}

nav a {
  margin-left: 18px;
  color: var(--muted);
}

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

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 56px 0 8px;
}

.hero {
  padding-top: 88px;
}

.eyebrow {
  color: var(--accent);
  font-size: .95rem;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  margin: 0 0 12px;
  line-height: 1.1;
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

h3 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 640px;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #0d1117;
  font-weight: 600;
}

.button:hover {
  text-decoration: none;
  opacity: .9;
}

.button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.grid,
.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card,
.skill {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.skill h3 {
  color: var(--accent);
}

.skill p,
.card p {
  margin: 6px 0;
  color: var(--muted);
}

.meta {
  font-size: .85rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

.tags span {
  font-size: .78rem;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
}

.card.placeholder {
  border-style: dashed;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-list li {
  margin: 8px 0;
}

footer {
  max-width: 900px;
  margin: 64px auto 0;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.status {
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.status.ok {
  color: var(--ok);
  border-color: var(--ok);
}

.status.down {
  color: var(--bad);
  border-color: var(--bad);
}