:root {
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --text: #1a1c20;
  --text-muted: #5a5f6a;
  --accent: #5b5bd6;
  --accent-text: #ffffff;
  --border: #e3e5ea;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 2px rgba(20, 20, 30, 0.06), 0 8px 24px rgba(20, 20, 30, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --bg-alt: #1b1d23;
    --text: #f2f3f5;
    --text-muted: #a2a7b3;
    --accent: #8b8bf0;
    --accent-text: #14151a;
    --border: #2a2d35;
    --card-bg: #1b1d23;
    --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 72px 0 56px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero h1 {
  margin: 0;
  font-size: 2.6rem;
  letter-spacing: -0.02em;
}

.handle {
  margin: 4px 0 12px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.tagline {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.links a {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
}

.links a:hover {
  background: var(--card-bg);
}

.section {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section h2 {
  font-size: 1.4rem;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.section-intro {
  color: var(--text-muted);
  margin-top: -8px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  font-size: 0.85rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-list span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.card-media {
  width: 100%;
  height: 120px;
  object-fit: contain;
  border-radius: 16px;
  background: var(--bg-alt);
  padding: 6px;
}

.card-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  border-radius: 16px;
  color: #ffffff;
}

.icon-terraform {
  background: #5c4ee5;
}

.icon-bicep {
  background: #0078d4;
}

.icon-powershell {
  background: #012456;
}

.icon-esp32 {
  background: #e7352c;
}

.card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.card-cta {
  margin-top: auto;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.sketch-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.sketch-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.footer {
  padding: 32px 0 48px;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}