:root {
    --bg: #fafafa;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-dim: #666666;
    --accent: #1a6b3c;
    --accent-dim: #2d8a4e;
    --border: #e0e0e0;
    --tag-bg: #f0f0f4;
    --tag-text: #333;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --radius: 8px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111113;
        --bg-card: #1a1a1e;
        --text: #e4e4e7;
        --text-dim: #a1a1aa;
    --accent: #4ade80;
    --accent-dim: #22c55e;
        --border: #27272a;
        --tag-bg: #27272a;
        --tag-text: #d4d4d8;
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    }
}

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

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    transition:
        color 0.2s,
        background 0.2s;
}

section {
    margin-top: 3rem;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

p {
    margin-bottom: 0.75rem;
}

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

a:hover {
    text-decoration: underline;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
}

header p {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-top: 0.2rem;
    margin-bottom: 0;
}

header nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

header nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dim);
}

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

.contact-bar {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

.contact-bar a {
    font-weight: 500;
}

.entry {
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.entry-head {
    margin-bottom: 0.75rem;
}

.entry-head h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.entry-meta {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.75rem;
}

.tags span {
    font-size: 0.75rem;
    font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
    background: var(--tag-bg);
    color: var(--tag-text);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.tag-desc {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-dim);
    margin-left: 0.3rem;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .project-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}

.card:hover {
    border-color: var(--accent);
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04);
}

.card-img {
    display: block;
    line-height: 0;
    overflow: hidden;
}

.card-img:hover {
    text-decoration: none;
}

.card-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card-img img[src$=".svg"] {
  height: auto;
  max-height: 200px;
  object-fit: contain;
  background: var(--bg);
  padding: 0.5rem 0;
}

.card-img:hover img {
    transform: scale(1.03);
}

.card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.card-body p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.55;
    flex: 1;
}

.code-compare {
    margin: 0.75rem 0 0;
    font-size: 0.8rem;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.code-compare .code-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.6rem;
    background: var(--tag-bg);
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.code-compare pre {
    margin: 0;
    padding: 0.6rem;
    overflow-x: auto;
    font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
    font-size: 0.75rem;
    line-height: 1.45;
    color: var(--text);
    background: var(--bg);
}

.code-compare + .code-compare {
    border-top: 0;
    border-radius: 0 0 6px 6px;
}

.arrow-mid {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
    padding: 0.25rem 0;
    line-height: 1;
}

.card-links {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  display: flex;
  gap: 1.25rem;
}

.card-links a {
  font-weight: 500;
}

#availability ul {
    list-style: none;
    padding: 0;
}

#availability li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

#availability li:last-child {
    border-bottom: none;
}

#philosophy ul {
    padding-left: 1.2rem;
}

#philosophy li {
    margin-bottom: 0.6rem;
    font-size: 0.95rem;
    line-height: 1.55;
}

footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-dim);
    text-align: center;
}

footer p {
    margin-bottom: 0;
}