:root {
  --bg: #0b0b0b;
  --fg: #e8e8e8;
  --muted: #888888;
  --accent: #b87333;
  --accent-hover: #d4a573;
  --card: #141414;
  --border: #262626;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  line-height: 1.7;
  min-height: 100vh;
}

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

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

nav {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  margin-right: auto;
}

.brand span {
  color: var(--accent);
}

nav a {
  color: var(--fg);
  font-size: 0.95rem;
}

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

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1rem 2rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 4rem 1rem 2rem;
  text-align: center;
}

.social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.social a {
  color: var(--muted);
  font-size: 0.9rem;
}

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

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

.hero {
  text-align: center;
  padding: 6rem 1rem 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.banner {
  width: 100%;
  height: 320px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--bg) 100%);
}

.hero {
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

@media (max-width: 600px) {
  .banner {
    height: 200px;
  }
  .hero {
    margin-top: -40px;
  }
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--accent);
  border-left: 4px solid var(--accent);
  padding-left: 0.75rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 6px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card h3 {
  margin-bottom: 0.5rem;
  color: var(--fg);
  font-size: 1.25rem;
}

.card p {
  color: var(--muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.card time {
  display: block;
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.tag {
  display: inline-block;
  background: #1a1a1a;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  border-radius: 4px;
}

.external {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.post-list li {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
}

.post-list li a {
  font-size: 1.5rem;
  color: var(--fg);
  display: block;
  margin-bottom: 0.5rem;
}

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

.post-list li p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.post header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.post h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.post .content {
  margin-top: 2rem;
}

.post .content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 1.5rem;
}

.post .content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.post .content p {
  margin-bottom: 1.5rem;
}

.post .content ul,
.post .content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.post .content code {
  background: #1a1a1a;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.post .content pre {
  background: #1a1a1a;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.post .content pre code {
  padding: 0;
  background: transparent;
}

@media (max-width: 600px) {
  main {
    padding: 3rem 1rem 1rem;
  }
  .hero {
    padding: 4rem 1rem 3rem;
  }
}