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

:root {
  --bg: #020617;
  --bg-elevated: #020617;
  --fg: #f9fafb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --border-subtle: #1f2937;
  --content-width: 760px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1e293b 0, #020617 55%);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  letter-spacing: -0.011em;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.4rem;
}

.site-header {
  border-bottom: 1px solid rgba(15, 23, 42, 0.85);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
}

.navbar {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 640;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fg);
  font-size: 0.86rem;
}

.nav-logo span {
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  font-size: 0.7rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.85);
  padding: 1rem 1.4rem 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(15, 23, 42, 0.98);
}

.hero {
  padding-top: 0.5rem;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(2.1rem, 5vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 0.5rem;
}

.hero-subtitle {
  max-width: 34rem;
  font-size: 0.98rem;
  color: var(--muted);
}

.hero-actions {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}

.social-links {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--muted);
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
  text-decoration: none;
}

.social-links:hover {
  background: rgba(15, 23, 42, 0.95);
  border-color: var(--accent);
  color: var(--accent);
}

.social-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.86rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, box-shadow 120ms ease;
}

.btn-primary {
  background: radial-gradient(circle at top left, #38bdf8, #0ea5e9);
  color: #0b1120;
  font-weight: 600;
  box-shadow: 0 14px 30px rgba(56, 189, 248, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 18px 35px rgba(56, 189, 248, 0.35);
}

.btn-ghost {
  border-color: rgba(148, 163, 184, 0.35);
  color: var(--muted);
  background: rgba(15, 23, 42, 0.8);
}

.btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.65);
  color: var(--fg);
}

.blog-grid {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.6rem;
}

.blog-card {
  background: radial-gradient(circle at top left, #111827, #020617);
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.1rem 1.3rem;
  transition: box-shadow 140ms ease, border-color 140ms ease, background 140ms ease;
}

.blog-card:hover {
  border-color: rgba(56, 189, 248, 0.65);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
}

.blog-card-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.blog-card-meta {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  margin: 0 0 0.2rem;
}

.blog-card-title {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.blog-card-title a {
  color: var(--fg);
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--accent);
}

.blog-card-summary {
  margin: 0;
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.5;
}

.section-heading {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.section-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.post-header {
  margin-bottom: 1.4rem;
}

.post-title {
  font-size: clamp(1.9rem, 3.3vw, 2.4rem);
  margin: 0 0 0.45rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.post-date {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 0.75rem;
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: normal;
  transition: color 150ms ease;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.back-link:hover {
  color: var(--accent-hover);
}

.prose {
  font-size: 1rem;
  line-height: 1.65;
}

.prose h1 {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 2rem 0 1rem;
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 1.75rem 0 0.875rem;
}

.prose h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
}

.prose h4 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
}

.prose h5 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
}

.prose h6 {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
}

.prose p {
  margin: 0 0 1rem;
}

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

.prose a:hover {
  text-decoration: underline;
}

.prose pre {
  margin: 1.2rem 0;
  padding: 0.9rem 1rem;
  border-radius: 0.7rem;
  background: #020617;
  border: 1px solid rgba(148, 163, 184, 0.35);
  overflow-x: auto;
}

.prose code {
  font-family: var(--font-mono);
}

@media (max-width: 640px) {
  .site-main {
    padding-top: 1.9rem;
  }

  .navbar {
    padding-inline: 1.1rem;
  }

  .site-footer {
    padding-inline: 1.1rem;
  }
}

/* Search Page Styles */
.search-container {
  padding-top: 0.5rem;
}

.search-header {
  margin-bottom: 2rem;
}

.search-input-wrapper {
  position: relative;
  margin-bottom: 2rem;
}

#search {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  background: rgba(15, 23, 42, 0.8);
  color: var(--fg);
  transition: border-color 150ms ease, background 150ms ease;
}

#search:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.95);
}

#search::placeholder {
  color: var(--muted);
}

.search-initial {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.search-results {
  margin-top: 2rem;
}

.search-results-heading {
  font-size: 1.15rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.search-results__items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.search-result-item {
  background: radial-gradient(circle at top left, #111827, #020617);
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.1rem 1.3rem;
  transition: box-shadow 140ms ease, border-color 140ms ease;
}

.search-result-item:hover {
  border-color: rgba(56, 189, 248, 0.65);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
}

.search-result-title {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}

.search-result-title a {
  color: var(--fg);
  text-decoration: none;
  transition: color 150ms ease;
}

.search-result-title a:hover {
  color: var(--accent);
}

.search-result-teaser {
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--muted);
}

.search-result-teaser mark {
  background: rgba(56, 189, 248, 0.25);
  color: var(--accent);
  padding: 0.1rem 0.2rem;
  border-radius: 0.2rem;
  font-weight: 500;
}

.search-loading,
.search-no-results {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .search-result-item {
    padding: 0.9rem 1rem;
  }
  
  .search-result-title {
    font-size: 1rem;
  }
  
  .search-result-teaser {
    font-size: 0.88rem;
  }
}