@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/JetBrainsMono-Bold.woff2') format('woff2');
}

:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --bg-elevated: #111;
  --surface: rgba(10, 10, 10, 0.86);
  --surface-hover: rgba(20, 20, 20, 0.94);
  --text: #f0f0f0;
  --text-secondary: #aaa;
  --text-muted: #777;
  --accent: #00ff88;
  --accent-soft: rgba(0, 255, 136, 0.14);
  --accent-border: rgba(0, 255, 136, 0.35);
  --border: rgba(255, 255, 255, 0.1);
  --font-sans: Inter, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container: 1100px;
  --nav-height: 60px;
  --radius: 12px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --transition: 180ms ease;
}

/* Base reset and box model */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 1;
  pointer-events: none;
}

/* CRT scanlines overlay
   Renders above the matrix canvas but below page content.
   z-index must be an integer; it shares level 0 with the canvas and
   is ordered above it by DOM position. Set display: none to disable. */
.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: block;

  /* Tunable CRT parameters */
  --scan-opacity: 0.55;
  --scan-height: 4px;
  --scan-gap: 2px;
  --rgb-strength: 0.15;
  --vignette-strength: 0.5;

  background:
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent var(--scan-gap),
      rgba(0,0,0,var(--scan-opacity)) var(--scan-gap),
      rgba(0,0,0,var(--scan-opacity)) var(--scan-height)
    ),
    linear-gradient(90deg,
      rgba(255,0,0,var(--rgb-strength)) 0%,
      rgba(0,200,0,var(--rgb-strength)) 50%,
      rgba(0,0,255,var(--rgb-strength)) 100%
    ),
    radial-gradient(ellipse at center,
      transparent 55%,
      rgba(0,0,0,var(--vignette-strength)) 100%
    );
  background-size: 100% var(--scan-height), auto, auto;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

.page {
  min-height: calc(100vh - var(--nav-height));
  animation: enter 400ms ease both;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-height);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 3rem, var(--container));
  height: 100%;
  margin-inline: auto;
}

.nav-brand {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--accent);
  content: '';
  transition: transform var(--transition);
}

.nav-link:is(:hover, .active) {
  color: var(--text);
}

.nav-link:is(:hover, .active)::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  padding: var(--space-1);
  border: 0;
  background: none;
  color: var(--text);
  cursor: pointer;
  font-size: 1.4rem;
}

.hero {
  display: grid;
  min-height: 100vh;
  padding: var(--space-6) var(--space-3);
  place-items: center;
  text-align: center;
}

.hero-content {
  max-width: 700px;
}

.hero-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

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

.hero-subtitle {
  margin: 0 0 var(--space-4);
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.button {
  display: inline-flex;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.button.primary {
  background: var(--accent);
  color: #000;
}

.button.primary:hover {
  background: var(--text);
  color: #000;
}

.button.secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--accent-border);
  background: var(--surface-hover);
}

.section {
  padding: var(--space-6) 0;
}

.section.compact {
  padding-top: 0;
}

.section-header {
  margin-bottom: var(--space-5);
}

.section-title {
  margin: 0 0 var(--space-1);
  font-size: clamp(1.8rem, 4vw, 2.25rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.section-description {
  max-width: 650px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.card,
.post-card,
.post-full {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(3px);
}

.card,
.post-card {
  border-radius: var(--radius);
  padding: var(--space-4);
}

.card {
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.card:hover,
.post-card:hover {
  border-color: var(--accent-border);
  background: var(--surface-hover);
}

.card:hover {
  transform: translateY(-2px);
}

.card-icon {
  margin-bottom: var(--space-2);
  font-size: 2rem;
}

.card h3 {
  margin: 0 0 var(--space-1);
  font-size: 1.15rem;
}

.card p,
.about-copy p {
  margin: 0;
  color: var(--text-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 2fr;
  align-items: center;
  gap: var(--space-5);
}

.about-avatar {
  display: grid;
  width: 200px;
  aspect-ratio: 1;
  margin-inline: auto;
  border: 2px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  font-size: 6rem;
  place-items: center;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.skills li,
.post-tag {
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
}

.skills li {
  padding: 0.4rem 0.8rem;
}

.post-list {
  display: grid;
  gap: var(--space-3);
}

.post-card {
  display: block;
  color: inherit;
  transition: border-color var(--transition), background var(--transition);
}

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

.post-title {
  margin: 0 0 var(--space-1);
  font-size: 1.3rem;
  transition: color var(--transition);
}

.post-excerpt {
  margin: 0;
  color: var(--text-secondary);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.post-tag {
  padding: 0.2rem 0.65rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.pagination-info {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.status-message {
  margin: 0;
  color: var(--text-secondary);
}

.status-message.error {
  color: #ff8d8d;
}

.post-layout {
  max-width: 820px;
  padding-top: calc(var(--nav-height) + var(--space-4));
  padding-bottom: var(--space-6);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

.post-full {
  padding: clamp(1.5rem, 5vw, 4rem);
  border-radius: var(--radius);
}

.post-header {
  margin-bottom: var(--space-5);
}

.post-header h1 {
  margin: 0 0 var(--space-2);
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.post-content {
  color: var(--text-secondary);
  line-height: 1.8;
}

.post-content :is(h1, h2, h3, h4, h5, h6) {
  margin: var(--space-5) 0 var(--space-2);
  color: var(--text);
  line-height: 1.25;
}

.post-content h1 { font-size: 1.75rem; }
.post-content h2 { font-size: 1.5rem; }
.post-content h3 { font-size: 1.25rem; }

.post-content p {
  margin: 0 0 var(--space-3);
}

.post-content :is(ul, ol) {
  margin: 0 0 var(--space-3);
  padding-left: var(--space-4);
}

.post-content li + li {
  margin-top: var(--space-1);
}

.post-content blockquote {
  margin: var(--space-3) 0;
  padding-left: var(--space-3);
  border-left: 3px solid var(--accent);
  font-style: italic;
}

.post-content code {
  padding: 0.2em 0.45em;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.post-content pre {
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
}

.post-content pre code {
  padding: 0;
  background: none;
  color: var(--text);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.table-scroll {
  margin: var(--space-3) 0;
  overflow-x: auto;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
}

.post-content :is(th, td) {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border);
  text-align: left;
}

.post-content th {
  background: var(--bg-elevated);
  color: var(--text);
}

.not-found {
  display: grid;
  text-align: center;
  place-items: center;
}

.not-found .section-description {
  margin: 0 auto var(--space-3);
}

.footer {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.9);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

@keyframes enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 768px) {
  .container,
  .nav-inner {
    width: min(100% - 2rem, var(--container));
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    border-bottom: 1px solid var(--border);
    background: rgba(10, 10, 10, 0.97);
  }

  .nav-links.open {
    display: flex;
  }

  .card-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-copy {
    text-align: center;
  }

  .skills {
    justify-content: center;
  }

  .section {
    padding: var(--space-5) 0;
  }

  .post-layout {
    padding-top: calc(var(--nav-height) + var(--space-3));
  }

  .post-full {
    padding: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}