/* ============================================
   CYBERPUNK THEME - ndtsec.io
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: #12121f;
  --bg-code: #0d0d18;
  --text-primary: #e0e0e8;
  --text-secondary: #8888a0;
  --text-muted: #555570;
  --cyan: #00fff5;
  --magenta: #ff00ff;
  --green: #39ff14;
  --yellow: #ffe600;
  --red: #ff3366;
  --border: #1a1a2e;
  --border-glow: rgba(0, 255, 245, 0.15);
  --font-mono: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-width: 1100px;
  --nav-height: 60px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--cyan);
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Grid Overlay (background effect) --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 255, 245, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 245, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* --- Scanline Effect --- */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.05) 2px,
    rgba(0, 0, 0, 0.05) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 255, 245, 0.5);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan);
  background: rgba(0, 255, 245, 0.08);
  text-shadow: 0 0 8px rgba(0, 255, 245, 0.3);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.3s;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 255, 245, 0.05) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  color: #fff;
  text-shadow:
    0 0 10px var(--cyan),
    0 0 40px rgba(0, 255, 245, 0.3),
    0 0 80px rgba(0, 255, 245, 0.15);
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero-team {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.accent-cyan { color: var(--cyan); }
.accent-magenta { color: var(--magenta); }
.accent-green { color: var(--green); }

.hero-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.7rem 1.8rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 15px rgba(0, 255, 245, 0.3);
}

.btn-primary:hover {
  background: #fff;
  color: var(--bg-primary);
  box-shadow: 0 0 25px rgba(0, 255, 245, 0.5);
  text-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 10px rgba(0, 255, 245, 0.1);
}

.btn-outline:hover {
  background: rgba(0, 255, 245, 0.1);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 255, 245, 0.3);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 255, 245, 0.3);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section-cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.page-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 255, 245, 0.3);
  margin-bottom: 0.5rem;
}

.page-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.page-content {
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* ============================================
   CARD GRID
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* --- Writeup Card --- */
.writeup-card,
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.writeup-card:hover,
.post-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 255, 245, 0.1);
  transform: translateY(-2px);
}

.card-link {
  display: block;
  padding: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
}

.card-link:hover {
  text-shadow: none;
  color: var(--text-primary);
}

.card-header {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.card-difficulty {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.difficulty-easy {
  color: var(--green);
  border: 1px solid var(--green);
  background: rgba(57, 255, 20, 0.08);
}

.difficulty-medium {
  color: var(--yellow);
  border: 1px solid var(--yellow);
  background: rgba(255, 230, 0, 0.08);
}

.difficulty-hard {
  color: var(--red);
  border: 1px solid var(--red);
  background: rgba(255, 51, 102, 0.08);
}

.difficulty-insane {
  color: var(--magenta);
  border: 1px solid var(--magenta);
  background: rgba(255, 0, 255, 0.08);
}

.card-platform {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--magenta);
  border: 1px solid rgba(255, 0, 255, 0.3);
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  background: rgba(255, 0, 255, 0.05);
  transition: background 0.2s;
}

.tag:hover {
  background: rgba(255, 0, 255, 0.15);
  text-shadow: none;
  color: var(--magenta);
}

.card-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  line-height: 1.5;
}

.card-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  display: block;
}

/* --- Platform Card --- */
.platform-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.platform-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 25px rgba(0, 255, 245, 0.12);
  transform: translateY(-3px);
  text-shadow: none;
}

.platform-card h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--cyan);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 8px rgba(0, 255, 245, 0.3);
}

.platform-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================
   SINGLE POST / WRITEUP
   ============================================ */
.post-header {
  padding: 3rem 0 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.writeup-meta-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.meta-platform {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  border: 1px solid rgba(0, 255, 245, 0.3);
  padding: 0.2rem 0.7rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.meta-difficulty {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.7rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.post-title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 255, 245, 0.2);
  line-height: 1.3;
}

.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* --- Post Content Layout --- */
.post-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

@media (min-width: 900px) {
  .post-container {
    grid-template-columns: 220px 1fr;
  }
}

/* --- Table of Contents --- */
.toc {
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
  align-self: start;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.8rem;
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.toc nav ul {
  list-style: none;
  padding-left: 0;
}

.toc nav ul ul {
  padding-left: 1rem;
}

.toc nav li {
  margin-bottom: 0.4rem;
}

.toc nav a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
}

.toc nav a:hover {
  color: var(--cyan);
}

/* --- Post Content --- */
.post-content {
  max-width: 100%;
  overflow-wrap: break-word;
}

.post-content h2 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--cyan);
  text-shadow: 0 0 6px rgba(0, 255, 245, 0.2);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.post-content h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--green);
  margin: 2rem 0 0.75rem;
}

.post-content h4 {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--magenta);
  margin: 1.5rem 0 0.5rem;
}

.post-content p {
  margin-bottom: 1.2rem;
}

.post-content ul, .post-content ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.3rem;
}

.post-content blockquote {
  border-left: 3px solid var(--cyan);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(0, 255, 245, 0.03);
  color: var(--text-secondary);
  font-style: italic;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.post-content th,
.post-content td {
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
}

.post-content th {
  background: var(--bg-card);
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.85rem;
}

.post-content img {
  border-radius: 6px;
  border: 1px solid var(--border);
  margin: 1rem 0;
}

/* --- Code Blocks (Terminal Look) --- */
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-code);
  color: var(--green);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  border: 1px solid var(--border);
}

.post-content pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}

.post-content pre::before {
  content: '';
  display: block;
  height: 12px;
  margin: -1.25rem -1.25rem 1rem -1.25rem;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  background-image:
    radial-gradient(circle at 12px 50%, #ff5f56 5px, transparent 5px),
    radial-gradient(circle at 32px 50%, #ffbd2e 5px, transparent 5px),
    radial-gradient(circle at 52px 50%, #27c93f 5px, transparent 5px);
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-primary);
}

/* Hugo highlight wrapper */
.highlight pre {
  background: var(--bg-code);
}

.highlight .lnt {
  color: var(--text-muted);
  margin-right: 1rem;
  user-select: none;
}

/* --- Post Navigation --- */
.post-nav {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg-secondary);
}

.post-nav .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.post-nav-link:hover {
  color: var(--cyan);
  text-shadow: none;
}

.post-nav-next {
  text-align: right;
  margin-left: auto;
}

.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.post-nav-title {
  font-size: 0.95rem;
}

/* ============================================
   TAGS CLOUD
   ============================================ */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--magenta);
  border: 1px solid rgba(255, 0, 255, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  background: rgba(255, 0, 255, 0.05);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.tag-pill:hover {
  background: rgba(255, 0, 255, 0.15);
  border-color: var(--magenta);
  color: var(--magenta);
  text-shadow: 0 0 8px rgba(255, 0, 255, 0.3);
}

.tag-count {
  font-size: 0.7rem;
  background: rgba(255, 0, 255, 0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
}

/* ============================================
   404 / ERROR PAGE
   ============================================ */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 15vw, 8rem);
  color: var(--red);
  text-shadow:
    0 0 10px var(--red),
    0 0 40px rgba(255, 51, 102, 0.3);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 1rem;
}

.error-message {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.error-terminal {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  display: inline-block;
  line-height: 2;
}

.terminal-prompt {
  color: var(--green);
}

.terminal-error {
  color: var(--red);
}

.terminal-cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 3rem 0 1.5rem;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   GLITCH EFFECT
   ============================================ */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.glitch:hover::before {
  animation: glitch-1 0.3s linear;
  opacity: 0.8;
  color: var(--cyan);
  z-index: -1;
}

.glitch:hover::after {
  animation: glitch-2 0.3s linear;
  opacity: 0.8;
  color: var(--magenta);
  z-index: -2;
}

@keyframes glitch-1 {
  0%   { clip-path: inset(40% 0 61% 0); transform: translate(-2px, -1px); }
  20%  { clip-path: inset(92% 0 1% 0);  transform: translate(1px, 2px); }
  40%  { clip-path: inset(43% 0 1% 0);  transform: translate(-1px, 3px); }
  60%  { clip-path: inset(25% 0 58% 0); transform: translate(3px, 1px); }
  80%  { clip-path: inset(54% 0 7% 0);  transform: translate(-3px, -2px); }
  100% { clip-path: inset(58% 0 43% 0); transform: translate(0); }
}

@keyframes glitch-2 {
  0%   { clip-path: inset(65% 0 13% 0); transform: translate(2px, 1px); }
  20%  { clip-path: inset(15% 0 62% 0); transform: translate(-1px, -2px); }
  40%  { clip-path: inset(78% 0 2% 0);  transform: translate(1px, -1px); }
  60%  { clip-path: inset(3% 0 82% 0);  transform: translate(-2px, 3px); }
  80%  { clip-path: inset(35% 0 50% 0); transform: translate(3px, 2px); }
  100% { clip-path: inset(20% 0 68% 0); transform: translate(0); }
}

/* JS-triggered glitch */
.glitch-active::before {
  animation: glitch-1 0.3s linear !important;
  opacity: 0.8 !important;
  color: var(--cyan);
  z-index: -1;
}

.glitch-active::after {
  animation: glitch-2 0.3s linear !important;
  opacity: 0.8 !important;
  color: var(--magenta);
  z-index: -2;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
  }

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

  .nav-link {
    padding: 0.75rem 1rem;
  }

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

  .platform-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 55vh;
  }

  .post-container {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    margin-bottom: 1.5rem;
  }

  .post-nav .container {
    flex-direction: column;
  }

  .post-nav-next {
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }
}