/* ============================================
   MECHAFEED — Design System
   Neo-Industrial Editorial Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Outfit:wght@300;400;500;600&family=Fira+Code:wght@400;500&display=swap');

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

/* --- Design Tokens --- */
:root {
  /* Backgrounds — neutral charcoal, less blue-violet cast */
  --bg-root: #0A0A0B;
  --bg-primary: #0E0E10;
  --bg-secondary: #141416;
  --bg-card: #17171A;
  --bg-card-hover: #1C1C20;
  --bg-surface: #202024;
  --bg-elevated: #28282E;

  /* Borders */
  --border-subtle: #26262C;
  --border-default: #34343C;
  --border-strong: #4A4A54;

  /* Text */
  /* Neutral off-whites — less blue/purple cast for legibility */
  --text-primary: #F0F0F2;
  --text-secondary: #B4B4BC;
  --text-muted: #8A8A94;
  --text-inverse: #0A0A0C;

  /* Accents */
  --accent: #00F0B5;
  --accent-dim: #00C896;
  --accent-glow: rgba(0, 240, 181, 0.15);
  --accent-glow-strong: rgba(0, 240, 181, 0.3);
  --hot: #FF2D55;
  --hot-dim: #CC2444;
  --hot-glow: rgba(255, 45, 85, 0.15);
  --amber: #FFB800;
  --blue: #4D8DFF;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1400px;
  --sidebar-width: 340px;
  --header-height: 52px;
  --header-height-min: 40px;
  --topbar-height: 0px; /* topbar removed; kept for sticky offset compat */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* --- Base --- */
html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-root);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Accent glow bar at very top */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 20%,
    var(--blue) 50%,
    var(--accent) 80%,
    transparent 100%
  );
  z-index: 9999;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.15rem, 4.2vw, 3.45rem); }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 1.6vw, 1.35rem); }

p {
  color: var(--text-primary);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

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

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Category Badge --- */
.category-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25em 0.7em;
  border-radius: var(--radius-sm);
  display: inline-block;
  line-height: 1.4;
}

.category-badge--humanoids {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(0, 240, 181, 0.2);
}

.category-badge--robotics {
  background: rgba(77, 141, 255, 0.12);
  color: var(--blue);
  border: 1px solid rgba(77, 141, 255, 0.2);
}

.category-badge--ai {
  background: rgba(255, 184, 0, 0.1);
  color: var(--amber);
  border: 1px solid rgba(255, 184, 0, 0.2);
}

.category-badge--industry {
  background: rgba(255, 45, 85, 0.1);
  color: var(--hot);
  border: 1px solid rgba(255, 45, 85, 0.2);
}

.category-badge--research {
  background: rgba(168, 130, 255, 0.1);
  color: #A882FF;
  border: 1px solid rgba(168, 130, 255, 0.2);
}

.category-badge--deals {
  background: rgba(255, 184, 0, 0.1);
  color: var(--amber);
  border: 1px solid rgba(255, 184, 0, 0.2);
}

/* --- Article Meta --- */
.meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.meta__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

/* --- Ad Placeholder --- */
.ad-slot {
  background: var(--bg-secondary);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.ad-slot::before {
  content: 'Advertisement';
  position: absolute;
  top: var(--space-xs);
  left: var(--space-sm);
  font-size: 0.6rem;
  opacity: 0.5;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- Selection --- */
::selection {
  background: var(--accent-glow-strong);
  color: var(--text-primary);
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --header-height: 48px;
    --header-height-min: 38px;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }

  .container {
    padding: 0 var(--space-md);
  }
}

/* ============================================
   COMPONENT STYLES (extracted from .astro files)
   Required because Vite @fs/ CSS injection is
   broken when the project path contains '&'
   ============================================ */

/* --- Header (single compact bar; topbar removed) --- */
.header {
  height: var(--header-height);
  background: rgba(11, 11, 20, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 2px;
  z-index: 100;
  transition:
    height var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.header.is-scrolled,
.header.is-compact {
  height: var(--header-height-min);
  background: rgba(7, 7, 13, 0.96);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header__brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  flex-shrink: 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--text-primary);
  line-height: 1;
}

.header__logo-icon {
  color: var(--text-primary);
  display: flex;
  transition: transform var(--duration-fast) var(--ease-out);
}

.header__logo-icon svg {
  width: 22px;
  height: 22px;
}

.header.is-compact .header__logo-icon svg {
  width: 18px;
  height: 18px;
}

.header__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  transition: font-size var(--duration-fast) var(--ease-out);
}

.header.is-compact .header__logo-text {
  font-size: 0.92rem;
}

.header__logo-accent { color: var(--accent); }

.header__tagline-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 2px;
  max-height: 1.2rem;
  opacity: 1;
  overflow: hidden;
  transition:
    opacity var(--duration-fast) var(--ease-out),
    max-height var(--duration-normal) var(--ease-out),
    margin var(--duration-normal) var(--ease-out);
}

.header.is-compact .header__tagline-row {
  max-height: 0;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.header__signal {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  flex-shrink: 0;
  animation: header-pulse 2s ease-in-out infinite;
}

@keyframes header-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* keep old name if anything still references it */
@keyframes topbar-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.header__tagline {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.header__nav-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  white-space: nowrap;
}

.header.is-compact .header__nav-link {
  font-size: 0.75rem;
  padding: 0.2rem 0.45rem;
}

.header__nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.header__nav-link--active { color: var(--accent); }

.header__nav-link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.header__utils {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header__util-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--duration-fast);
  white-space: nowrap;
}

.header.is-compact .header__util-link {
  font-size: 0.6rem;
}

.header.is-compact .header__social-link {
  min-width: 20px;
  height: 20px;
  font-size: 0.6rem;
}

.header__util-link:hover { color: var(--text-primary); }

.header__social {
  display: flex;
  gap: 2px;
}

.header__social-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  min-width: 22px;
  height: 22px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

.header__social-link:hover {
  color: var(--accent);
  background: var(--accent-glow);
}

.header__menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.header__menu-btn span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: all var(--duration-fast);
}

.header__menu-btn.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.header__menu-btn.is-active span:nth-child(2) { opacity: 0; }
.header__menu-btn.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.header__mobile-nav {
  display: none;
  position: fixed;
  top: calc(2px + var(--header-height));
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-md) var(--space-lg);
  z-index: 98;
  max-height: calc(100vh - var(--header-height) - 2px);
  overflow-y: auto;
}

.header.is-compact .header__mobile-nav {
  top: calc(2px + var(--header-height-min));
}

.header__mobile-nav.is-open { display: block; }

.header__mobile-link {
  display: block;
  padding: 0.75rem 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--duration-fast);
}

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

.header__mobile-utils {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
}

.header__mobile-utils .header__mobile-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .header__nav { display: none; }
  .header__menu-btn { display: flex; }
  .header.is-compact .header__menu-btn { display: flex; }
}

@media (max-width: 720px) {
  .header__utils { display: none; }
}

@media (max-width: 480px) {
  .header__tagline { max-width: 11rem; }
}

/* --- Footer --- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-3xl);
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-md);
}

.footer__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.footer__logo-accent { color: var(--accent); }

.footer__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  max-width: 320px;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all var(--duration-fast);
}

.footer__social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.footer__heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer__list { list-style: none; }

.footer__link {
  display: block;
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}

.footer__link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer__newsletter-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.footer__newsletter-form {
  display: flex;
  gap: var(--space-xs);
}

.footer__newsletter-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-fast);
}

.footer__newsletter-input:focus { border-color: var(--accent); }
.footer__newsletter-input::placeholder { color: var(--text-muted); }

.footer__newsletter-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--bg-root);
  cursor: pointer;
  transition: all var(--duration-fast);
  flex-shrink: 0;
}

.footer__newsletter-btn:hover {
  background: var(--accent-dim);
  transform: translateX(2px);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.footer__copyright {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.footer__powered {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.footer__powered-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: topbar-pulse 2s ease-in-out infinite;
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* --- ArticleCard --- */
.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card:hover .card__image { transform: scale(1.05); }
.card:hover .card__border-glow { opacity: 1; }

.card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.card__image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card__category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
}

.card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__border-glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.card--large { grid-column: span 2; }
.card--large .card__image-wrap { aspect-ratio: 2 / 1; }
.card--large .card__title { font-size: 1.3rem; }

@media (max-width: 768px) {
  .card--large { grid-column: span 1; }
  .card--large .card__image-wrap { aspect-ratio: 16 / 9; }
}

/* --- HeroArticle --- */
.hero {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: transform var(--duration-normal) var(--ease-out);
}

.hero:hover { transform: scale(1.005); }
.hero:hover .hero__image { transform: scale(1.03); }

.hero__image {
  width: 100%;
  min-height: 480px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  transition: transform var(--duration-slow) var(--ease-out);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--bg-root) 0%,
    rgba(7, 7, 13, 0.8) 35%,
    rgba(7, 7, 13, 0.3) 65%,
    rgba(7, 7, 13, 0.15) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl) var(--space-2xl) var(--space-2xl);
  max-width: 720px;
}

.hero__badge-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero__featured-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--hot);
  background: var(--hot-glow);
  border: 1px solid rgba(255, 45, 85, 0.25);
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
}

.hero__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.hero__excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  max-width: 560px;
}

.hero__glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue), var(--accent));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.hero:hover .hero__glow { opacity: 1; }

@media (max-width: 768px) {
  .hero__image { min-height: 360px; }
  .hero__content { padding: var(--space-lg); }
}

/* --- Sidebar --- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.sidebar__section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.sidebar__heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar__heading-icon {
  display: flex;
  align-items: center;
}

.sidebar__trending {
  list-style: none;
  counter-reset: trending;
}

.sidebar__trending-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar__trending-item:last-child { border-bottom: none; }

.sidebar__trending-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--border-strong);
  line-height: 1;
  flex-shrink: 0;
  width: 28px;
}

.sidebar__trending-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-decoration: none;
  transition: all var(--duration-fast);
}

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

.sidebar__trending-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  transition: color var(--duration-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar__categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sidebar__category-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--duration-fast);
}

.sidebar__category-item:hover { background: rgba(255, 255, 255, 0.03); }

.sidebar__category-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.sidebar__category-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  flex: 1;
}

.sidebar__category-item:hover .sidebar__category-label { color: var(--text-primary); }

.sidebar__category-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
}

/* --- Newsletter --- */
.newsletter {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 240, 181, 0.04) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.newsletter__icon {
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: center;
}

.newsletter__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.newsletter__text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

.newsletter__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.newsletter__input {
  width: 100%;
  background: var(--bg-root);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.65rem var(--space-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-fast);
  text-align: center;
}

.newsletter__input:focus { border-color: var(--accent); }
.newsletter__input::placeholder { color: var(--text-muted); }

.newsletter__btn {
  width: 100%;
  padding: 0.65rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg-root);
  cursor: pointer;
  transition: all var(--duration-fast);
  letter-spacing: 0.02em;
}

.newsletter__btn:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.newsletter__note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: var(--space-md);
}

/* --- AdBanner --- */
.ad-slot {
  background: var(--bg-secondary);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.ad-slot::before {
  content: 'AD';
  position: absolute;
  top: 6px;
  left: 8px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  opacity: 0.4;
}

.ad-slot__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  opacity: 0.5;
}

.ad-slot__placeholder span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

/* --- BlogPost Layout --- */
.post__ad-top {
  max-width: var(--max-width);
  margin: var(--space-lg) auto;
  padding: 0 var(--space-lg);
}

.post__hero { margin-bottom: var(--space-2xl); }

.post__hero-image {
  width: 100%;
  min-height: 50vh;
  max-height: 520px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
}

.post__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--bg-root) 0%,
    rgba(7, 7, 13, 0.85) 30%,
    rgba(7, 7, 13, 0.4) 60%,
    rgba(7, 7, 13, 0.2) 100%
  );
}

.post__hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: var(--space-2xl);
}

.post__hero-content .category-badge { margin-bottom: var(--space-md); }

.post__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  max-width: 800px;
  margin-bottom: var(--space-md);
}

.post__layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--space-3xl);
  align-items: start;
}

.post__content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.post__content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.post__content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.post__content p { margin-bottom: var(--space-lg); }

.post__content ul,
.post__content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.post__content li { margin-bottom: var(--space-sm); }

.post__content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  color: var(--text-primary);
  font-style: italic;
}

.post__content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-card);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

.post__content pre {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.post__content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Visible Sources footer (last h2 is typically ## Sources) */
.post__content h2 {
  scroll-margin-top: 5rem;
}

.post__content h2:last-of-type {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.post__content h2:last-of-type + ul {
  list-style: none;
  padding-left: 0;
  margin-top: var(--space-md);
}

.post__content h2:last-of-type + ul li {
  margin-bottom: var(--space-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.post__content h2:last-of-type + ul a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-default);
  word-break: break-word;
}

.post__content h2:last-of-type + ul a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Embedded media (YouTube, X) */
.post__content .video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background: #0a0a0a;
}

.post__content .video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.post__content .x-embed {
  margin: var(--space-xl) 0;
  max-width: 550px;
}

.post__content .embed-caption {
  margin-top: calc(var(--space-sm) * -0.5);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--text-muted, #888);
}

.post__content img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
}

.post__content figure {
  margin: var(--space-xl) 0;
}

.post__content figure img {
  margin: 0 0 var(--space-sm);
}

.post__content figcaption {
  font-size: 0.875rem;
  color: var(--text-muted, #888);
  line-height: 1.4;
}

.post__updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-xl);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.post__ad-inline { margin: var(--space-2xl) 0; }

.post__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-2xl);
}

.post__tags {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.post__tags-label,
.post__share-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post__share {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.post__share-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.post__share-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.post__sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--topbar-height) + var(--space-lg));
}

.post__body {
  padding-top: var(--space-xl);
}

@media (max-width: 1024px) {
  .post__layout { grid-template-columns: 1fr; }
  .post__sidebar { position: static; }
}

/* --- Home Page --- */
.home {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-4xl);
}

.home__ad-top { margin: var(--space-lg) 0; }
.home__hero { margin-bottom: var(--space-2xl); }

.home__layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--space-3xl);
  align-items: start;
}

.home__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.home__section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.home__section-accent {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 400;
}

.home__view-all {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--duration-fast);
}

.home__view-all:hover { color: var(--accent); }

.home__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.home__grid--3col { grid-template-columns: repeat(3, 1fr); }
.home__ad-infeed { margin-bottom: var(--space-xl); }

.home__sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--topbar-height) + var(--space-lg));
}

@media (max-width: 1100px) {
  .home__layout { grid-template-columns: 1fr; }
  .home__sidebar { position: static; }
  .home__grid--3col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .home__grid,
  .home__grid--3col { grid-template-columns: 1fr; }
}

/* --- Category Page --- */
.cat-page {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-4xl);
}

.cat-page__header { padding: var(--space-2xl) 0; }

.cat-page__breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cat-page__breadcrumb a {
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.cat-page__breadcrumb a:hover { color: var(--accent); }
.cat-page__separator { opacity: 0.4; }

.cat-page__title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.cat-page__title .category-badge {
  font-size: 1rem;
  padding: 0.3em 1em;
}

.cat-page__count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.cat-page__ad-top { margin-bottom: var(--space-xl); }

.cat-page__layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--space-3xl);
  align-items: start;
}

.cat-page__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.cat-page__empty {
  text-align: center;
  padding: var(--space-4xl) 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.cat-page__sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--topbar-height) + var(--space-lg));
}

@media (max-width: 1100px) {
  .cat-page__layout { grid-template-columns: 1fr; }
  .cat-page__sidebar { position: static; }
}

@media (max-width: 640px) {
  .cat-page__grid { grid-template-columns: 1fr; }
}