/* Stackless Brand Site — Neo-Brutalist */

:root {
  --bg: #FDFCF0;
  --white: #ffffff;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-600: #475569;
  --pink-500: #ec4899;
  --pink-600: #db2777;
  --indigo-600: #4f46e5;
  --indigo-500: #6366f1;
  --lime-400: #a3e635;
  --lime-600: #65a30d;
  --yellow-300: #fde047;
  --yellow-500: #eab308;
  --amber-400: #fbbf24;
  --rose-400: #fb7185;
  --violet-400: #a78bfa;
  --radius: 0;
}

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

::selection {
  background: var(--pink-500);
  color: var(--white);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--slate-900);
  line-height: 1.6;
  min-height: 100vh;
}

/* Dot pattern background */
.dot-pattern {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image: radial-gradient(#000 0.5px, transparent 0.5px);
  background-size: 24px 24px;
  z-index: 0;
}

/* Top Banner */
.top-banner {
  background: var(--indigo-600);
  color: var(--white);
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 4px solid var(--slate-900);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  text-decoration: none;
}

.logo-icon {
  background: var(--pink-500);
  border: 2px solid var(--slate-900);
  padding: 0.5rem;
  box-shadow: 3px 3px 0 0 rgba(0,0,0,1);
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-group:hover .logo-icon {
  transform: translate(0.5px, 0.5px);
  box-shadow: none;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
  fill: var(--white);
}

.logo-text {
  font-size: 1.875rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  font-style: italic;
  color: var(--slate-900);
  text-decoration: none;
}

.logo-text span {
  color: var(--indigo-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--slate-900);
  text-decoration: none;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--pink-500); }
.nav-links a.active { color: var(--indigo-600); }

.hamburger {
  display: none;
  padding: 0.5rem;
  background: var(--slate-100);
  border: 2px solid var(--slate-900);
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.hamburger span {
  width: 24px;
  height: 4px;
  background: var(--slate-900);
  display: block;
}

/* Hero */
.hero {
  position: relative;
  padding: 4rem 1rem 6rem;
  overflow: hidden;
  text-align: center;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  border: 2px solid var(--slate-900);
  padding: 0.5rem 1rem;
  margin-bottom: 2rem;
  transform: rotate(1deg);
  box-shadow: 4px 4px 0 0 var(--pink-500);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  stroke: var(--pink-500);
}

.hero-badge span {
  font-size: 0.875rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--slate-900);
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.9;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero h1 .accent {
  color: var(--indigo-600);
  font-style: italic;
  text-decoration: underline;
  text-decoration-color: var(--pink-500);
  text-underline-offset: 8px;
  text-decoration-thickness: 6px;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--slate-700);
  max-width: 640px;
  margin: 0 auto 3rem;
  font-weight: 700;
  line-height: 1.4;
}

.hero-subtitle .highlight {
  background: var(--yellow-300);
  padding: 0 0.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
}

.btn-hero {
  padding: 1.25rem 2.5rem;
  border: 4px solid var(--slate-900);
  font-size: 1.25rem;
  font-weight: 900;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  text-transform: uppercase;
}

.btn-hero svg {
  width: 24px;
  height: 24px;
}

.btn-hero-primary {
  background: var(--pink-500);
  color: var(--white);
  box-shadow: 8px 8px 0 0 rgba(0,0,0,1);
}

.btn-hero-primary:hover {
  box-shadow: none;
  transform: translate(2px, 2px);
}

.btn-hero-secondary {
  background: var(--white);
  color: var(--slate-900);
  box-shadow: 8px 8px 0 0 var(--indigo-600);
}

.btn-hero-secondary:hover {
  box-shadow: none;
  transform: translate(2px, 2px);
}

/* Floating shapes */
.float-circle {
  display: none;
  position: absolute;
  width: 6rem;
  height: 6rem;
  background: var(--yellow-300);
  border: 4px solid var(--slate-900);
  border-radius: 50%;
  box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
  animation: float-bounce 2s infinite ease-in-out;
  top: 5rem;
  left: 2rem;
}

.float-square {
  display: none;
  position: absolute;
  width: 8rem;
  height: 8rem;
  background: var(--lime-400);
  border: 4px solid var(--slate-900);
  transform: rotate(12deg);
  box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
  bottom: 2rem;
  right: 4rem;
}

@keyframes float-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Stats */
.stats-band {
  background: var(--indigo-600);
  border-top: 4px solid var(--slate-900);
  border-bottom: 4px solid var(--slate-900);
  padding: 4rem 1rem;
  transform: rotate(-1deg) scale(1.05);
}

.stats-inner {
  transform: rotate(1deg);
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  padding: 0 1rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border: 4px solid var(--slate-900);
  box-shadow: 8px 8px 0 0 rgba(0,0,0,1);
}

.stat-icon {
  padding: 1rem;
  border: 2px solid var(--slate-900);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--white);
}

.stat-icon.rose { background: var(--rose-400); }
.stat-icon.violet { background: var(--violet-400); }
.stat-icon.amber { background: var(--amber-400); }

.stat-label {
  color: var(--slate-500);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--slate-900);
}

/* Lab Feed / Projects Section */
.lab-feed {
  padding: 6rem 1rem;
  max-width: 1280px;
  margin: 2.5rem auto 0;
}

.feed-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  background: var(--white);
  border: 4px solid var(--slate-900);
  padding: 2rem;
  box-shadow: 8px 8px 0 0 var(--pink-500);
  margin-bottom: 4rem;
}

.feed-title {
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  font-style: italic;
  margin-bottom: 1rem;
}

.feed-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--slate-900);
  font-size: 0.875rem;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--white);
  color: var(--slate-900);
  box-shadow: 3px 3px 0 0 rgba(0,0,0,1);
}

.filter-btn:hover {
  box-shadow: none;
  transform: translate(0.5px, 0.5px);
}

.filter-btn.active {
  background: var(--indigo-600);
  color: var(--white);
  box-shadow: none;
  transform: translate(1px, 1px);
}

.feed-search {
  position: relative;
  width: 100%;
  max-width: 20rem;
}

.feed-search svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  stroke: var(--slate-900);
}

.feed-search input {
  width: 100%;
  background: var(--white);
  border: 2px solid var(--slate-900);
  padding: 1rem 1.5rem 1rem 3rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.875rem;
  outline: none;
}

.feed-search input:focus {
  background: var(--slate-100);
}

/* Project Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.project-card {
  background: var(--white);
  border: 4px solid var(--slate-900);
  box-shadow: 12px 12px 0 0 rgba(0,0,0,1);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-card:hover {
  box-shadow: none;
  transform: translate(2px, 2px);
}

.card-color-bar {
  height: 1rem;
  border-bottom: 4px solid var(--slate-900);
}

.bar-pink { background: var(--pink-500); }
.bar-yellow { background: var(--yellow-300); }
.bar-indigo { background: var(--indigo-500); }
.bar-lime { background: var(--lime-400); }

.card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-category {
  padding: 0.25rem 1rem;
  border: 2px solid var(--slate-900);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-900);
}

.card-date {
  font-size: 0.875rem;
  font-weight: 900;
  color: var(--slate-900);
}

.card-title {
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.project-card:hover .card-title {
  color: var(--indigo-600);
}

.card-desc {
  color: var(--slate-700);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  background: var(--slate-100);
  border: 1px solid var(--slate-900);
  padding: 0.25rem 0.5rem;
}

.tag-lime { background: var(--lime-400); border-color: var(--lime-400); }
.tag-amber { background: var(--amber-400); border-color: var(--amber-400); }
.tag-yellow { background: var(--yellow-300); border-color: var(--yellow-300); }
.tag-pink { background: var(--pink-500); color: white; border-color: var(--pink-500); }
.tag-indigo { background: var(--indigo-600); color: white; border-color: var(--indigo-600); }
.tag-indigo-light { background: var(--indigo-500); color: white; border-color: var(--indigo-500); }
.tag-series { background: var(--slate-900); border-color: var(--slate-900); font-size: 0.7rem; }
.tag-series-guide { color: var(--lime-400); }
.tag-series-nonexpert { color: var(--pink-500); }
.tag-series-start { color: var(--amber-400); }

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 2px solid var(--slate-900);
}

.card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--slate-900);
  border-radius: 50%;
}

.status-dot.live { background: var(--lime-400); }
.status-dot.progress { background: var(--amber-400); }

.status-label {
  font-size: 0.875rem;
  font-weight: 900;
  text-transform: uppercase;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--yellow-300);
  border: 2px solid var(--slate-900);
  padding: 0.5rem 1rem;
  font-weight: 900;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--slate-900);
  text-transform: uppercase;
  transition: background 0.2s;
}

.card-link:hover {
  background: var(--white);
}

.card-link svg {
  width: 18px;
  height: 18px;
}

.project-card.spotlight {
  grid-column: 1 / -1;
}

/* Mission / Vibe Section */
.mission {
  padding: 6rem 1rem;
}

.mission-box {
  max-width: 56rem;
  margin: 0 auto;
  background: var(--white);
  border: 4px solid var(--slate-900);
  padding: 3rem;
  text-align: center;
  box-shadow: 16px 16px 0 0 var(--indigo-600);
}

.mission-title {
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  font-style: italic;
  letter-spacing: -0.05em;
  margin-bottom: 2rem;
}

.mission-text {
  font-size: 1.25rem;
  color: var(--slate-800);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 3rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-icon {
  padding: 0.75rem;
  border: 2px solid var(--slate-900);
  box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icon:hover {
  box-shadow: none;
  transform: translate(1px, 1px);
}

.social-icon svg {
  width: 2rem;
  height: 2rem;
}

.social-icon.pink { background: var(--pink-500); }
.social-icon.pink svg { stroke: var(--white); }
.social-icon.indigo { background: var(--indigo-500); }
.social-icon.indigo svg { stroke: var(--white); }
.social-icon.lime { background: var(--lime-400); }
.social-icon.lime svg { stroke: var(--slate-900); }

/* Footer */
footer {
  padding: 3rem 1rem;
  border-top: 4px solid var(--slate-900);
  text-align: center;
  background: var(--white);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--slate-900);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.footer-links a:hover {
  color: var(--indigo-600);
}

footer p {
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  color: var(--slate-900);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--pink-500);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}

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

.mobile-menu-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--white);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.mobile-menu a {
  font-size: 2.5rem;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--slate-900);
}

/* Price tag */
.card-price {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--indigo-600);
  margin-bottom: 1rem;
}

/* Responsive */
@media (min-width: 1024px) {
  .float-circle, .float-square {
    display: block;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .stats-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .hero h1 {
    font-size: 3rem;
  }

  .feed-title {
    font-size: 2rem;
  }

  .feed-header {
    flex-direction: column;
    align-items: stretch;
  }

  .feed-search {
    max-width: 100%;
  }

  .mission-box {
    padding: 2rem;
  }

  .mission-title {
    font-size: 2rem;
  }

  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .stats-band {
    transform: rotate(0) scale(1);
  }

  .stats-inner {
    transform: rotate(0);
  }
}

@media (max-width: 375px) {
  .hero h1 {
    font-size: 2.25rem;
  }

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

/* About page styles */
.page-header {
  padding: 3rem 1rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
}

.page-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

.content-card {
  background: var(--white);
  border: 4px solid var(--slate-900);
  padding: 2.5rem;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,1);
  margin-bottom: 2rem;
}

.content-card h2 {
  font-size: 1.75rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.content-card p {
  color: var(--slate-700);
  font-weight: 600;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.content-card p:last-child {
  margin-bottom: 0;
}

/* Value props grid */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.value-card {
  background: var(--bg);
  border: 2px solid var(--slate-900);
  padding: 1.5rem;
  box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
}

.value-card h3 {
  font-size: 1.125rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9375rem;
}

/* Product grid for shop links */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Blog / article list */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-item {
  background: var(--white);
  border: 3px solid var(--slate-900);
  padding: 1.5rem 2rem;
  box-shadow: 6px 6px 0 0 rgba(0,0,0,1);
  transition: all 0.15s;
}

.article-item:hover {
  box-shadow: none;
  transform: translate(2px, 2px);
}

.article-item h3 {
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.article-item .meta {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--slate-500);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.article-item p {
  color: var(--slate-700);
  font-weight: 600;
}

/* CTA section */
.cta-section {
  text-align: center;
  margin-top: 3rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--indigo-600);
  color: var(--white);
  text-decoration: none;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.875rem;
  border: 3px solid var(--slate-900);
  box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
  transition: all 0.15s;
  cursor: pointer;
}

.btn:hover {
  box-shadow: none;
  transform: translate(1px, 1px);
}

/* ============================================
   THEME TOGGLE BUTTON (sun / moon)
   ============================================ */

.theme-toggle {
  background: var(--slate-100);
  border: 2px solid var(--slate-900);
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: 2px 2px 0 0 rgba(0,0,0,1);
  transition: all 0.15s;
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
}

.theme-toggle:hover {
  box-shadow: none;
  transform: translate(1px, 1px);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
  color: var(--slate-900);
  line-height: 0;
}

.theme-toggle .icon-sun svg,
.theme-toggle .icon-moon svg {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun,
:root:not([data-theme="dark"]) .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
  color: var(--slate-900);
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] {
  --bg: #111115;
  --white: #1e1e28;
  --slate-900: #e8eaf0;
  --slate-800: #d0d4de;
  --slate-700: #a8b0c4;
  --slate-500: #68718a;
  --slate-100: #2a2a38;
  --slate-50: #1a1a26;
  --slate-200: #2e2e3e;
  --slate-300: #3a3a4e;
  --slate-400: #5a5e74;
  --slate-600: #8a90a8;
  --lime-400: #86efac;
}

[data-theme="dark"] body {
  background: var(--bg);
  color: var(--slate-900);
}

[data-theme="dark"] .dot-pattern {
  background-image: radial-gradient(rgba(255,255,255,0.15) 0.5px, transparent 0.5px);
}

[data-theme="dark"] nav {
  background: var(--white);
  border-bottom-color: rgba(255,255,255,0.12);
}

[data-theme="dark"] .logo-text {
  color: var(--slate-900);
}

[data-theme="dark"] .nav-links a {
  color: var(--slate-900);
}

[data-theme="dark"] .top-banner {
  background: #3730a3;
}

[data-theme="dark"] footer {
  background: var(--white);
  border-top-color: rgba(255,255,255,0.12);
}

[data-theme="dark"] footer p {
  color: var(--slate-700);
}

[data-theme="dark"] .footer-links a {
  color: var(--slate-700);
}

[data-theme="dark"] .footer-links a:hover {
  color: var(--lime-400);
}

/* Cards and white surfaces */
[data-theme="dark"] .project-card,
[data-theme="dark"] .content-card,
[data-theme="dark"] .article-item,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .feed-header,
[data-theme="dark"] .mission-box,
[data-theme="dark"] .value-card,
[data-theme="dark"] .hero-badge,
[data-theme="dark"] .btn-hero-secondary {
  background: var(--white);
  border-color: rgba(255,255,255,0.15);
}

[data-theme="dark"] .project-card {
  box-shadow: 12px 12px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .stat-card {
  box-shadow: 8px 8px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .content-card {
  box-shadow: 8px 8px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .article-item {
  box-shadow: 6px 6px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .feed-header {
  box-shadow: 8px 8px 0 0 var(--pink-500);
}

[data-theme="dark"] .mission-box {
  box-shadow: 16px 16px 0 0 var(--indigo-600);
}

[data-theme="dark"] .value-card {
  background: var(--slate-100);
  box-shadow: 4px 4px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .hero-badge {
  border-color: rgba(255,255,255,0.15);
}

[data-theme="dark"] .hero-badge span {
  color: var(--slate-900);
}

[data-theme="dark"] .tag {
  background: var(--slate-100);
  color: var(--slate-900);
  border-color: rgba(255,255,255,0.15);
}

[data-theme="dark"] .tag-lime { background: var(--lime-400); border-color: var(--lime-400); color: var(--slate-900); }
[data-theme="dark"] .tag-amber { background: var(--amber-400); border-color: var(--amber-400); color: var(--slate-900); }
[data-theme="dark"] .tag-yellow { background: var(--yellow-300); border-color: var(--yellow-300); color: var(--slate-900); }
[data-theme="dark"] .tag-pink { background: var(--pink-500); border-color: var(--pink-500); color: white; }
[data-theme="dark"] .tag-indigo { background: var(--indigo-600); border-color: var(--indigo-600); color: white; }
[data-theme="dark"] .tag-indigo-light { background: var(--indigo-500); border-color: var(--indigo-500); color: white; }
[data-theme="dark"] .tag-series { background: #1a1a2e; border-color: rgba(255,255,255,0.15); }
[data-theme="dark"] .tag-series-guide { color: var(--lime-400); }
[data-theme="dark"] .tag-series-nonexpert { color: var(--pink-500); }
[data-theme="dark"] .tag-series-start { color: var(--amber-400); }

[data-theme="dark"] .filter-btn {
  background: var(--white);
  color: var(--slate-900);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 3px 3px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .feed-search input {
  background: var(--white);
  color: var(--slate-900);
  border-color: rgba(255,255,255,0.15);
}

[data-theme="dark"] .feed-search input:focus {
  background: var(--slate-100);
}

[data-theme="dark"] .feed-search svg {
  stroke: var(--slate-700);
}

[data-theme="dark"] .hamburger {
  background: var(--slate-100);
  border-color: rgba(255,255,255,0.15);
}

[data-theme="dark"] .hamburger span {
  background: var(--slate-900);
}

[data-theme="dark"] .theme-toggle {
  background: var(--slate-100);
  border-color: rgba(255,255,255,0.2);
  box-shadow: 2px 2px 0 0 rgba(255,255,255,0.06);
}

[data-theme="dark"] .card-footer {
  border-top-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .status-dot {
  border-color: rgba(255,255,255,0.3);
}

[data-theme="dark"] .btn-hero-secondary {
  color: var(--slate-900);
}

/* Article items */
[data-theme="dark"] .article-item h3 {
  color: var(--slate-900);
}

[data-theme="dark"] .article-item .meta {
  color: var(--slate-500);
}

[data-theme="dark"] .article-item p {
  color: var(--slate-700);
}

/* Page content areas */
[data-theme="dark"] .page-header h1 {
  color: var(--slate-900);
}

[data-theme="dark"] .content-card h2 {
  color: var(--slate-900);
}

[data-theme="dark"] .content-card p {
  color: var(--slate-700);
}

[data-theme="dark"] .value-card h3 {
  color: var(--slate-900);
}

[data-theme="dark"] .value-card p {
  color: var(--slate-700);
}