:root {
  --bg-deep: #06080f;
  --bg-panel: rgba(12, 18, 32, 0.72);
  --border: rgba(99, 140, 255, 0.22);
  --text: #e8edf7;
  --text-muted: #94a3b8;
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --accent-glow: rgba(96, 165, 250, 0.35);
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 12px;
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body.landing-page {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  overflow-x: hidden;
}

.landing-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.18), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(139, 92, 246, 0.12), transparent),
    var(--bg-deep);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 140, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 140, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
}

.glow-1 {
  width: 420px;
  height: 420px;
  top: 10%;
  left: -8%;
  background: var(--accent-glow);
}

.glow-2 {
  width: 360px;
  height: 360px;
  bottom: 20%;
  right: -5%;
  background: rgba(167, 139, 250, 0.25);
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-h);
  padding: 0.5rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(6, 8, 15, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(96, 165, 250, 0.08);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  width: 1.15rem;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.landing-header.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.landing-header.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.landing-header.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}

.hero-banner {
  display: block;
  width: clamp(200px, 40vw, 400px);
  height: auto;
  margin: 0 auto 1.5rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(59, 130, 246, 0.35));
}

.landing-section--compact {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(99, 140, 255, 0.1);
}

.nav-link-cta {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(96, 165, 250, 0.08);
}

.nav-link-cta:hover {
  border-color: var(--accent);
  background: rgba(96, 165, 250, 0.18);
}

.landing-section {
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1120px;
  margin: 0 auto;
}

.landing-section--hero {
  padding-top: clamp(4rem, 12vw, 7rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-panel);
}

.hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 auto 2rem;
  max-width: 42rem;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #0f172a;
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.section-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--text-muted);
}

.contributions-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.contribution-card {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  backdrop-filter: blur(8px);
}

.contribution-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.contribution-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.icrf-panel {
  padding: 1.75rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.06));
}

.icrf-panel p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.icrf-panel p:last-child {
  margin-bottom: 0;
}

.icrf-routes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.route-chip {
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(6, 8, 15, 0.6);
}

.layers-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.layer-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.layer-card:hover {
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12);
}

.layer-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.layer-num {
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-2);
}

.layer-card p {
  margin: 0 0 1rem;
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.layer-card .layer-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.distributed-ai-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.ai-pillar {
  padding: 1.15rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.ai-pillar strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.ai-pillar span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cta-band {
  text-align: center;
  padding: 3rem 1.5rem;
  margin: 0 clamp(1.25rem, 4vw, 2.5rem) 3rem;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.cta-band h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.cta-band p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.landing-footer {
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
  border-top: 1px solid var(--border);
  text-align: center;
}

.landing-footer p {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.landing-footer nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.landing-footer a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.landing-footer a:hover {
  text-decoration: underline;
}

.landing-copyright {
  margin: 1.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.landing-copyright .copyright-symbol {
  margin-right: 0.2rem;
  font-size: 0.9rem;
}

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

.landing-copyright a:hover {
  text-decoration: underline;
}

.org-panel {
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.org-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.org-avatar {
  border-radius: 12px;
  flex-shrink: 0;
}

.org-header h3 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.org-tagline {
  margin: 0;
  color: var(--text-muted);
}

.org-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.org-meta a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.org-meta a:hover {
  text-decoration: underline;
}

.team-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.team-loading,
.team-error {
  margin: 0;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.team-error a {
  color: var(--accent);
}

.team-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.team-card:hover {
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12);
}

.team-card-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1.25rem;
  text-align: center;
  text-decoration: none;
  color: inherit;
}

.team-avatar {
  border-radius: 50%;
  margin-bottom: 0.85rem;
  border: 2px solid var(--border);
}

.team-name {
  margin: 0 0 0.15rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.team-role {
  margin: 0 0 0.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
}

.team-card--pinned {
  border-color: rgba(96, 165, 250, 0.35);
}

.team-login {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.team-bio {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.team-cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.reach-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.reach-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease;
}

.reach-card:hover {
  border-color: rgba(96, 165, 250, 0.45);
}

.reach-card strong {
  font-size: 0.95rem;
}

.reach-card span {
  font-size: 0.85rem;
  color: var(--text-muted);
  word-break: break-all;
}

.hero-lead a {
  color: var(--accent);
}

.blog-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-list-empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  list-style: none;
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-list-item:hover .blog-card {
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12);
}

.blog-list-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-2);
}

.blog-list-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
}

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

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

.blog-list-excerpt {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.blog-list-read {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  align-self: flex-start;
}

.blog-list-read:hover {
  text-decoration: underline;
}

/* Blog post reading layout — wide, comfortable measure */
.blog-post {
  max-width: min(1060px, 94vw);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1.5rem, 5vw, 3rem) 4rem;
}

.blog-post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
}

.blog-post-title {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}

.blog-post-meta {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.blog-post-author {
  color: var(--accent);
}

.blog-post-body {
  font-size: 1.125rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: #b8c5d9;
  max-width: none;
}

.blog-post-body > *:first-child {
  margin-top: 0;
}

.blog-post-body p {
  margin: 0 0 1.4rem;
}

.blog-post-body h2 {
  margin: 2.75rem 0 1rem;
  padding-top: 0.5rem;
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text);
}

.blog-post-body h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 1.4rem;
  padding-left: 1.5rem;
}

.blog-post-body li {
  margin-bottom: 0.65rem;
  padding-left: 0.25rem;
}

.blog-post-body li::marker {
  color: var(--accent);
}

.blog-post-body hr {
  margin: 2.5rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

.blog-post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(96, 165, 250, 0.35);
  text-underline-offset: 3px;
}

.blog-post-body a:hover {
  text-decoration-color: var(--accent);
}

.blog-post-body strong {
  color: var(--text);
  font-weight: 600;
}

.blog-post-body em {
  color: #d1dae8;
}

.blog-post-body blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem 1rem 1.5rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(59, 130, 246, 0.08);
  color: var(--text);
  font-size: 1.05rem;
}

.blog-post-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  background: rgba(6, 8, 15, 0.6);
  border: 1px solid var(--border);
  color: #a5d8ff;
}

.blog-post-body pre {
  margin: 1.5rem 0;
  padding: 1.25rem 1.35rem;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(6, 8, 15, 0.85);
  font-size: 0.9rem;
  line-height: 1.6;
}

.blog-post-body pre code {
  padding: 0;
  border: none;
  background: none;
}

.blog-post-body table {
  display: block;
  width: 100%;
  margin: 2rem 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.55;
}

.blog-post-body thead {
  background: rgba(59, 130, 246, 0.12);
}

.blog-post-body th,
.blog-post-body td {
  padding: 0.85rem 1rem;
  text-align: left;
  border: 1px solid var(--border);
  vertical-align: top;
}

.blog-post-body th {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.blog-post-body td {
  color: #b8c5d9;
}

.blog-post-body tr:nth-child(even) td {
  background: rgba(12, 18, 32, 0.45);
}

.blog-back {
  margin: 2.5rem 0 0;
  text-align: center;
}

.blog-back a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.blog-back a:hover {
  text-decoration: underline;
}

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

  .landing-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 1rem clamp(1rem, 4vw, 2.5rem) 1.25rem;
    background: rgba(6, 8, 15, 0.97);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 0.22s ease,
      opacity 0.22s ease,
      visibility 0.22s ease;
  }

  .landing-header.nav-open .landing-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .landing-nav .nav-link {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    text-align: center;
  }

  body.nav-menu-open {
    overflow: hidden;
  }

  .brand-text {
    font-size: 1rem;
  }

  .blog-card {
    padding: 1.15rem 1.2rem;
  }

  .blog-list-title {
    font-size: 1.05rem;
  }
}

@media (max-width: 520px) {
  .landing-footer nav {
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
  }

  .landing-copyright {
    font-size: 0.75rem;
    line-height: 1.5;
  }
}