:root {
  --bg: #060816;
  --bg-soft: rgba(11, 17, 38, 0.82);
  --surface: rgba(11, 17, 38, 0.7);
  --surface-strong: rgba(15, 24, 52, 0.88);
  --surface-hover: rgba(20, 31, 66, 0.95);
  --line: rgba(132, 156, 255, 0.18);
  --line-strong: rgba(132, 156, 255, 0.34);
  --text: #eef2ff;
  --muted: #a5afd6;
  --primary: #6ca8ff;
  --secondary: #8c7dff;
  --accent: #22d3ee;
  --success: #69f0ae;
  --shadow: 0 20px 80px rgba(5, 10, 24, 0.48);
  --shadow-soft: 0 16px 48px rgba(0, 0, 0, 0.22);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(108, 168, 255, 0.13), transparent 26%),
    radial-gradient(circle at top right, rgba(140, 125, 255, 0.15), transparent 28%),
    linear-gradient(180deg, #040612 0%, #060816 35%, #091024 100%);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.page-shell {
  position: relative;
  isolation: isolate;
}

.ambient {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.38;
  pointer-events: none;
  z-index: -3;
}

.ambient-left {
  top: -10rem;
  left: -8rem;
  background: rgba(34, 211, 238, 0.14);
}

.ambient-right {
  top: 12rem;
  right: -10rem;
  background: rgba(140, 125, 255, 0.18);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.8), transparent 82%);
  opacity: 0.32;
  pointer-events: none;
  z-index: -2;
}

.particle-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.particle-field span {
  position: absolute;
  width: var(--size);
  height: var(--size);
  top: var(--top);
  left: var(--left);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(108, 168, 255, 0.95), rgba(108, 168, 255, 0));
  opacity: 0.24;
  animation: floatParticle var(--duration) linear infinite;
  animation-delay: var(--delay);
}

@keyframes floatParticle {
  0% {
    transform: translate3d(0, 0, 0) scale(0.92);
    opacity: 0;
  }

  20% {
    opacity: 0.24;
  }

  80% {
    opacity: 0.08;
  }

  100% {
    transform: translate3d(var(--drift-x), -90px, 0) scale(1.2);
    opacity: 0;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(24px);
  background: rgba(5, 8, 20, 0.52);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 40px rgba(4, 8, 18, 0.22);
}

.header-inner,
.section,
.site-footer {
  width: var(--container);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-wrap {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(108, 168, 255, 0.18), rgba(140, 125, 255, 0.18)),
    rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 12px 28px rgba(108, 168, 255, 0.26);
  overflow: hidden;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.85rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.96rem;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: rgba(10, 15, 30, 0.74);
  border-radius: 14px;
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 6px auto;
  background: var(--text);
  border-radius: 999px;
}

.section {
  padding: 88px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 42px;
  padding-top: 72px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 16px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  line-height: 1.03;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  letter-spacing: -0.04em;
  max-width: 9ch;
}

.hero-subtitle {
  margin: 20px 0 18px;
  color: #d9e3ff;
  font-size: clamp(1.18rem, 2.5vw, 1.72rem);
  font-weight: 700;
}

.hero-description,
.section-heading p,
.info-card p,
.knowledge-card p,
.value-card p,
.author-card p,
.community-item p,
.author-lead-copy {
  color: var(--muted);
}

.hero-description {
  margin: 0;
  max-width: 66ch;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background:
    radial-gradient(circle at top right, rgba(248, 242, 164, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    rgba(10, 16, 34, 0.72);
  box-shadow: var(--shadow-soft);
}

.hero-support-copy strong {
  display: block;
  margin: 12px 0 8px;
  font-size: 1.04rem;
}

.hero-support-copy p {
  margin: 0;
  color: var(--muted);
}

.github-star-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 198px;
  min-height: 72px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(248, 242, 164, 0.14);
  background: rgba(7, 12, 27, 0.92);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.github-star-card iframe {
  display: block;
  border: 0;
  overflow: hidden;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, #6ca8ff 0%, #8c7dff 100%);
  color: #06101f;
  box-shadow: 0 20px 40px rgba(108, 168, 255, 0.28);
}

.button.secondary,
.button.ghost {
  border-color: var(--line-strong);
  background: rgba(12, 18, 36, 0.64);
}

.button.secondary:hover,
.button.ghost:hover,
.button.secondary:focus-visible,
.button.ghost:focus-visible {
  background: rgba(18, 27, 56, 0.96);
  box-shadow: 0 14px 34px rgba(108, 168, 255, 0.14);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.meta-card,
.dashboard-card,
.info-card,
.knowledge-card,
.value-card,
.author-card,
.frontier-card,
.frontier-benefits,
.frontier-cta,
.frontier-benefit-item,
.author-lead,
.community-item,
.image-card,
.mini-image-card,
.positioning-band {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.meta-card::before,
.dashboard-card::before,
.info-card::before,
.knowledge-card::before,
.value-card::before,
.author-card::before,
.frontier-card::before,
.frontier-benefits::before,
.frontier-cta::before,
.frontier-benefit-item::before,
.author-lead::before,
.community-item::before,
.image-card::before,
.mini-image-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108, 168, 255, 0.1), transparent 38%, transparent 62%, rgba(34, 211, 238, 0.06));
  opacity: 0;
  transition: opacity 240ms ease;
  pointer-events: none;
}

.meta-card:hover::before,
.dashboard-card:hover::before,
.info-card:hover::before,
.knowledge-card:hover::before,
.value-card:hover::before,
.author-card:hover::before,
.frontier-card:hover::before,
.frontier-benefits:hover::before,
.frontier-cta:hover::before,
.frontier-benefit-item:hover::before,
.author-lead:hover::before,
.community-item:hover::before,
.image-card:hover::before,
.mini-image-card:hover::before {
  opacity: 1;
}

.meta-card {
  padding: 18px 20px;
}

.meta-label,
.band-label,
.image-tag,
.author-lead-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: #d7e4ff;
  background: rgba(108, 168, 255, 0.14);
  border: 1px solid rgba(108, 168, 255, 0.2);
}

.meta-card strong,
.info-card h3,
.knowledge-card h3,
.value-card h3,
.author-card h3,
.community-item h3,
.image-card h3,
.author-lead h3 {
  display: block;
  margin: 12px 0 10px;
  font-size: 1.12rem;
}

.meta-card p,
.hero-dashboard {
  margin: 0;
}

.hero-dashboard {
  padding: 22px;
  background:
    radial-gradient(circle at top right, rgba(140, 125, 255, 0.16), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    var(--surface-strong);
  box-shadow: var(--shadow);
}

.dashboard-topline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #dbeafe;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 10px rgba(105, 240, 174, 0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.stat-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(6, 12, 28, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.stat-card strong {
  display: block;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 1.14rem;
  margin-bottom: 4px;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual-group {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.hero-visual {
  margin: 0;
  background: rgba(6, 12, 28, 0.7);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.hero-visual img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.hero-visual-primary img {
  aspect-ratio: 16 / 9;
  height: auto;
}

.hero-visual-secondary img {
  height: auto;
  object-fit: contain;
  background: rgba(6, 12, 28, 0.92);
}

.hero-visual figcaption {
  padding: 12px 16px 14px;
  color: #c9d8ff;
  font-size: 0.9rem;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  background: linear-gradient(180deg, rgba(9, 14, 32, 0.4), rgba(9, 14, 32, 0.9));
}

.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-pill-row span,
.chip-row span,
.lead-metrics span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  color: #d7e4ff;
  font-size: 0.86rem;
  border: 1px solid rgba(132, 156, 255, 0.16);
  background: rgba(8, 14, 32, 0.78);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.15rem);
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 16px 0 0;
  font-size: 1rem;
}

.overview-grid,
.value-grid,
.author-grid,
.community-list,
.social-grid {
  display: grid;
  gap: 18px;
}

.overview-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
  padding: 24px;
}

.card-index {
  display: inline-flex;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent);
}

.positioning-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 20px 24px;
  margin-top: 20px;
}

.positioning-band strong {
  display: block;
  margin-top: 10px;
  font-size: 1.02rem;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-card,
.value-card,
.author-card,
.community-item,
.frontier-card,
.frontier-benefit-item {
  padding: 24px;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease,
    box-shadow 220ms ease;
}

.knowledge-card:hover,
.value-card:hover,
.author-card:hover,
.community-item:hover,
.frontier-card:hover,
.frontier-benefit-item:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 168, 255, 0.3);
  background: var(--surface-hover);
  box-shadow: 0 20px 60px rgba(8, 15, 34, 0.34);
}

.knowledge-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  font-family: "IBM Plex Mono", monospace;
  color: white;
  background: linear-gradient(135deg, rgba(108, 168, 255, 0.84), rgba(140, 125, 255, 0.84));
  box-shadow: 0 14px 28px rgba(108, 168, 255, 0.18);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.frontier-hero,
.frontier-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.frontier-hero,
.frontier-benefits,
.frontier-cta {
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.14), transparent 24%),
    radial-gradient(circle at bottom left, rgba(108, 168, 255, 0.14), transparent 32%),
    var(--surface-strong);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.frontier-hero {
  margin-bottom: 18px;
}

.frontier-hero::before,
.frontier-benefits::before,
.frontier-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 1;
  background:
    linear-gradient(125deg, rgba(108, 168, 255, 0.14), transparent 32%),
    linear-gradient(305deg, rgba(140, 125, 255, 0.14), transparent 28%);
  pointer-events: none;
}

.frontier-hero-copy,
.frontier-summary,
.frontier-benefits,
.frontier-cta {
  position: relative;
  z-index: 1;
}

.frontier-hero-copy h3,
.frontier-benefits h3,
.frontier-cta h3 {
  margin: 16px 0 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.15;
}

.frontier-hero-copy p,
.frontier-card-copy,
.frontier-item p,
.frontier-benefit-item p,
.frontier-cta p,
.frontier-summary-card span {
  color: var(--muted);
}

.frontier-word {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.frontier-word-agent {
  color: #84f5bb;
  text-shadow: 0 0 22px rgba(105, 240, 174, 0.24);
}

.frontier-word-multimodal {
  color: #7de8ff;
  text-shadow: 0 0 22px rgba(34, 211, 238, 0.24);
}

.frontier-word-research {
  color: #ffc877;
  text-shadow: 0 0 22px rgba(255, 183, 77, 0.22);
}

.frontier-word-model {
  color: #b8abff;
  text-shadow: 0 0 22px rgba(140, 125, 255, 0.24);
}

.frontier-word-signal {
  color: #f8f2a4;
  text-shadow: 0 0 22px rgba(248, 242, 164, 0.18);
}

.frontier-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.frontier-card-tag,
.frontier-card-count,
.frontier-summary-card strong,
.frontier-link,
.frontier-sub-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(132, 156, 255, 0.16);
  background: rgba(8, 14, 32, 0.78);
  color: #d7e4ff;
}

.frontier-pill,
.frontier-keyword {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(132, 156, 255, 0.16);
  background: rgba(8, 14, 32, 0.78);
  color: #d7e4ff;
  font-size: 0.86rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.frontier-pill.is-agent,
.frontier-keyword.is-agent {
  color: #84f5bb;
  border-color: rgba(105, 240, 174, 0.3);
  background: rgba(12, 28, 24, 0.78);
}

.frontier-pill.is-multimodal,
.frontier-keyword.is-multimodal {
  color: #7de8ff;
  border-color: rgba(34, 211, 238, 0.3);
  background: rgba(8, 24, 30, 0.78);
}

.frontier-pill.is-research,
.frontier-keyword.is-research {
  color: #ffc877;
  border-color: rgba(255, 183, 77, 0.32);
  background: rgba(28, 20, 8, 0.8);
}

.frontier-pill.is-model,
.frontier-keyword.is-model {
  color: #b8abff;
  border-color: rgba(140, 125, 255, 0.32);
  background: rgba(18, 14, 34, 0.8);
}

.frontier-pill.is-signal,
.frontier-keyword.is-signal {
  color: #f8f2a4;
  border-color: rgba(248, 242, 164, 0.28);
  background: rgba(30, 28, 10, 0.8);
}

.frontier-pill.is-neutral,
.frontier-keyword.is-neutral {
  color: #d7e4ff;
}

.frontier-summary {
  display: grid;
  gap: 14px;
}

.frontier-summary-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(6, 12, 28, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.frontier-summary-card span,
.frontier-card-head {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.frontier-summary-card strong {
  margin-top: 10px;
  min-height: auto;
  padding: 10px 12px;
  border-radius: 16px;
  color: #e9f0ff;
  line-height: 1.5;
}

.frontier-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.frontier-card::after {
  content: "";
  position: absolute;
  inset: auto 24px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  opacity: 0.55;
}

.frontier-card {
  position: relative;
  overflow: hidden;
}

.frontier-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.frontier-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.frontier-card-slash,
.frontier-item-overline,
.frontier-footnote {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

.frontier-card-slash {
  font-size: 0.78rem;
  color: var(--muted);
}

.frontier-card-tag,
.frontier-card-count {
  min-height: 30px;
  color: #d7e4ff;
  font-size: 0.74rem;
}

.frontier-card h3 {
  margin: 18px 0 10px;
  font-size: 1.22rem;
}

.frontier-card-copy {
  margin: 0 0 18px;
}

.frontier-keywords,
.frontier-cta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.frontier-keywords {
  margin-bottom: 18px;
}

.frontier-card-agent {
  background:
    linear-gradient(180deg, rgba(105, 240, 174, 0.1), rgba(255, 255, 255, 0)),
    var(--surface);
}

.frontier-card-multimodal {
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.1), rgba(255, 255, 255, 0)),
    var(--surface);
}

.frontier-card-research {
  background:
    linear-gradient(180deg, rgba(255, 183, 77, 0.1), rgba(255, 255, 255, 0)),
    var(--surface);
}

.frontier-card-model {
  background:
    linear-gradient(180deg, rgba(140, 125, 255, 0.1), rgba(255, 255, 255, 0)),
    var(--surface);
}

.frontier-list {
  display: grid;
  gap: 12px;
}

.frontier-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  padding: 16px 0 0;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.frontier-item-index {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--accent);
  background: rgba(12, 20, 44, 0.72);
  border: 1px solid rgba(132, 156, 255, 0.18);
}

.frontier-item-overline {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
}

.frontier-item-body h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  line-height: 1.45;
}

.frontier-item p {
  margin: 0;
  font-size: 0.95rem;
}

.frontier-link,
.frontier-sub-links a {
  min-height: 30px;
  color: #e8f1ff;
  font-size: 0.8rem;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.frontier-link:hover,
.frontier-sub-links a:hover {
  transform: translateY(-1px);
  border-color: rgba(108, 168, 255, 0.32);
  background: rgba(18, 27, 56, 0.96);
}

.frontier-sub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.frontier-bottom {
  margin-top: 18px;
}

.frontier-benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.frontier-benefit-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.frontier-benefit-item p {
  margin: 0;
}

.frontier-cta {
  background:
    radial-gradient(circle at top right, rgba(105, 240, 174, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(108, 168, 255, 0.08), rgba(255, 255, 255, 0)),
    var(--surface-strong);
}

.frontier-cta-pills {
  margin-top: 18px;
}

.frontier-cta .button {
  margin-top: 16px;
}

.frontier-footnote {
  margin: 14px 0 0;
  font-size: 0.76rem;
  color: #93a0d2;
}

.author-lead {
  padding: 28px;
  margin-bottom: 20px;
}

.author-lead-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  display: inline-grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.86), rgba(108, 168, 255, 0.9), rgba(140, 125, 255, 0.86));
  box-shadow: 0 16px 34px rgba(108, 168, 255, 0.18);
}

.author-lead-copy {
  margin: 18px 0 0;
  max-width: 74ch;
}

.lead-metrics,
.lead-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.lead-links a,
.community-item a,
.site-footer a {
  color: #dce8ff;
  transition: color 180ms ease;
}

.lead-links a:hover,
.community-item a:hover,
.site-footer a:hover {
  color: white;
}

.author-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.community-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.community-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.image-card {
  height: 100%;
  padding: 22px;
}

.image-card-header {
  margin-bottom: 18px;
}

.image-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.social-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.mini-image-card {
  padding: 16px;
}

.mini-image-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.mini-image-card span {
  display: block;
  margin-top: 12px;
  color: #dce8ff;
}

.site-footer {
  padding: 0 0 44px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.site-footer > div {
  padding: 18px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.site-footer strong {
  display: block;
  margin-bottom: 8px;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .frontier-hero,
  .frontier-bottom,
  .community-layout,
  .overview-grid,
  .knowledge-grid,
  .value-grid,
  .author-grid,
  .frontier-grid,
  .site-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .positioning-band,
  .social-grid,
  .frontier-benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .community-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  :root {
    --container: min(100vw - 28px, 1000px);
  }

  .header-inner {
    min-height: 72px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(7, 12, 27, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.14);
    box-shadow: var(--shadow-soft);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .hero-meta,
  .overview-grid,
  .knowledge-grid,
  .frontier-hero,
  .frontier-grid,
  .frontier-bottom,
  .value-grid,
  .author-grid,
  .community-layout,
  .positioning-band,
  .social-grid,
  .frontier-benefit-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 74px 0;
  }

  .hero {
    padding-top: 48px;
    gap: 28px;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-support {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .github-star-card {
    min-width: 0;
    width: 100%;
    justify-content: flex-start;
  }

  .hero-actions {
    gap: 12px;
  }

  .button {
    width: 100%;
  }

  .hero-visual img {
    height: 220px;
  }

  .author-lead-header {
    align-items: flex-start;
  }

  .frontier-hero,
  .frontier-benefits,
  .frontier-cta {
    padding: 22px;
  }

  .frontier-item {
    grid-template-columns: auto 1fr;
  }

  .frontier-link {
    grid-column: 2;
    justify-self: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}