/* ============================================================
   ASI Research — asi-research.com — CYBER THEME
   Type:   Familjen Grotesk (display) / Source Serif 4 (body) /
           IBM Plex Mono (metadata)
   Color:  light ink #E8ECF5 on deep cyber blue #0A1428
           technical accent: electric ultramarine #5B79FF
           governance accent: neon teal #19C99A
   ============================================================ */

:root {
  --ink: #e8ecf5;
  --ink-soft: #96a0b8;
  --paper: #0a1428;
  --paper-raise: #101c38;
  --hairline: #1e2a46;
  --technical: #5b79ff;
  --technical-bg: #16224a;
  --governance: #19c99a;
  --governance-bg: #0d2f27;
  --essay: #9d7bff;
  --essay-bg: #241b45;
  --code-bg: #101a33;
  --max: 720px;
  --font-display: "Familjen Grotesk", system-ui, sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  background: var(--paper);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  /* no background here: it would paint over the z-index:-1 canvas */
  background: transparent;
}

/* ambient glows: fixed layer BELOW the neural canvas (-2 < -1) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(1100px 700px at 75% -10%, #14234d 0%, rgba(10,20,40,0) 60%),
    radial-gradient(900px 600px at -10% 110%, #0d2438 0%, rgba(10,20,40,0) 55%);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

a { color: inherit; }
a:focus-visible {
  outline: 2px solid var(--technical);
  outline-offset: 2px;
}

::selection { background: rgba(91, 121, 255, 0.35); }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--hairline);
}

.header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.wordmark-dot { color: var(--technical); }

.mark { flex: none; color: var(--ink); }

.site-nav {
  display: flex;
  gap: 1.4rem;
}

.site-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--ink); }
.site-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--technical);
}

/* ---------- Hero ---------- */

.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--hairline);
}

.hero-eyebrow {
  color: var(--ink-soft);
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--technical), var(--governance));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-wrap: balance;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 2rem;
}

.hero-tracks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.track-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  background: rgba(16, 28, 56, 0.55);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.track-card p {
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.track-card-technical:hover {
  border-color: var(--technical);
  box-shadow: 0 0 18px rgba(91, 121, 255, 0.18);
}
.track-card-governance:hover {
  border-color: var(--governance);
  box-shadow: 0 0 18px rgba(25, 201, 154, 0.18);
}

/* ---------- Track + status chips ---------- */

.track {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
}

.track-technical { color: var(--technical); background: var(--technical-bg); }
.track-governance { color: var(--governance); background: var(--governance-bg); }
.track-essay { color: var(--essay); background: var(--essay-bg); }

.status {
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 0.15rem 0.45rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.catalog-id { color: var(--ink); font-weight: 500; }

/* ---------- Index lists ---------- */

.home-section { padding: 2.25rem 0 0.5rem; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.section-head h2,
.library-section h2,
.page-head h1 {
  font-family: var(--font-display);
  letter-spacing: -0.015em;
}

.section-head h2 { font-size: 1.3rem; margin: 0 0 0.5rem; }

.more-link { color: var(--ink-soft); text-decoration: none; }
.more-link:hover { color: var(--ink); }

.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.index-list li { border-bottom: 1px solid var(--hairline); }
.index-list li:last-child { border-bottom: none; }

.index-list a {
  display: block;
  padding: 0.85rem 0;
  text-decoration: none;
}

.index-card.has-thumb {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
}

.index-thumb {
  display: block;
  width: 132px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 5px;
  background: var(--paper-raise);
}

.index-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.index-copy {
  display: block;
  min-width: 0;
}

.index-meta { display: block; color: var(--ink-soft); margin-bottom: 0.25rem; }

.index-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.35;
}

.index-list a:hover .index-title {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--technical);
}

.index-sub {
  display: block;
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-top: 0.25rem;
}

/* ---------- Pages & entries ---------- */

.page-head { padding: 2.5rem 0 1rem; }
.page-head h1 { font-size: 2rem; margin: 0 0 0.4rem; }
.page-lede { color: var(--ink-soft); margin: 0; }

.library-section { padding: 1.5rem 0 0.5rem; }
.library-section h2 {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1rem 0 0.25rem;
}

.entry { padding: 2.5rem 0; }

.entry-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0.6rem 0 0.4rem;
}

.meta-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}

.subtitle, .authors {
  color: var(--ink-soft);
  font-size: 1.1rem;
  margin: 0;
}

.entry-hero {
  margin: 1.75rem 0;
}

.entry-hero img {
  display: block;
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: rgba(16, 28, 56, 0.72);
}

.entry-hero figcaption {
  color: var(--ink-soft);
  margin-top: 0.45rem;
}

.entry-hero figcaption a {
  color: inherit;
  text-decoration-color: var(--technical);
  text-underline-offset: 3px;
}

.abstract {
  border-left: 3px solid var(--technical);
  padding: 0.6rem 1rem 0.6rem 1.1rem;
  margin: 1.75rem 0;
  background: rgba(16, 28, 56, 0.72);
  border-radius: 0 4px 4px 0;
}

.abstract-label {
  display: block;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.abstract p { margin: 0; font-size: 1rem; color: var(--ink-soft); }

.entry-links { display: flex; gap: 1.25rem; margin: 1rem 0; }
.entry-links a { color: var(--technical); text-decoration: none; }
.entry-links a:hover { text-decoration: underline; }

.entry-body {
  padding: 0.75rem 1rem 1rem;
  margin: 0 -1rem;
  background: rgba(10, 20, 40, 0.82);
  border-radius: 6px;
}

.entry-body h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: 2.25rem 0 0.75rem;
}

.entry-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 1.75rem 0 0.5rem;
}

.entry-body a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--technical);
}

.entry-body blockquote {
  margin: 1.5rem 0;
  padding: 0 0 0 1.1rem;
  border-left: 3px solid var(--hairline);
  color: var(--ink-soft);
}

.entry-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.entry-body pre {
  background: var(--code-bg);
  border: 1px solid var(--hairline);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

.entry-body pre code { background: none; padding: 0; }

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

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  margin-top: 3.5rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.5rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-row a { color: inherit; }

/* ---------- Neural background ---------- */

#neural-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ---------- Responsive & a11y ---------- */

@media (max-width: 600px) {
  .hero-tracks { grid-template-columns: 1fr; }
  .desktop-br { display: none; }
  .hero { padding-top: 2.25rem; }
  .index-card.has-thumb {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0.75rem;
  }
  .index-thumb { width: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
/* ---------- ASI research additions ---------- */

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: -0.5rem 0 1.6rem;
}

.hero-metrics span {
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: rgba(16, 28, 56, 0.62);
  color: var(--ink-soft);
  padding: 0.45rem 0.6rem;
}

.hero-metrics strong {
  color: var(--ink);
  font-weight: 500;
}

.featured-paper { padding-top: 2rem; }

.feature-panel {
  display: block;
  text-decoration: none;
  border: 1px solid rgba(91, 121, 255, 0.42);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  background:
    linear-gradient(135deg, rgba(91, 121, 255, 0.18), rgba(25, 201, 154, 0.08)),
    rgba(16, 28, 56, 0.72);
}

.feature-panel strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.25;
  margin-top: 0.7rem;
}

.feature-panel p {
  color: var(--ink-soft);
  margin: 0.55rem 0 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.library-radar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  padding: 1rem 0 0.25rem;
}

.library-radar > div {
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: rgba(16, 28, 56, 0.58);
  padding: 0.9rem;
}

.radar-label {
  display: block;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.library-radar strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.library-radar p {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
  margin: 0.3rem 0 0;
}

@media (max-width: 600px) {
  .library-radar { grid-template-columns: 1fr; }
}