/* ============================================================
   Frontier AI Weekly — Edition 9 — Rails & Reach
   Deployment companies, SMB rails, and device-native intelligence.
   ============================================================ */

:root {
  --bg-primary: #0a1022;
  --bg-secondary: #0f1730;
  --bg-surface: rgba(15, 23, 48, 0.78);
  --bg-elevated: rgba(22, 32, 58, 0.94);
  --text-primary: #eef2ff;
  --text-secondary: #b8c0d9;
  --text-muted: #6b7694;
  --accent-violet: #8b5cf6;
  --accent-violet-dim: rgba(139, 92, 246, 0.14);
  --accent-blue: #38bdf8;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-slate: #94a3b8;
  --glass: rgba(255, 255, 255, 0.035);
  --glass-border: rgba(255, 255, 255, 0.09);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  --font-display: 'Syne', var(--font-sans);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ticker-h: 3.25rem;
  --page-pad: clamp(1rem, 4vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.58;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: calc(var(--ticker-h) + env(safe-area-inset-top, 0px));
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  -webkit-tap-highlight-color: transparent;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  opacity: 0.042;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

.ticker-strip {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  height: var(--ticker-h);
  min-height: 44px;
  display: flex;
  align-items: center;
  background: rgba(6, 10, 24, 0.88);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  padding-top: env(safe-area-inset-top, 0px);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ix-ticker 52s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track {
    animation: none;
  }
}

@keyframes ix-ticker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.ticker-label {
  color: var(--accent-blue);
  font-weight: 600;
  margin-right: 0.25rem;
}

.ticker-divider {
  color: var(--text-muted);
  margin: 0 0.35rem;
  user-select: none;
}

.ticker-item {
  display: inline-flex;
  align-items: baseline;
}

.ix-shell {
  position: relative;
  z-index: 1;
}

.source {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 92, 246, 0.28);
  display: inline-block;
  margin-top: 0.75rem;
  margin-right: 1rem;
  min-height: 44px;
  line-height: 44px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.source:hover {
  color: var(--accent-violet);
  border-color: var(--accent-violet);
}

.ix-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 0.85rem;
}

.ix-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.ix-lead {
  font-size: clamp(0.95rem, 1.32vw, 1.08rem);
  color: var(--text-secondary);
  max-width: 64ch;
}

.ix-lead strong {
  color: var(--text-primary);
  font-weight: 600;
}

.inline {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* —— Hero: asymmetric rail + manifesto —— */
.ix-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  padding: var(--page-pad);
  padding-bottom: 4rem;
  isolation: isolate;
  overflow: hidden;
}

.ix-hero__slant {
  position: absolute;
  inset: -20% -10% auto -30%;
  height: 62%;
  background: linear-gradient(115deg, rgba(56, 189, 248, 0.12), transparent 55%);
  transform: skewY(-6deg);
  z-index: -1;
}

.ix-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 90% 55% at 80% 10%, rgba(139, 92, 246, 0.14), transparent 50%),
    linear-gradient(180deg, #0c1428 0%, var(--bg-primary) 100%);
}

.ix-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-content: center;
  padding-top: clamp(1rem, 3vh, 2.5rem);
}

@media (min-width: 900px) {
  .ix-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
  }
}

.ix-hero__rail {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ix-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 3.75rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  margin: 0.5rem 0 1.25rem;
}

.ix-hero__title em {
  font-style: normal;
  color: var(--accent-blue);
}

.ix-hero__panel {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border-left: 4px solid var(--accent-violet);
}

.ix-hero__stat {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 1rem;
}

.ix-hero__stat:first-child {
  margin-top: 0;
}

.ix-hero__stat strong {
  display: block;
  font-size: 1.28rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

/* —— Sections —— */
.ix-section {
  padding: clamp(3rem, 8vw, 5.5rem) var(--page-pad);
  position: relative;
}

.ix-section__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ix-section--void {
  background: linear-gradient(180deg, var(--bg-primary), #0c1326);
}

.ix-section--ridge {
  background: var(--bg-secondary);
  border-block: 1px solid rgba(255, 255, 255, 0.04);
}

.ix-section--signal {
  background: linear-gradient(125deg, #0f1a32 0%, #0a1022 55%, #12182e 100%);
}

.ix-glass {
  margin-top: 1.5rem;
  padding: clamp(1.2rem, 3vw, 1.85rem);
  border-radius: 16px;
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
}

/* Deploy matrix */
.ix-matrix {
  margin-top: 1.75rem;
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

@media (min-width: 720px) {
  .ix-matrix {
    grid-template-columns: 1fr 1fr;
  }
}

.ix-matrix__cell {
  background: rgba(10, 16, 34, 0.92);
  padding: 1.15rem 1.25rem;
}

.ix-matrix__cell h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.45rem;
}

.ix-matrix__cell p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* SMB connector strip */
.ix-strip {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ix-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.06);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* Gates / health ledger */
.ix-ledger {
  margin-top: 1.75rem;
  border-left: 3px solid var(--accent-amber);
  padding-left: 1.25rem;
}

.ix-ledger__row {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ix-ledger__row:last-child {
  margin-bottom: 0;
}

.ix-ledger__tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-amber);
  display: block;
  margin-bottom: 0.25rem;
}

/* PwC asymmetric cards */
.ix-asym {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
}

@media (min-width: 780px) {
  .ix-asym {
    grid-template-columns: 1.35fr 0.65fr;
  }
}

.ix-asym__main {
  padding: 1.35rem;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.1), transparent);
  border: 1px solid var(--accent-violet-dim);
}

.ix-asym__side {
  display: grid;
  gap: 0.75rem;
}

.ix-asym__mini {
  padding: 1rem;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.ix-asym__mini strong {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-green);
  display: block;
  margin-bottom: 0.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Gemini timeline */
.ix-timeline {
  margin-top: 1.75rem;
  display: grid;
  gap: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.ix-timeline__row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--glass-border);
}

.ix-timeline__row:last-child {
  border-bottom: none;
}

.ix-timeline__mark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-blue);
  min-width: 5.5rem;
}

.ix-timeline__row p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Googlebook spotlight */
.ix-spot {
  margin-top: 1.75rem;
  padding: 1.5rem;
  border-radius: 16px;
  background: radial-gradient(120% 80% at 10% 0%, rgba(56, 189, 248, 0.12), transparent 55%), var(--bg-elevated);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.ix-spot__grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .ix-spot__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.ix-spot__grid div {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.ix-spot__grid strong {
  color: var(--text-primary);
}

/* Cyber access table */
.ix-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 1.5rem;
}

.ix-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

.ix-table th,
.ix-table td {
  border: 1px solid var(--glass-border);
  padding: 0.75rem 0.85rem;
  text-align: left;
  vertical-align: top;
}

.ix-table th {
  background: rgba(251, 191, 36, 0.08);
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.62rem;
}

.ix-table td {
  color: var(--text-secondary);
}

/* Incident response rail */
.ix-rail {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--text-secondary);
  display: grid;
  gap: 0.65rem;
}

.ix-rail__item {
  padding: 0.9rem 1rem;
  background: #070b18;
  border-radius: 8px;
  border-left: 3px solid var(--accent-amber);
}

.ix-rail__item span {
  color: var(--accent-blue);
  margin-right: 0.45rem;
}

/* Codex architecture diagram (CSS) */
.ix-flow {
  margin-top: 1.75rem;
  display: grid;
  gap: 0.65rem;
}

@media (min-width: 640px) {
  .ix-flow {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ix-flow__node {
  padding: 1rem;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-slate);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ix-flow__node--hi {
  border-color: rgba(52, 211, 153, 0.45);
  color: var(--accent-green);
}

/* Campus ribbon */
.ix-ribbon {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* DeepMind note */
.ix-note {
  margin-top: 1.25rem;
  padding: 1.1rem 1.2rem;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.07);
  border: 1px solid rgba(139, 92, 246, 0.22);
  font-size: 0.86rem;
  color: var(--text-secondary);
}

/* Contrarian */
.ix-contra {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .ix-contra {
    grid-template-columns: 1fr 1fr;
  }
}

.ix-contra__box {
  padding: 1.25rem;
  border-radius: 12px;
}

.ix-contra__box--left {
  background: rgba(56, 189, 248, 0.07);
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.ix-contra__box--right {
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.22);
}

.ix-contra__box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ix-contra__box strong {
  color: var(--text-primary);
}

/* Week ahead */
.ix-ahead {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .ix-ahead {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .ix-ahead {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ix-ahead__card {
  padding: 1.2rem 1.25rem;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
}

.ix-ahead__when {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 0.45rem;
}

.ix-ahead__card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.ix-ahead__card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.ix-reveal {
  opacity: 0;
  transform: translateY(22px);
}

.ix-reveal.is-visible {
  opacity: 1;
  transform: none;
}

.site-footer {
  padding: 3rem var(--page-pad) calc(3rem + env(safe-area-inset-bottom));
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #070b16;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.site-footer__pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-violet);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.75);
  animation: ix-pulse 2.4s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .site-footer__pulse {
    animation: none;
  }
}

@keyframes ix-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(1.15);
  }
}

.site-footer__regen {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 auto 0.5rem;
  line-height: 1.55;
}

.site-footer__session {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-violet);
  margin-top: 1rem;
}

.site-footer__timestamp {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

@media (max-width: 380px) {
  .ix-hero__title {
    font-size: 1.85rem;
  }
}