/* ==========================================================================
   Chakra AI — Design system + components
   ========================================================================== */

:root,
[data-theme='dark'] {
  --color-bg: #0a0d14;
  --color-surface: #10141e;
  --color-surface-2: #151a26;
  --color-surface-3: #1b2130;
  --color-border: rgba(214, 222, 240, 0.09);
  --color-border-strong: rgba(214, 222, 240, 0.18);
  --color-text: #e7eaf1;
  --color-text-muted: #9098ab;
  --color-text-faint: #646c80;
  --color-primary: #f2a93b;
  --color-primary-hover: #ffbd5c;
  --color-primary-ink: #1b1204;
  --color-primary-soft: rgba(242, 169, 59, 0.12);
  --color-up: #3ecf8e;
  --color-down: #f0616d;
  --color-grid: rgba(214, 222, 240, 0.045);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --glass: rgba(10, 13, 20, 0.72);
}

[data-theme='light'] {
  --color-bg: #f5f3ee;
  --color-surface: #ffffff;
  --color-surface-2: #faf8f4;
  --color-surface-3: #efece5;
  --color-border: rgba(20, 24, 34, 0.1);
  --color-border-strong: rgba(20, 24, 34, 0.2);
  --color-text: #12161f;
  --color-text-muted: #545b6b;
  --color-text-faint: #80879a;
  --color-primary: #a86200;
  --color-primary-hover: #8a5000;
  --color-primary-ink: #ffffff;
  --color-primary-soft: rgba(168, 98, 0, 0.1);
  --color-up: #16865a;
  --color-down: #c43745;
  --color-grid: rgba(20, 24, 34, 0.05);
  --shadow-md: 0 10px 30px rgba(60, 50, 30, 0.1);
  --glass: rgba(245, 243, 238, 0.8);
}

:root {
  --font-display: 'Cabinet Grotesk', 'Satoshi', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.12vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.5rem + 2.4vw, 3.5rem);
  --text-hero: clamp(2.75rem, 1.6rem + 5vw, 5.75rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 999px;

  --container: 1240px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms var(--ease-out);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}
img,
svg,
canvas,
video {
  display: block;
  max-width: 100%;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  font-weight: 700;
}
p,
li {
  text-wrap: pretty;
}
table {
  border-collapse: collapse;
  width: 100%;
}
ul[role='list'] {
  list-style: none;
}
::selection {
  background: var(--color-primary-soft);
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
a,
button,
input,
select,
textarea {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-sm);
  font-weight: 700;
}
.skip-link:focus {
  top: 1rem;
}
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.up {
  color: var(--color-up);
}
.down {
  color: var(--color-down);
}

/* ---------- Layout ---------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}
.section--tight {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.section--alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.grid-bg {
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 56px 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: currentColor;
}
.section-head {
  max-width: 760px;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head h2 {
  font-size: var(--text-2xl);
}
.section-head p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 60ch;
  line-height: 1.5;
}
.section-head--split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  max-width: none;
  align-items: end;
}
.section-head--split p {
  margin-top: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg {
  width: 16px;
  height: 16px;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn--ghost {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-2);
}
.btn--sm {
  min-height: 40px;
  padding: 0.5rem 1rem;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
}
.link-arrow svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.link-arrow:hover {
  gap: 0.7rem;
}

/* ---------- Header ---------- */
.ticker {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  height: 34px;
  display: flex;
  align-items: center;
}
.ticker__track {
  display: flex;
  gap: 2.5rem;
  white-space: nowrap;
  animation: ticker 60s linear infinite;
  padding-left: 2.5rem;
}
.ticker__item {
  display: inline-flex;
  gap: 0.6rem;
  color: var(--color-text-muted);
}
.ticker__item b {
  color: var(--color-text);
  font-weight: 500;
}
@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 70px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.brand {
  white-space: nowrap;
  flex-shrink: 0;
}
.brand svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.brand span small {
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav__links {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  margin-right: auto;
}
.nav__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav__links a:hover,
.nav__links a[aria-current='page'] {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.nav__links svg {
  width: 13px;
  height: 13px;
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}
.nav__toggle {
  display: none;
}
.mobile-menu {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: var(--space-12);
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.85rem 0.35rem 0.5rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface);
}
.pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-up);
  box-shadow: 0 0 0 4px rgba(62, 207, 142, 0.15);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  50% {
    box-shadow: 0 0 0 7px rgba(62, 207, 142, 0.05);
  }
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-top: var(--space-6);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero__lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 34ch;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.hero__meta {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.hero__meta b {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 500;
}
.core-wrap {
  position: relative;
  aspect-ratio: 1 / 0.92;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
}
.core-wrap canvas {
  width: 100%;
  height: 100%;
}
.core-hud {
  position: absolute;
  inset: auto 14px 14px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  pointer-events: none;
}
.hud-card {
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  background: var(--glass);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.hud-card b {
  color: var(--color-text);
  font-weight: 500;
}
.hud-stage {
  position: absolute;
  top: 14px;
  left: 14px;
}
.hud-stage b {
  color: var(--color-primary);
}

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-block: 1px solid var(--color-border);
}
.stat {
  padding: var(--space-6) var(--space-5);
  border-right: 1px solid var(--color-border);
}
.stat:last-child {
  border-right: none;
}
.stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Compare (old vs new) ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.compare__col {
  padding: clamp(var(--space-6), 4vw, var(--space-12));
}
.compare__col--new {
  background: var(--color-surface-2);
  border-left: 1px solid var(--color-border);
}
.compare__col h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.compare__col h3 svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.compare__col--old h3 {
  color: var(--color-text-faint);
}
.compare ul {
  list-style: none;
  display: grid;
  gap: var(--space-4);
}
.compare li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.75rem;
  align-items: start;
}
.compare li svg {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}
.compare__col--old li {
  color: var(--color-text-muted);
}
.compare__col--old li svg {
  color: var(--color-text-faint);
}
.compare__col--new li svg {
  color: var(--color-primary);
}

/* ---------- Pipeline graphic ---------- */
.pipeline {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  padding: clamp(var(--space-5), 3vw, var(--space-10));
  overflow: hidden;
}
.pipeline__svg {
  width: 100%;
  height: auto;
  overflow: visible;
}
.pipeline__svg .edge {
  stroke: var(--color-border-strong);
  stroke-width: 1.5;
  fill: none;
}
.pipeline__svg .edge-flow {
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 4 10;
  animation: dash 1.4s linear infinite;
  opacity: 0.8;
}
.pipeline__svg .edge-loop {
  stroke: var(--color-text-faint);
  stroke-dasharray: 3 6;
  fill: none;
  stroke-width: 1.2;
}
@keyframes dash {
  to {
    stroke-dashoffset: -28;
  }
}
.pnode {
  cursor: pointer;
}
.pnode rect {
  fill: var(--color-surface-2);
  stroke: var(--color-border-strong);
  stroke-width: 1;
  transition:
    stroke 0.3s,
    fill 0.3s;
}
.pnode text {
  fill: var(--color-text);
  font-family: var(--font-body);
}
.pnode .pnode__num {
  font-family: var(--font-mono);
  fill: var(--color-text-faint);
  font-size: 11px;
}
.pnode .pnode__title {
  font-weight: 700;
  font-size: 15px;
}
.pnode .pnode__sub {
  font-size: 11.5px;
  fill: var(--color-text-muted);
}
.pnode circle.pnode__led {
  fill: var(--color-text-faint);
  transition: fill 0.3s;
}
.pnode.is-active rect,
.pnode:hover rect,
.pnode:focus-visible rect {
  stroke: var(--color-primary);
  fill: var(--color-primary-soft);
}
.pnode.is-active circle.pnode__led {
  fill: var(--color-primary);
}
.pnode.is-active .pnode__num {
  fill: var(--color-primary);
}
.pnode:focus {
  outline: none;
}
.packet {
  fill: var(--color-primary);
}
.pipeline__detail {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  min-height: 170px;
}
.pipeline__detail h3 {
  font-size: var(--text-xl);
}
.pipeline__detail .num {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}
.pipeline__detail p {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.pipeline__detail ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-6);
  align-content: start;
}
.pipeline__detail li {
  font-size: var(--text-sm);
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.pipeline__detail li b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text);
}
.pipeline__detail li span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.fade-swap {
  animation: fadeSwap 0.45s var(--ease-out);
}
@keyframes fadeSwap {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}
.pipeline-mobile {
  display: none;
}

/* ---------- Bento products ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}
.tile {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow: hidden;
  min-height: 280px;
}
a.tile:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}
.tile--a {
  grid-column: span 4;
}
.tile--b {
  grid-column: span 2;
}
.tile--c {
  grid-column: span 2;
}
.tile--d {
  grid-column: span 2;
}
.tile--e {
  grid-column: span 2;
}
.tile--f {
  grid-column: span 6;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 0;
}
.tile__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tile h3 {
  font-size: var(--text-lg);
  font-weight: 700;
}
.tile--a h3 {
  font-size: var(--text-xl);
}
.tile p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 48ch;
}
.tile__viz {
  margin-top: auto;
}
.tile ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.chip {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  font-family: var(--font-mono);
}
.chip--accent {
  color: var(--color-primary);
  border-color: rgba(242, 169, 59, 0.35);
  background: var(--color-primary-soft);
}

/* mini viz */
.spark {
  width: 100%;
  height: 90px;
}
.spark path.line {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.8;
}
.spark path.area {
  fill: var(--color-primary-soft);
}
.spark path.band {
  fill: var(--color-primary-soft);
  opacity: 0.8;
}
.spark .base {
  stroke: var(--color-border-strong);
  stroke-dasharray: 2 4;
}
.bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80px;
}
.bars i {
  flex: 1;
  background: var(--color-surface-3);
  border-radius: 2px 2px 0 0;
  min-height: 4px;
}
.bars i.flag {
  background: var(--color-down);
  animation: flagPulse 1.8s ease-in-out infinite;
}
@keyframes flagPulse {
  50% {
    opacity: 0.55;
  }
}
.chat-mini {
  display: grid;
  gap: 0.5rem;
  font-size: var(--text-xs);
}
.chat-mini div {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.chat-mini div.q {
  justify-self: end;
  background: var(--color-primary-soft);
  color: var(--color-text);
  border-color: transparent;
}
.gpu-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
}
.gpu-grid i {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--color-surface-3);
  transition: background 0.4s;
}
.gpu-grid i.on {
  background: var(--color-primary);
  opacity: 0.85;
}

/* ---------- Telemetry ---------- */
.telemetry {
  display: grid;
  grid-template-columns: 1fr 300px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  overflow: hidden;
}
.telemetry__main {
  padding: var(--space-6);
  min-width: 0;
}
.telemetry__bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}
.telemetry__price {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.telemetry__price b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-xl);
}
.telemetry__price span {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.seg {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
}
.seg button {
  padding: 0.35rem 0.8rem;
  min-height: 34px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}
.seg button[aria-pressed='true'] {
  background: var(--color-surface-3);
  color: var(--color-text);
}
.seg button:hover {
  color: var(--color-text);
}
.telemetry canvas {
  width: 100%;
  height: 340px;
}
.telemetry__legend {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.telemetry__legend i {
  display: inline-block;
  width: 14px;
  height: 3px;
  vertical-align: middle;
  margin-right: 0.4rem;
  border-radius: 2px;
}
.telemetry__side {
  border-left: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.metric-row span {
  color: var(--color-text-muted);
}
.metric-row b {
  font-family: var(--font-mono);
  font-weight: 500;
}
.gauge {
  height: 6px;
  border-radius: 99px;
  background: var(--color-surface-3);
  overflow: hidden;
  margin-top: 0.3rem;
}
.gauge i {
  display: block;
  height: 100%;
  background: var(--color-primary);
  border-radius: 99px;
  transition: width 0.6s var(--ease-out);
}
.disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: auto;
  padding-top: var(--space-5);
}

/* ---------- Agents graphic ---------- */
.agents {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-6);
  align-items: stretch;
}
.agents__graph {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  padding: var(--space-6);
}
.agents__graph svg {
  width: 100%;
  height: auto;
}
.anode rect {
  fill: var(--color-surface-2);
  stroke: var(--color-border-strong);
  transition:
    stroke 0.3s,
    fill 0.3s;
}
.anode text {
  fill: var(--color-text);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-body);
}
.anode text.sub {
  fill: var(--color-text-muted);
  font-size: 10.5px;
  font-weight: 400;
  font-family: var(--font-mono);
}
.anode.is-live rect {
  stroke: var(--color-primary);
  fill: var(--color-primary-soft);
}
.aedge {
  stroke: var(--color-border-strong);
  fill: none;
  stroke-width: 1.3;
}
.apacket {
  fill: var(--color-primary);
}
.agents__note {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 420px;
}
.note-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.note-q {
  font-size: var(--text-sm);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
}
.note-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: pre-wrap;
  font-family: var(--font-mono);
  line-height: 1.7;
  flex: 1;
}
.note-body .caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--color-primary);
  vertical-align: text-bottom;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.note-flags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* ---------- Tabs (solutions) ---------- */
.tabs__list {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.tabs__list button {
  padding: 0.6rem 1.1rem;
  min-height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.tabs__list button[aria-selected='true'] {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
.tabs__list button:hover:not([aria-selected='true']) {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.tabpanel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  background: var(--color-surface);
}
.tabpanel[hidden] {
  display: none;
}
.tabpanel h3 {
  font-size: var(--text-xl);
}
.tabpanel > div > p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}
.checklist {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.checklist li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 0.7rem;
  font-size: var(--text-sm);
}
.checklist svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  margin-top: 2px;
}
.outcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  align-content: start;
}
.outcome {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}
.outcome b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-lg);
}
.outcome span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- CryptoChakra showcase ---------- */
.cc {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
}
.cc__intro {
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  border-right: 1px solid var(--color-border);
}
.cc__intro h2 {
  font-size: var(--text-2xl);
}
.cc__intro p {
  color: var(--color-text-muted);
}
.cc__tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.cc__tools a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--color-surface-2);
}
.cc__tools a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.cc__tools svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.cc__table {
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  min-width: 0;
}
.table-wrap {
  overflow-x: auto;
}
.ftable {
  font-size: var(--text-sm);
}
.ftable th {
  text-align: left;
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 0.6rem 0.8rem;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.ftable td {
  padding: 0.9rem 0.6rem;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.ftable td.num,
.ftable th.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.coin {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.coin i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 10px;
  font-weight: 700;
  background: var(--color-surface-3);
  font-family: var(--font-mono);
}
.coin small {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  margin-left: 0.3rem;
}
.ftable svg {
  width: 80px;
  height: 26px;
  margin-left: auto;
}

/* chakras journey */
.chakras {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-10);
  position: relative;
}
.chakra-step {
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  position: relative;
}
.chakra-step .ring {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border-strong);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  transition:
    border-color 0.4s,
    background 0.4s;
}
.chakra-step .ring::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-strong);
  transition: background 0.4s;
}
.chakra-step.lit .ring {
  border-color: var(--color-primary);
}
.chakra-step.lit .ring::after {
  background: var(--color-primary);
}
.chakra-step b {
  display: block;
  font-size: var(--text-sm);
}
.chakra-step span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  display: block;
  margin-top: 0.25rem;
}
.chakra-step small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
}

/* ---------- Architecture stack ---------- */
.stack {
  display: grid;
  gap: var(--space-2);
}
.layer {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.layer__name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}
.layer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.layer__desc b {
  color: var(--color-text);
  font-weight: 700;
}
.layer ul {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.layer:nth-child(odd) {
  background: var(--color-surface-2);
}

/* ---------- Roadmap ---------- */
.roadmap {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-10);
}
.roadmap::before {
  content: '';
  position: absolute;
  top: 13px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border-strong);
}
.roadmap__progress {
  position: absolute;
  top: 13px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-primary);
  transition: width 1.6s var(--ease-out);
}
.roadmap.in .roadmap__progress {
  width: 55%;
}
.milestone {
  position: relative;
}
.milestone::before {
  content: '';
  position: absolute;
  top: calc(-1 * var(--space-10) + 7px);
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border-strong);
}
.milestone.done::before {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.milestone.now::before {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 5px var(--color-primary-soft);
}
.milestone small {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.milestone h3 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  letter-spacing: 0;
  margin-top: 0.4rem;
  line-height: 1.3;
}
.milestone p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}
.status {
  display: inline-block;
  margin-top: 0.7rem;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.status--done {
  color: var(--color-up);
  border-color: rgba(62, 207, 142, 0.3);
}
.status--now {
  color: var(--color-primary);
  border-color: rgba(242, 169, 59, 0.35);
}

/* ---------- Research cards ---------- */
.research {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
}
.rcard {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
a.rcard:hover {
  border-color: var(--color-border-strong);
}
.rcard__meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
.rcard h3 {
  font-size: var(--text-lg);
  line-height: 1.25;
}
.rcard:first-child h3 {
  font-size: var(--text-xl);
}
.rcard p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.rcard .spark {
  margin-top: auto;
}

/* ---------- CTA ---------- */
.cta-band {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: clamp(var(--space-10), 7vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-16));
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-10);
  align-items: end;
}
.cta-band h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
}
.cta-band p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-size: var(--text-lg);
}
.cta-band__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.cta-rings {
  position: absolute;
  right: -120px;
  top: -160px;
  width: 460px;
  height: 460px;
  color: var(--color-primary);
  opacity: 0.16;
  pointer-events: none;
}
.cta-rings circle {
  animation: spin 40s linear infinite;
  transform-origin: center;
}
.cta-rings circle:nth-child(even) {
  animation-direction: reverse;
  animation-duration: 55s;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-16);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-8);
}
.footer__brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 32ch;
}
.newsletter {
  display: flex;
  gap: 0.4rem;
  margin-top: var(--space-5);
  max-width: 340px;
}
.newsletter input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.newsletter input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.footer__col h2 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer__col ul {
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__col a:hover {
  color: var(--color-text);
}
.risk-note {
  margin-top: var(--space-12);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  background: var(--color-surface);
}
.risk-note b {
  color: var(--color-text);
}
.footer__bottom {
  margin-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.socials {
  display: flex;
  gap: var(--space-4);
}
.socials a:hover {
  color: var(--color-text);
}

/* ---------- Inner page hero ---------- */
.page-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-border);
}
.page-hero h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  max-width: 20ch;
}
.page-hero p {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.5;
}
.page-hero .hero__ctas {
  margin-top: var(--space-8);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}
.breadcrumb a:hover {
  color: var(--color-text);
}

/* sticky stages (platform) */
.stages {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-16);
  align-items: start;
}
.stages__nav {
  position: sticky;
  top: 110px;
  list-style: none;
  display: grid;
  gap: 0.25rem;
}
.stages__nav a {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}
.stages__nav a span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.stages__nav a.is-active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px var(--color-border);
}
.stages__nav a.is-active span {
  color: var(--color-primary);
}
.stage {
  padding-bottom: var(--space-20);
  margin-bottom: var(--space-20);
  border-bottom: 1px solid var(--color-border);
}
.stage:last-child {
  border-bottom: none;
  margin-bottom: 0;
}
.stage h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-2);
}
.stage > p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 62ch;
}
.stage__viz {
  margin-top: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-6);
}
.stage__feats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
  list-style: none;
}
.stage__feats li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: 1.1rem;
  position: relative;
}
.stage__feats li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--color-primary);
}
.stage__feats li b {
  color: var(--color-text);
}

/* flow svg (data streaming) */
.flow-svg {
  width: 100%;
  height: auto;
}
.flow-svg .lane {
  stroke: var(--color-border-strong);
  fill: none;
  stroke-width: 1.2;
}
.flow-svg .lane-flow {
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.5;
  stroke-dasharray: 3 12;
  animation: dash 1.2s linear infinite;
}
.flow-svg rect.box {
  fill: var(--color-surface-2);
  stroke: var(--color-border-strong);
}
.flow-svg rect.box--hot {
  fill: var(--color-primary-soft);
  stroke: var(--color-primary);
}
.flow-svg text {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
}
.flow-svg text.sub {
  fill: var(--color-text-muted);
  font-size: 10.5px;
  font-weight: 400;
  font-family: var(--font-mono);
}

/* walk-forward */
.wf {
  display: grid;
  gap: 8px;
}
.wf__row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
}
.wf__track {
  position: relative;
  height: 18px;
  border-radius: 4px;
  background: var(--color-surface-3);
  overflow: hidden;
}
.wf__train,
.wf__test {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 3px;
  transition: left 0.8s var(--ease-out);
}
.wf__train {
  background: var(--color-border-strong);
}
.wf__test {
  background: var(--color-primary);
}
.wf__legend {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.wf__legend i {
  display: inline-block;
  width: 12px;
  height: 8px;
  border-radius: 2px;
  margin-right: 0.4rem;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.kpi {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.kpi span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.kpi b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-lg);
}

.code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  overflow-x: auto;
  color: var(--color-text-muted);
}
.code .k {
  color: var(--color-primary);
}
.code .s {
  color: var(--color-up);
}
.code .c {
  color: var(--color-text-faint);
}
.code-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

/* comparison table */
.ctable {
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ctable th,
.ctable td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}
.ctable thead th {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-surface);
}
.ctable tbody th {
  font-weight: 500;
}
.ctable td {
  color: var(--color-text-muted);
}
.ctable td.hl {
  color: var(--color-text);
  background: var(--color-primary-soft);
}
.ctable tr:last-child td,
.ctable tr:last-child th {
  border-bottom: none;
}

/* pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.plan {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.plan--feat {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
}
.plan__name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
}
.plan__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
}
.plan__price small {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}
.plan p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.plan .checklist {
  margin-top: 0;
  flex: 1;
}
.plan .btn {
  width: 100%;
}
.billing {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* FAQ */
.faq {
  display: grid;
  gap: var(--space-2);
  max-width: 860px;
}
.faq details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.faq summary {
  cursor: pointer;
  padding: 1.1rem 1.3rem;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--color-primary);
}
.faq details[open] summary::after {
  content: '–';
}
.faq details p {
  padding: 0 1.3rem 1.2rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* signal table */
.filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.filters button {
  padding: 0.45rem 0.95rem;
  min-height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}
.filters button[aria-pressed='true'] {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge--live {
  color: var(--color-up);
}
.badge--research {
  color: var(--color-primary);
}

/* forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.field {
  display: grid;
  gap: 0.4rem;
}
.field--full {
  grid-column: 1 / -1;
}
.field label {
  font-size: var(--text-sm);
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  min-height: 48px;
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
}
.field textarea {
  min-height: 130px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.field .err {
  font-size: var(--text-xs);
  color: var(--color-down);
  min-height: 1em;
}
.form-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}
.form-success {
  display: none;
  padding: var(--space-8);
  text-align: left;
}
.form-success.show {
  display: block;
  animation: fadeSwap 0.5s var(--ease-out);
}
.form-success svg {
  width: 40px;
  height: 40px;
  color: var(--color-up);
  margin-bottom: var(--space-4);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}
.contact-list {
  list-style: none;
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.contact-list li b {
  display: block;
  font-size: var(--text-sm);
}
.contact-list li span,
.contact-list li a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-list li a:hover {
  color: var(--color-primary);
}

/* prose */
.prose {
  max-width: 72ch;
}
.prose h2 {
  font-size: var(--text-xl);
  margin: var(--space-12) 0 var(--space-4);
}
.prose h3 {
  font-size: var(--text-lg);
  margin: var(--space-8) 0 var(--space-3);
  font-family: var(--font-body);
  letter-spacing: 0;
}
.prose p,
.prose li {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.prose ul {
  padding-left: 1.2rem;
}
.prose strong {
  color: var(--color-text);
}
.two-col {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-16);
  align-items: start;
}
.toc {
  position: sticky;
  top: 110px;
  list-style: none;
  display: grid;
  gap: 0.3rem;
  font-size: var(--text-sm);
}
.toc a {
  color: var(--color-text-muted);
  display: block;
  padding: 0.35rem 0;
}
.toc a:hover {
  color: var(--color-primary);
}

/* team / values */
.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.person {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
}
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.person h3 {
  font-size: var(--text-lg);
}
.person p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}
.person small {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}
.values {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--color-border);
}
.value {
  padding: var(--space-8) var(--space-6) var(--space-8) 0;
}
.value + .value {
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-border);
}
.value small {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}
.value h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-3);
}
.value p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.quote em {
  font-style: normal;
  color: var(--color-primary);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal-d1 {
  transition-delay: 0.08s;
}
.reveal-d2 {
  transition-delay: 0.16s;
}
.reveal-d3 {
  transition-delay: 0.24s;
}
.no-js .reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav__links,
  .nav__actions .btn--ghost {
    display: none;
  }
  .nav__toggle {
    display: inline-grid;
  }
  .nav__actions {
    margin-left: auto;
  }
  .mobile-menu {
    position: fixed;
    inset: 104px 0 0 0;
    background: var(--color-bg);
    z-index: 99;
    padding: var(--space-6) 1.25rem;
    overflow-y: auto;
  }
  .mobile-menu.open {
    display: block;
  }
  .mobile-menu ul {
    list-style: none;
    display: grid;
    gap: 0.25rem;
  }
  .mobile-menu a {
    display: block;
    padding: 0.9rem 0;
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    border-bottom: 1px solid var(--color-border);
  }
  .mobile-menu .btn {
    margin-top: var(--space-6);
    width: 100%;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    border-bottom: none;
    display: flex;
  }
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__lede {
    max-width: 50ch;
  }
  .stat-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .stat:nth-child(3) {
    border-right: none;
  }
  .stat:nth-child(n + 4) {
    border-top: 1px solid var(--color-border);
  }
  .telemetry {
    grid-template-columns: 1fr;
  }
  .telemetry__side {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
  .agents,
  .cc,
  .tabpanel,
  .cta-band,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .cc__intro {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .cta-band__actions {
    justify-content: flex-start;
  }
  .chakras {
    grid-template-columns: repeat(4, 1fr);
  }
  .pricing {
    grid-template-columns: 1fr 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
  .stages,
  .two-col {
    grid-template-columns: 1fr;
  }
  .stages__nav,
  .toc {
    display: none;
  }
  .section-head--split {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .research {
    grid-template-columns: 1fr 1fr;
  }
  .research .rcard:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .core-wrap {
    aspect-ratio: 1 / 1.05;
  }
  .nav {
    gap: var(--space-3);
  }
  .nav__actions .btn--primary {
    padding-inline: 0.9rem;
  }
  .pipeline__svg {
    display: none;
  }
  .pipeline-mobile {
    display: grid;
    gap: 0.5rem;
    list-style: none;
  }
  .pipeline-mobile button {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface-2);
    text-align: left;
    font-weight: 700;
    font-size: var(--text-sm);
  }
  .pipeline-mobile button span {
    font-family: var(--font-mono);
    color: var(--color-text-faint);
    font-weight: 400;
    font-size: var(--text-xs);
  }
  .pipeline-mobile button.is-active {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
  }
  .pipeline-mobile button.is-active span {
    color: var(--color-primary);
  }
  .pipeline__detail {
    grid-template-columns: 1fr;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
  }
  .pipeline__detail ul {
    grid-template-columns: 1fr;
  }
  .compare {
    grid-template-columns: 1fr;
  }
  .compare__col--new {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
  .bento {
    grid-template-columns: 1fr;
  }
  .tile--a,
  .tile--b,
  .tile--c,
  .tile--d,
  .tile--e,
  .tile--f {
    grid-column: auto;
  }
  .tile--f {
    flex-direction: column;
    align-items: flex-start;
  }
  .stat-strip {
    grid-template-columns: 1fr 1fr;
  }
  .stat {
    border-right: 1px solid var(--color-border) !important;
    border-top: 1px solid var(--color-border);
  }
  .stat:nth-child(even) {
    border-right: none !important;
  }
  .stat:nth-child(-n + 2) {
    border-top: none;
  }
  .stat:last-child {
    grid-column: 1 / -1;
    border-right: none !important;
  }
  .cc__tools,
  .stage__feats,
  .form-grid,
  .team,
  .values,
  .pricing,
  .research {
    grid-template-columns: 1fr;
  }
  .value + .value {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
  .chakras {
    grid-template-columns: 1fr 1fr;
  }
  .roadmap {
    grid-template-columns: 1fr;
    padding-top: 0;
    padding-left: var(--space-8);
    gap: var(--space-8);
  }
  .roadmap::before {
    top: 0;
    bottom: 0;
    left: 6px;
    right: auto;
    width: 2px;
    height: auto;
  }
  .roadmap__progress {
    display: none;
  }
  .milestone::before {
    top: 4px;
    left: calc(-1 * var(--space-8));
  }
  .layer {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .layer ul {
    justify-content: flex-start;
  }
  .kpis {
    grid-template-columns: 1fr 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .telemetry canvas {
    height: 260px;
  }
  .core-hud .hud-card:last-child {
    display: none;
  }
  .ftable .hide-sm {
    display: none;
  }
}

@media (max-width: 400px) {
  .nav__actions .btn--primary {
    display: none;
  }
}