:root {
  color-scheme: dark;

  /* Material 3-inspired dark roles */
  --md-sys-color-background: #0b0d12;
  --md-sys-color-on-background: #e8e7ed;
  --md-sys-color-surface: #0b0d12;
  --md-sys-color-surface-container-lowest: #080a0e;
  --md-sys-color-surface-container-low: #111319;
  --md-sys-color-surface-container: #161820;
  --md-sys-color-surface-container-high: #1c1f28;
  --md-sys-color-surface-container-highest: #242732;
  --md-sys-color-on-surface: #e8e7ed;
  --md-sys-color-on-surface-variant: #c3c5cf;
  --md-sys-color-outline: #8c909e;
  --md-sys-color-outline-variant: #3f434e;

  --md-sys-color-primary: #bcc2ff;
  --md-sys-color-on-primary: #20265c;
  --md-sys-color-primary-container: #343b78;
  --md-sys-color-on-primary-container: #e1e4ff;
  --md-sys-color-secondary: #86d7ea;
  --md-sys-color-on-secondary: #003641;
  --md-sys-color-secondary-container: #164d5a;
  --md-sys-color-on-secondary-container: #b8ecf7;
  --md-sys-color-tertiary: #7edba9;
  --md-sys-color-on-tertiary: #003921;
  --md-sys-color-tertiary-container: #145235;
  --md-sys-color-on-tertiary-container: #a6f4c8;
  --md-sys-color-error: #ffb4a8;

  --max: 1240px;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --duration-short: 180ms;
  --duration-medium: 360ms;
  --easing-standard: cubic-bezier(.2, 0, 0, 1);
  --easing-emphasized: cubic-bezier(.2, 0, 0, 1.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--md-sys-color-background); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 5%, rgba(91, 99, 212, .18), transparent 28rem),
    radial-gradient(circle at 12% 34%, rgba(42, 150, 172, .07), transparent 32rem),
    var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { background: rgba(188,194,255,.32); color: white; }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  transform: translateY(-150%);
  padding: .75rem 1.1rem;
  border: 1px solid var(--md-sys-color-secondary);
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  border-radius: 999px;
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.mono { font-family: var(--mono); }

/* Header  -  a floating Material-style top app bar */
.site-header {
  position: fixed;
  inset: 18px 0 auto;
  z-index: 1000;
  pointer-events: none;
}
.nav-shell {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 10px 8px 12px;
  border: 1px solid rgba(140,144,158,.15);
  border-radius: 32px;
  background: rgba(22,24,32,.73);
  backdrop-filter: blur(22px) saturate(140%);
  box-shadow: 0 10px 40px rgba(0,0,0,.14);
  pointer-events: auto;
  transition: background var(--duration-short) var(--easing-standard), border-color var(--duration-short) var(--easing-standard), transform var(--duration-short) var(--easing-standard);
}
.site-header.is-scrolled .nav-shell { background: rgba(22,24,32,.93); border-color: rgba(140,144,158,.28); transform: translateY(-2px); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-height: 52px; padding-right: 10px; }
.brand-mark {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  object-fit: contain;
  display: block;
}
.brand-divider {
  width: 1px;
  height: 30px;
  flex: 0 0 1px;
  background: linear-gradient(180deg, transparent, rgba(202,208,220,.7) 18%, rgba(202,208,220,.7) 82%, transparent);
}
.brand-name {
  font-size: 12.5px;
  font-weight: 760;
  letter-spacing: .17em;
  background: linear-gradient(90deg, #6a42ff 0%, #3772ff 32%, #18bde9 63%, #31e78d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 22px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: background var(--duration-short) var(--easing-standard), color var(--duration-short) var(--easing-standard), transform var(--duration-short) var(--easing-standard);
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--md-sys-color-on-surface); background: rgba(188,194,255,.08); }
.site-nav a.is-active { color: var(--md-sys-color-on-primary-container); background: rgba(52,59,120,.6); }
.site-nav .nav-cta { color: var(--md-sys-color-on-primary); background: var(--md-sys-color-primary); padding-inline: 18px; }
.site-nav .nav-cta:hover, .site-nav .nav-cta:focus-visible { color: var(--md-sys-color-on-primary); background: #c8cdff; transform: scale(1.02); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: transparent; cursor: pointer; }
.menu-toggle:hover { background: rgba(188,194,255,.08); }
.menu-toggle span:not(.sr-only) { display: block; width: 21px; height: 1.5px; margin: 5px auto; background: var(--md-sys-color-on-surface); transition: transform var(--duration-short) var(--easing-standard); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(1) { transform: translateY(3.25px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(-3.25px) rotate(-45deg); }

.eyebrow { margin: 0 0 18px; color: #aeb2c0; font: 620 10px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .17em; }
.signal-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--md-sys-color-tertiary); box-shadow: 0 0 0 5px rgba(126,219,169,.07); vertical-align: 1px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 154px 0 38px; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .46;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black 0%, rgba(0,0,0,.78) 54%, transparent 93%);
}
.hero-orbit { position: absolute; border: 1px solid rgba(188,194,255,.08); border-radius: 50%; pointer-events: none; }
.hero-orbit-one { width: 560px; height: 560px; right: -210px; top: 66px; }
.hero-orbit-two { width: 260px; height: 260px; right: 20%; top: 140px; border-color: rgba(134,215,234,.06); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .93fr) minmax(440px, 1.07fr); gap: clamp(48px, 7vw, 96px); align-items: center; }
.hero-copy { padding-bottom: 30px; }
.hero h1 { margin: 0; font-size: clamp(4.2rem, 9.6vw, 8.4rem); line-height: .84; letter-spacing: -.074em; font-weight: 780; text-wrap: balance; }
.hero-role { margin: 30px 0 0; max-width: 770px; color: #dedde4; font-size: clamp(1.12rem, 2vw, 1.55rem); line-height: 1.35; font-weight: 590; letter-spacing: -.018em; }
.hero-role span { color: var(--md-sys-color-primary); padding: 0 .13em; }
.hero-thesis { max-width: 760px; margin: 26px 0 0; color: var(--md-sys-color-on-surface-variant); font-size: clamp(1.02rem, 1.6vw, 1.2rem); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  border: 0;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 720;
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--duration-short) var(--easing-emphasized), background var(--duration-short) var(--easing-standard), box-shadow var(--duration-short) var(--easing-standard);
}
.button:hover { transform: scale(1.025); }
.button-primary { background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); box-shadow: 0 8px 22px rgba(72,76,156,.16); }
.button-primary:hover, .button-primary:focus-visible { background: #c9ceff; }
.button-tonal { background: var(--md-sys-color-surface-container-highest); color: var(--md-sys-color-on-surface); }
.button-tonal:hover, .button-tonal:focus-visible { background: #2c303c; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.hero-tags span { min-height: 30px; display: inline-flex; align-items: center; padding: 0 11px; border: 1px solid var(--md-sys-color-outline-variant); border-radius: 999px; background: rgba(22,24,32,.58); color: #aeb2bf; font: 550 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }

.hero-stage { min-width: 0; transform: translate3d(calc(var(--hero-x, 0) * 1px), calc(var(--hero-y, 0) * 1px), 0); transition: transform 900ms var(--easing-standard); }
.hero-stage-surface {
  position: relative;
  overflow: hidden;
  min-height: 610px;
  padding: 26px;
  border: 1px solid rgba(140,144,158,.18);
  border-radius: 64px 18px 64px 64px;
  background:
    radial-gradient(circle at 80% 20%, rgba(188,194,255,.11), transparent 38%),
    linear-gradient(145deg, rgba(36,39,50,.96), rgba(17,19,25,.94));
  box-shadow: 0 28px 80px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.04);
}
.hero-stage-surface::after { content: ""; position: absolute; inset: auto 26px 26px auto; width: 78px; height: 78px; border-radius: 24px 24px 8px 24px; background: var(--md-sys-color-secondary-container); opacity: .62; }
.hero-stage-kicker { position: absolute; top: 25px; left: 29px; z-index: 2; color: #777d8d; font-size: 9px; letter-spacing: .11em; }
.hero-stage img { width: 100%; height: 100%; min-height: 555px; object-fit: contain; transform: scale(1.07); filter: saturate(1.08) contrast(1.05) drop-shadow(0 20px 34px rgba(0,0,0,.28)); animation: lattice-breathe 9s var(--easing-standard) infinite alternate; }
.hero-stage-badges { position: absolute; z-index: 3; inset: auto auto 64px 26px; display: flex; flex-wrap: wrap; gap: 7px; max-width: 72%; }
.badge { min-height: 30px; display: inline-flex; align-items: center; padding: 0 11px; border-radius: 999px; font: 650 9px/1 var(--mono); letter-spacing: .08em; }
.badge-primary { background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container); }
.badge-secondary { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); }
.badge-tertiary { background: var(--md-sys-color-tertiary-container); color: var(--md-sys-color-on-tertiary-container); }
.hero-stage-status { position: absolute; left: 28px; bottom: 26px; color: #7e8492; font-size: 9px; letter-spacing: .08em; }
.hero-stage-status .signal-dot { width: 6px; height: 6px; margin-right: 6px; }
@keyframes lattice-breathe { from { transform: scale(1.065) translate3d(-3px, 2px, 0); } to { transform: scale(1.095) translate3d(4px, -2px, 0); } }

.signal-rail { position: relative; z-index: 4; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; margin-top: 42px; overflow: hidden; border-radius: 34px 34px 12px 34px; background: var(--md-sys-color-outline-variant); }
.signal-rail > div { min-height: 116px; display: flex; flex-direction: column; justify-content: center; padding: 22px 20px; background: rgba(17,19,25,.97); }
.signal-rail strong { color: #f0eff5; font-size: clamp(1.5rem, 2.4vw, 2.05rem); line-height: 1; letter-spacing: -.035em; }
.signal-rail span { margin-top: 9px; color: #878d9a; font-size: 11px; line-height: 1.35; }

.section { position: relative; padding: 126px 0; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .6fr); gap: clamp(40px, 8vw, 110px); align-items: end; margin-bottom: 62px; }
.section-heading h2, .about-heading h2, .connect-copy h2 { margin: 0; font-size: clamp(2.7rem, 6vw, 5.8rem); line-height: .96; letter-spacing: -.055em; font-weight: 760; text-wrap: balance; }
.section-heading > p { margin: 0 0 8px; color: #9ca1ae; font-size: 15px; line-height: 1.75; }

/* Selected systems: editorial, large, asymmetrical containment */
.section-systems { background: var(--md-sys-color-surface-container-lowest); border-radius: 56px 56px 0 0; }
.system-case {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr);
  gap: clamp(36px, 6vw, 82px);
  align-items: stretch;
  margin: 0 0 26px;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid rgba(140,144,158,.13);
  background: var(--md-sys-color-surface-container-low);
  border-radius: 52px 18px 52px 52px;
  overflow: hidden;
}
.system-case-reverse .system-copy { order: 2; }
.system-case-reverse .system-visual { order: 1; }
.system-case-android { background: linear-gradient(130deg, rgba(52,59,120,.45), rgba(17,19,25,.97) 56%); }
.system-case-ai { border-radius: 18px 52px 52px 52px; background: linear-gradient(230deg, rgba(22,77,90,.43), rgba(17,19,25,.97) 58%); }
.system-case-quant { background: linear-gradient(130deg, rgba(20,82,53,.24), rgba(17,19,25,.98) 50%); }
.system-case-defi { border-radius: 18px 52px 52px 52px; background: linear-gradient(230deg, rgba(19,80,88,.32), rgba(17,19,25,.98) 56%); }
.system-case-product { border-radius: 52px 52px 18px 52px; }
.system-copy { align-self: center; }
.system-index { margin-bottom: 20px; color: #777d8a; font-size: 9px; letter-spacing: .14em; }
.system-copy h3 { margin: 0; max-width: 720px; font-size: clamp(2.25rem, 4.4vw, 4.5rem); line-height: .98; letter-spacing: -.05em; font-weight: 740; }
.system-lead { max-width: 760px; margin: 24px 0 0; color: #b4b7c2; font-size: clamp(1.02rem, 1.5vw, 1.17rem); line-height: 1.72; }
.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 32px 0; overflow: hidden; border: 1px solid var(--md-sys-color-outline-variant); border-radius: 24px 24px 8px 24px; background: var(--md-sys-color-outline-variant); }
.metric-row-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric-row div { min-height: 88px; padding: 15px 16px; background: rgba(11,13,18,.63); }
.metric-row strong { display: block; font-size: 1.45rem; line-height: 1.1; letter-spacing: -.03em; }
.metric-row span { display: block; margin-top: 7px; color: #858b99; font-size: 10px; line-height: 1.3; }
.proof-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.proof-list li { position: relative; padding-left: 21px; color: #969ca9; font-size: 14px; line-height: 1.65; }
.proof-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 2px; border-radius: 2px; background: var(--md-sys-color-secondary); }
.tech-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 26px; }
.tech-row span { min-height: 28px; display: inline-flex; align-items: center; padding: 0 10px; border-radius: 999px; background: rgba(36,39,50,.74); color: #949aa7; font-size: 9px; letter-spacing: .07em; }
.status-note { margin: 18px 0 0; color: #8d94a1; font: 520 10px/1.5 var(--mono); letter-spacing: .03em; }
.system-visual {
  position: relative; align-self: stretch; display: grid; place-items: center; min-height: 470px; padding: clamp(12px, 2vw, 24px);
  border: 1px solid rgba(140,144,158,.11); border-radius: 42px 12px 42px 42px;
  background:
    radial-gradient(circle at 22% 18%, rgba(124,131,255,.12), transparent 34%),
    radial-gradient(circle at 78% 78%, rgba(72,207,227,.08), transparent 38%),
    rgba(7,10,15,.58);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025), 0 22px 54px rgba(0,0,0,.12); overflow: hidden;
}
.system-visual::before { content: ""; position: absolute; width: 220px; height: 220px; right: -90px; top: -90px; border-radius: 50%; background: rgba(124,131,255,.10); filter: blur(28px); pointer-events: none; }
.system-visual::after { content: ""; position: absolute; inset: auto auto -100px -80px; width: 230px; height: 230px; border-radius: 50%; background: rgba(72,207,227,.07); filter: blur(30px); pointer-events: none; }
.system-case-reverse .system-visual { border-radius: 12px 42px 42px 42px; }
.system-visual img { position: relative; z-index: 1; width: 100%; filter: saturate(1.12) contrast(1.04) drop-shadow(0 18px 28px rgba(0,0,0,.28)); transition: transform 600ms var(--easing-standard), filter 600ms var(--easing-standard); }
.system-case:hover .system-visual img { transform: scale(1.035) translateY(-2px); filter: saturate(1.2) contrast(1.06) drop-shadow(0 24px 36px rgba(0,0,0,.36)); }
.system-visual-ai::before { background: rgba(72,207,227,.13); }
.system-visual-graph::after, .system-visual-defi::after { background: rgba(103,214,163,.10); }
.system-visual-defi::before { background: rgba(72,207,227,.11); }


.system-case { transition: transform 420ms var(--easing-standard), border-color 420ms var(--easing-standard), box-shadow 420ms var(--easing-standard); }
.system-case:hover { transform: translateY(-2px); border-color: rgba(188,194,255,.18); box-shadow: 0 24px 70px rgba(0,0,0,.10); }
/* Published work  -  physical/editorial hero moment */
.section-published { overflow: hidden; background: var(--md-sys-color-surface); }
.published-heading { margin-bottom: 44px; }
.publication-stage {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(430px, 1.04fr) minmax(360px, .96fr);
  gap: clamp(56px, 8vw, 120px);
  align-items: center;
  padding: clamp(38px, 5vw, 66px);
  border-radius: 72px 20px 72px 72px;
  background:
    radial-gradient(circle at 12% 20%, rgba(188,194,255,.14), transparent 28rem),
    var(--md-sys-color-surface-container-low);
  border: 1px solid rgba(140,144,158,.14);
  overflow: hidden;
}
.publication-word { position: absolute; left: -12px; bottom: -34px; color: rgba(232,231,237,.025); font-size: clamp(7rem, 20vw, 18rem); line-height: .75; font-weight: 850; letter-spacing: -.08em; white-space: nowrap; pointer-events: none; }
.book-stack { position: relative; min-height: 610px; perspective: 1200px; }
.book { position: absolute; margin: 0; width: min(46%, 245px); filter: drop-shadow(0 32px 42px rgba(0,0,0,.52)); transition: transform 480ms var(--easing-emphasized), filter 480ms var(--easing-standard); }
.book img { width: 100%; border-radius: 7px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.book::before { content: ""; position: absolute; inset: -18px; z-index: -1; border-radius: 30px; background: radial-gradient(circle, rgba(188,194,255,.16), transparent 66%); filter: blur(12px); opacity: .55; }
.book-two::before { background: radial-gradient(circle, rgba(72,207,227,.16), transparent 66%); }
.book-three::before { background: radial-gradient(circle, rgba(103,214,163,.13), transparent 66%); }
.book figcaption { margin-top: 10px; color: #777d89; font-size: 8px; letter-spacing: .1em; }
.book-one { left: 2%; top: 86px; transform: rotate(-8deg) translateZ(-15px); }
.book-two { left: 29%; top: 24px; z-index: 2; transform: rotate(3deg) translateZ(30px); }
.book-three { right: 0; top: 118px; z-index: 3; transform: rotate(9deg) translateZ(60px); }
.publication-stage:hover .book-one { transform: rotate(-10deg) translate(-8px,-5px) translateZ(-15px); }
.publication-stage:hover .book-two { transform: rotate(2deg) translateY(-10px) translateZ(30px); }
.publication-stage:hover .book-three { transform: rotate(11deg) translate(8px,-5px) translateZ(60px); }
.publication-copy { position: relative; z-index: 4; }
.publication-lead { margin: 0 0 20px; color: #e1e0e6; font-size: clamp(1.45rem, 2.5vw, 2.05rem); line-height: 1.25; letter-spacing: -.025em; font-weight: 650; }
.publication-shift { margin: 0 0 28px; padding: 12px 14px; border: 1px solid rgba(188,194,255,.13); border-radius: 16px 16px 5px 16px; background: rgba(52,59,120,.19); color: #aeb4df; font-size: 8px; line-height: 1.65; letter-spacing: .09em; text-transform: uppercase; }
.publication-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.publication-list li { position: relative; padding-left: 23px; color: #a7abb6; font-size: 14px; line-height: 1.7; }
.publication-list li::before { content: ""; position: absolute; left: 0; top: .67em; width: 9px; height: 9px; border-radius: 4px 4px 1px 4px; background: var(--md-sys-color-primary); }
.publication-editor-note { margin-top: 36px; padding: 24px; border-radius: 28px 28px 8px 28px; background: var(--md-sys-color-surface-container-high); }
.publication-editor-note span { color: var(--md-sys-color-secondary); font-size: 9px; letter-spacing: .1em; }
.publication-editor-note p { margin: 11px 0 0; color: #a1a6b2; font-size: 13px; line-height: 1.7; }

/* Capabilities  -  M3 expressive bento / contrasting containment */
.section-capabilities { background: var(--md-sys-color-surface-container-lowest); border-radius: 56px 56px 0 0; }
.capability-bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(180px, auto); gap: 14px; }
.capability { position: relative; overflow: hidden; grid-column: span 4; padding: 28px; border: 1px solid rgba(140,144,158,.13); border-radius: 34px 10px 34px 34px; background: var(--md-sys-color-surface-container-low); }
.capability:nth-child(2n) { border-radius: 10px 34px 34px 34px; }
.capability-primary { grid-column: span 7; min-height: 280px; background: linear-gradient(145deg, rgba(52,59,120,.72), rgba(28,31,40,.94)); border-radius: 54px 14px 54px 54px; }
.capability-secondary { grid-column: span 5; min-height: 280px; background: linear-gradient(225deg, rgba(22,77,90,.58), rgba(28,31,40,.95)); border-radius: 14px 54px 54px 54px; }
.capability-wide { grid-column: span 8; }
.capability-cad { grid-column: span 12; min-height: 350px; padding-right: min(44%, 440px); }
.capability-cad img { position: absolute; right: -16px; bottom: -8px; width: min(48%, 390px); opacity: .96; filter: saturate(1.12) drop-shadow(0 18px 26px rgba(0,0,0,.28)); }
.cap-index { display: block; margin-bottom: 42px; color: #747a88; font-size: 9px; letter-spacing: .11em; }
.capability-primary .cap-index, .capability-secondary .cap-index { color: rgba(238,239,255,.6); }
.capability h3 { margin: 0; font-size: clamp(1.35rem, 2.3vw, 2.05rem); line-height: 1.06; letter-spacing: -.035em; }
.capability p { margin: 16px 0 0; color: #969ca9; font-size: 13px; line-height: 1.65; }
.capability-primary p, .capability-secondary p { max-width: 560px; color: rgba(235,236,247,.78); }
.cap-pulse { position: absolute; right: 34px; top: 34px; width: 54px; height: 54px; border-radius: 50%; border: 1px solid rgba(188,194,255,.22); }
.cap-pulse::before, .cap-pulse::after { content: ""; position: absolute; border-radius: 50%; inset: 10px; border: 1px solid rgba(188,194,255,.3); }
.cap-pulse::after { inset: 21px; background: var(--md-sys-color-primary); border: 0; box-shadow: 0 0 0 6px rgba(188,194,255,.06); }

/* About */
.section-about { background: var(--md-sys-color-surface); }
.about-grid { display: grid; grid-template-columns: minmax(320px, .75fr) minmax(0, 1.25fr); gap: clamp(48px, 9vw, 130px); align-items: start; }
.about-heading { position: sticky; top: 126px; }
.about-copy { max-width: 760px; }
.about-lead { margin-top: 0 !important; color: #d2d2da !important; font-size: clamp(1.35rem, 2.5vw, 1.95rem) !important; line-height: 1.45 !important; letter-spacing: -.025em; }
.about-copy > p { color: #9da2ae; font-size: 15px; line-height: 1.82; }
.about-details { display: grid; gap: 1px; margin: 40px 0 30px; overflow: hidden; border: 1px solid var(--md-sys-color-outline-variant); border-radius: 30px 30px 8px 30px; background: var(--md-sys-color-outline-variant); }
.about-details div { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 19px 20px; background: var(--md-sys-color-surface-container-low); }
.about-details dt { color: #7c8290; font-size: 9px; letter-spacing: .1em; }
.about-details dd { margin: 0; color: #aaaeba; font-size: 13px; }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--md-sys-color-secondary); font-size: 14px; font-weight: 650; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Connect / form */
.section-connect { padding-top: 108px; background: linear-gradient(to bottom, var(--md-sys-color-surface), var(--md-sys-color-surface-container-lowest)); }
.connect-grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(46px, 8vw, 110px); align-items: start; }
.connect-copy h2 { font-size: clamp(3.4rem, 7vw, 7rem); }
.connect-copy > p:not(.eyebrow):not(.contact-meta) { color: #9ba0ad; max-width: 520px; }
.contact-meta { margin-top: 30px; color: #626976; font-size: 9px; letter-spacing: .1em; }
.contact-panel { padding: clamp(26px, 4vw, 42px); border: 1px solid rgba(140,144,158,.14); border-radius: 50px 16px 50px 50px; background: var(--md-sys-color-surface-container-low); }
.contact-form { position: relative; }
.form-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field { margin-bottom: 15px; }
.field label { display: flex; align-items: baseline; justify-content: space-between; margin: 0 0 8px; color: #c4c7d0; font: 620 10px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.field .optional { color: #626976; font-size: 8px; font-weight: 500; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 18px 18px 6px 18px;
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
  padding: 14px 15px;
  outline: none;
  transition: border-color var(--duration-short) var(--easing-standard), box-shadow var(--duration-short) var(--easing-standard), background var(--duration-short) var(--easing-standard);
}
.field textarea { resize: vertical; min-height: 160px; }
.field input:focus, .field textarea:focus { border-color: var(--md-sys-color-secondary); box-shadow: 0 0 0 3px rgba(134,215,234,.08); background: #0e1117; }
.field input:user-invalid, .field textarea:user-invalid { border-color: rgba(255,180,168,.62); }
.contact-submit-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 4px; }
.contact-submit-row .button { min-width: 156px; }
.contact-submit-row .button[disabled] { opacity: .58; cursor: wait; transform: none; }
.contact-status { min-height: 22px; color: #8c929f; font-size: 12px; }
.contact-status-success { color: var(--md-sys-color-tertiary); }
.contact-status-error { color: var(--md-sys-color-error); }
.contact-notice { margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--md-sys-color-outline-variant); color: #717784; font-size: 11px; line-height: 1.7; }
.contact-notice strong { color: #989eaa; }
.contact-notice a { color: #afb4c0; }

.site-footer { padding: 48px 0 62px; background: var(--md-sys-color-surface-container-lowest); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 36px; align-items: end; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ecebf1;
  font-weight: 760;
  text-decoration: none;
}
.footer-brand img { width: 34px; height: 34px; object-fit: contain; }
.footer-brand-divider { width: 1px; height: 21px; background: rgba(150,157,170,.42); }
.footer-brand span:last-child {
  font-size: 11px;
  letter-spacing: .16em;
  background: linear-gradient(90deg, #6a42ff 0%, #3772ff 32%, #18bde9 63%, #31e78d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-identity p { margin: 7px 0 0; color: #666d7a; font-size: 11px; }
.footer-grid nav { display: flex; gap: 18px; }
.footer-grid nav a { color: #858c99; font-size: 12px; text-decoration: none; }
.footer-grid nav a:hover, .footer-grid nav a:focus-visible { color: white; }
.copyright { margin: 0; color: #5d6471; font-size: 9px; letter-spacing: .07em; }

/* Legal / error pages retain the same app routes and visual family */
.legal-page, .error-page { min-height: 100vh; background: var(--md-sys-color-background); }
.legal-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(140,144,158,.14); background: rgba(11,13,18,.94); backdrop-filter: blur(14px); }
.legal-header .shell { min-height: 74px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.legal-brand, .legal-back { text-decoration: none; }
.legal-brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 740; }
.legal-brand img { width: 38px; height: 38px; object-fit: contain; }
.legal-brand-divider { width: 1px; height: 23px; background: rgba(150,157,170,.42); }
.legal-brand span:last-child {
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .16em;
  background: linear-gradient(90deg, #6a42ff 0%, #3772ff 32%, #18bde9 63%, #31e78d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.legal-back { color: #9da2ae; font-size: 13px; }
.legal-container { width: min(calc(100% - 48px), 850px); margin: 0 auto; padding: 82px 0 110px; }
.legal-container h1 { margin: 0; font-size: clamp(2.6rem, 6vw, 5.4rem); line-height: .98; letter-spacing: -.05em; }
.legal-effective { margin: 18px 0 54px; color: #707684; font: 500 11px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.legal-container h2 { margin: 48px 0 14px; font-size: 1.45rem; letter-spacing: -.02em; }
.legal-container h3 { margin: 30px 0 8px; font-size: 1.05rem; }
.legal-container p, .legal-container li { color: #a7abb6; font-size: 15px; line-height: 1.82; }
.legal-container a { color: #b8ecf7; text-underline-offset: 3px; }
.legal-container ul { padding-left: 1.2rem; }
.legal-footer { border-top: 1px solid rgba(140,144,158,.14); padding: 30px 0; color: #68707d; font-size: 12px; }
.legal-footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.legal-footer p { margin: 0; }
.legal-footer a { color: #9da3af; }
.error-shell { min-height: 75vh; display: grid; place-items: center; padding: 90px 24px; text-align: center; }
.error-code { color: var(--md-sys-color-secondary); font: 600 11px/1 var(--mono); letter-spacing: .18em; }
.error-shell h1 { margin: 18px 0 12px; font-size: clamp(2.5rem, 7vw, 6rem); letter-spacing: -.06em; }
.error-shell p { max-width: 560px; margin: 0 auto 28px; color: #9da2ae; }

:focus-visible { outline: 2px solid var(--md-sys-color-secondary); outline-offset: 4px; }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stage { max-width: 820px; }
  .hero-stage-surface { min-height: 560px; }
  .signal-rail { grid-template-columns: repeat(3, 1fr); }
  .signal-rail > div { grid-column: span 1; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .system-case { grid-template-columns: 1fr; }
  .system-case-reverse .system-copy, .system-case-reverse .system-visual { order: initial; }
  .system-visual { min-height: 380px; }
  .publication-stage { grid-template-columns: 1fr; min-height: auto; }
  .book-stack { max-width: 720px; min-height: 580px; }
  .capability { grid-column: span 6; }
  .capability-primary, .capability-secondary { grid-column: span 12; }
  .capability-wide { grid-column: span 6; }
  .capability-cad { grid-column: span 12; }
  .about-grid, .connect-grid { grid-template-columns: 1fr; gap: 54px; }
  .about-heading { position: static; }
  .footer-grid { grid-template-columns: 1fr auto; }
  .copyright { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .site-header { inset: 10px 0 auto; }
  .nav-shell { min-height: 58px; border-radius: 28px; }
  .brand-mark { width: 48px; height: 48px; flex-basis: 48px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 66px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    padding: 10px;
    border: 1px solid rgba(140,144,158,.16);
    border-radius: 28px 10px 28px 28px;
    background: rgba(22,24,32,.98);
    box-shadow: 0 24px 60px rgba(0,0,0,.32);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { justify-content: flex-start; min-height: 44px; padding-inline: 16px; }
  .site-nav .nav-cta { justify-content: center; margin-top: 3px; }

  .hero { padding: 118px 0 26px; }
  .hero h1 { font-size: clamp(4rem, 20vw, 6.4rem); }
  .hero-role { font-size: 1.04rem; }
  .hero-stage-surface { min-height: 440px; padding: 18px; border-radius: 42px 14px 42px 42px; }
  .hero-stage img { min-height: 400px; transform: scale(1.12); }
  .hero-stage-badges { left: 18px; bottom: 56px; max-width: 88%; }
  .hero-stage-kicker { left: 20px; top: 20px; }
  .hero-stage-status { left: 20px; bottom: 20px; }
  .signal-rail { grid-template-columns: 1fr 1fr; border-radius: 28px 28px 9px 28px; }
  .signal-rail > div { min-height: 92px; padding: 17px; }
  .signal-rail > div:last-child { grid-column: span 1; }

  .section { padding: 92px 0; }
  .section-heading h2, .about-heading h2, .connect-copy h2 { font-size: clamp(2.7rem, 13vw, 4.4rem); }
  .system-case { padding: 24px; border-radius: 36px 12px 36px 36px; }
  .system-case-ai, .system-case-defi, .system-case-product { border-radius: 12px 36px 36px 36px; }
  .system-copy h3 { font-size: clamp(2.15rem, 10.5vw, 3.5rem); }
  .metric-row, .metric-row-four { grid-template-columns: 1fr; border-radius: 22px 22px 7px 22px; }
  .metric-row div { min-height: 70px; }
  .system-visual { min-height: 300px; padding: 6px; border-radius: 30px 9px 30px 30px; }
  .system-case-reverse .system-visual { border-radius: 9px 30px 30px 30px; }

  .publication-stage { padding: 26px 20px 34px; border-radius: 42px 14px 42px 42px; }
  .book-stack { min-height: 430px; }
  .book { width: 43%; }
  .book-one { top: 72px; }
  .book-two { left: 29%; top: 15px; }
  .book-three { top: 86px; }
  .publication-word { bottom: -12px; }

  .capability-bento { grid-template-columns: 1fr; }
  .capability, .capability-primary, .capability-secondary, .capability-wide, .capability-cad { grid-column: 1; min-height: auto; padding: 24px; border-radius: 30px 9px 30px 30px; }
  .capability:nth-child(2n) { border-radius: 9px 30px 30px 30px; }
  .capability-cad { padding-bottom: 260px; }
  .capability-cad img { width: 90%; right: 5%; bottom: -12px; }
  .cap-index { margin-bottom: 28px; }

  .about-details div { grid-template-columns: 1fr; gap: 6px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-panel { padding: 24px; border-radius: 36px 12px 36px 36px; }
  .contact-submit-row { align-items: stretch; flex-direction: column; }
  .contact-submit-row .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-grid nav { flex-wrap: wrap; }
  .copyright { grid-column: auto; }
}

@media (max-width: 440px) {
  body { font-size: 16px; }
  .brand-name { font-size: 10.5px; letter-spacing: .13em; }
  .hero h1 { font-size: 18vw; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-tags span { font-size: 8px; }
  .signal-rail { grid-template-columns: 1fr; }
  .signal-rail > div:last-child { grid-column: auto; }
  .book-stack { min-height: 375px; }
  .book figcaption { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .hero-stage { transform: none !important; }
}