@font-face {
  font-family: "Cabinet Grotesk";
  src: url("fonts/cabinet-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cabinet Grotesk";
  src: url("fonts/cabinet-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0a0b10;
  --bg-elevated: #11131a;
  --card: #12141c;
  --ink: #f2f4f8;
  --ink-soft: #9aa0b4;
  --ink-dim: #6e7488;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --primary: #5b6cff;
  --primary-2: #8fa2ff;
  --violet: #995af2;
  --primary-soft: rgba(91, 108, 255, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
  --header-h: 88px;
  --font-display: "Cabinet Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Segoe UI Mono", "Cascadia Mono", Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gx: 50%;
  --gy: 28%;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 80;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 12px;
  border-radius: 8px;
}

.skip-link:focus {
  top: 16px;
}

/* Ambient */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(55% 50% at var(--gx) var(--gy), rgba(91, 108, 255, 0.28), transparent 70%),
    radial-gradient(42% 42% at calc(100% - var(--gx)) calc(32% - var(--gy) * 0.15), rgba(153, 90, 242, 0.16), transparent 70%);
  transition: background 80ms linear;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 55% at 50% 20%, #000 20%, transparent 75%);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 18px 20px 0;
  transition: padding 0.35s var(--ease);
}

.site-header.is-scrolled {
  padding-top: 10px;
}

.nav-shell {
  max-width: 1180px;
  margin: 0 auto;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(16, 18, 26, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 22px;
  height: 22px;
  fill: currentColor;
  color: var(--primary-2);
}

.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  font-size: 1.05rem;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 28px;
}

.nav-desktop a {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: rgba(242, 244, 248, 0.68);
  transition: color 0.2s ease;
}

.nav-desktop a:hover,
.nav-desktop a.is-active {
  color: var(--primary-2);
}

.nav-cta {
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff !important;
  transition: background 0.2s ease, transform 0.2s var(--ease);
}

.nav-cta:hover {
  background: #6d7cff;
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transform-origin: center;
  transition: transform 0.25s var(--ease);
}

body.nav-open .nav-toggle span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

body.nav-open .nav-toggle span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 86px 16px auto;
  z-index: 49;
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(16, 18, 26, 0.96);
  backdrop-filter: blur(20px);
}

.nav-mobile[hidden] {
  display: none;
}

.nav-mobile a {
  font-family: var(--font-mono);
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--ink-soft);
}

.nav-mobile a:hover {
  background: var(--primary-soft);
  color: var(--ink);
}

.nav-mobile a[href="#contact"] {
  margin-top: 6px;
  background: var(--primary);
  color: #fff;
  text-align: center;
}

/* Shared */
main {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 1.15rem;
}

.section {
  padding: 104px 24px;
  max-width: calc(var(--max) + 48px);
  margin: 0 auto;
  scroll-margin-top: 92px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head h2,
.belief h2,
.contact-copy h2,
.security-panel h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-lead,
.belief p,
.hero-lead,
.security-panel p,
.contact-copy p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
}

.section-lead {
  margin-top: 16px;
  max-width: 58ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 500;
  transition: transform 0.25s var(--ease), background 0.2s ease, border-color 0.2s ease;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s var(--ease);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: #6d7cff;
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: rgba(143, 162, 255, 0.45);
  background: var(--primary-soft);
}

/* Hero */
.hero {
  position: relative;
  padding: 168px 24px 64px;
  text-align: center;
}

.hero-title {
  max-width: 15ch;
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
  font-size: clamp(40px, 7vw, 96px);
}

.hero-gradient {
  background-image: linear-gradient(120deg, #8fa2ff, #995af2 35%, #f7f9fc 65%, #8fa2ff);
  background-size: 280% 280%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hero-pan 14s ease-in-out infinite;
}

@keyframes hero-pan {
  0%,
  100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-lead {
  max-width: 58ch;
  margin: 28px auto 0;
  font-size: clamp(1.02rem, 1.3vw + 0.7rem, 1.28rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* Marquee */
.marquee {
  position: relative;
  overflow: hidden;
  padding: 28px 0 12px;
}

.marquee-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, var(--bg), transparent 12%, transparent 88%, var(--bg));
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee 42s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
}

.marquee-group span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
  white-space: nowrap;
}

.marquee-group span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 36px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.55;
  transform: translateY(-1px);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Pillars */
.pillars {
  max-width: calc(var(--max) + 48px);
  margin: 36px auto 0;
  padding: 0 24px;
  display: grid;
  gap: 14px;
}

.pillar {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 20, 28, 0.72);
  min-height: 220px;
}

.pillar-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-2);
  margin-bottom: 18px;
}

.pillar h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}

.pillar-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  margin-bottom: 14px;
}

.pillar p:last-child {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* Capabilities */
.cap-grid {
  display: grid;
  gap: 16px;
}

.cap-card {
  position: relative;
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: border-color 0.35s ease, transform 0.4s var(--ease), box-shadow 0.35s ease;
}

.cap-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(91, 108, 255, 0.28), 0 0 28px -10px rgba(91, 108, 255, 0.25);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.cap-card:hover {
  border-color: rgba(91, 108, 255, 0.28);
  transform: translateY(-2px);
}

.cap-card:hover::after {
  opacity: 1;
}

.cap-icon {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  transition: background 0.3s ease, color 0.3s ease;
}

.cap-icon svg {
  width: 40px;
  height: 40px;
}

.cap-card:hover .cap-icon {
  background: var(--primary-soft);
  color: var(--primary-2);
}

.cap-card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.035em;
  margin-bottom: 10px;
  transition: color 0.25s ease;
}

.cap-card:hover h3 {
  color: var(--primary-2);
}

.cap-card p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.cap-list {
  display: grid;
  gap: 6px;
  margin-top: 22px;
}

.cap-list li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

/* Mosaic */
.mosaic {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(18, 20, 28, 0.8);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s var(--ease);
}

.chip-lg {
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--ink);
  border-color: var(--line-strong);
}

.chip:hover,
.chip:focus-visible,
.chip.is-hot {
  color: var(--ink);
  border-color: rgba(143, 162, 255, 0.45);
  background: var(--primary-soft);
  transform: translateY(-1px);
}

.chip:focus-visible,
.btn:focus-visible,
.nav-desktop a:focus-visible,
.contact-mail:focus-visible {
  outline: 2px solid var(--primary-2);
  outline-offset: 3px;
}

.chip.is-dim {
  opacity: 0.35;
}

.mosaic-hint {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-dim);
}

/* Beliefs */
.beliefs {
  padding-top: 72px;
}

.belief-grid {
  display: grid;
  gap: 18px;
}

.belief {
  padding: 36px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(91, 108, 255, 0.06), rgba(18, 20, 28, 0.4));
}

.belief p + p {
  margin-top: 16px;
}

.belief h2 {
  margin-bottom: 18px;
}

/* Process */
.steps {
  display: grid;
  gap: 14px;
}

.steps li {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
}

.steps span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-2);
  margin-bottom: 10px;
}

.steps h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.steps p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.pipeline {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pipeline-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-dim);
  margin-bottom: 14px;
}

.pipeline ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
}

.pipeline li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
  display: flex;
  align-items: center;
}

.pipeline li:not(:last-child)::after {
  content: "→";
  margin: 0 10px;
  color: var(--primary-2);
}

/* Stack */
.stack-grid {
  display: grid;
  gap: 14px;
}

.stack-grid article {
  padding: 24px;
  border-top: 1px solid var(--line);
}

.stack-grid h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.stack-grid p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Security */
.security-panel {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding: 36px 28px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}

.security-copy {
  max-width: 640px;
}

.security-copy h2 {
  margin-bottom: 14px;
}

.security-panel ul {
  display: grid;
  gap: 10px;
}

.security-panel li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

/* Contact */
.contact {
  padding-bottom: 96px;
}

.contact-copy {
  max-width: 720px;
}

.contact-copy h2 {
  margin-bottom: 16px;
}

.contact-mail {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  color: var(--primary-2);
  border-bottom: 1px solid rgba(143, 162, 255, 0.35);
}

/* Footer */
.site-footer {
  position: relative;
  overflow: hidden;
  min-height: 200px;
  padding: 88px 24px 36px;
  border-top: 1px solid var(--line);
}

.footer-wordmark {
  position: absolute;
  left: 50%;
  top: 44%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(56px, 12vw, 132px);
  letter-spacing: -0.07em;
  color: rgba(255, 255, 255, 0.055);
  pointer-events: none;
  white-space: nowrap;
}

.footer-bar {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--ink-dim);
}

.footer-bar a:hover {
  color: var(--ink);
}

/* Breakpoints */
@media (min-width: 760px) {
  .nav-desktop { display: flex; }
  .nav-toggle { display: none; }

  .pillars {
    grid-template-columns: 1fr 1fr;
  }

  .cap-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cap-card-wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: stretch;
  }

  .cap-list {
    margin-top: 0;
    align-content: center;
    border-left: 1px solid var(--line);
    padding-left: 28px;
  }

  .belief-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .stack-grid {
    grid-template-columns: 1fr 1fr;
  }

  .security-panel {
    padding: 44px 40px 36px;
  }

  .security-panel ul {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bar {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1040px) {
  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .cap-card-wide {
    grid-column: 1 / 3;
  }

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

  .security-panel ul {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 759px) {
  .section { padding: 80px 20px; }
  .hero { padding: 138px 20px 48px; }
  .cap-card { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-gradient,
  .marquee-track {
    animation: none !important;
  }
}