:root {
  --bg: #03070d;
  --panel: #07111b;
  --panel-soft: #0b1722;
  --ink: #f6f8fb;
  --muted: #a8b4c4;
  --muted-strong: #d7e0eb;
  --blue: #006cff;
  --blue-hot: #2a8cff;
  --teal: #00b7a6;
  --rose: #c84c61;
  --line: rgba(126, 169, 214, 0.18);
  --line-strong: rgba(72, 145, 255, 0.34);
  --radius: 8px;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 108, 255, 0.2), transparent 34rem),
    linear-gradient(180deg, #02050a 0%, #07111a 48%, #f7f8f5 48%, #f7f8f5 100%);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: -999px;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  background: var(--blue);
  color: #fff;
}

.skip-link:focus {
  left: 0.75rem;
}

.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  z-index: 30;
  width: min(var(--max), calc(100% - 2rem));
  height: 4.25rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(3, 7, 13, 0.78);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-color: var(--line-strong);
  background: rgba(3, 7, 13, 0.92);
}

.brand,
.site-nav,
.header-cta {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 0.75rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav {
  gap: 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav a,
.header-cta {
  text-decoration: none;
}

.site-nav a {
  color: rgba(246, 248, 251, 0.66);
  transition: color 0.18s ease;
}

.site-nav a:hover {
  color: #fff;
}

.header-cta {
  min-height: 2.1rem;
  padding: 0 0.95rem;
  border-radius: 6px;
  background: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 8rem 1.25rem 5.5rem;
  background:
    linear-gradient(180deg, rgba(3, 7, 13, 0) 0%, rgba(3, 7, 13, 0.2) 58%, #07111a 100%),
    radial-gradient(circle at 50% 36%, rgba(0, 108, 255, 0.18), transparent 28rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126, 169, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 169, 214, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  opacity: 0.28;
}

.neural-canvas {
  position: absolute;
  inset: 4rem 0 auto;
  width: 100%;
  height: min(48vh, 30rem);
  opacity: 0.98;
}

.hero-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: 0.08;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(850px, 100%);
  margin-top: 14rem;
  text-align: center;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero h1 {
  max-width: 920px;
  margin: 0 auto;
  font-size: clamp(2.7rem, 6vw, 5.7rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-wrap: balance;
  text-shadow: 0 0 28px rgba(42, 140, 255, 0.28);
}

.hero-lead {
  max-width: 720px;
  margin: 1.35rem auto 0;
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.72;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:active {
  transform: scale(0.98);
}

.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 30px rgba(0, 108, 255, 0.34);
}

.button-primary:hover {
  background: var(--blue-hot);
}

.button-ghost {
  border: 1px solid var(--line-strong);
  color: #f6f8fb;
}

.button-ghost:hover {
  border-color: rgba(126, 169, 214, 0.62);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(var(--max), calc(100% - 2rem));
  margin: -3.5rem auto 0;
  position: relative;
  z-index: 4;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 17, 27, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.signal-strip div {
  padding: 1.45rem;
}

.signal-strip div + div {
  border-left: 1px solid var(--line);
}

.signal-strip span,
.section-kicker,
.need-card span,
.capability-main span,
.process-list span,
.cta-actions span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-strip span,
.section-kicker,
.need-card span,
.capability-main span,
.process-list span {
  color: var(--teal);
}

.signal-strip strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1rem;
}

.section {
  padding: 7rem 1.25rem;
  color: #11181d;
  background: #f7f8f5;
}

.section + .section {
  padding-top: 2rem;
}

.section-kicker {
  width: min(var(--max), 100%);
  margin: 0 auto 1rem;
}

.section-grid,
.need-grid,
.capability-layout,
.process-list,
.cta-panel,
.site-footer {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.62fr);
  gap: 4rem;
  align-items: end;
}

.section h2,
.cta h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.6vw, 4.35rem);
  line-height: 1;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.section-copy,
.section-grid > p {
  color: #59645f;
  font-size: 1.05rem;
  line-height: 1.75;
}

.need-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.need-card,
.capability-main,
.capability-item,
.process-list li,
.cta-panel {
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 24px 70px rgba(24, 26, 27, 0.06);
}

.need-card {
  min-height: 18rem;
  padding: 1.5rem;
}

.need-card h3,
.capability-item h3,
.process-list h3 {
  margin: 1rem 0 0.75rem;
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.need-card p,
.capability-main p,
.capability-item p,
.process-list p {
  color: #59645f;
  line-height: 1.65;
}

.capabilities {
  background: #07111a;
  color: #f6f8fb;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1rem;
}

.capability-main,
.capability-item {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  box-shadow: none;
}

.capability-main {
  padding: 2rem;
}

.capability-main h2 {
  margin: 1rem 0 1.25rem;
  font-size: clamp(2rem, 4vw, 3.9rem);
}

.capability-main p,
.capability-item p {
  color: #a8b4c4;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.capability-item {
  padding: 1.35rem;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin-top: 3rem;
  list-style: none;
}

.process-list li {
  padding: 1.35rem;
}

.cta {
  padding: 5rem 1.25rem 6rem;
  background: #f7f8f5;
  color: #11181d;
}

.cta-panel {
  padding: clamp(2rem, 5vw, 4.5rem);
  background:
    radial-gradient(circle at top right, rgba(0, 108, 255, 0.15), transparent 24rem),
    #fff;
}

.cta .section-kicker {
  width: auto;
}

.cta h2 {
  max-width: 900px;
}

.cta-actions {
  justify-content: flex-start;
}

.cta-actions span {
  align-self: center;
  color: #59645f;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.25rem 3rem;
  color: #59645f;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer a {
  color: #11181d;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--teal);
  outline: none;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    flex-wrap: wrap;
    padding-block: 0.75rem;
  }

  .brand {
    order: 1;
  }

  .header-cta {
    order: 2;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: clamp(0.7rem, 2.8vw, 1.15rem);
    padding-top: 0.35rem;
    font-size: 0.62rem;
  }

  .hero-inner {
    margin-top: 11rem;
  }

  .signal-strip,
  .section-grid,
  .need-grid,
  .capability-layout,
  .capability-list,
  .process-list {
    grid-template-columns: 1fr;
  }

  .signal-strip div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .site-header {
    top: 0.5rem;
    width: calc(100% - 1rem);
    justify-content: center;
  }

  .header-cta {
    display: none;
  }

  .brand {
    width: 100%;
    justify-content: center;
  }

  .site-nav {
    gap: 0.62rem;
    padding-top: 0.15rem;
    font-size: 0.58rem;
    letter-spacing: 0.06em;
  }

  .hero {
    padding-inline: 1rem;
  }

  .hero-inner {
    margin-top: 8.5rem;
  }

  .neural-canvas {
    height: 22rem;
  }

  .hero-actions,
  .cta-actions,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .section {
    padding-inline: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button,
  .site-header,
  .site-nav a {
    transition: none;
  }
}