:root {
  --ink: #102033;
  --muted: #5d6b7d;
  --paper: #eef3f8;
  --panel: #ffffff;
  --soft: #f4f7fb;
  --line: #dbe3ee;
  --teal: #1b8f95;
  --cyan: #63d7dc;
  --green: #247f49;
  --gold: #a96d16;
  --red: #b73737;
  --shadow: 0 28px 90px rgba(16, 32, 51, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.48;
}

.logo-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  display: block;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 54px);
  color: var(--panel);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 32px rgba(16, 32, 51, 0.1);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.hero-actions,
.section-heading,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  width: 188px;
  height: 58px;
  overflow: hidden;
  border-radius: 8px;
}

.brand-logo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.site-nav {
  gap: clamp(16px, 3vw, 34px);
  font-size: 0.94rem;
  font-weight: 800;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  aspect-ratio: 1;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(360px, 1fr);
  gap: clamp(34px, 6vw, 90px);
  min-height: 92svh;
  align-items: center;
  padding: 122px clamp(20px, 6vw, 82px) 0;
  overflow: hidden;
  color: var(--panel);
  background:
    radial-gradient(circle at 78% 20%, rgba(99, 215, 220, 0.2), transparent 28%),
    linear-gradient(135deg, #0d1b2b 0%, #102033 52%, #123942 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, black, transparent 88%);
}

.hero-copy,
.hero-art,
.hero-strip {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--cyan);
}

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

h1 {
  max-width: 13ch;
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 7vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.15rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  line-height: 1.16;
}

.hero-copy p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 13px 19px;
  font-weight: 900;
  line-height: 1;
}

.button.primary {
  color: #07232a;
  background: var(--cyan);
}

.button.secondary {
  color: var(--panel);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.08);
}

.hero-art {
  min-height: clamp(360px, 54vw, 620px);
  align-self: stretch;
  pointer-events: none;
  display: grid;
  place-items: center;
  perspective: 1200px;
}

.logo-orbit {
  position: relative;
  width: 100%;
  max-width: 760px;
  height: clamp(260px, 30vw, 362px);
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
  animation: logo-drift 9s ease-in-out infinite;
}

.logo-orbit::before,
.logo-orbit::after {
  content: "";
  position: absolute;
  inset: 8% 12%;
  border: 1px solid rgba(99, 215, 220, 0.22);
  border-radius: 50%;
  transform: translateZ(-60px) rotate(-8deg);
}

.logo-orbit::after {
  inset: 18% 22%;
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateZ(-90px) rotate(14deg);
}

.logo-orbit img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 30px 44px rgba(0, 0, 0, 0.34));
  transform: translateZ(70px);
}

@keyframes logo-drift {
  0%,
  100% {
    transform: rotateX(2deg) rotateY(-10deg) rotateZ(-1deg) translateY(0);
  }

  50% {
    transform: rotateX(-2deg) rotateY(12deg) rotateZ(1deg) translateY(-10px);
  }
}

.hero-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: calc(100% + clamp(40px, 12vw, 164px));
  margin-left: calc(clamp(20px, 6vw, 82px) * -1);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.hero-strip span {
  min-height: 76px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  padding: 16px;
  text-align: center;
  font-weight: 900;
}

.section,
.platform,
.adoption,
.pilot {
  padding: clamp(72px, 10vw, 128px) clamp(20px, 6vw, 82px);
}

.problem,
.philosophy {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: end;
  background: var(--panel);
}

.problem > p,
.philosophy > p,
.adoption-copy p,
.pilot-copy p {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.platform {
  background: var(--soft);
}

.section-heading {
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
}

.platform-grid article {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--panel);
}

.platform-grid span {
  width: 42px;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 8px;
  color: var(--panel);
  background: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
}

.platform-grid p,
.engine-card p {
  color: var(--muted);
}

.solutions {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr 0.85fr;
  gap: 18px;
  background: var(--panel);
}

.solutions .section-heading {
  grid-column: 1 / -1;
}

.engine-card {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: linear-gradient(180deg, #ffffff, #f7fafc);
}

.engine-card.flagship {
  color: var(--panel);
  background:
    linear-gradient(135deg, rgba(27, 143, 149, 0.96), rgba(16, 32, 51, 0.96));
}

.engine-card.flagship p {
  color: rgba(255, 255, 255, 0.76);
}

.icon {
  width: 44px;
  display: block;
  aspect-ratio: 1;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--cyan) 0 48%, transparent 48%),
    linear-gradient(315deg, var(--teal) 0 48%, var(--soft) 48%);
}

.adoption {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
  background: var(--ink);
  color: var(--panel);
}

.adoption-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.adoption-panel {
  display: grid;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: clamp(20px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.08);
}

.guide-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 16px;
}

.guide-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.guide-row span {
  grid-row: span 2;
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 8px;
  color: #07232a;
  background: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
}

.guide-row strong {
  color: var(--panel);
  font-size: 1.05rem;
}

.guide-row p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.philosophy {
  background:
    linear-gradient(135deg, rgba(244, 247, 251, 0.96), rgba(255, 255, 255, 0.98)),
    var(--panel);
}

.pilot {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
  background: var(--panel);
}

.contact-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(20px, 4vw, 34px);
  background: var(--panel);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.button:focus-visible,
.nav-toggle:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(99, 215, 220, 0.42);
  outline-offset: 3px;
}

.site-footer {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(20px, 6vw, 82px);
  color: rgba(255, 255, 255, 0.74);
  background: #0d1b2b;
}

.site-footer span:first-child {
  color: var(--panel);
  font-weight: 900;
}

@media (max-width: 980px) {
  .hero,
  .problem,
  .solutions,
  .adoption,
  .philosophy,
  .pilot {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 104px;
  }

  .hero-strip {
    width: calc(100% + 40px);
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px;
    color: var(--ink);
    background: var(--panel);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 13px;
  }

  .hero-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: auto;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-art {
    min-height: 320px;
  }
}