:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #aab8d1;
  --deep: #061424;
  --panel: #10233f;
  --panel-2: #162b4d;
  --line: rgba(173, 204, 255, 0.18);
  --cyan: #62f5de;
  --gold: #ffd86b;
  --coral: #ff7d78;
  --blue: #6aa6ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(98, 245, 222, 0.14), transparent 32rem),
    linear-gradient(135deg, #061424 0%, #0b1728 44%, #141d2f 100%);
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 20, 36, 0.84);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(98, 245, 222, 0.7);
  color: var(--cyan);
  background: rgba(98, 245, 222, 0.08);
  font-size: 13px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

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

.nav-cta {
  padding: 11px 16px;
  border: 1px solid rgba(98, 245, 222, 0.75);
  color: var(--cyan) !important;
  border-radius: 8px;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(52px, 7vw, 96px) clamp(20px, 5vw, 72px);
}

.hero-copy,
.hero-media {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7.2vw, 92px);
  line-height: 0.94;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.02;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-text,
.text-block p,
.research-card p,
.business p,
.contact p,
.solution p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 30px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  border-radius: 8px;
}

.button.primary {
  background: var(--cyan);
  color: #04131f;
}

.button.secondary {
  border-color: rgba(255, 216, 107, 0.55);
  color: var(--gold);
  background: rgba(255, 216, 107, 0.08);
}

.hero-media {
  padding: 12px;
  border: 1px solid rgba(98, 245, 222, 0.5);
  background: rgba(16, 35, 63, 0.8);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.demo-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 320px;
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(135deg, rgba(98, 245, 222, 0.12), rgba(106, 166, 255, 0.08));
  border-radius: 6px;
}

.demo-card h2 {
  font-size: clamp(26px, 3.4vw, 40px);
}

.demo-card p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.metrics,
.solution,
.product,
.research,
.business,
.contact,
.split {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 0;
}

.metrics article,
.solution-grid article,
.business-grid article,
.research-card,
.contact {
  border: 1px solid var(--line);
  background: rgba(16, 35, 63, 0.72);
  border-radius: 8px;
}

.metrics article {
  padding: 24px;
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 18px;
}

.metrics span {
  color: var(--muted);
  line-height: 1.5;
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.solution {
  background: rgba(255, 255, 255, 0.035);
}

.solution-grid,
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.solution-grid article,
.business-grid article {
  padding: 26px;
}

.solution-grid span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--coral);
  font-weight: 900;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.module-grid article {
  display: flex;
  align-items: center;
  min-height: 92px;
  padding: 18px;
  border: 1px solid rgba(98, 245, 222, 0.2);
  background: linear-gradient(135deg, rgba(98, 245, 222, 0.1), rgba(106, 166, 255, 0.08));
  border-radius: 8px;
  color: var(--ink);
  font-weight: 800;
}

.research-card {
  max-width: 980px;
  padding: clamp(28px, 5vw, 56px);
}

blockquote {
  margin: 24px 0;
  padding-left: 22px;
  border-left: 4px solid var(--gold);
  color: var(--ink);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.22;
  font-weight: 800;
}

.research-card a {
  color: var(--cyan);
  font-weight: 800;
}

.business {
  border-top: 1px solid var(--line);
}

.contact {
  max-width: calc(100% - clamp(40px, 10vw, 144px));
  margin: 0 auto clamp(56px, 7vw, 86px);
  padding: clamp(30px, 6vw, 64px);
  background:
    linear-gradient(135deg, rgba(98, 245, 222, 0.14), rgba(255, 125, 120, 0.08)),
    rgba(16, 35, 63, 0.82);
}

.contact h2 {
  max-width: 760px;
}

.contact p {
  max-width: 760px;
}

.legal-note {
  margin: 24px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(6, 20, 36, 0.46);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  border-radius: 8px;
}

.founder-contact {
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) repeat(2, minmax(220px, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.founder-contact div,
.founder-contact a {
  display: flex;
  min-height: 72px;
  flex-direction: column;
  justify-content: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(6, 20, 36, 0.42);
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.founder-contact span {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.founder-contact strong,
.founder-contact a {
  font-weight: 800;
}

.founder-contact a:hover {
  border-color: rgba(98, 245, 222, 0.64);
  color: var(--cyan);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

@media (max-width: 1180px) {
  .nav {
    display: none;
  }

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

  .hero {
    min-height: auto;
  }

  .metrics,
  .solution-grid,
  .business-grid {
    grid-template-columns: 1fr;
  }

  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .founder-contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 68px;
  }

  .hero {
    padding-top: 34px;
  }

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

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .contact {
    max-width: calc(100% - 32px);
  }

  .footer {
    flex-direction: column;
  }
}