:root {
  color-scheme: dark;
  --blue-900: #041326;
  --blue-800: #062454;
  --blue-700: #0a4f9f;
  --blue-600: #19a7ff;
  --blue-100: #c8f3ff;
  --red-700: #a9051d;
  --red-500: #f12d42;
  --red-100: #ffe4e9;
  --ink: #03101f;
  --white: #f5fbff;
  --muted: rgba(232, 247, 255, 0.78);
  --line: rgba(255, 255, 255, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(3, 13, 31, 0.92), rgba(4, 25, 58, 0.7) 46%, rgba(4, 22, 49, 0.44)),
    radial-gradient(circle at 22% 18%, rgba(63, 199, 255, 0.24), transparent 26rem),
    url("assets/blue-high-tech-background.png") center / cover fixed,
    #041326;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 52px;
}

.brand,
.nav-link,
.button {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(1rem, 1rem + 0.25vw, 1.18rem);
  font-weight: 800;
}

.brand-logo {
  display: block;
  width: clamp(189px, 26.25vw, 309px);
  aspect-ratio: 5 / 4;
  object-fit: fill;
  object-position: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  box-shadow:
    0 14px 32px rgba(1, 12, 31, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.nav-link {
  padding: 10px 0;
  color: var(--blue-100);
  font-size: 0.95rem;
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 720px);
  align-items: center;
  min-height: calc(100vh - 196px);
  padding: 70px 0 56px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--blue-100);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.15rem, 8vw, 7.6rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.lede {
  max-width: 620px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1rem + 0.7vw, 1.42rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 850;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--white);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.1);
}

.button-email {
  border: 1px solid rgba(255, 228, 233, 0.46);
  color: var(--red-100);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent),
    var(--red-700);
  box-shadow: 0 12px 28px rgba(169, 5, 29, 0.32);
}

.button-email:hover {
  border-color: rgba(255, 228, 233, 0.72);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent),
    var(--red-500);
}

.button-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  flex: 0 0 auto;
}

.focus-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.focus-band article {
  min-height: 220px;
  padding: 26px;
  background: rgba(4, 33, 78, 0.48);
}

.number {
  color: var(--blue-100);
  font-size: 0.78rem;
  font-weight: 950;
}

.focus-band h2 {
  margin: 36px 0 12px;
  font-size: 1.45rem;
}

.focus-band p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
    padding: 54px 0 34px;
  }

}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
    padding-top: 18px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-logo {
    width: 189px;
  }

  h1 {
    font-size: clamp(2.6rem, 18vw, 4.65rem);
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .focus-band article {
    padding: 20px;
  }
}