:root {
  --ink: #070b12;
  --ink-elevated: #0e1522;
  --fog: #a8b4c8;
  --paper: #eef2f8;
  --delta: #2ea8ff;
  --delta-deep: #1570c4;
  --danger: #ff8a7a;
  --line: rgba(174, 198, 232, 0.14);
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  background: var(--ink);
  overflow-x: hidden;
}

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

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

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(46, 168, 255, 0.22), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(21, 112, 196, 0.18), transparent 50%),
    linear-gradient(180deg, #05080f 0%, #0a1220 45%, #070b12 100%);
}

.atmosphere__grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 75%);
}

.atmosphere__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: drift 18s ease-in-out infinite alternate;
}

.atmosphere__glow--a {
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  top: -8%;
  left: -6%;
  background: rgba(46, 168, 255, 0.35);
}

.atmosphere__glow--b {
  width: 36vw;
  height: 36vw;
  max-width: 440px;
  max-height: 440px;
  top: 18%;
  right: -8%;
  background: rgba(21, 112, 196, 0.3);
  animation-delay: -6s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(3%, 4%, 0) scale(1.08);
  }
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.header-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--delta);
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.header-cta:hover {
  border-color: currentColor;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(3.5rem, 12vh, 7rem) 1.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  animation: rise 700ms ease both;
}

.hero__mark {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 0 1px rgba(46, 168, 255, 0.25), 0 18px 50px rgba(0, 0, 0, 0.45);
  animation: rise 800ms 80ms ease both;
}

.hero__brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 9vw, 5.75rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  animation: rise 800ms 120ms ease both;
}

.hero__headline {
  margin: 1.15rem 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #d7e6f8;
  animation: rise 800ms 180ms ease both;
}

.hero__lede {
  margin: 1.1rem 0 0;
  max-width: 38rem;
  color: var(--fog);
  animation: rise 800ms 240ms ease both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
  animation: rise 800ms 300ms ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 0.35rem;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease,
    color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--delta), var(--delta-deep));
  color: #041018;
}

.btn--primary:hover {
  filter: brightness(1.06);
}

.btn--ghost {
  border: 1px solid rgba(174, 198, 232, 0.28);
  color: var(--paper);
  background: rgba(14, 21, 34, 0.35);
}

.btn--ghost:hover {
  border-color: rgba(46, 168, 255, 0.55);
  color: #fff;
}

.about,
.products {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 4.5rem;
}

.section-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--delta);
}

.about h2,
.products h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  letter-spacing: -0.03em;
}

.about p {
  max-width: 42rem;
  color: var(--fog);
  margin: 0 0 1rem;
}

.product-link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name go"
    "desc go";
  gap: 0.35rem 1.25rem;
  align-items: center;
  max-width: 42rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, border-color 160ms ease;
}

.product-link:hover {
  border-color: rgba(46, 168, 255, 0.4);
}

.product-link__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-link__desc {
  grid-area: desc;
  color: var(--fog);
  font-size: 0.98rem;
}

.product-link__go {
  grid-area: go;
  font-size: 1.6rem;
  color: var(--delta);
  transition: transform 160ms ease;
}

.product-link:hover .product-link__go {
  transform: translateX(4px);
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.disclosure {
  padding: 1.15rem 0 1.5rem;
  border-top: 1px solid var(--line);
}

.disclosure p {
  margin: 0;
  max-width: 48rem;
  font-size: 0.9rem;
  color: var(--fog);
}

.danger {
  color: var(--danger);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: #7f8ba0;
  font-size: 0.88rem;
}

.footer-meta p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
}

.footer-links a {
  color: #9aabbf;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.footer-links a:hover {
  color: var(--paper);
  border-color: currentColor;
}

@media (max-width: 640px) {
  .hero__mark {
    width: 80px;
    height: 80px;
  }

  .hero__actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .product-link {
    grid-template-columns: 1fr auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
