:root {
  color-scheme: dark;
  --navy: #071b33;
  --ice: #eaf6ff;
  --accent: #efc94c;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
  margin: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: white;
  background:
    radial-gradient(circle at 20% 15%, rgba(54,151,224,.28), transparent 32rem),
    linear-gradient(145deg, var(--navy), #020a13 72%);
}

body::before, body::after {
  content: "";
  position: fixed;
  width: 42rem;
  height: 1px;
  background: rgba(255,255,255,.12);
  transform: rotate(-28deg);
  pointer-events: none;
}

body::before {
  left: -12rem;
  top: 25%;
  box-shadow: 0 22px rgba(255,255,255,.06), 0 44px rgba(255,255,255,.03);
}

body::after {
  right: -13rem;
  bottom: 20%;
  box-shadow: 0 -22px rgba(255,255,255,.06), 0 -44px rgba(255,255,255,.03);
}

main {
  width: min(92vw, 920px);
  padding: clamp(2rem, 6vw, 5.5rem);
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: clamp(2.7rem, 8vh, 5.5rem);
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .78rem;
}

.logo {
  width: clamp(5.8rem, 13vw, 8.3rem);
  height: auto;
  filter: drop-shadow(0 14px 22px rgba(0,0,0,.35));
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 10vw, 7.8rem);
  line-height: .88;
  letter-spacing: -.065em;
  text-wrap: balance;
}

h1 span {
  display: block;
  color: var(--accent);
}

p {
  max-width: 610px;
  margin: 2.2rem 0 0;
  color: rgba(234,246,255,.76);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin-top: 2rem;
  padding: .9rem 1.2rem;
  border-radius: 10px;
  color: var(--navy);
  background: var(--accent);
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 12px 26px rgba(239,201,76,.18);
}

.cta:hover { background: #ffe07a; }
.cta:focus-visible { outline: 3px solid white; outline-offset: 4px; }

.line {
  width: 5.5rem;
  height: .28rem;
  margin-top: 2.4rem;
  background: var(--accent);
  border-radius: 99px;
}

footer {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  translate: -50% 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .7rem 1.1rem;
  color: rgba(255,255,255,.42);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
footer a { color: rgba(255,255,255,.72); text-decoration: none; }
footer a:hover { color: white; text-decoration: underline; }

@media (max-width: 560px) {
  body { overflow: auto; }
  main { padding: 2rem 1.4rem 5rem; }
  .brand { margin-bottom: 3.2rem; }
  footer { bottom: 1rem; flex-wrap: wrap; width: calc(100% - 2rem); white-space: normal; }
}