:root {
  --ink: #07151c;
  --snow: #eef6f8;
  --ice: #6ec1de;
  --sun: #f0a202;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--snow);
  background: var(--ink);
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: end start;
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(180deg, rgba(7, 21, 28, 0.15), rgba(7, 21, 28, 0.85)),
    radial-gradient(1000px 500px at 70% 20%, rgba(110, 193, 222, 0.35), transparent 60%),
    radial-gradient(800px 400px at 10% 80%, rgba(240, 162, 2, 0.22), transparent 55%),
    linear-gradient(160deg, #0a2430, #12384a 50%, #1a4d5f);
  animation: wash 12s ease-in-out infinite alternate;
}

.hero-inner {
  max-width: 40rem;
  animation: lift 0.9s ease both;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--ice);
  margin: 0 0 0.6rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 10vw, 6.5rem);
  margin: 0;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: rgba(238, 246, 248, 0.85);
  margin: 1rem 0 1.6rem;
  max-width: 32rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s ease;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--sun), #ffd06a);
  color: #1a1200;
}

.btn.ghost {
  border: 1px solid rgba(238, 246, 248, 0.35);
  color: var(--snow);
}

.block {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0;
}

.block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 0.75rem;
}

.block p {
  color: rgba(238, 246, 248, 0.78);
  line-height: 1.6;
  margin: 0;
  max-width: 40rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

footer {
  padding: 2rem;
  text-align: center;
  color: rgba(238, 246, 248, 0.45);
  font-size: 0.9rem;
}

@keyframes wash {
  from {
    filter: saturate(1);
  }
  to {
    filter: saturate(1.15) brightness(1.04);
  }
}

@keyframes lift {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}