:root {
  --brand: #43afc9;
  --brand-dark: #16829d;
  --sand: #f6eddb;
  --sky: #eaf8fb;
  --leaf: #74b783;
  --ink: #17313a;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 210, 90, 0.36) 0 8rem, transparent 8.2rem),
    radial-gradient(circle at 84% 15%, rgba(67, 175, 201, 0.22) 0 13rem, transparent 13.2rem),
    linear-gradient(180deg, var(--sky) 0%, #ffffff 48%, var(--sand) 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto 0 0 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  height: 34vh;
  background:
    radial-gradient(80% 65% at 18% 100%, rgba(22, 130, 157, 0.22) 0 28%, transparent 29%),
    radial-gradient(70% 70% at 52% 100%, rgba(67, 175, 201, 0.22) 0 30%, transparent 31%),
    radial-gradient(70% 70% at 85% 100%, rgba(116, 183, 131, 0.2) 0 27%, transparent 28%);
}

body::after {
  height: 17vh;
  background:
    repeating-radial-gradient(ellipse at center bottom, rgba(67, 175, 201, 0.25) 0 0.18rem, transparent 0.2rem 1.8rem),
    linear-gradient(180deg, transparent 0%, rgba(67, 175, 201, 0.1) 100%);
}

.site-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 4rem);
}

.card {
  width: min(100%, 760px);
  padding: clamp(2rem, 6vw, 4.8rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(67, 175, 201, 0.18);
  border-radius: 2rem;
  box-shadow: 0 1.5rem 4rem rgba(23, 49, 58, 0.11);
  backdrop-filter: blur(12px);
}

.logo {
  display: block;
  width: min(100%, 480px);
  height: auto;
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  mix-blend-mode: multiply;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 5rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: var(--brand-dark);
}

.domain {
  margin: 1rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: lowercase;
  color: rgba(23, 49, 58, 0.64);
}

@media (max-width: 520px) {
  .card {
    border-radius: 1.4rem;
  }

  .domain {
    letter-spacing: 0.1em;
  }
}