:root {
  color-scheme: light;
  --ink: #172029;
  --muted: #5f6973;
  --paper: #ffffff;
  --line: rgba(23, 32, 41, 0.12);
  --accent: #d42b45;
  --accent-soft: rgba(212, 43, 69, 0.12);
  --mint: #dff4ee;
  --sky: #e7f2ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, var(--sky), transparent 30%),
    radial-gradient(circle at 86% 18%, var(--mint), transparent 28%),
    linear-gradient(145deg, #fbfcff 0%, #f5f7f8 54%, #ffffff 100%);
}

.landing {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.landing::before,
.landing::after {
  content: "";
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 999px;
  transform: rotate(-14deg);
  pointer-events: none;
}

.landing::before {
  width: min(78vw, 760px);
  height: min(78vw, 760px);
  right: -280px;
  bottom: -340px;
}

.landing::after {
  width: min(54vw, 520px);
  height: min(54vw, 520px);
  left: -240px;
  top: -260px;
}

.hero {
  width: min(100%, 920px);
  display: grid;
  justify-items: center;
  gap: 34px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo {
  width: clamp(150px, 22vw, 230px);
  height: auto;
  display: block;
  filter: drop-shadow(0 18px 34px rgba(23, 32, 41, 0.12));
}

h1 {
  max-width: 880px;
  margin: 0;
  padding: clamp(28px, 5vw, 56px);
  font-size: clamp(1.4rem, 3.5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(23, 32, 41, 0.12);
  backdrop-filter: blur(18px);
}

h1 span {
  display: block;
  margin-top: 18px;
  font-size: clamp(1rem, 2.4vw, 1.8rem);
  line-height: 1.32;
  font-weight: 600;
  color: var(--muted);
}

h1::selection {
  color: #ffffff;
  background: var(--accent);
}

@media (max-width: 640px) {
  .landing {
    padding: 24px;
  }

  .hero {
    gap: 26px;
  }

  h1 {
    font-size: clamp(1.1rem, 7vw, 1.72rem);
    line-height: 1.12;
  }

  h1 span {
    margin-top: 14px;
    font-size: clamp(0.95rem, 4.8vw, 1.18rem);
  }
}
