:root {
  --bg-top: #0a131d;
  --bg-bottom: #09111a;
  --card-top: rgba(25, 38, 52, 0.96);
  --card-bottom: rgba(13, 23, 35, 0.98);
  --border: rgba(155, 194, 220, 0.12);
  --text: #edf5fb;
  --accent-top: #c5ecff;
  --accent-bottom: #9fdaf2;
  --accent-text: #0b1623;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 12%, rgba(92, 155, 210, 0.14), transparent 24%),
    radial-gradient(circle at 85% 82%, rgba(126, 198, 236, 0.12), transparent 20%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

.page {
  min-height: 100vh;
  padding: 32px 18px;
  display: grid;
  place-items: center;
}

.hero-card {
  position: relative;
  overflow: hidden;
  width: min(100%, 840px);
  min-height: 420px;
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card-top), var(--card-bottom));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 28px 60px rgba(0, 0, 0, 0.22);
}

.hero-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -46px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(174, 225, 255, 0.14), transparent 65%);
  pointer-events: none;
}

.hero-card h1 {
  max-width: 520px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.primary-button {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 62px;
  padding: 0 30px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-top), var(--accent-bottom));
  color: var(--accent-text);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
  box-shadow:
    0 14px 30px rgba(128, 206, 245, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.48);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
}

.primary-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
  box-shadow:
    0 18px 38px rgba(128, 206, 245, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.primary-button.is-pressed {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .page {
    padding: 14px;
  }

  .hero-card {
    min-height: 360px;
    padding: 26px;
    border-radius: 22px;
  }

  .primary-button {
    width: 100%;
  }
}