*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0f1a;
  --text: #e8edf5;
  --text-muted: #8b9bb4;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --glow: rgba(59, 130, 246, 0.25);
}

html {
  font-size: 16px;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--glow), transparent),
    var(--bg);
}

.hero__content {
  max-width: 36rem;
  text-align: center;
}

.hero__title {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

.hero__button {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 24px var(--glow);
}

.hero__button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 32px var(--glow);
}

.hero__button:active {
  transform: translateY(0);
}