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

:root {
  --bg: #0c0f14;
  --surface: #151a22;
  --border: #252d3a;
  --text: #eef2f7;
  --muted: #8b97a8;
  --accent: #5eead4;
  --accent-dim: #2dd4bf33;
  --pro: #a78bfa;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto 2rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #042f2e;
  font-weight: 600;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-dim);
}

.cta:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}

section {
  padding: 3rem 0;
}

h2 {
  text-align: center;
  margin: 0 0 2rem;
  font-size: 1.75rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  margin: 0.75rem 0;
}

.price span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 400;
}

.card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.card li + li {
  margin-top: 0.35rem;
}

.card.pro {
  border-color: #a78bfa55;
}

.steps {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.step {
  text-align: center;
  padding: 1rem;
}

.step-num {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
}

.status {
  margin-top: 0.75rem;
  min-height: 1.25rem;
  font-size: 0.875rem;
  color: #f87171;
}

.status.ok {
  color: var(--accent);
}