:root {
  --bg: #0b1220;
  --bg-soft: #101a2e;
  --card: #16213a;
  --text: #eef2f8;
  --muted: #9aa7bd;
  --accent: #34e0a1;
  --accent-dark: #0f9d68;
  --border: #223154;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2 { line-height: 1.15; margin: 0 0 16px; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 1.85rem); }
p { color: var(--muted); }
.lead { font-size: 1.15rem; max-width: 540px; }

.hero {
  padding: 96px 0 64px;
  background: radial-gradient(circle at 20% -10%, rgba(52,224,161,0.16), transparent 55%), var(--bg);
  text-align: center;
}
.hero .wrap { display: flex; flex-direction: column; align-items: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(52,224,161,0.12);
  border: 1px solid rgba(52,224,161,0.3);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #06231a;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 32px;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 12px;
  transition: transform 0.15s ease, background 0.15s ease;
}
.cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }

.code {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.code button {
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.code button:hover { border-color: var(--accent); }
.code button.copied { color: var(--accent); border-color: var(--accent); }

section { padding: 56px 0; }
.steps { background: var(--bg-soft); }

.steps ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}
.steps li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.steps li p { margin: 4px 0 0; }
.num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #06231a;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tiers .sub { margin-top: -8px; }
.tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 28px 0 20px;
}
.tier {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 8px;
  text-align: center;
}
.tier .pct { display: block; font-size: 1.5rem; font-weight: 800; }
.tier .label { display: block; margin-top: 6px; font-size: 0.8rem; color: var(--muted); }
.tier.active { border-color: var(--accent); background: rgba(52,224,161,0.1); }
.tier.active .pct { color: var(--accent); }
.fine { font-size: 0.85rem; }

.what { background: var(--bg-soft); }

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 22px;
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 2px; }

.final-cta { text-align: center; padding: 72px 0 88px; }

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
footer p { font-size: 0.8rem; text-align: center; margin: 0; }

@media (max-width: 560px) {
  .tier-grid { grid-template-columns: repeat(2, 1fr); }
  .steps li { flex-direction: column; }
}