:root {
  --bg: #fafbfc;
  --bg-soft: #f0f4f8;
  --text: #1a2332;
  --muted: #5a6578;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --gold: #b8860b;
  --cta: #1d4ed8;
  --cta-hover: #1e40af;
  --white: #fff;
  --radius: 12px;
  --shadow: 0 16px 48px rgba(26, 35, 50, 0.08);
  --max: 720px;
}

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

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.header {
  padding: 1rem 0;
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(145deg, #60a5fa, var(--brand-dark));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
}

.logo-text { font-weight: 750; font-size: 1.12rem; letter-spacing: -0.02em; }
.logo-sub { display: block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }

.section { padding: 2.5rem 0; }
.section-soft { background: var(--bg-soft); }

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 5vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-price {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.hero-price s { color: var(--muted); font-weight: 500; }
.hero-price strong { color: var(--brand-dark); }

.lead { margin: 0 0 1.25rem; color: var(--muted); font-size: 1.05rem; }
.muted { color: var(--muted); font-size: 0.92rem; }
.center { text-align: center; }

.pill {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.btn {
  display: inline-block;
  padding: 1rem 1.5rem;
  border: 0;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  background: var(--cta);
  color: white;
  box-shadow: 0 8px 24px rgba(29, 78, 216, 0.25);
}

.btn:hover { background: var(--cta-hover); color: white; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.stack-list { margin: 1rem 0; padding-left: 1.1rem; }
.stack-list li { margin-bottom: 0.65rem; }

.anchor-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-soft);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.guarantee {
  margin-top: 1.25rem;
  padding: 1rem;
  border-left: 4px solid var(--gold);
  background: #fffbeb;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.progress { font-size: 0.85rem; font-weight: 650; color: var(--muted); margin-bottom: 1rem; }
.question { font-size: 1.2rem; margin: 0 0 1rem; }

.choices { display: grid; gap: 0.6rem; }

.choice {
  width: 100%;
  padding: 0.9rem 1rem;
  text-align: left;
  font: inherit;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
}

.choice:hover, .choice[aria-pressed="true"] {
  border-color: var(--brand);
  background: #eff6ff;
}

.step[hidden] { display: none; }

.field { margin-bottom: 1rem; }
.field label { display: block; margin-bottom: 0.35rem; font-weight: 600; }
.field input, .field textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 8px;
  font: inherit;
}

.nav { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; align-items: center; }
.back { background: none; border: 0; color: var(--brand); font: inherit; cursor: pointer; }
.status { margin-top: 0.75rem; font-size: 0.9rem; }
.status.err { color: #991b1b; }

.footer { padding: 2rem 0; font-size: 0.85rem; color: var(--muted); border-top: 1px solid rgba(0,0,0,0.06); }

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