:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* LAYOUT */
.wrap {
  max-width: 900px;
  margin: auto;
  padding: 0 24px;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  padding: 28px 0;
  align-items: center;
}

.brand {
  font-size: 1.3rem;
  font-weight: 900;
}

.actions {
  display: flex;
  gap: 12px;
}

.btn {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.btn.secondary {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn.primary {
  background: #0f172a;
  color: white;
}

/* HERO */
.hero {
  padding: 140px 0 100px;
}

.hero h1 {
  font-size: 4.5rem;
  line-height: 1.05;
  margin: 0;
  font-weight: 900;
}

.hero p {
  margin-top: 24px;
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 540px;
}

/* FLOW */
.flow {
  margin-top: 140px;
}

.step {
  margin-bottom: 100px;
}

.step h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.step p {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
}

/* FINAL */
.final {
  margin: 140px 0;
}

.final h2 {
  font-size: 2.8rem;
  font-weight: 900;
}

.final p {
  font-size: 1.2rem;
  color: var(--muted);
}

/* FOOTER */
footer {
  padding: 50px 0;
  color: var(--muted);
}

/* FLOATING BUTTON */
.floating-subscribe {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: white;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* MODAL */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  padding: 30px;
  border-radius: 16px;
  width: 320px;
  position: relative;
}

.price {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.modal input {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.modal button {
  width: 100%;
  padding: 12px;
  background: #0f172a;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.close {
  position: absolute;
  top: 10px;
  right: 12px;
  cursor: pointer;
}

.trust {
  margin-top: 80px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 700px;
  margin-bottom: 16px;
}

.trust .highlight {
  color: var(--text);
  font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .hero h1 { font-size: 2.6rem; }
  .step h2 { font-size: 1.6rem; }
  .step p { font-size: 1rem; }
}