:root {
  --bg: #0a0e14;
  --bg-card: #121a24;
  --text: #e8eef7;
  --muted: #8fa3bf;
  --accent: #3ddc97;
  --accent-dim: rgba(61, 220, 151, 0.12);
  --border: #243044;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #1fa86a);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #062015;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 12px;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #062015;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-lg {
  padding: 16px 28px;
  font-size: 16px;
  width: 100%;
  max-width: 360px;
}

.hero {
  padding: 56px 0 48px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0 auto 28px;
  max-width: 560px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.features {
  padding: 24px 0 56px;
}

.features h2,
.steps h2,
.faq h2 {
  margin: 0 0 24px;
  font-size: 24px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.card-icon {
  font-size: 28px;
  margin-bottom: 10px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.steps {
  padding: 16px 0 56px;
}

.step-list {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #243044;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--accent);
}

.step h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.faq {
  padding: 16px 0 56px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 10px;
  background: var(--bg-card);
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  padding: 40px 0 64px;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, rgba(61, 220, 151, 0.14), rgba(61, 220, 151, 0.04));
  border: 1px solid rgba(61, 220, 151, 0.35);
  border-radius: 20px;
  padding: 36px 24px;
}

.cta-box h2 {
  margin: 0 0 10px;
  font-size: 26px;
}

.cta-box p {
  margin: 0 0 24px;
  color: var(--muted);
}

footer {
  padding: 24px 0 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

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

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }

  .btn-lg {
    width: auto;
  }
}