:root {
  --bg: #0b1220;
  --bg-soft: #111a2c;
  --card: #17233a;
  --text: #e8eefc;
  --muted: #9fb0d0;
  --brand: #18d4c6;
  --brand-dark: #0aa39a;
  --danger: #ff4d6d;
  --line: #283550;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #16315e 0%, var(--bg) 42%);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  background: rgba(7, 11, 21, 0.82);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
}

.logo img {
  width: 28px;
  height: 28px;
}

.logo-text {
  letter-spacing: 0.3px;
}

.logo-text span {
  color: var(--brand);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  padding: 0.75rem 1.1rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  color: #041016;
  background: linear-gradient(135deg, var(--brand) 0%, #3cf0e2 100%);
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: #1a2740;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  line-height: 1.2;
}

.hero p {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.promo-chip {
  display: inline-flex;
  margin-top: 1.2rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(24, 212, 198, 0.45);
  border-radius: 7px;
  color: #abfff8;
  background: rgba(24, 212, 198, 0.1);
  font-weight: 600;
}

.hero-card,
.card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  padding: 1rem;
}

.stats {
  display: grid;
  gap: 0.8rem;
}

.stats li {
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.65rem;
}

.stats li:last-child {
  border-bottom: 0;
}

section {
  padding: 2.4rem 0;
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid-3 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}

.card h3 {
  margin-top: 0.2rem;
}

.steps {
  counter-reset: st;
  display: grid;
  gap: 0.85rem;
}

.steps li {
  list-style: none;
  display: flex;
  gap: 0.8rem;
  padding: 0.8rem;
  background: var(--bg-soft);
  border-radius: 12px;
  border: 1px solid var(--line);
}

.steps li::before {
  counter-increment: st;
  content: counter(st);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-weight: 700;
  color: #071723;
  background: var(--brand);
}

.faq details {
  margin-bottom: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  padding: 0.75rem 0.9rem;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
}

.warning {
  margin-top: 1rem;
  padding: 0.8rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 77, 109, 0.45);
  background: rgba(255, 77, 109, 0.09);
  color: #ffd9e0;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
}

.small-links {
  display: flex;
  gap: 0.7rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}