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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: #f4f6fb;
  background: #0c0d12;
  line-height: 1.6;
}

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

.container {
  width: min(100%, 960px);
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  padding: 48px 0 32px;
  background: radial-gradient(circle at top, #25294a 0%, #0c0d12 62%);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.1);
}

h1 {
  margin: 16px 0 12px;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.15;
}

.lead {
  font-size: 16px;
  color: #c9cee8;
  max-width: 600px;
}

.lead a {
  color: #7dd3fc;
  border-bottom: 1px dashed rgba(125, 211, 252, 0.6);
}

.hero-actions {
  margin: 24px 0 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn,
.ghost {
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
}

.btn {
  background: #38bdf8;
  color: #0b1020;
}

.ghost {
  background: transparent;
  color: #dbe2ff;
  border: 1px solid rgba(219, 226, 255, 0.3);
}

.hero-card {
  display: grid;
  gap: 16px;
  background: rgba(18, 21, 38, 0.85);
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card p {
  margin: 6px 0 0;
  color: #c7cde6;
  font-size: 14px;
}

main {
  padding: 20px 0 48px;
}

.card {
  background: #131622;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: 0 12px 28px rgba(5, 7, 18, 0.3);
  transform: translateY(6px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.card.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.card p {
  margin: 0 0 12px;
  color: #d2d7f2;
}

.card ul {
  padding-left: 20px;
  margin: 0 0 12px;
  color: #d2d7f2;
}

.card li {
  margin-bottom: 6px;
}

.footer {
  padding: 24px 0 40px;
  color: #9aa3c7;
  font-size: 13px;
  background: #0b0c10;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-main {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .ghost {
    width: 100%;
  }

  .footer-main {
    flex-direction: column;
    align-items: flex-start;
  }
}