:root {
  color-scheme: dark;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  margin: 0;
  background: radial-gradient(120% 140% at 20% 20%, #1d2a44 0%, #0b0f19 55%, #070a12 100%);
  color: #e2e8f0;
}

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

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
}

p {
  margin: 0;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(99, 102, 241, 0.40);
}

.btn-outline {
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: #e2e8f0;
  background: transparent;
}

.btn-outline:hover {
  border-color: rgba(226, 232, 240, 0.55);
  background: rgba(148, 163, 184, 0.12);
}

.hero {
  padding: 48px clamp(20px, 6vw, 80px) 40px;
  min-height: 90vh;
  background: linear-gradient(160deg, rgba(79, 70, 229, 0.25) 0%, rgba(14, 116, 144, 0.25) 50%, rgba(7, 10, 18, 0.9) 100%);
}

.hero__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.hero__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__logo {
  width: 52px;
  height: 52px;
}

.hero__wordmark {
  height: 48px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__content {
  margin-top: clamp(48px, 8vw, 80px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(32px, 6vw, 60px);
  align-items: center;
}

.hero__copy h1 {
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.1;
  margin-bottom: 18px;
}

.hero__copy p {
  max-width: 540px;
  font-size: 18px;
  color: rgba(226, 232, 240, 0.85);
  margin-bottom: 28px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(148, 163, 184, 0.16);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__card {
  background: rgba(12, 17, 27, 0.78);
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.45);
  padding: 26px;
  display: grid;
  gap: 18px;
}

.hero__metric-label {
  font-size: 13px;
  color: rgba(226, 232, 240, 0.64);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__metric-value {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
}

.features {
  padding: clamp(60px, 8vw, 100px) clamp(20px, 6vw, 80px);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(18px, 4vw, 28px);
}

.feature {
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 16px;
  padding: 24px;
  display: grid;
  gap: 14px;
  backdrop-filter: blur(8px);
}

.feature__icon {
  font-size: 28px;
}

.feature h3 {
  font-size: 18px;
}

.feature p {
  font-size: 15px;
  color: rgba(226, 232, 240, 0.75);
}

.questionnaire {
  padding: 0 clamp(20px, 6vw, 80px);
}

.questionnaire__card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(14, 165, 233, 0.18));
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  padding: clamp(32px, 6vw, 48px);
  display: grid;
  gap: 18px;
}

.questionnaire__list {
  margin: 0;
  padding-left: 20px;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.7;
}

.cta {
  padding: clamp(60px, 8vw, 100px) clamp(20px, 6vw, 80px) clamp(80px, 12vw, 140px);
  text-align: center;
  display: grid;
  gap: 18px;
  background: radial-gradient(80% 120% at 50% 0%, rgba(37, 99, 235, 0.18), rgba(15, 23, 42, 0.92));
}

.cta p {
  color: rgba(226, 232, 240, 0.72);
  font-size: 18px;
}

.cta__buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  padding: 32px clamp(20px, 6vw, 80px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  color: rgba(226, 232, 240, 0.64);
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(7, 10, 18, 0.85);
}

.footer__links {
  display: flex;
  gap: 16px;
}

.footer__links a {
  color: inherit;
}

.footer__links a:hover {
  color: #ffffff;
}

@media (max-width: 720px) {
  .hero {
    padding-top: 32px;
  }
  .hero__actions {
    width: 100%;
    justify-content: flex-start;
  }
  .hero__content {
    grid-template-columns: 1fr;
  }
  .hero__card {
    order: -1;
  }
}