:root {
  --bg: #0f172a;
  --surface: #12233d;
  --surface-light: #1d2f52;
  --text: #f8fafc;
  --text-muted: #cbd5e1;
  --accent: #3b82f6;
  --accent-soft: #1d4ed8;
  --border: rgba(148, 163, 184, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: linear-gradient(180deg, #07101f 0%, #0f172a 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

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

.container {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 64px 16px;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.18), transparent 35%),
    radial-gradient(circle at bottom left, rgba(96, 165, 250, 0.11), transparent 25%),
    var(--bg);
}

.hero__text {
  max-width: 100%;
}

.section {
  padding: 64px 0;
}

.hero__content {
  max-width: 760px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  color: #bfdbfe;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 4rem);
  letter-spacing: -0.04em;
}

.hero__text {
  margin: 24px auto 32px;
  max-width: 680px;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 18px 40px rgba(59, 130, 246, 0.18);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.section {
  padding: 72px 0;
}

.section--white {
  background: rgba(255, 255, 255, 0.03);
}

.section--gray {
  background: rgba(255, 255, 255, 0.06);
}

h2 {
  margin: 0 0 32px;
  font-size: 2rem;
  text-align: center;
}

.cards,
.steps,
.faq {
  display: grid;
  gap: 24px;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card,
.step,
.faq__item {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.card h3,
.step h3,
.faq__item h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.card p,
.step p,
.faq__item p {
  margin: 0;
  color: var(--text-muted);
}

.steps {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step {
  display: grid;
  gap: 16px;
}

.step__number {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-inline: auto;
}

.features li {
  padding: 18px 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.faq {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.footer {
  padding: 48px 0;
  background: #081424;
}

.footer__content {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.footer__label {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.footer__phone {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.footer__note,
.footer__note-secondary,
.footer__site {
  margin: 6px 0 0;
  color: var(--text-muted);
}

.footer__site a {
  color: var(--accent);
}

@media (max-width: 920px) {
  .hero {
    padding: 56px 16px;
  }

  .hero__content {
    width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .hero {
    min-height: 80vh;
    padding: 40px 16px;
  }

  h1 {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .hero__actions {
    flex-direction: column;
    gap: 14px;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 48px 0;
  }

  .cards,
  .steps,
  .faq,
  .features {
    gap: 18px;
  }

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

@media (max-width: 520px) {
  .card,
  .step,
  .faq__item,
  .features li {
    padding: 22px;
  }

  .footer__phone {
    font-size: 1.4rem;
  }
}