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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background-color: #f9fafb;
  line-height: 1.5;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: rgba(249, 250, 251, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e5e7eb;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #f9fafb;
  font-size: 16px;
}

.logo-text {
  font-size: 18px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 15px;
}

.main-nav a {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: #4b5563;
}

.main-nav a:hover {
  border-color: #1d4ed8;
  color: #111827;
}

.main-nav .nav-cta {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #1d4ed8;
  color: #1d4ed8;
}

.main-nav .nav-cta:hover {
  background-color: #1d4ed8;
  color: #f9fafb;
}

.hero {
  padding: 40px 0 32px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 32px;
  align-items: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: #e0f2fe;
  color: #075985;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 12px;
}

.hero-subtitle {
  margin: 0 0 20px;
  color: #4b5563;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #f9fafb;
}

.btn.primary:hover {
  background: linear-gradient(135deg, #1e40af, #1d4ed8);
}

.btn.primary.light {
  background: #f9fafb;
  color: #1d4ed8;
  border-color: rgba(191, 219, 254, 0.8);
}

.btn.primary.light:hover {
  background: #eff6ff;
}

.btn.secondary {
  background-color: #ffffff;
  color: #111827;
  border-color: #e5e7eb;
}

.btn.secondary:hover {
  border-color: #cbd5f5;
  background-color: #f9fafb;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #6b7280;
}

.hero-meta span::before {
  content: "• ";
  color: #9ca3af;
}

.hero-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 20px 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
  border: 1px solid #e5e7eb;
}

.hero-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  color: #4b5563;
}

.section {
  padding: 32px 0;
}

.section-muted {
  background-color: #f3f4f6;
}

.section-cta {
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: #e5f0ff;
  padding: 32px 0;
}

.section-header {
  margin-bottom: 20px;
}

.section-header h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.section-header p {
  margin: 0;
  color: #6b7280;
  max-width: 32rem;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 18px 16px;
  border: 1px solid #e5e7eb;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 16px;
}

.card p {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 14px;
  color: #4b5563;
}

.card-list {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  color: #4b5563;
}

.steps .step-item {
  position: relative;
  padding: 16px 14px 14px;
  border-radius: 14px;
  background-color: #ffffff;
  border: 1px dashed #d1d5db;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background-color: #eff6ff;
  color: #1d4ed8;
  margin-bottom: 6px;
}

.step-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.step-item p {
  margin: 0;
  font-size: 14px;
  color: #4b5563;
}

.articles-preview .article-card {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 16px 14px;
  border: 1px solid #e5e7eb;
}

.article-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.article-card p {
  margin: 0 0 10px;
  font-size: 14px;
  color: #4b5563;
}

.link-arrow {
  font-size: 13px;
  color: #1d4ed8;
}

.link-arrow::after {
  content: "→";
  margin-left: 4px;
}

.section-cta .cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.section-cta h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.section-cta p {
  margin: 0;
  font-size: 14px;
  max-width: 32rem;
}

.site-footer {
  background-color: #020617;
  color: #9ca3af;
  padding: 24px 0 16px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr) minmax(0, 1.3fr);
  gap: 18px;
  font-size: 14px;
}

.footer-logo .logo-mark {
  background: #111827;
}

.footer-logo .logo-text {
  color: #e5e7eb;
}

.footer-note {
  margin-top: 8px;
  margin-bottom: 0;
  max-width: 24rem;
}

.footer-col h4 {
  margin: 0 0 8px;
  color: #e5e7eb;
  font-size: 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: 4px;
}

.footer-col a {
  color: #9ca3af;
  font-size: 14px;
}

.footer-col a:hover {
  color: #e5e7eb;
}

.footer-bottom {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid #111827;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: #6b7280;
}

.page {
  padding: 32px 0;
}

.page-header {
  margin-bottom: 20px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.page-header p {
  margin: 0;
  color: #6b7280;
  max-width: 32rem;
}

.page-content {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 28px;
}

.page-main {
  font-size: 15px;
  color: #374151;
}

.page-main h2 {
  font-size: 18px;
  margin-top: 22px;
  margin-bottom: 8px;
}

.page-main p {
  margin-top: 0;
  margin-bottom: 10px;
}

.page-main ul {
  margin-top: 0;
  margin-bottom: 10px;
  padding-left: 20px;
}

.page-aside {
  font-size: 14px;
}

.aside-card {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 16px 14px;
  border: 1px solid #e5e7eb;
}

.aside-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.aside-card p {
  margin: 0 0 6px;
  color: #4b5563;
}

.aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.aside-list li + li {
  margin-top: 4px;
}

.contacts-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contacts-list li + li {
  margin-top: 8px;
}

.contacts-label {
  display: block;
  font-size: 13px;
  color: #6b7280;
}

.contacts-value {
  font-size: 15px;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-list li {
  padding: 12px 0;
  border-bottom: 1px solid #e5e7eb;
}

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

.article-meta {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 6px;
}

.article-list p {
  margin: 0;
  font-size: 14px;
  color: #4b5563;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 2fr) minmax(0, 2fr);
  }

  .page-content {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }
}

@media (max-width: 700px) {
  .site-header .container {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    font-size: 14px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
  }

  .hero h1 {
    font-size: 26px;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-cta .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-content {
    grid-template-columns: minmax(0, 1fr);
  }
}