:root {
  --primary: #1E3A8A;
  --secondary: #0F172A;
  --accent: #F43F5E;
  --support: #14B8A6;
  --background: #F8FAFC;
  --text: #111827;
  --border: #E5E7EB;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 16px;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  height: 50px;
}

.logo-footer {
  height: 100px;
  margin-bottom: 12px;
}

.main-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.main-nav a {
  font-weight: 600;
  color: var(--secondary);
}

.burger {
  display: none;
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle {
  display: none;
}

.close-menu {
  display: none;
  font-size: 32px;
  color: #fff;
  align-self: flex-end;
  margin: 20px;
  cursor: pointer;
}

.hero {
  padding: 80px 0;
  background: linear-gradient(120deg, #ffffff 0%, #eef2ff 100%);
}

.small-hero {
  padding: 60px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-tags span {
  display: inline-block;
  margin: 8px 8px 0 0;
  padding: 6px 12px;
  background: var(--support);
  color: #fff;
  border-radius: 20px;
  font-size: 14px;
}

section {
  padding: 70px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.05);
}

.method-grid, .benefits-grid, .contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

ul {
  padding-left: 20px;
}

.faq details {
  background: #fff;
  margin-bottom: 12px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

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

.contact-cta {
  background: #fff;
  border-top: 1px solid var(--border);
}

.form {
  display: grid;
  gap: 12px;
}

.form input, .form textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 16px;
}

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

.keywords-line {
  margin-top: 30px;
  text-align: center;
  color: var(--secondary);
}

.site-footer {
  background: var(--secondary);
  color: #fff;
  padding: 50px 0 20px;
}

.site-footer p, .site-footer a {
  color: #e2e8f0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.footer-nav, .legal-nav {
  display: grid;
  gap: 8px;
}

.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 24px;
  padding-top: 20px;
  text-align: center;
}

.legal-nav {
  display: inline-flex;
  gap: 16px;
}

.legal {
  padding: 80px 0;
}

.legal h2 {
  margin-top: 30px;
}

.thanks {
  padding: 80px 0;
}

.thanks-details {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 20px 0;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px;
  display: none;
  z-index: 999;
}

.cookie-content {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--secondary);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateX(100%);
  }

  .main-nav a {
    color: #fff;
    font-size: 20px;
  }

  .burger {
    display: block;
  }

  .nav-toggle:checked + .burger + .main-nav {
    transform: translateX(0);
  }

  .close-menu {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  section {
    padding: 50px 0;
  }
  .hero {
    padding: 60px 0;
  }
}