:root {
  --primary: #0B1220;
  --secondary: #1D4ED8;
  --accent: #22C55E;
  --background: #F8FAFC;
  --text: #334155;
  --link: #38BDF8;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
}

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

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

.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

.header {
  background: var(--white);
  border-bottom: 1px solid #E2E8F0;
  z-index: 999;
}

.header.sticky {
  position: sticky;
  top: 0;
}

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

.logo__img {
  height: 50px;
  width: auto;
}

.footer-logo {
  height: 100px;
}

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

.nav a {
  font-weight: 500;
}

.nav a.active {
  color: var(--secondary);
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--secondary);
  color: var(--white);
}

.btn-primary:hover {
  background: #1E40AF;
}

.btn-ghost {
  background: transparent;
  border: 1px solid #CBD5F5;
  color: var(--primary);
}

.btn-ghost:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.btn-small {
  padding: 8px 14px;
  font-size: 14px;
}

.hero {
  padding: 70px 0;
  background: linear-gradient(135deg, #F1F5F9, #FFFFFF);
}

.hero.small {
  padding: 50px 0;
}

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

.hero__content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
  margin-bottom: 16px;
}

.hero__list {
  margin: 20px 0;
  padding-left: 18px;
}

.hero__list li {
  margin-bottom: 8px;
}

.section {
  padding: 70px 0;
  background: var(--white);
}

.section.light {
  background: var(--background);
}

.section__header {
  max-width: 760px;
  margin-bottom: 40px;
}

.section__header h2, .section__header h1 {
  color: var(--primary);
  margin-bottom: 12px;
}

.grid-2, .grid-3 {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.card h3 {
  margin-bottom: 12px;
  color: var(--primary);
}

.step__number {
  display: inline-block;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 10px;
}

.image-block {
  margin-top: 30px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #E2E8F0;
}

.comparison {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.comparison__col h3 {
  color: var(--primary);
  margin-bottom: 10px;
}

.comparison__col ul {
  padding-left: 18px;
}

.faq details {
  background: var(--white);
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  margin-bottom: 12px;
  padding: 16px 18px;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--primary);
}

.form {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
}

.form__grid {
  display: grid;
  gap: 18px;
  margin-bottom: 20px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input, textarea {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #CBD5E1;
  font-size: 16px;
  font-family: inherit;
}

input:focus, textarea:focus {
  outline: 2px solid #93C5FD;
  border-color: #93C5FD;
}

.footer {
  background: var(--primary);
  color: #E2E8F0;
  padding: 50px 0 20px;
}

.footer__grid {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.footer__nav h4 {
  color: #F8FAFC;
  margin-bottom: 12px;
}

.footer__nav ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.footer__nav a {
  color: #E2E8F0;
}

.footer__bottom {
  border-top: 1px solid #1E293B;
  margin-top: 30px;
  padding-top: 16px;
  text-align: center;
  color: #CBD5E1;
}

.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: 12px;
  padding: 16px 20px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
  display: none;
  gap: 20px;
  align-items: center;
  max-width: 980px;
  z-index: 1000;
}

.cookie-banner__content {
  flex: 1;
}

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

.menu-toggle {
  display: none;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.burger span {
  width: 26px;
  height: 2px;
  background: var(--primary);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  padding: 24px;
  z-index: 998;
}

.mobile-menu__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  font-weight: 600;
  color: var(--primary);
}

.mobile-menu__links {
  display: grid;
  gap: 18px;
}

.close {
  font-size: 22px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }
  .burger {
    display: flex;
  }
  .menu-toggle:checked ~ .mobile-menu {
    display: block;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 50px 0;
  }
  .section {
    padding: 50px 0;
  }
  .form {
    padding: 20px;
  }
  .cookie-banner {
    width: 90%;
    flex-direction: column;
    align-items: flex-start;
  }
}