:root {
  --primary: #2563EB;
  --secondary: #7C3AED;
  --accent: #22C55E;
  --background: #0B1220;
  --surface: #111C33;
  --text: #F8FAFC;
  --muted: #94A3B8;
  --border: #23314F;
}

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

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

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

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

.section {
  padding: 80px 0;
}

.surface {
  background: var(--surface);
}

.hero {
  padding-top: 120px;
}

.grid-2 {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
}

.grid-3 {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

.cards .card, .faq-item, .form-card, .image-card {
  background: rgba(17, 28, 51, 0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
}

.image-card img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

h1, h2, h3, h4 {
  color: var(--text);
  font-weight: 700;
}

h1 {
  font-size: clamp(2.5rem, 3vw, 3.5rem);
  margin-bottom: 16px;
}

h2 {
  font-size: clamp(2rem, 2.2vw, 2.5rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.secondary {
  border-color: var(--primary);
  color: var(--text);
}

.cta-group {
  display: flex;
  gap: 16px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(11, 18, 32, 0.9);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

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

.logo-footer {
  height: 100px;
  width: auto;
  margin-bottom: 16px;
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

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

.nav-toggle,
.burger,
.nav-close {
  display: none;
}

.site-footer {
  background: #0A1020;
  padding: 60px 0 20px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

.footer-nav {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 32px;
  padding-top: 16px;
  text-align: center;
  color: var(--muted);
}

.contact-form label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0B1220;
  color: var(--text);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: rgba(17, 28, 51, 0.95);
  border-top: 1px solid var(--border);
  padding: 16px 0;
  display: none;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.keywords {
  margin-top: 24px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .grid-2, .grid-3, .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--background);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 999;
  }

  .nav ul {
    flex-direction: column;
    gap: 20px;
    font-size: 1.2rem;
  }

  .nav-toggle:checked ~ .nav {
    display: flex;
  }

  .burger {
    display: block;
    font-size: 2rem;
    color: var(--text);
    cursor: pointer;
  }

  .nav-close {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
  }

  .nav-toggle {
    display: none;
  }
}