:root {
  --bg-color: #0B0F19;
  --text-light: #F3F4F6;
  --text-muted: #9CA3AF;
  --primary: #6366F1;
  --primary-hover: #4F46E5;
  --accent: #EC4899;
  --accent-glow: rgba(236, 72, 153, 0.15);
  --card-bg: #111827;
  --border-color: #1F2937;
  --font-title: 'Syne', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-light);
}

body {
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Эффект абстрактного светящегося фона */
.blur-blob {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}
.blob-1 { top: 10%; left: -100px; }
.blob-2 { top: 60%; right: -150px; }

/* Доступность: Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  z-index: 9999;
  text-decoration: none;
  border-radius: 5px;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 20px;
}

/* Header */
header {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-light);
}
.logo-area img {
  width: 40px;
  height: 40px;
}
.logo-area span {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -1px;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-light);
}
.btn-cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.burger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.75rem;
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-text h1 {
  font-family: var(--font-title);
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero-text h1 span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text p {
  color: var(--text-muted);
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
}
.hero-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  border: 1px solid var(--border-color);
}

/* Sections General */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
}

/* Asymmetrical Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}
.features-img img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.feature-item {
  display: flex;
  gap: 1.5rem;
}
.feature-item i {
  color: var(--accent);
  font-size: 1.75rem;
  margin-top: 0.25rem;
}
.feature-item h3 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.feature-item p {
  color: var(--text-muted);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  transition: transform 0.3s;
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
  transform: scale(1.05);
}
.pricing-card:hover {
  transform: translateY(-5px);
}
.badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: bold;
}
.pricing-card h3 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}
.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 2rem;
}
.price span {
  font-size: 1rem;
  color: var(--text-muted);
}
.pricing-card ul {
  list-style: none;
  margin-bottom: 2.5rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pricing-card ul li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}
.pricing-card ul li i {
  color: var(--primary);
}
.pricing-card .btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-light);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}
.pricing-card.featured .btn {
  background: var(--primary);
  border-color: var(--primary);
}
.pricing-card.featured .btn:hover {
  background: var(--primary-hover);
}

/* Lead Form Section */
.form-section {
  background: var(--card-bg);
  border-radius: 30px;
  border: 1px solid var(--border-color);
  padding: 4rem;
  max-width: 800px;
  margin: 4rem auto;
}
.form-section h2 {
  font-family: var(--font-title);
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.form-section p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
}
.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group.full-width {
  grid-column: span 2;
}
.form-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.form-group input, .form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 10px;
  color: var(--text-light);
  font-family: var(--font-body);
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  grid-column: span 2;
}
.checkbox-group input {
  margin-top: 0.25rem;
}
.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.checkbox-group a {
  color: var(--primary);
  text-decoration: none;
}
.form-submit-btn {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  padding: 1.25rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s;
}
.form-submit-btn:hover {
  opacity: 0.9;
}

/* Services Detail Page */
.services-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 6rem;
  margin-top: 4rem;
}
.service-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.service-detail-row:nth-child(even) .detail-text {
  order: 2;
}
.service-detail-row:nth-child(even) .detail-img {
  order: 1;
}
.detail-img img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--border-color);
}
.detail-text h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}
.detail-text p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* FAQ Page Accordion */
.faq-accordion {
  max-width: 800px;
  margin: 3rem auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-light);
  padding: 1.5rem;
  text-align: left;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question i {
  transition: transform 0.3s;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  color: var(--text-muted);
  padding: 0 1.5rem;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  max-height: 200px;
}

/* Contact Grid */
.contact-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  margin-top: 4rem;
}
.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.info-card {
  display: flex;
  gap: 1.5rem;
}
.info-card i {
  font-size: 2rem;
  color: var(--primary);
}
.info-card h4 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.info-card p {
  color: var(--text-muted);
}
.map-responsive {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 350px;
}
.map-responsive iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Trust Layer (Перед футером на всех страницах) */
.trust-layer {
  background: #0f1422;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 2rem;
  margin-top: 6rem;
}
.trust-content {
  max-width: 1200px;
  margin: 0 auto;
}
.trust-content h4 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}
.trust-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Footer */
footer {
  background: #0B0F19;
  padding: 4rem 2rem 2rem 2rem;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 3rem;
}
.footer-brand h4 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-links h5 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--text-light);
}
.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0 auto;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  max-width: 600px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.7);
  z-index: 10000;
  display: none;
}
.cookie-content h4 {
  font-family: var(--font-title);
  margin-bottom: 0.5rem;
}
.cookie-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.cookie-buttons {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}
.cookie-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  border: none;
}
.btn-accept {
  background: var(--primary);
  color: white;
}
.btn-decline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* Page 404 */
.err-container {
  max-width: 600px;
  margin: 8rem auto;
  text-align: center;
}
.err-container h1 {
  font-family: var(--font-title);
  font-size: 6rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.err-container p {
  color: var(--text-muted);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

/* Legal text styling */
.legal-wrapper {
  max-width: 850px;
  margin: 4rem auto;
  padding: 0 2rem;
}
.legal-wrapper h1 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  margin-bottom: 2rem;
}
.legal-wrapper h2 {
  font-family: var(--font-title);
  font-size: 1.6rem;
  margin: 2rem 0 1rem 0;
}
.legal-wrapper p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .pricing-card.featured {
    transform: none;
  }
  .contact-container {
    grid-template-columns: 1fr;
  }
  .service-detail-row {
    grid-template-columns: 1fr !important;
    gap: 2.5rem;
  }
  .service-detail-row:nth-child(even) .detail-text {
    order: 1;
  }
  .service-detail-row:nth-child(even) .detail-img {
    order: 2;
  }
}

@media (max-width: 768px) {
  .burger {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 73px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background: var(--bg-color);
    flex-direction: column;
    padding: 3rem 2rem;
    transition: left 0.3s ease;
    border-top: 1px solid var(--border-color);
  }
  .nav-links.active {
    left: 0;
  }
  .lead-form {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .checkbox-group {
    grid-column: span 1;
  }
  .form-submit-btn {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}