@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;600&family=Syne:wght@400;500&display=swap');

:root {
  --bg-primary: #070913;
  --bg-secondary: #0e122b;
  --accent: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --accent-color: #8b5cf6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(14, 18, 43, 0.7);
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 500;
  letter-spacing: -0.02em;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Эффект анимированного фонового свечения */
.ambient-glow {
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, rgba(6, 182, 212, 0) 70%);
  top: 10%;
  left: -10%;
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
  animation: floatGlow 20s infinite alternate ease-in-out;
}
@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(80px, 120px) scale(1.15); }
}

header {
  border-bottom: 1px solid var(--glass-border);
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-section img {
  width: 32px;
  height: 32px;
}
.logo-section span {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}
.nav-links a:hover {
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.burger-menu {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-main);
}

.btn-cta {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

.hero-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-content p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.hero-image-wrapper img {
  width: 100%;
  display: block;
}

.stats-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 20px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}
.stat-card h3 {
  font-size: 3rem;
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.features-section {
  max-width: 1200px;
  margin: 100px auto;
  padding: 0 20px;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.features-img-wrapper {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.features-img-wrapper img {
  width: 100%;
  display: block;
}
.features-list {
  list-style: none;
  margin-top: 24px;
}
.features-list li {
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.features-list li i {
  color: var(--accent-color);
  margin-top: 4px;
}

.services-summary {
  max-width: 1200px;
  margin: 100px auto;
  padding: 0 20px;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 48px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  transition: transform 0.2s;
}
.service-card:hover {
  transform: translateY(-8px);
}
.service-card i {
  font-size: 2.5rem;
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}
.service-card h3 {
  margin-bottom: 12px;
}

.pricing-section {
  max-width: 1200px;
  margin: 100px auto;
  padding: 0 20px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}
.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card.premium {
  border: 2px solid var(--accent-color);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.15);
}
.popular-badge {
  position: absolute;
  top: -15px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.price {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 20px 0;
}
.price span {
  font-size: 1rem;
  color: var(--text-muted);
}
.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}
.pricing-features li {
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
}

.social-proof {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 20px;
  text-align: center;
}
.brand-logos {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 40px;
  opacity: 0.6;
  margin-bottom: 60px;
}
.brand-logos i {
  font-size: 3rem;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.testimonial-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 30px;
  text-align: left;
}
.testimonial-card p {
  font-style: italic;
  margin-bottom: 20px;
}
.client-info h4 {
  color: var(--accent-color);
}

.form-section {
  max-width: 800px;
  margin: 100px auto;
  padding: 0 20px;
}
.form-container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 50px;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(7, 9, 19, 0.5);
  color: #fff;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.checkbox-group input {
  width: auto;
  margin-top: 4px;
}

.trust-layer {
  max-width: 1200px;
  margin: 80px auto 40px auto;
  padding: 0 20px;
}
.trust-box {
  background: rgba(14, 18, 43, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 30px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.trust-box h3 {
  color: var(--text-main);
  margin-bottom: 12px;
}

footer {
  border-top: 1px solid var(--glass-border);
  background: #04050b;
  padding: 60px 20px 30px 20px;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
}

.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 600px;
  background: rgba(14, 18, 43, 0.95);
  border: 1px solid var(--glass-border);
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Spinner для кнопки отправки */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
  margin-right: 8px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media(max-width: 1024px) {
  .hero-section, .features-grid, .pricing-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media(max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
  }
  .nav-links.nav-active {
    display: flex;
  }
  .burger-menu {
    display: block;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}
@media(max-width: 480px) {
  .footer-container {
    grid-template-columns: 1fr;
  }
}