:root {
  --bg-dark: #0f1115;
  --bg-surface: #171a21;
  --accent-solar: #f97316;
  --accent-emerald: #10b981;
  --text-white: #f3f4f6;
  --text-gray: #9ca3af;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Уникальный динамический графический элемент (Анимированная Световая Аура) */
.dynamic-glow {
  position: fixed;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 100%);
  border-radius: 50%;
  top: 15%;
  right: -10%;
  z-index: -1;
  pointer-events: none;
  animation: floatGlow 12s ease-in-out infinite alternate;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-80px, 50px) scale(1.15); }
}

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

header {
  background: rgba(23, 26, 33, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: 'Syne', sans-serif;
  font-weight: 500;
  color: var(--text-white);
  font-size: 1.4rem;
}

.logo img {
  width: 35px;
  height: 35px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

nav a {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

nav a:hover, nav a.active {
  color: var(--accent-solar);
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 100px 20px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-content h1 {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--accent-solar));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  color: var(--text-gray);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent-solar);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn:hover {
  background: #ea580c;
  transform: translateY(-2px);
}

.hero-img img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Sections */
section {
  padding: 80px 20px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 40px;
  text-align: center;
}

/* Asymmetrical Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.features-img img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.features-list {
  list-style: none;
}

.features-list li {
  margin-bottom: 25px;
  position: relative;
  padding-left: 35px;
}

.features-list li i {
  position: absolute;
  left: 0;
  top: 5px;
  color: var(--accent-emerald);
  font-size: 1.2rem;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.price-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: var(--transition-smooth);
}

.price-card.featured {
  border-color: var(--accent-solar);
  transform: scale(1.05);
  box-shadow: 0 15px 35px rgba(249, 115, 22, 0.15);
}

.price-card .popular-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-solar);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}

.price-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.price-card .cost {
  font-size: 2.5rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 25px;
}

.price-card ul {
  list-style: none;
  margin-bottom: 30px;
  color: var(--text-gray);
  text-align: left;
}

.price-card ul li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-card ul li i {
  color: var(--accent-emerald);
}

/* Forms */
.form-container {
  max-width: 650px;
  margin: 0 auto;
  background: var(--bg-surface);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-white);
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  background: #20242e;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  color: #fff;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-solar);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.checkbox-group a {
  color: var(--accent-solar);
  text-decoration: none;
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border-radius: 8px;
  margin-bottom: 15px;
  border: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.faq-trigger:hover {
  background: rgba(255,255,255,0.02);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 20px;
  color: var(--text-gray);
}

.faq-item.active .faq-content {
  max-height: 200px;
  padding-bottom: 20px;
}

.faq-item.active .faq-trigger i {
  transform: rotate(180deg);
}

/* Trust Layer */
.trust-layer {
  background: #12151c;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 40px 20px;
}

.trust-layer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.trust-layer h4 {
  font-family: 'Syne', sans-serif;
  color: var(--accent-solar);
  margin-bottom: 15px;
}

.trust-layer p {
  font-size: 0.85rem;
  color: var(--text-gray);
  line-height: 1.5;
}

/* Footer */
footer {
  background: var(--bg-dark);
  padding: 60px 20px;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.02);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-col h5 {
  font-family: 'Syne', sans-serif;
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: var(--text-gray);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-col ul a:hover {
  color: var(--accent-solar);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-gray);
  font-size: 0.8rem;
}

.footer-bottom p {
  margin-bottom: 10px;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: var(--bg-surface);
  border-top: 1px solid var(--accent-solar);
  padding: 20px;
  z-index: 9999;
  transition: bottom 0.5s ease;
}

.cookie-banner.show {
  bottom: 0;
}

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

.cookie-banner p {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.cookie-banner a {
  color: var(--accent-solar);
}

.cookie-buttons {
  display: flex;
  gap: 15px;
}

.cookie-btn-accept {
  background: var(--accent-solar);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

.cookie-btn-reject {
  background: transparent;
  color: var(--text-gray);
  border: 1px solid var(--text-gray);
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}

/* Contact Details Page Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.map-wrapper {
  margin-top: 30px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
}

/* Responsiveness */
@media (max-width: 992px) {
  .hero, .features-grid, .pricing-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .price-card.featured {
    transform: none;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: block;
  }
  nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 70px;
    left: 0;
    background: var(--bg-surface);
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  nav ul.active {
    display: flex;
  }
  .cookie-banner-container {
    flex-direction: column;
    text-align: center;
  }
}