.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.text-gradient-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-purple {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}

.bg-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -100px;
  opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}

.bg-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--purple);
  bottom: -150px;
  left: -100px;
  opacity: 0.1;
  animation: float 25s ease-in-out infinite reverse;
}

.bg-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--gold);
  top: 50%;
  left: 30%;
  opacity: 0.05;
  animation: float 15s ease-in-out infinite;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: calc(16px + env(safe-area-inset-top, 0px)) var(--container-padding) 16px;
  padding-left: calc(var(--container-padding) + env(safe-area-inset-left, 0px));
  padding-right: calc(var(--container-padding) + env(safe-area-inset-right, 0px));
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition-base);
}

.nav.scrolled {
  padding: 12px var(--container-padding);
  background: rgba(13, 17, 23, 0.95);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--darker);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.nav-logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent 50%);
}

.nav-logo-icon svg {
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1;
}

.nav-logo-icon img {
  width: 30px;
  height: auto;
  position: relative;
  z-index: 1;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.nav-logo-tagline {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition-base);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.nav-phone svg {
  width: 18px;
  height: 18px;
  fill: var(--primary);
}

.nav-social {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.nav-social-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.nav-social-link svg {
  width: 18px;
  height: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--primary-glow);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--transition-slow);
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-secondary {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--primary);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 18px 48px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

/* Mobile menu toggle */
.nav-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  margin: 0;
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.nav-mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: var(--transition-base);
}

.nav-mobile-toggle span::before,
.nav-mobile-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  transition: var(--transition-base);
}

.nav-mobile-toggle span::before { top: -6px; }
.nav-mobile-toggle span::after { top: 6px; }

/* Mobile menu active state */
.nav-mobile-toggle.active span {
  background: transparent;
}

.nav-mobile-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-mobile-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile responsive */
@media (max-width: 1024px) {
  .nav-menu {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: #0d1117 !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 80px 20px 40px !important;
    gap: 0 !important;
    transform: translateX(100%) !important;
    transition: transform 0.3s ease !important;
    z-index: 9999 !important;
    visibility: hidden !important;
    opacity: 0 !important;
    overflow-y: auto !important;
  }
  
  .nav-menu.active {
    transform: translateX(0) !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .nav-menu .nav-link {
    display: block;
    padding: 20px 40px;
    font-size: 20px;
    border-bottom: 1px solid #30363d;
    width: 100%;
    max-width: 300px;
    text-align: center;
    color: #fff;
    background: transparent;
  }
  
  .nav-menu .nav-link:first-child {
    border-top: 1px solid #30363d;
  }
  
  .nav-menu .nav-link:hover {
    color: var(--primary);
    background: rgba(16, 185, 129, 0.1);
  }
  
  .nav-menu .nav-link:last-child {
    border-bottom: 1px solid #30363d;
  }
  
  .nav-cta {
    display: none;
  }
  
  .nav-mobile-toggle {
    display: flex !important;
    cursor: pointer;
    z-index: 10000;
  }
}

@media (max-width: 768px) {
  .nav-logo-tagline {
    display: none;
  }
}

/* Очень маленькие экраны (старые телефоны, iPhone SE 1st gen) */
@media (max-width: 320px) {
  :root {
    --container-padding: 12px;
  }
  
  .section-title {
    font-size: 24px !important;
  }
  
  .btn {
    padding: 12px 20px;
    font-size: 14px;
  }
  
  .nav-logo-name {
    font-size: 16px;
  }
}

/* Landscape ориентация на телефонах */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 60px 0;
  }
  
  .section-header {
    margin-bottom: 24px;
  }
  
  :root {
    --section-padding: 40px;
  }
}

/* Планшеты в portrait режиме */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
  .container {
    padding: 0 32px;
  }
}

/* Планшеты в landscape режиме */
@media (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
  .container {
    max-width: 1100px;
  }
}

/* Очень большие экраны (4K, ультраширокие) */
@media (min-width: 2560px) {
  :root {
    --container-padding: 80px;
  }
  
  .container {
    max-width: 1800px;
  }
  
  body {
    font-size: 18px;
  }
  
  .section-title {
    font-size: clamp(36px, 4vw, 64px);
  }
}

/* Ультраширокие мониторы (21:9) */
@media (min-aspect-ratio: 21/9) and (min-width: 2560px) {
  .container {
    max-width: 1600px;
  }
}

/* Поддержка высокой плотности пикселей (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Четкие границы на retina */
  .card,
  .btn,
  input,
  textarea {
    -webkit-font-smoothing: antialiased;
  }
}

/* Print стили */
@media print {
  .nav,
  .chat-widget,
  .footer-social,
  .btn {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
  }
}