/* ========================================
   СОВРЕМЕННАЯ ТЁМНАЯ ТЕМА С ГЛАССМОРФИЗМОМ
   ======================================== */

/* Основные цвета тёмной темы */
:root {
  /* Основные цвета */
  --bg-primary: #1a202c;
  --bg-secondary: #2d3748;
  --bg-tertiary: #4a5568;
  
  /* Текст */
  --text-primary: #e2e8f0;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  
  /* Акцентные цвета */
  --accent-primary: #00d4aa;
  --accent-secondary: #00b894;
  --accent-hover: #00a085;
  
  /* Глассморфизм */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  
  /* Переходы */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ========================================
   БАЗОВЫЕ СТИЛИ
   ======================================== */

body {
  background: linear-gradient(135deg, var(--bg-primary) 0%, #0f1419 100%);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* ========================================
   ТИПОГРАФИКА
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* ========================================
   КАРТОЧКИ В СТИЛЕ ГЛАССМОРФИЗМ
   ======================================== */

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 16px 48px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ========================================
   КНОПКИ
   ======================================== */

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  border-radius: 12px;
  color: white;
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.4);
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-primary));
}

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

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  padding: 1rem 2rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--glass-shadow);
}

/* ========================================
   ФОРМЫ
   ======================================== */

.form-input {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  width: 100%;
  transition: all var(--transition-normal);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
  background: rgba(255, 255, 255, 0.15);
}

/* ========================================
   НАВИГАЦИЯ
   ======================================== */

.navbar-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px var(--glass-shadow);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   СЕКЦИИ
   ======================================== */

.section-dark {
  background: var(--bg-primary);
  padding: 4rem 0;
}

.section-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: 4rem 0;
}

/* ========================================
   POPUP ОКНА
   ======================================== */

.popup-overlay {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.popup-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 16px 48px var(--glass-shadow);
  color: var(--text-primary);
}

/* ========================================
   СПЕЦИАЛЬНЫЕ ЭФФЕКТЫ
   ======================================== */

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

.glow-effect {
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
}

.floating-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* ========================================
   АДАПТИВНОСТЬ
   ======================================== */

@media (max-width: 768px) {
  .glass-card {
    padding: 1.5rem;
    border-radius: 16px;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }
  
  .btn-primary, .btn-secondary {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* ========================================
   ПЕРЕОПРЕДЕЛЕНИЕ СУЩЕСТВУЮЩИХ СТИЛЕЙ
   ======================================== */

/* Основной фон сайта */
body {
  background: linear-gradient(135deg, #1a202c 0%, #0f1419 100%) !important;
  color: var(--text-primary) !important;
}

/* Заголовки */
.ycsltipglkath, .izsltvoifar, .hoagcjjxywqgyk {
  color: var(--text-primary) !important;
}

/* Обычный текст */
.syvkppipels, .tdadvlqdhldrj {
  color: var(--text-secondary) !important;
}

/* Секции */
section {
  background-color: transparent !important;
}

/* Карточки */
.exguvluukqrvdu {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 20px !important;
  box-shadow: 0 8px 32px var(--glass-shadow) !important;
  transition: all var(--transition-normal) !important;
}

.exguvluukqrvdu:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 16px 48px var(--glass-shadow) !important;
}

/* Кнопки */
.xxdakdqdyy {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)) !important;
  border: none !important;
  border-radius: 12px !important;
  color: white !important;
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3) !important;
  transition: all var(--transition-normal) !important;
}

.xxdakdqdyy:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.4) !important;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-primary)) !important;
}

/* Формы */
.jdyfgjdeeo {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  color: var(--text-primary) !important;
  transition: all var(--transition-normal) !important;
}

.jdyfgjdeeo:focus {
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1) !important;
}

/* Навигация */
.twzixeyuyrdqge .oigieszycgh {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: 0 4px 16px var(--glass-shadow) !important;
}

/* Акцентные элементы */
.eltkptgrxpvih {
  color: var(--accent-primary) !important;
}