/* Современный минималистичный дизайн с анимациями */

/* CSS переменные для цветовой схемы */
:root {
  --primary-color: #667eea;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-color: #f093fb;
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-color: #4facfe;
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-color: #43e97b;
  --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --warning-color: #fa709a;
  --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --dark-color: #2d3748;
  --light-color: #f7fafc;
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Базовые стили */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* Современная навигация */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  transition: var(--transition);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
  width: 80%;
}

/* Герой секция */
.hero-section {
  background: var(--primary-gradient);
  color: white;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  animation: slideInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  animation: slideInUp 1s ease-out 0.4s both;
}

.hero-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: white;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Карточки */
.card {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 1.5rem;
  font-weight: 600;
}

.card-body {
  padding: 2rem;
}

/* Кнопки */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::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 0.5s;
}

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

.btn-primary {
  background: var(--primary-gradient);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: var(--secondary-gradient);
  color: white;
}

.btn-success {
  background: var(--success-gradient);
  color: white;
}

.btn-warning {
  background: var(--warning-gradient);
  color: white;
}

/* Формы */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: white;
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* Анимации для элементов */
.fade-in {
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
  animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
  animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Секции */
.section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Преимущества */
.row.g-4 {
  align-items: stretch;
}

.col-lg-3.col-md-6 {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.col-lg-3.col-md-6 .feature-card {
  height: 100% !important;
  min-height: 350px;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  transition: var(--transition);
  flex-shrink: 0;
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
}

.feature-card h5 {
  margin: 1rem 0;
  flex-shrink: 0;
}

.feature-card p {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin: 0;
  text-align: center;
  line-height: 1.5;
}

/* Лодки */
.boat-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  background: white;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.boat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.boat-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.boat-card:hover .boat-image {
  transform: scale(1.02);
}

.boat-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.boat-card:hover .boat-overlay {
  opacity: 1;
}

/* Цены */
.price-tag {
  background: var(--success-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Алерты */
.alert {
  border: none;
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.alert-success {
  background: rgba(67, 233, 123, 0.1);
  color: #059669;
  border-left: 4px solid var(--success-color);
}

.alert-warning {
  background: rgba(250, 112, 154, 0.1);
  color: #dc2626;
  border-left: 4px solid var(--warning-color);
}

.alert-info {
  background: rgba(79, 172, 254, 0.1);
  color: #2563eb;
  border-left: 4px solid var(--accent-color);
}



/* Адаптивность */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
}

/* Дополнительные анимации */
.bounce-in {
  animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.02);
  }
  70% {
    transform: scale(0.98);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.zoom-in {
  animation: zoomIn 0.6s ease-out;
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Загрузка */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Плавная прокрутка */
html {
  scroll-behavior: smooth;
}

/* Кастомный скроллбар */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-gradient);
}

/* Эффект ripple для кнопок */
.btn {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Сдержанные анимации для карточек */
.card {
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
}

/* Анимация для иконок */
.feature-icon i {
  transition: var(--transition);
}

.feature-card:hover .feature-icon i {
  transform: scale(1.1);
}

/* Градиентный текст */
.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Анимация загрузки */
.loading-dots {
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

/* Эффект стекла */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Анимация появления */
.stagger-animation > * {
  opacity: 0;
  transform: translateY(20px);
  animation: staggerFadeIn 0.8s ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }

@keyframes staggerFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}