:root {
  /* Триадная цветовая схема */
  --primary-color: #4361ee;
  --primary-light: #6487ff;
  --primary-dark: #2c3fc1;
  
  --secondary-color: #ee4378;
  --secondary-light: #ff6699;
  --secondary-dark: #c92a5b;
  
  --tertiary-color: #43ee9a;
  --tertiary-light: #68ffbe;
  --tertiary-dark: #27c478;
  
  /* Нейтральные цвета */
  --neutral-100: #ffffff;
  --neutral-200: #f8f9fa;
  --neutral-300: #e9ecef;
  --neutral-400: #dee2e6;
  --neutral-500: #adb5bd;
  --neutral-600: #6c757d;
  --neutral-700: #495057;
  --neutral-800: #343a40;
  --neutral-900: #212529;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Радиусы */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Переходы */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Отступы для контента */
  --section-padding: 5rem 0;
  --content-padding: 2rem;
}

.container {
  padding-inline: 20px;
}

/* Общие стили */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rubik', sans-serif;
  color: var(--neutral-800);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* Текстовые градиенты */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--tertiary-color) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Фоновые градиенты */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
}

.bg-gradient-tertiary {
  background: linear-gradient(135deg, var(--tertiary-dark) 0%, var(--tertiary-color) 100%);
}

/* Кнопки */
.btn {
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.btn:hover::before {
  transform: translateX(0);
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.btn-outline-light {
  border-color: var(--neutral-100);
  color: var(--neutral-100);
}

.btn-outline-light:hover, .btn-outline-light:focus {
  background-color: var(--neutral-100);
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-normal);
}

.navbar-dark .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background-color: var(--neutral-100);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--neutral-100);
}

.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link:focus::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--neutral-100);
  overflow: hidden;
}

.hero-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.hero-section h1 {
  font-weight: 800;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 1.5rem;
}

.hero-section p {
  font-size: 1.25rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  margin-bottom: 2rem;
}

.hero-shape-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

/* Product Cards */
.product-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.product-card .card-image {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.product-card .card-img-top {
  transition: transform var(--transition-slow);
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.product-card:hover .card-img-top {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--primary-color);
  color: var(--neutral-100);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.price-tag {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

/* Innovation Section */
.innovation-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.innovation-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.innovation-image:hover img {
  transform: scale(1.05);
}

.innovation-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
}

.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-color: rgba(255, 255, 255, 0.2);
  --bs-accordion-btn-color: var(--neutral-100);
  --bs-accordion-btn-bg: transparent;
  --bs-accordion-active-bg: rgba(255, 255, 255, 0.1);
  --bs-accordion-active-color: var(--neutral-100);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.1);
}

.accordion-item {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-button {
  font-weight: 600;
  padding: 1.25rem;
}

.accordion-button:not(.collapsed) {
  box-shadow: none;
}

.accordion-body {
  padding: 1.25rem;
  color: var(--neutral-100);
}

/* Case Studies */
.card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  background-color: var(--neutral-100);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--neutral-800);
}

.card-text {
  color: var(--neutral-700);
  margin-bottom: 1.5rem;
}

/* Resources Section */
.resource-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-300);
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.resource-card .card-title {
  transition: color var(--transition-normal);
}

.resource-card:hover .card-title {
  color: var(--primary-color);
}

.resource-card .text-primary {
  transition: color var(--transition-normal);
}

.resource-card:hover .text-primary {
  color: var(--secondary-color) !important;
}

/* Press Section */
.press-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.press-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.press-card .rounded-circle {
  border: 3px solid var(--neutral-200);
  transition: border-color var(--transition-normal);
}

.press-card:hover .rounded-circle {
  border-color: var(--primary-light);
}

/* Events Section */
.event-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.event-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.event-date {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--secondary-color);
  color: var(--neutral-100);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  text-align: center;
  width: 60px;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.event-date .day {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.events-table {
  border-collapse: separate;
  border-spacing: 0;
}

.events-table thead th {
  background-color: var(--neutral-200);
  padding: 1rem;
  font-weight: 600;
}

.events-table tbody tr {
  transition: background-color var(--transition-normal);
}

.events-table tbody tr:hover {
  background-color: var(--neutral-200);
}

.events-table td {
  padding: 1rem;
  vertical-align: middle;
}

/* Contact Section */
.contact-info {
  background-color: var(--neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--primary-light);
  color: var(--neutral-100);
  border-radius: var(--radius-full);
  font-size: 1.25rem;
}

.social-link {
  color: var(--primary-color);
  font-weight: 500;
  transition: color var(--transition-normal);
}

.social-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.contact-form {
  background-color: var(--neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-control {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-400);
  transition: all var(--transition-normal);
}

.form-control:focus {
  box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
  border-color: var(--primary-light);
}

/* Footer */
.footer {
  background-color: var(--neutral-900);
  color: var(--neutral-100);
}

.footer h3, .footer h4 {
  color: var(--neutral-100);
  margin-bottom: 1.5rem;
}

.footer p {
  color: var(--neutral-400);
}

.footer a {
  transition: color var(--transition-normal);
}

.footer a:hover {
  color: var(--primary-light) !important;
}

.footer .text-white {
  color: var(--neutral-300) !important;
}

.footer .input-group {
  box-shadow: var(--shadow-sm);
}

.footer hr {
  opacity: 0.1;
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(33, 37, 41, 0.95);
  color: var(--neutral-100);
  z-index: 9999;
  padding: 1rem 0;
  display: none;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.cookie-content p {
  margin-bottom: 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Utility Classes */
.shadow-hover {
  transition: box-shadow var(--transition-normal);
}

.shadow-hover:hover {
  box-shadow: var(--shadow-lg);
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--neutral-200);
}

.success-card {
  background-color: var(--neutral-100);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 90%;
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: var(--tertiary-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  color: var(--neutral-100);
  font-size: 2rem;
}

/* Terms & Privacy Pages */
.terms-page, .privacy-page {
  padding-top: 100px;
  padding-bottom: 50px;
}

.terms-page h2, .privacy-page h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--neutral-800);
}

.terms-page p, .privacy-page p {
  margin-bottom: 1.5rem;
  color: var(--neutral-700);
}

.terms-page ul, .privacy-page ul {
  margin-bottom: 1.5rem;
}

/* Media Queries */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--neutral-900);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-content button {
    align-self: flex-end;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-padding: 3rem 0;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .event-date {
    width: 50px;
    padding: 0.25rem;
  }
  
  .event-date .day {
    font-size: 1.25rem;
  }
  
  .event-date .month {
    font-size: 0.7rem;
  }
}

@media (max-width: 575.98px) {
  .btn {
    padding: 0.5rem 1rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .hero-section p {
    font-size: 1rem;
  }
}