/* CSS Variables - Раздельно-дополнительная цветовая схема */
:root {
  /* Primary Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;

  /* Complementary Colors */
  --secondary-color: #f59e0b;
  --secondary-dark: #d97706;
  --secondary-light: #fbbf24;

  /* Split Complementary */
  --accent-color: #10b981;
  --accent-dark: #059669;
  --accent-light: #34d399;

  /* Neutral Colors */
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --background-primary: #ffffff;
  --background-secondary: #f9fafb;
  --background-dark: #1f2937;

  /* Biomorphic Design Colors */
  --organic-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --organic-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --organic-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

  /* Typography */
  --font-primary: "Manrope", sans-serif;
  --font-secondary: "Rubik", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border Radius - Biomorphic */
  --border-radius-sm: 12px;
  --border-radius-md: 24px;
  --border-radius-lg: 36px;
  --border-radius-xl: 48px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--background-primary);
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.8rem;
}
h3 {
  font-size: 2.2rem;
}
h4 {
  font-size: 1.8rem;
}
h5 {
  font-size: 1.4rem;
}
h6 {
  font-size: 1.2rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

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

/* Button Styles - Global */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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: var(--transition-normal);
  z-index: -1;
}

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

.btn-primary {
  background: var(--organic-gradient-1);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--organic-gradient-2);
  color: white;
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-outline-light {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary-color);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 18px;
}

/* Form Styles */
.form-control {
  padding: 12px 16px;
  border: 2px solid #e5e7eb;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-secondary);
  font-size: 16px;
  transition: var(--transition-fast);
  background-color: white;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Header Styles */
.header-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar {
  padding: var(--spacing-sm) 0;
  background: transparent;
}

.navbar-brand {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color) !important;
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 500;
  color: var(--text-primary) !important;
  padding: var(--spacing-xs) var(--spacing-sm) !important;
  margin: 0 var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-color) !important;
  background-color: rgba(99, 102, 241, 0.1);
}

.navbar-toggler {
  border: none;
  padding: 4px 8px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.8) 0%,
    rgba(16, 185, 129, 0.6) 100%
  );
  z-index: 1;
}

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

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: #ffffff !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: #ffffff !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Parallax Effect */
.parallax-bg {
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Section Styles */
section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  color: var(--text-secondary);
}

/* Features Section */
.features-section {
  background: var(--background-secondary);
  position: relative;
}

.features-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 0 100 100"><path d="M20,20 Q50,5 80,20 Q95,50 80,80 Q50,95 20,80 Q5,50 20,20 Z" fill="none" stroke="rgba(99,102,241,0.1)" stroke-width="0.5"/></svg>');
  opacity: 0.3;
  z-index: 1;
}

.feature-card {
  background: white;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Process Section */
.process-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
}

.process-step {
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
  position: relative;
  transition: var(--transition-normal);
}

.process-step:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: -20px;
  left: var(--spacing-lg);
  background: var(--organic-gradient-1);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.2rem;
}

/* History Section */
.history-section {
  background: var(--background-secondary);
}

.history-section img {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

/* Portfolio Section */
.portfolio-section {
  background: white;
}

.testimonial-card {
  background: white;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

/* Sustainability Section */
.sustainability-section {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

.sustainability-section img {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

/* Resources Section */
.resources-section {
  background: var(--background-secondary);
}

.resource-card {
  background: white;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

/* Webinars Section */
.webinars-section {
  background: var(--background-secondary);
}

.webinar-card {
  background: white;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.webinar-details {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.badge {
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.bg-secondary {
  background-color: var(--secondary-color) !important;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, #fef7ff 0%, #f3e8ff 100%);
}

.contact-form-wrapper {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
  background: var(--background-dark);
  color: white;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.footer-subtitle {
  font-family: var(--font-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.footer-text {
  color: #d1d5db;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: #d1d5db;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.social-links a {
  color: #d1d5db;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
  color: white;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.contact-info p {
  color: #d1d5db;
  margin-bottom: var(--spacing-xs);
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.2);
  margin: var(--spacing-lg) 0;
}

.copyright {
  color: #9ca3af;
  margin: 0;
}

/* Modal Styles */
.modal-content {
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  background: var(--organic-gradient-1);
  color: white;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.modal-title {
  font-family: var(--font-primary);
  font-weight: 700;
}

.btn-close {
  filter: invert(1);
}

/* Page Specific Styles */
.page-header {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
  background: var(--background-secondary);
}

.page-content {
  padding: var(--spacing-xl) 0;
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--organic-gradient-3);
}

.success-content {
  text-align: center;
  background: white;
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-collapse {
    background-color: #fff;
  }
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: 2.2rem;
  }

  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.8rem;
  }

  .contact-form-wrapper {
    padding: var(--spacing-lg);
  }

  .process-step {
    margin-bottom: var(--spacing-md);
  }

  .step-number {
    top: -15px;
    left: var(--spacing-sm);
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .parallax-bg {
    background-attachment: scroll;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .btn {
    padding: 10px 24px;
    font-size: 14px;
  }

  .btn-lg {
    padding: 12px 32px;
    font-size: 16px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}
.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mt-4 {
  margin-top: var(--spacing-lg);
}
.mt-5 {
  margin-top: var(--spacing-xl);
}

.p-0 {
  padding: 0;
}
.p-1 {
  padding: var(--spacing-xs);
}
.p-2 {
  padding: var(--spacing-sm);
}
.p-3 {
  padding: var(--spacing-md);
}
.p-4 {
  padding: var(--spacing-lg);
}
.p-5 {
  padding: var(--spacing-xl);
}

.rounded {
  border-radius: var(--border-radius-sm);
}
.rounded-lg {
  border-radius: var(--border-radius-md);
}
.rounded-xl {
  border-radius: var(--border-radius-lg);
}

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

/* Animation Classes */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-in-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.slide-up {
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 0.8s ease-out forwards;
}

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

/* Biomorphic Shapes */
.organic-shape {
  border-radius: 60% 40% 30% 70%/60% 30% 70% 40%;
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0% {
    border-radius: 60% 40% 30% 70%/60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40%/50% 60% 30% 60%;
  }
  100% {
    border-radius: 60% 40% 30% 70%/60% 30% 70% 40%;
  }
}

/* Glassmorphism Effect */
.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

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

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