/* CSS Variables */
:root {
    /* Аналоговая цветовая схема */
    --primary-color: #2E8B57;
    --primary-light: #3CB371;
    --primary-dark: #1F5F3F;
    --secondary-color: #4682B4;
    --secondary-light: #5A9BD4;
    --secondary-dark: #2F5B7A;
    --accent-color: #228B22;
    --accent-light: #32CD32;
    --accent-dark: #006400;
    
    /* Neutral colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Text colors */
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-light: #6B7280;
    --text-white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-hero: linear-gradient(135deg, rgba(46, 139, 87, 0.8), rgba(70, 130, 180, 0.8));
    
    /* Fonts */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--gray-50);
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(110%);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

/* Global Button Styles */
button, input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    min-width: 160px;
}

button:hover, input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(110%);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0;
}

.navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
    opacity: 0.9;
}

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

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

section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    position: relative;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

.webinar-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.webinar-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

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

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

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

.webinar-card .card-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.webinar-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.webinar-card .date {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Insights Section */
.insights {
    background: var(--gray-50);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.insight-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.insight-card .card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.insight-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.insight-card .card-content {
    padding: var(--spacing-lg);
    text-align: center;
}

/* External Resources Section */
.external-resources {
    background: var(--white);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.resource-card {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.resource-card:hover {
    border-color: var(--primary-color);
    background: var(--white);
    transform: translateY(-3px);
}

.resource-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
}

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

/* Events Section */
.events {
    background: var(--gray-50);
}

.events-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.event-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

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

.event-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-card .card-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.event-details {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
}

.event-details span {
    display: flex;
    align-items: center;
}

/* News Section */
.news {
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

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

.news-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card .card-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.news-card .date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

/* Behind the Scenes Section */
.behind-scenes {
    background: var(--gray-50);
}

.behind-scenes-content {
    margin-top: var(--spacing-xl);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.text-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.image-content {
    text-align: center;
}

.image-content img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* FAQ Section */
.faq {
    background: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    margin-top: var(--spacing-xl);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-normal);
}

.faq-question:hover {
    background: var(--gray-100);
}

.faq-question h3 {
    margin: 0;
    color: var(--text-primary);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
    padding: var(--spacing-lg);
    max-height: 200px;
}

/* Contact Section */
.contact {
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

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

.contact-item {
    margin-bottom: var(--spacing-lg);
}

.contact-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-section ul li a:hover {
    color: var(--white);
}

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

.social-links a {
    color: var(--gray-300);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-700);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
    color: var(--gray-400);
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding: var(--spacing-xl);
}

.success-content {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
}

.success-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
    padding-top: 100px;
    padding-bottom: var(--spacing-xxl);
}

.privacy-content,
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .webinar-slider,
    .insights-grid,
    .events-gallery,
    .news-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .btn {
        min-width: 120px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .contact-form,
    .contact-info {
        padding: var(--spacing-lg);
    }
    
    .success-content {
        padding: var(--spacing-xl);
    }
}

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

.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); }

.hidden { display: none; }
.visible { display: block; }

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 20px;
    text-align: center;
    z-index: 9999;
    animation: slideInUp 0.5s ease-out;
}

.cookie-popup button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    margin-top: 10px;
    transition: background var(--transition-normal);
}

.cookie-popup button:hover {
    background: var(--primary-dark);
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}