:root {
            --primary-green: #2a5934;
            --primary-blue:#487da3;
            --secondary-green: #4caf50;
            --light-green: #e8f5e9;
            --accent-green: #81c7b9;
            --dark-green: #1e3c1e;
            --earth-brown: #8d6e63;
            --sky-blue: #87ceeb;
            --text-dark: #2c3e2c;
            --text-light: #5d7a5d;
            --white: #ffffff;
            --gray-bg: #f8fdf8;
            --border-color: #e0f2e0;
            --shadow: 0 4px 20px rgba(42, 89, 52, 0.08);
            --shadow-hover: 0 8px 30px rgba(42, 89, 52, 0.12);
            --transition: all 0.3s ease;
            --radius: 12px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
        }

        body {
            background-color: var(--gray-bg);
            color: var(--text-dark);
            line-height: 1.7;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Навигация */
        .navbar {
            background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
            color: var(--white);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 15px rgba(30, 60, 30, 0.25);
            border-bottom: 3px solid var(--accent-green);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--white);
        }

        .logo-image {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--white);
        }

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

        .logo-text h2 {
            font-size: 1.2rem;
            font-weight: 700;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .nav-link {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--accent-green);
        }

        .nav-link.active {
            color: var(--accent-green);
            border-bottom: 2px solid var(--accent-green);
        }

        .login-btn {
            background: var(--secondary-green);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .login-btn:hover {
            background: var(--accent-green);
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            text-align: center;
            padding: 100px 0 50px;
            position: relative;
        }

        .hero h1 {
            font-size: 3.5rem;
            color: var(--dark-green);
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Карточки дат - НОВОЕ РАСПОЛОЖЕНИЕ */
        .dates-section {
            padding: 50px 0 100px;
        }

        .dates-container {
            display: flex;
            flex-direction: column;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .date-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

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

        /* День Земли - горизонтальная карточка */
        .date-card.large {
            background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
            color: var(--white);
            display: flex;
            min-height: 250px;
        }

        .date-card.large .date-content {
            flex: 1;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .date-card.large .earth-icon {
            width: 200px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .date-card.large .earth-icon i {
            font-size: 8rem;
            color: var(--accent-green);
            opacity: 0.7;
        }

        /* Остальные карточки - вертикальные */
        .date-card.vertical {
            display: grid;
            grid-template-columns: 120px 1fr;
            min-height: 200px;
        }

        .date-card.vertical .date-header {
            background: linear-gradient(135deg, var(--secondary-green), var(--accent-green));
            color: var(--white);
            padding: 30px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .date-card.vertical .date-day {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1;
        }

        .date-card.vertical .date-month {
            font-size: 1.2rem;
            font-weight: 600;
            text-transform: uppercase;
            margin-top: 5px;
        }

        .date-card.vertical .date-content {
            padding: 30px;
            display: flex;
            flex-direction: column;
        }

        .date-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark-green);
            margin-bottom: 10px;
        }

        .date-card.large .date-title {
            color: var(--white);
            font-size: 2.2rem;
            line-height: 1.2;
        }

        .date-subtitle {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 15px;
        }

        .date-card.large .date-subtitle {
            color: var(--light-green);
        }

        .date-card.vertical .date-subtitle {
            color: var( --primary-blue);
        }

        .date-description {
            font-size: 1.1rem;
            line-height: 1.6;
            color: var(--text-dark);
            flex-grow: 1;
        }

        .date-card.large .date-description {
            color: var(--light-green);
            font-size: 1.2rem;
        }

        .date-actions {
            padding-top: 20px;
            margin-top: 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .date-card.large .date-actions {
            border-top-color: rgba(255, 255, 255, 0.2);
        }

        .action-btn {
            padding: 10px 20px;
            background: var(--light-green);
            border: none;
            border-radius: 20px;
            color: var(--primary-green);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .date-card.large .action-btn {
            background: rgba(255, 255, 255, 0.2);
            color: var(--white);
        }

        .action-btn:hover {
            background: var(--secondary-green);
            color: var(--white);
            transform: translateY(-2px);
        }

        .date-card.large .action-btn:hover {
            background: var(--accent-green);
        }

        /* Группа из двух карточек */
        .cards-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        /* Футер */
        .footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h4 {
            color: #3498db;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #3498db;
            padding-left: 5px;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #95a5a6;
            font-size: 0.9rem;
        }

        /* Адаптивность */
        @media (max-width: 992px) {
            .nav-menu {
                gap: 20px;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .cards-row {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .date-card.large {
                flex-direction: column;
                min-height: auto;
            }
            
            .date-card.large .earth-icon {
                width: 100%;
                height: 150px;
            }
            
            .date-card.large .earth-icon i {
                font-size: 5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
                gap: 15px;
            }
            
            .nav-menu {
                gap: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .hero {
                padding: 70px 0 30px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .date-card.vertical {
                grid-template-columns: 100px 1fr;
            }
            
            .date-card.vertical .date-header {
                padding: 25px 15px;
            }
            
            .date-card.vertical .date-day {
                font-size: 2.5rem;
            }
            
            .date-title {
                font-size: 1.5rem;
            }
            
            .date-card.large .date-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 576px) {
            .nav-menu {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .date-card.vertical {
                grid-template-columns: 1fr;
            }
            
            .date-card.vertical .date-header {
                flex-direction: row;
                gap: 20px;
                padding: 20px;
            }
            
            .date-card.vertical .date-day {
                font-size: 2.5rem;
            }
            
            .date-card.vertical .date-month {
                font-size: 1.5rem;
                margin-top: 0;
            }
            
            .date-actions {
                flex-direction: column;
            }
            
            .action-btn {
                width: 100%;
                justify-content: center;
            }
            
        }
                /* Социальные иконки в футере */
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: #ecf0f1;
            font-size: 1.2rem;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }

        .social-links a::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #3498db;
            border-radius: 50%;
            transform: scale(0);
            transition: transform 0.3s;
        }

        .social-links a i {
            position: relative;
            z-index: 1;
        }

        .social-links a:hover {
            color: white;
            transform: translateY(-3px);
        }

        .social-links a:hover::before {
            transform: scale(1);
        }