:root {
    --primary-green: #2ecc71;
    --primary-orange: #e67e22;
    --dark-bg: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 26px;
}

/* Навигация */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 280px;
    background: var(--card-bg);
    border-right: 2px solid var(--border-color);
    z-index: 1000;
    padding: 40px 0;
    overflow-y: auto;
}

.nav-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0%;
    background: linear-gradient(to bottom, var(--primary-green), var(--primary-orange));
    transition: height 0.3s ease;
}

.nav-menu {
    list-style: none;
    padding: 0 20px;
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 20px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-green);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(46, 204, 113, 0.1);
}

.nav-link.active::before {
    transform: scaleY(1);
}

/* Основной контент */
.content {
    margin-left: 280px;
    min-height: 100vh;
}

/* Hero секция */
.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.parallax-bg {
    position: absolute;
    top: -10%;
    left: -10%;
    right: -10%;
    bottom: -10%;
    background:
        radial-gradient(circle at 20% 50%, rgba(46, 204, 113, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(230, 126, 34, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease-out;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.hero-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 120px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.gear-icon {
    width: 100px;
    height: 100px;
    fill: var(--primary-orange);
    filter: drop-shadow(0 0 20px rgba(230, 126, 34, 0.5));
    animation: rotate 8s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-description {
    font-size: 32px;
    color: var(--text-secondary);
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

/* Секции */
.section {
    min-height: 100vh;
    padding: 80px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 58px;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--primary-green);
    animation: fadeInUp 0.6s ease-out;
}

/* Карточки контента */
.content-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.content-card:nth-child(2) { animation-delay: 0.1s; }
.content-card:nth-child(3) { animation-delay: 0.2s; }
.content-card:nth-child(4) { animation-delay: 0.3s; }
.content-card:nth-child(5) { animation-delay: 0.4s; }
.content-card:nth-child(6) { animation-delay: 0.5s; }

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

.content-card.highlight {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.05), rgba(230, 126, 34, 0.05));
    border-color: var(--primary-green);
}

.card-header {
    border-bottom: 2px solid var(--primary-green);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.card-header h3 {
    color: var(--primary-green);
    font-size: 34px;
}

.content-card h3 {
    color: var(--primary-orange);
    margin-bottom: 15px;
    font-size: 33px;
}

.content-card ul {
    list-style: none;
    padding-left: 0;
}

.content-card ul li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
    font-size: 25px;
}

.content-card ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-size: 28px;
}

.content-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 25px;
}

.content-card a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--primary-orange);
}

.content-card a:hover {
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
}

/* График */
.chart-container {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid var(--border-color);
    margin-top: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.chart-subtitle {
    color: var(--primary-orange);
    font-size: 38px;
    font-weight: 700;
    margin-top: 60px;
    margin-bottom: 0;
    animation: fadeInUp 0.6s ease-out;
}

#marzhaChart,
#marzhaPBIChart {
    max-height: 500px;
}

.chart-data-table {
    margin-top: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.data-values-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.data-values-table thead {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-orange));
}

.data-values-table th {
    padding: 18px 20px;
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 22px;
    color: var(--text-primary);
}

.data-values-table th:first-child {
    text-align: left;
}

.data-values-table td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 24px;
    font-weight: 500;
}

.data-values-table td.year-label {
    text-align: left;
    color: var(--primary-green);
    font-weight: 700;
    font-size: 26px;
}

.data-values-table tbody tr {
    transition: var(--transition);
}

.data-values-table tbody tr:hover {
    background: rgba(46, 204, 113, 0.05);
}

.data-values-table tbody tr:last-child td {
    border-bottom: none;
}

/* Статистика */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-orange);
    box-shadow: 0 15px 40px rgba(230, 126, 34, 0.2);
}

.stat-value {
    font-size: 66px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 28px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Таблица */
.table-responsive {
    overflow-x: auto;
    margin: 30px 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    overflow: hidden;
}

.data-table thead {
    background: var(--primary-green);
}

.data-table th {
    padding: 20px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 24px;
}

.data-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 25px;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(46, 204, 113, 0.05);
}

.data-table .highlight-row {
    background: rgba(46, 204, 113, 0.1);
}

.data-table .highlight-row td {
    color: var(--primary-green);
    font-weight: 600;
}

/* Заметки */
.note,
.section-note {
    font-size: 24px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 20px;
}

/* Кнопки-ссылки */
.btn-link {
    display: inline;
    padding: 0;
    background: transparent;
    color: var(--primary-orange);
    text-decoration: none;
    border-radius: 0;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 0;
    font-size: inherit;
    border-bottom: 1px solid var(--primary-orange);
}

.btn-link:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
}

/* Адаптивность */
@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }

    .content {
        margin-left: 250px;
    }

    .hero-title {
        font-size: 80px;
    }

    .gear-icon {
        width: 70px;
        height: 70px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
    }

    .hero-title {
        font-size: 60px;
        flex-direction: column;
    }

    .gear-icon {
        width: 60px;
        height: 60px;
    }

    .hero-description {
        font-size: 20px;
    }

    .section-title {
        font-size: 36px;
    }

    .container {
        padding: 0 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary-green), var(--primary-orange));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange);
}

/* Дополнительные анимации */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.content-card strong {
    color: var(--primary-orange);
}

/* Плавное появление элементов при скролле */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}