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

:root {
    --primary-color: #0a192f;
    --secondary-color: #112240;
    --accent-color: #00ff88;
    --text-color: #e6f1ff;
    --text-secondary: #8892b0;
    --terminal-bg: #011627;
    --terminal-green: #00ff00;
    --card-bg: rgba(17, 34, 64, 0.7);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --primary-color: #f0f7ff;
    --secondary-color: #ffffff;
    --accent-color: #0077cc;
    --text-color: #1a1a1a;
    --text-secondary: #666666;
    --terminal-bg: #2d2d2d;
    --terminal-green: #00cc00;
    --card-bg: rgba(255, 255, 255, 0.9);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

code, pre, .terminal {
    font-family: 'JetBrains Mono', monospace;
}

/* Навигация */
.navbar {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-menu a:hover {
    color: var(--accent-color);
    background-color: rgba(0, 255, 136, 0.1);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Главный экран */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.terminal-window {
    background-color: var(--terminal-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.terminal-header {
    background-color: #1d3b53;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.terminal-buttons .close { background-color: #ff5f57; }
.terminal-buttons .minimize { background-color: #ffbd2e; }
.terminal-buttons .maximize { background-color: #28ca42; }

.terminal-title {
    color: var(--terminal-green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.terminal-body {
    padding: 20px;
    min-height: 200px;
}

.prompt {
    color: var(--accent-color);
    margin-right: 10px;
}

.output {
    color: var(--terminal-green);
    margin: 10px 0;
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 18px;
    background-color: var(--accent-color);
    animation: blink 1s infinite;
    margin-left: 5px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    padding: 2px 8px;
    border-radius: 4px;
}

.madness {
    background-color: rgba(255, 0, 0, 0.2);
    color: #ff6b6b;
}

.enlightenment {
    background-color: rgba(0, 255, 136, 0.2);
    color: var(--accent-color);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-20px) translateX(-50%); }
    60% { transform: translateY(-10px) translateX(-50%); }
}

/* Секции */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section.dark {
    background-color: var(--secondary-color);
    border-radius: 20px;
    margin: 2rem auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Карточки */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.card.interactive {
    cursor: pointer;
}

.card h3 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.knowledge-list {
    list-style: none;
}

.knowledge-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.knowledge-list li i {
    color: var(--accent-color);
    position: absolute;
    left: 0;
    top: 4px;
}

/* Файловая система */
.filesystem {
    font-family: 'JetBrains Mono', monospace;
}

.fs-item {
    padding: 8px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fs-item.dir:hover {
    color: var(--accent-color);
}

.fs-content {
    padding-left: 20px;
    margin-left: 10px;
    border-left: 1px dashed var(--text-secondary);
    display: none;
}

.fs-content.show {
    display: block;
}

.fs-size {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Сетевая визуализация */
.network-visualization {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 3rem 0;
    position: relative;
}

.network-node {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    min-width: 150px;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.network-node.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.network-node i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: block;
}

.node-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.connection {
    flex: 1;
    height: 4px;
    background-color: var(--text-secondary);
    position: relative;
    min-width: 50px;
}

.data-packet {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    animation: movePacket 3s linear infinite;
}

@keyframes movePacket {
    0% { left: 0; }
    100% { left: 100%; }
}

.toggle-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.toggle-btn {
    padding: 10px 20px;
    background-color: var(--card-bg);
    border: 2px solid var(--text-secondary);
    color: var(--text-color);
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Веб-серверы */
.server-simulator {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.server-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.server-card:hover {
    transform: translateY(-10px);
}

.server-header {
    padding: 1.5rem;
    text-align: center;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.server-header.apache {
    background: linear-gradient(135deg, #d22128, #ff6b6b);
}

.server-header.nginx {
    background: linear-gradient(135deg, #009639, #00cc66);
}

.server-header.wordpress {
    background: linear-gradient(135deg, #21759b, #33a0d6);
}

.server-header i {
    font-size: 3rem;
}

.server-status {
    font-size: 0.9rem;
    padding: 5px 10px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.2);
}

.server-config {
    padding: 1.5rem;
}

.server-config ul, .install-steps {
    list-style-position: inside;
    margin-top: 1rem;
}

.install-steps li {
    margin-bottom: 10px;
    padding-left: 10px;
}

.server-btn {
    width: 100%;
    padding: 12px;
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
    border-radius: 0 0 15px 15px;
}

.server-btn:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Python playground */
.python-playground {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.code-editor-container {
    background-color: var(--terminal-bg);
    border-radius: 10px;
    overflow: hidden;
}

.editor-header {
    background-color: #1d3b53;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.run-btn, .ai-btn {
    padding: 8px 16px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

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

.ai-btn {
    background-color: #8a2be2;
    color: white;
}

.code-editor {
    width: 100%;
    height: 300px;
    background-color: var(--terminal-bg);
    color: var(--terminal-green);
    font-family: 'JetBrains Mono', monospace;
    padding: 20px;
    border: none;
    resize: vertical;
    font-size: 14px;
    line-height: 1.5;
}

.editor-output {
    background-color: #011627;
    padding: 20px;
    min-height: 100px;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    font-family: 'JetBrains Mono', monospace;
    color: var(--terminal-green);
    white-space: pre-wrap;
}

.ai-assistant-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.ai-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    color: #8a2be2;
}

.ai-message {
    background-color: rgba(138, 43, 226, 0.1);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #8a2be2;
}

/* Дашборд */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.skill-bars {
    margin-top: 1.5rem;
}

.skill-bar {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 15px;
}

.bar-container {
    flex: 1;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #00ccff);
    border-radius: 5px;
    transition: width 1s ease;
}

.skill-percent {
    min-width: 40px;
    text-align: right;
    font-weight: bold;
}

/* Таймлайн */
.timeline {
    position: relative;
    padding-left: 30px;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-date {
    position: absolute;
    left: -30px;
    top: 0;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.timeline-content {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    margin-left: 20px;
    border-left: 3px solid var(--accent-color);
}

/* Бейджи */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.badge {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.badge:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.badge.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.badge i {
    font-size: 2rem;
}

/* Итоги */
.dashboard-summary {
    margin-top: 3rem;
}

.summary-card {
    background: linear-gradient(135deg, var(--accent-color), #00ccff);
    color: var(--primary-color);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.final-thoughts {
    margin-top: 2rem;
    font-style: italic;
    font-size: 1.2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.signature {
    margin-top: 1rem;
    font-weight: bold;
}

/* Подвал */
.footer {
    background-color: var(--secondary-color);
    padding: 3rem 2rem 1rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.tech-tag {
    background-color: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.server-status-line {
    margin-top: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.status-indicator.online {
    color: var(--accent-color);
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .python-playground {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .network-visualization {
        flex-direction: column;
    }
    
    .connection {
        width: 4px;
        height: 50px;
        min-height: 50px;
        min-width: auto;
    }
    
    .data-packet {
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        animation: movePacketVertical 3s linear infinite;
    }
    
    @keyframes movePacketVertical {
        0% { top: 0; }
        100% { top: 100%; }
    }
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section {
    animation: fadeIn 0.8s ease-out;
}