/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #1e96eb;
    --secondary-color: #5438ff;
    --accent-color: #ff6b6b;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-purple: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 218ms ease-in-out;
    --transition-normal: 318ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 120px 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== GLASS MORPHISM ==================== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

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

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 34px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform var(--transition-fast);
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-github {
    background: #24292e;
    color: white;
}

.btn-github:hover {
    background: #1a1e22;
}

.btn-icon {
    font-size: 18px;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #667eea 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #764ba2 0%, transparent 70%);
    top: 100px;
    right: -250px;
    animation-delay: 5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #f093fb 0%, transparent 70%);
    bottom: -100px;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(50px, -50px);
    }
    66% {
        transform: translate(-50px, 50px);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-slogan {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.visual-card {
    padding: 24px;
    border-radius: 24px;
    animation: cardFloat 6s infinite ease-in-out;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}

.card-dots span:nth-child(2) {
    background: #ffbd2e;
}

.card-dots span:nth-child(3) {
    background: #27c93f;
}

.card-title {
    font-weight: 600;
    font-size: 14px;
}

.demo-alert {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 107, 107, 0.05));
    border-left: 4px solid #ff6b6b;
    border-radius: 12px;
    margin-bottom: 16px;
}

.alert-icon {
    font-size: 24px;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.demo-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.demo-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
    font-size: 14px;
}

.demo-stat-icon {
    font-size: 20px;
}

/* ==================== SECTION ==================== */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.badge-icon {
    font-size: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-description {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

/* ==================== FEATURES ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border-radius: 24px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.feature-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 15px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27c93f;
    font-weight: 700;
}

/* ==================== AI SECTION ==================== */
.ai-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.chat-window {
    padding: 0;
    border-radius: 24px;
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.chat-name {
    font-weight: 600;
    font-size: 15px;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #27c93f;
    border-radius: 50%;
}

.chat-messages {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 400px;
}

.message {
    display: flex;
    gap: 12px;
    animation: messageSlide 0.5s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-user {
    justify-content: flex-end;
}

.message-avatar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.message-bubble {
    padding: 12px 18px;
    border-radius: 18px;
    max-width: 75%;
    font-size: 15px;
    line-height: 1.5;
}

.message-user .message-bubble {
    background: var(--gradient-primary);
    color: white;
}

.message-ai .message-bubble {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ai-feature-item {
    display: flex;
    gap: 16px;
}

.ai-feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.ai-feature-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ai-feature-content p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ==================== PROFILES ==================== */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.profile-card {
    padding: 40px 32px;
    border-radius: 24px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.profile-card.featured {
    border: 2px solid rgba(102, 126, 234, 0.3);
    position: relative;
}

.profile-card.featured::before {
    content: '⭐ Популярный';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.profile-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.profile-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.profile-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 15px;
}

.profile-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.profile-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 15px;
}

.profile-features li:last-child {
    border-bottom: none;
}

.profile-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* ==================== TECH STACK ==================== */
.tech-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.tech-section .section-title,
.tech-section .section-subtitle {
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.tech-item {
    text-align: center;
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform var(--transition-normal);
}

.tech-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.tech-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tech-description {
    font-size: 14px;
    opacity: 0.9;
}

/* ==================== GITHUB SECTION ==================== */
.github-card {
    padding: 64px;
    border-radius: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.github-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.github-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.github-description {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 17px;
    line-height: 1.7;
}

.github-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
}

.github-stat {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    font-size: 32px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.github-logo {
    margin-right: 8px;
}

.code-preview {
    padding: 0;
    border-radius: 16px;
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
}

.code-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.code-content {
    padding: 20px;
    background: rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.code-content pre {
    margin: 0;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    overflow: hidden;
    white-space: pre-wrap;
    word-break: break-all;
}

.code-content pre code {
    overflow: hidden;
    display: block;
}

.code-keyword {
    color: #d73a49;
}

.code-variable {
    color: #6f42c1;
}

.code-string {
    color: #032f62;
}

.code-function {
    color: #005cc5;
}

.code-type {
    color: #d73a49;
}

.code-comment {
    color: #6a737d;
    font-style: italic;
}

/* ==================== PROJECTS ==================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.project-card {
    padding: 32px;
    border-radius: 24px;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: block;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-icon {
    font-size: 48px;
}

.project-status {
    padding: 4px 12px;
    background: rgba(255, 193, 7, 0.1);
    color: #ff9800;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.project-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

/* ==================== DOWNLOAD SECTION ==================== */
.download-section {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.download-card {
    padding: 64px;
    border-radius: 32px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.download-title {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.download-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}

.download-info {
    display: flex;
    gap: 32px;
    justify-content: center;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 500;
}

.info-icon {
    font-size: 18px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    line-height: 1.6;
    max-width: 400px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: background var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

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

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom p {
    margin: 8px 0;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 32px;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero .container,
    .ai-content,
    .github-card {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        gap: 24px;
    }

    .features-grid,
    .profiles-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .download-actions {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 80px 0;
    }

    .hero {
        padding-top: 100px;
    }

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

    .section-title {
        font-size: 32px;
    }

    .github-card,
    .download-card {
        padding: 40px 24px;
    }
}

/* ==================== ANIMATIONS ==================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-10deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}