/* ===== CSS Variables (Themes) ===== */
:root {
    /* Light Theme (default) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #6c5ce7;
    --accent-hover: #5f4fd1;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
}

[data-theme="dark"] {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --accent: #a78bfa;
    --accent-hover: #9370db;
    --border: #2a2a2a;
    --shadow: rgba(0, 0, 0, 0.5);
}

[data-theme="blue"] {
    --bg-primary: #f0f4f8;
    --bg-secondary: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #cbd5e1;
    --shadow: rgba(59, 130, 246, 0.15);
}

[data-theme="purple"] {
    --bg-primary: #faf5ff;
    --bg-secondary: #f3e8ff;
    --text-primary: #3b0764;
    --text-secondary: #7c3aed;
    --accent: #9333ea;
    --accent-hover: #7e22ce;
    --border: #e9d5ff;
    --shadow: rgba(147, 51, 234, 0.15);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Respect user's motion preferences - ВРЕМЕННО ОТКЛЮЧЕНО ДЛЯ ТЕСТОВ */
/*
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
*/

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Hide main content during loading */
body:not(.loaded) > *:not(#loadingScreen) {
    opacity: 0;
    visibility: hidden;
}

body.loaded {
    transition: opacity 0.5s ease;
}

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

/* ===== Typography ===== */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg) 0;
    overflow: hidden;
}

/* Hero background for dark and light themes only */
html[data-theme="dark"] .hero::before,
html[data-theme="light"] .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('581175526955966518.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

@keyframes floatPattern {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-wrapper {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 700px;
    opacity: 0;
    animation: slideInLeft 1s ease 0.3s forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-greeting {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.greeting-text {
    color: var(--text-secondary);
}

.greeting-name {
    color: var(--accent);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.hero-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.title-line {
    display: block;
    opacity: 1;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    width: 0;
}

.title-line:nth-child(1) {
    animation: typing 1.5s steps(11, end) 3s forwards;
}

.title-line:nth-child(2) {
    animation: typing 1.8s steps(12, end) 4.5s forwards;
    width: 0;
}

.title-line:nth-child(2)::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0.6em;
    height: 3px;
    background-color: var(--text-primary);
    animation: blink 0.75s step-end infinite 6.3s;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Mobile - static text without animations */
@media (max-width: 768px) {
    .title-line,
    .title-line:nth-child(1),
    .title-line:nth-child(2) {
        animation: none !important;
        width: 100% !important;
        overflow: visible !important;
        white-space: normal !important;
    }

    .title-line:nth-child(2)::after {
        display: none !important;
    }

    .hero-content,
    .hero-title,
    .hero-subtitle,
    .hero-greeting,
    .hero-status,
    .hero-cta,
    .btn-primary,
    .btn-secondary,
    .status-badge {
        transform: none !important;
        animation: none !important;
        opacity: 1 !important;
    }
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    animation: fadeIn 0.8s ease 0.4s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Hero Sidebar (Stats + Tech Stack) */
.hero-sidebar {
    flex: 0 0 380px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    opacity: 0;
    animation: slideInRight 1s ease 0.6s forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Statistics Cards */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tech Stack */
.hero-tech {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.tech-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: default;
}

.tech-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.tech-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tech-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.tech-name {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow);
}

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

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

.btn-link {
    background: var(--accent);
    border: 2px solid var(--accent);
    color: white;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.875rem;
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-top: auto;
}

.btn-link:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
    gap: 0.75rem;
}

/* ===== Theme Switcher ===== */
/* ===== Compact Theme Switcher ===== */
.theme-switcher {
    position: fixed;
    top: -100px;
    right: var(--spacing-md);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    perspective: 1000px;
}

/* Loaded state - triggers slide-down animation */
.theme-switcher.loaded {
    animation: slideDownTheme 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes slideDownTheme {
    0% {
        top: -100px;
        opacity: 0;
        visibility: hidden;
    }
    100% {
        top: var(--spacing-md);
        opacity: 1;
        visibility: visible;
    }
}

/* Hidden state - scroll down (slide up animation) - для развёрнутой кнопки */
.theme-switcher.loaded.hiding:not(.compact) {
    animation: slideUpThemeExpanded 0.6s cubic-bezier(0.6, -0.28, 0.735, 0.045) forwards;
}

@keyframes slideUpThemeExpanded {
    0% {
        top: var(--spacing-md);
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1) rotate(0deg);
    }
    100% {
        top: var(--spacing-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-50px) scale(0.8) rotate(-5deg);
    }
}

/* Hidden state - scroll down (slide up animation) - для компактной кнопки */
.theme-switcher.loaded.hiding.compact {
    animation: slideUpThemeCompact 0.6s cubic-bezier(0.6, -0.28, 0.735, 0.045) forwards;
}

@keyframes slideUpThemeCompact {
    0% {
        top: var(--spacing-md);
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1) rotate(0deg);
    }
    100% {
        top: var(--spacing-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-30px) scale(0.5) rotate(-10deg);
    }
}

/* Showing state - scroll up (slide from side animation) */
.theme-switcher.loaded.showing {
    animation: slideFromRight 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes slideFromRight {
    0% {
        top: var(--spacing-md);
        opacity: 0;
        visibility: hidden;
        transform: translateX(100px) scale(0.8) rotate(10deg);
    }
    100% {
        top: var(--spacing-md);
        opacity: 1;
        visibility: visible;
        transform: translateX(0) scale(1) rotate(0deg);
    }
}

/* Final hidden state */
.theme-switcher.loaded.hidden {
    top: var(--spacing-md);
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none;
    transform: translateY(-50px) !important;
}

/* Current Theme Button (compact) */
.theme-current {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
}

.theme-current:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
    border-color: var(--accent);
}

.current-theme-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.current-theme-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 200px; /* Начальная максимальная ширина */
    opacity: 1;
    overflow: hidden;
    transition: max-width 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                margin 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Компактное состояние - только эмодзи */
.theme-switcher.compact .theme-current {
    padding: 8px;
    gap: 0;
    min-width: 40px;
}

.theme-switcher.compact .current-theme-name {
    max-width: 0; /* Плавное уменьшение до 0 */
    opacity: 0;
    margin: 0;
    overflow: hidden;
}

/* Расширенное состояние - с текстом */
.theme-switcher.expanded .theme-current,
.theme-switcher:not(.compact) .theme-current {
    padding: 8px 16px;
    gap: var(--spacing-xs);
}

.theme-switcher.expanded .current-theme-name,
.theme-switcher:not(.compact) .current-theme-name {
    width: auto;
    max-width: 200px;
    opacity: 1;
}

/* Fix for dark theme - white text on light backgrounds */
[data-theme="dark"] .current-theme-name {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .theme-name {
    color: rgba(255, 255, 255, 0.9);
}

/* Make dark theme option text always dark and visible on all themes */
.theme-option[data-theme="dark"] .theme-name {
    color: #2c2c2c !important;
    opacity: 1 !important;
}

/* Override for light themes - dark theme text should be dark */
[data-theme="purple"] .theme-option[data-theme="dark"] .theme-name,
[data-theme="blue"] .theme-option[data-theme="dark"] .theme-name,
[data-theme="light"] .theme-option[data-theme="dark"] .theme-name {
    color: #2c2c2c !important;
}

/* When dark theme is active, make the current button text white */
[data-theme="dark"] .theme-current .current-theme-name {
    color: white !important;
}

/* When dark theme is active in dropdown, all other themes text should be white */
[data-theme="dark"] .theme-option .theme-name {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* But dark theme option itself should be darker when shown in dark theme dropdown */
[data-theme="dark"] .theme-option[data-theme="dark"] .theme-name {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Theme Dropdown - базовые стили */
.theme-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 8px;
    min-width: 200px;
    box-shadow: 0 8px 32px var(--shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform-origin: top right;

    /* Закрытое состояние по умолчанию */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(0.8) translateY(-15px);
}

/* Открытое состояние dropdown - плавная анимация появления */
.theme-switcher.expanded .theme-dropdown {
    animation: dropdownSlideIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    pointer-events: all;
}

@keyframes dropdownSlideIn {
    0% {
        opacity: 0;
        visibility: hidden;
        transform: scale(0.9) translateY(-10px);
    }
    1% {
        visibility: visible;
    }
    100% {
        opacity: 1;
        visibility: visible;
        transform: scale(1) translateY(0);
    }
}

/* Закрытие dropdown - плавное исчезновение */
.theme-switcher:not(.expanded) .theme-dropdown {
    animation: dropdownSlideOut 0.25s ease-out forwards;
}

@keyframes dropdownSlideOut {
    0% {
        opacity: 1;
        visibility: visible;
        transform: scale(1) translateY(0);
    }
    99% {
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
        transform: scale(0.8) translateY(-15px);
    }
}

/* Theme Options */
.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 14px;
    width: 100%;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.theme-option:hover {
    background: var(--bg-primary);
    border-color: var(--border);
    transform: translateX(4px);
}

.theme-option.active {
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.15), rgba(var(--accent-rgb), 0.05));
    border-color: var(--accent);
}

.theme-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.theme-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.theme-option.active .theme-name {
    font-weight: 600;
    color: var(--accent);
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===== Sections ===== */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: clamp(1rem, 2vw, 1.125rem);
}

/* ===== Projects Section ===== */
.projects {
    background-color: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--bg-primary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    /* Аппаратное ускорение для плавности */
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateZ(0);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow);
}

.project-image {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-logo {
    width: 120px;
    height: 120px;
    position: relative;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
}

/* Default frame (light/dark themes) */
.project-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    z-index: 2;
    pointer-events: none;
}

/* Halloween theme frame */
html[data-theme="halloween"] .project-logo {
    background: rgba(0, 0, 0, 0.7);
}

html[data-theme="halloween"] .project-logo::before {
    background-image: url('https://cdn.fastly.steamstatic.com/steamcommunity/public/images/items/860950/6e1b5f5977036a189465f5455f2c54722c12883d.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
}

/* Hello Kitty theme frame - Glass effect */
html[data-theme="hellokitty"] .project-logo {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(255, 105, 180, 0.2);
}

html[data-theme="hellokitty"] .project-logo::before {
    background-image: url('https://cdn.fastly.steamstatic.com/steamcommunity/public/images/items/527230/18ec71cb7da1182d32164890bac8411a09e26e46.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
}

.project-logo:hover {
    transform: scale(1.05);
}

.project-logo img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    z-index: 1;
    position: relative;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: 600;
}

.project-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.project-title {
    margin: 0;
    flex: 1;
}

.project-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    background: var(--accent);
    color: white;
    border-radius: 6px;
    white-space: nowrap;
}

.project-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

.project-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* ===== Contact Section ===== */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info h3 {
    margin: 0;
    font-size: 1.125rem;
}

.contact-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero {
        min-height: 80vh;
    }

    /* Gaming фон на мобилке - делаем менее заметным */
    .hero::before {
        opacity: 0.08;
        background-size: cover;
    }

    /* Hide fullpage navigation on mobile */
    .fullpage-nav {
        display: none !important;
    }

    .theme-switcher {
        top: -100px;
        right: var(--spacing-sm);
    }

    .theme-switcher.loaded {
        animation: slideDownThemeMobile 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards !important;
    }

    @keyframes slideDownThemeMobile {
        0% {
            top: -100px;
            opacity: 0;
            visibility: hidden;
        }
        100% {
            top: var(--spacing-sm);
            opacity: 1;
            visibility: visible;
        }
    }

    .theme-switcher.loaded.hidden {
        top: var(--spacing-sm) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transform: translateY(-100px) !important;
    }

    .theme-current {
        padding: 6px 12px;
    }

    .current-theme-name {
        font-size: 0.8rem;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

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

    /* Project cards на мобилке */
    .project-card {
        margin-bottom: var(--spacing-md);
        /* Дополнительная оптимизация для мобильных */
        will-change: opacity;
        transform: translateZ(0);
    }

    /* Отключаем hover эффекты на мобильных */
    .project-card:hover {
        transform: translateZ(0);
    }

    .project-image {
        aspect-ratio: 16 / 9;
    }

    .project-logo {
        width: 100px;
        height: 100px;
        padding: 12px;
    }

    .project-stats {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .stat-item {
        min-width: calc(33.33% - var(--spacing-sm));
    }

    .project-tags {
        gap: 0.4rem;
    }

    .tag {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .theme-dropdown {
        min-width: 180px;
    }

    .current-theme-icon {
        font-size: 1.3rem;
    }

    /* Project cards на очень маленьких экранах */
    .project-logo {
        width: 80px;
        height: 80px;
        padding: 10px;
    }

    .stat-item {
        min-width: calc(50% - var(--spacing-sm));
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    /* FORCE hide theme switcher when hidden class is present */
    .theme-switcher.loaded.hidden {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transform: translateY(-100px) !important;
        display: none !important;
    }
}

/* ===== Fullpage Scroll ===== */
/* Только для десктопов (>768px) */
@media (min-width: 769px) {
    html {
        scroll-behavior: auto;
        overflow-x: hidden;
    }

    body {
        overflow-x: hidden;
    }

    .fullpage-section {
        min-height: 100vh;
        padding-top: 10vh;
        padding-bottom: 5vh;
        position: relative;
    }

    /* Специальная разметка для секции проектов */
    .fullpage-section.projects {
        min-height: auto; /* Разрешаем естественную высоту */
    }

    /* Сетка для 2 проектов в ряд */
    .projects-grid-two {
        grid-template-columns: repeat(2, 1fr) !important;
        max-width: 950px; /* Делаем карточки уже, чтобы не перекрывались с навигацией */
        margin: 0 auto;
        gap: var(--spacing-lg); /* Больше расстояние между карточками */
    }

    /* Компактные карточки для fullpage режима */
    .projects-grid-two .project-card {
        max-height: 70vh; /* Ограничиваем высоту */
    }

    /* Уменьшаем отступы внутри карточек */
    .projects-grid-two .project-content {
        padding: 1rem;
    }

    /* Компактные размеры текста */
    .projects-grid-two .project-title {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .projects-grid-two .project-desc {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }

    .projects-grid-two .project-stats {
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .projects-grid-two .stat-value {
        font-size: 1.25rem;
    }

    .projects-grid-two .stat-label {
        font-size: 0.65rem;
    }

    .projects-grid-two .project-tags {
        gap: 0.35rem;
        margin-bottom: 0.75rem;
    }

    .projects-grid-two .tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }

    .projects-grid-two .project-image {
        aspect-ratio: 16 / 8; /* Делаем картинку менее высокой */
    }

    /* Опускаем секцию контактов ниже */
    .fullpage-section.contact {
        padding-top: 20vh;
        min-height: 90vh;
    }

    /* Якорь для скролла к 4-му проекту */
    .scroll-anchor {
        position: absolute;
        height: 1px;
        width: 1px;
        opacity: 0;
        pointer-events: none;
    }

    /* Позиционируем якорь чуть выше 4-го проекта */
    #projects-2.scroll-anchor {
        margin-top: -15vh;
    }
}

/* ===== Fullpage Navigation (боковая панель с точками) ===== */
.fullpage-nav {
    position: fixed;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: none; /* Скрыто по умолчанию, покажем через JS */
}

@media (min-width: 769px) {
    .fullpage-nav {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

.nav-dot {
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-dot .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    border: 2px solid var(--bg-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.nav-dot .dot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    display: none; /* Hide icons by default */
}

.nav-dot .nav-label {
    position: absolute;
    right: 28px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border);
    box-shadow: 0 4px 16px var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-dot:hover .nav-label,
.nav-dot.active .nav-label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-dot:hover .dot {
    border-color: var(--accent);
    transform: scale(1.15);
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-dot:hover .dot img {
    opacity: 1;
}

.nav-dot.active .dot {
    border-color: var(--accent);
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--accent-glow);
    background: rgba(var(--accent-rgb, 139, 92, 246), 0.1);
}

.nav-dot.active .dot img {
    opacity: 1;
}

.nav-dot.active .nav-label {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ===== Mobile Responsive for Hero Section ===== */
@media (max-width: 768px) {
    .hero-wrapper {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-greeting {
        justify-content: center;
    }

    .hero-status {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-sidebar {
        flex: 1;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}