:root {
    /* Dark Theme (Default) - Apple-inspired */
    --bg-color: #000000;
    --bg-secondary: #0a0a0a;
    --text-color: #f5f5f7;
    --text-muted: #86868b;
    --accent-color: #0a84ff;
    --accent-secondary: #30d158;
    --accent-tertiary: #bf5af2;
    --glass-bg: rgba(29, 29, 31, 0.72);
    --glass-bg-strong: rgba(29, 29, 31, 0.92);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-strong: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-shadow-lg: 0 24px 80px 0 rgba(0, 0, 0, 0.6);
    --card-hover: rgba(255, 255, 255, 0.04);
    
    --gradient-primary: linear-gradient(135deg, #0a84ff 0%, #30d158 100%);
    --gradient-secondary: linear-gradient(135deg, #bf5af2 0%, #ff375f 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 20%, rgba(10, 132, 255, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 80%, rgba(48, 209, 88, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 50% 50%, rgba(191, 90, 242, 0.1) 0%, transparent 50%);
    
    --font-main: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --transition: cubic-bezier(0.4, 0.0, 0.2, 1);
}

[data-theme="light"] {
    --bg-color: #f5f5f7;
    --bg-secondary: #ffffff;
    --text-color: #1d1d1f;
    --text-muted: #6e6e73;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-bg-strong: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-strong: rgba(0, 0, 0, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.12);
    --glass-shadow-lg: 0 24px 80px 0 rgba(0, 0, 0, 0.2);
    --card-hover: rgba(0, 0, 0, 0.03);
}

/* ==================== BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

body {
    font-family: var(--font-main);
    font-size: 17px;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.5s var(--transition);
    /* Оптимизация для мобильных */
    -webkit-overflow-scrolling: touch;
}

/* ==================== ANIMATED BACKGROUND ==================== */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.mesh-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-mesh);
    opacity: 0.6;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    will-change: transform;
    animation: float 25s infinite ease-in-out;
}

.blob-1 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #0a84ff 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.blob-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #30d158 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    animation-delay: -10s;
}

.blob-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #bf5af2 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(80px, -100px) scale(1.1) rotate(90deg); }
    50% { transform: translate(-50px, 80px) scale(0.95) rotate(180deg); }
    75% { transform: translate(60px, 50px) scale(1.05) rotate(270deg); }
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

h1 {
    font-size: clamp(3rem, 10vw, 6.5rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 10s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 0.75rem;
}

.subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ==================== LAYOUT ==================== */
.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 clamp(16px, 5vw, 80px);
    box-sizing: border-box;
}

section {
    padding: clamp(5rem, 12vw, 10rem) 0;
    position: relative;
    z-index: 1;
}

.section-header {
    margin-bottom: 4rem;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 700px;
    line-height: 1.7;
}

/* ==================== HEADER / NAVIGATION ==================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 0.4s var(--transition);
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -1px;
    cursor: pointer;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    transition: all 0.3s var(--transition);
    position: relative;
    z-index: 1;
}

.logo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.logo:hover::before {
    opacity: 0.15;
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    position: relative;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all 0.3s var(--transition);
    cursor: pointer;
}

.nav-link span {
    position: relative;
    z-index: 1;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--card-hover);
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

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

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

.controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Language Switcher - Liquid Glass */
.lang-switch {
    display: flex;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 5px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: calc(var(--radius-xl) - 5px);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s var(--transition);
    position: relative;
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(10, 132, 255, 0.4);
}

.lang-btn:not(.active):hover {
    color: var(--text-color);
    background: var(--card-hover);
}

/* Icon Button */
.icon-btn {
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.1rem;
}

.icon-btn i {
    color: inherit;
    display: inline-block;
}

.icon-btn:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(10, 132, 255, 0.4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
}

/* ==================== GLASS CARDS ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.4s var(--transition);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    will-change: transform;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
}

.glass-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.hover-glow:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--glass-border-strong);
    box-shadow: var(--glass-shadow-lg), 0 0 80px -15px var(--accent-color);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

.hover-glow:hover::after {
    opacity: 1;
}

/* Tilt 3D Effect */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

.tilt-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.12) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 1;
}

.tilt-card:hover::before {
    opacity: 1;
}

.tilt-card > * {
    position: relative;
    z-index: 2;
}

.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

.tilt-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.12) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 1;
}

.tilt-card:hover::before {
    opacity: 1;
}

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

.hero-content {
    max-width: 1100px;
    z-index: 10;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(48, 209, 88, 0.3);
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    color: var(--accent-secondary);
    margin-bottom: 2.5rem;
    font-family: var(--font-mono);
    box-shadow: 0 4px 24px rgba(48, 209, 88, 0.2);
    animation: badge-float 3s ease-in-out infinite;
}

@keyframes badge-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-secondary);
    border-radius: 50%;
    margin-right: 12px;
    box-shadow: 0 0 20px var(--accent-secondary);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

.hero-description {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 750px;
    margin: 0 auto 3rem;
    line-height: 1.75;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s var(--transition);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    position: relative;
}

.social-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 12px 48px rgba(10, 132, 255, 0.3);
}

.social-btn:hover::before {
    opacity: 0.15;
}

.social-btn i,
.social-btn span {
    position: relative;
    z-index: 1;
}

.social-btn i {
    color: inherit;
    display: inline-block;
    font-size: 1.1rem;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s var(--transition);
    box-shadow: 0 8px 32px rgba(10, 132, 255, 0.4);
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 56px rgba(10, 132, 255, 0.5);
}

.btn-secondary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s var(--transition);
    overflow: hidden;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    border-color: var(--accent-color);
    box-shadow: 0 12px 48px rgba(10, 132, 255, 0.25);
}

/* ==================== TERMINAL ==================== */
.terminal {
    padding: 0;
    overflow: hidden;
    text-align: left;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(60px) saturate(180%);
    -webkit-backdrop-filter: blur(60px) saturate(180%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow-lg), 0 0 100px rgba(10, 132, 255, 0.1);
    max-width: 850px;
    margin: 0 auto;
    transition: all 0.4s var(--transition);
}

.terminal:hover {
    box-shadow: var(--glass-shadow-lg), 0 0 120px rgba(10, 132, 255, 0.2);
    transform: translateY(-4px);
}

.terminal-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: transform 0.2s ease;
    cursor: pointer;
}

.dot:hover {
    transform: scale(1.25);
}

.red { background: linear-gradient(135deg, #ff5f57 0%, #ff3b30 100%); box-shadow: 0 2px 8px rgba(255, 95, 87, 0.4); }
.yellow { background: linear-gradient(135deg, #febc2e 0%, #ff9500 100%); box-shadow: 0 2px 8px rgba(254, 188, 46, 0.4); }
.green { background: linear-gradient(135deg, #28c840 0%, #30d158 100%); box-shadow: 0 2px 8px rgba(40, 200, 64, 0.4); }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.terminal-body {
    padding: 28px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-color);
}

.command-line {
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
}

.prompt {
    color: var(--accent-secondary);
    font-weight: 700;
    margin-right: 12px;
    text-shadow: 0 0 10px var(--accent-secondary);
}

.cmd {
    color: var(--text-color);
}

.output-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2.5rem;
    align-items: start;
}

.ascii-art {
    color: var(--accent-color);
    white-space: pre;
    font-size: 0.75rem;
    line-height: 1.2;
    text-shadow: 0 0 10px var(--accent-color);
}

.neofetch-title {
    color: var(--text-color);
    font-weight: 700;
    text-shadow: none;
}

.sys-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sys-info div {
    display: flex;
    gap: 16px;
}

.sys-info .key {
    color: var(--accent-color);
    font-weight: 700;
    min-width: 90px;
}

.sys-info .val {
    color: var(--text-color);
}

/* ==================== STATS ROW ==================== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    background: var(--card-hover);
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ==================== ABOUT SECTION ==================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-bottom: 2rem;
}

.about-card {
    padding: 3rem;
    border-radius: var(--radius-xl);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.75rem;
    box-shadow: 0 8px 32px rgba(10, 132, 255, 0.35);
}

.card-icon i {
    color: inherit;
}

.icon-emoji, .footer-icon, .skill-icon, .theme-icon {
    display: inline-block;
    font-style: normal;
    font-size: inherit;
}

.about-card p {
    color: var(--text-muted);
    line-height: 1.75;
    font-size: 1.05rem;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.tag {
    padding: 10px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    font-weight: 500;
    transition: all 0.3s var(--transition);
    cursor: default;
}

.tag:hover {
    border-color: var(--accent-color);
    background: rgba(10, 132, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(10, 132, 255, 0.25);
}

/* ==================== PORTFOLIO SECTION ==================== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s var(--transition);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 0;
}

.filter-btn > * {
    position: relative;
    z-index: 1;
}

.filter-btn:hover {
    color: var(--text-color);
    border-color: var(--glass-border-strong);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(10, 132, 255, 0.35);
    transform: scale(1.05);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.project-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-style: preserve-3d;
    will-change: transform;
    box-shadow: var(--glass-shadow-md);
}

.project-card:hover {
    border-color: rgba(10, 132, 255, 0.4);
    box-shadow: 0 20px 60px rgba(10, 132, 255, 0.2),
                0 0 80px rgba(10, 132, 255, 0.1),
                var(--glass-shadow-lg);
    transform: translateY(-8px) scale(1.02);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--transition);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(-45deg, 
        rgba(10, 132, 255, 0.06) 0%, 
        rgba(48, 209, 88, 0.06) 25%,
        rgba(191, 90, 242, 0.06) 50%,
        rgba(10, 132, 255, 0.06) 75%,
        rgba(48, 209, 88, 0.06) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.project-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, 
        rgba(10, 132, 255, 0.1) 0%, 
        transparent 70%);
    opacity: 0;
    transition: opacity 0.6s;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

[data-theme="dark"] .project-placeholder {
    background: linear-gradient(-45deg, 
        rgba(10, 132, 255, 0.1) 0%, 
        rgba(48, 209, 88, 0.1) 25%,
        rgba(191, 90, 242, 0.1) 50%,
        rgba(10, 132, 255, 0.1) 75%,
        rgba(48, 209, 88, 0.1) 100%);
    background-size: 400% 400%;
}

.project-card:hover .project-image,
.project-card:hover .project-placeholder {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.05) 30%,
        rgba(255, 255, 255, 0.97) 100%);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem 2rem 2rem 2rem;
    opacity: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .project-overlay {
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0) 0%, 
        rgba(0, 0, 0, 0.2) 30%,
        rgba(0, 0, 0, 0.88) 100%);
}
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem 2.5rem 2.5rem 2.5rem;
    opacity: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .project-overlay {
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0) 0%, 
        rgba(0, 0, 0, 0.2) 30%,
        rgba(0, 0, 0, 0.88) 100%);
}

.project-card:hover .project-overlay {
    backdrop-filter: blur(20px) saturate(120%);
    -webkit-backdrop-filter: blur(20px) saturate(120%);
}

.project-card:hover .project-placeholder {
    background: linear-gradient(-45deg, 
        rgba(10, 132, 255, 0.12) 0%, 
        rgba(48, 209, 88, 0.12) 25%,
        rgba(191, 90, 242, 0.12) 50%,
        rgba(10, 132, 255, 0.12) 75%,
        rgba(48, 209, 88, 0.12) 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

.project-card:hover .project-placeholder::before {
    opacity: 1;
}

[data-theme="dark"] .project-card:hover .project-placeholder {
    background: linear-gradient(-45deg, 
        rgba(10, 132, 255, 0.18) 0%, 
        rgba(48, 209, 88, 0.18) 25%,
        rgba(191, 90, 242, 0.18) 50%,
        rgba(10, 132, 255, 0.18) 75%,
        rgba(48, 209, 88, 0.18) 100%);
    background-size: 400% 400%;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.project-tag {
    padding: 8px 16px;
    background: rgba(10, 132, 255, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(10, 132, 255, 0.25);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-weight: 600;
    transition: all 0.3s var(--transition);
    box-shadow: 0 2px 8px rgba(10, 132, 255, 0.1);
}

.project-tag:hover {
    background: rgba(10, 132, 255, 0.2);
    border-color: rgba(10, 132, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.2);
}

[data-theme="dark"] .project-tag {
    background: rgba(10, 132, 255, 0.2);
    border: 1px solid rgba(10, 132, 255, 0.35);
}

.project-title {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -0.02em;
    transition: color 0.3s;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    transition: color 0.3s;
}

[data-theme="dark"] .project-title {
    color: #fff;
}

[data-theme="dark"] .project-desc {
    color: rgba(255, 255, 255, 0.75);
}

.project-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(10, 132, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(10, 132, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 0;
}

.project-link span,
.project-link i {
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}

.project-link:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 24px rgba(10, 132, 255, 0.3);
}

.project-link:hover::before {
    opacity: 1;
}

.project-link:hover span,
.project-link:hover i {
    color: #fff;
}

[data-theme="dark"] .project-link {
    color: #fff;
    background: rgba(10, 132, 255, 0.2);
}

[data-theme="dark"] .project-link:hover span,
[data-theme="dark"] .project-link:hover i {
    color: #fff;
}

.project-card.featured {
    grid-column: span 2;
    aspect-ratio: 2/1;
}

/* ==================== SKILLS SECTION ==================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-category {
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    transition: all 0.3s var(--transition);
}

.skill-category:hover {
    transform: translateY(-4px);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.skill-category h3 i {
    color: var(--accent-color);
    font-size: 1.75rem;
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-color);
}

.skill-percent {
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
}

.skill-bar {
    height: 10px;
    background: var(--glass-bg);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 12px;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 20px var(--accent-color);
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ==================== HOSTING / PRICING ==================== */
.hosting-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.price-card {
    position: relative;
    padding: 3rem;
    text-align: center;
    border-radius: var(--radius-xl);
    transition: all 0.4s var(--transition);
}

.price-card:hover {
    transform: translateY(-8px) scale(1.02);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

.price-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--accent-color);
    box-shadow: var(--glass-shadow-lg), 0 0 80px -15px var(--accent-color);
}

.badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #fff;
    padding: 8px 24px;
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 20px rgba(10, 132, 255, 0.45);
}

.price-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.price-period {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.spec-list {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
}

.spec-list li {
    margin-bottom: 1.25rem;
    padding-left: 2.25rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.spec-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-weight: 900;
    font-size: 1.1rem;
}

.price-card .btn-primary {
    width: 100%;
    justify-content: center;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(10, 132, 255, 0.3);
}

.feature-icon i {
    color: inherit;
}

.feature-card h4 {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==================== CONTACT SECTION ==================== */
.contact-wrapper-center {
    max-width: 900px;
    margin: 0 auto;
}

.contact-card-large {
    padding: 3rem;
    border-radius: var(--radius-xl);
}

.contact-card-large h3 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.75rem;
}

.contact-grid-large {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.contact-item-btn {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--card-hover);
    border-radius: var(--radius-xl);
    transition: all 0.3s var(--transition);
    text-decoration: none;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.contact-item-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 0;
}

.contact-item-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
}

.contact-item-btn > * {
    position: relative;
    z-index: 1;
}

.contact-item-btn:hover {
    background: rgba(10, 132, 255, 0.1);
    transform: translateX(10px) scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 12px 48px rgba(10, 132, 255, 0.3);
}

.contact-item-btn:hover::before {
    opacity: 0.05;
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(10, 132, 255, 0.35);
    transition: all 0.3s var(--transition);
}

.contact-item-btn:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(10, 132, 255, 0.5);
}

.contact-icon i {
    color: inherit;
}

.contact-text {
    flex: 1;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.contact-value {
    font-size: 1.15rem;
    color: var(--text-color);
    font-weight: 600;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    padding: 2.5rem;
}

.contact-card h3 {
    margin-bottom: 2rem;
}

.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--card-hover);
    border-radius: var(--radius-md);
    transition: all 0.3s var(--transition);
    cursor: pointer;
}

.contact-item:hover {
    background: rgba(10, 132, 255, 0.1);
    transform: translateX(10px);
}

.contact-item i {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.contact-item i::before {
    color: inherit;
}

.contact-item span {
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-card {
    padding: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: all 0.3s var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.1);
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

/* ==================== FOOTER ==================== */
footer {
    text-align: center;
    padding: 5rem 0 3rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 6rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.footer-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s var(--transition);
    font-size: 1.25rem;
}

.footer-social a i {
    color: inherit;
    display: inline-block;
}

.footer-social a:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(10, 132, 255, 0.4);
}

.footer-bottom {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 2rem;
}

.footer-bottom .mono {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.7;
}

#easter-egg-trigger {
    cursor: pointer;
    transition: color 0.3s ease;
}

#easter-egg-trigger:hover {
    color: var(--accent-color);
}

/* ==================== MODAL ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity 0.4s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    max-width: 550px;
    text-align: center;
    animation: modal-pop 0.5s var(--transition);
}

@keyframes modal-pop {
    from {
        transform: scale(0.8) translateY(40px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.modal-content img {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-top: 1.5rem;
}

/* ==================== GLITCH EFFECT ==================== */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.glitch::before {
    left: 3px;
    text-shadow: -3px 0 #ff00c1;
    clip: rect(44px, 9999px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -3px;
    text-shadow: -3px 0 #00fff9;
    clip: rect(44px, 9999px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(31px, 9999px, 94px, 0); }
    5% { clip: rect(70px, 9999px, 71px, 0); }
    10% { clip: rect(65px, 9999px, 28px, 0); }
    15% { clip: rect(51px, 9999px, 41px, 0); }
    20% { clip: rect(44px, 9999px, 60px, 0); }
    25% { clip: rect(10px, 9999px, 85px, 0); }
    100% { clip: rect(76px, 9999px, 97px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    5% { clip: rect(52px, 9999px, 74px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(40px, 9999px, 79px, 0); }
    20% { clip: rect(50px, 9999px, 42px, 0); }
    25% { clip: rect(96px, 9999px, 43px, 0); }
    100% { clip: rect(71px, 9999px, 62px, 0); }
}

/* ==================== ANIMATIONS ==================== */
.reveal {
    opacity: 0;
    transform: translateY(50px) translateZ(0);
    transition: all 1s var(--transition);
    will-change: transform, opacity;
}

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

.floating {
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-25px); }
}

/* ==================== RESPONSIVE DESIGN ==================== */
/* ==================== RESPONSIVE: TABLETS & SMALL LAPTOPS (1200px) ==================== */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .project-card.featured {
        grid-column: span 2;
    }
    
    .hosting-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .price-card.featured {
        transform: none;
    }
    
    .terminal {
        font-size: 0.85rem;
    }
    
    .output-grid {
        gap: 2rem;
    }
}

/* ==================== RESPONSIVE: TABLETS (992px) ==================== */
@media (max-width: 992px) {
    /* Навигация */
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--glass-bg);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        border-bottom: 1px solid var(--glass-border);
        box-shadow: var(--glass-shadow-lg);
        padding: 1.5rem;
        gap: 0.5rem;
        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        z-index: 999;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
    }
    
    .nav-links.active::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        animation: fadeIn 0.3s ease;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .nav-link {
        width: 100%;
        padding: 14px 18px;
        text-align: left;
        border-radius: var(--radius-lg);
    }
    
    .mobile-menu-btn {
        display: flex;
        width: 48px;
        height: 48px;
        background: var(--glass-bg);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        cursor: pointer;
        transition: all 0.3s var(--transition);
    }
    
    .mobile-menu-btn:hover {
        background: var(--card-hover);
        border-color: rgba(10, 132, 255, 0.4);
    }
    
    .mobile-menu-btn span {
        display: block;
        width: 22px;
        height: 2.5px;
        background: var(--text-color);
        border-radius: 3px;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
    
    /* Hero section */
    h1 {
        font-size: clamp(2.5rem, 6vw, 4rem);
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
    }
    
    /* Layouts */
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Cards остаются с эффектами */
    .glass-card {
        padding: 2rem;
    }
    
    .tilt-card:hover {
        transform: translateY(-4px) scale(1.01);
    }
}

/* ==================== RESPONSIVE: MOBILE (768px) ==================== */
@media (max-width: 768px) {
    /* Sections */
    section {
        padding: clamp(3rem, 8vw, 5rem) 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding-top: 140px;
        padding-bottom: 60px;
    }
    
    h1 {
        font-size: clamp(2.25rem, 7vw, 3.5rem);
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }
    
    h2 {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    /* Terminal & Output */
    .output-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .ascii-art {
        display: none;
    }
    
    .terminal {
        padding: 1.5rem;
        font-size: 0.8rem;
    }
    
    .terminal-header {
        margin-bottom: 1rem;
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card.featured {
        grid-column: span 1;
        aspect-ratio: 4/3;
    }
    
    .project-overlay {
        padding: 1.5rem;
    }
    
    .project-title {
        font-size: 1.35rem;
    }
    
    .project-desc {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .project-tag {
        padding: 6px 12px;
        font-size: 0.7rem;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
        gap: 0.75rem;
        justify-content: center;
    }
    
    .filter-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
    
    /* Stats */
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .stat-card {
        padding: 1.75rem 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* About & Skills */
    .about-grid {
        gap: 1.5rem;
    }
    
    .about-card,
    .skill-category {
        padding: 2rem 1.75rem;
    }
    
    /* Hosting */
    .hosting-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .price-card {
        padding: 2rem 1.75rem;
    }
    
    /* Contact */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-item-btn {
        padding: 1.75rem 1.5rem;
        gap: 1.5rem;
        flex-direction: row;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.75rem;
    }
    
    .contact-info h3 {
        font-size: 1.1rem;
    }
    
    .contact-info p {
        font-size: 0.9rem;
    }
    
    /* Buttons */
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .social-links {
        width: 100%;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .social-btn {
        flex: 1;
        min-width: 140px;
        justify-content: center;
        padding: 12px 20px;
    }
    
    /* Header остается с glassmorphism */
    header {
        padding: 0.875rem 0;
    }
    
    .header-inner {
        gap: 0.5rem;
    }
    
    .logo {
        font-size: 1.1rem;
        padding: 8px 10px;
        letter-spacing: -0.5px;
    }
    
    /* Скрываем переключатель языков на мобильных */
    .lang-switch {
        display: none;
    }
    
    .controls {
        gap: 0.5rem;
    }
    
    .icon-btn {
        width: 42px;
        height: 42px;
        font-size: 1.25rem;
    }
    
    .mobile-menu-btn {
        flex-shrink: 0;
    }
    
    /* Сохраняем 3D эффекты на touch устройствах */
    .tilt-card {
        transition: transform 0.3s var(--transition);
    }
    
    .tilt-card:active {
        transform: scale(0.98);
    }
}

/* ==================== RESPONSIVE: SMALL MOBILE (480px) ==================== */
@media (max-width: 480px) {
    /* Container */
    .container {
        padding: 0 clamp(16px, 4vw, 24px);
    }
    
    /* Typography */
    h1 {
        font-size: clamp(2rem, 8vw, 2.75rem);
        line-height: 1.2;
    }
    
    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    
    h3 {
        font-size: 1.15rem;
    }
    
    /* Cards - сохраняем glassmorphism */
    .glass-card {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }
    
    .about-card,
    .skill-category,
    .price-card {
        padding: 1.75rem 1.5rem;
    }
    
    .stat-card {
        padding: 1.5rem 1.25rem;
    }
    
    /* Hero */
    .hero {
        padding-top: 120px;
        padding-bottom: 50px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    /* Terminal */
    .terminal {
        padding: 1.25rem;
        font-size: 0.75rem;
    }
    
    .terminal-buttons {
        gap: 6px;
    }
    
    .terminal-button {
        width: 10px;
        height: 10px;
    }
    
    /* Projects */
    .project-overlay {
        padding: 1.25rem;
    }
    
    .project-title {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .project-desc {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 1rem;
    }
    
    .project-tag {
        padding: 5px 10px;
        font-size: 0.65rem;
    }
    
    .project-tags {
        gap: 0.4rem;
        margin-bottom: 0.75rem;
    }
    
    .project-link {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
    
    .filter-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    
    /* Stats */
    .stats-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    /* Skills */
    .skill-name {
        font-size: 0.9rem;
    }
    
    .skill-percentage {
        font-size: 0.85rem;
    }
    
    /* Contact */
    .contact-item-btn {
        padding: 1.5rem 1.25rem;
        gap: 1.25rem;
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .contact-info {
        align-items: center;
    }
    
    .contact-info h3 {
        font-size: 1rem;
    }
    
    .contact-info p {
        font-size: 0.85rem;
    }
    
    /* Buttons */
    .btn-primary,
    .btn-secondary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .social-btn {
        min-width: 100%;
        padding: 11px 18px;
        font-size: 0.9rem;
    }
    
    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: 1.25rem;
        align-items: center;
    }
    
    .footer-link {
        font-size: 0.9rem;
    }
    
    /* Header */
    header {
        padding: 0.75rem 0;
    }
    
    .header-inner {
        gap: 0.375rem;
    }
    
    .logo {
        font-size: 0.95rem;
        padding: 6px 8px;
        letter-spacing: -0.3px;
    }
    
    .icon-btn {
        width: 38px;
        height: 38px;
        font-size: 1.15rem;
    }
    
    .mobile-menu-btn {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
    
    .mobile-menu-btn span {
        width: 18px;
    }
    
    /* Animations - уменьшаем для performance */
    .tilt-card {
        transform-style: flat;
    }
    
    .tilt-card:active {
        transform: scale(0.97);
    }
    
    /* Hover эффекты заменяем на active для touch */
    .glass-card:active {
        transform: scale(0.98);
    }
    
    .project-card:active .project-placeholder {
        animation: gradientShift 5s ease infinite;
    }
}

/* ==================== RESPONSIVE: EXTRA SMALL (360px) ==================== */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    header {
        padding: 0.625rem 0;
    }
    
    .header-inner {
        gap: 0.25rem;
    }
    
    .logo {
        font-size: 0.85rem;
        padding: 5px 6px;
    }
    
    .controls {
        gap: 0.375rem;
    }
    
    .icon-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    
    .mobile-menu-btn {
        width: 38px;
        height: 38px;
    }
    
    .mobile-menu-btn span {
        width: 16px;
        height: 2px;
    }
    
    h1 {
        font-size: clamp(1.75rem, 9vw, 2.5rem);
    }
    
    h2 {
        font-size: clamp(1.35rem, 7vw, 1.85rem);
    }
    
    .glass-card {
        padding: 1.25rem;
    }
    
    .project-overlay {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1.25rem 1rem;
    }
    
    .filter-btn {
        padding: 7px 12px;
        font-size: 0.75rem;
    }
}

/* ==================== LANDSCAPE MODE FOR MOBILE ==================== */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        padding-top: 100px;
        padding-bottom: 40px;
        min-height: auto;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1.5rem;
    }
}

/* ==================== TOUCH DEVICE OPTIMIZATIONS ==================== */
@media (hover: none) and (pointer: coarse) {
    /* Упрощаем backdrop-filter для производительности */
    .glass-card,
    .nav-links,
    header.scrolled {
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    
    /* Убираем сложные тени */
    .glass-card,
    .project-card,
    .stat-card {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    }
    
    /* GPU acceleration для плавного скролла */
    .glass-card,
    .project-card,
    .stat-card,
    .skill-category,
    .price-card {
        transform: translateZ(0);
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    /* Упрощаем анимации градиентов */
    .project-placeholder {
        animation: none;
        background: linear-gradient(135deg, 
            rgba(10, 132, 255, 0.08) 0%, 
            rgba(191, 90, 242, 0.08) 50%,
            rgba(48, 209, 88, 0.08) 100%);
    }
    
    /* Отключаем blob анимации */
    .blob {
        animation: none;
        opacity: 0.3;
    }
    
    /* Увеличиваем tap targets для пальцев */
    .btn-primary,
    .btn-secondary,
    .project-link,
    .filter-btn,
    .social-btn {
        min-height: 44px;
        padding: 12px 20px;
    }
    
    .mobile-menu-btn {
        min-width: 48px;
        min-height: 48px;
    }
    
    /* Убираем hover эффекты, заменяем на active */
    .glass-card:hover {
        transform: translateZ(0);
    }
    
    .glass-card:active {
        transform: translateZ(0) scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .project-card:hover {
        transform: translateZ(0);
    }
    
    .project-card:active {
        transform: translateZ(0) scale(0.99);
    }
    
    /* Отключаем сложные эффекты на слабых устройствах */
    .tilt-card {
        transform-style: flat;
    }
    
    /* Упрощаем reveal анимации */
    .reveal {
        animation-duration: 0.4s !important;
    }
}

/* ==================== PREFERS REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .blob {
        animation: none;
    }
    
    .project-placeholder {
        animation: none;
    }
}

/* ==================== IOS SAFARI FIXES ==================== */
@supports (-webkit-touch-callout: none) {
    /* Fix для iOS Safari sticky header */
    header {
        position: -webkit-sticky;
        position: sticky;
    }
    
    /* Fix для iOS Safari 100vh */
    .hero {
        min-height: -webkit-fill-available;
    }
    
    /* Улучшенный scrolling */
    body {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Fix для iOS input zoom */
    input,
    textarea,
    select {
        font-size: 16px;
    }
}

/* ==================== UTILITIES ==================== */
.mono {
    font-family: var(--font-mono);
}

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

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

::selection {
    background: var(--accent-color);
    color: #fff;
}

::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--glass-bg);
    border-radius: 6px;
    border: 2px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==================== ENHANCED POLISH & EFFECTS ==================== */

/* Shimmer animation for skill bars */
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skill-progress::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

/* Enhanced icon hover effects */
.card-icon {
    transition: all 0.3s var(--transition);
}

.tilt-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 40px rgba(10, 132, 255, 0.5);
}

.contact-item-btn:hover .contact-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 32px rgba(10, 132, 255, 0.5);
}

/* Smooth filter button transitions */
.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: inherit;
    pointer-events: none;
    z-index: 0;
}

.filter-btn span {
    position: relative;
    z-index: 1;
}

.filter-btn:hover::before {
    opacity: 0.1;
}

.filter-btn.active {
    transform: scale(1.05);
}

/* Enhanced terminal hover */
.terminal:hover {
    box-shadow: var(--glass-shadow-lg), 0 0 120px rgba(10, 132, 255, 0.2);
    transform: translateY(-4px);
}

/* Better project card hover */
.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--glass-shadow-lg), 0 20px 60px rgba(0,0,0,0.3);
}

/* Skill category hover polish */
.skill-category:hover {
    transform: translateY(-4px);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

/* Stat card interactions */
.stat-card {
    transition: all 0.3s var(--transition);
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.05);
    background: var(--card-hover);
    box-shadow: 0 12px 32px rgba(10, 132, 255, 0.15);
}

/* Better button hover states */
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: inherit;
    pointer-events: none;
    z-index: 0;
}

.btn-primary span,
.btn-primary .icon-emoji {
    position: relative;
    z-index: 1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 32px rgba(10, 132, 255, 0.5);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: inherit;
    pointer-events: none;
    z-index: 0;
}

.btn-secondary span,
.btn-secondary .icon-emoji {
    position: relative;
    z-index: 1;
}

.btn-secondary:hover::before {
    opacity: 0.1;
}

.btn-secondary:hover {
    transform: translateY(-2px) scale(1.05);
    border-color: var(--accent-color);
}

/* Enhanced contact button */
.contact-item-btn:hover {
    transform: translateX(10px) scale(1.02);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
}

/* Feature icons enhanced */
.feature-icon {
    transition: all 0.3s var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 12px 40px rgba(10, 132, 255, 0.5);
}

/* Price card featured pulse */
.price-card.featured::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    opacity: 0.3;
    filter: blur(10px);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Better border radius consistency */
.terminal {
    border-radius: var(--radius-xl);
}

.project-card {
    border-radius: var(--radius-xl);
}

.filter-btn {
    border-radius: var(--radius-xl);
}

.skill-bar {
    border-radius: 12px;
}

.skill-progress {
    border-radius: 12px;
}

.contact-card-large {
    border-radius: var(--radius-xl);
}

.contact-item-btn {
    border-radius: var(--radius-xl);
}

.price-card {
    border-radius: var(--radius-xl);
}

.about-card {
    border-radius: var(--radius-xl);
}

/* Smooth scroll behavior enhancement */
html {
    scroll-padding-top: 100px;
}