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

.fas, .fab, .far, .fal, .fad, .fat {
    font-family: 'Font Awesome 6 Free', 'Font Awesome 6 Brands', 'Font Awesome 6 Pro' !important;
    font-weight: 900;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fab {
    font-family: 'Font Awesome 6 Brands' !important;
    font-weight: 400;
}

.service-icon i::before,
.tech-icon i::before {
    display: inline-block !important;
    font-style: normal !important;
    font-variant: normal !important;
    text-rendering: auto !important;
    -webkit-font-smoothing: antialiased !important;
}


.service-card,
.project-card,
.tech-item,
.btn,
.nav-link,
.hero-content {
    will-change: transform;
    transform: translateZ(0);
}


.nav-logo,
.theme-toggle,
.hamburger {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    pointer-events: auto;
    
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    max-width: 100%;
    height: auto;
}


.logo-icon {
    image-rendering: auto !important;
}

img.image-error {
    opacity: 0.3;
    filter: grayscale(100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-secondary: #666666;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #f8fafc;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0f172a;
        --text-color: #f8fafc;
        --text-secondary: #94a3b8;
        --primary-color: #60a5fa;
        --primary-hover: #3b82f6;
        --secondary-color: #1e293b;
        --border-color: #334155;
        --card-bg: #1e293b;
        --glass-bg: rgba(30, 41, 59, 0.25);
        --glass-border: rgba(255, 255, 255, 0.1);
        --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.floating-navbar {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 12px 20px;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    text-decoration: none;
    color: #333;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(74, 144, 226, 0.2);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.nav-item:hover::before,
.nav-item.active::before {
    transform: scale(1);
}

.nav-item i {
    font-size: 1.2rem;
    z-index: 1;
    position: relative;
    transition: all 0.3s ease;
}

.nav-item:hover i,
.nav-item.active i {
    color: #4a90e2;
    transform: scale(1.1);
}

.nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-item:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
}

@media (prefers-color-scheme: dark) {
    .nav-container {
        background: rgba(20, 24, 30, 0.85);
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .nav-item {
        color: #e2e8f0;
    }
    
    .nav-item:hover i,
    .nav-item.active i {
        color: #60a5fa;
    }
    
    .nav-item::before {
        background: rgba(96, 165, 250, 0.2);
    }
}

@media (max-width: 768px) {
    .floating-navbar {
        bottom: 20px;
    }
    
    .nav-container {
        gap: 4px;
        padding: 8px 16px;
    }
    
    .nav-item {
        width: 42px;
        height: 42px;
    }
    
    .nav-item i {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        gap: 2px;
        padding: 6px 12px;
    }
    
    .nav-item {
        width: 38px;
        height: 38px;
    }
    
    .nav-item i {
        font-size: 1rem;
    }
}

.hero {
    padding: 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-title .name {
    display: block;
    color: var(--text-color);
}

.hero-title .brand {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.8em;
    margin-top: 0.5rem;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

.hero-visual {
    display: none;
}

.hero-avatar {
    display: none;
}

.avatar-placeholder {
    display: none;
}

section {
    padding: 100px 0;
    position: relative;
}

.about {
    background: var(--secondary-color);
}

.services {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.projects {
    background: var(--secondary-color);
}

.tech-stack {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.contact {
    background: var(--secondary-color);
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-icon i {
    font-size: 2rem;
    color: white;
    line-height: 1;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

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

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.tech-item span {
    font-weight: 600;
    color: var(--text-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    box-shadow: var(--glass-shadow);
}

.contact-link:hover {
    transform: translateX(5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-link i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.contact-cta {
    text-align: center;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
}

.contact-cta h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.contact-cta p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--card-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .avatar-placeholder {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }

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

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

html {
    scroll-padding-top: 100px;
    scroll-behavior: smooth;
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .project-image img,
    .avatar-placeholder {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

.btn:focus,
.nav-link:focus,
.theme-toggle:focus,
.contact-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media print {
    .navbar,
    .theme-toggle,
    .hamburger {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        padding-top: 2rem;
    }
}