/* Reset and Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: #0f172a;
    overflow-x: hidden;
    position: relative;
}

/* Custom Properties for Better Maintainability */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.5);
    
    --border-primary: rgba(99, 102, 241, 0.2);
    --border-secondary: rgba(99, 102, 241, 0.3);
    
    /* Fluid Typography */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --font-size-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    
    /* Fluid Spacing */
    --space-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
    --space-sm: clamp(0.5rem, 0.4rem + 0.5vw, 1rem);
    --space-md: clamp(1rem, 0.8rem + 1vw, 2rem);
    --space-lg: clamp(2rem, 1.5rem + 2.5vw, 4rem);
    --space-xl: clamp(3rem, 2rem + 5vw, 6rem);
    --space-2xl: clamp(4rem, 3rem + 5vw, 8rem);
    
    /* Container Sizes - Updated for better desktop utilization */
    --container-xs: 100%;
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
    --container-3xl: 1600px;
    
    /* Compact spacing for better balance */
    --space-button: clamp(0.75rem, 0.6rem + 0.75vw, 1.25rem);
    --space-button-gap: clamp(1rem, 0.8rem + 1vw, 1.5rem);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #4f46e5, #7c3aed);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
}

.loader .code-brackets {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-2xl);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    animation: loadingPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.bracket {
    color: var(--primary-color);
    animation: bracketGlow 2s ease-in-out infinite alternate, bracketFloat 3s ease-in-out infinite;
    transform-origin: center;
}

.bracket:first-child {
    animation-delay: 0.2s;
}

.bracket:last-child {
    animation-delay: 0.4s;
}

.name {
    color: var(--text-primary);
    animation: nameShimmer 2s ease-in-out infinite;
    background: linear-gradient(45deg, var(--text-primary), var(--primary-color), var(--secondary-color), var(--text-primary));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes loadingPulse {
    0%, 100% { 
        transform: scale(1) rotate(0deg); 
        filter: brightness(1);
    }
    50% { 
        transform: scale(1.1) rotate(1deg); 
        filter: brightness(1.2);
    }
}

@keyframes bracketGlow {
    0% { 
        text-shadow: 0 0 10px var(--primary-color), 0 0 20px rgba(99, 102, 241, 0.3);
        transform: scale(1);
    }
    100% { 
        text-shadow: 0 0 20px var(--primary-color), 0 0 40px rgba(99, 102, 241, 0.6), 0 0 60px rgba(139, 92, 246, 0.3);
        transform: scale(1.05);
    }
}

@keyframes bracketFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-5px) rotate(1deg); }
    66% { transform: translateY(3px) rotate(-1deg); }
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-bracket {
    color: var(--primary-color);
    animation: bracket-glow 3s ease-in-out infinite alternate;
}

.logo-name {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes bracket-glow {
    0% { text-shadow: 0 0 5px var(--primary-color); }
    100% { text-shadow: 0 0 15px var(--primary-color); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-tertiary);
    text-decoration: none;
    position: relative;
    padding: var(--space-sm) 0;
    transition: color var(--transition-base);
    font-weight: 400;
    font-size: var(--font-size-base);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-base);
}

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

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.hamburger:hover {
    background: rgba(99, 102, 241, 0.1);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-tertiary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Improved Container System */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 576px) {
    .container {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
        padding: 0 var(--space-lg);
    }
}

@media (min-width: 992px) {
    .container {
        max-width: var(--container-lg);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: var(--container-xl);
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: var(--container-2xl);
        padding: 0 var(--space-xl);
    }
}

@media (min-width: 1600px) {
    .container {
        max-width: var(--container-3xl);
        padding: 0 var(--space-2xl);
    }
}

/* Ultra-wide desktop support */
@media (min-width: 1920px) {
    .container {
        max-width: 1800px;
        padding: 0 3rem;
    }
}

/* Enhanced hero section for desktop */
@media (min-width: 1200px) {
    .hero-content {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-2xl);
        align-items: center;
    }
    
    .hero-name {
        font-size: clamp(3.5rem, 4vw, 5.5rem);
        line-height: 1.1;
    }
    
    .hero-description {
        font-size: clamp(1.125rem, 1.5vw, 1.375rem);
        line-height: 1.7;
        max-width: 90%;
    }
    
    .hero-title {
        font-size: clamp(1.25rem, 1.8vw, 1.75rem);
        margin-bottom: var(--space-xl);
    }
    
    .hero-greeting {
        font-size: clamp(1.125rem, 1.3vw, 1.5rem);
        margin-bottom: var(--space-lg);
    }
}

@media (min-width: 1400px) {
    .hero-content {
        grid-template-columns: 1.3fr 1fr;
        gap: 4rem;
    }
    
    .hero-visual {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .code-window {
        max-width: 500px;
        width: 100%;
        transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
        transition: all 0.3s ease;
    }
    
    .code-window:hover {
        transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) scale(1.02);
    }
}

/* Better section spacing for desktop */
@media (min-width: 1200px) {
    .section-header {
        margin-bottom: 4rem;
    }
    
    .section-title {
        font-size: clamp(2.5rem, 4vw, 4rem);
        margin-bottom: var(--space-xl);
    }
    
    .section-tag {
        font-size: clamp(0.875rem, 1vw, 1.125rem);
        margin-bottom: var(--space-lg);
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-md);
    display: block;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(45deg, var(--text-primary), var(--text-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    padding: var(--space-2xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%236366f1" stroke-width="0.3" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

.hero-greeting {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--space-md);
    display: block;
}

.hero-name {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
}

.name-part {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 25%, var(--secondary-color) 50%, var(--accent-color) 75%, var(--text-primary) 100%);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroGradientFlow 4s ease-in-out infinite, heroTextFloat 6s ease-in-out infinite;
    transform-origin: left center;
}

.name-part:nth-child(1) {
    animation-delay: 0s;
}

.name-part:nth-child(2) {
    animation-delay: 0.5s;
}

@media (min-width: 768px) {
    .name-part:nth-child(2) {
        margin-left: var(--space-lg);
    }
}

@keyframes heroGradientFlow {
    0%, 100% { 
        background-position: 0% 50%;
        transform: perspective(1000px) rotateY(0deg);
    }
    25% { 
        background-position: 100% 50%;
        transform: perspective(1000px) rotateY(2deg);
    }
    50% { 
        background-position: 100% 100%;
        transform: perspective(1000px) rotateY(0deg);
    }
    75% { 
        background-position: 0% 100%;
        transform: perspective(1000px) rotateY(-2deg);
    }
}

@keyframes heroTextFloat {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    33% { transform: translateY(-3px) translateX(2px); }
    66% { transform: translateY(2px) translateX(-1px); }
}

.hero-title {
    font-size: var(--font-size-xl);
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    height: 2rem;
    display: flex;
    align-items: center;
}

.typing-text {
    overflow: hidden;
    white-space: nowrap;
}

.cursor {
    color: var(--primary-color);
    animation: blink 1s infinite;
}

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

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

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-button-gap);
    flex-wrap: wrap;
}

@media (max-width: 767px) {
    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
}

.btn {
    padding: var(--space-button) var(--space-button-gap);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 44px; /* Accessibility: minimum touch target */
    min-width: 110px;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

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

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

@media (max-width: 767px) {
    .btn {
        padding: var(--space-button) var(--space-button-gap);
        width: 100%;
        max-width: 260px;
    }
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    order: -1;
    width: 100%;
}

@media (min-width: 992px) {
    .hero-visual {
        order: 0;
    }
}

.code-window {
    background: rgba(30, 41, 59, 0.9);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(99, 102, 241, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    animation: codeWindowFloat 8s ease-in-out infinite, codeWindowGlow 4s ease-in-out infinite alternate;
    transform-origin: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    max-width: 500px;
}

.code-window:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(99, 102, 241, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@keyframes codeWindowFloat {
    0%, 100% { 
        transform: translateY(0px) rotateX(0deg) rotateY(0deg);
    }
    25% { 
        transform: translateY(-15px) rotateX(1deg) rotateY(-1deg);
    }
    50% { 
        transform: translateY(-25px) rotateX(0deg) rotateY(0deg);
    }
    75% { 
        transform: translateY(-10px) rotateX(-1deg) rotateY(1deg);
    }
}

@keyframes codeWindowGlow {
    0% { 
        filter: brightness(1) saturate(1);
        box-shadow: 
            0 25px 50px rgba(0, 0, 0, 0.5),
            0 0 0 1px rgba(99, 102, 241, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    100% { 
        filter: brightness(1.05) saturate(1.1);
        box-shadow: 
            0 25px 50px rgba(0, 0, 0, 0.5),
            0 0 20px rgba(99, 102, 241, 0.2),
            0 0 0 1px rgba(99, 102, 241, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }
}

.window-header {
    background: rgba(51, 65, 85, 0.8);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.window-buttons {
    display: flex;
    gap: var(--space-sm);
}

.window-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: var(--danger-color); }
.btn-minimize { background: var(--warning-color); }
.btn-maximize { background: var(--success-color); }

.window-title {
    color: var(--text-tertiary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-sm);
}

.code-content {
    padding: var(--space-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    overflow-x: auto;
}

@media (max-width: 767px) {
    .code-content {
        padding: var(--space-md);
        font-size: var(--font-size-xs);
        text-align: left;
    }
}

.keyword { color: #c084fc; }
.class { color: #60a5fa; }
.string { color: #34d399; }
.function { color: #fbbf24; }
.comment { color: #6b7280; }

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: iosScrollBounce 3s ease-in-out infinite;
    cursor: pointer;
    transition: all var(--transition-base);
}

.scroll-indicator:hover {
    transform: translateX(-50%) scale(1.1);
    filter: brightness(1.2);
}

.scroll-arrow {
    width: 3px;
    height: 40px;
    background: linear-gradient(to bottom, transparent 0%, rgba(99, 102, 241, 0.3) 20%, var(--primary-color) 80%, var(--secondary-color) 100%);
    position: relative;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 10px solid var(--primary-color);
    filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.3));
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 10px;
    background: linear-gradient(to bottom, transparent, rgba(99, 102, 241, 0.5));
    border-radius: 1px;
}

@keyframes iosScrollBounce {
    0%, 100% { 
        transform: translateX(-50%) translateY(0px);
        opacity: 1;
    }
    25% { 
        transform: translateX(-50%) translateY(-8px);
        opacity: 0.8;
    }
    50% { 
        transform: translateX(-50%) translateY(-15px);
        opacity: 0.6;
    }
    75% { 
        transform: translateX(-50%) translateY(-8px);
        opacity: 0.8;
    }
}

/* About Section */
.about {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.3) 0%, transparent 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: start;
}

@media (min-width: 992px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
        gap: var(--space-xl);
    }
}

@media (min-width: 1400px) {
    .about-content {
        grid-template-columns: 2.5fr 1fr;
        gap: var(--space-2xl);
    }
}

.about-card {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-secondary);
}

.about-card p {
    margin-bottom: var(--space-lg);
    color: var(--text-tertiary);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.about-card strong {
    color: var(--primary-color);
    font-weight: 600;
}

.tech-philosophy {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-primary);
}

.tech-philosophy h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.tech-philosophy ul {
    list-style: none;
}

.tech-philosophy li {
    margin-bottom: var(--space-sm);
    color: var(--text-tertiary);
    padding-left: var(--space-lg);
    position: relative;
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (min-width: 992px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.stat-card {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(51, 65, 85, 0.5);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-secondary);
}

.stat-card:hover::before {
    left: 100%;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.stat-label {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

/* Projects Section */
.projects {
    padding: var(--space-2xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-lg);
    }
}

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 2.5rem;
    }
}

@media (min-width: 1400px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
        gap: 3rem;
    }
}

@media (min-width: 1600px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--border-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
    animation: cardEntrance 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(50px);
    position: relative;
}

.project-card.fade-in {
    opacity: 1;
    transform: translateY(0px);
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02) perspective(1000px) rotateX(2deg);
    box-shadow: var(--shadow-2xl), 0 0 20px rgba(99, 102, 241, 0.2);
    border-color: var(--border-secondary);
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0px) scale(1);
    }
}

.project-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .project-card.featured {
        grid-template-columns: 1fr 1fr;
    }
}

.project-card.secondary {
    border: 1px solid rgba(52, 211, 153, 0.2);
    background: rgba(30, 41, 59, 0.4);
}

.project-card.secondary:hover {
    border-color: rgba(52, 211, 153, 0.4);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(52, 211, 153, 0.2);
}

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

@media (min-width: 768px) {
    .project-image {
        height: 250px;
    }
}

.project-featured .project-image {
    height: 250px;
}

@media (min-width: 768px) {
    .project-featured .project-image {
        height: 300px;
    }
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: all var(--transition-base);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.project-link:hover {
    background: var(--primary-color);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.project-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-placeholder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(40px, 15vw, 80px);
    height: clamp(40px, 15vw, 80px);
    border-radius: var(--radius-xl);
    background: rgba(99, 102, 241, 0.2);
    animation: placeholderPulse 3s ease-in-out infinite;
}

@keyframes placeholderPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
}

.chat-app::before {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.weather-app::before {
    background: linear-gradient(45deg, #3b82f6, var(--accent-color));
}

.video-app::before {
    background: linear-gradient(45deg, var(--danger-color), #f97316);
}

.android-app::before {
    background: linear-gradient(45deg, #34d399, var(--success-color));
}

.web-app::before {
    background: linear-gradient(45deg, var(--warning-color), #eab308);
}

.project-info {
    padding: var(--space-lg);
}

@media (max-width: 767px) {
    .project-info {
        padding: var(--space-md);
    }
}

.project-category {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-title {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.project-description {
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-base);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: all var(--transition-base);
    font-weight: 500;
}

.tech-tag:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: translateY(-1px);
}

.tech-tag.secondary {
    background: rgba(52, 211, 153, 0.2);
    color: #a7f3d0;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.tech-tag.secondary:hover {
    background: rgba(52, 211, 153, 0.3);
}

.tech-tag.tertiary {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.tech-tag.tertiary:hover {
    background: rgba(245, 158, 11, 0.3);
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%236366f1" opacity="0.1"><animate attributeName="r" values="1;2;1" dur="3s" repeatCount="indefinite"/></circle></svg>') repeat;
    animation: floatingDots 20s linear infinite;
    pointer-events: none;
}

@keyframes floatingDots {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.testimonials-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xl);
    }
}

.testimonial-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    animation: testimonialFloat 6s ease-in-out infinite;
}

.testimonial-card:nth-child(2) {
    animation-delay: 2s;
}

.testimonial-card:nth-child(3) {
    animation-delay: 4s;
}

@keyframes testimonialFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.testimonial-card:hover::before {
    opacity: 0.1;
}

.testimonial-content {
    margin-bottom: var(--space-md);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-md);
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 2rem;
    color: var(--primary-color);
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-primary);
}

.author-info h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.author-role {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.testimonial-rating .stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

/* Skills Section */
.skills {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.3) 0%, transparent 100%);
}

.skills-content {
    display: grid;
    gap: var(--space-2xl);
}

.skills-category {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

/* More compact skills categories for desktop */
@media (min-width: 992px) {
    .skills-category {
        padding: 2rem;
    }
    
    .category-title {
        font-size: clamp(1.25rem, 1.4vw, 1.5rem);
        margin-bottom: 1.5rem;
    }
}

.skills-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-secondary);
}

.skills-category.secondary-skills {
    border: 1px solid rgba(52, 211, 153, 0.2);
    background: rgba(30, 41, 59, 0.4);
}

.skills-category.secondary-skills:hover {
    border-color: rgba(52, 211, 153, 0.4);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(52, 211, 153, 0.1);
}

.skills-category.tertiary-skills {
    border: 1px solid rgba(245, 158, 11, 0.2);
    background: rgba(30, 41, 59, 0.3);
}

.skills-category.tertiary-skills:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(245, 158, 11, 0.1);
}

@media (max-width: 767px) {
    .skills-category {
        padding: var(--space-lg);
    }
}

.category-title {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 576px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: var(--space-lg);
    }
}

@media (min-width: 992px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (min-width: 1400px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
}

@media (min-width: 1600px) {
    .skills-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 1.5rem;
    }
}

/* Enhanced about section for desktop */
@media (min-width: 1200px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
        gap: 4rem;
        align-items: start;
    }
    
    .about-card {
        padding: 3rem;
        border-radius: var(--radius-2xl);
    }
    
    .about-card p {
        font-size: clamp(1rem, 1.2vw, 1.25rem);
        line-height: 1.8;
        margin-bottom: 2rem;
    }
}

@media (min-width: 1400px) {
    .about-content {
        grid-template-columns: 2.5fr 1fr;
        gap: 5rem;
    }
    
    .tech-philosophy {
        margin-top: 2.5rem;
    }
    
    .tech-philosophy ul {
        padding-left: 0;
        list-style: none;
    }
    
    .tech-philosophy li {
        padding: 1rem 0;
        font-size: clamp(1rem, 1.1vw, 1.1875rem);
        line-height: 1.7;
    }
}

/* Enhanced stats grid for desktop - single column */
@media (min-width: 992px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-card {
        padding: 2rem;
        border-radius: var(--radius-lg);
        max-width: 300px;
    }
    
    .stat-number {
        font-size: clamp(2rem, 2.5vw, 2.75rem);
    }
    
    .stat-label {
        font-size: clamp(0.875rem, 1vw, 1rem);
        line-height: 1.4;
    }
}

@media (min-width: 1200px) {
    .about-stats {
        gap: 2rem;
    }
    
    .stat-card {
        padding: 2.25rem;
        border-radius: var(--radius-xl);
        max-width: 320px;
    }
    
    .stat-number {
        font-size: clamp(2.25rem, 2.8vw, 3rem);
    }
    
    .stat-label {
        font-size: clamp(0.9rem, 1.1vw, 1.125rem);
    }
}

@media (min-width: 1400px) {
    .about-stats {
        gap: 2.5rem;
    }
    
    .stat-card {
        max-width: 350px;
    }
}

/* Better contact section for desktop */
@media (min-width: 1200px) {
    .contact-content {
        grid-template-columns: 1fr 1.2fr;
        gap: 4rem;
        align-items: start;
    }
    
    .contact-text h3 {
        font-size: clamp(2rem, 2.5vw, 2.75rem);
        margin-bottom: 1.5rem;
    }
    
    .contact-text p {
        font-size: clamp(1rem, 1.2vw, 1.25rem);
        line-height: 1.7;
        margin-bottom: 2.5rem;
    }
}

@media (min-width: 1400px) {
    .contact-content {
        gap: 5rem;
    }
    
    .contact-form {
        padding: 3rem;
        border-radius: var(--radius-2xl);
    }
    
    .contact-info {
        margin-bottom: 3rem;
    }
    
    .contact-item {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
        border-radius: var(--radius-lg);
    }
}

/* Enhanced navigation for desktop */
@media (min-width: 1200px) {
    .nav-container {
        padding: 1.5rem 3rem;
        max-width: 1800px;
        margin: 0 auto;
    }
    
    .nav-logo {
        font-size: clamp(1.25rem, 1.5vw, 1.75rem);
    }
    
    .nav-link {
        font-size: clamp(1rem, 1.1vw, 1.125rem);
        padding: 0.75rem 1.5rem;
    }
}

/* Better button sizing for desktop */
@media (min-width: 1200px) {
    .btn {
        padding: clamp(0.875rem, 1vw, 1.25rem) clamp(2rem, 2.5vw, 3rem);
        font-size: clamp(1rem, 1.1vw, 1.125rem);
        border-radius: var(--radius-lg);
    }
    
    .hero-cta {
        gap: 2rem;
        margin-top: 3rem;
    }
}

/* Better social links for desktop */
@media (min-width: 1200px) {
    .social-links {
        justify-content: center;
        gap: 2rem;
    }
    
    .social-link {
        padding: 1.25rem 2.5rem;
        font-size: clamp(1rem, 1.1vw, 1.125rem);
        min-width: 200px;
    }
}

/* Enhanced footer for desktop */
@media (min-width: 1200px) {
    .footer-content {
        padding: 3rem 0;
        max-width: 1800px;
        margin: 0 auto;
    }
    
    .footer-text {
        font-size: clamp(1rem, 1.1vw, 1.125rem);
    }
    
    .footer-links a {
        font-size: clamp(1rem, 1.1vw, 1.125rem);
        padding: 0.5rem 1rem;
    }
}

.skill-card {
    background: rgba(51, 65, 85, 0.5);
    padding: var(--space-lg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: perspective(1000px) rotateX(0deg);
    animation: skillCardFloat 6s ease-in-out infinite;
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
}

/* Compact skill cards for desktop */
@media (min-width: 992px) {
    .skill-card {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }
    
    .icon {
        width: clamp(45px, 10vw, 60px);
        height: clamp(45px, 10vw, 60px);
    }
    
    .skill-card h4 {
        font-size: clamp(1rem, 1.1vw, 1.125rem);
        margin: 1rem 0 0.5rem 0;
    }
    
    .skill-card p {
        font-size: clamp(0.875rem, 0.95vw, 1rem);
        line-height: 1.5;
    }
}

.skill-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.05), transparent);
    transform: rotate(45deg);
    transition: all 0.5s ease;
    opacity: 0;
}

.skill-card.fade-in {
    opacity: 1;
    transform: translateY(0px);
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.05) perspective(1000px) rotateX(5deg);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(99, 102, 241, 0.2);
    border-color: var(--border-secondary);
    background: rgba(51, 65, 85, 0.7);
}

.skill-card:hover::before {
    opacity: 1;
    transform: rotate(45deg) translateX(50%) translateY(50%);
}

@media (max-width: 767px) {
    .skill-card {
        padding: var(--space-md);
    }
}

.skill-card:nth-child(1) { animation-delay: 0.1s; }
.skill-card:nth-child(2) { animation-delay: 0.2s; }
.skill-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes skillCardFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
    }
    50% { 
        transform: translateY(-5px) rotate(0.5deg);
    }
}

.skill-icon {
    margin-bottom: var(--space-md);
}

.icon {
    width: clamp(50px, 15vw, 80px);
    height: clamp(50px, 15vw, 80px);
    margin: 0 auto;
    border-radius: var(--radius-xl);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    position: relative;
    transition: all var(--transition-base);
    animation: iconFloat 4s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-5px) rotate(2deg);
    }
}

.skill-card:hover .icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.icon.swift-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.swift-logo {
    box-shadow: 0 10px 15px -3px rgba(248, 138, 54, 0.2), 0 4px 6px -2px rgba(253, 32, 32, 0.1);
}

.icon.swiftui-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.swiftui-logo {
    box-shadow: 0 10px 15px -3px rgba(39, 245, 241, 0.3), 0 4px 6px -2px rgba(20, 52, 212, 0.2);
}

.icon.apple-logo {
    background: linear-gradient(135deg, #f5f5f7, #e5e5e7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
}

.icon.apple-logo svg {
    fill: #1d1d1f;
}

.skill-card:hover .icon.apple-logo {
    background: linear-gradient(135deg, #ffffff, #f5f5f7);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

.icon.jetpack-compose-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.jetpack-compose-logo {
    box-shadow: 0 10px 15px -3px rgba(61, 220, 132, 0.3), 0 4px 6px -2px rgba(66, 133, 244, 0.2);
}

.icon.kotlin-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.kotlin-logo {
    box-shadow: 0 10px 15px -3px rgba(228, 72, 87, 0.3), 0 4px 6px -2px rgba(127, 82, 255, 0.2);
}

.icon.material-design-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
}

.skill-card:hover .icon.material-design-logo {
    box-shadow: 0 10px 15px -3px rgba(0, 127, 255, 0.3), 0 4px 6px -2px rgba(0, 127, 255, 0.1);
}

.icon.html-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
}

.skill-card:hover .icon.html-logo {
    box-shadow: 0 10px 15px -3px rgba(228, 77, 38, 0.3), 0 4px 6px -2px rgba(241, 101, 41, 0.2);
}

.icon.js-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.js-logo {
    box-shadow: 0 10px 15px -3px rgba(247, 223, 30, 0.4), 0 4px 6px -2px rgba(247, 223, 30, 0.2);
}

.icon.pwa-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.pwa-logo {
    box-shadow: 0 10px 15px -3px rgba(32, 196, 203, 0.4), 0 4px 6px -2px rgba(32, 196, 203, 0.2);
}

.icon.firebase-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
}

.skill-card:hover .icon.firebase-logo {
    box-shadow: 0 10px 15px -3px rgba(255, 160, 0, 0.4), 0 4px 6px -2px rgba(255, 202, 40, 0.3);
}

.icon.github-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.github-logo {
    box-shadow: 0 10px 15px -3px rgba(24, 22, 22, 0.4), 0 4px 6px -2px rgba(24, 22, 22, 0.2);
}

.icon.uiux-design-logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-card:hover .icon.uiux-design-logo {
    box-shadow: 0 10px 15px -3px rgba(102, 126, 234, 0.4), 0 4px 6px -2px rgba(118, 75, 162, 0.3);
}

.skill-card h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.skill-card p {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.skill-card.secondary {
    border: 1px solid rgba(52, 211, 153, 0.2);
    background: rgba(51, 65, 85, 0.4);
}

.skill-card.secondary:hover {
    border-color: rgba(52, 211, 153, 0.4);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(52, 211, 153, 0.2);
}

.skill-card.secondary::before {
    background: linear-gradient(45deg, transparent, rgba(52, 211, 153, 0.05), transparent);
}

.skill-card.tertiary {
    border: 1px solid rgba(245, 158, 11, 0.2);
    background: rgba(51, 65, 85, 0.3);
}

.skill-card.tertiary:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: var(--shadow-xl), 0 0 15px rgba(245, 158, 11, 0.2);
}

.skill-card.tertiary::before {
    background: linear-gradient(45deg, transparent, rgba(245, 158, 11, 0.05), transparent);
}

.methodology-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 576px) {
    .methodology-cards {
        grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
        gap: var(--space-lg);
    }
}

@media (min-width: 1200px) {
    .methodology-cards {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2.5rem;
    }
}

@media (min-width: 1600px) {
    .methodology-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.method-card {
    background: rgba(51, 65, 85, 0.5);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.method-card.primary {
    border: 2px solid var(--border-secondary);
    background: rgba(99, 102, 241, 0.1);
}

.method-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-secondary);
}

.method-card:hover::before {
    left: 100%;
}

.method-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.method-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.method-card p {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

@media (max-width: 767px) {
    .method-card {
        padding: var(--space-md);
    }
}

/* Contact Section */
.contact {
    padding: var(--space-2xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (min-width: 1400px) {
    .contact-content {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-2xl);
    }
}

.contact-text h3 {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.contact-text p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.contact-info {
    display: grid;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(51, 65, 85, 0.3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-secondary);
    background: rgba(51, 65, 85, 0.5);
}

.contact-icon {
    font-size: var(--font-size-xl);
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.contact-item:hover .contact-icon {
    background: rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.contact-value {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    font-size: var(--font-size-base);
}

.contact-value:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.contact-form:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-secondary);
}

@media (max-width: 767px) {
    .contact-form {
        padding: var(--space-lg);
    }
}

.form-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: rgba(51, 65, 85, 0.5);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(51, 65, 85, 0.7);
    transform: scale(1.02);
}

.form-group label {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    color: var(--text-muted);
    transition: all var(--transition-base);
    pointer-events: none;
    font-size: var(--font-size-base);
    font-weight: 500;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    background: var(--bg-primary);
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
}

.btn-loader {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn.loading .btn-loader {
    display: block;
}

.btn.loading span {
    display: none;
}

/* Contact Form Button - Full Width */
.contact-form .btn {
    width: 100%;
    max-width: none;
    margin-top: var(--space-md);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-button-gap);
    flex-wrap: wrap;
}

@media (max-width: 767px) {
    .social-links {
        gap: var(--space-button-gap);
        flex-direction: column;
        align-items: center;
    }
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 50px;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: all var(--transition-base);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    min-height: 48px; /* Accessibility: minimum touch target */
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-secondary);
}

.social-link:hover::before {
    left: 100%;
}

.social-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.social-link.github:hover {
    border-color: #6e5494;
    color: #6e5494;
}

.social-link.linkedin:hover {
    border-color: #0077b5;
    color: #0077b5;
}

.social-link.email:hover {
    border-color: #ea4335;
    color: #ea4335;
}

.social-link.instagram:hover {
    border-color: #e4405f;
    color: #e4405f;
}

.social-link.more-links:hover {
    border-color: #10b981;
    color: #10b981;
}

@media (max-width: 767px) {
    .social-link {
        padding: var(--space-md) var(--space-lg);
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.8);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-primary);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

@media (max-width: 767px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }
}

.footer-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

@media (max-width: 767px) {
    .footer-links {
        gap: var(--space-md);
        justify-content: center;
    }
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 56px;
    height: 56px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    color: #ffffff;
    cursor: pointer;
    transition: all var(--transition-base);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: backToTopBounce 0.5s ease-out;
}

@keyframes backToTopBounce {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.back-to-top:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.back-to-top:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (max-width: 767px) {
    .back-to-top {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 48px;
        height: 48px;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        gap: 3rem;
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .code-window {
        max-width: 400px;
    }
    
    .about-content {
        gap: 3rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        width: 100%;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        padding: 2rem 0;
        border-radius: 0 0 20px 20px;
    }

    .nav-menu.active {
        left: 0;
        animation: slideInDown 0.4s ease-out;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hero {
        padding: 6rem 0 4rem;
        min-height: 100vh;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-name {
        font-size: 3rem;
        line-height: 1.2;
    }
    
    .name-part:nth-child(2) {
        margin-left: 0;
    }

    .section-title {
        font-size: 2.5rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .project-card.featured {
        grid-column: 1;
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .methodology-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .social-links {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        padding: 1rem 2rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: var(--space-button-gap);
    }

    .btn {
        padding: 1rem 2rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .code-window {
        max-width: calc(100% - 2rem);
        margin: 0 auto;
        align-self: center;
    }
}

/* Enhanced mobile breakpoints for better code window alignment */
@media (max-width: 600px) {
    .hero-visual {
        padding: 0 1rem;
    }
    
    .code-window {
        max-width: 100%;
        margin: 0 auto;
        width: 100%;
        align-self: center;
    }
    
    .code-content {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 1rem;
    }
    
    .nav-logo {
        font-size: 1.2rem;
    }

    .hero {
        padding: 5rem 0 3rem;
    }

    .hero-name {
        font-size: 2.5rem;
        gap: 0.5rem;
    }

    .hero-title {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-greeting {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
    
    .section-tag {
        font-size: 0.8rem;
    }

    .about-card,
    .contact-form,
    .skills-category {
        padding: 1.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
    
    .project-card {
        margin: 0;
    }
    
    .project-info {
        padding: 1.5rem;
    }
    
    .skill-card,
    .method-card {
        padding: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        padding: 0 0.5rem;
    }
    
    .code-window {
        margin: 0 auto;
        border-radius: 12px;
        max-width: 100%;
        width: 100%;
        align-self: center;
    }
    
    .code-content {
        padding: 1rem;
        font-size: 0.8rem;
        text-align: left;
    }
    
    .window-header {
        padding: 0.75rem;
    }
    
    .contact-text h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 320px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .about-card,
    .contact-form,
    .skills-category,
    .stat-card,
    .project-info,
    .skill-card,
    .method-card {
        padding: 1rem;
    }
    
    .hero-visual {
        padding: 0 0.25rem;
    }
    
    .code-window {
        margin: 0 auto;
        max-width: 100%;
        width: 100%;
        border-radius: 8px;
        align-self: center;
    }
    
    .code-content {
        padding: 0.75rem;
        font-size: 0.75rem;
        line-height: 1.4;
        text-align: left;
    }
    
    .window-header {
        padding: 0.5rem;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease forwards;
}

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

/* Touch and Mobile Optimizations */
@media (hover: none) and (pointer: coarse) {
    .project-card:hover,
    .skill-card:hover,
    .method-card:hover,
    .stat-card:hover {
        transform: none;
    }
    
    .project-card:active,
    .skill-card:active,
    .method-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .btn:active {
        transform: scale(0.95);
    }
    
    .social-link:active {
        transform: scale(0.98);
    }
}

/* Reduced Motion Support */
@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;
    }
    
    .hero-name .name-part,
    .code-window,
    .skill-card,
    .project-card {
        animation: none !important;
    }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    .nav-link,
    .section-title,
    .hero-name,
    .skill-card h4,
    .project-title {
        color: #ffffff !important;
    }
    
    .btn-primary {
        background: #0000ff !important;
        border: 2px solid #ffffff !important;
    }
    
    .project-card,
    .skill-card,
    .about-card {
        border: 2px solid #ffffff !important;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

.honeypot {
    display: none;
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    .hero-name {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }
    
    .code-window {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
    
    input, textarea, button {
        -webkit-appearance: none;
        appearance: none;
        border-radius: 0;
    }
}

/* Ultra-wide desktop enhancements */
@media (min-width: 1920px) {
    .hero-content {
        grid-template-columns: 1.4fr 1fr;
        gap: 6rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3.5rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 3rem;
    }
    
    .about-content {
        gap: 6rem;
    }
    
    .contact-content {
        gap: 6rem;
    }
}