/* Modern CSS Variables & Design System */
:root {
    /* Color Palette */
    --primary-50: #e0f2fe;
    --primary-100: #b3e5fc;
    --primary-200: #81d4fa;
    --primary-300: #4fc3f7;
    --primary-400: #29b6f6;
    --primary-500: #03a9f4;
    --primary-600: #039be5;
    --primary-700: #0288d1;
    --primary-800: #0277bd;
    --primary-900: #01579b;

    /* Accent Colors */
    --accent-cyan: #00d4ff;
    --accent-blue: #0099ff;
    --accent-purple: #9c27b0;
    --accent-pink: #e91e63;

    /* Neutral Colors */
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    /* Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #b0b0b0;
    --text-accent: var(--primary-400);

    /* Border & Shadow */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    --gradient-secondary: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    --gradient-accent: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    --gradient-bg: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary), var(--bg-tertiary));

    /* Animations */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Effects */
    --glow-primary: 0 0 20px rgba(3, 169, 244, 0.3);
    --glow-accent: 0 0 20px rgba(0, 212, 255, 0.4);
    --glow-error: 0 0 20px rgba(233, 30, 99, 0.4);
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary-600);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-500);
}

/* Selection */
::selection {
    background: rgba(3, 169, 244, 0.3);
    color: var(--text-primary);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

a:hover {
    color: var(--primary-400);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition-normal);
}

button:focus {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

/* Form Elements */
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

.glassmorphism {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-400);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: var(--blur-sm);
}

.section-badge i {
    font-size: 0.75rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--primary-400));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--radius-full);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(3, 169, 244, 0.4);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: var(--blur-sm);
}

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

.btn-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

.btn:hover .btn-glow {
    opacity: 0.1;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes scale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Animate in class for scroll-triggered animations */
.animate-in {
    opacity: 1 !important;
    animation-fill-mode: forwards !important;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-screen.loaded {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-logo {
    margin-bottom: var(--spacing-2xl);
}

.loading-logo img {
    width: 80px;
    height: auto;
    animation: float 2s ease-in-out infinite;
}

body.light-theme .loading-logo img {
    filter: brightness(0);
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0%;
    animation: loadingProgress 3s ease-in-out forwards;
}

@keyframes loadingProgress {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

.loading-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    animation: pulse 1.5s ease-in-out infinite;
}

/* Custom Cursor */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-400);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: all 0.1s ease;
    transform: translate(-50%, -50%);
}

.cursor-follower {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--primary-400);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transition: all 0.15s ease;
    transform: translate(-50%, -50%);
}

.cursor.hover,
.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
}

.cursor.click,
.cursor-follower.click {
    transform: translate(-50%, -50%) scale(0.8);
}

/* Particles Container */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Remove the scrolling background shapes */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    z-index: -2;
}

/* Very subtle grid */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 180, 216, 0.01) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.2;
    pointer-events: none;
}

/* Binary pattern for sections */
.section-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 180, 216, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 180, 216, 0.03) 0%, transparent 40%);
    opacity: 0.5;
    pointer-events: none;
}

/* Add the pattern to sections */
.hero::after,
.about::after,
.skills::after,
.projects::after,
.contact::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='50%25' y='50%25' font-family='monospace' font-size='10' fill='rgba(0,180,216,0.03)' text-anchor='middle' dominant-baseline='middle'%3E01%3C/text%3E%3C/svg%3E");
    opacity: 0.2;
    pointer-events: none;
    z-index: 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

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

.mesh-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(3, 169, 244, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(156, 39, 176, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(233, 30, 99, 0.1) 0%, transparent 50%);
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 120px;
    height: 120px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    transform: rotate(45deg);
}

.shape-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
    transform: rotate(30deg);
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
    transform: rotate(60deg);
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 5%;
    animation-delay: 1s;
    transform: rotate(15deg);
}

.shape-5 {
    width: 70px;
    height: 70px;
    bottom: 10%;
    right: 25%;
    animation-delay: 3s;
    transform: rotate(75deg);
}

/* Hide shape-1 on high-resolution screens where it overlaps with "Hello I'm" text */
@media screen and (min-resolution: 2dppx) and (max-width: 1440px) {
    .shape-1 {
        display: none;
    }
}

/* Also hide on specific Mac screen dimensions where overlap occurs */
@media screen and (max-width: 1680px) and (max-height: 1050px) and (-webkit-min-device-pixel-ratio: 2) {
    .shape-1 {
        display: none;
    }
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(3, 169, 244, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-greeting {
    margin-bottom: var(--spacing-lg);
}

.greeting-text {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.greeting-underline {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.hero-title {
    margin-bottom: var(--spacing-xl);
}

.title-main {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.title-sub {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    opacity: 0.9;
}

.hero-description {
    margin-bottom: var(--spacing-2xl);
}

.description-primary {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.description-secondary {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-400);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: fadeIn 1s ease-out 0.3s both;
}

.profile-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.profile-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(3, 169, 244, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-lg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.profile-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-400);
}

.profile-placeholder i {
    font-size: 4rem;
    opacity: 0.7;
}

.profile-code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    opacity: 0.6;
}

.profile-tech-stack {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
}

.tech-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.tech-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--glow-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-400);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% {
        opacity: 0;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) translateY(8px);
    }
}

.scroll-text {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* About Section */
.about {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.about-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 20%, rgba(156, 39, 176, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(233, 30, 99, 0.05) 0%, transparent 50%);
}


.about .container {
    position: relative;
    z-index: 2;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

/* Education Column */
.education-column {
    animation: slideInLeft 1s ease-out;
}

.certifications-column {
    animation: slideInRight 1s ease-out;
}

.column-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.column-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.column-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.column-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-400), rgba(3, 169, 244, 0.3));
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.3s; }
.timeline-item:nth-child(3) { animation-delay: 0.5s; }

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-2xl));
    top: var(--spacing-sm);
}

.marker-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-400);
    border: 3px solid var(--bg-primary);
    box-shadow: var(--glow-primary);
    transition: var(--transition-normal);
}

.marker-line {
    position: absolute;
    top: 19px;
    left: 5px;
    width: 2px;
    height: 30px;
    background: var(--primary-400);
    opacity: 0.3;
}

.timeline-content {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-400);
    margin: 0;
}

.timeline-status {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(3, 169, 244, 0.1);
    color: var(--primary-400);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-status.current {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

.timeline-institution {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.timeline-location {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.timeline-specialization {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.timeline-duration {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.timeline-duration i {
    color: var(--primary-400);
}

/* Certifications Grid */
.certifications-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.certification-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.certification-card:nth-child(1) { animation-delay: 0.1s; }
.certification-card:nth-child(2) { animation-delay: 0.2s; }
.certification-card:nth-child(3) { animation-delay: 0.3s; }
.certification-card:nth-child(4) { animation-delay: 0.4s; }

.certification-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.cert-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.certification-card:hover .cert-icon {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.cert-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.cert-provider {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.cert-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(3, 169, 244, 0.1);
    border: 1px solid rgba(3, 169, 244, 0.2);
    border-radius: var(--radius-lg);
    color: var(--primary-400);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-normal);
}

.cert-link:hover {
    background: rgba(3, 169, 244, 0.2);
    border-color: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.cert-link i {
    font-size: 0.75rem;
}

/* Skills Section */
.skills {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.skills-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.skills-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 50% 30%, rgba(3, 169, 244, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 20% 70%, rgba(156, 39, 176, 0.05) 0%, transparent 50%);
}


.skills .container {
    position: relative;
    z-index: 2;
}

.skills-content {
    margin-top: var(--spacing-3xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.skill-category {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out;
}

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

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.skill-category:hover::before {
    opacity: 0.05;
}

.skill-category:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.category-icon {
    position: relative;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-normal);
    filter: blur(15px);
}

.skill-category:hover .icon-glow {
    opacity: 0.3;
}

.category-icon i {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.5rem;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

.skill-category:hover .category-icon i {
    transform: scale(1.1);
    color: var(--primary-300);
    box-shadow: var(--glow-primary);
}

.category-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.category-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill-item {
    opacity: 0;
    animation: slideInLeft 0.8s ease-out forwards;
}

.skill-item:nth-child(1) { animation-delay: 0.2s; }
.skill-item:nth-child(2) { animation-delay: 0.4s; }
.skill-item:nth-child(3) { animation-delay: 0.6s; }

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

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

.skill-percentage {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-400);
}

.skill-progress {
    position: relative;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.progress-glow {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    opacity: 0.5;
    filter: blur(8px);
    width: 0%;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tech Stack Visualization */
.skills-visualization {
    margin-top: var(--spacing-3xl);
}

.tech-stack h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
    text-align: center;
    opacity: 0;
    animation: scale 0.6s ease-out forwards;
}

.tech-item:nth-child(1) { animation-delay: 0.1s; }
.tech-item:nth-child(2) { animation-delay: 0.2s; }
.tech-item:nth-child(3) { animation-delay: 0.3s; }
.tech-item:nth-child(4) { animation-delay: 0.4s; }
.tech-item:nth-child(5) { animation-delay: 0.5s; }
.tech-item:nth-child(6) { animation-delay: 0.6s; }
.tech-item:nth-child(7) { animation-delay: 0.7s; }
.tech-item:nth-child(8) { animation-delay: 0.8s; }
.tech-item:nth-child(9) { animation-delay: 0.9s; }
.tech-item:nth-child(10) { animation-delay: 1.0s; }
.tech-item:nth-child(11) { animation-delay: 1.1s; }
.tech-item:nth-child(12) { animation-delay: 1.2s; }
.tech-item:nth-child(13) { animation-delay: 1.3s; }
.tech-item:nth-child(14) { animation-delay: 1.4s; }

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary-400);
    transition: var(--transition-normal);
}

.tech-item:hover i {
    transform: scale(1.2);
    color: var(--primary-300);
}

.tech-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Projects Section */
.projects {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.projects-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.projects-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 70% 30%, rgba(233, 30, 99, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(3, 169, 244, 0.05) 0%, transparent 50%);
}

.projects-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.project-shape {
    position: absolute;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    animation: float 12s ease-in-out infinite;
}

.project-shape.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    border-radius: var(--radius-xl);
    animation-delay: 0s;
}

.project-shape.shape-2 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    right: 15%;
    border-radius: 50%;
    animation-delay: 4s;
}

.project-shape.shape-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    right: 5%;
    border-radius: var(--radius-lg);
    animation-delay: 8s;
}

.projects .container {
    position: relative;
    z-index: 2;
}

.projects-content {
    margin-top: var(--spacing-3xl);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.project-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }

.project-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    border-color: var(--border-hover);
    box-shadow:
        var(--shadow-xl),
        0 0 40px rgba(3, 169, 244, 0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.project-category {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(3, 169, 244, 0.1);
    border: 1px solid rgba(3, 169, 244, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-category i {
    font-size: 0.625rem;
}

.project-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4caf50;
    animation: pulse 2s infinite;
}

.project-content {
    margin-bottom: var(--spacing-xl);
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.project-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.tech-tag:hover {
    background: var(--primary-400);
    color: white;
    transform: scale(1.05);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
}

.project-link:hover::before {
    left: 0;
}

.project-link.primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.project-link.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.project-link.secondary {
    color: var(--text-muted);
}

.project-link.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.project-link i {
    font-size: 0.875rem;
}

.project-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    border-radius: inherit;
    z-index: -1;
}

.project-card:hover .project-glow {
    opacity: 0.05;
}

.project-border {
    position: absolute;
    top: -1px;
    left: -1px;
    width: calc(100% + 2px);
    height: calc(100% + 2px);
    background: var(--gradient-primary);
    border-radius: inherit;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -2;
}

.project-card:hover .project-border {
    opacity: 0.3;
}

/* Project Filters */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    left: 0;
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--glow-primary);
}

.filter-btn.active::before {
    left: 0;
}

.filter-btn span {
    position: relative;
    z-index: 2;
}

.filter-count {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.filter-btn.active .filter-count {
    background: rgba(255, 255, 255, 0.2);
}

/* Contact Section */
.contact {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.contact-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 40% 30%, rgba(156, 39, 176, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 60% 70%, rgba(3, 169, 244, 0.05) 0%, transparent 50%);
}


.contact .container {
    position: relative;
    z-index: 2;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

/* Contact Info */
.contact-info {
    animation: slideInLeft 1s ease-out;
}

.contact-message {
    margin-bottom: var(--spacing-2xl);
}

.contact-message h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.contact-message p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.contact-text {
    flex: 1;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.contact-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-value:hover {
    color: var(--primary-400);
}

/* Social Section */
.social-section {
    animation: slideInRight 1s ease-out;
}

.social-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.social-links-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
    z-index: -1;
}

.social-card:hover::before {
    left: 0;
}

.social-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-primary);
}

.social-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    font-size: 1.5rem;
    transition: var(--transition-normal);
    flex-shrink: 0;
}

.social-card:hover .social-icon {
    transform: scale(1.1);
    background: var(--primary-400);
    color: white;
    box-shadow: var(--glow-primary);
}

.social-content {
    flex: 1;
}

.social-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.social-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.social-arrow {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-card:hover .social-arrow {
    color: white;
    transform: translateX(5px);
}

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

.contact-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-cta .btn {
    margin: 0 auto;
}

/* Footer */
.footer {
    position: relative;
    padding: 4rem 0 2rem;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.footer-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 50% 50%, rgba(3, 169, 244, 0.03) 0%, transparent 50%);
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    animation: fadeInUp 1s ease-out;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(3, 169, 244, 0.3));
}

body.light-theme .footer-logo img {
    filter: brightness(0) drop-shadow(0 0 10px rgba(0, 0, 0, 0.3));
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

body.light-theme .footer-tagline {
    color: #000000;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

body.light-theme .footer-section h4 {
    color: #000000;
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-normal);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--primary-400);
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary-400);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--glow-primary);
}

body.light-theme .footer-social a {
    color: #000000;
    border-color: #000000;
}

body.light-theme .footer-social a:hover {
    background: #000000;
    color: white;
}

.footer-bottom {
    position: relative;
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.2),
        rgba(255, 255, 255, 0.1),
        transparent
    );
    margin-bottom: var(--spacing-xl);
}

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.footer-made-with {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-made-with i {
    color: #e91e63;
    animation: bounce 2s infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

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

    .hero-visual {
        order: -1;
    }

    .profile-container {
        width: 250px;
        height: 250px;
    }

    .about-grid,
    .skills-grid,
    .contact-grid,
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 1.5rem;
        --spacing-3xl: 2rem;
    }

    .container {
        padding: 0 var(--spacing-lg);
    }

    /* Navigation */
    .navbar {
        top: var(--spacing-md);
        width: calc(100% - 2 * var(--spacing-md));
    }

    .nav-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .logo-text {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 8rem 0 var(--spacing-3xl);
        min-height: auto;
    }

    .hero-content {
        gap: var(--spacing-xl);
    }

    .title-main {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .title-sub {
        font-size: clamp(1.25rem, 6vw, 2rem);
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1;
        min-width: 120px;
    }

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

    .profile-container {
        width: 200px;
        height: 200px;
    }

    .scroll-indicator {
        display: none;
    }

    /* Sections */
    .about,
    .skills,
    .projects,
    .contact {
        padding: 4rem 0;
    }

    .section-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    /* Skills */
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .skills-list {
        gap: var(--spacing-lg);
    }

    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--spacing-md);
    }

    /* Projects */
    .project-card {
        padding: var(--spacing-xl);
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .project-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }

    .project-links {
        justify-content: center;
    }

    .project-filters {
        justify-content: center;
    }

    /* Contact */
    .contact-message h3 {
        font-size: 1.5rem;
    }

    .contact-details {
        gap: var(--spacing-md);
    }

    .contact-item {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .social-card {
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .social-content h4 {
        font-size: 1.125rem;
    }

    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content {
        gap: var(--spacing-xl);
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
}

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

    /* Hero */
    .hero-stats {
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        width: 100%;
        max-width: 200px;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .profile-container {
        width: 180px;
        height: 180px;
    }

    /* Skills */
    .skill-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .skill-progress {
        width: 100%;
    }

    /* Projects */
    .project-card {
        padding: var(--spacing-lg);
    }

    .project-tech {
        gap: var(--spacing-xs);
    }

    .tech-tag {
        font-size: 0.7rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    /* Contact */
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .social-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .social-content {
        order: -1;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0a0a0a;
        --bg-secondary: #111111;
        --bg-tertiary: #1a1a1a;
    }
}

/* 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-indicator {
        display: none;
    }
}

/* Light Theme */
body.light-theme {
    /* Base Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-glass: rgba(255, 255, 255, 0.9);
    --bg-glass-hover: rgba(255, 255, 255, 0.98);

    /* Text Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --text-accent: #1e40af;

    /* Border Colors */
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);

    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #60a5fa, #93c5fd);
    --gradient-secondary: linear-gradient(135deg, #a78bfa, #f0abfc);
    --gradient-accent: linear-gradient(135deg, #34d399, #6ee7b7);
    --gradient-bg: linear-gradient(135deg, #f8fafc, #f1f5f9, #e2e8f0);

    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(59, 130, 246, 0.4);
    --glow-accent: 0 0 20px rgba(124, 58, 237, 0.4);
    --glow-error: 0 0 20px rgba(236, 72, 153, 0.4);

    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Section Backgrounds */
    --hero-bg: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    --about-bg: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    --skills-bg: linear-gradient(210deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
    --projects-bg: linear-gradient(45deg, #ffffff 0%, #f1f5f9 50%, #e2e8f0 100%);
    --contact-bg: linear-gradient(315deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);

    /* Card Colors */
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.06);
    --card-hover: rgba(59, 130, 246, 0.05);

    /* Button Colors */
    --btn-primary: linear-gradient(135deg, #60a5fa, #93c5fd);
    --btn-secondary: rgba(255, 255, 255, 0.9);
    --btn-secondary-border: rgba(0, 0, 0, 0.1);

    /* Navigation Colors */
    --nav-bg: rgba(255, 255, 255, 0.9);
    --nav-border: rgba(0, 0, 0, 0.08);
    --nav-text: #374151;
    --nav-text-hover: #1e40af;

    /* Input Colors */
    --input-bg: rgba(255, 255, 255, 0.95);
    --input-border: rgba(0, 0, 0, 0.1);
    --input-focus: #3b82f6;

    /* Link Colors */
    --link-color: #3b82f6;
    --link-hover: #1e40af;

    /* Footer Colors */
    --footer-bg: linear-gradient(135deg, rgba(248, 250, 252, 0.8), rgba(241, 245, 249, 0.9), rgba(226, 232, 240, 0.8));
    --footer-text: #374151;
    --footer-border: rgba(0, 0, 0, 0.06);
}

body.light-theme .navbar.glassmorphism {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: var(--blur-lg);
}

body.light-theme .navbar.scrolled {
    background: rgba(0, 0, 0, 0.04);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

body.light-theme .theme-toggle-container {
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

/* Light Theme Component Overrides */
body.light-theme .hero {
    background: var(--hero-bg);
}

body.light-theme .about {
    background: var(--about-bg);
}

body.light-theme .skills {
    background: var(--skills-bg);
}

body.light-theme .projects {
    background: var(--projects-bg);
}

body.light-theme .contact {
    background: var(--contact-bg);
}

/* Cards in Light Theme */
body.light-theme .skill-category,
body.light-theme .project-card,
body.light-theme .timeline-content,
body.light-theme .certification-card,
body.light-theme .tech-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

body.light-theme .skill-category:hover,
body.light-theme .project-card:hover,
body.light-theme .timeline-content:hover,
body.light-theme .certification-card:hover,
body.light-theme .tech-item:hover {
    background: var(--card-bg);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-md);
}

/* Navigation in Light Theme */
body.light-theme .nav-links a {
    color: var(--nav-text);
}

body.light-theme .nav-links a:hover,
body.light-theme .nav-links a.active {
    color: var(--nav-text-hover);
    background: rgba(59, 130, 246, 0.05);
}

/* Buttons in Light Theme */
body.light-theme .btn-primary {
    background: var(--btn-primary);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(96, 165, 250, 0.3);
}

body.light-theme .btn-secondary {
    background: var(--btn-secondary);
    border: 1px solid var(--btn-secondary-border);
    color: var(--text-primary);
}

body.light-theme .btn-secondary:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Text Colors in Light Theme */
body.light-theme h1,
body.light-theme h2,
body.light-theme h3,
body.light-theme h4,
body.light-theme h5,
body.light-theme h6 {
    color: var(--text-primary);
}

body.light-theme p,
body.light-theme span,
body.light-theme div {
    color: var(--text-secondary);
}

body.light-theme .text-muted {
    color: var(--text-muted);
}

/* Links in Light Theme */
body.light-theme a {
    color: var(--link-color);
}

body.light-theme a:hover {
    color: var(--link-hover);
}

/* Social Links in Light Theme */
body.light-theme .social-link,
body.light-theme .social-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

body.light-theme .social-link:hover,
body.light-theme .social-card:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--link-hover);
}

/* Icons in Light Theme */
body.light-theme .fas,
body.light-theme .fab,
body.light-theme .far {
    color: var(--text-secondary);
}

body.light-theme .category-icon i,
body.light-theme .social-icon i,
body.light-theme .tech-item i {
    color: var(--link-color);
}

body.light-theme .category-icon:hover i,
body.light-theme .tech-item:hover i {
    color: var(--link-hover);
}

/* Progress Bars in Light Theme */
body.light-theme .progress-bar {
    background: rgba(0, 0, 0, 0.05);
}

body.light-theme .progress-fill {
    background: var(--gradient-primary);
}

/* Filter Buttons in Light Theme */
body.light-theme .filter-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

body.light-theme .filter-btn:hover,
body.light-theme .filter-btn.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border-color: transparent;
}

/* Footer in Light Theme */
body.light-theme .footer {
    background: var(--footer-bg);
    color: var(--footer-text);
}

body.light-theme .footer a {
    color: var(--footer-text);
}

body.light-theme .footer a:hover {
    color: var(--link-hover);
}

body.light-theme .footer-section a:hover {
    color: var(--link-hover);
}

/* Light Theme Specific Overrides */
body.light-theme .contact-cta .btn {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
    transform: scale(1.05);
}

body.light-theme .contact-cta .btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

body.light-theme .footer {
    background: rgba(255, 255, 255, 0.95);
    color: #d1d5db;
}

body.light-theme .footer a,
body.light-theme .footer p,
body.light-theme .footer span {
    color: #000000;
}

body.light-theme .footer a:hover {
    color: #333333;
}

/* Timeline in Light Theme */
body.light-theme .timeline::before {
    background: linear-gradient(to bottom, var(--link-color), rgba(59, 130, 246, 0.3));
}

body.light-theme .timeline-marker .marker-dot {
    background: var(--link-color);
    border-color: var(--bg-primary);
}

body.light-theme .timeline-marker .marker-line {
    background: var(--link-color);
}

/* Contact Items in Light Theme */
body.light-theme .contact-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

body.light-theme .contact-item:hover {
    background: var(--card-bg);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-md);
}

/* Loading Screen in Light Theme */
body.light-theme .loading-screen {
    background: rgba(255, 255, 255, 1);
}

body.light-theme .loading-content {
    color: var(--text-primary);
}


/* Mobile Nav in Light Theme */
body.light-theme .mobile-nav {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
    backdrop-filter: var(--blur-lg);
}

body.light-theme .mobile-nav-links a {
    color: var(--nav-text);
}

body.light-theme .mobile-nav-links a:hover,
body.light-theme .mobile-nav-links a.active {
    background: rgba(59, 130, 246, 0.05);
    color: var(--link-hover);
}

/* Scrollbar in Light Theme */
body.light-theme ::-webkit-scrollbar {
    width: 8px;
}

body.light-theme ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

body.light-theme ::-webkit-scrollbar-thumb {
    background: var(--link-color);
    border-radius: 4px;
}

body.light-theme ::-webkit-scrollbar-thumb:hover {
    background: var(--link-hover);
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --bg-glass: rgba(0, 0, 0, 0.9);
        --border-color: #ffffff;
    }
}

/* Print styles */
@media print {
    .navbar,
    .mobile-nav,
    .cursor,
    .particles-js,
    .loading-screen,
    .scroll-indicator {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero,
    .about,
    .skills,
    .projects,
    .contact {
        background: white !important;
        color: black !important;
    }

    .btn {
        background: black !important;
        color: white !important;
        border: 1px solid black !important;
    }
}

/* Active Navigation Link */
.nav-links a.active {
    color: var(--primary-400);
}

.theme-toggle-container {
    margin-left: var(--spacing-lg);
    padding-left: var(--spacing-lg);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}



/* Projects section shapes */
.projects::before,
.projects::after {
    pointer-events: none;
    z-index: 0;
}


/* Subtle card effects */
.skill-category,
.project-card,
.education-item {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    background: var(--card-bg);
}

.skill-category:hover,
.project-card:hover,
.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 5px 15px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(0, 180, 216, 0.1);
    background: linear-gradient(145deg, var(--card-bg), rgba(37, 37, 37, 0.95));
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2 * var(--spacing-lg));
    max-width: 1400px;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.glassmorphism {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        0 2px 0 rgba(255, 255, 255, 0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    transition: var(--transition-normal);
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    filter: blur(8px);
}

.logo-link:hover .logo-glow {
    opacity: 0.3;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition-normal);
    filter: drop-shadow(0 0 10px rgba(3, 169, 244, 0.2));
}

body.light-theme .logo-img {
    filter: brightness(0) drop-shadow(0 0 10px rgba(0, 0, 0, 0.2));
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 0 15px rgba(3, 169, 244, 0.4));
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-left: var(--spacing-md);
    transition: var(--transition-normal);
}

.logo-link:hover .logo-text {
    background: var(--gradient-secondary);
    background-clip: text;
    -webkit-background-clip: text;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.theme-toggle {
    position: relative;
    width: 50px;
    height: 24px;
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
}

.theme-toggle:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
}

.theme-toggle i {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.theme-toggle i:first-child {
    opacity: 1;
}

.theme-toggle i:last-child {
    opacity: 0;
}

.theme-toggle.dark i:first-child {
    opacity: 0;
}

.theme-toggle.dark i:last-child {
    opacity: 1;
    color: var(--primary-400);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.mobile-menu-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.hamburger-line {
    position: absolute;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    left: 50%;
    transform: translateX(-50%);
}

.hamburger-line:nth-child(1) {
    top: 14px;
}

.hamburger-line:nth-child(2) {
    top: 21px;
}

.hamburger-line:nth-child(3) {
    top: 28px;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: translateX(-50%) translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: translateX(-50%) translateY(-7px) rotate(-45deg);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    cursor: pointer;
    overflow: hidden;
}

.nav-link::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-400);
    background: rgba(3, 169, 244, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(3, 169, 244, 0.15);
    box-shadow: var(--glow-primary);
}

.nav-glow {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 320px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    transform: translateX(120%);
    transition: var(--transition-slow);
    opacity: 0;
    visibility: hidden;
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-nav-logo img {
    height: 32px;
    width: auto;
}

body.light-theme .mobile-nav-logo img {
    filter: brightness(0);
}

.mobile-nav-logo span {
    font-size: 1.125rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mobile-close-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.125rem;
    transition: var(--transition-normal);
}

.mobile-close-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.mobile-nav-links {
    list-style: none;
    padding: var(--spacing-lg);
    margin: 0;
}

.mobile-nav-link {
    display: block;
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.3s ease;
}

.mobile-nav-link:hover::before {
    left: 0;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-400);
    background: rgba(3, 169, 244, 0.1);
    transform: translateX(5px);
}

.mobile-nav-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Tech pattern overlay */
.tech-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='none'/%3E%3Cpath d='M6 6h2v2H6V6zm10 0h2v2h-2V6zM6 16h2v2H6v-2zm10 0h2v2h-2v-2zM6 26h2v2H6v-2zm10 0h2v2h-2v-2zM6 36h2v2H6v-2zm10 0h2v2h-2v-2z' fill='rgba(0, 180, 216, 0.03)'/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.5;
    z-index: -1;
}

/* Card enhancements */
.skill-category,
.project-card,
.education-item {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    background: var(--card-bg);
    border: 1px solid rgba(0, 180, 216, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.skill-category::before,
.project-card::before,
.education-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.skill-category:hover::before,
.project-card:hover::before,
.education-item:hover::before {
    opacity: 1;
}

.skill-category:hover,
.project-card:hover,
.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 5px 15px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(0, 180, 216, 0.1);
    border-color: rgba(0, 180, 216, 0.2);
}

/* Project thumbnails */
.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 180, 216, 0.1);
    transition: var(--transition);
}

.project-card:hover img {
    transform: scale(1.02);
    border-color: rgba(0, 180, 216, 0.2);
}

/* Skill icons */
.skill-category i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    transition: var(--transition);
}

.skill-category:hover i {
    transform: scale(1.1);
    color: #00b4d8;
}

/* Section headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    margin: 1rem auto 0;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Progress bars for skills */
.skill-progress {
    height: 4px;
    background: rgba(0, 180, 216, 0.1);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.skill-progress .progress {
    height: 100%;
    background: var(--secondary-color);
    border-radius: 2px;
    transition: width 1s ease-in-out;
}

/* Timeline for education/experience */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--secondary-color), transparent);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--secondary-color);
    border: 2px solid var(--background-color);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}

.timeline-item:hover::before {
    transform: scale(1.2);
    transition: transform 0.3s ease;
}

.timeline-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* Contact form styling */
.contact-form {
    background: rgba(26, 26, 26, 0.5);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 180, 216, 0.1);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    background: rgba(30, 30, 30, 0.7);
    border: 1px solid rgba(0, 180, 216, 0.1);
    border-radius: 4px;
    color: var(--text-color);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.1);
}

/* Social links */
.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 180, 216, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: var(--transition);
    border: 1px solid rgba(0, 180, 216, 0.1);
}

.social-link:hover {
    background: var(--secondary-color);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 3px 10px rgba(0, 180, 216, 0.2);
}

.email-link {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.email-link i {
    color: var(--secondary-color);
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;  /* Hide by default on desktop */
}

.mobile-nav,
.mobile-nav-overlay {
    display: none;  /* Hide by default on desktop */
}

@media (max-width: 768px) {
    .navbar {
        top: 0.5rem;
        width: 92%;
    }

    .nav-content {
        padding: 0.6rem 1rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        background: rgba(255, 255, 255, 0.05);
        padding: 0.4rem;
        border-radius: 8px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        color: rgba(255, 255, 255, 0.85);
        font-size: 1.2rem;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn:hover {
        background: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 1);
    }

    .mobile-nav {
        display: block;
        position: fixed;
        top: 1rem;
        right: 1rem;
        width: 300px;
        background: linear-gradient(
            135deg,
            rgba(18, 18, 18, 0.95),
            rgba(24, 24, 28, 0.98)
        );
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        z-index: 2000;
        transform: translateX(120%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 1.5rem;
    }

    .mobile-nav-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 1999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.mobile-close-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 1);
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
}

.mobile-nav-links li {
    margin-bottom: 0.8rem;
}

.mobile-nav-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    display: block;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--secondary-color);
    transform: translateX(5px);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 480px) {
    .mobile-nav {
        width: 85%;
        top: 0.5rem;
        right: 0.5rem;
    }
}