/* Modern CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--space-md);
    color: var(--gray-600);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    width: 100%;
    box-sizing: border-box;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand .brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-accent);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--gradient-primary);
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-md);
    text-align: center;
    color: var(--white);
    animation: float 4s ease-in-out infinite;
    transition: var(--transition-normal);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.card-text {
    font-weight: 600;
    font-size: 0.9rem;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--white);
    position: relative;
    animation: scroll 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg);
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.5; transform: translateY(10px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.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: var(--transition-normal);
}

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

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.9rem;
}

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

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

/* Section Styles */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

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

.project-counter {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: var(--space-md);
    box-shadow: var(--shadow-md);
}

.project-counter #projectCount {
    font-weight: 800;
    font-size: 1.1rem;
}

.section-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.image-container:hover .image-overlay {
    opacity: 0.3;
}

.image-container:hover .profile-image {
    transform: scale(1.1);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
    color: var(--gray-800);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Skills Section */
.skills-section {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.skill-category {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.skill-header i {
    font-size: 2rem;
    color: var(--primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-header h3 {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin: 0;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Experience Section */
.experience-section {
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow-lg);
}

.timeline-content {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-left: 60%;
    position: relative;
    transition: var(--transition-normal);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: 60%;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.timeline-header {
    margin-bottom: var(--space-md);
}

.timeline-header h3 {
    color: var(--gray-800);
    margin-bottom: var(--space-xs);
}

.company {
    display: block;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.duration {
    display: block;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.achievement-list {
    list-style: none;
    padding: 0;
}

.achievement-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--gray-600);
}

.achievement-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Projects Section */
.projects-section {
    background: var(--gray-50);
    position: relative;
    padding: var(--space-3xl) 0;
}

.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(236, 72, 153, 0.02) 100%);
    pointer-events: none;
}

/* Projects Grid - Modern Layout */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-xl);
    width: 100%;
}

/* Large screens - 3 column layout */
@media (min-width: 1400px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
        max-width: none;
    }
}

/* Medium-large screens - 2 column layout */
@media (min-width: 1024px) and (max-width: 1399px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
        max-width: none;
    }
}

/* Medium screens - 2 column with smaller gaps */
@media (min-width: 768px) and (max-width: 1023px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
}

/* Small screens - single column */
@media (max-width: 767px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* Project Filters */
.project-filters {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
    min-width: 80px;
    text-align: center;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Filter Controls */
.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    gap: var(--space-md);
    flex-wrap: wrap;
}

.filter-search {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.filter-sort {
    min-width: 200px;
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    background: var(--white);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.9rem;
}

.sort-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Loading Projects */
.loading-projects {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--gray-500);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-md);
}

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

/* Project Cards - Modern Design */
.project-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 400px;
    max-height: 500px;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.project-card:hover .project-icon {
    transform: scale(1.05) rotate(2deg);
}

.project-card:hover .tech-tag {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.project-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-xl);
    grid-column: span 1;
}

.project-card.featured::before {
    background: var(--gradient-secondary);
}

/* Featured card spans full width on smaller screens */
@media (max-width: 1023px) {
    .project-card.featured {
        grid-column: span 1;
    }
}

/* Project Header - Improved Layout */
.project-header {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    align-items: flex-start;
}

.project-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.project-info {
    flex: 1;
    min-width: 0;
}

.project-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-description {
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 0;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Project Meta - Compact Design */
.project-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--gray-500);
    font-size: 0.8rem;
    font-weight: 500;
}

.meta-item i {
    color: var(--primary);
    font-size: 0.65rem;
}

/* Project Tech - Better Tag Layout */
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    flex: 1;
}

.tech-tag {
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    cursor: default;
    border: 1px solid var(--gray-200);
    white-space: nowrap;
}

.tech-tag:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Project Links - Better Button Layout */
.project-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: auto;
}

.project-links .btn {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    min-height: 40px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Responsive adjustments for filter controls */
@media (max-width: 768px) {
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-search,
    .filter-sort {
        max-width: none;
        min-width: auto;
    }
    
    .filter-tags {
        justify-content: center;
    }
    
    .filter-btn {
        min-width: 70px;
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
    }
}

/* Project card animations */
.project-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.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:nth-child(6) { animation-delay: 0.6s; }

/* No projects state */
.no-projects {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--gray-500);
}

.no-projects i {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--gray-300);
}

/* Project stats */
.project-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: var(--gray-600);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact-section {
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    color: var(--gray-800);
    margin-bottom: var(--space-xs);
    margin: 0 0 var(--space-xs) 0;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-brand h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    color: var(--gray-400);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gray-800);
    color: var(--white);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-content {
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-content {
        padding: 0 var(--space-sm);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* Smooth scrolling and animations */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}

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

.section {
    animation: fadeInUp 0.8s ease-out;
}

/* Hover effects for interactive elements */
.nav-link,
.btn,
.skill-tag,
.project-card,
.contact-item,
.timeline-content {
    transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}