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

:root {
    /* Apple-inspired Color Palette */
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --accent-color: #FF3B30;
    --success-color: #34C759;
    --warning-color: #FF9500;
    
    /* Neutral Colors */
    --background-primary: #FFFFFF;
    --background-secondary: #F2F2F7;
    --background-tertiary: #FFFFFF;
    --text-primary: #000000;
    --text-secondary: #3C3C43;
    --text-tertiary: #8E8E93;
    --separator: #C6C6C8;
    
    /* Dark Mode Colors */
    --dark-background-primary: #000000;
    --dark-background-secondary: #1C1C1E;
    --dark-background-tertiary: #2C2C2E;
    --dark-text-primary: #FFFFFF;
    --dark-text-secondary: #EBEBF5;
    --dark-text-tertiary: #8E8E93;
    --dark-separator: #38383A;
    
    /* Typography */
    --font-primary: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 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: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-primary: var(--dark-background-primary);
        --background-secondary: var(--dark-background-secondary);
        --background-tertiary: var(--dark-background-tertiary);
        --text-primary: var(--dark-text-primary);
        --text-secondary: var(--dark-text-secondary);
        --text-tertiary: var(--dark-text-tertiary);
        --separator: var(--dark-separator);
    }
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(20, 20, 20, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(20, 20, 20, 0.95) 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

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

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

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

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

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

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0, 122, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(88, 86, 214, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

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

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta {
    margin-top: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.hero-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
}

.cta-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.cta-link:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeInRight 1s ease-out 0.8s forwards;
}

.profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.profile-image-container {
    position: relative;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
    animation-delay: 1s;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: all var(--transition-normal);
    border-radius: 50%;
    background-color: var(--background-secondary);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(0, 122, 255, 0.3);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-align: center;
    padding: var(--spacing-md);
}

.placeholder-icon {
    font-size: 3rem;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.placeholder-text {
    font-size: 0.9rem;
    color: white;
    font-weight: 500;
    opacity: 0.9;
}

.floating-card {
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--separator);
    animation: float 6s ease-in-out infinite;
    max-width: 400px;
}

.card-content {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

.code-line {
    margin-bottom: var(--spacing-sm);
}

.indent {
    padding-left: var(--spacing-lg);
}

.double-indent {
    padding-left: calc(var(--spacing-lg) * 2);
}

.keyword { color: #FF6B6B; }
.type { color: #4ECDC4; }
.variable { color: #45B7D1; }
.string { color: #96CEB4; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: #0056CC;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

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

.section-title {
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

/* Web Development Section */
.web-development {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
}

.web-development-content {
    margin-top: var(--spacing-2xl);
}

.web-project-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

.web-project-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-2xl);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--separator);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.web-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.web-project-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    height: 120px;
    width: 120px;
}

.web-project-icon {
    font-size: 3rem;
    color: white;
}

.web-project-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-md);
}

.web-project-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.web-project-description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.web-project-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

/* Project Details Styles */
.project-details {
    padding: var(--spacing-3xl) 0;
    background: var(--background-primary);
}

.project-overview {
    max-width: 1000px;
    margin: 0 auto;
}

.project-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--separator);
}

.project-icon-large {
    font-size: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    color: white;
}

.project-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-role {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.project-description {
    background: var(--background-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--separator);
}

.project-description h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    color: var(--text-primary);
}

.project-description h3:first-child {
    margin-top: 0;
}

.project-description h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
    color: var(--text-primary);
}

.project-description p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.project-description ul {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

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

.implementation-details {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.tech-section {
    background: var(--background-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--separator);
}

.tech-section h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.tech-section p {
    margin-bottom: 0;
}

/* About Section */
.about {
    background: var(--background-secondary);
}

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

.about-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.skills-grid::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    opacity: 0.3;
}

/* All categories now have consistent sizing with fixed 200px width */

/* Responsive grid adjustments */
@media (max-width: 1000px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    .skill-category h3 { font-size: 1rem; }
}

.skill-category {
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
    height: fit-content;
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
    box-shadow: var(--shadow-md);
}

.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }
.skill-category:nth-child(4) { animation-delay: 0.4s; }
.skill-category:nth-child(5) { animation-delay: 0.5s; }
.skill-category:nth-child(6) { animation-delay: 0.6s; }
.skill-category:nth-child(7) { animation-delay: 0.7s; }
.skill-category:nth-child(8) { animation-delay: 0.8s; }
.skill-category:nth-child(9) { animation-delay: 0.9s; }
.skill-category:nth-child(10) { animation-delay: 1.0s; }

/* Add subtle pulse animation to skill tags */
@keyframes skillTagPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* Reduce motion on skill tags for readability */
.skill-tag { animation: none !important; }

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.skill-category::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.03) 0%, rgba(88, 86, 214, 0.03) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-xl);
}

.skill-category:hover::before {
    transform: scaleX(1);
}

.skill-category:hover::after {
    opacity: 1;
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 122, 255, 0.15);
    border-color: rgba(0, 122, 255, 0.3);
}

.skill-category h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: left;
    padding-bottom: var(--spacing-sm);
    position: relative;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    align-items: flex-start;
    padding: var(--spacing-sm) 0 0 0;
    width: 100%;
}

.skill-tag {
    background: var(--background-secondary);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
    text-align: left;
    min-width: 0;
    white-space: normal;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    line-height: 1.1;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left var(--transition-normal);
}

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(88, 86, 214, 0.08));
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Call to Action Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: white;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.cta-section .btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-section .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-section .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Experience Section */
.experience {
    background: var(--background-secondary);
}

.experience-content {
    max-width: 800px;
    margin: 0 auto;
}

.experience-item {
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--separator);
    box-shadow: var(--shadow-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.experience-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--separator);
}

.experience-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.experience-company {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.experience-duration {
    font-size: 1rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.experience-description p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.experience-achievements h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.experience-achievements ul {
    list-style: none;
    padding: 0;
}

.experience-achievements li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.experience-achievements li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
    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:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }
.project-card:nth-child(9) { animation-delay: 0.9s; }

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.project-image {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.project-icon {
    font-size: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

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

.tech-tag {
    background: var(--background-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--separator);
}

/* Contact Section */
.contact {
    background: var(--background-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

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

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--background-tertiary);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--separator);
    transition: all var(--transition-normal);
    font-weight: 500;
}

.contact-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.link-icon {
    font-size: 1.25rem;
}


/* Footer */
.footer {
    background: var(--background-tertiary);
    border-top: 1px solid var(--separator);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    text-align: center;
    color: var(--text-tertiary);
}

.footer-content p {
    margin-bottom: var(--spacing-sm);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--separator);
}

.project-modal-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-modal-title h2 {
    margin: 0;
    font-size: 2rem;
    color: var(--text-primary);
}

.project-status {
    display: inline-block;
    background: var(--success-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.project-modal-content {
    line-height: 1.7;
}

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

.project-modal-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.project-modal-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

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

.feature-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-modal-actions {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--separator);
}

.modal-content {
    background-color: var(--background-tertiary);
    margin: 5% auto;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .profile-section {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .profile-image-container {
        width: 200px;
        height: 200px;
    }
    
    .placeholder-icon {
        font-size: 2.5rem;
    }
    
    .placeholder-text {
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-cta {
        margin-top: var(--spacing-lg);
    }
    
    .hero-cta p {
        font-size: 1rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-description {
        font-size: 1.125rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-links {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .contact-links {
        flex-direction: column;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card {
        animation: none;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.project-card:focus,
.contact-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --separator: #000000;
        --text-tertiary: #000000;
    }
}

/* Published Apps Section */
.published-apps {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-primary) 100%);
}

.published-apps-content {
    margin-top: var(--spacing-2xl);
}

.app-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.app-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--separator);
    max-width: 800px;
    width: 100%;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.app-image-container {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.app-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.app-card:hover .app-image {
    transform: scale(1.02);
}

.app-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-md);
}

.app-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.app-description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.feature-tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.feature-tag:hover {
    background: var(--secondary-color);
}

.app-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.published {
    background: var(--success-color);
    color: white;
}

.status-text {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Responsive Design for Published Apps */
@media (max-width: 768px) {
    .app-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .app-image-container {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .app-title {
        font-size: 1.5rem;
    }
    
    .app-description {
        font-size: 1rem;
    }
    
    .app-features {
        justify-content: center;
    }
    
    .app-status {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .published-apps {
        padding: var(--spacing-2xl) 0;
    }
    
    .app-card {
        padding: var(--spacing-md);
    }
    
    .app-image-container {
        max-width: 200px;
    }
}