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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background: #f5f5f7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --accent-color: #FF9500;
    --success-color: #34C759;
    --error-color: #FF3B30;
    --warning-color: #FF9500;
    
    /* Text Colors */
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #a1a1a6;
    
    /* Background Colors */
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f2f2f7;
    --bg-glass: rgba(255, 255, 255, 0.8);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    --gradient-secondary: linear-gradient(135deg, #FF9500 0%, #FF3B30 100%);
    --gradient-success: linear-gradient(135deg, #34C759 0%, #30D158 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 122, 255, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* 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;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* Dynamic Background */
.dynamic-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #007AFF, #5856D6);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, #FF9500, #FF3B30);
    top: 60%;
    right: 10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, #34C759, #30D158);
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.orb-4 {
    width: 350px;
    height: 350px;
    background: linear-gradient(45deg, #5856D6, #AF52DE);
    top: 30%;
    right: 30%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(0, 122, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(88, 86, 214, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 149, 0, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(52, 199, 89, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleMove 30s linear infinite;
}

@keyframes particleMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(-200px, -100px);
    }
}

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

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    text-align: center;
}

.apple-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    position: relative;
}

.logo-path {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    animation: logoSpin 2s ease-in-out infinite;
}

@keyframes logoSpin {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.1);
    }
}

.loading-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: progressFill 3s ease-in-out infinite;
}

@keyframes progressFill {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 100%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
}

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

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
}

.logo-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: logoRipple 2s ease-in-out infinite;
}

@keyframes logoRipple {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(0, 122, 255, 0.1);
}

.nav-icon {
    font-size: 1.2rem;
}

.nav-indicator {
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transform: translateX(-50%);
    transition: width var(--transition-smooth);
}

.nav-link.active .nav-indicator {
    width: 80%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition-smooth);
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

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

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

.profile-card {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: var(--radius-2xl);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary-color), transparent);
    animation: cardRotate 4s linear infinite;
    opacity: 0.3;
}

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

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    object-fit: cover;
    position: relative;
    z-index: 2;
}

.image-overlay {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 3;
}

.profile-card:hover .image-overlay {
    opacity: 0.1;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
}

.dot-1 {
    top: 20%;
    right: 10%;
    animation: floatDot 3s ease-in-out infinite;
}

.dot-2 {
    bottom: 30%;
    left: 15%;
    animation: floatDot 3s ease-in-out infinite 1s;
}

.dot-3 {
    top: 60%;
    right: 20%;
    animation: floatDot 3s ease-in-out infinite 2s;
}

@keyframes floatDot {
    0%, 100% {
        transform: translateY(0px);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px);
        opacity: 1;
    }
}

.hero-text {
    max-width: 600px;
}

.greeting-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.greeting {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.wave-emoji {
    font-size: 1.5rem;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(20deg);
    }
    75% {
        transform: rotate(-10deg);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.title-word {
    display: inline-block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        filter: brightness(1);
    }
    100% {
        filter: brightness(1.2);
    }
}

.role-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: 1.3rem;
}

.role-prefix {
    color: var(--text-secondary);
    font-weight: 500;
}

.dynamic-role {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 200px;
}

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

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    animation: highlightExpand 2s ease-in-out infinite alternate;
}

@keyframes highlightExpand {
    0% {
        transform: scaleX(0);
    }
    100% {
        transform: scaleX(1);
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-spring);
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

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

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.stat-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-spring);
    overflow: hidden;
    z-index: 1;
}

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

.btn-secondary {
    background: var(--bg-glass);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(20px);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn:active .btn-ripple {
    width: 300px;
    height: 300px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-secondary);
}

.scroll-text {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 12px;
    position: relative;
    margin: 0 auto;
}

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

@keyframes scrollWheel {
    0% {
        top: 8px;
        opacity: 1;
    }
    100% {
        top: 24px;
        opacity: 0;
    }
}

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

.about-content {
    display: grid;
    gap: var(--spacing-3xl);
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.about-card {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-spring);
    overflow: hidden;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.card-icon {
    font-size: 2.5rem;
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.gpa-display {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.gpa-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.gpa-scale {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary-color), transparent);
    animation: cardRotate 6s linear infinite;
    opacity: 0.1;
}

.story-card {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.story-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.story-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.interests-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.interest-tag {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.interest-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.story-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--secondary-color), transparent);
    animation: cardRotate 8s linear infinite;
    opacity: 0.05;
}

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

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

.timeline-line {
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.marker-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: markerPulse 2s ease-in-out infinite;
}

@keyframes markerPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.timeline-card {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-spring);
    overflow: hidden;
}

.timeline-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.timeline-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.timeline-card .card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.job-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.job-info h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.achievements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.achievement {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(0, 122, 255, 0.1);
    border-radius: var(--radius-md);
}

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

.achievement-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tech-tag.flutter {
    background: rgba(2, 119, 189, 0.2);
    color: #0277bd;
}

.tech-tag.dart {
    background: rgba(0, 180, 216, 0.2);
    color: #00b4d8;
}

.tech-tag.laravel {
    background: rgba(255, 45, 32, 0.2);
    color: #ff2d20;
}

.tech-tag.php {
    background: rgba(119, 123, 180, 0.2);
    color: #777bb4;
}

.tech-tag.python {
    background: rgba(255, 212, 59, 0.2);
    color: #ffd43b;
}

.tech-tag.opencv {
    background: rgba(92, 184, 92, 0.2);
    color: #5cb85c;
}

.tech-tag.paddle {
    background: rgba(0, 123, 255, 0.2);
    color: #007bff;
}

.tech-tag.streamlit {
    background: rgba(255, 75, 75, 0.2);
    color: #ff4b4b;
}

.tech-tag.web {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

.tech-tag.payment {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.tech-tag.realtime {
    background: rgba(23, 162, 184, 0.2);
    color: #17a2b8;
}

.tech-tag.tableau {
    background: rgba(232, 93, 4, 0.2);
    color: #e85d04;
}

.tech-tag.sql {
    background: rgba(0, 123, 255, 0.2);
    color: #007bff;
}

.tech-tag.sklearn {
    background: rgba(243, 114, 44, 0.2);
    color: #f3722c;
}

.tech-tag.pandas {
    background: rgba(150, 9, 62, 0.2);
    color: #96093e;
}

.tech-tag.firebase {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

/* Projects Section */
.projects-section {
    background: var(--bg-secondary);
}

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

.project-card {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-spring);
    cursor: pointer;
}

.project-card.featured-project {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.project-card:not(.featured-project) .project-image {
    height: 200px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

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

.project-card:hover .image-overlay {
    opacity: 0.2;
}

.project-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.project-icon {
    font-size: 2rem;
}

.project-category {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

.project-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(0, 122, 255, 0.1);
    border-radius: var(--radius-md);
}

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

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.project-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary-color), transparent);
    animation: cardRotate 10s linear infinite;
    opacity: 0.05;
}

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

.skills-container {
    display: grid;
    gap: var(--spacing-3xl);
}

.skill-category {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.skill-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

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

.skill-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(8px);
}

.skill-icon {
    font-size: 2rem;
}

.skill-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.skill-level {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.level-bar {
    flex: 1;
    height: 8px;
    background: rgba(0, 122, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.level-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
}

.level-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 40px;
}

.frameworks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.framework-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    transition: var(--transition-spring);
}

.framework-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.8);
}

.framework-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.framework-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.proficiency {
    height: 4px;
    border-radius: 2px;
    margin: 0 auto;
    width: 80%;
}

.proficiency.expert {
    background: var(--success-color);
}

.proficiency.advanced {
    background: var(--primary-color);
}

.proficiency.intermediate {
    background: var(--accent-color);
}

.data-skills {
    display: grid;
    gap: var(--spacing-lg);
}

.data-skill {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

.data-skill:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-4px);
}

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

.skill-header .skill-icon {
    margin-right: var(--spacing-md);
}

.skill-header h4 {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.expertise-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.expertise-badge.expert {
    background: rgba(52, 199, 89, 0.2);
    color: var(--success-color);
}

.expertise-badge.advanced {
    background: rgba(0, 122, 255, 0.2);
    color: var(--primary-color);
}

.skill-progress {
    margin-bottom: var(--spacing-md);
}

.progress-bar {
    height: 8px;
    background: rgba(0, 122, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    display: block;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
}

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

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

.contact-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(8px);
}

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

.method-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.method-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.method-info a:hover {
    text-decoration: underline;
}

.method-info span {
    color: var(--text-secondary);
}

.contact-form-container {
    position: sticky;
    top: var(--spacing-xl);
}

.contact-form {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--text-secondary);
}

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

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-smooth);
}

.form-group input:focus + .input-line,
.form-group textarea:focus + .input-line {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

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

.footer-content p:last-child {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

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

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

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

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        transform: translateY(100%);
        transition: var(--transition-smooth);
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

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

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

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

    .hero-section {
        padding-top: 100px;
    }

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

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

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-marker {
        left: -10px;
        width: 40px;
        height: 40px;
    }

    .marker-ring {
        width: 30px;
        height: 30px;
    }

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

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .stat-card,
    .about-card,
    .timeline-card,
    .project-card,
    .contact-card,
    .contact-form {
        padding: var(--spacing-lg);
    }

    .profile-card {
        width: 280px;
        height: 280px;
    }

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth scrolling for Safari */
@media screen and (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .main-nav,
    .cta-buttons,
    .contact-form {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section-title {
        color: black !important;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

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

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: #000000;
        --text-tertiary: #333333;
    }
}