/* ====================================
   SPECTACULAR DATA SCIENCE RESUME CSS
   Light/Dark Mode + Advanced Animations
   ==================================== */

:root {
    /* Dark Theme (Default) */
    --primary: #ffffff;
    --secondary: #f1f5f9;
    --accent: #0ea5e9; 
    --accent-light: #38bdf8;
    --accent-secondary: #059669; 
    --accent-tertiary: #dc2626; 
    --accent-purple: #7c3aed; 
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-light: #94a3b8;
    --text-dark: #1e293b;
    --bg-primary: #0f172a; 
    --bg-secondary: #1e293b; 
    --bg-tertiary: #334155;
    --bg-light: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(14, 165, 233, 0.2);
    --shadow: 0 25px 50px rgba(15, 23, 42, 0.5);
    --shadow-lg: 0 25px 50px rgba(14, 165, 233, 0.2);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

/* Light Theme */
[data-theme="light"] {
    --primary: #1e293b;
    --secondary: #334155;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --bg-card: rgba(15, 23, 42, 0.05);
    --border: rgba(15, 23, 42, 0.1);
    --shadow: 0 25px 50px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 25px 50px rgba(14, 165, 233, 0.1);
}

/* Light Mode Button Overrides */
[data-theme="light"] .btn.secondary {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(14, 165, 233, 0.3);
    color: var(--text-secondary);
}

[data-theme="light"] .btn.secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--accent);
    color: var(--accent);
}

[data-theme="light"] .contact-method {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.2);
    color: var(--text-secondary);
}

[data-theme="light"] .contact-method:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--accent);
    color: var(--accent);
}

[data-theme="light"] .method-icon {
    background: var(--accent);
    color: white;
}

[data-theme="light"] .method-info h3 {
    color: var(--text-primary);
}

[data-theme="light"] .method-info span {
    color: var(--text-secondary);
}

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

html {
    scroll-behavior: smooth;
    font-size: clamp(14px, 1.5vw, 16px);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    position: relative;
    transition: var(--transition);
}

/* Theme Transition Effect */
.theme-transitioning * {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease !important;
}

/* Enhanced Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -2;
    transition: var(--transition);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

/* ====================================
   ENHANCED NAVIGATION
   ==================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(var(--bg-primary-rgb, 15, 23, 42), 0.90);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.8);
    transform: translateY(0);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.90);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .nav-links {
    backdrop-filter: blur(20px) saturate(180%);
}

[data-theme="light"] .nav-links a {
    color: var(--text-secondary);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-glow);
    border-bottom-color: var(--accent);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.nav-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(14, 165, 233, 0.5));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--accent-light);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transition: width 0.3s ease;
}

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

/* Navigation Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle i {
    position: absolute;
    transition: var(--transition);
    color: var(--accent);
}

.theme-toggle .fa-sun {
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
    color: #f97316;
}

.theme-toggle .fa-moon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    color: #f59e0b;
}

[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    color: #f59e0b;
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: scale(0.5) rotate(90deg);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    margin: 2px 0;
    transition: var(--transition);
}

/* ====================================
   SPECTACULAR HERO SECTION
   ==================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 120px;
    padding-bottom: 4rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(5, 150, 105, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 40% 60%, rgba(124, 58, 237, 0.08) 0%, transparent 40%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(14, 165, 233, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(5, 150, 105, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(124, 58, 237, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: particleFloat 20s linear infinite;
    opacity: 0.4;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
}

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

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 
        0 25px 50px rgba(14, 165, 233, 0.3),
        0 0 0 4px var(--bg-primary),
        0 0 0 8px rgba(14, 165, 233, 0.2);
    transition: var(--transition);
    position: relative;
}

.profile-image:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 
        0 35px 70px rgba(14, 165, 233, 0.4),
        0 0 0 4px var(--bg-primary),
        0 0 0 8px rgba(14, 165, 233, 0.4),
        0 0 40px rgba(14, 165, 233, 0.6);
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-text .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-text .description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* Enhanced Button Styles */
.btn {
    padding: 0.875rem 2.25rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    box-shadow: 
        0 8px 25px rgba(14, 165, 233, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

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

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

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 35px rgba(14, 165, 233, 0.5),
        0 0 20px rgba(14, 165, 233, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn.secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-light);
    backdrop-filter: blur(10px);
}

.btn.secondary:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-3px);
    background: rgba(14, 165, 233, 0.1);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 3rem;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-chart {
    position: absolute;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 6s ease-in-out infinite;
    opacity: 0.8;
}

.floating-chart.chart-1 {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.floating-chart.chart-2 {
    bottom: 30%;  
    left: 10%;
    animation-delay: 2s;
}

.floating-chart.chart-3 {
    top: 60%;
    right: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.mini-chart {
    width: 60px;
    height: 40px;
}

.chart-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-align: center;
}

.bar-chart-mini {
    display: flex;
    align-items: end;
    gap: 3px;
    height: 40px;
}

.bar-chart-mini .bar {
    width: 8px;
    background: linear-gradient(to top, var(--accent), var(--accent-light));
    border-radius: 2px;
    animation: barGrow 1s ease;
}

@keyframes barGrow {
    from { height: 0; }
}

/* ====================================
   SECTIONS & ANIMATIONS
   ==================================== */

.section {
    padding: 6rem 0;
    background: var(--bg-primary);
    transition: var(--transition);
}

.section.bg-light {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Skills Section */
.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.skills-group-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.625rem 1rem;
    transition: var(--transition);
    cursor: default;
}

.skill-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.skill-item img {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    object-fit: contain;
    border-radius: 3px;
}

.skill-icon {
    width: 22px;
    font-size: 1.1rem;
    text-align: center;
    flex-shrink: 0;
}

.skill-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

/* Experience Timeline */
.experience-timeline {
    position: relative;
}

.timeline-item {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    margin-bottom: 3rem;
}

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

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.timeline-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.timeline-logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 8px;
}

.timeline-main-info h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.company {
    color: var(--accent);
    font-weight: 500;
}

.timeline-meta {
    text-align: right;
}

.period {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.job-type {
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.project-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
    transition: var(--transition);
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.4);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Education */
.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

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

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.education-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

/* Contact Section */
.contact-dark {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.contact-hero {
    display: block;
}

.contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.method-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.method-info span {
    word-break: break-all;
    overflow-wrap: break-word;
    display: block;
    line-height: 1.3;
}

.contact-method:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    color: var(--accent);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

/* Particle System */
.particle-system {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;  
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFall linear infinite;
}

@keyframes particleFall {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    color: var(--text-light);
}

/* ====================================
   RESPONSIVE DESIGN  
   ==================================== */

@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 250px 1fr;
        gap: 3rem;
    }
    
    .profile-image {
        width: 240px;
        height: 240px;
    }
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-secondary);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        gap: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-controls {
        order: -1;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .timeline-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .floating-chart {
        display: none;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 2rem;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
        justify-content: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .education-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}
:root {
    --primary: #ffffff;
    --secondary: #f1f5f9;
    --accent: #0ea5e9; /* Data science blue */
    --accent-light: #38bdf8;
    --accent-secondary: #059669; /* Sports green */
    --accent-tertiary: #dc2626; /* Sports red */
    --accent-purple: #7c3aed; /* Data purple */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-light: #94a3b8;
    --text-dark: #1e293b;
    --bg-primary: #0f172a; /* Deep navy */
    --bg-secondary: #1e293b; /* Slate blue */
    --bg-tertiary: #334155;
    --bg-light: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(14, 165, 233, 0.2);
    --shadow: 0 25px 50px rgba(15, 23, 42, 0.5);
    --shadow-lg: 0 25px 50px rgba(14, 165, 233, 0.2);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    font-size: 16px;
    overflow-x: hidden;
    position: relative;
}

/* Data grid background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

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

/* Navigation - Enhanced Data Science Style */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.90);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.8);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-glow);
    border-bottom-color: rgba(14, 165, 233, 0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.nav-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(14, 165, 233, 0.5));
}

.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transition: width 0.3s ease;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--accent-light);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    margin: 2px 0;
    transition: var(--transition);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* Hero Section - Advanced Data Visualization Style */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(5, 150, 105, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 40% 60%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 20%, rgba(220, 38, 38, 0.05) 0%, transparent 40%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Floating data particles */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(14, 165, 233, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(5, 150, 105, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(124, 58, 237, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(220, 38, 38, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: particleFloat 20s linear infinite;
    opacity: 0.4;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
}

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

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 
        0 25px 50px rgba(14, 165, 233, 0.3),
        0 0 0 4px rgba(15, 23, 42, 0.8),
        0 0 0 8px rgba(14, 165, 233, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.profile-image:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 
        0 35px 70px rgba(14, 165, 233, 0.4),
        0 0 0 4px rgba(15, 23, 42, 0.8),
        0 0 0 8px rgba(14, 165, 233, 0.4),
        0 0 40px rgba(14, 165, 233, 0.6);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-text .description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Enhanced Button Styles with Data Science Feel */
.btn {
    padding: 0.875rem 2.25rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    box-shadow: 
        0 8px 25px rgba(14, 165, 233, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

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

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

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 35px rgba(14, 165, 233, 0.5),
        0 0 20px rgba(14, 165, 233, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    color: white;
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 2px solid var(--border-light);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn.secondary:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-3px);
    background: rgba(14, 165, 233, 0.1);
    box-shadow: 
        0 8px 25px rgba(14, 165, 233, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Sections */
.section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.section.bg-light {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    border-radius: 2px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Projects Grid - Enhanced Layout */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
}
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    backdrop-filter: blur(20px);
}

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

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: 
        var(--shadow-glow),
        0 35px 80px rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.4);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-purple));
}

/* Animated data line pattern on cards */
.project-card::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, transparent 40%, rgba(14, 165, 233, 0.1) 50%, transparent 60%);
    border-radius: 8px;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover::after {
    opacity: 1;
    animation: dataGlow 2s ease-in-out infinite alternate;
}

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

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(5, 150, 105, 0.15));
    color: var(--accent-light);
    padding: 0.375rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(14, 165, 233, 0.3);
    font-family: var(--font-mono);
    letter-spacing: 0.025em;
    position: relative;
    overflow: hidden;
}

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

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

.project-link {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-secondary);
}

/* Enhanced Education Card */
.education-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3rem;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-purple));
}

.education-card::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.education-card:hover::after {
    opacity: 1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 0.3; }
}

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

.education-card:hover {
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: var(--shadow-glow);
    transform: translateY(-8px);
}

.education-logo {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.95));
    padding: 1.25rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.education-logo img {
    height: 80px;
    width: auto;
}

.education-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.education-institution {
    color: var(--accent-light);
    font-weight: 500;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.education-period {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.education-details {
    color: var(--text-secondary);
}

.detail-item {
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Experience Timeline - Premium Data Science Design */
.timeline-content {
    background: var(--bg-card);
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-purple));
}

.timeline-content:hover {
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: var(--shadow-glow);
    transform: translateY(-8px);
}

/* Header with enhanced styling */
.timeline-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, 
        rgba(14, 165, 233, 0.08), 
        rgba(5, 150, 105, 0.06), 
        rgba(124, 58, 237, 0.04));
    border-bottom: 1px solid var(--border);
    position: relative;
}

.timeline-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
}

.timeline-logo {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 0 20px rgba(14, 165, 233, 0.1);
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.timeline-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.timeline-main-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.company {
    color: var(--accent-light);
    font-weight: 500;
    font-size: 1.1rem;
}

.timeline-meta {
    text-align: right;
    flex-shrink: 0;
}

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

.job-type {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(5, 150, 105, 0.1));
    color: var(--accent-light);
    padding: 0.375rem 1rem;
    border-radius: 25px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
    display: inline-block;
    border: 1px solid rgba(14, 165, 233, 0.3);
    font-family: var(--font-mono);
}

/* Content area */
.timeline-body {
    padding: 2rem;
}

.timeline-summary {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.timeline-achievements {
    margin-top: 1.5rem;
}

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

.timeline-achievements li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-achievements li::before {
    content: '▶';
    color: var(--accent-light);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    text-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

/* Contact Section - Premium Data Sports Style */
.contact-dark {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #0f172a 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 15% 25%, rgba(14, 165, 233, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(5, 150, 105, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 45% 65%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 65% 25%, rgba(220, 38, 38, 0.06) 0%, transparent 40%);
    animation: contactGlow 10s ease-in-out infinite alternate;
}

@keyframes contactGlow {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

.contact-hero h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
}

.contact-hero {
    position: relative;
    z-index: 2;
    display: block;
    min-height: auto;
}

.contact-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
}

.contact-content p {
    font-size: 1.375rem;
    color: var(--text-light);
    margin-bottom: 3.5rem;
    line-height: 1.7;
    opacity: 0.9;
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* Contact Visual and Data Visualization */
.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.data-visualization {
    position: relative;
    width: 350px;
    height: 350px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 16px;
    text-decoration: none;
    color: white;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.contact-method::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
    transition: left 0.8s ease;
}

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

.contact-method:hover {
    transform: translateY(-6px);
    background: rgba(14, 165, 233, 0.08);
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: 
        0 25px 50px rgba(14, 165, 233, 0.25),
        0 0 30px rgba(14, 165, 233, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 
        0 8px 25px rgba(14, 165, 233, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.method-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: white;
}

.method-info span {
    font-size: 0.875rem;
    color: #94a3b8;
    word-break: break-all;
    overflow-wrap: break-word;
    display: block;
    line-height: 1.3;
}

/* Enhanced Data Visualization with Sports Metrics */
.chart-container {
    display: flex;
    align-items: end;
    justify-content: space-around;
    height: 240px;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(14, 165, 233, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(14, 165, 233, 0.1);
}

.chart-bar {
    width: 35px;
    background: linear-gradient(to top, 
        var(--accent) 0%, 
        var(--accent-light) 50%, 
        var(--accent-secondary) 100%);
    border-radius: 6px 6px 0 0;
    opacity: 0.9;
    animation: barGrow 3s ease-out infinite alternate;
    position: relative;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.chart-bar::after {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(5, 150, 105, 0.6);
}

.chart-bar:nth-child(1) { animation-delay: 0s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.4s; }
.chart-bar:nth-child(4) { animation-delay: 0.6s; }
.chart-bar:nth-child(5) { animation-delay: 0.8s; }
.chart-bar:nth-child(6) { animation-delay: 1s; }

@keyframes barGrow {
    0% { 
        transform: scaleY(0.7); 
        opacity: 0.7;
        filter: brightness(0.8);
    }
    100% { 
        transform: scaleY(1); 
        opacity: 1;
        filter: brightness(1.2);
    }
}

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

.data-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, var(--accent-purple) 100%);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(5, 150, 105, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.data-point:nth-child(1) {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.data-point:nth-child(2) {
    top: 40%;
    right: 20%;
    animation-delay: 1s;
}

.data-point:nth-child(3) {
    bottom: 30%;
    left: 25%;
    animation-delay: 2s;
}

.data-point:nth-child(4) {
    top: 60%;
    right: 15%;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) scale(1) rotate(0deg); 
        opacity: 0.8; 
    }
    33% { 
        transform: translateY(-25px) scale(1.3) rotate(120deg); 
        opacity: 1; 
    }
    66% { 
        transform: translateY(-15px) scale(1.1) rotate(240deg); 
        opacity: 0.9; 
    }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        padding: 2rem;
        background: var(--bg-secondary);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        backdrop-filter: blur(10px);
    }

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

    .hero {
        min-height: 100vh;
        padding-top: 120px;
        padding-bottom: 2rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

    .container {
        padding: 0 1rem;
    }

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

    .education-card {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .timeline-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }

    .timeline-logo {
        width: 60px;
        height: 60px;
        margin: 0 auto;
    }

    .timeline-meta {
        text-align: center;
    }

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

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

    .section {
        padding: 4rem 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .contact-content h2 {
        font-size: 2.5rem;
    }

    .data-visualization {
        width: 250px;
        height: 250px;
    }
}