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

html {
    /* scroll-behavior will be controlled by JavaScript to avoid conflicts with Lenis */
    scroll-behavior: auto;
    /* iOS Safari momentum scrolling */
    -webkit-overflow-scrolling: touch;
}

/* Native smooth scrolling when Lenis is not active (desktop only) */
html:not(.lenis-active):not([data-mobile]) {
    scroll-behavior: smooth;
}

/* Mobile: instant scrolling for better responsiveness */
@media (max-width: 768px) {
    html {
        scroll-behavior: auto !important;
        -webkit-overflow-scrolling: touch;
    }
    
    body {
        /* Ensure fast, responsive scrolling on mobile */
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-y: auto;
        /* Remove any potential scroll delays */
        touch-action: pan-y;
    }
}

/* Custom Scrollbar Styling - Premium Look */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #000000;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    border-radius: 10px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #60a5fa #000000;
}

/* Mobile scrollbar - thinner for better UX */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 6px;
    }
    
    * {
        scrollbar-width: thin;
    }
}

/* Tablet optimizations */
@media (min-width: 768px) and (max-width: 1024px) {
    ::-webkit-scrollbar {
        width: 8px;
    }
}

/* Safari-specific optimizations */
@supports (-webkit-appearance: none) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* High DPI/Retina display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #f8fafc;
    background: #000000;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    /* iOS Safari momentum scrolling */
    -webkit-overflow-scrolling: touch;
    /* Prevent horizontal scroll on mobile */
    overscroll-behavior-x: none;
}

/* Mobile scroll optimizations */
@media (max-width: 768px) {
    body {
        /* Fast, responsive scrolling */
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-y: auto;
        /* Optimize touch scrolling */
        touch-action: pan-y;
        /* Remove any scroll delays */
        scroll-behavior: auto !important;
    }
    
    /* Ensure all containers allow fast scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Optimize scroll performance */
    html, body {
        /* Remove momentum scrolling delays */
        -webkit-overflow-scrolling: touch;
        /* Fast scroll */
        scroll-behavior: auto !important;
    }
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

/* Particle Canvas Styles */
#particle-canvas {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #000000;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: none;
    border-bottom: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #f8fafc;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #60a5fa;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    transition: width 0.3s ease;
}

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


.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #f8fafc;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Neural Network Background */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.15), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.1), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.1), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.1), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255,255,255,0.1), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: neuralFloat 15s linear infinite;
    z-index: 0;
    opacity: 1;
}

@keyframes neuralFloat {
    0% {
        transform: translateX(0px) translateY(0px);
    }
    100% {
        transform: translateX(-200px) translateY(-100px);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
    animation: fadeInUp 1s ease;
}

/* Typing cursor effect */
.hero-title::after {
    content: '|';
    color: #60a5fa;
    animation: blink 1s infinite;
    margin-left: 2px;
}

.hero-title.typing-complete::after {
    display: none;
}

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

.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.7;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-resume {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-resume:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669, #047857);
}

.hero-social {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.8s both;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Floating Elements */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    font-size: 3rem;
    animation: float 6s ease-in-out infinite;
    opacity: 0.8;
}

.floating-element:nth-child(1) {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 1s;
}

.floating-element:nth-child(3) {
    top: 30%;
    left: 70%;
    animation-delay: 2s;
}

.floating-element:nth-child(4) {
    top: 80%;
    left: 30%;
    animation-delay: 3s;
}

.floating-element:nth-child(5) {
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}


/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

/* Smooth fade-in for sections on scroll */
section:not(#home) {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

section:not(#home).visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile: Make projects section visible immediately */
@media (max-width: 768px) {
    section#projects {
        opacity: 1 !important;
        transform: translateY(0) !important;
        visibility: visible !important;
        display: block !important;
    }
    
    section#projects .section-title {
        opacity: 1 !important;
        transform: translateY(0) !important;
        visibility: visible !important;
    }
    
    section#projects .projects-grid {
        visibility: visible !important;
        display: grid !important;
    }
}

/* Resume Highlight Section */
.resume-highlight {
    background: transparent;
    padding: 80px 0;
}

.resume-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.resume-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.resume-description {
    color: #cbd5e1;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.resume-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #e2e8f0;
    font-weight: 500;
}

.highlight-item i {
    color: #10b981;
    font-size: 1.2rem;
    width: 20px;
}

.resume-preview {
    display: flex;
    justify-content: center;
}

.resume-card {
    background: linear-gradient(135deg, #1f2937, #374151);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    max-width: 300px;
}

.resume-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
}

.resume-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 1.5rem;
}

.resume-card h3 {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.resume-card p {
    color: #94a3b8;
    margin-bottom: 2rem;
}

.resume-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.resume-actions .btn {
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #ffffff;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Tech Stack Section */
.tech-stack {
    background: transparent;
    position: relative;
}

.tech-categories {
    display: grid;
    gap: 3rem;
}

.tech-category {
    text-align: center;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #ffffff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    background: linear-gradient(135deg, #111111, #1a1a1a);
    padding: 2rem 1rem;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    will-change: transform, opacity; /* Performance optimization */
}

.tech-item.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Reduce animation complexity on mobile for better performance */
@media (max-width: 768px) {
    .tech-item {
        transform: translateY(20px) scale(0.98);
        transition: all 0.3s ease;
    }
    
    .tech-item.animate-in {
        transform: translateY(0) scale(1);
    }
}

.tech-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
}

.tech-item i {
    font-size: 2.5rem;
    color: #60a5fa;
    transition: all 0.3s ease;
}

.tech-item:hover i {
    color: white;
}

.tech-item span {
    font-weight: 600;
    font-size: 1rem;
}

/* Projects Section */
.projects {
    background: transparent;
    position: relative;
}

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

.project-card {
    background: linear-gradient(135deg, #111111, #1a1a1a);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: flex;               /* make cards equal-height flex containers */
    flex-direction: column;
    opacity: 0;
    transform: translateY(50px);
    will-change: transform, opacity; /* Performance optimization */
}

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

/* Reduce animation complexity on mobile for better performance */
@media (max-width: 768px) {
    .project-card {
        transform: translateY(30px);
        transition: all 0.3s ease;
        /* Ensure cards are visible even if animation doesn't trigger */
        min-height: 200px;
    }
    
    .project-card.animate-in {
        transform: translateY(0);
        opacity: 1 !important;
    }
    
    /* IMMEDIATE fallback: ensure cards are visible on mobile right away */
    .projects-grid .project-card {
        /* Show cards immediately on mobile - no delay */
        animation: fadeInMobile 0.5s ease 0.1s forwards;
        animation-fill-mode: both;
    }
    
    /* Force visibility immediately if cards haven't been animated in */
    .projects-grid .project-card:not(.animate-in) {
        animation: fadeInMobile 0.5s ease 0.1s forwards;
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
    
    /* Additional safety: make sure cards are visible after a very short delay */
    .projects-grid .project-card {
        opacity: 1 !important;
    }
}

@keyframes fadeInMobile {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
}

.project-date {
    font-size: 0.9rem;
    color: #cbd5e1;
    background: #1a1a1a;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.project-description {
    color: #e2e8f0;
    margin-bottom: 1.1rem;
    line-height: 1.6;
    flex: 1;                     /* allow description to absorb extra space to avoid large gaps */
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.6rem;
    margin-top: 0.4rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;            /* pin links to bottom to align cards */
}

.project-link {
    text-decoration: none;
    color: #60a5fa;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: #a855f7;
    transform: translateX(5px);
}

/* Experience Section */
.experience {
    background: transparent;
    position: relative;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: transform, opacity; /* Performance optimization */
}

.timeline-item:nth-child(even) {
    transform: translateX(30px);
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile timeline animations */
@media (max-width: 768px) {
    .timeline-item {
        transform: translateY(20px);
    }
    
    .timeline-item:nth-child(even) {
        transform: translateY(20px);
    }
    
    .timeline-item.animate-in {
        transform: translateY(0);
    }
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    border-radius: 50%;
    top: 0;
    box-shadow: 0 0 0 4px #000000, 0 0 20px rgba(96, 165, 250, 0.5);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -10px;
}

.timeline-content {
    background: linear-gradient(135deg, #111111, #1a1a1a);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: #60a5fa;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: #cbd5e1;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
}

.timeline-description {
    color: #e2e8f0;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: transparent;
    color: white;
    position: relative;
}

.contact .section-title {
    color: white;
}

.contact .section-title::after {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.contact-item a:hover {
    opacity: 1;
}

.contact-form {
    background: rgba(17, 17, 17, 0.8);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(0, 0, 0, 0.9);
    border-color: #60a5fa;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(96, 165, 250, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

/* Footer */
.footer {
    background: transparent;
    color: white;
    padding: 2rem 0;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social .social-link {
    background: rgba(255, 255, 255, 0.1);
}

/* Accessibility: Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    section:not(#home),
    .tech-item,
    .project-card,
    .timeline-item {
        opacity: 1 !important;
        transform: none !important;
    }
}

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


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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #000000;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: none;
        padding: 2rem 0;
        border-bottom: none;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

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

    /* Hide floating elements on mobile */
    .hero-visual {
        display: none;
    }

    /* Center social icons on mobile */
    .hero-social {
        justify-content: center;
    }

    /* Simplify neural network background on mobile */
    .hero::before {
        opacity: 0.3;
        background-size: 150px 75px;
        animation: none;
    }

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

    .resume-highlights {
        grid-template-columns: 1fr;
        gap: 1rem;
        justify-items: center;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }

    .timeline-marker {
        left: 10px !important;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

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