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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --orange-color: #f97316;
    --pink-color: #ec4899;
    --purple-color: #a855f7;
    --blue-color: #3b82f6;
    --green-color: #22c55e;
    --yellow-color: #eab308;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-4: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-5: linear-gradient(135deg, #10b981 0%, #22c55e 100%);
    --gradient-rainbow: linear-gradient(135deg, #6366f1 0%, #8b5cf6 25%, #ec4899 50%, #f97316 75%, #eab308 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.5);
    --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.5);
    --shadow-glow-pink: 0 0 20px rgba(236, 72, 153, 0.5);
    --shadow-glow-green: 0 0 20px rgba(34, 197, 94, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 50% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Floating Shapes Animation */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-1);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.shape-2 {
    width: 250px;
    height: 250px;
    background: var(--gradient-2);
    top: 60%;
    right: 15%;
    animation-delay: 3s;
    animation-duration: 20s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--gradient-3);
    bottom: 20%;
    left: 20%;
    animation-delay: 6s;
    animation-duration: 22s;
}

.shape-4 {
    width: 180px;
    height: 180px;
    background: var(--gradient-4);
    top: 30%;
    right: 25%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.shape-5 {
    width: 220px;
    height: 220px;
    background: var(--gradient-5);
    bottom: 30%;
    right: 10%;
    animation-delay: 4s;
    animation-duration: 24s;
}

.shape-6 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #eab308 0%, #f59e0b 100%);
    top: 50%;
    left: 50%;
    animation-delay: 5s;
    animation-duration: 19s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(50px, -50px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) rotate(180deg) scale(0.9);
    }
    75% {
        transform: translate(40px, 60px) rotate(270deg) scale(1.05);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
    padding: 0 20px;
}

/* Profile Photo */
.profile-photo-container {
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid transparent;
    background: var(--gradient-rainbow);
    padding: 5px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.5);
    animation: photoFloat 3s ease-in-out infinite;
}

@keyframes photoFloat {
    0%, 100% {
        transform: translateY(0px);
        box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.5);
    }
    50% {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg), 0 0 50px rgba(236, 72, 153, 0.6);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out, rainbowShift 8s ease infinite;
    background-size: 200% 200%;
}

@keyframes rainbowShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-purple);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--gradient-2);
    transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-pink);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-rainbow);
    border-radius: 2px;
    animation: underlineGrow 2s ease-in-out infinite;
}

@keyframes underlineGrow {
    0%, 100% { width: 80px; }
    50% { width: 120px; }
}

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

.about-content {
    display: grid;
    gap: 3rem;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.highlight-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        transparent,
        var(--primary-color),
        transparent 30%
    );
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.highlight-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--card-bg);
    border-radius: 11px;
    z-index: 1;
}

.highlight-card > * {
    position: relative;
    z-index: 2;
}

.highlight-card:hover::before {
    opacity: 1;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

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

.highlight-card i {
    font-size: 2.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.highlight-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.highlight-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

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

/* Companies Logos */
.companies-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.company-logo-item {
    background: var(--card-bg);
    padding: 2rem 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
}

.company-logo-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-glow-purple);
    border-color: var(--primary-color);
}

.company-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: filter 0.3s;
}

.company-logo-item:hover .company-logo {
    filter: brightness(1) invert(0);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-1);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 11px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--darker-bg);
    box-shadow: 0 0 0 4px var(--primary-color), 0 0 20px var(--primary-color);
    animation: markerPulse 2s ease-in-out infinite;
}

@keyframes markerPulse {
    0%, 100% { 
        box-shadow: 0 0 0 4px var(--primary-color), 0 0 20px var(--primary-color);
    }
    50% { 
        box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.5), 0 0 30px var(--primary-color);
    }
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

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

/* Job Header with Logo */
.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.job-info {
    flex: 1;
}

.job-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
    padding: 0.5rem;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.timeline-content:hover .job-logo {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.4);
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-1);
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
    color: var(--text-primary);
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.timeline-content li {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

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

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

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

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s;
}

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

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

.project-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.project-card:nth-child(1) .project-icon { background: var(--gradient-1); }
.project-card:nth-child(2) .project-icon { background: var(--gradient-2); }
.project-card:nth-child(3) .project-icon { background: var(--gradient-3); }
.project-card:nth-child(4) .project-icon { background: var(--gradient-4); }
.project-card:nth-child(5) .project-icon { background: var(--gradient-5); }
.project-card:nth-child(6) .project-icon { background: var(--gradient-1); }
.project-card:nth-child(7) .project-icon { background: var(--gradient-2); }
.project-card:nth-child(8) .project-icon { background: var(--gradient-3); }

.project-card:hover .project-icon {
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-10px); }
    50% { transform: translateY(-5px); }
    75% { transform: translateY(-7px); }
}

.project-icon i {
    font-size: 1.8rem;
    color: white;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    animation: tagGlow 2s ease-in-out infinite;
}

@keyframes tagGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.6); }
}

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

.project-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-features li {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tech-tag {
    padding: 0.375rem 0.875rem;
    background: rgba(139, 92, 246, 0.2);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.tech-tag:hover {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--secondary-color);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

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

/* Education Section with University Logo */
.education-section {
    margin-bottom: 3rem;
}

.university-logo-container {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    transition: all 0.3s;
}

.university-logo-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-green);
    border-color: var(--success-color);
}

.university-logo {
    height: 80px;
    width: 80px;
    object-fit: contain;
    border-radius: 12px;
    padding: 0.5rem;
    background: white;
}

.education-info h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-info p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.education-grade {
    color: var(--success-color);
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
}

.skill-category::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 2px;
    background: var(--gradient-rainbow);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.skill-category:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow-green);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h3 i {
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: iconRotate 3s ease-in-out infinite;
}

@keyframes iconRotate {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(10deg); }
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: all 0.3s;
    cursor: pointer;
}

.skill-item:hover {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

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

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

.contact-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.contact-card:hover::before {
    width: 400px;
    height: 400px;
}

.contact-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
    border-color: var(--primary-color);
}

.contact-card i {
    font-size: 2.5rem;
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: iconWiggle 1s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

@keyframes iconWiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.contact-card span {
    font-size: 1.1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

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

.footer p {
    color: var(--text-muted);
    margin: 0.5rem 0;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

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

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

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

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-marker {
        left: 6px;
        width: 10px;
        height: 10px;
    }

    .job-header {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
    }

    .job-logo {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }

    .profile-photo {
        width: 140px;
        height: 140px;
    }

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

    .companies-logos {
        gap: 2rem;
    }

    .company-logo-item {
        padding: 1.5rem 2rem;
        min-width: 150px;
    }

    .company-logo {
        height: 50px;
    }

    .university-logo-container {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .university-logo {
        height: 70px;
        width: 70px;
    }
}

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

    .stat-number {
        font-size: 2rem;
    }

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

    .profile-photo {
        width: 120px;
        height: 120px;
    }

    .job-logo {
        width: 50px;
        height: 50px;
    }
}

/* Particle Effect for Sections */
.about::before,
.projects::before,
.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about,
.projects,
.skills {
    position: relative;
}

/* Colorful Stat Numbers */
.stat-item:nth-child(1) .stat-number {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item:nth-child(2) .stat-number {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item:nth-child(3) .stat-number {
    background: var(--gradient-5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated Timeline Line */
.timeline::before {
    background: var(--gradient-rainbow);
    background-size: 100% 200%;
    animation: timelineFlow 3s ease-in-out infinite;
}

@keyframes timelineFlow {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 0% 100%; }
}

/* Colorful Timeline Dates */
.timeline-item:nth-child(1) .timeline-date { background: var(--gradient-1); }
.timeline-item:nth-child(2) .timeline-date { background: var(--gradient-2); }
.timeline-item:nth-child(3) .timeline-date { background: var(--gradient-3); }
.timeline-item:nth-child(4) .timeline-date { background: var(--gradient-4); }
.timeline-item:nth-child(5) .timeline-date { background: var(--gradient-5); }