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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #0f172a;
    background: linear-gradient(135deg, #f8fafc 0%, #dbeafe 100%);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Enhanced Particle Background (ReactBits Style) */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.profile-particles-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: 50%;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.8) 0%, rgba(37, 99, 235, 0.3) 50%, transparent 100%);
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
    transition: all 0.3s ease;
    will-change: transform;
}

.particle:nth-child(odd) {
    background: radial-gradient(circle, rgba(5, 150, 105, 0.8) 0%, rgba(5, 150, 105, 0.3) 50%, transparent 100%);
    box-shadow: 0 0 10px rgba(5, 150, 105, 0.5);
}

.particle:nth-child(3n) {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.8) 0%, rgba(245, 158, 11, 0.3) 50%, transparent 100%);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.particle:nth-child(4n) {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.8) 0%, rgba(139, 92, 246, 0.3) 50%, transparent 100%);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.particle:nth-child(5n) {
    background: radial-gradient(circle, rgba(236, 72, 153, 0.8) 0%, rgba(236, 72, 153, 0.3) 50%, transparent 100%);
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
}

/* Particle glow effect */
.particle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: inherit;
    border-radius: 50%;
    filter: blur(4px);
    opacity: 0.3;
    z-index: -1;
}

/* Mouse interaction enhancement */
.particle:hover {
    transform: scale(1.5);
    box-shadow: 0 0 20px currentColor;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(30, 64, 175, 0.2);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(30, 64, 175, 0.1);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    position: relative;
    overflow: hidden;
    text-shadow: 0 0 10px rgba(30, 41, 59, 0.3);
}

.nav-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-logo:hover::before {
    left: 100%;
}

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

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    border-left-color: #2563eb;
    transform: translateX(5px);
}

.nav-link {
    text-decoration: none;
    color: #1e293b;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f59e0b, #10b981);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #1e293b;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #1e40af 50%, #0f172a 75%, #059669 100%);
    color: white;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    opacity: 0.8;
}



.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-profile {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 1s ease 0.1s both;
}

.profile-image-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.profile-image-container:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%; /* Move image down - adjust this value as needed */
    border-radius: 50%;
    transition: all 0.3s ease;
    display: block;
    position: relative;
    z-index: 1;
}

/* Fallback for when image doesn't load */
.profile-image-container::after {
    content: '👤';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.5);
    z-index: 0;
    display: none;
}

.profile-image-container:not(:has(img[src*="profile"]))::after {
    display: block;
}

.profile-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.profile-image-container:hover .profile-image-overlay {
    opacity: 1;
}

.profile-image-border {
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e40af 0%, #10b981 50%, #f59e0b 100%);
    z-index: -1;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    text-align: left;
    animation: fadeInUp 1s ease 0.3s both;
}

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

/* Split Text Animation for Hero Title */
.hero-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px);
    animation: splitTextIn 0.8s ease forwards;
}

.hero-title .char:nth-child(1) { animation-delay: 0.1s; }
.hero-title .char:nth-child(2) { animation-delay: 0.2s; }
.hero-title .char:nth-child(3) { animation-delay: 0.3s; }
.hero-title .char:nth-child(4) { animation-delay: 0.4s; }
.hero-title .char:nth-child(5) { animation-delay: 0.5s; }
.hero-title .char:nth-child(6) { animation-delay: 0.6s; }
.hero-title .char:nth-child(7) { animation-delay: 0.7s; }
.hero-title .char:nth-child(8) { animation-delay: 0.8s; }
.hero-title .char:nth-child(9) { animation-delay: 0.9s; }
.hero-title .char:nth-child(10) { animation-delay: 1.0s; }
.hero-title .char:nth-child(11) { animation-delay: 1.1s; }
.hero-title .char:nth-child(12) { animation-delay: 1.2s; }
.hero-title .char:nth-child(13) { animation-delay: 1.3s; }
.hero-title .char:nth-child(14) { animation-delay: 1.4s; }
.hero-title .char:nth-child(15) { animation-delay: 1.5s; }
.hero-title .char:nth-child(16) { animation-delay: 1.6s; }
.hero-title .char:nth-child(17) { animation-delay: 1.7s; }
.hero-title .char:nth-child(18) { animation-delay: 1.8s; }
.hero-title .char:nth-child(19) { animation-delay: 1.9s; }
.hero-title .char:nth-child(20) { animation-delay: 2.0s; }

@keyframes splitTextIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
    position: relative;
}

/* Typewriter effect for subtitle */
.hero-subtitle.typewriter {
    overflow: hidden;
    border-right: 2px solid white;
    white-space: nowrap;
    animation: typewriter 3s steps(40) 1s forwards, blink-caret 0.75s step-end infinite;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: white; }
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.8;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.contact-link {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
}

.contact-link:hover::before {
    left: 0;
}

.contact-link:hover {
    transform: translateY(-2px);
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

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

.btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #10b981 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #059669 100%);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(30, 64, 175, 0.4);
    border-color: rgba(245, 158, 11, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.2);
    border-color: #f59e0b;
}

/* Sections */
section {
    padding: 80px 0;
    position: relative;
}

/* Resume Section */
.resume {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.resume::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.subsection-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    background: transparent;
    padding: 3rem 0;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
    position: relative;
}

/* Highlight effect for text */
.about-text p::selection {
    background: #2563eb;
    color: white;
}

.education-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.education-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.education-item h4 {
    font-size: 1.2rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.gpa {
    font-weight: 600;
    color: #059669;
    margin-bottom: 1rem;
}

.education-item ul {
    list-style: none;
}

.education-item li {
    padding: 0.25rem 0;
    color: #4b5563;
    transition: all 0.3s ease;
}

.education-item li:hover {
    color: #2563eb;
    transform: translateX(5px);
}

.education-item li:before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    margin-right: 0.5rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 0;
    background: linear-gradient(to bottom, #2563eb, #10b981, #f59e0b);
    animation: timelineGrow 2s ease-out forwards;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
}

@keyframes timelineGrow {
    from {
        height: 0;
        opacity: 0;
    }
    to {
        height: 100%;
        opacity: 1;
    }
}

.experience-item {
    position: relative;
    margin-bottom: 3rem;
    width: 45%;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.experience-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.experience-item::after {
    content: '';
    position: absolute;
    top: 20px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2563eb, transparent);
    opacity: 0;
    animation: lineExtend 0.8s ease-out forwards;
    animation-delay: calc(var(--item-index, 0) * 0.3s + 1.5s);
}

.experience-item:nth-child(odd)::after {
    right: -40px;
}

.experience-item:nth-child(even)::after {
    left: -40px;
}

@keyframes lineExtend {
    0% {
        width: 0;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        width: 40px;
        opacity: 1;
    }
}

.experience-item:nth-child(odd) {
    left: 0;
}

.experience-item:nth-child(even) {
    left: 55%;
}

.experience-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, #2563eb 0%, #1e40af 100%);
    border-radius: 50%;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0);
    animation: dotPop 0.6s ease-out forwards;
    animation-delay: calc(var(--item-index, 0) * 0.3s + 1s);
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.4);
}

.experience-card:hover::before {
    transform: scale(1.3);
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.7);
    background: radial-gradient(circle, #10b981 0%, #059669 100%);
}

@keyframes dotPop {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }
    50% {
        opacity: 1;
        transform: scale(1.2) rotate(180deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(360deg);
    }
}

.experience-item:nth-child(odd) .experience-card::before {
    right: -60px;
}

.experience-item:nth-child(even) .experience-card::before {
    left: -60px;
}

.company {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 0.5rem;
    position: relative;
    text-shadow: 0 0 10px rgba(30, 64, 175, 0.2);
}

.company::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #1e40af, #10b981);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(30, 64, 175, 0.3);
}

.experience-card:hover .company::after {
    width: 100%;
}

.position {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.duration {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.highlights {
    list-style: none;
}

.highlights li {
    padding: 0.25rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
    transition: all 0.3s ease;
}

.highlights li:hover {
    color: #2563eb;
    transform: translateX(5px);
}

.highlights li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #2563eb;
    transition: all 0.3s ease;
}

.highlights li:hover::before {
    transform: translateX(5px);
}

/* Financial Metrics Section */
.metrics {
    background: transparent;
    color: #1e293b;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.metrics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.metric-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.metric-card::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;
}

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

.metric-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}



.metric-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.metric-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #10b981;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.metric-description {
    color: #6b7280;
    font-size: 0.9rem;
}

/* Technical Expertise Section */
.technical-expertise {
    background: transparent;
    color: #1e293b;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.technical-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.tech-expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-expertise-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.tech-expertise-card::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;
}

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

.tech-expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.tech-expertise-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.tech-expertise-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.tech-expertise-description {
    color: #6b7280;
    font-size: 0.9rem;
}



/* Research Section */
.research {
    background: transparent;
    padding: 3rem 0;
    position: relative;
}

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

.research-project {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.research-project::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.research-project:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.research-project h3 {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.research-duration {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.research-description {
    color: #4b5563;
    line-height: 1.7;
}

.publications h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.publication-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.publication-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.publication-item:hover::before {
    left: 100%;
}

.publication-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.publication-title {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.publication-conference {
    color: #6b7280;
    font-size: 0.9rem;
}

/* Skills Section */
.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.skill-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(219, 234, 254, 0.8) 100%);
    backdrop-filter: blur(10px);
    padding: 1.25rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    color: #1e40af;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.1);
    border: 1px solid rgba(30, 64, 175, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.skill-item:hover::before {
    width: 200px;
    height: 200px;
}

.skill-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.certification-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-left: 4px solid #2563eb;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.certification-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.certification-item:hover::before {
    left: 100%;
}

.certification-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

/* Contact Section */
.contact {
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #4b5563;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item i {
    color: #2563eb;
    width: 20px;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.2);
}

.contact-item a {
    color: #4b5563;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2563eb;
}

.contact-form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(30, 64, 175, 0.1);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    transition: all 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1f2937;
    transition: all 0.3s ease;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: transparent;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: #2563eb;
}

/* Portfolio Section */
.portfolio {
    background: transparent;
    color: #1e293b;
    padding: 8rem 0 3rem 0;
    position: relative;
}

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

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

.portfolio-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    position: relative;
    overflow: hidden;
}

.portfolio-item::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;
}

.portfolio-item:hover::before {
    left: 100%;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
}

.portfolio-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.portfolio-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 1rem;
}

.portfolio-info p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

/* Projects Section */
.projects {
    background: transparent;
    color: #1e293b;
    padding: 8rem 0 3rem 0;
    position: relative;
}

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

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

.project-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
    position: relative;
    overflow: hidden;
}

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

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.project-meta h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e40af;
    margin: 0;
}

.project-date {
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-item p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: #1e40af;
    transform: translateX(3px);
}

/* Options Calculator Styles */
.options-calculator {
    background: transparent;
    color: #1e293b;
    padding: 8rem 0 3rem 0;
    position: relative;
}

.stock-selection {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.stock-selection .input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stock-selection label {
    font-weight: 600;
    color: #1e40af;
    min-width: 120px;
}

.stock-selection input {
    padding: 0.75rem;
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.stock-selection input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.stock-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(30, 64, 175, 0.1);
}

.current-price .price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e40af;
}

.price-change {
    font-weight: 600;
    color: #10b981;
}

.options-chain-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.chain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chain-filters {
    display: flex;
    gap: 1rem;
}

.chain-filters select {
    padding: 0.5rem;
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.8);
}

.options-chain {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.calls-section h4,
.puts-section h4 {
    color: #1e40af;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.options-table {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.5);
}

.option-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    padding: 0.75rem;
    border-bottom: 1px solid rgba(30, 64, 175, 0.1);
    cursor: pointer;
    transition: background 0.3s ease;
}

.option-row:hover {
    background: rgba(37, 99, 235, 0.1);
}

.option-row.selected {
    background: rgba(37, 99, 235, 0.2);
    border-left: 3px solid #2563eb;
}

.option-header {
    font-weight: 600;
    color: #1e40af;
    background: rgba(37, 99, 235, 0.1);
}

.calculator-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.calculator-inputs h3 {
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    color: #1e40af;
    font-size: 0.9rem;
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.calculator-results {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(30, 64, 175, 0.1);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.result-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.15);
}

.result-card h4 {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e40af;
}

.chart-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(30, 64, 175, 0.1);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.chart-section h3 {
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.chart-container {
    height: 400px;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    padding: 1rem;
}

.chart-controls {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 250px;
}

.control-group label {
    font-weight: 600;
    color: #1e40af;
    min-width: 120px;
}

.control-group input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: rgba(30, 64, 175, 0.2);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.control-group span {
    font-weight: 600;
    color: #1e40af;
    min-width: 60px;
}

/* Responsive Design for Options Calculator */
@media (max-width: 768px) {
    .options-chain {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .chain-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .chain-filters {
        width: 100%;
        justify-content: space-between;
    }
    
    .chart-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .control-group {
        min-width: auto;
    }
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

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



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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(248, 250, 252, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

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

    .hero-profile {
        order: -1;
    }

    .profile-image-container {
        width: 250px;
        height: 250px;
    }

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

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-contact {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

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

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

    .experience-item {
        width: 100%;
        left: 0 !important;
        padding-left: 50px;
    }

    .experience-item:nth-child(odd) .experience-card::before,
    .experience-item:nth-child(even) .experience-card::before {
        left: -30px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .tech-expertise-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    

}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

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

    .experience-card,
    .research-project,
    .contact-form {
        padding: 1.5rem;
    }
}

/* Contact Alternative Section */
.contact-alternative {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.contact-alternative p {
    margin-bottom: 15px;
    color: #e5e7eb;
    font-size: 14px;
}

.btn-secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
    text-decoration: none;
}