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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.nav-logo h3 {
    color: #4F46E5;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4F46E5;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4F46E5;
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    z-index: 3;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-image {
    text-align: center;
    animation: floatIn 1s ease-out;
    position: relative;
    z-index: 15;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 8px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(255, 255, 255, 0.2);
    object-fit: cover;
    position: relative;
    z-index: 15;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: pulse 3s ease-in-out infinite;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 0 6px rgba(255, 255, 255, 0.3);
}

.hero-text {
    color: white;
    animation: slideInRight 1s ease-out;
    position: relative;
    z-index: 15;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: #4F46E5;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #4F46E5;
    transform: translateY(-2px);
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: white;
    color: #4F46E5;
    transform: translateY(-3px);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-alt {
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #4F46E5;
    border-radius: 2px;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.personal-skills {
    margin-top: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.personal-skills h3 {
    color: #4F46E5;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.personal-skills ul {
    list-style: none;
}

.personal-skills li {
    padding: 0.5rem 0;
    color: #555;
    display: flex;
    align-items: center;
}

.personal-skills li i {
    color: #4F46E5;
    margin-right: 0.5rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #4F46E5;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 100%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 50%;
    padding-right: 40px;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    padding-left: 40px;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #4F46E5;
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid white;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-header h3 {
    color: #4F46E5;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-weight: 600;
    color: #333;
    display: block;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: #666;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    text-align: left;
}

.timeline-item:nth-child(odd) .timeline-content ul {
    text-align: right;
}

.timeline-content li {
    padding: 0.3rem 0;
    color: #555;
}

.timeline-item:nth-child(even) .timeline-content li::before {
    content: '▸';
    color: #4F46E5;
    margin-right: 0.5rem;
}

.timeline-item:nth-child(odd) .timeline-content li::after {
    content: '▸';
    color: #4F46E5;
    margin-left: 0.5rem;
}

/* Education Grid */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.education-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.education-card:hover {
    transform: translateY(-5px);
}

.education-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.education-card h3 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.education-school {
    color: #4F46E5;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.education-achievement {
    color: #4F46E5;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    color: #4F46E5;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: #f0f4ff;
    color: #4F46E5;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: #4F46E5;
    color: white;
    transform: translateY(-2px);
}

/* Certifications Grid */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.cert-card h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.cert-card p {
    color: #666;
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: #4F46E5;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-item a,
.contact-item p {
    color: #666;
    text-decoration: none;
}

.contact-item a:hover {
    color: #4F46E5;
}

.referees h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.referee-grid {
    display: grid;
    gap: 1rem;
}

.referee-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.referee-card h4 {
    color: #4F46E5;
    margin-bottom: 0.5rem;
}

.referee-card p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 8px rgba(255, 255, 255, 0.1);
    }
    100% {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(255, 255, 255, 0.2);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        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;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

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

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-social {
        justify-content: center;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        padding-left: 20px;
        padding-right: 20px;
        text-align: left;
    }

    .timeline-dot {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content ul,
    .timeline-item:nth-child(even) .timeline-content ul {
        text-align: left;
    }

    .timeline-item:nth-child(odd) .timeline-content li::after {
        display: none;
    }

    .timeline-item:nth-child(even) .timeline-content li::before {
        content: '▸';
        color: #4F46E5;
        margin-right: 0.5rem;
    }

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

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

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

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

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

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

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

    .section {
        padding: 60px 0;
    }

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