:root {
    --primary-color: #0a66c2;
    --secondary-color: #1e293b;
    --accent-color: #f97316;
    --text-color: #334155;
    --light-bg: #f8fafc;
    --dark-bg: #0f172a;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
}

* {
    margin: 0px 0px -3px 0px;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--text-color);
    background-color: var(--light-bg);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

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

section {
    padding: 80px 0;
}

section:nth-child(even) {
    background-color: var(--card-bg);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 50px;
    text-align: center;
    color: var(--secondary-color);
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 15px auto;
    border-radius: 2px;
}

/* Header and Navigation */
header {
    background-color: var(--dark-bg);
    color: white;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    font-weight: 500;
    position: relative;
}

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

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 30px;
    color: #e2e8f0;
}

.hero-text {
    margin-bottom: 40px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.social-icons a {
    color: white;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-5px);
}

.cta-btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.cta-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    margin-bottom: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.about-text p {
    margin-bottom: 15px;
}

.skills-container {
    flex: 1;
    min-width: 300px;
}

.skill-category {
    margin-bottom: 30px;
}

.skill-category h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 30px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

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

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--light-bg);
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.right::after {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content .date {
    color: var(--text-color);
    font-style: italic;
    margin-bottom: 15px;
    display: block;
}

.timeline-content ul {
    list-style-type: disc;
    padding-left: 20px;
}

.timeline-content li {
    margin-bottom: 5px;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.education-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.education-card h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.education-card .date {
    font-style: italic;
    margin-bottom: 10px;
    display: block;
}

.education-card .cgpa {
    display: inline-block;
    padding: 5px 10px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    font-size: 0.9rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.project-icon {
    height: 200px;
    font-size: 5rem;
    /* background: var(--secondary-color); */
    width: 100%;
    color: rgb(17, 11, 11);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease-in-out;
    
}

.project-card:hover .project-icon {
    transform: rotate(360deg) scale(1.1);
}

.project-img {
    height: 200px;
    width: 100%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.project-tech {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-style: italic;
}

.project-desc {
    margin-bottom: 20px;
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-links a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Certifications Section */
.cert-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.cert-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.cert-icon {
    min-width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cert-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.cert-info p {
    font-size: 0.9rem;
    color: var(--text-color);
}

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

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

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

.contact-text h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 20px 0;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 15px 0;
}

.footer-links a {
    color: white;
}

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

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.8rem;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        padding-top: 30px;
        transition: all 0.3s ease;
    }

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

    .nav-links li {
        margin: 15px 0;
    }

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

    .hero h3 {
        font-size: 1.3rem;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::after {
        left: 22px;
    }

    .right {
        left: 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero h3 {
        font-size: 1.1rem;
    }

    .profile-pic {
        width: 150px;
        height: 150px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

/* Additional Styles */
.highlight {
    color: var(--accent-color);
}

.achievements-list {
    list-style: none;
}

.achievements-list li {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: transform 0.3s ease;
}

.achievements-list li:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.achievement-icon {
    min-width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.achievement-content h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.achievement-content p {
    color: var(--text-color);
}


/* contact sections new css */

#contact {
    text-align: center;
    padding: 60px 20px;
    background-color: #f9f9f9;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Adjusts for 2 or 3 columns dynamically */
    gap: 20px;
    margin-top: 30px;
}

.contact-box {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out;
}

.contact-box:hover {
    transform: translateY(-5px);
}

.contact-box i {
    font-size: 30px;
    color: #007bff;
}

.contact-box h3 {
    font-size: 20px;
    margin: 15px 0;
    color: #333;
}

.contact-box p {
    color: #666;
    font-size: 14px;
}

.contact-box a {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}

.contact-box a:hover {
    text-decoration: underline;
}

.contact-footer {
    margin-top: 40px;
    font-size: 18px;
    font-weight: bold;
    color: #444;
}