/* Dark Theme Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6d8cff; /* Slightly lighter blue */
    --primary-dark: #4a6cf7;
    --secondary-color: #a4a9af;
    --dark-color: #e4e6e8; /* Light text color */
    --light-color: #121212; /* Dark background */
    --darker-bg: #1a1a1a; /* Slightly lighter than main bg for contrast */
    --even-darker-bg: #0a0a0a; /* Darker than main bg for contrast */
    --card-bg: #222222; /* Card background */
    --success-color: #4caf50;
    --info-color: #29b6f6;
    --warning-color: #ffc107;
    --danger-color: #f44336;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --transition: all 0.3s ease;
    --border-radius: 5px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.section-title::after {
    content: '';
    display: block;
    width: 5rem;
    height: 0.3rem;
    background-color: var(--primary-color);
    margin: 1rem auto 0;
}

section {
    padding: 8rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    border-radius: var(--border-radius);
    font-size: 1.6rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-primary);
}

.primary-btn {
    background-color: var(--primary-color);
    color: #0a0a0a;
}

.primary-btn:hover {
    background-color: var(--primary-dark);
    color: white;
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: #0a0a0a;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(18, 18, 18, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    padding: 1.5rem 0;
    transition: var(--transition);
}

header.sticky {
    padding: 1rem 0;
    background-color: rgba(18, 18, 18, 0.98);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.6);
}

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

.logo h1 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 2.5rem;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    font-size: 1.6rem;
    padding: 0.5rem 1rem;
    font-family: var(--font-primary);
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 2.5rem;
    height: 0.3rem;
    background-color: var(--dark-color);
    margin: 0.5rem 0;
    border-radius: 1rem;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    padding: 15rem 0 10rem;
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    background-color: rgba(109, 140, 255, 0.1);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -15%;
    left: -10%;
    width: 40rem;
    height: 40rem;
    border-radius: 50%;
    background-color: rgba(109, 140, 255, 0.05);
    z-index: 0;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 4rem;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.hero-content h1 .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-content h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 0;
    width: 100%;
    height: 0.3rem;
    background-color: var(--primary-color);
    opacity: 0.3;
}

.hero-content h2 {
    font-size: 2.4rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    font-family: var(--font-primary);
}

.hero-content p {
    font-size: 1.8rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-pic-container {
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    overflow: hidden;
    border: 0.5rem solid var(--card-bg);
    box-shadow: var(--box-shadow);
    position: relative;
}

.profile-pic-container::before {
    content: '';
    position: absolute;
    top: -0.8rem;
    left: -0.8rem;
    right: -0.8rem;
    bottom: -0.8rem;
    border-radius: 50%;
    border: 0.2rem dashed var(--primary-color);
    opacity: 0.3;
    animation: rotate 15s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.profile-pic-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-text {
    width: 100%;
    max-width: 80rem;
    text-align: center;
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.7rem;
    line-height: 1.8;
}

.personal-details {
    margin: 3rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.detail {
    margin-bottom: 1.5rem;
    display: flex;
    background-color: var(--darker-bg);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    min-width: 25rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.detail:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.5);
}

.label {
    font-weight: 700;
    color: var(--dark-color);
    width: 12rem;
    display: inline-block;
}

.value {
    color: var(--secondary-color);
    flex: 1;
}

.about-text .btn {
    margin-top: 2rem;
}

/* Skills Section */
.skills {
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -5%;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    background-color: rgba(109, 140, 255, 0.05);
    z-index: 0;
}

.skills-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.skill-category {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.skill-category h3 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
    position: relative;
    padding-bottom: 1rem;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 4rem;
    height: 0.3rem;
    background-color: var(--primary-color);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    font-weight: 500;
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: space-between;
}

.skill-name span:last-child {
    color: var(--primary-color);
}

.skill-bar {
    height: 1rem;
    background-color: #333333;
    border-radius: 0.5rem;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    position: relative;
    animation: skill-animation 1.5s ease;
}

@keyframes skill-animation {
    0% {
        width: 0;
    }
}

.skill-tags, .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag, .project-tag {
    background-color: #333333;
    padding: 0.7rem 1.5rem;
    border-radius: 3rem;
    font-size: 1.4rem;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover, .project-tag:hover {
    background-color: var(--primary-color);
    color: #0a0a0a;
    transform: translateY(-3px);
}

/* Experience Section */
.experience {
    background-color: var(--light-color);
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    height: 100%;
    width: 0.2rem;
    background-color: #333333;
}

.timeline-item {
    position: relative;
    padding-left: 6rem;
    margin-bottom: 4rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 1.2rem;
    top: 0.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    z-index: 1;
    transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--primary-dark);
    transform: scale(1.2);
    box-shadow: 0 0 0 5px rgba(109, 140, 255, 0.2);
}

.timeline-content {
    background-color: var(--darker-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.timeline-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.timeline-content h4 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.timeline-date {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.timeline-description {
    margin-bottom: 1.5rem;
}

.timeline-bullets {
    padding-left: 2rem;
}

.timeline-bullets li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1rem;
}

.timeline-bullets li::before {
    content: '•';
    position: absolute;
    left: -1rem;
    color: var(--primary-color);
}

/* Education Section */
.education {
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.education::after {
    content: '';
    position: absolute;
    bottom: -15%;
    right: -10%;
    width: 40rem;
    height: 40rem;
    border-radius: 50%;
    background-color: rgba(109, 140, 255, 0.05);
    z-index: 0;
}

.education-items {
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.education-item {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.education-item h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.education-item h4 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.education-date {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.education-description {
    margin-bottom: 1.5rem;
}

.education-gpa {
    font-weight: 500;
    color: var(--dark-color);
}

.certifications {
    position: relative;
    z-index: 1;
}

.certifications h3 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
    gap: 2rem;
}

.cert-item {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.cert-item h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.cert-item p {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.cert-date {
    font-size: 1.4rem;
    font-style: italic;
}

/* Projects Section */
.projects {
    background-color: var(--light-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
    gap: 3rem;
}

.project-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background-color: var(--darker-bg);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.project-image {
    height: 20rem;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.project-description {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.project-tags {
    margin-bottom: 1.5rem;
}

.project-links {
    display: flex;
    gap: 1.5rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.project-link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.project-link i {
    font-size: 1.4rem;
}

/* Contact Section */
.contact {
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -5%;
    right: -5%;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    background-color: rgba(109, 140, 255, 0.05);
    z-index: 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.contact-item h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.contact-item p {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-link {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    background-color: var(--card-bg);
    color: var(--primary-color);
    font-size: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(109, 140, 255, 0.3);
}

.contact-form {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid #333333;
    background-color: var(--darker-bg);
    border-radius: var(--border-radius);
    font-size: 1.6rem;
    font-family: var(--font-secondary);
    color: var(--dark-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(109, 140, 255, 0.1);
}

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

/* Footer */
footer {
    background-color: var(--even-darker-bg);
    color: #fff;
    padding: 3rem 0;
}

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

.footer-content p {
    font-size: 1.5rem;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    color: #fff;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    html {
        font-size: 60%;
    }
    
    .hero-content h1 {
        font-size: 4rem;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 58%;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 4rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .profile-pic-container {
        width: 25rem;
        height: 25rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        order: 2;
    }
    
    .contact-form {
        order: 1;
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 55%;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        padding-left: 4rem;
    }
    
    .timeline-dot {
        left: -1rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    nav ul {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    /* Mobile Navigation */
    nav ul {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--card-bg);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
        padding: 2rem 0;
        transition: var(--transition);
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li {
        margin: 1rem 0;
        text-align: center;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 50%;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
}
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 5rem;
    height: 5rem;
    background-color: var(--card-bg);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    cursor: pointer;
    z-index: 99;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.theme-toggle i {
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(30deg);
}