:root {
    --primary: #64ffda;
    --secondary: #0a192f;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --gradient: linear-gradient(90deg, rgba(100, 255, 218, 0.1), rgba(100, 255, 218, 0.05));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

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

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

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    width: clamp(100px, 2vw, 2px);
    height: auto;
    display: block;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.tagline {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--primary);
    border-radius: 4px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 40px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero h2 {
    font-size: 32px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-links {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border: 1px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.profile-pic-wrapper {
    position: relative;
}

.profile-pic {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25),
                0 4px 15px rgba(100, 255, 218, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-pic:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3),
                0 6px 20px rgba(100, 255, 218, 0.3);
}

/* About Section */
.about {
    padding: 5px 0;
    position: relative;
}

.section-title {
    color: var(--text-primary);
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(100, 255, 218, 0.03);
    padding: 40px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

/* Skills Section */
.skills {
    padding: 100px 0;
    position: relative;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-card {
    background: rgba(100, 255, 218, 0.03);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 16px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

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

.skill-card h3 {
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.skill-bar-wrapper {
    height: 8px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 4px;
    margin-bottom: 20px;
    position: relative;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, rgba(100, 255, 218, 0.5) 100%);
    border-radius: 4px;
    position: relative;
}

.skill-percentage {
    position: absolute;
    right: 0;
    top: -25px;
    font-size: 12px;
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero h2 {
        font-size: 24px;
    }

    .hero-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .profile-pic {
        margin-top: 40px;
    }

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

.education {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.education-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.education-card {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    padding: 2rem;
    gap: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.logo-container {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    background: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.university-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.education-content {
    flex: 1;
}

.degree-type {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: var(--primary);
    color: var(--bg-primary);
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

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

.university-info {
    margin-bottom: 1.5rem;
}

.university-name {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.location {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.achievements {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.achievement-item i {
    color: var(--primary);
}

@media (max-width: 768px) {
    .education-card {
        flex-direction: column;
    }

    .logo-container {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }
}

.volunteer {
    padding: 80px 20px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.volunteer .container {
    max-width: 1000px;
    margin: 0 auto;
}

.volunteer .section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
    font-size: 2rem;
}

.volunteer-card {
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 20px;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.volunteer-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.role-header {
    margin-bottom: 20px;
}

.role-header h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.organization-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.organization {
    font-weight: 500;
}

.duration {
    color: var(--primary);
}

.responsibilities {
    list-style: none;
    padding-left: 25px;
}

.responsibilities li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    position: relative;
    line-height: 1.6;
}

.responsibilities li:before {
    content: "→";
    color: var(--primary);
    position: absolute;
    left: -25px;
    top: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .volunteer {
        padding: 60px 15px;
    }

    .volunteer-card {
        padding: 20px;
    }

    .organization-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}

.languages {
    padding: 0px 20px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.languages .container {
    max-width: 1000px;
    margin: 0 auto;
}

.languages .section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
    font-size: 2rem;
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    padding: 20px 0;
}

.language-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.language-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

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

.language-header i {
    color: var(--primary);
    font-size: 1.5rem;
}

.language-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin: 0;
}

.language-level {
    color: var(--text-secondary);
}

.level-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--primary);
    border-radius: 15px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.level-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.achievement {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .languages {
        padding: 60px 15px;
    }

    .languages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .language-card {
        padding: 20px;
    }
}

.publications {
    padding: 0px 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.publications .container {
    max-width: 1000px;
    margin: 0 auto;
}

.publications .section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
    font-size: 2rem;
}

.publication-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.publication-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.pub-title {
    color: var(--text-primary);
    font-size: 1.4rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.pub-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.pub-details > div, .pub-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pub-details i {
    color: var(--primary);
    font-size: 1.1rem;
}

.pub-link {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 20px;
}

.pub-link:hover {
    background: rgba(100, 255, 218, 0.2);
    transform: translateX(5px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .publications {
        padding: 60px 15px;
    }

    .publication-card {
        padding: 20px;
    }

    .pub-title {
        font-size: 1.2rem;
    }

    .pub-details {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}



.centered-div {
    width: 200px;
    height: 100px;
    display: flex;
    margin: 0 auto;
    justify-content: center;
    align-items: stretch;
}

/* Footer Styles */
.footer {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--secondary);
    color: var(--text-primary);
    padding: 1rem;
    width: 100%;
    font-family: Arial, sans-serif;
    font-size: clamp(12px, 2vw, 16px);
}

.footer p {
    margin: 0;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--secondary);
        display: none;
        padding: 20px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
        text-align: center;
    }
}


.experience {
    padding: 90px 20px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.experience .container {
    max-width: 1000px;
    margin: 0 auto;
}

.experience .section-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.experience-card {
    background: rgba(255, 255, 255, 0.04);
    border-left: 4px solid var(--primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    position: relative;
}

.experience-card:hover {
    transform: translateY(-4px);
    border-left-color: var(--accent);
    box-shadow: 0 12px 32px rgba(0, 255, 255, 0.12);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.job-title {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 5px;
    font-weight: 600;
}

.organization-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.experience-icon {
    font-size: 2rem;
    color: var(--primary);
    opacity: 0.9;
}

.job-summary {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.responsibilities {
    list-style: none;
    padding-left: 25px;
}

.responsibilities li {
    position: relative;
    margin-bottom: 12px;
    line-height: 1.7;
    color: var(--text-secondary);
    font-size: 0.97rem;
}

.responsibilities li::before {
    content: "\f0da";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--primary);
    position: absolute;
    left: -25px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .experience-card {
        padding: 20px;
    }

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .organization-info {
        flex-direction: column;
        gap: 5px;
    }

    .experience-icon {
        margin-top: 10px;
        font-size: 1.8rem;
    }
}

.skills-used {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.skill {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(100, 255, 218, 0.1);
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.skill i {
    margin-right: 8px;
    color: var(--primary);
    font-size: 1rem;
}

.skill:hover {
    background: rgba(100, 255, 218, 0.07);
    border-color: var(--primary);
    color: var(--text-primary);
}