:root {
    
    --primary-bg: #202124;
    --secondary-bg: #303134;
    --text-color: #e8eaed;
    --blue: #4285F4;
    --red: #EA4335;
    --yellow: #FBBC05;
    --green: #34A853;
    --card-bg: #303134;
    --border-radius: 15px;
    --transition: all 0.3s ease;
    --shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  background: #3d6ab8;
  width: 0%;
  z-index: 9999;
  transition: width 0.25s ease-out;
}

.navbar {
    position: fixed;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background-color: var(--secondary-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.logo-name {
    display: flex;
    align-items: center;
}

.site-name {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-color);
    letter-spacing: 1px;
}

.nav-list {
    list-style-type: none;
    display: flex;
    margin: 0;
}

.nav-list li {
    margin-left: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 16px;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
}

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

.bar {
    width: 25px;
    height: 3px;
    margin: 2px 0;
    background-color: var(--text-color);
    transition: var(--transition);
}

.intro-section {
    min-height: calc(100vh - 68px);
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.intro-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

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

.intro-text h1 {
    font-size: 48px;
    margin-bottom: 24px;
    font-weight: 500;
}

.text-animation-container {
    position: relative;
    height: 40px; 
    overflow: hidden;
    margin-top: 16px;
}

.intro-text .text {
    font-size: 24px;
    position: absolute;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.intro-photo {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 300px;
}

.intro-photo img {
    width: 280px;
    height: 280px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--blue);
    box-shadow: var(--shadow);
}


.section {
    padding: 80px 0;
}

#education h2,
#projects h2,
#experience h2,
#contact h2 {
  color: #3d6ab8;
}

.section-title {
    font-size: 36px;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 500;
    position: relative;
    color: var(--blue);
}

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


.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.education-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 24px;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.education-content {
    display: flex;
    flex-direction: column;
}

.school-name {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.years {
    font-size: 14px;
    color: var(--blue);
    margin-bottom: 8px;
    font-weight: 500;
}

.description {
    margin-bottom: 16px;
    font-size: 16px;
    color: rgba(232, 234, 237, 0.8);
}

.education-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.education-tag {
    background-color: rgba(66, 133, 244, 0.2);
    color: var(--blue);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 16px;
    font-weight: 500;
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

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

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-image {
    height: 200px;
    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-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.project-info p {
    margin-bottom: 16px;
    font-size: 14px;
    color: rgba(232, 234, 237, 0.8);
}

.project-links {
    display: flex;
    justify-content: flex-start;
}


.experience-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-top: 40px;
}

.experience-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.duration {
    font-size: 16px;
    color: var(--blue);
    margin-bottom: 16px;
}

.description {
    margin-bottom: 24px;
    line-height: 1.6;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 180px;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}


.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    background-color: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(232, 234, 237, 0.6);
}

.form-status {
    margin-top: 16px;
    text-align: center;
    font-size: 14px;
    height: 20px;
}

.success {
    color: var(--green);
}

.error {
    color: var(--red);
}


.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: #3b78e7;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}


footer {
    background-color: var(--secondary-bg);
    padding: 40px 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--blue);
    transform: translateY(-3px);
}

.copyright {
    color: rgba(232, 234, 237, 0.6);
    font-size: 14px;
}


@media screen and (max-width: 768px) {
    .intro-content {
        flex-direction: column;
        text-align: center;
    }
    
    .intro-text {
        order: 2;
    }
    
    .intro-photo {
        order: 1;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 0px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--secondary-bg);
        text-align: center;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        padding: 20px 0;
        z-index: 999;
        box-shadow: var(--shadow);
    }
    
    .nav-list.active {
        transform: translateY(0);
    }
    
    .nav-list li {
        margin: 10px 0;
    }
    
    .nav-link {
        display: block;
        padding: 10px 20px;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-card {
        width: 100%;
        left: 0;
        padding-left: 40px;
    }
    
    .timeline-card:nth-child(even) {
        left: 0;
    }
    
    .timeline-card:nth-child(odd) .timeline-content::before,
    .timeline-card:nth-child(even) .timeline-content::before {
        left: -30px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media screen and (max-width: 480px) {
    .intro-section {
        padding: 40px 0;
    }
    
    .intro-text h1 {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .intro-photo img {
        width: 200px;
        height: 200px;
    }
    
    .section {
        padding: 60px 0;
    }

    html {
    scroll-behavior: smooth;
}

}