/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Chivo", sans-serif;
    font-optical-sizing: auto;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    font-size: 21px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    z-index: 100;
    padding: 20px 0;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.name {
    font-size: 23px;
    font-weight: bold;
    letter-spacing: 1px;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: #666;
    text-decoration: none;
    font-size: 21px;
    transition: color 0.3s ease;
}

nav a:hover,
nav a.active {
    color: #333;
}

/* Main container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    min-height: 100vh;
    padding-top: 80px;
    padding-left: 20px;
    padding-right: 20px;
}

/* Page content */
.page-content {
    display: none;
    width: 100%;
}

.page-content.active {
    display: block;
}

#work-page.active {
    display: flex;
}

#about-page.active {
    display: block;
}

/* Left panel - Experience/Education */
.left-panel {
    width: 35%;
    padding: 50px;
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
    max-height: calc(100vh - 80px);
}

.left-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.left-section:not(:last-child) {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #f0f0f0;
}

.section-subtitle {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #333;
    margin: 0;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.experience-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.date {
    font-size: 18px;
    color: #666;
    margin-bottom: 5px;
}

.role {
    font-size: 21px;
    font-weight: bold;
    color: #333;
}

.company {
    font-size: 20px;
    color: #666;
    margin-bottom: 10px;
}

.description {
    font-size: 20px;
    color: #555;
    line-height: 1.5;
    max-width: 550px;
}

/* Right panel - Projects */
.right-panel {
    width: 65%;
    padding: 50px;
    overflow-y: auto;
    max-height: calc(100vh - 80px);
}

.section-title {
    font-size: 21px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 25px;
    color: #333;
}

/* Project tabs */
.project-tabs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tab-buttons {
    display: flex;
    flex-direction: row;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button {
    background: none;
    border: none;
    font-family: "Chivo", sans-serif;
    font-optical-sizing: auto;
    font-size: 19px;
    color: #999;
    text-align: left;
    padding: 5px 0;
    cursor: pointer;
    transition: color 0.3s ease;
}

.tab-button:hover,
.tab-button.active {
    color: #333;
}

.tab-button.active {
    font-weight: bold;
}

.project-content {
    position: relative;
}

.project-display {
    display: none;
    flex-direction: column;
    gap: 25px;
}

.project-display.active {
    display: flex;
}

.project-top {
    display: flex;
    flex-direction: row;
    gap: 30px;
}

.project-images {
    width: 60%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-preview-large {
    width: 100%;
    height: 280px;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    overflow: hidden;
}

.project-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yang-bener-main {
    object-position: top;
    object-fit: cover;
}

.project-gallery {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-thumbnail {
    width: calc(33.333% - 7px);
    height: 120px;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    cursor: pointer;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

/* Handle galleries with only 2 thumbnails */
.project-gallery:has(.project-thumbnail:nth-child(2):last-child) .project-thumbnail {
    width: calc(50% - 5px);
}

/* Fallback for browsers that don't support :has() */
@supports not selector(:has(*)) {
    .project-gallery .project-thumbnail:nth-child(1):nth-last-child(2),
    .project-gallery .project-thumbnail:nth-child(2):nth-last-child(1) {
        width: calc(50% - 5px);
    }
}

.project-thumbnail:hover {
    border-color: #999;
    transform: scale(1.02);
    transition: all 0.2s ease;
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image hover preview */
.image-preview-overlay {
    position: fixed;
    z-index: 1000;
    pointer-events: none;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    background-color: #fff;
    padding: 8px;
    opacity: 0;
    transform: scale(0.8) translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-preview-overlay.show {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.preview-image {
    width: 600px;
    height: 450px;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}

.project-thumbnail-placeholder {
    font-size: 12px;
    color: #999;
    text-align: center;
}

.project-placeholder-large {
    font-size: 18px;
    color: #999;
    text-align: center;
}

.project-details-side {
    width: 40%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-details-side h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 0;
    color: #333;
}

.project-details-side .project-description p {
    font-size: 18px;
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

.project-description {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.project-description p {
    margin: 0;
}

.project-details-bottom {
    width: 100%;
    padding-top: 10px;
    border-top: 1px solid #f0f0f0;
}

.project-description-full {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-description-full p {
    font-size: 17px;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    font-size: 17px;
    color: #666;
    background-color: #f0f0f0;
    padding: 5px 12px;
    border-radius: 3px;
    border: 1px solid #e0e0e0;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        font-size: 18px;
    }
    
    .header-content {
        padding: 0 15px;
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .name {
        font-size: 20px;
    }
    
    nav {
        gap: 20px;
    }
    
    nav a {
        font-size: 18px;
    }
    
    .container {
        padding-top: 120px;
    }
    
    #work-page.active {
        flex-direction: column;
    }
    
    .left-panel,
    .right-panel {
        width: 100%;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        padding: 25px 15px;
    }
    
    .left-panel {
        border-bottom: 1px solid #e0e0e0;
    }
    
    .right-panel {
        border-bottom: none;
    }
    
    .left-section:not(:last-child) {
        margin-bottom: 30px;
        padding-bottom: 30px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .experience-list {
        gap: 25px;
    }
    
    .date {
        font-size: 16px;
    }
    
    .role {
        font-size: 18px;
    }
    
    .company {
        font-size: 17px;
    }
    
    .description {
        font-size: 17px;
        max-width: 100%;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .tab-buttons {
        gap: 10px;
        flex-direction: column;
        margin-bottom: 15px;
    }
    
    .tab-button {
        font-size: 16px;
        padding: 8px 0;
        text-align: left;
    }
    
    .project-top {
        flex-direction: column;
    }
    
    .project-images,
    .project-details-side {
        width: 100%;
    }
    
    .project-preview-large {
        height: 180px;
    }
    
    .project-gallery {
        margin-top: 10px;
    }
    
    .project-thumbnail {
        width: calc(50% - 5px);
        height: 80px;
    }
    
    .project-placeholder-large {
        font-size: 14px;
    }
    
    .project-details-side {
        margin-top: 20px;
    }
    
    .project-details-side h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .project-details-side .project-description p {
        font-size: 16px;
    }
    
    .project-details-bottom {
        padding-top: 15px;
        margin-top: 15px;
        border-top: 1px solid #f0f0f0;
    }
    
    .project-description-full p {
        font-size: 15px;
    }
    
    .project-tags {
        gap: 8px;
    }
    
    .tag {
        font-size: 14px;
        padding: 4px 8px;
    }
}

/* Scrollbar styling */
.left-panel::-webkit-scrollbar,
.right-panel::-webkit-scrollbar {
    width: 6px;
}

.left-panel::-webkit-scrollbar-track,
.right-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.left-panel::-webkit-scrollbar-thumb,
.right-panel::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.left-panel::-webkit-scrollbar-thumb:hover,
.right-panel::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Subtle hover effects */
.experience-item:hover {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.project-preview-large:hover {
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

/* About Page Styles */
.about-container {
    display: flex;
    width: 100%;
    gap: 80px;
    padding: 50px;
    max-width: 1400px;
    margin: 0 auto;
}

.about-photo-section {
    width: 300px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.photo-frame {
    width: 200px;
    height: 250px;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    align-self: center;
}

.photo-placeholder {
    font-size: 16px;
    color: #999;
    text-align: center;
}

.passport-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-info p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.about-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-text p {
    font-size: 18px;
    color: #555;
    line-height: 1.6;
    margin: 0;
}

.skills-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skills-section h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.skills-grid {
    display: flex;
    gap: 40px;
}

.skill-category {
    flex: 1;
}

.skill-category h4 {
    font-size: 17px;
    font-weight: bold;
    color: #333;
    margin: 0 0 15px 0;
}

.skill-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-category li {
    font-size: 16px;
    color: #666;
}

/* About page responsive */
@media (max-width: 768px) {
    .about-container {
        flex-direction: column;
        gap: 25px;
        padding: 25px 15px;
    }
    
    .about-photo-section {
        width: 100%;
        align-items: center;
        gap: 20px;
    }
    
    .photo-frame {
        width: 120px;
        height: 150px;
    }
    
    .photo-placeholder {
        font-size: 14px;
    }
    
    .contact-info p {
        font-size: 14px;
    }
    
    .about-content {
        gap: 25px;
    }
    
    .about-text {
        gap: 15px;
    }
    
    .about-text p {
        font-size: 16px;
    }
    
    .skills-section h3 {
        font-size: 18px;
    }
    
    .skills-grid {
        flex-direction: column;
        gap: 20px;
    }
    
    .skill-category h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .skill-category li {
        font-size: 15px;
    }
}