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

:root {
    --bg: #f5f5f5;
    --sidebar-bg: #ffffff;
    --terminal-bg: #ffffff;
    --text: #000000;
    --text-secondary: #666666;
    --border: #e0e0e0;
    --accent: #000000;
    --hover: #f8f8f8;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    font-size: 12px;
}

.lang-switcher a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

.lang-switcher a.active {
    font-weight: 700;
}

.lang-switcher span {
    margin: 0 5px;
    color: var(--text-secondary);
}

/* Sidebar */
.sidebar {
    width: 300px;
    background: var(--sidebar-bg);
    padding: 40px 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    border-right: 1px solid var(--border);
    overflow-y: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 0 20px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    margin-bottom: 5px;
    color: var(--text);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-item:hover,
.nav-item.active {
    background: var(--bg);
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-stats {
    padding: 20px 40px;
    border-top: 1px solid var(--border);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 11px;
}

.stat-label {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-weight: 700;
    font-size: 16px;
}

/* Main Content */
.main-content {
    margin-left: 300px;
    flex: 1;
    padding: 60px;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Terminal Window */
.terminal-window {
    background: var(--terminal-bg);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
}

.terminal-header {
    background: var(--terminal-bg);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons .btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn.red { background: #ff5f57; }
.btn.yellow { background: #ffbd2e; }
.btn.green { background: #28ca42; }

.terminal-title {
    font-size: 12px;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 40px;
    min-height: 400px;
}

.terminal-content {
    font-size: 13px;
}

/* About Section - New Layout with Photo */
.about-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    align-items: start;
}

.profile-photo {
    position: relative;
}

.profile-photo img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.photo-caption {
    text-align: center;
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.about-content {
    flex: 1;
}

.main-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.info-grid {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.info-item svg {
    flex-shrink: 0;
}

.terminal-output {
    font-size: 13px;
    line-height: 1.8;
}

.output-line {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.about-text {
    margin-bottom: 30px;
    line-height: 1.8;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
}

.skill-tag {
    padding: 6px 12px;
    background: var(--bg);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
}

.cursor-line {
    color: var(--text-secondary);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Section Title */
.section-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
}

/* Timeline - Enhanced */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 20px;
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-icon {
    font-size: 32px;
    text-align: center;
    line-height: 1;
}

.timeline-content {
    flex: 1;
}

.timeline-date {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.timeline-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.timeline-item h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.timeline-item p {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tags span {
    padding: 4px 10px;
    background: var(--bg);
    border-radius: 4px;
    font-size: 11px;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.skill-group h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-bar {
    margin-bottom: 20px;
}

.skill-bar span {
    display: block;
    background: var(--bg);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.skill-bar span::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--accent);
    opacity: 0.1;
    width: var(--width, 0%);
    transition: width 1s ease;
}

/* Projects Categories */
.projects-categories {
    display: grid;
    gap: 40px;
}

.project-category {
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.project-category:last-child {
    border-bottom: none;
}

.project-category h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-category h3 svg {
    flex-shrink: 0;
}

.project-category ul {
    list-style: none;
    padding: 0;
}

.project-category li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.project-category li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

/* Passions Grid */
.passions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.passion-card {
    padding: 25px;
    background: var(--bg);
    border-radius: 8px;
    transition: all 0.2s;
}

.passion-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.passion-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.passion-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.passion-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Current Focus */
.current-focus {
    max-width: 800px;
}

.focus-main {
    text-align: center;
    padding: 40px;
    background: var(--bg);
    border-radius: 8px;
    margin-bottom: 40px;
}

.focus-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.focus-main h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
}

.focus-main p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.focus-areas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.focus-area {
    padding: 20px;
    background: var(--bg);
    border-radius: 8px;
}

.focus-area h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.focus-area ul {
    list-style: none;
    padding: 0;
}

.focus-area li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.focus-area li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.tech-stack-current {
    padding: 25px;
    background: var(--bg);
    border-radius: 8px;
}

.tech-stack-current h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Contact Layout */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.contact-form-wrapper {
    flex: 1;
}

.contact-form {
    max-width: 500px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.2s;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -20px;
    font-size: 11px;
}

.submit-btn {
    padding: 12px 30px;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-btn:hover {
    opacity: 0.8;
}

.form-message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    display: none;
}

.form-message.show {
    display: block;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
}

/* Social Links */
.social-links {
    padding: 25px;
    background: var(--bg);
    border-radius: 8px;
}

.social-links h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border);
}

.social-link:last-child {
    border-bottom: none;
}

.social-link:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.social-link svg {
    flex-shrink: 0;
}

.social-link span {
    font-size: 13px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 1200px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .passions-grid {
        grid-template-columns: 1fr;
    }
    
    .focus-areas {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }
    
    .main-content {
        margin-left: 250px;
        padding: 40px 30px;
    }
    
    .about-layout {
        grid-template-columns: 200px 1fr;
        gap: 30px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .main-content {
        margin-left: 0;
        padding: 30px 20px;
    }
    
    .terminal-body {
        padding: 30px 20px;
    }
    
    .about-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .profile-photo {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .info-grid {
        flex-direction: column;
        gap: 15px;
    }
    
    .timeline-item {
        grid-template-columns: 40px 1fr;
        gap: 15px;
    }
    
    .timeline-icon {
        font-size: 24px;
    }
    
    .projects-categories {
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .passion-icon,
    .focus-icon {
        font-size: 32px;
    }
}