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

:root {
    --color-bg: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #4a4a6a;
    --color-border: #e0e0e8;
    --color-link: #2563eb;
    --color-link-hover: #1d4ed8;
    --color-btn-bg: #2563eb;
    --color-btn-hover: #1d4ed8;
    --color-btn-text: #ffffff;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 800px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --border-radius: 8px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --color-bg: #0f0f1a;
    --color-text: #e8e8f0;
    --color-text-muted: #a0a0b8;
    --color-border: #2a2a4a;
    --color-link: #60a5fa;
    --color-link-hover: #93c5fd;
    --color-btn-bg: #3b82f6;
    --color-btn-hover: #60a5fa;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition), color var(--transition);
}

.header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.theme-toggle {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--color-link);
    background: var(--color-border);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: opacity var(--transition), transform var(--transition);
}

.icon-moon {
    display: none;
}

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: block;
}

.name {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.title {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.main {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    width: 100%;
}

section {
    margin-bottom: var(--spacing-xl);
}

section:last-of-type {
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-link);
    display: inline-block;
}

h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

h3:first-of-type {
    margin-top: 0;
}

.bio p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 65ch;
}

.cv-viewer {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.pdf-canvas {
    width: 100%;
    height: auto;
    display: block;
    background: var(--color-bg);
}

.pdf-loading,
.pdf-error {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: var(--color-text-muted);
    padding: var(--spacing-lg);
    text-align: center;
}

.pdf-error a {
    color: var(--color-link);
    margin: 0 var(--spacing-xs);
}

.pdf-error a:hover {
    color: var(--color-link-hover);
}

.cv-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
    width: 100%;
    text-align: center;
}

@media (min-width: 601px) {
    .cv .cv-actions {
        display: flex !important;
        gap: var(--spacing-sm) !important;
    }
}

.cv .cv-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cv .cv-actions .btn {
    flex: 1 1 auto;
    min-width: 140px;
    text-align: center;
}

@media (max-width: 600px) {
    .pdf-embed {
        height: 500px;
    }

    .cv .cv-actions {
        flex-direction: column !important;
    }

    .cv .cv-actions .btn {
        width: 100% !important;
    }
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-download {
    background-color: var(--color-btn-bg);
    color: var(--color-btn-text);
}

.btn-download:hover {
    background-color: var(--color-btn-hover);
    transform: translateY(-1px);
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition);
    background: var(--color-bg);
}

.pdf-embed {
    transition: background-color var(--transition);
}

.link-card:hover {
    border-color: var(--color-link);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.link-card .icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-link);
    transition: color var(--transition);
}

.link-card:hover .icon {
    color: var(--color-link-hover);
}

.link-card span {
    font-weight: 500;
    font-size: 1rem;
}

.footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 480px) {
    .name {
        font-size: 2rem;
    }

    .title {
        font-size: 1.1rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .bio p {
        font-size: 1rem;
    }

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

.cookie-banner {
    position: fixed;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(1rem); }
    to { opacity: 1; transform: translateY(0); }
}

.cookie-banner p {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text);
}

.cookie-banner a {
    color: var(--color-link);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.cookie-btn {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
}

.cookie-btn:hover {
    background-color: var(--color-border);
    border-color: var(--color-link);
}

.cookie-btn:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 0.9rem;
}

.cookie-table th,
.cookie-table td {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    text-align: left;
}

.cookie-table th {
    background: var(--color-border);
    font-weight: 600;
}

.cookie-table tbody tr:nth-child(even) {
    background: var(--color-border);
}

.cookie-table code {
    background: var(--color-border);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.85em;
}

.projects-carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) var(--spacing-xs) var(--spacing-md);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.projects-carousel::-webkit-scrollbar {
    height: 8px;
}

.projects-carousel::-webkit-scrollbar-track {
    background: transparent;
}

.projects-carousel::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.projects-carousel::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

.projects-wrapper {
    position: relative;
}

.projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.projects-header h2 {
    margin-bottom: 0;
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-link);
}

.carousel-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.carousel-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition);
}

.carousel-btn svg {
    width: 18px;
    height: 18px;
}

.carousel-btn:hover {
    background: var(--color-border);
    border-color: var(--color-link);
    color: var(--color-link);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-btn:disabled {
    opacity: 0.3;
    pointer-events: none;
}

.project-card {
    flex: 0 0 320px;
    max-width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    scroll-snap-align: start;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--color-link);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.project-image {
    aspect-ratio: 16 / 10;
    background-size: cover;
    background-position: center;
    background-color: var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

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

.project-icon {
    width: 64px;
    height: 64px;
    opacity: 0.9;
}

.project-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.project-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--color-border);
    color: var(--color-text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition);
}

.tag:hover {
    background: var(--color-link);
    color: var(--color-btn-text);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-link);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition);
    margin-top: auto;
}

.project-link:hover {
    color: var(--color-link-hover);
    gap: var(--spacing-sm);
}

.project-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .carousel-nav {
        display: none;
    }

    .projects-carousel {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        overflow-x: visible;
        padding: 0;
        scroll-snap-type: none;
    }

    .project-card {
        flex: none;
        max-width: none;
    }
}