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

:root {
    /* Colors */
    --bg-color: #ffffff;
    --bg-secondary-color: #FAFAFA;
    --font-color: #50575c;
    --accent-color: #2d3b44;
    --border-color: #ebebeb;
    --btn-bg-color: linear-gradient(180deg, #ffffff 0%, #f0f0f0 100%);
    --btn-active-bg-color: #222c33;
    --btn-hover-bg-color: #ebebeb;
    --btn-text-color: #4e5559;
    --btn-active-text-color: #ffffff;

    /* Spacing */
    --spacing-xlg: 5.5rem;
    --spacing-lg: 2rem;
    --spacing-md: 1rem;
    --spacing-sm: 0.5rem;

    /* Font size */
    --text-normal: 0.875rem;
}

body {
    background-color: var(--bg-color);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--font-color);
    font-size: var(--text-normal);
    line-height: 1.2;
    margin: 0 1rem;
}

h5 {
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 500;
}

a {
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 40rem;
    margin: 0 auto;
    padding: var(--spacing-xlg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.description {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-filters {
    padding-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
}

.filter-btn {
    border: 1px solid var(--border-color);
    border-radius: 200px;
    padding: 6px 12px;
    background: var(--btn-bg-color);
    color: var(--btn-text-color);
    font-weight: 500;
    font-size: var(--text-normal);
    cursor: pointer;
    transition: background 150ms ease-out, color 150ms ease-out, border-color 150ms ease-out;
}

.filter-btn:hover {
    background: var(--btn-hover-bg-color);
}

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

.hidden {
    display: none;
}

.cv-description {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cv-download {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    background: var(--bg-secondary-color);
    border-radius: 12px;
}

.icon-btn {
    cursor: pointer;
    font-size: 32px;
    color: var(--accent-color);
    transition: color 0.3s ease;
    user-select: none;
    display: inline-block;
}

.spinning {
    animation: rotate 1s linear infinite;
    color: var(--accent-color);
}


@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
 }

.done { 
    color: var(--accent-color); 
}

.cv-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.explorations-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xlg);
}

.exploration-card__image img {
    display: block;
    width: 100%;
    height: auto;
}

.exploration-card__content {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.experience-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

.experience-row {
    display: grid;
    grid-template-columns: minmax(0, 8rem) minmax(0, 10rem) minmax(0, 1.5fr);
    column-gap: var(--spacing-xlg);
    align-items: flex-start;
}

.experience-row--education {
    margin-top: var(--spacing-xlg);
}

.experience-col--meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.experience-company,
.experience-role {
    font-size: var(--text-normal);
}

/* Projects list */

.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xlg);
}

.project-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--font-color);
    font-weight: 400;
}

.project-item:hover {
    text-decoration: none;
}

.project-item:hover h5 {
    text-decoration: underline;
}

.project-item__image img {
    display: block;
    width: 100%;
    height: auto;
}

.project-item__content {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Blog list */

.blog-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xlg);
}

.blog-preview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--font-color);
    font-weight: 400;
}

.blog-preview:hover {
    text-decoration: none;
}

.blog-preview:hover .blog-preview__title {
    text-decoration: underline;
}

.blog-preview__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-lg);
}

.blog-preview__title {
    color: var(--accent-color);
    font-weight: 500;
    font-size: var(--text-normal);
}

.blog-preview__date {
    color: var(--font-color);
    font-weight: 400;
    white-space: nowrap;
}

/* Blog article */

.blog-back-btn {
    align-self: flex-start;
    text-decoration: none;
}

.blog-back-btn:hover {
    text-decoration: none;
}

.blog-article {
    display: flex;
    flex-direction: column;
}

.blog-article__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-lg);
}

.blog-article__date {
    color: var(--font-color);
    font-weight: 400;
    white-space: nowrap;
}

.blog-article__body {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.blog-article__nav {
    margin-top: var(--spacing-xlg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.blog-nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--font-color);
    font-weight: 400;
}

.blog-nav-link__title {
    color: var(--accent-color);
    font-weight: 500;
    font-size: var(--text-normal);
}

.blog-nav-link:hover .blog-nav-link__title {
    text-decoration: underline;
}

/* Responsive */

@media (max-width: 40rem) {
    .container {
        padding: var(--spacing-lg) 0;
    }

    .nav-filters {
        flex-wrap: wrap;
    }

    .experience-row {
        grid-template-columns: minmax(0, 9rem) 1fr;
        column-gap: var(--spacing-lg);
    }

    .experience-col--label {
        grid-column: 1 / -1;
        margin-bottom: var(--spacing-sm);
    }

    .experience-col--label:empty {
        display: none;
    }

    .experience-row--education {
        margin-top: var(--spacing-lg);
    }
}

/* Dark theme */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1e22;
        --bg-secondary-color: #22272c;
        --font-color: #a0a8ae;
        --accent-color: #d6dce1;
        --border-color: #333a40;
        --btn-bg-color: linear-gradient(180deg, #2a3038 0%, #22272c 100%);
        --btn-active-bg-color: #d6dce1;
        --btn-hover-bg-color: #333a40;
        --btn-text-color: #a0a8ae;
        --btn-active-text-color: #1a1e22;
    }
}