/* CSS Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Font stack matching original website */
:root {
    --font-family: Lato, Avenir, sans-serif;
    --font-mono: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
    
    /* Original website color scheme */
    --color-text: #636363;
    --color-text-muted: #707070;
    --color-text-dark: #000000;
    --color-bg: #ffffff;
    --color-bg-alt: #f9f9f9;
    --color-bg-section: #f4f4f4;
    --color-border: #e1e4e8;
    --color-link: #2b91f5;
    --color-link-hover: #2b91f5;
    --color-primary: rgba(57, 130, 205, 1);
    --color-dark: rgba(25, 48, 57, 1);
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Layout */
    --max-width: 72ch;
    --spacing: 1rem;
    --spacing-sm: 0.5rem;
    --spacing-lg: 2rem;
    --border-radius: 0.5rem;
}

/* Dark mode - maintain similar contrast ratios */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f0f6fc;
        --color-text-muted: #8b949e;
        --color-text-dark: #ffffff;
        --color-bg: #0d1117;
        --color-bg-alt: #161b22;
        --color-bg-section: #21262d;
        --color-border: #30363d;
        --color-link: #58a6ff;
        --color-link-hover: #79c0ff;
        --color-primary: rgba(88, 166, 255, 1);
        --color-dark: rgba(245, 245, 245, 1);
        --color-shadow: rgba(0, 0, 0, 0.3);
    }
}

html {
    font-size: 16px;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-dark);
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: var(--spacing);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p, ul, ol {
    margin-bottom: var(--spacing);
}

ul, ol {
    padding-left: var(--spacing-lg);
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

/* Layout */
.main-content {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing);
}

/* Navigation */
.main-nav {
    background-color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing);
}

.nav-brand a {
    font-weight: 600;
    font-size: 1.125rem;
    color: white;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.nav-menu a:hover {
    color: white;
}

/* Landing page */
.landing {
    width: 100vw;
    height: 100vh;
    background: url('/images/img/landing-alboc.JPG') center/cover no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-top: calc(-1 * (var(--spacing-sm) * 2 + 1.125rem + 2px));
}

.landing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.landing-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 1);
}

.landing-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: white !important;
}

.landing-name {
    white-space: nowrap;
    color: white !important;
}

.landing-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    word-spacing: 2rem;
    color: white !important;
    margin: 0;
}

/* Content sections */
.intro {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.intro h2 {
    margin-bottom: var(--spacing-lg);
}

.presentation p {
    font-weight: 500;
    margin-bottom: var(--spacing);
}

/* Gallery */
.gallery-block {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.gallery-block img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--color-shadow);
    transition: transform 0.2s ease;
}

.gallery-block img:hover {
    transform: scale(1.02);
}

/* Buttons */
.button, .cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.button:hover, .cta-button:hover {
    background-color: rgba(57, 130, 205, 0.9);
    color: white;
    text-decoration: none;
}

.button-container {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

/* Blog */
.blog-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.blog-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.articles-list {
    margin-bottom: var(--spacing-lg);
}

.article-preview {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.article-preview:last-child {
    border-bottom: none;
}

.article-preview-image {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    overflow: hidden;
    border-radius: var(--border-radius);
    background-color: var(--color-bg-alt);
}

.article-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-preview-image:hover img {
    transform: scale(1.05);
}

.article-preview-content {
    flex: 1;
    min-width: 0;
}

/* On mobile, stack image and content vertically */
@media (max-width: 550px) {
    .article-preview {
        flex-direction: column;
        gap: var(--spacing);
    }
    
    .article-preview-image {
        width: 200px;
        height: 150px;
        align-self: flex-start;
    }
}

.article-preview-header {
    margin-bottom: var(--spacing);
}

.article-preview-title {
    margin-bottom: var(--spacing-sm);
}

.article-preview-title a {
    color: var(--color-text);
}

.article-preview-date {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.article-preview-summary {
    margin-bottom: var(--spacing);
    color: var(--color-text-muted);
}

.article-preview-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.read-more {
    font-weight: 500;
}

.article-preview-category {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Article */
.article {
    margin-bottom: var(--spacing-lg);
}

.article-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.article-title {
    margin-bottom: var(--spacing);
}

.article-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.article-content {
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--color-shadow);
    margin: var(--spacing) 0;
}

.article-content code {
    font-family: var(--font-mono);
    background-color: var(--color-bg-alt);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.article-content pre {
    background-color: var(--color-bg-alt);
    padding: var(--spacing);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: var(--spacing) 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

/* Table styles */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--color-bg);
    box-shadow: 0 2px 8px var(--color-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.article-content table th {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing);
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-content table td {
    padding: var(--spacing-sm) var(--spacing);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.article-content table tbody tr:hover {
    background-color: var(--color-bg-alt);
    transition: background-color 0.2s ease;
}

.article-content table tbody tr:last-child td {
    border-bottom: none;
}

/* Special styling for total/summary rows */
.article-content table td strong,
.article-content table th strong {
    font-weight: 700;
}

.article-content table tbody tr:has(td strong) {
    background-color: var(--color-bg-section);
    font-weight: 600;
}

.article-content table tbody tr:has(td strong):hover {
    background-color: var(--color-bg-alt);
}

/* Responsive table styling */
@media (max-width: 550px) {
    .article-content table {
        font-size: 0.875rem;
    }
    
    .article-content table th,
    .article-content table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 550px) {
    .article-content table {
        font-size: 0.8rem;
    }
    
    .article-content table th,
    .article-content table td {
        padding: 0.375rem 0.5rem;
    }
}

.article-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing);
    border-top: 1px solid var(--color-border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.tag {
    background-color: var(--color-bg-alt);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing);
}

.prev-article, .next-article {
    max-width: 45%;
}

/* Blog page styles */
.blog-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing);
}

/* Page */
.page {
    margin-bottom: var(--spacing-lg);
}

.page-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.page-content {
    line-height: 1.7;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.pagination-info {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    padding: var(--spacing-lg) var(--spacing);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.footer-contact {
    margin-bottom: var(--spacing);
}

.footer-social {
    margin-bottom: var(--spacing);
}

.footer-social a {
    margin: 0 var(--spacing-sm);
    color: var(--color-text-muted);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Forms */
form {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
}

form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text);
}

form input, form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    margin-bottom: var(--spacing);
    background-color: var(--color-bg);
    color: var(--color-text);
}

form input:focus, form textarea:focus {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
    border-color: var(--color-link);
}

form button {
    background-color: var(--color-link);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

form button:hover {
    background-color: var(--color-link-hover);
}

/* Responsive design */
@media (max-width: 550px) {
    .nav-container {
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .nav-brand {
        margin-bottom: var(--spacing-sm);
    }
    
    .nav-menu {
        justify-content: center;
        gap: var(--spacing);
        font-size: 0.9rem;
    }
    
    .landing-title {
        font-size: 2rem;
    }
    
    .landing-subtitle {
        font-size: 1rem;
        word-spacing: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .article-nav {
        flex-direction: column;
    }
    
    .prev-article, .next-article {
        max-width: 100%;
    }
    
    .gallery-block {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 550px) {
    .main-content {
        padding: var(--spacing-sm);
    }
    
    .nav-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .nav-brand a {
        font-size: 1rem;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
        font-size: 0.8rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-menu li {
        margin: 0 var(--spacing-sm);
    }
    
    .landing-title {
        font-size: 1.5rem;
    }
}

/* Additional utility classes matching original website */
.section-primary {
    background-color: var(--color-primary);
    color: white;
}

.section-dark {
    background-color: var(--color-dark);
    color: white;
}

.section-light {
    background-color: var(--color-bg-section);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing);
    border-radius: var(--border-radius);
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: rgba(57, 130, 205, 0.9);
    color: white;
}