/* ============================================
   Scalable Informatics - Main Stylesheet
   IT Infrastructure & HPC Knowledge Platform
   ============================================ */

/* === RESET & BASE === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--si-text);
    background-color: var(--si-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--si-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--si-blue-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--si-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

code, pre {
    font-family: var(--font-mono);
}

code {
    background: var(--si-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--si-blue-dark);
}

pre {
    background: var(--si-dark);
    color: var(--si-gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* === LAYOUT === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === HEADER === */
.site-header {
    background: var(--si-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-lg);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--si-white);
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
}

.site-logo:hover {
    color: var(--si-blue-light);
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.logo-text {
    font-family: var(--font-heading);
}

/* Navigation */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-navigation .menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.main-navigation .menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--si-gray-light);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.main-navigation .menu li a:hover,
.main-navigation .menu li.current-menu-item a {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--si-gray-light);
    position: relative;
    transition: background 0.2s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--si-gray-light);
    left: 0;
    transition: transform 0.2s;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Header Search */
.header-search {
    position: relative;
}

.search-toggle {
    background: none;
    border: none;
    color: var(--si-gray-light);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.search-toggle:hover {
    color: #fff;
}

.search-overlay {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--si-card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    min-width: 300px;
    z-index: 100;
}

.search-overlay.active {
    display: block;
}

.search-overlay .search-form {
    display: flex;
}

.search-overlay .search-field {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    outline: none;
}

.search-overlay .search-field:focus {
    border-color: var(--si-blue);
}

.search-overlay .search-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--si-blue);
    color: #fff;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    font-weight: 500;
}

/* === BREADCRUMBS === */
.breadcrumbs {
    padding: var(--spacing-md) 0;
    font-size: 0.85rem;
    color: var(--si-text-muted);
}

.breadcrumbs a {
    color: var(--si-text-light);
}

.breadcrumbs a:hover {
    color: var(--si-blue);
}

.breadcrumb-sep {
    margin: 0 var(--spacing-sm);
    color: var(--si-gray);
}

/* === HERO SECTION === */
.hero-section {
    background: linear-gradient(135deg, var(--si-dark) 0%, var(--si-dark-alt) 100%);
    color: #fff;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-section > .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.2);
    color: var(--si-blue-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.hero-title {
    color: #fff;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.15;
}

.hero-title-accent {
    display: block;
    background: linear-gradient(135deg, var(--si-blue-light), var(--si-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section h1 {
    color: #fff;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.15;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--si-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-section p {
    font-size: 1.05rem;
    color: var(--si-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Hero Visual - Right Side */
.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-grid-pattern {
    display: grid;
    gap: var(--spacing-md);
}

.hero-stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.hero-stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateX(4px);
}

.hero-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(16, 185, 129, 0.2));
    border-radius: var(--border-radius);
    color: var(--si-blue-light);
    flex-shrink: 0;
}

.hero-stat-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--si-gray-light);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--si-blue);
    color: #fff;
}

.btn-primary:hover {
    background: var(--si-blue-dark);
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--si-blue-light);
    border: 2px solid rgba(59, 130, 246, 0.4);
}

.btn-outline:hover {
    background: var(--si-blue);
    color: #fff;
    border-color: var(--si-blue);
}

.btn-green {
    background: var(--si-green);
    color: #fff;
}

.btn-green:hover {
    background: var(--si-green-dark);
    color: #fff;
}

/* === SECTIONS === */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
    gap: var(--spacing-md);
}

.section-header h2,
.section-title {
    margin-bottom: 0;
}

.section-header p {
    color: var(--si-text-light);
    font-size: 1.05rem;
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--si-blue);
    white-space: nowrap;
    transition: gap 0.2s;
}

.section-link:hover {
    gap: 10px;
    color: var(--si-blue-dark);
}

.section-alt {
    background: var(--si-card-bg);
}

/* Section alternating backgrounds */
.section-news {
    background: var(--si-bg);
}

.section-resources {
    background: var(--si-card-bg);
}

.section-topics {
    background: var(--si-bg);
}

.section-glossary {
    background: var(--si-card-bg);
}

/* Empty state */
.no-content {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    color: var(--si-text-muted);
    font-size: 0.95rem;
    background: var(--si-bg);
    border: 2px dashed var(--si-border);
    border-radius: var(--border-radius-lg);
}

/* === CARD GRID === */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.card {
    background: var(--si-card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--si-border);
    transition: all 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--si-bg);
    max-height: 180px;
}

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

.card:hover .card-image img {
    transform: scale(1.03);
}

.card-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--si-dark) 0%, var(--si-dark-alt) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--si-blue-light);
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--si-text-muted);
    margin-bottom: var(--spacing-sm);
}

.card-meta .topic-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--si-blue);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.8rem;
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.card-title a {
    color: var(--si-dark);
}

.card-title a:hover {
    color: var(--si-blue);
}

.card-excerpt {
    color: var(--si-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.card-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--si-blue);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.card-link:hover {
    gap: 8px;
}

/* === NEWS LIST (Archive) === */
.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.news-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.2s;
}

.news-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.news-item-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--si-bg);
}

.news-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-item-content {
    flex: 1;
    min-width: 0;
}

.news-item-title {
    font-size: 1.15rem;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.news-item-title a {
    color: var(--si-dark);
    text-decoration: none;
}

.news-item-title a:hover {
    color: var(--si-blue);
}

.news-item-excerpt {
    font-size: 0.9rem;
    color: var(--si-text-light);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 600px) {
    .news-item {
        flex-direction: column;
    }

    .news-item-thumb {
        width: 100%;
        height: 160px;
    }
}

/* === TOPIC BADGES === */
.topic-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.topic-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--si-blue);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.tech-tag {
    display: inline-block;
    background: var(--si-bg);
    color: var(--si-text-light);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    border: 1px solid var(--si-border);
}

/* === TOPIC GRID === */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.topic-card {
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.2s;
}

.topic-card:hover {
    border-color: var(--si-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.topic-card .topic-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.topic-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.topic-card h3 a {
    color: var(--si-dark);
}

.topic-card h3 a:hover {
    color: var(--si-blue);
}

.topic-card .topic-count {
    font-size: 0.85rem;
    color: var(--si-text-muted);
}

.topic-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    color: var(--si-blue);
}

.topic-card-icon svg {
    width: 24px;
    height: 24px;
}

.topic-card-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--si-dark);
}

.topic-card-description {
    font-size: 0.85rem;
    color: var(--si-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.topic-card-count {
    font-size: 0.8rem;
    color: var(--si-text-muted);
    font-family: var(--font-mono);
}

/* Card topic badge */
.card-topic {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--si-blue);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.card-topic:hover {
    background: rgba(59, 130, 246, 0.2);
    color: var(--si-blue-dark);
}

/* Card type badge */
.card-type {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.card-type-resource {
    color: var(--si-green);
}

/* Resource card */
.card-resource {
    border-left: 3px solid var(--si-green);
}

.card-resource .card-body {
    padding: var(--spacing-xl);
}

/* === GLOSSARY HOMEPAGE GRID === */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.glossary-card {
    display: block;
    background: var(--si-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: all 0.2s;
    color: var(--si-text);
}

.glossary-card:hover {
    border-color: var(--si-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--si-text);
}

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

.glossary-card-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--si-blue), var(--si-green));
    color: #fff;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
}

.glossary-card-category {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--si-text-muted);
    background: var(--si-card-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

.glossary-card-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--si-dark);
}

.glossary-card-excerpt {
    font-size: 0.85rem;
    color: var(--si-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === GLOSSARY ARCHIVE === */
.glossary-alphabet {
    margin-bottom: var(--spacing-xl);
}

.alphabet-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.alphabet-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--si-text);
    text-decoration: none;
    transition: all 0.2s;
}

.alphabet-link:hover,
.alphabet-link.is-active {
    background: var(--si-blue);
    color: #fff;
    border-color: var(--si-blue);
}

.alphabet-link.is-disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

/* Letter groups */
.glossary-listing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

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

.glossary-letter-heading {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--si-blue);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--si-blue);
    margin: 0;
}

.glossary-terms-list {
    display: grid;
    gap: var(--spacing-sm);
}

.glossary-term-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: border-color 0.2s;
}

.glossary-term-item:hover {
    border-color: var(--si-blue);
}

.glossary-term-content {
    flex: 1;
    min-width: 0;
}

.glossary-term-name {
    font-size: 1.05rem;
    margin: 0 0 var(--spacing-xs);
}

.glossary-term-name a {
    color: var(--si-dark);
    text-decoration: none;
}

.glossary-term-name a:hover {
    color: var(--si-blue);
}

.glossary-term-excerpt {
    font-size: 0.85rem;
    color: var(--si-text-light);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.glossary-term-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.glossary-term-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--si-bg);
    color: var(--si-text-muted);
    transition: all 0.2s;
}

.glossary-term-link:hover {
    background: var(--si-blue);
    color: #fff;
}

.glossary-view-all {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* === SINGLE ARTICLE === */
.article-header {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.article-header .topic-badges {
    margin-bottom: var(--spacing-md);
}

.article-header h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
    max-width: var(--container-narrow);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--si-text-muted);
    font-size: 0.9rem;
}

.article-featured-image {
    max-width: 680px;
    margin: 0 auto var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.article-content p {
    margin-bottom: var(--spacing-lg);
}

.article-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-sm);
}

.article-content blockquote {
    border-left: 4px solid var(--si-blue);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    background: var(--si-bg);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    color: var(--si-text-light);
}

.article-tags {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--si-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.article-tags span {
    font-weight: 600;
    color: var(--si-text);
    margin-right: var(--spacing-sm);
}

/* === RESOURCE SINGLE === */
.resource-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--si-border);
}

.resource-header-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.resource-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--si-green);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-topic-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(59, 130, 246, 0.1);
    color: var(--si-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
}

.article-topic-badge:hover {
    background: rgba(59, 130, 246, 0.2);
}

.resource-title {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--si-dark);
}

.resource-subtitle {
    font-size: 1.1rem;
    color: var(--si-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.resource-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--si-text-muted);
}

.article-meta-item svg {
    opacity: 0.6;
}

.resource-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.resource-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    order: -1;
}

.resource-content {
    min-width: 0;
}

.resource-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--si-border);
    color: var(--si-dark);
}

.resource-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.resource-content h3 {
    font-size: 1.2rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--si-dark);
}

.resource-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--si-text);
}

/* TOC */
.toc {
    background: var(--si-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}

.toc-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--si-text-muted);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--si-border);
}

.toc-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin-bottom: 2px;
}

.toc-item-sub {
    padding-left: var(--spacing-md);
}

.toc-link {
    font-size: 0.85rem;
    color: var(--si-text-light);
    display: block;
    padding: 6px 10px;
    border-radius: var(--border-radius);
    text-decoration: none;
    line-height: 1.4;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

.toc-link:hover {
    color: var(--si-blue);
    background: rgba(59, 130, 246, 0.05);
}

.toc-link.is-active {
    color: var(--si-blue);
    border-left-color: var(--si-blue);
    background: rgba(59, 130, 246, 0.08);
    font-weight: 500;
}

.toc-placeholder,
.toc-empty {
    font-size: 0.85rem;
    color: var(--si-text-muted);
    font-style: italic;
}

/* === GLOSSARY SINGLE === */
.glossary-header {
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.glossary-header .term-pronunciation {
    font-family: var(--font-mono);
    color: var(--si-text-muted);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.glossary-header .term-aliases {
    color: var(--si-text-light);
    font-size: 0.9rem;
}

.category-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--si-blue), var(--si-green));
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* === RELATED POSTS === */
.related-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--si-border);
}

.related-section h2 {
    margin-bottom: var(--spacing-xl);
}

/* === ARCHIVE FILTERS === */
.archive-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.archive-filters a {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--si-text);
    transition: all 0.2s;
}

.archive-filters a:hover,
.archive-filters a.active {
    background: var(--si-blue);
    color: #fff;
    border-color: var(--si-blue);
}

/* === PAGE HEADER === */
.page-header {
    background: var(--si-dark);
    color: #fff;
    padding: var(--spacing-2xl) 0;
}

.page-header h1 {
    color: #fff;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--si-gray-light);
    font-size: 1.05rem;
}

/* === PAGINATION === */
.pagination,
.nav-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span,
.nav-links a,
.nav-links span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
}

.pagination a:hover,
.nav-links a:hover {
    background: var(--si-blue);
    color: #fff;
    border-color: var(--si-blue);
}

.pagination .current,
.nav-links .current {
    background: var(--si-blue);
    color: #fff;
    border-color: var(--si-blue);
}

/* === SEARCH === */
.search-results-header {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.search-results-header h1 {
    font-size: 1.75rem;
}

.no-results {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.no-results h2 {
    margin-bottom: var(--spacing-lg);
}

.no-results .search-form {
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    display: flex;
}

.no-results .search-field {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--si-border);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
}

.no-results .search-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--si-blue);
    color: #fff;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-weight: 600;
    cursor: pointer;
}

/* === AUTHOR PROFILE === */
.author-profile {
    margin-bottom: var(--spacing-2xl);
}

.author-profile-header {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    background: var(--si-card-bg);
    border: 1px solid var(--si-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

.author-profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--si-blue);
    flex-shrink: 0;
}

.author-profile-label {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--si-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.author-profile-name {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--si-dark);
}

.author-profile-bio {
    color: var(--si-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    max-width: 700px;
}

.author-profile-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.author-stat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--si-text-muted);
    font-weight: 500;
}

.author-stat svg {
    opacity: 0.6;
}

.author-content-section {
    margin-bottom: var(--spacing-2xl);
}

.author-content-section .section-title {
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .author-profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .author-profile-bio {
        max-width: none;
    }

    .author-profile-stats {
        justify-content: center;
    }
}

/* === 404 === */
.error-404 {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.error-404 .error-code {
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 700;
    color: var(--si-border);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-404 h1 {
    margin-bottom: var(--spacing-lg);
}

.error-404 .helpful-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* === PAGE CONTENT === */
.page-content {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.page-content .entry-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.page-content .entry-content p {
    margin-bottom: var(--spacing-lg);
}

.page-content .entry-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

/* === FOOTER === */
.site-footer {
    background: var(--si-dark);
    color: var(--si-gray-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-widget-title {
    color: #fff;
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-heading);
}

.footer-widget p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--si-gray);
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    color: var(--si-gray);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-menu a:hover {
    color: var(--si-blue-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.85rem;
    color: var(--si-gray-dark);
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-section > .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .glossary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .resource-layout {
        grid-template-columns: 1fr;
    }

    .resource-sidebar {
        position: static;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .header-inner {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: block;
        order: 3;
    }

    .main-navigation {
        display: none;
        width: 100%;
        order: 4;
        padding: var(--spacing-md) 0;
    }

    .main-navigation.active {
        display: block;
    }

    .main-navigation .menu {
        flex-direction: column;
    }

    .main-navigation .menu li a {
        padding: var(--spacing-md);
    }

    .hero-section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

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

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

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .article-header h1 {
        font-size: 1.75rem;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .sind-panels {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .alphabet-link {
        min-width: 30px;
        height: 30px;
        font-size: 0.8rem;
        padding: 0 5px;
    }

    .glossary-term-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .glossary-term-meta {
        align-self: flex-end;
    }
}

/* === WORDPRESS ALIGNMENT CLASSES === */
.alignleft {
    float: left;
    margin: 0 var(--spacing-lg) var(--spacing-lg) 0;
}

.alignright {
    float: right;
    margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

.aligncenter {
    display: block;
    margin: var(--spacing-lg) auto;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.85rem;
    color: var(--si-text-muted);
    text-align: center;
    padding: var(--spacing-sm) 0;
}