:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #7c3aed;
    --secondary-dark: #6d28d9;
    --accent-color: #06b6d4;
    --accent-dark: #0891b2;

    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;

    /* Background Colors */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --bg-dark: #111827;

    /* Border & Shadow */
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul,
ol {
    list-style: none;
}

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

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.line-clamp-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.line-clamp-4 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.container {
    width: 100%;
    max-width: 1200px;
    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;
}

/* ============================================
   Typography
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

p {
    margin-bottom: var(--spacing-md);
}

.text-xs {
    font-size: var(--text-xs);
}

.text-sm {
    font-size: var(--text-sm);
}

.text-base {
    font-size: var(--text-base);
}

.text-lg {
    font-size: var(--text-lg);
}

.text-xl {
    font-size: var(--text-xl);
}

.text-2xl {
    font-size: var(--text-2xl);
}

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

.text-lighter {
    color: var(--text-lighter);
}

.text-primary {
    color: var(--primary-color);
}

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

.text-white {
    color: white;
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.leading-normal {
    line-height: 1.6;
}

.leading-relaxed {
    line-height: 1.75;
}

.leading-tight {
    line-height: 1.25;
}



.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.site-header.dark-bg {
    background-color: var(--bg-dark);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo span {
    color: var(--accent-color);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-desktop a {
    font-weight: 600;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-normal);
}

.nav-desktop a:hover::after {
    width: 100%;
}

.nav-desktop a.active {
    color: var(--primary-color);
}

.nav-desktop a.active::after {
    width: 100%;
}

/* Header CTA Buttons */
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
    transform-origin: center;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.nav-mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-white);
    transform: translateX(-100%);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 999;
    padding-top: 80px;
    overflow-y: auto;
}

.nav-mobile.active {
    transform: translateX(0);
    opacity: 1;
}

.nav-mobile ul {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-mobile a {
    display: block;
    padding: var(--spacing-md);
    font-weight: 600;
    font-size: var(--text-lg);
    border-bottom: 1px solid var(--border-color);
}

.nav-mobile a.active {
    color: var(--primary-color);
}

.nav-mobile .mobile-cta {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}



.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    gap: var(--spacing-sm);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-light {
    background-color: white;
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--text-lg);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    width: 40px;
    height: 40px;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: 2px solid var(--primary-color);
    border-color: transparent;
}

.form-control::placeholder {
    color: var(--text-lighter);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox input {
    margin-top: 0.25rem;
}

.form-checkbox label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}



/* Main Content */
main {
    margin-top: 80px;
    min-height: calc(100vh - 400px);
}

.section {
    padding: var(--spacing-3xl) 0;
}

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

.section-title {
    font-size: var(--text-3xl);
    position: relative;
    padding-bottom: var(--spacing-md);
    margin-bottom: 0;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.view-all {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.view-all:hover {
    gap: var(--spacing-md);
}

/* Content Area Grid */
.content-area {
    display: grid;
    grid-template-columns: minmax(300px,7fr) minmax(100px,3fr);
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

.main-content {
    width: 100%;
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.sidebar-widget {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.widget-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}


.card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    height: 200px;
    overflow: hidden;
}

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

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

.card-content {
    padding: var(--spacing-xl);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--bg-lighter);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
}

.card-title {
    font-size: var(--text-xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: var(--text-sm);
}

.card-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.breadcrumb {
    background-color: var(--bg-light);
    padding: var(--spacing-xl) 0;
    margin-top: 80px;
}

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

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-light);
    font-size: var(--text-sm);
}

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: var(--spacing-sm);
}

.breadcrumb-item a {
    color: var(--text-light);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 600;
}


.page-header {
    padding: var(--spacing-lg) 0 var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
}

.page-description {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 800px;
}


/* Featured Articles Grid */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.featured-card-large {
    grid-column: span 2;
}

.featured-card-large .card-image {
    height: 280px;
}

.featured-card-large .card-title {
    font-size: var(--text-2xl);
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.category-card:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.category-card:hover .category-icon,
.category-card:hover .category-count {
    color: white;
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.category-name {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.category-desc {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
    flex-grow: 1;
}

.category-card:hover .category-desc {
    color: rgba(255, 255, 255, 0.9);
}

.category-count {
    color: var(--accent-color);
    font-weight: 700;
    font-size: var(--text-sm);
}

/* Latest Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Special Reports */
.special-reports {
    background-color: var(--bg-light);
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.report-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    transition: var(--transition-normal);
}

.report-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.report-image {
    width: 40%;
    overflow: hidden;
}

.report-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.report-content {
    width: 60%;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.report-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--accent-color);
    color: white;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
}

.report-title {
    font-size: var(--text-xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.report-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

/* Popular Articles */
.popular-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.popular-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.popular-card:hover {
    background-color: var(--bg-light);
    transform: translateX(5px);
}

.popular-rank {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--accent-color);
    min-width: 40px;
}

.popular-content {
    flex-grow: 1;
}

.popular-title {
    font-size: var(--text-base);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

/* Newsletter Section */
.newsletter-section {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-md);
    color: white;
}

.newsletter-desc {
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--spacing-sm);
}


/* List Controls */
.list-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.results-count {
    color: var(--text-light);
    font-size: var(--text-sm);
}

/* Filter Tags */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
    font-size: var(--text-sm);
}

.filter-tag:hover,
.filter-tag.active {
    background-color: var(--primary-color);
    color: white;
}

/* Sort Dropdown (Static CSS Only) */
.sort-dropdown {
    position: relative;
    display: inline-block;
}

.sort-button {
    padding: 0.625rem 1.5rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sort-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
    z-index: 100;
}

.sort-dropdown:hover .sort-dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-dropdown-content a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
}

.sort-dropdown-content a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Articles List */
.articles-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* List Card Variants */
.article-card-horizontal {
    display: flex;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.article-card-horizontal:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.article-card-horizontal .card-image {
    width: 30%;
    min-height: 200px;
}

.article-card-horizontal .card-image img {
    height: 100%;
    object-fit: cover;
}

.article-card-horizontal .card-content {
    width: 70%;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.article-card-minimal {
    background-color: transparent;
    border-left: 4px solid var(--accent-color);
    border-radius: 0;
    padding-left: var(--spacing-xl);
    box-shadow: none;
}

.article-card-minimal:hover {
    transform: translateX(5px);
    box-shadow: none;
    border-left-color: var(--primary-color);
}

/* Sidebar Components */
.recommended-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.recommended-item {
    display: flex;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.recommended-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.recommended-image {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.recommended-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recommended-content {
    flex-grow: 1;
}

.recommended-title {
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recommended-meta {
    font-size: var(--text-xs);
    color: var(--text-light);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-cloud-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    transition: var(--transition-normal);
}

.tag-cloud-item:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Sidebar Newsletter */
.sidebar-newsletter {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xl);
    text-align: center;
}

.sidebar-newsletter .widget-title {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.sidebar-newsletter p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.sidebar-newsletter .form-input {
    margin-bottom: var(--spacing-md);
    border: none;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.page-item {
    display: inline-block;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
}

.page-link:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.page-link.active {
    background-color: var(--primary-color);
    color: white;
}

.page-link.disabled {
    color: var(--text-light);
    cursor: not-allowed;
}

.page-link.disabled:hover {
    background-color: transparent;
    color: var(--text-light);
}

.pagination-prev,
.pagination-next {
    display: block;
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
}

.pagination-link {
    display: block;
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
}

.pagination-link.active {
    background: var(--accent-color);
    color: var(--bg-white);
}

.pagination-link:hover {
    background: var(--accent-color);
    color: var(--bg-white);
}

.pagination-prev:hover:not(.disabled),
.pagination-next:hover:not(.disabled) {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}


/* Article Header */
.article-header {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.article-title {
    font-size: var(--text-4xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.article-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    flex-wrap: wrap;
}

.article-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--bg-lighter);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    font-size: var(--text-sm);
    color: var(--text-light);
}

.article-stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--text-sm);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Article Featured Image */
.article-featured-image {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

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

.image-caption {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Article Content */
.article-content {
    font-size: var(--text-lg);
    line-height: 1.7;
}

.article-content img {
    margin: 0 auto;
}

.article-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

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

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

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

.article-content blockquote p {
    margin-bottom: 0;
}

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

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

.article-content figure {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.article-content figure img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.article-content figcaption {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

.article-content code {
    background-color: var(--bg-lighter);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875em;
}

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

/* Article Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.article-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    transition: var(--transition-normal);
}

.article-tag:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Article Share */
.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
}

.share-label {
    font-weight: 600;
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-white);
    transition: var(--transition-normal);
    color: var(--text-primary);
}

.share-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.share-button.twitter:hover {
    background-color: #1DA1F2;
    color: white;
}

.share-button.facebook:hover {
    background-color: #4267B2;
    color: white;
}

.share-button.linkedin:hover {
    background-color: #0077B5;
    color: white;
}

.share-button.email:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Author Card */
.author-card {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
}

.author-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.author-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-card-info h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.author-card-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.author-social {
    display: flex;
    gap: var(--spacing-md);
}

.author-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--bg-white);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.author-social a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Comments Section */
.comments-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.comments-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-xl);
}

.comment-form {
    background-color: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.comment {
    display: flex;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-content {
    flex-grow: 1;
}

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

.comment-author {
    font-weight: 700;
}

.comment-date {
    color: var(--text-light);
    font-size: var(--text-sm);
}

.comment-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.comment-reply {
    margin-top: var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
}

/* Related Articles */
.related-articles {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.related-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Table of Contents */
.table-of-contents {
    position: sticky;
    top: 100px;
}

.toc-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

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

.toc-item {
    margin-bottom: var(--spacing-md);
}

.toc-item a {
    color: var(--text-secondary);
    transition: var(--transition-normal);
    display: block;
    padding: var(--spacing-sm) 0;
    border-left: 3px solid transparent;
    padding-left: var(--spacing-md);
}

.toc-item a:hover {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}


.site-footer {
    background-color: var(--bg-dark);
    color: white;
   
    margin-top: var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.footer-links li {
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.social-icon:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-links-horizontal {
    display: flex;
    gap: var(--spacing-lg);
}


.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-md);
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

.article-card {
    box-shadow: var(--shadow-md);
}



@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

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

    .featured-card-large {
        grid-column: span 2;
    }

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

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

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

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


@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }

    .content-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: 0;
    }

    .article-title,
    .page-title {
        font-size: var(--text-3xl);
    }

    .table-of-contents {
        position: static;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .logo {
        font-size: 1.4rem;
    }

    .header-container {
        padding: 10px var(--spacing-md);
    }

    .nav-desktop,
    .header-cta {
        display: none;
    }

    .hamburger-menu {
        display: flex;
    }

    .breadcrumb {
        margin-top: 0;
        padding: 10px 0;
    }

    .page-header{
        padding: 10px;
        margin-bottom: 10px;
    }
    .content-area{
        display: block;
    }
    .featured-grid,
    .articles-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .featured-card-large {
        grid-column: span 1;
    }

    .report-card {
        flex-direction: column;
    }

    .report-image,
    .report-content {
        width: 100%;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .list-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .sort-dropdown {
        align-self: flex-end;
    }

    .article-card-horizontal {
        flex-direction: column;
    }

    .article-card-horizontal .card-image,
    .article-card-horizontal .card-content {
        width: 100%;
    }

    .article-card-horizontal .card-image {
        min-height: 200px;
    }

    .article-header {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

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

    .article-stats {
        width: 100%;
        justify-content: space-between;
    }

    .article-content {
        font-size: var(--text-base);
    }

    .article-content h2 {
        font-size: var(--text-xl);
    }

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

    .share-buttons {
        width: 100%;
        justify-content: space-between;
    }

    .share-button {
        width: 48px;
        height: 48px;
    }

    .author-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .comment {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .comment-avatar {
        align-self: flex-start;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 5px;
        margin: 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }

    .articles-list {
        grid-template-columns: repeat(1, 1fr);
    }
}


@media (max-width: 575px) {
    main {
        margin-top: 55px;
    }

    .section {
        padding: 30px 0;
    }

    .section-header {
        margin-bottom: 20px;
    }

    .section-title,
    .article-title,
    .page-title {
        font-size: var(--text-2xl);
    }

    .article-subtitle {
        font-size: var(--text-lg);
    }

    .article-featured-image {
        height: 250px;
    }

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

    .page-link {
        width: 40px;
        height: 40px;
    }

    .pagination-prev,
    .pagination-next {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Print Styles */
@media print {

    .site-header,
    .nav-mobile,
    .hamburger-menu,
    .footer-cta,
    .newsletter-section,
    .site-footer,
    .back-to-top,
    .article-share,
    .comment-form,
    .sidebar {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .article-content {
        font-size: 12pt;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .card {
        break-inside: avoid;
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    .logo-icon,
    .author-avatar img,
    .comment-avatar img,
    .recommended-image img,
    .social-icon,
    .share-button,
    .back-to-top {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f3f4f6;
        --text-secondary: #d1d5db;
        --text-light: #9ca3af;
        --bg-white: #111827;
        --bg-light: #1f2937;
        --bg-lighter: #374151;
        --border-color: #374151;
    }

    .site-header.scrolled {
        background-color: rgba(17, 24, 39, 0.95);
    }

    .card,
    .sidebar-widget,
    .comment-form,
    .author-card {
        background-color: var(--bg-light);
    }

    .form-control {
        background-color: var(--bg-lighter);
        border-color: var(--border-color);
        color: var(--text-primary);
    }

    .btn-outline {
        border-color: var(--primary-light);
        color: var(--primary-light);
    }

    .btn-outline:hover {
        background-color: var(--primary-color);
        color: white;
    }
}