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

:root {
    --color-primary: #1a365d;
    --color-secondary: #2d3748;
    --color-accent: #3182ce;
    --color-accent-hover: #2c5282;
    --color-light: #f7fafc;
    --color-gray-light: #e2e8f0;
    --color-gray: #a0aec0;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-white: #ffffff;
    --color-success: #38a169;
    --color-warning: #d69e2e;
    --color-danger: #e53e3e;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 15px 35px rgba(0, 0, 0, 0.1);

    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;

    --header-height: 70px;
    --container-width: 1280px;
}

body {
    font-family: var(--font-system);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    padding-top: var(--header-height);
    overflow-x: hidden;
}

.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 {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

ul,
li {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
}

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

a:hover {
    color: var(--color-accent);
}

/* ========== TYPOGRAPHY ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-secondary);
    margin-bottom: 0.75em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

.section-title {
    text-align: center;
    margin: 3rem 0 2rem;
    position: relative;
}

.section-title span {
    background: var(--color-white);
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.section-title::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-light);
    z-index: 0;
}

/* ========== BUTTONS & TAGS ========== */
.btn-cta,
.btn-subscribe {
    background-color: var(--color-accent);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-block;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-cta:hover,
.btn-subscribe:hover {
    background-color: var(--color-accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-cta:active,
.btn-subscribe:active {
    transform: translateY(0);
}

.category-tag,
.global-tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background-color: var(--color-gray-light);
    color: var(--color-text-light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.global-tag {
    background-color: var(--color-accent);
    color: white;
    position: absolute;
    top: 1rem;
    left: 1rem;
}

/* ========== NAVIGATION ========== */
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-slow);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.main-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    height: 60px;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    transition: var(--transition);
}

.nav-logo span {
    color: var(--color-accent);
    font-weight: 300;
}

.main-nav.scrolled .nav-logo {
    font-size: 1.6rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--color-accent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-search {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text);
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-search:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    transition: var(--transition);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ========== ANNOUNCEMENT BAR ========== */
.announcement {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    color: white;
    text-align: center;
    padding: 0.75rem;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.announcement::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    100% {
        left: 100%;
    }
}

.announcement a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
}

.announcement a:hover {
    opacity: 0.9;
}

/* ========== HOMEPAGE STYLES ========== */

/* Featured Story Section (Replaces Hero) */
.section-featured {
    margin: 2rem 0 4rem;
}

.featured-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    overflow: hidden;

}



.featured-image {
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.featured-content {
    padding: 2.5rem 2.5rem 2.5rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-content time {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.featured-content h1 {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
}

.featured-content h1 a:hover {
    color: var(--color-accent);
}

.featured-content .excerpt {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.meta .author a {
    font-weight: 600;
    color: var(--color-text);
}

.grid-style-2 {
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.grid-style-2 .grid-style-2-img {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
        
}

.grid-style-2 .grid-style-2-img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 14 / 11;
}

.grid-style-2 .grid-style-2-img:before {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
    bottom: 0;
    left: 0;
    opacity: 0;
    background-color: rgba(0, 0, 0, 0.4);
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.grid-style-2 .grid-style-2-img .post-label {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 4px 10px;
    display: inline-block;
    border-radius: 6px;
    color: #fff;
    background: var(--color-accent);
    font-size: 12px;
    z-index: 2;
    display: flex;
    align-items: center;
}

.grid-style-2 .grid-style-2-img:after {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
    bottom: 0;
    left: 0;
    background-size: 100% auto;
    background-image: url(../img/curve.svg);
    background-position: center bottom;
    background-repeat: no-repeat;
}

.grid-style-2-title {
    margin: 10px 0;
}

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

.grid-style-2 .grid-style-2-content {
    padding: 0px 15px 15px 15px;
}

.grid-style-2 .grid-style-2-content .desc {
    line-height: 24px;
    font-size: 14px;
    color: #8A8A93;
}

.grid-style-2 .grid-style-2-content .post-meta {
    border-top: 1px dashed rgba(0, 0, 0, 0.1);
    padding-top: 15px;
}

.grid-style-2 .grid-style-2-content .post-meta li {
    color: #8A8A93;
    position: relative;
}


/* Latest Updates Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Static Filter Dropdown */
.filter-dropdown {
    position: relative;
    display: inline-block;
}

.filter-toggle {
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-toggle:hover {
    border-color: var(--color-accent);
}

.filter-options {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius);
    list-style: none;
    min-width: 160px;
    z-index: 10;
    margin-top: 0.5rem;
}

.filter-dropdown:hover .filter-options,
.filter-toggle:focus-within+.filter-options {
    display: block;
}

.filter-options li {
    border-bottom: 1px solid var(--color-gray-light);
}

.filter-options li:last-child {
    border-bottom: none;
}

.filter-options a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
}

.filter-options a:hover {
    background-color: var(--color-light);
}

.latest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

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

.card-horizontal {
    grid-column: span 2;
    flex-direction: row;
}

.card-horizontal .card-image {
    flex: 0 0 40%;
    min-height: 250px;
}

.card-horizontal .card-body {
    flex: 1;
    padding: 2rem;
}

.card-vertical .card-body {
    padding: 1.5rem;
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.card-image .category-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.card-body time {
    font-size: 0.85rem;
    color: var(--color-gray);
    display: block;
    margin-bottom: 0.5rem;
}

.card-body h3 {
    font-size: 1.4rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-excerpt {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-gray);
    border-top: 1px solid var(--color-gray-light);
    padding-top: 1rem;
}

.author {
    font-weight: 600;
    color: var(--color-text);
}

/* Static Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 4rem 0;
    flex-wrap: wrap;
}

.page-link {
    padding: 0.6rem 1rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius);
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
    min-width: 44px;
    text-align: center;
}

.page-link:hover,
.page-link.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.page-link.dots {
    border: none;
    cursor: default;
}

.page-link.dots:hover {
    background: none;
    color: var(--color-text);
}

.page-link.prev,
.page-link.next {
    padding: 0.6rem 1.5rem;
    font-weight: 600;
}

/* Topic Focus Grid */
.section-topics {
    margin: 4rem 0;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.topic-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.topic-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.topic-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    background: var(--color-light);
    transition: var(--transition);
}

.topic-card:hover .topic-icon {
    background: var(--color-accent);
    color: white;
    transform: scale(1.1);
}

.topic-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.topic-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.topic-count {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
}

/* Newsletter CTA */
.section-newsletter {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d3748 100%);
    color: white;
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin: 5rem 0;
    position: relative;
    overflow: hidden;
}

.section-newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" opacity="0.05"><rect width="20" height="20" fill="white"/></svg>');
}

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

.newsletter-content h2 {
    color: white;
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.newsletter-content>p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex-grow: 1;
    min-width: 250px;
    padding: 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
}

.newsletter-form .btn-cta {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.form-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ========== CATEGORY PAGE STYLES ========== */

/* Category Container */
.category-container {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* Rich Breadcrumb Styling */
.breadcrumb {
    padding: 1rem 0;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    align-items: center;
    padding: 0;
    margin: 0;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    margin-right: 0.5rem;
}

.breadcrumb a {
    color: var(--color-primary);
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.breadcrumb a:hover {
    background-color: rgba(49, 130, 206, 0.1);
    color: var(--color-accent-hover);
}

.breadcrumb .current {
    color: var(--color-text-light);
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    background-color: var(--color-gray-light);
    border-radius: var(--radius);
}

.breadcrumb-separator {
    color: var(--color-gray);
    margin-left: 0.5rem;
    font-weight: 300;
}

/* Category Header */
.category-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--color-gray-light);
}

.category-header h1 {
    font-size: 2.2rem;
    margin-bottom: 0rem;
    color: var(--color-primary);
}

.category-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-light);
    max-width: 800px;
    margin-bottom: 1.5rem;
}

.article-count {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: 1rem;
}

/* Category Filter Tabs */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.filter-tab {
    padding: 0.6rem 1.2rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: 30px;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
}

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

/* Two-Column Layout */
.content-wrapper {
    display: grid;
    grid-template-columns: minmax(200px,7fr) minmax(200px, 3fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

/* Category Grid with Varied Card Styles */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Featured Card (First Article) */
.card-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.card-featured:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-featured .card-image {
    aspect-ratio: 16/9;
    min-height: 300px;
}

.card-featured .card-body {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-featured h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.card-featured .card-excerpt {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Compact Card (No Image) */
.card-compact {
    background: var(--color-white);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.card-compact .card-body {
    padding: 1.5rem;
}

.card-compact h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

/* Minimal Card */
.card-minimal {
    background: var(--color-white);
    border-top: 3px solid var(--color-gray-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.card-minimal:hover {
    border-top-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.card-minimal .card-body {
    padding: 1.5rem;
}

.card-minimal .category-tag {
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
}

/* Quote Style Card */
.card-quote {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d3748 100%);
    color: white;
    border-radius: var(--radius);
    overflow: hidden;
}

.card-quote blockquote {
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
    padding: 0;
    position: relative;
    quotes: "\\201C" "\\201D" "\\2018" "\\2019";
}

.card-quote blockquote:before {
    content: open-quote;
    font-size: 3rem;
    line-height: 0;
    vertical-align: -0.4em;
    margin-right: 0.25rem;
    color: rgba(255, 255, 255, 0.3);
}

.card-quote .card-body {
    padding: 2.5rem;
}

.card-quote h3 a {
    color: white;
}

.card-quote .card-meta {
    color: rgba(255, 255, 255, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    margin-top: 1rem;
}

/* Comment Count Styling */
.comment-count {
    font-size: 0.85rem;
    margin-left: 1rem;
}

/* Sidebar Styles */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background-color: var(--color-white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-gray-light);
}

/* Newsletter Widget */
.widget-newsletter {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 1px solid var(--color-gray-light);
}

.sidebar-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.sidebar-form input {
    padding: 0.8rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.sidebar-form button {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.sidebar-form button:hover {
    background-color: var(--color-accent-hover);
}

/* Trending List */
.trending-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.trending-list li {
    border-bottom: 1px solid var(--color-gray-light);
    padding: 1rem 0;
}

.trending-list li:last-child {
    border-bottom: none;
}

.trending-list a {
    display: flex;
    gap: 1rem;
    color: var(--color-text);
    transition: var(--transition);
}

.trending-list a:hover {
    color: var(--color-accent);
}

.trending-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background-color: var(--color-gray-light);
    color: var(--color-text-light);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
}

.trending-list li:nth-child(1) .trending-rank {
    background-color: #ff6b6b;
    color: white;
}

.trending-list li:nth-child(2) .trending-rank {
    background-color: #4ecdc4;
    color: white;
}

.trending-list li:nth-child(3) .trending-rank {
    background-color: #45b7d1;
    color: white;
}

.trending-list h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.trending-meta {
    font-size: 0.8rem;
    color: var(--color-gray);
}

/* Tags Cloud */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background-color: var(--color-gray-light);
    color: var(--color-text);
    border-radius: 20px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

/* Editor's Picks */
.editor-pick {
    border-bottom: 1px solid var(--color-gray-light);
    padding: 1.25rem 0;
}

.editor-pick:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.editor-pick a {
    color: var(--color-text);
    display: block;
    transition: var(--transition);
}

.editor-pick a:hover {
    color: var(--color-accent);
}

.editor-pick h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.editor-pick p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.pick-meta {
    font-size: 0.8rem;
    color: var(--color-gray);
}

/* Advertisement Widget */
.widget-ad {
    border: 1px dashed var(--color-gray);
    background-color: #f8f9fa;
    text-align: center;
}

.ad-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray);
    margin-bottom: 1rem;
}

.ad-content {
    padding: 0.5rem;
}

.ad-content strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.ad-link {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ========== ARTICLE PAGE STYLES ========== */

/* Article Container */
.article-container {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* Article Header */
.article-header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-gray-light);
    padding-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.article-category a {
    color: var(--color-accent);
    font-weight: 600;
}

.article-category a:hover {
    text-decoration: underline;
}

.meta-separator {
    margin: 0 0.5rem;
}

.article-title {
    font-size: 2rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.article-subtitle {
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    border-left: 4px solid var(--color-accent);
}

/* Author Meta */
.article-author-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-light);
}

.author-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-grow: 1;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-white);
    box-shadow: var(--shadow-sm);
}

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

.author-details {
    flex: 1;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.author-name a {
    color: var(--color-primary);
}

.author-bio {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.author-social {
    display: flex;
    gap: 0.75rem;
}

.author-social a {
    font-size: 0.85rem;
    color: var(--color-gray);
    transition: var(--transition);
}

.author-social a:hover {
    color: var(--color-accent);
}

/* Article Stats */
.article-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-light);
    border-radius: var(--radius);
    min-width: 70px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Featured Image */
.article-featured-image {
    margin: 2.5rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.article-featured-image figcaption {
    padding: 1rem 1.5rem;
    background-color: var(--color-light);
    font-size: 0.9rem;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-gray-light);
}

.image-caption {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.image-credit {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* Article Body */
.article-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto;
}
.article-body img{
    margin: 0 auto;
}
.article-intro .lead {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--color-primary);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-gray-light);
}

/* Article Highlight */
.article-highlight {
    margin: 2.5rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 5px solid var(--color-accent);
    border-radius: var(--radius);
}

.article-highlight blockquote {
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.5;
    margin: 0 0 1rem 0;
    color: var(--color-primary);
}

.article-highlight cite {
    font-size: 1rem;
    font-style: normal;
    font-weight: 600;
    color: var(--color-text-light);
}

/* Article Sections */
.article-section {
    margin: 3rem 0;
}

.article-section h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-gray-light);
}

.article-section h3 {
    font-size: 1.4rem;
    color: var(--color-secondary);
    margin: 2rem 0 1rem;
}

.article-section h4 {
    font-size: 1.2rem;
    color: var(--color-secondary);
    margin: 1.5rem 0 0.75rem;
}

/* Pull Quotes */
.article-pullquote {
    float: right;
    width: 300px;
    margin: 1rem 0 1.5rem 2rem;
    padding: 1.5rem;
    background-color: var(--color-light);
    border-left: 4px solid var(--color-accent);
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--color-primary);
    font-style: italic;
}

/* Data Points */
.article-data-point {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--color-light);
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-light);
}

.data-point-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.data-point-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.data-point {
    text-align: center;
    padding: 1rem;
}

.data-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.data-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

/* Inline Images */
.article-image-inline {
    margin: 2rem 0;
    text-align: center;
}

.article-image-inline img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.article-image-inline figcaption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-align: center;
}

/* Warning Box */
.article-warning {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-left: 5px solid #ffc107;
    border-radius: var(--radius);
}

.article-warning h4 {
    color: #856404;
    margin-top: 0;
}

.article-warning p {
    color: #856404;
    margin-bottom: 0;
}

/* Quote Box */
.article-quote {
    margin: 2.5rem 0;
    padding: 2rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius);
}

.article-quote blockquote {
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.6;
    margin: 0 0 1rem 0;
    color: white;
}

.article-quote cite {
    font-size: 1rem;
    font-style: normal;
    color: rgba(255, 255, 255, 0.8);
}

/* Checklist */
.article-checklist {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: #e8f4fd;
    border-radius: var(--radius);
    border: 1px solid #b6e0fe;
}

.article-checklist h4 {
    color: var(--color-primary);
    margin-top: 0;
}

.article-checklist ul {
    list-style: none;
    padding-left: 0;
}

.article-checklist li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.75rem;
}

.article-checklist li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Solution Box */
.article-solution {
    margin: 3rem 0;
    padding: 2rem;
    background-color: #f0f9ff;
    border-radius: var(--radius);
    border: 2px solid var(--color-accent);
}

.solution-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.solution-step {
    display: flex;
    gap: 1rem;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-content h5 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.step-content p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Article Conclusion */
.article-conclusion {
    margin: 3rem 0;
    padding: 2rem;
    background-color: var(--color-light);
    border-radius: var(--radius);
    border-top: 5px solid var(--color-primary);
}

.article-conclusion h3 {
    color: var(--color-primary);
    margin-top: 0;
}

/* Article Footer */
.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-gray-light);
}

/* Article Tags */
.article-tags {
    margin-bottom: 2rem;
}

.article-tags h4 {
    font-size: 1rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.article-tags .tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-gray-light);
    color: var(--color-text);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.article-tags .tag:hover {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

/* Article Meta Info */
.article-meta-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: var(--color-light);
    border-radius: var(--radius);
}

.meta-section h5 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-gray);
    margin-bottom: 0.75rem;
}

.meta-section p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.citation {
    background-color: white;
    padding: 1rem;
    border-radius: var(--radius);
    border-left: 3px solid var(--color-accent);
    font-size: 0.9rem;
    font-style: italic;
}

/* Share Widget */
.share-article {
    text-align: center;
    padding: 2rem;
    margin: 2rem 0;
    background-color: var(--color-light);
    border-radius: var(--radius);
}

.share-article h4 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    font-size: 1.3rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.share-stats {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Author Bio Box */
.author-bio-box {
    margin: 2.5rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--radius);
    border-left: 5px solid var(--color-accent);
}

.author-bio-content {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.author-bio-image {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

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

.author-bio-text {
    flex: 1;
}

.author-bio-text h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.author-bio-text p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.author-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
}

.author-links a {
    color: var(--color-accent);
    font-weight: 600;
}

/* Comments Section */
.comments-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-gray-light);
}

.comments-header {
    margin-bottom: 2rem;
    text-align: center;
}

.comments-header h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.comments-header p {
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.comment-count {
    color: var(--color-accent);
    font-weight: 600;
}

/* Comment Sorting */
.comment-sort {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray-light);
}

.sort-label {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.sort-options {
    display: flex;
    gap: 0.5rem;
}

.sort-option {
    padding: 0.4rem 1rem;
    background-color: var(--color-gray-light);
    color: var(--color-text);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.sort-option:hover,
.sort-option.active {
    background-color: var(--color-accent);
    color: white;
}

/* Comments List */
.comments-list {
    margin-bottom: 3rem;
}

.comment {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--color-gray-light);
    transition: var(--transition);
}

.comment:hover {
    border-left-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.comment-author {
    display: flex;
    gap: 1rem;
    align-items: center;
}

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

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

.comment-author-info h5 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.comment-author-title {
    font-size: 0.8rem;
    color: var(--color-gray);
}

.comment-meta {
    font-size: 0.85rem;
    color: var(--color-gray);
    display: flex;
    gap: 1rem;
}

.comment-likes {
    color: var(--color-accent);
    font-weight: 600;
}

.comment-body {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.6;
}

.comment-actions {
    display: flex;
    gap: 1rem;
}

.comment-action {
    font-size: 0.9rem;
    color: var(--color-gray);
    transition: var(--transition);
}

.comment-action:hover {
    color: var(--color-accent);
}

/* Comment Form */
.comment-form-container {
    background-color: var(--color-light);
    padding: 2rem;
    border-radius: var(--radius);
    margin-top: 2rem;
}

.comment-form-container h4 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius);
    font-family: var(--font-system);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-notice {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: white;
    border-radius: var(--radius);
}

.form-notice a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Related Articles */
.related-articles {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-gray-light);
}

.related-header {
    text-align: center;
    margin-bottom: 2rem;
}

.related-header h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.related-article {
    background-color: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.related-article:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.related-image {
    height: 180px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.related-content {
    padding: 1.5rem;
}

.related-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.related-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.related-content h4 a {
    color: var(--color-text);
}

.related-content h4 a:hover {
    color: var(--color-accent);
}

.related-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-gray);
    border-top: 1px solid var(--color-gray-light);
    padding-top: 1rem;
}

/* Sidebar TOC Widget */
.widget-toc {
    position: sticky;
    top: 100px;
}

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

.toc-nav li {
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-gray-light);
    padding-bottom: 0.75rem;
}

.toc-nav li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.toc-nav a {
    display: block;
    color: var(--color-text);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.toc-nav a:hover {
    color: var(--color-accent);
    padding-left: 0.5rem;
}

/* Article Tools Widget */
.widget-tools {
    text-align: center;
}

.tools-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    background-color: var(--color-gray-light);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: var(--transition);
}

.tool-btn:hover {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

/* ========== FOOTER ========== */
.main-footer {
    background-color: var(--color-primary);
    color: var(--color-gray-light);
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    display: block;
}

.footer-logo span {
    color: var(--color-accent);
    font-weight: 300;
}

.footer-col.brand p {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-weight: bold;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--color-gray-light);
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-form {
    display: flex;
    margin: 1.5rem 0;
}

.footer-form input {
    flex-grow: 1;
    padding: 0.8rem;
    border: none;
    border-radius: var(--radius) 0 0 var(--radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.footer-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.footer-form button {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 0 1.2rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-form button:hover {
    background-color: var(--color-accent-hover);
}

.copyright {
    font-size: 0.85rem;
    opacity: 0.7;
    padding: 20px 0;
    grid-column: 1 / -1;
    text-align: center;
    margin: 0;
}

.copyright a{
    color: var(--color-light);
}

/* ========== BACK TO TOP BUTTON ========== */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background-color 0.3s, transform 0.3s;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

#back-to-top:hover {
    background-color: var(--color-accent-hover);
    transform: scale(1.1) translateY(-5px);
}

#back-to-top:active {
    transform: scale(1);
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
    :root {
        --container-width: 1140px;
    }
}

@media (max-width: 1024px) {
    .section-featured{
        margin-top: 0;
        margin-bottom: 0;
    }

    .section-title {
        margin-top: 2rem;
    }

    .featured-card {
        grid-template-columns: 1fr;
       
    }

    .featured-content {
        padding: 2rem;
    }

    .card-horizontal {
        grid-column: span 1;
        flex-direction: column;
    }

    .card-horizontal .card-image {
        min-height: auto;
        aspect-ratio: 16/9;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .content-wrapper {
        display: block;
        grid-template-columns: 1fr;
        gap: 2rem;
    }

   

    .card-featured {
        grid-template-columns: 1fr;
    }

    .data-point-grid,
    .solution-steps,
    .article-meta-info {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    body {
        padding-top: 50px;
        font-size: 15px;
    }

    :root {
        --header-height: 60px;
    }

    .main-nav.scrolled {
        height: 50px;
    }

    .container {
        padding: 0 1rem;
    }
    .main-nav{
        position: absolute;
        height: 50px;
    }
    .nav-logo{
        font-size: 1.4rem;
    }
    .nav-menu,
    .nav-actions .btn-search {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: 1rem 1.5rem;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--color-gray-light);
    }

    .hamburger {
        display: flex;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-subtitle {
        font-size: 1.1rem;
        padding-left: 1rem;
    }

    .article-pullquote {
        float: none;
        width: 100%;
        margin: 1.5rem 0;
    }

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

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

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

    .data-point-grid,
    .solution-steps,
    .article-meta-info,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-author-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-stats {
        width: 100%;
        justify-content: flex-start;
    }

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

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

    .comment-form .form-row {
        grid-template-columns: 1fr;
    }
    .category-header{
        margin-bottom: 1rem;
    }
    .pagination{
        gap: 1.2rem;
        margin: 2rem 0;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .featured-content h1 {
        font-size: 1.8rem;
    }

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

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

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    .section-newsletter {
        padding: 3rem 1rem;
    }

    .pagination .page-link {
        padding: 0.5rem 0.8rem;
        min-width: 36px;
        font-size: 0.9rem;
    }

    .pagination .prev,
    .pagination .next {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .tags-cloud .tag {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }

    .breadcrumb {
        font-size: 0.9rem;
    }

    .category-header h1 {
        font-size: 1.4rem;
    }

    .category-filters {
        gap: 0.5rem;
    }

    .filter-tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .card-featured .card-body {
        padding: 1.5rem;
    }

    #back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        bottom: 1rem;
        right: 1rem;
    }
}

@media (max-width: 400px) {
    .share-buttons {
        gap: 0.5rem;
    }

    .share-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .tools-list {
        grid-template-columns: 1fr;
    }
}

/* ========== PRINT STYLES ========== */
@media print {

    .main-nav,
    .announcement,
    .breadcrumb,
    .sidebar,
    .share-article,
    .comments-section,
    .section-newsletter,
    .main-footer,
    #back-to-top,
    .hamburger,
    .nav-actions {
        display: none !important;
    }

    body {
        padding-top: 0;
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }

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

    .article-title {
        font-size: 18pt;
        color: black;
    }

    .article-subtitle {
        font-size: 14pt;
        color: #555;
    }

    .article-body {
        font-size: 12pt;
        max-width: 100%;
    }

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

    .article-featured-image img {
        max-height: 300px;
    }

    .article-section h2 {
        page-break-after: avoid;
    }

    .article-section {
        page-break-inside: avoid;
    }
}