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

html {
    scroll-behavior: smooth;
}

:root {
    --primary-gradient: linear-gradient(135deg, #ddd5e6 0%, #cfc5db 25%, #c2b6cf 50%, #b5a7c4 75%, #a899b8 100%);
    --secondary-gradient: linear-gradient(135deg, #e8e0f0 0%, #ddd5e6 100%);
    --cool-gradient: linear-gradient(135deg, #ddd5e6 0%, #cfc5db 100%);
    --button-active-gradient: linear-gradient(135deg, #e3d8ec 0%, #dacde6 25%, #d1c3e0 50%, #c8b9d9 75%, #bfafd3 100%);
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --bg-light: rgba(255, 255, 255, 0.9);
    --bg-transparent: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--primary-gradient);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo a {
    font-size: 2rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
    position: relative;
}

.logo a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transition: var(--transition);
}

.logo a:hover::before {
    opacity: 1;
    animation: gradientShift 3s ease infinite;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: block;
}

.nav-link:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    color: white;
    font-size: 0.9rem;
    width: 200px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-box input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    width: 250px;
}

.search-icon {
    position: absolute;
    right: 1rem;
    color: rgba(255, 255, 255, 0.8);
    pointer-events: none;
}

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

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover {
    background: var(--primary-gradient);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.filter-btn.active,
.filter-btn:active {
    background: var(--button-active-gradient);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Articles Grid */
.articles-section {
    margin-bottom: 3rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.article-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: var(--cool-gradient);
}

.article-card-content {
    padding: 1.5rem;
}

.article-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.article-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.article-card-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Pagination */
.pagination-section {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.pagination {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 1rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.pagination-btn {
    padding: 0.6rem 1.2rem;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.pagination-btn:hover {
    background: var(--primary-gradient);
    transform: translateY(-2px);
}

.pagination-btn.active,
.pagination-btn:active {
    background: var(--button-active-gradient);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    padding: 0.6rem 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
}

/* Article Page */
.article-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.article-content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.article-header {
    margin-bottom: 2rem;
}

.article-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

.article-image-container {
    margin: 2rem 0;
    border-radius: 15px;
    overflow: hidden;
}

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

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-content-image {
    margin: 3rem 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.article-content-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.article-content-image:hover img {
    transform: scale(1.02);
}

/* Section Title */
.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    margin-top: 4rem;
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.footer-social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-icon:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px) scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        flex-wrap: wrap;
    }
    
    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .nav-right {
        flex-wrap: wrap;
    }
    
    .search-box input {
        width: 150px;
    }
    
    .search-box input:focus {
        width: 180px;
    }
}