/* Custom Styles with Modern Design */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar Styles */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    position: relative;
    transition: all 0.3s ease;
    margin: 0 0.5rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Card Styles */
.animated-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.animated-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.animated-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.animated-card:hover img {
    transform: scale(1.1);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.card-title a:hover {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-text {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Category Cards */
.category-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
}

.category-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 50%;
}

.category-card:hover::before {
    opacity: 0.1;
}

.category-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    position: relative;
    z-index: 1;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-1);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Blog Detail Page */
.blog-header-section {
    padding: 4rem 0 2rem;
    background: var(--gradient-1);
    color: white;
    position: relative;
    overflow: hidden;
}

.blog-header-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--light-bg));
}

.blog-title-main {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-cover-image {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin: 2rem 0;
}

.blog-content-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.blog-section {
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
}

.blog-section h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 0.5rem;
}

.blog-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.blog-section p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

/* Hashtags */
.hashtags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 2rem 0;
}

.hashtag {
    background: var(--gradient-2);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.hashtag:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Social Share */
.social-share {
    display: flex;
    gap: 1rem;
    margin: 3rem 0;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.social-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.social-btn.twitter {
    background: #1da1f2;
    color: white;
}

.social-btn.facebook {
    background: #1877f2;
    color: white;
}

.social-btn.linkedin {
    background: #0077b5;
    color: white;
}

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

/* Related Blogs */
.related-blogs-section {
    margin: 4rem 0;
    padding: 3rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 30px;
}

.related-blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    height: 100%;
    opacity: 0;
    transform: translateY(30px);
}

.related-blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-top: 5rem;
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Floating Animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .blog-title-main {
        font-size: 2rem;
    }
    
    .animated-card {
        margin-bottom: 1.5rem;
    }
}

/* Image Placeholder Styles */
.image-placeholder {
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 20px
    );
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: var(--gradient-1);
    border-radius: 3px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}