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

:root {
    /* Premium Color Palette */
    --primary-color: #0f172a;
    --primary-dark: #020617;
    --primary-light: #1e293b;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-alt: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-gradient-premium: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --bg-gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --bg-gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --bg-gradient-card: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --bg-gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
    
    /* Border Colors */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e1;
    
    /* Shadow System */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.3);
    --shadow-modal: 0 25px 50px -12px rgb(0 0 0 / 0.4);
    
    /* Border Radius */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-2xl: 32px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Modern Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 2rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    background-size: 200% 200%;
    transition: var(--transition);
}

.nav-logo h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-logo:hover h2::after {
    transform: scaleX(1);
}

.nav-logo:hover h2 {
    background-position: 100% 100%;
    animation: shimmer 2s ease-in-out infinite;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: transparent;
    border: none;
    outline: none;
}

.hamburger:hover {
    background: var(--bg-secondary);
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 1px;
}

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

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

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

/* Modern Hero Section */
.hero {
    background: var(--bg-gradient-hero);
    color: var(--text-white);
    padding: 140px 0 100px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::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" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(245,158,11,0.1)"/><stop offset="100%" stop-color="rgba(245,158,11,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    background-size: cover;
    opacity: 0.6;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.7;
    color: #e2e8f0;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-gradient-accent);
    color: var(--text-white);
    padding: 16px 32px;
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    background-size: 200% 200%;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    background-position: 100% 100%;
    animation: pulse 0.6s ease-in-out;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 400px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(245, 158, 11, 0.2);
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.hero-card:nth-child(1) {
    animation-delay: 0s;
}

.hero-card:nth-child(2) {
    animation-delay: 1s;
}

.hero-card:nth-child(3) {
    animation-delay: 2s;
    grid-column: 1 / -1;
}

.hero-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    background: rgba(255, 255, 255, 0.15);
    animation: pulse 0.6s ease-in-out;
}

.hero-card:hover i {
    animation: shimmer 1.5s ease-in-out infinite;
    background: linear-gradient(90deg, var(--accent-color), #fbbf24, var(--accent-color));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.hero-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.hero-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Modern Articles Section */
.articles-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.articles-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.articles-section h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 4rem;
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.articles-section h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.article-card:hover::before {
    transform: scaleX(1);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    animation: pulse 0.6s ease-in-out;
}

.article-image {
    height: 220px;
    background: var(--bg-gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.image-overlay i {
    font-size: 3.5rem;
    color: white;
    transition: var(--transition);
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: var(--transition);
}

.article-card:hover .article-image::before {
    transform: translateX(100%);
}

.article-card:hover .image-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.article-card:hover .image-overlay i {
    transform: scale(1.1);
    color: var(--accent-color);
}

.article-content {
    padding: 2rem;
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.date, .category {
    font-size: 0.875rem;
    padding: 4px 12px;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.date {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.category {
    background: var(--accent-gradient);
    color: white;
}

/* Enhanced Read More Button */
.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    padding: 12px 24px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.read-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: var(--transition);
    z-index: -1;
}

.read-more-btn:hover::before {
    left: 0;
}

.read-more-btn:hover {
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: pulse 0.6s ease-in-out;
}

.read-more-btn:hover i {
    transform: translateX(4px);
    animation: shimmer 1s ease-in-out infinite;
}

.read-more-btn i {
    transition: var(--transition);
}

/* Enterprise Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 2rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-modal);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    position: relative;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.modal-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.modal-category {
    background: var(--accent-gradient);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
}

.modal-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    animation: pulse 0.6s ease-in-out;
}

.modal-content {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(90vh - 200px);
}

.modal-content h1 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

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

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

.modal-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
}

.modal-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
}

.modal-body ul, .modal-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

.modal-body blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.modal-btn.primary {
    background: var(--accent-gradient);
    color: var(--text-white);
}

.modal-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    animation: pulse 0.6s ease-in-out;
}

.modal-btn.primary:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* About Preview Section */
.about-preview {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.about-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.secondary-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 16px 32px;
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.secondary-button:hover {
    background: var(--accent-gradient);
    color: var(--text-white);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    animation: pulse 0.6s ease-in-out;
}

/* Ad Section */
.ad-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.ad-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
    pointer-events: none;
}

.ad-container {
    max-width: 728px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ad-container::before {
    content: 'Advertisement';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Responsive Ad Container */
@media (max-width: 768px) {
    .ad-container {
        padding: 1.5rem;
        margin: 0 1rem;
    }
}

/* In-Article Ad Styling */
.ad-section.in-article {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.ad-section.in-article::before {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.ad-container.in-article {
    max-width: 600px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(34, 197, 94, 0.1);
}

.ad-container.in-article::before {
    background: linear-gradient(135deg, #22c55e, #3b82f6);
    content: 'Sponsored Content';
}

/* Top Responsive Ad Styling */
.ad-section.top-responsive {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, #fefefe 0%, #f8fafc 100%);
}

.ad-section.top-responsive::before {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.ad-container.top-responsive {
    max-width: 100%;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(245, 158, 11, 0.1);
    padding: 1.5rem;
}

.ad-container.top-responsive::before {
    background: linear-gradient(135deg, #f59e0b, #ec4899);
    content: 'Top Advertisement';
}

/* Modern Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-section h3 {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    transform: translateX(4px);
    animation: pulse 0.6s ease-in-out;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: var(--accent-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    animation: pulse 0.6s ease-in-out;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* Page Header Styles */
.page-header {
    background: var(--bg-gradient-dark);
    color: var(--text-white);
    padding: 120px 0 80px;
    margin-top: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::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" viewBox="0 0 1000 1000"><defs><radialGradient id="b" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(245,158,11,0.1)"/><stop offset="100%" stop-color="rgba(245,158,11,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23b)"/><circle cx="800" cy="300" r="150" fill="url(%23b)"/><circle cx="400" cy="700" r="120" fill="url(%23b)"/></svg>');
    background-size: cover;
    opacity: 0.6;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.page-content {
    padding: 80px 0;
    background: var(--bg-primary);
}

.page-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}

.page-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.page-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.page-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Contact Form Styles */
.contact-form {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
    animation: pulse 0.6s ease-in-out;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--accent-gradient);
    color: var(--text-white);
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: pulse 0.6s ease-in-out;
}

.submit-btn i {
    font-size: 1.1rem;
}

/* Contact Info Styles */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    animation: pulse 0.6s ease-in-out;
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.contact-item p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-item small {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* About Section Styles */
.about-section {
    margin-bottom: 4rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-item {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    animation: pulse 0.6s ease-in-out;
}

.value-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.value-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

/* Form Validation Styles */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    animation: fadeInUp 0.3s ease;
    font-weight: 500;
}

/* Enhanced Form Focus States */
.form-group.focused label {
    color: var(--accent-color);
}

.form-group.focused input,
.form-group.focused textarea,
.form-group.focused select {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
    animation: pulse 0.6s ease-in-out;
}

/* Checkbox Styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-label input[type="checkbox"]:checked {
    animation: pulse 0.6s ease-in-out;
}

/* Form Row Layout */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Enhanced Button States */
.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.submit-btn:disabled:hover {
    transform: none !important;
    box-shadow: var(--shadow-md);
}

/* Loading Spinner */
.fa-spinner {
    animation: spin 1s linear infinite;
    color: var(--accent-color);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Additional Modern Features */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: pulse 0.6s ease-in-out;
}

/* Loading Animation */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Smooth scrolling for the whole page */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
    animation: pulse 0.6s ease-in-out;
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu .nav-link {
        padding: 1rem 0;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-light);
    }

    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }

    .nav-menu .nav-link:hover {
        background: var(--bg-secondary);
    }

    /* Additional Mobile Optimizations */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-visual {
        grid-template-columns: 1fr;
        max-width: 300px;
        gap: 1rem;
        margin: 0 auto;
    }
    
    .hero-card {
        padding: 1.5rem 1rem;
    }
    
    .hero-card:nth-child(3) {
        grid-column: 1;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-container {
        margin: 1rem;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .modal-content {
        padding: 1.5rem;
    }
    
    .modal-footer {
        padding: 1rem 1.5rem;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .modal-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .nav-container {
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .articles-section h2,
    .about-content h2 {
        font-size: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .cta-button,
    .secondary-button {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .hero-visual {
        max-width: 280px;
    }
    
    .hero-card {
        padding: 1rem;
    }
    
    .hero-card i {
        font-size: 2rem;
    }
    
    .hero-card h3 {
        font-size: 1rem;
    }
    
    .hero-card p {
        font-size: 0.8rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .back-to-top,
    .social-links,
    .cta-button,
    .secondary-button,
    .submit-btn,
    .modal-overlay {
        display: none !important;
    }
    
    .hero,
    .page-header {
        background: white !important;
        color: black !important;
        padding: 2rem 0 !important;
    }
    
    .article-card,
    .contact-item,
    .value-item {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    * {
        animation: none !important;
        transition: none !important;
    }
}