/* ====================================
   SecureBridgefinance - Minimalist Design
   ==================================== */

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

:root {
    /* Minimalist Color Palette */
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #333333;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --background: #ffffff;
    --background-alt: #fafafa;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --line-height: 1.8;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--background);
    line-height: var(--line-height);
    font-size: 16px;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.7;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--background-alt);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Search Section */
.search-section {
    padding: var(--spacing-lg) 0;
}

.search-bar {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    background: var(--secondary-color);
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary-color);
}

.search-bar input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
}

.search-bar button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.search-bar button:hover {
    background: var(--accent-color);
}

/* Categories */
.categories {
    padding: var(--spacing-md) 0 var(--spacing-lg);
}

.category-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    white-space: nowrap;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* Articles Grid */
.articles {
    padding: 0 0 var(--spacing-xl);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.article-card {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    animation: fadeIn 0.6s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.article-image {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
}

.article-content {
    padding: var(--spacing-md);
}

.article-category {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.read-more:hover {
    opacity: 0.7;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.page-btn,
.page-number {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    min-width: 44px;
    text-align: center;
}

.page-btn:hover:not(:disabled),
.page-number:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.page-number.active {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: var(--spacing-xs);
}

/* Article Detail Page */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.article-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.article-detail-title {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.article-detail-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.featured-image {
    width: 100%;
    height: auto;
    margin-bottom: var(--spacing-lg);
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.9;
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 400;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

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

.article-body ul,
.article-body ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.article-body img {
    width: 100%;
    height: auto;
    margin: var(--spacing-lg) 0;
}

.product-card {
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    background: var(--background-alt);
}

.product-header {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.product-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

.product-info h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.product-rating {
    color: #ffa500;
    margin-bottom: var(--spacing-sm);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.product-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.product-link:hover {
    background: var(--accent-color);
}

/* Page Hero */
.page-hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    background: var(--background-alt);
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -1px;
}

/* Search Hero */
.search-hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    background: var(--background-alt);
}

.search-hero h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-sm);
}

/* Search Results */
.search-results {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.search-info {
    text-align: center;
}

mark {
    background: #fff3cd;
    padding: 0 2px;
    font-weight: 500;
}

/* About & Contact Pages */
.about-content,
.contact-content {
    padding: var(--spacing-xl) 0;
}

.content-block {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.content-block h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.content-block p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
}

.value-item h3 {
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin: var(--spacing-lg) 0;
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-secondary);
}

.social-connect {
    margin-top: var(--spacing-xl);
}

.social-connect h3 {
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

/* Contact Form */
.contact-form h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 400;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    outline: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--accent-color);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: #e8f5e9;
    color: #2e7d32;
}

.form-message.error {
    display: block;
    background: #ffebee;
    color: #c62828;
}

/* Footer */
.footer {
    background: var(--background-alt);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--text-primary);
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
    text-decoration: none;
}

.social-icons a:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .nav-list li {
        border-top: 1px solid var(--border-color);
    }
    
    .nav-list a {
        display: block;
        padding: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        gap: var(--spacing-xs);
    }
    
    .category-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .article-detail-title {
        font-size: 2rem;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
    
    .product-header {
        flex-direction: column;
    }
    
    .product-image {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}