:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5aa0;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --background-light: #f9fafb;
    --gradient-primary: linear-gradient(135deg, #1a365d 0%, #2c5aa0 100%);
    --gradient-secondary: linear-gradient(135deg, #2c5aa0 0%, #3b82f6 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

.container-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-primary {
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.brand-logo img {
    border-radius: 50%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

.hero-banner {
    position: relative;
    height: 600px;
    background: url('images/1.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 54, 93, 0.75);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 35px;
    opacity: 0.95;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.features-section {
    padding: 100px 0;
    background: var(--white);
}

.section-heading {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--background-light);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.stats-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

.chart-section {
    padding: 100px 0;
    background: var(--background-light);
}

.chart-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.chart-disclaimer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.whitepaper-preview {
    padding: 100px 0;
    background: var(--white);
}

.preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.preview-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.preview-text p {
    margin-bottom: 25px;
    color: var(--text-light);
    line-height: 1.8;
}

.preview-list {
    list-style: none;
    margin-bottom: 35px;
}

.preview-list li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
}

.preview-list i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.preview-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.recent-posts {
    padding: 100px 0;
    background: var(--background-light);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.post-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.post-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.post-content {
    padding: 30px;
}

.post-content h3 {
    margin-bottom: 15px;
}

.post-content h3 a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

.post-content h3 a:hover {
    color: var(--secondary-color);
}

.post-excerpt {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    gap: 12px;
}

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

.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.95;
}

.main-footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-column p {
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 20px;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    opacity: 1;
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.contact-info i {
    margin-top: 3px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    opacity: 0.9;
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.7;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 25px 20px;
    z-index: 9999;
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cookie-text h4 {
    margin-bottom: 8px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cookie-text p {
    color: var(--text-light);
    margin-bottom: 5px;
    line-height: 1.6;
}

.cookie-text a {
    color: var(--secondary-color);
    text-decoration: none;
}

.cookie-actions {
    display: flex;
    gap: 15px;
}

.btn-accept,
.btn-decline {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-accept {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-accept:hover {
    background: var(--primary-color);
}

.btn-decline {
    background: var(--background-light);
    color: var(--text-dark);
}

.btn-decline:hover {
    background: #e5e7eb;
}

.page-hero {
    padding: 100px 0 60px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.blog-post-single .post-hero {
    position: relative;
    height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.post-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26,54,93,0.95), rgba(26,54,93,0.3));
}

.post-hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 20px;
}

.post-category-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.post-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.post-meta-info {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
    color: var(--white);
    opacity: 0.9;
}

.post-meta-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-content-wrapper {
    padding: 80px 0;
    background: var(--background-light);
}

.post-content-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
}

.post-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.sidebar-widget h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.share-btn {
    padding: 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.share-btn.facebook { background: #3b5998; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.email { background: #6b7280; }

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

.toc-list {
    list-style: none;
}

.toc-list li {
    margin-bottom: 12px;
}

.toc-list a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
}

.toc-list a:hover {
    background: var(--background-light);
    color: var(--secondary-color);
    padding-left: 20px;
}

.post-main-content {
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.lead-paragraph {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 500;
}

.post-main-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 50px 0 25px;
}

.post-main-content h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 35px 0 20px;
}

.post-main-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-dark);
}

.styled-list {
    margin: 25px 0;
    padding-left: 0;
    list-style: none;
}

.styled-list li {
    padding: 12px 0 12px 30px;
    position: relative;
    line-height: 1.7;
}

.styled-list li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.content-highlight {
    background: var(--background-light);
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid var(--secondary-color);
}

.content-highlight h3 {
    margin-top: 0;
}

.content-callout {
    display: flex;
    gap: 20px;
    background: #eff6ff;
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid #3b82f6;
}

.content-callout i {
    font-size: 2rem;
    color: #3b82f6;
    flex-shrink: 0;
}

.content-callout h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.post-quote {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 40px;
    border-radius: 12px;
    margin: 40px 0;
    font-size: 1.2rem;
    font-style: italic;
    position: relative;
}

.post-quote::before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    top: 10px;
    left: 20px;
    opacity: 0.3;
}

.post-quote p {
    margin: 0 0 15px;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.post-quote cite {
    display: block;
    text-align: right;
    font-size: 1rem;
    opacity: 0.9;
}

.post-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid var(--background-light);
}

.post-tags {
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.tag-label {
    font-weight: 600;
    color: var(--primary-color);
}

.post-tag {
    padding: 8px 20px;
    background: var(--background-light);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.post-tag:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.nav-prev,
.nav-next {
    flex: 1;
    padding: 20px 30px;
    background: var(--background-light);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.nav-prev {
    justify-content: flex-start;
}

.nav-next {
    justify-content: flex-end;
}

.nav-prev:hover,
.nav-next:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.related-posts {
    padding: 100px 0;
    background: var(--white);
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 30px 0;
    }

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

    .mobile-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .preview-content {
        grid-template-columns: 1fr;
    }

    .post-content-grid {
        grid-template-columns: 1fr;
    }

    .post-sidebar {
        position: static;
    }

    .post-main-content {
        padding: 30px 20px;
    }

    .cookie-content {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-heading {
        font-size: 2rem;
    }

    .post-navigation {
        flex-direction: column;
    }
}