/* Premium, clean styling */
:root {
    --primary-color: #1a3b5d;
    --primary-dark: #0f2540;
    --secondary-color: #d4af37; /* Gold */
    --secondary-dark: #b8960b;
    --accent-green: #2e7d32;
    --text-color: #333;
    --text-light: #6c757d;
    --bg-color: #f8f9fa;
    --bg-light: #ffffff;
    --border-color: #e9ecef;
    --premium-gradient: linear-gradient(135deg, #1a3b5d 0%, #2a5b8d 100%);
    --gold-gradient: linear-gradient(135deg, #d4af37 0%, #f0b429 100%);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 60px 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

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

.nav-links li {
    margin-left: 30px;
    margin-bottom: 0;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.blog-hero {
    background: var(--premium-gradient);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1499750310107-5fef28a66643?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.blog-hero .container {
    position: relative;
    z-index: 1;
}

.blog-hero h1 {
    font-size: 3rem;
    margin-bottom: 25px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.blog-hero p {
    font-size: 1.2rem;
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.blog-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.blog-image {
    height: 220px;
    background-color: #e9ecef;
    background-size: cover;
    background-position: center;
    position: relative;
}

.blog-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

.blog-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    font-size: 0.9rem;
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.blog-author {
    display: flex;
    align-items: center;
}

.blog-author-image {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--primary-color);
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
}

.blog-date {
    font-style: italic;
}

.blog-footer {
    padding: 0 25px 25px;
}

/* Full Blog Post */
.blog-post {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    margin-bottom: 60px;
}

.blog-post-header {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.blog-post-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 70%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    z-index: 1;
}

.blog-post-title {
    position: relative;
    z-index: 2;
    color: white;
    padding: 40px;
    width: 100%;
}

.blog-post-title h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 15px;
    line-height: 1.3;
}

.blog-post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.blog-post-author {
    display: flex;
    align-items: center;
}

.blog-post-author-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.blog-post-content {
    padding: 40px;
}

.blog-post-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.blog-post-content h3 {
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.blog-post-content ul {
    margin-bottom: 30px;
}

.blog-post-content li {
    margin-bottom: 10px;
}

.blog-post-image {
    width: 100%;
    border-radius: 8px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Blog Navigation */
.blog-navigation {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-title p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Button */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    color: white;
}

.btn-gold {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
}

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

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

/* Newsletter */
.newsletter {
    background-color: var(--primary-color);
    padding: 60px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.newsletter .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.newsletter h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 20px;
}

.newsletter p {
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex-grow: 1;
    padding: 15px;
    border: none;
    border-radius: 6px 0 0 6px;
    font-size: 1rem;
}

.newsletter-button {
    padding: 0 25px;
    background-color: var(--secondary-color);
    color: var(--primary-dark);
    border: none;
    border-radius: 0 6px 6px 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-button:hover {
    background-color: var(--secondary-dark);
}

/* Footer */
footer {
    background-color: #0f2540;
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links {
    list-style: none;
    margin-left: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .blog-hero h1 {
        font-size: 2.5rem;
    }
    
    .blog-post-title h2 {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 10;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-post-header {
        height: 300px;
    }

    .blog-post-title {
        padding: 20px;
    }

    .blog-post-content {
        padding: 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        border-radius: 6px;
        margin-bottom: 10px;
    }

    .newsletter-button {
        border-radius: 6px;
        padding: 15px;
    }
}

@media (max-width: 576px) {
    .blog-hero h1 {
        font-size: 2rem;
    }
    
    .blog-hero p {
        font-size: 1rem;
    }
    
    .blog-post-title h2 {
        font-size: 1.8rem;
    }
    
    .blog-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }

}