/* ==================== BLOG PAGE - RESPONSIVE ==================== */

body {
    font-family: 'Poppins', sans-serif;
    background: #f6f7fb;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: auto;
    padding: 0 15px;
}

h1 {
    text-align: center;
    margin: 50px 0 40px;
    font-size: 2.2rem;
    color: #0b1c3d;
}

/* BLOG GRID - Mobile First */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.blog-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #0b1c3d;
    line-height: 1.4;
}

.blog-card p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.read-more {
    text-decoration: none;
    color: #f6a623;
    font-weight: 600;
    align-self: flex-start;
    margin-top: auto;
}

.read-more:hover {
    color: #e6951f;
}

/* Blog Detail Page (blog-1.html, blog-2.html...) */
.blog-content {
    background: white;
    padding: 40px;
    border-radius: 15px;
    margin: 40px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.blog-content h1 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 25px;
    text-align: left;
}

.blog-content p {
    font-size: 1.05rem;
    margin-bottom: 18px;
    color: #555;
}

.highlight {
    color: #f6a623;
    font-weight: 600;
}
/* ==================== RESPONSIVE IMPROVEMENTS ==================== */

/* Mobile nhỏ (dưới 576px) */
@media (max-width: 575px) {
    .blog-grid {
        grid-template-columns: 1fr;     /* Chỉ 1 cột trên mobile nhỏ */
        gap: 20px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin: 40px 0 30px;
    }
    
    .blog-card {
        padding: 20px;
    }
    
    .blog-card h3 {
        font-size: 1.15rem;
    }
}

/* Tablet (576px - 992px) */
@media (min-width: 576px) and (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 22px;
    }
}

/* Navbar mobile */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }
    
    .menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .menu a {
        margin: 0 6px;
        font-size: 15px;
    }
}