/* Basic Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif; /* Modern, clear font for body text */
    line-height: 1.6;
    color: #333;
    background-color: #f8fafd; /* Light, slightly cool background */
}

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

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header */
.main-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 15px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-family: 'Share Tech Mono', monospace; /* Techy, lab-like font for logo */
    font-size: 2.2rem; /* Increased base size */
    font-weight: 700;
    letter-spacing: -0.05em; /* Slightly adjust letter spacing */
}

.site-title a {
    color: #007bff; /* clab primary blue */
    text-transform: lowercase; /* Ensure clab part is lowercase */
    display: inline-flex; /* To control alignment of span */
    align-items: baseline; /* Align based on the baseline of the text */
}

.logo-asia {
    color: #ff6b6b; /* Accent color for '.asia' */
    font-size: 1em; /* Make it the same size as 'clab' */
    margin-left: 0.1em; /* Add a small space */
    text-transform: lowercase; /* Ensure asia part is lowercase */
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.main-nav a {
    font-weight: 500;
    color: #555;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-nav a:hover {
    color: #007bff;
}

/* Hero Section */
.hero-section {
    position: relative;
    /* --- MODIFIED LINE HERE --- */
    /* Use your actual background image from the 'images' folder */
    background: url('../images/hero-background.jpg') center center/cover no-repeat;
    /* If you prefer more explicit properties:
    background-image: url('../images/hero-background.jpg');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    */
    /* --- END MODIFIED LINE --- */
    color: #fff;
    padding: 100px 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 550px; /* Slightly taller hero */
}

/* Dark overlay for readability */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5); /* Stronger overlay */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-category {
    display: block;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    color: #add8e6; /* Light blue for contrast */
    font-weight: 500;
}

.hero-title {
    font-family: 'Roboto', sans-serif; /* Keep consistent with body, but bold */
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 25px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-button {
    display: inline-block;
    background-color: #ff6b6b; /* Accent color for button */
    color: #fff;
    padding: 14px 35px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px rgba(255, 107, 107, 0.4);
}

.hero-button:hover {
    background-color: #ff4d4d;
    transform: translateY(-2px);
}


/* REMOVED STYLING FOR CONTENT GRID AND ARTICLE CARDS - as per your provided code */

/* Footer */
.main-footer {
    background-color: #1a2a40; /* Darker, sophisticated blue/grey */
    color: #e0e0e0;
    padding: 35px 0;
    text-align: center;
    font-size: 0.95rem;
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.footer-nav a {
    color: #e0e0e0;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover {
    opacity: 1;
    color: #ffffff;
}

/* Responsive Adjustments for Smaller Screens */
@media (max-width: 767px) {
    .main-header .container {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

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

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

    .main-footer .container {
        flex-direction: column;
        gap: 15px;
    }
}