/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;900&display=swap');

:root {
    --primary-color: #2C3E50;
    --accent-color: #FF9F1C;
    --accent-hover: #FFB347;
    --text-color: #333333;
    --bg-color: #F4F4F4;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    direction: ltr;
    /* English LTR */
}

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

ul {
    list-style: none;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.7);
    /* Semi-transparent white */
    backdrop-filter: blur(10px);
    /* Glassmorphism effect */
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: fixed;
    /* Fixed to stay on top */
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
    /* Smooth slide transition */
}

header.nav-hidden {
    transform: translateY(-100%);
    /* Move up to hide */
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 700;
    color: var(--primary-color);
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.7)), url('../images/hero_background.png') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    padding: 5rem 2rem;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    transition: background 0.3s;
}

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

/* Pagination Buttons */
.btn-secondary {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    transition: background 0.3s;
    cursor: pointer;
    border: none;
}

.btn-secondary:hover {
    background: #34495e;
}

.btn-secondary:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 10px auto;
    border-radius: 2px;
}

/* Cards Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}


.card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    /* Ensure consistent height alignment */
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.card-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.card-meta {
    font-size: 0.8rem;
    color: #999;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Categories Section */
.categories {
    text-align: center;
    margin: 4rem 0;
}

.cat-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.cat-card:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.cat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Lightbox/Modal Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    width: auto;
    height: auto;
    border-radius: 8px;
    overflow: hidden;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    display: block;
    border-radius: 8px;
}

.lightbox-video-container {
    width: 800px;
    max-width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    position: relative;
    height: 0;
    background: #000;
}

.lightbox-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: var(--accent-color);
}

/* Responsive */
/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        /* Allow wrapping */
    }

    .nav-links {
        display: none;
        /* Hide via JS toggle */
        width: 100%;
        flex-direction: column;
        text-align: center;
        padding-top: 1rem;
        gap: 1rem;
    }

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

    .menu-toggle {
        display: block;
        /* Show on mobile */
        font-size: 1.8rem;
        color: var(--primary-color);
        cursor: pointer;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .container {
        padding: 1rem;
    }
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none;
        /* Hide on desktop */
    }
}