/* ===== Global Styles ===== */
:root {
    /* Primary palette */
    --primary-color: #DC2626;  
    --secondary-color: #4a4a4a;

    /* Text and heading colors for normal mode */
    --heading-color: #1a1a1a; 
    --text-color: #444444;    

    /* Backgrounds */
    --bg-color: #ffffff; 
    --bg-light: #f9f9f9;
    --bg-dark: #1a1a1a;

    /* Footer or other darker sections in normal mode */
    --footer-bg-color: #2c3e50;

    /* Icon or "dark" elements (e.g., hamburger lines) in normal mode */
    --icon-dark-color: #2c3e50;

    /* Accent / highlight */
    --accent-color: #EF4444; 

    /* Borders, cards, shadows */
    --border-color: #e0e0e0;
    --card-bg: #f9f9f9;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);

    /* Transition */
    --transition: all 0.3s ease;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Typography */
    --font-main: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
}

/* ===== Dark Mode Variables ===== */
body.dark-mode {
    --bg-color: #121212;         
    --heading-color: #f5f5f5;  
    --text-color: #cccccc;     

    --card-bg: #1e1e1e;        
    --border-color: #333333;   
    --secondary-color: #bbbbbb;

    --footer-bg-color: #222222;  
    --icon-dark-color: #f5f5f5;  
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 var(--spacing-sm);
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

/* ===== Header Styles ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--primary-color);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 2rem;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
}

.logo a:hover {
    text-decoration: none;
}

.menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.menu li {
    margin-left: 1.5rem;
}

.menu a {
    color: #ecf0f1;
    font-weight: 500;
    position: relative;
}

.menu a:hover {
    color: #ffffff;
    text-decoration: none;
}

/* Navigation Link Styles for Header */
header .nav-link {
    color: #ecf0f1;
    font-weight: 500;
    padding: 5px 0;
    transition: var(--transition);
    position: relative;
}

header .nav-link:hover,
header .nav-link.active {
    color: #ffffff;
}

header .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ffffff;
    transition: var(--transition);
}

header .nav-link.active::after,
header .nav-link:hover::after {
    width: 100%;
}

/* ===== Main Content Styles ===== */
main {
    min-height: calc(100vh - 150px);
    padding: var(--spacing-xl) 0;
    margin-top: 80px;
}

.page-content, .page-list, .home-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

h1 {
    color: var(--heading-color);
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

/* ===== Hero Section ===== */
.hero {
    padding-top: 150px;
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    background: 
      linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), 
      url('../images/hero-bg.jpg') center / cover fixed;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

body.dark-mode .hero {
    background: 
      linear-gradient(rgba(26, 26, 26, 0.8), rgba(26, 26, 26, 0.8)), 
      url('../images/hero-bg.jpg') center / cover fixed;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--heading-color);
}

.hero p {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer Styles ===== */
.footer {
    background-color: var(--footer-bg-color);
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer .logo {
    margin-bottom: 20px;
}

.footer .logo a {
    color: #fff;
}

.footer p {
    margin-bottom: 20px;
    color: #aaa;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: #ddd;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.copyright {
    margin-top: var(--spacing-md);
    color: #aaa;
    font-size: 0.9rem;
}

/* ===== Page Items ===== */
.page-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

/* ===== Responsive Styles ===== */
@media (max-width: 991px) {
    .logo a img {
        max-height: 50px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-sm);
    }
    
    .menu {
        margin-top: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .menu li {
        margin: 0.5rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    nav {
        height: 70px;
    }
}

@media (max-width: 480px) {
    .logo a img {
        max-height: 35px;
    }
    
    nav {
        height: 60px;
    }
}