/* resources.css */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    font-family: var(--font-family-sans);
    background: var(--color-background);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

header {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header h1 {
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: var(--font-size-h2);
    font-weight: 100; /* Ensure consistent thickness */
    color: var(--color-text-light);
}

header nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-top: var(--spacing-sm);
}

header nav ul li {
    margin-right: var(--spacing-md);
}

header nav ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-family: var(--font-family-futuristic);
    font-weight: 700; /* Ensure consistent thickness */
}

header nav ul li a:hover, header nav ul li a:focus {
    color: var(--color-accent);
}

#hero {
    position: relative;
    width: 100%;
    height: 82vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

#hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

.hero-text {
    color: var(--color-text-light);
    text-shadow: 0 0 10px var(--color-accent);
}

.hero-text h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 5em;
    margin: 0;
    animation: glow 1.5s ease-in-out infinite alternate;
    color: var(--color-text-light); /* Ensuring the text is white */
}

main {
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xxl);
    color: var(--color-text-primary);
    text-align: center; /* Center align text */
}

section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.0);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 700; /* Ensure consistent thickness */
}

section#beginners-guide {
    background: var(--color-background);
}

section#advanced-topics {
    background: rgba(245, 245, 245, 0.9);
}

section#case-studies {
    background: rgba(235, 235, 235, 0.9);
}

.article-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

article {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

article:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

article h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: var(--font-size-h3);
    color: var(--color-primary);
}

article h3 a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

article h3 a:hover, article h3 a:focus {
    color: var(--color-accent);
}

article p {
    font-family: 'Roboto', sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    margin: 0 auto;
    max-width: 800px; /* Limit the width of paragraphs */
}

footer {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-md);
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: var(--shadow-md);
}

footer p {
    margin: 0;
}

footer a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover, footer a:focus {
    color: var(--color-accent);
}

/* Variables */
:root {
    --color-primary: #1A1A2E;        /* Deep Navy Blue */
    --color-secondary: #00BFFF;      /* Bright Cyan */
    --color-accent: #1B204C;         /* Dark Blue */
    --color-highlight: #FF5733;      /* Vivid Orange */
    --color-background: #F5F5F5;     /* Soft White */
    --color-border: #D3D3D3;         /* Light Gray */
    --color-text-primary: #333333;   /* Dark Charcoal */
    --color-text-secondary: #666666; /* Medium Gray */
    --color-text-light: #FFFFFF;     /* White */
    --gradient-primary: linear-gradient(135deg, #1A1A2E 0%, #00BFFF 100%);
    --gradient-secondary: linear-gradient(135deg, #00BFFF 0%, #1B204C 100%);
    
    --font-family-sans: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-family-serif: 'Georgia', serif;
    --font-family-futuristic: 'Orbitron', sans-serif;
    
    --font-size-base: 16px;
    --font-size-h1: 2.5em;
    --font-size-h2: 2em;
    --font-size-h3: 1.75em;
    --font-size-h4: 1.5em;
    --font-size-h5: 1.25em;
    --font-size-h6: 1em;
    
    --line-height-base: 1.5;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 40px;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.4s ease-in-out;
    --transition-slow: 0.6s ease-in-out;
}

/* Animations */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes slideUp {
    0% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes glow {
    0% { text-shadow: 0 0 5px var(--color-accent); }
    100% { text-shadow: 0 0 20px var(--color-accent); }
}