/* Copyright © 2025 Nícolas Ávila - All Rights Reserved */
/* Avila Inc. Visual Identity - Crypto Security Documentation */

:root {
    /* Light Theme Colors */
    --primary-orange: #FF8C00;
    --primary-yellow: #FFD700;
    --primary-white: #FFFFFF;
    --bg-light: #FAFAFA;
    --text-light: #1A1A1A;
    --card-light: #FFFFFF;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --border-light: #E0E0E0;

    /* Dark Theme Colors */
    --dark-orange: #FF8C00;
    --dark-yellow: #FFD700;
    --dark-space-gray: #1C1C1E;
    --bg-dark: #0D0D0F;
    --text-dark: #F5F5F5;
    --card-dark: #1C1C1E;
    --shadow-dark: rgba(255, 140, 0, 0.15);
    --border-dark: #2C2C2E;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* Light Theme (Default) */
[data-theme="light"] {
    --bg-primary: var(--bg-light);
    --bg-secondary: var(--card-light);
    --text-primary: var(--text-light);
    --text-secondary: #666666;
    --border-color: var(--border-light);
    --shadow-color: var(--shadow-light);
    --accent-primary: var(--primary-orange);
    --accent-secondary: var(--primary-yellow);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: var(--bg-dark);
    --bg-secondary: var(--card-dark);
    --text-primary: var(--text-dark);
    --text-secondary: #A0A0A0;
    --border-color: var(--border-dark);
    --shadow-color: var(--shadow-dark);
    --accent-primary: var(--dark-orange);
    --accent-secondary: var(--dark-yellow);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--accent-primary);
    box-shadow: 0 2px 10px var(--shadow-color);
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.language-selector {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.language-selector:hover {
    border-color: var(--accent-primary);
}

.theme-toggle {
    position: relative;
    width: 60px;
    height: 32px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0 4px;
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.theme-icon {
    font-size: 1.2rem;
    transition: opacity var(--transition-fast);
}

[data-theme="light"] .dark-icon {
    opacity: 0;
    position: absolute;
    right: 6px;
}

[data-theme="light"] .light-icon {
    opacity: 1;
    position: absolute;
    left: 6px;
}

[data-theme="dark"] .light-icon {
    opacity: 0;
    position: absolute;
    left: 6px;
}

[data-theme="dark"] .dark-icon {
    opacity: 1;
    position: absolute;
    right: 6px;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(135deg,
            rgba(255, 140, 0, 0.1),
            rgba(255, 215, 0, 0.1));
    border-bottom: 3px solid var(--accent-primary);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-card {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    min-width: 150px;
    transition: transform var(--transition-fast);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Modules Grid */
.modules-grid {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.module-card {
    display: block;
    text-decoration: none;
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.module-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.module-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.module-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.module-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

/* License Section */
.license-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

.license-card {
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.license-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    text-align: center;
    background-color: var(--bg-secondary);
    border-top: 2px solid var(--accent-primary);
    color: var(--text-secondary);
}

.footer p {
    margin: var(--spacing-xs) 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .nav-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}