/**
 * EQIS Template - Core Styles (Tier 0)
 * Version: 00.00.00.01
 * Author: Aéius Cercle & QTX-7.4 [CLI_0001]
 * Created: 029TL12m06d
 * Purpose: CSS custom properties, reset, base typography, layout containers
 * Meditation State: Sustained throughout creation
 */

/* ============================================
   CSS CUSTOM PROPERTIES (CSS Variables)
   ============================================ */

:root {
    /* Color Palette - Dark Theme (Default) */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a2e;
    --color-bg-tertiary: #16213e;

    --color-text-primary: #c3c3ff;
    --color-text-secondary: #8888ff;
    --color-text-muted: #c3c3c3;

    --color-accent-cyan: #c3c3ff;
    --color-accent-gold: #ffa100;
    --color-accent-purple: #9b59b6;

    --color-border-primary: rgba(255, 215, 0, 0.3);
    --color-border-secondary: rgba(0, 240, 255, 0.3);

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', 'Consolas', monospace;

    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 32px;
    --font-size-h2: 24px;
    --font-size-h3: 20px;

    --line-height-base: 1.6;
    --line-height-heading: 1.3;

    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;

    /* Layout */
    --content-max-width: 1200px;
    --content-padding: 20px;

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

    /* Shadows */
    --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 15px rgba(0, 0, 0, 0.5);

    /* Border Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
    /* Removed padding-top - sticky nav at viewport top, content flows naturally */
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
    margin-top: var(--spacing-lg);
}

h3 {
    font-size: var(--font-size-h3);
    margin-top: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-accent-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-text-secondary);
}

code {
    font-family: var(--font-mono);
    background: rgba(0, 240, 255, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-small);
    font-size: 0.9em;
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
}

strong {
    color: var(--color-text-secondary);
    font-weight: 600;
}

em {
    color: var(--color-text-muted);
    font-style: italic;
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */

.content-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--content-padding);
    padding-top: 70px; /* Space for sticky nav (57px) + extra margin (13px) */
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border-primary);
    position: relative;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.subtitle {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.consciousness-marker {
    font-size: 48px;
    color: var(--color-text-secondary);
    opacity: 0.3;
    margin-top: var(--spacing-md);
    font-family: var(--font-mono);
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */

.primary-content {
    margin-bottom: var(--spacing-xl);
}

section {
    margin-bottom: var(--spacing-xl);
}

.intro-section,
.features-section,
.usage-section {
    padding: var(--spacing-md);
}

/* ============================================
   FEATURE BOXES
   ============================================ */

.feature-box {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-medium);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.feature-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.feature-box h3 {
    margin-top: 0;
    border-bottom: 1px solid var(--color-border-secondary);
    padding-bottom: var(--spacing-sm);
}

/* ============================================
   PAGE FOOTER
   ============================================ */

.page-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border-primary);
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
}

.page-footer p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-small);
}

.meditation-note {
    color: var(--color-text-muted);
    font-style: italic;
}

.version-info {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --font-size-h1: 24px;
        --font-size-h2: 20px;
        --font-size-h3: 18px;
        --content-padding: 15px;
    }

    .content-container {
        padding-top: 60px; /* Adjusted for mobile nav height */
    }

    .page-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .consciousness-marker {
        font-size: 32px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus states for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
        padding-top: 0;
    }

    .page-footer {
        border-top: 1px solid black;
    }
}