/* RESET AND BASE CONFIGURATION */

/* Universal reset for consistent cross-browser rendering */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties - Design System Variables */
:root {
    /* Color Palette */
    --bg-primary: #f5f2e8;        /* Warm cream background */
    --text-primary: #5a6c7d;      /* Professional blue-gray text */
    --accent-blue: #4e86ee;       /* Interactive blue accent */
    --accent-orange: #ee8e4e;     /* Warm orange accent */
    --text-light: #6b7280;        /* Muted text for secondary content */
    
    /* Animation Timing */
    --transition-fast: 0.3s ease-out;
    --transition-smooth: 0.4s ease-out;
    --transition-slow: 0.8s ease-out;
    
    /* Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;
    
    /* Typography Scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Z-Index Scale */
    --z-background: -1;
    --z-base: 1;
    --z-elevated: 10;
    --z-overlay: 100;
    --z-modal: 1000;
    --z-tooltip: 9999;
}

/* BODY AND BACKGROUND SYSTEM */

/* Primary body styling with textured background pattern */
body {
    font-family: 'Georgia', serif;
    background-color: var(--bg-primary);
    /* Subtle dot pattern overlay for texture */
    background-image: radial-gradient(circle, #d1c7b8 1px, transparent 1px);
    background-size: 20px 20px;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Smooth transitions for page transitions */
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

/* Dynamic background state - hides static pattern when interactive canvas is active */
body.canvas-active {
    background-image: none;
}

/* Page transition states for smooth navigation */
body.page-transitioning {
    opacity: 0;
    transform: translateY(-20px);
}

/* INTERACTIVE CANVAS SYSTEM */

/* Full-screen interactive background canvas */
#interactive-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;  /* Allows click-through to page content */
    z-index: var(--z-background);
}

/* KEYFRAME ANIMATIONS */

/* Entrance animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scale animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* Line and shape animations */
@keyframes expandLine {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@keyframes expandLineVertical {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

/* Exit animations */
@keyframes fadeOutUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* Rotation animations */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0deg);
    }
}

/* Bounce animations */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide animations */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes pulseScale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* SOCIAL LINKS PANEL SYSTEM */

/* Base positioning for side-mounted social link panels */
.social-links-left,
.social-links-right {
    position: fixed;
    bottom: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: var(--z-overlay);
}

/* Panel positioning variants */
.social-links-left {
    left: var(--spacing-2xl);
    text-align: left;
}

.social-links-right {
    right: var(--spacing-2xl);
    text-align: right;
}

/* SOCIAL LINK STYLING */

/* Base link appearance for both panels */
.social-links-left a,
.social-links-right a {
    position: relative;
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    opacity: 0; /* Hidden initially for entrance animation */
    border-radius: var(--radius-sm);
}

/* STAGGERED ENTRANCE ANIMATIONS */

/* Right panel - staggered entrance with increasing delays */
.social-links-right a:nth-last-child(1) { animation: fadeInRight var(--transition-slow) 1.2s forwards; }
.social-links-right a:nth-last-child(2) { animation: fadeInRight var(--transition-slow) 1.4s forwards; }
.social-links-right a:nth-last-child(3) { animation: fadeInRight var(--transition-slow) 1.6s forwards; }
.social-links-right a:nth-last-child(4) { animation: fadeInRight var(--transition-slow) 1.8s forwards; }
.social-links-right a:nth-last-child(5) { animation: fadeInRight var(--transition-slow) 2.0s forwards; }

/* Left panel - staggered entrance with increasing delays */
.social-links-left a:nth-last-child(1) { animation: fadeInLeft var(--transition-slow) 1.2s forwards; }
.social-links-left a:nth-last-child(2) { animation: fadeInLeft var(--transition-slow) 1.4s forwards; }
.social-links-left a:nth-last-child(3) { animation: fadeInLeft var(--transition-slow) 1.6s forwards; }
.social-links-left a:nth-last-child(4) { animation: fadeInLeft var(--transition-slow) 1.8s forwards; }
.social-links-left a:nth-last-child(5) { animation: fadeInLeft var(--transition-slow) 2.0s forwards; }

/* INTERACTIVE HOVER EFFECTS */

/* Left panel hover effects */
.social-links-left a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(238, 142, 78, 0.19);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: var(--z-background);
}

.social-links-left a:hover {
    color: var(--text-light);
}

.social-links-left a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Right panel hover effects */
.social-links-right a::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 110%;
    height: 100%;
    background: rgba(238, 142, 78, 0.19);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateX(10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: var(--z-background);
}

.social-links-right a:hover {
    color: var(--text-light);
}

.social-links-right a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* PAGE TRANSITION SYSTEM */

/* Global transition overlay for smooth page changes */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    z-index: var(--z-tooltip);
    pointer-events: none;
}

/* Active transition state */
.page-transition-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* COMMON COMPONENTS */

/* Separator line element */
.separator {
    height: 1px;
    background-color: var(--text-light);
    opacity: 0.3;
    margin: var(--spacing-xl) 0;
    transform-origin: left;
    animation: expandLine 0.8s ease-out forwards;
}

/* Main title styling */
.title {
    font-size: var(--font-size-5xl);
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
    line-height: 1.2;
}

/* NAVIGATION COMPONENTS */

/* Back navigation positioning */
.back-nav {
    position: fixed;
    top: var(--spacing-3xl);
    left: var(--spacing-2xl);
    z-index: var(--z-overlay);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

/* Back link styling with gradient hover effect */
.back-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
    display: inline-block;
    border-radius: var(--radius-sm);
}

.back-link::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -6px;
    right: -4px;
    bottom: -2px;
    background: linear-gradient(to left, rgba(238, 142, 78, 0.4), rgba(238, 142, 78, 0.2));
    opacity: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease-in-out, opacity 0.5s ease-in-out;
    z-index: var(--z-background);
    border-radius: var(--radius-sm);
}

.back-link:hover::before {
    opacity: 1;
    transform: scaleX(1);
    transform-origin: right;
}

/* Legal link with enhanced hover effects */
.legal-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs);
    display: inline-block;
    z-index: var(--z-base);
    border-radius: var(--radius-sm);
}

.legal-link::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -6px;
    right: -4px;
    bottom: -2px;
    background: linear-gradient(to left, rgba(238, 142, 78, 0.5), rgba(238, 142, 78, 0.3));
    opacity: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
    z-index: var(--z-background);
    border-radius: var(--radius-sm);
}

.legal-link::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -6px;
    width: 2px;
    bottom: -2px;
    background-color: rgba(238, 142, 78, 0.7);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: var(--z-background);
    border-radius: 1px;
}

.legal-link:hover::before {
    opacity: 1;
    transform: scaleX(1);
    transform-origin: left;
}

.legal-link:hover::after {
    opacity: 1;
}

/* LAYOUT COMPONENTS */

/* Footer section */
.footer {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg) 0;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.2s forwards;
}

/* External link styling */
.external-link {
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
    border-radius: var(--radius-sm);
}

.external-link:hover {
    color: var(--accent-orange);
}

/* UTILITY CLASSES */

/* Animation utilities */
.animate-fadeInUp { animation: fadeInUp var(--transition-slow) forwards; }
.animate-fadeInDown { animation: fadeInDown var(--transition-slow) forwards; }
.animate-fadeInLeft { animation: fadeInLeft var(--transition-slow) forwards; }
.animate-fadeInRight { animation: fadeInRight var(--transition-slow) forwards; }
.animate-scaleIn { animation: scaleIn var(--transition-smooth) forwards; }
.animate-bounceIn { animation: bounceIn var(--transition-slow) forwards; }
.animate-rotateIn { animation: rotateIn var(--transition-slow) forwards; }
.animate-slideInLeft { animation: slideInFromLeft var(--transition-slow) forwards; }
.animate-slideInRight { animation: slideInFromRight var(--transition-slow) forwards; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-pulseScale { animation: pulseScale 2s infinite; }

/* Delay utilities */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }
.delay-700 { animation-delay: 0.7s; }
.delay-1000 { animation-delay: 1s; }

/* Spacing utilities */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

/* Text utilities */
.text-primary { color: var(--text-primary); }
.text-light { color: var(--text-light); }
.text-accent-blue { color: var(--accent-blue); }
.text-accent-orange { color: var(--accent-orange); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }

/* Background utilities */
.bg-primary { background-color: var(--bg-primary); }
.bg-accent-orange { background-color: var(--accent-orange); }
.bg-accent-blue { background-color: var(--accent-blue); }

/* Border utilities */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* Shadow utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Opacity utilities */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Transform utilities */
.transform { transform: translateZ(0); }
.scale-90 { transform: scale(0.9); }
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }

/* Transition utilities */
.transition-fast { transition-duration: var(--transition-fast); }
.transition-smooth { transition-duration: var(--transition-smooth); }
.transition-slow { transition-duration: var(--transition-slow); }

/* Visibility utilities */
.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }