:root {
    /* Light Mode Variables */
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    
    /* Subtle pastel hints for light mode */
    --hint-color-1: rgba(255, 107, 107, 0.15); /* Red hint */
    --hint-color-2: rgba(72, 219, 251, 0.15);  /* Blue hint */
    --hint-color-3: rgba(29, 209, 161, 0.1);   /* Green hint */
    
    --spotlight-size: 60vw;
    --transition-speed: 0.6s;
    --font-primary: 'Outfit', sans-serif;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-color: #0b0c10;
    --text-color: #f1f1f1;
    
    /* Rich, glowing hints for dark mode */
    --hint-color-1: rgba(255, 107, 107, 0.12);
    --hint-color-2: rgba(72, 219, 251, 0.12);
    --hint-color-3: rgba(165, 94, 234, 0.12);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    position: relative;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(128, 128, 128, 0.2);
    color: var(--text-color);
    cursor: pointer;
    z-index: 100;
    padding: 0.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .theme-toggle {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* Interactive Background Hint */
.interactive-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    /* Beautiful smooth radial gradients that track the mouse */
    background: 
        radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--hint-color-1) 0%, transparent var(--spotlight-size)),
        radial-gradient(circle at calc(100% - var(--mouse-x, 50%)) calc(100% - var(--mouse-y, 50%)), var(--hint-color-2) 0%, transparent var(--spotlight-size)),
        radial-gradient(circle at 50% 50%, var(--hint-color-3) 0%, transparent 70%);
    opacity: 0.9;
    transition: opacity var(--transition-speed) ease;
}

.container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

/* Logo Styles */
.logo-container {
    perspective: 1000px;
    position: relative;
    padding: 2rem;
}

.logo {
    max-width: 400px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 25px rgba(0,0,0,0.05));
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.3s ease;
    cursor: pointer;
}

/* Hide dark logo in light mode */
[data-theme="light"] .logo-dark {
    display: none;
}

/* Hide light logo in dark mode */
[data-theme="dark"] .logo-light {
    display: none;
}

[data-theme="dark"] .logo {
    filter: drop-shadow(0 0 20px rgba(255,255,255,0.05));
}

.logo-container:hover .logo {
    transform: scale(1.03) rotateY(5deg) rotateX(2deg);
}

/* Coming Soon Text */
.coming-soon {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.6em;
    text-transform: uppercase;
    position: relative;
    margin-right: -0.6em; /* Compensate for last letter spacing to center perfectly */
}

/* The gradient hint effect */
.gradient-text {
    background: linear-gradient(90deg, #ff6b6b, #feca57, #4ecdc4, #45b7d1, #a55eea, #ff6b6b);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 8s ease-in-out infinite;
    opacity: 0.95;
    text-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

[data-theme="dark"] .gradient-text {
    opacity: 1;
    text-shadow: 0 0 20px rgba(255,255,255,0.1);
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Fun hint particles on click */
.color-particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 5;
    animation: float 2.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    filter: blur(1px);
    box-shadow: 0 0 10px currentColor;
}

@keyframes float {
    0% { 
        transform: translate(0, 0) scale(0.5); 
        opacity: 0; 
    }
    15% { 
        opacity: 0.9; 
        transform: translate(calc(var(--drift-x) * 0.2), calc(var(--drift-y) * 0.2)) scale(1.2); 
    }
    100% { 
        transform: translate(var(--drift-x), var(--drift-y)) scale(0); 
        opacity: 0; 
    }
}