/* Custom Design System Tokens */
:root {
    /* Color Palette */
    --color-void: #030008;
    
    --color-primary: #8b5cf6; /* Electric Purple */
    --color-primary-glow: rgba(139, 92, 246, 0.35);
    
    --color-secondary: #06b6d4; /* Neon Cyan */
    --color-secondary-glow: rgba(6, 182, 212, 0.35);
    
    --color-accent: #ec4899; /* Coral Pink */

    --color-text-bright: #ffffff;
    --color-text-main: #e2e8f0;
    --color-text-muted: #94a3b8;

    /* Glassmorphism Styles */
    --bg-glass: rgba(13, 9, 24, 0.45);
    --border-glass: rgba(255, 255, 255, 0.07);
    --shadow-glass: 0 24px 80px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.1);

    /* Fonts */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius-lg: 24px;
    
    /* Transitions */
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--color-void);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow: hidden; /* Prevent scrolling since it's a single card design */
}

/* Particle Canvas Backdrop */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: auto;
}

/* Glowing Background Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.18;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
}

.orb-1 {
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--color-primary) 0%, rgba(0,0,0,0) 70%);
    animation: floatOrb1 25s infinite alternate ease-in-out;
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--color-secondary) 0%, rgba(0,0,0,0) 70%);
    animation: floatOrb2 20s infinite alternate ease-in-out;
}

@keyframes floatOrb1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10vw, 5vh) scale(1.15); }
}

@keyframes floatOrb2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-8vw, -8vh) scale(1.1); }
}

/* Page Layout Wrapper */
.page-wrapper {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    height: 100vh;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Main Section */
.main-content {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-section {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

/* Hero Glassmorphic Card */
.hero-card {
    position: relative;
    width: 100%;
    max-width: 640px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glass);
    padding: 4rem 3.5rem;
    text-align: center;
    overflow: hidden;
    backdrop-filter: blur(18px);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.hero-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

/* Internal card background glow effect */
.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.04) 0%, rgba(0,0,0,0) 60%);
    pointer-events: none;
    z-index: 0;
}

/* Card content */
.hero-card > * {
    position: relative;
    z-index: 1;
}

.logo-symbol-wrapper {
    margin-bottom: 2rem;
}

.logo-symbol {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    animation: logoPulse 4s infinite ease-in-out;
}

.main-heading {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-bright);
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.sub-heading {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.7;
}

/* Animations */
@keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 2px rgba(6, 182, 212, 0.2)); }
    50% { filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.6)); }
}

/* Media Queries for Responsiveness */
@media (max-width: 600px) {
    .page-wrapper {
        padding: 1.5rem 1rem;
    }
    
    .hero-card {
        padding: 3rem 2rem;
    }
    
    .main-heading {
        font-size: 2.75rem;
    }
    
    .sub-heading {
        font-size: 0.95rem;
    }
}