:root {
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-1: #c7d2fe;
    --accent-2: #fbcfe8;
    --accent-3: #ddd6fe;
    --badge-bg: rgba(15, 23, 42, 0.05);
    --badge-border: rgba(15, 23, 42, 0.1);
    --headline-gradient: linear-gradient(135deg, #0f172a 0%, #4f46e5 40%, #db2777 100%);
    --trail-color: 34, 197, 94;
    --toggle-bg: rgba(0, 0, 0, 0.05);
    --toggle-color: #0f172a;
    --badge-text: #0f172a;
}

[data-theme="dark"] {
    --bg-color: #050508;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-1: #6366f1;
    --accent-2: #ec4899;
    --accent-3: #8b5cf6;
    --badge-bg: rgba(255, 255, 255, 0.04);
    --badge-border: rgba(255, 255, 255, 0.1);
    --headline-gradient: linear-gradient(135deg, #ffffff 0%, #a5b4fc 40%, #fbcfe8 100%);
    --trail-color: 34, 197, 94; 
    --toggle-bg: rgba(255, 255, 255, 0.1);
    --toggle-color: #ffffff;
    --badge-text: #e2e8f0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Trail Canvas */
#trail-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 100;
}

/* Theme Toggle */
.theme-toggle-wrapper {
    position: absolute;
    top: 2rem;
    right: 2rem;
    z-index: 200;
}

#theme-toggle {
    background: var(--toggle-bg);
    border: none;
    color: var(--toggle-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background 0.3s ease, transform 0.2s ease, color 0.3s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

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


/* Ambient Background */
.background-ambient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.4;
    transition: opacity 0.5s ease;
}
[data-theme="light"] .background-ambient {
    opacity: 0.6;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 15s ease-in-out infinite alternate;
    transition: background 0.5s ease;
}

.orb-1 {
    width: 45vw;
    height: 45vw;
    background: var(--accent-1);
    top: -20%;
    left: -10%;
}

.orb-2 {
    width: 40vw;
    height: 40vw;
    background: var(--accent-2);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 35vw;
    height: 35vw;
    background: var(--accent-3);
    top: 30%;
    left: 40%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.05); }
}

/* Content */
.content-container {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

/* Badge */
.badge-container {
    animation: fadeInDown 1s ease-out;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--badge-bg);
    border: 1px solid var(--badge-border);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--badge-text);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: background 0.5s, border 0.5s, color 0.5s;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e, 0 0 20px #22c55e;
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

/* Headline */
.main-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.gradient-text {
    background: var(--headline-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: background 0.5s;
}

/* Subtitle */
.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.4s both;
    transition: color 0.5s ease;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 640px) {
    .content-container {
        padding: 1.5rem;
    }
    .orb-1, .orb-2, .orb-3 {
        filter: blur(70px);
    }
    .theme-toggle-wrapper {
        top: 1rem;
        right: 1rem;
    }
}