/* 
 * SANTIS SOUL ENGINE v1.0 (CSS Core)
 * "The site literally breathes."
 */

:root {
    /* --- 1. THE 4-7-8 BREATH RHYTHM --- */
    /* Total Cycle: 19s (4s In, 7s Hold, 8s Out) */
    --breath-cycle: 19s;
    --breath-scale: 1.0;
    --breath-opacity: 0.6;

    /* --- 2. LIQUID LIGHT VARIABLES (Updated by JS) --- */
    --cursor-x: 50vw;
    --cursor-y: 50vh;
    --tilt-x: 0deg;
    --tilt-y: 0deg;

    /* --- 3. MOOD PALETTES --- */
    /* Default: "Deep Relax" (Obsidian & Gold) */
    --soul-bg: #0F0F12;
    --soul-nebula-1: rgba(74, 66, 56, 0.4);
    /* Dark Taupe */
    --soul-nebula-2: rgba(15, 23, 42, 0.6);
    /* Midnight */
    --soul-light: rgba(198, 165, 92, 0.15);
    /* Muted Gold */
    --soul-ray: rgba(255, 255, 255, 0.03);
}

/* --- THE ATMOSPHERE LAYER --- */
.soul-atmosphere {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    /* Behind everything */
    background: var(--soul-bg);
    overflow: hidden;
    pointer-events: none;
    transition: background 2s ease;
}

/* Nebula Mesh (The Breathing Body) */
.soul-nebula {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 50% 50%, var(--soul-nebula-1) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, var(--soul-nebula-2) 0%, transparent 50%);
    filter: blur(80px);
    opacity: var(--breath-opacity);
    transform: scale(var(--breath-scale));
    /* The Breath Animation */
    animation: breathe var(--breath-cycle) infinite ease-in-out;
}

/* Liquid Starlight (Interactive Layer) */
.soul-light {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle 600px at var(--cursor-x) var(--cursor-y),
            var(--soul-light) 0%,
            transparent 100%);
    mix-blend-mode: screen;
    opacity: 0.8;
    transition: opacity 0.5s ease;
}

/* Divine Rays (Subtle Texture - CLEANED) */
.soul-rays {
    position: absolute;
    inset: 0;
    background: transparent;
    /* Clean look, no stripes */
    opacity: 0.1;
    pointer-events: none;
}

/* --- ANIMATIONS --- */

/* The 4-7-8 Breath Pattern Simulation */
@keyframes breathe {
    0% {
        transform: scale(1.0);
        opacity: 0.5;
    }

    /* Start Inhale */
    20% {
        transform: scale(1.1);
        opacity: 0.7;
    }

    /* End Inhale (4s approx) */
    55% {
        transform: scale(1.1);
        opacity: 0.7;
    }

    /* End Hold (7s approx) */
    100% {
        transform: scale(1.0);
        opacity: 0.5;
    }
}

@keyframes rayDrift {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 100px 100px;
    }
}

/* --- PHANTOM GLASS --- */
/* Applies to all premium cards defined in card-effects.js */
.soul-card,
.prod-card-v2,
.nv-trend-card,
.nv-card {
    position: relative;
    overflow: hidden;
    /* For sheen */
    /* Glass Base */
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    /* Subtle border */
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

/* The Phantom Sheen (Follows Mouse) */
.soul-card::after,
.prod-card-v2::after,
.nv-trend-card::after,
.nv-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    pointer-events: none;
    /* Uses vars from card-effects.js (--mouse-x, --mouse-y) */
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(255, 255, 255, 0.1) 0%,
            transparent 40%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* Hover States */
.soul-card:hover,
.prod-card-v2:hover,
.nv-trend-card:hover,
.nv-card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(255, 255, 255, 0.2);
    /* Brighter border */
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    /* Deep Shadow */
}

.soul-card:hover::after,
.prod-card-v2:hover::after,
.nv-trend-card:hover::after,
.nv-card:hover::after {
    opacity: 1;
    /* Show the phantom sheen */
}
/* --- MOBILE OPTIMIZATION (ULTRA MEGA v3) --- */
@media (max-width: 768px) {
    .soul-nebula {
        /* Reduce GPU texture load */
        width: 150%; 
        height: 150%;
        top: -25%; 
        left: -25%;
        filter: blur(40px); /* 50% Less Blur Calc */
    }
    
    /* Disable expensive particle layers on mobile */
    .element-rain, .element-mist, .element-dawn, .element-water {
        opacity: 0.3 !important;
        animation: none !important; /* Stop JS-heavy or CSS-heavy loops */
        background-image: none !important; /* Remove complex gradients */
    }

    /* Fallback simple gradient for mobile atmosphere */
    .soul-atmosphere {
        background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000 100%);
    }
}