:root {
    --bg-body: #E6E2DD; /* Nude / Taupe Frio */
    --bg-solid: #FDFCFB; /* Branco Gelo (Superfície limpa) */
    --bg-surface: #D8D2CA; /* Taupe um pouco mais denso para cards */
    --accent: #C08C5D; /* Bronze / Cobre */
    --accent-hover: #A67345; 
    --text-primary: #1A3224; /* Deep Forest Green (Elegância Absoluta) */
    --text-secondary: #3B5646; /* Verde agulha suavizado */
    --text-muted: #829489;
    --nav-bg: rgba(230,226,221,0.85); /* Vogue Nav */
    
    /* System variables for Organic Luxury UI */
    --border-color: #CCC4BA; /* Bordas Nude / Orgânicas */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* =========================================================================
   RESET & FUNDAMENTALS (100/100 Lighthouse)
   ========================================================================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-body);
    margin: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Font Assignments */
.font-heading { font-family: var(--font-heading) !important; }
.font-body { font-family: var(--font-body) !important; }

/* Typographic Scale & Adjustments */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-accent { color: var(--accent) !important; }
.bg-accent { background-color: var(--accent) !important; color: #fff !important; }
.bg-taupe { background-color: var(--bg-body) !important; }
.bg-solid { background-color: var(--bg-solid) !important; }
.bg-surface { background-color: var(--bg-surface) !important; }

/* Soft borders */
.border-raw { border-color: var(--border-color) !important; }
.border-top.border-raw, .border-bottom.border-raw, .border-start.border-raw, .border-end.border-raw {
    border-color: var(--border-color) !important;
}

/* =========================================================================
   CUSTOM UI COMPONENTS
   ========================================================================= */

/* Massive Titles (Elegance & Impact) */
.massive-title {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-family: var(--font-heading);
}

.stroke-text {
    color: transparent;
    -webkit-text-stroke: 1px rgba(26,50,36,0.08); /* Stroke baseado no Forest Green */
}

/* Base interactive buttons - Vogue Style */
.btn-accent {
    background-color: var(--accent);
    color: #fff !important;
    border: none;
    border-radius: 4px; /* Mais orgânico, não tão redondo */
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(192, 140, 93, 0.2);
}
.btn-accent:hover {
    background-color: var(--accent-hover);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(192, 140, 93, 0.35);
}

/* Utility constraints */
.max-w-prose { max-width: 65ch; }
.tracking-widest { letter-spacing: 0.15em; }
.fs-sm { font-size: 0.85rem; }

.soft-edge { border-radius: 8px !important; } /* Suavidade dermatológica */

/* Layout Grid Decorators - Softer for Luxury */
.bg-grid {
    background-image: linear-gradient(var(--border-color) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center;
}

/* Soft shadows for cards instead of raw drop shadows */
.luxury-shadow {
    box-shadow: 0 10px 40px rgba(26,50,36,0.04); /* Sombra baseada no verde escuro */
}

/* =========================================================================
   ANIMATION / GSAP / INTERACTIONS
   ========================================================================= */

/* FAQ Accordion UI */
.faq-trigger { cursor: pointer; outline: none; transition: var(--transition); }
.faq-trigger:hover { background-color: var(--bg-surface) !important; color: var(--accent); }

/* Premium Blur Glow */
.ambient-glow {
    position: absolute;
    filter: blur(120px);
    pointer-events: none;
    opacity: 0.5;
}

/* =========================================================================
   A11Y, PERFORMANCE & MOBILE RESPONSIVENESS
   ========================================================================= */
.touch-target { min-height: 48px; min-width: 48px; }

/* Custom Selection */
::selection { background-color: var(--accent); color: #fff; }

/* Paddings de luxo (Whitespace) - Mais respiro nas seções médias/grandes */
.py-luxury { padding-top: 6rem !important; padding-bottom: 6rem !important; }
.p-luxury-card { padding: 4rem !important; }

@media (max-width: 991px) {
    .bg-grid { background-size: 40px 40px; }
    
    /* Performance: Desabilita blur computacionalmente caro em smartphones */
    .mobile-no-blur {
        backdrop-filter: none !important;
        background-color: var(--bg-body) !important;
    }
    
    .py-luxury { padding-top: 3rem !important; padding-bottom: 3rem !important; }
    .p-luxury-card { padding: 2.5rem !important; }
}

/* =========================================================================
   THEME SWITCHER WIDGET
   ========================================================================= */
.theme-switcher-wrapper {
    position: fixed;
    bottom: 25px;
    left: 25px;
    z-index: 1050;
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background-color: var(--text-primary);
    color: var(--bg-body);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.theme-options-panel {
    display: flex;
    gap: 12px;
    background-color: var(--bg-surface);
    padding: 12px 18px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-20px);
    transform-origin: left center;
}

.theme-options-panel.active {
    opacity: 1;
    pointer-events: all;
    transform: translateX(0);
}

.theme-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--bg-solid);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.theme-circle:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

/* =========================================================================
   NATIVE TRIAGEM FORM (LUXURY)
   ========================================================================= */
.form-radio-card {
    transition: all 0.3s ease;
    border-color: var(--border-color) !important;
}

.form-radio-card:hover {
    border-color: var(--accent) !important;
    background-color: var(--bg-solid) !important;
    transform: translateX(10px);
}

.radio-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

input:checked + .radio-indicator {
    border-color: var(--accent);
}

input:checked + .radio-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background-color: var(--accent);
    border-radius: 50%;
}

input:checked ~ span {
    color: var(--primary-color);
    font-weight: 700;
}