:root {
    /* YOUR BRAND COLORS */
    --primary: #0F172A;       /* Deep Navy - Background */
    --secondary: #1E293B;     /* Lighter Navy - Cards */
    --gold: #D4AF37;          /* Luxury Gold - Accents/Primary Buttons */
    --gold-light: #F3E5AB;    /* Light Gold - Gradients/Hover */
    --text-light: #F8FAFC;    /* White/Off-White - Main Text */
    --text-dark: #334155;     /* Dark Grey - Secondary Text (used sparingly) */
    --white: #ffffff;
    --nav-height: 80px;

    /* Functional Colors */
    --success-green: #27ae60;
    --border-color: rgba(248, 250, 252, 0.1); /* Subtle white border for dark mode */
    --card-bg-glass: rgba(30, 41, 59, 0.75); /* Lighter Navy with transparency */
    
    /* Spacing & Radius */
    --radius-lg: 16px;
    --radius-sm: 8px;
    
    /* Animation Speeds */
    --trans-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Lato', sans-serif;
    background-color: var(--primary); /* Deep Navy */
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Abstract Art - Gold Glows on Navy */
.background-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Subtle gold ambient light spots */
    background: 
        radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(212, 175, 55, 0.08) 0%, transparent 45%);
    z-index: -1;
    pointer-events: none;
}

.app-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
    /* Center vertical alignment compensation */
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
}

.gold-text {
    /* Gradient Text using your Gold and Gold Light */
    background: linear-gradient(135deg, var(--gold), var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0px 2px 10px rgba(212, 175, 55, 0.2);
}

.tagline {
    font-size: 0.85rem;
    color: #94a3b8; /* Slate-400 equivalent for subtext */
    letter-spacing: 1px;
    margin-top: 8px;
    text-transform: uppercase;
    font-weight: 300;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    margin-bottom: 25px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 20%;
    /* Gold Gradient */
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transition: width 0.4s ease;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* Card Styling (Navy Glassmorphism) */
.card {
    background: var(--card-bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 35px 25px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4); /* Stronger shadow for depth */
    min-height: 420px;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Typography */
.step-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
}

/* Grid & Layouts */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.options-grid.compact {
    grid-template-columns: 1fr 1fr;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Interactive Elements */
.option-card, .option-row {
    background: rgba(15, 23, 42, 0.4); /* Darker Navy tint */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    cursor: pointer;
    transition: all var(--trans-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.option-row {
    flex-direction: row;
    justify-content: space-between;
    padding: 18px 20px;
}

.option-card i {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: #94a3b8; /* Muted Blue-Grey */
    transition: color var(--trans-speed);
}

.option-card span, .option-row span {
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-light);
}

/* Hover & Active States */
.option-card:hover, .option-row:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(212, 175, 55, 0.4);
}

.option-card.selected, .option-row.selected {
    background: rgba(212, 175, 55, 0.15); /* Gold Tint */
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

.option-card.selected i {
    color: var(--gold);
}

.option-card.selected span, .option-row.selected span {
    color: var(--white);
    font-weight: 600;
}

/* Navigation Buttons */
/* Navigation Buttons - UPDATED */
.nav-controls {
    margin-top: auto;
    padding-top: 30px;
    display: flex;
    justify-content: flex-start; /* Aligns Back button to the left */
}

/* Updated High-Visibility Back Button */
.nav-btn.secondary {
    /* Visible Glass Style */
    background: rgba(255, 255, 255, 0.1); 
    border: 1px solid rgba(255, 255, 255, 0.25); 
    color: #ffffff; /* Bright White Text */
    
    /* Pill Shape & Size */
    padding: 12px 30px;
    border-radius: 50px;
    
    /* Font & Layout */
    font-family: 'Lato', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px; /* Space between arrow and text */
    transition: all 0.3s ease;
}

.nav-btn.secondary:hover {
    background: rgba(212, 175, 55, 0.15); /* Gold tint */
    border-color: var(--gold);
    color: var(--gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
    transform: translateX(-3px); /* Subtle slide animation */
}

/* Keep Primary styles for safety, though hidden */
.nav-btn.primary {
    background: linear-gradient(135deg, var(--gold), #b59223);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
    display: none; /* Ensuring Next is hidden here or via ID */
}

/* Form Steps Visibility */
.form-step {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.form-step.active {
    display: block;
}

/* Review Summary */
.summary-box {
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-sm);
    padding: 20px;
    border-left: 3px solid var(--gold);
    margin-bottom: 25px;
}

.summary-box p {
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 8px;
}

.summary-box p:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.label { color: #94a3b8; font-size: 0.9rem; }
.value { color: var(--gold); font-weight: 600; font-family: 'Playfair Display', serif; }

.cta-button {
    width: 100%;
    padding: 16px;
    background: #25D366; /* WhatsApp Green */
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform 0.3s;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.2);
}

.cta-button:hover {
    transform: scale(1.02);
    background: #20bd5a;
}

/* Success Screen */
.success-screen {
    display: none;
    text-align: center;
    padding: 20px 0;
    animation: scaleIn 0.5s ease;
}

.check-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--primary); /* Navy Checkmark */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 25px;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.app-footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.75rem;
    color: #64748b;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* Mobile Tweak */
@media (max-width: 400px) {
    .step-title { font-size: 1.4rem; }
    .option-card { padding: 15px; }
}

/* --- NEW ADDITION FOR AUTO-FLOW --- */
#nextBtn {
    display: none !important; /* Force hide the Next button */
}

/* Align Back button to the left when Next is gone */
.nav-controls {
    justify-content: flex-start; 
}

/* --- UPDATED: Subtle Background Particles --- */
.particles {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    z-index: -1; /* MOVED BEHIND EVERYTHING */
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.4); 
    opacity: 0; 
    filter: blur(2px); /* Increased blur for softness */
    animation: floatLuxury linear infinite;
}

@keyframes floatLuxury {
    0% {
        transform: translateY(110vh) translateX(0) scale(0.5);
        opacity: 0;
    }
    20% {
        opacity: 0.4; /* Reduced opacity (was 0.8) - Less distracting */
    }
    50% {
        opacity: 0.2;
        transform: translateY(50vh) translateX(20px) scale(1); 
    }
    80% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-10vh) translateX(-20px) scale(0.5); 
        opacity: 0;
    }
}
.brand-sub {
    font-family: 'Lato', sans-serif;
    font-size: 0.8rem;
    color: var(--gold); /* Gold color */
    letter-spacing: 3px; /* Wide spacing for luxury feel */
    text-transform: uppercase;
    margin-top: -5px;
    margin-bottom: 15px;
    font-weight: 400;
    opacity: 0.9;
}