:root {
    /* Premium Comfort Dark Palette */
    --bg-main: #14171A;         
    --bg-card: #1E2226;         
    --bg-card-hover: #262B31;
    --text-main: #F3F4F6;       
    --text-muted: #9CA3AF;      
    --accent: #E5B760;          
    --accent-hover: #F2C778;
    --accent-glow: rgba(229, 183, 96, 0.2);
    
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Progress Bar */
.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.progress-bar {
    height: 100%;
    background-color: var(--accent);
    width: 10%; 
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Main Container */
.app-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.5rem;
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

/* Sections */
.step {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
    padding: 1rem 1.5rem;
}

.step.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    position: relative;
}

.content-wrapper {
    width: 100%;
    max-width: 480px;
}

/* Typography */
h1.title {
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--accent);
    text-align: center;
}

h2.question {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    line-height: 1.4;
    text-align: center;
}

p.description {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

p.highlight {
    color: var(--text-main);
    font-weight: 400;
}

.txt-center { text-align: center; }

/* Icons */
.icon-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.gold-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.option-icon {
    flex-shrink: 0;
    color: var(--accent);
    opacity: 0.8;
    transition: var(--transition);
}

/* Buttons and Options */
.options-container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.btn-option {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 0.85rem 1.25rem;
    color: var(--text-main);
    font-size: 1.15rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    line-height: 1.3;
}

.btn-option:hover {
    background-color: var(--bg-card-hover);
    border-color: rgba(229, 183, 96, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-option:hover .option-icon {
    opacity: 1;
    transform: scale(1.1);
}

.btn-option.selected {
    background-color: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(0.98);
}

.btn-option.selected .option-icon {
    color: var(--accent);
    opacity: 1;
}

/* Primary Button */
.btn-primary {
    width: 100%;
    background-color: var(--accent);
    color: #111;
    border: none;
    border-radius: var(--border-radius);
    padding: 1.25rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--accent-glow);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 6px 20px var(--accent-glow);
}

/* Logic Box */
.logic-box {
    background-color: var(--bg-card);
    border-left: 4px solid var(--accent);
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.logic-box p {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--text-muted);
    font-style: italic;
    margin: 0;
}

/* Utilities */
.mt-small { margin-top: 0.8rem; }
.mt-medium { margin-top: 1.5rem; }
.mt-large { margin-top: 2rem; }
.mb-large { margin-bottom: 2rem; }
.text-center { text-align: center; }

/* Responsive Adjustments for Shorter Screens */
@media (max-height: 750px) {
    h1.title { font-size: 1.8rem; margin-bottom: 0.8rem; }
    h2.question { font-size: 1.35rem; margin-bottom: 1rem; }
    p.description { font-size: 1.05rem; margin-bottom: 0.8rem; }
    .btn-option { padding: 0.75rem 1rem; font-size: 1.05rem; }
    .logic-box p { font-size: 1.05rem; }
    .options-container { gap: 0.5rem; }
}

/* Animations */
.fade-in-delay-1 { opacity: 0; animation: fadeIn 0.6s ease forwards 0.2s; }
.fade-in-delay-2 { opacity: 0; animation: fadeIn 0.6s ease forwards 1.2s; }
.fade-in-delay-3 { opacity: 0; animation: fadeIn 0.6s ease forwards 2.5s; }
.fade-in-delay-4 { opacity: 0; animation: fadeIn 0.6s ease forwards 4.0s; }
.fade-in-delay-5 { opacity: 0; animation: fadeIn 0.6s ease forwards 5.5s; }

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

/* Pulse animation for final button */
.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(229, 183, 96, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(229, 183, 96, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 183, 96, 0); }
}

/* Loader */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
}

.spinner {
    width: 45px;
    height: 45px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}