:root {
    /* Color Palette */
    --bg-color: #FFFDF8;
    --primary-gold: #D4AF37;
    --gold-light: #E5C453;
    --accent-pink: #F8C8DC;
    --accent-purple: #D8BFD8;
    --text-charcoal: #333333;
    --text-grey: #5D5D5D;
    --card-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(212, 175, 55, 0.2);
    
    /* Shadows */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-charcoal);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .brand-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* View Management */
.view {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.view.active {
    display: block;
    opacity: 1;
}

/* Home View Layout */
.hero-container {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-header {
    margin-bottom: 4rem;
}

.brand-logo {
    font-size: 1.2rem;
    letter-spacing: 0.2rem;
    color: var(--primary-gold);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.main-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(120deg, var(--primary-gold), var(--gold-light));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sub-title {
    font-size: 1.1rem;
    color: var(--text-grey);
    max-width: 600px;
    margin: 0 auto;
}

/* Trust Cards */
.trust-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    margin-bottom: 3rem;
}

.trust-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    cursor: pointer;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.trust-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-icon {
    font-size: 1.5rem;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 500;
}

.card-content {
    max-height: 0;
    opacity: 0;
    transition: all 0.5s ease;
    margin-top: 0;
}

.trust-card[data-expanded="true"] .card-content {
    max-height: 200px;
    opacity: 1;
    margin-top: 1rem;
}

.trust-card[data-expanded="true"] {
    background: white;
    border-color: var(--primary-gold);
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--gold-light));
    color: white;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.4);
}

.btn-back {
    align-self: flex-start;
    background: none;
    border: none;
    color: var(--text-grey);
    cursor: pointer;
    margin-bottom: 2rem;
    font-size: 1rem;
}


/* Hub View Styling */
.view-header {
    margin-bottom: 3rem;
    text-align: center;
}

.view-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-charcoal);
}

.view-header p {
    color: var(--text-grey);
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding-bottom: 4rem;
}

.hub-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.03);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.hub-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-gold);
    opacity: 0;
    transition: var(--transition-smooth);
}

.hub-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.hub-card:hover::before {
    opacity: 1;
}

.hub-card.large {
    grid-column: span 2;
    min-height: 250px;
    background: linear-gradient(135deg, #ffffff, #fffcf5);
}

.hub-card.small {
    min-height: 200px;
}

.hub-card-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: block;
}

.hub-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-charcoal);
}

.hub-card p {
    font-size: 0.9rem;
    color: var(--text-grey);
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-enter {
    align-self: flex-start;
    background: none;
    border: none;
    color: var(--primary-gold);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
    transition: var(--transition-smooth);
}

.hub-card:hover .btn-enter {
    transform: translateX(5px);
}

/* Detail View & Tabs */
.detail-tabs {
    display: flex;
    overflow-x: auto;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.detail-tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    padding: 0.6rem 1.2rem;
    background: white;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    white-space: nowrap;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-grey);
}

.tab.active {
    background: var(--primary-gold);
    color: white;
    border-color: var(--primary-gold);
}

.detail-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    animation: slideUp 0.5s ease-out;
}

/* Diagnosis UI */
.diagnosis-container, .result-container {
    animation: fadeIn 0.5s ease;
}

.score-circle {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.q-item button:hover {
    border-color: var(--primary-gold) !important;
    background: #fffcf5 !important;
}

/* Accent Utilities */
.accent-pink { color: var(--accent-pink); }
.accent-purple { color: var(--accent-purple); }

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 900px) {
    .hub-card.large {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 1.8rem;
    }
    
    .sub-title {
        font-size: 0.95rem;
    }
    
    .detail-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }
}