:root {
    --color-navy:       #1A2B3C;
    --color-navy-dark:  #0F1A26;
    --color-green:      #2ECC71;
    --color-green-light:#3DDB80;
    --color-gold:       #D4AF37;
    --color-white:      #FFFFFF;
    --color-off-white:  #F8F9FB;
    --color-gray-100:   #F1F3F5;
    --color-gray-300:   #DEE2E6;
    --color-gray-500:   #8B95A2;
    --color-gray-700:   #495057;
    --color-danger:     #E74C3C;
    --color-danger-bg:  rgba(231, 76, 60, 0.1);

    --font-family:      'Inter', sans-serif;
    --radius-sm:        8px;
    --radius-md:        12px;
    --radius-lg:        20px;
    --radius-full:      9999px;
    --transition-base:  0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-family);
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.app-container {
    width: 100%;
    max-width: 600px;
    background: var(--color-navy);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}

.app-header {
    text-align: center;
    margin-bottom: 40px;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.highlight-green { color: var(--color-green); }
.highlight-danger { color: var(--color-danger); font-weight: inherit; }

.screen {
    display: none;
    animation: fadeIn 0.4s ease;
}
.screen.active {
    display: block;
}

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

/* Typography */
.title {
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}
.description {
    text-align: center;
    color: var(--color-gray-300);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: block;
    width: 100%;
    padding: 16px;
    font-family: var(--font-family);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}
.btn--primary {
    background: linear-gradient(135deg, var(--color-green), #27ae60);
    color: var(--color-white);
}
.btn--primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-green-light), var(--color-green));
    transform: translateY(-2px);
}
.btn--primary:disabled {
    background: var(--color-gray-700);
    color: var(--color-gray-500);
    cursor: not-allowed;
    opacity: 0.7;
}
.btn--glow {
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}
.btn--glow:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.45);
}

/* Quiz */
.progress-bar {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    margin-bottom: 30px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--color-green);
    width: 33.33%;
    transition: width var(--transition-base);
}

.question-block {
    display: none;
}
.question-block.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.question-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-white);
}

.options-grid {
    display: grid;
    gap: 12px;
    margin-bottom: 30px;
}

.option-card {
    display: block;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 500;
}
.option-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
}
.option-card input[type="radio"] {
    display: none;
}
.option-card.selected {
    background: rgba(46, 204, 113, 0.1);
    border-color: var(--color-green);
    color: var(--color-green-light);
}

.quiz-footer {
    display: flex;
    justify-content: flex-end;
}

/* Result & Form */
.result-box {
    text-align: center;
    margin-bottom: 30px;
}
.risk-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.risk-high { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid var(--color-danger); }
.risk-medium { background: rgba(212, 175, 55, 0.1); color: var(--color-gold); border: 1px solid var(--color-gold); }
.risk-low { background: rgba(46, 204, 113, 0.1); color: var(--color-green); border: 1px solid var(--color-green); }

.result-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}
.result-message {
    color: var(--color-white);
    margin-bottom: 20px;
    font-weight: 600;
}

.offer-box {
    background: rgba(255,255,255,0.03);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px dashed rgba(255,255,255,0.2);
    margin-bottom: 20px;
}
.offer-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-gray-100);
}
.offer-text strong {
    font-size: 1.1rem;
    color: var(--color-white);
}

.lead-form {
    background: rgba(0,0,0,0.15);
    padding: 24px;
    border-radius: var(--radius-md);
}
.form-title {
    font-size: 1.1rem;
    margin-bottom: 16px;
    text-align: center;
}
.form-group {
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 18px; /* Space for absolute error msg */
}
.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-navy-dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-base);
}
.form-group input:focus {
    border-color: var(--color-green);
}
.form-group input::placeholder {
    color: var(--color-gray-500);
}
.error-msg {
    display: none;
    color: var(--color-danger);
    font-size: 0.8rem;
    position: absolute;
    bottom: 0;
    left: 0;
}
.form-group.error input {
    border-color: var(--color-danger);
}
.form-group.error .error-msg {
    display: block;
}

.success-message {
    text-align: center;
    padding: 40px 20px;
}
.success-message svg {
    color: var(--color-green);
    margin-bottom: 16px;
}
.hidden { display: none !important; }

/* Responsive adjustments */
@media (max-width: 480px) {
    .app-container {
        padding: 30px 20px;
    }
    .title {
        font-size: 1.5rem;
    }
    .question-title {
        font-size: 1.1rem;
    }
    .option-card {
        padding: 14px 16px;
        font-size: 0.95rem;
    }
}