* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f4d3a 0%, #1a6b4f 100%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 40px 20px;
    position: relative;
}

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 1000;
}

.progress-fill {
    height: 100%;
    background: #ffd700;
    transition: width 0.3s ease;
    width: 12.5%;
}

.question-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.question-slide.active {
    display: block;
}

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

.question-number {
    font-size: 14px;
    color: #ffd700;
    margin-bottom: 10px;
    font-weight: 500;
}

.question-label {
    display: block;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 30px;
    line-height: 1.3;
}

.required {
    color: #ffd700;
}

.text-input,
.text-area {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid #ffd700;
    color: #fff;
    font-size: 20px;
    padding: 15px 0;
    margin-bottom: 20px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s ease;
}

.text-input::placeholder,
.text-area::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.text-input:focus,
.text-area:focus {
    border-bottom-color: #fff;
}

.text-area {
    resize: vertical;
    min-height: 100px;
}

.phone-input-container {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.phone-input {
    background: transparent;
    border: none;
    border-bottom: 2px solid #ffd700;
    color: #fff;
    font-size: 20px;
    padding: 15px 0;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s ease;
}

.ddd-input {
    width: 80px;
    flex-shrink: 0;
}

.tel-input {
    flex: 1;
}

.phone-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.phone-input:focus {
    border-bottom-color: #fff;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.option {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 18px 24px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.option:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffd700;
    transform: translateX(5px);
}

.option.selected {
    background: rgba(255, 215, 0, 0.2);
    border-color: #ffd700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.btn-ok {
    background: #ffd700;
    color: #0f4d3a;
    border: none;
    border-radius: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-ok:hover {
    background: #ffed4e;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
}

.btn-ok:active {
    transform: translateY(0);
}

.hint,
.hint-multi {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 10px;
}

.hint-multi {
    margin-bottom: 15px;
    color: #ffd700;
}

.navigation {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

.nav-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: #ffd700;
    transform: scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-btn:disabled:hover {
    transform: none;
}

.success-message {
    text-align: center;
    padding: 60px 20px;
}

.success-message h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ffd700;
}

.success-message p {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
}

.error-message {
    background: rgba(255, 0, 0, 0.2);
    border: 2px solid rgba(255, 0, 0, 0.5);
    border-radius: 8px;
    padding: 12px 20px;
    margin-top: 15px;
    font-size: 14px;
    color: #ffcccc;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Responsividade */
@media (max-width: 768px) {
    .question-label {
        font-size: 24px;
    }
    
    .text-input,
    .text-area {
        font-size: 16px;
    }
    
    .option {
        font-size: 16px;
        padding: 14px 18px;
    }
    
    .navigation {
        right: 15px;
        bottom: 15px;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}