/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors from Ponto Prisma brand */
    --primary-green: #6B8E6F;
    --secondary-peach: #E8C4B8;
    --light-peach: #F5E6E0;
    --cream: #FAF7F5;
    --text-dark: #4A4A4A;
    --text-light: #7A7A7A;
    --white: #FFFFFF;
    --border-light: #E5DDD8;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--cream) 0%, var(--light-peach) 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.logo-container {
    max-width: 120px;
    margin: 0 auto;
}

.logo {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.05));
}

/* Main Content */
.main-content {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(107, 142, 111, 0.1);
    padding: var(--spacing-xl);
    min-height: 500px;
    position: relative;
}

/* Screen Management */
.screen {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.screen.active {
    display: block;
}

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

/* Welcome Screen */
.welcome-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.title {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.time-info {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(107, 142, 111, 0.3);
}

.btn-primary:hover {
    background: #5a7a5e;
    box-shadow: 0 6px 20px rgba(107, 142, 111, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--secondary-peach);
    color: var(--text-dark);
    box-shadow: 0 4px 15px rgba(232, 196, 184, 0.3);
}

.btn-secondary:hover {
    background: #ddb5a8;
    box-shadow: 0 6px 20px rgba(232, 196, 184, 0.4);
    transform: translateY(-2px);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: 10px;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-green), var(--secondary-peach));
    border-radius: 10px;
    transition: width 0.4s ease;
    width: 0%;
}

/* Question Screen */
.question-content {
    max-width: 800px;
    margin: 0 auto;
}

.question-title {
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    text-align: center;
}

.question-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Options Container */
.options-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.option-card {
    background: var(--cream);
    border: 2px solid var(--border-light);
    border-radius: 15px;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.option-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 8px 25px rgba(107, 142, 111, 0.15);
    transform: translateY(-5px);
}

.option-card.selected {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, var(--light-peach), var(--cream));
    box-shadow: 0 8px 25px rgba(107, 142, 111, 0.2);
}

.option-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.option-title {
    font-size: 1.2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.option-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Text Input Options */
.text-input-container {
    margin-bottom: var(--spacing-lg);
}

.text-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 10px;
    font-family: var(--font-primary);
    color: var(--text-dark);
    transition: border-color 0.3s ease;
}

.text-input:focus {
    outline: none;
    border-color: var(--primary-green);
}

.text-input::placeholder {
    color: var(--text-light);
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Results Screen */
.results-content {
    max-width: 800px;
    margin: 0 auto;
}

.results-title {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 400;
}

.results-summary {
    background: linear-gradient(135deg, var(--light-peach), var(--cream));
    border-left: 4px solid var(--primary-green);
    padding: var(--spacing-lg);
    border-radius: 10px;
    margin-bottom: var(--spacing-xl);
}

.results-summary p {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.results-summary strong {
    color: var(--primary-green);
}

/* Treatments List */
.treatments-list {
    margin-bottom: var(--spacing-xl);
}

.treatment-card {
    background: var(--white);
    border: 2px solid var(--border-light);
    border-radius: 15px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.treatment-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 8px 25px rgba(107, 142, 111, 0.1);
}

.treatment-name {
    font-size: 1.4rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.treatment-description {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.treatment-benefits {
    list-style: none;
    padding-left: 0;
}

.treatment-benefits li {
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    position: relative;
    color: var(--text-light);
}

.treatment-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--cream);
    border-radius: 10px;
}

.cta-section .btn {
    margin: var(--spacing-sm);
}

/* Contact Screen */
.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-title {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 400;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.form-container {
    background: var(--cream);
    border-radius: 15px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-container iframe {
    border-radius: 10px;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer a {
    color: var(--primary-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #5a7a5e;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .title {
        font-size: 2rem;
    }
    
    .question-title {
        font-size: 1.5rem;
    }
    
    .options-container {
        grid-template-columns: 1fr;
    }
    
    .navigation-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .logo-container {
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .description {
        font-size: 1rem;
    }
    
    .option-icon {
        font-size: 2.5rem;
    }
    
    .option-title {
        font-size: 1.1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-light);
    border-radius: 50%;
    border-top-color: var(--primary-green);
    animation: spin 1s ease-in-out infinite;
}

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--secondary-peach);
    color: var(--text-dark);
}