/* Import Phosphor Icons */
@import url('https://unpkg.com/@phosphor-icons/web@2.0.3/src/regular/style.css');

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700&display=swap');

/* CSS Custom Properties - Color Palette inspired by Mother's Protect */
:root {
    /* Primary Colors */
    --color-primary: #B69269;
    --color-primary-light: #C8A482;
    --color-primary-dark: #9D7B52;
    
    /* Neutral Colors */
    --color-text-primary: #4C4C4C;
    --color-text-secondary: #6B6B6B;
    --color-text-light: #8A8A8A;
    
    /* Background Colors */
    --color-bg-primary: #F8F4F0;
    --color-bg-secondary: #FFFFFF;
    --color-bg-accent: #F0EBE6;
    
    /* Skeumorphic Button Colors */
    --button-bg-light: #FFFFFF;
    --button-bg-dark: #E8E4E0;
    --button-shadow: rgba(0, 0, 0, 0.15);
    --button-shadow-hover: rgba(0, 0, 0, 0.25);
    --button-shadow-active: rgba(0, 0, 0, 0.35);
    
    /* Naturopathy Theme Colors */
    --color-sage: #9CAF88;
    --color-sage-light: #B5C4A4;
    --color-eucalyptus: #7A9B7A;
    --color-chamomile: #F2E7A0;
    --color-lavender: #A084CA;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --letter-spacing-wide: 3px;
    --letter-spacing-wider: 5px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-default: 0.3s ease-in-out;
    --transition-fast: 0.15s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-weight: 400;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: var(--letter-spacing-wider);
}

h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* Skeumorphic Button System */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-default);
    background: linear-gradient(145deg, var(--button-bg-light), var(--button-bg-dark));
    box-shadow: 
        0 8px 15px var(--button-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    color: var(--color-text-primary);
    letter-spacing: 1px;
    min-width: 120px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 20px var(--button-shadow-hover),
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 
        0 4px 8px var(--button-shadow-active),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(145deg, var(--color-primary-light), var(--color-primary));
    color: white;
    box-shadow: 
        0 8px 15px rgba(182, 146, 105, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    box-shadow: 
        0 12px 20px rgba(182, 146, 105, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.btn-sage {
    background: linear-gradient(145deg, var(--color-sage-light), var(--color-sage));
    color: white;
    box-shadow: 
        0 8px 15px rgba(156, 175, 136, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

.btn-sage:hover {
    box-shadow: 
        0 12px 20px rgba(156, 175, 136, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

/* Icon Buttons */
.btn-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    padding: 6px;
    margin: 0 var(--spacing-sm);
    background: linear-gradient(145deg, var(--button-bg-light), var(--button-bg-dark));
    box-shadow: 
        0 10px 15px var(--button-shadow),
        inset 0 2px 4px rgba(255, 255, 255, 0.8);
    transition: var(--transition-slow);
}

.btn-icon:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 25px var(--button-shadow-hover),
        inset 0 2px 4px rgba(255, 255, 255, 0.9);
}

.btn-icon:active {
    transform: translateY(-1px);
    box-shadow: 
        0 5px 10px var(--button-shadow-active),
        inset 0 3px 6px rgba(0, 0, 0, 0.2);
}

.btn-icon i {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--button-bg-dark), var(--button-bg-light));
    border-radius: var(--radius-full);
    font-size: 24px;
    color: var(--color-text-light);
    transition: var(--transition-slow);
}

/* Icon Button Hover Colors */
.btn-icon:hover i {
    color: var(--color-primary);
}

.btn-icon.sage:hover i {
    color: var(--color-sage);
}

.btn-icon.eucalyptus:hover i {
    color: var(--color-eucalyptus);
}

.btn-icon.chamomile:hover i {
    color: var(--color-chamomile);
}

.btn-icon.lavender:hover i {
    color: var(--color-lavender);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    background: linear-gradient(145deg, #FFFFFF, #F5F5F5);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.1),
        0 1px 0 rgba(255, 255, 255, 0.8);
    transition: var(--transition-default);
    color: var(--color-text-primary);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.15),
        0 0 0 3px rgba(182, 146, 105, 0.2);
}

/* Card System */
.card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(182, 146, 105, 0.1);
}

/* Layout Grid */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Survey Specific Styles */
.header {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand h1 {
    font-size: 2rem;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: var(--letter-spacing-wider);
}

.tagline {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 500;
    transition: var(--transition-default);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-bg-accent);
}

.hero {
    background: linear-gradient(135deg, var(--color-bg-primary), var(--color-bg-accent));
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
}

.accent-text {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.survey-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
}

.survey-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.survey-intro h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.survey-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.progress-container {
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg-accent);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-in-out;
    width: 0%;
}

.progress-text {
    display: block;
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.survey-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(182, 146, 105, 0.1);
}

.question-container {
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.question-slide {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.question-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.question-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.question-content {
    margin-bottom: var(--spacing-xl);
}

.multiple-choice {
    display: grid;
    gap: var(--spacing-sm);
}

.checkbox-label, .radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-default);
    background: var(--color-bg-primary);
    border: 2px solid transparent;
}

.checkbox-label:hover, .radio-label:hover {
    background: var(--color-bg-accent);
    border-color: var(--color-primary-light);
}

.checkbox-custom, .radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text-light);
    margin-right: var(--spacing-md);
    position: relative;
    transition: var(--transition-default);
}

.checkbox-custom {
    border-radius: var(--radius-sm);
}

.radio-custom {
    border-radius: var(--radius-full);
}

input[type="checkbox"]:checked + .checkbox-custom,
input[type="radio"]:checked + .radio-custom {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: white;
}

.checkbox-text, .radio-text {
    font-weight: 500;
}

input[type="checkbox"], input[type="radio"] {
    display: none;
}

.scale-input {
    text-align: center;
}

.scale-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.scale-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-default);
}

.scale-option:hover {
    background: var(--color-bg-accent);
}

.scale-number {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-text-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: var(--transition-default);
    margin-bottom: var(--spacing-xs);
}

input[type="radio"]:checked + .scale-number {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.scale-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-align: center;
}

.scale-description {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
}

.survey-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
}

.loading-state {
    display: none;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-bg-accent);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #e74c3c;
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.results-preview {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.results-summary h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.recommendation-item {
    background: var(--color-bg-accent);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
}

.recommendation-item h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.results-actions {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-bg-accent);
}

.about-section, .science-section {
    padding: var(--spacing-2xl) 0;
}

.science-section {
    background: var(--color-bg-primary);
}

.content-block {
    padding-right: var(--spacing-xl);
}

.lead {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.feature-list i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-right: var(--spacing-md);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.visual-block {
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(182, 146, 105, 0.1);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.stat-card h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--color-primary);
}

.stat-card p {
    margin: var(--spacing-sm) 0 0 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.card-icon {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.card-icon i {
    font-size: 3rem;
    color: var(--color-primary);
}

.footer {
    background: var(--color-text-primary);
    color: var(--color-bg-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-links h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-light);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .btn {
        padding: 10px 20px;
        min-width: 100px;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .btn-icon {
        width: 50px;
        height: 50px;
    }
    
    .btn-icon i {
        font-size: 20px;
    }
    
    .grid {
        gap: var(--spacing-lg);
    }
}