/**
 * GeneNutrient - Main Stylesheet
 * 
 * This stylesheet provides all the styling for the GeneNutrient website.
 */

/* ========= Base Styles ========= */
:root {
    /* Primary colors */
    --primary-color: #4a90e2;
    --primary-dark: #2171c7;
    --primary-light: #72aef5;
    
    /* Secondary colors */
    --secondary-color: #5cbb5c;
    --secondary-dark: #3e9f3e;
    --secondary-light: #7ed47e;
    
    /* Neutral colors */
    --dark: #2c3e50;
    --medium: #7f8c8d;
    --light: #ecf0f1;
    --white: #ffffff;
    
    /* Risk colors */
    --risk-low: #4CAF50;
    --risk-medium: #FF9800;
    --risk-high: #F44336;
    
    /* Font families */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Roboto', sans-serif;
    
    /* Spacing */
    --space-xs: 5px;
    --space-sm: 10px;
    --space-md: 20px;
    --space-lg: 30px;
    --space-xl: 50px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    margin-bottom: var(--space-sm);
    font-weight: 600;
    line-height: 1.3;
    color: var(--dark);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: var(--body-font);
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ========= Utility Classes ========= */
.hidden {
    display: none !important;
}

.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

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

.button {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    transition: all var(--transition-fast);
    text-align: center;
    cursor: pointer;
    font-family: var(--heading-font);
}

.primary-button {
    background-color: var(--primary-color);
    color: var(--white);
}

.primary-button:hover {
    background-color: var(--primary-dark);
    color: var(--white);
}

.secondary-button {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-button:hover {
    background-color: var(--primary-light);
    color: var(--white);
    border-color: var(--primary-light);
}

.text-button {
    background: none;
    color: var(--primary-color);
    padding: 10px 20px;
    border: none;
}

.text-button:hover {
    background: rgba(74, 144, 226, 0.1);
}

.small-button {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.button:disabled {
    background-color: var(--medium);
    border-color: var(--medium);
    cursor: not-allowed;
    opacity: 0.7;
}

/* ========= Header Styles ========= */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    margin-right: var(--space-sm);
}

.logo-text {
    font-family: var(--heading-font);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
}

.main-nav li {
    margin-left: var(--space-md);
}

.main-nav a {
    color: var(--dark);
    font-weight: 500;
    padding: 5px;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a.cta-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-md);
}

.main-nav a.cta-button:hover {
    background-color: var(--primary-dark);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 5px;
    flex-direction: column;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

/* ========= Hero Section ========= */
.hero {
    padding: var(--space-xl) 0;
    background-color: var(--white);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero .lead {
    font-size: 1.2rem;
    color: var(--medium);
    margin-bottom: var(--space-lg);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ========= Privacy Banner ========= */
.privacy-banner {
    background-color: #e8f4f8;
    padding: var(--space-md) 0;
}

.privacy-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.privacy-icon img {
    width: 40px;
    height: 40px;
}

.privacy-message {
    max-width: 600px;
}

.privacy-message strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--primary-dark);
}

.privacy-message p {
    margin-bottom: 0;
}

/* ========= How It Works Section ========= */
.how-it-works {
    background-color: var(--white);
}

.step-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.step-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
    text-align: center;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.step-number {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.step-icon {
    margin-bottom: var(--space-md);
}

.step-icon img {
    width: 80px;
    height: 80px;
}

.step-card h3 {
    margin-bottom: var(--space-sm);
}

.step-note {
    margin-top: var(--space-sm);
    font-style: italic;
    color: var(--primary-color);
    font-weight: 500;
}

/* ========= Features Section ========= */
.features {
    background-color: #f8f9fa;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    margin-bottom: var(--space-md);
    text-align: center;
}

.feature-icon img {
    width: 60px;
    height: 60px;
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

/* ========= Pathways Section ========= */
.pathways {
    background-color: var(--white);
}

.pathway-tabs {
    margin-top: var(--space-lg);
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: var(--space-md);
}

.tab-button {
    padding: 10px 20px;
    background-color: #f0f0f0;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tab-button:hover {
    background-color: #e0e0e0;
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.pathway-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.pathway-text h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

.pathway-text h4 {
    margin: var(--space-md) 0 var(--space-sm);
    color: var(--dark);
}

.pathway-image img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    max-width: 100%;
}

/* ========= Analyzer Section ========= */
.analyzer {
    background-color: #f8f9fa;
}

.analyzer-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.analyzer-body {
    padding: var(--space-lg);
}

.privacy-reminder {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background-color: #e8f4f8;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border-left: 4px solid var(--primary-color);
}

.privacy-reminder .privacy-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 5px;
}

.privacy-reminder .privacy-icon img {
    width: 24px;
    height: 24px;
}

.privacy-reminder .privacy-message {
    flex: 1;
}

.privacy-reminder p {
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.privacy-reminder p:last-child {
    margin-bottom: 0;
}

.privacy-points {
    margin: var(--space-sm) 0 var(--space-sm) var(--space-md);
    list-style-type: none;
}

.privacy-points li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.privacy-points li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--risk-low);
    font-weight: bold;
}

.privacy-verification {
    font-style: italic;
    font-size: 0.85rem !important;
    color: var(--medium);
    margin-top: var(--space-sm);
}

.upload-container, .supplement-container {
    margin-bottom: var(--space-lg);
}

.upload-zone {
    position: relative;
    border: 2px dashed var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-fast);
    margin-top: var(--space-md);
}

.upload-zone.highlight {
    border-color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.05);
}

.upload-zone.file-selected {
    border-color: var(--secondary-color);
    background-color: rgba(92, 187, 92, 0.05);
    border-style: solid;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.upload-icon img {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-md);
}

.upload-text {
    font-size: 1.1rem;
    color: var(--medium);
    line-height: 1.6;
}

.file-info {
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: var(--medium);
    text-align: center;
}

.supplement-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.supplement-checkbox {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background-color: #f8f9fa;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.supplement-checkbox:hover {
    background-color: #e8f4f8;
}

.supplement-checkbox input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.supplement-checkbox label {
    cursor: pointer;
    font-size: 0.95rem;
}

.custom-supplement-container {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid #eee;
}

.custom-supplement-container h4 {
    margin-bottom: var(--space-sm);
    font-size: 1rem;
}

.supplement-input-container {
    display: flex;
    gap: var(--space-sm);
}

.supplement-input-container input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #d1d1d1;
    border-radius: var(--radius-sm);
    font-family: var(--body-font);
}

#custom-supplement-list {
    margin-top: var(--space-md);
}

.full-analysis-message {
    background-color: rgba(92, 187, 92, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    text-align: center;
}

.full-analysis-text {
    color: var(--secondary-dark);
    font-weight: 500;
    margin: 0;
}

.custom-supplements-list {
    list-style: none;
    margin: 0;
}

.custom-supplements-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: #f8f9fa;
    border-radius: var(--radius-sm);
    margin-bottom: 5px;
}

.remove-supplement {
    background: none;
    border: none;
    color: #999;
    font-size: 18px;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.remove-supplement:hover {
    color: var(--risk-high);
}

.analyzer-actions {
    text-align: center;
}

.analyze-note {
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: var(--medium);
}

/* ========= FAQ Section ========= */
.faq {
    background-color: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.faq-item {
    background-color: var(--light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item h3 {
    padding: var(--space-md);
    margin: 0;
    cursor: pointer;
    background-color: #f8f9fa;
    transition: background-color var(--transition-fast);
    position: relative;
}

.faq-item h3:after {
    content: '+';
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.faq-item.active h3:after {
    content: '−';
}

.faq-item h3:hover {
    background-color: #f0f0f0;
}

.faq-item p {
    padding: 0 var(--space-md) var(--space-md);
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

/* ========= DNA Download Section ========= */
.dna-download {
    background-color: #f8f9fa;
}

.dna-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.dna-service-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium);
}

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

.service-logo {
    height: 50px;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
}

.service-logo img {
    max-height: 100%;
    max-width: 150px;
}

.dna-service-card h3 {
    margin-bottom: var(--space-md);
    color: var(--primary-color);
}

.download-steps {
    margin-left: var(--space-md);
    margin-bottom: var(--space-md);
}

.download-steps li {
    margin-bottom: var(--space-sm);
}

.download-note {
    font-style: italic;
    color: var(--medium);
    font-size: 0.9rem;
    border-top: 1px solid #eee;
    padding-top: var(--space-sm);
}

.dna-download-note {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border-left: 4px solid var(--primary-color);
}

.dna-download-note h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

/* ========= About Section ========= */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--space-lg);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--space-md);
    color: var(--primary-color);
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.about-cta {
    margin-top: var(--space-lg);
}

/* ========= Footer ========= */
.site-footer {
    background-color: var(--dark);
    color: var(--light);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-nav h4, .footer-legal h4 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-nav ul, .footer-legal ul {
    list-style: none;
    margin: 0;
}

.footer-nav ul li, .footer-legal ul li {
    margin-bottom: var(--space-sm);
}

.footer-nav a, .footer-legal a {
    color: var(--light);
    transition: color var(--transition-fast);
}

.footer-nav a:hover, .footer-legal a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.privacy-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.privacy-badge img {
    width: 20px;
    height: 20px;
}

.copyright {
    text-align: center;
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.disclaimer-text {
    text-align: center;
    font-size: 0.8rem;
    color: var(--medium);
}

/* ========= Modal ========= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
}

.modal.hidden {
    display: none;
}

.modal-container {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--medium);
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--risk-high);
}

.modal-content {
    padding: var(--space-lg);
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ========= Loading Overlay ========= */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.hidden {
    display: none;
}

.loading-content {
    text-align: center;
    padding: var(--space-lg);
    max-width: 400px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto var(--space-md);
    animation: spin 1s linear infinite;
}

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

.loading-progress {
    height: 8px;
    background-color: #f0f0f0;
    border-radius: 4px;
    margin-top: var(--space-md);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0;
    transition: width 0.3s ease;
}

/* ========= Floating Analyze Button ========= */
.floating-analyze-btn {
    display: none; /* Hidden by default, will be shown on mobile */
}

/* ========= Results Styling ========= */
.results-summary, .results-supplements, .results-details, .results-disclaimer {
    margin-bottom: var(--space-lg);
}

.results-summary h3, .results-supplements h3, .results-details h3, .results-disclaimer h3 {
    margin-bottom: var(--space-md);
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: var(--space-sm);
}

.summary-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
}

.summary-category {
    border: 1px solid #eee;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    background-color: #fafafa;
}

.summary-category h4 {
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

.no-issues {
    color: var(--risk-low);
    font-weight: 500;
}

.no-data {
    color: var(--medium);
    font-style: italic;
}

.issues-list {
    list-style-type: none;
    margin: 0;
}

.issues-list li {
    padding: var(--space-sm) 0 var(--space-sm) var(--space-sm);
    border-left: 3px solid transparent;
    margin-bottom: var(--space-sm);
}

.issues-list li.risk-medium {
    border-left-color: var(--risk-medium);
}

.issues-list li.risk-high {
    border-left-color: var(--risk-high);
}

.supplement-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
}

.supplement-item {
    border: 1px solid #eee;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    background-color: #fafafa;
}

.supplement-item.appropriate {
    border-left: 4px solid var(--risk-low);
}

.supplement-item.not-appropriate {
    border-left: 4px solid var(--risk-high);
}

.supplement-item h4 {
    margin-bottom: var(--space-sm);
}

.appropriateness {
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.appropriateness.appropriate {
    color: var(--risk-low);
}

.appropriateness.not-appropriate {
    color: var(--risk-high);
}

.supplement-notes {
    margin-top: var(--space-sm);
    padding-left: var(--space-md);
}

.tabs {
    margin-top: var(--space-md);
}

.tab-panel {
    margin-top: var(--space-md);
}

.snp-card {
    border: 1px solid #eee;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    background-color: #fafafa;
}

.snp-card.risk-low {
    border-left: 4px solid var(--risk-low);
}

.snp-card.risk-medium {
    border-left: 4px solid var(--risk-medium);
}

.snp-card.risk-high {
    border-left: 4px solid var(--risk-high);
}

.snp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.risk-badge {
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
}

.risk-badge.low {
    background-color: var(--risk-low);
}

.risk-badge.medium {
    background-color: var(--risk-medium);
}

.risk-badge.high {
    background-color: var(--risk-high);
}

.snp-genotype {
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.snp-interpretation, .snp-recommendation {
    margin-bottom: var(--space-sm);
}

.gene-info {
    background-color: #f0f7ff;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
}

.gene-info h5 {
    margin-bottom: var(--space-xs);
    color: var(--primary-dark);
}

.results-disclaimer {
    background-color: #fff8f8;
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

/* ========= Responsive Design ========= */
@media (max-width: 992px) {
    /* Base font and spacing adjustments */
    html {
        font-size: 95%; /* Slightly smaller base font size */
    }

    /* Layout adjustments */
    .hero .container,
    .pathway-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .hero-image {
        order: -1;
        text-align: center;
        margin-bottom: var(--space-md);
    }

    .pathway-image {
        order: -1;
        text-align: center;
        margin-bottom: var(--space-md);
    }

    .about-image {
        text-align: center;
        margin-bottom: var(--space-md);
    }

    /* Footer adjustments */
    .footer-content {
        flex-direction: column;
    }

    .footer-logo {
        margin-bottom: var(--space-lg);
    }

    /* Results display optimization */
    .results-executive-summary .executive-summary-content {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* Supplement recommendations spacing */
    .supplement-item {
        padding: var(--space-sm);
    }
}

@media (max-width: 768px) {
    /* Heading size adjustments */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.4rem;
    }

    /* Mobile menu behavior */
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed; /* Fixed position for better mobile experience */
        top: 70px; /* Adjust based on header height */
        left: 0;
        right: 0;
        background-color: var(--white);
        padding: var(--space-md);
        box-shadow: var(--shadow-md);
        display: none;
        height: auto;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: 200;
    }

    .main-nav.active {
        display: block;
        animation: slideDown 0.3s ease;
    }

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

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav li {
        margin: 0 0 var(--space-sm) 0;
    }

    .main-nav a {
        display: block;
        padding: 12px 8px; /* Larger tap target area */
    }

    /* CTA buttons */
    .hero-cta {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .hero-cta .button {
        width: 100%; /* Full width buttons */
    }

    /* Tabs improvement */
    .tab-buttons {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: var(--space-sm);
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
        scrollbar-width: thin; /* Firefox */
    }

    .tab-buttons::-webkit-scrollbar {
        height: 4px;
    }

    .tab-buttons::-webkit-scrollbar-thumb {
        background-color: var(--primary-light);
        border-radius: 4px;
    }

    .tab-button {
        flex-shrink: 0;
        margin-right: 4px;
        padding: 8px 16px; /* Smaller on mobile */
    }

    /* Footer adjustment */
    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
    }

    /* Supplement grid */
    .supplement-items,
    .summary-categories,
    .vitamin-grid {
        grid-template-columns: 1fr; /* Single column on tablets */
    }

    /* Form improvements */
    input[type="text"],
    input[type="email"],
    textarea,
    select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Upload zone adjustments */
    .upload-zone {
        padding: var(--space-md);
    }

    .upload-icon img {
        width: 60px;
        height: 60px;
    }

    /* File loading overlay */
    .loading-content {
        width: 90%;
        max-width: 320px;
    }
}

@media (max-width: 576px) {
    /* Base adjustments */
    html {
        font-size: 90%; /* Even smaller base font on very small screens */
    }

    /* Section spacings - significantly reduce to improve mobile scrolling */
    .section {
        padding: var(--space-sm) 0; /* Reduced drastically to minimize scrolling */
        margin-bottom: 0;
    }

    .section-header {
        margin-bottom: var(--space-sm); /* Reduced significantly */
        padding-bottom: 0;
    }

    .section-header h2 {
        margin-bottom: 5px;
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 0.85rem; /* Smaller text */
        margin-bottom: var(--space-xs);
        line-height: 1.4;
    }

    /* Drastically compact privacy section */
    .privacy-banner .container {
        padding: 5px;
    }

    .privacy-icon img {
        width: 20px;
        height: 20px;
    }

    .privacy-points {
        margin: 5px 0 5px 15px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 5px;
    }

    .privacy-points li {
        font-size: 0.75rem;
        margin-bottom: 2px;
        line-height: 1.2;
        padding-left: 15px;
    }

    .privacy-verification {
        font-size: 0.7rem !important;
        margin-top: 5px;
        margin-bottom: 0;
    }

    /* Reduce spacing between elements */
    .hero-content h1 {
        margin-bottom: 0.5rem;
    }

    .hero-content .lead {
        margin-bottom: 1rem;
    }

    /* Decrease padding in content boxes */
    .how-it-works-step,
    .feature-box,
    .pathway-text,
    .upload-container,
    .privacy-container {
        padding: var(--space-sm);
    }

    /* Drastically compact steps for mobile */
    .step-cards {
        grid-template-columns: 1fr; /* Single column */
        gap: 8px;
    }

    .step-card {
        display: flex;
        align-items: center;
        padding: 8px;
        min-height: 0;
        box-shadow: none;
        border: 1px solid #eee;
    }

    .step-number {
        font-size: 1rem;
        margin-bottom: 0;
        margin-right: 8px;
    }

    /* Make step icons smaller and to the left */
    .step-icon {
        width: 35px;
        height: 35px;
        margin-bottom: 0;
        margin-right: 8px;
        flex-shrink: 0;
    }

    .step-content {
        flex: 1;
    }

    .step-card h3 {
        font-size: 0.95rem;
        margin-bottom: 2px;
    }

    .step-card p {
        font-size: 0.8rem;
        margin-bottom: 0;
        line-height: 1.3;
    }

    /* Reduce white space */
    p {
        margin-bottom: var(--space-sm);
    }

    /* Drastically reduce image sizes on mobile to minimize scrolling */
    .hero-image,
    .pathway-image {
        max-height: 120px;
        overflow: hidden;
    }

    .hero-image img,
    .feature-box img,
    .pathway-image img {
        max-width: 60%;
        max-height: 100px;
        height: auto;
        object-fit: contain;
    }

    /* Analyzer section optimization */
    .analyzer-actions {
        margin-top: var(--space-sm);
    }

    /* Compact form elements */
    .file-label {
        padding: var(--space-sm);
    }

    .upload-zone {
        margin-bottom: var(--space-sm);
    }

    /* Floating Analyze DNA button for mobile */
    .floating-analyze-btn {
        display: block;
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: var(--secondary-color);
        color: var(--white);
        padding: 15px;
        border-radius: 50%;
        box-shadow: var(--shadow-lg);
        z-index: 100;
        transition: transform var(--transition-medium), background-color var(--transition-medium);
    }

    .floating-analyze-btn img {
        width: 30px;
        height: 30px;
        display: block;
    }

    .floating-analyze-btn:hover, .floating-analyze-btn:focus {
        background-color: var(--secondary-dark);
        transform: scale(1.1);
    }

    /* Container padding */
    .container {
        padding: 0 var(--space-sm);
    }

    /* Banner adjustments */
    .privacy-banner .container {
        flex-direction: column;
        text-align: center;
    }

    /* Feature and card layouts */
    .step-cards,
    .feature-grid,
    .dna-download-grid {
        gap: 8px;  /* Much smaller gap */
    }

    .feature-card,
    .dna-service-card {
        padding: 8px;
        display: flex;
        align-items: center;
        min-height: 0;
        box-shadow: none;
        border: 1px solid #eee;
    }

    .feature-icon {
        width: 35px;
        height: 35px;
        margin-bottom: 0;
        margin-right: 8px;
        flex-shrink: 0;
    }

    .feature-content {
        flex: 1;
    }

    .feature-card h3 {
        font-size: 0.95rem;
        margin-bottom: 2px;
    }

    .feature-card p {
        font-size: 0.8rem;
        margin-bottom: 0;
        line-height: 1.3;
    }

    /* Modal improvements */
    .modal-container {
        width: 95%;
        max-height: 95vh;
    }

    .modal-header {
        padding: var(--space-sm) var(--space-md);
    }

    .modal-content {
        padding: var(--space-md);
    }

    .modal-footer {
        flex-direction: column;
        padding: var(--space-sm) var(--space-md);
    }

    .modal-footer button {
        width: 100%;
        margin-bottom: var(--space-xs);
    }

    /* Form elements */
    .supplement-checkboxes {
        grid-template-columns: 1fr;
    }

    /* Results display */
    .results-supplements .supplement-items,
    .summary-categories {
        gap: var(--space-sm);
    }

    .supplement-item,
    .summary-category {
        padding: var(--space-sm);
    }

    /* Recommendations page */
    .recommendation-header {
        padding: var(--space-lg) 0;
    }

    .recommendation-header h1 {
        font-size: 1.8rem;
    }

    .stack-section {
        padding: var(--space-md);
    }

    /* Touch-friendly elements */
    .supplement-checkbox label,
    .tab-button,
    .button,
    a.affiliate-btn {
        padding: 12px 16px; /* Larger touch target */
    }

    /* Image sizes */
    .feature-icon img {
        max-width: 60px;
        max-height: 60px;
    }

    .step-icon img {
        max-width: 48px;
        max-height: 48px;
    }
}

/* ========= Mobile Touch Optimizations ========= */
@media (hover: none) {
    /* Better tap targets for touch devices */
    .button,
    .tab-button,
    .supplement-checkbox,
    .main-nav a,
    .footer-nav a,
    .footer-legal a {
        padding: 12px 16px;
    }

    .button:hover,
    .tab-button:hover,
    .main-nav a:hover,
    .footer-nav a:hover,
    .footer-legal a:hover {
        /* Remove hover effects that can cause flickering on touch */
        transform: none;
    }

    /* Active states for better touch feedback */
    .button:active,
    .tab-button:active,
    .main-nav a:active,
    .footer-nav a:active,
    .footer-legal a:active {
        opacity: 0.8;
    }
}

/* ========= Font Size Control for Very Small Screens ========= */
@media (max-width: 360px) {
    html {
        font-size: 85%;
    }

    .upload-text {
        font-size: 0.95rem;
    }

    .step-icon img,
    .feature-icon img {
        max-width: 40px;
        max-height: 40px;
    }
}

/* ========= Fix for iPhone Notch ========= */
@supports (padding: max(0px)) {
    .site-header,
    .modal,
    .loading-overlay {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .site-header {
        padding-top: env(safe-area-inset-top);
    }
}

/* ========= Affiliate Buttons and CTAs ========= */
.supplement-cta,
.affiliate-btn,
.affiliate-button {
    display: inline-block;
    padding: 12px 16px;
    background-color: var(--primary-color);
    color: var(--white) !important;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast);
    margin-top: 10px;
    width: 100%; /* Full width on mobile */
    max-width: 280px;
}

.supplement-cta:hover,
.affiliate-btn:hover,
.affiliate-button:hover {
    background-color: var(--primary-dark);
    color: var(--white) !important;
    text-decoration: none;
}

.supplement-cta:active,
.affiliate-btn:active,
.affiliate-button:active {
    transform: translateY(1px);
    box-shadow: none;
}

.arrow-icon {
    display: inline-block;
    margin-left: 5px;
    transition: transform var(--transition-fast);
}

.supplement-cta:hover .arrow-icon,
.affiliate-btn:hover .arrow-icon,
.affiliate-button:hover .arrow-icon {
    transform: translateX(3px);
}

@media (max-width: 576px) {
    .supplement-cta,
    .affiliate-btn,
    .affiliate-button {
        padding: 14px 16px; /* Larger tap target on mobile */
        font-size: 1rem;
    }
}