/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    /* Colors */
    --primary-color: #4a90d9;
    --primary-dark: #357abd;
    --primary-light: #7ab3e8;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    
    /* Disclaimer Colors */
    --disclaimer-bg: #fff3cd;
    --disclaimer-border: #ffc107;
    --disclaimer-text: #856404;
    
    /* Background Colors */
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --bg-dark: #2c3e50;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    --text-white: #ffffff;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Width */
    --container-max: 1200px;
    --container-padding: 2rem;
    
    /* Font Sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* ============================================
   DISCLAIMER HEADER
   ============================================ */
.disclaimer-header {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-bottom: 2px solid var(--disclaimer-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.disclaimer-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: var(--container-max);
    margin: 0 auto;
}

.disclaimer-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.disclaimer-text {
    font-size: var(--font-sm);
    color: var(--disclaimer-text);
    flex: 1;
    line-height: 1.4;
}

.disclaimer-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--disclaimer-text);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: transform var(--transition-fast);
}

.disclaimer-close:hover {
    transform: scale(1.1);
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--container-padding);
}

.nav-logo {
    font-family: 'Merriweather', serif;
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-logo:hover {
    color: var(--primary-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-base);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-xl);
}

.hero-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-white);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    opacity: 0.95;
}

/* ============================================
   CTA BUTTONS
   ============================================ */
.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
}

.primary-cta {
    background: var(--bg-white);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--bg-light);
}

.large-cta {
    background: var(--primary-color);
    color: var(--text-white);
    font-size: var(--font-lg);
    padding: var(--spacing-lg) var(--spacing-xxl);
}

.large-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   INTRO SECTION
   ============================================ */
.intro-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-white);
}

.section-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.intro-text {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    line-height: 1.8;
}

/* ============================================
   INGREDIENTS SECTION
   ============================================ */
.ingredients-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-light);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.ingredient-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.ingredient-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.ingredient-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.ingredient-card:hover::before {
    transform: scaleX(1);
}

.ingredient-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.ingredient-icon svg {
    width: 30px;
    height: 30px;
    color: var(--text-white);
}

.ingredient-name {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.ingredient-references {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.reference-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-sm);
    color: var(--primary-color);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.reference-link:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.reference-link svg {
    flex-shrink: 0;
}

.ingredient-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    font-size: var(--font-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
}

/* ============================================
   SCIENCE SECTION
   ============================================ */
.science-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-white);
}

.science-content {
    max-width: 900px;
    margin: 0 auto;
}

.science-text {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.science-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.highlight-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.highlight-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-item h4 {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.highlight-item p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* ============================================
   TIPS SECTION
   ============================================ */
.tips-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8f4f8 100%);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.tip-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.tip-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.tip-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    font-size: var(--font-xl);
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.tip-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.tip-description {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.5;
}

.tips-note {
    text-align: center;
    font-size: var(--font-lg);
    color: var(--text-secondary);
    font-style: italic;
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
}

/* ============================================
   AUTHOR SECTION
   ============================================ */
.author-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-white);
}

.author-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.author-image {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
}

.author-avatar {
    width: 100%;
    height: 100%;
}

.author-info {
    flex: 1;
}

.author-text {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.author-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.credential-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-light);
    color: var(--primary-color);
    font-size: var(--font-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-color);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: var(--font-lg);
    color: var(--text-white);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--warning-color);
}

.footer-disclaimer p {
    font-size: var(--font-sm);
    line-height: 1.5;
    color: var(--text-light);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--font-base);
    transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link.active {
    color: var(--text-white);
}

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

.footer-bottom p {
    font-size: var(--font-sm);
    color: var(--text-light);
}

/* ============================================
   POLICY PAGES
   ============================================ */
.policy-content {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-white);
    min-height: calc(100vh - 200px);
}

.policy-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.policy-updated {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-xl);
}

.policy-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.policy-section h2 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.policy-section p {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.8;
}

.policy-back {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-content {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-white);
    min-height: calc(100vh - 200px);
}

.contact-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

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

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

.contact-form-wrapper {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-base);
    border: 2px solid var(--bg-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-group {
    margin-bottom: var(--spacing-lg);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-success {
    text-align: center;
    padding: var(--spacing-xl);
}

.form-success.hidden {
    display: none;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: var(--text-white);
    font-size: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.form-success h3 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-card {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.contact-link:hover {
    text-decoration: underline;
}

.faq-section {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.faq-section h3 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-gray);
}

.faq-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-item h4 {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.faq-item p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.6;
}

.contact-back {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .author-content {
        flex-direction: column;
        text-align: center;
    }
    
    .author-credentials {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .disclaimer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .disclaimer-close {
        position: absolute;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .hero-content {
        padding: var(--spacing-lg);
    }
    
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
    
    .science-highlights {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-disclaimer {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        width: 100%;
        padding: var(--spacing-md);
    }
    
    .ingredient-card,
    .tip-card,
    .highlight-item {
        padding: var(--spacing-lg);
    }
    
    .author-image {
        width: 150px;
        height: 150px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animated {
    opacity: 1 !important;
    transform: translateY(0) !important;
    will-change: auto !important;
}

/* Staggered animation delays for grid items */
.ingredients-grid .ingredient-card:nth-child(1) { animation-delay: 0.1s; }
.ingredients-grid .ingredient-card:nth-child(2) { animation-delay: 0.2s; }
.ingredients-grid .ingredient-card:nth-child(3) { animation-delay: 0.3s; }
.ingredients-grid .ingredient-card:nth-child(4) { animation-delay: 0.4s; }

.tips-grid .tip-card:nth-child(1) { animation-delay: 0.1s; }
.tips-grid .tip-card:nth-child(2) { animation-delay: 0.2s; }
.tips-grid .tip-card:nth-child(3) { animation-delay: 0.3s; }
.tips-grid .tip-card:nth-child(4) { animation-delay: 0.4s; }
.tips-grid .tip-card:nth-child(5) { animation-delay: 0.5s; }

.science-highlights .highlight-item:nth-child(1) { animation-delay: 0.1s; }
.science-highlights .highlight-item:nth-child(2) { animation-delay: 0.2s; }
.science-highlights .highlight-item:nth-child(3) { animation-delay: 0.3s; }

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

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

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }