:root {
    --color-charcoal-grey: #2F3C47;
    --color-charcoal-grey-light: #5C6773;
    --color-warm-off-white: #F8F8F0;
    --color-muted-olive-green: #8D9C72;
    --color-soft-terracotta: #C77D6F;
    --color-grey-light: #E0E0E0;
    --color-grey-dark: #3A4A55;
    
    --font-serif: 'Lora', 'Georgia', serif;
    --font-sans: 'Open Sans', 'Segoe UI', sans-serif;
    
    --spacing-xs: 16px;
    --spacing-sm: 32px;
    --spacing-md: 64px;
    --spacing-lg: 80px;
    --spacing-xl: 120px;
    
    --container-max-width: 1200px;
    --text-max-width: 900px;
    
    --transition-smooth: all 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-charcoal-grey);
    color: var(--color-charcoal-grey);
    line-height: 1.6;
}

/* Background images for sections */
.hero-section {
    background-image: url('../images/hero-banner.jpg');
    background-size: cover;
    background-position: center;
}

.section-macronutrients {
    background-image: url('../images/macronutrients-nutrition.jpg');
}

.section-hydration {
    background-image: url('../images/water-hydration.jpg');
}

.section-balanced {
    background-image: url('../images/balanced-meal.jpg');
}

.section-sleep {
    background-image: url('../images/sleep-wellness.jpg');
}

.section-activity {
    background-image: url('../images/activity-movement.jpg');
}

.section-cultural {
    background-image: url('../images/cultural-food.jpg');
}

.section-micronutrients {
    background-image: url('../images/micronutrients-vitamins.jpg');
}

/* Typography */
h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-charcoal-grey);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--color-soft-terracotta);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

h3 {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-charcoal-grey);
    margin-bottom: var(--spacing-xs);
}

h4 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-charcoal-grey);
}

p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xs);
    color: var(--color-charcoal-grey);
}

a {
    color: var(--color-muted-olive-green);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--color-soft-terracotta);
}

/* Header */
.site-header {
    background-color: var(--color-charcoal-grey);
    color: var(--color-warm-off-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-xs);
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-warm-off-white);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
}

.site-logo:hover {
    color: var(--color-muted-olive-green);
}

.main-navigation {
    flex: 1;
    margin-left: var(--spacing-md);
}

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

.nav-link {
    color: var(--color-warm-off-white);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-muted-olive-green);
    border-bottom-color: var(--color-muted-olive-green);
}

/* Footer */
.site-footer {
    background-color: var(--color-charcoal-grey);
    color: var(--color-warm-off-white);
    padding: var(--spacing-xl) var(--spacing-xs) var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-warm-off-white);
}

.footer-description {
    color: var(--color-grey-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-warm-off-white);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--color-grey-light);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--color-muted-olive-green);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-charcoal-grey-light);
    padding-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-grey-light);
}

/* Main Content */
.page-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xs);
}

.section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-grey-light);
}

.section:last-child {
    border-bottom: none;
}

/* Hero Section */
.hero-section {
    background-color: var(--color-warm-off-white);
    padding: var(--spacing-xl) var(--spacing-xs);
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-content {
    max-width: var(--text-max-width);
}

.hero-section h1 {
    color: var(--color-charcoal-grey);
    margin-bottom: var(--spacing-md);
}

.hero-section p {
    font-size: 1.125rem;
    color: var(--color-charcoal-grey-light);
    margin-bottom: var(--spacing-md);
}

/* Content Section */
.content-section {
    background-color: var(--color-warm-off-white);
    padding: var(--spacing-xl) var(--spacing-xs);
}

.content-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-content {
    max-width: var(--text-max-width);
    margin: 0 auto;
    line-height: 1.8;
}

.section-content p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-charcoal-grey);
}

.section-content ul,
.section-content ol {
    margin: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-md);
    color: var(--color-charcoal-grey);
}

.section-content li {
    margin-bottom: 10px;
    line-height: 1.7;
}

/* Cards */
.card {
    background-color: white;
    border: 1px solid var(--color-grey-light);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.card:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card h3 {
    color: var(--color-soft-terracotta);
    margin-bottom: var(--spacing-xs);
}

.card p {
    color: var(--color-charcoal-grey);
    font-size: 0.95rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

/* Blog Cards */
.blog-card {
    background-color: white;
    border: 1px solid var(--color-grey-light);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.blog-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.blog-card-content {
    padding: var(--spacing-md);
}

.blog-card h3 {
    color: var(--color-charcoal-grey);
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.blog-card-meta {
    font-size: 0.85rem;
    color: var(--color-charcoal-grey-light);
    margin-bottom: var(--spacing-xs);
}

.blog-card p {
    color: var(--color-charcoal-grey);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.blog-card a {
    color: var(--color-muted-olive-green);
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.blog-card a:hover {
    color: var(--color-soft-terracotta);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color-muted-olive-green);
    color: white;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--color-soft-terracotta);
    opacity: 0.9;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--color-muted-olive-green);
}

.btn-primary:hover {
    background-color: var(--color-charcoal-grey-light);
}

/* Forms */
form {
    max-width: var(--text-max-width);
    margin: 0 auto;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-charcoal-grey);
}

input,
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-grey-light);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background-color: white;
    color: var(--color-charcoal-grey);
    transition: var(--transition-smooth);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-muted-olive-green);
    box-shadow: 0 0 0 3px rgba(141, 156, 114, 0.1);
}

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

/* Success Message */
.success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: var(--spacing-md);
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
    border-left: 4px solid #2e7d32;
}

/* Divider */
.divider {
    height: 2px;
    background-color: var(--color-soft-terracotta);
    margin: var(--spacing-lg) 0;
    max-width: 80px;
    margin-left: 0;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .header-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .main-navigation {
        margin-left: 0;
        width: 100%;
    }
    
    .nav-menu {
        gap: var(--spacing-xs);
    }
    
    .hero-section {
        min-height: 300px;
        padding: var(--spacing-lg) var(--spacing-xs);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .card-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    h3 {
        font-size: 1.125rem;
    }
    
    p {
        font-size: 0.95rem;
    }
    
    .header-container {
        padding: 12px 16px;
    }
    
    .site-logo {
        font-size: 1.25rem;
    }
    
    .nav-menu {
        gap: 12px;
        font-size: 0.85rem;
    }
    
    .page-container {
        padding: 0 12px;
    }
}