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

:root {
  --primary: #367C7D;
  --secondary: #D0B49F;
  --accent-green: #8A9A5B;
  --accent-gray: #5C6A72;
  --text-primary: #2C3E50;
  --text-secondary: #5C6A72;
  --bg-light: #F8F8F8;
  --bg-white: #FFFFFF;
  --border-light: #E0E0E0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-2xl: 100px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  font-size: 16px;
}

h1 {
  font-family: 'Georgia', 'Garamond', serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
}

h2 {
  font-family: 'Georgia', 'Garamond', serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  color: var(--text-primary);
}

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.3s ease;
}

a:hover {
  color: var(--accent-gray);
  text-decoration: underline;
}

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

header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.logo img {
  width: 40px;
  height: 40px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--primary);
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

nav a {
  font-size: 0.95rem;
  color: var(--text-primary);
  position: relative;
  transition: color 0.3s ease;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

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

nav a:hover::after {
  width: 100%;
}

footer {
  background-color: var(--primary);
  color: var(--bg-white);
  margin-top: var(--spacing-2xl);
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

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

.footer-section h3 {
  color: var(--bg-white);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  line-height: 2;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-disclaimer {
  background-color: rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-left: 3px solid var(--secondary);
  font-size: 0.95rem;
}

main {
  max-width: 1440px;
  margin: 0 auto;
  min-height: calc(100vh - 200px);
}

section {
  padding: var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}

section:last-of-type {
  border-bottom: none;
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-gray) 100%);
  color: var(--bg-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('images/hero-macronutrients.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--bg-white);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: var(--spacing-lg);
}

.hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
}

.col-md-6 {
  grid-column: span 6;
}

.col-md-4 {
  grid-column: span 4;
}

.col-md-3 {
  grid-column: span 3;
}

.col-lg-8 {
  grid-column: span 8;
}

.col-lg-4 {
  grid-column: span 4;
}

@media (max-width: 768px) {
  .col-md-6, .col-md-4, .col-md-3, .col-lg-8, .col-lg-4 {
    grid-column: span 12;
  }
}

.card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card h3 {
  margin-top: 0;
  color: var(--primary);
}

.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--primary);
  color: var(--bg-white);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.button:hover {
  background-color: var(--accent-gray);
  text-decoration: none;
}

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

.button-secondary:hover {
  background-color: var(--accent-green);
}

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

.section-title h2 {
  margin-top: 0;
}

.quote {
  background-color: var(--bg-light);
  border-left: 4px solid var(--primary);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

.highlight {
  background-color: rgba(212, 180, 159, 0.2);
  padding: 2px 6px;
  border-radius: 2px;
}

.glossary-term {
  margin-bottom: var(--spacing-lg);
}

.glossary-term dt {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.glossary-term dd {
  margin-left: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

.image-caption {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: var(--spacing-sm);
}

.disclaimer {
  background-color: #FFF8E7;
  border: 1px solid #FFE5A1;
  padding: var(--spacing-md);
  border-radius: 2px;
  margin: var(--spacing-lg) 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--primary);
  color: var(--bg-white);
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 9999;
  flex-wrap: wrap;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.2);
}

.cookie-banner.hidden {
  display: none;
}

.cookie-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background-color: transparent;
  color: var(--bg-white);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.cookie-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--bg-white);
}

.cookie-btn-accept {
  background-color: var(--secondary);
  color: var(--text-primary);
  border-color: var(--secondary);
}

.cookie-btn-accept:hover {
  background-color: var(--accent-green);
  border-color: var(--accent-green);
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.table th {
  background-color: var(--primary);
  color: var(--bg-white);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
}

.table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

.table tr:hover {
  background-color: var(--bg-light);
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 2rem;
  }

  section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  nav ul {
    width: 100%;
    justify-content: center;
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    width: 100%;
    justify-content: center;
  }
}