:root {
  --color-olive: #6B8E23;
  --color-linen: #FAF5EF;
  --color-rust: #A0522D;
  --color-sage: #98C1A9;
  --color-white: #FFFFFF;
  --color-black: #1a1a1a;
  --color-gray-light: #f5f5f5;
  --color-gray-medium: #d0d0d0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 19px;
  line-height: 1.72;
  color: var(--color-black);
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Avenir Next', 'Neue Haas Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 58px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-black);
}

@media (max-width: 768px) {
  h1 {
    font-size: 36px;
  }
}

h2 {
  font-size: 44px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-black);
  margin-top: 40px;
}

@media (max-width: 768px) {
  h2 {
    font-size: 28px;
  }
}

h3 {
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-black);
  margin-top: 24px;
}

@media (max-width: 768px) {
  h3 {
    font-size: 20px;
  }
}

p {
  margin-bottom: 16px;
  line-height: 1.72;
}

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

a:hover {
  color: var(--color-rust);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-medium);
  z-index: 1000;
  padding: 16px 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 1024px) {
  .header-container {
    padding: 0 50px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 20px;
  }
}

.logo {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-olive);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.logo:hover {
  color: var(--color-rust);
}

.logo img {
  width: 32px;
  height: 32px;
}

nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

@media (max-width: 768px) {
  nav {
    gap: 16px;
  }
}

nav a {
  font-size: 16px;
  color: var(--color-black);
  position: relative;
  transition: color 0.3s ease;
}

nav a:after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-rust);
  transition: width 0.3s ease;
}

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

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

@media (max-width: 768px) {
  nav {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-olive);
  cursor: pointer;
  padding: 8px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-medium);
  z-index: 999;
  flex-direction: column;
  gap: 0;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-gray-light);
  display: block;
  color: var(--color-black);
}

.mobile-nav a:hover {
  background-color: var(--color-linen);
}

main {
  margin-top: 70px;
}

.hero {
  background-color: var(--color-white);
  padding: 60px 70px;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    padding: 40px 20px;
  }
}

.hero img {
  width: 100%;
  max-width: 1400px;
  height: auto;
  margin: 0 auto;
  display: block;
  margin-bottom: 40px;
  border-radius: 4px;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 58px;
  margin-bottom: 16px;
  color: var(--color-black);
}

.hero p {
  font-size: 20px;
  color: #666;
  margin-bottom: 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 70px;
}

@media (max-width: 1024px) {
  .container {
    padding: 60px 50px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 40px 20px;
  }
}

.section-full-bleed {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 80px 70px;
}

@media (max-width: 768px) {
  .section-full-bleed {
    padding: 40px 20px;
  }
}

.section-olive {
  background-color: rgba(107, 142, 35, 0.08);
}

.section-linen {
  background-color: var(--color-linen);
}

.section-content {
  max-width: 1400px;
  margin: 0 auto;
}

.fibre-types-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}

@media (max-width: 768px) {
  .fibre-types-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.fibre-types-grid img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.fibre-type-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-light);
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.fibre-type-card:hover {
  border-color: var(--color-rust);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.fibre-type-card h3 {
  color: var(--color-rust);
  margin-top: 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.comparison-grid.reverse {
  grid-template-columns: 1fr 55%;
}

@media (max-width: 768px) {
  .comparison-grid.reverse {
    grid-template-columns: 1fr;
  }
}

.comparison-grid img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.callout-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.callout-card {
  background: var(--color-white);
  border-left: 4px solid var(--color-rust);
  padding: 24px;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.callout-card:hover {
  box-shadow: 0 4px 12px rgba(160, 82, 45, 0.15);
  transform: translateY(-2px);
}

.callout-card h4 {
  color: var(--color-rust);
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 18px;
}

.four-column-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

@media (max-width: 1024px) {
  .four-column-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .four-column-grid {
    grid-template-columns: 1fr;
  }
}

.food-source-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: 4px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.food-source-card:hover {
  border-color: var(--color-rust);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.food-source-card h3 {
  margin-top: 0;
  color: var(--color-rust);
  font-size: 20px;
}

.food-source-card p {
  font-size: 16px;
  color: #666;
  margin-bottom: 0;
}

.blog-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 50px;
}

@media (max-width: 1024px) {
  .blog-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-cards-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.45s ease;
}

.blog-card:hover {
  border-color: var(--color-rust);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-8px);
}

.blog-card-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: var(--color-gray-light);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 28px;
}

.blog-card h3 {
  margin-top: 0;
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--color-black);
}

.blog-card p {
  font-size: 15px;
  color: #666;
  margin-bottom: 0;
}

.accordion {
  margin-top: 40px;
}

.accordion-item {
  border: 1px solid var(--color-gray-light);
  margin-bottom: 12px;
  border-radius: 2px;
  overflow: hidden;
}

.accordion-header {
  background: var(--color-white);
  padding: 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
  border: none;
  width: 100%;
  font-size: 16px;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  color: var(--color-black);
  text-align: left;
}

.accordion-header:hover {
  background-color: var(--color-linen);
}

.accordion-icon {
  display: inline-block;
  transition: transform 0.45s ease;
  font-size: 20px;
  color: var(--color-rust);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
  background-color: var(--color-linen);
}

.accordion-item.active .accordion-content {
  max-height: 600px;
  padding: 20px;
}

.cta-section {
  text-align: center;
  padding: 60px 0;
  margin-top: 60px;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-linen) 0%, var(--color-rust) 100%);
  color: var(--color-white);
  padding: 16px 40px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(160, 82, 45, 0.3);
  color: var(--color-white);
}

footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 60px 70px;
  margin-top: 80px;
}

@media (max-width: 768px) {
  footer {
    padding: 40px 20px;
  }
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.footer-section h4 {
  color: var(--color-linen);
  margin-bottom: 16px;
  margin-top: 0;
  font-size: 16px;
}

.footer-section a {
  color: #ccc;
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.footer-section p {
  font-size: 14px;
  color: #ccc;
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-contact {
  font-size: 14px;
  color: #ccc;
  margin-bottom: 8px;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 20px;
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: #999;
}

.disclaimer {
  background-color: var(--color-linen);
  border-left: 4px solid var(--color-rust);
  padding: 24px;
  margin: 40px 0;
  border-radius: 2px;
}

.disclaimer h4 {
  margin-top: 0;
  color: var(--color-rust);
  margin-bottom: 12px;
}

.disclaimer p {
  margin-bottom: 0;
  font-size: 15px;
  color: #333;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-black);
  font-size: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-gray-medium);
  border-radius: 4px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-rust);
  box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  background-color: var(--color-olive);
  color: var(--color-white);
  padding: 12px 32px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-family: 'Source Sans 3', sans-serif;
}

.submit-button:hover {
  background-color: var(--color-rust);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 20px 70px;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .cookie-banner {
    padding: 16px 20px;
    flex-direction: column;
    gap: 16px;
  }
}

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

.cookie-text {
  font-size: 14px;
  flex: 1;
  line-height: 1.5;
}

.cookie-text a {
  color: var(--color-sage);
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .cookie-buttons {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
}

.cookie-button {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cookie-button-accept {
  background-color: var(--color-rust);
  color: var(--color-white);
}

.cookie-button-accept:hover {
  background-color: #8b3a1f;
}

.cookie-button-reject {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white);
}

.cookie-button-reject:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.success-message {
  background-color: var(--color-sage);
  border: 1px solid #6ba885;
  color: var(--color-white);
  padding: 20px;
  border-radius: 4px;
  margin: 20px 0;
  text-align: center;
}

.success-message h2 {
  color: var(--color-white);
  margin-top: 0;
  margin-bottom: 12px;
}

.return-button {
  display: inline-block;
  background-color: var(--color-olive);
  color: var(--color-white);
  padding: 12px 32px;
  border-radius: 4px;
  text-decoration: none;
  margin-top: 20px;
  transition: background-color 0.3s ease;
}

.return-button:hover {
  background-color: var(--color-rust);
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
}

.fade-up.visible {
  animation: fadeUp 0.65s ease-out forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 70px;
}

@media (max-width: 768px) {
  .page-container {
    padding: 40px 20px;
  }
}

.page-container h1 {
  color: var(--color-black);
  margin-bottom: 24px;
  margin-top: 0;
}

.page-container h2 {
  color: var(--color-rust);
  margin-top: 36px;
  font-size: 28px;
}

.page-container p {
  line-height: 1.72;
  color: #333;
}

.page-container ul,
.page-container ol {
  margin: 20px 0;
  padding-left: 30px;
}

.page-container li {
  margin-bottom: 12px;
  line-height: 1.72;
  color: #333;
}

.blog-single {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 70px;
}

@media (max-width: 768px) {
  .blog-single {
    padding: 40px 20px;
  }
}

.blog-single img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 30px 0;
  max-height: 400px;
  object-fit: cover;
}

.blog-single h1 {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--color-black);
}

.blog-single h2 {
  color: var(--color-rust);
  margin-top: 40px;
  font-size: 28px;
}

.blog-single p {
  line-height: 1.72;
  color: #333;
}

.back-link {
  display: inline-block;
  margin-bottom: 30px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-gray-light);
  transition: all 0.3s ease;
}

.back-link:hover {
  border-bottom-color: var(--color-rust);
  color: var(--color-rust);
}

.accent-rust {
  color: var(--color-rust);
}

.accent-sage {
  color: var(--color-sage);
}

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

.mt-60 {
  margin-top: 60px;
}

.mt-40 {
  margin-top: 40px;
}

.mb-40 {
  margin-bottom: 40px;
}

.py-60 {
  padding-top: 60px;
  padding-bottom: 60px;
}