:root {
  --bg: #f0f7f4; /* very light green-beige */
  --text: #1a241c; /* darker for better contrast - WCAG AA compliant */
  --accent: #5a8a4f; /* darker green for better contrast */
  --accent2: #7fb069; /* medium green */
  --accent-dark: #4a6f3f; /* darker green */
  --accent-light: #a8d5a3;
  --light: #ffffff;
  --gray: #3d4a3f; /* darker gray for better contrast - WCAG AA compliant */
  --shadow: rgba(0, 0, 0, 0.08);
  --shadow-hover: rgba(0, 0, 0, 0.12);
  --focus-outline: 3px solid var(--accent-dark);
  --focus-outline-offset: 2px;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7; /* Improved for readability - WCAG recommends 1.5 minimum */
  scroll-behavior: smooth;
  font-size: 1rem; /* 16px base font size - WCAG compliant */
}

/* Skip link for keyboard navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-dark);
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 1000;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid white;
  outline-offset: 2px;
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Hero Section Header */
main > header,
header#home {
  text-align: center;
  padding: 0 1rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-light) 50%,
    var(--bg) 100%
  );
  position: relative;
  overflow: hidden;
}

main > header::before,
header#home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 20% 50%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-subtitle {
  font-size: 1.4rem;
  max-width: 700px;
  margin: 1.5rem auto 2.5rem;
  color: var(--text); /* Better contrast than gray */
  font-weight: 400;
  line-height: 1.7;
}

.cta-button {
  display: inline-block;
  background: var(--accent-dark);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(90, 138, 79, 0.3);
  border: 2px solid transparent; /* Reserve space for focus outline */
}

.cta-button:hover {
  background: #4a6f3f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(90, 138, 79, 0.4);
}

.cta-button:focus {
  outline: 3px solid white;
  outline-offset: 3px;
  background: #4a6f3f;
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

main > header p,
header#home p {
  font-size: 1.3rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text); /* Better contrast */
  line-height: 1.7;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  min-height: auto; /* Override any inherited min-height */
  display: block; /* Override flex from hero header */
  text-align: left; /* Override center from hero header */
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--accent-dark);
  font-size: 1.5rem;
  font-weight: 700;
  transition: opacity 0.3s;
}

.logo a:hover {
  opacity: 0.8;
}

.logo a:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: 4px;
}

.logo-icon {
  font-size: 2rem;
  line-height: 1;
}

.logo-text {
  font-size: 1.5rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

nav a {
  margin: 0;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
  padding: 0.5rem 1rem;
  font-size: 1rem; /* Minimum 16px for readability */
  border-radius: 4px;
  display: inline-block;
}

nav a:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  background: rgba(90, 138, 79, 0.1);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 2px;
  background: var(--accent);
  transition: transform 0.3s;
}

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

nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

section {
  padding: 5rem 1rem;
  width: 100%;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-intro {
  font-size: 1.2rem;
  color: var(--text); /* Better contrast for readability */
  max-width: 700px;
  margin: 1rem auto 0;
  line-height: 1.8;
}

h2 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  color: var(--accent-dark); /* Darker for better contrast */
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

#about,
#foods,
#benefits,
#tips,
#testimonials {
  text-align: center;
}

.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.food-card {
  background: var(--light);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 25px var(--shadow);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.food-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 12px 40px var(--shadow-hover);
}

.food-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.food-info {
  padding: 1.5rem;
}

.food-info h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.food-info p {
  color: var(--gray);
  font-size: 1rem; /* Minimum 16px for readability */
  line-height: 1.7;
}

#contact {
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-light) 50%,
    var(--bg) 100%
  );
  color: var(--text);
  text-align: center;
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 20% 50%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
  pointer-events: none;
}

#contact p {
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1.7;
}

form {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 1.2rem;
  width: 100%;
  padding: 0 1rem;
}

#contact form {
  max-width: 600px;
  margin: 0 auto;
}

input,
textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  font-size: 1rem; /* Minimum 16px - prevents zoom on iOS */
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  line-height: 1.6;
  min-height: 44px; /* WCAG touch target size */
}

input::placeholder,
textarea::placeholder {
  color: var(--gray);
  opacity: 0.7;
}

input:focus,
textarea:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.95);
}

input:focus-visible,
textarea:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

button {
  background: var(--accent-dark);
  color: white;
  border: 2px solid transparent;
  padding: 1rem;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 600;
  min-height: 44px; /* WCAG touch target size */
}

button:hover {
  background: #4a6f3f;
}

button:focus {
  outline: 3px solid white;
  outline-offset: 3px;
  background: #4a6f3f;
}

/* About Section Cards */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.about-card {
  background: var(--light);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.about-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px var(--shadow-hover);
}

.about-card .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.about-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: var(--accent-dark);
}

.about-card p {
  color: var(--gray);
  line-height: 1.8;
  font-size: 1rem;
}

/* Benefits Section */
#benefits {
  background: linear-gradient(
    to bottom,
    var(--bg) 0%,
    rgba(127, 176, 105, 0.1) 100%
  );
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.benefit-item {
  background: var(--light);
  padding: 2rem;
  border-radius: 16px;
  text-align: left;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
  border-left: 4px solid var(--accent);
}

.benefit-item:hover {
  transform: translateX(8px);
  box-shadow: 0 6px 25px var(--shadow-hover);
}

.benefit-item h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--accent-dark);
}

.benefit-item p {
  color: var(--gray);
  line-height: 1.8;
  font-size: 1rem;
}

/* Tips Section */
#tips {
  background: var(--light);
}

.tips-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.tip-card {
  background: linear-gradient(
    135deg,
    rgba(127, 176, 105, 0.1) 0%,
    rgba(168, 213, 163, 0.1) 100%
  );
  padding: 2.5rem 2rem;
  border-radius: 16px;
  border: 2px solid rgba(127, 176, 105, 0.3);
  transition: all 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 8px 25px var(--shadow);
}

.tip-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--accent-dark);
}

.tip-card p {
  color: var(--gray);
  line-height: 1.8;
  font-size: 1rem;
}

/* Testimonials Section */
#testimonials {
  background: linear-gradient(
    to bottom,
    rgba(168, 213, 163, 0.15) 0%,
    var(--bg) 100%
  );
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-card {
  background: var(--light);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 25px var(--shadow);
  position: relative;
  transition: all 0.3s ease;
  border-top: 4px solid var(--accent2);
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 35px var(--shadow-hover);
}

.testimonial-card .quote {
  font-size: 4rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.3;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 1.5rem;
  min-height: 44px; /* Ensure readable text area */
}

.testimonial-author {
  font-weight: 600;
  color: var(--accent-dark);
  font-size: 1rem;
}

/* Site Footer */
.site-footer {
  background: var(--text);
  color: var(--light);
  padding: 0;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-section h3 {
  color: var(--light);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  font-size: 1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s;
  font-size: 1rem;
  display: inline-block;
  padding: 0.25rem 0;
}

.footer-section ul li a:hover {
  color: var(--accent-light);
}

.footer-section ul li a:focus {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
  }

  .logo {
    width: 100%;
    display: flex;
    justify-content: center;
  }

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

  nav a {
    margin: 0 0.4rem;
    font-size: 0.9rem;
    padding: 0.5rem 0.4rem;
  }

  main > header,
  header#home {
    padding: 0 1rem;
    min-height: 100vh;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-intro {
    font-size: 1rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem 2rem;
  }

  .footer-bottom {
    padding: 1.5rem 1rem;
  }

  .cta-button {
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }

  section {
    padding: 3.5rem 1rem;
  }

  .about-grid,
  .benefits-grid,
  .tips-container,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .food-grid {
    grid-template-columns: 1fr;
  }
}