/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
  /* Colors */
  --color-primary: #0e1933;
  --color-accent: #9e6f21;
  --color-white: #ffffff;
  --color-light-bg: #f8f7f5;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  
  /* Typography */
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Container */
  --container-max-width: 1200px;
  
  /* Transitions */
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

.large-text {
  font-size: 1.25rem;
  line-height: 1.6;
}

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

.section-intro {
  text-align: center;
  font-size: 1.125rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-text-light);
}

strong {
  color: var(--color-primary);
}

.star {
  color: var(--color-accent);
  font-weight: bold;
}

/* ========================================
   Layout
   ======================================== */

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

section {
  padding: 5rem 0;
}

/* Alternating section backgrounds */
.problem-section,
.guidelines-section,
.about-section {
  background-color: var(--color-light-bg);
}

/* ========================================
   Header
   ======================================== */

.header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-accent);
  padding: var(--spacing-sm) 0;
  position: relative;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-placeholder,
.logo {
  height: 60px;
  display: flex;
  align-items: center;
  font-weight: bold;
  color: var(--color-primary);
  background-color: var(--color-light-bg);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px dashed var(--color-accent);
  border-radius: 4px;
}

.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--color-primary);
  font-weight: 500;
  padding: 0.5rem var(--spacing-sm);
  transition: var(--transition);
}

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

.nav-link-cta {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
}

.nav-link-cta:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-accent);
  padding: var(--spacing-sm) 0;
}

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

.mobile-nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-primary);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link:hover {
  background-color: var(--color-light-bg);
  color: var(--color-accent);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #b8802a;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
  display: block;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(14, 25, 51, 0.9) 0%, rgba(14, 25, 51, 0.7) 100%);
  z-index: 1;
}

.hero-image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a2a4a 0%, #2d4059 100%);
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.5rem;
  text-align: center;
  padding: var(--spacing-md);
  font-style: italic;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.6;
}

/* ========================================
   Problem Section
   ======================================== */

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

.problem-content {
  max-width: 800px;
  margin: 0 auto;
}

/* ========================================
   Plate Method Section
   ======================================== */

.plate-method-section {
  background-color: var(--color-white);
}

.plate-diagram-placeholder {
  max-width: 600px;
  height: 400px;
  margin: var(--spacing-lg) auto;
  background: linear-gradient(135deg, var(--color-light-bg) 0%, #e8e4dc 100%);
  border: 3px dashed var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-md);
  color: var(--color-text-light);
  font-style: italic;
}

.plate-method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.plate-method-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  transition: var(--transition);
}

.plate-method-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.card-highlight {
  background-color: var(--color-light-bg);
  border-color: var(--color-accent);
}

.card-title {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 3px solid var(--color-accent);
}

.card-list {
  margin-bottom: var(--spacing-sm);
}

.card-list li {
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.card-list li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.card-callout {
  background-color: rgba(158, 111, 33, 0.1);
  padding: var(--spacing-sm);
  border-left: 4px solid var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: var(--spacing-sm);
}

/* ========================================
   Beef Benefits Section
   ======================================== */

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

.beef-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.benefit-card {
  background-color: var(--color-light-bg);
  padding: var(--spacing-md);
  border-radius: 8px;
  border-left: 4px solid var(--color-accent);
  transition: var(--transition);
}

.benefit-card:hover {
  background-color: #ebe7df;
  transform: translateY(-2px);
}

.benefit-card h4 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
  font-size: 1.125rem;
}

.benefit-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.grass-fed-callout {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-top: var(--spacing-lg);
  text-align: center;
}

.grass-fed-callout p {
  font-size: 1.125rem;
  margin: 0;
}

/* ========================================
   Guidelines Section
   ======================================== */

.guidelines-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.guideline-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  border: 2px solid var(--color-border);
  transition: var(--transition);
}

.guideline-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.guideline-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

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

.guideline-card p {
  color: var(--color-text-light);
  font-size: 1rem;
}

/* ========================================
   Culture Section
   ======================================== */

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

.culture-content {
  max-width: 800px;
  margin: 0 auto;
}

/* ========================================
   About Section
   ======================================== */

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-logo-placeholder {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--color-primary);
  background-color: var(--color-light-bg);
  padding: var(--spacing-md);
  border: 2px dashed var(--color-accent);
  border-radius: 4px;
  margin: 0 auto var(--spacing-md);
  max-width: 300px;
}

.about-info {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--color-accent);
}

.about-info p {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Sign Up Section
   ======================================== */

.signup-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a2a4a 100%);
  color: var(--color-white);
}

.signup-section .section-title,
.signup-section .section-intro {
  color: var(--color-white);
}

.signup-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.form-container {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-top: var(--spacing-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Form Styles */
.placeholder-form {
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  transition: var(--transition);
  font-family: var(--font-body);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(158, 111, 33, 0.1);
}

.checkbox-group {
  margin-top: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-note {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background-color: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  color: var(--color-text);
  font-size: 0.875rem;
}

.privacy-note {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo-placeholder {
  height: 60px;
  display: flex;
  align-items: center;
  font-weight: bold;
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px dashed var(--color-accent);
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
}

.footer-tagline {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-accent);
  line-height: 1.5;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.footer-column h4 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
  .plate-method-grid {
    grid-template-columns: 1fr;
  }
  
  .beef-benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Typography */
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .large-text {
    font-size: 1.125rem;
  }
  
  /* Layout */
  section {
    padding: 3rem 0;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  /* Header */
  .nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Hero */
  .hero {
    min-height: 500px;
  }
  
  .hero-image-placeholder {
    font-size: 1rem;
  }
  
  /* Plate Diagram */
  .plate-diagram-placeholder {
    height: 300px;
    font-size: 0.95rem;
  }
  
  /* Grids */
  .beef-benefits-grid,
  .guidelines-grid {
    grid-template-columns: 1fr;
  }
  
  /* Form */
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: var(--spacing-md);
  }
  
  /* Footer */
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  /* Buttons */
  .btn {
    padding: 0.875rem 1.5rem;
  }
  
  .btn-large {
    padding: 1rem 2rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .plate-diagram-placeholder {
    height: 250px;
  }
  
  .guideline-icon {
    font-size: 2.5rem;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .header,
  .mobile-nav,
  .footer,
  .btn {
    display: none;
  }
  
  section {
    page-break-inside: avoid;
  }
}