/* === Personal Harvest Helper - Main Stylesheet === */

:root {
  --green-900: #1b4332;
  --green-800: #2d6a4f;
  --green-700: #40916c;
  --green-600: #52b788;
  --green-500: #74c69d;
  --green-200: #d8f3dc;
  --green-100: #f0f7f4;
  --earth: #d4a373;
  --earth-dark: #bc8034;
  --earth-light: #faedcd;
  --dark: #1a1a2e;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
  --radius: 12px;
  --radius-sm: 6px;
  --max-width: 1200px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* === Utility === */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* === Typography === */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; color: var(--green-800); }
h3 { font-size: 1.5rem; color: var(--green-700); }
p { margin-bottom: 1rem; color: var(--gray-700); }
a { color: var(--green-700); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green-900); }
ul, ol { margin-bottom: 1rem; padding-left: 1.5rem; color: var(--gray-700); }
li { margin-bottom: 0.5rem; }

/* === Header / Navigation === */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--green-800);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo:hover { color: var(--green-800); }
.logo-icon { font-size: 1.6rem; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--green-700);
  border-bottom-color: var(--green-600);
}
.nav-cta {
  background: var(--green-800);
  color: var(--white) !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  border-bottom: none !important;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--green-900) !important; color: var(--white) !important; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--green-800);
  padding: 8px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--green-800);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--green-900);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--earth);
  color: var(--white);
}
.btn-secondary:hover {
  background: var(--earth-dark);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--green-700);
  border: 2px solid var(--green-600);
}
.btn-outline:hover {
  background: var(--green-100);
  transform: translateY(-1px);
}
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* === Hero === */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--green-100) 0%, var(--white) 100%);
  text-align: center;
}
.hero h1 {
  max-width: 800px;
  margin: 0 auto 20px;
  color: var(--green-900);
  font-size: 3rem;
}
.hero p {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 1.2rem;
  color: var(--gray-500);
}
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.hero-badge {
  background: var(--white);
  border: 1px solid var(--green-200);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 0.9rem;
  color: var(--green-700);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

/* === Sections === */
.section { padding: 64px 0; }
.section-alt { background: var(--green-100); }
.section-heading {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}
.section-heading p { font-size: 1.1rem; color: var(--gray-500); }

/* === Features Grid === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--gray-100);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; margin-bottom: 0; }

/* === Pricing === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--gray-100);
  transition: transform 0.2s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--green-600);
  background: linear-gradient(180deg, var(--green-100) 0%, var(--white) 100%);
  position: relative;
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green-800);
  color: var(--white);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}
.price { font-size: 3rem; font-weight: 800; color: var(--green-900); margin: 16px 0; }
.price span { font-size: 1rem; font-weight: 400; color: var(--gray-500); }
.pricing-card ul { list-style: none; padding: 0; margin: 24px 0; }
.pricing-card ul li { padding: 8px 0; border-bottom: 1px solid var(--gray-100); }
.pricing-card ul li:last-child { border-bottom: none; }
.pricing-card ul li::before { content: '✓ '; color: var(--green-600); font-weight: 700; }

/* === Email Signup === */
.signup-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 24px auto;
  flex-wrap: wrap;
  justify-content: center;
}
.signup-form input[type="email"] {
  flex: 1;
  min-width: 250px;
  padding: 14px 20px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.signup-form input[type="email"]:focus {
  outline: none;
  border-color: var(--green-600);
}
.signup-form button { white-space: nowrap; }

/* === Blog === */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}
.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--gray-100);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--green-200);
}
.blog-card-body { padding: 24px; }
.blog-card-category {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.blog-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.blog-card h3 a { color: var(--dark); }
.blog-card h3 a:hover { color: var(--green-700); }
.blog-card p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 0; }
.blog-meta {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 12px;
}

/* === Blog Post === */
.post-header {
  padding: 48px 0 32px;
  background: var(--green-100);
}
.post-category {
  display: inline-block;
  background: var(--green-800);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.post-header h1 { font-size: 2.2rem; margin-bottom: 12px; color: var(--green-900); }
.post-meta { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 0; }
.post-featured-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 32px 0;
}
.post-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.post-content h2 { margin-top: 2rem; margin-bottom: 1rem; }
.post-content h3 { margin-top: 1.5rem; margin-bottom: 0.75rem; }
.post-content ul, .post-content ol { margin-bottom: 1.5rem; }
.post-content li { margin-bottom: 0.5rem; }
.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
}
.post-content blockquote {
  border-left: 4px solid var(--green-600);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--green-100);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--gray-700);
}

/* === About Page === */
.about-story {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
}

/* === Contact / Waitlist === */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-600);
}
.form-group textarea { min-height: 150px; resize: vertical; }
.form-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 48px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

/* === Category List === */
.category-list { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 24px 0; }
.category-tag {
  background: var(--green-100);
  color: var(--green-800);
  padding: 8px 20px;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.category-tag:hover {
  background: var(--green-800);
  color: var(--white);
  border-color: var(--green-800);
}

/* === Footer === */
.site-footer {
  background: var(--green-900);
  color: var(--green-200);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand h3 { color: var(--white); font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand p { color: var(--green-500); font-size: 0.9rem; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: var(--green-500); font-size: 0.9rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--green-800);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--green-500);
}

/* === Page Header === */
.page-header {
  padding: 48px 0;
  background: var(--green-100);
  text-align: center;
}
.page-header h1 { color: var(--green-900); }
.page-header p { max-width: 500px; margin: 12px auto 0; color: var(--gray-500); }

/* === Waitlist Specific === */
.waitlist-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin: 32px 0;
}
.benefit-item {
  text-align: center;
  padding: 24px;
}
.benefit-icon { font-size: 2rem; margin-bottom: 12px; }
.benefit-item h4 { color: var(--green-800); margin-bottom: 8px; }
.benefit-item p { font-size: 0.9rem; margin-bottom: 0; }

/* === Responsive === */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .mobile-toggle { display: block; z-index: 101; position: relative; background: transparent; border: none; cursor: pointer; width: 36px; height: 36px; padding: 0; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--green-800); }
  .nav-links {
    position: fixed;
    top:0; right:0; width: 75%; height:100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 32px 32px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    gap: 8px;
    z-index: 100;
    border-left: 1px solid var(--gray-100);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { padding: 12px 0; font-size: 1.1rem; border-bottom: 1px solid var(--gray-100); width: 100%; }
  .nav-links a.active { border-bottom-color: var(--green-600); }
  .nav-cta { text-align: center; margin-top: 16px; }
  .overlay {
    position: fixed; top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.4);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }
  .overlay.open { opacity: 1; pointer-events: auto; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .post-header h1 { font-size: 1.6rem; }
  .form-card { padding: 32px 24px; }
  .signup-form { flex-direction: column; align-items: stretch; }
  .signup-form input { min-width: auto; }
  .btn-lg { width: 100%; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-badges { flex-direction: column; align-items: center; }
}