:root {
  --bg: #f0f9f5;
  --card: #ffffff;
  --accent: #0d5c3e;
  --accent-2: #1fa45d;
  --accent-light: #e0f5eb;
  --muted: #5f6b63;
  --soft: #eaf6ed;
  --glass: rgba(255,255,255,0.8);
  --maxw: 1200px;
  --radius: 16px;
  --radius-pill: 50px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1a2e22;
  line-height: 1.6;
}

/* reset */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background: linear-gradient(180deg, #ffffff, var(--bg));
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:24px;
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1.45;
}

/* layout wrapper */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}

/* header */
.site-header{width:100%;background:linear-gradient(90deg, rgba(19,111,61,0.06), rgba(31,164,93,0.02));border-radius:14px;padding:14px;border:1px solid rgba(10,10,10,0.03);box-shadow:var(--shadow);margin-bottom:18px}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.logo-mark{width:56px;height:56px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px}
.brand h1{font-size:1.25rem;color:var(--accent);margin-bottom:4px}
.tag{color:var(--muted);font-size:0.95rem}

/* nav */
.main-nav{display:flex;gap:10px;align-items:center}
.main-nav a{padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--accent);font-weight:700}
.main-nav a.active{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(19,111,61,0.12)}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(13, 92, 62, 0.03), rgba(31, 164, 93, 0.02));
  padding: 3.5rem 2.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(13, 92, 62, 0.05);
  margin: 2rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
}

.hero h2 {
  color: var(--accent);
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  font-weight: 800;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 4px 15px rgba(13, 92, 62, 0.2);
}

.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 92, 62, 0.25);
}

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

.btn-outline:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature {
  background: var(--card);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.feature h3 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  position: relative;
  padding-left: 1.75rem;
}

.feature h3:before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
}

.feature p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.feature .link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.feature .link:after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.feature .link:hover {
  color: var(--accent-2);
}

.feature .link:hover:after {
  transform: translateX(3px);
}

/* Problem Solution Section */
.problem-solution {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.ps-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.03);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ps-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
}

.ps-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.ps-card h3 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ps-card h3:before {
  content: '•';
  color: var(--accent-2);
  font-size: 1.5rem;
  line-height: 1;
}

.ps-card p {
  color: var(--muted);
  line-height: 1.6;
}

/* Quick Guides */
.quick-guides {
  margin: 3rem 0;
}

.quick-guides h3 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.quick-guides h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 3px;
}

.guide-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.guide {
  background: white;
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.03);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.guide:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.guide h4 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide h4:before {
  content: '🌱';
  font-size: 1.25em;
}

.guide ol {
  padding-left: 1.5rem;
  margin: 0;
}

.guide li {
  margin-bottom: 0.5rem;
  color: var(--muted);
  position: relative;
  padding-left: 0.5rem;
}

.guide li:before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* generic content grid for pages */
.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.panel{background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(10,10,10,0.03);box-shadow:0 8px 18px rgba(10,20,10,0.03)}
.panel.wide{grid-column:1 / -1}
.panel.side{background:#fbfff9}

/* forms */
.form{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.form label{font-weight:700;color:#0b3f24}
.form input[type="text"], .form input[type="tel"], .form input[type="number"], .form select, .form textarea, .form input[type="file"]{
  padding:10px;border-radius:10px;border:1px solid #e8efe8;background:#fff;font-size:0.95rem;width:100%;
}
.form textarea{min-height:80px;resize:vertical}
.form-row{display:flex;gap:10px;align-items:center;margin-top:6px}
.note-box{background:var(--soft);padding:10px;border-radius:8px;border:1px solid rgba(19,111,61,0.06);font-size:0.95rem}
.muted{color:var(--muted);font-size:0.95rem}
.help{font-size:0.9rem;color:var(--muted);margin-top:8px}

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  background: var(--accent-light);
}

.card-body {
  padding: 1.5rem;
  flex: 1;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.03);
  background: var(--bg);
}

/* Pill Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-sm {
  padding: 0.4rem 1.2rem;
  font-size: 0.85rem;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 4px 15px rgba(13, 92, 62, 0.2);
}

.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 92, 62, 0.25);
}

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

.btn-outline:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

/* Feature Cards */
.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.75rem;
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.feature-card h3 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  position: relative;
  padding-left: 0.5rem;
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Stats Cards */
.stats-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.stats-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.stats-card .number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.stats-card .label {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Lists */
.seasons ul, .feature ul {
  padding-left: 1.5rem;
  margin: 1rem 0;
  list-style-type: none;
}

.seasons li, .feature li {
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.seasons li::before, .feature li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: bold;
}

.crop-card {
  background: var(--bg);
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.03);
  margin-bottom: 1rem;
  transition: var(--transition);
}

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

/* footer */
.site-footer{margin-top:18px;padding:14px;border-radius:10px;width:100%;border:1px solid rgba(10,10,10,0.03);background:transparent}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer-links a{margin-left:8px;color:var(--muted);text-decoration:none;font-weight:700}

/* responsive */
@media (max-width:980px){
  .features-grid{grid-template-columns:repeat(1,1fr)}
  .problem-solution{grid-template-columns:repeat(1,1fr)}
  .content-grid{grid-template-columns:1fr}
  .guide-row{flex-direction:column}
  .main-nav{display:none}
  .header-row{flex-direction:column;align-items:flex-start;gap:10px}
}