/* Общие стили */
:root {
  --color-primary: #2e7d32;       /* землисто-зелёный */
  --color-primary-hover: #1b5e20;
  --color-secondary: #333;
  --color-bg: #f8fbf7;
  --color-card-bg: #ffffff;
  --color-text: #333;
  --color-muted: #777;
  --radius: 8px;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  font-weight: 700;
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  margin-left: 1.2rem;
  text-decoration: none;
  color: var(--color-secondary);
  transition: color 0.2s;
}
.main-nav a:hover { color: var(--color-primary); }
.actions .btn { margin-left: 1rem; }

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-weight: 500;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,0,0,0.1);
  color: var(--color-secondary);
}
.btn-outline {
  background: transparent;
  border: 1px solid #ccc;
  color: var(--color-secondary);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: 0.9rem 1.6rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
  padding: 3rem 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 0.5rem;
  color: var(--color-secondary);
}
.hero-subtitle {
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}
.hero-actions { margin-top: 1rem; }

/* Features */
.features { padding: 3rem 0; }
.section-title {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  text-align: center;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--color-card-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  display: block;
}
.feature-card h3 { margin: 0 0 0.5rem; }

/* Order form */
.order-section { padding: 3rem 0; background: #fff; }
.form-grid { display: grid; gap: 1rem; }
.form-grid-2cols { grid-template-columns: 1fr 1fr; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 600; }
.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-size: 1rem;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

/* Steps */
.steps { padding: 3rem 0; }
.steps-list {
  max-width: 600px;
  margin: 0 auto;
  counter-reset: step;
  list-style: none;
}
.steps-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 1rem;
  color: var(--color-muted);
}
.steps-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

/* Footer */
.site-footer {
  background: #222;
  color: #aaa;
  padding: 2rem 0;
  margin-top: 3rem;
}
.footer-note { margin-top: 0.5rem; font-size: 0.9rem; }

/* Адаптив */
@media (max-width: 768px) {
  .header-content { flex-direction: column; gap: 1rem; }
  .main-nav a { margin: 0.5rem 0; display: block; text-align: center; }
  .actions .btn { width: 100%; margin: 0; }
  .hero h1 { font-size: 1.8rem; }
  .form-grid-2cols { grid-template-columns: 1fr; }
}