/* ================================
   Глобални стилове за сайта
   ================================ */
:root {
  --color-bg: #f9fafb;
  --color-text: #111827;
  --color-primary: #2563eb;
  --color-secondary: #1e40af;
  --color-accent: #22c55e;
  --color-border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 4px 12px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
}

/* ================================
   Хедър и навигация
   ================================ */
.site-header {
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  gap: 10px;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.menu a {
  text-decoration: none;
  color: var(--color-text);
  margin-left: 20px;
  font-weight: 500;
  transition: color .2s;
}

.menu a:hover,
.menu a.active {
  color: var(--color-primary);
}

.badge {
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 12px;
  padding: 3px 8px;
  margin-left: 5px;
}

/* ================================
   Hero секция
   ================================ */
.hero {
  background: linear-gradient(135deg, #dbeafe, #f0fdf4);
  padding: 60px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.hero-copy h1 {
  font-size: 2rem;
  color: var(--color-secondary);
}

.hero-copy p {
  font-size: 1rem;
  max-width: 500px;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  transition: background .2s;
}

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

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

.btn-secondary {
  background: white;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

/* ================================
   Features
   ================================ */
.features {
  padding: 50px 0;
  background: #fff;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature h3 {
  color: var(--color-primary);
}

/* ================================
   Продукти – демо карти на начална страница
   ================================ */
.highlight {
  padding: 50px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.product-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: transform .2s;
}

.product-card:hover {
  transform: translateY(-3px);
}

.product-card .image {
  height: 180px;
  background: linear-gradient(135deg, #bfdbfe, #bbf7d0);
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius) var(--radius) 0 0;
}

.product-card .content {
  padding: 15px;
}

.product-card h4 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}

.price {
  color: var(--color-accent);
  font-weight: 700;
}

/* ================================
   Footer
   ================================ */
.site-footer {
  background: #111827;
  color: #f9fafb;
  text-align: center;
  padding: 30px 20px;
  margin-top: 40px;
}