/* ===== PRODUCT PAGE ===== */
.product-page {
  font-family: 'Inter', 'Segoe UI', Tahoma, sans-serif;
  font-size: 14px;
  color: #1a1a1a; /* основной текст */
  line-height: 1.6;
  background: #fff;
}

/* container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HERO ===== */
.product-hero {
  padding: 60px 0;
  background: #f8fafc;
}

.product-hero .container {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.product-left {
  flex: 1;
}

.product-left img {
  width: 100%;
  border-radius: 10px;
  object-fit: contain;
}

.product-right {
  flex: 1;
}

.product-right h1 {
  font-size: 16px; /* как заголовки футера */
  font-weight: 600;
  margin-bottom: 12px;
  color: #111111;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.subtitle {
  font-size: 14px;
  color: #1a1a1a;
  margin-bottom: 18px;
}

/* badges */
.product-short {
  margin-bottom: 18px;
}

.product-short span {
  display: inline-block;
  background: #e5e7eb;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-right: 8px;
}

/* advantages */
.product-advantages {
  margin-bottom: 18px;
  padding-left: 0;
  list-style: none;
  font-size: 14px;
}

.product-advantages li {
  margin-bottom: 6px;
}

/* buttons */
.product-buttons {
  display: flex;
  gap: 14px;
  margin-top: 14px;
}

.btn {
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
}

.btn.primary {
  background: #0073c6; /* синий как ссылки футера */
  color: #fff;
}

.btn.primary:hover {
  background: #005fa3;
}

.btn.secondary {
  border: 1px solid #ccc;
  color: #1a1a1a;
}

.btn.secondary:hover {
  background: #f3f4f6;
}

/* ===== TABS ===== */
.product-tabs {
  padding: 38px 0;
}

.tabs-nav {
  display: flex;
  gap: 28px;
  border-bottom: 1px solid #e5e7eb;
}

.tab-btn {
  background: none;
  border: none;
  font-size: 14px; /* как обычный текст футера */
  padding: 10px 0;
  cursor: pointer;
  color: #1a1a1a;
  position: relative;
  font-weight: 500;
}

.tab-btn.active {
  color: #111111;
}

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: #0073c6; /* синий как ссылки футера */
}

/* tab content */
.tab-content {
  display: none;
  padding-top: 18px;
}

.tab-content.active {
  display: block;
}

/* ===== SPECS ===== */
.specs {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.specs tr:hover {
  background: #f9fafb;
}

.specs td {
  padding: 10px;
  border-bottom: 1px solid #e5e7eb;
}

.specs td:first-child {
  color: #1a1a1a;
  width: 45%;
}

/* ===== DOCS ===== */
.docs-grid {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.doc-card {
  font-size: 14px;
  padding: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  text-decoration: none;
  color: #1a1a1a;
  transition: 0.3s;
  min-width: 160px;
  font-weight: 500;
  position: relative;
}

.doc-card::before {
  content: "\1F4C4"; /* Unicode icon 📄 */
  margin-right: 8px;
  font-size: 16px;
}

.doc-card:hover {
  border-color: #0073c6;
  background: #f5f5f5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .product-hero .container {
    flex-direction: column;
  }
  .tabs-nav {
    gap: 14px;
    overflow-x: auto;
  }
}

@media (max-width: 600px) {
  .product-right h1 {
    font-size: 16px;
  }
}