/* ============================================================
   GIDROX — фирменный стиль: чёрный / белый / жёлтый
   ============================================================ */

:root {
  --black:   #0a0a0a;
  --dark:    #111111;
  --card-bg: #1a1a1a;
  --yellow:  #FFB300;
  --yellow2: #FFA000;
  --white:   #FFFFFF;
  --gray:    #888888;
  --border:  #2a2a2a;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--yellow); text-decoration: none; }
a:hover { color: var(--yellow2); }

img { max-width: 100%; display: block; }

/* ─── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.4rem, 3vw, 2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }

.text-yellow { color: var(--yellow); }
.text-gray   { color: var(--gray); }
.text-center { text-align: center; }

/* ─── Layout ───────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.btn-yellow {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn-yellow:hover {
  background: var(--yellow2);
  border-color: var(--yellow2);
  color: var(--black);
}
.btn-outline {
  background: transparent;
  color: var(--yellow);
  border-color: var(--yellow);
}
.btn-outline:hover {
  background: var(--yellow);
  color: var(--black);
}
.btn-sm { padding: 8px 20px; font-size: 0.82rem; }

/* ─── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.03em;
}
.navbar-logo .logo-diamond {
  width: 34px;
  height: 34px;
  background: var(--yellow);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.navbar-logo .logo-diamond-inner {
  width: 18px;
  height: 18px;
  background: var(--black);
  transform: rotate(0deg);
  margin: 8px;
}
.navbar-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}
.navbar-nav a {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.navbar-nav a:hover,
.navbar-nav a.active { color: var(--yellow); }

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  margin: 6px 0;
  transition: 0.2s;
}

/* ─── Chevron decorator ────────────────────────────────────── */
.chevron-section {
  position: relative;
  overflow: hidden;
}
.chevron-section::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 120px;
  height: 120px;
  border: 20px solid var(--yellow);
  transform: translateY(-50%) rotate(45deg);
  opacity: 0.08;
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  border-bottom: 3px solid var(--yellow);
}
.hero::before {
  display: none;
}
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.hero-content {
  flex: 1;
}
.hero-logo {
  flex-shrink: 0;
  opacity: 0.15;
}
.hero-logo img {
  width: 320px;
  max-width: 40vw;
}
.hero-badge {
  display: inline-block;
  background: var(--yellow);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 6px 16px;
  margin-bottom: 24px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--yellow); }
.hero p {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── Stats bar ────────────────────────────────────────────── */
.stats-bar {
  background: var(--yellow);
  padding: 24px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 0 16px;
  border-right: 1px solid rgba(0,0,0,0.15);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--black);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(0,0,0,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── Section header ───────────────────────────────────────── */
.section-header { margin-bottom: 48px; }
.section-header h2 { color: var(--white); }
.section-header .subtitle {
  color: var(--gray);
  margin-top: 12px;
  font-size: 1.05rem;
}
.yellow-line {
  width: 60px;
  height: 4px;
  background: var(--yellow);
  margin: 16px 0;
}
.yellow-line.center { margin: 16px auto; }

/* ─── Product cards ────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
}
.product-card-image {
  background: #1e1e1e;
  aspect-ratio: 700 / 933;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product-card-image .no-photo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--gray);
  font-size: 0.85rem;
  text-align: center;
  padding: 24px;
}
.product-card-image .no-photo svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}
.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-card-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--yellow);
  font-weight: 700;
}
.product-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.product-card-short {
  font-size: 0.85rem;
  color: var(--gray);
  flex: 1;
}
.specs-mini {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.spec-tag {
  background: #222;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--gray);
  padding: 3px 8px;
  font-weight: 500;
}
.spec-tag span { color: var(--yellow); font-weight: 700; }

/* ─── Product detail ───────────────────────────────────────── */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.product-gallery {
  position: sticky;
  top: 90px;
}
.product-main-image {
  background: var(--card-bg);
  aspect-ratio: 700 / 933;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 12px;
}
.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}
.product-thumbnails {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.product-thumb {
  width: 72px;
  height: 72px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
}
.product-thumb:hover,
.product-thumb.active { border-color: var(--yellow); }
.product-thumb img { width: 100%; height: 100%; object-fit: contain; }

.product-info h1 { color: var(--white); margin-bottom: 8px; }
.product-model {
  font-size: 0.8rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 20px;
}
.product-short {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 28px;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
  padding: 10px 0;
  font-size: 0.9rem;
}
.specs-table td:first-child { color: var(--gray); width: 50%; }
.specs-table td:last-child { color: var(--white); font-weight: 600; }
.product-description {
  color: #ccc;
  line-height: 1.75;
  margin-bottom: 28px;
  white-space: pre-line;
}
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── Wholesale page ───────────────────────────────────────── */
.wholesale-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.wholesale-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 32px 28px;
  border-top: 3px solid var(--yellow);
}
.wholesale-card h3 { margin-bottom: 12px; }
.wholesale-card p { color: var(--gray); font-size: 0.95rem; }

/* ─── Contacts / Form ──────────────────────────────────────── */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contacts-info h2 { margin-bottom: 24px; }
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}
.contact-item p { color: var(--gray); font-size: 0.9rem; margin-top: 2px; }
.contact-item strong { color: var(--white); }

.form-box {
  background: var(--card-bg);
  padding: 40px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--yellow);
}
.form-box h3 { margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 8px;
  font-weight: 600;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: #222;
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 16px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--yellow);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ─── Flash messages ───────────────────────────────────────── */
.flash-messages { padding: 0 0 24px; }
.flash {
  padding: 14px 20px;
  font-size: 0.9rem;
  margin-bottom: 8px;
  border-left: 4px solid;
}
.flash.success { background: #0d2818; border-color: #2ecc71; color: #2ecc71; }
.flash.error   { background: #2a0a0a; border-color: #e74c3c; color: #e74c3c; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--yellow);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: var(--gray); font-size: 0.9rem; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--gray); font-size: 0.8rem; }

/* ─── Admin ────────────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-sidebar {
  background: var(--dark);
  border-right: 1px solid var(--border);
  padding: 32px 0;
}
.admin-sidebar-logo {
  padding: 0 24px 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.admin-sidebar-logo span { font-size: 0.7rem; color: var(--yellow); text-transform: uppercase; letter-spacing: 0.1em; }
.admin-nav a {
  display: block;
  padding: 10px 24px;
  color: var(--gray);
  font-size: 0.9rem;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}
.admin-nav a:hover,
.admin-nav a.active {
  color: var(--white);
  background: #1e1e1e;
  border-left-color: var(--yellow);
}
.admin-main { padding: 40px; overflow-x: auto; }
.admin-main h1 { margin-bottom: 32px; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.admin-table th {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--yellow);
  color: var(--yellow);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--white);
  vertical-align: middle;
}
.admin-table tr:hover td { background: #1a1a1a; }

.photo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.photo-item {
  position: relative;
  width: 120px;
  height: 120px;
}
.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--border);
}
.photo-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  background: #e74c3c;
  color: white;
  border: none;
  width: 24px;
  height: 24px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-yellow { background: var(--yellow); color: var(--black); }
.badge-gray   { background: #333; color: var(--gray); }
.badge-red    { background: #e74c3c; color: white; }

/* ─── Upload drop zone ─────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
  margin-top: 12px;
}
.upload-zone:hover,
.upload-zone.dragover { border-color: var(--yellow); }
.upload-zone p { color: var(--gray); font-size: 0.9rem; }
.upload-zone strong { color: var(--yellow); }

/* ─── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--gray);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--yellow); }
.breadcrumb span { color: var(--white); }
.breadcrumb-sep { opacity: 0.4; }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-gallery { position: static; }
  .contacts-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.15); padding: 12px 0; }
  .stat-item:nth-child(even) { border-bottom: none; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
}
@media (max-width: 640px) {
  .navbar-nav { display: none; }
  .navbar-toggle { display: block; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--black);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
  }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-box { padding: 24px; }
  .hero { padding: 60px 0; }
  .section { padding: 48px 0; }
}