:root {
  --bg: #071224;
  --bg-soft: #0c1b33;
  --bg-card: rgba(255,255,255,0.06);
  --bg-card-strong: rgba(255,255,255,0.09);
  --text: #f5f7fb;
  --muted: #b7c3d8;
  --line: rgba(255,255,255,0.12);
  --primary: #22a6ff;
  --primary-strong: #146dff;
  --accent: #f4b942;
  --shadow: 0 16px 45px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --radius-sm: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(34,166,255,0.18), transparent 28%),
    radial-gradient(circle at top left, rgba(244,185,66,0.08), transparent 18%),
    linear-gradient(180deg, #06101f 0%, #081427 35%, #0a1630 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(6, 16, 31, 0.76);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-symbol {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  padding: 4px;
}

.brand strong {
  display: block;
  font-size: 1rem;
}

.brand span {
  color: var(--muted);
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a,
.lang-btn {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.25s ease;
}

.site-nav a:hover,
.lang-btn:hover,
.lang-btn.active {
  color: var(--text);
  background: rgba(255,255,255,0.08);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn {
  border: 1px solid rgba(255,255,255,0.08);
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  cursor: pointer;
}

.hero {
  padding: 82px 0 52px;
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.09);
  background: rgba(255,255,255,0.04);
  color: #d6e5fa;
  font-size: 0.86rem;
  margin-bottom: 18px;
}

.hero h1,
.section-heading h1,
.section-heading h2 {
  margin: 0 0 16px;
  line-height: 1.05;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  max-width: 12ch;
}

.hero p,
.section-heading p,
.info-card p,
.product-card p,
.contact-details p,
footer p,
small {
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions,
.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: 0.25s ease;
}

.btn-primary {
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), #ffd36e);
  box-shadow: 0 12px 30px rgba(244,185,66,0.28);
}

.btn-primary:hover { transform: translateY(-2px); }

.btn-secondary {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}

.hero-highlights,
.about-grid,
.cards-grid,
.product-grid {
  display: grid;
  gap: 16px;
}

.hero-highlights {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
}

.highlight-card,
.info-card,
.glass-card,
.mini-card,
.product-card {
  border: 1px solid var(--line);
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.highlight-card,
.mini-card {
  padding: 18px;
}

.highlight-card strong,
.mini-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.hero-card,
.visual-block {
  padding: 22px;
}

.hero-card img,
.visual-block img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  margin: 0 auto;
}

.section {
  padding: 84px 0;
}

.alt-section {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.section-heading.center,
.center {
  text-align: center;
}

.section-heading.center.narrow,
.narrow {
  max-width: 760px;
  margin-inline: auto;
}

.cards-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 26px;
}

.four-up { grid-template-columns: repeat(4, 1fr); }

.info-card {
  padding: 24px;
}

.info-card .icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(34,166,255,0.18), rgba(244,185,66,0.18));
  font-size: 1.2rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 28px;
  display: grid;
  gap: 12px;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
}

.feature-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 9px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.pricing-panel {
  padding: 28px;
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.price-row:last-of-type { border-bottom: 0; }
.price-row strong { color: var(--accent); }

.reverse-mobile { direction: ltr; }

.contact-section {
  padding-bottom: 96px;
}

.contact-form {
  padding: 24px;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 16px;
  outline: none;
}

input::placeholder,
textarea::placeholder { color: #8da1bf; }
input:focus,
textarea:focus { border-color: rgba(34,166,255,0.5); }

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(4,10,20,0.75);
}

.footer-inner {
  min-height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
}

.page-main .section { padding: 64px 0; }
.page-hero { padding-top: 86px !important; }
.compact-top { padding-top: 0 !important; }
.product-section h2 { margin-bottom: 22px; }

.product-grid {
  grid-template-columns: repeat(3, 1fr);
}

.product-grid.one-column {
  grid-template-columns: 1fr;
}

.product-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  min-height: 190px;
}

.product-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.product-meta strong,
.price-tag {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--accent);
}

.price-tag small,
.product-meta span {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.desktop-only { display: flex; }

@media (max-width: 1024px) {
  .hero-grid,
  .split-grid,
  .cards-grid,
  .product-grid,
  .hero-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 { max-width: none; }
}

@media (max-width: 780px) {
  .menu-toggle { display: inline-grid; place-items: center; }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 18px;
    background: rgba(6, 16, 31, 0.96);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
    display: none;
  }

  .site-nav.open { display: flex; }
  .desktop-only { display: none; }

  .header-inner {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .lang-switch { margin-left: auto; }

  .hero-grid,
  .split-grid,
  .cards-grid,
  .product-grid,
  .hero-highlights,
  .footer-inner,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .section {
    padding: 62px 0;
  }

  .footer-inner {
    text-align: center;
  }
}

/* Products catalog page */
.products-hero {
  padding-bottom: 52px;
}

.catalog-topbar {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
}

.catalog-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.catalog-tab {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: .25s ease;
}

.catalog-tab:hover,
.catalog-tab.active {
  color: var(--text);
  border-color: rgba(34,166,255,0.28);
  background: linear-gradient(135deg, rgba(34,166,255,0.18), rgba(20,109,255,0.18));
}

.catalog-link {
  color: #dcebff;
  font-weight: 600;
}

.catalog-panel {
  display: none;
}

.catalog-panel.active {
  display: block;
}

.catalog-header {
  margin-bottom: 26px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
}

.plan-card {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.plan-card.featured {
  border-color: rgba(34,166,255,0.28);
  background:
    linear-gradient(180deg, rgba(20,109,255,0.12), rgba(255,255,255,0.05)),
    rgba(255,255,255,0.05);
}

.plan-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.plan-head h3 {
  margin-bottom: 0;
}

.plan-kicker {
  display: inline-block;
  color: var(--muted);
  font-size: .82rem;
  margin-bottom: 6px;
}

.plan-badge {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #d9e8ff;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  white-space: nowrap;
}

.plan-badge.accent {
  border-color: rgba(244,185,66,0.28);
  background: rgba(244,185,66,0.12);
  color: #ffe4a2;
}

.price-stack {
  margin-bottom: 18px;
}

.price-stack strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.price-stack strong span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
  margin-left: 4px;
}

.price-stack small {
  color: var(--muted);
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.spec-list li {
  position: relative;
  padding-left: 20px;
  color: #dce7f9;
}

.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transform: translateY(-50%);
}

.spec-note {
  margin-top: auto;
  margin-bottom: 18px;
  font-size: .9rem;
}

.plan-cta {
  width: 100%;
  margin-top: auto;
}

.addons-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
}

.addons-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.addons-table th,
.addons-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  vertical-align: top;
}

.addons-table th {
  color: #edf5ff;
  font-size: .92rem;
  background: rgba(255,255,255,0.03);
}

.addons-table td {
  color: var(--muted);
}

.order-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 34px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow);
}

@media (max-width: 1024px) {
  .plan-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .catalog-topbar,
  .order-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .catalog-tabs {
    width: 100%;
  }

  .catalog-tab {
    flex: 1 1 calc(33.333% - 10px);
    text-align: center;
  }

  .price-stack strong {
    font-size: 1.8rem;
  }

  .plan-card {
    padding: 22px 18px;
  }
}