:root {
  --shell-bg: #060d1c;
  --shell-bg-2: #0a1730;
  --shell-panel: #0f172a;
  --shell-panel-soft: #111c34;
  --shell-card: #ffffff;
  --shell-border: rgba(148, 163, 184, 0.18);
  --shell-border-strong: rgba(148, 163, 184, 0.32);
  --shell-text: #e2e8f0;
  --shell-text-strong: #f8fafc;
  --shell-text-muted: #cbd5e1;
  --shell-text-soft: #94a3b8;
  --shell-link: #38bdf8;
  --shell-link-hover: #7dd3fc;
  --shell-accent: #0ea5e9;
  --shell-accent-strong: #0284c7;
  --shell-accent-soft: rgba(14, 165, 233, 0.16);
  --shell-success: #34d399;
  --shell-success-soft: rgba(52, 211, 153, 0.12);
  --shell-warning: #fbbf24;
  --shell-warning-soft: rgba(251, 191, 36, 0.12);
  --shell-danger: #fecaca;
  --shell-danger-bg: rgba(220, 38, 38, 0.12);
  --shell-shadow: 0 24px 60px rgba(2, 8, 23, 0.32);
  --shell-shadow-lg: 0 40px 90px rgba(2, 8, 23, 0.55);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at 12% -10%, rgba(14, 165, 233, 0.22), transparent 36%),
    radial-gradient(circle at 90% 10%, rgba(99, 102, 241, 0.18), transparent 40%),
    radial-gradient(circle at 50% 110%, rgba(56, 189, 248, 0.16), transparent 40%),
    linear-gradient(180deg, var(--shell-bg) 0%, var(--shell-bg-2) 100%);
  color: var(--shell-text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--shell-link);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: var(--shell-link-hover);
}

code,
kbd {
  font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
  color: var(--shell-text-strong);
  background: rgba(148, 163, 184, 0.12);
  padding: 0.12rem 0.42rem;
  border-radius: 0.4rem;
  font-size: 0.92em;
}

img,
picture,
video,
iframe {
  max-width: 100%;
}

.shell-skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--shell-card);
  color: #0f172a;
  z-index: 1000;
}

.shell-skip-link:focus {
  top: 1rem;
}

.shell-container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.shell-site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(6, 13, 28, 0.78);
  border-bottom: 1px solid var(--shell-border);
}

.shell-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.shell-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--shell-text-strong);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.shell-brand img {
  border-radius: 0.7rem;
  box-shadow: 0 12px 28px rgba(14, 165, 233, 0.28);
}

.shell-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.shell-nav a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--shell-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.shell-nav a:hover,
.shell-nav a:focus-visible {
  background: rgba(148, 163, 184, 0.12);
  color: var(--shell-text-strong);
}

.shell-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}

.shell-header-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--shell-accent), var(--shell-accent-strong));
  color: #ffffff;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 12px 28px rgba(14, 165, 233, 0.28);
}

.shell-header-download:hover,
.shell-header-download:focus-visible {
  color: #ffffff;
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.shell-page {
  padding: 2rem 0 4rem;
}

.shell-breadcrumbs {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  color: var(--shell-text-soft);
}

.shell-breadcrumbs span[aria-current="page"] {
  color: var(--shell-text-strong);
  font-weight: 600;
}

.shell-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--shell-border-strong);
  border-radius: 1.75rem;
  background:
    radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.22), transparent 60%),
    linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(15, 23, 42, 0.96)),
    var(--shell-panel);
  box-shadow: var(--shell-shadow);
}

.shell-hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  pointer-events: none;
  border-radius: 1.75rem;
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.0), rgba(56, 189, 248, 0.18), rgba(99, 102, 241, 0.0));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  padding: 1px;
  opacity: 0.6;
}

.shell-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: center;
}

.shell-hero-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(186, 230, 253, 0.24);
  border-radius: 1.4rem;
  background:
    radial-gradient(circle at 50% 30%, rgba(56, 189, 248, 0.28), transparent 60%),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 20px 50px rgba(2, 8, 23, 0.4);
}

.shell-hero-visual img {
  width: 100%;
  height: min(380px, 50vw);
  object-fit: contain;
  padding: 1rem;
}

.shell-hero-visual figcaption {
  padding: 0 1rem 1rem;
  color: var(--shell-text-muted);
  font-size: 0.92rem;
}

.shell-hero--compact {
  padding-block: clamp(1.85rem, 4vw, 3.2rem);
}

.shell-hero--full {
  text-align: left;
  padding: clamp(2.4rem, 6vw, 4.8rem) clamp(1.5rem, 5vw, 4rem);
}

.shell-hero--full h1 {
  max-width: 22ch;
}

.shell-hero--full .shell-lead {
  max-width: 70ch;
}

.shell-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  background: var(--shell-accent-soft);
  color: #bae6fd;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.74rem;
  border: 1px solid rgba(56, 189, 248, 0.34);
}

.shell-hero h1,
.shell-section h2,
.shell-card h2,
.shell-card h3,
.shell-download-card h2,
.shell-download-card h3,
.shell-alert h2,
.shell-site-footer h2,
.shell-model-card h3,
.shell-callout h2,
.shell-feature h3 {
  margin: 0;
  color: var(--shell-text-strong);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.shell-hero h1 {
  max-width: 18ch;
  font-size: clamp(2.2rem, 5.5vw, 4.4rem);
  line-height: 1.05;
}

.shell-lead {
  max-width: 70ch;
  margin: 1.25rem 0 0;
  color: var(--shell-text-muted);
  font-size: clamp(1.05rem, 2.1vw, 1.25rem);
  line-height: 1.7;
}

.shell-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.shell-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  transition: filter 0.18s ease, transform 0.18s ease;
}

.shell-button--primary {
  background: linear-gradient(135deg, var(--shell-accent), var(--shell-accent-strong));
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.28);
}

.shell-button--primary:hover,
.shell-button--primary:focus-visible {
  color: #ffffff;
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.shell-button--secondary {
  border: 1px solid rgba(186, 230, 253, 0.32);
  background: rgba(255, 255, 255, 0.04);
  color: var(--shell-text-strong);
}

.shell-button--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.shell-button--sm {
  min-height: 2.3rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.88rem;
  border-radius: 999px;
}

.shell-section,
.shell-alert,
.shell-callout,
.shell-site-footer {
  margin-top: 1.5rem;
}

.shell-section,
.shell-alert,
.shell-callout {
  padding: 1.6rem;
  border: 1px solid var(--shell-border);
  border-radius: 1.5rem;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.shell-alert {
  background: linear-gradient(135deg, var(--shell-danger-bg), rgba(15, 23, 42, 0.94));
  border-color: rgba(248, 113, 113, 0.36);
}

.shell-callout {
  background: linear-gradient(135deg, var(--shell-success-soft), rgba(15, 23, 42, 0.94));
  border-color: rgba(52, 211, 153, 0.34);
}

.shell-callout--warn {
  background: linear-gradient(135deg, var(--shell-warning-soft), rgba(15, 23, 42, 0.94));
  border-color: rgba(251, 191, 36, 0.36);
}

.shell-callout--info {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.16), rgba(15, 23, 42, 0.94));
  border-color: rgba(56, 189, 248, 0.4);
}

.shell-section-header {
  display: grid;
  gap: 0.55rem;
  max-width: 800px;
  margin-bottom: 1.2rem;
}

.shell-section-header h2 {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.shell-section-header p {
  margin: 0;
}

.shell-section-kicker {
  color: var(--shell-link-hover);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shell-alert p,
.shell-callout p,
.shell-section p,
.shell-site-footer p,
.shell-card p,
.shell-download-card p,
.shell-faq-item p,
.shell-feature p,
.shell-model-card p {
  color: var(--shell-text-muted);
  line-height: 1.75;
}

.shell-card-grid,
.shell-download-grid,
.shell-feature-grid,
.shell-model-grid,
.shell-footer-grid {
  display: grid;
  gap: 1rem;
}

.shell-card-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.shell-download-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.shell-download-grid--dense {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.shell-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 1.5rem;
}

.shell-model-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 1rem;
}

.shell-card,
.shell-download-card,
.shell-feature,
.shell-model-card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--shell-border);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.035);
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.shell-card:hover,
.shell-download-card:hover,
.shell-feature:hover,
.shell-model-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.06);
  transform: translateY(-2px);
}

.shell-card a,
.shell-download-card a {
  font-weight: 700;
}

.shell-download-card--compact {
  padding: 1.1rem 1.15rem;
  border-radius: 1rem;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.shell-download-card--compact header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.shell-download-card--compact header h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.shell-download-card--compact p {
  margin: 0;
  color: var(--shell-text-soft);
  font-size: 0.88rem;
}

.shell-download-card--compact .shell-button {
  margin-top: 0.25rem;
  width: 100%;
}

.shell-feature__icon,
.shell-model-card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.85rem;
  border-radius: 0.85rem;
  background: var(--shell-accent-soft);
  color: #7dd3fc;
  font-weight: 800;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.shell-model-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.65rem 0 0.85rem;
}

.shell-model-card__meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  color: var(--shell-text-strong);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--shell-border);
}

.shell-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.shell-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid var(--shell-border);
  color: var(--shell-text-strong);
  font-weight: 600;
}

.shell-pill--ghost {
  min-height: 1.6rem;
  padding: 0.18rem 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.32);
  color: #7dd3fc;
}

.shell-step-list,
.shell-check-list,
.shell-link-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--shell-text-muted);
  line-height: 1.75;
}

.shell-step-list li,
.shell-check-list li,
.shell-link-list li {
  margin-bottom: 0.65rem;
}

.shell-step-list {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.shell-step-list li {
  position: relative;
  padding: 0.85rem 1rem 0.85rem 3.4rem;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.55);
  margin-bottom: 0.7rem;
}

.shell-step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0.95rem;
  top: 0.85rem;
  display: inline-grid;
  place-items: center;
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--shell-accent), var(--shell-accent-strong));
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 8px 18px rgba(14, 165, 233, 0.34);
}

.shell-section-note {
  margin-top: 1rem;
  color: var(--shell-text-soft);
  font-size: 0.95rem;
}

.shell-table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.6);
}

.shell-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.shell-table th,
.shell-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--shell-border);
  color: var(--shell-text);
}

.shell-table th {
  background: rgba(56, 189, 248, 0.08);
  color: var(--shell-text-strong);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.shell-table tr:last-child td {
  border-bottom: 0;
}

.shell-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

.shell-product-gallery {
  overflow: hidden;
}

.shell-product-gallery--runtime {
  width: min(1180px, calc(100% - 2rem));
  margin: 1.5rem auto;
  background: rgba(15, 23, 42, 0.94);
}

.shell-product-gallery__text {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.shell-product-gallery__text h2 {
  margin: 0;
  color: var(--shell-text-strong);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
}

.shell-product-gallery__text p {
  margin: 0;
  max-width: 70ch;
}

.shell-product-gallery__grid {
  display: grid;
  grid-template-columns: minmax(190px, 0.75fr) minmax(240px, 1fr) minmax(240px, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.shell-product-gallery figure {
  display: grid;
  align-content: space-between;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--shell-border);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.shell-product-gallery figure:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-2px);
}

.shell-product-gallery img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 0.85rem;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.18), transparent 65%);
}

.shell-product-gallery figcaption {
  padding: 0.75rem 0.9rem 0.95rem;
  color: var(--shell-text-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.shell-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.shell-video {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.78);
  aspect-ratio: 16 / 9;
}

.shell-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.shell-video-caption {
  margin-top: 0.55rem;
  color: var(--shell-text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.shell-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.shell-stat {
  padding: 1rem 1.2rem;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.7);
}

.shell-stat strong {
  display: block;
  color: var(--shell-text-strong);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.shell-stat span {
  display: block;
  margin-top: 0.2rem;
  color: var(--shell-text-soft);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.shell-faq-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.shell-faq-item {
  padding: 1rem 1.2rem;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.78);
  transition: border-color 0.18s ease;
}

.shell-faq-item:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

.shell-faq-item summary {
  cursor: pointer;
  color: var(--shell-text-strong);
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.shell-faq-item summary::-webkit-details-marker {
  display: none;
}

.shell-faq-item summary::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--shell-accent-soft);
  color: var(--shell-link-hover);
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.shell-faq-item[open] summary::after {
  content: "-";
}

.shell-faq-item p {
  margin: 0.85rem 0 0;
}

.shell-site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--shell-border);
}

.shell-footer-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.shell-site-footer__note {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  color: var(--shell-text-soft);
}

.shell-language-switcher {
  position: relative;
  z-index: 90;
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.shell-language-switcher--floating {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
}

.shell-language-switcher__button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.65rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(186, 230, 253, 0.36);
  border-radius: 999px;
  background: rgba(8, 17, 33, 0.94);
  color: var(--shell-text-strong);
  box-shadow: 0 16px 40px rgba(2, 8, 23, 0.34);
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.shell-language-switcher__button::-webkit-details-marker {
  display: none;
}

.shell-language-switcher__icon {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  background: var(--shell-accent);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
}

.shell-language-switcher__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.55rem);
  min-width: 12.5rem;
  max-height: 60vh;
  overflow-y: auto;
  padding: 0.4rem;
  border: 1px solid var(--shell-border);
  border-radius: 0.95rem;
  background: rgba(8, 17, 33, 0.98);
  box-shadow: 0 24px 60px rgba(2, 8, 23, 0.5);
}

.shell-language-switcher--floating .shell-language-switcher__menu {
  top: auto;
  bottom: calc(100% + 0.55rem);
}

.shell-language-switcher__menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 2.35rem;
  padding: 0.5rem 0.7rem;
  border-radius: 0.6rem;
  color: var(--shell-text-muted);
  font-weight: 600;
}

.shell-language-switcher__menu a:hover,
.shell-language-switcher__menu a:focus-visible,
.shell-language-switcher__menu a[aria-current="page"],
.shell-language-switcher__menu a[aria-current="true"] {
  background: rgba(14, 165, 233, 0.18);
  color: var(--shell-text-strong);
}

.shell-language-switcher__chev {
  display: inline-grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
  margin-left: 0.15rem;
  color: var(--shell-text-soft);
  font-size: 0.7rem;
  font-weight: 700;
  transition: transform 0.18s ease;
  text-transform: uppercase;
}

.shell-language-switcher[open] .shell-language-switcher__chev {
  transform: rotate(180deg);
  color: var(--shell-text-strong);
}

.shell-language-switcher__menu a span:last-child {
  color: var(--shell-text-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.shell-toc {
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--shell-border);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.6);
}

.shell-toc strong {
  display: block;
  color: var(--shell-text-strong);
  font-weight: 800;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}

.shell-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--shell-text-muted);
  display: grid;
  gap: 0.3rem;
}

@media (max-width: 720px) {
  .shell-site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 0;
  }

  .shell-nav {
    gap: 0.4rem;
  }

  .shell-header-actions {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .shell-header-download {
    flex: 1 1 auto;
  }

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

  .shell-hero-layout {
    grid-template-columns: 1fr;
  }

  .shell-hero-visual img {
    height: 240px;
  }

  .shell-product-gallery__grid {
    grid-template-columns: 1fr;
  }

  .shell-product-gallery img {
    height: 190px;
  }

  .shell-language-switcher {
    align-self: flex-end;
  }

  .shell-language-switcher--floating {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

@media (max-width: 540px) {
  .shell-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .shell-nav::-webkit-scrollbar {
    display: none;
  }

  .shell-nav a {
    flex: 0 0 auto;
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
    white-space: nowrap;
  }

  .shell-stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .shell-hero-visual img {
    height: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  body {
    background: #ffffff;
    color: #0f172a;
  }

  .shell-site-header,
  .shell-site-footer,
  .shell-language-switcher,
  .shell-skip-link,
  .shell-video,
  .shell-hero-visual,
  .shell-actions,
  .shell-header-actions {
    display: none !important;
  }

  .shell-page,
  .shell-section,
  .shell-callout,
  .shell-alert,
  .shell-card,
  .shell-feature,
  .shell-hero {
    background: #ffffff !important;
    color: #0f172a !important;
    border-color: #cbd5e1 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
    color: #475569;
  }

  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }
}

.shell-dl-grid {
  display: grid;
  gap: 1rem 2rem;
  margin: 1rem 0;
}

.shell-dl-grid > div {
  display: grid;
  gap: 0.2rem;
}

.shell-dl-grid dt {
  font-weight: 600;
  color: var(--shell-text-soft);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.shell-dl-grid dd {
  margin: 0;
  color: var(--shell-text-strong);
}