/* ============================================================
   LineMaster 2.4GHz — Global Styles
   Site-specific components. Requires variables.css loaded first.
   ============================================================ */

/* ── Reset & base ─────────────────────────────────── */
body {
  margin: 0;
  font-family: var(--lm-font-body);
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Navigation ──────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--lm-black);
  border-bottom: 1px solid var(--lm-steel);
}

.nav {
  max-width: var(--lm-max-width);
  margin: 0 auto;
  padding: 0 var(--lm-gutter);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 24px;
  width: auto;
}

.logo-mark { display: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lm-platinum);
}

.nav-links > a,
.nav-links > .nav-dropdown > a {
  padding: 6px 12px;
  border-radius: var(--lm-radius-1);
  transition: color var(--lm-dur-fast);
  display: inline-block;
}

.nav-links > a:hover,
.nav-links > .nav-dropdown > a:hover {
  color: var(--lm-paper);
}

.nav-links > a.active,
.nav-links > .nav-dropdown > a.active {
  color: var(--lm-red);
}

/* Dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  border-radius: var(--lm-radius-2);
  padding: 8px 0 4px;
  z-index: 60;
  box-shadow: var(--lm-shadow-md);
}

.nav-dropdown:hover .nav-dropdown-menu { display: block; }

.nav-dropdown-menu a {
  display: block;
  padding: 9px 16px;
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lm-silver);
  transition: color var(--lm-dur-fast), background var(--lm-dur-fast);
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  color: var(--lm-paper);
  background: rgba(255,255,255,0.04);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--lm-steel);
  border-radius: var(--lm-radius-1);
  color: var(--lm-platinum);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 10px;
  line-height: 1;
}

/* ── Main wrapper ─────────────────────────────────── */
main {
  max-width: var(--lm-max-width);
  margin: 0 auto;
  padding: 48px var(--lm-gutter) 64px;
}

/* ── Ticker strip ────────────────────────────────── */
.ticker {
  border-top: 1px solid var(--lm-steel);
  border-bottom: 1px solid var(--lm-steel);
  padding: 18px var(--lm-gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 0 40px;
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lm-platinum);
  background: var(--lm-black);
}

.ticker span {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.ticker span::after { content: "/"; color: var(--lm-red); }
.ticker span:last-child::after { display: none; }

/* ── Section primitives ──────────────────────────── */
.site-section {
  padding: var(--lm-space-9) 0;
  border-top: 1px solid var(--lm-steel);
}

.site-section:first-child { border-top: 0; }

.section-label {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lm-red);
  margin-bottom: var(--lm-space-4);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--lm-red);
  flex-shrink: 0;
}

.section-title {
  font-family: var(--lm-font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0 0 var(--lm-space-5);
}

.section-subtitle {
  font-family: var(--lm-font-body);
  font-size: var(--lm-text-md);
  color: var(--lm-platinum);
  margin-bottom: var(--lm-space-7);
  max-width: 60ch;
  line-height: 1.55;
}

/* ── Product cards (home grid) ───────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 8px;
}

.pcard {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--lm-dur-base);
}

.pcard:hover { background: #232330; }

.pcard__media {
  background: var(--lm-black);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--lm-dur-slow) var(--lm-ease-out);
}

.pcard:hover .pcard__media img { transform: scale(1.03); }

.pcard__body {
  padding: var(--lm-space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--lm-space-3);
}

.pcard__sku {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lm-red);
}

.pcard__name {
  font-family: var(--lm-font-display);
  font-weight: 800;
  font-size: clamp(28px, 3vw, 40px);
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0;
  color: var(--lm-paper);
}

.pcard__sub {
  font-family: var(--lm-font-body);
  font-size: var(--lm-text-sm);
  color: var(--lm-platinum);
  flex: 1;
  line-height: 1.5;
}

.pcard__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--lm-space-4) var(--lm-space-5);
  border-top: 1px solid var(--lm-steel);
}

/* ── Spec rows (product pages) ───────────────────── */
.spec-block {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  margin-bottom: var(--lm-space-6);
}

.spec-block__title {
  font-family: var(--lm-font-display);
  font-weight: 700;
  font-size: var(--lm-text-xl);
  text-transform: uppercase;
  padding: var(--lm-space-5);
  border-bottom: 1px solid var(--lm-steel);
  margin: 0;
}

.spec-rows {
  display: grid;
  grid-template-columns: 1fr auto;
}

.spec-rows > * {
  padding: 11px var(--lm-space-5);
  border-bottom: 1px solid var(--lm-steel);
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.04em;
}

.spec-rows > :nth-child(odd)  { color: var(--lm-silver); }
.spec-rows > :nth-child(even) { color: var(--lm-paper); text-align: right; font-weight: 500; }
.spec-rows > :nth-last-child(-n+2) { border-bottom: 0; }

/* Legacy specs-table for older pages */
.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: 11px var(--lm-space-5);
  border-bottom: 1px solid var(--lm-steel);
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.04em;
  text-align: left;
}

.specs-table th {
  color: var(--lm-silver);
  font-weight: 500;
  width: 40%;
}

.specs-table td { color: var(--lm-paper); font-weight: 500; }
.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: 0; }

/* ── Feature cards (product pages) ──────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: var(--lm-space-6);
}

.feature-card {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  padding: var(--lm-space-5);
}

.feature-card strong {
  display: block;
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-2);
  line-height: 1;
}

.feature-card p {
  margin: 0;
  font-size: var(--lm-text-sm);
  color: var(--lm-platinum);
  line-height: 1.55;
}

/* ── Configurable params grid ────────────────────── */
.config-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: var(--lm-space-6);
}

.config-item {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  padding: var(--lm-space-5);
  text-align: center;
}

.config-item strong {
  display: block;
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-2);
  line-height: 1;
}

.config-item span {
  font-size: var(--lm-text-sm);
  color: var(--lm-platinum);
}

/* ── Firmware banner ─────────────────────────────── */
.fw-banner {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  border-left: 3px solid var(--lm-red);
  padding: var(--lm-space-5);
  margin-bottom: var(--lm-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--lm-space-4);
}

.fw-banner-text strong {
  display: block;
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-1);
}

.fw-banner-text span {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.08em;
  color: var(--lm-silver);
  text-transform: uppercase;
}

/* ── Try / launch banner ─────────────────────────── */
.try-banner {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  padding: var(--lm-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--lm-space-4);
  margin-bottom: var(--lm-space-6);
}

.try-banner strong {
  display: block;
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-2xl);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-1);
  line-height: 0.95;
}

.try-banner span {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

/* ── Resources links ─────────────────────────────── */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-bottom: var(--lm-space-7);
}

.link-card {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  padding: var(--lm-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--lm-space-3);
}

.link-card h3 {
  margin: 0;
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  line-height: 1;
}

.link-card p {
  margin: 0;
  font-size: var(--lm-text-sm);
  color: var(--lm-platinum);
  flex: 1;
  line-height: 1.55;
}

/* ── Info card (project pages) ───────────────────── */
.info-card {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  padding: var(--lm-space-6);
  margin-bottom: var(--lm-space-5);
  font-size: var(--lm-text-md);
  color: var(--lm-platinum);
  line-height: 1.6;
}

.info-card p { margin: 0 0 var(--lm-space-4); }
.info-card p:last-child { margin-bottom: 0; }

/* ── Product section wrapper ─────────────────────── */
.product-section {
  max-width: var(--lm-max-width);
  margin: 0 auto;
  padding: var(--lm-space-7) var(--lm-gutter);
  border-top: 1px solid var(--lm-steel);
}

.product-section:first-of-type { border-top: 0; }

.product-section h2 {
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-2xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0 0 var(--lm-space-5);
  color: var(--lm-paper);
}

/* ── Product gallery carousel ────────────────────── */
.gallery {
  position: relative;
  overflow: hidden;
  background: var(--lm-black);
  border: 1px solid var(--lm-steel);
  margin-bottom: var(--lm-space-6);
}

.gallery[data-empty] { display: none; }

.gallery-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

@supports not (aspect-ratio: 1) {
  .gallery-viewport { height: 0; padding-bottom: 62.5%; }
  .gallery-track { position: absolute; top: 0; left: 0; width: 100%; }
}

.gallery-track {
  display: flex;
  flex-wrap: nowrap;
  height: 100%;
  transition: transform 380ms var(--lm-ease-snap);
  will-change: transform;
}

.gallery-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--lm-radius-1);
  border: 1px solid var(--lm-steel);
  background: rgba(20,20,26,0.82);
  color: var(--lm-platinum);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: background var(--lm-dur-fast), color var(--lm-dur-fast);
  backdrop-filter: blur(4px);
}

.gallery-btn:hover {
  background: var(--lm-graphite);
  color: var(--lm-paper);
}

.gallery-btn.prev { left: 10px; }
.gallery-btn.next { right: 10px; }

.gallery-counter {
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.12em;
  color: var(--lm-silver);
  background: rgba(10,10,11,0.72);
  padding: 4px 10px;
  z-index: 3;
  backdrop-filter: blur(4px);
}

.gallery-thumbs {
  display: flex;
  gap: 1px;
  overflow-x: auto;
  background: var(--lm-black);
  border-top: 1px solid var(--lm-steel);
  scrollbar-width: thin;
  scrollbar-color: var(--lm-steel) transparent;
}

.gallery-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 48px;
  padding: 0;
  background: none;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.45;
  transition: opacity var(--lm-dur-fast), border-color var(--lm-dur-fast);
}

.gallery-thumb.active {
  border-color: var(--lm-red);
  opacity: 1;
}

.gallery-thumb:hover { opacity: 0.8; }

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── About section ───────────────────────────────── */
.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--lm-space-9);
  padding: var(--lm-space-7) 0;
  font-size: var(--lm-text-md);
  color: var(--lm-platinum);
  line-height: 1.6;
}

.about-section h2 { margin-top: 0; }

.about-block-title {
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-2);
}

.about-highlights {
  padding-left: 0;
  list-style: none;
}

.about-highlights li {
  margin-bottom: var(--lm-space-2);
  padding-left: var(--lm-space-4);
  position: relative;
}

.about-highlights li::before {
  content: "/";
  position: absolute;
  left: 0;
  color: var(--lm-red);
  font-family: var(--lm-font-mono);
}

/* ── Testimonials ────────────────────────────────── */
.testimonials-section {
  padding: var(--lm-space-7) 0;
  border-top: 1px solid var(--lm-steel);
}

.testimonials-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--lm-space-4);
  margin-bottom: var(--lm-space-6);
}

.carousel {
  position: relative;
  overflow: hidden;
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
}

.carousel-track {
  display: flex;
  width: 100%;
  transition: transform var(--lm-dur-slow) var(--lm-ease-snap);
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  padding: var(--lm-space-9) var(--lm-space-10);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.testimonial { max-width: 720px; margin: 0 auto; }

.testimonial-text {
  font-family: var(--lm-font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--lm-paper);
  margin: 0 0 var(--lm-space-5);
  letter-spacing: -0.01em;
}

.testimonial-stars {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.18em;
  color: var(--lm-red);
  margin-bottom: var(--lm-space-4);
  text-transform: uppercase;
}

.testimonial-name {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--lm-radius-1);
  border: 1px solid var(--lm-steel);
  background: rgba(20,20,26,.82);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  font-size: 1.4rem;
  color: var(--lm-platinum);
  transition: background var(--lm-dur-fast), color var(--lm-dur-fast);
  backdrop-filter: blur(4px);
}

.carousel-btn:hover {
  background: var(--lm-graphite);
  color: var(--lm-paper);
}

.carousel-btn.prev { left: 0; }
.carousel-btn.next { right: 0; }

.carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--lm-space-2);
  padding: var(--lm-space-4) 0 0;
}

.carousel-dot {
  width: 4px;
  height: 14px;
  border-radius: 0;
  background: var(--lm-steel);
  cursor: pointer;
  border: none;
  transition: background var(--lm-dur-fast);
}

.carousel-dot.is-active { background: var(--lm-red); }

/* ── Team ────────────────────────────────────────── */
.team-section {
  padding: var(--lm-space-7) 0;
  border-top: 1px solid var(--lm-steel);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  border: 1px solid var(--lm-steel);
  margin-top: var(--lm-space-6);
}

.team-card {
  background: var(--lm-graphite);
  padding: var(--lm-space-5);
  text-align: center;
}

.team-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: top;
  margin-bottom: var(--lm-space-4);
}

.team-name {
  font-family: var(--lm-font-display);
  font-size: var(--lm-text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lm-paper);
  margin-bottom: var(--lm-space-1);
}

.team-card > div:last-child {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

/* ── Store banner ────────────────────────────────── */
.store-section {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
  border-left: 3px solid var(--lm-red);
  padding: var(--lm-space-7) var(--lm-space-7);
  margin-top: var(--lm-space-7);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--lm-space-7);
  align-items: center;
}

.store-title {
  font-family: var(--lm-font-display);
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.95;
  color: var(--lm-paper);
  margin: 0 0 var(--lm-space-4);
}

.store-subtitle {
  font-size: var(--lm-text-md);
  color: var(--lm-platinum);
  line-height: 1.55;
  margin: 0 0 var(--lm-space-3);
}

.store-meta {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

.store-cta {
  display: flex;
  flex-direction: column;
  gap: var(--lm-space-4);
  align-items: flex-start;
}

.store-note {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

/* ── Contact ─────────────────────────────────────── */
.contact-section {
  padding: var(--lm-space-7) 0;
  border-top: 1px solid var(--lm-steel);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--lm-space-9);
}

.contact-title {
  font-family: var(--lm-font-display);
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.95;
  color: var(--lm-paper);
  margin: 0 0 var(--lm-space-4);
}

.contact-subtitle {
  font-size: var(--lm-text-md);
  color: var(--lm-platinum);
  max-width: 420px;
  line-height: 1.55;
  margin: 0 0 var(--lm-space-5);
}

.social-title {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lm-red);
  margin: 0 0 var(--lm-space-3);
}

.social-list { margin-top: var(--lm-space-5); }

.social-item {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-silver);
  margin-bottom: var(--lm-space-2);
}

.social-item a { color: var(--lm-cyan); }
.social-item a:hover { color: var(--lm-paper); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--lm-space-4);
}

.contact-form label {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lm-silver);
  display: block;
  margin-bottom: var(--lm-space-2);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: var(--lm-radius-1);
  border: 1px solid var(--lm-steel);
  padding: 12px 14px;
  font-size: var(--lm-text-md);
  font-family: var(--lm-font-body);
  background: transparent;
  color: var(--lm-paper);
  transition: border-color var(--lm-dur-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--lm-red);
}

.contact-form textarea { min-height: 120px; resize: vertical; }

#contact-status {
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-jade);
}

/* ── Footer ──────────────────────────────────────── */
footer {
  border-top: 1px solid var(--lm-steel);
  background: var(--lm-black);
  padding: var(--lm-space-6) var(--lm-gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--lm-space-4);
  font-family: var(--lm-font-mono);
  font-size: var(--lm-text-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lm-silver);
}

footer .links { display: flex; gap: var(--lm-space-5); flex-wrap: wrap; }
footer a { color: inherit; transition: color var(--lm-dur-fast); }
footer a:hover { color: var(--lm-paper); }

/* ── Back to top ─────────────────────────────────── */
.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-radius: var(--lm-radius-1);
  border: 1px solid var(--lm-steel);
  background: var(--lm-graphite);
  color: var(--lm-platinum);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--lm-dur-base), transform var(--lm-dur-base),
              background var(--lm-dur-fast), color var(--lm-dur-fast);
  font-size: 1.1rem;
}

.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--lm-steel); color: var(--lm-paper); }

/* ── Compat: .card for spec tables inside product pages ── */
.card {
  background: var(--lm-graphite);
  border: 1px solid var(--lm-steel);
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
  .about-section,
  .store-section,
  .contact-section { grid-template-columns: 1fr; gap: var(--lm-space-7); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--lm-black);
    flex-direction: column;
    padding: var(--lm-space-4) var(--lm-gutter) var(--lm-space-5);
    border-top: 1px solid var(--lm-steel);
    gap: 0;
  }

  .nav-links.open { display: flex; }

  .nav-links > a,
  .nav-links > .nav-dropdown > a { width: 100%; padding: 10px 0; }

  .nav-dropdown-menu {
    position: static;
    border: none;
    box-shadow: none;
    padding-left: var(--lm-space-4);
    background: transparent;
    display: none;
  }

  .nav-dropdown.open .nav-dropdown-menu { display: block; }

  .nav-toggle { display: block; }

  .carousel-slide { padding: var(--lm-space-7) var(--lm-space-6); }
  .carousel-btn.prev { left: 0; }
  .carousel-btn.next { right: 0; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .config-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { gap: 0; }
}

@media (max-width: 640px) {
  main { padding: var(--lm-space-7) var(--lm-gutter) var(--lm-space-8); }
  .ticker { gap: 24px; }
}