/* Valkyrie (valkyrieusallc.com) — Authentic valkyrie.ar & valkyrieglobal.hk Brand Identity */
:root {
  --vku-bg-deep: #060e0d;
  --vku-bg-header: #050b0a;
  --vku-bg-surface: #0a1715;
  --vku-bg-card: #0d1f1c;
  --vku-bg-card-alt: #102623;
  --vku-teal-deep: #004b49;
  --vku-teal-mid: #006663;
  --vku-accent: #2ee59d;
  --vku-accent-hover: #52f0b1;
  --vku-accent-soft: rgba(46, 229, 157, 0.14);
  --vku-accent-border: rgba(46, 229, 157, 0.42);
  --vku-ink: #041310;
  --vku-text-main: #f4f7f6;
  --vku-text-secondary: #c4d4d0;
  --vku-text-muted: #8ca39e;
  --vku-border: rgba(140, 163, 158, 0.2);
  --vku-border-strong: rgba(46, 229, 157, 0.38);
  --vku-radius-sm: 8px;
  --vku-radius-md: 14px;
  --vku-radius-lg: 20px;
  --vku-shadow: 0 22px 54px rgba(0, 0, 0, 0.6);
  --vku-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vku-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  color-scheme: dark;
}

body.vku-body {
  margin: 0;
  padding: 0;
  font-family: var(--vku-font);
  background-color: var(--vku-bg-deep);
  background-image:
    radial-gradient(circle at 78% 12%, rgba(46, 229, 157, 0.14) 0%, transparent 40%),
    radial-gradient(circle at 18% 22%, rgba(0, 75, 73, 0.36) 0%, transparent 48%),
    radial-gradient(circle at 50% 88%, rgba(0, 75, 73, 0.24) 0%, transparent 50%);
  color: var(--vku-text-main);
  line-height: 1.62;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.vku-container {
  width: min(1320px, 100% - 2.5rem);
  margin-inline: auto;
}

/* Top Commercial Strip (valkyrie.ar mint bar style) */
.vku-top-bar {
  background: linear-gradient(90deg, #003b39 0%, #004b49 50%, #062927 100%);
  border-bottom: 1px solid var(--vku-accent-border);
  font-size: 0.81rem;
  padding: 0.45rem 0;
}

.vku-top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.vku-top-bar__left,
.vku-top-bar__right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.vku-top-bar__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.65rem;
  border-radius: 4px;
  background: var(--vku-accent);
  color: var(--vku-ink);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.vku-top-bar__text {
  color: var(--vku-text-secondary);
  font-weight: 500;
}

.vku-top-bar__link {
  color: var(--vku-text-main);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.16s ease;
}

.vku-top-bar__link:hover {
  color: var(--vku-accent);
}

/* Sticky Header (authentic valkyrie.ar & valkyrieglobal.hk lockup) */
.vku-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 11, 10, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--vku-border);
}

.vku-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  min-height: 72px;
  padding: 0.5rem 0;
  flex-wrap: nowrap;
}

.vku-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--vku-text-main);
  flex-shrink: 0;
}

.vku-brand__emblem {
  width: 40px;
  height: 24px;
  display: block;
}

.vku-brand__emblem .vg-logo-path {
  fill: var(--vku-accent);
}

.vku-brand__wordmark {
  width: 122px;
  height: 36px;
  display: block;
}

.vku-brand__wordmark .vg-logo-path {
  fill: var(--vku-text-main);
}

.vku-brand__divider {
  width: 1px;
  height: 26px;
  background: var(--vku-border);
}

.vku-brand__sub {
  font-family: var(--vku-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vku-accent);
  line-height: 1.25;
}

.vku-nav {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex-wrap: nowrap;
}

.vku-nav__link {
  color: var(--vku-text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.5rem;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.vku-nav__link:hover,
.vku-nav__link[aria-current="page"] {
  color: var(--vku-text-main);
  border-bottom-color: var(--vku-accent);
}

.vku-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.vku-lang-switch {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  background: var(--vku-bg-surface);
  border: 1px solid var(--vku-border);
  padding: 0.16rem;
}

.vku-lang-switch__item {
  color: var(--vku-text-muted);
  text-decoration: none;
  font-family: var(--vku-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.26rem 0.65rem;
  border-radius: 4px;
}

.vku-lang-switch__item--active {
  background: var(--vku-accent);
  color: var(--vku-ink);
}

/* Signature valkyrie.ar Buttons & Skewed Parallelogram Accents */
.vku-slash {
  display: inline-block;
  width: 20px;
  height: 10px;
  background: var(--vku-accent);
  transform: skewX(-24deg);
  margin-right: 0.55rem;
  flex-shrink: 0;
}

.vku-eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--vku-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--vku-accent);
  margin: 0 0 0.75rem;
}

.vku-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.76rem 1.4rem;
  border-radius: var(--vku-radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.vku-btn:hover {
  transform: translateY(-1px);
}

.vku-btn--primary {
  background: var(--vku-accent);
  color: var(--vku-ink);
  border-color: var(--vku-accent);
}

.vku-btn--primary:hover {
  background: var(--vku-accent-hover);
  border-color: var(--vku-accent-hover);
}

.vku-btn--teal {
  background: var(--vku-teal-deep);
  color: var(--vku-text-main);
  border-color: var(--vku-accent-border);
}

.vku-btn--teal:hover {
  background: var(--vku-teal-mid);
}

.vku-btn--outline {
  background: rgba(10, 23, 21, 0.75);
  color: var(--vku-text-main);
  border-color: var(--vku-accent-border);
}

.vku-btn--outline:hover {
  background: var(--vku-accent-soft);
  border-color: var(--vku-accent);
}

.vku-btn--sm {
  padding: 0.46rem 0.95rem;
  font-size: 0.82rem;
}

.vku-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 6px;
  font-family: var(--vku-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(0, 75, 73, 0.55);
  color: var(--vku-text-main);
  border: 1px solid var(--vku-accent-border);
}

.vku-pill--mint {
  background: var(--vku-accent);
  color: var(--vku-ink);
  border-color: var(--vku-accent);
}

/* Hero Section (valkyrie.ar dark laser emerald aesthetic) */
.vku-hero {
  padding: 3.25rem 0 2.75rem;
  border-bottom: 1px solid var(--vku-border);
}

.vku-hero__grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 2.5rem;
  align-items: center;
}

.vku-hero__title {
  font-size: clamp(2.35rem, 4.4vw, 3.85rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 1.15rem;
  color: var(--vku-text-main);
}

.vku-hero__title-accent {
  color: var(--vku-accent);
}

.vku-hero__lead {
  font-size: 1.08rem;
  color: var(--vku-text-secondary);
  margin: 0 0 1.65rem;
  max-width: 60ch;
}

.vku-hero__cta-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.85rem;
}

/* Stat Strip (valkyrieglobal.hk & valkyrie.ar technical strip) */
.vku-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.vku-metric-card {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-left: 3px solid var(--vku-accent);
  border-radius: var(--vku-radius-sm);
  padding: 0.85rem 1rem;
}

.vku-metric-card__val {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--vku-text-main);
  letter-spacing: -0.02em;
}

.vku-metric-card__lbl {
  font-family: var(--vku-mono);
  font-size: 0.72rem;
  color: var(--vku-text-muted);
}

/* Hero Visual Stage */
.vku-hero__stage {
  background: #040908;
  border: 1px solid var(--vku-border-strong);
  border-radius: var(--vku-radius-md);
  padding: 1rem;
  box-shadow: var(--vku-shadow);
}

.vku-hero__stage-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.vku-hero__media {
  width: 100%;
  border-radius: var(--vku-radius-sm);
  overflow: hidden;
  background: #020505;
  border: 1px solid var(--vku-border);
}

.vku-hero__video {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.vku-hero__stage-foot {
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--vku-text-secondary);
}

/* Section Layout */
.vku-section {
  padding: 3.75rem 0;
  border-bottom: 1px solid var(--vku-border);
}

.vku-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.vku-section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.025em;
}

.vku-section__sub {
  color: var(--vku-text-secondary);
  max-width: 68ch;
  margin: 0.45rem 0 0;
}

/* Technical Product Cards & Datasheets */
.vku-products-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}

.vku-product-card {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--vku-shadow);
  transition: border-color 0.2s ease;
}

.vku-product-card:hover {
  border-color: var(--vku-accent);
}

.vku-product-card__media {
  position: relative;
  background: #f5f7f6;
  border-bottom: 1px solid var(--vku-border);
  padding-top: 2.2rem;
}

.vku-product-card__img {
  width: 100%;
  height: 270px;
  object-fit: contain;
  padding: 0.5rem 1.25rem 1rem;
  display: block;
}

.vku-product-card__img--contain {
  background: #ffffff;
  object-fit: contain;
  padding: 0.75rem;
}

.vku-product-card__badges {
  position: absolute;
  top: 0.75rem;
  left: 0.85rem;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  z-index: 2;
}

.vku-compare-mini__img {
  width: 140px;
  height: 96px;
  object-fit: contain;
  background: #f5f7f6;
  padding: 0.35rem;
  border-radius: var(--vku-radius-sm);
  border: 1px solid var(--vku-border);
  flex-shrink: 0;
}

.vku-product-card__body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  flex: 1;
}

.vku-product-card__title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.vku-product-card__model {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
}

.vku-product-card__ean {
  font-family: var(--vku-mono);
  font-size: 0.76rem;
  color: var(--vku-accent);
  background: var(--vku-accent-soft);
  padding: 0.22rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--vku-accent-border);
}

.vku-specs-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.vku-spec-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.26rem 0.68rem;
  border-radius: 6px;
  background: rgba(0, 75, 73, 0.38);
  border: 1px solid var(--vku-accent-border);
  color: var(--vku-text-main);
}

/* Technical Spec DL inside each product card */
.vku-spec-dl {
  margin: 0;
  border-top: 1px solid var(--vku-border);
}

.vku-spec-dl__row {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0.75rem;
  padding: 0.52rem 0;
  border-bottom: 1px solid var(--vku-border);
  font-size: 0.85rem;
}

.vku-spec-dl__row dt {
  color: var(--vku-text-muted);
  font-weight: 600;
}

.vku-spec-dl__row dd {
  margin: 0;
  color: var(--vku-text-main);
  font-weight: 600;
}

.vku-b2b-box {
  background: rgba(5, 12, 11, 0.8);
  border: 1px solid var(--vku-accent-border);
  border-radius: var(--vku-radius-sm);
  padding: 0.9rem 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.vku-b2b-box__item span {
  display: block;
  font-family: var(--vku-mono);
  font-size: 0.7rem;
  color: var(--vku-text-muted);
  text-transform: uppercase;
}

.vku-b2b-box__item strong {
  font-size: 0.94rem;
  color: var(--vku-accent);
}

/* Multi-Angle Technical Views Strip */
.vku-views-grid {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.vku-view-card {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-md);
  padding: 1.25rem;
}

.vku-view-card__img-wrap {
  background: #ffffff;
  border-radius: var(--vku-radius-sm);
  padding: 0.75rem;
  margin: 0.75rem 0;
}

.vku-view-card__img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  display: block;
}

/* Side-by-Side Comparison Section (inspired by valkyrie.ar 24" vs 27" screen) */
.vku-compare-header-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.vku-compare-mini {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.vku-compare-mini__img {
  width: 140px;
  height: 92px;
  object-fit: cover;
  border-radius: var(--vku-radius-sm);
  border: 1px solid var(--vku-border);
  flex-shrink: 0;
}

.vku-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-md);
  background: var(--vku-bg-card);
}

.vku-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 640px;
}

.vku-table th,
.vku-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--vku-border);
  font-size: 0.9rem;
}

.vku-table thead th {
  background: var(--vku-teal-deep);
  color: var(--vku-text-main);
  font-family: var(--vku-mono);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vku-table tbody th {
  color: var(--vku-text-secondary);
  font-weight: 700;
  width: 30%;
}

.vku-table tbody tr[data-vku-diff="true"] {
  background: rgba(46, 229, 157, 0.1);
}

.vku-table tbody tr[data-vku-diff="true"] td {
  color: var(--vku-accent);
  font-weight: 700;
}

/* Fluency Callout Banner (from valkyrie.ar "¿Buscás fluidez? Ambos llegan hasta 200 Hz") */
.vku-fluency-banner {
  margin-top: 1.5rem;
  background: var(--vku-teal-deep);
  border: 1px solid var(--vku-accent-border);
  border-radius: var(--vku-radius-md);
  padding: 1.15rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--vku-text-main);
  font-size: 0.98rem;
}

.vku-choice-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.vku-choice-card {
  background: var(--vku-bg-surface);
  border: 1px solid var(--vku-border);
  border-left: 4px solid var(--vku-accent);
  border-radius: var(--vku-radius-sm);
  padding: 1rem 1.25rem;
}

/* Logistics Volume Calculator */
.vku-calc-card {
  background: linear-gradient(145deg, #0b1e1c 0%, #071211 100%);
  border: 1px solid var(--vku-accent-border);
  border-radius: var(--vku-radius-md);
  padding: 1.75rem;
  box-shadow: var(--vku-shadow);
}

.vku-calc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.vku-calc-results {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--vku-border);
  margin-bottom: 1.5rem;
}

.vku-calc-stat {
  background: rgba(5, 11, 10, 0.8);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-sm);
  padding: 1rem;
}

.vku-calc-stat__label {
  font-family: var(--vku-mono);
  font-size: 0.72rem;
  color: var(--vku-text-muted);
  text-transform: uppercase;
  display: block;
}

.vku-calc-stat__value {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--vku-accent);
  margin-top: 0.3rem;
  display: block;
}

/* Editorial Brand Identity Block */
.vku-brand-showcase {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.25rem;
  align-items: center;
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-md);
  padding: 2rem;
}

.vku-brand-showcase__art {
  border-radius: var(--vku-radius-sm);
  overflow: hidden;
  border: 1px solid var(--vku-accent-border);
  background: #040908;
}

.vku-brand-showcase__img {
  width: 100%;
  height: auto;
  display: block;
}

.vku-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.vku-principle-card {
  background: var(--vku-bg-surface);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-sm);
  padding: 1.15rem;
}

/* Communication Channels Grid */
.vku-channels-highlight {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.vku-channel-primary {
  background: linear-gradient(145deg, rgba(0, 75, 73, 0.55) 0%, rgba(10, 25, 23, 0.9) 100%);
  border: 1px solid var(--vku-accent-border);
  border-radius: var(--vku-radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.vku-mailboxes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.vku-mailbox-card {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-border);
  border-radius: var(--vku-radius-sm);
  padding: 1.05rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.vku-mailbox-card__role {
  font-family: var(--vku-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vku-accent);
}

.vku-mailbox-card__email {
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--vku-text-main);
  text-decoration: none;
  word-break: break-all;
}

.vku-mailbox-card__email:hover {
  color: var(--vku-accent);
}

.vku-mailbox-card__desc {
  font-size: 0.8rem;
  color: var(--vku-text-muted);
  margin: 0;
}

/* Contact & Inquiry Form */
.vku-form-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 2rem;
  align-items: start;
}

.vku-form-card {
  background: var(--vku-bg-card);
  border: 1px solid var(--vku-accent-border);
  border-radius: var(--vku-radius-md);
  padding: 1.75rem;
  box-shadow: var(--vku-shadow);
}

.vku-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.vku-field {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  margin-bottom: 1rem;
}

.vku-field label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--vku-text-secondary);
}

.vku-input,
.vku-select,
.vku-textarea {
  width: 100%;
  padding: 0.68rem 0.9rem;
  border-radius: var(--vku-radius-sm);
  border: 1px solid var(--vku-border);
  background: #050c0b;
  color: var(--vku-text-main);
  font-size: 0.92rem;
  font-family: inherit;
}

.vku-input:focus,
.vku-select:focus,
.vku-textarea:focus {
  outline: 2px solid var(--vku-accent);
  border-color: transparent;
}

.vku-alert-ok {
  background: var(--vku-accent-soft);
  border: 1px solid var(--vku-accent);
  color: var(--vku-text-main);
  padding: 1rem 1.25rem;
  border-radius: var(--vku-radius-sm);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

/* Footer */
.vku-footer {
  background: #030807;
  padding: 3rem 0 2rem;
}

.vku-footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.vku-footer__title {
  font-family: var(--vku-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vku-accent);
  margin: 0 0 0.85rem;
}

.vku-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.vku-footer__list a {
  color: var(--vku-text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
}

.vku-footer__list a:hover {
  color: var(--vku-accent);
}

.vku-footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--vku-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--vku-text-muted);
}

@media (max-width: 1200px) {
  .vku-header__inner,
  .vku-nav,
  .vku-header__actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 1024px) {
  .vku-hero__grid,
  .vku-products-grid,
  .vku-views-grid,
  .vku-compare-header-cards,
  .vku-brand-showcase,
  .vku-form-layout,
  .vku-footer__grid {
    grid-template-columns: 1fr;
  }
  .vku-channels-highlight,
  .vku-principles-grid,
  .vku-mailboxes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .vku-calc-grid,
  .vku-calc-results,
  .vku-stat-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .vku-channels-highlight,
  .vku-principles-grid,
  .vku-mailboxes-grid,
  .vku-calc-grid,
  .vku-calc-results,
  .vku-stat-strip,
  .vku-form-grid,
  .vku-b2b-box,
  .vku-choice-grid {
    grid-template-columns: 1fr;
  }
  .vku-compare-mini {
    flex-direction: column;
    align-items: flex-start;
  }
}