:root {
  --color-black: #050506;
  --color-panel: #0d0e10;
  --color-panel-strong: #14161a;
  --color-white: #ffffff;
  --color-soft-white: #f3f5f7;
  --color-muted: #a8adb6;
  --color-line: rgba(255, 255, 255, 0.12);
  --color-yellow: #ffee00;
  --color-orange: #f47c22;
  --color-cyan: #00aeef;
  --color-pink: #ec2f86;
  --color-gray: #7c838f;
  --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-card: 8px;
  --radius-control: 6px;
  --container: 1180px;
  --header-height: 82px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-white);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at 76% 8%, rgba(255, 238, 0, 0.09), transparent 28rem),
    radial-gradient(circle at 8% 32%, rgba(0, 174, 239, 0.08), transparent 24rem),
    linear-gradient(180deg, #070708 0%, #050506 36%, #090a0c 100%);
  min-width: 320px;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
  z-index: -1;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  padding: 14px 0;
  backdrop-filter: blur(10px);
}

.site-header::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  background: rgba(5, 5, 6, 0.78);
  border-bottom: 1px solid var(--color-line);
  z-index: -1;
}

.logo-link,
.footer-logo {
  width: 152px;
}

.brand-logo {
  width: 152px;
  height: auto;
}

.main-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1;
}

.main-nav a {
  transition: color 180ms ease;
}

.main-nav a:hover {
  color: var(--color-white);
}

.menu-toggle {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  color: var(--color-white);
  font-weight: 750;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

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

.button-primary {
  background: var(--color-yellow);
  color: #090909;
  box-shadow: 0 12px 36px rgba(255, 238, 0, 0.22);
}

.button-secondary,
.button-outline,
.button-ghost {
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary:hover,
.button-outline:hover,
.button-ghost:hover {
  border-color: rgba(255, 238, 0, 0.54);
}

.button-small {
  min-height: 40px;
  padding: 0 16px;
  background: var(--color-white);
  color: var(--color-black);
}

.section-shell {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.hero {
  min-height: min(860px, calc(100vh - var(--header-height)));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  align-items: start;
  gap: 54px;
  padding: clamp(64px, 9vh, 112px) 0 70px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--color-yellow);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(40px, 5.35vw, 72px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 640px;
  color: var(--color-soft-white);
  font-size: 20px;
  line-height: 1.55;
}

.hero-offer {
  max-width: 720px;
  margin-bottom: 20px;
  color: var(--color-white);
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-actions,
.buy-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 32px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 620px;
  margin-top: 42px;
}

.hero-stats span {
  min-height: 86px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
  color: var(--color-muted);
  line-height: 1.4;
}

.hero-stats strong {
  display: block;
  color: var(--color-white);
  font-size: 30px;
  line-height: 1;
}

.hero-visual {
  position: relative;
  max-width: 100%;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 238, 0, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)),
    #0b0c0f;
  box-shadow: var(--shadow-card);
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 238, 0, 0.18);
  transform: skewX(-12deg);
}

.hero-visual::after {
  inset: 20% -22% 18% 42%;
  border-color: rgba(0, 174, 239, 0.26);
}

.bolt-mark {
  position: absolute;
  top: 32px;
  right: 34px;
  width: 42px;
  height: 96px;
  clip-path: polygon(58% 0, 17% 53%, 46% 53%, 27% 100%, 83% 39%, 54% 39%);
  background: var(--color-yellow);
  opacity: 0.88;
}

.product-stage {
  position: relative;
  z-index: 2;
  width: min(100%, 520px);
  height: 505px;
}

.hero-can {
  position: absolute;
  bottom: 36px;
  left: 50%;
  width: 46%;
  height: 84%;
  object-fit: contain;
  object-position: center;
  border-radius: 8px;
  filter: drop-shadow(0 20px 20px rgba(0, 0, 0, 0.42));
}

.hero-can-main {
  z-index: 3;
  transform: translateX(-50%);
}

.hero-can-left {
  z-index: 2;
  width: 36%;
  height: 64%;
  transform: translateX(-112%) rotate(-4deg);
  opacity: 0.94;
}

.hero-can-right {
  z-index: 1;
  width: 36%;
  height: 64%;
  transform: translateX(14%) rotate(4deg);
  opacity: 0.94;
}

.hero-note {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  z-index: 4;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 14px;
  align-items: center;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.4;
}

.hero-note p {
  margin: 0;
}

.note-line {
  height: 2px;
  background: var(--color-yellow);
}

.products,
.categories,
.benefits,
.selector,
.audience,
.seo-text,
.buy,
.faq {
  padding: 74px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.6;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  min-height: 650px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.026));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--accent, var(--color-yellow));
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent, var(--color-yellow)) 54%, white 0%);
}

.accent-rubber-black {
  --accent: var(--color-yellow);
}

.accent-rubber-white {
  --accent: var(--color-white);
}

.accent-rubber-clear {
  --accent: var(--color-gray);
}

.accent-antiscotch {
  --accent: var(--color-pink);
}

.accent-defroster {
  --accent: var(--color-cyan);
}

.accent-copper {
  --accent: var(--color-orange);
}

.product-image {
  height: 300px;
  padding: 18px 18px 0;
  background:
    radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 6px;
  filter: saturate(1.08) contrast(1.08) drop-shadow(0 14px 18px rgba(0, 0, 0, 0.34));
}

.product-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.product-type {
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 48%, transparent);
  border-radius: 999px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.product-content p,
.benefit-grid p,
.buy-panel p,
.faq p,
.footer-brand p,
.footer-contacts span {
  color: var(--color-muted);
  line-height: 1.6;
}

.product-content ul {
  display: grid;
  gap: 9px;
  margin: 8px 0 24px;
  padding: 0;
  list-style: none;
  color: var(--color-soft-white);
}

.product-content li {
  position: relative;
  padding-left: 18px;
  line-height: 1.35;
}

.product-content li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--accent);
  transform: rotate(45deg);
}

.card-actions {
  margin-top: auto;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.category-grid article {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background:
    linear-gradient(145deg, rgba(255, 238, 0, 0.08), transparent 42%),
    rgba(255, 255, 255, 0.035);
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.category-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 238, 0, 0.34);
}

.category-grid span {
  width: fit-content;
  margin-bottom: 28px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-yellow);
  color: var(--color-yellow);
  font-weight: 850;
}

.category-grid h3 {
  font-size: 20px;
}

.category-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.55;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.benefit-grid article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
}

.line-icon {
  display: block;
  width: 54px;
  height: 22px;
  margin-bottom: 28px;
  border-top: 2px solid var(--color-yellow);
  border-right: 2px solid var(--color-yellow);
  transform: skewX(-28deg);
}

.selector-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.selector-tile {
  position: relative;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  overflow: hidden;
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.selector-tile::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 30px;
  height: 30px;
  border-right: 2px solid var(--color-yellow);
  border-bottom: 2px solid var(--color-yellow);
}

.selector-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 238, 0, 0.42);
}

.selector-tile span {
  position: relative;
  z-index: 1;
  color: var(--color-muted);
  line-height: 1.5;
}

.selector-tile strong {
  position: relative;
  z-index: 1;
  max-width: 100%;
  font-size: 21px;
  line-height: 1.12;
}

.audience-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.audience-list span {
  padding: 15px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-soft-white);
  font-weight: 650;
}

.buy-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(255, 238, 0, 0.28);
  border-radius: var(--radius-card);
  background:
    linear-gradient(135deg, rgba(255, 238, 0, 0.16), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
    #0d0e10;
  box-shadow: var(--shadow-card);
}

.buy-panel h2 {
  max-width: 720px;
}

.buy-panel p {
  max-width: 620px;
  font-size: 18px;
}

.buy-actions {
  align-content: start;
  justify-content: end;
  max-width: 430px;
}

.sales-channels {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding-top: 8px;
}

.sales-channels span {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: rgba(0, 0, 0, 0.22);
  color: var(--color-soft-white);
  font-weight: 700;
  text-align: center;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.seo-grid article {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
}

.seo-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.product-page {
  background:
    radial-gradient(circle at 72% 16%, rgba(255, 238, 0, 0.08), transparent 25rem),
    linear-gradient(180deg, #070708 0%, #050506 48%, #090a0c 100%);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 30px;
  color: var(--color-muted);
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--color-yellow);
  font-weight: 750;
}

.breadcrumbs span::before {
  content: "/";
  margin-right: 10px;
  color: var(--color-line);
}

.product-detail {
  padding: 64px 0 58px;
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.75fr);
  gap: 42px;
  align-items: center;
}

.product-detail-copy h1 {
  max-width: 760px;
}

.product-offer {
  max-width: 680px;
  font-size: clamp(25px, 3vw, 38px);
}

.product-detail-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background:
    radial-gradient(circle at 50% 20%, color-mix(in srgb, var(--detail-accent, var(--color-yellow)) 16%, transparent), transparent 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    #0b0c0f;
  box-shadow: var(--shadow-card);
}

.product-detail-visual::before {
  content: "";
  position: absolute;
  inset: 13%;
  border: 1px solid color-mix(in srgb, var(--detail-accent, var(--color-yellow)) 38%, transparent);
  transform: skewX(-12deg);
}

.product-detail-visual img {
  position: relative;
  z-index: 1;
  width: min(72%, 330px);
  max-height: 500px;
  object-fit: contain;
  filter: saturate(1.08) contrast(1.08) drop-shadow(0 22px 24px rgba(0, 0, 0, 0.42));
}

.product-info,
.documents {
  padding: 44px 0;
}

.related-products {
  padding: 44px 0 74px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-panel,
.documents-panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
}

.info-panel {
  min-height: 280px;
  padding: 24px;
}

.info-panel-wide {
  grid-column: span 2;
}

.info-panel p,
.documents-panel p {
  color: var(--color-muted);
  line-height: 1.6;
}

.detail-list,
.steps-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: var(--color-soft-white);
}

.detail-list {
  list-style: none;
}

.detail-list li,
.steps-list li {
  line-height: 1.45;
}

.detail-list li {
  position: relative;
  padding-left: 18px;
}

.detail-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--detail-accent, var(--color-yellow));
  transform: rotate(45deg);
}

.steps-list {
  padding-left: 20px;
}

.steps-list li::marker {
  color: var(--detail-accent, var(--color-yellow));
  font-weight: 850;
}

.documents-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  padding: clamp(26px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 238, 0, 0.12), transparent 34%),
    rgba(255, 255, 255, 0.035);
}

.spec-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
}

.spec-list div {
  min-height: 76px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.18);
}

.spec-list dt {
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-list dd {
  margin: 0;
  color: var(--color-white);
  line-height: 1.35;
  font-weight: 750;
}

.documents-subtitle {
  margin-top: 28px;
}

.compact-list {
  margin-top: 12px;
  max-width: 760px;
}

.document-actions {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.related-card {
  min-height: 210px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 238, 0, 0.38);
}

.related-card img {
  width: 100%;
  height: 116px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.32));
}

.related-card span {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
}

.related-card strong {
  color: var(--color-white);
  line-height: 1.18;
}

details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.035);
}

summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 18px 22px;
  font-weight: 750;
  cursor: pointer;
}

details p {
  margin: -4px 22px 20px;
  max-width: 860px;
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: #040405;
}

.footer-inner {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 44px;
  padding: 46px 0 34px;
}

.footer-logo {
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 420px;
}

.footer-nav,
.footer-contacts {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-nav a,
.footer-contacts a {
  color: var(--color-muted);
  transition: color 180ms ease;
}

.footer-nav a:hover,
.footer-contacts a:hover {
  color: var(--color-white);
}

.footer-contacts p {
  margin-bottom: 2px;
  font-weight: 800;
}

.footer-bottom {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0 28px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 13px;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 20px;
    right: 20px;
    display: none;
    justify-self: stretch;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    background: rgba(9, 10, 12, 0.98);
    box-shadow: var(--shadow-card);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 16px;
  }

  .menu-toggle {
    justify-self: end;
    align-self: center;
    position: relative;
    display: inline-block;
    width: 50px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
      rgba(6, 7, 9, 0.82);
    color: var(--color-white);
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.03),
      0 10px 26px rgba(0, 0, 0, 0.28);
    cursor: pointer;
    transition:
      border-color 180ms ease,
      background-color 180ms ease,
      box-shadow 180ms ease;
  }

  .menu-toggle span {
    position: absolute;
    left: 50%;
    top: 50%;
    display: block;
    width: 23px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transform-origin: center;
    transform: translate(-50%, -50%);
    transition:
      transform 180ms ease,
      opacity 180ms ease,
      width 180ms ease,
      background-color 180ms ease;
  }

  .menu-toggle span:nth-child(2) {
    width: 18px;
  }

  .menu-toggle span:nth-child(1) {
    transform: translate(-50%, calc(-50% - 7px));
  }

  .menu-toggle span:nth-child(3) {
    transform: translate(-50%, calc(-50% + 7px));
  }

  .menu-toggle:hover,
  .menu-toggle[aria-expanded="true"] {
    border-color: rgba(255, 238, 0, 0.55);
    box-shadow:
      inset 0 0 0 1px rgba(255, 238, 0, 0.08),
      0 12px 30px rgba(255, 238, 0, 0.12);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    width: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 44px;
  }

  .hero-visual {
    min-height: 560px;
  }

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

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

  .benefit-grid,
  .selector-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .buy-panel {
    grid-template-columns: 1fr;
  }

  .buy-actions {
    justify-content: start;
    max-width: none;
  }

  .product-detail-hero {
    grid-template-columns: 1fr;
  }

  .product-detail-visual {
    min-height: 500px;
  }

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

  .documents-panel {
    grid-template-columns: 1fr;
  }

  .document-actions {
    position: static;
    justify-content: start;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 108px;
  }

  .site-header,
  .section-shell,
  .footer-inner,
  .footer-bottom {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    gap: 10px;
    min-height: var(--header-height);
    padding: 0;
  }

  .brand-logo,
  .logo-link,
  .footer-logo {
    width: 124px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    gap: 28px;
    padding-bottom: 48px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-offer {
    font-size: 27px;
  }

  .hero-actions .button,
  .buy-actions .button,
  .card-actions .button {
    width: 100%;
  }

  .hero-stats,
  .product-grid,
  .category-grid,
  .benefit-grid,
  .selector-grid,
  .sales-channels,
  .seo-grid,
  .related-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-stats span {
    min-height: auto;
  }

  .hero-visual {
    min-height: 480px;
  }

  .product-stage {
    height: 430px;
  }

  .hero-can {
    height: 84%;
    width: 52%;
  }

  .hero-can-left,
  .hero-can-right {
    height: 58%;
    width: 36%;
  }

  .hero-note {
    grid-template-columns: 36px 1fr;
    left: 18px;
    right: 18px;
    bottom: 18px;
  }

  .products,
  .categories,
  .benefits,
  .selector,
  .audience,
  .seo-text,
  .buy,
  .faq {
    padding: 48px 0;
  }

  .product-card {
    min-height: auto;
  }

  .product-image {
    height: 270px;
  }

  .selector-tile,
  .benefit-grid article {
    min-height: 190px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .product-detail {
    padding: 38px 0 34px;
  }

  .product-detail-visual {
    min-height: 420px;
  }

  .product-detail-visual img {
    max-height: 370px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-panel-wide {
    grid-column: auto;
  }

  .document-actions .button {
    width: 100%;
  }

  .spec-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 29px;
  }

  .button {
    padding-inline: 14px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .product-stage {
    height: 385px;
  }

  .hero-can-main {
    width: 58%;
  }

  .hero-can-left {
    transform: translateX(-108%) rotate(-4deg);
  }

  .hero-can-right {
    transform: translateX(8%) rotate(4deg);
  }
}