:root {
  --brand: #f8851e;
  --brand-dark: #eb630f;
  --ink: #151515;
  --text: #4f4f4f;
  --muted: #777;
  --line: #dedede;
  --paper: #fff;
  --soft: #f4f4f1;
  --dark-panel: #202020;
  --max: 1240px;
  --radius: 4px;
  --shadow: 0 18px 50px rgba(21, 21, 21, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(2.5rem, 5.1vw, 4.9rem);
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

p:last-child {
  margin-bottom: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.narrow {
  max-width: 800px;
}

.section {
  padding-block: 104px;
}

.section--soft {
  background: var(--soft);
}

.section--dark {
  color: #d7d7d7;
  background: var(--ink);
}

.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.eyebrow,
.model-label,
.breadcrumb,
.card-model {
  color: var(--brand-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
}

.section-head > div {
  max-width: 760px;
}

.section-head p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 23px;
  border: 1px solid var(--brand);
  border-radius: var(--radius);
  color: #fff;
  background: var(--brand);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.button--dark {
  border-color: var(--ink);
  background: var(--ink);
}

.button--dark:hover,
.button--dark:focus-visible {
  border-color: var(--brand);
  background: var(--brand);
}

.button--outline {
  color: var(--ink);
  border-color: #bbb;
  background: transparent;
}

.button--outline:hover,
.button--outline:focus-visible {
  color: #fff;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 750;
}

.text-link::after {
  content: "→";
  transition: transform 180ms ease;
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translateX(4px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(21, 21, 21, 0.09);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand-logo {
  display: inline-flex;
  width: 172px;
  flex: none;
  align-items: center;
}

.brand-logo img {
  max-height: 42px;
  object-fit: contain;
  object-position: left center;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.primary-nav > a,
.nav-dropdown > button {
  padding: 26px 0;
  border: 0;
  color: var(--ink);
  background: none;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  cursor: pointer;
}

.primary-nav > a:hover,
.primary-nav > a:focus-visible,
.nav-dropdown > button:hover,
.nav-dropdown > button:focus-visible,
.primary-nav > a[aria-current="page"] {
  color: var(--brand-dark);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > button::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 0 3px 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.mega-menu {
  position: absolute;
  top: calc(100% - 1px);
  right: -80px;
  display: grid;
  width: 640px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 24px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-dropdown:hover .mega-menu,
.nav-dropdown:focus-within .mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mega-menu a {
  padding: 14px 12px;
  border-bottom: 1px solid #eee;
  color: var(--ink);
  font-weight: 700;
}

.mega-menu a span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 400;
}

.mega-menu a:hover,
.mega-menu a:focus-visible {
  color: var(--brand-dark);
  background: var(--soft);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 23px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span {
  margin-block: 5px;
}

.nav-open .menu-toggle span {
  opacity: 0;
}

.nav-open .menu-toggle::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .menu-toggle::after {
  transform: translateY(-7px) rotate(-45deg);
}

.breadcrumb {
  margin-bottom: 24px;
  color: #777;
  letter-spacing: 0.08em;
}

.breadcrumb a:hover {
  color: var(--brand-dark);
}

.home-hero {
  position: relative;
  overflow: hidden;
  color: #d8d8d8;
  background: var(--ink);
}

.home-hero::after {
  position: absolute;
  right: -14%;
  bottom: -45%;
  width: 760px;
  height: 760px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(248, 133, 30, 0.22), rgba(248, 133, 30, 0) 68%);
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 710px;
  align-items: center;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 72px;
}

.home-hero h1 {
  color: #fff;
}

.hero-copy {
  padding-block: 92px;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 610px;
  margin-bottom: 34px;
  font-size: 1.1rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-product {
  align-self: stretch;
  min-height: 590px;
}

.hero-product img {
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 42px rgba(0, 0, 0, 0.3));
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--soft);
  grid-column: span 2;
}

.category-card:nth-child(1),
.category-card:nth-child(2) {
  grid-column: span 3;
}

.category-card img {
  height: 280px;
  object-fit: contain;
  transition: transform 260ms ease;
}

.category-card:hover img {
  transform: scale(1.025);
}

.category-card__body {
  padding: 25px 28px 30px;
}

.category-card__body p {
  margin-bottom: 14px;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 20px;
}

.product-card {
  min-width: 0;
}

.product-card__media {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--soft);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  padding: 24px;
  object-fit: contain;
  transition: transform 260ms ease;
}

.product-card:hover .product-card__media img {
  transform: scale(1.035);
}

.product-card__body {
  padding: 22px 3px 6px;
}

.product-card h3 {
  margin-bottom: 10px;
  font-size: 1.42rem;
}

.product-card p {
  display: -webkit-box;
  min-height: 52px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 18px;
}

.spec-tag {
  padding: 5px 9px;
  border: 1px solid #d6d6d3;
  color: #5d5d5d;
  background: #fff;
  font-size: 0.75rem;
  line-height: 1.2;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: #3a3a3a;
}

.feature-band article {
  min-height: 270px;
  padding: 42px 32px;
  background: var(--dark-panel);
}

.feature-number {
  display: block;
  margin-bottom: 42px;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 800;
}

.feature-band p {
  color: #aaa;
}

.split-panel {
  display: grid;
  align-items: stretch;
  grid-template-columns: 1fr 1fr;
}

.split-panel__media {
  min-height: 560px;
  background: var(--soft);
}

.split-panel__media img {
  height: 100%;
  object-fit: contain;
}

.split-panel__copy {
  display: flex;
  padding: 80px max(48px, calc((100vw - var(--max)) / 2));
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.split-panel__copy p {
  max-width: 600px;
  color: var(--muted);
}

.page-hero {
  padding-block: 88px 74px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 1020px;
  font-size: clamp(2.7rem, 4.8vw, 4.6rem);
}

.page-hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.08rem;
}

.category-nav {
  position: sticky;
  top: 76px;
  z-index: 50;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  scrollbar-width: none;
}

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

.category-nav__inner {
  display: flex;
  min-width: max-content;
  gap: 28px;
}

.category-nav a {
  padding: 18px 0 15px;
  border-bottom: 3px solid transparent;
  color: #666;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.category-nav a:hover,
.category-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--brand);
}

.catalog-section + .catalog-section {
  border-top: 1px solid var(--line);
}

.product-hero {
  padding-block: 54px 90px;
}

.product-hero__grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  gap: 68px;
}

.gallery-main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--soft);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  padding: 32px;
  object-fit: contain;
}

.gallery-thumbs {
  display: grid;
  margin-top: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.gallery-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  padding: 0;
  border: 1px solid transparent;
  background: var(--soft);
  cursor: pointer;
}

.gallery-thumb[aria-pressed="true"],
.gallery-thumb:hover,
.gallery-thumb:focus-visible {
  border-color: var(--brand);
}

.gallery-thumb img {
  height: 100%;
  padding: 8px;
  object-fit: contain;
}

.product-summary {
  position: sticky;
  top: 112px;
}

.product-summary h1 {
  margin-bottom: 20px;
  font-size: clamp(2.35rem, 4vw, 4.15rem);
}

.product-lead {
  margin-bottom: 26px;
  color: #666;
  font-size: 1.04rem;
}

.key-facts {
  display: grid;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.key-fact span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.key-fact strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-size: 0.96rem;
}

.variant-picker {
  margin: 26px 0 20px;
  padding: 0;
  border: 0;
}

.variant-picker legend {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 800;
}

.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.variant-option {
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid #c9c9c9;
  color: var(--ink);
  background: #fff;
  cursor: pointer;
}

.variant-option[aria-pressed="true"],
.variant-option:hover,
.variant-option:focus-visible {
  color: #fff;
  border-color: var(--ink);
  background: var(--ink);
}

.amazon-button {
  width: 100%;
  margin-top: 5px;
}

.external-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

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

.feature-card {
  overflow: hidden;
  background: #fff;
}

.feature-card__media {
  aspect-ratio: 16 / 11;
  background: #efefec;
}

.feature-card__media img {
  height: 100%;
  object-fit: contain;
}

.feature-card__body {
  padding: 30px 32px 36px;
}

.feature-card__body p {
  color: var(--muted);
}

.ocr-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.ocr-highlight {
  padding: 26px;
  border-top: 3px solid var(--brand);
  background: #282828;
  color: #fff;
  font-size: 0.93rem;
  font-weight: 700;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: var(--ink);
  font-size: 0.85rem;
}

.spec-table td {
  color: #656565;
}

.bottom-cta {
  display: flex;
  padding: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: #fff;
  background: var(--ink);
}

.bottom-cta h2 {
  max-width: 700px;
  margin-bottom: 0;
  color: #fff;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

.brand-hero {
  min-height: 680px;
  color: #d7d7d7;
  background: var(--ink);
}

.brand-hero h1 {
  color: #fff;
}

.brand-hero__grid {
  display: grid;
  min-height: 680px;
  align-items: center;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
}

.brand-collage {
  display: grid;
  padding-block: 48px;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.brand-collage figure {
  min-height: 230px;
  margin: 0;
  background: #2b2b2b;
}

.brand-collage figure:nth-child(2),
.brand-collage figure:nth-child(3) {
  transform: translateY(22px);
}

.brand-collage img {
  height: 100%;
  padding: 16px;
  object-fit: contain;
}

.principle-list {
  border-top: 1px solid var(--line);
}

.principle-row {
  display: grid;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 80px minmax(220px, 0.6fr) 1fr;
  gap: 30px;
}

.principle-row span {
  color: var(--brand-dark);
  font-weight: 800;
}

.principle-row h3 {
  margin: 0;
}

.principle-row p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding-block: 58px 32px;
  color: #aaa;
  background: #202020;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
}

.footer-brand {
  max-width: 430px;
}

.footer-brand img {
  width: 175px;
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  gap: 30px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--brand);
}

.footer-bottom {
  margin-top: 54px;
  padding-top: 22px;
  border-top: 1px solid #363636;
  font-size: 0.78rem;
}

@media (max-width: 1024px) {
  .container {
    width: min(calc(100% - 40px), var(--max));
  }

  .hero-grid,
  .brand-hero__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 32px;
  }

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

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

  .product-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
    gap: 38px;
  }
}

@media (max-width: 780px) {
  h1 {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
  }

  h2 {
    font-size: clamp(1.9rem, 8vw, 2.7rem);
  }

  .section {
    padding-block: 68px;
  }

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

  .header-inner {
    min-height: 64px;
  }

  .brand-logo {
    width: 145px;
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    inset: 64px 0 0;
    display: none;
    padding: 24px 20px 40px;
    align-items: stretch;
    background: #fff;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
  }

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

  .primary-nav > a,
  .nav-dropdown > button {
    width: 100%;
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
    text-align: left;
  }

  .mega-menu {
    position: static;
    width: 100%;
    padding: 8px 0 0 14px;
    border: 0;
    box-shadow: none;
    grid-template-columns: 1fr;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .mega-menu a {
    padding: 13px 8px;
  }

  .hero-grid,
  .brand-hero__grid {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 72px 0 0;
  }

  .hero-product {
    min-height: 350px;
  }

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

  .category-card,
  .category-card:nth-child(1),
  .category-card:nth-child(2) {
    min-height: 0;
    grid-column: auto;
  }

  .category-card img {
    height: 230px;
  }

  .product-grid,
  .feature-grid,
  .ocr-highlights {
    grid-template-columns: 1fr;
  }

  .feature-band {
    grid-template-columns: 1fr;
  }

  .feature-band article {
    min-height: 0;
  }

  .feature-number {
    margin-bottom: 24px;
  }

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

  .split-panel__media {
    min-height: 380px;
  }

  .split-panel__copy {
    padding: 62px 24px;
  }

  .page-hero {
    padding-block: 64px 54px;
  }

  .category-nav {
    top: 64px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-hero {
    padding-block: 34px 70px;
  }

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

  .product-summary {
    position: static;
  }

  .key-facts {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-main img {
    padding: 18px;
  }

  .bottom-cta {
    padding: 36px 26px;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-collage {
    order: -1;
  }

  .principle-row {
    grid-template-columns: 52px 1fr;
  }

  .principle-row p {
    grid-column: 2;
  }

  .footer-top,
  .footer-nav {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .button-row .button {
    width: 100%;
  }

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

  .gallery-thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .key-facts {
    grid-template-columns: 1fr;
  }

  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  .spec-table td {
    padding-top: 0;
  }

  .brand-collage figure {
    min-height: 170px;
  }
}

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