:root {
  --paper: #f5f6f1;
  --paper-2: #fbfaf6;
  --white: #ffffff;
  --ink: #172126;
  --charcoal: #27343c;
  --steel: #3e4d53;
  --muted: #667176;
  --line: #d6ddd9;
  --line-strong: #aebbb6;
  --orange: #e66a2c;
  --orange-dark: #bd4f19;
  --orange-soft: #fff0e6;
  --green: #2f6f5e;
  --green-soft: #e7f0eb;
  --shadow: 0 16px 34px rgba(23, 33, 38, 0.07);
  --radius: 8px;
  --site-pad: clamp(18px, 4.5vw, 76px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id],
article[id] {
  scroll-margin-top: 280px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.is-scrolled .site-header {
  box-shadow: 0 10px 22px rgba(23, 33, 38, 0.08);
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
ol,
ul,
dl,
dd {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 18px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(21px, 2.2vw, 28px);
  line-height: 1.16;
  letter-spacing: 0;
}

h4 {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.25;
}

p,
li,
dd,
dt,
summary,
button {
  font-size: 17px;
  line-height: 1.55;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 100;
  padding: 10px 12px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.utility-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 44px;
  padding: 8px var(--site-pad);
  color: var(--white);
  background: var(--charcoal);
}

.utility-bar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
}

.utility-bar a {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.site-header {
  position: static;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 86px;
  padding: 12px var(--site-pad);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  transition: box-shadow 180ms ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 260px;
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(280px, 34vw, 480px);
  max-height: 76px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

.nav a,
.category-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  border-radius: 6px;
}

.nav a:hover,
.nav a[aria-current="page"],
.category-nav a:hover {
  color: var(--orange-dark);
  background: var(--orange-soft);
}

.category-nav {
  position: static;
  z-index: 35;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px var(--site-pad);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  scrollbar-width: thin;
}

.category-nav a {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--white);
}

.hero,
.shop-intro,
.support-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  padding: clamp(44px, 7vw, 88px) var(--site-pad);
  background: var(--paper-2);
}

.shop-intro,
.support-hero {
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.hero-copy,
.shop-intro > div,
.support-hero > div {
  max-width: 820px;
}

.eyebrow {
  margin-bottom: 13px;
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.eyebrow.on-dark {
  color: #ffd7c2;
}

.lede {
  max-width: 720px;
  margin-bottom: 26px;
  color: var(--steel);
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.45;
}

.hero-actions,
.product-actions,
.support-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.button,
.filter-button {
  min-height: 46px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.filter-button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--ink);
  background: var(--orange);
  box-shadow: 0 10px 22px rgba(230, 106, 44, 0.18);
}

.button.primary:hover {
  background: #ef793d;
}

.button.secondary,
.filter-button {
  color: var(--charcoal);
  border-color: var(--line-strong);
  background: var(--white);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.hero-proof span,
.status-pill,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero-proof span {
  color: var(--charcoal);
  border: 1px solid var(--line);
  background: var(--white);
}

.hero-product,
.catalog-panel,
.support-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-product {
  overflow: hidden;
}

.visual-frame {
  padding: clamp(16px, 3vw, 28px);
  background:
    linear-gradient(90deg, rgba(39, 52, 60, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(39, 52, 60, 0.06) 1px, transparent 1px),
    var(--paper-2);
  background-size: 34px 34px;
}

.visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.hero-product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 20px;
  border-top: 1px solid var(--line);
}

.hero-product-footer h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  color: var(--charcoal);
  font-weight: 900;
  text-decoration: none;
}

.text-link:hover {
  color: var(--orange-dark);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0 var(--site-pad);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.trust-strip div {
  min-height: 116px;
  padding: 20px;
  background: var(--white);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 6px;
  color: var(--charcoal);
  font-size: 17px;
}

.trust-strip span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.section {
  padding: clamp(48px, 7vw, 90px) var(--site-pad);
  border-top: 1px solid var(--line);
}

.section-kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
}

.section-kicker .eyebrow {
  margin: 0;
}

.section-heading {
  max-width: 920px;
  margin-bottom: 30px;
}

.section-heading p {
  color: var(--muted);
}

.category-grid,
.product-grid,
.catalog-grid,
.support-grid,
.fit-grid {
  display: grid;
  gap: 18px;
}

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

.product-grid,
.catalog-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-grid,
.fit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.category-card,
.support-grid article,
.fit-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--charcoal);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.category-card {
  min-height: 268px;
  display: flex;
  flex-direction: column;
}

.category-card p,
.support-grid p,
.fit-grid p {
  color: var(--muted);
}

.category-card a {
  margin-top: auto;
  color: var(--orange-dark);
  font-weight: 900;
  text-decoration: none;
}

.accent-card {
  border-top-color: var(--orange);
  background: var(--orange-soft);
}

.card-number {
  margin-bottom: 18px;
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.product-section {
  background: var(--white);
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 184px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(39, 52, 60, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(39, 52, 60, 0.07) 1px, transparent 1px),
    var(--paper-2);
  background-size: 28px 28px;
}

.product-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-media::after {
  content: "Concept visual";
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 6px 9px;
  color: var(--white);
  background: rgba(23, 33, 38, 0.82);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.photo-media img {
  filter: saturate(0.92) contrast(1.04);
  transition: transform 220ms ease;
}

.product-card:hover .photo-media img {
  transform: scale(1.025);
}

.product-media::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 18px;
  width: 68px;
  height: 8px;
  background: var(--orange);
}

.product-media span {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  transform: translate(-50%, -50%);
}

.media-bottle span {
  width: 96px;
  height: 138px;
  border: 10px solid var(--charcoal);
  border-radius: 18px 18px 10px 10px;
  background: var(--white);
}

.media-bottle span::before {
  content: "";
  position: absolute;
  left: 26px;
  top: -48px;
  width: 42px;
  height: 44px;
  border-radius: 6px;
  background: var(--charcoal);
}

.media-bottle span::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 18px;
  width: 62px;
  height: 28px;
  border-radius: 5px;
  background: var(--orange);
}

.media-rail span {
  width: 176px;
  height: 38px;
  border-radius: 8px;
  background: var(--charcoal);
}

.media-rail span::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 30px;
  width: 18px;
  height: 82px;
  border-radius: 999px;
  background: var(--charcoal);
  box-shadow: 35px 0 0 var(--charcoal), 70px 0 0 var(--charcoal), 105px 0 0 var(--charcoal), 140px 0 0 var(--charcoal);
}

.media-bucket span {
  width: 184px;
  height: 118px;
  border: 10px solid var(--charcoal);
  border-top-width: 18px;
  border-radius: 12px 12px 42px 42px;
  background: rgba(230, 106, 44, 0.08);
}

.media-bucket span::after {
  content: "";
  position: absolute;
  right: -22px;
  top: 38px;
  width: 48px;
  height: 56px;
  border-radius: 6px;
  background: var(--orange);
}

.media-label span {
  width: 190px;
  height: 72px;
  border: 8px solid var(--charcoal);
  border-radius: 6px;
  background: var(--white);
}

.media-label span::before,
.media-label span::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  height: 8px;
  border-radius: 999px;
  background: var(--orange);
}

.media-label span::before {
  top: 18px;
}

.media-label span::after {
  top: 42px;
  background: var(--line-strong);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-body p {
  color: var(--muted);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.status-pill {
  color: var(--charcoal);
  background: var(--green-soft);
}

.product-code,
.panel-label {
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.mini-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: auto 0 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.mini-specs div {
  min-height: 70px;
  padding: 10px;
  background: var(--paper-2);
}

.mini-specs dt {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mini-specs dd {
  color: var(--charcoal);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.35;
}

.product-actions {
  margin-top: 18px;
}

.product-actions .button {
  flex: 1 1 150px;
}

.catalog-panel,
.support-card {
  padding: clamp(22px, 3vw, 34px);
  border-top: 4px solid var(--orange);
}

.catalog-panel h2,
.support-card h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.catalog-panel dl {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

.catalog-panel div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.catalog-panel dt {
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 900;
}

.catalog-panel dd {
  color: var(--muted);
  font-size: 15px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  cursor: pointer;
}

.filter-button.is-active {
  color: var(--ink);
  border-color: var(--orange);
  background: var(--orange-soft);
}

.catalog-card[hidden] {
  display: none;
}

.collection-callout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 26px;
  color: var(--white);
  background: var(--charcoal);
}

.collection-callout h2,
.collection-callout p {
  color: inherit;
}

.collection-callout p:not(.eyebrow) {
  max-width: 760px;
  opacity: 0.82;
}

.light-callout {
  color: var(--ink);
  background: var(--orange-soft);
}

.detail-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  color: var(--white);
  background: var(--charcoal);
}

.detail-band p,
.detail-band h2 {
  color: inherit;
}

.detail-band-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.detail-checklist {
  display: grid;
  gap: 12px;
}

.detail-checklist div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 17px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.detail-checklist strong {
  color: #ffd7c2;
}

.detail-checklist span {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.5;
}

.sheet-stack {
  display: grid;
  gap: 18px;
}

.product-sheet {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.sheet-summary,
.sheet-details > div {
  background: var(--white);
}

.sheet-summary {
  padding: 24px;
}

.sheet-summary h3 {
  margin-top: 10px;
}

.sheet-summary p,
.sheet-details p {
  color: var(--muted);
}

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

.sheet-details > div {
  padding: 24px;
}

.sheet-details h4 {
  color: var(--charcoal);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.support-section {
  background: var(--paper-2);
}

.support-grid article {
  border-top-color: var(--green);
}

.support-cta {
  margin-top: 28px;
}

.support-card p {
  color: var(--muted);
}

.fit-grid article {
  min-height: 220px;
}

.install-section {
  background: var(--white);
}

.install-steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
  list-style: none;
}

.install-steps li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--white);
}

.install-steps span {
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.install-steps p {
  margin-bottom: 0;
  color: var(--muted);
}

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

.faq-list details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

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

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
}

.footer {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 30px var(--site-pad);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer img {
  width: min(360px, 76vw);
  height: auto;
  margin-bottom: 12px;
}

.footer p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 16px;
}

.footer a {
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
}

.footer a:hover {
  color: var(--orange-dark);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-header,
  .button,
  .filter-button {
    transition: none;
  }
}

@media (max-width: 1240px) {
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 1060px) {
  .hero,
  .shop-intro,
  .support-hero,
  .detail-band,
  .product-sheet {
    grid-template-columns: 1fr;
  }

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

  .product-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.42fr) minmax(0, 0.58fr);
  }

  .product-media {
    min-height: 100%;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .category-nav {
    top: 82px;
  }
}

@media (max-width: 820px) {
  .utility-bar,
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    position: static;
  }

  .category-nav {
    position: static;
  }

  .nav {
    justify-content: flex-start;
  }

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

  .hero-product-footer,
  .section-kicker,
  .collection-callout,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-kicker,
  .collection-callout,
  .hero-product-footer,
  .footer {
    display: flex;
  }

  .footer nav {
    justify-content: flex-start;
  }

  .sheet-details {
    grid-template-columns: 1fr;
  }

  .catalog-panel div,
  .detail-checklist div,
  .install-steps li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  :root {
    --site-pad: 16px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 58px);
  }

  h2 {
    font-size: clamp(28px, 10vw, 42px);
  }

  p,
  li,
  dd,
  dt,
  summary,
  button {
    font-size: 16px;
  }

  .brand img {
    width: min(320px, 82vw);
    max-height: 72px;
  }

  .hero,
  .shop-intro,
  .support-hero,
  .section {
    padding-left: var(--site-pad);
    padding-right: var(--site-pad);
  }

  .category-grid,
  .catalog-grid,
  .fit-grid,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .product-card {
    display: flex;
  }

  .product-media {
    min-height: 168px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-actions,
  .product-actions,
  .support-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .filter-button {
    width: 100%;
  }

  .filter-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .mini-specs {
    grid-template-columns: 1fr;
  }

  .category-card,
  .support-grid article,
  .fit-grid article,
  .sheet-summary,
  .sheet-details > div,
  .catalog-panel,
  .support-card {
    padding: 18px;
  }
}