:root {
  --bg: #0d0c0b;
  --bg-soft: #161311;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --surface: #f4e8d8;
  --surface-soft: #e8dbc8;
  --text: #f7f1ea;
  --muted: #c8bbaf;
  --ink: #1b1511;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --accent: #ef8f34;
  --accent-soft: #ffd59b;
  --mint: #7cccb7;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1240px;
  --font-body: "Manrope", sans-serif;
  --font-display: "Space Grotesk", "Manrope", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 143, 52, 0.18), transparent 24%),
    radial-gradient(circle at right 15%, rgba(124, 204, 183, 0.08), transparent 20%),
    linear-gradient(180deg, #100d0b 0%, #090807 48%, #130f0d 100%);
  font-family: var(--font-body);
  text-align: start;
}

html[lang="ar"] {
  --font-body: "Cairo", "Manrope", sans-serif;
  --font-display: "Cairo", "Manrope", sans-serif;
}

html[lang="zh"] {
  --font-body:
    "Noto Sans SC",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    "Manrope",
    sans-serif;
  --font-display: var(--font-body);
}

html[lang="ja"] {
  --font-body:
    "Noto Sans JP",
    "Hiragino Sans",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  --font-display: var(--font-body);
}

html[lang="ko"] {
  --font-body:
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  --font-display: var(--font-body);
}

html[lang="ru"],
html[lang="kk"],
html[lang="ky"],
html[lang="mn"] {
  --font-display: "Manrope", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.35;
  pointer-events: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

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

.page-shell {
  position: relative;
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.section-padding {
  padding: 5.5rem 0;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 8, 8, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.brand-mark-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.12rem;
}

.brand-copy strong,
.hero h1,
.section-heading h2,
.channel-copy h2,
.fit-copy h2,
.factory-copy h2,
.contact-copy h2,
.test-detail h3 {
  font-family: var(--font-display);
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#brand-subtitle {
  letter-spacing: 0.01em;
  text-transform: none;
}

html[lang="zh"] .brand-copy small {
  letter-spacing: 0.02em;
  text-transform: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.42rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.lang-select {
  min-width: 10.5rem;
  min-height: 2.35rem;
  padding: 0.45rem 2.1rem 0.45rem 0.9rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 1.15rem) 0.98rem,
    calc(100% - 0.85rem) 0.98rem;
  background-size: 0.38rem 0.38rem, 0.38rem 0.38rem;
  background-repeat: no-repeat;
}

.lang-select:focus {
  outline: 2px solid rgba(255, 213, 155, 0.28);
}

.lang-select option {
  color: var(--ink);
}

html[dir="rtl"] .lang-select {
  padding-right: 0.9rem;
  padding-left: 2.1rem;
  background-position:
    1.15rem 0.98rem,
    0.85rem 0.98rem;
}

html[dir="rtl"] .site-header {
  flex-direction: row-reverse;
}

html[dir="rtl"] .header-actions,
html[dir="rtl"] .site-nav,
html[dir="rtl"] .hero-actions,
html[dir="rtl"] .tag-row,
html[dir="rtl"] .factory-badges,
html[dir="rtl"] .site-footer {
  flex-direction: row-reverse;
}

html[dir="rtl"] .hero-copy,
html[dir="rtl"] .section-heading,
html[dir="rtl"] .channel-copy,
html[dir="rtl"] .fit-copy,
html[dir="rtl"] .factory-copy,
html[dir="rtl"] .contact-copy,
html[dir="rtl"] .test-detail-copy,
html[dir="rtl"] .faq-question,
html[dir="rtl"] .contact-form label {
  text-align: right;
}

html[dir="rtl"] .hero-signals li {
  padding-right: 1.5rem;
  padding-left: 0;
}

html[dir="rtl"] .hero-signals li::before {
  right: 0;
  left: auto;
}

html[dir="rtl"] .solution-points,
html[dir="rtl"] .process-points,
html[dir="rtl"] .factory-copy ul {
  padding-right: 1.1rem;
  padding-left: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.28rem;
  padding: 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-solid {
  color: #160d07;
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent) 100%);
  box-shadow: 0 18px 36px rgba(239, 143, 52, 0.28);
}

.button-ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button-full {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 2rem;
  min-height: calc(100vh - 10rem);
}

.eyebrow,
.card-kicker,
.test-detail-label {
  color: var(--accent-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1 {
  max-width: 13ch;
  margin: 0.75rem 0 1rem;
  font-size: clamp(2.9rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

html[lang="zh"] .hero h1 {
  max-width: 11ch;
  line-height: 1.04;
  font-size: clamp(2.45rem, 5vw, 4.6rem);
}

.hero-text,
.section-heading p,
.channel-copy p,
.fit-copy > p,
.factory-copy > p,
.contact-copy > p,
.test-detail > p,
.test-detail-copy > p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-text {
  max-width: 40rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.hero-signals {
  display: grid;
  gap: 0.85rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-signals li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--surface);
}

.hero-signals li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 0 0.35rem rgba(124, 204, 183, 0.14);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.hero-proof article,
.stats-band article,
.contact-checklist article,
.fit-metrics article {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.hero-proof strong,
.stats-band strong,
.fit-metrics strong {
  display: block;
  font-size: 1.25rem;
  color: var(--surface);
}

.hero-proof span,
.stats-band span,
.fit-metrics span,
.catalog-note,
.solution-card p,
.featured-card p,
.faq-answer,
.contact-form label span,
.form-note,
.factory-copy li,
.process-points li,
.test-button span,
.channel-card p,
.factory-link-card p,
.contact-link-card p {
  color: var(--muted);
}

.hero-media {
  display: grid;
  gap: 1rem;
}

.hero-main-card,
.channel-strip,
.stats-band,
.catalog-card,
.solution-card,
.featured-card,
.test-detail,
.fit-visual,
.process-card,
.faq-item,
.contact-form,
.factory-panel,
.channel-card,
.factory-link-card,
.contact-link-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.hero-main-card,
.channel-strip,
.stats-band,
.catalog-card,
.solution-card,
.featured-card,
.test-detail,
.fit-visual,
.process-card,
.faq-item,
.contact-form,
.factory-panel {
  border-radius: var(--radius-xl);
}

.hero-main-card {
  overflow: hidden;
}

.hero-main-image {
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, 0.03);
}

.hero-main-image img,
.catalog-image img,
.featured-image img,
.test-detail-media img,
.fit-photo img,
.factory-shot img,
.hero-thumb-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-main-body,
.catalog-body,
.featured-body,
.solution-card,
.process-card,
.contact-form,
.factory-panel {
  padding: 1.35rem;
}

.hero-main-body h3,
.catalog-card h3,
.solution-card h3,
.featured-card h3,
.process-card h3,
.faq-question span,
.channel-card strong,
.factory-link-card strong,
.contact-link-card strong {
  margin: 0;
  font-size: 1.2rem;
}

.hero-main-body p,
.catalog-card p,
.solution-card p,
.featured-card p,
.channel-card p,
.factory-link-card p,
.contact-link-card p {
  margin: 0.75rem 0 0;
  line-height: 1.7;
}

.tag-row,
.factory-badges,
.contact-official {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.8rem;
}

.tag-row {
  margin-top: 1rem;
}

.tag-row span,
.factory-badges span {
  padding: 0.48rem 0.82rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--surface);
  font-size: 0.84rem;
}

.hero-thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-thumb-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.hero-thumb-card img {
  aspect-ratio: 1 / 1;
}

.hero-thumb-card div {
  padding: 0.95rem;
}

.hero-thumb-card strong {
  display: block;
  margin-top: 0.45rem;
  line-height: 1.4;
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1rem;
}

.channel-strip {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1.2rem;
}

.channel-copy,
.factory-copy,
.contact-copy {
  padding: 0.6rem 0;
}

.channel-copy h2,
.section-heading h2,
.fit-copy h2,
.factory-copy h2,
.contact-copy h2 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.channel-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.channel-card,
.factory-link-card,
.contact-link-card {
  display: grid;
  align-content: start;
  gap: 0.15rem;
  padding: 1.15rem;
  border-radius: var(--radius-lg);
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.channel-card:hover,
.factory-link-card:hover,
.contact-link-card:hover,
.catalog-card:hover,
.solution-card:hover,
.featured-card:hover,
.process-card:hover,
.faq-item:hover,
.test-button:hover {
  transform: translateY(-4px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  color: var(--accent-soft);
  font-weight: 700;
}

.section-heading {
  max-width: 48rem;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-chip {
  padding: 0.82rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.filter-chip.is-active,
.filter-chip:hover,
.filter-chip:focus-visible {
  color: var(--ink);
  background: var(--surface);
  border-color: transparent;
}

.catalog-grid,
.solution-grid,
.featured-grid,
.process-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

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

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

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

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

.catalog-card {
  overflow: hidden;
}

.catalog-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.catalog-body {
  display: grid;
  gap: 0.95rem;
}

.catalog-tag,
.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.42rem 0.68rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--surface);
  font-size: 0.8rem;
}

.catalog-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.catalog-program {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.catalog-meta strong,
.test-bars strong {
  display: block;
  margin-top: 0.3rem;
  color: var(--surface);
  font-size: 1rem;
}

.catalog-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-soft);
  font-weight: 700;
}

.catalog-option-list {
  display: grid;
  gap: 0.75rem;
}

.catalog-option {
  display: grid;
  grid-template-columns: 4.75rem 1fr;
  gap: 0.85rem;
  padding: 0.7rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.catalog-option img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0.75rem;
}

.catalog-option strong,
.catalog-option span {
  display: block;
}

.catalog-option p,
.catalog-option span {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
}

.catalog-option span {
  color: var(--accent-soft);
}

.solution-card {
  display: grid;
  gap: 0.9rem;
  min-height: 17rem;
}

.solution-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.8rem;
  background: rgba(239, 143, 52, 0.14);
  color: var(--accent-soft);
  font-weight: 800;
}

.solution-points,
.process-points {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.1rem;
}

.solution-points li::marker,
.process-points li::marker {
  color: var(--accent);
}

.featured-card {
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.featured-card-large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
}

.featured-image {
  aspect-ratio: 1 / 1;
}

.featured-card-large .featured-image {
  aspect-ratio: auto;
  height: 100%;
}

.featured-body {
  display: grid;
  align-content: start;
}

.quality-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 1rem;
  margin-top: 2rem;
}

.test-list {
  display: grid;
  gap: 0.8rem;
}

.test-button {
  display: grid;
  gap: 0.55rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
  color: inherit;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.test-button strong {
  font-size: 1.1rem;
}

.test-button.is-active {
  border-color: rgba(255, 213, 155, 0.28);
  background: rgba(239, 143, 52, 0.1);
}

.test-detail {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 1rem;
  padding: 1.35rem;
}

.test-detail-media {
  min-height: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.test-detail-media img {
  height: 100%;
  aspect-ratio: 1 / 1;
}

.test-detail h3 {
  margin: 0.45rem 0 0.75rem;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.03;
}

.test-bars {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.test-bars div {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.fitment-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: center;
}

.fit-steps {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.fit-steps article {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.fit-steps span,
.contact-checklist span {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(239, 143, 52, 0.13);
  color: var(--accent-soft);
  font-weight: 800;
}

.fit-steps h3,
.contact-checklist strong {
  margin: 0.85rem 0 0.45rem;
}

.fit-visual {
  padding: 1.4rem;
}

.fit-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.fit-photo {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.fit-photo:first-child {
  grid-row: span 2;
}

.fit-photo img {
  aspect-ratio: 4 / 5;
}

.fit-photo strong {
  display: block;
  padding: 0.9rem 1rem 1rem;
  line-height: 1.45;
}

.fit-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.process-card {
  display: grid;
  gap: 1rem;
  min-height: 17rem;
}

.process-card header {
  display: grid;
  gap: 0.8rem;
}

.factory-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
  align-items: stretch;
}

.factory-copy ul {
  display: grid;
  gap: 0.75rem;
  padding-left: 1.1rem;
}

.factory-copy li::marker {
  color: var(--accent);
}

.factory-panel {
  display: grid;
  gap: 1rem;
}

.factory-mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.factory-shot {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.factory-shot img {
  aspect-ratio: 1 / 1;
}

.factory-links {
  display: grid;
  gap: 0.8rem;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 2rem;
}

.faq-item {
  overflow: hidden;
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: transparent;
  color: inherit;
  text-align: left;
}

.faq-question strong {
  color: var(--accent-soft);
  font-size: 1.3rem;
  transition: transform 180ms ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.25rem;
  transition:
    max-height 220ms ease,
    padding 220ms ease;
}

.faq-answer p {
  margin: 0 0 1.15rem;
  line-height: 1.75;
}

.faq-item.is-open .faq-answer {
  max-height: 14rem;
  padding: 0 1.25rem 0.2rem;
}

.faq-item.is-open .faq-question strong {
  transform: rotate(45deg);
}

.contact-checklist {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-form {
  position: relative;
  display: grid;
  gap: 1rem;
  overflow: hidden;
}

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

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(200, 187, 175, 0.7);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(255, 213, 155, 0.28);
  border-color: rgba(255, 213, 155, 0.3);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-official {
  margin-top: 0.5rem;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-brand-block {
  max-width: 32rem;
}

.footer-brand {
  display: inline-flex;
}

.footer-brand-block p {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.footer-links {
  display: grid;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--muted);
}

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

.footer-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 12rem;
  min-height: 3.25rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent) 100%);
  color: #160d07;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
}

.floating-cta {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 18;
  padding: 0.95rem 1.2rem;
  border-radius: 999px;
  color: #160d07;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent) 100%);
  box-shadow: 0 24px 48px rgba(239, 143, 52, 0.26);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 30;
  min-width: min(92vw, 28rem);
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 8, 8, 0.88);
  color: var(--surface);
  text-align: center;
  transform: translate(-50%, 150%);
  transition: transform 220ms ease;
}

.toast.is-visible {
  transform: translate(-50%, 0);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero,
  .channel-strip,
  .quality-layout,
  .fitment-section,
  .factory-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .featured-card-large {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .catalog-grid,
  .solution-grid,
  .featured-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-official,
  .channel-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    top: 0.75rem;
    border-radius: 1.5rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    background: rgba(8, 8, 8, 0.96);
    box-shadow: var(--shadow);
  }

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

  .header-cta {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-thumb-grid,
  .hero-proof,
  .stats-band,
  .catalog-grid,
  .solution-grid,
  .featured-grid,
  .process-grid,
  .field-row,
  .contact-official,
  .channel-links,
  .catalog-meta,
  .fit-metrics {
    grid-template-columns: 1fr;
  }

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

  .catalog-toolbar,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, var(--max-width));
  }

  .section-padding {
    padding: 4.25rem 0;
  }

  .site-header {
    padding: 0.75rem;
    gap: 0.7rem;
  }

  .brand-mark {
    width: 2.5rem;
    height: 2.5rem;
  }

  .brand-copy small {
    font-size: 0.72rem;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 12vw, 3.3rem);
  }

  .channel-copy h2,
  .section-heading h2,
  .fit-copy h2,
  .factory-copy h2,
  .contact-copy h2 {
    font-size: clamp(1.9rem, 9vw, 2.5rem);
  }

  .hero-main-body,
  .catalog-body,
  .solution-card,
  .featured-body,
  .process-card,
  .contact-form,
  .factory-panel {
    padding: 1.1rem;
  }

  .fit-gallery,
  .factory-mosaic {
    grid-template-columns: 1fr;
  }

  .fit-photo:first-child {
    grid-row: auto;
  }

  .floating-cta {
    right: 1rem;
    bottom: 1rem;
  }
}