@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Outfit:wght@400;500;600;700;800&family=Syne:wght@600;700;800&display=swap");

:root {
  --ink: #101820;
  --ink-soft: #2a3642;
  --steel: #3d4f5f;
  --mist: #eef2f5;
  --paper: #f7f9fb;
  --line: rgba(16, 24, 32, 0.1);
  --accent: #d97706;
  --accent-deep: #b45309;
  --teal: #0f6b6b;
  --wa: #128c7e;
  --wa-deep: #075e54;
  --shadow: 0 18px 50px rgba(16, 24, 32, 0.12);
  --radius: 18px;
  --header-h: 76px;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Outfit", "Noto Sans SC", sans-serif;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 107, 107, 0.08), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(217, 119, 6, 0.08), transparent 50%),
    linear-gradient(180deg, #f4f7f9 0%, var(--paper) 40%, #eef2f5 100%);
  line-height: 1.55;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 249, 251, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}

.brand__mark {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 1.15rem;
  line-height: 1.1;
}

.brand__sub {
  font-size: 0.68rem;
  color: var(--steel);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.nav a:hover::after,
.nav a.is-current::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.65);
}

.lang-switch button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  color: var(--steel);
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-switch button.is-active {
  background: var(--ink);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.btn--primary {
  background: var(--ink);
  color: #fff;
}

.btn--primary:hover {
  background: #000;
  box-shadow: var(--shadow);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--accent-deep);
  box-shadow: 0 14px 30px rgba(217, 119, 6, 0.28);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
}

.btn--wa {
  background: var(--wa);
  color: #fff;
}

.btn--wa:hover {
  background: var(--wa-deep);
  box-shadow: 0 14px 30px rgba(18, 140, 126, 0.3);
}

.btn--sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.9rem;
}

.btn--block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(8, 14, 20, 0.78) 10%, rgba(8, 14, 20, 0.35) 55%, rgba(8, 14, 20, 0.55) 100%),
    url("https://images.unsplash.com/photo-1558981403-c5f9899a28bc?auto=format&fit=crop&w=2000&q=80")
      center/cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(8, 14, 20, 0.75), transparent 45%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 18px,
      rgba(255, 255, 255, 0.02) 18px,
      rgba(255, 255, 255, 0.02) 19px
    );
}

@keyframes heroZoom {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.08);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: calc(var(--header-h) + 3rem) 0 4.5rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6.8rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 0.92;
  margin: 0 0 1.1rem;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  animation: riseIn 0.9s ease both;
}

.hero__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 600;
  max-width: 18em;
  animation: riseIn 0.9s ease 0.1s both;
}

.hero__sub {
  margin: 0 0 1.8rem;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
  animation: riseIn 0.9s ease 0.18s both;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: riseIn 0.9s ease 0.26s both;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: -2.2rem;
  position: relative;
  z-index: 2;
}

.trust-item {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1rem;
  text-align: center;
  font-weight: 600;
  color: var(--ink-soft);
  box-shadow: 0 10px 30px rgba(16, 24, 32, 0.06);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.trust-item:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 107, 107, 0.35);
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section--tight {
  padding: 3.5rem 0;
}

.section__head {
  max-width: 40rem;
  margin-bottom: 2.2rem;
}

.section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin: 0 0 0.55rem;
  letter-spacing: -0.02em;
}

.section__head p {
  margin: 0;
  color: var(--steel);
}

.category-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.category-card {
  position: relative;
  min-height: 320px;
  border-radius: 28px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  display: flex;
  align-items: flex-end;
  transition: transform 0.35s ease;
}

.category-card:hover {
  transform: translateY(-6px);
}

.category-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s ease;
  z-index: -2;
}

.category-card:hover .category-card__bg {
  transform: scale(1.06);
}

.category-card__bg--moto {
  background-image:
    linear-gradient(to top, rgba(8, 14, 20, 0.85), rgba(8, 14, 20, 0.15)),
    url("https://images.unsplash.com/photo-1568772585407-9361f9bf3a87?auto=format&fit=crop&w=1400&q=80");
}

.category-card__bg--app {
  background-image:
    linear-gradient(to top, rgba(8, 14, 20, 0.85), rgba(8, 14, 20, 0.2)),
    url("https://images.unsplash.com/photo-1570222094114-d054a817e56b?auto=format&fit=crop&w=1400&q=80");
}

.category-card__body {
  padding: 1.8rem;
}

.category-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
}

.category-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.product-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(15, 107, 107, 0.25);
}

.product-card__media {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #d9e1e8;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.product-card:hover .product-card__media img {
  transform: scale(1.06);
}

.badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: var(--teal);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
}

.product-card__body {
  padding: 1.05rem 1.1rem 1.2rem;
}

.product-card__cat {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
  line-height: 1.3;
}

.product-card h3 a:hover {
  color: var(--teal);
}

.product-card p {
  margin: 0 0 1rem;
  color: var(--steel);
  font-size: 0.92rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}

.product-card__actions {
  display: flex;
  gap: 0.5rem;
}

.section-cta {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

/* OEM steps */
.oem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.oem-step {
  position: relative;
  padding: 1.4rem 1.2rem;
  border-radius: 20px;
  background: linear-gradient(160deg, #fff, #f3f6f8);
  border: 1px solid var(--line);
  min-height: 180px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.oem-step:hover {
  transform: translateY(-4px);
  border-color: rgba(217, 119, 6, 0.35);
}

.oem-step__num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.7rem;
}

.oem-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.oem-step p {
  margin: 0;
  color: var(--steel);
  font-size: 0.92rem;
}

.band {
  border-radius: 28px;
  padding: clamp(1.8rem, 4vw, 3rem);
  background:
    linear-gradient(120deg, rgba(15, 107, 107, 0.95), rgba(16, 24, 32, 0.95)),
    url("https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1600&q=80")
      center/cover;
  color: #fff;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 1.5rem;
  align-items: center;
}

.band h2 {
  font-family: var(--font-display);
  margin: 0 0 0.6rem;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.band p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  max-width: 40rem;
}

/* Page hero */
.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 2.5rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0;
  color: var(--steel);
  max-width: 36rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
  color: var(--ink-soft);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.chip.is-active,
.chip:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.toolbar__right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.search {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  min-width: min(280px, 70vw);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 107, 107, 0.12);
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--steel);
  padding: 3rem 1rem;
}

/* Detail */
.detail {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 2rem;
  align-items: start;
}

.detail__media {
  border-radius: 28px;
  overflow: hidden;
  background: #dce4ea;
  border: 1px solid var(--line);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.detail__media img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.detail__cat {
  color: var(--teal);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 0.5rem;
}

.detail h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 0.4rem;
  line-height: 1.15;
}

.detail__id {
  margin: 0 0 1rem;
  color: var(--steel);
  font-size: 0.92rem;
}

.detail__summary {
  font-size: 1.08rem;
  margin: 0 0 1rem;
}

.detail__desc {
  color: var(--steel);
  margin: 0 0 1.4rem;
}

.detail__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.55rem;
}

.detail__specs li {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
}

.detail__oem {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  color: var(--teal);
  font-weight: 700;
}

.back-link {
  display: inline-flex;
  margin-bottom: 1.2rem;
  color: var(--steel);
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--ink);
}

/* About / Contact */
.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}

.prose {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.4rem, 3vw, 2rem);
}

.prose p {
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

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

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

.value-item {
  background: linear-gradient(160deg, #fff, #f2f6f8);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.value-item:hover {
  transform: translateX(4px);
}

.contact-card {
  background: #101820;
  color: #fff;
  border-radius: 28px;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  display: grid;
  gap: 1rem;
}

.contact-row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-row span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
}

.contact-row strong,
.contact-row a {
  font-size: 1.05rem;
  word-break: break-word;
}

.contact-row a:hover {
  color: #fbbf24;
}

.contact-hint {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  background: #0d141b;
  color: rgba(255, 255, 255, 0.82);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.site-footer .brand__mark {
  color: #fff;
}

.site-footer .brand__sub {
  color: rgba(255, 255, 255, 0.55);
  max-width: none;
  white-space: normal;
}

.footer-col h4 {
  margin: 0 0 0.8rem;
  color: #fff;
  font-size: 0.95rem;
}

.footer-col a,
.footer-col p {
  display: block;
  margin: 0 0 0.45rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 60;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--wa);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(18, 140, 126, 0.4);
  transition: transform 0.2s ease, background 0.2s ease;
  animation: pulseWa 2.4s ease infinite;
}

.wa-float:hover {
  transform: scale(1.06);
  background: var(--wa-deep);
}

.wa-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@keyframes pulseWa {
  0%,
  100% {
    box-shadow: 0 12px 28px rgba(18, 140, 126, 0.4);
  }
  50% {
    box-shadow: 0 12px 28px rgba(18, 140, 126, 0.4), 0 0 0 12px rgba(18, 140, 126, 0.12);
  }
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 960px) {
  .trust-bar,
  .product-grid,
  .oem-grid,
  .footer-grid,
  .category-grid,
  .detail,
  .split,
  .band {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 820px) {
  .nav-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(247, 249, 251, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.4rem;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a::after {
    display: none;
  }

  .header-actions .btn--wa {
    display: none;
  }

  .brand__sub {
    max-width: 160px;
  }

  .trust-bar,
  .product-grid,
  .footer-grid,
  .category-grid,
  .detail,
  .split {
    grid-template-columns: 1fr;
  }

  .trust-bar {
    margin-top: 1rem;
  }

  .detail__media {
    position: static;
  }

  .hero__brand {
    letter-spacing: 0.04em;
  }
}

@media (max-width: 560px) {
  .oem-grid {
    grid-template-columns: 1fr;
  }

  .container,
  .header-inner,
  .hero__content {
    width: min(var(--max), calc(100% - 1.5rem));
  }

  .meta-grid,
  .meta-grid--inline,
  .sample-grid,
  .detail-panels,
  .why-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .dossier--oem {
    padding: 1.2rem 0.9rem 1.1rem;
  }
}

/* Extended multi-page styles */
.footer-grid--4 {
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
}

.footer-blurb {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  margin-top: 0.6rem;
  max-width: 28rem;
}

.why-grid,
.market-grid,
.stats-grid,
.meta-grid {
  display: grid;
  gap: 1rem;
}

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

.why-card,
.market-item,
.stat-card,
.meta-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem 1.2rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.why-card:hover,
.market-item:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 107, 107, 0.3);
}

.why-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
}

.why-card p {
  margin: 0;
  color: var(--steel);
}

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

.market-item {
  font-weight: 600;
  text-align: center;
  color: var(--ink-soft);
}

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

.stat-card {
  text-align: center;
}

.stat-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--teal);
  line-height: 1.1;
}

.stat-card span {
  color: var(--steel);
  font-size: 0.92rem;
}

.meta-grid {
  grid-template-columns: repeat(3, 1fr);
  margin: 1.2rem 0 1.4rem;
}

.meta-card span {
  display: block;
  color: var(--steel);
  font-size: 0.8rem;
  margin-bottom: 0.35rem;
}

.meta-card strong {
  font-size: 0.95rem;
  line-height: 1.35;
  font-weight: 600;
}

.detail-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
}

.detail-anchor-nav a {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.detail-anchor-nav a:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.dossier {
  margin-top: 2.8rem;
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--line);
}

.dossier--oem {
  margin-top: 2.4rem;
  padding: 1.8rem 1.4rem 1.6rem;
  border: 1px solid rgba(15, 107, 107, 0.22);
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(15, 107, 107, 0.06), rgba(255, 255, 255, 0.75)),
    rgba(255, 255, 255, 0.65);
}

.dossier__head {
  margin-bottom: 1.2rem;
}

.dossier__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin: 0 0 0.4rem;
}

.dossier__head p {
  margin: 0;
  color: var(--steel);
}

.dossier__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.detail-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.4rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.oem-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.oem-table th,
.oem-table td {
  text-align: left;
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 0.92rem;
}

.oem-table th {
  background: rgba(16, 24, 32, 0.04);
  font-weight: 700;
  color: var(--ink);
}

.oem-table td:first-child {
  font-weight: 650;
  color: var(--teal);
  white-space: nowrap;
}

.oem-process {
  display: grid;
  gap: 0.75rem;
}

.oem-process__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}

.oem-process__step {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  line-height: 1;
  min-width: 2rem;
}

.oem-process__item h4 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.oem-process__item p {
  margin: 0;
  color: var(--steel);
  font-size: 0.92rem;
}

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

.detail-panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.25rem 1.3rem;
}

.detail-panel--wide {
  grid-column: 1 / -1;
}

.detail-panel h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.detail-panel__body p {
  margin: 0 0 0.75rem;
  color: var(--ink-soft);
}

.detail-panel__body p:last-child {
  margin-bottom: 0;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.check-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

[data-lang-block][hidden] {
  display: none !important;
}

.legal-updated {
  margin-top: 0.75rem;
  color: var(--steel);
  font-size: 0.88rem;
}

.legal-doc h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 1.6rem 0 0.7rem;
}

.legal-doc h2:first-child {
  margin-top: 0;
}

.legal-doc ul {
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.legal-doc li {
  margin-bottom: 0.4rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 860px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.95rem 1.15rem;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(15, 107, 107, 0.35);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

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

.faq-item p {
  margin: 0.7rem 0 0;
  color: var(--steel);
}

.section-cta {
  gap: 0.75rem;
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .footer-grid--4,
  .market-grid,
  .why-grid,
  .detail-panels {
    grid-template-columns: 1fr 1fr;
  }
}