@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color: #171819;
  background: #fbfbfa;
  font-family: "Geist", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --red: #f10101;
  --ink: #171819;
  --body: #4b4f53;
  --muted: #6e7276;
  --line: rgb(23 24 25 / 14%);
  --white: #fbfbfa;
  --silver: #e9ebec;
  --silver-texture: url("../images/brushed-silver-surface-seamless-4k.jpg");
  --max: 1380px;
  --header-height: clamp(88px, 8.6vh, 104px);
  --display: clamp(54px, 5.2vw, 78px);
  --section-title: clamp(36px, 3.3vw, 48px);
  --body-lg: clamp(16px, 1.25vw, 19px);
  --body-size: 15.5px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--white); }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgb(241 1 1 / 24%); outline-offset: 4px; }

.page-shell { min-height: 100svh; display: flex; flex-direction: column; }
.page-main { flex: 1; }

.sub-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgb(23 24 25 / 10%);
  background: var(--white);
}
.sub-header__inner {
  width: 100%;
  height: 100%;
  padding: 0 clamp(32px, 3.2vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.sub-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: clamp(13px, 1vw, 18px);
  font-size: clamp(21px, 1.5vw, 26px);
  font-weight: 620;
  letter-spacing: -.026em;
  white-space: nowrap;
}
.sub-brand img {
  width: clamp(62px, 4.4vw, 72px);
  height: clamp(62px, 4.4vw, 72px);
  object-fit: contain;
}
.sub-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 1.65vw, 32px);
}
.sub-nav a {
  position: relative;
  height: var(--header-height);
  display: inline-flex;
  align-items: center;
  color: #252628;
  font-size: clamp(16px, 1.05vw, 19px);
  font-weight: 480;
  letter-spacing: -.018em;
  white-space: nowrap;
}
.sub-nav a::after {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transform: translateX(-50%);
  transition: width .22s ease;
}
.sub-nav a:hover::after, .sub-nav a.is-active::after { width: 38px; }
.sub-menu-button, .sub-mobile-nav { display: none; }

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.page-hero__inner {
  position: relative;
  width: min(var(--max), calc(100% - 96px));
  height: 204px;
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  align-items: center;
}
.page-hero__copy { max-width: none; }
.page-hero h1 {
  max-width: none;
  margin: 0;
  font-size: var(--display);
  font-weight: 590;
  line-height: .97;
  letter-spacing: -.038em;
  text-wrap: balance;
}
.page-hero__summary {
  max-width: none;
  margin: 20px 0 0;
  color: var(--body);
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 1.4;
  white-space: nowrap;
}
.silver-surface {
  position: relative;
  border-bottom: 1px solid var(--line);
  background-color: var(--silver);
  background-image:
    linear-gradient(112deg, rgb(255 255 255 / 22%), transparent 36%, rgb(205 209 211 / 12%) 72%, rgb(255 255 255 / 16%)),
    var(--silver-texture);
  background-position: center;
  background-size: 100% 100%, cover;
}
.editorial-grid,
.contact-grid,
.empty-grid {
  width: min(var(--max), calc(100% - 96px));
  margin: 0 auto;
  padding: clamp(42px, 4.4vw, 64px) 0 clamp(72px, 7vw, 104px);
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: clamp(64px, 8vw, 132px);
  align-items: start;
}
.editorial-media { width: 100%; margin: 0; }
.editorial-media img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.editorial-media--blend img {
  mix-blend-mode: multiply;
}
.editorial-media--portrait {
  overflow: hidden;
  border-radius: 14px;
}
.editorial-media--portrait img {
  display: block;
  aspect-ratio: 3072 / 3934;
}

/* About Us: full-width editorial composition aligned to the site header. */
.editorial-grid--about {
  width: min(var(--max), calc(100% - 96px));
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(32px, 3.4vw, 48px) 0;
  grid-template-columns: minmax(360px, 483px) minmax(0, 780px);
  gap: clamp(64px, 5vw, 96px);
  justify-content: center;
  align-items: start;
}
.about-surface { border-bottom: 0; }
.editorial-grid--about .editorial-media--portrait {
  width: 100%;
  max-width: 483px;
}

@media (min-width: 1101px) and (min-height: 800px) {
  .about-surface {
    min-height: calc(100dvh - var(--bte-header-height) - 164px);
    display: grid;
    align-items: center;
  }
}
.editorial-copy--about h2 {
  max-width: 760px;
  font-size: clamp(44px, 4vw, 64px);
  line-height: .98;
}
.editorial-copy--about .editorial-copy__body > p {
  max-width: 65ch;
  margin-top: 24px;
  font-size: clamp(17px, 1.25vw, 19px);
  line-height: 1.65;
}
.detail-block--about {
  margin-top: clamp(40px, 4vw, 56px);
  padding-top: clamp(28px, 3vw, 40px);
}
.detail-block.detail-block--about > h3 {
  max-width: 760px;
  margin-bottom: clamp(24px, 2.4vw, 32px);
  font-size: 23px;
  font-weight: 590;
  line-height: 1.08;
  letter-spacing: -.032em;
  text-wrap: balance;
}
.detail-block--about > h3 span { display: block; }
.detail-block--about .detail-item { padding: 22px 0 27px; }
.detail-block--about .detail-item h4 { margin-bottom: 10px; font-size: 18px; }
.detail-block--about .detail-item p { font-size: 16px; line-height: 1.58; }

/* Customization: same centered editorial system as About Us. */
.editorial-grid--customization {
  width: min(var(--max), calc(100% - 96px));
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 0;
  grid-template-columns: minmax(0, 692px) minmax(560px, 640px);
  gap: 48px;
  justify-content: center;
  align-items: center;
}
.customization-surface { border-bottom: 0; }
.editorial-copy--customization {
  grid-column: 1;
  grid-row: 1;
}
.editorial-copy--customization h2 { white-space: nowrap; }
.editorial-grid--customization .customization-gallery {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  margin: 0;
  align-self: center;
  grid-template-rows: none;
}
.editorial-grid--customization .customization-gallery img {
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.detail-block--customization {
  margin-top: 32px;
  padding-top: 24px;
}
.detail-block--customization > h3 {
  margin-bottom: 16px;
}
.detail-block--customization .detail-item {
  padding-top: 12px;
  padding-bottom: 14px;
}
.detail-block--customization .detail-item:last-child {
  grid-column: 1 / -1;
}

@media (min-width: 1101px) and (min-height: 800px) {
  .customization-surface {
    min-height: calc(100dvh - var(--bte-header-height) - 164px);
    display: grid;
    align-items: center;
  }
}

/* Certifications: About Us typography with a centered documentation gallery. */
.editorial-grid--certifications {
  width: min(var(--max), calc(100% - 96px));
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 0;
  grid-template-columns: minmax(0, 700px) minmax(560px, 632px);
  gap: 48px;
  justify-content: center;
  align-items: center;
}
.certification-surface { border-bottom: 0; }
.editorial-copy--certifications {
  grid-column: 1;
  grid-row: 1;
}
.editorial-copy--certifications h2 { white-space: nowrap; }
.editorial-grid--certifications .certification-gallery {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  margin: 0;
  align-self: center;
  gap: 16px;
}
.editorial-grid--certifications .certification-card {
  min-height: 220px;
  padding: 20px 16px 18px;
  display: grid;
  grid-template-rows: 104px 2px 38px;
  row-gap: 14px;
  align-content: center;
  justify-items: center;
}
.editorial-grid--certifications .certification-mark {
  grid-row: 1;
  width: 170px;
  max-width: 100%;
  height: 104px;
  align-self: center;
  justify-self: center;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.editorial-grid--certifications .certification-card img {
  width: 154px;
  max-width: none;
  height: 96px;
  transform-origin: center;
}
.editorial-grid--certifications .certification-card img[alt="CE"] {
  transform: translateX(7px) scale(1.1);
}
.editorial-grid--certifications .certification-card img[alt="RoHS"] {
  transform: translateY(-8px) scale(1.2);
}
.editorial-grid--certifications .certification-card img[alt="FCC"] {
  transform: translateX(4px) scale(1.2);
}
.editorial-grid--certifications .certification-card img[alt="UN38.3"] {
  transform: translate(2px, 2px) scale(1);
}
.editorial-grid--certifications .certification-card img[alt="MSDS"] {
  clip-path: inset(0 2px 0 0);
  transform: translate(-1px, 1px) scale(1.05);
}
.editorial-grid--certifications .certification-card img[alt="Transportation Certification"] {
  transform: translate(5px, -3px) scale(1.5);
}
.editorial-grid--certifications .certification-card span {
  grid-row: 2;
  margin: 0;
  align-self: center;
}
.editorial-grid--certifications .certification-card strong {
  grid-row: 3;
  min-height: 38px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.detail-block--certifications {
  margin-top: 32px;
  padding-top: 24px;
}
.detail-block--certifications > h3 { margin-bottom: 16px; }
.detail-block--certifications .detail-item {
  padding-top: 16px;
  padding-bottom: 18px;
}
.detail-block--certifications .detail-item:last-child {
  grid-column: 1 / -1;
}

@media (min-width: 1101px) and (min-height: 800px) {
  .certification-surface {
    min-height: calc(100dvh - var(--bte-header-height) - 164px);
    display: grid;
    align-items: center;
  }
}
.editorial-copy { padding-top: 0; }
.editorial-grid--media-right {
  width: min(1500px, calc(100% - 96px));
  grid-template-columns: minmax(0, 1fr) minmax(520px, 46.667%);
  gap: clamp(48px, 4vw, 64px);
}
.editorial-grid--media-right .editorial-media {
  width: 100%;
  margin-top: 28px;
  justify-self: end;
}
.customization-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.customization-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
}
.certification-gallery {
  width: 100%;
  margin-top: 28px;
  justify-self: end;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  background: transparent;
}
.certification-card {
  min-height: clamp(230px, 16vw, 278px);
  padding: 26px 18px 24px;
  background: #fff;
  border: 1px solid rgba(15, 16, 17, .08);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(28, 30, 32, .055);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.certification-card img {
  width: min(82%, 170px);
  height: 118px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.certification-card img[alt="UN38.3"] {
  clip-path: inset(0 4.5% 0 0);
}
.certification-card span {
  width: 36px;
  height: 2px;
  margin: 18px 0 18px;
  background: var(--red);
}
.certification-card strong {
  color: #505255;
  font-size: 16px;
  line-height: 1.15;
  font-weight: 650;
}
.page-label {
  margin: 0 0 18px;
  color: #25282a;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .065em;
}
.section-title,
.editorial-copy h2,
.contact-copy h2,
.inquiry-form h2 {
  max-width: 820px;
  margin: 0;
  font-size: var(--section-title);
  font-weight: 590;
  line-height: 1.02;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.section-intro,
.editorial-copy > p,
.contact-copy > p,
.editorial-copy__body > p {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--body);
  font-size: 16.5px;
  line-height: 1.62;
  text-wrap: pretty;
}

.contact-copy .editorial-copy__body > p {
  max-width: 620px;
}
.detail-block {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgb(23 24 25 / 18%);
}
.detail-block > h3 {
  margin: 0 0 20px;
  font-size: 21px;
  font-weight: 630;
  letter-spacing: -.025em;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 44px;
  border-top: 1px solid rgb(23 24 25 / 16%);
}
.detail-item {
  padding: 20px 0 22px;
  border-bottom: 1px solid rgb(23 24 25 / 16%);
}
.detail-item h4 {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 630;
  letter-spacing: -.018em;
}
.detail-item p {
  margin: 0;
  color: var(--body);
  font-size: 15px;
  line-height: 1.55;
}
.detail-note {
  width: 100%;
  max-width: none !important;
  margin-top: 24px !important;
  padding-top: 20px;
  border-top: 1px solid rgb(23 24 25 / 16%);
  color: #34373a !important;
  font-size: 15px !important;
}

.contact-grid {
  grid-template-columns: minmax(390px, .85fr) minmax(520px, 1.15fr);
}
.contact-copy { padding-top: 24px; }
.contact-grid--editorial {
  width: min(var(--max), calc(100% - 96px));
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 0;
  grid-template-columns: minmax(0, 640px) minmax(0, 680px);
  gap: clamp(48px, 4vw, 64px);
  justify-content: center;
  align-items: center;
}
.contact-surface { border-bottom: 0; }
.contact-grid--editorial .contact-copy { padding-top: 0; }
.contact-grid--editorial .contact-copy h2 {
  max-width: none;
  font-size: clamp(38px, 3vw, 48px);
  white-space: nowrap;
}
.contact-grid--editorial .contact-copy .editorial-copy__body > p {
  max-width: 62ch;
  margin-top: 22px;
  font-size: 16.5px;
  line-height: 1.62;
}
.contact-grid--editorial .contact-channels { margin-top: 24px; }
.contact-grid--editorial .contact-channel { padding: 13px 0; }
.contact-grid--editorial .address-panel { margin-top: 20px; }
.contact-grid--editorial .inquiry-form {
  padding: 32px 38px;
}
.contact-grid--editorial .inquiry-form h2 {
  margin-bottom: 24px;
}
.contact-grid--editorial .form-grid {
  gap: 16px 24px;
}
.contact-grid--editorial .form-field input,
.contact-grid--editorial .form-field select {
  min-height: 38px;
}
.contact-grid--editorial .form-field textarea {
  min-height: 72px;
}
.contact-grid--editorial .form-actions { margin-top: 22px; }

@media (min-width: 1201px) and (min-height: 800px) {
  .contact-surface {
    min-height: calc(100dvh - var(--bte-header-height) - 164px);
    display: grid;
    align-items: center;
  }
}
.contact-channels {
  width: 100%;
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  border-top: 1px solid rgb(23 24 25 / 16%);
}
.contact-channel {
  min-width: 0;
  padding: 18px 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid rgb(23 24 25 / 16%);
}
.contact-channel__icon {
  width: 30px;
  height: 30px;
  object-fit: contain;
  background: transparent;
}
.contact-channel span {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.2;
}
.contact-channel strong,
.contact-channel a {
  display: block;
  overflow-wrap: anywhere;
  color: var(--body);
  font-size: 14.5px;
  font-weight: 420;
  line-height: 1.55;
}
.contact-channel a[href^="mailto:"] {
  overflow-wrap: normal;
  white-space: nowrap;
}
.address-panel {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
}
.address-panel h3 { margin: 3px 0 8px; font-size: 17px; font-weight: 700; }
.address-panel > div { grid-column: 2; }
.address-panel p { margin: 0 0 8px; color: var(--body); font-size: 14.5px; line-height: 1.55; }

.inquiry-form {
  padding: clamp(34px, 4vw, 54px);
  background: rgb(251 251 250 / 68%);
  border-radius: 14px;
  box-shadow: 0 6px 8px rgb(32 35 37 / 5%);
}
.inquiry-form h2 { margin-bottom: 32px; font-size: 30px; }
.form-honey { position: absolute !important; left: -9999px !important; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 24px; }
.form-field { min-width: 0; }
.form-field--wide { grid-column: 1 / -1; }
.form-field label {
  display: block;
  margin-bottom: 8px;
  color: #2d3032;
  font-size: 14px;
  font-weight: 620;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 8px 2px;
  border: 0;
  border-bottom: 1px solid rgb(23 24 25 / 34%);
  border-radius: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 16px;
  transition: border-color .2s ease;
}
.form-field textarea { min-height: 100px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--red); }
.form-field textarea::placeholder { color: #62666a; opacity: 1; }
.form-actions { margin-top: 28px; display: flex; align-items: center; gap: 20px; }
.submit-button {
  min-width: 148px;
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  color: #fbfbfa;
  background: #171819;
  font-size: 14px;
  font-weight: 630;
  cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s ease;
}
.submit-button:hover { background: #2a2c2e; transform: translateY(-1px); }
.submit-button:active { transform: translateY(0); }
.submit-button:disabled { cursor: wait; opacity: .62; }
.form-status { min-height: 22px; margin: 0; color: var(--body); font-size: 13.5px; line-height: 1.5; }
.form-status.is-success { color: #1f6a42; }
.form-status.is-error { color: #a01919; }

.empty-grid {
  min-height: 480px;
  grid-template-columns: minmax(0, .75fr) minmax(360px, 1.25fr);
  align-items: center;
}
.empty-grid h2 { margin: 0; font-size: var(--section-title); line-height: 1.02; letter-spacing: -.035em; }
.empty-message { max-width: 620px; }
.empty-message p { margin: 0; color: var(--body); font-size: var(--body-lg); line-height: 1.58; }
.text-link { display: inline-block; margin-top: 26px; padding-bottom: 5px; border-bottom: 2px solid var(--red); font-size: 15px; font-weight: 620; }

site-footer { display: block; }
.sub-footer {
  background: #fafafa;
  color: #25282b;
}
.sub-footer__inner {
  width: min(var(--max), calc(100% - 96px));
  min-height: 196px;
  margin: 0 auto;
  padding: 28px 0 18px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 20px;
}
.sub-footer__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}
.footer-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.footer-column--rating { align-items: flex-start; }
.footer-column--social { align-items: center; }
.footer-heading {
  color: #25282b;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 590;
}
.footer-column p {
  margin: 0;
  color: #62666a;
  font-size: 14px;
  line-height: 1.3;
}
.footer-stars {
  height: 23px;
  color: var(--red);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 2px;
}
.footer-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.footer-socials a {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #25282b;
  transition: color .24s var(--ease), transform .24s var(--ease);
}
.footer-socials a:hover {
  color: var(--red);
  transform: translateY(-3px);
}
.footer-socials svg {
  width: 28px;
  height: 28px;
  display: block;
  fill: currentColor;
}
.footer-slogan {
  justify-self: end;
  margin: 0;
  color: #36393c;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(23px, 1.8vw, 28px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.025em;
  text-align: center;
}
.sub-footer__legal {
  padding-top: 15px;
  border-top: 1px solid rgb(23 24 25 / 13%);
}
.sub-footer__legal p {
  margin: 0;
  color: #6a6e72;
  font-size: 12.5px;
  line-height: 1.35;
}

@keyframes hero-in { from { opacity: 0; transform: translate3d(0, 10px, 0); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .page-hero__copy { animation: hero-in .46s var(--ease) both; }
}

@media (max-width: 1380px) {
  .sub-header__inner { padding-inline: 28px; }
  .editorial-grid--about {
    width: calc(100% - 56px);
    padding-inline: 0;
    grid-template-columns: minmax(360px, 465px) minmax(0, 780px);
  }
  .editorial-grid--about .editorial-media--portrait { max-width: 465px; }
  .editorial-grid--customization {
    width: calc(100% - 56px);
    grid-template-columns: minmax(0, 1fr) minmax(480px, 520px);
    gap: 48px;
  }
  .editorial-grid--certifications {
    width: calc(100% - 56px);
    grid-template-columns: minmax(0, 1fr) minmax(480px, 520px);
    gap: 48px;
  }
  .sub-brand img { width: 58px; height: 58px; }
  .sub-brand { font-size: 20px; }
  .sub-nav { gap: 18px; }
  .sub-nav a { font-size: 15px; }
}

@media (max-width: 1200px) {
  .contact-grid { grid-template-columns: 1fr; gap: 58px; }
  .contact-grid--editorial {
    width: calc(100% - 56px);
    max-width: 760px;
    padding: 48px 0 72px;
  }
  .contact-grid--editorial .contact-copy h2 { white-space: normal; }
}

@media (max-width: 1100px) {
  .page-hero__inner { height: auto; min-height: 0; }
  .page-hero__summary { white-space: normal; }
  .editorial-grid--about {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .editorial-grid--about .editorial-media--portrait { width: min(100%, 580px); }
  .editorial-grid--customization {
    width: calc(100% - 48px);
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .editorial-copy--customization {
    grid-column: 1;
    grid-row: 1;
  }
  .editorial-copy--customization h2 { white-space: normal; }
  .editorial-grid--customization .customization-gallery {
    grid-column: 1;
    grid-row: 2;
    width: min(100%, 760px);
    justify-self: start;
    grid-template-rows: none;
  }
  .editorial-grid--customization .customization-gallery img {
    height: auto;
    aspect-ratio: 4 / 3;
  }
  .editorial-grid--certifications {
    width: calc(100% - 48px);
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .editorial-copy--certifications {
    grid-column: 1;
    grid-row: 1;
  }
  .editorial-copy--certifications h2 { white-space: normal; }
  .editorial-grid--certifications .certification-gallery {
    grid-column: 1;
    grid-row: 2;
    width: min(100%, 700px);
    justify-self: start;
  }
}

@media (max-width: 980px) {
  :root { --header-height: 76px; }
  .sub-header__inner { padding-inline: 22px; }
  .sub-brand img { width: 50px; height: 50px; }
  .sub-brand { gap: 12px; font-size: 18px; }
  .desktop-nav { display: none; }
  .sub-menu-button {
    position: relative;
    z-index: 65;
    margin-left: auto;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 0;
    display: grid;
    place-content: center;
    color: #fbfbfa;
    background: #1d1f20;
    border-radius: 999px;
    cursor: pointer;
  }
  .sub-menu-button span,
  .sub-menu-button span::before,
  .sub-menu-button span::after {
    width: 18px;
    height: 1.5px;
    display: block;
    content: "";
    background: currentColor;
    transition: transform .24s ease;
  }
  .sub-menu-button span { position: relative; }
  .sub-menu-button span::before { position: absolute; top: -6px; }
  .sub-menu-button span::after { position: absolute; top: 6px; }
  .sub-menu-button[aria-expanded="true"] span { background: transparent; }
  .sub-menu-button[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
  .sub-menu-button[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
  .sub-mobile-nav {
    position: fixed;
    z-index: 45;
    inset: var(--header-height) 0 auto;
    padding: 14px 24px 24px;
    display: block;
    border-bottom: 1px solid var(--line);
    background: rgb(251 251 250 / 98%);
    transform: translateY(-120%);
    transition: transform .28s var(--ease);
  }
  .sub-mobile-nav.is-open { transform: translateY(0); }
  .sub-mobile-nav nav { display: grid; }
  .sub-mobile-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .sub-mobile-nav a.is-active { color: var(--red); }
  .page-hero__inner,
  .editorial-grid,
  .contact-grid,
  .empty-grid,
  .sub-footer__inner { width: calc(100% - 48px); }
  .editorial-grid,
  .contact-grid,
  .empty-grid { grid-template-columns: 1fr; gap: 52px; }
  .editorial-grid--media-right { grid-template-columns: 1fr; }
  .editorial-grid--media-right .editorial-media { width: min(100%, 700px); margin-top: 0; justify-self: start; }
  .certification-gallery { width: min(100%, 700px); margin-top: 0; justify-self: start; }
  .editorial-media { width: min(100%, 520px); }
  .editorial-grid--about { width: calc(100% - 48px); padding-inline: 0; }
  .editorial-grid--about .editorial-media--portrait { width: min(100%, 580px); }
  .editorial-copy, .contact-copy { padding-top: 0; }
  .contact-grid { gap: 58px; }
  .empty-grid { align-items: start; }
  .sub-footer__columns { gap: 28px; }
}

@media (max-width: 640px) {
  :root { --display: clamp(48px, 14vw, 64px); --section-title: 40px; --body-lg: 16px; }
  .sub-header__inner { padding-inline: 16px; }
  .sub-brand { gap: 10px; font-size: 16px; }
  .sub-brand img { width: 44px; height: 44px; }
  .sub-menu-button { width: 42px; height: 42px; }
  .page-hero__inner,
  .editorial-grid,
  .contact-grid,
  .empty-grid,
  .sub-footer__inner { width: calc(100% - 36px); }
  .page-hero__inner { padding: 30px 0 28px; }
  .page-hero__summary { max-width: 100%; margin-top: 18px; }
  .editorial-grid,
  .contact-grid,
  .empty-grid { padding: 54px 0 70px; gap: 44px; }
  .editorial-grid--about {
    width: calc(100% - 36px);
    padding: 48px 0 72px;
    gap: 40px;
  }
  .editorial-grid--customization {
    width: calc(100% - 36px);
    padding: 48px 0 72px;
    gap: 40px;
  }
  .editorial-grid--certifications {
    width: calc(100% - 36px);
    padding: 48px 0 72px;
    gap: 40px;
  }
  .editorial-grid--customization .customization-gallery {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .editorial-copy--about h2 { font-size: clamp(40px, 12vw, 52px); }
  .editorial-copy--customization h2 {
    font-size: clamp(16px, 5vw, 27px);
    white-space: nowrap;
  }
  .editorial-copy--certifications h2 {
    font-size: clamp(16px, 5vw, 27px);
    white-space: nowrap;
  }
  .detail-block--about > h3 { font-size: clamp(28px, 8vw, 36px); }
  .detail-grid, .contact-channels, .form-grid { grid-template-columns: 1fr; }
  .certification-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .certification-card { min-height: 220px; }
  .editorial-grid--certifications .certification-gallery {
    overflow: hidden;
  }
  .editorial-grid--certifications .certification-card {
    min-height: 190px;
    overflow: hidden;
    isolation: isolate;
    contain: paint;
    box-shadow: none;
  }
  .editorial-grid--certifications .certification-mark {
    overflow: hidden;
  }
  .detail-block--customization .detail-item:last-child { grid-column: auto; }
  .detail-block--certifications .detail-item:last-child { grid-column: auto; }
  .detail-item { padding: 18px 0 20px; }
  .contact-grid { gap: 48px; }
  .contact-channel { grid-template-columns: 38px 1fr; }
  .inquiry-form { padding: 30px 22px; }
  .contact-grid--editorial {
    width: calc(100% - 36px);
    padding: 48px 0 72px;
    gap: 40px;
  }
  .contact-grid--editorial .contact-copy h2 {
    font-size: clamp(15px, 4.8vw, 27px);
    white-space: nowrap;
  }
  .contact-grid--editorial .contact-copy .editorial-copy__body > p {
    margin-top: 18px;
    font-size: 16px;
  }
  .contact-grid--editorial .inquiry-form { padding: 30px 22px; }
  .form-field--wide { grid-column: auto; }
  .form-actions { align-items: stretch; flex-direction: column; }
  .submit-button { width: 100%; }
  .empty-grid { min-height: 420px; }
  .sub-footer__inner {
    min-height: 0;
    padding: 34px 0 22px;
    gap: 28px;
  }
  .sub-footer__columns {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-column,
  .footer-column--rating,
  .footer-column--social {
    align-items: center;
    text-align: center;
  }
  .footer-slogan { justify-self: center; }
  .sub-footer__legal { padding-top: 18px; text-align: center; }
}

/*
 * Shared page entrance
 * Keeps the header, silver surface and footer immediately stable while the
 * primary content establishes hierarchy with one restrained motion language.
 */
@keyframes bte-content-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 12px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .bte-subpage .editorial-media,
  .bte-subpage .customization-gallery,
  .bte-subpage .certification-gallery,
  .bte-subpage .editorial-copy > h2,
  .bte-subpage .editorial-copy__body,
  .bte-subpage .detail-block > h3,
  .bte-subpage .detail-item,
  .bte-subpage .contact-copy > h2,
  .bte-subpage .contact-copy .editorial-copy__body,
  .bte-subpage .contact-channels,
  .bte-subpage .address-panel,
  .bte-subpage .inquiry-form {
    animation: bte-content-enter 560ms var(--ease) both;
  }

  .bte-subpage .editorial-media {
    animation-delay: 40ms;
  }

  .bte-subpage .customization-gallery,
  .bte-subpage .certification-gallery {
    animation-delay: 40ms;
  }

  .bte-subpage .editorial-copy > h2,
  .bte-subpage .contact-copy > h2 {
    animation-delay: 90ms;
  }

  .bte-subpage .editorial-copy__body,
  .bte-subpage .contact-copy .editorial-copy__body,
  .bte-subpage .inquiry-form {
    animation-delay: 150ms;
  }

  .bte-subpage .detail-block > h3,
  .bte-subpage .contact-channels {
    animation-delay: 210ms;
  }

  .bte-subpage .detail-item:nth-child(1),
  .bte-subpage .address-panel {
    animation-delay: 260ms;
  }

  .bte-subpage .detail-item:nth-child(2) {
    animation-delay: 305ms;
  }

  .bte-subpage .detail-item:nth-child(3) {
    animation-delay: 350ms;
  }

  .bte-subpage .detail-item:nth-child(4) {
    animation-delay: 395ms;
  }

  .bte-subpage .detail-item:nth-child(n + 5) {
    animation-delay: 440ms;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
}