/* Tefra Audio Bootstrap 5 presentation site */
:root {
  --tefra-bg: #090909;
  --tefra-bg-2: #101010;
  --tefra-panel: #151515;
  --tefra-panel-2: #1b1b1b;
  --tefra-line: rgba(255,255,255,.11);
  --tefra-text: #f3f3f0;
  --tefra-muted: #a6a6a1;
  --tefra-accent: #f4a13e;
  --tefra-accent-2: #ffbd67;

  /* Keep Bootstrap radii strictly between 3px and 10px. */
  --bs-border-radius-sm: 4px;
  --bs-border-radius: 6px;
  --bs-border-radius-lg: 8px;
  --bs-border-radius-xl: 10px;
  --bs-border-radius-xxl: 10px;
  --bs-border-radius-2xl: 10px;
  --bs-border-radius-pill: 10px;

  --bs-body-bg: var(--tefra-bg);
  --bs-body-color: var(--tefra-text);
  --bs-primary: var(--tefra-accent);
  --bs-primary-rgb: 244, 161, 62;
  --bs-dark-rgb: 9,9,9;
}

html { scroll-behavior: smooth; }

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--tefra-bg);
  color: var(--tefra-text);
  overflow-x: hidden;
}

::selection {
  background: var(--tefra-accent);
  color: #121212;
}

a { color: inherit; }

img { user-select: none; }

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: .018;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.7) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.6) 0 1px, transparent 1px 4px);
  mix-blend-mode: screen;
}

.navbar {
  min-height: 74px;
  background: rgba(7,7,7,.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background .25s ease, border-color .25s ease;
}

.navbar.is-scrolled {
  background: rgba(7,7,7,.94);
  border-bottom-color: var(--tefra-line);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  letter-spacing: .08em;
}

.brand-lockup .brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--tefra-accent);
}

.brand-lockup svg { width: 100%; height: 100%; }

.brand-lockup strong {
  display: block;
  font-size: 1rem;
  line-height: 1;
  color: #fff;
}

.brand-lockup small {
  display: block;
  margin-top: .24rem;
  font-size: .58rem;
  line-height: 1;
  letter-spacing: .32em;
  color: var(--tefra-accent);
}

.navbar .nav-link {
  color: #bcbcb7;
  font-size: .9rem;
  padding-inline: .8rem !important;
}

.navbar .nav-link:hover,
.navbar .nav-link.active { color: #fff; }

.btn {
  border-radius: 6px;
  font-weight: 650;
  letter-spacing: .01em;
}

.btn-lg { border-radius: 8px; }

.btn-accent {
  --bs-btn-color: #111;
  --bs-btn-bg: var(--tefra-accent);
  --bs-btn-border-color: var(--tefra-accent);
  --bs-btn-hover-color: #111;
  --bs-btn-hover-bg: var(--tefra-accent-2);
  --bs-btn-hover-border-color: var(--tefra-accent-2);
  --bs-btn-active-color: #111;
  --bs-btn-active-bg: var(--tefra-accent-2);
  --bs-btn-active-border-color: var(--tefra-accent-2);
  box-shadow: 0 14px 36px rgba(244,161,62,.14);
}

.section {
  padding: 110px 0;
  position: relative;
}

.section-soft {
  background: linear-gradient(180deg, #0f0f0f 0%, #121212 100%);
  border-block: 1px solid rgba(255,255,255,.055);
}

.hero-section {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(circle at 74% 48%, rgba(244,161,62,.08), transparent 25%),
    linear-gradient(115deg, #090909 0%, #090909 48%, #111 100%);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .11;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to right, transparent, black 52%, black 100%);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--tefra-accent);
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .18em;
}

.hero-title,
.section-title {
  text-wrap: balance;
  letter-spacing: -.04em;
}

.hero-title {
  max-width: 820px;
  font-weight: 760;
  line-height: .96;
}

.hero-title span { color: #c8c8c2; }

.hero-copy,
.section-lead,
.body-copy {
  color: var(--tefra-muted);
  line-height: 1.75;
}

.hero-copy {
  max-width: 660px;
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.section-title {
  max-width: 850px;
  margin-bottom: 0;
  font-weight: 720;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1.02;
}

.section-lead {
  font-size: 1.05rem;
  margin-bottom: 0;
}

.micro-note {
  color: #777873;
  font-size: .78rem;
  line-height: 1.5;
}

.hero-kpis .kpi-card {
  min-height: 102px;
  padding: 1rem;
  border: 1px solid var(--tefra-line);
  border-radius: 7px;
  background: rgba(255,255,255,.025);
}

.kpi-card strong {
  display: block;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1.1;
}

.kpi-card span {
  display: block;
  margin-top: .5rem;
  color: #8f8f89;
  font-size: .72rem;
  line-height: 1.25;
}

.hero-product-wrap {
  min-height: 620px;
  position: relative;
  display: grid;
  place-items: center;
}

.product-glow {
  position: absolute;
  width: 72%;
  height: 72%;
  background: radial-gradient(circle, rgba(244,161,62,.16), transparent 65%);
  filter: blur(12px);
}

.hero-product {
  position: relative;
  z-index: 2;
  width: min(100%, 650px);
  object-fit: contain;
  filter: drop-shadow(0 42px 65px rgba(0,0,0,.7));
  animation: productFloat 7s ease-in-out infinite;
}

@keyframes productFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-dimension {
  position: absolute;
  z-index: 3;
  min-width: 128px;
  padding: .8rem .9rem;
  border: 1px solid rgba(244,161,62,.38);
  border-radius: 6px;
  background: rgba(12,12,12,.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 36px rgba(0,0,0,.26);
}

.hero-dimension span {
  display: block;
  color: var(--tefra-accent);
  font-size: 1.05rem;
  font-weight: 800;
}

.hero-dimension small {
  display: block;
  color: #96968f;
  font-size: .68rem;
}

.hero-dimension-a { top: 27%; left: 2%; }
.hero-dimension-b { right: 2%; bottom: 22%; }

.feature-card,
.model-card,
.case-card,
.process-card {
  border: 1px solid var(--tefra-line);
  border-radius: 7px;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.014));
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.feature-card:hover,
.model-card:hover,
.case-card:hover,
.process-card:hover {
  transform: translateY(-4px);
  border-color: rgba(244,161,62,.35);
  background: linear-gradient(180deg, rgba(244,161,62,.055), rgba(255,255,255,.016));
}

.feature-card { padding: 1.45rem; min-height: 190px; }

.feature-card > span,
.model-card-head > span {
  color: var(--tefra-accent);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.feature-card h3 {
  margin: 2.4rem 0 .75rem;
  font-size: 1.2rem;
}

.feature-card p,
.model-card p,
.case-card p,
.process-card p {
  color: #92928c;
  font-size: .9rem;
  line-height: 1.62;
}

.feature-card-accent {
  background:
    linear-gradient(115deg, rgba(244,161,62,.14), rgba(255,255,255,.025));
}

.feature-card-accent h3 {
  max-width: 560px;
  margin-top: .8rem;
  font-size: 1.55rem;
}

.viewer-section {
  background:
    radial-gradient(circle at 70% 40%, rgba(244,161,62,.07), transparent 32%),
    #090909;
}

.spec-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 7px;
  background: var(--tefra-line);
}

.spec-mini-grid > div {
  min-height: 104px;
  padding: 1rem;
  background: #0d0d0d;
}

.spec-mini-grid strong {
  display: block;
  font-size: 1.15rem;
}

.spec-mini-grid span {
  display: block;
  margin-top: .45rem;
  color: #81817c;
  font-size: .75rem;
}

.viewer-shell {
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  background: #0d0d0d;
  box-shadow: 0 40px 100px rgba(0,0,0,.32);
}

.viewer-stage {
  position: relative;
  min-height: 620px;
  background:
    radial-gradient(circle at 50% 45%, rgba(255,255,255,.055), transparent 42%),
    linear-gradient(180deg, #101010, #090909);
}

#productCanvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#productCanvas:active { cursor: grabbing; }

#viewerFallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 7%;
  opacity: .82;
  transition: opacity .4s ease;
}

.viewer-stage.is-ready #viewerFallback { opacity: 0; }

.viewer-loading {
  position: absolute;
  z-index: 5;
  left: 1.2rem;
  right: 1.2rem;
  bottom: 1.2rem;
  padding: .8rem .9rem;
  border: 1px solid var(--tefra-line);
  border-radius: 6px;
  background: rgba(6,6,6,.78);
  backdrop-filter: blur(12px);
  transition: opacity .35s ease;
}

.viewer-loading.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.viewer-loading-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .5rem;
  color: #babbb5;
  font-size: .74rem;
}

.progress {
  height: 5px;
  border-radius: 5px;
  background: #272727;
}

.progress-bar { background: var(--tefra-accent); }

.viewer-hint {
  position: absolute;
  z-index: 4;
  right: 1rem;
  top: 1rem;
  padding: .55rem .7rem;
  border: 1px solid var(--tefra-line);
  border-radius: 5px;
  background: rgba(8,8,8,.62);
  color: #878781;
  font-size: .7rem;
  backdrop-filter: blur(10px);
}

.viewer-toolbar {
  padding: .85rem;
  border-top: 1px solid var(--tefra-line);
  background: #101010;
}

.technology-visual {
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  background: #0a0a0a;
}

.technology-visual svg { width: 100%; height: auto; display: block; }

.svg-panel { fill: #0c0c0c; stroke: rgba(255,255,255,.09); }
.svg-title { fill: #e8e8e4; font: 700 17px Inter, sans-serif; letter-spacing: .08em; }
.svg-caption { fill: #777a74; font: 600 15px Inter, sans-serif; }
.cone-shape { fill: #202020; stroke: #70706c; stroke-width: 2; }
.cone-center { fill: #373737; stroke: #a4a49f; stroke-width: 2; }
.sound-wave { fill: none; stroke: var(--tefra-accent); stroke-width: 4; }
.sound-wave.muted { opacity: .42; stroke-width: 2; }
.membrane { fill: #181818; stroke: #5b5b57; stroke-width: 2; }
.membrane-wave { fill: none; stroke: var(--tefra-accent); stroke-width: 4; stroke-linecap: round; }

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

.tech-row {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--tefra-line);
}

.tech-row b {
  color: var(--tefra-accent);
  font-size: .74rem;
}

.tech-row h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
}

.tech-row p {
  margin: 0;
  color: #83837e;
  font-size: .86rem;
  line-height: 1.6;
}

.model-range-image {
  min-height: 430px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, rgba(244,161,62,.06), transparent 50%),
    #090909;
}

.model-range-image img {
  max-height: 430px;
  object-fit: contain;
}

.model-card { padding: 1.35rem; }

.model-card-featured {
  border-color: rgba(244,161,62,.36);
  background:
    linear-gradient(180deg, rgba(244,161,62,.08), rgba(255,255,255,.015));
}

.model-card-head {
  display: flex;
  gap: 1rem;
  align-items: start;
  min-height: 92px;
}

.model-card-head h3 {
  margin: 0;
  font-size: 1.5rem;
}

.model-card-head p {
  margin-top: .25rem;
  margin-bottom: 0;
}

.model-feature-image {
  height: 210px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 6px;
  background: #080808;
}

.model-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}

.spec-list { margin: 0 0 1rem; }

.spec-list > div {
  display: flex;
  justify-content: space-between;
  gap: 1.4rem;
  padding: .72rem 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.spec-list dt {
  color: #7f7f7a;
  font-size: .78rem;
  font-weight: 500;
}

.spec-list dd {
  margin: 0;
  text-align: right;
  color: #e6e6e2;
  font-size: .8rem;
  font-weight: 650;
}

.mounting-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
}

.mounting-points > div {
  padding: 1rem;
  border: 1px solid var(--tefra-line);
  border-radius: 6px;
  background: #111;
}

.mounting-points strong {
  display: block;
  color: var(--tefra-accent);
  font-size: 1.25rem;
}

.mounting-points span {
  display: block;
  margin-top: .35rem;
  color: #858580;
  font-size: .72rem;
}

.carousel {
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  background: #090909;
}

.carousel-item img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.carousel-control-prev,
.carousel-control-next {
  width: 11%;
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--tefra-line);
  border-radius: 6px;
  background: #0a0a0a;
}

.custom-panel,
.contact-panel {
  padding: clamp(1.5rem, 4vw, 4rem);
  border: 1px solid rgba(244,161,62,.24);
  border-radius: 10px;
  background:
    radial-gradient(circle at 80% 40%, rgba(244,161,62,.11), transparent 30%),
    linear-gradient(135deg, #151515, #0c0c0c);
}

.finish-chip {
  padding: .62rem .8rem;
  border: 1px solid var(--tefra-line);
  border-radius: 6px;
  color: #bebeb9;
  font-size: .78rem;
}

.finish-demo {
  display: grid;
  place-items: center;
  gap: 1.3rem;
}

.finish-speaker {
  --finish: #1a1a1a;
  position: relative;
  width: min(70%, 310px);
  aspect-ratio: .72;
  overflow: hidden;
  border: 7px solid #232323;
  border-radius: 10px;
  background: var(--finish);
  box-shadow: 0 30px 70px rgba(0,0,0,.45);
  transition: background .25s ease;
}

.finish-mesh {
  position: absolute;
  inset: 0;
  opacity: .36;
  background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.48) 1px, transparent 1.4px);
  background-size: 6px 6px;
  mix-blend-mode: soft-light;
}

.finish-logo {
  position: absolute;
  inset: auto 0 38px;
  text-align: center;
  color: rgba(255,255,255,.88);
  font-size: 1.55rem;
  font-weight: 850;
  line-height: .92;
  letter-spacing: .12em;
}

.finish-controls {
  display: flex;
  justify-content: center;
  gap: .6rem;
}

.finish-swatch {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 6px;
  background: var(--sw);
  box-shadow: none;
}

.finish-swatch.active {
  outline: 2px solid var(--tefra-accent);
  outline-offset: 3px;
}

.case-card { padding: 1.5rem; }

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}

.case-meta span {
  padding: .45rem .62rem;
  border: 1px solid var(--tefra-line);
  border-radius: 5px;
  color: #9b9b95;
  font-size: .68rem;
}

.case-card h3 {
  max-width: 640px;
  margin-bottom: 1rem;
  font-size: 1.35rem;
  line-height: 1.35;
}

.case-card a {
  color: var(--tefra-accent);
  text-decoration: none;
  font-size: .84rem;
  font-weight: 700;
}

.case-card a:hover { color: var(--tefra-accent-2); }

.company-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--tefra-line);
  gap: 1px;
}

.company-stat {
  min-height: 160px;
  padding: 1.2rem;
  background: #0e0e0e;
}

.company-stat strong {
  display: block;
  color: var(--tefra-accent);
  font-size: 1.9rem;
  letter-spacing: -.04em;
}

.company-stat span {
  display: block;
  max-width: 220px;
  margin-top: 1.2rem;
  color: #858580;
  font-size: .78rem;
  line-height: 1.45;
}

.distributors {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 1px;
  margin-top: 1rem;
  border: 1px solid var(--tefra-line);
  border-radius: 7px;
  overflow: hidden;
  background: var(--tefra-line);
}

.distributors > * {
  padding: .75rem;
  background: #0f0f0f;
  color: #bebeb8;
  font-size: .72rem;
}

.distributors > span { color: #777772; }

.process-card {
  min-height: 250px;
  padding: 1.35rem;
}

.process-card b {
  color: var(--tefra-accent);
  font-size: .75rem;
}

.process-card h3 {
  margin: 4.2rem 0 .8rem;
  font-size: 1.16rem;
}

.contact-section {
  background:
    radial-gradient(circle at 20% 40%, rgba(244,161,62,.08), transparent 27%),
    #090909;
}

.contact-details {
  display: grid;
  gap: 1px;
  margin-top: 2rem;
  overflow: hidden;
  border: 1px solid var(--tefra-line);
  border-radius: 7px;
  background: var(--tefra-line);
}

.contact-details > * {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .9rem 1rem;
  background: #0f0f0f;
  text-decoration: none;
}

.contact-details > a:hover { background: #151515; }

.contact-details span {
  color: #777772;
  font-size: .74rem;
}

.contact-details strong {
  color: #e7e7e1;
  font-size: .79rem;
  font-weight: 650;
}

.proposal-form {
  padding: 1.3rem;
  border: 1px solid var(--tefra-line);
  border-radius: 8px;
  background: rgba(0,0,0,.28);
}

.form-label {
  color: #a6a6a0;
  font-size: .78rem;
  font-weight: 650;
}

.form-control {
  min-height: 48px;
  border-color: rgba(255,255,255,.12);
  border-radius: 6px;
  background: #101010;
  color: #f3f3ef;
}

textarea.form-control { min-height: 130px; }

.form-control:focus {
  border-color: rgba(244,161,62,.72);
  background: #111;
  color: #fff;
  box-shadow: 0 0 0 .2rem rgba(244,161,62,.09);
}

.form-control::placeholder { color: #52524f; }

.site-footer {
  padding: 1.4rem 0;
  border-top: 1px solid var(--tefra-line);
  color: #686863;
  font-size: .72rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-product { animation: none; }
}

@media (max-width: 1199.98px) {
  .hero-product-wrap { min-height: 520px; }
  .viewer-stage { min-height: 540px; }
  .distributors { grid-template-columns: repeat(2, 1fr); }
  .distributors > span { grid-column: 1 / -1; }
}

@media (max-width: 991.98px) {
  .section { padding: 84px 0; }

  .navbar-collapse {
    margin-top: .75rem;
    padding: 1rem;
    border: 1px solid var(--tefra-line);
    border-radius: 8px;
    background: #101010;
  }

  .hero-product-wrap { min-height: 440px; }

  .viewer-stage { min-height: 520px; }

  .hero-dimension-a { left: 4%; top: 22%; }
  .hero-dimension-b { right: 4%; bottom: 18%; }
}

@media (max-width: 767.98px) {
  .hero-title { font-size: clamp(3.05rem, 15vw, 5.7rem); }

  .hero-product-wrap { min-height: 390px; }

  .hero-dimension {
    min-width: 110px;
    padding: .65rem .7rem;
  }

  .viewer-stage { min-height: 470px; }
  .viewer-hint { display: none; }

  .mounting-points { grid-template-columns: 1fr; }

  .company-stats { grid-template-columns: 1fr; }

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

  .contact-details > * {
    flex-direction: column;
    gap: .3rem;
  }
}

@media (max-width: 575.98px) {
  .section { padding: 68px 0; }
  .hero-section .min-vh-100 { min-height: auto !important; }

  .hero-product-wrap { min-height: 340px; }

  .hero-dimension { display: none; }

  .viewer-stage { min-height: 420px; }

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

  .model-range-image { min-height: 300px; }

  .finish-speaker { width: 82%; }

  .distributors { grid-template-columns: 1fr; }
}
/* Revision 2: local galleries and CAD assembly explorer. */
:root { --swiper-theme-color:var(--tefra-accent); }
section[id] { scroll-margin-top: 105px; }
.brand-logo{width:48px;height:57px;object-fit:contain;display:block}
.navbar .nav-link{position:relative;font-size:14px;padding-top:18px;padding-bottom:18px}
.navbar .nav-link::after{content:"";position:absolute;left:8px;right:8px;bottom:9px;height:2px;background:var(--tefra-accent);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;border-radius:3px}
.navbar .nav-link:hover::after,.navbar .nav-link.active::after{transform:scaleX(1)}
.navbar .nav-link.active{color:var(--tefra-accent)}
.navbar .btn{font-size:14px}
:focus-visible{outline:2px solid var(--tefra-accent)!important;outline-offset:4px}
.viewer-heading{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:32px}
.viewer-heading .section-title{margin-bottom:0}
.viewer-heading .section-lead{max-width:390px;margin-bottom:0}
.explorer{display:grid;grid-template-columns:minmax(0,1fr) 305px;background:#151515}
.explorer-main{min-width:0;background:#e5e7e9}
.stage-topline{height:57px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;font-size:14px;font-weight:650;letter-spacing:.05em;color:#20252b;background:#e9ebed}
.stage-subtitle{font-size:12px;color:#727980;margin-left:8px;font-weight:400}
#assemblyStatus{font-size:12px;font-weight:400;letter-spacing:0;color:#505a63;text-align:right}
.explorer .viewer-stage{min-height:0;height:510px;background:radial-gradient(ellipse at 50% 42%,#fff 0%,#edf0f2 52%,#d7dde2 100%)}
.explorer .viewer-hint{display:block;top:auto;bottom:14px;right:0;left:0;text-align:center;background:none;border:0;backdrop-filter:none;color:#5a626a;font-size:12px;padding:0;pointer-events:none}
.explorer .viewer-toolbar{display:flex;gap:12px;align-items:center;padding:12px 20px;background:#e9ebed;border-top:1px solid #cbd0d5}
.camera-controls{display:flex;gap:3px;background:#d8dde1;padding:4px;border-radius:6px;margin-right:auto}
.camera-controls button,.viewer-action{border:0;background:transparent;color:#46505a;font-size:13px;padding:7px 10px;border-radius:4px;white-space:nowrap;transition:background .2s,color .2s}
.camera-controls button.active,.camera-controls button:hover{background:white;color:#151a20;box-shadow:0 2px 5px #0001}
.viewer-action:hover,.viewer-action.active{background:#d7dde2;color:#13171c}
.explode-panel{padding:18px 24px 16px;background:#f7f8f9;color:#30363c}
.explode-label{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;margin-bottom:8px}
#explodeValue{font-variant-numeric:tabular-nums;font-weight:400;color:#66717b}
#explodeRange{appearance:none;width:100%;height:5px;background:#cdd3d8;border-radius:4px;cursor:pointer;margin:12px 0 15px;accent-color:#b7782a}
#explodeRange::-webkit-slider-thumb{appearance:none;width:18px;height:23px;background:#24292e;border:3px solid #fff;border-radius:5px;box-shadow:0 2px 7px #0004}
#explodeRange::-moz-range-thumb{width:13px;height:18px;background:#24292e;border:3px solid white;border-radius:5px}
.explode-actions{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#68727b;gap:8px}
.explode-actions button{border:0;background:none;padding:4px 0;color:#303941;font-size:13px;border-radius:3px}
.explode-actions button:hover{text-decoration:underline}
.parts-panel{padding:24px 22px;display:flex;flex-direction:column;min-width:0;border-left:1px solid #ffffff14}
.parts-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px;gap:8px}
.parts-header .eyebrow{font-size:11px;margin:0;letter-spacing:.1em}
#partsCount{font-size:12px;color:#8c9196;white-space:nowrap}
.part-list{display:flex;flex-direction:column;gap:4px}
.part-button{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid transparent;background:transparent;border-radius:5px;padding:11px 8px;color:#bbc0c5;font-size:13px;transition:background .2s,border-color .2s,color .2s}
.part-button:hover{background:#ffffff08;color:white}
.part-button.active{border-color:#bc883e77;background:#f4a13e12;color:#ffbd67}
.part-number{font-size:11px;color:#737b82;font-variant-numeric:tabular-nums}
.part-quantity{margin-left:auto;font-size:11px;color:#777f86}
.part-detail{border-top:1px solid #ffffff12;margin-top:23px;padding-top:22px;min-height:220px}
#partLabel{font-size:10px;letter-spacing:.16em;color:#9b8a70}
.part-detail h3{font-size:21px;margin:10px 0 12px}
.part-detail p{font-size:14px;line-height:1.6;color:#a6aeb5;min-height:92px}
.part-detail .btn{font-size:12px;padding:9px}
.viewer-specs{margin-top:auto;padding-top:22px;display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#818b94}
.viewer-specs b{display:block;color:#c3c9ce;font-size:15px;font-weight:500;margin-bottom:4px}
.part-tooltip{position:absolute;z-index:6;pointer-events:none;background:#111e;color:#fff;font-size:12px;padding:7px 10px;border-radius:5px;box-shadow:0 5px 20px #0002}
.photo-swiper{width:100%;min-width:0;border-radius:6px;overflow:hidden}
.gallery-link{display:block;position:relative;width:100%;overflow:hidden;background:#e6e8ea;border-radius:5px;cursor:zoom-in}
.gallery-link img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .4s}
.gallery-link:hover img{transform:scale(1.025)}
.zoom-label{position:absolute;right:12px;bottom:12px;background:#171a1ed9;width:29px;height:29px;border:1px solid #ffffff24;display:grid;place-items:center;border-radius:5px;font-size:20px;line-height:1;color:white}
.product-gallery{margin:0 0 20px}
.product-gallery .gallery-link{height:290px;background:radial-gradient(ellipse,#f9fafb,#d4d9dd)}
.product-gallery img{padding:18px}
.gallery-controls{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 0 4px}
.gallery-controls button{border:1px solid #ffffff20;background:#ffffff05;border-radius:5px;width:36px;height:32px;color:#d2d6d9;font-size:20px;line-height:1;flex-shrink:0;transition:background .2s}
.gallery-controls button:hover{background:#ffffff12}
.gallery-controls .swiper-pagination{position:static;width:auto;flex:1;line-height:1}
.swiper-pagination-bullet{background:#9c9fa2;border-radius:3px;width:18px;height:3px;opacity:.4;transition:width .25s,opacity .25s}
.swiper-pagination-bullet-active{background:var(--tefra-accent);width:32px;opacity:1}
.gallery-controls button.swiper-button-disabled{opacity:.25}
.mount-gallery .gallery-link{height:470px;background:#edf0f2}
.mount-gallery img{padding:12px}
.case-gallery{margin-bottom:25px}
.case-gallery .gallery-link{height:295px;background:#111}
.case-gallery .gallery-link img{object-fit:contain}
.case-card h3{font-size:1.25rem;line-height:1.4}
.alrosa-case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center}
.alrosa-case .case-gallery{margin:0}
.testimonials-swiper{border:1px solid var(--tefra-line);border-radius:8px;background:linear-gradient(130deg,#1d1d1d,#111);padding:32px}
.testimonial-card{display:grid;grid-template-columns:38% minmax(0,1fr);gap:40px;align-items:center;height:auto}
.artist-photo{display:block;height:365px;border-radius:6px;overflow:hidden;background:#272a2c;cursor:zoom-in}
.artist-photo img{width:100%;height:100%;object-fit:contain}
.testimonial-copy .eyebrow{font-size:12px;margin-bottom:18px}
.testimonial-copy blockquote{font-size:18px;line-height:1.75;font-weight:350;color:#d9dddf;margin-bottom:24px}
.testimonial-copy h3{font-size:19px;margin-bottom:10px}
.review-source{font-size:13px;color:var(--tefra-accent);text-underline-offset:4px}
.testimonials-swiper>.gallery-controls{padding-top:25px}
.finish-gallery .gallery-link{height:280px;background:#242424}
.finish-gallery .gallery-link img{object-fit:contain}
.fancybox__container{--fancybox-bg:rgba(10,12,14,.97);--f-button-border-radius:5px}
.fancybox__content,.fancybox__slide img{border-radius:6px}
.f-button{border-radius:5px!important}
.footer-logo{width:36px;height:auto}
.site-footer .container{align-items:center;font-size:13px}
@media(min-width:1400px){.explorer .viewer-stage{height:565px}.product-gallery .gallery-link{height:330px}}
@media(max-width:1199px){.explorer{grid-template-columns:minmax(0,1fr) 285px}.parts-panel{padding:20px 16px}.explorer .viewer-toolbar{gap:4px;padding:10px}.camera-controls button,.viewer-action{padding:7px;font-size:12px}.navbar .nav-link{font-size:12px}.navbar .btn{font-size:12px}}
@media(max-width:991px){.explorer{grid-template-columns:1fr}.parts-panel{border-left:0;border-top:1px solid #ffffff14}.part-list{display:grid;grid-template-columns:1fr 1fr}.part-detail{min-height:0}.part-detail p{min-height:0}.viewer-specs{justify-content:start;gap:38px}.viewer-heading{display:block}.viewer-heading .section-lead{margin-top:20px;max-width:600px}.testimonial-card{grid-template-columns:32% minmax(0,1fr);gap:24px}.testimonial-copy blockquote{font-size:16px}.navbar .nav-link{font-size:15px;padding:12px 8px}.navbar .nav-link::after{bottom:4px;right:auto;width:35px}.navbar .btn{font-size:14px}.product-gallery .gallery-link{height:380px}}
@media(max-width:575px){.explorer .viewer-stage{height:400px}.stage-topline{padding:0 14px;font-size:12px}.stage-subtitle{font-size:10px;margin-left:3px}.explorer .viewer-toolbar{flex-wrap:wrap;justify-content:space-between}.camera-controls{width:100%;margin-bottom:3px;justify-content:space-between}.camera-controls button{flex:1}.viewer-action{font-size:13px}.explode-panel{padding:17px 16px}.explode-actions span{display:none}.parts-panel{padding:20px 14px}.part-button{font-size:12px;gap:6px;padding:10px 4px}.part-quantity{display:none}.part-detail{margin-top:16px;padding-top:16px}.mount-gallery .gallery-link{height:330px}.product-gallery .gallery-link{height:315px}.case-gallery .gallery-link{height:220px}.testimonial-card{grid-template-columns:1fr;gap:24px}.testimonials-swiper{padding:18px}.artist-photo{height:265px}.testimonial-copy blockquote{font-size:16px}.alrosa-case{grid-template-columns:1fr;gap:24px}.gallery-controls{padding:12px 0}.viewer-hint{font-size:10px!important}.brand-logo{width:42px;height:50px}.finish-gallery .gallery-link{height:320px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}
.page-noise{opacity:.006}
.viewer-heading .section-title{font-size:clamp(2.1rem,4vw,3.5rem);line-height:1.08}
.testimonials-swiper{padding:0}
.testimonial-card{padding:32px;box-sizing:border-box}
.testimonials-swiper>.gallery-controls{padding:0 32px 25px}
@media(max-width:575px){.testimonial-card{padding:18px}.testimonials-swiper>.gallery-controls{padding:0 18px 18px}}
.alrosa-case>div{min-width:0}
@media(max-width:575px){.alrosa-case{grid-template-columns:minmax(0,1fr)}}
@media(max-width:575px){.container>.row.g-5{--bs-gutter-x:1.5rem}}