:root {
  --quat-choice-bg: rgba(255,255,255,.72);
  --quat-choice-hover: rgba(255,255,255,.94);
  --quat-choice-selected: #fffdf2;
  --quat-choice-border: rgba(17,17,17,.1);
  --quat-choice-selected-border: rgba(174,146,0,.34);
  --quat-choice-accent: #d6b200;
  --quat-choice-ring: rgba(214,178,0,.46);
}

/* 2026 visual refinement: precise, warm industrial system. */
:root {
  --quat-canvas: #e9e9e4;
  --quat-surface: #f7f7f3;
  --quat-surface-raised: #fdfdf9;
  --quat-ink: #161714;
  --quat-muted: #62645e;
  --quat-hairline: rgba(22,23,20,.11);
  --quat-signal: #e1bd00;
  --quat-display: "Avenir Next", "Segoe UI Variable Display", "Helvetica Neue", Arial, sans-serif;
  --quat-body: "Avenir Next", "Segoe UI Variable Text", "Helvetica Neue", Arial, sans-serif;
  --quat-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

html { scroll-behavior: smooth; }

.quat-skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 11px 15px;
  border-radius: 8px;
  background: var(--quat-ink);
  color: #fff;
  font: 700 13px/1 var(--quat-body);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform .18s ease;
}
.quat-skip-link:focus { outline: 3px solid var(--quat-signal) !important; transform: translateY(0); }

.quat-site {
  color: var(--quat-ink);
  font-family: var(--quat-body);
}

.quat-header,
.quat-config {
  border-color: rgba(255,255,255,.72);
  background-color: rgba(247,247,243,.95) !important;
}

.quat-header {
  min-height: 88px;
  border-radius: 24px 24px 0 0;
}

.quat-header nav a {
  border-radius: 7px;
  font-weight: 650;
  letter-spacing: -.01em;
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}
.quat-header nav a:hover { transform: translateY(-1px); }

.quat-config {
  border-radius: 0 0 24px 24px;
  box-shadow: 0 36px 90px rgba(35,37,31,.15) !important;
}

.config-head { gap: 20px; }
.config-head .back {
  border: 1px solid var(--quat-hairline);
  background: transparent;
  color: var(--quat-ink);
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease;
}
.config-head .back:hover { background: #fff; transform: translateX(-2px); }
.config-head .eyebrow {
  display: block;
  margin: 4px 0 13px;
  color: #73756e;
  font: 700 9px/1 var(--quat-mono);
  letter-spacing: .16em;
}
.config-head h1 {
  max-width: 9ch;
  margin: 0 0 12px;
  font-family: var(--quat-display);
  font-size: clamp(42px, 4vw, 58px);
  font-weight: 650;
  line-height: .94;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.config-head p:last-child {
  max-width: 42ch;
  color: var(--quat-muted);
  font-size: 14px;
  line-height: 1.55;
  text-wrap: pretty;
}

.config-form legend {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #343630;
  font-size: 12px;
  font-weight: 650;
}
.config-form legend > b {
  width: 23px;
  height: 23px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--quat-hairline);
  border-radius: 6px;
  background: rgba(255,255,255,.58);
  font: 700 9px/1 var(--quat-mono);
}

.choice > span,
.select-wrap select,
.model-search {
  border-color: var(--quat-hairline);
  background: rgba(255,255,255,.68);
  box-shadow: inset 0 1px rgba(255,255,255,.8);
}
.choice > span { border-radius: 8px; }
.choice:hover > span { border-color: rgba(22,23,20,.24); box-shadow: 0 8px 20px rgba(35,37,31,.06); }
.choice input:checked + span {
  border-color: var(--quat-ink);
  background: var(--quat-surface-raised);
  box-shadow: inset 3px 0 0 var(--quat-signal);
}
.type input:checked + span::after { background: var(--quat-ink); }

.buy-zone {
  border-color: rgba(22,23,20,.1);
  border-radius: 14px;
  background: rgba(253,253,249,.88);
  box-shadow: 0 18px 48px rgba(35,37,31,.11), inset 0 1px rgba(255,255,255,.95);
}
.buy-action .buy-price strong { font-family: var(--quat-display); font-variant-numeric: tabular-nums; }
.add-cart {
  border-radius: 9px;
  background: var(--quat-signal);
  box-shadow: 0 10px 24px rgba(128,106,0,.16), inset 0 1px rgba(255,255,255,.5);
}
.add-cart:hover { background: #edc700; }
.add-cart:active { transform: translateY(1px) scale(.985); }

.quat-site :where(a, button, input, select, summary):focus-visible {
  outline: 3px solid rgba(225,189,0,.72) !important;
  outline-offset: 3px !important;
  box-shadow: none !important;
}

@media (max-width: 900px) {
  .quat-header { min-height: 68px; border-radius: 18px 18px 0 0; }
  .quat-logo img { height: 25px !important; max-width: 108px !important; }
  .quat-config { border-radius: 0 0 18px 18px; }
  .config-head { align-items: flex-start; padding: 8px 2px 4px; }
  .config-head .back { margin-top: 28px; }
  .config-head .eyebrow { margin-top: 2px; margin-bottom: 11px; }
  .config-head h1 { max-width: 8ch; font-size: clamp(40px, 12vw, 54px); }
  .config-head p:last-child { max-width: 31ch; font-size: 13px; }
  .config-form { padding-top: 34px; }
  .config-form fieldset { margin-bottom: 30px; }
  .config-form legend { margin-bottom: 12px; }
  .config-form legend > b { display: inline-grid; }
  .choice > span { border-radius: 9px; }
  .buy-zone { border-radius: 14px; }
}

@media (max-width: 420px) {
  .config-head { gap: 12px; }
  .config-head .back { width: 36px; height: 36px; flex-basis: 36px; }
  .config-head h1 { font-size: 42px; }
}

.quat-logo {
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.quat-logo img {
  display: block !important;
  width: auto !important;
  height: 26px !important;
  max-width: 112px !important;
  object-fit: contain !important;
}

.quat-logo-footer img {
  height: 28px !important;
  max-width: 120px !important;
}

.buy-zone {
  left: 34px;
  right: 34px;
  bottom: 24px;
  width: auto;
  min-height: 86px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 12px 18px 12px 14px;
  border: 1px solid rgba(17,17,17,.08);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 16px 42px rgba(17,17,17,.09), inset 0 1px rgba(255,255,255,.96);
  backdrop-filter: blur(22px) saturate(1.08);
}

.buy-zone > div.buy-product {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.buy-thumb-shell {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 12px;
  background: linear-gradient(145deg,#f4f4f1,#fff);
  box-shadow: inset 0 0 0 1px rgba(17,17,17,.035);
}

.buy-thumb {
  width: 48px;
  height: 48px;
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
}

.buy-details { min-width: 0; display: grid; gap: 5px; }
.buy-details > small {
  color: #383936;
  font: 750 9px/1 var(--quat-mono, monospace);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.buy-details > .summary {
  overflow: hidden;
  color: #171817;
  font-size: 12px;
  font-weight: 620;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.buy-meta { display: flex; align-items: center; gap: 8px; color: #696a66; font-size: 10px; font-weight: 520; }
.buy-meta > span { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.buy-meta svg { width: 13px; height: 13px; fill: none; stroke: #31a85b; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.buy-meta i { width: 2px; height: 2px; border-radius: 50%; background: #989994; }

.buy-action { width: auto; gap: 26px; }
.buy-action .buy-price { flex: 0 0 auto; display: grid !important; grid-template-columns: 1fr; justify-items: end; align-items: center; row-gap: 7px; min-width: 72px; white-space: nowrap; }
.buy-action .buy-price del { display: block !important; margin: 0; color: #747a7d; font-size: 11px; font-weight: 650; line-height: 1; text-decoration-thickness: 1px; }
.buy-action .buy-price strong { display: block !important; margin: 0; color: #111; font-size: 29px; font-weight: 650; line-height: .9; letter-spacing: -.04em; }
.buy-zone .add-cart { min-width: 250px; }
.buy-zone .cart-message { right: 18px; top: calc(100% + 7px); margin: 0; }

.product-stage {
  --protector-inset: 3px;
  --protector-radius: 29px;
  --material-line: rgba(255,255,255,.42);
  left: 46%;
  top: 102px;
  width: 37%;
  height: 474px;
  isolation: isolate;
}

/* Let the preview merge with the configurator surface. The source renders use
   slightly different warm studio backgrounds, so each is neutralised to the
   same cool page tone without changing the composition. */
.product-stage > .halo {
  background: none;
  filter: none;
  opacity: 0;
}

.product-stage[data-fit="case"] {
  --protector-inset: 13px;
  --protector-radius: 23px;
}

.product-gallery {
  position: relative;
  z-index: 2;
  width: min(100%, 448px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.product-gallery::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 4.5%;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 22px;
  box-shadow: inset 0 0 0 1px rgba(17,17,17,.018);
  pointer-events: none;
}

.product-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 22px;
  opacity: 0;
  transform: scale(.86);
  transition: opacity .24s ease, transform .42s cubic-bezier(.2,.75,.25,1);
}

.product-photo[data-product-image="clear-auto-repair"] { filter: grayscale(1) brightness(1.022); }
.product-photo[data-product-image="privacy-auto-repair"],
.product-photo[data-product-image="matt-privacy"] { filter: grayscale(1) brightness(1.039); }
.product-photo[data-product-image="matt"],
.product-photo[data-product-image="privacy"] { filter: grayscale(1) brightness(1.043); }

.product-photo.is-active { opacity: 1; transform: scale(.84); }

.material-choice > span > img { display: none; }
.material-choice > span > span { display: flex; flex-direction: column; align-items: flex-start; }
.material-fieldset .type-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.material-fieldset .material-choice { min-width: 0; }
.material-fieldset .material-choice > span { width: 100%; min-height: 54px; }
.material-guide-link { display:inline-flex; align-items:center; gap:7px; margin-top:10px; color:#4f575c; font-size:11px; font-weight:700; text-decoration:none; text-underline-offset:4px; }
.material-guide-link:hover { color:#111; text-decoration:underline; text-decoration-color:#111; }
.material-guide-link span { color:#8a7300; font-size:14px; transition:color .16s ease; }
.material-guide-link:hover span { color:#111; }

.fit-frame {
  --fit-guide: #ffd400;
  position: absolute;
  z-index: 3;
  top: 7.5%;
  right: 29.8%;
  bottom: 7%;
  left: 29.8%;
  border: 0;
  background:
    linear-gradient(var(--fit-guide),var(--fit-guide)) left top/24px 2px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) left top/2px 24px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) right top/24px 2px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) right top/2px 24px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) left bottom/24px 2px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) left bottom/2px 24px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) right bottom/24px 2px no-repeat,
    linear-gradient(var(--fit-guide),var(--fit-guide)) right bottom/2px 24px no-repeat;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.3));
  opacity: 0;
  transform: scale(.96);
  transition: opacity .2s ease, transform .24s ease;
  pointer-events: none;
}

.fit-frame i { display: none; }

.product-stage[data-fit="case"] .fit-frame { opacity: 1; transform: scale(1); }

.stage-readout {
  position: absolute;
  z-index: 5;
  top: 8.8%;
  left: 8.9%;
  width: 35%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: 0;
  color: #111;
  font-family: "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
}

.stage-readout > span {
  display: block;
  min-width: 0;
  height: auto;
  margin-bottom: 18px;
  color: #4d4e4b;
  font-size: 7px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: .14em;
}

.stage-readout div { min-width: 0; display: flex; flex-direction: column; gap: 11px; }
.stage-readout b,
.stage-readout small { max-width: 100%; white-space: normal; overflow-wrap: normal; }
.stage-readout b { font-size: 9px; font-weight: 560; line-height: 1.2; letter-spacing: .14em; }
.stage-readout small { color: #555652; font-size: 6px; font-weight: 650; line-height: 1.35; letter-spacing: .23em; }

.preview-device {
  position: absolute;
  z-index: 5;
  top: 11.5%;
  right: 7.8%;
  width: 20%;
  padding: 0;
  color: #222321;
}
.preview-device span {
  display: block;
  margin-bottom: 10px;
  color: #555652;
  font: 650 6px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .24em;
}
.preview-device b {
  display: block;
  font: 750 11px/1.15 Inter, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -.025em;
  overflow-wrap: anywhere;
}

.phone-shell {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
}

.phone-shell::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -10px;
  border: 7px solid #1c1d1b;
  border-radius: 48px;
  background: linear-gradient(145deg,#3d3e3b,#090a09 45%,#333431);
  box-shadow: 0 20px 34px rgba(0,0,0,.28), inset 0 0 0 1px rgba(255,255,255,.16);
  opacity: 0;
  transform: scale(.96);
  transition: opacity .22s ease, transform .22s ease;
}

.product-stage[data-fit="case"] .phone-shell::before { opacity: 1; transform: scale(1); }

.phone-shell .phone { overflow: hidden; transition: box-shadow .22s ease, transform .22s ease; }
.product-stage[data-fit="case"] .phone-shell .phone { transform: scale(.97); box-shadow: inset 0 0 0 2px #565656, 0 24px 36px rgba(0,0,0,.24); }

.screen-demo {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 9px;
  padding: 0 22px 40px;
  border-radius: inherit;
  color: rgba(255,255,255,.82);
  font-family: "SFMono-Regular", Consolas, monospace;
  transition: filter .22s ease, opacity .22s ease;
}

.screen-demo b { margin-bottom: 4px; font-size: 12px; letter-spacing: .18em; }
.screen-demo span { height: 3px; border-radius: 99px; background: currentColor; opacity: .48; }
.screen-demo span:nth-of-type(2) { width: 74%; }
.screen-demo span:nth-of-type(3) { width: 48%; }

.protector-layer {
  position: absolute;
  z-index: 1;
  inset: var(--protector-inset);
  overflow: hidden;
  border: 1px solid var(--material-line);
  border-radius: var(--protector-radius);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
  pointer-events: none;
  transition: inset .22s ease, border-radius .22s ease, background-color .22s ease, box-shadow .22s ease;
}

.protector-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .28;
  background: linear-gradient(118deg,transparent 12%,rgba(255,255,255,.55) 25%,transparent 39%);
}

.repair-line {
  position: absolute;
  z-index: 3;
  width: 68px;
  height: 1px;
  display: block;
  background: rgba(255,255,255,.7);
  box-shadow: 0 0 5px rgba(255,255,255,.75);
  transform: rotate(-23deg);
  transform-origin: center;
}
.repair-line.one { top: 38%; left: 19%; }
.repair-line.two { top: 46%; left: 35%; width: 48px; }

.privacy-angle { position: absolute; inset-block: 0; width: 42%; opacity: 0; transition: opacity .22s ease; }
.privacy-angle.left { left: 0; background: linear-gradient(90deg,rgba(0,0,0,.86),rgba(0,0,0,.08)); }
.privacy-angle.right { right: 0; background: linear-gradient(-90deg,rgba(0,0,0,.86),rgba(0,0,0,.08)); }

.product-stage[data-protection="clear-auto-repair"] .repair-line,
.product-stage[data-protection="privacy-auto-repair"] .repair-line { animation: quat-repair 2.8s ease-in-out infinite; }
.product-stage[data-protection="matt"] .protector-layer,
.product-stage[data-protection="matt-privacy"] .protector-layer {
  --material-line: rgba(255,255,255,.22);
  background-color: rgba(220,222,218,.22);
  background-image: radial-gradient(rgba(255,255,255,.32) .7px, transparent .8px);
  background-size: 4px 4px;
  backdrop-filter: blur(1.6px) saturate(.65);
  box-shadow: inset 0 0 35px rgba(226,228,224,.18);
}
.product-stage[data-protection="matt"] .protector-layer::before,
.product-stage[data-protection="matt-privacy"] .protector-layer::before { opacity: .05; }
.product-stage[data-protection="matt"] .repair-line,
.product-stage[data-protection="matt-privacy"] .repair-line { display: none; }
.product-stage[data-protection="matt"] .shine,
.product-stage[data-protection="matt-privacy"] .shine { opacity: .12; }
.product-stage[data-protection="matt"] .screen-demo,
.product-stage[data-protection="matt-privacy"] .screen-demo { filter: blur(.5px); opacity: .66; }

.product-stage[data-protection="privacy"] .protector-layer,
.product-stage[data-protection="privacy-auto-repair"] .protector-layer,
.product-stage[data-protection="matt-privacy"] .protector-layer {
  --material-line: rgba(92,94,91,.7);
  background: linear-gradient(90deg,rgba(0,0,0,.74),rgba(10,10,10,.2) 28%,rgba(20,20,20,.08) 50%,rgba(10,10,10,.2) 72%,rgba(0,0,0,.74));
  box-shadow: inset 0 0 42px rgba(0,0,0,.42);
}
.product-stage[data-protection="privacy"] .protector-layer::before,
.product-stage[data-protection="privacy-auto-repair"] .protector-layer::before,
.product-stage[data-protection="matt-privacy"] .protector-layer::before { opacity: .08; }
.product-stage[data-protection="privacy"] .repair-line,
.product-stage[data-protection="matt-privacy"] .repair-line { display: none; }
.product-stage[data-protection="privacy"] .privacy-angle,
.product-stage[data-protection="privacy-auto-repair"] .privacy-angle,
.product-stage[data-protection="matt-privacy"] .privacy-angle { opacity: 1; }
.product-stage[data-protection="privacy"] .screen-demo,
.product-stage[data-protection="privacy-auto-repair"] .screen-demo,
.product-stage[data-protection="matt-privacy"] .screen-demo { opacity: .24; }
.product-stage[data-protection="privacy"] .shine,
.product-stage[data-protection="privacy-auto-repair"] .shine,
.product-stage[data-protection="matt-privacy"] .shine { opacity: .05; }

.fit-status {
  position: absolute;
  z-index: 5;
  left: 8.3%;
  bottom: 7.2%;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  min-height: 28px;
  padding: 0;
  color: #4f504d;
  font: 650 7px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .2em;
}
.fit-status span {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  box-shadow: 0 5px 14px rgba(17,17,17,.06), inset 0 1px rgba(255,255,255,.96);
}
.fit-status span::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 2px solid #171817;
  border-radius: 50%;
}
.product-stage[data-fit="case"] .fit-status span { border-radius: 50%; background: rgba(255,255,255,.92); }
.product-stage[data-fit="case"] .fit-status span::after { inset: 8px; border-radius: 2px; background: #171817; }

.material-mockups {
  width: 154px;
  top: 106px;
  right: 24px;
  display: grid;
  gap: 7px;
}
.material-mockups > p {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 2px;
  color: #666763;
  font: 700 8px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
}
.material-mockups > p span { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; background: #111; color: #fff; font-size: 7px; }

.material-mockup {
  min-height: 58px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid rgba(17,17,17,.1);
  border-radius: 12px;
  background: rgba(255,255,255,.68);
  color: #111;
  text-align: left;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.material-mockup:hover { transform: translateY(-1px); background: #fff; }
.material-mockup:focus-visible { outline: 2px solid var(--quat-choice-accent); outline-offset: 2px; }
.material-mockup.is-selected { border-color: var(--quat-choice-selected-border); background: var(--quat-choice-selected); color: #171713; box-shadow: inset 3px 0 0 var(--quat-choice-accent); }
.material-mockup.is-selected small { color: #696a66; }
.material-mockup > span:last-child { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.material-mockup b { font-size: 10px; }
.material-mockup small { color: #6d6e6a; font-size: 7px; line-height: 1.25; }

.material-sample {
  position: relative;
  width: 42px;
  height: 62px;
  display: block;
  overflow: hidden;
  border: 2px solid #111;
  border-radius: 9px;
  background: linear-gradient(135deg,#282928,#050505 48%,#303130);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.material-sample img { width: 100%; height: 100%; display: block; object-fit: cover; }
.material-mockup.is-selected .material-sample { box-shadow: 0 0 0 1px rgba(214,178,0,.58); }
.material-sample::before { content: ""; position: absolute; inset: 2px; border: 1px solid rgba(255,255,255,.34); border-radius: 6px; }
.material-sample i { position: absolute; inset: 0; display: block; }
.sample-clear i { background: linear-gradient(120deg,transparent 20%,rgba(255,255,255,.45) 33%,transparent 45%); }
.sample-matt i { background-color: rgba(225,226,223,.22); background-image: radial-gradient(rgba(255,255,255,.5) .6px,transparent .7px); background-size: 3px 3px; backdrop-filter: blur(1px); }
.sample-privacy i { background: linear-gradient(90deg,rgba(0,0,0,.88),transparent 48%,rgba(0,0,0,.88)); }

@media (min-width: 901px) {
  .material-mockups .material-mockup { min-height: 58px; grid-template-columns: 42px minmax(0, 1fr); padding: 8px; }
}

.choice > span {
  border-color: var(--quat-choice-border);
  background: var(--quat-choice-bg);
}

.config-form .field-help {
  position: absolute;
  z-index: 30;
  top: 30px;
  left: 0;
  width: min(330px, calc(100vw - 56px));
  max-width: none;
  margin: 0;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  background: #171817;
  box-shadow: 0 14px 34px rgba(17,17,17,.2);
  color: #fff;
  font-size: 10px;
  font-weight: 520;
  line-height: 1.55;
}
.config-form .field-help::before {
  content: "";
  position: absolute;
  left: 108px;
  bottom: 100%;
  border: 6px solid transparent;
  border-bottom-color: #171817;
}
.config-form .field-help[hidden] { display: none; }
.fit-fieldset { position: relative; }
.fit-fieldset > legend { display: flex; align-items: center; gap: 6px; }
.fit-info-button {
  width: 21px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(17,17,17,.16);
  border-radius: 50%;
  background: rgba(255,255,255,.72);
  color: #474844;
  cursor: help;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.fit-info-button svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.fit-info-button:hover,
.fit-info-button[aria-expanded="true"] { border-color: #111; background: #111; color: #fff; }
.fit-info-button:focus-visible { outline: 2px solid #ffd400; outline-offset: 2px; }
.fit-fieldset .fit-grid { position: relative; z-index: 1; }
.choice:hover > span {
  transform: none;
  border-color: rgba(17,17,17,.16);
  background: var(--quat-choice-hover);
  box-shadow: 0 3px 12px rgba(17,17,17,.035);
}
.choice input:checked + span {
  border-color: var(--quat-choice-selected-border);
  background: var(--quat-choice-selected);
  color: #171713;
  box-shadow: 0 3px 12px rgba(17,17,17,.035);
}
.choice input:checked + span::after {
  content: none;
  display: none;
}
.choice input:focus-visible + span {
  outline: 2px solid var(--quat-choice-ring);
  outline-offset: 2px;
}
.type input:checked + span small { color: #696a66; }

.model-search-shell {
  position: relative;
  z-index: 40;
  margin-bottom: 8px;
}
.model-search {
  height: 42px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  margin-bottom: 0;
  padding: 0 12px;
  border: 1px solid rgba(17,17,17,.12);
  border-radius: 10px;
  background: rgba(255,255,255,.7);
  color: #111;
}
.model-search:focus-within { border-color: #111; background: #fff; box-shadow: inset 0 0 0 1px #111; }
.model-search > svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.model-search input {
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: #111;
  font: 600 12px/1 Inter, "Helvetica Neue", Arial, sans-serif;
}
.model-search input::placeholder { color: #777873; }
.model-result-count { color: #696a66; font: 700 8px/1 "SFMono-Regular", Consolas, monospace; white-space: nowrap; }
.model-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 274px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid rgba(17,17,17,.14);
  border-radius: 12px;
  background: rgba(252,252,250,.98);
  box-shadow: 0 22px 48px rgba(17,17,17,.18), inset 0 1px rgba(255,255,255,.96);
  backdrop-filter: blur(20px);
}
.model-suggestions[hidden] { display: none; }
.model-suggestion {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #111;
  text-align: left;
  cursor: pointer;
  transition: background-color .18s ease, transform .18s ease;
}
.model-suggestion:hover,
.model-suggestion.is-active { background: #111; color: #fff; }
.model-suggestion:active { transform: scale(.99); }
.model-suggestion:focus-visible { outline: 2px solid #111; outline-offset: 2px; }
.model-suggestion > span { overflow: hidden; font: 700 12px/1.25 Inter, "Helvetica Neue", Arial, sans-serif; text-overflow: ellipsis; white-space: nowrap; }
.model-suggestion small { color: #6a6b67; font: 700 9px/1 "SFMono-Regular", Consolas, monospace; }
.model-suggestion:hover small,
.model-suggestion.is-active small { color: #d8d9d5; }
.model-suggestion mark { padding: 0; background: #ffd400; color: #111; }
.model-suggestions-empty { margin: 0; padding: 13px 11px; color: #666762; font-size: 11px; font-weight: 600; }

@media (max-width: 900px) {
  .model-search { height: 50px; border-radius: 12px; }
  .model-suggestions { max-height: 246px; }
  .model-suggestion { min-height: 46px; }
}

@keyframes quat-repair {
  0%, 20% { opacity: .85; transform: rotate(-23deg) scaleX(1); }
  68%, 100% { opacity: 0; transform: rotate(-23deg) scaleX(.12); }
}

.cart-message {
  top: auto;
  right: 0;
  bottom: calc(100% + 10px);
  max-width: 240px;
  padding: 9px 12px;
  border: 1px solid rgba(17,17,17,.11);
  border-radius: 10px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 12px 28px rgba(17,17,17,.13);
  color: #565753;
  line-height: 1.35;
}
.cart-message:empty { display: none; }
.cart-message a { color: #111; font-weight: 800; }

.add-cart {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px 13px 16px;
  box-shadow: 0 10px 26px rgba(142, 117, 0, .2), inset 0 1px rgba(255,255,255,.58);
}
.add-cart-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.add-cart-label { white-space: nowrap; }
.add-cart-state {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.64);
  font: 800 12px/1 var(--quat-mono, monospace);
}
.add-cart.is-added { background: #111; color: #fff; box-shadow: 0 10px 24px rgba(17,17,17,.2); }
.add-cart.is-added .add-cart-state { background: #fff; color: #111; }

.benefits span {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.benefits i {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 17, 17, .12);
  border-radius: 9px;
  background: rgba(255, 212, 0, .18);
  color: #111;
  box-shadow: inset 0 1px rgba(255, 255, 255, .06);
  font-style: normal;
}

.benefits svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefits b {
  font-size: 10px;
  line-height: 1.3;
  white-space: nowrap;
}

.story .eyebrow,
.support-intro .eyebrow,
.support-resources .eyebrow {
  display: flex;
}

.support-grid .support-kicker {
  margin: 12px 0 0;
  color: #5f605d;
  font: 750 10px/1.2 var(--quat-mono, monospace);
  letter-spacing: .08em;
}

.support-grid h3 { margin-top: 8px; }

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

.support-resources {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding: 0 70px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  background: rgba(244,244,242,.93);
  backdrop-filter: blur(26px);
}

.news-panel,
.faq-panel {
  padding: 34px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.56);
}

.news-panel { border-radius: 24px 16px 16px 24px; }
.faq-panel { border-radius: 16px 24px 24px 16px; }
.support-resources .faq-panel { border-radius: 24px; }
.resource-heading { margin-bottom: 28px; }
.resource-heading .eyebrow { margin-bottom: 13px; }
.resource-heading h2 { margin: 0; font-size: clamp(30px,3.3vw,46px); line-height: 1; letter-spacing: -.05em; }
.news-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.news-list article { min-height: 210px; padding: 22px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.66); }
.news-list article:first-child { grid-row: span 2; min-height: 430px; background: rgba(255,212,0,.12); }
.news-list time { color: #777; font: 700 9px/1 var(--quat-mono, monospace); letter-spacing: .08em; }
.news-list h3 { margin: 20px 0 10px; font-size: 21px; line-height: 1.05; letter-spacing: -.03em; }
.news-list p { margin: 0; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.6; }
.news-list a,
.support-contact { margin-top: auto; color: #111; font-size: 11px; font-weight: 750; text-decoration: none; }
.news-list a:hover,
.support-contact:hover { text-decoration: underline; text-underline-offset: 4px; }
.news-list a:focus-visible,
.support-contact:focus-visible,
.support-grid a:focus-visible { outline: 2px solid #111; outline-offset: 4px; border-radius: 3px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 18px 30px 18px 0; position: relative; cursor: pointer; list-style: none; font-size: 13px; font-weight: 700; line-height: 1.35; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 16px; right: 2px; font: 500 18px/1 sans-serif; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary:focus-visible { outline: 2px solid #111; outline-offset: 4px; }
.faq-list p { margin: -4px 0 18px; max-width: 48ch; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.65; }
.support-contact { display: inline-block; margin-top: 26px; }

.quat-site footer p {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .quat-logo img { height: 23px !important; max-width: 98px !important; }
  .quat-logo-footer img { height: 25px !important; max-width: 108px !important; }
  .benefits { gap: 12px; }
  .benefits b { white-space: normal; }
  .benefits i { flex-basis: 32px; width: 32px; height: 32px; }
}

@media (max-width: 420px) {
  .benefits { grid-template-columns: 1fr; }
  .benefits span { min-height: 38px; }
}