:root {
  color-scheme: dark;
  --bg: #141516;
  --panel: #1b1d1f;
  --panel-raised: #232629;
  --line: #363a3e;
  --text: #eaebec;
  --muted: #aaadaf;
  --steel: #c6cacd;
  --accent: #ff9c5c;
  --accent-hover: #ffb37f;
  --font: Arial, 'Helvetica Neue', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { color: inherit; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button, fieldset, h1, h2, h3, p { margin: 0; }
fieldset { border: 0; padding: 0; min-width: 0; }
h1, h2, h3 { line-height: 1.1; font-weight: 700; }
h1, h2 { letter-spacing: -.05em; }
p { color: var(--muted); }
svg, img { display: block; }
img { max-width: 100%; }
[hidden] { display: none !important; }
.container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.section { padding-block: 112px; }
.icon { width: 22px; height: 22px; flex-shrink: 0; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.svg-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: #c6cbcf; color: #141516; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 80; background: var(--text); color: var(--bg); padding: 12px 20px; }
.skip-link:focus { top: 14px; }
.eyebrow { display: block; font-size: 10px; line-height: 1.7; font-weight: 600; letter-spacing: .16em; color: #b1b5b8; }
.site-header { background: #141516f5; position: sticky; top: 0; z-index: 30; border-bottom: 1px solid #ffffff12; }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 13px; font-size: 18px; font-weight: 700; line-height: 1.2; letter-spacing: .01em; flex-shrink: 0; }
.brand small { display: block; margin-top: 7px; color: #909396; font-size: 7px; font-weight: 400; letter-spacing: .27em; }
.brand-amp { color: var(--accent); }
.brand-mark { width: 33px; height: 37px; }
.brand-mark svg { width: 100%; height: 100%; stroke: var(--steel); fill: none; stroke-width: 2; }
.desktop-nav { display: flex; gap: 28px; font-size: 13px; color: #b2b5b7; }
.desktop-nav a { padding-block: 15px; transition: color .2s; }
.desktop-nav a:hover { color: var(--text); }
.header-contact { display: inline-flex; align-items: center; gap: 23px; border: 1px solid #505355; border-radius: 4px; padding: 10px 16px; font-size: 12px; }
.header-contact .icon { width: 17px; height: 17px; }
.header-contact:hover { border-color: var(--text); }
.menu-toggle { display: none; }
.mobile-nav { padding: 12px 24px 22px; border-top: 1px solid var(--line); background: var(--bg); }
.mobile-nav a { display: block; min-height: 48px; padding: 12px 0; font-size: 16px; }
.hero { position: relative; overflow: hidden; min-height: 700px; isolation: isolate; border-bottom: 1px solid #ffffff12; }
.hero-media { position: absolute; inset: 0; z-index: -2; background: #141516; }
.hero-media picture, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media img { object-position: center right; }
.hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, #141516 0%, #141516ef 16%, #141516b0 38%, #14151620 68%, #14151605), linear-gradient(0deg, #141516 0%, transparent 23%, transparent 80%, #14151640); }
.hero-layout { min-height: 700px; padding-block: 82px 70px; position: relative; display: flex; align-items: center; }
.hero-copy { position: relative; max-width: 850px; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: 12px; color: #c1c4c6; font-size: 10px; letter-spacing: .18em; }
.location-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.eyebrow-divider { color: #5c5e61; margin-inline: 4px; }
h1 { font-size: clamp(48px, 5.8vw, 84px); line-height: 1.02; letter-spacing: -.055em; margin: 30px 0 28px; }
h1 span { color: #b3b7ba; }
.hero-service { font-size: 20px; line-height: 1.4; color: #e6e7e8; letter-spacing: -.02em; margin-bottom: 13px; }
.hero-description { font-size: 15px; line-height: 1.8; color: #bbbec0; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 56px; padding: 15px 22px; font-size: 13px; font-weight: 600; line-height: 1.4; border: 1px solid transparent; border-radius: 4px; transition: background .2s, transform .2s, border-color .2s; }
.button .icon { width: 19px; height: 19px; }
.button.primary { color: #16100b; background: var(--accent); }
.button.primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.button.secondary { border-color: #6d7073; color: #e3e5e6; background: #14151633; }
.button.secondary:hover { border-color: #d3d7d9; background: #1f2224c0; }
.button:active { transform: none; }
.text-link { display: inline-flex; align-items: center; gap: 14px; background: transparent; min-height: 44px; padding: 8px 0; font-size: 13px; line-height: 1.5; }
.text-link .icon { width: 16px; height: 16px; }
.text-link:hover { color: var(--accent); }
.hero-caption { display: flex; align-items: center; gap: 15px; margin-top: 38px; }
.caption-line { width: 2px; height: 34px; background: #7c8084; }
.hero-caption p { font-size: 12px; color: #999c9f; line-height: 1.65; }
.hero-caption strong { font-weight: 400; color: #d8dadb; }
.hero-image-label { position: absolute; right: 0; bottom: 65px; font-size: 8px; letter-spacing: .16em; color: #cfd1d3; display: flex; align-items: center; gap: 15px; }
.image-cross { font: 300 28px/1 var(--font); color: var(--accent); }
.principles { display: flex; justify-content: space-between; gap: 24px; padding-block: 26px; border-bottom: 1px solid var(--line); }
.principles span { display: flex; align-items: center; gap: 12px; color: #bbbec0; font-size: 12px; }
.principles .icon { width: 17px; height: 17px; color: #8d9297; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-heading .eyebrow { margin-bottom: 20px; }
h2 { font-size: clamp(34px, 3.8vw, 52px); line-height: 1.07; }
.section-heading > p { font-size: 14px; line-height: 1.8; max-width: 340px; }
.mobile-break { display: none; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; border-top: 1px solid var(--line); }
.service-card { text-align: left; position: relative; padding: 30px 22px 29px 0; min-height: 195px; border-bottom: 1px solid var(--line); background: transparent; transition: background .2s; }
.service-card:hover { background: #1c1f21; }
.service-card > .icon { width: 35px; height: 35px; color: #b9bdc0; stroke-width: 1.15; margin-bottom: 26px; }
.service-card .card-arrow { position: absolute; right: 2px; top: 32px; width: 19px; height: 19px; color: #74787c; }
.service-index { position: absolute; top: 37px; right: 42px; font-size: 9px; color: #7b7f82; letter-spacing: .06em; }
.service-card h3 { font-size: 21px; line-height: 1.2; letter-spacing: -.03em; margin-bottom: 10px; }
.service-card p { font-size: 12px; line-height: 1.7; max-width: 280px; }
.services-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 25px; }
.services-bottom p { font-size: 12px; }
.services-bottom .text-link { color: #d1d5d8; flex-shrink: 0; }
.calculator-section { background: #181a1c; border-block: 1px solid #282a2c; }
.calculator { border: 1px solid #3e4043; border-radius: 9px; overflow: hidden; background: #1c1e21; }
.category-fieldset { padding: 30px; border-bottom: 1px solid #333638; }
legend { float: left; width: 100%; display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 17px; font-weight: 600; line-height: 1.4; }
legend + * { clear: both; }
.step-number { display: inline-grid; place-items: center; width: 25px; height: 25px; border: 1px solid #606568; border-radius: 50%; color: #c9cfd2; font-size: 11px; font-weight: 400; }
.category-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.choice { position: relative; cursor: pointer; display: block; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; width: 100%; height: 100%; cursor: pointer; }
.choice-content { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 60px; border: 1px solid #3e4043; border-radius: 4px; padding: 12px 10px; font-size: 13px; color: #c8cacc; line-height: 1.5; transition: border-color .2s, background .2s, color .2s; }
.choice .icon { width: 25px; height: 25px; stroke-width: 1.3; }
.choice input:checked + .choice-content { color: #f2f4f5; background: #313538; border-color: #a9b0b5; }
.choice input:hover + .choice-content { border-color: #9fa4a7; }
.choice input:focus-visible + .choice-content { outline: 2px solid var(--accent); outline-offset: 3px; }
.by-agreement .choice-content { border-style: dashed; color: #a2a4a7; }
.calculator-body { display: grid; grid-template-columns: 1.2fr 1fr; }
.calculator-inputs { padding: 32px; }
.fault-options { display: grid; gap: 10px; }
.fault-choice .choice-content { justify-content: flex-start; padding: 14px 16px; min-height: 57px; font-size: 14px; background: #1b1d1f; }
.radio-dot { width: 17px; height: 17px; flex-shrink: 0; border: 1px solid #7b7f83; border-radius: 50%; position: relative; }
.choice input:checked + .choice-content .radio-dot { border-color: #cfd5d9; }
.choice input:checked + .choice-content .radio-dot::after { content: ''; position: absolute; inset: 4px; background: #d6dcdf; border-radius: 50%; }
.extra-options { display: grid; gap: 24px; margin-top: 27px; }
.extra-options:empty { display: none; }
.extra-options legend { font-size: 13px; font-weight: 400; margin-bottom: 12px; color: #bbbfc1; }
.extra-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.extra-choices .choice-content { min-height: 44px; font-size: 12px; padding: 10px 13px; }
.custom-fault { margin-top: 20px; font-size: 12px; color: #b5b8bb; }
.calculator-result { padding: 25px 32px 30px; background: #26292c; border-left: 1px solid #3e4043; display: flex; flex-direction: column; }
.device-area { flex: 1; display: flex; flex-direction: column; min-height: 238px; }
.device-topline { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: #bdc0c3; }
.device-dot { width: 5px; height: 5px; border-radius: 50%; background: #afb5ba; }
.device-model { width: min(100%, 290px); aspect-ratio: 1.6; display: flex; align-items: center; justify-content: center; margin: auto; }
.device-model svg { width: 100%; height: 100%; overflow: visible; }
.device-caption { font-size: 11px; color: #b0b3b6; text-align: center; margin: 5px 0 24px; }
.estimate-box { padding-top: 23px; border-top: 1px solid #46494c; }
.demo-badge { display: inline-block; border: 1px solid #5b5f63; border-radius: 3px; padding: 3px 7px; color: #d4d7d9; font-size: 8px; letter-spacing: .12em; font-weight: 600; }
.estimate-label { margin-top: 13px; font-size: 12px; color: #bcbfc1; }
.estimate { margin: 8px 0 14px; font-size: clamp(25px, 2.5vw, 36px); line-height: 1.2; letter-spacing: -.045em; font-weight: 700; color: #f2f3f4; }
.estimate-text { font-size: clamp(25px, 2.3vw, 33px); }
.estimate-disclaimer, .estimate-context { font-size: 11px; line-height: 1.7; color: #c0c2c4; }
.estimate-context { margin-top: 10px; }
.fault-note { margin-top: 10px; font-size: 11px; line-height: 1.7; color: #ced2d5; }
.request-button { margin-top: 24px; width: 100%; justify-content: space-between; }
.request-hint { font-size: 10px; text-align: center; margin-top: 12px; color: #b0b4b6; }
.price-notice { font-size: 11px; line-height: 1.8; max-width: 760px; margin: 22px auto 0; text-align: center; color: #abadb0; }
.notice { padding: 20px; border: 1px solid #74787c; font-size: 14px; background: #232628; }
.about { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; }
.about-photo { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 5px; background: #1b1d1f; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 44px 26px 24px; background: linear-gradient(transparent, #141516e6); color: #e2e4e6; font-size: 9px; letter-spacing: .14em; }
.photo-label span { display: block; font-size: 9px; letter-spacing: .01em; margin-top: 6px; color: #b2b6b9; }
.about-copy .eyebrow { margin-bottom: 22px; }
.about-copy h2 { font-size: clamp(32px, 3.5vw, 48px); margin-bottom: 25px; }
.about-copy h2 span { color: #969b9f; }
.about-copy > p { font-size: 14px; line-height: 1.9; }
.about-point { display: flex; gap: 20px; margin-top: 27px; padding-top: 23px; border-top: 1px solid var(--line); }
.about-point > span { font-size: 10px; color: #91979b; padding-top: 3px; }
.about-point h3 { font-size: 17px; margin-bottom: 9px; letter-spacing: -.02em; }
.about-point p { font-size: 12px; line-height: 1.85; }
#how { border-top: 1px solid var(--line); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; }
.steps li { position: relative; padding-top: 24px; border-top: 1px solid #4f5255; }
.big-step { display: block; font-size: 54px; font-weight: 400; letter-spacing: -.05em; line-height: 1; color: #71767a; margin-bottom: 29px; }
.steps h3 { font-size: 19px; line-height: 1.3; margin-bottom: 13px; letter-spacing: -.02em; }
.steps p { font-size: 13px; line-height: 1.85; }
.faq-section { background: #1b1d1f; border-block: 1px solid #363a3e; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.5fr; gap: 80px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro h2 { font-size: 45px; margin: 23px 0 25px; line-height: 1.1; }
.faq-intro h2 span { color: #9fa4a8; }
.faq-intro > p { font-size: 13px; line-height: 1.9; }
.faq-topics { display: grid; max-width: 280px; margin-top: 30px; }
.faq-topics a { display: flex; gap: 17px; align-items: center; min-height: 50px; border-top: 1px solid #444649; color: #a1a7aa; font-size: 10px; }
.faq-topics a span { flex: 1; color: #cbced0; font-size: 12px; }
.faq-topics a:hover span { color: #f4f4f5; }
.faq-aside { margin-top: 42px; border-left: 2px solid #64696d; padding-left: 20px; }
.faq-aside-mark { display: block; font-size: 26px; font-weight: 700; letter-spacing: -.07em; color: #adb3b6; margin-bottom: 13px; }
.faq-aside p { font-size: 12px; line-height: 1.8; }
.faq-aside .text-link { color: #c6cbce; font-size: 12px; margin-top: 9px; }
.faq-group, .faq-item, .faq-item summary { scroll-margin-top: 110px; }
.faq-group + .faq-group { margin-top: 40px; }
.faq-group-label { color: #a2a7ab; font-size: 9px; font-weight: 500; line-height: 1.7; letter-spacing: .15em; padding-bottom: 15px; }
.faq-item { border-top: 1px solid #46484b; }
.faq-item:last-child { border-bottom: 1px solid #46484b; }
.faq-item summary { display: flex; list-style: none; align-items: center; gap: 18px; min-height: 96px; padding: 25px 0; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-number { font-size: 10px; color: #9da2a6; min-width: 18px; align-self: flex-start; margin-top: 6px; }
.faq-item summary h3 { flex: 1; font-size: 21px; line-height: 1.4; letter-spacing: -.025em; color: #e3e4e6; transition: color .2s; }
.faq-item summary:hover h3, .faq-item[open] summary h3 { color: #d1d7db; }
.faq-plus { position: relative; flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; border: 1px solid #606468; transition: transform .25s, background .25s; }
.faq-plus::before, .faq-plus::after { content: ''; position: absolute; left: 9px; right: 9px; height: 1px; top: 13.5px; background: #c5cacd; }
.faq-plus::after { transform: rotate(90deg); }
.faq-item[open] .faq-plus { transform: rotate(45deg); background: #414549; }
.faq-answer { padding: 0 42px 28px 36px; font-size: 15px; line-height: 1.85; }
.faq-answer p { color: #bbbdc0; }
.faq-answer p + p { margin-top: 15px; }
.faq-answer strong { color: #e6e8e9; font-weight: 600; }
.faq-answer ul { list-style: none; margin: 15px 0; padding: 0; }
.faq-answer li { padding-left: 21px; margin-bottom: 6px; position: relative; color: #bbbdc0; }
.faq-answer li::before { content: '—'; position: absolute; left: 0; color: #a7adb2; }
.faq-callout { padding: 15px 18px; margin-top: 20px; background: #25282b; border-left: 2px solid #9ca3a8; font-size: 13px; line-height: 1.8; color: #ced1d4; }
.faq-item[open] .faq-answer { animation: faq-enter .23s ease-out; }
.note-ref { display: inline-flex; align-items: center; justify-content: center; min-width: 24px; min-height: 24px; vertical-align: super; color: #d0d6d9; font-size: 10px; line-height: 1; text-decoration: underline; text-underline-offset: 3px; border-radius: 3px; }
.note-ref:hover { background: #3c4044; }
.faq-footnotes { display: grid; gap: 15px; border-top: 1px solid #404346; margin-top: 30px; padding-top: 22px; }
.faq-footnotes p { position: relative; padding-left: 25px; font-size: 11px; line-height: 1.85; color: #acafb2; scroll-margin-top: 115px; }
.faq-footnotes p > span { position: absolute; left: 0; top: 2px; display: grid; place-items: center; width: 17px; height: 17px; border: 1px solid #73787d; border-radius: 3px; color: #d4d8db; font-size: 9px; }
.faq-footnotes p:target { background: #35393d; outline: 1px solid #8d9499; padding-block: 9px; padding-right: 10px; }
.faq-footnotes p:target > span { top: 11px; }
.faq-footnotes a { display: inline-block; min-width: 26px; text-align: center; color: #d4d9dc; }
.contact-panel { padding: 50px; background: #24272a; border: 1px solid #4c5053; border-radius: 7px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; }
.contact-intro h2 { font-size: 49px; margin: 20px 0 22px; }
.contact-intro h2 span { color: #afb5b9; }
.contact-intro > p { font-size: 13px; line-height: 1.9; }
.contact-intro > .button { margin-top: 26px; }
.contact-links { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 15px; }
.contact-links a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; color: #d7dbdd; }
.contact-links a:hover { color: var(--accent); }
.phone-call .icon { width: 16px; height: 16px; }
.contact-details { display: grid; align-content: start; gap: 24px; padding-top: 5px; }
.contact-details > div { border-bottom: 1px solid #484c4f; padding-bottom: 22px; }
.detail-label { display: block; color: #a2a7ab; font-size: 9px; letter-spacing: .15em; margin-bottom: 9px; }
.contact-details p { color: #e5e7e8; font-size: 16px; line-height: 1.65; }
.contact-details #contact-phone { font-size: clamp(21px,2.1vw,29px); letter-spacing: -.03em; white-space: nowrap; }
#contact-phone a:hover { color: var(--accent); }
.contact-details p.address-note { color: #b3b7b9; font-size: 11px; line-height: 1.8; margin-top: 10px; }
.contact-placeholder { font-size: 11px !important; color: #b3b7b9 !important; }
.footer { border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 115px; padding-block: 25px; }
.footer-brand { font-size: 15px; font-weight: 700; line-height: 1.3; }
.footer-brand span { display: block; font-weight: 400; font-size: 7px; letter-spacing: .2em; color: #8d9195; margin-top: 7px; }
.footer p { font-size: 11px; }
.footer .text-link { font-size: 11px; }
dialog { width: min(600px, calc(100% - 32px)); max-height: calc(100vh - 40px); padding: 0; border: 1px solid #6a6f73; border-radius: 8px; background: #1c1f21; color: var(--text); }
dialog::backdrop { background: #050607d9; }
.dialog-content { padding: 33px; position: relative; }
.dialog-close { position: absolute; right: 14px; top: 14px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 4px; background: #313538; color: #e8eaec; }
.dialog-close .icon { width: 18px; height: 18px; }
.dialog-content h2 { font-size: 31px; margin: 19px 25px 14px 0; }
#request-help { font-size: 13px; line-height: 1.7; }
.dialog-content label { display: block; font-size: 12px; margin: 22px 0 10px; }
textarea { display: block; resize: vertical; width: 100%; min-height: 200px; padding: 15px; border: 1px solid #64696d; border-radius: 5px; background: #0d0e10; color: #e7e9eb; font-size: 13px; line-height: 1.7; }
.dialog-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-top: 17px; }
#messenger-links { display: flex; gap: 15px; flex-wrap: wrap; }
#messenger-links a { color: #d0d5d8; font-size: 12px; padding-block: 10px; }
#copy-status { font-size: 12px; color: #d9dddf; margin-top: 13px; }
.dialog-note { font-size: 11px; line-height: 1.7; margin-top: 16px; color: #b6babd; }
/* State transitions run only after a selection. */
.device-model .screen-image, .device-model .power-led, .device-model .fault-layer, .device-model .active-display, .device-model .machine-light { transition: opacity .3s, fill .3s; }
.device-model .fault-layer { opacity: 0; }
.device-model[data-state="off"] .screen-image, .device-model[data-state="sound"] .screen-image { opacity: 0; }
.device-model[data-state="off"] .power-led, .device-model[data-state="off"] .active-display, .device-model[data-state="off"] .machine-light { opacity: 0; }
.device-model[data-state="stripes"] .fault-stripes, .device-model[data-state="half"] .fault-half,
.device-model[data-state="charge"] .fault-charge, .device-model[data-state="heat"] .fault-heat,
.device-model[data-state="weak"] .fault-weak, .device-model[data-state="protect"] .fault-protect,
.device-model[data-state="unstable"] .fault-unstable, .device-model[data-state="cold"] .fault-cold,
.device-model[data-state="spark"] .fault-spark, .device-model[data-state="plate"] .fault-plate,
.device-model[data-state="sound"] .fault-sound, .device-model[data-state="noarc"] .fault-noarc,
.device-model[data-state="distortion"] .fault-distortion, .device-model[data-state="contacts"] .fault-contacts,
.device-model[data-state="bms"] .fault-bms, .device-model[data-state="signal"] .fault-signal { opacity: 1; }
.device-model[data-state="protect"] .power-led { fill: #ffae6b; }
.device-model[data-state="weak"] .charge-level, .device-model[data-state="charge"] .charge-level { opacity: 0; }
.device-model[data-state="signal"] .screen-image { opacity: .15; }
.device-model[data-state="unstable"].state-change .active-display { animation: flicker .5s 1; }
.price-update { animation: price-in .3s ease-out; }
@keyframes price-in { from { opacity: .35; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes faq-enter { from { opacity: .5; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@keyframes flicker { 0%,100% { opacity: 1; } 20%,60% { opacity: .1; } 40%,80% { opacity: .8; } }
@media (min-width: 1600px) { .hero, .hero-layout { min-height: 760px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .desktop-nav { gap: 20px; font-size: 12px; }
  .header-inner { gap: 20px; }
  .hero, .hero-layout { min-height: 650px; }
  .hero-layout { padding-block: 65px; }
  h1 { font-size: 65px; }
  .hero-image-label { display: none; }
  .hero-media::after { background: linear-gradient(90deg,#141516 0%,#141516df 25%,#14151670 65%,#14151610),linear-gradient(0deg,#141516,transparent 30%); }
  .section { padding-block: 88px; }
  .service-grid { gap: 0 22px; }
  .service-card h3 { font-size: 19px; }
  .about { gap: 45px; }
  .faq-layout { gap: 40px; grid-template-columns: .75fr 1.5fr; }
  .faq-intro h2 { font-size: 36px; }
  .faq-item summary h3 { font-size: 19px; }
  .faq-answer { padding-right: 5px; font-size: 14px; }
  .contact-panel { padding: 36px; gap: 45px; }
  .contact-intro h2 { font-size: 39px; }
  .calculator-inputs, .calculator-result { padding-inline: 25px; }
}
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .header-contact { margin-left: auto; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background: transparent; width: 44px; height: 44px; border: 1px solid #4b4e51; border-radius: 4px; }
  .menu-toggle span { height: 1px; width: 19px; background: #d0d2d5; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero-media img { object-position: 63% center; }
  h1 { font-size: clamp(45px,7vw,62px); }
  .principles { gap: 18px; }
  .principles span { font-size: 10px; gap: 8px; }
  .category-options .choice-content { font-size: 11px; gap: 7px; }
  .calculator-body { grid-template-columns: 1fr 1fr; }
  .fault-choice .choice-content { font-size: 13px; padding-inline: 12px; }
  .calculator-inputs, .calculator-result { padding-inline: 20px; }
  .estimate { font-size: 28px; }
  .estimate-text { font-size: 26px; }
  .about { gap: 30px; }
  .about-copy h2 { font-size: 34px; }
  .about-copy > p { font-size: 13px; }
  .about-point { margin-top: 20px; padding-top: 18px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 94px; }
  .container { width: calc(100% - 40px); }
  .section { padding-block: 66px; }
  .header-inner { min-height: 72px; gap: 13px; }
  .brand { font-size: 15px; gap: 10px; }
  .brand small { font-size: 6px; letter-spacing: .2em; margin-top: 6px; }
  .brand-mark { width: 27px; height: 30px; }
  .header-contact { font-size: 11px; padding: 10px 12px; gap: 9px; }
  .header-contact .icon { width: 14px; height: 14px; }
  .hero { min-height: 0; }
  .hero-layout { min-height: 760px; padding: 50px 0 265px; align-items: flex-start; }
  .hero-copy { max-width: 100%; }
  .hero-copy > .eyebrow { font-size: 8px; gap: 9px; letter-spacing: .13em; }
  h1 { font-size: clamp(39px, 7.7vw, 59px); margin: 25px 0 23px; line-height: 1.04; }
  .hero-service { font-size: 18px; max-width: 330px; margin-bottom: 12px; }
  .hero-description { font-size: 14px; line-height: 1.8; }
  .hero-actions { gap: 10px; margin-top: 25px; }
  .hero-actions .button { font-size: 12px; gap: 17px; padding: 14px 17px; min-height: 52px; }
  .hero-caption { margin-top: 26px; }
  .hero-caption p { font-size: 11px; }
  .hero-media { inset: auto 0 0; height: 385px; }
  .hero-media img { object-position: 72% center; }
  .hero-media::after { background: linear-gradient(180deg,#141516 0%,#14151690 15%,transparent 43%,#14151640 80%,#141516 100%); }
  .principles { flex-direction: column; gap: 12px; padding-block: 23px; }
  .principles span { font-size: 11px; gap: 11px; }
  .principles .icon { width: 16px; height: 16px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading .eyebrow { margin-bottom: 15px; }
  h2 { font-size: 36px; line-height: 1.1; }
  .section-heading > p { margin-top: 20px; font-size: 13px; max-width: 360px; }
  .mobile-break { display: block; }
  .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 19px; }
  .service-card { padding: 22px 8px 23px 0; min-height: 194px; }
  .service-card > .icon { width: 31px; height: 31px; margin-bottom: 24px; }
  .service-card .card-arrow { width: 16px; height: 16px; top: 25px; right: 0; }
  .service-index { display: none; }
  .service-card h3 { font-size: 17px; line-height: 1.25; margin-bottom: 10px; }
  .service-card p { font-size: 11px; line-height: 1.7; }
  .services-bottom { display: block; padding-top: 22px; }
  .services-bottom p { font-size: 12px; max-width: 330px; }
  .services-bottom .text-link { margin-top: 8px; }
  .category-fieldset { padding: 22px 18px; }
  legend { font-size: 16px; gap: 10px; }
  .category-options { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .category-options .choice-content { min-height: 60px; font-size: 12px; text-align: left; justify-content: flex-start; padding: 10px 9px; }
  .choice .icon { width: 23px; height: 23px; }
  .calculator-body { display: block; }
  .calculator-inputs { padding: 26px 18px; }
  .fault-choice .choice-content { font-size: 13px; min-height: 55px; }
  .calculator-result { padding: 21px 22px 25px; border-left: 0; border-top: 1px solid #3e4043; }
  .device-area { min-height: 183px; }
  .device-model { width: 235px; }
  .device-caption { margin-bottom: 19px; }
  .estimate { font-size: 31px; }
  .estimate-text { font-size: 28px; }
  .estimate-disclaimer br { display: none; }
  .estimate-disclaimer, .estimate-context, .fault-note { font-size: 12px; }
  .price-notice { font-size: 11px; text-align: left; margin-top: 18px; }
  .about { display: flex; flex-direction: column-reverse; align-items: stretch; gap: 32px; }
  .about-copy h2 { font-size: 36px; }
  .about-copy > p { font-size: 14px; }
  .about-point { gap: 17px; padding-top: 23px; margin-top: 24px; }
  .about-point h3 { font-size: 18px; }
  .about-point p { font-size: 13px; }
  .about-photo { aspect-ratio: 1.2; }
  .steps { display: block; }
  .steps li { display: grid; grid-template-columns: 48px 1fr; gap: 0 20px; padding: 24px 0; }
  .big-step { grid-row: span 2; font-size: 34px; margin: 0; padding-top: 2px; }
  .steps h3 { font-size: 18px; margin-bottom: 10px; }
  .steps p { font-size: 13px; }
  .faq-layout { display: block; }
  .faq-intro { position: static; }
  .faq-intro h2 { font-size: 37px; margin: 18px 0 20px; }
  .faq-intro h2 span br { display: none; }
  .faq-topics { display: flex; flex-wrap: wrap; gap: 8px; max-width: none; margin: 26px 0 34px; }
  .faq-topics a { border: 1px solid #55595d; border-radius: 4px; padding: 10px 12px; min-height: 44px; gap: 8px; font-size: 9px; }
  .faq-topics a span { font-size: 11px; }
  .faq-aside { display: none; }
  .faq-group, .faq-item, .faq-item summary { scroll-margin-top: 100px; }
  .faq-item summary { gap: 10px; min-height: 88px; padding: 23px 0; }
  .faq-item summary h3 { font-size: 18px; line-height: 1.45; }
  .faq-number { font-size: 9px; min-width: 15px; }
  .faq-plus { width: 27px; height: 27px; }
  .faq-plus::before, .faq-plus::after { left: 8px; right: 8px; top: 12px; }
  .faq-answer { padding: 0 0 25px 25px; font-size: 14px; }
  .faq-callout { font-size: 12px; padding: 14px; }
  .faq-footnotes p { font-size: 11px; }
  .contact-panel { display: block; padding: 29px 22px; }
  .contact-intro h2 { font-size: 38px; }
  .contact-intro > .button { font-size: 12px; padding-inline: 16px; gap: 16px; }
  .contact-links a { font-size: 12px; }
  .contact-details { margin-top: 30px; gap: 22px; }
  .contact-details #contact-phone { font-size: 25px; }
  .contact-details p { font-size: 15px; }
  .footer { flex-wrap: wrap; justify-content: space-between; gap: 20px; padding-block: 27px; }
  .footer p { order: 3; width: 100%; font-size: 11px; }
  .dialog-content { padding: 28px 22px; }
  .dialog-content h2 { font-size: 28px; }
  textarea { font-size: 13px; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 9px; }
  .header-contact { display: none; }
  .menu-toggle { margin-left: auto; }
  h1 { font-size: 36px; }
  .hero-layout { min-height: 810px; padding-top: 42px; padding-bottom: 280px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 290px; }
  .hero-actions .button { justify-content: space-between; }
  .hero-service { font-size: 17px; }
  .hero-description { font-size: 13px; }
  h2, .about-copy h2 { font-size: 32px; }
  .service-grid { gap: 0 14px; }
  .service-card h3 { font-size: 16px; }
  .category-fieldset, .calculator-inputs { padding-inline: 13px; }
  .category-options .choice-content { font-size: 11px; gap: 6px; padding-inline: 7px; }
  .category-options .icon { width: 21px; height: 21px; }
  .fault-choice .choice-content { padding-inline: 10px; gap: 9px; }
  .calculator-result { padding-inline: 17px; }
  .estimate { font-size: 28px; }
  .faq-intro h2 { font-size: 33px; }
  .faq-item summary h3 { font-size: 17px; }
  .contact-panel { padding-inline: 18px; }
  .contact-intro h2 { font-size: 34px; }
  .contact-details #contact-phone { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}