/* ENGSTOK — industrial expertise, with a quiet editorial rhythm.
   Logo colors identify the four services; coral guides the next action. */
:root {
  color-scheme: light;
  --brand-ink: #221f20; --brand-red: #dd5d4f; --brand-yellow: #f4c26c;
  --brand-teal: #50b19c; --brand-blue: #7388c0;
  --cta: #bd493c; --cta-hover: #a23a30;
  --g-990: #131618; --g-950: #181c1e; --g-920: #202628; --g-900: #272e30;
  --g-860: #2c3335; --g-800: #343c3e; --g-700: #424c4e; --g-600: #626e70;
  --g-500: #748083; --g-400: #9ca6a7; --g-300: #bdc5c5; --g-200: #dce0df;
  --g-150: #e5e8e6; --g-100: #edf0ed; --g-50: #f5f6f3;
  --tx: #222a2b; --tx-body: #485254; --tx-mute: #647072;
  --on-dark: #f7f8f5; --on-dark-body: #c9d0ce; --on-dark-mute: #a9b5b3;
  --c-repair: #dd5d4f; --c-repair-tx: #b74133;
  --c-source: #f4c26c; --c-source-tx: #805c14;
  --c-network: #50b19c; --c-network-tx: #25735f;
  --c-predict: #7388c0; --c-predict-tx: #4f65a0;
  --lamp-r: #e8887a; --lamp-y: #f4c26c; --lamp-g: #82c5b3;
  --duo: saturate(.55) contrast(1.02);
  --sans: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --grot: "Archivo", var(--sans); --mono: "JetBrains Mono", ui-monospace, monospace;
  --wrap: 1240px; --gut: clamp(24px, 5vw, 72px); --pad: clamp(76px, 8vw, 120px);
  --nav-h: 84px; --focus: #a23a30;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--g-990); scroll-padding-bottom: 88px; }
body { margin: 0; background: #fff; color: var(--tx-body); font-family: var(--sans); font-size: 16px; line-height: 1.75; letter-spacing: -.015em; -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: break-word; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--tx); text-wrap: balance; }
p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.hero, .band--dark, .opener, .foot, .dock, .makers { --focus: var(--brand-yellow); }
[id] { scroll-margin-top: calc(var(--nav-h) + 24px); }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gut) * 2); margin-inline: auto; padding-inline: var(--gut); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; word-break: normal; overflow-wrap: anywhere; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; left: 24px; top: -100px; z-index: 100; padding: 12px 20px; background: #fff; color: var(--tx); }
.skip-link:focus { top: 12px; }
/* Navigation and actions */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 4px; font: 650 15px/1.3 var(--sans); letter-spacing: -.01em; text-decoration: none; cursor: pointer; transition: background-color .18s, color .18s, border-color .18s; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--red { background: var(--cta); color: #fff; }
.btn--red:hover { background: var(--cta-hover); }
.btn--line { color: #fff; border-color: #87918f; background: transparent; }
.btn--line:hover { background: #fff; color: var(--tx); }
.btn--outline { background: transparent; border-color: var(--g-200); color: var(--tx); }
.btn--outline:hover { background: var(--g-50); border-color: var(--g-400); }
.btn--ink { color: #fff; background: var(--g-950); }
.btn--ink:hover { background: #3c4748; }
.btn--lg { min-height: 56px; padding: 0 26px; font-size: 16px; }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: 14px; }
.btn:disabled { opacity: .65; cursor: wait; }
.chat-link { display: inline-flex; flex: none; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 18px; border-radius: 4px; background: var(--cta); color: #fff; font-size: 15px; font-weight: 650; line-height: 1.4; text-decoration: none; vertical-align: middle; transition: background-color .18s; }
.chat-link:hover { background: var(--cta-hover); }
.chat-link--large { min-height: 56px; padding-inline: 24px; font-size: 16px; }
.chat-icon { width: 24px; height: 24px; flex: none; filter: brightness(0) invert(1); }
.nav { position: sticky; top: 0; z-index: 60; background: #fff; color: var(--tx); border-bottom: 1px solid var(--g-150); }
.nav__inner { display: flex; align-items: center; gap: 36px; height: var(--nav-h); }
.nav__brand { flex: none; display: block; }
.nav__brand img { height: 48px; width: auto; }
.nav__menu { display: flex; align-items: center; gap: 24px; flex: 1; }
.nav__menu a { padding: 12px 0; color: var(--tx-body); text-decoration: none; font-size: 14px; font-weight: 550; white-space: nowrap; }
.nav__menu a:hover { color: var(--cta); }
.nav__cta { display: flex; align-items: center; gap: 12px; flex: none; }
.nav__cta .chat-link { min-height: 44px; padding: 10px 16px; font-size: 14px; }
.nav__menu .nav__inquiry { display: none; }
.nav__toggle { display: none; }
/* A readable first screen, framed by the existing workshop photograph. */
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--g-950); color: var(--on-dark-body); }
.hero__img { position: absolute; inset: 0 0 0 auto; z-index: -2; width: 72%; height: 100%; object-fit: cover; object-position: 60% 40%; filter: var(--duo); }
.hero__grade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #181c1e 9%, rgba(24,28,30,.94) 30%, rgba(24,28,30,.5) 57%, rgba(24,28,30,.18) 100%), linear-gradient(0deg, rgba(24,28,30,.75), transparent 60%); }
.hero__inner { display: grid; grid-template-columns: minmax(0,1fr) 352px; align-items: center; gap: 72px; padding-block: 76px 80px; min-height: 702px; }
.hero__kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-bottom: 32px; color: #f1b4a8; font: 550 11px var(--grot); letter-spacing: .12em; }
.hero__kicker span { color: var(--on-dark-mute); letter-spacing: .08em; border-left: 1px solid #65706d; padding-left: 18px; }
.hero h1 { color: #fff; font-size: clamp(46px, 5vw, 72px); font-weight: 650; line-height: 1.2; letter-spacing: -.055em; margin-bottom: 28px; text-wrap: initial; }
.hero h1 em { color: #ed9e8d; font-style: normal; }
.hero__lede { color: #d4dbd8; font-size: 17px; line-height: 1.9; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero__help { margin-top: 16px; font-size: 14px; color: var(--on-dark-body); }
.hero__desk { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; margin-top: 4px; color: var(--on-dark-mute); font-size: 12px; }
.hero__desk a { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 4px; }
.hero__stage { padding-top: 16px; }
.hero__stage-label { display: inline-block; color: #fff; background: rgba(24,28,30,.88); border-radius: 3px; padding: 5px 9px; font-size: 14px; font-weight: 550; margin-bottom: 14px; }
.ticket { overflow: hidden; background: rgba(28,34,36,.96); border: 1px solid #5a6664; border-radius: 8px; color: var(--on-dark-body); }
.ticket__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px; border-bottom: 1px solid var(--g-700); }
.ticket__bar small { display: block; font-size: 11px; color: var(--on-dark-mute); margin-bottom: 5px; }
.ticket__id { font-size: 17px; font-weight: 650; color: #fff; }
.ticket__tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; border-radius: 4px; color: #f4d49b; background: #3c382e; font-size: 10px; font-weight: 600; white-space: nowrap; }
.ticket__tag i { height: 5px; width: 5px; border-radius: 50%; background: currentColor; }
.ticket__spec { display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 4px 10px; padding: 16px 20px; border-bottom: 1px solid var(--g-700); }
.ticket__spec dt { font-size: 11px; color: var(--on-dark-mute); }
.ticket__spec dd { font-size: 12px; line-height: 1.6; }
.ticket__spec .mono { color: #e8ece9; font-size: 11px; }
.ticket__stages { padding: 6px 20px; }
.stage { display: grid; grid-template-columns: 28px minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 9px 0; }
.stage + .stage { border-top: 1px solid #35403f; }
.stage__code { font: 500 10px var(--mono); color: var(--on-dark-mute); }
.stage--done .stage__code { color: var(--lamp-g); }
.stage--now .stage__code { color: var(--lamp-y); }
.stage__label { color: #ecf0ed; font-size: 12px; font-weight: 550; line-height: 1.4; }
.stage__label b { display: none; }
.stage__time { font: 11px var(--grot); color: var(--on-dark-mute); white-space: nowrap; }
.stage--now .stage__label, .stage--now .stage__time { color: var(--lamp-y); }
.ticket__foot { display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--g-700); padding: 13px 20px; font-size: 10px; color: var(--on-dark-mute); }
.ticket__meter { display: grid; grid-template-columns: repeat(6,1fr); gap: 3px; flex: 1; }
.ticket__meter i { height: 3px; background: #55605e; }
.ticket__meter i:nth-child(-n+3) { background: var(--lamp-g); }
.ticket__meter i:nth-child(4) { background: var(--lamp-y); }
.ticket__note { display: inline-block; margin-top: 12px; padding: 4px 7px; border-radius: 3px; background: rgba(24,28,30,.88); font-size: 11px; color: #c4cecb; }
/* Answer the customer's first questions before introducing the services. */
.repair-guide { padding-block: 44px 48px; background: var(--g-50); border-bottom: 1px solid var(--g-200); }
.repair-guide__head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 32px; margin-bottom: 32px; }
.repair-guide h2 { font-size: 26px; font-weight: 600; line-height: 1.4; letter-spacing: -.04em; }
.repair-guide__contact { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.repair-guide__contact p { color: var(--tx-mute); font-size: 13px; }
.repair-guide__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
.repair-guide__grid li { padding-inline: 32px; border-left: 1px solid var(--g-200); }
.repair-guide__grid li:first-child { padding-left: 0; border-left: 0; }
.repair-guide__grid li:last-child { padding-right: 0; }
.repair-guide__number { display: block; margin-bottom: 12px; color: var(--cta); font: 550 12px/1 var(--grot); }
.repair-guide h3 { margin-bottom: 12px; font-size: 20px; font-weight: 600; line-height: 1.5; text-wrap: initial; }
.repair-guide__grid p { max-width: 36ch; font-size: 14px; line-height: 1.85; }
.band { position: relative; padding-block: var(--pad); }
.band--white { background: #fff; }
.band--light { background: var(--g-50); }
.band--tight { padding-top: 72px; }
.band--dark { background: var(--g-920); color: var(--on-dark-body); color-scheme: dark; }
.band--dark h2, .band--dark h3, .band--dark h4 { color: var(--on-dark); }
.sec-head { display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); align-items: end; gap: 18px 64px; margin-bottom: 48px; }
.sec-idx { display: flex; align-items: center; gap: 12px; grid-column: 1/-1; font: 550 11px var(--grot); color: var(--tx-mute); letter-spacing: .12em; text-transform: uppercase; }
.sec-idx b { color: var(--cta); font-weight: 550; }
.band--dark .sec-idx, .opener .sec-idx { color: var(--on-dark-mute); }
.band--dark .sec-idx b, .opener .sec-idx b { color: #ed9e8d; }
.sec-head h2 { font-size: clamp(32px,3.4vw,46px); font-weight: 650; line-height: 1.25; letter-spacing: -.045em; }
.lede { font-size: 16px; color: var(--tx-mute); line-height: 1.85; max-width: 48ch; }
.band--dark .lede, .opener .lede { color: var(--on-dark-body); }
.biz { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.biz__item { display: flex; flex-direction: column; padding: 26px 24px; min-height: 338px; border: 1px solid var(--g-200); border-radius: 6px; background: #fff; color: var(--tx-body); text-decoration: none; transition: border-color .18s, background-color .18s; }
.biz__item:hover { background: var(--g-50); border-color: var(--ct); }
.biz__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 34px; }
.biz__code { font: 550 10px var(--grot); letter-spacing: .05em; color: var(--ct); }
.biz__no { font: 400 24px var(--grot); color: var(--tx-mute); }
.biz__item h3 { font-size: 22px; line-height: 1.4; letter-spacing: -.035em; font-weight: 650; margin-bottom: 14px; }
.biz__item p { color: var(--tx-mute); font-size: 14px; line-height: 1.85; }
.biz__go { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; padding-top: 28px; font-size: 13px; font-weight: 600; color: var(--tx); }
.biz__go i { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--g-200); border-radius: 50%; flex: none; }
.biz__go svg { height: 15px; width: 15px; }
.biz__item:first-child { background: var(--g-920); border-color: var(--g-920); }
.biz__item:first-child:hover { background: #303b3d; }
.biz__item:first-child h3, .biz__item:first-child .biz__go { color: #fff; }
.biz__item:first-child p, .biz__item:first-child .biz__no { color: var(--on-dark-body); }
.biz__item:first-child .biz__code { color: #efa696; }
.biz__item:first-child .biz__go i { border-color: #67716f; }
/* Public repair records, with photographs from the company's own case posts. */
.case-stories { border-bottom: 1px solid var(--g-200); }
.case-channels { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-bottom: 48px; }
.case-channel { display: flex; flex-direction: column; align-items: flex-start; padding: 26px 28px; background: #fff; border: 1px solid var(--g-200); border-radius: 6px; text-decoration: none; transition: border-color .18s; }
.case-channel:hover { border-color: var(--channel-color); }
.case-channel--naver { --channel-color: #167044; }
.case-channel--tistory { --channel-color: #b74133; }
.case-channel--youtube { --channel-color: #b02a31; }
.case-channel__platform { color: var(--channel-color); font: 650 11px var(--grot); letter-spacing: .08em; margin-bottom: 14px; }
.case-channel h3 { font-size: 22px; font-weight: 650; margin-bottom: 8px; }
.case-channel p { font-size: 14px; color: var(--tx-mute); }
.case-channel__go { margin-top: auto; padding-top: 18px; color: var(--tx); font-size: 13px; font-weight: 600; text-decoration: underline; text-underline-offset: 5px; }
.case-stories__subhead { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 20px; }
.case-stories__subhead h3 { font-size: 20px; font-weight: 600; }
.case-stories__subhead p { color: var(--tx-mute); font-size: 13px; }
.repair-stories { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.repair-story { min-width: 0; }
.repair-story__link { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--g-200); border-radius: 6px; overflow: hidden; text-decoration: none; transition: border-color .18s; }
.repair-story__link:hover { border-color: var(--cta); }
.repair-story__photo { aspect-ratio: 4/3; background: var(--g-150); overflow: hidden; border-bottom: 1px solid var(--g-200); }
.repair-story__photo img { width: 100%; height: 100%; object-fit: contain; }
.repair-story__body { display: flex; flex: 1; flex-direction: column; padding: 24px; }
.repair-story__meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 12px; color: var(--tx-mute); margin-bottom: 16px; }
.repair-story__status { padding: 3px 8px; border-radius: 3px; background: #edf5ef; color: #286442; white-space: nowrap; font-size: 11px; font-weight: 600; }
.repair-story h3 { font-size: 21px; line-height: 1.5; font-weight: 600; }
.repair-story__model { font-size: 12px; color: var(--tx-mute); margin-top: 8px; letter-spacing: .02em; }
.repair-story__summary { font-size: 14px; line-height: 1.8; margin-top: 18px; color: var(--tx-body); }
.repair-story__go { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 28px; color: var(--cta); font-size: 13px; font-weight: 650; }
.repair-story__go span { font-size: 11px; font-weight: 400; color: var(--tx-mute); }
.case-stories__browse { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--g-200); }
.case-stories__browse > p { font-size: 14px; font-weight: 600; color: var(--tx); }
.case-stories__categories { display: flex; flex-wrap: wrap; gap: 8px; }
.case-stories__categories a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--g-200); border-radius: 4px; background: #fff; color: var(--tx-body); font-size: 13px; text-decoration: none; }
.case-stories__categories a:hover { border-color: var(--cta); color: var(--cta); }
.case-stories__window { flex-basis: 100%; font-size: 12px; color: var(--tx-mute); }
.foot__channels { display: flex; flex-wrap: wrap; gap: 0 18px; margin-top: 20px; }
.foot .foot__channels a { display: inline-flex; align-items: center; min-height: 44px; color: var(--on-dark); font-size: 13px; text-decoration: underline; text-underline-offset: 5px; }
@media (max-width: 760px) {
  .case-channels, .repair-stories { grid-template-columns: minmax(0,1fr); }
  .case-channels { gap: 12px; margin-bottom: 40px; }
  .case-channel { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 0 14px; padding: 22px; }
  .case-channel__platform { grid-column: 1/-1; margin-bottom: 8px; }
  .case-channel h3 { font-size: 20px; }
  .case-channel p { grid-column: 1/-1; }
  .case-channel__go { grid-row: 2; grid-column: 2; padding: 0; align-self: center; margin: 0 0 8px; font-size: 12px; }
  .case-stories__subhead h3 { font-size: 19px; }
  .repair-story__body { padding: 22px; }
  .repair-story h3 { font-size: 21px; }
  .case-stories__browse { gap: 16px; }
}

/* Photography and equipment */
.opener { position: relative; isolation: isolate; overflow: hidden; background: var(--g-950); color: var(--on-dark-body); }
.opener__media { position: absolute; inset: 0; z-index: -1; }
.opener__media img { height: 100%; width: 100%; object-fit: cover; filter: var(--duo); }
.opener__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(24,28,30,.96) 10%,rgba(24,28,30,.84) 40%,rgba(24,28,30,.14)); }
.opener__inner { padding-block: 90px; }
.opener .sec-head { grid-template-columns: minmax(0,1fr); max-width: 620px; margin: 0; gap: 22px; }
.opener h2 { color: #fff; }
.opener__cap { position: absolute; bottom: 20px; right: var(--gut); font-size: 11px; color: #e1e7e3; padding: 4px 9px; background: #202628d9; border-radius: 3px; }
.catalog-band { background: var(--g-50); padding-block: 52px; }
.catalog { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; border: 1px solid var(--g-200); background: var(--g-200); border-radius: 6px; overflow: hidden; }
.eq { --icon-bg: #fff; background: #fff; padding: 24px; }
.eq__no { display: flex; justify-content: space-between; color: var(--tx-mute); font: 10px var(--mono); }
.eq__icon { width: 64px; height: 64px; margin: 22px 0; color: var(--tx); }
.eq__icon .ln { fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: miter; stroke-linecap: butt; }
.eq__icon .bgf { fill: var(--icon-bg); }
.eq__icon .acf { fill: var(--brand-red); stroke: none; }
.eq__icon .acs { fill: none; stroke: var(--brand-red); stroke-width: 2.4; }
.eq h3 { font-size: 18px; font-weight: 650; margin-bottom: 7px; }
.eq p { font-size: 13px; color: var(--tx-mute); }
.catalog-note { margin-top: 20px; font-size: 13px; color: var(--tx-mute); }
.makers { background: var(--g-50); padding-block: 6px 54px; }
.makers__head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.makers__head h3 { font-size: 15px; font-weight: 600; }
.makers__head > span { font: 10px var(--grot); letter-spacing: .12em; color: var(--tx-mute); }
.makers__grid { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 16px 20px; }
.makers__grid li { padding-block: 8px; }
.makers__grid i { display: none; }
.makers__grid b { font: 550 14px var(--grot); color: var(--tx-mute); word-break: normal; overflow-wrap: anywhere; }
/* Six static stages. Labels describe the service, not a live machine state. */
.line { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; }
.st { display: flex; flex-direction: column; border-top: 1px solid #66726f; padding-top: 20px; }
.st__unit { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.st__code { font: 500 18px var(--mono); color: #ed9e8d; }
.st__sms { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--on-dark-mute); }
.st__sms svg { height: 13px; width: 13px; }
.st__sms--m { display: none; }
.st__body { display: flex; flex-direction: column; flex: 1; padding-top: 18px; }
.st__body h3 { font-size: 21px; font-weight: 600; margin-bottom: 10px; }
.st__body p { color: var(--on-dark-body); font-size: 14px; max-width: 40ch; }
.st__sla { margin-top: auto; padding-top: 20px; }
.st__sla div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.st__sla b { font-size: 17px; color: #fff; font-weight: 600; }
.st__sla span { font-size: 12px; color: var(--on-dark-mute); }
.line-foot { border-top: 1px solid var(--g-700); margin-top: 36px; padding-top: 22px; color: var(--on-dark-mute); font-size: 12px; max-width: 90ch; }
/* Principles and sourcing */
.why { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 72px; align-items: start; }
.why .sec-head { grid-template-columns: minmax(0,1fr); gap: 24px; margin-bottom: 32px; }
.photo { position: relative; overflow: hidden; border-radius: 6px; background: var(--g-900); }
.photo img { width: 100%; height: 100%; object-fit: cover; filter: var(--duo); }
.photo figcaption { position: absolute; bottom: 12px; left: 12px; padding: 4px 9px; border-radius: 3px; font-size: 11px; color: #fff; background: #202628db; }
.why__photo { aspect-ratio: 4/3; }
.why__list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 32px; }
.why__list li { border-top: 1px solid var(--g-200); padding: 24px 0; }
.why__no { display: block; font: 500 13px var(--grot); color: var(--cta); margin-bottom: 18px; }
.why__list h3 { font-size: 18px; font-weight: 650; margin-bottom: 12px; }
.why__list p { color: var(--tx-mute); font-size: 14px; line-height: 1.85; }
.proc { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; counter-reset: p; }
.proc li { border-top: 1px solid var(--g-200); padding-top: 22px; counter-increment: p; }
.proc li::before { content: counter(p,decimal-leading-zero); display: block; font: 500 13px var(--grot); color: var(--c-source-tx); margin-bottom: 18px; }
.proc b { display: block; font-size: 20px; font-weight: 600; color: var(--tx); margin-bottom: 8px; }
.proc p { font-size: 14px; color: var(--tx-mute); }
.src-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 44px; }
.callout { background: #fff; border: 1px solid var(--g-200); border-left: 3px solid var(--c); border-radius: 4px; padding: 24px; }
.callout strong { display: block; font-size: 17px; font-weight: 600; color: var(--tx); margin-bottom: 10px; }
.callout p { color: var(--tx-mute); font-size: 14px; }
.src-cta { grid-column: 1/-1; margin-top: 6px; }
/* R&D: preserve the source concept diagram and its disclaimer. */
.phm-band { isolation: isolate; overflow: hidden; }
.phm-band__bg { position: absolute; inset: 0; z-index: -2; background: url('assets/photos/pcb-bench.webp') right center/cover no-repeat; opacity: .16; }
.phm-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,#202628,rgba(32,38,40,.4)); }
.phm { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); align-items: center; gap: 64px; }
.phm__copy h3 { font-size: 25px; font-weight: 600; line-height: 1.5; margin-bottom: 20px; }
.phm__copy > p { font-size: 15px; line-height: 1.9; color: var(--on-dark-body); }
.certs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 30px; }
.certs li { display: flex; align-items: flex-start; gap: 10px; color: var(--on-dark-body); font-size: 12px; }
.certs svg { width: 20px; height: 20px; flex: none; fill: none; stroke: #ed9e8d; stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.scada { background: #181c1e; border: 1px solid var(--g-700); border-radius: 6px; overflow: hidden; }
.scada__bar { display: flex; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--g-700); font-size: 12px; color: var(--on-dark-body); }
.scada__lamps { display: none; }
.scada svg { display: block; width: 100%; height: auto; padding: 18px 16px 6px; }
.scada .scada__m { display: none; }
.scada figcaption { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; padding: 14px 18px; font-size: 11px; color: var(--on-dark-mute); border-top: 1px solid var(--g-700); }
.scada__legend { display: flex; flex-wrap: wrap; gap: 12px; }
.scada__legend span { display: flex; align-items: center; gap: 6px; }
.scada__legend i { height: 3px; width: 12px; background: currentColor; }
/* Company and FAQ */
.co-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 48px; margin-bottom: 48px; }
.co-head .sec-head { grid-template-columns: 1fr; gap: 24px; margin: 0; }
.co-year { font: 500 clamp(88px,10vw,148px)/1 var(--grot); color: var(--g-200); letter-spacing: -.06em; }
.sheet-table { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px; padding-top: 28px; border-top: 1px solid var(--g-200); }
.sheet-table dt { color: var(--tx-mute); font-size: 12px; margin-bottom: 8px; }
.sheet-table dd { color: var(--tx); font-size: 15px; }
.faq-wrap { display: grid; grid-template-columns: minmax(0,4fr) minmax(0,8fr); gap: 72px; align-items: start; }
.faq-wrap .sec-head { grid-template-columns: 1fr; margin-bottom: 0; }
.faq-desk { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--g-200); }
.faq-desk p { font-size: 13px; color: var(--tx-mute); }
.faq-desk .chat-link { margin-block: 12px 16px; }
.faq-desk__mail a { text-underline-offset: 4px; }
.faq { border-top: 1px solid var(--tx); }
.faq details { border-bottom: 1px solid var(--g-200); }
.faq summary { list-style: none; display: grid; grid-template-columns: 38px minmax(0,1fr) 28px; align-items: center; gap: 14px; padding: 25px 0; cursor: pointer; color: var(--tx); font-size: 17px; font-weight: 550; }
.faq summary::-webkit-details-marker { display: none; }
.faq .q { font: 11px var(--grot); color: var(--tx-mute); }
.faq summary::after { content: '+'; font-size: 23px; font-weight: 350; text-align: center; color: var(--tx-mute); }
.faq details[open] summary::after { content: '−'; }
.faq summary:hover { color: var(--cta); }
.faq__a { padding: 0 42px 26px 52px; font-size: 15px; line-height: 1.85; color: var(--tx-mute); }
/* Intake */
.intake { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 72px; align-items: start; }
.intake__side { position: sticky; top: calc(var(--nav-h) + 28px); }
.contact-list { border-top: 1px solid #81908b; }
.contact-list li { border-bottom: 1px solid var(--g-700); }
.contact-list > li > a, .contact-list > li > div { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 22px 0; text-decoration: none; }
.contact-list b { font-size: 13px; font-weight: 400; color: var(--on-dark-mute); }
.contact-list span { font-size: 15px; color: #fff; overflow-wrap: anywhere; }
.contact-list .contact-list__chat { display: block; padding-block: 24px 28px; }
.contact-list__chat .contact-list__eyebrow { margin-bottom: 12px; color: #ed9e8d; font-size: 12px; }
.contact-list__chat h3 { font-size: 26px; font-weight: 600; line-height: 1.45; margin-bottom: 12px; }
.contact-list__chat p { color: var(--on-dark-body); font-size: 14px; }
.contact-list__chat .chat-link { margin-top: 20px; }
.contact-list__chat .contact-list__hours { margin-top: 12px; color: var(--on-dark-mute); font-size: 12px; }
.contact-list > li > a:hover span { color: #ed9e8d; }
.urgent { margin-top: 28px; padding: 24px; border: 1px solid var(--g-700); border-radius: 6px; }
.urgent strong { display: block; color: #f0b4a7; font-size: 17px; font-weight: 550; margin-bottom: 10px; }
.urgent p { font-size: 13px; color: var(--on-dark-body); line-height: 1.85; }
.wo { --focus: var(--cta); color-scheme: light; background: #fff; color: var(--tx-body); border-radius: 8px; overflow: hidden; }
.wo__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 24px 28px; border-bottom: 1px solid var(--g-200); }
.wo__bar h3 { color: var(--tx); font-size: 20px; font-weight: 600; }
.wo__bar span { font-size: 12px; color: var(--tx-mute); }
.wo__bar b, .field .req { color: var(--cta); }
.form { display: grid; gap: 20px; padding: 28px; }
.form__row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field label { font-size: 13px; color: var(--tx-body); font-weight: 550; }
.field input, .field select, .field textarea { width: 100%; min-width: 0; min-height: 48px; padding: 12px; font: 16px/1.5 var(--sans); color: var(--tx); background: #fff; border: 1px solid #adb7b3; border-radius: 4px; }
.field input::placeholder, .field textarea::placeholder { color: #717b78; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--cta); outline-offset: 2px; }
.field textarea { min-height: 112px; resize: vertical; }
.field--error input, .field--error select, .field--error textarea { border-color: #b23a2d; }
.field--error label { color: #b23a2d; }
.form__submit { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; padding-top: 6px; }
.form__hint { font-size: 12px; color: var(--tx-mute); }
.field--check { gap: 6px; }
.consent { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.field .consent input { width: 20px; height: 20px; min-height: 0; padding: 0; flex: none; accent-color: var(--cta); }
.consent__more summary { width: fit-content; min-height: 44px; padding-block: 10px; font-size: 13px; color: var(--tx-mute); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.consent__more dl { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 6px 12px; margin: 12px 0; font-size: 13px; }
.consent__more dt { color: var(--tx-mute); }
.consent__more dd { color: var(--tx); }
.consent__more p { font-size: 13px; color: var(--tx-mute); }
.consent__more a { color: var(--cta); text-underline-offset: 3px; }
.form__result { background: var(--g-50); border-left: 3px solid var(--lamp-g); padding: 20px; }
.form__result h4 { font-size: 17px; color: var(--tx); margin-bottom: 14px; }
.form__result dl { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 8px 12px; margin-bottom: 16px; }
.form__result dt { color: var(--tx-mute); font-size: 12px; }
.form__result dd { color: var(--tx); font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.form__result p { font-size: 14px; color: var(--tx-body); }
.form__result a { color: var(--cta); text-underline-offset: 3px; }
.form__result .chat-link { margin-top: 14px; color: #fff; }
/* Footer and mobile contact dock */
.foot { background: var(--g-990); color: var(--on-dark-mute); border-top: 1px solid var(--g-700); }
.foot__top { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 56px; padding-block: 64px 48px; }
.foot__brand img { width: auto; height: 48px; }
.foot__brand p { font-size: 13px; max-width: 36ch; margin-top: 20px; }
.foot__h { font: 500 11px var(--grot); letter-spacing: .12em; color: var(--on-dark-mute); text-transform: uppercase; margin-bottom: 20px; }
.foot li + li { margin-top: 10px; }
.foot li, .foot a { color: var(--on-dark-body); font-size: 13px; text-decoration: none; }
.foot a:hover { color: #ed9e8d; }
.foot .chat-link, .foot .chat-link:hover { color: #fff; font-size: 14px; }
.foot li.foot__phone { margin-block: 20px 12px; }
.foot__phone > span { display: block; color: var(--on-dark-mute); font-size: 12px; }
.foot__phone > a { display: inline-flex; align-items: center; min-height: 44px; font-family: var(--grot); font-size: 24px; font-weight: 600; letter-spacing: .01em; color: var(--on-dark); }
.foot .foot__privacy { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; font-weight: 700; color: var(--on-dark); }
.foot__legal { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 28px; padding-block: 24px 32px; font-size: 11px; border-top: 1px solid #353e3c; }
.dock { display: none; position: fixed; bottom: 0; inset-inline: 0; z-index: 70; background: var(--g-950); border-top: 1px solid #5f6b67; padding-bottom: env(safe-area-inset-bottom); }
.dock a { display: flex; align-items: center; justify-content: center; gap: 10px; flex: 1; min-height: 56px; color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; }
.dock .chat-link { flex: 1.2; border-radius: 0; }
.dock .chat-link:hover { background: var(--cta-hover); }
.dock a:focus-visible { outline-offset: -6px; }
.dock .is-primary { background: var(--cta); }
@media (max-width: 1180px) {
  .nav__inner { gap: 24px; } .nav__menu { gap: 16px; }
  .hero__inner { gap: 36px; grid-template-columns: minmax(0,1fr) 320px; }
  .hero h1 { font-size: 55px; }
  .biz { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .biz__item { min-height: 280px; }
  .why, .phm, .intake, .faq-wrap { gap: 40px; }
  .repair-guide__grid li { padding-inline: 24px; }
}
@media (max-width: 1180px) {
  .nav__menu { display: none; }
  .nav__menu.is-open { display: flex; flex-direction: column; align-items: stretch; position: absolute; inset: 100% 0 auto; padding: 12px var(--gut) 20px; gap: 0; background: #fff; border-bottom: 1px solid var(--g-200); max-height: calc(100dvh - var(--nav-h) - 76px); overflow-y: auto; }
  .nav__menu a { padding: 14px 0; font-size: 16px; }
  .nav__menu .nav__inquiry { display: block; color: var(--cta); font-weight: 650; }
  .nav__toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-left: auto; padding: 0; border: 1px solid var(--g-200); border-radius: 4px; background: #fff; cursor: pointer; }
  .nav__toggle span { width: 18px; height: 1.5px; background: var(--tx); position: relative; }
  .nav__toggle span::before, .nav__toggle span::after { content: ''; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--tx); }
  .nav__toggle span::before { top: -5px; } .nav__toggle span::after { top: 5px; }
  .nav__toggle[aria-expanded=true] { border-color: var(--cta); }
  .nav__toggle[aria-expanded=true] span { background: transparent; }
  .nav__toggle[aria-expanded=true] span::before { top: 0; transform: rotate(45deg); }
  .nav__toggle[aria-expanded=true] span::after { top: 0; transform: rotate(-45deg); }
  .nav__cta { display: none; }
}
@media (max-width: 1040px) {
  :root { --nav-h: 72px; }
  .hero__inner { grid-template-columns: minmax(0,1fr) 304px; gap: 28px; }
  .hero h1 { font-size: clamp(40px,5.3vw,55px); }
  .hero__lede { font-size: 15px; }
  .hero__kicker { font-size: 10px; }
  .hero__kicker span { border-left: 0; padding-left: 0; }
  .sec-head { gap: 18px 36px; }
  .catalog { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .eq { padding: 20px; } .eq h3 { font-size: 16px; }
  .makers__grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .why, .phm, .intake, .faq-wrap { grid-template-columns: minmax(0,1fr); }
  .why__top { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
  .why .sec-head { margin: 0; }
  .intake__side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
  .urgent { margin-top: 0; }
  .co-head { grid-template-columns: 1fr; } .co-year { display: none; }
}
@media (max-width: 760px) {
  :root { --nav-h: 68px; --gut: 24px; --pad: 72px; }
  .nav__brand img { height: 42px; }
  .hero__inner { grid-template-columns: minmax(0,1fr); gap: 46px; min-height: 0; padding-block: 54px 48px; }
  .hero__img { width: 100%; height: 620px; object-position: 62% 35%; }
  .hero__grade { background: linear-gradient(90deg,rgba(24,28,30,.95),rgba(24,28,30,.63)), linear-gradient(0deg,#181c1e 30%,transparent 75%); }
  .hero__kicker { font-size: 10px; gap: 10px 16px; margin-bottom: 26px; }
  .hero__kicker span { border-left: 1px solid #65706d; padding-left: 16px; }
  .hero h1 { font-size: clamp(36px,9.4vw,58px); margin-bottom: 22px; line-height: 1.25; }
  .hero__lede { font-size: 15px; }
  .hero__actions { margin-top: 28px; gap: 10px; }
  .hero__actions .btn { padding-inline: 16px; gap: 14px; font-size: 14px; min-height: 50px; }
  .hero__actions .chat-link { min-height: 50px; padding-inline: 16px; font-size: 14px; }
  .hero__help { font-size: 13px; }
  .hero__desk { gap: 2px 14px; }
  .hero__stage { padding-top: 0; }
  .hero__stage-label { font-size: 13px; }
  .ticket__note { font-size: 10px; }
  .repair-guide { padding-block: 36px 40px; }
  .repair-guide__head { align-items: flex-start; gap: 16px; margin-bottom: 28px; }
  .repair-guide h2 { font-size: 24px; }
  .repair-guide__contact { width: 100%; justify-content: space-between; }
  .repair-guide__grid { grid-template-columns: minmax(0,1fr); }
  .repair-guide__grid li { position: relative; padding: 24px 0 24px 32px; border-left: 0; border-top: 1px solid var(--g-200); }
  .repair-guide__grid li:first-child { padding-left: 32px; }
  .repair-guide__grid li:last-child { padding-bottom: 0; }
  .repair-guide__number { position: absolute; top: 31px; left: 0; margin: 0; }
  .repair-guide h3 { margin-bottom: 8px; font-size: 18px; }
  .repair-guide__grid p { max-width: none; }
  .sec-head { grid-template-columns: minmax(0,1fr); gap: 20px; margin-bottom: 32px; }
  .sec-head h2 { font-size: 32px; } .lede { font-size: 15px; }
  .biz { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .biz__item { padding: 24px; min-height: 0; }
  .biz__top { margin-bottom: 20px; } .biz__go { padding-top: 24px; }
  .opener__inner { padding-block: 64px 76px; }
  .opener__media::after { background: linear-gradient(90deg,rgba(24,28,30,.94),rgba(24,28,30,.65)); }
  .opener__cap { font-size: 10px; left: var(--gut); right: auto; }
  .catalog { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .eq { padding: 18px; } .eq__icon { width: 52px; height: 52px; margin-block: 20px; }
  .eq h3 { font-size: 16px; } .eq p { font-size: 12px; }
  .makers__grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
  .makers__grid b { font-size: 12px; } .makers__head > span { display: none; }
  .line { grid-template-columns: minmax(0,1fr); gap: 26px; }
  .st { display: grid; grid-template-columns: 38px minmax(0,1fr); gap: 18px; }
  .st__unit { align-items: flex-start; padding-top: 3px; }
  .st__unit .st__sms { display: none; } .st__sms--m { display: inline-flex; margin-bottom: 10px; }
  .st__body { padding-top: 0; } .st__sla { padding-top: 14px; }
  .st__body h3 { font-size: 20px; }
  .why__top { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .why__list { grid-template-columns: minmax(0,1fr); }
  .why__list li { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 8px 14px; }
  .why__no { padding-top: 6px; margin: 0; grid-row: span 2; }
  .why__list h3 { margin: 0; } .why__list p { grid-column: 2; }
  .proc { grid-template-columns: minmax(0,1fr); gap: 22px; }
  .proc li { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 8px 14px; }
  .proc li::before { margin: 0; padding-top: 8px; grid-row: span 2; }
  .proc b { margin: 0; } .proc p { grid-column: 2; }
  .src-notes { grid-template-columns: minmax(0,1fr); }
  .phm__copy h3 { font-size: 22px; }
  .certs { gap: 20px; }
  .scada .scada__d { display: none; } .scada .scada__m { display: block; padding: 16px 8px 6px; }
  .sheet-table { grid-template-columns: minmax(0,1fr); gap: 22px; }
  .faq summary { grid-template-columns: 30px minmax(0,1fr) 20px; gap: 10px; font-size: 16px; padding-block: 22px; }
  .faq__a { padding: 0 0 24px 40px; font-size: 14px; }
  .intake__side { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .wo__bar { padding: 22px; } .form { padding: 22px; }
  .form__row { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .form__submit .btn { width: 100%; }
  .foot__top { grid-template-columns: minmax(0,1fr); gap: 32px; padding-block: 48px 36px; }
  .foot__legal { gap: 10px; flex-direction: column; align-items: flex-start; }
  .dock { display: flex; }
  /* 장식 번호와 예시 개념도만 생략하고 고객 판단에 필요한 사진·설명은 유지합니다. */
  .phm .scada, .eq__no { display: none; }
  .why__list li { padding-block: 18px; }
  .opener__inner { padding-block: 48px 56px; }
  .eq__icon { margin-block: 0 14px; }
  body { padding-bottom: calc(57px + env(safe-area-inset-bottom)); }
}
@media (max-width: 360px) {
  :root { --gut: 20px; }
  .hero__kicker span { border: 0; padding: 0; }
  .hero h1 { font-size: 32px; }
  .hero__actions .btn { padding-inline: 12px; gap: 10px; font-size: 13px; }
  .hero__actions > a { width: 100%; }
  .sec-head h2 { font-size: 29px; }
  .eq { padding: 14px; } .eq h3 { font-size: 15px; }
  .certs { grid-template-columns: minmax(0,1fr); }
  .ticket__bar, .ticket__spec, .ticket__stages, .ticket__foot { padding-inline: 16px; }
  .ticket__id { font-size: 15px; }
  .ticket__tag { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}