/* ==========================================================================
   lab4.css — 부성TK 랜딩 리디자인 시안 (DC → 정적 재구현) 공통 셸
   메인·하위 페이지가 공유한다. 변수·클래스 계약은 lab4/README-shell.md 참조.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root{
  /* 색 — 색 치환표(README-shell.md 참조): #ea580c→#EA5E18, #c2410c→#c2500f, #fff7ed→#fafafa */
  --lab-primary:#f97316;
  --lab-primary-rgb:249,115,22;
  --lab-accent:#EA5E18;
  --lab-accent-rgb:234,94,24;
  --lab-accent-hover:#c2500f;
  --lab-accent-text:#c2500f;    /* 흰 배경 위 16px 이하 본문 링크·아이브로 전용 — 대비 확보 (버튼 배경·큰 숫자·H2 둘째 줄은 --lab-accent 유지) */
  --lab-warm:#fdba74;
  --lab-warm-rgb:253,186,116;
  --lab-tint:#fafafa;           /* 구 아이보리 #fff7ed 대체 */
  --lab-tint-border:#fed7aa;    /* 그대로 */

  --lab-dark:#0c0c0c;
  --lab-dark-2:#1C1917;
  --lab-dark-3:#161616;

  --lab-light:#fff;
  --lab-light-2:#fafafa;
  --lab-light-3:#f5f5f5;

  --lab-text:#1a1a1a;
  --lab-text-2:#111;
  --lab-text-3:#666;
  --lab-text-4:#737373;
  --lab-text-5:#999;
  --lab-text-inverse:#f0f0f0;
  --lab-text-inverse-2:#d4d4d4;

  --lab-border:#e5e5e5;
  --lab-border-2:#f0f0f0;
  --lab-border-dark:rgba(255,255,255,.08);

  --lab-gradient:linear-gradient(135deg,var(--lab-primary),var(--lab-accent));
  --lab-gradient-90:linear-gradient(90deg,var(--lab-primary),var(--lab-accent));

  --lab-shadow-card:0 6px 20px rgba(0,0,0,.08);
  --lab-shadow-cta:0 6px 24px rgba(var(--lab-primary-rgb),.25);
  --lab-shadow-cta-hover:0 8px 30px rgba(var(--lab-primary-rgb),.35);

  --lab-radius-card:12px;
  --lab-radius-card-lg:20px;
  --lab-radius-pill:50px;
  --lab-radius-chip:20px;
  --lab-radius-input:8px;

  --lab-container:1120px;
  --lab-gutter:20px;
  --lab-section-pad:clamp(4rem,8vw,6rem);
}

/* ---------- Base / reset ---------- */
.lab-root,
.lab-root *{box-sizing:border-box}
/* 브라우저 기본 8px 여백 제거 — 없으면 페이지 가장자리에 흰 띠가 돈다(2026-09-23 라이브에서 발견) */
html,body{margin:0;padding:0}
html{background:#0c0c0c}
.lab-root{
  font-family:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  color:var(--lab-text);
  -webkit-font-smoothing:antialiased;
  background:var(--lab-light);
}
:where(.lab-root) a{color:var(--lab-accent-text);text-decoration:none}
:where(.lab-root) a:hover{color:var(--lab-accent)}
.lab-root img{max-width:100%;display:block}
.lab-root :focus-visible{outline:2px solid var(--lab-primary);outline-offset:2px}
.lab-root button{font:inherit}

/* ---------- Layout ---------- */
.lab-container{max-width:var(--lab-container);margin:0 auto;padding:0 var(--lab-gutter)}
.lab-section{padding:var(--lab-section-pad) var(--lab-gutter)}
.lab-section > .lab-container{padding:0}
.lab-section--white{background:var(--lab-light)}
.lab-section--tint{background:var(--lab-tint);border-top:1px solid var(--lab-tint-border)}
.lab-section--dark{background:var(--lab-dark)}
.lab-section--dark2{background:var(--lab-dark-2)}
.lab-section--dark-border{background:var(--lab-dark);border-top:1px solid var(--lab-border-dark)}

.lab-nav-spacer{height:64px}

.lab-grid{display:grid;gap:24px}
.lab-grid--auto-sm{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.lab-grid--auto-md{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.lab-grid--auto-lg{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.lab-grid--auto-400{grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr))}
.lab-grid--gap16{gap:16px}
.lab-grid--gap40{gap:40px}
.lab-grid--gap48{gap:48px}
.lab-grid--center{align-items:center}
.lab-grid--start{align-items:start}

/* ---------- Typography ---------- */
.lab-eyebrow{color:var(--lab-accent-text);font-size:13px;font-weight:700;letter-spacing:.12em}
.lab-eyebrow--warm{color:var(--lab-warm)}
.lab-eyebrow--inverse{color:var(--lab-text-inverse)}

.lab-h1{
  margin:0;color:var(--lab-light);font-size:clamp(2rem,5.4vw,3.6rem);
  font-weight:800;letter-spacing:-.03em;line-height:1.18;
}
.lab-h2{
  margin:12px 0 0;font-size:clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--lab-text-2);
}
.lab-h2--inverse{color:var(--lab-light)}
.lab-h3{
  margin:10px 0 0;font-size:clamp(1.3rem,2.6vw,1.8rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--lab-text-2);
}
.lab-h3--inverse{color:var(--lab-light)}
.lab-accent-line{color:var(--lab-accent)}
.lab-accent-line--warm{color:var(--lab-warm)}

.lab-lede{margin:16px 0 0;color:var(--lab-text-3);font-size:16px;line-height:1.7}
.lab-lede--inverse{color:var(--lab-text-5)}
.lab-lede--sm{font-size:14px;line-height:1.7}
.lab-caption{color:var(--lab-text-4);font-size:12px;line-height:1.6}
.lab-caption--inverse{color:#8a8a8a}

/* ---------- Buttons ---------- */
.lab-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--lab-radius-pill);font-weight:700;font-size:16px;
  padding:16px 28px;min-height:44px;cursor:pointer;border:0;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.lab-btn--sm{font-size:14px;padding:12px 18px;min-height:40px}
.lab-btn--sm44{font-size:14px;padding:12px 18px;min-height:44px}  /* 인라인 링크 → 버튼 전환용, 터치 44px 확보 */
.lab-btn--primary{
  background:var(--lab-gradient);color:#fff;box-shadow:var(--lab-shadow-cta);
}
.lab-btn--primary:hover{color:#fff;box-shadow:var(--lab-shadow-cta-hover);transform:translateY(-2px)}
.lab-btn--solid{background:var(--lab-accent);color:#fff}
.lab-btn--solid:hover{background:var(--lab-accent-hover);color:#fff}
.lab-btn--dark{background:var(--lab-dark-2);color:#fff}
.lab-btn--dark:hover{background:#292524;color:#fff}
.lab-btn--outline{
  border:1px solid rgba(255,255,255,.25);color:var(--lab-text-inverse);background:transparent;
}
.lab-btn--outline:hover{border-color:var(--lab-warm);color:#fff}
.lab-btn--outline-light{
  border:1px solid var(--lab-border);color:var(--lab-text-2);background:transparent;
}
.lab-btn--outline-light:hover{border-color:var(--lab-accent);color:var(--lab-accent)}
.lab-btn--tabular{font-variant-numeric:tabular-nums}

/* ---------- Chips ---------- */
.lab-chip{
  display:inline-flex;border:1px solid rgba(var(--lab-warm-rgb),.4);color:var(--lab-warm);
  font-size:15px;font-weight:700;padding:7px 14px;border-radius:var(--lab-radius-chip);
}

/* ---------- Cards ---------- */
.lab-card{
  border-radius:var(--lab-radius-card);background:#fff;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.lab-card--hover:hover{transform:translateY(-2px);box-shadow:var(--lab-shadow-card)}
.lab-card--hover-dark:hover{border-color:rgba(var(--lab-accent-rgb),.3)}
.lab-card--20{
  border-radius:var(--lab-radius-card-lg);overflow:hidden;background:#fff;
  border:1px solid var(--lab-tint-border);box-shadow:var(--lab-shadow-card);
}
.lab-card--20 .lab-card__strip{height:4px;background:var(--lab-gradient-90)}

/* ---------- Nav ---------- */
.lab-nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(12,12,12,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--lab-border-dark);
  font-family:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
.lab-nav--light{
  background:rgba(255,255,255,.88);border-bottom:1px solid var(--lab-border);
}
.lab-nav__bar{
  max-width:var(--lab-container);margin:0 auto;padding:0 var(--lab-gutter);
  height:64px;display:flex;align-items:center;gap:16px;
}
.lab-nav__logo{display:flex;align-items:center;gap:10px;color:var(--lab-text-inverse)}
.lab-nav--light .lab-nav__logo{color:var(--lab-text-2)}
.lab-nav__mark{
  width:30px;height:30px;border-radius:8px;background:var(--lab-accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:13px;flex:none;
}
.lab-nav__name{font-weight:800;font-size:16px;letter-spacing:-.02em}
.lab-nav__back{display:flex;align-items:center;gap:8px;color:var(--lab-text-3);font-size:14px;font-weight:600}
.lab-nav__back:hover{color:var(--lab-accent)}
.lab-nav__links{display:flex;gap:14px;flex:1;flex-wrap:nowrap;overflow:hidden;font-size:14px;font-weight:500;white-space:nowrap}
.lab-nav__links a{color:var(--lab-text-5)}
.lab-nav__links a:hover{color:#fff}
.lab-nav--light .lab-nav__links a{color:var(--lab-text-3)}
.lab-nav--light .lab-nav__links a:hover{color:var(--lab-text-2)}
.lab-nav__links a.lab-nav__guide-link{color:var(--lab-warm)}
.lab-nav__links a.lab-nav__guide-link:hover{color:#fff}
.lab-nav--light .lab-nav__links a.lab-nav__guide-link{color:var(--lab-accent)}
.lab-nav--light .lab-nav__links a.lab-nav__guide-link:hover{color:var(--lab-accent-hover)}
.lab-nav__menu-btn{
  cursor:pointer;min-height:44px;padding:0 14px;border-radius:20px;
  border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--lab-text-inverse);
  font-size:14px;font-weight:600;
}
.lab-nav--light .lab-nav__menu-btn{border-color:var(--lab-border);color:var(--lab-text-2)}
.lab-nav__menu-btn[aria-expanded="true"]{background:rgba(255,255,255,.1)}
.lab-nav--light .lab-nav__menu-btn[aria-expanded="true"]{background:var(--lab-light-3)}
.lab-nav__phone{color:var(--lab-text-inverse);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.lab-nav--light .lab-nav__phone{color:var(--lab-text-2)}
.lab-nav__phone:hover{color:var(--lab-warm)}
.lab-nav--light .lab-nav__phone:hover{color:var(--lab-accent)}
.lab-nav__cta{
  background:var(--lab-accent);color:#fff;font-weight:700;font-size:14px;
  padding:10px 18px;border-radius:50px;flex:none;min-height:44px;display:inline-flex;align-items:center;
}
.lab-nav__cta:hover{background:var(--lab-accent-hover);color:#fff}

@media (max-width:900px){
  .lab-nav__links{display:none}
}

/* ---------- Full menu panel ---------- */
.lab-menu{border-top:1px solid var(--lab-border-dark);background:var(--lab-dark);max-height:calc(100vh - 64px);max-height:calc(100dvh - 64px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.lab-nav--light + .lab-menu,
.lab-menu--light{border-top:1px solid var(--lab-border);background:var(--lab-light)}
.lab-menu[hidden]{display:none}
.lab-menu__inner{
  max-width:var(--lab-container);margin:0 auto;padding:24px var(--lab-gutter) 28px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;
}
.lab-menu__group-title{color:var(--lab-warm);font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.lab-menu--light .lab-menu__group-title,
.lab-menu__group-title--light{color:var(--lab-accent)}
.lab-menu__links{display:grid;gap:2px}
.lab-menu__links a{
  display:block;font-size:15px;font-weight:600;padding:9px 10px;border-radius:8px;color:#d4d4d4;
}
.lab-menu__links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.lab-menu--light .lab-menu__links a,
.lab-menu__links--light a{color:var(--lab-text);}
.lab-menu--light .lab-menu__links a:hover,
.lab-menu__links--light a:hover{color:var(--lab-text-2);background:var(--lab-light-3)}

/* ---------- Trust block (하위 페이지 공용 컴포넌트) ---------- */
.lab-trust{padding:var(--lab-section-pad) var(--lab-gutter);background:var(--lab-dark)}
.lab-trust__stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;
  background:var(--lab-border-dark);border:1px solid var(--lab-border-dark);
  border-radius:var(--lab-radius-card);overflow:hidden;
}
.lab-stat-cell{background:var(--lab-dark);padding:24px}
.lab-stat-num{color:#fff;font-size:40px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.lab-stat-cell--sm .lab-stat-num{font-size:34px}
.lab-stat-unit{font-size:20px;color:var(--lab-warm);margin-left:2px}
.lab-stat-cell--sm .lab-stat-unit{font-size:17px}
.lab-stat-label{color:var(--lab-text-5);font-size:14px;margin-top:6px;line-height:1.5}
.lab-bonds{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;
  padding:16px 20px;border:1px solid var(--lab-border-dark);border-radius:var(--lab-radius-card);
}
.lab-bonds b.lab-bonds__title{color:var(--lab-text-inverse);font-size:14px}
.lab-bonds span{color:var(--lab-text-inverse-2);font-size:14px}
.lab-bonds span b{color:var(--lab-warm)}
.lab-bonds .lab-bonds__note{color:var(--lab-text-5);font-size:13px}
.lab-trust__foot{color:#8a8a8a;font-size:12px;margin-top:14px;line-height:1.6}

/* ---------- Marquee ---------- */
.lab-marquee-wrap{margin-top:20px;display:grid;gap:10px}
.lab-marquee{
  overflow:hidden;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.lab-marquee:hover .lab-marquee__track{animation-play-state:paused}
.lab-marquee__track{display:flex;gap:10px;width:max-content}
.lab-marquee__track--l{animation:tkMarqueeL 32s linear infinite}
.lab-marquee__track--r{animation:tkMarqueeR 32s linear infinite}
.lab-marquee__tile{
  flex:none;width:172px;height:92px;background:#fff;border-radius:12px;
  display:grid;place-items:center;padding:14px 20px;
}
.lab-marquee__tile img{max-width:100%;max-height:56px;object-fit:contain}
@keyframes tkMarqueeL{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes tkMarqueeR{from{transform:translateX(-50%)}to{transform:translateX(0)}}

/* ---------- Scroll indicator ---------- */
.lab-scroll-indicator{display:inline-block;width:1px;height:36px;background:var(--lab-warm);transform-origin:top;animation:tkScroll 2s ease infinite}
@keyframes tkScroll{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.6)}}

/* ---------- Reveal on scroll ---------- */
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- Hero (메인) ---------- */
.lab-hero{
  position:relative;min-height:640px;display:flex;align-items:flex-end;
  background:var(--lab-dark) center/cover no-repeat;
}
.lab-hero__slides{position:absolute;inset:0;overflow:hidden}
.lab-hero__slide{position:absolute;inset:0;background:var(--lab-dark) center/cover no-repeat;opacity:0;transform:scale(1);transition:opacity .9s ease;will-change:opacity,transform}
.lab-hero__slide.is-active{opacity:1;animation:labKenBurns 5.4s ease-out forwards}
/* 켄 번스 — 보이는 동안 1.0→1.07 로 천천히 다가간다. 다음 장이 위로 겹치며 .9s 페이드 */
@keyframes labKenBurns{from{transform:scale(1)}to{transform:scale(1.07)}}
@media (prefers-reduced-motion:reduce){.lab-hero__slide{transition:none}.lab-hero__slide.is-active{animation:none}}
.lab-hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(12,12,12,.55),rgba(12,12,12,.8) 55%,rgba(12,12,12,.97));
}
.lab-hero__inner{position:relative;max-width:var(--lab-container);width:100%;margin:0 auto;padding:120px var(--lab-gutter) 72px}
.lab-hero__chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.lab-hero__lede{margin:24px 0 0;max-width:620px;color:var(--lab-text-inverse-2);font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.7}
.lab-hero__lede b{color:#fff}
.lab-hero__sub{margin:16px 0 0;max-width:620px;color:var(--lab-text-5);font-size:15px;line-height:1.7}
.lab-hero__sub b{color:var(--lab-text-inverse-2)}
.lab-hero__cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.lab-hero__guide-btn{
  margin-top:28px;cursor:pointer;display:flex;align-items:center;gap:14px;
  background:rgba(22,22,22,.7);border:1px solid rgba(255,255,255,.12);border-radius:12px;
  padding:14px 18px;text-align:left;color:var(--lab-text-inverse);max-width:460px;
  transition:border-color .2s ease;
}
.lab-hero__guide-btn:hover{border-color:rgba(var(--lab-accent-rgb),.5)}
.lab-hero__guide-badge{
  flex:none;width:44px;height:44px;border-radius:8px;background:var(--lab-accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;
}
.lab-hero__guide-text{display:grid;gap:2px}
.lab-hero__guide-text b{font-size:15px}
.lab-hero__guide-text span{color:var(--lab-text-5);font-size:13px}
.lab-hero__foot{margin-top:20px;color:var(--lab-text-5);font-size:13px;display:flex;align-items:center;gap:14px}

/* ---------- Hero (하위 페이지 공통) ---------- */
.lab-hero-sub{background:var(--lab-dark)}
.lab-hero-sub__inner{max-width:var(--lab-container);margin:0 auto;padding:calc(120px - 24px) var(--lab-gutter) 56px}
.lab-hero-sub__back{display:inline-flex;align-items:center;gap:6px;color:var(--lab-text-5);font-size:14px;font-weight:600;margin-bottom:20px}
.lab-hero-sub__back:hover{color:var(--lab-warm)}
.lab-hero-sub h1{margin:12px 0 0;color:#fff;font-size:clamp(1.8rem,4.4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.22}
.lab-hero-sub h1 em{font-style:normal;color:var(--lab-warm)}
.lab-hero-sub__lede{margin:20px 0 0;max-width:620px;color:var(--lab-text-inverse-2);font-size:17px;line-height:1.7}
.lab-hero-sub__cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- Working-method quote ---------- */
.lab-quote{margin:28px 0 0;padding:4px 0 4px 20px;border-left:3px solid var(--lab-accent)}
.lab-quote p{margin:0;font-size:20px;line-height:1.6;font-weight:600;color:var(--lab-text)}
.lab-quote cite{display:block;margin-top:10px;color:var(--lab-text-4);font-size:14px;font-style:normal}
.lab-numbered{display:grid;gap:16px;margin-top:28px;padding-top:24px;border-top:1px solid var(--lab-border)}
.lab-numbered__item{display:grid;grid-template-columns:36px 1fr;gap:8px}
.lab-numbered__n{color:var(--lab-accent);font-weight:800;font-variant-numeric:tabular-nums}
.lab-numbered__title{font-weight:700;color:var(--lab-text-2)}
.lab-numbered__desc{color:var(--lab-text-3);font-size:14px;margin-top:4px;line-height:1.6}

/* ---------- Proposal card (tabs) ---------- */
.lab-doc__head{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  padding:16px 24px;border-bottom:1px solid var(--lab-border);
}
.lab-doc__title{font-weight:800;color:var(--lab-text-2)}
.lab-tabs{display:flex;gap:6px}
.lab-tab{
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:20px;cursor:pointer;
  border:1px solid var(--lab-border);background:#fff;color:var(--lab-text-3);
}
.lab-tab.is-active{background:var(--lab-dark-2);color:#fff;border-color:var(--lab-dark-2)}
.lab-doc__body{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.lab-doc__media{background:var(--lab-light-2);padding:20px;display:grid;place-items:center;min-height:360px}
.lab-doc__media img,.lab-doc__media video{width:100%;max-height:420px;object-fit:contain;display:block;border-radius:8px}
.lab-doc__media video{object-fit:cover;background:var(--lab-dark)}
.lab-doc__pane{display:none}
.lab-doc__pane.is-active{display:grid;place-items:center;width:100%}
.lab-doc__notes{padding:28px 28px 32px;border-left:1px solid var(--lab-border)}
.lab-doc__notes-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--lab-text-4)}
.lab-doc__list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:14px}
.lab-doc__list li{display:grid;grid-template-columns:24px 1fr;gap:8px;font-size:15px;line-height:1.6;color:var(--lab-text)}
.lab-doc__list span:first-child{color:var(--lab-accent);font-weight:800}
.lab-doc__foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--lab-border);display:grid;gap:10px;font-size:14px;color:var(--lab-text-3);line-height:1.6}
.lab-doc__foot b{color:var(--lab-text-2)}
.lab-proposal-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}
.lab-proposal-cta span{color:var(--lab-text-3);font-size:14px}

/* ---------- Record timeline ---------- */
.lab-timeline-card{background:var(--lab-dark-3);border:1px solid var(--lab-border-dark);border-radius:var(--lab-radius-card);overflow:hidden}
.lab-timeline-card__head{
  padding:16px 20px;border-bottom:1px solid var(--lab-border-dark);
  display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;
}
.lab-timeline-card__head b{color:var(--lab-text-inverse);font-weight:700;font-size:15px}
.lab-timeline-card__tag{color:var(--lab-warm);font-size:12px;font-weight:700}
.lab-timeline{padding:8px}
.lab-timeline__step{
  width:100%;text-align:left;cursor:pointer;display:grid;grid-template-columns:14px 88px 1fr;
  gap:12px;align-items:start;padding:14px 12px;border-radius:8px;border:0;background:transparent;color:var(--lab-text-inverse);
}
.lab-timeline__step.is-current{background:rgba(var(--lab-accent-rgb),.12)}
.lab-timeline__dot{width:10px;height:10px;border-radius:50%;margin-top:6px;background:#444}
.lab-timeline__step.is-on .lab-timeline__dot{background:var(--lab-accent)}
.lab-timeline__label{font-weight:700;font-size:14px;color:var(--lab-text-5)}
.lab-timeline__step.is-on .lab-timeline__label{color:var(--lab-warm)}
.lab-timeline__text{font-size:14px;line-height:1.6;color:var(--lab-text-5)}
.lab-timeline-photo{border-radius:var(--lab-radius-card);overflow:hidden;position:relative;min-height:320px;background:var(--lab-dark-3)}
.lab-timeline-photo img{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}
.lab-timeline-photo__cap{
  position:absolute;left:12px;bottom:12px;background:rgba(12,12,12,.85);color:var(--lab-text-inverse-2);
  font-size:12px;padding:6px 10px;border-radius:20px;
}

/* ---------- Compare table ---------- */
.lab-compare{border:1px solid var(--lab-border);border-radius:var(--lab-radius-card);overflow:hidden}
.lab-compare__row{display:grid;grid-template-columns:96px 1fr 1fr}
.lab-compare__head{background:var(--lab-light-2);border-bottom:1px solid var(--lab-border);font-size:13px;font-weight:700}
.lab-compare__row:not(.lab-compare__head){border-bottom:1px solid var(--lab-light-3);font-size:14px;line-height:1.55}
.lab-compare__row > div{padding:14px 16px}
.lab-compare__row:not(.lab-compare__head) > div{padding:16px}
.lab-compare__row > div + div{border-left:1px solid var(--lab-border)}
.lab-compare__k{color:var(--lab-text-4);font-weight:600}
.lab-compare__a{color:var(--lab-accent)}
.lab-compare__head .lab-compare__b{color:var(--lab-text-2)}
.lab-compare__row:not(.lab-compare__head) .lab-compare__a,
.lab-compare__row:not(.lab-compare__head) .lab-compare__b{color:var(--lab-text)}

/* ---------- Dept 01/02/03 ---------- */
.lab-numlist-item{border-top:2px solid var(--lab-accent);padding-top:20px}
.lab-numlist-item__n{color:var(--lab-warm);font-weight:800;font-size:14px}
.lab-numlist-item__t{color:#fff;font-weight:700;font-size:18px;margin-top:8px}
.lab-numlist-item__d{color:var(--lab-text-5);font-size:15px;line-height:1.6;margin-top:8px}

/* ---------- Story tabs + panel ---------- */
.lab-story-panel{
  margin-top:16px;display:none;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:24px;align-items:center;background:var(--lab-dark-3);border:1px solid var(--lab-border-dark);
  border-radius:var(--lab-radius-card);overflow:hidden;
}
.lab-story-panel.is-active{display:grid}
.lab-story-panel__img{width:100%;height:100%;min-height:260px;object-fit:cover;display:block}
.lab-story-panel__body{padding:28px}
.lab-story-panel__kicker{color:var(--lab-warm);font-size:12px;font-weight:700;letter-spacing:.08em}
.lab-story-panel__title{color:#fff;font-weight:800;font-size:20px;margin-top:10px;line-height:1.4}
.lab-story-panel__rows{display:grid;gap:10px;margin-top:18px;font-size:14px;line-height:1.6}
.lab-story-panel__rows > div{display:grid;grid-template-columns:44px 1fr;gap:8px}
.lab-story-panel__rows b{color:var(--lab-warm)}
.lab-story-panel__rows span{color:var(--lab-text-inverse-2)}
.lab-story-panel__link{display:inline-block;margin-top:20px;color:var(--lab-warm);font-weight:700;font-size:14px}

/* ---------- Dept "가진 것" grid ---------- */
.lab-dept-grid{
  margin-top:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));
  gap:1px;background:var(--lab-border-dark);border:1px solid var(--lab-border-dark);
  border-radius:var(--lab-radius-card);overflow:hidden;
}
.lab-dept-grid__cell{background:var(--lab-dark-3);padding:24px}
.lab-dept-grid__label{color:var(--lab-warm);font-size:12px;font-weight:700;letter-spacing:.08em}
.lab-dept-grid__num{margin-top:14px;color:#fff;font-size:34px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.lab-dept-grid__unit{font-size:17px;color:var(--lab-warm);margin-left:2px}
.lab-dept-grid__sub{color:var(--lab-text-5);font-size:14px;line-height:1.5;margin-top:4px}
.lab-dept-grid__note{margin-top:16px;color:var(--lab-text-inverse-2);font-size:14px;line-height:1.6}
.lab-dept-grid__scope{margin-top:14px;color:#fff;font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.lab-dept-grid__sub-title{margin-top:16px;color:var(--lab-text-inverse);font-size:14px;font-weight:700}

/* ---------- FAQ ---------- */
.lab-leadtime{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.lab-leadtime__cell{border:1px solid var(--lab-border);border-radius:var(--lab-radius-card);padding:20px}
.lab-leadtime__cell--main{border:1.5px solid var(--lab-tint-border);background:var(--lab-tint)}
.lab-leadtime__num{font-size:36px;font-weight:800;color:var(--lab-text-2);font-variant-numeric:tabular-nums}
.lab-leadtime__cell--main .lab-leadtime__num{color:var(--lab-accent)}
.lab-leadtime__cap{color:var(--lab-text-3);font-size:14px;margin-top:4px}

.lab-faq{border-top:1px solid var(--lab-border)}
.lab-faq__item{border-bottom:1px solid var(--lab-border)}
.lab-faq__q{
  width:100%;cursor:pointer;background:none;border:0;display:flex;justify-content:space-between;
  align-items:center;gap:16px;min-height:56px;padding:14px 0;text-align:left;font-size:16px;font-weight:700;color:var(--lab-text-2);
}
.lab-faq__sign{color:var(--lab-accent);font-size:20px;font-weight:500;flex:none}
.lab-faq__a{padding:0 0 18px;color:var(--lab-text-3);font-size:15px;line-height:1.7;display:none}
.lab-faq__item.is-open .lab-faq__a{display:block}

/* ---------- Contact ---------- */
.lab-holiday{
  display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline;padding:14px 18px;
  border:1px solid rgba(var(--lab-warm-rgb),.35);border-radius:var(--lab-radius-card);margin-bottom:32px;
  color:var(--lab-text-inverse-2);font-size:14px;line-height:1.6;
}
.lab-holiday b{color:var(--lab-warm)}
.lab-ask-card{background:var(--lab-dark-3);border:1px solid var(--lab-border-dark);border-radius:var(--lab-radius-card);padding:24px}
.lab-ask-card__title{color:var(--lab-text-inverse);font-weight:700;font-size:16px}
.lab-ask-card__rows{display:grid;gap:12px;margin-top:16px;font-size:14px;line-height:1.5}
.lab-ask-card__rows > div{display:grid;grid-template-columns:72px 1fr;gap:8px}
.lab-ask-card__rows b{color:var(--lab-warm)}
.lab-ask-card__rows span{color:var(--lab-text-inverse-2)}
.lab-ask-card__foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--lab-border-dark);color:var(--lab-text-5);font-size:13px}

/* ---------- Footer ---------- */
.lab-footer{background:var(--lab-dark);border-top:1px solid var(--lab-border-dark)}
.lab-footer__inner{max-width:var(--lab-container);margin:0 auto;padding:48px var(--lab-gutter) 96px}
.lab-footer__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px}
.lab-footer__title{color:var(--lab-text-inverse);font-weight:700;font-size:14px;margin-bottom:12px}
.lab-footer__links{display:grid;gap:8px}
.lab-footer__links a{color:var(--lab-text-5);font-size:14px}
.lab-footer__links a:hover{color:var(--lab-warm)}
.lab-footer__addr{margin-top:40px;color:#8a8a8a;font-size:13px;line-height:1.7}

/* ---------- Sticky CTA (메인만) ---------- */
.lab-sticky{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:60;display:flex;justify-content:center;
  pointer-events:none;opacity:0;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease;
}
.lab-sticky.is-visible{opacity:1;transform:none}
.lab-sticky:not(.is-visible) .lab-sticky__inner{pointer-events:none}
.lab-sticky__inner{
  pointer-events:auto;display:flex;align-items:center;gap:12px;background:rgba(22,22,22,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);
  border-radius:50px;padding:6px 6px 6px 20px;box-shadow:0 8px 30px rgba(0,0,0,.35);
}
.lab-sticky__text{color:var(--lab-text-inverse-2);font-size:14px}
.lab-sticky__cta{background:var(--lab-accent);color:#fff;font-weight:700;font-size:14px;padding:12px 18px;border-radius:50px;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.lab-sticky__cta:hover{background:var(--lab-accent-hover);color:#fff}

/* ---------- Guide viewer (기준 10장) ---------- */
.lab-guide{
  position:fixed;inset:0;z-index:100;background:var(--lab-dark);display:flex;flex-direction:column;
  color:var(--lab-text-inverse);font-family:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
.lab-guide[hidden]{display:none}
.lab-guide__top{flex:none;border-bottom:1px solid var(--lab-border-dark)}
.lab-guide__topbar{max-width:var(--lab-container);margin:0 auto;padding:0 var(--lab-gutter);height:60px;display:flex;align-items:center;gap:16px}
.lab-guide__topbar b{font-size:15px}
.lab-guide__count{color:var(--lab-text-5);font-size:14px;font-variant-numeric:tabular-nums}
.lab-guide__spacer{flex:1}
.lab-guide__cta{color:var(--lab-warm);font-size:14px;font-weight:700}
.lab-guide__close{
  cursor:pointer;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.15);
  background:none;color:var(--lab-text-inverse);font-size:18px;line-height:1;flex:none;
}
.lab-guide__dots{overflow-x:auto;scrollbar-width:none}
.lab-guide__dots::-webkit-scrollbar{display:none}
.lab-guide__dots-row{max-width:var(--lab-container);margin:0 auto;padding:0 var(--lab-gutter) 10px;display:flex;gap:4px;white-space:nowrap}
.lab-guide__dot{
  flex:none;cursor:pointer;min-height:44px;padding:0 12px;border-radius:8px;border:1px solid rgba(255,255,255,.15);
  background:transparent;color:var(--lab-text-5);font-size:13px;font-weight:700;
}
.lab-guide__dot.is-active{border-color:var(--lab-accent);background:var(--lab-accent);color:#fff}
.lab-guide__dot-n{opacity:.6;font-variant-numeric:tabular-nums;margin-right:6px}
.lab-guide__body{flex:1;overflow:auto}
.lab-guide__slide{display:none}
.lab-guide__slide.is-active{
  display:grid;max-width:var(--lab-container);margin:0 auto;padding:40px var(--lab-gutter);
  min-height:100%;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:40px;align-items:center;
}
.lab-guide__img{border-radius:var(--lab-radius-card);overflow:hidden;aspect-ratio:4/3;background:var(--lab-dark-3)}
.lab-guide__img img{width:100%;height:100%;object-fit:cover;display:block}
.lab-guide__title{margin:14px 0 0;font-size:clamp(1.6rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.02em;line-height:1.3;color:#fff}
.lab-guide__copy{margin:18px 0 0;color:var(--lab-text-inverse-2);font-size:17px;line-height:1.7}
.lab-guide__points{display:grid;gap:10px;margin-top:24px}
.lab-guide__point{padding:2px 0 2px 16px;border-left:2px solid var(--lab-accent);color:var(--lab-text-5);font-size:15px;line-height:1.6}
.lab-guide__slide-cta{display:inline-block;margin-top:32px}
.lab-guide__bottom{flex:none;border-top:1px solid var(--lab-border-dark)}
.lab-guide__bottom-row{max-width:var(--lab-container);margin:0 auto;padding:12px var(--lab-gutter);display:flex;justify-content:space-between;align-items:center;gap:12px}
.lab-guide__nav-btn{
  cursor:pointer;min-height:44px;padding:0 20px;border-radius:50px;border:1px solid rgba(255,255,255,.15);
  background:none;color:var(--lab-text-inverse);font-weight:600;font-size:14px;
}
.lab-guide__nav-btn:disabled{opacity:.35;cursor:default}
.lab-guide__nav-btn--next{border:0;background:var(--lab-accent);color:#fff;font-weight:700;padding:0 22px}
.lab-guide__nav-btn--next:hover{background:var(--lab-accent-hover)}
.lab-guide__hint{color:#8a8a8a;font-size:12px}

/* ---------- Motion / a11y ---------- */
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  .lab-marquee__track{animation:none!important}
  .lab-scroll-indicator{animation:none!important}
  .lab-sticky{transition:none}
}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  .lab-hero__inner{padding:100px var(--lab-gutter) 56px}
  .lab-leadtime{grid-template-columns:1fr}
  .lab-compare__row{grid-template-columns:80px 1fr 1fr}
  .lab-guide__slide.is-active{padding:24px var(--lab-gutter)}
  .lab-guide__bottom-row{gap:8px}
  .lab-guide__hint{display:none}
}

/* ---------- Mobile nav: 첫 줄만 (로고 · 메뉴 · CTA), 줄바꿈 금지 ---------- */
.lab-nav__logo,.lab-nav__name,.lab-nav__menu-btn,.lab-nav__phone,.lab-nav__cta,.lab-nav__back{white-space:nowrap;flex:none}
@media (max-width:640px){
  .lab-nav__bar{gap:8px}
  .lab-nav__phone{display:none}
  .lab-nav__back span{display:none}
  .lab-nav__menu-btn{padding:0 10px;min-height:44px;margin-left:auto}
  .lab-nav__cta{padding:0 12px;min-height:44px;display:inline-flex;align-items:center;font-size:13px}
}
@media (max-width:380px){
  .lab-nav__name{display:none}
}

/* ---------- AI 상담 위젯(chat-widget.css, 공용 파일) 버튼이 하단 고정 CTA(.lab-sticky,
   bottom:12px·높이 약 52px)와 겹치지 않게 위치만 이 파일에서 덮는다. 데스크톱은 기본
   bottom:88px 로 이미 여유(약 20px)가 있어 그대로 둔다. 모바일은 기본 bottom:72px 이라
   스티키와 4px 밖에 안 떨어져 실제로 맞닿는다 — 92px 로 올려 여유를 만든다. ---------- */
@media (max-width:480px){
  body.lab-root .chat-fab{bottom:92px}
}