/* ===================================================================
   중문수리업체 — design system
   컨셉: 반투명 유리 / 슬라이딩 레일 / 웜그레이·샌드베이지·브론즈·세이지
=================================================================== */

:root{
  --bg:        #FAF6EF;
  --bg-alt:    #F2E9D8;
  --bg-deep:   #E9DEC7;
  --panel:     #FFFFFF;
  --glass:     rgba(255,255,255,0.55);
  --charcoal:  #34312B;
  --warmgray:  #8B8375;
  --warmgray-l:#B9B1A0;
  --olive:     #6C6B4A;
  --bronze:    #AF7A3C;
  --bronze-d:  #8E6129;
  --sage:      #8CA079;
  --line:      #DCD0B7;
  --rail:      #C9BB9C;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --font-head: 'Gowun Batang', serif;
  --font-body: 'Gowun Dodum', sans-serif;
  --shadow-1: 0 2px 10px rgba(52,49,43,0.06);
  --shadow-2: 0 14px 34px rgba(52,49,43,0.12);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--charcoal);
  font-family:var(--font-body);
  font-size:16.5px;
  font-weight:600;
  line-height:1.8;
  word-break:keep-all;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.4;margin:0 0 .6em;color:var(--charcoal);}
p{margin:0 0 1em;}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--bronze);color:#fff;padding:10px 16px;z-index:999;}
.skip-link:focus{left:10px;top:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-family:var(--font-body);font-weight:700;font-size:15px;
  border:1.5px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor:pointer;
}
.btn--call{background:var(--bronze);color:#fff;box-shadow:var(--shadow-1);}
.btn--call:hover{background:var(--bronze-d);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;color:var(--charcoal);border-color:var(--charcoal);}
.btn--ghost:hover{background:var(--charcoal);color:#fff;}
.btn--sage{background:var(--sage);color:#fff;}
.btn--sage:hover{background:#758a63;transform:translateY(-2px);}
.btn--lg{padding:17px 34px;font-size:16.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,246,239,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__inner{display:flex;align-items:center;gap:22px;padding:14px 24px;}
.brand{display:flex;align-items:center;gap:9px;margin-right:auto;}
.brand__icon{color:var(--bronze);display:flex;}
.brand__name{font-family:var(--font-head);font-weight:700;font-size:20px;letter-spacing:.02em;}
.site-nav{display:flex;gap:28px;font-weight:700;font-size:15px;}
.site-nav a{position:relative;padding:6px 0;}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--bronze);transition:width .25s ease;}
.site-nav a:hover::after{width:100%;}
.header-call{padding:10px 20px;font-size:14px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;cursor:pointer;}
.nav-toggle span{width:22px;height:2px;background:var(--charcoal);display:block;}
.mobile-nav{display:none;flex-direction:column;gap:2px;background:var(--panel);border-top:1px solid var(--line);padding:10px 24px 16px;}
.mobile-nav a{padding:12px 4px;border-bottom:1px solid var(--line);font-weight:700;}
.mobile-nav .btn{margin-top:12px;justify-content:center;}
.mobile-nav.is-open{display:flex;}

@media (max-width: 880px){
  .site-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-call{display:none;}
}

/* ---------- rail divider (sliding-door motif) ---------- */
.rail{
  height:10px;
  background:repeating-linear-gradient(90deg, var(--rail) 0 26px, transparent 26px 34px);
  border-radius:6px;
  opacity:.7;
  margin:0 auto;
  width:120px;
}
.rail--wide{width:100%;max-width:220px;}

/* ---------- section shells ---------- */
section{padding:78px 0;}
.section--alt{background:var(--bg-alt);}
.section--deep{background:var(--bg-deep);}
.section--panel{background:var(--panel);}
.section-head{max-width:680px;margin:0 auto 44px;text-align:center;}
.section-head h2{font-size:clamp(24px,3.4vw,34px);}
.section-head p{color:var(--warmgray);font-size:16px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--bronze);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:20px;height:1.5px;background:var(--bronze);}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- hero / intro ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 88px;
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;color:var(--olive);margin-bottom:22px;}
.hero h1{font-size:clamp(32px,5vw,50px);letter-spacing:-.01em;}
.hero__sub{font-size:17.5px;color:#5c584e;max-width:480px;}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.hero__tags span{font-size:13px;font-weight:700;color:var(--olive);background:rgba(140,160,121,.15);padding:7px 14px;border-radius:999px;}

.hero__visual{position:relative;aspect-ratio:4/3.4;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-2);}
.hero__visual svg{width:100%;height:100%;display:block;}
.hero__visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg, rgba(255,255,255,.08), rgba(52,49,43,.06));
  pointer-events:none;
}
.hero__slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:heroFade 9s infinite;}
.hero__slide:nth-child(1){animation-delay:0s;}
.hero__slide:nth-child(2){animation-delay:3s;}
.hero__slide:nth-child(3){animation-delay:6s;}
@keyframes heroFade{
  0%,3%{opacity:0;}
  8%,28%{opacity:1;}
  33%,100%{opacity:0;}
}
@media (prefers-reduced-motion: reduce){
  .hero__slide{animation:none;opacity:0;}
  .hero__slide:first-child{opacity:1;}
}

/* ---------- empathy / symptom cards ---------- */
.symptom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.symptom-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:28px 24px;
  position:relative;
  overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.symptom-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:var(--bronze);}
.symptom-card__icon{width:44px;height:44px;color:var(--bronze);margin-bottom:16px;}
.symptom-card h3{font-size:18px;margin-bottom:8px;}
.symptom-card p{font-size:14.5px;color:var(--warmgray);margin:0;}
.symptom-card::before{
  content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;
  border-radius:50%;background:radial-gradient(circle, rgba(175,122,60,.10), transparent 70%);
}

/* ---------- approach ---------- */
.approach{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center;}
.approach__visual{position:relative;}
.approach__points{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:18px;}
.approach__points li{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;}
.approach__points .num{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--olive);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:14px;}
.approach__points strong{display:block;font-size:15.5px;margin-bottom:4px;}
.approach__points span{font-size:14px;color:var(--warmgray);}

/* ---------- cases gallery (masonry-ish, varied shapes) ---------- */
.case-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-auto-rows:110px;
  gap:16px;
}
.case-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-m);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover img{transform:scale(1.06);}
.case-card__tag{
  position:absolute;left:12px;bottom:12px;
  background:rgba(52,49,43,.72);color:#fff;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;
  backdrop-filter:blur(3px);
}
.case-1{grid-column:span 3;grid-row:span 3;border-radius:var(--radius-l);}
.case-2{grid-column:span 3;grid-row:span 2;border-radius:8px 34px 8px 34px;}
.case-3{grid-column:span 3;grid-row:span 2;border-radius:34px 8px 34px 8px;}
.case-3 img{object-position:center 72%;}
.case-4{grid-column:span 2;grid-row:span 2;}
.case-5{grid-column:span 2;grid-row:span 2;border-radius:50% / 18%;}

@media (max-width: 880px){
  .case-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .case-1{grid-column:span 2;grid-row:span 2;}
  .case-2,.case-3{grid-column:span 1;grid-row:span 2;}
  .case-4,.case-5{grid-column:span 1;grid-row:span 2;}
}

/* ---------- services (NSEO) ---------- */
.service-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.service-card{
  grid-column:span 2;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.service-card:nth-child(4),.service-card:nth-child(5){grid-column:span 3;}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);}
.service-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.service-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.service-card:hover .service-card__img img{transform:scale(1.08);}
.service-card__body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.service-card__body h3{font-size:17.5px;margin-bottom:8px;}
.service-card__body p{font-size:14px;color:var(--warmgray);flex:1;}
.service-card__link{margin-top:12px;font-size:13.5px;font-weight:700;color:var(--bronze);display:inline-flex;align-items:center;gap:6px;}
.service-card__link svg{transition:transform .2s ease;}
.service-card:hover .service-card__link svg{transform:translateX(4px);}

@media (max-width: 880px){
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:span 1;}
}
@media (max-width: 560px){
  .service-grid{grid-template-columns:1fr;}
}

/* ---------- process ---------- */
.process{position:relative;}
.process-track{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:0;position:relative;}
.process-track::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg, var(--rail) 0 10px, transparent 10px 16px);
}
.process-step{position:relative;text-align:center;padding:0 12px;}
.process-step .dot{
  width:54px;height:54px;border-radius:50%;background:var(--panel);border:2px solid var(--bronze);
  color:var(--bronze);font-family:var(--font-head);font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:2;
}
.process-step h3{font-size:15.5px;margin-bottom:6px;}
.process-step p{font-size:13px;color:var(--warmgray);}

@media (max-width: 880px){
  .process-track{grid-template-columns:1fr;gap:26px;}
  .process-track::before{display:none;}
}

/* ---------- FAQ (card + accordion hybrid) ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;
}
.faq-card summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 22px;font-weight:700;font-size:15.5px;
}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-card summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--bg-alt);color:var(--bronze);display:flex;align-items:center;justify-content:center;
  font-size:17px;transition:transform .25s ease;
}
.faq-card[open] summary::after{transform:rotate(45deg);}
.faq-card__a{padding:0 22px 20px;font-size:14.5px;color:var(--warmgray);}
.faq-card .q-num{color:var(--bronze);font-family:var(--font-head);margin-right:8px;}

@media (max-width: 780px){
  .faq-grid{grid-template-columns:1fr;}
}

/* ---------- CTA ---------- */
.cta{
  position:relative;
  background:linear-gradient(120deg, var(--olive) 0%, #565539 100%);
  color:#fff;
  border-radius:var(--radius-l);
  padding:64px 48px;
  overflow:hidden;
  text-align:center;
}
.cta h2{color:#fff;font-size:clamp(24px,3.4vw,32px);}
.cta p{color:rgba(255,255,255,.82);max-width:560px;margin:0 auto 28px;}
.cta__btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.cta::before,.cta::after{
  content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06);
}
.cta::before{width:280px;height:280px;top:-120px;left:-80px;}
.cta::after{width:220px;height:220px;bottom:-110px;right:-60px;}
.cta-wrap{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ---------- before/after ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:18px;}
.compare figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;}
.compare img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.compare figcaption{padding:12px 16px;font-size:13.5px;font-weight:700;display:flex;align-items:center;gap:8px;}
.compare figcaption.tag-before{color:var(--warmgray);}
.compare figcaption.tag-after{color:var(--sage);}
@media (max-width:600px){.compare{grid-template-columns:1fr;}}

/* ---------- generic content page ---------- */
.page-hero{padding:52px 0 30px;background:var(--bg-alt);}
.breadcrumb{font-size:13px;color:var(--warmgray);margin-bottom:14px;}
.breadcrumb a{color:var(--olive);font-weight:700;}
.back-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;
  color:var(--charcoal);border:1px solid var(--line);padding:9px 16px;border-radius:999px;
  margin-top:18px;background:var(--panel);transition:background .2s ease;
}
.back-link:hover{background:var(--bg-deep);}
.article{max-width:760px;margin:0 auto;padding:52px 24px 20px;}
.article h2{font-size:22px;margin-top:2.2em;}
.article p{font-size:16px;color:#4a463d;}
.info-block{background:var(--bg-alt);border-left:3px solid var(--bronze);border-radius:0 var(--radius-s) var(--radius-s) 0;padding:18px 22px;margin:22px 0;font-size:15px;}
.info-block strong{color:var(--bronze-d);}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.checklist li{display:flex;gap:10px;font-size:15px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-s);padding:12px 16px;}
.checklist li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:2px;background:var(--sage);margin-top:7px;}

/* cross-link cards (bottom of detail/region pages) */
.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.link-card{
  position:relative;border-radius:var(--radius-m);overflow:hidden;aspect-ratio:3/3.6;
  box-shadow:var(--shadow-1);
}
.link-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.link-card:hover img{transform:scale(1.08);}
.link-card__label{
  position:absolute;left:0;right:0;bottom:0;padding:16px 16px 14px;
  background:linear-gradient(0deg, rgba(52,49,43,.82), transparent);
  color:#fff;font-weight:700;font-size:14.5px;
}
@media (max-width:880px){.link-grid{grid-template-columns:repeat(2,1fr);}}

/* float call button (mobile) */
.float-call{display:none;position:fixed;right:18px;bottom:18px;z-index:90;}
@media (max-width: 880px){
  .float-call{display:block;}
  .btn--float{padding:14px 18px;border-radius:50%;box-shadow:var(--shadow-2);}
  .btn--float span,.btn--float{font-size:0;}
  .btn--float svg{width:20px;height:20px;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--charcoal);color:#e7e2d6;margin-top:60px;}
.site-footer__inner{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding:56px 24px 34px;}
.site-footer .brand__icon{color:var(--sage);}
.site-footer__desc{font-size:13.5px;color:#b9b3a2;margin-top:14px;}
.site-footer__biz p{margin:0 0 8px;font-size:13.5px;color:#c9c3b3;}
.site-footer__biz strong{color:#fff;font-size:15px;}
.site-footer__biz a{color:#e2c493;font-weight:700;}
.site-footer__title{font-weight:700;color:#fff;margin-bottom:12px;font-size:14px;}
.site-footer__links{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:#c9c3b3;}
.site-footer__links a:hover{color:#fff;}
.site-footer__bottom{padding:18px 24px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#8b8577;}

/* ---------- responsive base ---------- */
@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr;}
  .hero__visual{order:-1;aspect-ratio:16/10;margin:0 -24px;width:calc(100% + 48px);border-radius:0;box-shadow:none;}
  .approach{grid-template-columns:1fr;}
  .symptom-grid{grid-template-columns:repeat(2,1fr);}
  .site-footer__inner{grid-template-columns:1fr 1fr;}
}
@media (max-width: 620px){
  section{padding:56px 0;}
  .symptom-grid{grid-template-columns:1fr;}
  .compare{gap:12px;}
  .site-footer__inner{grid-template-columns:1fr;}
  .cta{padding:44px 22px;}
}