:root{
  --off:#F5F5F1;
  --ink:#171817;
  --alu:#C8CBC7;
  --gray:#777A76;
  --lime:#B8D52A;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--off);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  word-break:keep-all;
  overflow-wrap:break-word;
  line-height:1.6;
}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.rail{height:2px;background:var(--alu);width:100%}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;letter-spacing:.12em;color:var(--gray)}

/* HEADER */
header.site{position:sticky;top:0;z-index:50;background:var(--off);border-bottom:1px solid var(--alu)}
.hd-in{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1180px;margin:0 auto}
.logo{font-weight:800;letter-spacing:.04em;font-size:1.05rem;text-decoration:none;color:var(--ink);text-shadow:2px 2px 0 var(--alu),4px 4px 10px rgba(23,24,23,.18)}
nav.mainnav{display:flex;align-items:center;gap:28px}
nav.mainnav a.navlink{font-size:.85rem;letter-spacing:.05em;text-decoration:none;color:var(--ink)}
.tel-btn{border:1px solid var(--ink);padding:9px 18px;font-size:.85rem;font-weight:700;text-decoration:none;color:var(--ink);white-space:nowrap;position:relative;transition:background-color .18s ease,color .18s ease}
.tel-btn:hover{background:var(--ink);color:var(--off)}
.tel-btn::before{content:"";position:absolute;left:0;top:-1px;width:6px;height:calc(100% + 2px);background:var(--lime)}
.tel-btn{padding-left:22px}
@media(max-width:760px){
  nav.mainnav .navlink{display:none}
  .hd-in{padding:14px 20px}
}

/* BREADCRUMB */
.crumb{padding:16px 0;font-size:.78rem;color:var(--gray)}
.crumb a{text-decoration:underline}

/* HERO (shared home + sub) */
.hero{position:relative;border-bottom:1px solid var(--alu)}
.hero-in{display:flex;height:520px}
.hero-in.sub{height:420px}
.hero-text{width:34%;min-width:0;padding:64px 32px 56px 24px;display:flex;flex-direction:column;justify-content:center;position:relative}
.hero-text::after{content:"";position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--alu)}
.hero-tag{font-size:.72rem;letter-spacing:.25em;color:var(--gray);margin-bottom:22px}
.hero-tag b{color:var(--ink)}
h1.hero-h1{font-size:clamp(2.1rem,4.4vw,3.2rem);font-weight:800;letter-spacing:-.01em;margin:0 0 20px}
.hero-in.sub h1.hero-h1{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.hero-lede{font-size:1rem;color:#3a3b39;max-width:32ch;margin:0 0 30px}
.hero-cta{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:var(--off);text-decoration:none;padding:14px 22px;font-weight:700;font-size:.92rem;width:fit-content;transition:transform .18s ease,box-shadow .18s ease}
.hero-cta::after{content:"→";transition:transform .18s ease}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(23,24,23,.25)}
.hero-cta:hover::after{transform:translateX(4px)}
.hero-img{width:66%;min-width:0;position:relative;overflow:hidden;background:var(--alu)}
.hero-img img{width:100%;height:100%;object-fit:cover}
@media(max-width:820px){
  .hero-in,.hero-in.sub{flex-direction:column;height:auto;min-height:0}
  .hero-text{width:100%;padding:40px 24px 32px}
  .hero-text::after{display:none}
  .hero-img{width:100%;height:62vw;max-height:400px}
}

/* SECTION generic */
section{padding:72px 0;border-bottom:1px solid var(--alu)}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:36px}
.sec-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;color:var(--lime);font-weight:700}
h2.sec-title{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;margin:0}

/* DOOR PROBLEM INDEX */
.problem-index{display:grid;grid-template-columns:repeat(3,1fr)}
.problem-item{border-left:1px solid var(--alu);padding:20px 22px;min-height:140px;min-width:0}
.problem-item:first-child{border-left:none}
.problem-item .num{display:block;margin-bottom:14px}
.problem-item p{margin:0;font-weight:600}
@media(max-width:760px){
  .problem-index{grid-template-columns:1fr 1fr}
  .problem-item:nth-child(3n+1){border-left:none}
  .problem-item:nth-child(odd){border-left:none}
  .problem-item:nth-child(even){border-left:1px solid var(--alu)}
}
@media(max-width:480px){
  .problem-index{grid-template-columns:1fr}
  .problem-item{border-left:none!important;border-top:1px solid var(--alu)}
  .problem-item:first-child{border-top:none}
}

/* NSEO SERVICE TRACK */
.track-wrap{position:relative}
.track-line{position:absolute;top:26px;left:26px;right:26px;height:2px;background:var(--alu);z-index:0}
.track{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;z-index:1}
.track-item{background:var(--off);min-width:0;text-decoration:none;color:inherit;display:block;transition:transform .18s ease,box-shadow .18s ease}
.track-item:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(23,24,23,.12)}
.track-item:hover .tnum{background:var(--ink);color:var(--off)}
.track-item .tnum{width:52px;height:52px;border:2px solid var(--ink);background:var(--off);display:flex;align-items:center;justify-content:center;font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin-bottom:16px}
.track-item .tph{aspect-ratio:3/4;overflow:hidden;margin-bottom:14px;background:var(--alu)}
.track-item .tph img{width:100%;height:100%;object-fit:cover}
.track-item h3{font-size:1rem;margin:0 0 8px}
.track-item p{font-size:.85rem;color:var(--gray);margin:0}
.track-item.current .tnum{background:var(--ink);color:var(--off)}
@media(max-width:900px){
  .track{grid-template-columns:1fr 1fr;gap:24px}
  .track-line{display:none}
}
@media(max-width:340px){
  .track{grid-template-columns:1fr}
}
.track-note{margin-top:28px;font-size:.82rem;color:var(--gray)}

/* REAL DOOR WORK editorial grid */
.work-grid{display:grid;grid-template-columns:1.1fr 1fr;grid-template-rows:auto auto;gap:16px}
.work-grid > *{min-width:0}
.work-big{grid-row:1/3}
.work-big img,.work-wide img{width:100%;height:100%;object-fit:cover}
.work-big{aspect-ratio:3/3.6}
.work-wide{aspect-ratio:16/9}
.work-details{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.work-details > figure{min-width:0}
.work-details figure{aspect-ratio:1/1;overflow:hidden}
.work-details img{width:100%;height:100%;object-fit:cover}
.cap{font-size:.75rem;color:var(--gray);margin-top:8px}
@media(max-width:760px){
  .work-grid{grid-template-columns:1fr}
  .work-big{grid-row:auto;aspect-ratio:4/3}
}

/* BEFORE/AFTER (owner-confirmed pairs only) */
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin:0 auto;position:relative;max-width:640px}
.ba-pair figure{margin:0;position:relative;min-width:0;aspect-ratio:3/4;overflow:hidden}
.ba-pair img{width:100%;height:100%;object-fit:cover}
.ba-label{position:absolute;top:14px;left:14px;background:var(--ink);color:var(--off);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.72rem;letter-spacing:.1em;padding:5px 10px}
.ba-pair figure.after .ba-label{background:var(--lime);color:var(--ink)}
@media(max-width:340px){.ba-pair{grid-template-columns:1fr;max-width:320px}}

/* 2-photo gallery (subpages) */
.gallery-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gallery-two figure{margin:0;aspect-ratio:3/4;overflow:hidden}
.gallery-two img{width:100%;height:100%;object-fit:cover}
@media(max-width:600px){.gallery-two{grid-template-columns:1fr}}

/* WHY / info list */
.why-list{list-style:none;margin:0;padding:0;max-width:760px}
.why-list li{padding:20px 0 20px 34px;border-top:1px solid var(--alu);position:relative}
.why-list li:last-child{border-bottom:1px solid var(--alu)}
.why-list li::before{content:"—";position:absolute;left:0;color:var(--lime);font-weight:800}
.why-list b{display:block;margin-bottom:6px}
.why-note{margin-top:24px;color:var(--gray);font-size:.9rem;max-width:760px}

/* cost table */
table.cost{width:100%;border-collapse:collapse;margin-top:8px;max-width:760px}
table.cost th,table.cost td{border:1px solid var(--alu);padding:12px 14px;text-align:left;font-size:.9rem}
table.cost th{background:var(--ink);color:var(--off);font-weight:700;width:34%}

/* ABOUT / body copy box */
.about-box{max-width:760px}
.about-box p{margin:0 0 14px}

/* FAQ */
.faq-item{border-top:1px solid var(--alu)}
.faq-item:last-child{border-bottom:1px solid var(--alu)}
.faq-item summary{padding:20px 4px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--lime);font-size:1.2rem;flex:none}
.faq-item[open] summary::after{content:"–"}
.faq-item .a{padding:0 4px 22px;color:#3a3b39;font-size:.92rem;max-width:70ch}

/* RELATED SERVICES */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.related-grid .track-item{min-width:0}
@media(max-width:760px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:420px){.related-grid{grid-template-columns:1fr}}

/* FINAL CTA */
.cta-final{text-align:left;background:var(--ink);color:var(--off);border-bottom:none}
.cta-final .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-final h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0;max-width:20ch;font-weight:800}
.cta-final .tel-btn{border-color:var(--off);color:var(--off)}
.cta-final .tel-btn:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.cta-final .tel-btn::before{background:var(--lime)}

/* FOOTER */
footer.site{padding:44px 0 60px;font-size:.85rem;color:var(--gray)}
footer.site .biz{color:var(--ink);font-weight:700;margin-bottom:8px}
footer.site .lines p{margin:3px 0}
footer.site a.phone{color:var(--ink);font-weight:700;text-decoration:underline}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}