/* W.N 소신 - 보도블럭시공업체
   WHITE + BLACK/CHARCOAL + LIME. Lines, whitespace, type, grid. No card soup. */

:root{
  --white:#ffffff;
  --black:#16191c;
  --charcoal:#1c2023;
  --charcoal-soft:#2b3034;
  --lime:#c6ff3d;
  --lime-deep:#78a300;
  --line:#e6e6e6;
  --line-strong:#d8d8d8;
  --gray:#5c6268;
  --gray-light:#8a9096;
  --radius:4px;
  --wrap:1180px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important}
}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Pretendard","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;
  color:var(--black);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 20px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{font-weight:800;font-size:1.05rem;letter-spacing:-0.02em}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:0.92rem;font-weight:600;color:var(--black);position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--lime);transition:right .2s}
.main-nav a:hover::after{right:0}
.call-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.9rem;font-weight:700;
  padding:9px 16px;border:1px solid var(--black);border-radius:999px;
  white-space:nowrap;
}
.call-btn:hover{background:var(--black);color:var(--white)}
.call-btn svg{width:15px;height:15px;flex:0 0 auto}
.nav-toggle{display:none;width:38px;height:38px;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--black);transition:transform .2s,opacity .2s;
}
.nav-toggle span{top:18px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}

@media (max-width:860px){
  .main-nav{
    position:fixed;inset:var(--header-h) 0 0 0;background:var(--white);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 24px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .main-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .call-btn span{display:none}
}

/* ===== Hero ===== */
.hero{padding:20px 0 0}
.hero-eyebrow{display:none}
.ba-hero{
  position:relative;width:100%;
  aspect-ratio:16/11;
  max-height:78vh;
  overflow:hidden;
  background:var(--charcoal);
  touch-action:pan-y;
}
.ba-media{position:absolute;inset:0}
.ba-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 45%;user-select:none}
.ba-before-wrap{position:absolute;inset:0;overflow:hidden;clip-path:inset(0 50% 0 0)}
.ba-line{
  position:absolute;top:0;bottom:0;left:50%;width:0;
  border-left:2px solid var(--white);
  transform:translateX(-1px);
  pointer-events:none;
  box-shadow:0 0 0 1px rgba(0,0,0,0.15);
}
.ba-range{
  position:absolute;inset:0;width:100%;height:100%;margin:0;
  -webkit-appearance:none;appearance:none;background:transparent;cursor:ew-resize;
}
.ba-range::-webkit-slider-runnable-track{background:transparent;height:100%}
.ba-range::-moz-range-track{background:transparent;height:100%}
.ba-range::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:52px;height:52px;border-radius:50%;
  background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316191c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='8 7 3 12 8 17'/%3E%3Cpolyline points='16 7 21 12 16 17'/%3E%3C/svg%3E") center/26px no-repeat;
  box-shadow:0 2px 10px rgba(0,0,0,0.35);
  cursor:ew-resize;margin-top:0;
}
.ba-range::-moz-range-thumb{
  width:52px;height:52px;border-radius:50%;border:0;
  background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316191c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='8 7 3 12 8 17'/%3E%3Cpolyline points='16 7 21 12 16 17'/%3E%3C/svg%3E") center/26px no-repeat;
  box-shadow:0 2px 10px rgba(0,0,0,0.35);cursor:ew-resize;
}
.ba-tag{
  position:absolute;top:16px;
  font-size:0.72rem;font-weight:800;letter-spacing:0.08em;
  color:var(--white);background:rgba(22,25,28,0.55);
  padding:5px 10px;border-left:2px solid var(--lime);
  pointer-events:none;
}
.ba-tag-before{left:16px}
.ba-tag-after{right:16px}

.hero-copy{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-top:52px;padding-bottom:64px;border-bottom:1px solid var(--line);
}
.hero-copy-main{
  display:flex;flex-wrap:wrap;align-items:flex-end;column-gap:36px;row-gap:20px;
}
.hero-h1{
  font-size:clamp(2.1rem,5vw,3.4rem);
  font-weight:800;letter-spacing:-0.03em;line-height:1.08;
}
.hero-sub{margin-top:0;color:var(--lime-deep);font-weight:700;font-size:1.05rem;line-height:1.55;padding-bottom:8px}
.hero-actions{flex:0 0 auto}

.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;padding:14px 26px;border-radius:999px;font-size:0.98rem}
.btn svg{width:17px;height:17px}
.btn-lime{background:var(--black);color:var(--white);border:1px solid var(--black)}
.btn-lime:hover{background:var(--lime-deep);border-color:var(--lime-deep);color:var(--black)}
.btn-outline{border:1px solid var(--lime-deep);color:var(--black)}
.btn-outline:hover{background:var(--lime)}

/* ===== Field index ===== */
.field-index{padding:64px 0}
.field-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.field-item{padding:0 28px 0 0;border-left:1px solid var(--line)}
.field-item:first-child{border-left:0}
.field-item-inner{padding-left:28px}
.field-item:first-child .field-item-inner{padding-left:0}
.field-icon{width:34px;height:34px;margin-bottom:22px;stroke:var(--black);fill:none;stroke-width:1.6}
.field-num{display:block;color:var(--lime-deep);font-weight:800;font-size:0.85rem;letter-spacing:0.06em;margin-bottom:8px}
.field-title{font-size:1.15rem;font-weight:800;letter-spacing:-0.01em;margin-bottom:10px}
.field-desc{color:var(--gray);font-size:0.92rem;line-height:1.6}

@media (max-width:760px){
  .field-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .field-item{border-left:0;border-top:1px solid var(--line);padding-top:24px}
  .field-item:nth-child(odd){padding-right:16px}
  .field-item:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
  .field-item-inner{padding-left:0}
}

/* ===== Section heading kit ===== */
.section-head{margin-bottom:40px}
.eyebrow{display:block;color:var(--lime-deep);font-weight:800;font-size:0.8rem;letter-spacing:0.14em;margin-bottom:12px}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;letter-spacing:-0.02em;line-height:1.3}
.section-desc{margin-top:14px;color:var(--gray);font-size:0.98rem;max-width:44ch}

/* ===== Block library ===== */
.block-library{padding:80px 0;background:var(--white);border-top:1px solid var(--line)}
.library-layout{display:grid;grid-template-columns:25% 1fr;gap:40px;align-items:start}
.library-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.block-card{border:1px solid var(--line);display:flex;flex-direction:column}
.block-card-media{aspect-ratio:3/4;overflow:hidden;background:#eee}
.block-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.block-card:hover .block-card-media img{transform:scale(1.045)}
.block-card-foot{background:var(--charcoal);color:var(--white);padding:14px 12px;flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:14px}
.block-card-num{color:var(--lime);font-weight:800;font-size:0.85rem;letter-spacing:0.04em}
.block-card-name{font-weight:700;font-size:0.95rem;line-height:1.35}
.block-card-arrow{align-self:flex-end;color:var(--lime);transition:transform .2s}
.block-card:hover .block-card-arrow{transform:translateX(4px)}
.block-card-arrow svg{width:16px;height:16px}

@media (max-width:900px){
  .library-layout{grid-template-columns:1fr}
  .library-cards{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:560px){
  .library-cards{grid-template-columns:repeat(2,1fr)}
  .library-cards a:last-child{grid-column:1 / -1}
  .library-cards a:last-child .block-card-media{aspect-ratio:16/9}
}

/* ===== Construction case ===== */
.construction-case{padding:80px 0;border-top:1px solid var(--line)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 32px}
.case-site{border-top:2px solid var(--black);padding-top:18px}
.case-site-title{font-weight:700;font-size:1rem;color:var(--gray);margin-bottom:14px}
.case-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.case-shot{position:relative;aspect-ratio:3/4;overflow:hidden;background:#eee;cursor:zoom-in;border:0;display:block;width:100%;padding:0}
.case-shot img{width:100%;height:100%;object-fit:cover}
.case-shot-tag{
  position:absolute;left:0;bottom:0;font-size:0.74rem;font-weight:800;letter-spacing:0.08em;
  color:var(--white);background:rgba(22,25,28,0.62);padding:6px 10px;border-left:2px solid var(--lime);
}
@media (max-width:760px){.case-grid{grid-template-columns:1fr;gap:36px}}

dialog.lightbox{border:0;padding:0;max-width:92vw;max-height:88vh;background:transparent}
dialog.lightbox::backdrop{background:rgba(15,17,19,0.88)}
dialog.lightbox img{max-width:92vw;max-height:88vh;object-fit:contain}
.lightbox-close{position:fixed;top:18px;right:22px;color:var(--white);font-size:0.85rem;font-weight:700;border:1px solid rgba(255,255,255,0.5);border-radius:999px;padding:8px 16px}

/* ===== Scope ===== */
.scope{padding:72px 0;border-top:1px solid var(--line)}
.scope-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.scope-chip{border:1px solid var(--line-strong);border-radius:999px;padding:11px 20px;font-size:0.92rem;font-weight:600}

/* ===== Process ===== */
.process{padding:80px 0;border-top:1px solid var(--line)}
.process-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-top:36px}
.process-step{flex:1;text-align:left}
.process-icon{width:32px;height:32px;stroke:var(--black);fill:none;stroke-width:1.6;margin-bottom:16px}
.process-num{display:block;color:var(--lime-deep);font-weight:800;font-size:0.8rem;margin-bottom:8px}
.process-title{font-weight:800;font-size:1.02rem;margin-bottom:6px}
.process-desc{color:var(--gray);font-size:0.85rem;line-height:1.55}
.process-arrow{flex:0 0 auto;width:20px;margin-top:14px;color:var(--lime-deep)}
.process-arrow svg{width:20px;height:20px}

@media (max-width:900px){
  .process-row{flex-direction:column}
  .process-arrow{display:none}
  .process-step{border-top:1px solid var(--line);padding-top:22px;margin-top:22px}
  .process-step:first-child{border-top:0;padding-top:0;margin-top:0}
}

/* ===== Info ===== */
.info{padding:80px 0;border-top:1px solid var(--line);background:#fafafa}
.info-inner{max-width:680px}
.info-title{font-size:clamp(1.8rem,3.6vw,2.5rem);font-weight:800;line-height:1.35;letter-spacing:-0.02em}
.info-body{margin-top:22px;color:var(--gray);font-size:1rem;line-height:1.8}

/* ===== FAQ ===== */
.faq{padding:80px 0;border-top:1px solid var(--line)}
.faq-list{margin-top:32px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 2px;font-weight:700;font-size:1rem;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q-mark{color:var(--lime-deep);font-weight:800;margin-right:10px}
.faq-plus{flex:0 0 auto;width:18px;height:18px;position:relative}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--black);top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-plus::before{width:14px;height:2px}
.faq-plus::after{width:2px;height:14px;transition:transform .2s}
.faq-item[open] .faq-plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-answer{padding:0 2px 24px;color:var(--gray);font-size:0.94rem;line-height:1.7;max-width:70ch}

@media (max-width:640px){
  .faq{padding:48px 0}
  .faq .section-head{margin-bottom:20px}
  .faq-list{margin-top:16px}
  .faq-item summary{padding:15px 2px;font-size:0.9rem;gap:14px;line-height:1.4}
  .faq-answer{padding:0 2px 16px;font-size:0.86rem;line-height:1.6}
}

/* ===== Final CTA ===== */
.final-cta{padding:80px 0;border-top:1px solid var(--line)}
.final-cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border-left:4px solid var(--lime);padding-top:8px;padding-bottom:8px;padding-left:30px;
}
.final-cta-text{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;letter-spacing:-0.02em;line-height:1.4}

.btn-lg{padding:19px 36px;font-size:1.15rem;gap:12px}
.btn-lg svg{width:21px;height:21px}

@media (max-width:480px){
  .final-cta-text,.page-cta-text{font-size:1.3rem}
  .btn-lg{padding:16px 28px;font-size:1.02rem}
}

/* ===== NSEO detail pages ===== */
.page-hero{padding:52px 0 44px;border-bottom:1px solid var(--line)}
.page-kicker{color:var(--lime-deep);font-weight:800;font-size:0.82rem;letter-spacing:0.12em;margin-bottom:14px;display:block}
.page-h1{font-size:clamp(1.9rem,4.4vw,2.7rem);font-weight:800;letter-spacing:-0.02em}
.page-lead{margin-top:16px;color:var(--gray);font-size:1.02rem;max-width:56ch;line-height:1.7}
.page-media{margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.page-media img{width:100%;aspect-ratio:16/8;object-fit:cover}
.page-section{padding:56px 0;border-bottom:1px solid var(--line)}
.page-section h2{font-size:1.35rem;font-weight:800;letter-spacing:-0.01em;margin-bottom:16px}
.page-section p{color:var(--gray);font-size:0.98rem;line-height:1.8;max-width:64ch}
.page-section p + p{margin-top:14px}
.page-points{margin-top:22px;display:grid;gap:14px}
.page-point{display:flex;gap:14px;align-items:flex-start;border-top:1px solid var(--line);padding-top:14px}
.page-point-mark{color:var(--lime-deep);font-weight:800;flex:0 0 auto}
.page-point p{margin:0;max-width:none}
.page-table{margin-top:22px;width:100%;border-collapse:collapse;font-size:0.94rem}
.page-table th,.page-table td{border-top:1px solid var(--line);padding:12px 10px;text-align:left;color:var(--gray)}
.page-table th{color:var(--dark,#111);font-weight:800;white-space:nowrap}
.page-table td:first-child,.page-table th:first-child{white-space:nowrap;padding-right:16px}

.related{padding:60px 0}
.related-title{font-weight:800;font-size:0.85rem;letter-spacing:0.1em;color:var(--gray);margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.related-card{border:1px solid var(--line);display:flex;flex-direction:column}
.related-card:hover{border-color:var(--black)}
.related-card-media{aspect-ratio:4/3;overflow:hidden;background:#eee}
.related-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.related-card:hover .related-card-media img{transform:scale(1.045)}
.related-card-foot{background:var(--charcoal);color:var(--white);padding:12px 14px;display:flex;align-items:baseline;gap:10px}
.related-num{color:var(--lime);font-weight:800;font-size:0.8rem}
.related-name{font-weight:700;font-size:0.92rem}
@media (max-width:760px){.related-grid{grid-template-columns:repeat(2,1fr)}}

.page-cta{padding:64px 0 88px}
.page-cta-inner{border-left:4px solid var(--lime);padding-top:8px;padding-bottom:8px;padding-left:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.page-cta-text{font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;max-width:34ch;line-height:1.45}

/* ===== Footer ===== */
.site-footer{background:var(--black);color:var(--white);padding:52px 0 28px}
.footer-brand{font-weight:800;font-size:1.2rem;margin-bottom:18px}
.footer-info{display:flex;flex-wrap:wrap;gap:6px 28px;font-size:0.86rem;color:#c7c9cb}
.footer-info li b{color:var(--white);font-weight:600;margin-right:6px}
.footer-copy{margin-top:26px;font-size:0.78rem;color:#7d8186;border-top:1px solid #2c3034;padding-top:18px}
.case-grid-single{grid-template-columns:1fr}
.case-site-link{display:inline-block;margin-top:12px;font-weight:700;font-size:0.85rem;color:var(--lime-deep)}
.related-grid.cols-3{grid-template-columns:repeat(2,1fr)}
@media (min-width:761px){.related-grid.cols-3{grid-template-columns:repeat(3,1fr)}}