/* ==========================================================================
   시스템난방 · 난방분배기교체 technical / precision mechanical service
   ========================================================================== */
@font-face{
  font-family: 'PretendardVariable';
  src: url('/assets/fonts/PretendardVariable.woff2') format('woff2-variations'), url('/assets/fonts/PretendardVariable.woff2') format('woff2');
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}
:root{
  --bg:            #eef0f2;
  --surface:       #fbfbfc;
  --surface-alt:   #e6e9ec;
  --ink:           #1c2024;
  --ink-soft:      #5c625c;
  --ink-faint:     #606560;
  --line:          rgba(28,32,36,.14);
  --line-strong:   rgba(28,32,36,.30);
  --accent:        #fc510e;
  --accent-text:   #b93a09;
  --accent-ink:    #fccab3;
  --accent-dark:   #c9410b;
  --on-accent:     #1c2024;
  --dark:          #1b1e22;
  --dark-soft:     #2a2f35;

  --radius: 0px;

  --gutter: clamp(20px, 4vw, 40px);
  --section-y: clamp(72px, 10vw, 144px);

  --ease: cubic-bezier(.22,1,.36,1);
  --dur: .8s;

  --font: 'PretendardVariable', 'Pretendard', -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
  --font-mono: var(--font);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; font-size: 17px; }
[id]{ scroll-margin-top: 104px; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}
body{
  margin:0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-weight: 450;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,p{ margin:0; }
h1,h2,h3{ text-wrap: balance; font-weight: 700; letter-spacing:-.01em; }
p{ text-wrap: pretty; }
button{ font-family: inherit; }

.mono{ font-family: var(--font-mono); }

a:focus-visible, button:focus-visible, .btn:focus-visible, .faq-q:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link{
  position:absolute; left:16px; top:-60px;
  background: var(--dark); color:#fff; padding:12px 20px;
  font-weight:500; font-size:.9rem;
  z-index:1000; transition: top .2s var(--ease);
}
.skip-link:focus{ top:16px; }

.container{
  max-width: 1320px;
  margin-inline:auto;
  padding-inline: var(--gutter);
}

/* technical eyebrow: no chip, no fill, mono label */
.eyebrow{
  display:flex;
  align-items:center;
  gap:14px;
  font-family: var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 18px;
}
.eyebrow::before{
  content:"";
  width:28px; height:1px;
  background: var(--accent);
  flex-shrink:0;
}
.eyebrow .idx{ color: var(--ink-faint); }

.section-head{ max-width: 640px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head h2{
  font-size: clamp(2rem, 4.6vw, 4.5rem);
  line-height:1.08;
}
.section-head p{
  margin-top:16px;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 52ch;
}
.section-head.split{
  display:flex; align-items:flex-start; justify-content:space-between; gap:32px; max-width:none;
}
.section-head.split .idx-lg{
  font-family: var(--font-mono); font-size: clamp(2rem,4vw,3.4rem); font-weight:300; color: var(--ink-faint); letter-spacing:.02em; flex-shrink:0; line-height:1;
}
@media (max-width: 700px){
  .section-head.split{ flex-direction:column; align-items:flex-start; gap:12px; }
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 16px 26px;
  font-weight:500;
  font-size:.95rem;
  white-space:nowrap;
  border:1px solid transparent;
  cursor:pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--accent); color: var(--on-accent); }
.btn-primary:hover{ background: var(--accent-dark); }
.btn-outline{ background:transparent; border-color: rgba(255,255,255,.5); color:#fff; }
.btn-outline:hover{ border-color:#fff; }
.btn-dark{ background: var(--dark); color:#fff; }
.btn-dark:hover{ background:#000; }
.btn-line{ background:transparent; border-color: var(--line-strong); color: var(--ink); }
.btn-line:hover{ border-color: var(--ink); }
.btn-sm{ padding:11px 18px; font-size:.85rem; }
.btn-block{ width:100%; }

/* ==========================================================================
   14/15. header / nav
   ========================================================================== */
.nav-sentinel{ position:absolute; top:0; height:1px; width:1px; }

.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  padding: 22px 0;
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), padding .35s var(--ease);
}
.site-header .header-inner{
  max-width:1320px;
  margin-inline:auto;
  padding-inline: var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 40px;
}
.site-header.is-scrolled{
  background: var(--surface);
  border-bottom-color: var(--line);
  padding: 14px 0;
}
.site-header.is-scrolled .brand-name,
.site-header.is-scrolled .brand-h1{ color: var(--ink); }
.site-header.is-scrolled .nav-cta{ color: var(--ink); border-color: var(--line-strong); }

.brand{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.brand-mark{ color:#fff; width:32px; height:32px; display:flex; }
.site-header.is-scrolled .brand-mark{ color: var(--accent); }
.brand-mark svg{ width:100%; height:100%; }
.brand-text{ display:flex; flex-direction:column; line-height:1.25; }
.brand-name{ font-weight:700; font-size:1.02rem; color:#fff; transition:color .3s; }
.brand-h1{
  font-family: var(--font-mono);
  font-size:.64rem;
  font-weight:500;
  letter-spacing:.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  transition:color .3s;
}

.header-actions{ display:flex; align-items:center; gap:24px; flex-shrink:0; }
.nav-cta{
  display:inline-flex; align-items:center; gap:6px;
  font-size:.9rem; font-weight:700; color:#fff;
  padding-bottom:3px; border-bottom:1px solid rgba(255,255,255,.5);
  transition: border-color .25s, color .25s;
}
.nav-cta:hover{ border-color: currentColor; }
.nav-cta span{ transition: transform .25s var(--ease); display:inline-block; }
.nav-cta:hover span{ transform: translate(2px,-2px); }

@media (max-width: 900px){
  .nav-cta{ font-size:.85rem; }
}

/* ==========================================================================
   01. hero
   ========================================================================== */
.hero{
  position:relative;
  min-height: 90vh;
  display:flex;
  align-items:center;
  background: var(--dark);
  color:#fff;
  padding: 132px var(--gutter) 64px;
}
.hero-grid{
  max-width:1320px;
  margin-inline:auto;
  width:100%;
  display:grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(32px, 5vw, 64px);
  align-items:center;
}
.hero-eyebrow{
  font-family: var(--font-mono);
  font-size:.78rem;
  letter-spacing:.16em;
  color: rgba(255,255,255,.6);
  margin-bottom:28px;
  line-height:1.8;
}
.hero-copy h1{
  font-size: clamp(40px, 6.2vw, 88px);
  font-weight: 700;
  letter-spacing:-.02em;
  line-height:1;
  color:#fff;
  overflow: hidden;
  white-space: nowrap;
}
.hero-copy h1 .reveal-inner{ display:block; transform: translateY(110%); transition: transform 1s var(--ease); }
.hero-copy.is-revealed h1 .reveal-inner{ transform: translateY(0); }

.hero-copy .hero-lede{
  margin-top:28px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: rgba(255,255,255,.68);
  max-width: 42ch;
  line-height:1.7;
}
.hero-actions{ display:flex; gap:18px; margin-top:40px; flex-wrap:wrap; align-items:center; }

.hero-visual{
  position:relative;
  overflow:hidden;
  aspect-ratio: 4 / 3;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.1s var(--ease);
}
.hero-visual.is-revealed{ clip-path: inset(0 0 0% 0); }
.hero-slides{ position:relative; width:100%; height:100%; }
.hero-slides img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition: opacity 1.2s var(--ease);
}
.hero-slides img.is-active{ opacity:1; }


@media (max-width: 900px){
  .hero{ min-height:auto; padding-top:112px; padding-bottom:48px; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ aspect-ratio: 4/3; order:-1; }
  .hero-copy h1{ font-size: clamp(30px, 10.5vw, 54px); }
}

/* ==========================================================================
   05/06. services grid (3x2, varied composition)
   ========================================================================== */
.svc-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.svc-card{
  position:relative;
  background: var(--surface);
  display:flex; flex-direction:column;
  padding: 30px 28px;
  min-height: 340px;
  transition: background .3s var(--ease);
}
.svc-card .svc-idx{
  font-family: var(--font-mono); font-size:.7rem; color: var(--ink-faint); letter-spacing:.1em;
}
.svc-card h3{ font-size:1.35rem; font-weight:600; margin-top:18px; }
.svc-card .svc-link{ margin-top:auto; padding-top:20px; }
.svc-card .svc-when,
.svc-card .svc-what{ margin-top:14px; }
.svc-card .svc-when span,
.svc-card .svc-what span{
  display:block; font-family: var(--font-mono); font-size:.68rem; font-weight:600; letter-spacing:.12em; color: var(--accent-text); margin-bottom:5px;
}
.svc-card .svc-when p,
.svc-card .svc-what p{ font-size:.92rem; color: var(--ink-soft); line-height:1.6; }
.svc-link{
  margin-top:20px; font-size:.82rem; font-weight:500; color: var(--ink);
  display:inline-flex; align-items:center; gap:8px; letter-spacing:.04em;
}
.svc-link svg{ width:14px; height:14px; transition: transform .3s var(--ease); }
.svc-card:hover .svc-link svg{ transform: translateX(4px); }

/* card 01: photo-led, small title */
.svc-card--photo{ padding:0; }
.svc-card--photo .svc-thumb{ aspect-ratio: 5/4; overflow:hidden; }
.svc-card--photo .svc-thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.svc-card--photo:hover .svc-thumb img{ transform: scale(1.025); }
.svc-card--photo .svc-body{ padding:26px 28px 30px; display:flex; flex-direction:column; flex:1; }
.svc-card--photo .svc-body .svc-when,
.svc-card--photo .svc-body .svc-what{ margin-top:10px; }

/* card 02: dark, typography-only */
.svc-card--dark{ background: var(--dark); color:#fff; }
.svc-card--dark .svc-idx{ color: rgba(255,255,255,.4); }
.svc-card--dark h3{ color:#fff; }
.svc-card--dark .svc-when span,
.svc-card--dark .svc-what span{ color: var(--accent-ink); }
.svc-card--dark .svc-when p,
.svc-card--dark .svc-what p{ color: rgba(255,255,255,.62); }
.svc-card--dark .svc-link{ color:#fff; }

/* card 03: macro photo + metadata */
.svc-card--macro{ padding:0; }
.svc-card--macro .svc-thumb{ aspect-ratio: 4/3; overflow:hidden; position:relative; }
.svc-card--macro .svc-thumb img{ width:100%; height:100%; object-fit:cover; object-position: 38% 42%; transform: scale(1.7); transition: transform .8s var(--ease); }
.svc-card--macro:hover .svc-thumb img{ transform: scale(1.78); }
.svc-card--macro .svc-meta{
  position:absolute; left:14px; bottom:14px; z-index:2;
  font-family: var(--font-mono); font-size:.64rem; letter-spacing:.1em; color:#fff;
  background: rgba(23,25,24,.55); padding:5px 10px;
}
.svc-card--macro .svc-body{ padding:22px 26px 28px; }

/* card 04: wide crop image + description, spans 2 cols */
.svc-card--wide{ padding:0; }
.svc-card--wide .svc-thumb{ aspect-ratio: 16/10; overflow:hidden; }
.svc-card--wide .svc-thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.svc-card--wide:hover .svc-thumb img{ transform: scale(1.025); }
.svc-card--wide .svc-body{ padding:24px 26px 28px; display:flex; flex-direction:column; flex:1; }

/* card 05: text + line graphic, no photo */
.svc-card--lines{ justify-content:center; }
.svc-card--lines .line-graphic{ width:100%; height:1px; background: var(--line-strong); margin: 20px 0; position:relative; overflow:hidden; }
.svc-card--lines .line-graphic::after{
  content:""; position:absolute; inset:0; background: var(--accent);
  transform: scaleX(0); transform-origin:left; transition: transform 1s var(--ease);
}
.svc-card--lines.is-revealed .line-graphic::after{ transform: scaleX(1); }

/* card 06: consult CTA */
.svc-card-cta{
  background: var(--accent);
  color: var(--on-accent);
  justify-content:center;
  gap:14px;
}
.svc-card-cta h3{ font-size:1.5rem; font-weight:500; color: var(--on-accent); }
.svc-card-cta p{ color: rgba(247,247,243,.78); font-size:.92rem; }
.svc-card-cta .btn{ margin-top:8px; align-self:flex-start; }
.svc-card-cta .btn-line{ border-color: rgba(247,247,243,.5); color: var(--on-accent); }
.svc-card-cta .btn-line:hover{ border-color: var(--on-accent); }

@media (max-width: 900px){
  .svc-grid{ grid-template-columns:1fr; }
  .svc-card{ min-height:auto; }
}

/* ==========================================================================
   07. field log (portfolio replacement)
   ========================================================================== */
.fieldlog{ display:flex; flex-direction:column; gap: clamp(48px, 6vw, 88px); }
.fieldlog-row{ display:grid; gap: clamp(20px, 3vw, 32px); align-items:start; }
.fieldlog-row.r1{ grid-template-columns: 1fr; }
.fieldlog-row.r2{ grid-template-columns: 1fr 1.6fr; }
.fieldlog-row.r3{ grid-template-columns: repeat(2, 1fr); }

.fieldlog-item{ position:relative; }
.fieldlog-item .fl-frame{
  overflow:hidden; background: var(--surface-alt);
  clip-path: inset(0 0 100% 0); transition: clip-path 1s var(--ease);
}
.fieldlog-item.is-visible .fl-frame{ clip-path: inset(0 0 0% 0); }
.fieldlog-item img{ width:100%; height:100%; object-fit:cover; }
.fieldlog-row.r1 .fl-frame{ aspect-ratio: 16/8; }
.fieldlog-row.r2 .fl-frame{ height: clamp(240px, 26vw, 380px); }
.fieldlog-row.r3 .fl-frame{ aspect-ratio: 4/3; }

.fieldlog-caption{
  display:flex; align-items:baseline; gap:16px; margin-top:14px;
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em; color: var(--ink-faint);
}
.fieldlog-caption .cap-title{ font-family: var(--font); font-size:.95rem; letter-spacing:0; color: var(--ink); font-weight:500; }

@media (max-width: 900px){
  .fieldlog-row.r2,
  .fieldlog-row.r3{ grid-template-columns: 1fr; }
  .fieldlog-row.r2 .fl-frame{ height:auto; aspect-ratio: 4/3; }
}

/* ==========================================================================
   08. system check (2x2 cross grid, faint photo section background)
   ========================================================================== */
.syscheck-section{ position:relative; background: var(--bg); overflow:hidden; }
.syscheck-bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:.1; pointer-events:none;
}
.syscheck-section .container{ position:relative; z-index:1; }

.syscheck-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap:1px;
  background: var(--line-strong); border:1px solid var(--line-strong);
  max-width: 880px;
}
.syscheck-item{
  background: var(--surface);
  display:flex; flex-direction:column; gap:14px;
  padding: 40px 36px;
}
.syscheck-num{ font-family: var(--font-mono); font-size:2.6rem; font-weight:300; color: var(--ink-faint); }
.syscheck-body h3{ font-size:1.15rem; font-weight:600; }
.syscheck-body p{ margin-top:8px; color: var(--ink-soft); font-size:.95rem; max-width:40ch; }
@media (max-width: 700px){
  .syscheck-grid{ grid-template-columns: 1fr; }
  .syscheck-item{ padding: 30px 26px; }
}

/* ==========================================================================
   09. process (sticky rail + steps)
   ========================================================================== */
.process-wrap{ display:grid; grid-template-columns: 260px 1fr; gap: clamp(40px,6vw,96px); }
.process-rail{ position:sticky; top:120px; align-self:start; height:fit-content; }
.process-rail .rail-label{ font-family: var(--font-mono); font-size:.75rem; letter-spacing:.14em; color: var(--ink-faint); }
.process-rail .rail-count{ font-family: var(--font-mono); font-size:1.1rem; font-weight:600; margin-top:10px; color: var(--ink); }
.process-rail .rail-track{ width:1px; height:160px; background: var(--line-strong); margin-top:24px; position:relative; }
.process-rail .rail-fill{ position:absolute; top:0; left:0; width:100%; height:0%; background: var(--accent); transition: height .2s linear; }

.process-steps{ display:flex; flex-direction:column; }
.process-step{
  padding: 56px 0; border-top:1px solid var(--line);
  display:grid; grid-template-columns: 90px 1fr; gap:28px;
  opacity:.35; transition: opacity .5s var(--ease);
}
.process-step:last-child{ border-bottom:1px solid var(--line); }
.process-step.is-active{ opacity:1; }
.process-step .p-num{ font-family: var(--font-mono); font-size:1.8rem; font-weight:300; color: var(--ink-faint); transition: color .4s; }
.process-step.is-active .p-num{ color: var(--accent-text); }
.process-step h3{ font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight:700; }
.process-step p{ margin-top:12px; color: var(--ink-soft); font-size:1rem; max-width:52ch; }

@media (max-width: 900px){
  .process-wrap{ grid-template-columns:1fr; }
  .process-rail{ position:static; display:flex; align-items:center; gap:16px; margin-bottom:32px; }
  .process-rail .rail-track{ display:none; }
  .process-step{ opacity:1; grid-template-columns: 56px 1fr; gap:16px; padding:36px 0; }
}

/* ==========================================================================
   12. CTA (asymmetric, real photo, no overlay banner)
   ========================================================================== */
.cta-wrap{ display:grid; grid-template-columns: 5fr 7fr; gap: clamp(32px,5vw,64px); align-items:center; }
.cta-copy .eyebrow{ margin-bottom:22px; }
.cta-copy h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height:1.25; }
.cta-copy .btn{ margin-top:32px; }
.cta-photo{ aspect-ratio: 3/2; }
.cta-photo .cta-frame{
  overflow:hidden; width:100%; height:100%; background: var(--surface-alt);
  clip-path: inset(0 0 100% 0); transition: clip-path 1s var(--ease);
}
.cta-photo.is-visible .cta-frame{ clip-path: inset(0 0 0% 0); }
.cta-photo img{ width:100%; height:100%; object-fit:cover; }
@media (max-width: 900px){
  .cta-wrap{ grid-template-columns:1fr; }
  .cta-photo{ order:-1; }
}

/* ==========================================================================
   13. FAQ (hairline, no rounded accordion)
   ========================================================================== */
.faq-list{ border-top:1px solid var(--line-strong); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; align-items:center; gap:20px;
  padding:26px 0; background:none; border:none; text-align:left; cursor:pointer;
}
.faq-q .faq-num{ font-family: var(--font-mono); font-size:.85rem; color: var(--ink-faint); flex-shrink:0; }
.faq-q .faq-text{ flex:1; font-size:1.05rem; font-weight:500; color:var(--ink); }
.faq-q .plus{ width:18px; height:18px; flex-shrink:0; position:relative; }
.faq-q .plus::before,.faq-q .plus::after{ content:""; position:absolute; background: var(--ink); transition: transform .3s var(--ease), background .3s; }
.faq-q .plus::before{ left:0; top:50%; width:100%; height:1px; transform: translateY(-50%); }
.faq-q .plus::after{ top:0; left:50%; width:1px; height:100%; transform: translateX(-50%); }
.faq-item.is-open .plus::after{ transform: translateX(-50%) rotate(90deg); opacity:0; }
.faq-item.is-open .plus::before{ background: var(--accent); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .5s var(--ease); }
.faq-a p{ padding: 0 38px 26px; color: var(--ink-soft); font-size:.95rem; max-width:64ch; }

/* ==========================================================================
   footer
   ========================================================================== */
.site-footer{ background: var(--dark); color: rgba(255,255,255,.68); margin-top: var(--section-y); }
.footer-inner{
  max-width:1320px; margin-inline:auto; padding: 72px var(--gutter) 40px;
  display:flex; flex-wrap:wrap; gap: 48px; justify-content:space-between;
}
.footer-col{ flex:1; min-width:180px; }
.footer-heading{ color:#fff; font-size:.95rem; font-weight:500; margin-bottom:20px; }
.footer-biz-list li{ display:flex; flex-direction:column; gap:2px; font-size:.86rem; margin-bottom:14px; }
.footer-biz-list li span{ font-family: var(--font-mono); font-size:.66rem; letter-spacing:.08em; color: rgba(255,255,255,.4); }
.footer-link-list li{ margin-bottom:12px; }
.footer-link-list a{ font-size:.9rem; transition:color .2s; }
.footer-link-list a:hover{ color:#fff; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding: 22px var(--gutter);
  font-family: var(--font-mono);
  font-size:.72rem; color: rgba(255,255,255,.38);
  max-width:1320px; margin-inline:auto;
}
@media (max-width: 700px){
  .footer-inner{ gap:32px; }
  .footer-col{ min-width: 45%; }
}

/* ==========================================================================
   motion utilities
   ========================================================================== */
.reveal{ opacity:0; transform: translateY(20px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

.reveal-line{ overflow:hidden; }
.reveal-line > *{ transform: translateY(105%); transition: transform var(--dur) var(--ease); }
.reveal-line.is-visible > *{ transform:none; }

/* .clip-reveal is a JS observe-hook only (no self clip-path): applying clip-path
   directly to the observed element breaks IntersectionObserver's intersection
   ratio in Chromium, so the clip always lives on a child (.fl-frame / .cta-frame). */

.stagger > *{ opacity:0; transition: opacity var(--dur) var(--ease); }
.stagger.is-visible > *{ opacity:1; }
.stagger.is-visible > *:nth-child(1){ transition-delay: .05s; }
.stagger.is-visible > *:nth-child(2){ transition-delay: .12s; }
.stagger.is-visible > *:nth-child(3){ transition-delay: .19s; }
.stagger.is-visible > *:nth-child(4){ transition-delay: .26s; }
.stagger.is-visible > *:nth-child(5){ transition-delay: .33s; }
.stagger.is-visible > *:nth-child(6){ transition-delay: .4s; }

@media (prefers-reduced-motion: reduce){
  .reveal,.reveal-line > *,.stagger > *,.hero-copy h1 .reveal-inner,.hero-visual,.fieldlog-item .fl-frame,.cta-photo .cta-frame{
    opacity:1 !important; transform:none !important; clip-path:none !important; transition:none !important;
  }
}

section{ padding-block: var(--section-y); }
section.section-tight{ padding-block: clamp(48px,6vw,80px); }
.bg-surface{ background: var(--surface); }
.bg-alt{ background: var(--surface-alt); }

/* ==========================================================================
   shared detail-page components (hairline aesthetic)
   ========================================================================== */
.detail-hero{
  position:relative; min-height: 60vh; display:flex; align-items:flex-end;
  padding: 140px var(--gutter) 56px; isolation:isolate;
}
.detail-hero img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:-2; }
.detail-hero::before{ content:""; position:absolute; inset:0; z-index:-1; background: rgba(23,25,24,.68); }
.detail-hero-body{ max-width:760px; color:#fff; }
.detail-hero-body h1{ font-size: clamp(2.2rem,4.4vw,3.4rem); font-weight:500; letter-spacing:-.02em; line-height:1.12; color:#fff; }
.detail-hero-body p{ margin-top:18px; color: rgba(255,255,255,.75); max-width:60ch; }

.summary-box{
  background: var(--surface); border:1px solid var(--line-strong);
  padding: 32px; display:grid; grid-template-columns: repeat(3,1fr); gap:28px;
}
.summary-box div{ display:flex; flex-direction:column; gap:8px; }
.summary-box span{ font-family: var(--font-mono); font-size:.7rem; color: var(--ink-faint); letter-spacing:.08em; text-transform:uppercase; }
.summary-box strong{ font-size:1.02rem; font-weight:500; color: var(--ink); }
@media (max-width:700px){ .summary-box{ grid-template-columns:1fr; } }

.check-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.check-grid--2{ grid-template-columns: repeat(2,1fr); }
@media (max-width:560px){ .check-grid--2{ grid-template-columns: 1fr; } }

.fact-list{ display:flex; flex-direction:column; }
.fact-row{
  padding: 30px 0; border-top:1px solid var(--line);
  display:grid; grid-template-columns: 64px 1fr; gap:24px;
}
.fact-row:last-child{ border-bottom:1px solid var(--line); }
.fact-row .f-num{ font-family: var(--font-mono); font-size:1.1rem; font-weight:300; color: var(--ink-faint); }
.fact-row strong{ display:block; font-size:1.06rem; font-weight:600; color: var(--ink); }
.fact-row p{ margin-top:8px; color: var(--ink-soft); font-size:.94rem; max-width:60ch; }
@media (max-width:560px){ .fact-row{ grid-template-columns: 40px 1fr; gap:14px; } }
.check-card{ background: var(--surface); padding: 26px 24px; display:flex; flex-direction:column; gap:12px; }
.check-card .ico{ width:34px; height:34px; border:1px solid var(--line-strong); color: var(--accent); display:flex; align-items:center; justify-content:center; }
.check-card .ico svg{ width:18px; height:18px; }
.check-card h4{ font-size:1rem; font-weight:500; }
.check-card p{ font-size:.88rem; color: var(--ink-soft); }
@media (max-width:900px){ .check-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .check-grid{ grid-template-columns: 1fr; } }

.compare{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background: var(--line); }
.compare figure{ margin:0; overflow:hidden; position:relative; background: var(--surface); }
.compare figure img{ width:100%; height:auto; aspect-ratio: 4/3; object-fit:cover; }
.compare figcaption{
  position:absolute; left:0; bottom:0; background: rgba(23,25,24,.78); color:#fff;
  padding:8px 16px; font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em;
}
@media (max-width:700px){ .compare{ grid-template-columns:1fr; } }

.gallery-strip{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.gallery-strip figure{ margin:0; overflow:hidden; position:relative; aspect-ratio:4/3; background: var(--surface); }
.gallery-strip img{ width:100%; height:100%; object-fit:cover; display:block; }
.gallery-strip figcaption{
  position:absolute; left:0; bottom:0; background: rgba(23,25,24,.78); color:#fff;
  padding:7px 14px; font-family: var(--font-mono); font-size:.68rem; letter-spacing:.06em;
}
@media (max-width:760px){ .gallery-strip{ grid-template-columns:1fr; } }

.photo-band{ width:100%; aspect-ratio:2.4/1; overflow:hidden; position:relative; border:1px solid var(--line); }
.photo-band img{ width:100%; height:100%; object-fit:cover; display:block; }
@media (max-width:700px){ .photo-band{ aspect-ratio:4/3; } }

.info-panel{
  background: var(--dark); color:#fff; padding: 40px 36px;
  display:grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.info-panel h3{ font-size:1.05rem; font-weight:500; margin-bottom:14px; }
.info-panel p, .info-panel li{ color: rgba(255,255,255,.65); font-size:.92rem; }
.info-panel ul{ display:flex; flex-direction:column; gap:10px; }
.info-panel li{ display:flex; gap:10px; }
.info-panel li::before{ content:"-"; color: var(--accent); flex-shrink:0; font-family: var(--font-mono); }
@media (max-width:700px){ .info-panel{ grid-template-columns:1fr; } }

.link-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
@media (max-width:900px){ .link-grid{ grid-template-columns:1fr; } }

/* consultation page */
.consult-hero{
  background: var(--dark); color:#fff; padding: 152px var(--gutter) 72px; text-align:left;
}
.consult-hero .container{ max-width:1320px; }
.consult-hero h1{ font-size: clamp(2rem,4vw,3rem); font-weight:500; }
.consult-hero p{ margin-top:16px; color: rgba(255,255,255,.68); max-width:52ch; }

.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 1px; max-width: 960px; background: var(--line); border:1px solid var(--line);
}
.contact-card{
  background: var(--surface); padding: 44px 36px; text-align:left; display:flex; flex-direction:column; gap:16px;
}
.contact-card .ico{ width:40px; height:40px; border:1px solid var(--line-strong); color: var(--accent); display:flex; align-items:center; justify-content:center; }
.contact-card .ico svg{ width:20px; height:20px; }
.contact-card h3{ font-size:1rem; font-weight:500; }
.contact-card .phone-number{
  font-family: var(--font-mono); font-size: clamp(1.5rem,3vw,2rem); font-weight:700; letter-spacing:-.01em; color: var(--ink);
}
.contact-card p{ color: var(--ink-soft); font-size:.88rem; }
@media (max-width:700px){ .contact-grid{ grid-template-columns:1fr; } }

.hours-panel{
  max-width:960px; margin: 48px 0 0; display:grid; grid-template-columns: 1fr 1fr; gap:1px;
  background: var(--line); border:1px solid var(--line);
}
.hours-panel div{ background: var(--surface); padding:26px 30px; }
.hours-panel div span{ display:block; font-family: var(--font-mono); font-size:.7rem; color: var(--ink-faint); letter-spacing:.08em; margin-bottom:8px; }
.hours-panel div strong{ font-size:1rem; font-weight:500; }
@media (max-width:600px){ .hours-panel{ grid-template-columns:1fr; } }

/* 404 */
.error-page{
  min-height:56vh; display:flex; flex-direction:column; align-items:flex-start; justify-content:center;
  padding: 160px var(--gutter) 100px; gap:16px; max-width:1320px; margin-inline:auto;
}
.error-page .code{ font-family: var(--font-mono); font-size: clamp(2.5rem,6vw,4rem); font-weight:300; color: var(--accent-text); }
.error-page h1{ font-size: clamp(1.4rem,3vw,2rem); font-weight:500; }
.error-page p{ color: var(--ink-soft); max-width:48ch; }
.error-page .actions{ display:flex; gap:14px; margin-top:10px; flex-wrap:wrap; }