/* interlocking-block page — scoped styles, not shared with other pages */
:root{
  --primary:#154360;
  --accent:#5DADE2;
  --bg:#FFFFFF;
  --radius:6px;
  --line:rgba(21,67,96,.16);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--primary);
  font-family:'SUIT Variable','Pretendard',system-ui,sans-serif;
  font-weight:400;
  font-display:swap;
  line-height:1.7;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family:'SUIT Variable','Pretendard',system-ui,sans-serif;
  font-weight:800;
  font-display:swap;
  line-height:1.35;
  margin:0 0 .6em;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius);}
a{color:var(--primary);}
.wrap{max-width:920px;margin-inline:auto;padding-inline:20px;}
.visually-hidden{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;
}

:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

.divider{border-top:1px solid var(--line);margin:0 auto;max-width:920px;}

/* header */
.site-header{border-bottom:1px solid var(--line);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding-block:14px;position:relative;flex-wrap:wrap;
}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;}
.logo-text{font-weight:800;font-size:1.05rem;color:var(--primary);letter-spacing:.02em;}
.nav-toggle-label{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  padding:8px;border-radius:var(--radius);background:none;border:1px solid transparent;
}
.nav-toggle-label:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.nav-toggle-label .bar,
.nav-toggle-label .bar::before,
.nav-toggle-label .bar::after{
  content:"";display:block;width:22px;height:2px;background:var(--primary);
}
.nav-toggle-label .bar::before{transform:translateY(-6px);}
.nav-toggle-label .bar::after{transform:translateY(4px);}
.site-nav ul{
  display:flex;flex-wrap:wrap;gap:18px;list-style:none;margin:0;padding:0;
}
.site-nav a{text-decoration:none;font-size:.95rem;}
.site-nav a:hover{color:var(--accent);}

@media (max-width:720px){
  .nav-toggle-label{display:flex;}
  .site-nav{
    display:none;width:100%;order:3;
  }
  .site-nav.is-open{display:block;}
  .site-nav ul{flex-direction:column;gap:2px;padding-block:10px;}
  .site-nav a{display:block;padding:10px 4px;border-top:1px solid var(--line);}
}

/* hero */
.hero{padding-block:48px;}
.hero-grid{
  display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:center;
}
.hero-text h1{font-size:clamp(1.7rem,3.6vw,2.4rem);}
.hero-summary{font-size:1.05rem;margin:0 0 22px;}
.hero-figure{margin:0;}
.hero-figure img{border-radius:var(--radius);}
.hero-figure figcaption{font-size:.85rem;color:var(--primary);opacity:.75;margin-top:8px;}

@media (max-width:760px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-figure{order:-1;max-width:340px;margin-inline:auto;}
}

/* content sections */
.content-section{padding-block:44px;}
.content-section h2{
  display:inline-block;font-size:clamp(1.3rem,2.6vw,1.7rem);
  border-bottom:4px solid var(--accent);padding-bottom:8px;
}
.content-section p{margin:0 0 1em;}

.callout{
  border-left:4px solid var(--accent);
  background:rgba(93,173,226,.08);
  padding:16px 18px;border-radius:var(--radius);margin-top:18px;
}
.callout p{margin:0;}

/* process */
.process{list-style:none;margin:24px 0 0;padding:0;counter-reset:step;}
.process li{
  counter-increment:step;position:relative;padding:14px 0 14px 44px;
  border-top:1px solid var(--line);
}
.process li:first-child{border-top:none;}
.process li::before{
  content:counter(step);position:absolute;left:0;top:14px;
  width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;
  font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center;
}
.process strong{display:block;margin-bottom:4px;}
.process p{margin:0;font-size:.95rem;}

/* term cards */
.term-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px;}
.term-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
}
.term-card h3{font-size:1.1rem;margin-bottom:8px;}
.term-card p{margin:0;font-size:.95rem;}
@media (max-width:600px){.term-grid{grid-template-columns:1fr;}}

/* table */
.table-wrap{overflow-x:auto;margin-top:20px;}
table{width:100%;border-collapse:collapse;min-width:480px;}
th,td{
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);
  font-size:.95rem;
}
thead th{color:var(--primary);border-bottom:2px solid var(--primary);}
tbody th{font-weight:700;}
.table-note{font-size:.85rem;opacity:.75;margin-top:10px;}

/* checklist */
.checklist{list-style:none;margin:20px 0 0;padding:0;}
.checklist li{
  position:relative;padding:10px 0 10px 30px;border-top:1px solid var(--line);
  font-size:.97rem;
}
.checklist li:first-child{border-top:none;}
.checklist li::before{
  content:"";position:absolute;left:2px;top:14px;width:14px;height:14px;
  border:2px solid var(--accent);border-radius:4px;
}

/* faq */
.faq{margin-top:20px;}
.faq details{
  border-top:1px solid var(--line);padding:14px 0;
}
.faq details:last-child{border-bottom:1px solid var(--line);}
.faq summary{
  cursor:pointer;font-weight:700;list-style:none;padding-right:24px;position:relative;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:0;font-weight:800;color:var(--accent);
}
.faq details[open] summary::after{content:"−";}
.faq p{margin:10px 0 0;font-size:.95rem;}

/* figures */
.shot{margin-inline:auto;max-width:900px;margin-top:26px;text-align:center;}
.shot figcaption{font-size:.85rem;opacity:.75;margin-top:8px;}

/* buttons */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 28px;font-weight:700;text-decoration:none;
  font-size:.98rem;border:2px solid var(--primary);transition:background-color .15s,color .15s;
}
.cta--call.cta--hero,
.cta--sms{
  background:var(--primary);color:#fff;
}
.cta--call.cta--hero:hover,
.cta--sms:hover{background:#0f3247;}
.cta--outline{
  background:transparent;color:var(--primary);
}
.cta--outline:hover{background:var(--primary);color:#fff;}

.cta-block{padding-block:44px;background:rgba(93,173,226,.06);}
.cta-block-inner{text-align:center;}
.cta-block-inner p{max-width:560px;margin-inline:auto 0 auto;margin-bottom:22px;font-size:1.02rem;}
.cta-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* related links */
.related-links{padding-block:40px;}
.related-links h3{font-size:1.2rem;}
.link-cards{
  list-style:none;margin:16px 0 0;padding:0;display:grid;
  grid-template-columns:repeat(2,1fr);gap:12px;
}
.link-cards a{
  display:block;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;text-decoration:none;font-size:.95rem;
}
.link-cards a:hover{border-color:var(--accent);color:var(--accent);}
@media (max-width:480px){.link-cards{grid-template-columns:1fr;}}

/* footer */
footer{border-top:1px solid var(--line);padding-block:32px;margin-top:20px;}
address{font-style:normal;font-size:.9rem;line-height:1.8;opacity:.85;}
footer small{display:block;margin-top:14px;font-size:.8rem;opacity:.6;}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}