/*
Theme Name: marblejoint
Description: The달팽이 대리석줄눈시공 — custom business theme
Author: agentjjun
Version: 1.0
*/

:root{
  --ink:#1B2430;
  --ink-soft:#4B5563;
  --bg:#F7F8FA;
  --bg-alt:#EEF1F5;
  --card:#FFFFFF;
  --border:#E3E7ED;
  --accent:#3A6BA5;
  --accent-dark:#2B527F;
  --radius:14px;
  --font: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,42px)}
h2{font-size:clamp(22px,3vw,30px)}
h3{font-size:18px}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.2em}
table{width:100%;border-collapse:collapse;margin:1.2em 0}
table th,table td{border:1px solid var(--border);padding:10px 14px;text-align:left}
table th{background:var(--bg-alt)}
.mj-wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* header */
.mj-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.mj-header-inner{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:24px}
.mj-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--accent);margin-right:auto}
.mj-logo-mark{border-radius:6px}
.mj-nav{display:flex;gap:22px;font-size:15px;font-weight:500}
.mj-nav a:hover{color:var(--accent)}
.mj-header-cta{padding:10px 18px;font-size:14px}

/* buttons */
.mj-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;transition:transform .15s ease,opacity .15s ease}
.mj-btn-accent{background:var(--accent);color:#fff}
.mj-btn-accent:hover{background:var(--accent-dark)}
.mj-btn-lg{padding:16px 36px;font-size:18px}
.mj-btn:active{transform:scale(.97)}

/* hero */
.mj-hero{position:relative;padding:72px 0 64px;overflow:hidden}
.mj-hero-inner{max-width:1080px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.mj-hero-eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:14px;background:#EAF1F9;padding:6px 14px;border-radius:999px;margin-bottom:16px}
.mj-hero-lede{font-size:17px;color:var(--ink-soft);max-width:520px}
.mj-hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.mj-hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px -20px rgba(27,36,48,.35)}
.mj-trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.mj-trust span{background:var(--card);border:1px solid var(--border);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;color:var(--ink-soft)}

/* sections */
.mj-section{padding:56px 0}
.mj-section-alt{background:var(--bg-alt)}
.mj-section-head{max-width:640px;margin:0 auto 32px;text-align:center}
.mj-section-head p{color:var(--ink-soft)}

/* process */
.mj-process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mj-process-step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px}
.mj-process-num{color:var(--accent);font-weight:800;font-size:26px;margin-bottom:8px}
.mj-process-step h3{margin-bottom:6px}
.mj-process-step p{color:var(--ink-soft);font-size:14px;margin:0}

/* card grids */
.mj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;margin:0;padding:0}
.mj-grid > li{margin:0}
.mj-region-grid{list-style:none}
.mj-region-grid > li{margin:0}
.mj-list-tight li{margin-bottom:6px}
.mj-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:block}
.mj-card-img{aspect-ratio:550/410;object-fit:cover;width:100%}
.mj-card-body{padding:16px 18px}
.mj-card-tag{color:var(--accent);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.mj-card h3{margin:6px 0 4px;font-size:17px}
.mj-card p{color:var(--ink-soft);font-size:14px;margin:0}
.mj-card:hover{border-color:var(--accent)}

.mj-region-chip{display:inline-flex;align-items:center;justify-content:center;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 10px;font-weight:700;font-size:14px;text-align:center}
.mj-region-chip:hover{border-color:var(--accent);color:var(--accent)}
.mj-region-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}

/* gallery */
.mj-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mj-gallery img{object-fit:contain;max-height:500px;width:100%;background:var(--bg-alt);border-radius:10px;border:1px solid var(--border)}
.mj-bda{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mj-bda figure{margin:0}
.mj-bda img{object-fit:contain;max-height:500px;width:100%;background:var(--bg-alt);border-radius:10px;border:1px solid var(--border)}
.mj-bda figcaption{text-align:center;font-size:13px;color:var(--ink-soft);margin-top:8px;font-weight:600}

/* faq */
.mj-faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:10px}
.mj-faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.mj-faq summary::-webkit-details-marker{display:none}
.mj-faq summary::after{content:'+';color:var(--accent);font-size:20px;flex:0 0 auto}
.mj-faq details[open] summary::after{content:'−'}
.mj-faq p{margin:10px 0 0;color:var(--ink-soft)}

/* closing CTA */
.mj-closing{background:linear-gradient(180deg,var(--ink) 0%,#111823 100%);color:#fff;padding:64px 0;text-align:center}
.mj-closing-inner{max-width:720px;margin:0 auto;padding:0 20px}
.mj-closing-img{margin:0 auto 28px;border-radius:var(--radius);width:650px;max-width:100%}
.mj-closing-headline{color:#fff;font-size:clamp(20px,3.4vw,30px);margin-bottom:24px}
@media (min-width:769px){ .mj-closing-headline{ white-space:nowrap; } }

/* footer */
.mj-footer{background:#111823;color:#C7CDD6;padding:40px 0 100px}
.mj-footer-inner{max-width:1080px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 2fr;gap:24px;font-size:13px}
.mj-footer-logo{color:var(--accent);font-weight:800;font-size:18px}
.mj-footer-nap p{margin:0 0 6px}
.mj-footer-nap a{text-decoration:underline}
.mj-footer-copy{grid-column:1 / -1;border-top:1px solid #2A3341;padding-top:16px;font-size:12px;color:#8891A0}

/* sticky mobile bar + fab */
.mj-mobile-bar{display:none}
.mj-fab{display:none}
@media (max-width:768px){
  .mj-mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;background:#fff;border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(0,0,0,.08)}
  .mj-mobile-bar-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 0;font-size:12px;font-weight:700;color:var(--ink)}
  .mj-mobile-bar-accent{background:var(--accent);color:#fff}
  body{padding-bottom:64px}
}
@media (min-width:769px){
  .mj-fab{position:fixed;right:28px;bottom:28px;z-index:60;width:56px;height:56px;border-radius:999px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(58,107,165,.4)}
}

/* responsive */
@media (max-width:900px){
  .mj-hero-inner{grid-template-columns:1fr}
  .mj-process{grid-template-columns:repeat(2,1fr)}
  .mj-grid{grid-template-columns:repeat(2,1fr)}
  .mj-region-grid{grid-template-columns:repeat(3,1fr)}
  .mj-gallery{grid-template-columns:repeat(2,1fr)}
  .mj-bda{grid-template-columns:1fr}
  .mj-footer-inner{grid-template-columns:1fr}
  .mj-nav{display:none}
}
@media (max-width:480px){
  .mj-process{grid-template-columns:1fr}
  .mj-grid{grid-template-columns:1fr}
  .mj-region-grid{grid-template-columns:repeat(2,1fr)}
}

.mj-breadcrumb{font-size:13px;color:var(--ink-soft);padding:16px 0 0}
.mj-breadcrumb a:hover{color:var(--accent)}
.mj-last-updated{display:none} /* intentionally unused: no visible dates per client requirement */