/*
Theme Name: MH Piping
Description: 하수관·배관막힘 전문 서비스 테마
Version: 1.0
*/

:root{
  --blue:#15803d;
  --blue-dark:#14532d;
  --gray-900:#111827;
  --gray-700:#374151;
  --gray-500:#6b7280;
  --gray-200:#e5e7eb;
  --gray-100:#f3f4f6;
  --bg:#ffffff;
  --accent:#1d4ed8;
  --accent-light:#dbeafe;
  --radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;
  color:var(--gray-900);
  background:var(--bg);
  font-size:17px;
  line-height:1.7;
}
img,svg{max-width:100%}
a{color:inherit}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* accent variants */
body.accent-blue{--accent:#1d4ed8;--accent-light:#dbeafe}
body.accent-orange{--accent:#c2410c;--accent-light:#ffedd5}
body.accent-red{--accent:#b91c1c;--accent-light:#fee2e2}
body.accent-green{--accent:#15803d;--accent-light:#dcfce7}
body.accent-purple{--accent:#6d28d9;--accent-light:#ede9fe}
body.accent-brown{--accent:#78350f;--accent-light:#f3e8d9}

/* header */
.site-header{border-bottom:1px solid var(--gray-200);position:sticky;top:0;background:#fff;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px;position:relative}
.site-brand{font-weight:700;font-size:18px;color:var(--blue-dark);text-decoration:none;letter-spacing:-0.02em}
.main-nav{display:flex;gap:22px;align-items:center}
.main-nav > ul{list-style:none;display:flex;gap:22px;margin:0;padding:0}
.main-nav li{position:relative}
.main-nav a.nav-link{text-decoration:none;font-size:15px;font-weight:500;color:var(--gray-700);padding:8px 2px}
.main-nav a.nav-link:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none}
.nav-toggle-input{display:none}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;cursor:pointer;order:3}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--gray-900);transition:transform .2s,opacity .2s}

/* photos */
.hero-photo{margin:24px auto 0;border-radius:var(--radius);overflow:hidden;max-width:480px;max-height:340px;aspect-ratio:4/3}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.hero-video{border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;max-width:360px;max-height:460px;margin:0 auto}
.hero-video video{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.photo-box{border-radius:var(--radius);overflow:hidden;max-height:320px;line-height:0}
.photo-box img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}

/* hero */
.hero{background:linear-gradient(180deg,var(--accent-light) 0%, #fff 100%);padding:64px 0 48px}
.hero .container{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.hero h1{font-size:clamp(28px,4vw,42px);margin:0;line-height:1.3;color:var(--gray-900)}
.hero p.subtitle{font-size:18px;color:var(--gray-700);margin:0;max-width:640px}
.hero-buttons{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:10px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{background:#fff;border-color:var(--accent);color:var(--accent)}
.btn:hover{filter:brightness(0.92)}

/* sections */
section{padding:48px 0}
section.alt{background:var(--gray-100)}
h2.section-title{font-size:26px;margin:0 0 8px;color:var(--gray-900)}
p.section-lead{color:var(--gray-500);margin:0 0 28px;font-size:16px}

/* pattern A: linear */
.pattern-a .stack{display:flex;flex-direction:column;gap:32px}

/* pattern B: left text / right visual */
.split{display:grid;grid-template-columns:1.1fr 0.9fr;gap:36px;align-items:center}
.split.reverse{grid-template-columns:0.9fr 1.1fr}
.split.reverse .visual{order:-1}
@media (max-width:760px){.split,.split.reverse{grid-template-columns:1fr}.split.reverse .visual{order:0}}

.visual-box{background:var(--accent-light);border-radius:var(--radius);padding:28px;display:flex;align-items:center;justify-content:center;min-height:220px}
.visual-box svg{width:120px;height:120px;color:var(--accent)}
.checklist{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.checklist li{padding-left:28px;position:relative;color:var(--gray-700)}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}

/* pattern D: card grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{border:1px solid var(--gray-200);border-radius:var(--radius);padding:22px;background:#fff}
.card .icon{width:44px;height:44px;color:var(--accent);margin-bottom:12px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;color:var(--gray-500);font-size:14px}

/* pattern E: timeline */
.timeline{display:flex;flex-direction:column;gap:0;border-left:3px solid var(--accent-light);margin-left:14px;padding-left:28px}
.timeline .step{position:relative;padding:0 0 32px}
.timeline .step:last-child{padding-bottom:0}
.timeline .step::before{content:attr(data-step);position:absolute;left:-42px;top:0;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.timeline h3{margin:0 0 6px;font-size:17px}
.timeline p{margin:0;color:var(--gray-700)}

/* pattern F: accordion */
.accordion details{border:1px solid var(--gray-200);border-radius:10px;padding:16px 18px;margin-bottom:12px}
.accordion summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"+";color:var(--accent);font-size:20px}
.accordion details[open] summary::after{content:"–"}
.accordion p{margin:10px 0 0;color:var(--gray-700)}

/* carousel cards (main page) — 3 per row x 2 rows */
.carousel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:860px){.carousel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.carousel-grid{grid-template-columns:1fr}}
.carousel-card{border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--gray-900);background:#fff;transition:box-shadow .15s,transform .15s}
.carousel-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.1);transform:translateY(-2px)}
.carousel-card .card-photo{aspect-ratio:16/10;max-height:180px;overflow:hidden;background:var(--gray-100);display:flex;align-items:center;justify-content:center}
.carousel-card .card-photo img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.carousel-card .card-body{padding:16px 18px 20px}
.carousel-card h3{font-size:15px;margin:0 0 6px}
.carousel-card p{font-size:13px;color:var(--gray-500);margin:0}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.review-card{border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;background:#fff}
.review-card .stars{color:#f59e0b;font-size:14px;margin-bottom:8px}
.review-card .who{font-weight:700;font-size:14px;margin-bottom:6px}
.review-card p{font-size:14px;color:var(--gray-700);margin:0}
.stat-row{display:flex;flex-direction:column;gap:28px;margin-top:20px;justify-content:center}
.stat{}
.stat .num{font-size:56px;font-weight:800;color:var(--accent);line-height:1.1}
.stat .label{font-size:18px;color:var(--gray-500)}

/* cta band */
.cta-band{background:var(--blue-dark);color:#fff;text-align:center}
.cta-band h2{color:#fff;margin:0 0 10px;font-size:24px}
.cta-band p{color:#dbeafe;margin:0 0 20px}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:#fff}

/* footer */
.site-footer{background:var(--gray-900);color:#d1d5db;padding:40px 0 24px;font-size:14px}
.site-footer .container{display:flex;flex-direction:column;gap:6px}
.site-footer .foot-links{margin-top:10px;color:#9ca3af}
.site-footer a{text-decoration:underline}
.site-footer .copyright{margin-top:16px;color:#6b7280;font-size:12.5px}

/* breadcrumb / sitemap */
.crumb{font-size:13px;color:var(--gray-500);margin-bottom:10px}
.sitemap-list{columns:2;gap:40px}
@media (max-width:640px){.sitemap-list{columns:1}}
.sitemap-list h2{font-size:17px;margin:20px 0 8px;break-inside:avoid}
.sitemap-list ul{list-style:none;margin:0 0 16px;padding:0}
.sitemap-list li{margin-bottom:6px}
.sitemap-list a{text-decoration:none;color:var(--blue)}
.sitemap-list a:hover{text-decoration:underline}

@media (max-width:640px){
  .site-header .container{height:56px}
  .nav-toggle{display:flex}
  .nav-cta{padding:8px 12px;font-size:13px}
  .main-nav{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--gray-200);box-shadow:0 8px 16px rgba(0,0,0,.08)}
  .main-nav > ul{flex-direction:column;gap:0;padding:6px 0}
  .main-nav li{width:100%}
  .main-nav a.nav-link{display:block;padding:14px 20px;font-size:16px}
  .nav-toggle-input:checked ~ .main-nav{display:block}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(2){opacity:0}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  body{font-size:16px}
  .hero{padding:40px 0 32px}
  .btn{padding:12px 18px;font-size:14px}
  section{padding:36px 0}
}