/* ===========================================================
   대구MH건업 · 씽크대막힘 사이트 공통 디자인 시스템
   Primary: #100021 (남색-블랙 계열, CTA/배지/히어로 오버레이 전용)
   =========================================================== */

:root{
  --primary:#100021;
  --primary-light:#2d1b4d;
  --accent:#2f7dfc;
  --accent-soft:#e8f0ff;
  --bg:#f7f8fb;
  --bg-alt:#ffffff;
  --line:#e5e7ec;
  --text:#1c1f26;
  --text-dim:#5b6270;
  --danger:#d64545;
  --ok:#1f9d55;
  --radius:14px;
  --shadow:0 8px 24px rgba(16,0,33,.08);
  --shadow-lg:0 16px 40px rgba(16,0,33,.14);
  --maxw:1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  word-break:keep-all;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:var(--primary)}
.logo img{height:32px;width:auto}
.nav-desktop{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600;color:var(--text-dim)}
.nav-desktop a:hover{color:var(--primary)}
.header-cta{
  display:flex;align-items:center;gap:10px;
}

/* ---------- Mobile menu ---------- */
.mobile-menu-toggle{display:none}
.mobile-menu-btn{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:30px;height:30px;cursor:pointer;flex-shrink:0;
}
.mobile-menu-btn span{display:block;height:2px;background:var(--primary);border-radius:2px;transition:.2s}
.mobile-menu-toggle:checked ~ .wrap .mobile-menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-toggle:checked ~ .wrap .mobile-menu-btn span:nth-child(2){opacity:0}
.mobile-menu-toggle:checked ~ .wrap .mobile-menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{
  display:none;flex-direction:column;max-height:0;overflow:hidden;
  background:#fff;border-top:1px solid var(--line);transition:max-height .25s ease;
}
.mobile-menu-toggle:checked ~ .nav-mobile{max-height:480px;overflow-y:auto}
.nav-mobile > a{padding:15px 20px;font-weight:700;font-size:15px;color:var(--text);border-bottom:1px solid var(--line)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.15s;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--accent-soft)}
.btn-lg{padding:16px 30px;font-size:17px}
.btn-block{width:100%}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:13px;color:var(--text-dim);padding:14px 0}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 6px;color:#c3c6ce}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  min-height:78vh;display:flex;align-items:center;
  background:linear-gradient(120deg,var(--primary) 0%,#241046 60%,#1a0c33 100%);
}
.hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
}
.hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,4,24,.2) 0%,rgba(10,4,24,.32) 45%,rgba(10,4,24,.78) 100%);
}
.hero-inner{position:relative;width:100%;padding:64px 0 56px;text-align:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px;
  color:#fff;backdrop-filter:blur(4px);
}
.hero h1{
  font-size:clamp(28px,4.2vw,42px);font-weight:800;line-height:1.35;margin-bottom:14px;
  color:#fff;letter-spacing:-.01em;text-shadow:0 3px 18px rgba(0,0,0,.5);
}
.hero h1 .accent{color:#ffd60a}
.hero p.lead{font-size:16px;color:#e9e5f2;max-width:620px;margin:0 auto 26px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:0;justify-content:center;margin-top:36px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.16);padding-top:24px;
}
.hero-stats div{padding:0 26px;text-align:center}
.hero-stats b{display:block;font-size:22px}
.hero-stats span{font-size:12px;color:#c9c2da}

/* ---------- Sections ---------- */
section{padding:56px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;margin-bottom:34px}
.eyebrow{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.04em}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-top:8px}
.section-head p{color:var(--text-dim);margin-top:10px;font-size:15px}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.card p{color:var(--text-dim);font-size:14.5px}

/* ---------- Before/After ---------- */
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ba-pair figure{margin:0;border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line)}
.ba-pair figcaption{
  position:absolute;left:10px;top:10px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;
}
.ba-pair img{aspect-ratio:4/3;object-fit:cover}

/* ---------- Symptom Form ---------- */
.consult-form{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:34px;box-shadow:var(--shadow-lg);
}
.form-row{margin-bottom:22px}
.form-row label{display:block;font-weight:800;font-size:14.5px;margin-bottom:10px}
.form-row .req{color:var(--danger);margin-left:2px}
.chip-group{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  border:1.5px solid var(--line);background:#fbfbfd;border-radius:999px;
  padding:9px 16px;font-size:13.5px;font-weight:700;color:var(--text-dim);cursor:pointer;
}
.chip input{display:none}
.chip:has(input:checked){background:var(--accent-soft);border-color:var(--accent);color:var(--primary)}
.input,textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:13px 14px;
  font-size:15px;font-family:inherit;background:#fbfbfd;
}
.input:focus,textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.grid-input-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.privacy-note{font-size:12.5px;color:var(--text-dim);margin-top:14px;line-height:1.6}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item summary{
  cursor:pointer;font-weight:800;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--accent);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item .a{color:var(--text-dim);margin-top:12px;font-size:14.5px}

/* ---------- Table (compare) ---------- */
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table.compare{width:100%;border-collapse:collapse;background:#fff;font-size:14.5px}
table.compare th,table.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
table.compare thead th{background:var(--primary);color:#fff;font-weight:800}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td.good{color:var(--ok);font-weight:700}
table.compare td.bad{color:var(--danger);font-weight:700}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.step .num{
  width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px;
}

/* ---------- Price table ---------- */
.price-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.price-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.price-row:last-child{border-bottom:none}
.price-row b{color:var(--primary)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--primary);color:#fff;border-radius:20px;padding:40px;text-align:center;
}
.cta-band h2{font-size:24px;font-weight:800;margin-bottom:10px}
.cta-band p{color:#d8d0ea;margin-bottom:22px}
.cta-band .btn-primary{background:#fff;color:var(--primary)}
.cta-band .btn-primary:hover{background:var(--accent-soft)}

/* ---------- Footer ---------- */
.site-footer{background:#0c0018;color:#c9c2da;padding:44px 0 100px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:26px}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:14px}
.footer-grid a{display:block;color:#c9c2da;font-size:13.5px;padding:5px 0}
.footer-grid a:hover{color:#fff}
.biz-info{font-size:12.5px;color:#9b93ad;line-height:1.9;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}

/* ---------- Floating call button ---------- */
.floating-call{
  position:fixed;right:18px;bottom:18px;z-index:80;
  display:flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;padding:14px 20px;border-radius:999px;
  box-shadow:var(--shadow-lg);font-weight:800;font-size:14.5px;
}
.floating-call .dot{width:9px;height:9px;border-radius:50%;background:#4be07c;animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(75,224,124,.6)}70%{box-shadow:0 0 0 8px rgba(75,224,124,0)}100%{box-shadow:0 0 0 0 rgba(75,224,124,0)}}

/* ---------- Related links ---------- */
.related-links{display:flex;flex-wrap:wrap;gap:10px}
.related-links a{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:9px 16px;font-size:13.5px;font-weight:700;color:var(--text-dim);
}
.related-links a:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- Review slider ---------- */
.review-slider{
  overflow:hidden;position:relative;padding:6px 0 16px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
}
.review-track{
  display:flex;gap:16px;width:max-content;
  animation:review-scroll 36s linear infinite;
}
.review-slider:hover .review-track{animation-play-state:paused}
@keyframes review-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
.review-card{
  flex:0 0 280px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.review-stars{color:#f5a623;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review-quote{font-size:14px;color:var(--text);line-height:1.65;margin-bottom:18px;min-height:88px}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  background:var(--accent-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.review-author b{display:block;font-size:13.5px}
.review-author span{font-size:12px;color:var(--text-dim)}

/* ---------- Utility ---------- */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.center{text-align:center}
.small{font-size:13px;color:var(--text-dim)}

@media (prefers-reduced-motion:reduce){
  .review-track{animation:none}
}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-desktop{display:none}
  .mobile-menu-btn{display:flex}
  .nav-mobile{display:flex}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .ba-pair{grid-template-columns:1fr}
  .grid-input-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .hero-stats div{padding:0 14px}
  .hero{min-height:64vh}
}