/*
  [디자인 클론 출처] https://sidewalkblock.kjipsuri.com/
  클론된 항목(색상 제외): radius/shadow 스케일, 레이아웃 변수(--header-h, --container,
  --section-v), 폰트(Pretendard, Space Grotesk), 이징(--ease-expo), 헤더/히어로/카드/
  FAQ 스플릿 아코디언/푸터/플로팅 CTA 구조.
  색상은 바스미디아 업종(욕실·타일)에 맞춘 파스텔 블루로 재지정.
*/

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --clr-primary:      #1E2A38;
  --clr-accent:       #8FC1E3;
  --clr-accent-dark:  #4F8FCB;
  --clr-accent-rgb:   143,193,227;
  --clr-bg:           #F7FAFC;
  --clr-bg-alt:       #EFF5FA;
  --clr-bg-card:      #E4EFF7;
  --clr-bg-footer:    #10202E;
  --clr-text:         #1E2A38;
  --clr-text-muted:   #5B6B78;
  --clr-border:       #DCE6EE;

  --shadow-sm: 0 2px 8px rgba(16,32,46,.06);
  --shadow-md: 0 6px 24px rgba(16,32,46,.10), 0 2px 8px rgba(16,32,46,.06);
  --shadow-lg: 0 16px 48px rgba(16,32,46,.13), 0 4px 14px rgba(16,32,46,.07);
  --shadow-accent: 0 8px 28px rgba(var(--clr-accent-rgb),.35);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 999px;

  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --font-heading: 'Pretendard', -apple-system, 'Apple SD Gothic Neo', sans-serif;
  --font-body:    'Pretendard', -apple-system, 'Apple SD Gothic Neo', sans-serif;
  --font-label:   'Space Grotesk', 'Pretendard', sans-serif;

  --header-h: 72px;
  --container: 1100px;
  --section-v: 88px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.8;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}
h1, h2, h3 { font-family: var(--font-heading); font-weight: 800; letter-spacing: -0.03em; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
::selection { background: var(--clr-accent); color: #10202E; }

.section-container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section-eyebrow {
  font-family: var(--font-label); font-size: .68rem; font-weight: 700;
  letter-spacing: .3em; text-transform: uppercase; color: var(--clr-accent-dark);
  display: inline-flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.section-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--clr-accent-dark); }
.section-h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.25; color: var(--clr-primary); }
.section-lead { font-size: .95rem; color: var(--clr-text-muted); margin-top: 14px; max-width: 560px; }
.section-header { margin-bottom: 40px; }
.section-header.center { text-align: center; }
.section-header.center .section-lead { margin-left: auto; margin-right: auto; }

.reveal-anim { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-expo), transform .7s var(--ease-expo); }
.reveal-anim.visible { opacity: 1; transform: translateY(0); }

/* Header */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900; height: var(--header-h);
  background: rgba(247,250,252,.9); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  transition: background .3s var(--ease-expo), box-shadow .3s var(--ease-expo);
}
#site-header.scrolled { background: rgba(247,250,252,.98); box-shadow: var(--shadow-sm); }
.site-header-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px; height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.05rem; color: var(--clr-primary); }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { font-size: .88rem; font-weight: 600; color: var(--clr-text); padding: 8px 12px; border-radius: var(--radius-sm); white-space: nowrap; transition: color .2s, background .2s; }
.site-nav a:hover { color: var(--clr-accent-dark); background: rgba(var(--clr-accent-rgb),.15); }
.site-nav .nav-cta { background: var(--clr-accent); color: var(--clr-primary); padding: 9px 18px; border-radius: var(--radius-full); font-weight: 700; margin-left: 8px; transition: background .2s, transform .2s; }
.site-nav .nav-cta:hover { background: var(--clr-accent-dark); color: #fff; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px; padding: 8px 6px; justify-content: center; }
.hamburger span { display: block; height: 2px; background: var(--clr-primary); transition: transform .3s var(--ease-expo), opacity .2s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; z-index: 899;
  background: #F7FAFC; padding: 16px 24px 28px;
  box-shadow: var(--shadow-lg); flex-direction: column; gap: 2px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1rem; font-weight: 600; padding: 14px 12px; border-bottom: 1px solid var(--clr-border); }
.mobile-nav a.mobile-cta { margin-top: 10px; background: var(--clr-accent); color: var(--clr-primary); text-align: center; border-radius: var(--radius-full); border-bottom: none; font-weight: 700; }

/* Hero */
.hero-section { max-width: var(--container); margin: 0 auto; padding: calc(var(--header-h) + 48px) 24px 64px; }
.hero-eyebrow { font-family: var(--font-label); font-size: .68rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; color: var(--clr-accent-dark); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.hero-eyebrow::before { content: ''; width: 20px; height: 1px; background: var(--clr-accent-dark); }
.hero-h1 { font-size: clamp(2.1rem, 4.2vw, 3.2rem); line-height: 1.2; color: var(--clr-primary); margin: 0 0 6px; }
.hero-h1 em { font-style: normal; color: var(--clr-accent-dark); }
.hero-lead { font-size: 1rem; color: var(--clr-text-muted); margin: 18px 0 28px; max-width: 620px; }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; background: var(--clr-accent); color: var(--clr-primary);
  font-weight: 700; font-size: .92rem; padding: 14px 26px; border-radius: var(--radius-full);
  transition: background .2s, transform .2s var(--ease-expo), box-shadow .2s;
}
.btn-primary:hover { background: var(--clr-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-accent); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--clr-primary);
  font-weight: 700; font-size: .92rem; padding: 14px 26px; border-radius: var(--radius-full); border: 1px solid var(--clr-border);
  transition: border-color .2s, background .2s;
}
.btn-ghost:hover { border-color: var(--clr-accent-dark); background: var(--clr-bg-card); }

/* Trust bar */
.trust-bar { background: var(--clr-bg-card); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); padding: 28px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.trust-num { font-family: var(--font-label); font-size: 1.4rem; font-weight: 700; color: var(--clr-primary); }
.trust-label { font-size: .82rem; color: var(--clr-text-muted); margin-top: 4px; }

/* 비용/서비스 표 */
.cost-section { padding: var(--section-v) 0; background: var(--clr-bg); }
table.svc-table { width: 100%; border-collapse: collapse; }
table.svc-table th, table.svc-table td { border: 1px solid var(--clr-border); padding: 12px 14px; text-align: left; font-size: .9rem; }
table.svc-table th { background: var(--clr-bg-card); color: var(--clr-primary); font-weight: 700; }

/* Services grid */
.services-section { padding: var(--section-v) 0; background: var(--clr-bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.svc-card { display: block; background: var(--clr-bg); border: 1px solid var(--clr-border); padding: 22px; transition: box-shadow .3s, transform .3s var(--ease-expo); }
.svc-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.svc-region { font-family: var(--font-label); font-size: .68rem; font-weight: 700; letter-spacing: .08em; color: var(--clr-accent-dark); text-transform: uppercase; }
.svc-title { font-size: 1.02rem; font-weight: 700; color: var(--clr-primary); margin: 6px 0 12px; }
.svc-more { display: flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 700; color: var(--clr-accent-dark); }
.svc-more span { transition: transform .3s var(--ease-expo); }
.svc-card:hover .svc-more span { transform: translateX(4px); }

/* FAQ 스플릿 */
.fsplit-section { padding: var(--section-v) 0; background: var(--clr-bg); }
.fsplit-inner { display: grid; grid-template-columns: 260px 1fr; gap: 56px; }
.fsplit-list { display: flex; flex-direction: column; }
.fsplit-item { border-bottom: 1px solid var(--clr-border); }
.fsplit-item:first-child { border-top: 1px solid var(--clr-border); }
.fsplit-btn { width: 100%; display: flex; align-items: center; gap: 16px; padding: 20px 0; text-align: left; transition: color .2s; }
.fsplit-btn:hover { color: var(--clr-accent-dark); }
.fsplit-num { font-family: var(--font-label); font-size: .8rem; font-weight: 700; color: var(--clr-text-muted); width: 26px; flex-shrink: 0; }
.fsplit-q { font-size: .96rem; font-weight: 700; color: var(--clr-primary); flex: 1; }
.fsplit-toggle { width: 28px; height: 28px; border: 1.5px solid var(--clr-border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform .35s var(--ease-expo), background .2s, border-color .2s; }
.fsplit-btn[aria-expanded="true"] .fsplit-toggle { background: var(--clr-accent); border-color: var(--clr-accent); transform: rotate(180deg); }
.fsplit-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s var(--ease-expo); }
.fsplit-body.open { grid-template-rows: 1fr; }
.fsplit-body-inner { overflow: hidden; }
.fsplit-a { padding: 0 0 22px 42px; font-size: .9rem; color: var(--clr-text-muted); }

/* Footer */
#site-footer { background: var(--clr-bg-footer); color: rgba(255,255,255,.6); padding: 56px 0 0; border-top: 2px solid var(--clr-accent); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand-name { font-weight: 800; color: #fff; font-size: 1.05rem; }
.footer-address { font-size: .85rem; line-height: 1.9; color: rgba(255,255,255,.55); margin-top: 12px; }
.footer-col-title { font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .88rem; color: rgba(255,255,255,.65); transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { padding: 18px 24px; font-size: .78rem; color: rgba(255,255,255,.35); text-align: center; }

/* Floating buttons */
#floating-cta { position: fixed; bottom: 24px; right: 24px; z-index: 800; display: flex; background: var(--clr-accent); color: var(--clr-primary); border-radius: var(--radius-full); height: 52px; width: 52px; overflow: hidden; box-shadow: var(--shadow-accent); transition: width .4s var(--ease-expo), box-shadow .2s; }
#floating-cta:hover { width: 172px; box-shadow: 0 12px 40px rgba(var(--clr-accent-rgb),.5); }
.floating-cta-icon { width: 52px; height: 52px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.floating-cta-icon svg { width: 22px; height: 22px; }
.floating-cta-text { font-size: .86rem; font-weight: 700; white-space: nowrap; opacity: 0; transition: opacity .25s var(--ease-expo); padding-right: 16px; align-self: center; }
#floating-cta:hover .floating-cta-text { opacity: 1; }
#back-to-top { position: fixed; bottom: 88px; right: 24px; z-index: 800; width: 40px; height: 40px; background: #fff; border: 1px solid var(--clr-border); border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .3s var(--ease-expo); }
#back-to-top.visible { opacity: 1; transform: translateY(0); }
.mobile-sticky-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 850; background: #fff; border-top: 1px solid var(--clr-border); padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); gap: 10px; }
.mobile-sticky-bar a { flex: 1; text-align: center; padding: 13px 8px; border-radius: var(--radius-full); font-size: .9rem; font-weight: 700; }
.mobile-sticky-bar .mbar-cta { background: var(--clr-accent); color: var(--clr-primary); }
.mobile-sticky-bar .mbar-secondary { background: var(--clr-bg-alt); color: var(--clr-primary); border: 1px solid var(--clr-border); }

@media (max-width: 768px) {
  :root { --section-v: 56px; }
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .fsplit-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-inner { grid-template-columns: 1fr; }
  .mobile-sticky-bar { display: flex; }
  #floating-cta { bottom: 80px; }
  #back-to-top { bottom: 136px; }
}