/* ==========================================================================
   고침터 (GoChimTeo) 디자인 시스템
   Primary: #A0C4D8 (파스텔 스틸블루) — 배지/버튼/링크 hover 등 강조 용도로만 사용
   ========================================================================== */
:root {
  --clr-primary:      #A0C4D8;
  --clr-primary-dark: #7FA9C2;
  --clr-primary-rgb:  160,196,216;
  --clr-text:         #2D2926;
  --clr-text-muted:   #6B6560;
  --clr-bg:           #FFFFFF;
  --clr-bg-alt:       #F7F5F2;
  --clr-bg-card:      #F2F0EC;
  --clr-bg-footer:    #211E1B;
  --clr-border:       #E6E2DB;

  --shadow-sm: 0 2px 8px rgba(45,41,38,.06);
  --shadow-md: 0 6px 24px rgba(45,41,38,.10), 0 2px 8px rgba(45,41,38,.06);
  --shadow-lg: 0 16px 48px rgba(45,41,38,.13);

  --radius-sm: 2px;
  --radius-md: 0px;

  --header-h: 76px;
  --section-v: 96px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: 'Pretendard', -apple-system, 'Apple SD Gothic Neo', sans-serif;
}

* { box-sizing: border-box; }
body { font-family: var(--font); color: var(--clr-text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
section { padding: var(--section-v) 0; }
.section-alt { background: var(--clr-bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-label { color: var(--clr-primary-dark); font-weight: 700; letter-spacing: .04em; font-size: .9rem; }
.section-title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin: 8px 0 12px; }
.section-desc { color: var(--clr-text-muted); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-size: 1.3rem; font-weight: 800; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-weight: 600; font-size: .95rem; }
.main-nav a:hover { color: var(--clr-primary-dark); }
.nav-cta {
  background: var(--clr-primary); color: #1c1917; padding: 10px 18px;
  border-radius: var(--radius-sm); font-weight: 700;
}
.nav-dropdown { position: relative; cursor: default; }
.nav-dropdown > span { font-weight: 600; font-size: .95rem; }
.nav-dropdown-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: #fff; border: 1px solid var(--clr-border); box-shadow: var(--shadow-md);
  padding: 10px; display: none; flex-direction: column; min-width: 200px; margin-top: 12px;
}
.nav-dropdown:hover .nav-dropdown-menu { display: flex; }
.nav-dropdown-menu a { padding: 8px 12px; font-size: .9rem; white-space: nowrap; }
.nav-dropdown-menu a:hover { background: var(--clr-bg-alt); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--clr-text); }

@media (max-width: 900px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 16px;
    border-bottom: 1px solid var(--clr-border); transform: translateY(-120%); transition: transform .3s var(--ease); }
  .main-nav.open { transform: translateY(0); }
  .nav-dropdown-menu { position: static; display: flex; transform: none; box-shadow: none; border: 0; margin: 4px 0 0; padding: 0 0 0 12px; }
  .hamburger { display: flex; }
}

/* ---------- Floating buttons ---------- */
.floating-btns { position: fixed; right: 20px; bottom: 24px; z-index: 90; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.floating-menu { display: none; flex-direction: column; gap: 8px; }
.floating-menu.open { display: flex; }
.floating-item { background: #fff; border: 1px solid var(--clr-border); box-shadow: var(--shadow-md); padding: 12px 18px; font-weight: 700; border-radius: var(--radius-sm); }
.floating-toggle { background: var(--clr-primary); color: #1c1917; border: 0; padding: 16px 22px; font-weight: 800; box-shadow: var(--shadow-lg); border-radius: var(--radius-sm); cursor: pointer; }

/* ---------- Hero ---------- */
.hero-section { padding-top: calc(var(--header-h) + 64px); padding-bottom: 80px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.25; }
.hero-lead { color: var(--clr-text-muted); margin: 20px 0 32px; font-size: 1.05rem; max-width: 480px; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-badge { background: var(--clr-bg-card); padding: 8px 14px; border-radius: var(--radius-sm); font-size: .85rem; font-weight: 700; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 15px 26px; font-weight: 700; border-radius: var(--radius-sm); border: 1px solid var(--clr-border); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.btn:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.btn-primary { background: var(--clr-primary); border-color: var(--clr-primary); color: #1c1917; }
.btn-outline { background: #fff; }
.hero-media { margin: 0; }
.hero-media img { border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.hero-caption { margin-top: 10px; text-align: center; font-size: .85rem; color: var(--clr-text-muted); }

/* ---------- Pain / Problem grid ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-card { background: var(--clr-bg-card); padding: 28px; border-radius: var(--radius-md); }
.pain-card-title { font-weight: 800; margin-bottom: 8px; }
.pain-card-desc { color: var(--clr-text-muted); font-size: .92rem; }

/* ---------- Service cards ---------- */
.rc-svc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.rc-svc-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 3/4; box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.rc-svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.rc-svc-card img { width: 100%; height: 100%; object-fit: cover; }
.rc-svc-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(28,25,23,.82), transparent 55%); display: flex; align-items: flex-end; padding: 18px; }
.rc-svc-card-title { color: #fff; font-weight: 800; font-size: 1rem; }

/* ---------- Portfolio grid/cards ---------- */
.rc-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rc-case-card { border: 1px solid var(--clr-border); border-radius: var(--radius-md); overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease); background: #fff; }
.rc-case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.rc-case-thumb { aspect-ratio: 4/3; overflow: hidden; }
.rc-case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.rc-case-card:hover .rc-case-thumb img { transform: scale(1.05); }
.rc-case-body { padding: 20px; }
.rc-case-badge { display: inline-block; background: var(--clr-primary); color: #1c1917; font-size: .75rem; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-sm); margin-bottom: 10px; }
.rc-case-title { font-weight: 800; font-size: 1.05rem; margin-bottom: 4px; }
.rc-case-sub { color: var(--clr-text-muted); font-size: .88rem; }

/* ---------- Gallery grid/cards ---------- */
.rc-gallery-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; }
.rc-gallery-grid > * { flex: 0 1 260px; }
.rc-gallery-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--clr-border); background: #fff; transition: transform .3s var(--ease); }
.rc-gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.rc-gallery-thumb { aspect-ratio: 1/1; overflow: hidden; }
.rc-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rc-gallery-body { padding: 14px 16px; }
.rc-gallery-loc { font-size: .78rem; color: var(--clr-text-muted); }
.rc-gallery-title { font-weight: 700; font-size: .95rem; margin-top: 4px; }

/* ---------- Before/After pair ---------- */
.rc-ba-pair { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; }
.rc-ba-item img { border-radius: var(--radius-md); aspect-ratio: 3/4; object-fit: cover; box-shadow: var(--shadow-md); }
.rc-ba-label { text-align: center; font-weight: 800; font-size: .8rem; letter-spacing: .05em; margin-bottom: 8px; color: var(--clr-text-muted); }
.rc-ba-divider { width: 1px; height: 80%; background: var(--clr-border); }
@media (max-width: 700px) {
  .rc-ba-pair { grid-template-columns: 1fr; }
  .rc-ba-divider { display: none; }
}

/* ---------- Info list ---------- */
.rc-info-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; border: 1px solid var(--clr-border); border-radius: var(--radius-md); padding: 24px; margin: 32px 0; }
.rc-info-item dt { font-size: .8rem; color: var(--clr-text-muted); margin-bottom: 4px; }
.rc-info-item dd { font-weight: 700; margin: 0; }
@media (max-width: 700px) { .rc-info-list { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Steps ---------- */
.rc-steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.rc-step { position: relative; padding: 24px; background: var(--clr-bg-card); border-radius: var(--radius-md); }
.rc-step::before { counter-increment: step; content: counter(step); display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: var(--clr-primary); color: #1c1917; font-weight: 800; border-radius: 50%; margin-bottom: 14px; }
.rc-step-title { font-weight: 800; margin-bottom: 6px; }
.rc-step-desc { color: var(--clr-text-muted); font-size: .9rem; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 20px 4px; cursor: pointer; font-weight: 700; }
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--clr-primary-dark); transition: transform .25s var(--ease); }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; color: var(--clr-text-muted); font-size: .92rem; transition: max-height .3s var(--ease); }
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 20px; }

/* ---------- Related grid ---------- */
.rc-related-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.rc-related-grid > * { flex: 0 1 340px; }

/* ---------- Detail page extras ---------- */
.detail-heading { font-weight: 800; font-size: 1.15rem; color: var(--clr-text); margin: 32px 0 8px; }
.detail-prose { max-width: 720px; margin: 0 auto; }
.detail-figure { max-width: 600px; margin: 0 auto; }
.detail-figure img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); margin: 16px 0; }
.detail-list { padding-left: 20px; margin: 16px 0; }
.detail-list li { margin-bottom: 8px; color: var(--clr-text-muted); }
.detail-list li::marker { color: var(--clr-primary-dark); }
.detail-list li a { color: var(--clr-text); font-weight: 600; }
.detail-list li a:hover { color: var(--clr-primary-dark); }

/* ---------- Case nav (prev/next) ---------- */
.rc-case-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); padding: 20px 0; margin: 40px 0; }
.rc-case-nav a { font-weight: 700; }
.rc-case-nav a:hover { color: var(--clr-primary-dark); }

/* ---------- CTA section ---------- */
.cta-section { background: var(--clr-bg-card); text-align: center; border-radius: var(--radius-md); padding: 64px 24px; }
.cta-section .btn-primary { margin-top: 24px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--clr-bg-footer); color: #cfc9c2; padding: 56px 0 24px; }
.footer-inner { max-width: 1160px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-brand { color: #fff; font-weight: 800; font-size: 1.2rem; margin-bottom: 10px; }
.footer-col a { display: inline-block; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { text-align: center; margin-top: 40px; font-size: .82rem; color: #8a847d; }

/* ---------- Gallery list filter ---------- */
.gallery-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; justify-content: center; }
.gallery-filter button { padding: 9px 18px; border: 1px solid var(--clr-border); background: #fff; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; }
.gallery-filter button.active { background: var(--clr-primary); border-color: var(--clr-primary); color: #1c1917; }

/* ---------- Utility ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.text-muted { color: var(--clr-text-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-section { grid-template-columns: 1fr; padding-top: calc(var(--header-h) + 32px); }
  .rc-svc-grid { grid-template-columns: repeat(3, 1fr); }
  .rc-case-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .rc-steps-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .rc-svc-grid { grid-template-columns: repeat(2, 1fr); }
  .rc-info-list { grid-template-columns: 1fr 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
}