/* ==========================================================================
   만정누수탐지 — 디자인 토큰
   딥 틸(청음·물) + 카퍼(동배관 소재감) 조합. 타이포/그리드/라운드/그림자
   구조는 유지하고 컬러만 교체했다. 40대 이상 타겟 가독성 위해 폰트는 상향.
   ========================================================================== */
:root{
  --c-primary: #0F5C56;
  --c-primary-dark: #082E2B;
  --c-accent: #C1703E;
  --c-accent-dark: #7C4620;
  --c-accent-light: #E8AD7C;
  --c-bg: #F7F8F5;
  --c-bg-alt: #EDF0EC;
  --c-bg-card: #E2E7E2;
  --c-text: #16211E;
  --c-text-muted: #4A5854;
  --c-border: #DBE0DA;
  --c-white: #ffffff;

  --font-heading: 'Space Grotesk', 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;
  --font-body: 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;

  --radius: 0px;

  --container: 1200px;
  --gutter: 32px;
  --section-v: 136px;
  --section-v-tight: 100px;
  --header-h: 84px;

  --shadow-sm: none;
  --shadow-md: 0 2px 0 rgba(15,92,86,.20);
  --shadow-lg: 0 14px 32px rgba(6,20,18,.22);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{background:var(--c-bg);color:var(--c-text)}
body{
  font-family:var(--font-body);
  font-size:18px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}

h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700;line-height:1.28;letter-spacing:-.01em;word-break:keep-all}
h1{font-size:clamp(34px, 5vw, 54px)}
h2{font-size:clamp(28px, 3.4vw, 40px)}
h3{font-size:22px}
p{font-size:18px}

.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

.section{padding:var(--section-v) 0}
.section-tight{padding:var(--section-v-tight) 0}
.section-alt{background:var(--c-bg-alt)}
.section-invert{background:var(--c-primary-dark);color:#fff}
.section-invert h1,.section-invert h2,.section-invert h3{color:#fff}
.section-invert p{color:#CFE0DB}
.section-invert a{color:#E8AD7C}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-heading);
  font-size:15px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-accent-dark);
  margin-bottom:20px;
}
.section-invert .eyebrow{color:var(--c-accent-light)}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--c-accent);display:inline-block}

.section-head{max-width:720px;margin-bottom:60px}
.section-head p{font-size:19px;color:var(--c-text-muted);margin-top:14px}
.section-invert .section-head p{color:#CFE0DB}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:18px 34px;font-weight:700;font-size:18px;border-radius:var(--radius);
  border:none;transition:transform .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:var(--c-primary-dark);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline-dark{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-border)}
.btn-block{width:100%}
@media (hover:hover) and (pointer:fine){
  .btn:hover,.card:hover,.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
}
.btn:active{transform:translateY(0)}

/* ==========================================================================
   HEADER — 로고+업체명 아래 스몰캡스 H1, 상담 버튼만 존재
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,248,245,.92);
  backdrop-filter:blur(10px);
  border-bottom:2px solid var(--c-primary);
}
.hdr-inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
}
.hdr-brand{display:flex;flex-direction:column;gap:4px;line-height:1.1}
.hdr-brand .brand-name{font-family:var(--font-heading);font-size:23px;font-weight:700;color:var(--c-primary)}
.hdr-brand .brand-name span{color:var(--c-accent-dark)}
.hdr-brand .brand-h1{
  font-family:var(--font-body);
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-text-muted);
}
.hdr-cta .btn{padding:14px 26px;font-size:16px}

/* ==========================================================================
   HERO — 사진 모자이크 그리드 + 텍스트 타일 (정적 단일이미지 금지)
   각 타일은 페이지 로드 시 순서대로 나타나는 settle 애니메이션 적용
   ========================================================================== */
.hero{background:var(--c-primary-dark);color:#fff;overflow:hidden}
.hero-mosaic{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:minmax(96px,15vw);grid-auto-flow:dense;
  gap:2px;background:var(--c-primary-dark);
}
.hero-tile{
  position:relative;overflow:hidden;background:var(--c-primary);
  animation:tile-settle .55s cubic-bezier(.22,1,.36,1) both;
}
.hero-tile img{width:100%;height:100%;object-fit:cover;display:block}
@keyframes tile-settle{
  from{opacity:0;transform:scale(.93) translateY(12px);filter:blur(6px)}
  to{opacity:1;transform:scale(1) translateY(0);filter:blur(0)}
}
.hero-tile--text{
  grid-column:span 2;grid-row:span 2;
  background:var(--c-primary-dark);color:#fff;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(24px,3vw,44px);
  animation-duration:.7s;
  min-height:0;overflow:visible;
}
.hero-tile--text .eyebrow{color:var(--c-accent-light)}
.hero-tile--text h1{color:#fff;margin-bottom:16px}
.hero-answer{font-size:17px;color:#D8E8E4;line-height:1.6;margin-bottom:24px;max-width:480px}
.hero-answer strong{color:var(--c-accent-light);font-weight:700}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:900px){
  .hero-mosaic{grid-auto-rows:minmax(80px,18vw)}
  .hero-tile:nth-child(n+10){display:none}
}
@media (max-width:600px){
  .hero-mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:minmax(60px,20vw)}
  .hero-tile--text{
    grid-column:span 2;grid-row:span 5;
    justify-content:flex-start;padding:28px 20px;
  }
  .hero-tile--text h1{font-size:clamp(28px,8vw,36px)}
  .hero-answer{font-size:16px;margin-bottom:20px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-tile:nth-child(n+6){display:none}
}

/* ==========================================================================
   ANSWER STRIP — AEO 직접답변 + 증상 카드 (통계배너 아님, 컴포넌트 시각화)
   ========================================================================== */
.answer-strip{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}
.symptom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.symptom-card{
  background:var(--c-white);border:1px solid var(--c-border);
  padding:30px 26px;display:flex;flex-direction:column;gap:18px;
}
.symptom-card .s-badge{
  width:38px;height:38px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--c-bg-alt);color:var(--c-accent-dark);font-weight:700;font-size:17px;
}
.symptom-card p{font-size:16px;line-height:1.6;color:var(--c-text)}
.symptom-card:last-child{grid-column:1 / -1}

/* ==========================================================================
   SERVICE GRID — PC 3x2, 마지막 카드 상담하기 / 모바일 세로스택
   ========================================================================== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc-card{
  background:var(--c-white);border:1px solid var(--c-border);padding:42px 34px;
  display:flex;flex-direction:column;gap:16px;min-height:250px;
}
.svc-card .svc-num{font-family:var(--font-heading);font-size:15px;font-weight:700;color:var(--c-accent-dark);letter-spacing:.08em}
.svc-card h3{font-size:22px}
.svc-card p{font-size:16.5px;color:var(--c-text-muted);flex:1}
.svc-card .svc-link{font-size:15.5px;font-weight:700;color:var(--c-primary)}
.svc-card.cta-card{background:var(--c-primary);color:#fff;justify-content:center}
.svc-card.cta-card h3{color:#fff}
.svc-card.cta-card p{color:#CFE0DB}

/* ==========================================================================
   PORTFOLIO — 벤토그리드 (고아칸 없이 완결 구성, 큰타일 먼저 배치해 dense로 빈칸 방지)
   ========================================================================== */
.bento{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:160px;gap:3px;
  grid-auto-flow:dense;background:var(--c-primary-dark);
}
.bento a{position:relative;overflow:hidden;display:block}
.bento img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bento a:hover img{transform:scale(1.05)}
.bento .b-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-size:14px;font-weight:600;color:#fff;background:linear-gradient(0deg,rgba(6,18,16,.85),transparent 75%);
}
.bento .bw2{grid-column:span 2;grid-row:span 2}
.bento .bw1{grid-column:span 1;grid-row:span 1}

/* ==========================================================================
   PROCESS — 카드형 그리드, 큰 옅은 숫자 + 상단 보더, 스크롤 순차 리빌
   ========================================================================== */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.process-card{
  position:relative;overflow:hidden;background:var(--c-primary);
  padding:34px 30px 32px;border-top:3px solid var(--c-accent);
}
.process-card:last-child{grid-column:span 2}
.process-card .p-num{
  position:absolute;top:-14px;right:16px;
  font-family:var(--font-heading);font-weight:700;font-size:76px;line-height:1;
  color:rgba(255,255,255,.14);
}
.process-card h3{font-size:20px;margin:30px 0 12px;position:relative}
.process-card p{font-size:15.5px;color:#CFE0DB;line-height:1.7;position:relative;max-width:34ch}

/* ==========================================================================
   TABLE — 절차/비교 정보용
   ========================================================================== */
.aeo-table{width:100%;border-collapse:collapse;margin-top:36px}
.aeo-table caption{text-align:left;font-size:15px;color:var(--c-text-muted);margin-bottom:12px}
.aeo-table th,.aeo-table td{padding:20px 22px;text-align:left;font-size:16.5px;border-bottom:1px solid var(--c-border)}
.aeo-table th{font-family:var(--font-heading);font-weight:700;color:var(--c-accent-dark);border-bottom:2px solid var(--c-primary)}
.aeo-table td{color:var(--c-text)}
.section-invert .aeo-table caption{color:#CFE0DB}
.section-invert .aeo-table th{color:var(--c-accent-light);border-bottom:2px solid var(--c-accent)}
.section-invert .aeo-table td{color:#D8E8E4;border-bottom:1px solid rgba(255,255,255,.14)}
@media (max-width:768px){
  .aeo-table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ==========================================================================
   FAQ — 아코디언
   ========================================================================== */
.faq-list{display:flex;flex-direction:column;border-top:1px solid var(--c-border)}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:32px 6px;text-align:left;font-family:var(--font-heading);font-size:19.5px;font-weight:700;
}
.faq-q .plus{flex:none;width:26px;height:26px;position:relative;transition:transform .25s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--c-primary)}
.faq-q .plus::before{left:0;top:50%;width:100%;height:3px;transform:translateY(-50%)}
.faq-q .plus::after{top:0;left:50%;width:3px;height:100%;transform:translateX(-50%)}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 6px 32px;font-size:17px;line-height:1.75;color:var(--c-text-muted)}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-block{
  position:relative;overflow:hidden;background:var(--c-primary);color:#fff;
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:32px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.cta-block .cta-copy{padding:30px var(--gutter);max-width:560px;margin:0 auto}
.cta-block h2{color:#fff;margin-bottom:8px;font-size:clamp(22px,2.6vw,28px)}
.cta-block p{color:#CFE0DB;font-size:16px;margin-bottom:16px}
.cta-block .cta-media{height:100%;min-height:150px;position:relative}
.cta-block .cta-media img{width:100%;height:100%;object-fit:cover}
.cta-block .cta-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--c-primary),transparent 40%)}

/* ==========================================================================
   DETAIL PAGE
   ========================================================================== */
.detail-hero{position:relative}
.detail-hero img{width:100%;height:clamp(320px,52vw,560px);object-fit:cover}
.detail-hero-cap{
  background:var(--c-primary-dark);color:#fff;padding:40px var(--gutter);
}
.detail-hero-cap .container{padding:0}
.detail-hero-cap h1{color:#fff;margin-bottom:16px}

.direct-answer{
  background:var(--c-bg-alt);border-left:4px solid var(--c-accent);
  padding:38px 42px;font-size:19px;line-height:1.85;margin:0 0 72px;
}
.direct-answer strong{color:var(--c-primary)}

.detail-section{padding:76px 0;border-top:1px solid var(--c-border)}
.detail-section:first-of-type{border-top:none}
.detail-section h2{margin-bottom:32px}
.detail-section .body-text{font-size:18px;line-height:1.85;color:var(--c-text)}
.detail-section .body-text p{margin-bottom:18px}
.detail-figure{margin:32px 0}
.detail-figure img{width:100%;height:auto;object-fit:cover}
.detail-figure figcaption{font-size:15.5px;color:var(--c-text-muted);margin-top:12px}

.checklist-box{background:var(--c-white);border:1px solid var(--c-border);padding:38px 40px;display:flex;flex-direction:column;gap:20px}
.checklist-box li{display:flex;gap:14px;font-size:17.5px;line-height:1.6}
.checklist-box li::before{content:"✓";color:var(--c-accent-dark);font-weight:700}

.timeline{display:flex;flex-direction:column;gap:0;border-left:3px solid var(--c-accent);padding-left:36px;margin:12px 0}
.timeline li{position:relative;padding-bottom:44px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-43.5px;top:4px;width:14px;height:14px;background:var(--c-accent);border:3px solid var(--c-primary-dark)}
.timeline h3{font-size:18.5px;margin-bottom:8px}
.timeline p{font-size:16.5px;color:var(--c-text-muted);line-height:1.65}

.related-block{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.related-card{border:1px solid var(--c-border);background:var(--c-white);padding:38px;display:flex;flex-direction:column;gap:14px}
.related-card h3{font-size:20px}
.related-card p{font-size:16px;color:var(--c-text-muted)}
.related-card.is-primary{background:var(--c-primary);color:#fff}
.related-card.is-primary h3{color:#fff}
.related-card.is-primary p{color:#CFE0DB}

/* ==========================================================================
   CONTACT PAGE — 전화번호가 유일하게 노출되는 페이지
   ========================================================================== */
.contact-hero{background:var(--c-primary-dark);color:#fff;padding:88px 0 72px;text-align:center}
.contact-hero h1{color:#fff;margin-bottom:20px}
.contact-hero p{color:#D8E8E4;font-size:19px;max-width:560px;margin:0 auto}

.phone-panel{
  background:var(--c-white);border:1px solid var(--c-border);
  padding:48px var(--gutter);text-align:center;margin-top:-56px;position:relative;z-index:2;
}
.phone-number{
  font-family:var(--font-heading);font-weight:700;
  font-size:clamp(38px,6vw,64px);color:var(--c-primary);letter-spacing:.01em;margin-bottom:28px;
}
.contact-actions{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:560px;margin:0 auto}
.contact-actions .btn{width:100%;padding:22px 20px;font-size:19px}

.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.info-card{background:var(--c-white);border:1px solid var(--c-border);padding:36px 32px}
.info-card h3{font-size:18.5px;margin-bottom:16px}
.info-card p,.info-card li{font-size:16.5px;color:var(--c-text-muted);line-height:1.85}
.info-card ul{display:flex;flex-direction:column;gap:10px}

@media (max-width:768px){
  .contact-actions{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .phone-panel{margin-top:0}
}

/* ==========================================================================
   FOOTER — 사업자정보 / 바로가기 / 대표서비스, 가로 스택
   ========================================================================== */
.site-footer{background:var(--c-primary-dark);color:#CFE0DB;padding:56px 0 28px;border-top:3px solid var(--c-accent)}
.ftr-grid{display:flex;gap:56px;flex-wrap:wrap;padding-bottom:44px;margin-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.ftr-col{flex:1 1 220px;min-width:220px}
.ftr-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.ftr-col ul{display:flex;flex-direction:column;gap:10px}
.ftr-col li,.ftr-col p{font-size:15px;line-height:1.85;color:#A8C4BE}
.ftr-bottom{font-size:13.5px;color:#6E8783}

/* ==========================================================================
   MOBILE NAV / FLOATING
   ========================================================================== */
.hamburger{display:none;width:30px;height:24px;position:relative;flex:none}
.hamburger span{position:absolute;left:0;width:100%;height:3px;background:var(--c-primary);transition:.2s}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:10px}
.hamburger span:nth-child(3){top:20px}
.hamburger.active span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}

.mob-bar{display:none}

/* ==========================================================================
   REVEAL / MOTION — 여러 종류 혼합 사용
   ========================================================================== */
.rv-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.rv-up.in{opacity:1;transform:translateY(0)}
.rv-fade{opacity:0;transition:opacity .9s ease}
.rv-fade.in{opacity:1}
.rv-clip{clip-path:inset(0 0 100% 0);transition:clip-path .8s cubic-bezier(.2,.8,.2,1)}
.rv-clip.in{clip-path:inset(0 0 0 0)}
.rv-scale{opacity:0;transform:scale(.94);transition:opacity .6s ease,transform .6s ease}
.rv-scale.in{opacity:1;transform:scale(1)}

/* 그룹 순차 리빌 — 부모(.stagger)가 뷰포트에 들어오면 자식이 --i 순서대로 카드처럼 나타남 */
.stagger > *{
  opacity:0;transform:translateY(24px);
  transition:opacity .55s cubic-bezier(.22,1,.36,1),transform .55s cubic-bezier(.22,1,.36,1);
  transition-delay:calc(var(--i,0) * 90ms);
}
.stagger.in > *{opacity:1;transform:translateY(0)}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1024px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .answer-strip{grid-template-columns:1fr;gap:32px}
  .process-grid{grid-template-columns:repeat(3,1fr);row-gap:36px}
  .cta-block{grid-template-columns:1fr}
  .cta-block .cta-media{min-height:140px;order:-1}
  .related-block{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--section-v:80px;--section-v-tight:64px;--gutter:20px}
  body{font-size:17px}
  .hdr-nav{display:none}
  .hamburger{display:block}
  .svc-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .bento .bw2{grid-column:span 2}
  .process-grid{grid-template-columns:1fr}
  .related-block{grid-template-columns:1fr}
  .symptom-grid{grid-template-columns:1fr}
  .symptom-card:last-child{grid-column:auto}
  body{padding-bottom:76px}
  .mob-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    background:#fff;border-top:2px solid var(--c-primary);padding:12px 16px;
  }
}
@media (max-width:480px){
  .detail-hero img{height:260px}
}