/* 커튼나라 — 참조: 하수구지존 메인 (네이비 히어로 + 오렌지 포인트 + 하늘색 섹션 + 하단 퀵바) */
:root {
  --ink: #10283a;
  --muted: #5d6c78;
  --navy: #0b1f33;
  --navy-2: #123b5a;
  --signal: #ff6b35;
  --signal-dark: #d9531f;
  --blue: #2f80ed;
  --blue-soft: #8ec8ff;
  --sky: linear-gradient(135deg, #eaf2f7 0%, #d8e7f0 100%);
  --cream: linear-gradient(135deg, #fffdf8 0%, #fff3e5 52%, #f3f9ff 100%);
  --green: #00c853;
  --line: #dbe5ec;
  --shadow: 0 18px 45px rgba(16, 40, 58, .18);
  color-scheme: only light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: #fff; color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px; line-height: 1.7; letter-spacing: -.02em; word-break: keep-all; overflow-wrap: anywhere;
  padding-bottom: 96px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-weight: 600; letter-spacing: -.045em; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; position: relative; }
.center-title { text-align: center; margin: 0 0 28px; font-size: 30px; line-height: 1.3; }
.center-title em, h2 em { color: var(--signal); font-style: normal; }

/* 헤더 */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(11, 31, 51, .96); backdrop-filter: blur(10px); color: #fff; }
.site-header__inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; min-height: 64px; display: flex; align-items: center; gap: 22px; }
.site-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; font-weight: 700; }
.site-brand img { border-radius: 9px; }
.site-nav { display: flex; gap: 18px; margin-left: auto; font-size: 14.5px; }
.site-nav a { text-decoration: none; color: #d6e2ec; white-space: nowrap; }
.site-nav a:hover { color: #fff; }
.header-call { margin-left: 8px; padding: 9px 16px; border-radius: 999px; background: var(--green); color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; white-space: nowrap; }
@media (max-width: 980px) { .site-nav { display: none; } .header-call { margin-left: auto; } }

.breadcrumb { font-size: 13px; color: var(--muted); padding: 10px 0; }
.breadcrumb a { text-decoration: none; }

/* 히어로 */
.hero { position: relative; overflow: hidden; color: #fff; background: var(--navy); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 45%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(105deg, rgba(5, 18, 31, .93) 0%, rgba(11, 31, 51, .86) 55%, rgba(18, 59, 90, .72) 100%); }
.hero::after { content: ""; position: absolute; z-index: 1; width: 480px; height: 480px; border: 80px solid rgba(255, 255, 255, .035); border-radius: 50%; right: -80px; top: -140px; }
.hero-inner { z-index: 2; min-height: 680px; padding: 64px 0 56px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; padding: 8px 18px; border: 1px solid rgba(255, 107, 53, .62); border-radius: 999px; background: rgba(255, 107, 53, .14); color: #ffd7c8; font-size: 16px; letter-spacing: .03em; }
.eyebrow::before { content: ""; width: 18px; height: 3px; background: var(--signal); }
.hero h1 { margin: 0; font-size: 50px; line-height: 1.15; }
.hero-h1sub { margin: 10px 0 0; font-size: 26px; color: var(--blue-soft); }
.hero-copy { margin: 20px auto 0; max-width: 760px; font-size: 19px; color: #c7cdd2; }
.hero-scope { margin: 14px auto 0; max-width: 720px; font-size: 14px; color: #9fb0bf; }
.hero-proof { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.proof-chip { border: 1px solid #4a5258; background: rgba(255, 255, 255, .05); border-radius: 999px; padding: 7px 14px; color: #e2e4e5; font-size: 13px; }
.consult-card { width: min(620px, 100%); margin-top: 30px; background: #fff; color: var(--ink); border-radius: 22px; box-shadow: var(--shadow); padding: 22px; }
.action-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn { min-height: 54px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 16px; font-weight: 600; text-decoration: none; transition: transform .2s, filter .2s; }
.btn:hover { transform: translateY(-2px); filter: brightness(.97); }
.btn-phone { background: var(--green); color: #fff; animation: call-pulse 1.8s ease-in-out infinite; }
.btn-sms { background: #fff4ee; color: var(--signal-dark); border: 1px solid #ffc9b2; }
@keyframes call-pulse { 0%, 100% { box-shadow: 0 7px 18px rgba(0, 200, 83, .2), 0 0 0 0 rgba(0, 200, 83, .35); } 50% { box-shadow: 0 10px 25px rgba(0, 200, 83, .3), 0 0 0 10px rgba(0, 200, 83, 0); } }
.consult-note { margin: 10px 0 0; text-align: center; font-size: 13px; color: var(--muted); }

/* 섹션 공통 */
.section-head { margin-bottom: 26px; }
.section-head h2 { margin: 0; font-size: 32px; line-height: 1.3; }
.section-head h2 strong { color: var(--navy-2); }
.section-head p { margin: 8px 0 0; color: var(--muted); font-size: 15.5px; }
.section-head--stack { text-align: center; max-width: 820px; margin-left: auto; margin-right: auto; }

/* 소개 + 상황 카드 */
.main-guidance { padding: 72px 0 64px; }
.intro-text { max-width: 820px; margin: 0 auto 38px; font-size: 17px; color: #2b3e4d; }
.intro-text p { margin: 0 0 16px; }
.situation-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.situation-card { position: relative; overflow: hidden; border-radius: 20px; background: #102b42; color: #fff; min-height: 340px; isolation: isolate; }
.situation-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .5s; }
.situation-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(8, 26, 42, 0) 25%, rgba(8, 26, 42, .92) 78%); }
.situation-card:hover img { transform: scale(1.05); }
.situation-card__content { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 20px 20px; }
.situation-card h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.35; }
.situation-card p { margin: 0; font-size: 14px; line-height: 1.6; color: #dbe7f1; }
@media (max-width: 1000px) { .situation-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .situation-grid { grid-template-columns: 1fr; } .situation-card { min-height: 300px; } }

/* 전화 유도 띠 */
.callnow { background: linear-gradient(108deg, #0b1f33 0%, #143a58 100%); color: #fff; padding: 46px 16px; }
.callnow__in { width: min(1180px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center; }
.callnow__eyebrow { margin: 0 0 8px; color: #ffb497; font-size: 14px; }
.callnow__title { margin: 0; font-size: 30px; line-height: 1.35; }
.callnow__title em { color: #ffb497; font-style: normal; }
.callnow__title span { display: inline-block; }
.callnow__steps { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.callnow__steps li { padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); font-size: 14px; }
.callnow__steps li.is-now { border-color: rgba(0, 200, 83, .6); background: rgba(0, 200, 83, .12); }
.callnow__steps li.is-bad { border-color: rgba(255, 107, 53, .5); }
.callnow__tag { display: block; font-size: 12px; color: #9fb4c6; }
.callnow__fix { margin: 0 0 14px; color: #c9d6e2; font-size: 14.5px; }
.callnow__fix strong { display: block; color: #fff; font-size: 17px; margin-bottom: 4px; }
.callnow__btn { display: flex; flex-direction: column; align-items: center; padding: 14px; border-radius: 14px; background: var(--green); color: #fff; text-decoration: none; animation: call-pulse 1.8s ease-in-out infinite; }
.callnow__btn small { font-size: 12.5px; opacity: .9; }
.callnow__btn b { font-size: 26px; letter-spacing: .01em; }
@media (max-width: 820px) { .callnow__in { grid-template-columns: 1fr; } .callnow__title { font-size: 24px; } }
@media (max-width: 480px) { .callnow__steps { grid-template-columns: 1fr; } }

/* 가이드 */
.guide-section { padding: 72px 0; background: var(--sky); }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.guide-item { position: relative; padding: 26px 26px 20px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.guide-num { position: absolute; top: 22px; right: 24px; font-size: 28px; font-weight: 700; color: #e3ecf3; }
.guide-item h3 { margin: 0 0 10px; font-size: 21px; }
.guide-item p { margin: 0 0 10px; color: #33495a; font-size: 15.5px; }
@media (max-width: 760px) { .guide-grid { grid-template-columns: 1fr; } }

/* 시공 사례 */
.featured-cases { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 72px 0; }
.featured-cases__head { max-width: 720px; margin: 0 auto 28px; text-align: center; }
.featured-cases__head h2 { margin: 0; font-size: 32px; }
.featured-cases__head p { margin: 8px 0 0; color: var(--muted); }
.featured-cases__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.featured-case { border-radius: 18px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(16, 40, 58, .06); }
.featured-case img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.featured-case__body { padding: 18px 20px 20px; }
.featured-case__place { margin: 0; font-size: 13px; color: var(--signal-dark); }
.featured-case h3 { margin: 4px 0 10px; font-size: 19px; }
.featured-case__spec { display: flex; gap: 8px; margin: 0 0 10px; }
.featured-case__spec div { padding: 4px 10px; border-radius: 8px; background: #f1f6fa; font-size: 13px; display: flex; gap: 6px; }
.featured-case__spec dt { color: var(--muted); }
.featured-case__spec dd { margin: 0; font-weight: 600; }
.featured-case p { margin: 0; font-size: 14.5px; color: #33495a; }
@media (max-width: 900px) { .featured-cases__grid { grid-template-columns: 1fr; } }

/* 방문 지역 */
.coverage-section { padding: 72px 0; color: #fff; background: linear-gradient(108deg, rgba(7, 25, 40, .97) 0%, rgba(17, 48, 68, .95) 100%); }
.coverage-heading { text-align: center; max-width: 780px; margin: 0 auto 30px; }
.coverage-heading h2 { margin: 0; font-size: 32px; line-height: 1.3; }
.coverage-heading h2 em { color: #ffb497; }
.coverage-heading p { color: #c7cbcd; }
.coverage-grid { display: grid; gap: 16px; }
.coverage-region { border: 1px solid rgba(171, 216, 244, .26); border-radius: 16px; background: rgba(4, 20, 34, .34); padding: 18px 20px; }
.coverage-region summary { list-style: none; cursor: pointer; }
.coverage-region summary::-webkit-details-marker { display: none; }
.coverage-region-title { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border: 1px solid rgba(255, 107, 53, .62); border-radius: 999px; background: rgba(255, 107, 53, .14); font-size: 16px; }
.coverage-region-title small { color: #ffb497; }
.coverage-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 22px; }
.coverage-list li { padding: 10px 0; border-bottom: 1px solid rgba(171, 216, 244, .14); font-size: 14px; color: #b9c9da; }
.coverage-list b { display: block; color: #fff; font-size: 15.5px; margin-bottom: 2px; }
.coverage-near { text-align: center; margin: 20px 0 0; color: #9fb0bf; font-size: 14px; }
@media (max-width: 760px) { .coverage-list { grid-template-columns: 1fr; } }

/* 견적 요소 */
.onepage-pricing { padding: 64px 0; color: #fff; background: linear-gradient(108deg, #0d2a40 0%, #1a4566 100%); }
.onepage-pricing h2 { margin: 0; text-align: center; font-size: 30px; }
.pricing-lead { max-width: 760px; margin: 10px auto 26px; text-align: center; color: #c3d2df; }
.price-factors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.price-factors > div { padding: 20px; border-radius: 14px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); }
.price-factors span { color: #78b9f5; font-size: 13px; }
.price-factors strong { display: block; margin: 2px 0 6px; font-size: 17px; }
.price-factors p { margin: 0; color: #b9c9da; font-size: 14px; }
.pricing-cta { display: flex; justify-content: center; align-items: center; max-width: 520px; min-height: 52px; margin: 26px auto 0; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08); color: #fff; text-decoration: none; }
.pricing-cta:hover { background: rgba(120, 185, 245, .18); }
@media (max-width: 900px) { .price-factors { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .price-factors { grid-template-columns: 1fr; } }

/* 후기 */
.reviews-section { padding: 76px 0 84px; background: var(--cream); }
.reviews-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.review-card { padding: 24px; border-radius: 18px; background: #fff; border: 1px solid #f0e2d0; box-shadow: 0 10px 26px rgba(120, 80, 30, .06); }
.review-card__top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.review-situation { padding: 4px 10px; border-radius: 999px; background: #fff0e6; color: var(--signal-dark); font-size: 13px; }
.review-stars { color: #ffb400; letter-spacing: 2px; }
.review-quote-title { margin: 12px 0 8px; font-size: 19px; }
.review-card blockquote { margin: 0; color: #3b4d5b; font-size: 15px; }
.review-meta { margin-top: 12px; font-size: 13px; color: var(--muted); }
@media (max-width: 760px) { .reviews-grid { grid-template-columns: 1fr; } }

/* 사진 띠 */
.work-showcase { padding: 26px 0; background: var(--sky); overflow: hidden; }
.showcase-track { display: flex; gap: 12px; width: max-content; animation: showcase-move 50s linear infinite; }
.showcase-track figure { margin: 0; width: 280px; height: 200px; border-radius: 14px; overflow: hidden; flex: none; }
.showcase-track img { width: 100%; height: 100%; object-fit: cover; }
@keyframes showcase-move { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .showcase-track, .btn-phone, .callnow__btn { animation: none; } }

/* 진행 절차 */
.phone-flow { padding: 72px max(16px, calc((100% - 760px) / 2)) 80px; color: #fff; background: linear-gradient(108deg, rgba(7, 25, 40, .97) 0%, #163f5e 100%); }
.phone-flow h2 { margin: 0; text-align: center; font-size: 30px; line-height: 1.35; }
.flow-title-main, .flow-title-accent { display: block; }
.flow-title-accent { color: #ffb497; }
.flow-intro { text-align: center; color: #c3d2df; margin: 10px 0 28px; }
.phone-flow ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.phone-flow li { display: flex; gap: 16px; align-items: flex-start; padding: 18px; border-radius: 14px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); }
.phone-flow li > span { flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 107, 53, .18); color: #ffb497; font-weight: 700; }
.phone-flow b { display: block; font-size: 12px; color: #78b9f5; letter-spacing: .06em; }
.phone-flow strong { display: block; font-size: 17px; }
.phone-flow small { display: block; font-size: 14px; color: #b9c9da; }
.flow-phone { display: flex; justify-content: center; align-items: center; min-height: 54px; margin: 24px auto 0; max-width: 420px; border-radius: 12px; background: var(--green); color: #fff; text-decoration: none; font-weight: 600; }

/* 방문 전 체크 */
.arrival-check { padding: 72px 0 76px; background: var(--sky); }
.arrival-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.arrival-card { padding: 22px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.arrival-card span { color: var(--signal); font-weight: 700; }
.arrival-card strong { display: block; margin: 4px 0 6px; font-size: 17px; }
.arrival-card p { margin: 0; font-size: 14px; color: #44596a; }
@media (max-width: 900px) { .arrival-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .arrival-grid { grid-template-columns: 1fr; } }

/* FAQ */
.main-faq { padding: 72px 0 80px; }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 0 20px; }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; position: relative; font-weight: 600; font-size: 16.5px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; color: var(--blue); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: 0 0 18px; color: #3b4d5b; font-size: 15px; }

/* 관련 링크 */
.main-guidelinks { padding: 56px 0 64px; background: var(--sky); }
.gl-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.gl-list a { display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.gl-list a:hover { border-color: #1f6f9c; box-shadow: 0 2px 10px rgba(31, 111, 156, .12); }
.gl-list a::after { content: " →"; color: var(--blue); }
@media (max-width: 900px) { .gl-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.page-byline { margin-top: 18px; margin-bottom: 18px; font-size: 13px; color: var(--muted); text-align: right; }

/* 하단 퀵바 */
.quickbar { position: fixed; left: 50%; bottom: 12px; transform: translateX(-50%); z-index: 40; width: min(920px, calc(100% - 24px)); display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 10px 10px 10px 20px; border-radius: 18px; background: rgba(11, 31, 51, .95); backdrop-filter: blur(10px); box-shadow: 0 14px 34px rgba(0, 0, 0, .3); color: #fff; }
.quick-copy strong { display: block; font-size: 15px; }
.quick-copy span { font-size: 12.5px; color: #a9bccd; }
.quick-phone { background: var(--green); color: #fff; padding: 0 20px; min-height: 50px; flex-direction: column; gap: 0; line-height: 1.2; }
.quick-phone span { font-size: 12px; font-weight: 400; opacity: .9; }
.quick-sms { background: #fff; color: var(--ink); padding: 0 20px; min-height: 50px; }
@media (max-width: 640px) {
  .quickbar { grid-template-columns: 1fr 1fr; padding: 8px; }
  .quick-copy { display: none; }
}

/* 푸터 */
.site-footer { background: #071726; color: #a9bccd; padding: 44px 0 30px; font-size: 14px; }
.site-footer__inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-footer__brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-size: 20px; }
.site-footer__brand img { border-radius: 9px; }
.site-footer__tagline { margin: 10px 0; }
.site-footer__business { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; }
.site-footer__business b { color: #e3ecf3; font-weight: 500; }
.site-footer__areas { margin: 18px 0 0; }
.site-footer__areas a { text-decoration: none; }
.site-footer__copyright { margin: 18px 0 0; font-size: 12.5px; color: #6f8597; }

/* 모바일 */
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .hero-inner { min-height: 0; padding: 48px 0 40px; }
  .hero h1 { font-size: 36px; }
  .hero-h1sub { font-size: 21px; }
  .hero-copy { font-size: 16.5px; }
  .eyebrow { font-size: 14px; }
  .action-row { grid-template-columns: 1fr; }
  .section-head h2, .featured-cases__head h2, .coverage-heading h2, .center-title, .onepage-pricing h2, .phone-flow h2 { font-size: 25px; }
  .main-guidance, .guide-section, .featured-cases, .coverage-section, .arrival-check, .main-faq { padding-top: 52px; padding-bottom: 52px; }
  .intro-text { font-size: 16px; }
}

/* 고민 카드 · 실제 후기 출처 */
.center-lead { display: block; margin: 10px auto 0; max-width: 680px; font-size: 15.5px; font-weight: 400; color: var(--muted); letter-spacing: -.02em; }
.worry-card .review-quote-title { margin-top: 0; }
.worry-card p { margin: 0; color: #3b4d5b; font-size: 15px; }
.review-source { font-size: 12.5px; color: var(--muted); }