/* 원스톱시공 — 싱크대부분수리
   북유럽 주방 카탈로그 톤: 화이트 80% + 코발트블루 + 옐로우 포인트 + 차콜 텍스트
   각진 버튼, 넉넉한 여백, 반복 카드 금지 */

@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;700;800&display=swap');

:root {
  --white: #ffffff;
  --offwhite: #f5f6f8;
  --cobalt: #1447e6;
  --cobalt-deep: #0d2f9e;
  --yellow: #ffd400;
  --charcoal: #17181c;
  --gray: #5a5d66;
  --line: #e3e5ea;
  --radius: 2px;
  --container: 1180px;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0;
  background: var(--white);
  color: var(--charcoal);
  font-family: inherit;
  line-height: 1.6;
  word-break: keep-all;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.label {
  display: inline-block;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cobalt);
  text-transform: uppercase;
}
.label--on-dark { color: var(--yellow); }

.h1 { font-size: clamp(2.2rem, 5.6vw, 4rem); font-weight: 800; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
.h2 { font-size: clamp(1.6rem, 3.4vw, 2.5rem); font-weight: 800; line-height: 1.2; margin: 0; letter-spacing: -0.01em; }
.lead { font-size: 1.08rem; color: var(--gray); margin: 0; }
.muted { color: var(--gray); }

/* ---------- Buttons (각진, 그림자 없음) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  border: 2px solid var(--charcoal);
  background: var(--charcoal);
  color: var(--white);
  cursor: pointer;
}
.btn-yellow { background: var(--yellow); border-color: var(--yellow); color: var(--charcoal); }
.btn-lg { padding: 18px 36px; font-size: 1.1rem; }
.icon-sm { width: 18px; height: 18px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 76px; }
.brand-mark { height: 34px; width: auto; }
.main-nav { display: flex; gap: 26px; margin-left: 8px; flex: 1; overflow-x: auto; }
.main-nav a { font-weight: 600; font-size: 0.94rem; color: var(--charcoal); white-space: nowrap; padding: 4px 0; border-bottom: 2px solid transparent; }
.main-nav a.is-active, .main-nav a:hover { border-color: var(--cobalt); color: var(--cobalt); }
.header-cta {
  display: flex; align-items: center; gap: 8px;
  background: var(--cobalt); color: var(--white);
  padding: 11px 20px; font-weight: 700; font-size: 0.92rem;
  border-radius: var(--radius); white-space: nowrap;
}
.nav-toggle { display: none; background: none; border: none; padding: 6px; cursor: pointer; color: var(--charcoal); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--white); color: var(--charcoal); overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: stretch; height: 680px; }
.hero-body { padding: 40px 48px 40px 24px; display: flex; flex-direction: column; justify-content: center; gap: 18px; max-width: 640px; margin-left: auto; }
.hero-body .label { color: var(--cobalt); font-size: 0.88rem; }
.hero-body .h1 { color: var(--charcoal); font-size: clamp(2.2rem, 5vw, 3.6rem); }
.hero-body .lead { color: var(--gray); font-size: 1.12rem; line-height: 1.6; font-weight: 700; }
.hero-visual { position: relative; overflow: hidden; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; min-height: 180px; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,0.55), rgba(255,255,255,0)); }
.hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }

/* ---------- Section shell ---------- */
.section { padding: 88px 0; }
.section--tint { background: var(--offwhite); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head .h2 { margin-top: 12px; }
.section-head .lead { margin-top: 16px; }
.hook-lines { margin: 24px 0 28px; }
.hook-lines:last-of-type { margin-bottom: 0; }
.hook-line { font-weight: 700; color: var(--charcoal); font-size: 1.12rem; line-height: 1.7; margin: 0; }
.reveal-line { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal-group.is-visible .reveal-line { opacity: 1; transform: translateY(0); }

/* ---------- 판단 안내: 체크리스트 ---------- */
.checklist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 36px; }
.check-item { background: var(--white); padding: 30px 26px; display: flex; gap: 16px; }
.check-mark { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--cobalt); color: var(--white); display: flex; align-items: center; justify-content: center; }
.check-mark svg { width: 16px; height: 16px; }
.check-body h4 { margin: 0 0 6px; font-size: 1.02rem; font-weight: 700; }
.check-body p { margin: 0; color: var(--gray); font-size: 0.94rem; }

/* ---------- FAQ: 2열 x 5행 ---------- */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 36px; }
.faq-item { background: var(--white); padding: 26px 28px; }
.faq-item .q { display: flex; gap: 10px; margin: 0 0 8px; font-weight: 700; font-size: 1rem; }
.faq-item .q span { color: var(--cobalt); flex: none; }
.faq-item .a { margin: 0; padding-left: 22px; color: var(--gray); font-size: 0.92rem; }

/* ---------- 01~05 서비스 섹션: 좌 텍스트 고정 / 우 사진 고정 ---------- */
.service-section { border-top: 1px solid var(--line); padding: 96px 0; }
.service-section:nth-child(even) { background: var(--offwhite); }
.service-grid { display: grid; grid-template-columns: minmax(280px, 34%) 1fr; gap: 56px; align-items: center; }
.service-text .num { font-size: 4.6rem; font-weight: 800; color: var(--cobalt); line-height: 1; display: block; }
.service-text .keyword { font-size: 1.9rem; font-weight: 800; margin: 14px 0 18px; letter-spacing: -0.01em; }
.service-text p { color: var(--gray); font-size: 1.02rem; margin: 0 0 26px; }
.service-text .more-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--charcoal); border-bottom: 2px solid var(--yellow); padding-bottom: 3px; }

.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ba-item { position: relative; }
.ba-item img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/5; }
.ba-tag {
  position: absolute; top: 14px; left: 14px;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em;
  padding: 5px 12px; border-radius: var(--radius);
  background: var(--charcoal); color: var(--white);
}
.ba-item--after .ba-tag { background: var(--yellow); color: var(--charcoal); }

.ba-pending {
  border: 2px dashed var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  padding: 60px 24px; text-align: center; color: var(--gray); aspect-ratio: 16/9;
}
.ba-pending svg { width: 56px; height: 56px; color: var(--cobalt); }
.ba-pending strong { color: var(--charcoal); font-size: 0.98rem; }

/* ---------- Final CTA ---------- */
.final-cta { background: var(--cobalt); color: var(--white); text-align: center; padding: 96px 24px; }
.final-cta .h2 { color: var(--white); margin-top: 14px; }
.final-cta .lead { color: #dbe4ff; margin: 18px auto 34px; max-width: 560px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--charcoal); color: #c9cad0; padding: 56px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; padding-bottom: 34px; border-bottom: 1px solid #33343b; }
.footer-brand .brand-mark { height: 30px; margin-bottom: 16px; }
.footer-biz { font-size: 0.92rem; line-height: 1.9; color: #b7b8bf; }
.footer-biz a { color: var(--white); font-weight: 700; }
.footer-col h5 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; margin: 0 0 14px; }
.footer-col a { display: block; font-size: 0.92rem; padding: 5px 0; color: #b7b8bf; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; font-size: 0.82rem; color: #82838b; flex-wrap: wrap; }

.mobile-call-bar { display: none; }

/* =========================================================
   NSEO 상세페이지
   ========================================================= */
.detail-hero { padding: 56px 0 20px; }
.detail-hero .label { display: block; margin-bottom: 14px; }
.detail-hero .h1 { margin-top: 6px; }
.detail-hero .lead { margin-top: 18px; max-width: 640px; }

.detail-ba { padding: 20px 0 40px; }
.detail-ba .ba-grid { max-width: 880px; }
.ba-caption { color: var(--gray); font-size: 0.9rem; margin-top: 14px; text-align: center; }

.detail-block { padding: 56px 0; border-top: 1px solid var(--line); }
.detail-block h2 { font-size: 1.5rem; font-weight: 800; margin: 0 0 18px; }
.detail-block p { color: var(--gray); margin: 0 0 16px; max-width: 760px; }
.detail-block ul { margin: 0; padding-left: 20px; color: var(--gray); max-width: 760px; }
.detail-block p.text-strong { color: var(--charcoal); font-weight: 700; }
.detail-block li { margin-bottom: 8px; }

.related-block { padding: 64px 0 88px; border-top: 1px solid var(--line); background: var(--offwhite); }
.related-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 30px; }
.related-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
/* 5개: 3+2 배치, 2번째 줄 카드를 1번째 줄보다 넓게(=사진도 크게) */
.related-grid--cols-5 { grid-template-columns: repeat(6, 1fr); }
.related-grid--cols-5 .related-item:nth-child(-n+3) { grid-column: span 2; }
.related-grid--cols-5 .related-item:nth-child(n+4) { grid-column: span 3; }
.related-grid--cols-5 .related-item:nth-child(-n+3) .related-photo { aspect-ratio: 6/5; }
.related-item { display: block; background: var(--white); }
.related-photo { display: block; aspect-ratio: 4/3; overflow: hidden; }
.related-photo img { width: 100%; height: 100%; object-fit: cover; }
.related-item .num { display: block; color: var(--cobalt); font-weight: 800; font-size: 1.2rem; padding: 18px 22px 0; }
.related-item .kw { display: block; font-weight: 700; margin: 8px 0 6px; padding: 0 22px; }
.related-item .desc { display: block; color: var(--gray); font-size: 0.86rem; padding: 0 22px 22px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; height: auto; }
  .hero-body { padding: 28px 24px 20px; max-width: none; margin: 0; }
  .hero-visual img { min-height: 130px; }
  .service-grid { grid-template-columns: 1fr; gap: 30px; }
  .checklist { grid-template-columns: 1fr 1fr; }
  .related-grid--cols-4, .related-grid--cols-5 { grid-template-columns: 1fr 1fr; }
  .related-grid--cols-5 .related-item:nth-child(-n+3),
  .related-grid--cols-5 .related-item:nth-child(n+4) { grid-column: auto; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .header-inner { height: 62px; gap: 14px; }
  .header-cta { padding: 10px 12px; }
  .brand-mark { height: 28px; }
  .section { padding: 56px 0; }
  .service-section { padding: 56px 0; }
  .checklist { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .ba-grid { grid-template-columns: 1fr; gap: 12px; }
  .related-grid--cols-4, .related-grid--cols-5 { grid-template-columns: 1fr; }
  .related-grid--cols-5 .related-item:nth-child(-n+3),
  .related-grid--cols-5 .related-item:nth-child(n+4) { grid-column: auto; }
  .related-grid--cols-5 .related-item:nth-child(-n+3) .related-photo { aspect-ratio: 4/3; }
  .final-cta { padding: 64px 20px; }
  body { padding-bottom: 64px; }
  .mobile-call-bar {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
    background: var(--cobalt); color: var(--white); font-weight: 700;
    padding: 15px; border-top: 2px solid var(--yellow);
  }
}