/* 바닥코팅유지관리 — 인디고/스카이블루, 케어 가이드형 두 칼럼(해도 되는 것/피해야 하는 것) 레이아웃 */

:root {
  --primary: #22223B;
  --primary-soft: #3A3A5C;
  --accent: #4EA8DE;
  --accent-soft: #DCEFFB;
  --ink: #22223B;
  --paper: #F6F7FB;
  --card-bg: #FFFFFF;
  --line: #DCDCE8;
  --ok: #2E9E6B;
  --no: #D0574C;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans KR", -apple-system, "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2 {
  font-family: "Poor Story", "Noto Sans KR", sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.section-inner { max-width: 1080px; margin: 0 auto; padding: 52px 20px; }

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 2px solid var(--accent-soft);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  color: var(--primary);
  font-family: "Poor Story", sans-serif;
  font-size: 1.3rem;
  text-decoration: none;
}

.menu-toggle {
  width: 44px; height: 44px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  background: var(--accent-soft);
  border: none;
  border-radius: 12px;
  cursor: pointer;
}
.menu-toggle span { width: 20px; height: 2px; background: var(--primary); display: block; border-radius: 2px; }

#primary-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}
#primary-nav.is-open { display: flex; }
#primary-nav a {
  color: var(--primary);
  text-decoration: none;
  padding: 12px 8px;
  border-bottom: 1px solid var(--line);
  min-height: 44px;
  display: flex;
  align-items: center;
  font-weight: 700;
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
  #primary-nav {
    display: flex;
    flex-direction: row;
    width: auto;
    gap: 26px;
  }
  #primary-nav a { border-bottom: none; padding: 8px 0; }
}

/* ---------- 버튼: 둥근 모서리 + 부드러운 그림자 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  font-size: 1.02rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(78, 168, 222, 0.38); }
.btn-ghost { background: #fff; color: var(--primary); box-shadow: 0 6px 18px rgba(34, 34, 59, 0.14); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- 히어로 ---------- */
.hero {
  background: var(--primary);
  padding: 60px 0 72px;
  position: relative;
}
.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
  color: #fff;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--primary);
  background: var(--accent);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 18px;
  font-weight: 700;
}
.hero h1 {
  font-size: 2.3rem;
  margin: 0 0 18px;
  color: #fff;
}
.hero-sub { font-size: 1.05rem; max-width: 56ch; color: #C9CBE0; }

@media (min-width: 768px) {
  .hero { padding: 88px 0 100px; }
  .hero h1 { font-size: 3rem; }
}

/* ---------- 일상 청소 카드 ---------- */
.clean-section h2 { font-size: 1.6rem; color: var(--primary); margin-bottom: 10px; }
.lead { max-width: 68ch; color: #4B4B66; margin-bottom: 30px; }

.clean-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.clean-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 24px 22px;
  box-shadow: 0 8px 20px rgba(34, 34, 59, 0.08);
}
.clean-card h3 { font-size: 1.1rem; color: var(--primary); margin: 0 0 10px; font-family: "Noto Sans KR", sans-serif; font-weight: 700; }
.clean-card p { margin: 0; font-size: 0.98rem; }

@media (min-width: 480px) {
  .clean-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .clean-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 해도 되는 것 / 피해야 하는 것 두 칼럼 ---------- */
.dodont-section { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dodont-section h2 { font-size: 1.6rem; color: var(--primary); margin-bottom: 10px; }

.dodont-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 12px;
}

.do-col, .dont-col {
  border-radius: 20px;
  padding: 24px 22px 8px;
}
.do-col { background: #EAF7F0; }
.dont-col { background: #FBEAE8; }

.do-col h3, .dont-col h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Sans KR", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 16px;
}
.do-col h3 { color: var(--ok); }
.dont-col h3 { color: var(--no); }

.do-col ul, .dont-col ul { list-style: none; margin: 0; padding: 0; }
.do-col li, .dont-col li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0 18px;
  font-size: 0.98rem;
}

.dd-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  margin-top: -2px;
}
.dd-icon-ok { background: #CDEFDD; color: var(--ok); }
.dd-icon-x { background: #F6D6D2; color: var(--no); }

.dodont-note {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--accent-soft);
  border-radius: 16px;
  font-size: 0.95rem;
  color: var(--primary-soft);
}

@media (min-width: 768px) {
  .dodont-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 스플릿 섹션 ---------- */
.split-section { background: var(--paper); }
.split-section.alt { background: #fff; }
.split-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 52px 20px;
  display: grid;
  gap: 28px;
}
.split-text h2 { font-size: 1.45rem; color: var(--primary); margin-bottom: 16px; }
.split-text p { margin: 0 0 16px; }

.split-visual {
  min-height: 140px;
  background: var(--primary);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px;
}
.split-visual .tag {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 999px;
}
.split-visual .tag.alt { background: #fff; color: var(--primary); }
.split-visual .check-mark {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .split-inner { grid-template-columns: 1.3fr 1fr; align-items: center; }
  .split-section.alt .split-inner { grid-template-columns: 1fr 1.3fr; }
  .split-section.alt .split-visual { order: -1; }
}

/* ---------- 관리 습관 섹션 ---------- */
.habit-section { background: var(--paper); }
.habit-section h2 { font-size: 1.55rem; color: var(--primary); margin-bottom: 18px; }
.habit-section p { margin: 0 0 16px; max-width: 74ch; }
.habit-note { padding-top: 18px; border-top: 1px dashed var(--line); }
.habit-note a { color: var(--accent); font-weight: 700; text-decoration: underline; }

/* ---------- FAQ 아코디언 ---------- */
.faq-section { background: #fff; border-top: 1px solid var(--line); }
.faq-section h2 { font-size: 1.55rem; color: var(--primary); margin-bottom: 22px; }
.accordion-item {
  background: var(--paper);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-item h3 { margin: 0; }
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: "Noto Sans KR", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  padding: 18px 20px;
  min-height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.accordion-trigger::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
}
.accordion-trigger[aria-expanded="true"]::after { content: "\2212"; }
.accordion-panel { padding: 0 20px 20px; }
.accordion-panel p { margin: 0; }

/* ---------- CTA ---------- */
.cta-section {
  background: var(--primary);
  color: #fff;
  border-radius: 32px 32px 0 0;
}
.cta-inner { text-align: center; }
.cta-section h2 { font-size: 1.55rem; margin-bottom: 12px; }
.cta-section p { color: #C9CBE0; margin: 0 auto 8px; max-width: 52ch; }
.cta-section .hero-cta { justify-content: center; }

/* ---------- 푸터 ---------- */
.site-footer {
  background: #1B1B30;
  color: #C9CBE0;
  padding: 44px 20px 28px;
}
.footer-nav {
  max-width: 1080px;
  margin: 0 auto 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}
.footer-nav a {
  color: #C9CBE0;
  text-decoration: none;
  font-size: 0.92rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.footer-nav a:hover { color: var(--accent); }
.site-footer address { max-width: 1080px; margin: 0 auto 16px; font-style: normal; font-size: 0.9rem; line-height: 1.8; }
.site-footer address a { color: var(--accent); text-decoration: none; }
.site-footer p { max-width: 1080px; margin: 0 auto; font-size: 0.82rem; color: #8B8CA8; }

@media (min-width: 1024px) {
  .section-inner, .split-inner { max-width: 1080px; }
  .hero h1 { font-size: 3.3rem; }
}

@media (min-width: 1280px) {
  .section-inner, .split-inner { padding-left: 0; padding-right: 0; }
}

/* 현장 사진 */
.site-photo-section { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }
.site-photo-section h2 { color: var(--primary); margin: 0 0 18px; }
.site-photo-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.site-photo-grid picture { display: block; aspect-ratio: 4/3; overflow: hidden; }
.site-photo-grid img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 640px) { .site-photo-grid { grid-template-columns: repeat(2, 1fr); } }