/* 바닥코팅업체 — 체크리스트/포스터 컨셉, 네이비×레드, 하드 드롭섀도 버튼 */

:root {
  --navy: #2B2D42;
  --navy-deep: #1B1D2E;
  --red: #EF233C;
  --paper: #F5F5F7;
  --line: #D9D9E3;
  --ink: #2B2D42;
}

* { 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, h3, .btn {
  font-family: "Black Han Sans", "Noto Sans KR", sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

img { max-width: 100%; height: auto; display: block; }
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: 960px; margin: 0 auto; padding: 0 20px; }

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  border-bottom: 4px solid var(--red);
}
.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  color: #fff;
  font-family: "Black Han Sans", sans-serif;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.menu-toggle {
  width: 44px; height: 44px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  background: var(--red);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.menu-toggle span { width: 20px; height: 2px; background: #fff; }
#primary-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}
#primary-nav.is-open { display: flex; }
#primary-nav a {
  color: #F5F5F7;
  text-decoration: none;
  padding: 12px 10px;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
#primary-nav a:hover { color: var(--red); }

@media (min-width: 768px) {
  .header-inner { flex-wrap: nowrap; }
  .menu-toggle { display: none; }
  #primary-nav { display: flex; flex-direction: row; width: auto; gap: 4px; }
  #primary-nav a { padding: 10px 14px; border-bottom: none; }
}

/* ---------- 버튼: 하드 드롭섀도 포스터 스타일 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  font-size: 1rem;
  text-decoration: none;
  border: 3px solid var(--navy);
  border-radius: 0;
  cursor: pointer;
  background: #fff;
  color: var(--navy);
  box-shadow: 6px 6px 0 var(--navy);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--navy); }
.btn-primary {
  background: var(--red);
  color: #fff;
  border-color: var(--navy-deep);
  box-shadow: 6px 6px 0 var(--navy-deep);
}
.btn-primary:hover { box-shadow: 3px 3px 0 var(--navy-deep); }
.btn-ghost {
  background: #fff;
  color: var(--navy);
}

/* ---------- 히어로 ---------- */
.hero {
  background: var(--navy);
  padding: 56px 0 48px;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--red) 0 24px, transparent 24px 48px);
}
.hero-inner { position: relative; }
.eyebrow {
  display: inline-block;
  color: var(--navy);
  background: var(--red);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  padding: 6px 12px;
  margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  line-height: 1.15;
  margin: 0 0 18px;
  color: #fff;
}
.hero-sub {
  font-size: 1.05rem;
  color: #D9D9E3;
  margin: 0 0 28px;
  max-width: 42em;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 인트로 ---------- */
.intro-section { padding: 40px 0 8px; }
.intro-section p { margin: 0; font-size: 1.02rem; }
.intro-section a { color: var(--red); font-weight: 700; text-decoration: underline; }

/* ---------- 체크리스트 ---------- */
.checklist-section { padding: 36px 0 8px; }
.checklist-section h2 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--navy);
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 4px solid var(--navy);
}
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.checklist-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  background: #fff;
  border: 3px solid var(--navy);
  padding: 20px 18px;
  box-shadow: 8px 8px 0 var(--line);
}
.check-num {
  font-family: "Black Han Sans", sans-serif;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--red);
}
.check-body h3 {
  font-size: 1.15rem;
  color: var(--navy);
  margin: 4px 0 10px;
  line-height: 1.4;
}
.check-body p { margin: 0; font-size: 0.98rem; }

@media (min-width: 768px) {
  .checklist-item { grid-template-columns: 80px 1fr; padding: 26px 28px; gap: 22px; }
  .check-num { font-size: 3rem; }
  .check-body h3 { font-size: 1.3rem; }
}

/* ---------- 안내 ---------- */
.note-section { padding: 44px 0 8px; }
.note-section h2 {
  font-size: clamp(1.3rem, 3.5vw, 1.7rem);
  color: var(--navy);
  margin: 0 0 16px;
}
.note-section p {
  margin: 0;
  padding: 18px 20px;
  border-left: 6px solid var(--red);
  background: #fff;
}
.note-section a { color: var(--red); font-weight: 700; text-decoration: underline; }

/* ---------- CTA ---------- */
.cta-section { padding: 48px 0 60px; margin-top: 32px; background: var(--navy); color: #fff; }
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 14px; color: #fff; }
.cta-inner p { margin: 0 0 26px; color: #D9D9E3; }
.cta-inner .hero-cta { justify-content: center; }
.cta-inner .btn-ghost { background: transparent; color: #fff; border-color: #fff; box-shadow: 6px 6px 0 rgba(255,255,255,0.4); }
.cta-inner .btn-ghost:hover { box-shadow: 3px 3px 0 rgba(255,255,255,0.4); }

/* ---------- 푸터 ---------- */
.site-footer { background: var(--navy-deep); color: #C7C9D9; padding: 40px 20px 28px; }
.footer-nav { max-width: 1000px; margin: 0 auto 24px; display: flex; flex-wrap: wrap; gap: 10px 18px; }
.footer-nav a { color: #C7C9D9; text-decoration: none; font-size: 0.92rem; min-height: 44px; display: flex; align-items: center; }
.footer-nav a:hover { color: var(--red); }
.site-footer address { max-width: 1000px; margin: 0 auto 16px; font-style: normal; font-size: 0.9rem; line-height: 1.9; color: #9A9CB5; }
.site-footer address a { color: var(--red); text-decoration: none; }
.site-footer p { max-width: 1000px; margin: 0 auto; font-size: 0.85rem; color: #6F7190; }

/* ---------- 반응형 ---------- */
@media (min-width: 480px) {
  .hero { padding-top: 64px; }
}
@media (min-width: 1024px) {
  .section-inner { padding: 0 40px; }
  .header-inner { padding: 14px 40px; }
}
@media (min-width: 1280px) {
  .section-inner { max-width: 1040px; }
  .header-inner { max-width: 1080px; }
  .footer-nav, .site-footer address, .site-footer p { max-width: 1080px; }
}

/* 현장 사진 */
.site-photo-section { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }
.site-photo-section h2 { color: var(--navy); 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); } }