/* 구로구배수로시공 — 매거진 지그재그 레이아웃, Nanum Myeongjo, 슬레이트/틸 팔레트 */

:root {
  --ink: #2C3E50;
  --ink-soft: #4A5F73;
  --accent: #16A085;
  --accent-dark: #0F7A66;
  --paper: #FAF8F3;
  --paper-line: #E4E0D6;
  --rule: #D8CFBB;
  font-size: 17px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Nanum Myeongjo", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-dark); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  background: var(--ink);
  color: #fff;
  border-bottom: 3px double var(--accent);
}
.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: "Nanum Myeongjo", serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.main-nav ul {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: #EDEBE3;
  text-decoration: none;
  font-size: 1rem;
}
.main-nav a[aria-current="page"] { color: var(--accent); border-bottom: 1px solid var(--accent); }

.hamburger {
  background: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  width: 42px;
  height: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
}

.mobile-nav {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.15);
}
.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1.25rem 1rem;
}
.mobile-nav li { padding: 0.6rem 0; }
.mobile-nav a { color: #EDEBE3; text-decoration: none; font-size: 1.05rem; }

@media (min-width: 860px) {
  .main-nav ul {
    display: flex;
    gap: 2rem;
  }
  .hamburger { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  max-width: 1140px;
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.hero-media {
  border: 1px solid var(--rule);
  padding: 6px;
  background: #fff;
}
.hero-media img { width: 100%; }
.eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--accent-dark);
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}
.hero h1 {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 0 0 1rem;
  line-height: 1.4;
  border-bottom: 3px double var(--rule);
  padding-bottom: 0.9rem;
}
.hero .lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
}

@media (min-width: 860px) {
  .hero { flex-direction: row; align-items: center; padding-top: 3rem; }
  .hero-media { flex: 1.1; }
  .hero-copy { flex: 1; }
  .hero h1 { font-size: 2.6rem; }
}

/* ---------- Zigzag sections ---------- */
.zigzag-section {
  max-width: 1140px;
  margin: 2rem auto;
  padding: 0 1.25rem;
}
.zigzag {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--paper-line);
}
.zigzag:first-child { border-top: none; }
.zigzag-media picture, .zigzag-media img { width: 100%; }
.zigzag-media {
  border: 1px solid var(--rule);
  padding: 5px;
  background: #fff;
}
.zigzag-text h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.9rem;
  position: relative;
  padding-left: 1rem;
  border-left: 4px solid var(--accent);
}
.zigzag-text p { margin: 0 0 1rem; color: var(--ink-soft); }
.zigzag-text p:last-child { margin-bottom: 0; }

@media (min-width: 860px) {
  .zigzag { flex-direction: row; align-items: center; gap: 3rem; padding: 3rem 0; }
  .zigzag > * { flex: 1; }
  .zigzag--img-right { flex-direction: row-reverse; }
}

/* ---------- Checkpoints ---------- */
.checkpoints {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
  background: #fff;
  border-top: 3px double var(--rule);
  border-bottom: 3px double var(--rule);
}
.checkpoints h2 {
  font-size: 1.5rem;
  color: var(--accent-dark);
  margin: 0 0 1.2rem;
  text-align: center;
}
.checkpoints ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.checkpoints li {
  position: relative;
  padding: 0.7rem 0 0.7rem 2rem;
  border-bottom: 1px dashed var(--paper-line);
  color: var(--ink-soft);
}
.checkpoints li:last-child { border-bottom: none; }
.checkpoints li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.7rem;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}
.faq h2 {
  font-size: 1.5rem;
  margin: 0 0 1.2rem;
  text-align: center;
}
.faq-item {
  padding: 1.1rem 0;
  border-top: 1px solid var(--paper-line);
}
.faq-item:last-child { border-bottom: 1px solid var(--paper-line); }
.faq-item h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.faq-item p { margin: 0; color: var(--ink-soft); }

/* ---------- CTA ---------- */
.cta-section {
  background: var(--ink);
  color: #fff;
  text-align: center;
  padding: 2.75rem 1.25rem;
  margin-top: 1rem;
}
.cta-section h2 {
  font-size: 1.5rem;
  margin: 0 0 0.8rem;
}
.cta-section p {
  margin: 0 0 1.5rem;
  color: #D8DEE4;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 340px;
  margin: 0 auto;
}
.btn {
  display: inline-block;
  padding: 0.9rem 1.5rem;
  font-family: "Nanum Myeongjo", serif;
  font-weight: 700;
  text-decoration: none;
  border-radius: 3px;
  font-size: 1rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-outline { background: transparent; color: #fff; border: 1px solid #fff; }

@media (min-width: 560px) {
  .cta-buttons { flex-direction: row; justify-content: center; max-width: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #22303D;
  color: #C9D2D9;
  padding: 2.5rem 1.25rem 6rem;
  text-align: center;
  font-size: 0.92rem;
}
.site-footer nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 0 0 1.5rem;
  padding: 0;
}
.site-footer nav a { color: #C9D2D9; text-decoration: none; }
.site-footer address { font-style: normal; line-height: 1.9; }
.site-footer address a { color: var(--accent); }
.site-footer p { margin-top: 1.5rem; color: #8895A0; }

/* ---------- Mobile CTA bar ---------- */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  z-index: 150;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
}
.mobile-cta {
  flex: 1;
  text-align: center;
  padding: 0.95rem 0;
  text-decoration: none;
  font-weight: 700;
  font-family: "Nanum Myeongjo", serif;
}
.mobile-cta.call { background: var(--accent); color: #fff; }
.mobile-cta.inquiry { background: var(--ink); color: #fff; }

@media (min-width: 860px) {
  .mobile-cta-bar { display: none; }
  .site-footer { padding-bottom: 2.5rem; }
}