/* 강서구배수로시공 — magazine card-grid design
   font: Gowun Dodum / ink #22333B / accent #C6A15B */

:root {
  --ink: #22333B;
  --ink-soft: #3d5763;
  --accent: #C6A15B;
  --accent-soft: #e8d9b8;
  --paper: #f6f1e7;
  --card-bg: #ffffff;
  --line: #d8cdb4;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Gowun Dodum", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}

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

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.6em 1em;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* header */
.site-header {
  background: var(--ink);
  color: #fdfaf3;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 3px solid var(--accent);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  color: #fdfaf3;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
}
.hamburger {
  display: none;
  background: none;
  border: none;
  width: 34px;
  height: 28px;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1.25rem 1rem;
  background: var(--ink);
}
.mobile-nav a {
  display: block;
  color: #fdfaf3;
  text-decoration: none;
  padding: 0.6rem 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
}

/* hero */
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.75rem 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 0.9rem;
  color: var(--ink);
  position: relative;
  padding-left: 1rem;
  border-left: 6px solid var(--accent);
}
.hero .lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0;
}
.hero-media img {
  border: 1px solid var(--line);
  border-radius: 4px;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
}

/* card grid */
.card-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.5rem 1.25rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 6px;
  padding: 1.4rem 1.5rem;
}
.card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.6rem;
  color: var(--ink);
}
.card p { margin: 0; color: var(--ink-soft); }

.card-check,
.card-faq {
  grid-column: span 3;
  background: var(--ink);
  color: #fdfaf3;
  border-top-color: var(--accent);
}
.card-check h2,
.card-faq h2 { color: var(--accent); }
.card-check ul {
  margin: 0;
  padding-left: 1.2rem;
}
.card-check li { margin-bottom: 0.5rem; }

.faq-item { margin-bottom: 1rem; }
.faq-item:last-child { margin-bottom: 0; }
.faq-item .q { font-weight: 700; margin: 0 0 0.25rem; color: var(--accent-soft); }
.faq-item .a { margin: 0; color: #e7e0d0; }

@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-check, .card-faq { grid-column: span 2; }
}
@media (max-width: 620px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-check, .card-faq { grid-column: span 1; }
}

/* photo row */
.photo-row {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.photo-row figure { margin: 0; }
.photo-row img {
  border: 1px solid var(--line);
  border-radius: 4px;
  width: 100%;
}
.photo-row figcaption {
  text-align: center;
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
@media (max-width: 620px) {
  .photo-row { grid-template-columns: 1fr; }
}

/* cta */
.cta {
  background: var(--accent-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  padding: 2.75rem 1.25rem;
}
.cta h2 { margin: 0 0 0.5rem; font-size: 1.5rem; color: var(--ink); }
.cta p { margin: 0 0 1.4rem; color: var(--ink-soft); }
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  border: 2px solid var(--ink);
}
.btn-primary { background: var(--ink); color: #fdfaf3; }
.btn-outline { background: transparent; color: var(--ink); }
.btn-primary:hover { background: var(--ink-soft); }
.btn-outline:hover { background: var(--ink); color: #fdfaf3; }

/* footer */
.site-footer {
  background: var(--ink);
  color: #cfd6d8;
  padding: 2.5rem 1.25rem 6rem;
  text-align: center;
  font-size: 0.9rem;
}
.site-footer nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  flex-wrap: wrap;
}
.site-footer nav a { color: #fdfaf3; text-decoration: none; }
.site-footer nav a:hover { color: var(--accent); }
.site-footer address {
  font-style: normal;
  margin: 0 0 1rem;
  line-height: 1.8;
}
.site-footer address a { color: var(--accent); text-decoration: none; }

/* mobile sticky cta */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  z-index: 30;
}
.mobile-cta {
  flex: 1;
  text-align: center;
  padding: 0.9rem 0;
  text-decoration: none;
  font-weight: 700;
}
.mobile-cta.call { background: var(--ink); color: #fdfaf3; }
.mobile-cta.inquiry { background: var(--accent); color: var(--ink); }

@media (max-width: 760px) {
  .mobile-cta-bar { display: flex; }
  .site-footer { padding-bottom: 6rem; }
}