/* 가벽시공업체 - 집수리톱스타 공통 스타일 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --dark: #1e293b;
  --gray-700: #334155;
  --gray-500: #64748b;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --bg: #ffffff;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--bg);
}

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

a { color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 {
  color: var(--dark);
  line-height: 1.35;
  margin: 0 0 16px;
}

h2 { font-size: 1.9rem; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 14px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 16px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
  white-space: nowrap;
}

.logo span { color: var(--primary); }

.main-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.98rem;
}

.main-nav a:hover { color: var(--primary); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: #fff !important;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  min-height: 44px;
}

.header-cta:hover { background: var(--primary-dark); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #eef3ff 0%, #f8fafc 100%);
  padding: 64px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: 40px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  padding: 6px 14px;
  background: #dbeafe;
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 3.4rem;
  margin-bottom: 18px;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--gray-500);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(15,23,42,0.12);
}

.hero.hero-overlay {
  position: relative;
  padding: 0;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: none;
}

.hero-overlay .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay .hero-inner {
  position: relative;
  z-index: 1;
  display: block;
  padding-top: 90px;
  padding-bottom: 90px;
}

.hero-overlay .hero-text {
  max-width: 560px;
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.8), 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* ---------- Buttons ---------- */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  background-color: var(--primary);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  min-height: 44px;
  min-width: 44px;
  border: none;
  cursor: pointer;
}

.cta-button:hover { background-color: var(--primary-dark); }

.cta-button.outline {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.cta-button.outline:hover { background: #eef3ff; }

/* ---------- Sections ---------- */
section { padding: 56px 0; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}

.section-head p { color: var(--gray-500); }

.bg-alt { background: var(--gray-100); }

/* ---------- Service cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.region-group h3 { font-size: 1.15rem; margin-bottom: 16px; }
.region-group { margin-bottom: 36px; }
.region-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.region-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.region-card h4 { font-size: 1rem; margin-bottom: 6px; color: var(--dark); }
.region-card p { color: var(--gray-500); font-size: 0.85rem; margin-bottom: 0; line-height: 1.5; }

.service-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(15,23,42,0.1);
}

.service-card .icon {
  width: 52px;
  height: 52px;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--gray-500); margin-bottom: 0; }

/* ---------- Case studies (시공사례별 정리) ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.case-photos {
  display: flex;
  gap: 3px;
}

.case-photos img {
  flex: 1;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.case-body { padding: 18px; }

.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: #dbeafe;
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.case-body h4 {
  font-size: 1rem;
  margin: 0 0 8px;
  color: var(--dark);
}

.case-body p {
  color: var(--gray-500);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.case-body a {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.case-body a:hover { text-decoration: underline; }

/* ---------- Slider (오른쪽 -> 왼쪽 무한 슬라이드) ---------- */
.slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
}

.slider-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: slide-rtl 32s linear infinite;
}

.slider:hover .slider-track { animation-play-state: paused; }

.slider-item {
  width: 260px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.35s ease;
}

.slider-item img {
  border-radius: 12px;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.slider-item.is-center {
  transform: scale(1.08);
  animation: center-bounce 2.4s ease-in-out infinite;
  box-shadow: 0 18px 34px rgba(15,23,42,0.18);
  z-index: 2;
}

@keyframes slide-rtl {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes center-bounce {
  0%, 100% { transform: scale(1.08) translateY(0); }
  50% { transform: scale(1.12) translateY(-6px); }
}

/* ---------- Testimonials ---------- */
.testimonials h3 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 28px;
}

.testimonial-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.testimonial-card:hover {
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.testimonial-stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 10px; font-size: 0.95rem; }
.testimonial-card p.quote { color: var(--gray-700); margin-bottom: 16px; flex: 1; line-height: 1.6; }
.testimonial-card .testimonial-meta { border-top: 1px solid var(--gray-200); padding-top: 12px; }
.testimonial-name { font-weight: 700; color: var(--dark); font-size: 0.92rem; }
.testimonial-loc { color: var(--gray-500); font-size: 0.85rem; }

/* ---------- FAQ - BENTO grid ---------- */
.faq-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(140px, auto);
  grid-auto-flow: dense;
  gap: 18px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
}

.faq-item.large {
  grid-column: span 2;
  grid-row: span 2;
  background: #eef3ff;
  border-color: #c7d9fc;
}

.faq-item h4 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.faq-item.large h4 { font-size: 1.25rem; }

.faq-item p { color: var(--gray-500); margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Content pages ---------- */
.page-hero {
  padding: 48px 0 36px;
  background: var(--gray-100);
  text-align: center;
}

.page-hero h1 { font-size: 2.1rem; margin-bottom: 10px; }
.page-hero p { color: var(--gray-500); max-width: 640px; margin: 0 auto; }

.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.content-block:last-of-type { border-bottom: none; }
.content-block.reverse .content-text { order: 2; }
.content-block.reverse .content-image { order: 1; }
.content-block img { border-radius: var(--radius); }

.related-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.related-links a {
  padding: 12px 18px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.related-links a:hover { border-color: var(--primary); color: var(--primary); }

.about-photo-grid { display: grid; gap: 10px; }
.about-photo-grid.trio { grid-template-columns: repeat(3, 1fr); }
.about-photo-grid.duo { grid-template-columns: repeat(2, 1fr); }
.about-photo-grid a { display: block; text-decoration: none; color: inherit; text-align: center; }
.about-photo-grid img { border-radius: 12px; aspect-ratio: 3/4; object-fit: cover; margin-bottom: 8px; }
.about-photo-grid span { font-size: 0.85rem; font-weight: 700; color: var(--dark); }

.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-list .faq-item.large { grid-column: unset; grid-row: unset; }

.info-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.info-table th, .info-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
}
.info-table th { width: 160px; color: var(--gray-500); font-weight: 600; }

.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); }
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 40px 0 24px;
  margin-top: 40px;
}

.site-footer h4 { color: #fff; margin-bottom: 10px; }
.site-footer p { font-size: 0.9rem; margin-bottom: 6px; }
.site-footer a { color: #93c5fd; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 20px;
  padding-top: 16px;
  font-size: 0.82rem;
  color: #94a3b8;
}

/* ---------- Sticky mobile call bar ---------- */
.mobile-call-bar { display: none; }

/* ---------- Tablet ---------- */
@media (max-width: 1024px) {
  .container { padding: 0 16px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { order: -1; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-cards { grid-template-columns: repeat(2, 1fr); }
  .faq-bento { grid-template-columns: repeat(2, 1fr); }
  .faq-item.large { grid-column: span 2; grid-row: span 1; }
  .content-block { grid-template-columns: 1fr; }
  .content-block.reverse .content-text,
  .content-block.reverse .content-image { order: unset; }
  .main-nav { display: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 767px) {
  body { font-size: 15px; padding-bottom: 68px; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 2.4rem; }
  .hero.hero-overlay { min-height: 420px; }
  .hero-overlay .hero-inner { padding-top: 48px; padding-bottom: 48px; }
  h2 { font-size: 1.5rem; }
  .grid-3, .faq-bento, .case-grid, .testimonial-cards, .region-grid { grid-template-columns: 1fr; }
  .faq-item.large { grid-column: unset; grid-row: unset; }
  .header-inner { padding: 12px 16px; }
  .header-cta span.cta-text { display: none; }
  .cta-button { padding: 12px 18px; font-size: 0.95rem; }
  .slider-item { width: 190px; }

  .mobile-call-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--primary);
  }
  .mobile-call-bar a {
    flex: 1;
    text-align: center;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: 16px 0;
    min-height: 44px;
  }
}