/* siliconepro.kr - 어반픽스 실리콘시공 */

:root {
  --white: #ffffff;
  --gray-50: #f7f8f9;
  --gray-100: #eef1f3;
  --gray-200: #e2e6ea;
  --gray-300: #c9d0d7;
  --beige-50: #faf7f0;
  --beige-100: #f4ecd9;
  --blue: #2a6ebb;
  --blue-dark: #1f5a9e;
  --blue-light: #eaf2fb;
  --text: #2c3338;
  --text-sub: #5c6670;
  --text-light: #8a939b;
  --border: #e4e8eb;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 18px rgba(30, 40, 50, 0.06);
  --shadow-md: 0 8px 28px rgba(30, 40, 50, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Pretendard Variable", "Pretendard", "Noto Sans KR", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

a { color: inherit; text-decoration: none; }

ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-accent { color: var(--blue); }

.brand-icon { display: inline-flex; flex-shrink: 0; }
.brand-icon svg { display: block; }

.gnb {
  display: flex;
  align-items: center;
  gap: 6px;
}

.gnb a {
  padding: 10px 16px;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}

.gnb a:hover { background: var(--gray-100); color: var(--text); }

.gnb a.gnb-cta {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}

.gnb a.gnb-cta:hover { background: var(--blue-dark); color: #fff; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text);
  cursor: pointer;
  padding: 4px 8px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background-image: var(--hero-img, none);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 70px 20px;
  width: 100%;
}

.hero-inner.with-photo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-inner.with-photo .hero-box { flex: 1 1 480px; }

.hero-photo {
  flex: 0 0 400px;
  max-width: 400px;
}

.hero-photo img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.hero-box {
  max-width: 620px;
}

.hero-box h1,
.hero-box p.lead {
  text-shadow: 0 1px 24px rgba(255,255,255,0.95), 0 1px 3px rgba(255,255,255,0.9);
}

.hero-box .hero-eyebrow {
  box-shadow: 0 1px 10px rgba(255,255,255,0.9);
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.hero p.lead {
  font-size: 1.05rem;
  color: var(--text-sub);
  margin: 0 0 20px;
}

.hero-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.hero-tags span {
  background: var(--gray-100);
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.hero-tags span.point {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  border: none;
  transition: transform .12s, box-shadow .12s, background .15s;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(42,110,187,0.28);
}

.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }

.btn-outline {
  background: #fff;
  color: var(--blue);
  border: 2px solid var(--blue);
}

.btn-outline:hover { background: var(--blue-light); }

.btn-sm { padding: 10px 20px; font-size: 0.92rem; }

.btn-block { width: 100%; }

/* ---------- Sections ---------- */
section { padding: 78px 0; }

.section-alt { background: var(--gray-50); }

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 46px;
}

.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: block;
}

.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--text-sub);
  font-size: 1.02rem;
  margin: 0;
}

/* ---------- Before / After ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.case-grid.single {
  grid-template-columns: 1fr;
  max-width: 1000px;
  margin: 0 auto;
}

.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-compare {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 44px;
  padding: 40px 44px 8px;
}

.case-compare figure {
  margin: 0;
  position: relative;
  flex: 1 1 340px;
  max-width: 400px;
}

.case-compare img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.case-compare figcaption {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  color: #fff;
}

.tag-before { background: #a9895a; }
.tag-after { background: var(--blue); }

.case-desc {
  padding: 20px 22px 28px;
  text-align: center;
}

.case-desc h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  color: var(--text);
}

.case-desc p { margin: 0; color: var(--text-sub); font-size: 0.95rem; }

/* ---------- Service cards ---------- */
.service-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
}

.service-grid .service-card {
  flex: 1 1 320px;
  max-width: calc(33.333% - 18px);
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
  display: flex;
  flex-direction: column;
}

.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.service-card .thumb { position: relative; }

.service-card img { width: 100%; height: 190px; object-fit: cover; }

.service-card .body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: var(--text);
}

.service-card p {
  margin: 0 0 20px;
  color: var(--text-sub);
  font-size: 0.94rem;
  flex: 1;
}

.card-link {
  color: var(--blue);
  font-weight: 700;
  font-size: 0.94rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link::after { content: "→"; transition: transform .15s; }

.service-card:hover .card-link::after { transform: translateX(3px); }

/* ---------- Reason section ---------- */
.reason-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.reason-text h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.reason-text p { color: var(--text-sub); margin: 0 0 16px; font-size: 1.02rem; }

.reason-points {
  display: grid;
  gap: 16px;
  margin-top: 10px;
}

.reason-points li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.95rem;
  color: var(--text);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.reason-points li b { color: var(--blue); }

.reason-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.situation-wrap {
  align-items: stretch;
}

.situation-wrap .reason-media img {
  height: 100%;
  min-height: 460px;
}

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.process-step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  box-shadow: var(--shadow);
}

.process-step .num {
  width: 42px;
  height: 42px;
  line-height: 42px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  font-weight: 800;
  margin: 0 auto 14px;
}

.process-step h3 { margin: 0 0 8px; font-size: 1.02rem; }
.process-step p { margin: 0; font-size: 0.88rem; color: var(--text-sub); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  margin: 0;
  font: inherit;
  text-align: left;
  color: var(--text);
  padding: 20px 26px;
  cursor: pointer;
}

.faq-q .q-mark { color: var(--blue); font-weight: 800; flex-shrink: 0; }

.faq-q-text { flex: 1; font-size: 1.02rem; font-weight: 600; }

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--blue);
  border-radius: 2px;
}

.faq-icon::before { top: 8px; left: 1px; width: 16px; height: 2px; }
.faq-icon::after { top: 1px; left: 8px; width: 2px; height: 16px; transition: transform .2s ease; }

.faq-item.open .faq-icon::after { transform: scaleY(0); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}

.faq-item.open .faq-a { max-height: 600px; }

.faq-a p {
  margin: 0;
  color: var(--text-sub);
  font-size: 0.95rem;
  padding: 0 26px 22px 58px;
}

.faq-more { text-align: center; margin-top: 34px; }

/* ---------- Photo grid (NSEO detail pages) ---------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.photo-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Why cards (region pages) ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.why-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow);
}

.why-card .why-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-weight: 800;
}

.why-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.why-card p { margin: 0; color: var(--text-sub); font-size: 0.92rem; }

.photo-grid figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #fff;
}

.photo-grid img { width: 100%; height: 210px; object-fit: cover; }

.photo-grid figcaption {
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--text-sub);
  text-align: center;
}

/* ---------- Content blocks (detail pages) ---------- */
.content-block { max-width: 860px; margin: 0 auto; }

.content-block h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.content-block p { color: var(--text-sub); font-size: 1.02rem; margin: 0 0 16px; }

.check-list {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.check-list li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--text);
}

.check-list li .mark {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 70px 0;
}

.cta-section h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.cta-section p {
  max-width: 620px;
  margin: 0 auto 30px;
  color: rgba(255,255,255,0.9);
  font-size: 1.02rem;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--blue-dark);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}

.cta-section .btn-primary:hover { background: var(--gray-100); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--text);
  color: #cfd6db;
  padding: 50px 0 90px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-brand { font-size: 1.2rem; font-weight: 800; color: #fff; margin-bottom: 10px; }

.footer-info { font-size: 0.9rem; line-height: 1.9; color: #aab2b8; }

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

.footer-nav a { font-size: 0.94rem; color: #cfd6db; }

.footer-nav a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  font-size: 0.82rem;
  color: #8a9298;
}

/* ---------- Floating call button (PC) ---------- */
.float-call {
  position: fixed;
  right: 26px;
  bottom: 90px;
  z-index: 200;
  background: var(--blue);
  color: #fff;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(42,110,187,0.4);
  font-size: 1.6rem;
}

.float-call:hover { background: var(--blue-dark); }

/* ---------- Mobile fixed bottom call bar ---------- */
.mobile-call-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  background: var(--blue);
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-call-bar a {
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  min-height: 52px;
  padding: 14px 20px;
}

/* ---------- Sitemap page ---------- */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.sitemap-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}

.sitemap-card h3 { margin: 0 0 10px; font-size: 1.14rem; }
.sitemap-card p { margin: 0 0 16px; color: var(--text-sub); font-size: 0.95rem; }

/* ---------- Contact page ---------- */
.contact-hero {
  background: var(--blue-light);
  border-radius: var(--radius);
  padding: 46px 40px;
  text-align: center;
  margin-bottom: 40px;
}

.contact-phone {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin: 14px 0 24px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.info-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow);
}

.info-box h3 { margin: 0 0 16px; font-size: 1.1rem; }

/* ---------- Breadcrumb-free util ---------- */
.text-center { text-align: center; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .service-grid .service-card { max-width: calc(50% - 13px); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .reason-wrap { grid-template-columns: 1fr; }
  .reason-media img { height: 260px; }
  .situation-wrap .reason-media img { height: 300px; min-height: 0; }
  .info-grid { grid-template-columns: 1fr; }
  .case-compare { padding: 32px 24px 8px; gap: 24px; }
  .case-compare img { height: 300px; }
}

@media (max-width: 720px) {
  .gnb { display: none; }
  .menu-toggle { display: block; }
  .header-inner { flex-wrap: wrap; }

  .gnb.open {
    display: flex;
    flex-direction: column;
    width: 100%;
    order: 3;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
  }

  .hero { min-height: auto; }
  .hero-inner { padding: 44px 18px 56px; }
  .hero-box { padding: 28px 22px; }
  .hero h1 { font-size: 1.8rem; }

  .hero-inner.with-photo { flex-direction: column; }
  .hero-photo { flex: none; width: 100%; max-width: 100%; order: 2; margin-top: 4px; }
  .hero-photo img { height: 200px; }

  section { padding: 54px 0; }
  .section-head h2 { font-size: 1.55rem; }

  .case-grid { grid-template-columns: 1fr; }
  .case-compare { flex-direction: column; align-items: center; padding: 26px 18px 6px; gap: 22px; }
  .case-compare figure { max-width: 100%; width: 100%; }
  .case-compare img { height: 220px; }

  .service-grid .service-card { max-width: 100%; flex-basis: 100%; }

  .process-grid { grid-template-columns: 1fr 1fr; }

  .photo-grid { grid-template-columns: 1fr; }
  .photo-grid.cols-4 { grid-template-columns: 1fr; }

  .footer-top { flex-direction: column; }

  .float-call { display: none; }
  .mobile-call-bar { display: block; }
  body { padding-bottom: 70px; }

  .sitemap-grid { grid-template-columns: 1fr; }

  .contact-phone { font-size: 1.6rem; }
}