/* TV히어로 — 읽기 쉬운 홈페이지
   흰 바탕 + 진한 글자. 노란색은 버튼과 강조에만. 글꼴은 Pretendard 하나. */
:root {
  --bg: #ffffff;
  --soft: #f5f6f8;
  --ink: #16191f;
  --text: #2c3038;
  --muted: #474d57;
  --line: #e1e4e9;
  --yellow: #fcbc16;
  --yellow-soft: #fff5d6;
  --font: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --wrap: 1120px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.8;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { color: var(--ink); letter-spacing: -0.025em; }
:focus-visible { outline: 3px solid #2563eb; outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 50; background: var(--bg); padding: 8px 12px; }

/* ---------- 헤더 ---------- */
.header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.4) blur(8px);
}
.header__in { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: inline-flex; flex: none; border-radius: 8px; overflow: hidden; }
.logo img { width: auto; height: 44px; }
.nav { display: flex; gap: 28px; margin-left: auto; font-size: 16px; font-weight: 600; color: var(--text); }
.nav a { text-decoration: none; padding: 8px 0; }
.nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; }
.header__call {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--yellow); color: var(--ink);
  font-weight: 800; font-size: 17px; text-decoration: none;
  padding: 10px 18px; border-radius: 10px; white-space: nowrap;
}
.header__call svg { width: 17px; height: 17px; }
.header__call:hover { background: #f1b000; }

/* ---------- 히어로: 현장 사진 전체 배경 ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; align-items: center;
  min-height: min(760px, 86vh);
  padding: 72px 0 140px;
  background: #0e1013; color: #fff;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover; object-position: 65% center;
  animation: hero-zoom 1.8s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 12, 16, .95) 0%, rgba(10, 12, 16, .9) 40%, rgba(10, 12, 16, .55) 62%, rgba(10, 12, 16, .12) 100%),
    linear-gradient(0deg, rgba(10, 12, 16, .55) 0%, rgba(10, 12, 16, 0) 40%);
}
.hero__inner { width: 100%; }
.hero__copy { max-width: 640px; animation: hero-in .9s .15s cubic-bezier(.2, .7, .2, 1) both; }
.crumbs { font-size: 15px; margin: 0 0 28px; color: rgba(255, 255, 255, .82); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs li + li::before { content: "›"; margin-right: 8px; }
.crumbs a { text-decoration: none; color: #fff; }
.crumbs a:hover { text-decoration: underline; }
.hero__badge {
  display: inline-block;
  margin: 0 0 24px; padding: 6px 12px 5px;
  border-radius: 3px;
  background: var(--yellow); color: var(--ink);
  font-size: 16px; font-weight: 800; line-height: 1.4; letter-spacing: -0.02em;
}
.hero__title {
  margin: 0 0 22px; color: #fff;
  font-size: clamp(44px, 6.4vw, 80px); font-weight: 800; line-height: 1.12; letter-spacing: -0.035em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .25);
}
.hero__title span { display: block; }
.hero__title .city { color: var(--yellow); }
.hero__title .brand { margin-top: 10px; font-size: .5em; font-weight: 800; color: var(--yellow); letter-spacing: -0.02em; }
.hero__lead { margin: 0 0 36px; max-width: 28em; font-size: 20px; line-height: 1.75; color: rgba(255, 255, 255, .92); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 58px; padding: 0 26px; border-radius: 12px;
  font-family: var(--font); font-size: 18px; font-weight: 800; letter-spacing: -0.02em;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--call { background: var(--yellow); color: var(--ink); }
.btn--call:hover { background: #ffc93d; }
.hero .btn--call { min-height: 64px; padding: 0 30px; font-size: 20px; }
.btn--ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .7); }
.hero .btn--ghost { min-height: 64px; }
.btn--ghost:hover { background: rgba(255, 255, 255, .18); border-color: #fff; }
.btn--line { background: var(--bg); color: var(--ink); border-color: var(--ink); }
.btn--line:hover { background: var(--soft); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #000; }
.hero :focus-visible { outline-color: var(--yellow); }

@keyframes hero-zoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@keyframes hero-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* 핵심 정보 4칸: 히어로 아래에 겹쳐 올림 */
.facts-wrap { position: relative; z-index: 2; margin-top: -72px; }
.facts {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0; padding: 0;
  background: var(--bg); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 24px 50px -24px rgba(14, 16, 19, .35);
}
.facts div { padding: 26px 28px; }
.facts div + div { border-left: 1px solid var(--line); }
.facts dt { font-size: 15px; font-weight: 600; color: var(--muted); }
.facts dd { margin: 4px 0 0; font-size: 18px; font-weight: 800; line-height: 1.5; color: var(--ink); }
.facts a { text-decoration: none; }
.facts a:hover { text-decoration: underline; }

/* ---------- 공통 섹션 ---------- */
.section { padding: 100px 0; }
.section--plaster { background: var(--soft); }
.section__head { max-width: 720px; margin-bottom: 44px; }
.h2 { margin: 0 0 14px; font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; line-height: 1.35; }
.h3 { margin: 0 0 6px; font-size: 20px; font-weight: 700; line-height: 1.5; }
.intro { margin: 0; font-size: 19px; line-height: 1.8; color: var(--text); }
.prose { max-width: 760px; }
.prose p { margin: 0 0 1.2em; }

/* 소개 */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.quote-line {
  margin: 32px 0 0; padding: 22px 26px;
  background: var(--yellow-soft); border-radius: 14px;
  font-size: 21px; font-weight: 700; line-height: 1.6; color: var(--ink);
}
.quote-line cite { display: block; margin-top: 8px; font-style: normal; font-size: 16px; font-weight: 500; color: var(--muted); }
.promises { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.promises li { padding: 22px 24px; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; }
.section--plaster .promises li { background: var(--bg); }
.promises p { margin: 0; color: var(--text); }

/* 출장 지역 */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tile {
  display: flex; flex-direction: column; gap: 10px;
  padding: 24px; min-height: 168px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 14px;
  text-decoration: none; color: var(--text);
}
.tile__city { display: block; font-size: 26px; font-weight: 800; color: var(--ink); line-height: 1.3; }
.tile__kw { display: block; margin-top: 2px; font-size: 16px; font-weight: 600; color: var(--ink); }
.tile__areas { margin-top: auto; font-size: 16px; line-height: 1.6; color: var(--muted); }
.tile:hover { border-color: var(--ink); }
.tile--etc { background: var(--ink); border-color: var(--ink); }
.tile--etc .tile__city, .tile--etc .tile__kw { color: #fff; }
.tile--etc .tile__areas { color: #d5d8de; }
.tile--current { border: 2px solid var(--yellow); background: var(--yellow-soft); }

/* 벽 재질 표 */
.walls { width: 100%; border-collapse: collapse; background: var(--bg); border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.walls th, .walls td { text-align: left; vertical-align: top; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.walls tr:last-child th, .walls tr:last-child td { border-bottom: 0; }
.walls thead th { background: var(--soft); padding-top: 16px; padding-bottom: 16px; font-size: 16px; font-weight: 700; color: var(--ink); }
.walls tbody th { width: 22%; font-size: 19px; font-weight: 800; color: var(--ink); }
.walls td.where { width: 24%; color: var(--muted); }

/* 설치 과정 */
.process { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 12px; }
.steps li {
  counter-increment: step;
  display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 2px 16px;
  padding: 20px 22px; background: var(--bg); border: 1px solid var(--line); border-radius: 14px;
}
.steps li::before {
  content: counter(step);
  grid-row: span 2; display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow); color: var(--ink); font-size: 18px; font-weight: 800;
}
.steps p { margin: 0; color: var(--text); }
.process__photos { display: grid; gap: 16px; position: sticky; top: 92px; }
.process__photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; }

/* 사진 */
.figure { margin: 0; }
.figure img { width: 100%; object-fit: cover; border-radius: 14px; background: var(--line); }
.figure figcaption { margin-top: 12px; font-size: 17px; line-height: 1.65; color: var(--text); }
.figure figcaption strong { display: block; color: var(--ink); font-weight: 700; }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 22px; }
.gallery .figure img { aspect-ratio: 4 / 3; }

/* 지역 페이지 */
.local { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: start; }
.districts { margin: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.districts div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.districts div:last-child { border-bottom: 0; }
.districts dt { font-weight: 800; color: var(--ink); }
.districts dd { margin: 0; color: var(--text); }
.note { margin: 18px 0 0; font-size: 17px; color: var(--text); }
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; margin-top: 44px; }
.cases .figure img { aspect-ratio: 4 / 3; }
.cases--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tag-verified {
  display: inline-block; margin-bottom: 6px; padding: 2px 10px; border-radius: 6px;
  background: var(--yellow); color: var(--ink); font-size: 14px; font-weight: 800;
}

/* FAQ */
.faq { max-width: 860px; display: grid; gap: 12px; }
.faq details { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; }
.faq details[open] { border-color: var(--ink); }
.faq summary {
  position: relative; list-style: none; cursor: pointer;
  padding: 20px 60px 20px 24px; font-size: 19px; font-weight: 700; line-height: 1.55; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 28px; font-weight: 400; line-height: 1; color: var(--ink);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 24px 22px; color: var(--text); }

/* 상담 */
.quote { background: var(--yellow-soft); padding: 96px 0; }
.quote__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.quote__phone {
  display: inline-block; margin: 14px 0 26px;
  font-size: clamp(36px, 5vw, 52px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1;
  color: var(--ink); text-decoration: none;
}
.quote__phone:hover { text-decoration: underline; text-underline-offset: 8px; }
.ask { list-style: none; margin: 0; padding: 0; background: var(--bg); border-radius: 16px; border: 1px solid #f0e2b4; }
.ask li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 14px; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.ask li:last-child { border-bottom: 0; }
.ask svg { width: 24px; height: 24px; margin-top: 3px; }
.ask b { display: block; font-size: 18px; color: var(--ink); }
.ask span { color: var(--text); font-size: 17px; }
.ask__title { margin: 0 0 14px; font-size: 20px; font-weight: 800; color: var(--ink); }

/* 푸터 */
.footer { background: var(--ink); color: #d5d8de; padding: 64px 0 48px; font-size: 16px; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 48px; }
.footer p { margin: 14px 0 0; }
.footer a { color: #fff; }
.footer__tel { font-size: 24px; font-weight: 800; text-decoration: none; }
.footer__links { columns: 2; column-gap: 32px; margin: 0; padding: 0; list-style: none; }
.footer__links li { margin-bottom: 8px; }
.footer__links a { text-decoration: none; }
.footer__links a:hover { text-decoration: underline; }
.footer__title { margin: 0 0 14px; color: #fff; font-size: 17px; font-weight: 800; }
.footer__biz { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: 14px; }
.footer :focus-visible { outline-color: var(--yellow); }

.callbar { display: none; }

/* ---------- 반응형 ---------- */
@media (max-width: 960px) {
  .nav { display: none; }
  .header__in { justify-content: space-between; }
  .hero { min-height: 640px; padding: 56px 0 120px; }
  .hero__media::after { background: linear-gradient(0deg, rgba(10, 12, 16, .92) 0%, rgba(10, 12, 16, .7) 55%, rgba(10, 12, 16, .35) 100%); }
  .about, .process, .local, .quote__grid, .footer__grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts div + div { border-left: 0; }
  .facts div:nth-child(even) { border-left: 1px solid var(--line); }
  .facts div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .process__photos { position: static; grid-template-columns: 1fr 1fr; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery, .cases--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 72px 0; }
}
@media (max-width: 640px) {
  :root { --gutter: 18px; }
  body { font-size: 17px; padding-bottom: 80px; }
  .header__in { height: 60px; }
  .logo img { height: 38px; }
  .header__call { padding: 8px 12px; font-size: 15px; }
  .hero { min-height: 0; padding: 40px 0 104px; align-items: flex-end; }
  .hero__title { font-size: 42px; }
  .hero__lead { font-size: 18px; margin-bottom: 28px; }
  .hero .btn--call, .hero .btn--ghost { min-height: 58px; font-size: 18px; }
  .facts-wrap { margin-top: -64px; }
  .btn { width: 100%; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts div:nth-child(even) { border-left: 0; }
  .facts div + div { border-top: 1px solid var(--line); }
  .facts div { padding: 16px 20px; }
  .intro { font-size: 18px; }
  .tile { min-height: 0; padding: 18px; }
  .tile__city { font-size: 22px; }
  .tile__kw, .tile__areas { font-size: 15px; }
  .gallery, .cases, .cases--3, .process__photos { grid-template-columns: minmax(0, 1fr); }
  .walls thead { display: none; }
  .walls, .walls tbody, .walls tr, .walls th, .walls td { display: block; width: auto; }
  .walls tr { padding: 18px 20px; border-bottom: 1px solid var(--line); }
  .walls tr:last-child { border-bottom: 0; }
  .walls th, .walls td, .walls td.where { width: auto; padding: 0; border: 0; }
  .walls td.where { margin: 2px 0 8px; font-size: 16px; }
  .districts div { grid-template-columns: 90px minmax(0, 1fr); padding: 14px 18px; }
  .faq summary { font-size: 18px; padding: 18px 52px 18px 20px; }
  .faq details p { padding: 0 20px 20px; }
  .footer__links { columns: 1; }
  .callbar {
    display: flex; gap: 8px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: var(--bg); border-top: 1px solid var(--line);
    box-shadow: 0 -6px 20px rgba(22, 25, 31, .08);
  }
  .callbar a {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 54px; border-radius: 12px;
    background: var(--yellow); color: var(--ink);
    font-weight: 800; font-size: 18px; text-decoration: none;
  }
  .callbar a.alt { background: var(--ink); color: #fff; }
  .callbar svg { width: 18px; height: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__media img, .hero__copy { animation: none; }
}