/* 엠앤와이픽스 외벽대리석 — 공통 디자인 시스템
   컬러 토큰(다크 스톤 + 브라스 골드 베인)은 "외벽대리석" 컨셉에 맞춰 재구성.
   레이아웃/컴포넌트 구조는 레퍼런스(msr.standardhomerepair.com) 실제 인라인 CSS 분석 기반,
   폰트는 레퍼런스와 동일한 Pretendard Variable. 모서리는 전부 각짐(모서리 둥글림 금지 — 대리석 판재 느낌). */

:root {
  --color-dark: #1c1a17;
  --color-brass: #c5a059;
  --color-brass-rgb: 197, 160, 89;
  --color-ink: #1c1a17;
  --color-sub: #6b6155;
  --color-border: #e3ddd0;
  --color-surface: #ffffff;
  --color-bg: #f7f5f1;
  --color-star: #c5a059;

  --shadow-card: 0 10px 30px -18px rgba(28, 26, 23, 0.35);
  --shadow-hover: 0 18px 40px -16px rgba(28, 26, 23, 0.45);

  --font-body: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;

  /* 대리석 베인(잔줄) 텍스처 — 이미지 없이 CSS 그라디언트로만 표현 */
  --vein-light:
    repeating-linear-gradient(118deg, transparent 0 38px, rgba(28, 26, 23, .035) 38px 39px, transparent 39px 84px),
    repeating-linear-gradient(24deg, transparent 0 55px, rgba(197, 160, 89, .05) 55px 56px, transparent 56px 120px);
  --vein-dark:
    repeating-linear-gradient(122deg, transparent 0 50px, rgba(197, 160, 89, .07) 50px 51px, transparent 51px 110px),
    repeating-linear-gradient(20deg, transparent 0 70px, rgba(255, 255, 255, .035) 70px 71px, transparent 71px 150px);
}

* { box-sizing: border-box; border-radius: 0 !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-bg);
  background-image: var(--vein-light);
  font-size: 17px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { line-height: 1.4; margin: 0 0 0.6em; word-break: keep-all; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section--alt { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; color: var(--color-brass); font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; font-size: 0.82rem;
}
.section-eyebrow::before { content: ""; display: block; width: 24px; height: 2px; background: var(--color-brass); }
.section-desc { color: var(--color-sub); }
.section address a { color: var(--color-dark); font-weight: 800; text-decoration: underline; text-decoration-color: var(--color-brass); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* 연락처 카드(상담페이지) */
.contact-info { max-width: 640px; margin: 0 auto; background: var(--color-surface); box-shadow: var(--shadow-card); border-top: 3px solid var(--color-brass); padding: 30px 34px; font-style: normal; }
.contact-info__row { display: flex; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--color-border); align-items: baseline; }
.contact-info__row:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info__row:first-child { padding-top: 0; }
.contact-info__label { flex: 0 0 84px; font-weight: 800; color: var(--color-brass); font-size: 0.88rem; letter-spacing: 0.3px; }
.contact-info__value { flex: 1; color: var(--color-ink); }
@media (max-width: 560px) {
  .contact-info { padding: 24px 22px; }
  .contact-info__row { flex-direction: column; gap: 4px; }
  .contact-info__label { flex: none; }
}

/* 헤더 */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background-color: var(--color-dark);
  background-image: var(--vein-dark);
  border-bottom: 1px solid rgba(var(--color-brass-rgb), 0.28);
}
.site-header__inner {
  max-width: var(--container); margin: 0 auto; padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: #fff; }
.brand img { width: 34px; height: 34px; }
.main-nav ul { display: flex; gap: 8px; align-items: center; }
.main-nav a {
  padding: 10px 18px; font-weight: 600; color: rgba(255, 255, 255, 0.82);
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover { color: var(--color-brass); background: rgba(255, 255, 255, 0.06); }
.main-nav a.btn-cta { background: var(--color-brass); color: var(--color-dark); }
.main-nav a.btn-cta:hover { background: #d8bd82; color: var(--color-dark); }
.nav-toggle { display: none; }

/* 히어로 — 단색이 아닌 해당 페이지 히어로 사진을 블러 배경으로 사용(사진 원본 자체엔 오버레이 없음) */
.hero { position: relative; overflow: hidden; padding: 64px 0 80px; color: #fff; background: var(--color-dark); }
.hero__bg {
  position: absolute; inset: -40px; background-size: cover; background-position: center;
  filter: blur(32px) saturate(1.05); transform: scale(1.15); z-index: -2;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-color: rgba(20, 18, 16, 0.72); background-image: var(--vein-dark);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero__badge {
  display: inline-block; padding: 7px 16px;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(var(--color-brass-rgb), 0.55); color: var(--color-brass);
  font-weight: 700; font-size: 0.82rem; letter-spacing: 0.5px; margin-bottom: 20px;
}
.hero__lead { font-size: 1.08rem; color: rgba(255, 255, 255, 0.75); margin-bottom: 28px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__media img { box-shadow: 0 20px 46px -18px rgba(0, 0, 0, 0.65); aspect-ratio: 16/9; object-fit: cover; width: 100%; border: 1px solid rgba(var(--color-brass-rgb), 0.35); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px;
  font-weight: 700; transition: transform 0.15s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn-primary { background: var(--color-brass); color: var(--color-dark); box-shadow: var(--shadow-card); }
.btn-primary:hover { background: #d8bd82; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { border: 2px solid rgba(255, 255, 255, 0.55); color: #fff; }
.btn-outline:hover { border-color: var(--color-brass); color: var(--color-brass); }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* 상담 전화/문자 강조 패널(상담페이지 히어로 전용) */
.contact-panel {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(var(--color-brass-rgb), 0.45);
  padding: 24px 28px; margin-bottom: 30px;
}
.contact-panel__label { display: block; font-size: 0.85rem; color: rgba(255, 255, 255, 0.68); font-weight: 700; margin-bottom: 6px; letter-spacing: 0.5px; }
.contact-panel__number { font-size: clamp(1.8rem, 4.2vw, 2.5rem); font-weight: 800; color: var(--color-brass); letter-spacing: 0.5px; }
.contact-panel__number:hover { color: #d8bd82; }
.contact-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-call {
  background: var(--color-brass); color: var(--color-dark); font-size: 1.08rem; padding: 17px 32px;
  box-shadow: 0 0 0 0 rgba(var(--color-brass-rgb), 0.55); animation: pulse-call 2.4s infinite;
}
.btn-call:hover { background: #d8bd82; }
.btn-text-msg { border: 2px solid rgba(255, 255, 255, 0.6); color: #fff; font-size: 1.08rem; padding: 17px 32px; }
.btn-text-msg:hover { border-color: var(--color-brass); color: var(--color-brass); }
@keyframes pulse-call {
  0% { box-shadow: 0 0 0 0 rgba(var(--color-brass-rgb), 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(var(--color-brass-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--color-brass-rgb), 0); }
}
@media (max-width: 640px) {
  .contact-panel { flex-direction: column; align-items: flex-start; padding: 20px; }
  .contact-actions { width: 100%; }
  .contact-actions .btn { flex: 1; justify-content: center; }
}
/* 밝은 배경(.hero가 아닌 일반 섹션) 위에서는 다크 톤 outline */
.section .btn-outline { border-color: var(--color-dark); color: var(--color-dark); }
.section .btn-outline:hover { background: var(--color-dark); color: #fff; border-color: var(--color-dark); }

/* 이미지 그리드(메인 NSEO) */
.img-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.img-grid figure { margin: 0; overflow: hidden; box-shadow: var(--shadow-card); background: var(--color-dark); }
.img-grid img { aspect-ratio: 16/9; object-fit: cover; width: 100%; transition: transform 0.4s; }
.img-grid figure:hover img { transform: scale(1.06); }

/* 대형 이미지 마퀴(끊임없이 흐르는 시공 사진 슬라이드) */
.marquee { width: 100vw; margin-left: calc(50% - 50vw); overflow: hidden; }
.marquee__track { display: flex; gap: 22px; width: max-content; animation: marquee-scroll 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track figure { margin: 0; flex-shrink: 0; box-shadow: var(--shadow-card); }
.marquee__track img { width: min(64vw, 620px); aspect-ratio: 16/9; object-fit: cover; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (max-width: 640px) {
  .marquee__track img { width: 82vw; }
}

/* 패럴렉스 배경 섹션 — background-attachment:fixed는 absolute 자식 요소에선 사실상 무효화되어(스크롤과 동일하게 보임)
   JS(main.js)로 스크롤 위치에 따라 배경을 직접 translateY 시켜 실제로 체감되는 패럴렉스를 구현 */
.parallax { position: relative; overflow: hidden; min-height: 460px; display: flex; align-items: center; }
.parallax__bg {
  position: absolute; left: 0; right: 0; top: -18%; height: 136%;
  background-size: cover; background-position: center; will-change: transform; z-index: -2;
}
.parallax__overlay { position: absolute; inset: 0; z-index: -1; background-color: rgba(20, 18, 16, 0.62); background-image: var(--vein-dark); }
.parallax__content { text-align: center; color: #fff; padding: 80px 20px; }
.parallax__content .section-eyebrow { justify-content: center; color: var(--color-brass); }
.parallax__content h2 { color: #fff; }
.parallax__content p { color: rgba(255, 255, 255, 0.8); max-width: 620px; margin: 0 auto 26px; }

/* 카드 그리드 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--color-surface); overflow: hidden;
  box-shadow: var(--shadow-card); border-top: 3px solid transparent;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-top-color: var(--color-brass); }
.card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; background: var(--color-dark); }
.card__body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.card__num { color: var(--color-brass); font-weight: 800; font-size: 0.9rem; margin-bottom: 6px; }
.card__body p { color: var(--color-sub); flex: 1; }
.card__link { font-weight: 700; color: var(--color-dark); margin-top: 10px; }

.card--cta { background-color: var(--color-dark); background-image: var(--vein-dark); border-top-color: var(--color-brass); align-items: center; justify-content: center; text-align: center; }
.card--cta .card__body { align-items: center; justify-content: center; padding: 30px 26px; }
.card--cta .card__num { color: var(--color-brass); }
.card--cta h3 { color: #fff; }
.card--cta p { color: rgba(255, 255, 255, 0.72); margin-bottom: 18px; }
.card--cta .btn { align-self: center; }

/* 타임라인 */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.timeline__step { position: relative; padding: 26px 20px 20px; background: var(--color-surface); box-shadow: var(--shadow-card); border-top: 3px solid var(--color-brass); }
.timeline__num {
  width: 40px; height: 40px; background: var(--color-brass); color: var(--color-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 14px;
}
.timeline__step:not(:last-child)::after {
  content: ""; position: absolute; top: 46px; right: -20px; width: 20px; height: 2px;
  background: var(--color-border);
}

/* 비교표 */
.compare-table { width: 100%; border-collapse: collapse; background: var(--color-surface); overflow: hidden; box-shadow: var(--shadow-card); }
.compare-table th, .compare-table td { padding: 16px 18px; border-bottom: 1px solid var(--color-border); text-align: left; }
.compare-table thead th { background: var(--color-dark); color: #fff; font-weight: 800; }
.compare-table tr:last-child td { border-bottom: none; }

/* 아코디언(FAQ) */
.accordion { display: flex; flex-direction: column; gap: 12px; }
.accordion__item { background: var(--color-surface); box-shadow: var(--shadow-card); overflow: hidden; border-left: 3px solid transparent; transition: border-color 0.2s; }
.accordion__item.is-open { border-left-color: var(--color-brass); }
.accordion__q {
  width: 100%; text-align: left; padding: 20px 24px; font-weight: 700; font-size: 1.02rem;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer;
  background: none; border: none; color: var(--color-ink);
}
.accordion__q::after { content: "+"; font-size: 1.4rem; color: var(--color-brass); transition: transform 0.25s; flex-shrink: 0; font-weight: 300; }
.accordion__item.is-open .accordion__q { color: var(--color-dark); }
.accordion__item.is-open .accordion__q::after { transform: rotate(45deg); }
.accordion__a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 24px; color: var(--color-sub); }
.accordion__item.is-open .accordion__a { max-height: 400px; padding: 0 24px 22px; }

/* 후기/신뢰 */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card { background: var(--color-surface); padding: 24px; box-shadow: var(--shadow-card); }
.review-card__stars { color: var(--color-star); font-size: 1rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-card__src { margin-top: 14px; font-size: 0.9rem; color: var(--color-sub); font-weight: 600; }

/* CTA 배너 — 사진 배경 + 블러(히어로와 동일한 처리) */
.cta-banner {
  position: relative; overflow: hidden; background: var(--color-dark); color: #fff;
  padding: 56px 40px; text-align: center; margin: 0 auto; border-top: 3px solid var(--color-brass);
}
.cta-banner__bg {
  position: absolute; inset: -40px; background-size: cover; background-position: center;
  filter: blur(28px) saturate(1.05); transform: scale(1.15); z-index: -2;
}
.cta-banner::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-color: rgba(20, 18, 16, 0.76); background-image: var(--vein-dark);
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.7); }
.cta-banner .btn-outline { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.cta-banner .btn-outline:hover { border-color: var(--color-brass); color: var(--color-brass); background: none; }

/* 내부링크 카드(메인페이지 주요 내비게이션용) */
.link-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.link-card {
  display: block; padding: 20px 22px; background: var(--color-surface);
  box-shadow: var(--shadow-card); font-weight: 700; border-left: 3px solid transparent; transition: transform 0.2s, border-color 0.2s;
}
.link-card:hover { transform: translateY(-4px); color: var(--color-dark); border-left-color: var(--color-brass); }
.link-card span { display: block; font-weight: 400; color: var(--color-sub); margin-top: 6px; font-size: 0.92rem; }

/* 관련 페이지(세부 페이지 하단, 한 줄 컴팩트형) */
.related-links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.related-links a {
  padding: 9px 16px; border: 1px solid var(--color-border); background: var(--color-surface);
  font-weight: 600; font-size: 0.92rem; white-space: nowrap; color: var(--color-ink);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.related-links a::after { content: "→"; margin-left: 7px; font-size: 0.82em; opacity: 0.55; }
.related-links a:hover { border-color: var(--color-brass); color: var(--color-dark); background: #faf7f1; }

/* 푸터 */
.site-footer { background-color: var(--color-dark); background-image: var(--vein-dark); color: rgba(255, 255, 255, 0.6); padding: 48px 0 30px; border-top: 1px solid rgba(var(--color-brass-rgb), 0.28); }
.site-footer__grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 26px; }
.site-footer h4 { color: #fff; margin-bottom: 12px; }
.site-footer address { font-style: normal; line-height: 1.9; font-size: 0.92rem; }
.site-footer__links { display: flex; gap: 20px; }
.site-footer__links a:hover { color: var(--color-brass); }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 20px; font-size: 0.82rem; color: rgba(255, 255, 255, 0.4); }

/* 스크롤 페이드인 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* 반응형 */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .card-grid, .review-grid, .link-cards { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .img-grid { grid-template-columns: repeat(3, 1fr); }
  .timeline__step::after { display: none; }
}
@media (max-width: 640px) {
  .site-header__inner { padding: 14px 16px; }
  .main-nav ul { gap: 4px; }
  .main-nav a { padding: 9px 12px; font-size: 0.92rem; }
  .card-grid, .review-grid, .link-cards { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .img-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 52px 0; }
  .cta-banner { padding: 40px 22px; }
  .related-links a { font-size: 0.88rem; padding: 8px 13px; }
}