@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');

:root {
  --navy: #102b46;
  --navy2: #183e5d;
  --blue: #2478a8;
  --cyan: #9be0e8;
  --ink: #172a3b;
  --muted: #657584;
  --paper: #f5f8fa;
  --line: #dce5eb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: 'Noto Sans KR', system-ui, sans-serif;
  color: var(--ink);
  line-height: 1.65;
}

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: auto;
}

/* 접근성 */
.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  position: absolute;
  left: 10px;
  top: 10px;
  background: #fff;
  z-index: 99;
}

/* 헤더 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fffffff2;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--navy);
  color: var(--cyan);
  font-size: 22px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand small {
  font-size: 10px;
  color: var(--muted);
}

.desktop-nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
  font-weight: 700;
  color: #455767;
}

/* 버튼 */
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 11px;
  background: var(--cyan);
  color: var(--navy);
  font-size: 14px;
  font-weight: 900;
  transition: 0.2s;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  padding: 10px 15px;
  font-size: 12px;
}

/* 메인 히어로 */
.hero {
  background: linear-gradient(120deg, #0c243b, #123654 62%, #1c4d6a);
  color: #fff;
  padding: 82px 0 90px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.15em;
  font-weight: 900;
  color: var(--blue);
  margin: 0 0 15px;
}

.hero .eyebrow,
.light .eyebrow,
.contact-section .eyebrow {
  color: var(--cyan);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.2;
  letter-spacing: -0.06em;
  margin-bottom: 22px;
  font-weight: 900;
}

h1 span {
  color: var(--cyan);
}

.hero-lead {
  font-size: 15px;
  line-height: 1.9;
  color: #d6e5ed;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.text-link {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.hero-note {
  font-size: 11px;
  color: #a9c1cf;
  margin-top: 22px;
}

/* 메인 오른쪽 비주얼 */
.hero-visual {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
}

.visual-card {
  width: min(100%, 350px);
  padding: 34px;
  border: 1px solid #b9e6ee55;
  border-radius: 25px;
  background: linear-gradient(145deg, #ffffff26, #ffffff08);
  box-shadow: 0 25px 70px #0003;
}

/* 기존 아이콘 - 현재는 사용하지 않아도 됨 */
.visual-icon {
  width: 58px;
  height: 58px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: var(--cyan);
  color: var(--navy);
  font-size: 40px;
  font-weight: 900;
}

/* 작업 사진 */
.visual-photo {
  width: 86px;
  height: 86px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 18px;
}

.visual-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 기존 영문 문구 - DRAIN · PIPE · CLEANING 삭제 시 사용 안 함 */
.visual-kicker {
  font-size: 9px;
  letter-spacing: 0.16em;
  color: #a9dce4;
  margin: 24px 0 8px;
}

.visual-card h2 {
  font-size: 28px;
  line-height: 1.4;
}

.visual-line {
  height: 1px;
  background: #ffffff33;
}

.visual-tags {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.visual-tags span {
  padding: 5px 10px;
  border-radius: 20px;
  background: #ffffff1a;
  font-size: 10px;
}

.visual-stamp {
  position: absolute;
  right: 0;
  bottom: 18px;
  padding: 15px 19px;
  border-radius: 13px;
  background: var(--cyan);
  color: var(--navy);
  transform: rotate(4deg);
}

.visual-stamp strong,
.visual-stamp span {
  display: block;
}

.visual-stamp strong {
  font-size: 14px;
}

.visual-stamp span {
  font-size: 10px;
}

/* 작업 흐름 */
.trust-strip {
  background: #edf4f7;
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 24px 0;
  gap: 18px;
}

.trust-grid > div {
  display: flex;
  align-items: center;
  gap: 15px;
  border-right: 1px solid #d5e1e7;
}

.trust-grid > div:last-child {
  border: 0;
}

.trust-grid b {
  font-size: 26px;
  color: #9ab7c6;
}

.trust-grid strong,
.trust-grid small {
  display: block;
}

.trust-grid strong {
  font-size: 13px;
}

.trust-grid small {
  font-size: 11px;
  color: var(--muted);
}

/* 공통 섹션 */
.section {
  padding: 95px 0;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 36px;
}

.section-heading h2,
.contact-inner h2 {
  font-size: clamp(29px, 4vw, 42px);
  line-height: 1.3;
  letter-spacing: -0.055em;
  margin-bottom: 12px;
}

.section-heading > p:last-child {
  color: var(--muted);
  font-size: 14px;
}

/* 서비스 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.service-card {
  padding: 25px 22px;
  border: 1px solid var(--line);
  border-radius: 19px;
  transition: 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px #0f2b461f;
}

.service-card i {
  display: grid;
  place-items: center;
  width: 49px;
  height: 49px;
  border-radius: 15px;
  background: #e8f7f8;
  color: #17617d;
  font-size: 29px;
  font-style: normal;
  margin-bottom: 23px;
}

.service-card h3 {
  font-size: 17px;
  margin-bottom: 9px;
}

.service-card p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 0;
}

/* 시공 사례 */
.section-dark {
  background: #0d2338;
  color: #fff;
}

.light > p:last-child {
  color: #b3c4d0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.case-card {
  overflow: hidden;
  border: 1px solid #ffffff20;
  border-radius: 17px;
  background: #132f48;
}

.photo-placeholder {
  height: 205px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, #204760, #102b46);
  color: #b4d5df;
}

.photo-placeholder b {
  font-size: 30px;
  letter-spacing: 0.12em;
  opacity: 0.6;
}

.photo-placeholder span {
  font-size: 11px;
}

.case-content {
  padding: 22px;
}

.case-meta {
  font-size: 10px;
  color: var(--cyan);
  font-weight: 800;
  margin-bottom: 9px;
}

.case-content h3 {
  font-size: 16px;
  line-height: 1.5;
}

.case-content > p:last-child {
  font-size: 12px;
  line-height: 1.9;
  color: #b7c8d4;
  margin-bottom: 0;
}

.section-footnote {
  font-size: 11px;
  color: #9eb3c1;
  margin-top: 18px;
}

/* 서비스 지역 */
.area-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.area-group {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 17px;
}

.area-group h3 {
  font-size: 17px;
  margin-bottom: 15px;
}

.area-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.area-links a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  font-size: 12px;
  font-weight: 700;
}

.area-links a:hover {
  background: var(--navy);
  color: #fff;
}

.small-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 13px;
}

/* 상담 영역 */
.contact-section {
  background: linear-gradient(115deg, #1a5876, #102b46);
  color: #fff;
  padding: 55px 0;
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.contact-inner h2 {
  font-size: 31px;
  margin-bottom: 8px;
}

.contact-inner p:not(.eyebrow) {
  color: #c4d7e1;
  font-size: 13px;
}

.contact-action {
  text-align: center;
}

.contact-action p {
  font-size: 10px;
  margin: 10px 0 0;
}

/* 푸터 */
.site-footer {
  padding: 28px 0;
  background: #091b2b;
  color: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.footer-copy {
  text-align: right;
  color: #91a8b8;
  font-size: 10px;
}

.footer-copy p {
  margin: 2px 0;
}

/* 지역 페이지 */
.area-hero {
  padding: 65px 0;
  background: linear-gradient(120deg, #0c243b, #1c4d6a);
  color: #fff;
}

.area-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
}

.area-hero p:not(.eyebrow) {
  max-width: 720px;
  color: #d6e5ed;
}

.breadcrumb {
  font-size: 12px;
  color: #a9c5d2;
  margin-bottom: 18px;
}

.breadcrumb a {
  text-decoration: underline;
}

.area-content {
  padding: 65px 0;
}

.area-content h2 {
  font-size: 26px;
  letter-spacing: -0.04em;
  margin-top: 30px;
}

.area-content p,
.area-content li {
  font-size: 14px;
  color: #516474;
  line-height: 1.9;
}

.area-callout,
.area-case-empty {
  padding: 22px;
  border-radius: 14px;
  background: #edf7f8;
  border: 1px solid #d5edf0;
}

.area-callout p {
  margin-bottom: 0;
}

.phone-status-warning {
  color: #ffe0a6 !important;
}

/* 태블릿 */
@media (max-width: 850px) {
  .hero-grid {
    gap: 25px;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-grid {
    gap: 12px;
  }
}

/* 모바일 */
@media (max-width: 620px) {
  .container {
    width: calc(100% - 32px);
  }

  .header-inner {
    height: 68px;
  }

  .brand-mark {
    width: 37px;
    height: 37px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    font-size: 9px;
  }

  .desktop-nav {
    display: none;
  }

  .button-small {
    padding: 9px 11px;
    font-size: 11px;
  }

  .hero {
    padding: 58px 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-visual {
    min-height: 310px;
  }

  .visual-card {
    width: 280px;
    padding: 27px;
  }

  .visual-card h2 {
    font-size: 25px;
  }

  .section {
    padding: 68px 0;
  }

  .service-grid {
    gap: 10px;
  }

  .service-card {
    padding: 18px 14px;
  }

  .service-card h3 {
    font-size: 15px;
  }

  .service-card p {
    font-size: 11px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .trust-grid > div {
    border: 0;
  }

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

  .photo-placeholder {
    height: 185px;
  }

  .area-panel {
    grid-template-columns: 1fr;
  }

  .contact-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-inner h2 {
    font-size: 27px;
  }

  .contact-action {
    width: 100%;
    text-align: left;
  }

  .contact-action .button {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-copy {
    text-align: left;
  }
}
```