/* ===================================================================
   이지솔루션 EG Solution — 공용 스타일시트
   모든 페이지에서 공유. 페이지별 스타일은 만들지 않는다.
=================================================================== */

:root {
  /* 그레이스케일 팔레트 */
  --gray-900: #1c2024;
  --gray-800: #2a2f36;
  --gray-700: #3d434c;
  --gray-600: #565d66;
  --gray-500: #767d87;
  --gray-400: #9aa1aa;
  --gray-300: #c3c8cf;
  --gray-200: #dde1e5;
  --gray-100: #eef0f2;
  --gray-50:  #f6f7f8;
  --white: #ffffff;

  /* 로고 포인트 컬러 — 절제된 사용 */
  --accent-blue: #1c4fa1;
  --accent-red: #c23a2e;

  --text-body: var(--gray-800);
  --text-muted: var(--gray-500);
  --border-color: var(--gray-200);
  --bg-page: var(--white);
  --bg-subtle: var(--gray-50);

  --font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic",
    "맑은 고딕", system-ui, Roboto, sans-serif;

  --header-height: 68px;
  --container-width: 1120px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --transition-fast: 0.15s ease;
}

html {
  scroll-behavior: auto;
}

body {
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--bg-page);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.35;
}

p {
  color: var(--text-body);
}

a {
  transition: color var(--transition-fast);
}

/* 스킵 링크 (접근성) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gray-900);
  color: var(--white);
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ===================== 헤더 / GNB ===================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo__img {
  height: 36px;
  width: auto;
}

.logo__fallback {
  display: none;
  align-items: center;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--gray-900);
}
.logo__fallback::after {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: var(--accent-red);
  margin-top: 2px;
}

/* 로고 이미지가 없을 때(onerror) 표시되는 텍스트 폴백 */
.logo__img[data-broken="true"] {
  display: none;
}
.logo__img[data-broken="true"] + .logo__fallback {
  display: inline-flex;
  flex-direction: column;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--gray-800);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.gnb__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.gnb__item {
  position: relative;
}

.gnb__item > a {
  display: flex;
  align-items: center;
  height: var(--header-height);
  padding: 0 16px;
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-700);
}
.gnb__item > a:hover,
.gnb__item > a[aria-current="page"],
.gnb__item.is-active > a {
  color: var(--accent-blue);
}

.gnb__sub-toggle {
  display: none;
}

.gnb__sub {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 190px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(28, 32, 36, 0.08);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.gnb__item.has-sub:hover .gnb__sub,
.gnb__item.has-sub:focus-within .gnb__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.gnb__sub li a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-700);
}
.gnb__sub li a:hover,
.gnb__sub li a[aria-current="page"] {
  background: var(--bg-subtle);
  color: var(--accent-blue);
}

/* ===================== 브레드크럼 / 페이지 헤더 ===================== */

.breadcrumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb__list a:hover {
  color: var(--accent-blue);
}

.breadcrumb__list li:not(:last-child)::after {
  content: "›";
  margin-left: 6px;
  color: var(--gray-400);
}

.page-header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--border-color);
}

.page-header__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.page-header__title {
  font-size: clamp(24px, 4vw, 32px);
}

.page-header__desc {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 15px;
  max-width: 640px;
}

/* ===================== 공통 섹션 레이아웃 ===================== */

.section {
  padding: 48px 0;
}

.section + .section {
  border-top: 1px solid var(--border-color);
}

.section__title {
  font-size: 20px;
  margin-bottom: 6px;
}

.section__desc {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-bottom: 24px;
  max-width: 680px;
}

/* ===================== 버튼 ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn--primary {
  background: var(--gray-900);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--accent-blue);
}

.btn--outline {
  background: transparent;
  border-color: var(--gray-300);
  color: var(--gray-800);
}
.btn--outline:hover {
  border-color: var(--gray-900);
}

.btn--accent {
  background: var(--accent-red);
  color: var(--white);
}
.btn--accent:hover {
  background: #a52e24;
}

/* ===================== 홈 히어로 ===================== */

.hero {
  padding: 56px 0 48px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
}

.hero__region {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-blue);
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(26px, 4.2vw, 38px);
  max-width: 720px;
}

.hero__desc {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text-muted);
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ===================== 카드 그리드 (요약 / 서비스) ===================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.summary-card,
.service-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.summary-card:hover,
.service-card:hover {
  border-color: var(--gray-400);
  box-shadow: 0 6px 18px rgba(28, 32, 36, 0.06);
}

.summary-card__title,
.service-card__title {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.summary-card__desc,
.service-card__desc {
  font-size: 14px;
  color: var(--text-muted);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.service-card__link {
  margin-top: auto;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-blue);
}
.service-card__link:hover {
  text-decoration: underline;
}

/* ===================== 이미지 placeholder ===================== */

.img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: repeating-linear-gradient(
    135deg,
    var(--gray-100),
    var(--gray-100) 10px,
    var(--gray-50) 10px,
    var(--gray-50) 20px
  );
  border: 1px dashed var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  color: var(--gray-400);
  font-size: 12.5px;
  line-height: 1.5;
}

.img-placeholder--wide {
  aspect-ratio: 16 / 9;
}

.img-placeholder--square {
  aspect-ratio: 1 / 1;
}

/* 실제 이미지를 img-placeholder 내부에 넣을 경우 */
.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ===================== 포트폴리오 카드 그리드 ===================== */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.portfolio-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.portfolio-card:hover {
  box-shadow: 0 6px 18px rgba(28, 32, 36, 0.07);
  border-color: var(--gray-400);
}

.portfolio-card__img {
  aspect-ratio: 4 / 3;
  background: repeating-linear-gradient(
    135deg,
    var(--gray-100),
    var(--gray-100) 10px,
    var(--gray-50) 10px,
    var(--gray-50) 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 12.5px;
  text-align: center;
  padding: 12px;
}

.portfolio-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-card__body {
  padding: 16px 18px 20px;
}

.portfolio-card__title {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.portfolio-card__desc {
  font-size: 13.5px;
  color: var(--text-muted);
}

.portfolio-card__tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 3px 9px;
  border-radius: 999px;
}

.portfolio-empty-note {
  grid-column: 1 / -1;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}

/* ===================== 거래업체 로고 그리드 ===================== */

.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}

.client-logo {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 12px;
  text-align: center;
  padding: 10px;
}

.client-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
}

/* ===================== 목록형 콘텐츠 (회사소개, 서비스 상세) ===================== */

.info-list {
  display: grid;
  gap: 10px;
}

.info-list li {
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  background: var(--bg-subtle);
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: start;
}

.map-frame {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 13px;
  text-align: center;
  padding: 16px;
}

.definition-list {
  display: grid;
  gap: 14px;
}

.definition-list > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  font-size: 14.5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.definition-list dt {
  font-weight: 700;
  color: var(--gray-600);
}

.placeholder-text {
  color: var(--gray-400);
  font-style: normal;
}

/* ===================== 문의 폼 ===================== */

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.contact-info-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  background: var(--bg-subtle);
}

.contact-info-card__label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gray-500);
  margin-bottom: 6px;
}

.contact-info-card__value {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.inquiry-form {
  display: grid;
  gap: 18px;
  max-width: 640px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.form-row label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.form-row input,
.form-row textarea {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 14.5px;
  background: var(--white);
  width: 100%;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===================== 푸터 ===================== */

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

.site-footer__inner {
  padding: 40px 0 28px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}

.site-footer__brand .logo__fallback {
  display: inline-flex;
  flex-direction: column;
}

.site-footer__desc {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
  max-width: 280px;
}

.site-footer__heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.site-footer__contact {
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  color: var(--gray-700);
}

.site-footer__contact li {
  display: flex;
  gap: 8px;
}

.site-footer__contact li span:first-child {
  color: var(--gray-500);
  min-width: 34px;
}

.site-footer__nav {
  display: grid;
  gap: 8px;
  font-size: 13.5px;
}

.site-footer__nav a:hover {
  color: var(--accent-blue);
}

.site-footer__bottom {
  border-top: 1px solid var(--border-color);
  padding: 16px 0;
  font-size: 12.5px;
  color: var(--gray-500);
}

/* ===================== 유틸리티 ===================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ===================== 반응형 ===================== */

@media (max-width: 1024px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .gnb {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-fast);
    z-index: 99;
  }

  .gnb.is-open {
    transform: translateX(0);
  }

  .gnb__list {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
  }

  .gnb__item > a {
    height: auto;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .gnb__item.has-sub {
    display: flex;
    flex-direction: column;
  }

  .gnb__item.has-sub > a {
    flex: 1;
  }

  .gnb__sub-toggle {
    display: block;
    position: absolute;
    right: 4px;
    top: 4px;
    width: 44px;
    height: 44px;
    font-size: 18px;
    color: var(--gray-500);
  }

  .gnb__sub {
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    background: var(--bg-subtle);
    padding: 4px 0;
  }

  .gnb__item.sub-open .gnb__sub {
    display: block;
  }

  .gnb__sub li a {
    padding: 12px 32px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 560px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}