/* =============================================
   클린서비스 — 메인 스타일시트
   ============================================= */

/* 1. CSS Variables
   ============================================= */
:root {
  --green:       #14423A;
  --green-light: #1a5a4f;
  --orange:      #FF6B35;
  --white:       #FFFFFF;
  --text:        #1A1A1A;
  --text-light:  #F1F5F9;
  --text-warm:   #F59E0B;
  --gray:        #64748B;
  --gray-light:  #F8FAFC;
  --border:      #E2E8F0;
  --shadow:      0 4px 24px rgba(20, 66, 58, 0.10);
  --shadow-lg:   0 8px 40px rgba(20, 66, 58, 0.16);
  --bar-h:       36px;

  --container:   min(1360px, 92vw);
  --pad-x:       24px;
  --header-h:    72px;
  --pad-section: 48px;
  --radius:      12px;
  --radius-sm:   8px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* 2. Reset & Base
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* 고정 단계 제목 스케일 (모바일 기본값) */
h1 { font-size: 29px; line-height: 1.3; font-weight: 900; }
h2 { font-size: 22px; line-height: 1.4; font-weight: 900; }
h3 { font-size: 18px; line-height: 1.4; font-weight: 700; }
h4 { font-size: 16px; line-height: 1.5; font-weight: 700; }

@media (min-width: 1025px) {
  h1 { font-size: 54px; }
  h2 { font-size: 34px; }
  h3 { font-size: 24px; }
  h4 { font-size: 19px; }
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
ul, ol { list-style: none; }

/* 3. Notice Bar (자격증 공지)
   ============================================= */
.notice-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--bar-h);
  background: var(--green);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.notice-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 11.5px;
  font-weight: 700;
  color: rgba(241, 245, 249, 0.85);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.notice-bar__inner svg {
  color: var(--orange);
  flex-shrink: 0;
}

.notice-bar__sep {
  display: inline-block;
  width: 1px;
  height: 10px;
  background: rgba(255,255,255,0.2);
  margin: 0 4px;
}

/* 모바일 — 공지 바 2줄 처리 */
@media (max-width: 600px) {
  :root {
    --bar-h: 52px;
  }
  .notice-bar__inner {
    flex-wrap: wrap;
    align-content: center;
    white-space: normal;
    font-size: 10.5px;
    gap: 3px 6px;
    line-height: 1.45;
    padding: 6px 16px;
  }
  .notice-bar__sep {
    flex-basis: 100%;
    height: 0;
    width: 0;
    margin: 0;
    background: none;
  }
}

/* 4. Utilities
   ============================================= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section {
  padding: var(--pad-section) 0;
}

.section--dark {
  background: var(--green);
  color: var(--text-light);
}

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

.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.text-light  { color: var(--text-light); }

.label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.label--dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  margin-bottom: 2px;
}

.section-title {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray);
  margin-top: 16px;
  line-height: 1.7;
}

.section-subtitle--light {
  color: rgba(241, 245, 249, 0.75);
}

/* 4. Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}
.btn--primary:hover {
  background: #e55a25;
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.45);
  transform: translateY(-2px);
}

.btn--outline {
  border: 2px solid var(--white);
  color: var(--white);
}
.btn--outline:hover {
  background: var(--white);
  color: var(--green);
}

.btn--outline-dark {
  border: 2px solid var(--green);
  color: var(--green);
}
.btn--outline-dark:hover {
  background: var(--green);
  color: var(--white);
}

.btn--ghost {
  color: var(--green);
  font-weight: 700;
}
.btn--ghost:hover { color: var(--orange); }

.btn--ghost-light {
  color: var(--text-light);
  font-weight: 700;
}
.btn--ghost-light:hover { color: var(--orange); }

.btn--ghost svg,
.btn--ghost-light svg {
  transition: transform var(--transition);
}
.btn--ghost:hover svg,
.btn--ghost-light:hover svg {
  transform: translateX(4px);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 17px;
}

/* 5. Header
   ============================================= */
.header {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(20, 66, 58, 0.12);
}

.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__symbol {
  width: 52px;
  height: 44px;
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: 1px;
}

.logo__main {
  font-size: 18px;
  font-weight: 900;
  color: var(--green);
  letter-spacing: -0.01em;
}

.logo__sub {
  font-size: 10px;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 0.08em;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav__link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 6px;
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--green);
  background: rgba(20, 66, 58, 0.06);
}

.nav__link.active {
  color: var(--green);
  font-weight: 700;
}

.nav__link--cta {
  background: var(--green);
  color: var(--white) !important;
  font-weight: 600;
}
.nav__link--cta:hover {
  background: #0d2e27;
  color: var(--white) !important;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__phone {
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: 6px;
  transition: var(--transition);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: calc(var(--bar-h) + var(--header-h));
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 850;
  padding: 32px var(--pad-x);
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__link {
  display: block;
  padding: 16px 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-nav__link:hover { color: var(--orange); }

.mobile-nav__cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 6. Hero
   ============================================= */
/* 히어로 — 상하 분리 레이아웃 */
.hero {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  background: var(--green);
  padding-top: calc(var(--bar-h) + var(--header-h));
}

/* 사진 슬라이더 (상단, 공간 채움) */
.hero__slider {
  position: relative;
  flex: 1 1 0;
  min-height: 40vw;
  max-height: 57vh;
  overflow: hidden;
}

/* 모바일 — 히어로 사진 고정 높이 */
@media (max-width: 768px) {
  .hero__slider {
    flex: 0 0 auto;
    height: 70svh;
    min-height: unset;
    max-height: unset;
  }
}

.hero__slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.hero__slide {
  flex: 0 0 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 페이드 제거 — 사진과 텍스트 완전 분리 */
.hero__fade {
  display: none;
}

/* 텍스트 영역 (하단 고정 섹션) */
.hero__content {
  background: var(--green);
  flex-shrink: 0;
}

.hero__content-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 36px) var(--pad-x) clamp(28px, 5vw, 48px);
  text-align: center;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid rgba(255, 107, 53, 0.35);
  color: var(--orange);
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.hero__label-dot {
  width: 5px;
  height: 5px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__h1 {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-light);
  margin-bottom: 12px;
}

.hero__subtitle {
  font-size: 13px;
  color: rgba(241, 245, 249, 0.65);
  margin-bottom: 8px;
  line-height: 1.9;
}

.hero__subtitle--gap {
  margin-top: 16px;
  margin-bottom: 20px;
}

.hero__em {
  color: #FF6B35;
  font-weight: 900;
  font-style: normal;
}

.hero__cta {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-bottom: 0;
}

/* 슬라이더 점 */
.hero__dots {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  justify-content: center;
}

.hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.hero__dot.active {
  background: var(--orange);
  width: 22px;
  border-radius: 4px;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(241, 245, 249, 0.5);
  font-size: 11px;
  letter-spacing: 0.1em;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* 7. Case Studies
   ============================================= */
.cases {
  background: var(--white);
}

.cases .slider__nav,
.cases .slider__dots {
  display: none;
}

.cases__header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: 48px;
}

.case-block {
  text-align: center;
}

.case-block__header {
  padding: 20px 4px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* PC — grid 2행으로 헤더/슬라이더 완전 고정 정렬 */
@media (min-width: 1025px) {
  .case-block {
    display: grid;
    grid-template-rows: 210px auto;
  }
  .case-block__header {
    overflow: hidden;
    justify-content: center;
  }
}

.case-block__location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 16px;
  font-weight: 900;
  color: var(--green);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.case-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 12px;
}

.case-block__tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--orange);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.25);
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

.case-block__desc {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}

/* 기존 .case-block__location 중복 방지 */
.case-block__location svg { flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-block__location svg { flex-shrink: 0; }

.slider {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-light);
  aspect-ratio: 4/3;
}

.slider__track {
  display: flex;
  height: 100%;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.slide__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.slider:hover .slide__img { transform: scale(1.03); }

.slide__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #dce8e6 0%, #b8d4d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 500;
}

.slide__placeholder svg { opacity: 0.4; }

.slider__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 12px;
  pointer-events: none;
  z-index: 5;
}

.slider__btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: all;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  color: var(--green);
}

.slider__btn:hover {
  background: var(--white);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transform: scale(1.08);
}

.slider__dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.slider__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.slider__dot.active {
  background: var(--white);
  width: 18px;
  border-radius: 3px;
}

.cases__footer {
  text-align: center;
}

/* 8. Brand Story
   ============================================= */
.brand {
  background: var(--green);
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0;
}

.brand__deco {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 60px solid rgba(255, 107, 53, 0.08);
  pointer-events: none;
}

.brand__deco2 {
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 50px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.brand__inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}

.brand__content {
  flex: 1;
  text-align: center;
}

.brand__image {
  flex-shrink: 0;
  width: clamp(180px, 22vw, 280px);
}

.brand__image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  display: block;
}

.brand__quote {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.55;
  color: var(--text-light);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.brand__quote em {
  font-style: normal;
  color: var(--orange);
}

.brand__sub {
  font-size: 15px;
  color: rgba(241, 245, 249, 0.65);
  line-height: 1.9;
  margin-bottom: 40px;
}

.brand__stats {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 5vw, 64px);
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.brand__stat-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-light);
  line-height: 1;
  margin-bottom: 6px;
}

.brand__stat-num span { color: var(--orange); }

.brand__stat-label {
  font-size: 13px;
  color: rgba(241, 245, 249, 0.6);
  font-weight: 500;
}

/* 9. Services
   ============================================= */
.services__header {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
}

.service-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: rgba(20, 66, 58, 0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover .service-card__arrow { color: var(--orange); transform: translateX(4px); }

.service-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #dce8e6 0%, #b8d4d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.service-card__img-icon {
  width: 56px;
  height: 56px;
  background: rgba(20, 66, 58, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}

.service-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--orange);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: 0.04em;
}

.service-card__body {
  padding: clamp(16px, 2.5vw, 24px);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: 17px;
  font-weight: 900;
  color: var(--green);
  margin-bottom: 8px;
}

.service-card__desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  flex: 1;
}

.service-card__link {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--green);
}

.service-card__arrow {
  transition: var(--transition);
}

/* 10. FAQ
   ============================================= */
.faq__header {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.faq__list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.faq-item.open {
  border-color: rgba(20, 66, 58, 0.25);
}

.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(16px, 2vw, 20px) clamp(16px, 2vw, 24px);
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  background: var(--white);
  transition: background var(--transition);
}

.faq-item.open .faq-item__q {
  background: rgba(20, 66, 58, 0.04);
  color: var(--green);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gray);
  transition: var(--transition);
}

.faq-item.open .faq-item__icon {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-item__a {
  height: 0;
  overflow: hidden;
  transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item__a-inner {
  padding: 0 clamp(16px, 2vw, 24px) clamp(16px, 2vw, 20px);
  font-size: 14px;
  color: var(--gray);
  line-height: 1.85;
}

/* 11. CTA Section
   ============================================= */
.cta-section {
  background: var(--gray-light);
}

.cta-card {
  background: var(--green);
  border-radius: 12px;
  padding: clamp(40px, 6vw, 80px) clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.10);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 80px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.cta-card__text { position: relative; z-index: 2; }

.cta-card__title {
  font-size: 24px;
  font-weight: 900;
  color: var(--text-light);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-card__title em {
  font-style: normal;
  color: var(--orange);
}

.cta-card__sub {
  font-size: 14px;
  color: rgba(241, 245, 249, 0.65);
}

.cta-card__action {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

/* 12. Consultation Modal (Bottom Sheet)
   ============================================= */
.consult-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 999;
  align-items: flex-end;
  backdrop-filter: blur(4px);
}

.consult-overlay.open {
  display: flex;
}

.consult-sheet {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 24px 24px 0 0;
  padding: 32px 28px 40px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.consult-overlay.open .consult-sheet {
  transform: translateY(0);
}

.consult-sheet__handle {
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 0 auto 24px;
}

.consult-sheet__title {
  font-size: 20px;
  font-weight: 900;
  color: var(--green);
  text-align: center;
  margin-bottom: 6px;
}

.consult-sheet__sub {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
  margin-bottom: 28px;
}

.consult-sheet__btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.consult-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px 16px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
}

.consult-btn--call {
  background: var(--green);
  color: var(--white);
}
.consult-btn--call:hover { background: var(--green-light); transform: translateY(-2px); }

.consult-btn--sms {
  background: var(--orange);
  color: var(--white);
}
.consult-btn--sms:hover { background: #e55a25; transform: translateY(-2px); }

.consult-btn__icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.consult-btn__desc {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.75;
  margin-top: 2px;
}

.consult-sheet__close {
  margin-top: 16px;
  width: 100%;
  padding: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: color var(--transition);
}
.consult-sheet__close:hover { color: var(--text); }

/* 13. Footer
   ============================================= */
.footer {
  background: var(--green);
  color: var(--text-light);
  padding: 48px 0 0;
  font-size: 0.98rem;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer__brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.footer__info {
  line-height: 2;
  color: rgba(241,245,249,0.6);
}

.footer__copy {
  max-width: var(--container);
  margin: 28px auto 0;
  padding: 20px var(--pad-x);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.86rem;
  color: rgba(241,245,249,0.45);
  text-align: center;
}

.footer__legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
  color: rgba(241,245,249,0.6);
}

.footer__legal a { color: rgba(241,245,249,0.6); text-decoration: none; transition: color .2s; }
.footer__legal a:hover { color: rgba(241,245,249,0.9); }

/* 14. Sub-page common
   ============================================= */
.page-hero {
  background: var(--green);
  padding: clamp(36px, 8vh, 140px) var(--pad-x) clamp(56px, 8vh, 80px);
  text-align: center;
  margin-top: calc(var(--bar-h) + var(--header-h));
  position: relative;
  overflow: hidden;
}

.page-hero--gray::after { background: var(--gray-light); }

.page-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.page-hero__title {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-light);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.page-hero__sub {
  font-size: 15px;
  color: rgba(241,245,249,0.7);
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb__sep { color: var(--border); }
.breadcrumb__cur { color: var(--green); font-weight: 600; }

/* Service detail page */
.service-detail {}

.service-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 780px;
}

.service-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.service-step__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 15px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-step__content { padding-top: 8px; }

.service-step__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.service-step__desc {
  font-size: 15.5px;
  color: var(--gray);
  line-height: 1.7;
}

/* Case study grid */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 24px);
}

.case-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--gray-light);
  transition: var(--transition);
}

.case-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-item__img {
  width: 100%;
  height: 100%;
}

.case-item__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.case-item:hover .case-item__img img {
  transform: scale(1.06);
}

.case-item__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(15,23,42,.88), rgba(15,23,42,.35) 70%, transparent);
  padding: 16px 20px 18px;
}

.case-item__location {
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-item__title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}

@media (min-width: 1025px) {
  .case-item__body {
    transform: translateY(100%);
    opacity: 0;
    transition: transform .35s cubic-bezier(0.4,0,0.2,1), opacity .35s ease;
  }
  .case-item:hover .case-item__body,
  .case-item:focus-within .case-item__body {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Sitemap */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 40px;
}

.sitemap-group__title {
  font-size: 20px;
  font-weight: 900;
  color: var(--green);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--orange);
  display: inline-block;
}

.sitemap-group__links {
  display: flex;
  flex-direction: column;
}

.sitemap-group__link {
  font-size: 17px;
  min-height: 44px;
  color: var(--gray);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.sitemap-group__link:hover { color: var(--orange); }
.sitemap-group__link::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Consultation page */
.consult-page {
  padding: clamp(48px, 8vw, 100px) 0;
}

.consult-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 3vw, 28px);
  max-width: 720px;
  margin: 0 auto 48px;
}

.consult-option {
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 48px) 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.consult-option--call { background: var(--green); color: var(--white); }
.consult-option--sms  { background: var(--orange); color: var(--white); }

.consult-option:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.consult-option__icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.consult-option__title {
  font-size: 20px;
  font-weight: 900;
}

.consult-option__num {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.consult-option__desc {
  font-size: 13px;
  opacity: 0.75;
  line-height: 1.6;
}

/* Brand story detail */
.brand-detail {
  max-width: 860px;
  margin: 0 auto;
}

.brand-detail p {
  font-size: 16px;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 28px;
}

.brand-detail h3 {
  font-size: 18px;
  font-weight: 900;
  color: var(--green);
  margin-bottom: 16px;
  margin-top: 48px;
}

.brand-detail h3:first-child { margin-top: 0; }

/* 15. Responsive
   ============================================= */
@media (max-width: 1024px) {
  .cases__grid { grid-template-columns: 1fr; gap: 48px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-card { flex-direction: column; text-align: center; }
  .brand__inner { flex-direction: column; }
  .brand__image { width: clamp(140px, 40vw, 220px); }

  /* 서비스 세부 페이지 2컬럼 → 1컬럼 */
  .service-detail .container > nav + div,
  .service-detail [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header__phone { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { flex-direction: column; }
  .consult-options { grid-template-columns: 1fr; max-width: 340px; }
}

@media (max-width: 540px) {
  .services__grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .consult-sheet__btns { grid-template-columns: 1fr; }
  .brand__stats { gap: 32px; }
  .footer__legal { gap: 24px; }
}

/* 16. Animations
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* 17. Misc
   ============================================= */
.divider-orange {
  width: 40px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
  margin: 16px auto 0;
}

.tag {
  display: inline-block;
  background: rgba(20, 66, 58, 0.08);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}

.tag--orange {
  background: rgba(255, 107, 53, 0.1);
  color: var(--orange);
}

/* PC 헤더 크기 */
@media (min-width: 1025px) {
  :root { --header-h: 88px; --pad-x: 40px; --pad-section: 96px; }

  .logo__symbol { width: 64px; height: 54px; }
  .logo__main   { font-size: 22px; }
  .logo__sub    { font-size: 12px; }

  .nav          { gap: 16px; }
  .nav__link    { padding: 10px 18px; font-size: 15px; }

  /* PC 제목 스케일 (고정 2단계) */
  .hero__h1        { font-size: 62px; }
  .page-hero__title{ font-size: 54px; }
  .cta-card__title { font-size: 42px; }
  .section-title   { font-size: 48px; }

  /* PC 본문/서브 텍스트 스케일 */
  .section-subtitle { font-size: 24px; }
  .hero__subtitle { font-size: 18px; }
  .case-block__location { font-size: 21px; }
  .case-block__desc { font-size: 16px; }
  .brand__quote { font-size: 40px; }
  .brand__sub { font-size: 19px; }
  .brand__stat-num { font-size: 50px; }
  .service-card__title { font-size: 22px; }
  .service-card__desc { font-size: 16px; }
  .faq-item__q { font-size: 18px; }
  .faq-item__a-inner { font-size: 16px; }
  .cta-card__sub { font-size: 17px; }
  .page-hero__sub { font-size: 19px; }
  .brand-detail p { font-size: 20px; }
  .brand-detail h3 { font-size: 26px; }
  .sitemap-group__title { font-size: 22px; }
  .sitemap-group__link { font-size: 18px; }

  .header__phone { font-size: 16px; }
}