/* ============================================================
   ONOP — Main Stylesheet
   수정 팁: CSS 변수(--color-*)를 바꾸면 전체 색상이 한 번에 바뀝니다.
============================================================ */

/* ── 디자인 토큰 ── */
:root {
  /* 색상 */
  --color-bg: #FAFAF8;
  /* 섹션 배경 */
  --color-white: #ffffff;
  --color-dark: #111111;
  /* 텍스트 */
  --color-gray: #6F6F6F;
  /* 서브텍스트 */
  --color-gray-light: #DDDDDD;
  /* 라인 */
  --color-accent: #2148D8;
  /* 포인트 블루 */
  --color-accent-dark: #1838b8;
  --color-footer-bg: #0D1226;
  /* 딥 네이비 */

  /* 타이포그래피 */
  --font-serif: 'Pretendard', sans-serif;
  --font-sans-kr: 'Pretendard', sans-serif;
  --font-sans: 'Pretendard', sans-serif;

  /* 레이아웃 */
  --container: 1200px;
  --header-h: 72px;
  --radius: 4px;
  --radius-lg: 12px;

  /* 애니메이션 */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur: 0.3s;
}

/* ── 리셋 & 기본 ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans-kr);
  background: var(--color-bg);
  color: var(--color-dark);
  font-size: 21px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

address {
  font-style: normal;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  height: var(--header-h);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.site-header.scrolled {
  background: rgba(7, 9, 26, .92);
  border-color: rgba(255, 255, 255, .1);
  box-shadow: 0 2px 32px rgba(0, 0, 0, .4);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* 다크 히어로에서 헤더 텍스트·버튼 색 */
.site-header .nav-link {
  color: rgba(255, 255, 255, .88);
}

.site-header .nav-link:hover {
  color: #fff;
}

.site-header .btn-brochure {
  color: rgba(255, 255, 255, .55);
  border-color: rgba(255, 255, 255, .2);
}

.site-header .btn-brochure:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
}

.site-header .btn-quote {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.site-header .btn-quote:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.site-header .hamburger span {
  background: rgba(255, 255, 255, .85);
}

/* 스크롤 후에는 드롭다운 배경을 흰색으로 */
.site-header.scrolled .dropdown {
  background: rgba(10, 14, 36, .96);
  border-color: rgba(255, 255, 255, .1);
}

.site-header.scrolled .dropdown li a {
  color: rgba(255, 255, 255, .75);
}

.site-header.scrolled .dropdown li a:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

/* 로고 */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

/* 내비게이션 */
.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans-kr);
  font-size: 18px;
  font-weight: 500;
  padding: 8px 14px;
  color: var(--color-dark);
  letter-spacing: -0.05em;
  transition: color var(--dur) var(--ease);
  display: block;
}

.nav-link:hover {
  color: var(--color-accent);
}

/* 드롭다운 */
.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 160px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .12);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 100;
  overflow: hidden;
}

/* 드롭다운과 nav-link 사이 공백을 hover 영역으로 메우는 투명 브리지 */
.nav-item.has-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -20px;
  right: -20px;
  height: 16px;
  /* dropdown top 오프셋(12px) + 여유 4px */
}

.dropdown li a {
  display: block;
  padding: 11px 20px;
  font-size: 17px;
  font-weight: 400;
  color: var(--color-dark);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  white-space: nowrap;
}

.dropdown li a:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

.nav-item.has-dropdown:hover .dropdown,
.nav-item.has-dropdown.dropdown-open .dropdown,
.nav-item.has-dropdown:focus-within .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* 헤더 우측 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-brochure {
  font-family: var(--font-sans-kr);
  font-size: 16px;
  font-weight: 500;
  padding: 8px 18px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  color: var(--color-gray);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}

.btn-brochure:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-quote {
  font-family: var(--font-sans-kr);
  font-size: 12.5px;
  font-weight: 500;
  padding: 9px 22px;
  border: 1.5px solid var(--color-dark);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  white-space: nowrap;
}

.btn-quote:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

/* 햄버거 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans-kr);
  font-size: 18px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform .15s var(--ease);
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-outline:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, .5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: var(--color-white);
}

.text-link {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  transition: opacity var(--dur) var(--ease);
}

.text-link:hover {
  opacity: .7;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* 영어 대형 헤드라인 */
.hero-en {
  font-family: var(--font-sans);
  font-size: clamp(51px, 7.5vw, 99px);
  line-height: 0.92;
  letter-spacing: -0.07em;
  font-weight: 300;
  color: var(--color-dark);
  margin-bottom: 20px;
}

/* 국문 메인 카피 */
.hero-heading {
  font-family: var(--font-sans-kr);
  font-size: clamp(39px, 5vw, 67px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.07em;
  color: var(--color-dark);
  margin-bottom: 28px;
}

.accent {
  color: var(--color-accent);
}

.heading-line {
  display: inline-block;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-left: 4px;
  vertical-align: middle;
}

/* 본문 */
.hero-desc {
  font-size: 21px;
  line-height: 1.8;
  color: #6F6F6F;
  padding-left: 16px;
  border-left: 2px solid var(--color-gray-light);
  margin-bottom: 16px;
}

.hero-tags {
  font-size: 16px;
  color: var(--color-gray);
  letter-spacing: -0.03em;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* 히어로 이미지 */
.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-light);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-gray);
  text-align: center;
  background: #ddd8cf;
  min-height: 380px;
}

/* ============================================================
   STATS BAR
============================================================ */
.stats-bar {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
  padding: 40px 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 20px;
  border-right: 1px solid var(--color-gray-light);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  font-family: var(--font-sans);
  font-size: clamp(55px, 5.5vw, 83px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.07em;
  color: var(--color-dark);
}

.stat-num sup {
  font-size: .4em;
  vertical-align: super;
  font-weight: 400;
  letter-spacing: 0;
}

.stat-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-top: 10px;
}

.stat-sub {
  font-size: 16px;
  color: var(--color-gray);
  margin-top: 4px;
  line-height: 1.5;
}

/* ============================================================
   SECTIONS COMMON
============================================================ */
.section {
  padding: 100px 0;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(35px, 3.5vw, 51px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.05em;
  margin-bottom: 56px;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.section-header-row .section-heading {
  margin-bottom: 0;
}

/* ============================================================
   ABOUT SECTION
============================================================ */
.about-section {
  background: var(--color-bg);
}

.about-inner {}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 14.5px;
  color: var(--color-gray);
  line-height: 1.85;
  margin-bottom: 20px;
}

.about-text .text-link {
  display: inline-block;
  margin-top: 8px;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.value-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, .08);
  transform: translateY(-2px);
}

.value-num {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .07em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 12px;
}

.value-card h3 {
  font-family: var(--font-sans-kr);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 17px;
  color: var(--color-gray);
  line-height: 1.65;
}

/* ============================================================
   BUSINESS SECTION
============================================================ */
.business-section {
  background: var(--color-dark);
  color: var(--color-white);
}

.business-section .section-heading {
  color: var(--color-white);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.biz-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  cursor: pointer;
}

.biz-card:hover {
  background: rgba(43, 92, 230, .2);
  border-color: var(--color-accent);
}

.biz-card--wide {
  grid-column: span 4;
  flex-direction: row;
  align-items: center;
  gap: 32px;
  padding: 28px 32px;
}

.biz-icon {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .07em;
  color: var(--color-accent);
}

.biz-card h3 {
  font-family: var(--font-sans-kr);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
}

.biz-card p {
  font-size: 17px;
  color: rgba(255, 255, 255, .6);
  line-height: 1.65;
  flex: 1;
}

.biz-arrow {
  font-size: 21px;
  color: var(--color-accent);
  margin-top: auto;
  transition: transform var(--dur) var(--ease);
}

.biz-card:hover .biz-arrow {
  transform: translateX(4px);
}

.biz-card--wide .biz-arrow {
  margin-top: 0;
  margin-left: auto;
}

/* ============================================================
   PROJECTS SECTION
============================================================ */
.projects-section {
  background: var(--color-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-light);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
  cursor: pointer;
  color: inherit;
}

a.project-card:hover,
a.media-card:hover {
  text-decoration: none;
}

.project-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, .1);
  transform: translateY(-3px);
}

.project-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #f5f5f3;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}

.project-card:hover .project-thumb img {
  transform: scale(1.04);
}

.thumb-placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  background: #ddd8cf;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-gray);
  text-align: center;
}

.project-info {
  padding: 22px 24px 26px;
}

.project-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(43, 92, 230, .08);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.project-info h3 {
  font-family: var(--font-sans-kr);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.project-info p {
  font-size: 12.5px;
  color: var(--color-gray);
}

/* ============================================================
   CTA BANNER
============================================================ */
.cta-banner {
  background: #0D1226;
  background-image: radial-gradient(ellipse at 70% 50%, rgba(36, 83, 255, .25) 0%, transparent 60%);
  padding: 80px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-family: var(--font-sans-kr);
  font-size: clamp(27px, 3vw, 39px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 10px;
}

.cta-text p {
  font-size: 18px;
  color: rgba(255, 255, 255, .6);
}

.cta-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, .7);
}

/* ── 푸터 V2 레이아웃 ── */
.footer-inner-v2 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding: 52px 0 44px;
}

.footer-info {
  flex: 1;
  min-width: 0;
}

.footer-logo {
  margin-bottom: 4px;
}

.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.footer-desc {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .13em;
  color: rgba(255, 255, 255, .4);
  margin-bottom: 20px;
}

.footer-address-v2 {
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, .5);
  font-style: normal;
  margin-bottom: 14px;
}

.footer-address-v2 a {
  color: rgba(255, 255, 255, .5);
}

.footer-address-v2 a:hover {
  color: var(--color-white);
}

.footer-privacy-link {
  font-size: 16px;
  color: rgba(255, 255, 255, .5);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.footer-privacy-link:hover {
  color: var(--color-white);
}

/* SNS 아이콘 버튼 */
.footer-sns-v2 {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
  padding-top: 2px;
}

.fsns-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 8px;
  color: rgba(255, 255, 255, .65);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
  flex-shrink: 0;
}

.fsns-btn:hover {
  border-color: rgba(255, 255, 255, .6);
  color: var(--color-white);
  background: rgba(255, 255, 255, .07);
}

.fsns-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 16px;
  color: rgba(255, 255, 255, .35);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 16px;
  color: rgba(255, 255, 255, .35);
  transition: color var(--dur) var(--ease);
}

.footer-links a:hover {
  color: var(--color-white);
}

/* ============================================================
   PAGE HERO (서브페이지 공통)
============================================================ */
.page-hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 64px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-gray-light);
}

.page-hero .section-label {
  margin-bottom: 12px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(39px, 4.5vw, 63px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.page-hero p {
  margin-top: 18px;
  font-size: 19px;
  color: var(--color-gray);
  max-width: 520px;
}

/* ============================================================
   TIMELINE (연혁)
============================================================ */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-gray-light);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding-left: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline-year {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.timeline-item h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 13.5px;
  color: var(--color-gray);
}

/* ============================================================
   CONTACT FORM
============================================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 18px;
  color: var(--color-dark);
  background: var(--color-white);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(43, 92, 230, .12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 지도 플레이스홀더 */
.map-placeholder {
  width: 100%;
  height: 400px;
  background: var(--color-gray-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--color-gray);
  overflow: hidden;
}

/* ============================================================
   RESPONSIVE — 5단계 브레이크포인트
   1280 · 1024 · 768 · 480 · 360
============================================================ */

/* ── 1280px : 넓은 노트북 이하 ── */
@media (max-width: 1280px) {
  :root {
    --container: 1080px;
  }

  .hero-en {
    font-size: clamp(47px, 6.5vw, 83px);
  }

  .hero-heading {
    font-size: clamp(35px, 4.5vw, 59px);
  }
}

/* ── 1024px : 태블릿 가로 / 작은 노트북 ── */
@media (max-width: 1024px) {
  .container {
    padding: 0 32px;
  }

  /* 히어로 */
  .hero {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 64px;
  }

  .hero-inner {
    gap: 40px;
  }

  .hero-en {
    font-size: clamp(43px, 5.5vw, 71px);
  }

  .hero-heading {
    font-size: clamp(33px, 4vw, 51px);
  }

  /* 레이아웃 */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .biz-card--wide {
    grid-column: span 2;
  }

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

  /* 통계 */
  .stat-num {
    font-size: clamp(47px, 4.5vw, 67px);
  }

  /* 섹션 */
  .section-heading {
    font-size: clamp(31px, 3vw, 43px);
  }

  .page-hero h1 {
    font-size: clamp(35px, 4vw, 55px);
  }
}

/* ── 768px : 태블릿 세로 / 모바일 큰 화면 ── */
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  .container {
    padding: 0 20px;
  }

  /* ── 헤더 ── */
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    box-shadow: 0 8px 32px rgba(0, 0, 0, .1);
    padding: 16px 20px 24px;
    transform: translateY(-110%);
    transition: transform var(--dur) var(--ease);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }

  .nav-link {
    padding: 13px 8px;
    border-bottom: 1px solid var(--color-gray-light);
    font-size: 18px;
  }

  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--color-bg);
  }

  /* 모바일에서 hover 브리지 불필요 */
  .nav-item.has-dropdown::after {
    display: none;
  }

  .dropdown li a {
    padding: 9px 16px;
    font-size: 17px;
  }

  .btn-quote {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* ── 히어로 ── */
  .hero {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 48px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-image {
    order: -1;
    max-height: 280px;
    aspect-ratio: 16/9;
  }

  .hero-image-placeholder {
    min-height: 200px;
  }

  .hero-en {
    font-size: clamp(39px, 8vw, 59px);
    margin-bottom: 12px;
  }

  .hero-heading {
    font-size: clamp(31px, 7vw, 47px);
    margin-bottom: 20px;
  }

  .hero-desc {
    font-size: 19px;
  }

  .hero-tags {
    font-size: 15px;
  }

  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }

  .hero-btns .btn {
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  /* ── 통계 ── */
  .stats-bar {
    padding: 28px 0;
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item {
    padding: 20px 16px;
    border-right: 1px solid var(--color-gray-light);
    border-bottom: 1px solid var(--color-gray-light);
  }

  .stat-item:nth-child(even) {
    border-right: none;
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .stat-num {
    font-size: clamp(43px, 9vw, 63px);
  }

  /* ── 섹션 공통 ── */
  .section {
    padding: 56px 0;
  }

  .section-heading {
    font-size: clamp(29px, 6vw, 39px);
    margin-bottom: 36px;
  }

  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-header-row .section-heading {
    margin-bottom: 0;
  }

  /* ── About ── */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .about-text p {
    font-size: 18px;
  }

  /* ── 사업분야 ── */
  .business-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .biz-card {
    padding: 24px 20px;
  }

  .biz-card--wide {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
  }

  .biz-card--wide .biz-arrow {
    margin-left: 0;
    margin-top: auto;
  }

  /* ── 프로젝트 ── */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  /* ── CTA ── */
  .cta-banner {
    padding: 56px 0;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .cta-text h2 {
    font-size: clamp(25px, 5.5vw, 33px);
  }

  .cta-btns {
    flex-direction: column;
    width: 100%;
  }

  .cta-btns .btn {
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  /* ── 푸터 ── */
  .footer-inner-v2 {
    flex-direction: column;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 36px;
  }

  .footer-sns-v2 {
    flex-wrap: wrap;
  }

  .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* ── 서브페이지 히어로 ── */
  .page-hero {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 40px;
  }

  .page-hero h1 {
    font-size: clamp(31px, 7vw, 43px);
  }

  .page-hero p {
    font-size: 18px;
  }

  /* ── 폼 ── */
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ── 480px : 일반 스마트폰 ── */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  /* 헤더 */
  .logo-img {
    height: 32px;
  }

  /* 히어로 */
  .hero {
    padding-top: calc(var(--header-h) + 28px);
    padding-bottom: 40px;
  }

  .hero-en {
    font-size: clamp(31px, 9vw, 47px);
    line-height: 0.95;
  }

  .hero-heading {
    font-size: clamp(27px, 7.5vw, 39px);
    line-height: 1.1;
  }

  .hero-desc {
    font-size: 18px;
    padding-left: 12px;
  }

  .hero-tags {
    font-size: 10.5px;
    line-height: 1.7;
  }

  /* 통계 */
  .stat-num {
    font-size: clamp(39px, 10vw, 55px);
  }

  .stat-label {
    font-size: 13px;
    letter-spacing: .07em;
  }

  .stat-sub {
    font-size: 15px;
  }

  /* 섹션 */
  .section {
    padding: 44px 0;
  }

  .section-heading {
    font-size: clamp(25px, 6.5vw, 33px);
  }

  .section-label {
    font-size: 13px;
    letter-spacing: .13em;
  }

  /* 카드 */
  .value-card {
    padding: 22px 18px;
  }

  .biz-card {
    padding: 20px 16px;
  }

  .project-info {
    padding: 16px 18px 20px;
  }

  .project-info h3 {
    font-size: 18px;
  }

  /* CTA */
  .cta-text h2 {
    font-size: clamp(23px, 6vw, 29px);
  }

  /* 푸터 */
  .footer-address-v2 {
    font-size: 15px;
    line-height: 1.9;
  }

  .footer-bottom p {
    font-size: 15px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  /* 서브페이지 히어로 */
  .page-hero h1 {
    font-size: clamp(27px, 8vw, 37px);
  }

  /* 연혁 */
  .history-entry {
    grid-template-columns: 72px 1fr;
    gap: 12px;
  }

  .history-group-year {
    font-size: 35px;
  }
}

/* ── 360px : 소형 스마트폰 ── */
@media (max-width: 360px) {
  .container {
    padding: 0 14px;
  }

  .hero-en {
    font-size: 31px;
  }

  .hero-heading {
    font-size: 27px;
  }

  .hero-desc {
    font-size: 17px;
  }

  .stat-num {
    font-size: 39px;
  }

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

  .section {
    padding: 36px 0;
  }

  .section-heading {
    font-size: 25px;
  }

  .btn {
    font-size: 17px;
    padding: 12px 20px;
  }
}

/* ============================================================
   ANIMATIONS (스크롤 진입 시)
============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   DOMAIN NAV (사업분야 서브페이지 탭)
============================================================ */
.domain-nav {
  margin-top: var(--header-h);
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
}

.domain-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.domain-tabs::-webkit-scrollbar {
  display: none;
}

.domain-tab {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 15px 22px;
  font-family: var(--font-sans-kr);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-gray);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color var(--dur), border-color var(--dur);
}

.domain-tab:hover {
  color: var(--color-dark);
}

.domain-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

.domain-tab-num {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  opacity: .55;
}

/* ── 사업분야 서브 히어로 ── */
.biz-sub-hero {
  padding: 56px 0 48px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
}

/* 2컬럼 히어로: 텍스트 LEFT + 다이어그램 RIGHT */
.biz-sub-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.biz-hero-text {
  min-width: 0;
}

.biz-hero-diagram {
  min-width: 0;
}

.biz-sub-hero .section-label {
  margin-bottom: 10px;
}

.biz-sub-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(35px, 4vw, 55px);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 14px;
}

.biz-sub-hero p {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.8;
  word-break: keep-all;
}

.biz-sub-hero p+p {
  margin-top: 12px;
}

.biz-sub-tagline {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 700;
  color: var(--color-dark) !important;
  line-height: 1.45;
  margin-bottom: 18px !important;
  margin-top: 4px;
}

/* ── 사업분야 서브 콘텐츠 ── */
.biz-sub-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.biz-sub-text .biz-service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.biz-sub-text .biz-service-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 18px;
  color: var(--color-dark);
  line-height: 1.6;
}

.biz-sub-text .biz-service-item::before {
  content: '→';
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.biz-service-item strong {
  display: block;
  font-weight: 600;
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 3px;
}

.biz-service-item span {
  display: block;
  font-size: 12.5px;
  color: var(--color-gray);
  line-height: 1.7;
}

.biz-case-box {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-top: 28px;
}

.biz-case-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.biz-case-box ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.biz-case-box ul li {
  font-size: 12.5px;
  color: var(--color-gray);
  padding-left: 14px;
  position: relative;
  line-height: 1.65;
}

.biz-case-box ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.biz-sub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.biz-sub-tag {
  font-size: 16px;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid var(--color-gray-light);
  border-radius: 20px;
  color: var(--color-gray);
  background: var(--color-white);
}

.biz-sub-img {
  position: sticky;
  top: calc(var(--header-h) + 56px + 40px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: transparent;
}

.biz-sub-img .service-viz {
  border-radius: var(--radius-lg);
  min-height: 100%;
}

/* 다이어그램 모드: aspect-ratio 해제 */
.biz-sub-img.biz-diagram-wrap {
  aspect-ratio: unset;
  overflow: visible;
}

.biz-sub-img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-gray);
  background: #e8e5de;
  text-align: center;
}

.biz-sub-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── 사업분야 개요 허브 (business.html) ── */
.domain-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.domain-hub-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--dur), transform var(--dur), border-color var(--dur);
  color: inherit;
}

.domain-hub-card:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, .1);
  transform: translateY(-5px);
  border-color: rgba(33, 72, 216, .3);
}

.dhc-num {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .17em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.domain-hub-card h3 {
  font-size: 25px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

.domain-hub-card p {
  font-size: 13.5px;
  color: var(--color-gray);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}

.dhc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.dhc-tag {
  font-size: 15px;
  padding: 4px 12px;
  border: 1px solid var(--color-gray-light);
  border-radius: 20px;
  color: var(--color-gray);
  background: var(--color-bg);
}

.dhc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-accent);
}

.domain-hub-card:nth-child(4) {
  grid-column: span 1;
}

.domain-hub-card:nth-child(5) {
  grid-column: span 3;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.domain-hub-card:nth-child(5) .dhc-tags {
  margin-bottom: 0;
}

.domain-hub-card:nth-child(5) .dhc-link {
  margin-left: auto;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .domain-hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .domain-hub-card:nth-child(5) {
    grid-column: span 2;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .domain-hub-card:nth-child(5) .dhc-link {
    margin-left: 0;
    margin-top: 0;
  }

  .domain-hub-card:nth-child(5) .dhc-tags {
    margin-bottom: 24px;
  }

  .biz-sub-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .biz-sub-img {
    position: static;
  }

  .biz-sub-hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .domain-hub-grid {
    grid-template-columns: 1fr;
  }

  .domain-hub-card:nth-child(5) {
    grid-column: span 1;
  }
}

/* ============================================================
   CONTACT — MULTI-STEP FORM
============================================================ */
.step-progress {
  display: flex;
  align-items: center;
  margin-bottom: 52px;
}

.step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-width: 90px;
}

.step-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-gray);
  background: var(--color-white);
  transition: all var(--dur);
  position: relative;
  z-index: 1;
}

.step-node.active .step-circle {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.step-node.done .step-circle {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.step-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray);
  white-space: nowrap;
}

.step-node.active .step-label,
.step-node.done .step-label {
  color: var(--color-accent);
  font-weight: 700;
}

.step-connector {
  flex: 1;
  height: 2px;
  background: var(--color-gray-light);
  margin-bottom: 26px;
  transition: background .4s;
}

.step-connector.done {
  background: var(--color-accent);
}

/* Step panels */
.step-panel {
  display: none;
  animation: stepIn .3s var(--ease);
}

.step-panel.active {
  display: block;
}

@keyframes stepIn {
  from {
    opacity: 0;
    transform: translateX(16px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 의뢰 유형 selector */
.type-selector {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}

.type-btn {
  flex: 1;
  padding: 18px 20px;
  border: 2px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  cursor: pointer;
  text-align: left;
  transition: all var(--dur);
}

.type-btn:hover {
  border-color: rgba(33, 72, 216, .4);
}

.type-btn.selected {
  border-color: var(--color-accent);
  background: rgba(33, 72, 216, .05);
}

.type-btn-icon {
  font-size: 25px;
  margin-bottom: 8px;
  display: block;
}

.type-btn-title {
  font-family: var(--font-sans-kr);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  display: block;
  margin-bottom: 3px;
}

.type-btn-sub {
  font-size: 16px;
  color: var(--color-gray);
}

/* 서비스 분야 selector */
.service-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.service-btn {
  padding: 11px 22px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: 24px;
  background: var(--color-white);
  font-family: var(--font-sans-kr);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-gray);
  cursor: pointer;
  transition: all var(--dur);
}

.service-btn:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.service-btn.selected {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

/* 예산/기간 옵션 selector */
.option-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.option-btn {
  padding: 10px 18px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  background: var(--color-white);
  font-family: var(--font-sans-kr);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-gray);
  cursor: pointer;
  transition: all var(--dur);
}

.option-btn:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.option-btn.selected {
  border-color: var(--color-accent);
  background: rgba(33, 72, 216, .07);
  color: var(--color-accent);
  font-weight: 700;
}

/* 폼 필드 공통 */
.contact-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.contact-form-field label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.contact-form-field input,
.contact-form-field textarea,
.contact-form-field select {
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 18px;
  color: var(--color-dark);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--dur);
}

.contact-form-field input:focus,
.contact-form-field textarea:focus {
  border-color: var(--color-accent);
}

.contact-form-field textarea {
  resize: vertical;
  min-height: 130px;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 파일 업로드 */
.contact-file-area {
  border: 2px dashed var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all var(--dur);
}

.contact-file-area:hover,
.contact-file-area.dragover {
  border-color: var(--color-accent);
  background: rgba(33, 72, 216, .03);
}

.contact-file-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.contact-file-icon {
  font-size: 31px;
  margin-bottom: 8px;
}

.contact-file-text {
  font-size: 17px;
  color: var(--color-gray);
}

.contact-file-text strong {
  color: var(--color-accent);
}

.contact-file-hint {
  font-size: 15px;
  color: var(--color-gray);
  opacity: .7;
  margin-top: 4px;
}

.contact-file-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 16px;
  color: var(--color-dark);
}

.contact-file-item button {
  background: none;
  border: none;
  color: var(--color-gray);
  cursor: pointer;
  font-size: 17px;
  padding: 0 4px;
}

.contact-file-item button:hover {
  color: #e53e3e;
}

/* 개인정보 동의 */
.privacy-agree {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  margin-top: 20px;
}

.privacy-agree input[type="checkbox"] {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.privacy-agree label {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.65;
  cursor: pointer;
}

.privacy-agree a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* 단계 이동 버튼 */
.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--color-gray-light);
}

.btn-step-prev {
  padding: 13px 26px;
  background: transparent;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-gray);
  cursor: pointer;
  transition: all var(--dur);
}

.btn-step-prev:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.btn-step-next {
  padding: 14px 36px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur), transform .15s;
}

.btn-step-next:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-step-next:disabled {
  background: var(--color-gray-light);
  color: var(--color-gray);
  cursor: not-allowed;
  transform: none;
}

/* 제출 완료 */
.submit-done {
  display: none;
  text-align: center;
  padding: 72px 20px;
}

.submit-done-icon {
  font-size: 55px;
  margin-bottom: 16px;
}

.submit-done h3 {
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 12px;
}

.submit-done p {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .type-selector {
    flex-direction: column;
    gap: 10px;
  }

  .contact-form-row {
    grid-template-columns: 1fr;
  }

  .step-node {
    min-width: 60px;
  }

  .step-label {
    font-size: 14px;
  }

  .step-connector {
    min-width: 20px;
  }

  .step-actions {
    flex-direction: column-reverse;
    gap: 10px;
  }

  .btn-step-next,
  .btn-step-prev {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}


/* ============================================================
   INDEX v2 — 신뢰 빌딩 흐름 재설계
============================================================ */

/* ── 공통 ── */
.section-lead {
  font-size: 19px;
  line-height: 1.85;
  color: var(--color-gray);
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-lead-small {
  font-size: 17px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-top: 10px;
  max-width: 540px;
}

/* ── HERO v2 ── */
.hero-v2 {
  padding: calc(var(--header-h) + 100px) 0 100px;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #07091a 0%, #0d1640 45%, #0a1228 100%);
  position: relative;
  overflow: hidden;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 9, 26, 0.72) 0%, rgba(13, 22, 64, 0.62) 45%, rgba(10, 18, 40, 0.68) 100%);
  z-index: 1;
  pointer-events: none;
}

/* 배경 그리드 패턴 */
.hero-v2::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 2;
}

/* 오른쪽 상단 블루 글로우 */
.hero-v2::after {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(33, 72, 216, .38) 0%, transparent 68%);
  pointer-events: none;
  z-index: 2;
}

/* 왼쪽 하단 서브 글로우 */
.hero-v2 .hero-glow-lb {
  position: absolute;
  bottom: -200px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(33, 72, 216, .18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 2;
}

.hero-v2-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 3;
}

.hero-v2-eyebrow {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .17em;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.hero-v2-title {
  font-family: var(--font-sans-kr);
  font-size: clamp(37px, 5vw, 59px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.055em;
  margin-bottom: 28px;
  color: var(--color-dark);
}

.hero-v2-eyebrow {
  color: rgba(255, 255, 255, .55);
}

.hero-v2-title {
  color: var(--color-white);
}

.hero-v2-title .accent {
  color: #6b9fff;
}

.hero-v2-sub {
  font-size: 20px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 32px;
}

.hero-v2-bullets {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 40px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
}

.hero-v2-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .88);
}

.hero-v2-bullets li span {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  margin-top: 2px;
}

.hero-v2-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* 히어로 내 outline 버튼은 흰 테두리 */
.hero-v2 .btn-outline {
  color: rgba(255, 255, 255, .85);
  border-color: rgba(255, 255, 255, .3);
}

.hero-v2 .btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
}

/* HERO Visual — bullets + CTA 우측 컬럼 */
.hero-v2-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.hero-v2-card-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.hv2-stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .04);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.hv2-stat-card:nth-child(odd) {
  transform: translateX(0);
}

.hv2-stat-card:nth-child(2) {
  margin-left: 40px;
  background: var(--color-dark);
  color: #fff;
  border-color: var(--color-dark);
}

.hv2-stat-card:nth-child(2) .hv2-stat-num {
  color: #fff;
}

.hv2-stat-card:nth-child(2) .hv2-stat-label {
  color: rgba(255, 255, 255, .85);
}

.hv2-stat-card:nth-child(2) .hv2-stat-sub {
  color: rgba(255, 255, 255, .55);
}

.hv2-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .1);
}

.hv2-stat-num {
  font-family: var(--font-sans);
  font-size: 51px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.hv2-stat-num sup,
.hv2-stat-num sub {
  font-size: 23px;
  font-weight: 400;
  margin-left: 2px;
}

.hv2-stat-label {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.hv2-stat-sub {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.5;
}

/* ── TRUST BAR v2 ── */
.trust-bar-v2 {
  background: var(--color-white);
  padding: 40px 0;
  border-top: 1px solid var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
}

.trust-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .17em;
  color: var(--color-gray);
  text-align: center;
  margin-bottom: 22px;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 40px;
  align-items: center;
}

.trust-logos span {
  font-family: var(--font-sans-kr);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--color-gray);
  opacity: .78;
  transition: opacity var(--dur), color var(--dur);
  position: relative;
}

.trust-logos span:hover {
  opacity: 1;
  color: var(--color-dark);
}

.trust-logos span+span::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--color-gray-light);
  border-radius: 50%;
  margin-right: 40px;
  vertical-align: middle;
  position: absolute;
  left: -22px;
  top: 50%;
  transform: translateY(-50%);
}

/* ── WHY ONOP ── */
.why-onop {
  background: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 12px;
}

.why-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur);
  position: relative;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .4s var(--ease);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .08);
  border-color: transparent;
}

.why-card:hover::before {
  transform: scaleX(1);
}

.why-num {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.why-card h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  letter-spacing: -0.05em;
}

.why-card p {
  font-size: 13.5px;
  color: var(--color-gray);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 18px;
}

.why-meta {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--color-accent);
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-light);
}

/* ── DOMAINS PREVIEW (간소화된 미니 그리드) ── */
.domain-mini-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.domain-mini {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: left;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur), border-color var(--dur);
  display: block;
  position: relative;
}

.domain-mini::after {
  content: '→';
  position: absolute;
  top: 24px;
  right: 22px;
  font-size: 21px;
  color: var(--color-gray-light);
  transition: color var(--dur), transform var(--dur);
}

.domain-mini:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .08);
  border-color: var(--color-accent);
}

.domain-mini:hover::after {
  color: var(--color-accent);
  transform: translateX(4px);
}

.dm-num {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.domain-mini h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.05em;
}

.domain-mini p {
  font-size: 11.5px;
  color: var(--color-gray);
  line-height: 1.55;
}

/* ── KMONG CAROUSEL ── */
.kmong-section {
  background: var(--color-bg);
}

.kmong-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}

.kmong-viewport {
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.kmong-track {
  display: flex;
  width: 100%;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}

.kmong-slide {
  flex: 0 0 100%;
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  box-sizing: border-box;
}

.kmong-slide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--color-gray-light);
}

.kmong-arrow {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-light);
  background: var(--color-white);
  font-size: 17px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
  color: var(--color-dark);
}

.kmong-arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.kmong-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.kmong-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-gray-light);
  cursor: pointer;
  padding: 0;
  transition: background .2s, transform .2s;
}

.kmong-dot.active {
  background: var(--color-accent);
  transform: scale(1.3);
}

/* ── PROCESS ── */
.process-section {
  background: var(--color-white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--color-gray-light);
  z-index: 0;
}

.process-step {
  position: relative;
  background: var(--color-white);
  padding: 0 16px;
  text-align: center;
  z-index: 1;
}

.ps-num {
  width: 72px;
  height: 72px;
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 25px;
  font-weight: 700;
  margin: 0 auto 22px;
  transition: background var(--dur), color var(--dur);
}

.process-step:hover .ps-num {
  background: var(--color-accent);
  color: #fff;
}

.process-step h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}

.process-step p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--color-gray);
  margin-bottom: 14px;
}

.ps-duration {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--color-gray);
  padding: 4px 12px;
  background: var(--color-bg);
  border-radius: 20px;
}

/* ── 반응형 ── */
@media (max-width: 1024px) {
  .hero-v2-inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-v2-visual {
    min-height: 0;
  }

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

  .domain-mini-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .process-grid::before {
    display: none;
  }

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

@media (max-width: 768px) {
  .hero-v2 {
    padding: calc(var(--header-h) + 40px) 0 60px;
  }

  .hero-v2-bullets {
    padding: 18px 20px;
  }

  .hv2-stat-card:nth-child(2) {
    margin-left: 0;
  }

  .hv2-stat-num {
    font-size: 39px;
  }

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

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

  .trust-logos {
    gap: 14px 22px;
  }

  .trust-logos span+span::before {
    display: none;
  }

  .kmong-slide {
    grid-template-columns: 1fr;
  }

  .kmong-arrow {
    display: none;
  }

  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .domain-mini-grid {
    grid-template-columns: 1fr;
  }

  .hero-v2-cta {
    flex-direction: column;
  }

  .hero-v2-cta .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}


/* ============================================================
   BUSINESS.HTML v2 — 카탈로그형
============================================================ */
.biz-detail-section {
  background: var(--color-white);
  padding-top: 80px;
  padding-bottom: 80px;
}

.biz-detail-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-gray-light);
  align-items: start;
  transition: transform var(--dur) var(--ease);
}

.biz-detail-row:first-child {
  padding-top: 0;
}

.biz-detail-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.bdr-num {
  font-family: var(--font-sans);
  font-size: 59px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--color-gray-light);
  transition: color var(--dur);
}

.biz-detail-row:hover .bdr-num {
  color: var(--color-accent);
}

.bdr-eyebrow {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .17em;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.bdr-title {
  font-family: var(--font-sans-kr);
  font-size: 33px;
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.3;
  margin-bottom: 14px;
}

.bdr-desc {
  font-size: 19px;
  line-height: 1.8;
  color: var(--color-gray);
  margin-bottom: 24px;
  max-width: 680px;
}

.bdr-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin-bottom: 28px;
  max-width: 680px;
}

.bdr-services li {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--color-dark);
  padding-left: 18px;
  position: relative;
}

.bdr-services li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.bdr-industries {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.bdr-industry-label {
  font-family: var(--font-sans);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-right: 4px;
}

.bdr-industry {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--color-dark);
  background: var(--color-bg);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-gray-light);
}

.bdr-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--dur);
}

.bdr-link:hover {
  gap: 14px;
}

/* ── 히어로 피처 그리드 (4-card) ── */
.hero-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hero-feature-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.hero-feature-card:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .22);
  transform: translateY(-2px);
}

.hero-feature-card h4 {
  color: rgba(255, 255, 255, .92);
}

.hero-feature-card p {
  color: rgba(255, 255, 255, .55);
}

.hfc-meta {
  color: rgba(100, 160, 255, .8) !important;
}

.hfc-num {
  font-family: var(--font-sans);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.hero-feature-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 7px;
  line-height: 1.3;
}

.hero-feature-card p {
  font-size: 11.5px;
  color: var(--color-gray);
  line-height: 1.65;
}

.hfc-meta {
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--color-accent);
  opacity: .7;
}

/* ── 서비스 비주얼 패널 (이미지 박스 대체) ── */
.service-viz {
  width: 100%;
  height: 100%;
  min-height: 340px;
  background: var(--color-footer-bg);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
}

.sv-eyebrow {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .35);
  margin-bottom: 22px;
}

.sv-items {
  flex: 1;
}

.sv-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.sv-item:last-child {
  border-bottom: none;
}

.sv-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(33, 72, 216, .25);
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sv-text {
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, .82);
  line-height: 1.4;
}

/* ── 사업분야 서비스 다이어그램 공통 ── */
.biz-diagram {
  background: #f8f9fc;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-xl);
  padding: 28px 26px;
  width: 100%;
}

.biz-diagram-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-gray-light);
}

/* 플로우형 (컨설팅·교육) */
.biz-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.biz-flow-step {
  display: flex;
  gap: 14px;
  position: relative;
  padding-bottom: 20px;
}

.biz-flow-step:last-child {
  padding-bottom: 0;
}

.biz-flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: 2px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(33, 72, 216, .35), rgba(33, 72, 216, .08));
}

.biz-flow-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.biz-flow-content {
  padding-top: 5px;
  flex: 1;
  min-width: 0;
}

.biz-flow-content strong {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.45;
  word-break: keep-all;
}

.biz-flow-content span {
  display: block;
  font-size: 10.5px;
  color: var(--color-gray);
  margin-top: 3px;
  line-height: 1.5;
  word-break: keep-all;
}

/* 그리드형 (마케팅·행사·S/W·AI) */
.biz-grid-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.biz-grid-cell {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 13px 13px 13px 14px;
  transition: box-shadow .2s, border-left-color .2s;
}

.biz-grid-cell:hover {
  box-shadow: 0 4px 14px rgba(33, 72, 216, .09);
  border-left-color: var(--color-accent-dark);
}

.biz-grid-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.biz-grid-cell strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.4;
  word-break: keep-all;
}

.biz-grid-cell span {
  display: block;
  font-size: 14px;
  color: var(--color-gray);
  margin-top: 4px;
  line-height: 1.5;
  word-break: keep-all;
}

/* ── SYNERGY 흐름도 ── */
.synergy-section {
  background: var(--color-bg);
}

.synergy-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.sf-step {
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  text-align: center;
  min-width: 140px;
  transition: border-color var(--dur), transform var(--dur);
}

.sf-step:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.sf-step-num {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .09em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.sf-step-name {
  display: block;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}

.sf-step-desc {
  display: block;
  font-size: 11.5px;
  color: var(--color-gray);
}

/* ============================================================
   LOGO CAROUSEL
============================================================ */
.logo-carousel-section {
  padding: 40px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
  overflow: hidden;
}

.logo-carousel-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .17em;
  color: var(--color-gray);
  text-align: center;
  margin-bottom: 22px;
}

.logo-carousel-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

.logo-track {
  display: flex;
  gap: 16px;
  animation: logoScroll 40s linear infinite;
  width: max-content;
}

.logo-track:hover {
  animation-play-state: paused;
}

@keyframes logoScroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.logo-item {
  flex-shrink: 0;
  min-width: 150px;
  height: 56px;
  padding: 0 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-gray-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans-kr);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--color-gray);
  white-space: nowrap;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}

.logo-item:hover {
  color: var(--color-dark);
  border-color: var(--color-dark);
  background: var(--color-white);
}

/* ============================================================
   STATS COUNTER SECTION
============================================================ */
.stats-counter-section {
  background: var(--color-footer-bg);
  padding: 72px 0;
}

.sc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.sc-item {
  padding: 20px 28px;
  border-right: 1px solid rgba(255, 255, 255, .1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sc-item:last-child {
  border-right: none;
}

.sc-num {
  font-family: var(--font-sans);
  font-size: clamp(55px, 5.5vw, 79px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.07em;
  color: var(--color-white);
}

.sc-plus {
  font-size: .45em;
  font-weight: 400;
  vertical-align: super;
  color: var(--color-accent);
}

.sc-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-top: 14px;
}

.sc-desc {
  font-size: 11.5px;
  color: rgba(255, 255, 255, .28);
  margin-top: 5px;
  line-height: 1.5;
}

/* ============================================================
   BADGE / CERTIFICATION SECTION
============================================================ */
.badge-section {
  padding: 80px 0;
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.badge-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  text-align: center;
  transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur);
}

.badge-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .07);
  border-color: rgba(33, 72, 216, .3);
}

.badge-icon {
  width: 50px;
  height: 50px;
  background: rgba(33, 72, 216, .08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 23px;
}

.badge-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
  margin-bottom: 6px;
}

.badge-year {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--color-accent);
  margin-top: 4px;
}

.badge-desc {
  font-size: 11.5px;
  color: var(--color-gray);
  margin-top: 8px;
  line-height: 1.55;
}

/* ============================================================
   MINI QUOTE SECTION (인라인 빠른 문의)
============================================================ */
.mini-quote-section {
  background: var(--color-bg);
  padding: 88px 0;
  border-top: 1px solid var(--color-gray-light);
}

.mini-quote-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.mini-quote-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(29px, 3vw, 41px);
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -0.05em;
}

.mini-quote-text p {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 28px;
}

.mq-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mq-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 17px;
  color: var(--color-gray);
}

.mq-channel-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.mq-channel strong {
  color: var(--color-dark);
}

.mq-channel a {
  color: var(--color-accent);
}

.mini-quote-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--color-gray-light);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .05);
}

.mini-quote-form h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.05em;
}

.mq-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.mq-field {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 17px;
  color: var(--color-dark);
  background: var(--color-bg);
  outline: none;
  transition: border-color var(--dur), background var(--dur);
}

.mq-field:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
}

.mq-field::placeholder {
  color: var(--color-gray);
  font-size: 12.5px;
}

.mq-select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 17px;
  color: var(--color-dark);
  background: var(--color-bg);
  margin-bottom: 12px;
  outline: none;
  transition: border-color var(--dur);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.mq-select:focus {
  border-color: var(--color-accent);
}

.mq-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans-kr);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur), transform .15s;
  margin-top: 4px;
  letter-spacing: -0.04em;
}

.mq-submit:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.mq-privacy {
  font-size: 15px;
  color: var(--color-gray);
  text-align: center;
  margin-top: 10px;
  line-height: 1.6;
}

/* ============================================================
   FLOATING CTA
============================================================ */
.floating-cta {
  position: fixed;
  right: 28px;
  bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 500;
}

.fcta-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .22);
  transition: transform var(--dur), box-shadow var(--dur);
  text-decoration: none;
  position: relative;
  font-size: 23px;
  line-height: 1;
}

.fcta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .3);
}

.fcta-btn::after {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur);
  letter-spacing: -0.04em;
}

.fcta-btn:hover::after {
  opacity: 1;
}

.fcta-phone {
  background: var(--color-dark);
  color: #fff;
}

.fcta-quote {
  background: var(--color-accent);
  color: #fff;
}

.fcta-top {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  color: var(--color-gray);
  font-size: 19px;
}

/* ── 반응형 ── */
@media (max-width: 768px) {
  .sc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-item {
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .sc-item:nth-child(even) {
    border-right: none;
  }

  .sc-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

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

  .mini-quote-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .mq-row {
    grid-template-columns: 1fr;
  }

  .floating-cta {
    right: 16px;
    bottom: 20px;
  }

  .fcta-btn {
    width: 48px;
    height: 48px;
    font-size: 21px;
  }

  .fcta-btn::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-num {
    font-size: 45px;
  }

  .mini-quote-form {
    padding: 28px 22px;
  }
}

.sf-arrow {
  font-size: 25px;
  font-weight: 300;
  color: var(--color-gray);
}

@media (max-width: 768px) {
  .biz-detail-row {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 40px 0;
  }

  .bdr-num {
    font-size: 39px;
  }

  .bdr-title {
    font-size: 27px;
  }

  .bdr-services {
    grid-template-columns: 1fr;
  }

  .synergy-flow {
    flex-direction: column;
  }

  .sf-arrow {
    transform: rotate(90deg);
  }

  .sf-step {
    width: 100%;
  }
}


/* ============================================================
   GLASSMORPHISM — 버튼 & 박스 유리 효과
   backdrop-filter blur + 반투명 배경 + 인셋 하이라이트
============================================================ */

/* 섹션 배경 그라디언트: blur 가시화 */
.why-onop {
  background: linear-gradient(155deg, #eef2ff 0%, #fafaf8 40%, #f0f5ff 100%);
}

.badge-section {
  background: linear-gradient(135deg, #f5f7ff 0%, #fafaf8 50%, #edf2ff 100%);
}

.domains-preview-section {
  background: linear-gradient(160deg, #fafaf8 0%, #f0f4ff 55%, #fafaf8 100%);
}

.mini-quote-section {
  background: linear-gradient(155deg, #f5f7ff 0%, #fafaf8 50%, #eef3ff 100%);
}

/* ── 기본 btn (primary) ── */
.btn-primary {
  background: rgba(33, 72, 216, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(100, 145, 255, 0.55);
  box-shadow:
    0 4px 20px rgba(33, 72, 216, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-primary:hover {
  background: rgba(24, 56, 184, 0.94);
  border-color: rgba(80, 130, 255, 0.65);
  box-shadow:
    0 8px 32px rgba(33, 72, 216, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

/* ── outline (밝은 배경용) ── */
.btn-outline {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(17, 17, 17, 0.22);
  box-shadow:
    0 2px 14px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.btn-outline:hover {
  background: rgba(17, 17, 17, 0.9);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
}

/* ── outline-light (어두운 배경용) ── */
.btn-outline-light {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 2px 14px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow:
    0 6px 24px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* ── 히어로 내 outline 재정의 ── */
.hero-v2 .btn-outline {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow:
    0 2px 14px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.hero-v2 .btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow:
    0 6px 24px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ── 헤더 버튼 ── */
.btn-brochure {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.site-header .btn-brochure {
  background: rgba(255, 255, 255, 0.07);
}

.site-header .btn-quote {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 2px 14px rgba(33, 72, 216, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ── 빠른 문의 제출 버튼 ── */
.mq-submit {
  background: rgba(33, 72, 216, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(100, 145, 255, 0.45);
  box-shadow:
    0 4px 20px rgba(33, 72, 216, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.mq-submit:hover {
  background: rgba(24, 56, 184, 0.94);
  box-shadow:
    0 8px 32px rgba(33, 72, 216, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

/* ── WHY ONOP 카드 ── */
.why-card {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ── 인증/배지 카드 ── */
.badge-item {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}

.badge-item:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

.badge-icon {
  background: rgba(33, 72, 216, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(33, 72, 216, 0.15);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* ── 사업분야 미니 카드 ── */
.domain-mini {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}

.domain-mini:hover {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(33, 72, 216, 0.35);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ── 프로세스 번호 원 ── */
.ps-num {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 2px 14px rgba(33, 72, 216, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

.process-step:hover .ps-num {
  background: rgba(33, 72, 216, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 4px 20px rgba(33, 72, 216, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ── 빠른 문의 폼 박스 ── */
.mini-quote-form {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 16px 56px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.98);
}

/* ── 문의 채널 아이콘 ── */
.mq-channel-icon {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 2px 10px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ── 히어로 불릿 박스 ── */
.hero-v2-bullets {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ── 히어로 피처 카드 ── */
.hero-feature-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-feature-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow:
    0 14px 44px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

/* ── 드롭다운 메뉴 ── */
.dropdown {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

.site-header.scrolled .dropdown {
  background: rgba(10, 14, 36, 0.9);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* ── 로고 캐러셀 아이템 ── */
.logo-item {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 2px 12px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ── 플로팅 CTA 버튼 ── */
.fcta-btn {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.fcta-phone {
  background: rgba(17, 17, 17, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 4px 22px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.fcta-quote {
  background: rgba(33, 72, 216, 0.9);
  border: 1px solid rgba(100, 145, 255, 0.35);
  box-shadow:
    0 4px 22px rgba(33, 72, 216, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.fcta-top {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ============================================================
   RESPONSIVE 보완 — 누락 미디어쿼리 일괄 추가
   (기존 블록에 없는 컴포넌트/폰트/패딩 보정)
============================================================ */

/* ── 1024px 보완 ── */
@media (max-width: 1024px) {
  /* 사업분야 서비스 그리드 다이어그램 */
  .biz-grid-diagram {
    grid-template-columns: 1fr 1fr; /* 태블릿에서 2열 유지 */
  }
  /* hv2 stat 카드 여백 축소 */
  .hv2-stat-card {
    padding: 24px 28px;
  }
  /* biz-sub-hero 폰트 */
  .biz-sub-hero p { font-size: 17px; }
  .biz-sub-tagline { font-size: clamp(18px, 2vw, 22px); }
}

/* ── 768px 보완 ── */
@media (max-width: 768px) {
  /* 히어로 피처 그리드 → 1열 */
  .hero-feature-grid {
    grid-template-columns: 1fr;
  }
  /* 사업분야 서비스 그리드 다이어그램 → 1열 */
  .biz-grid-diagram {
    grid-template-columns: 1fr;
  }
  /* biz-sub-hero */
  .biz-sub-hero h1 { font-size: clamp(27px, 7vw, 39px); }
  .biz-sub-hero p { font-size: 16px; }
  .biz-sub-tagline { font-size: 18px; }
  /* domain nav 탭 */
  .domain-tab { padding: 13px 16px; font-size: 16px; }
  /* domain hub card 패딩 */
  .domain-hub-card { padding: 28px 22px; }
  /* HV2 stat num */
  .hv2-stat-num { font-size: 41px; }
  .hv2-stat-card { padding: 22px 22px; }
  /* process grid → 1열 (2열은 너무 좁음) */
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  /* trust label */
  .trust-label { font-size: 12px; }
  /* biz-detail-row 패딩 */
  .biz-detail-row { padding: 36px 0; }
  /* contact form row */
  .contact-form-row { grid-template-columns: 1fr; }
}

/* ── 480px 보완 ── */
@media (max-width: 480px) {
  /* 프로세스 → 1열 */
  .process-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  /* 사업분야 상세 (business.html) */
  .biz-detail-section { padding-top: 48px; padding-bottom: 48px; }
  .bdr-num { font-size: 31px; }
  .bdr-title { font-size: 23px; }
  .bdr-desc { font-size: 16px; }
  .bdr-services li { font-size: 12.5px; }
  /* 사업분야 서브 히어로 */
  .biz-sub-hero h1 { font-size: 25px; }
  .biz-sub-hero p { font-size: 15px; }
  .biz-sub-tagline { font-size: 17px; }
  .biz-sub-hero { padding: 36px 0 32px; }
  /* 사업분야 서브 탭 */
  .domain-tab { padding: 11px 13px; font-size: 14px; }
  .domain-tab-num { font-size: 12px; }
  /* 도메인 허브 카드 */
  .domain-hub-card h3 { font-size: 19px; }
  .domain-hub-card p { font-size: 12.5px; }
  .domain-hub-card { padding: 24px 18px; }
  /* WHY 카드 */
  .why-card { padding: 26px 18px; }
  .why-card h3 { font-size: 19px; }
  .why-card p { font-size: 12.5px; }
  /* HV2 stat card */
  .hv2-stat-card { padding: 20px 18px; }
  .hv2-stat-num { font-size: 35px; }
  .hv2-stat-label { font-size: 15px; }
  .hv2-stat-sub { font-size: 13px; }
  /* process step */
  .ps-num { width: 60px; height: 60px; font-size: 21px; }
  .process-step h4 { font-size: 17px; }
  .process-step p { font-size: 12px; }
  /* biz-detail-row 추가 */
  .biz-detail-row { padding: 28px 0; gap: 12px; }
  /* 서비스 버튼 */
  .service-btn { font-size: 15px; padding: 9px 18px; }
  /* CTA 배너 */
  .cta-text h2 { font-size: 21px; }
  .cta-text p { font-size: 16px; }
  /* stats counter */
  .sc-label { font-size: 12px; letter-spacing: .09em; }
  .sc-desc { font-size: 11px; }
  /* badge section */
  .badge-title { font-size: 15px; }
  .badge-desc { font-size: 11px; }
  /* mini quote */
  .mini-quote-text h2 { font-size: clamp(23px, 6vw, 31px); }
  .mini-quote-text p { font-size: 16px; }
  .mini-quote-form h3 { font-size: 18px; }
  /* 페이지 히어로 */
  .page-hero p { font-size: 16px; }
}

/* ── 360px 보완 ── */
@media (max-width: 360px) {
  /* 사업분야 */
  .bdr-num { font-size: 27px; }
  .bdr-title { font-size: 19px; }
  .biz-detail-row { gap: 10px; }
  /* domain hub card */
  .domain-hub-card h3 { font-size: 17px; }
  .domain-hub-card { padding: 20px 14px; }
  /* WHY 카드 */
  .why-card h3 { font-size: 17px; }
  /* HV2 stat */
  .hv2-stat-num { font-size: 29px; }
  /* domain tab */
  .domain-tab { padding: 10px 10px; font-size: 13px; }
  /* biz-sub-hero */
  .biz-sub-hero h1 { font-size: 23px; }
  .biz-sub-tagline { font-size: 15px; }
  /* process */
  .ps-num { width: 52px; height: 52px; font-size: 19px; }
}