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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: #fff;
  overflow-x: hidden;
}

body * {
  font-family: 'NanumBarunGothic', sans-serif;
  color: #000;
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

.inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

body.no-scroll {
  overflow: hidden;
}

/* ===== 스크롤 애니메이션 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.delay-1 {
  transition-delay: .1s;
}

.delay-2 {
  transition-delay: .2s;
}

.delay-3 {
  transition-delay: .3s;
}

.delay-4 {
  transition-delay: .4s;
}

/* ===== 원형 테두리 배경 (섹션별 absolute) ===== */
.animated-circles {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.circle-outline {
  position: absolute;
  border-radius: 50%;
  border: 2px solid;
  background: transparent;
  pointer-events: none;
}

.circle-outline--1 {
  width: 700px;
  height: 700px;
  border-color: #d5f2fb;
  animation: circleFloat1 8s ease-in-out infinite, circlePulse1 5s ease-in-out infinite;
}

.circle-outline--2 {
  width: 700px;
  height: 700px;
  border-color: #cdd4e0;
  animation: circleFloat2 9s ease-in-out infinite, circlePulse2 6s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes circleFloat1 {
  0%, 100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(-36px) scale(1.08);;
  }
}

@keyframes circleFloat2 {
  0%, 100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(28px) scale(0.92);
  }
}

@keyframes circlePulse1 {
  0%, 100% {
    border-color: rgba(180, 210, 205, 0.55);
  }
  50% {
    border-color: rgba(180, 210, 205, 0.15);
  }
}

@keyframes circlePulse2 {
  0%, 100% {
    border-color: rgba(180, 210, 205, 0.35);
  }
  50% {
    border-color: rgba(180, 210, 205, 0.65);
  }
}

/* ===== Header ===== */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: #fff;
  transition: background .3s, box-shadow .3s;
}

.header.is-fixed {
  position: fixed;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(10px);
}

.header__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
  padding: 0 40px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 2px;
}

.header__logo img {
  display: block;
  width: 170px;
}

.header__logo-one {
  font-size: 24px;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.5px;
}

.header__logo-by {
  font-size: 24px;
  font-weight: 800;
  color: #4CB8D1;
  letter-spacing: -0.5px;
}

.header__nav {
  display: flex;
  gap: 32px;
}

.header__nav a {
  font-size: 15px;
  font-weight: 500;
  color: #000;
  transition: color .2s;
}

.header__nav a:hover {
  color: #2bbfed;
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.header__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #000;
  transition: transform .3s, opacity .3s;
}

.header__burger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__burger.is-active span:nth-child(2) {
  opacity: 0;
}

.header__burger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 70%;
  max-width: 320px;
  height: 100vh;
  background: #fff;
  z-index: 150;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0;
  padding: 80px 32px 40px;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4, 0, .2, 1);
  display: flex;
}

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

.mobile-nav a {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  padding: 16px 0;
  border-bottom: 1px solid #f0f0f0;
  width: 100%;
}

/* 모바일 네비 오버레이 */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0);
  z-index: 140;
  pointer-events: none;
  transition: background .35s ease;
}

.mobile-nav-overlay.is-open {
  background: rgba(0, 0, 0, 0.45);
  pointer-events: auto;
}

/* 닫기 버튼 */
.mobile-nav__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-nav__close::before, .mobile-nav__close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 2px;
  background: #333;
  transform-origin: center;
}

.mobile-nav__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.mobile-nav__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

@media (max-width: 768px) {
  .header__logo img {
    width: 140px;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 85px 0 0;
  background: #F3F3F3;
  text-align: center;
  overflow: hidden;
}

.hero .inner {
  position: relative;
  padding: 0;
}

.hero__text {
  width: 100%;
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  animation: heroFadeUp 0.8s ease 0.3s forwards;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.hero__sub {
  font-size: 42px;
  font-weight: 200;
}

.hero__title {
  font-size: 43px;
  font-weight: 600;
  margin-top: -15px;
}

.hero__title span {
  color: #2BBFED;
}

.hero__image {
  position: relative;
  z-index: 1;
  max-width: 100%;
  margin: 0 auto;
}

.hero__image img {
  width: 100%;
}

.hero__azu {
  position: absolute;
  left: 10%;
  bottom: 1%;
  z-index: 3;
  opacity: 0;
  transform: translateX(-60px);
  animation: azuFadeIn 0.8s ease 1.2s forwards;
}

.hero__azu img {
  width: 120px;
  height: auto;
}

@keyframes azuFadeIn {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .hero__azu img {
    width: 80px;
  }

  .hero__azu {
    left: 3%;
    bottom: 5%;
  }
}

.bo_v_btn_wrap a{background: #000;color:#fff;padding:10px 15px;}

/* ===== Our Promise ===== */
.promise {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: #fff;
}

.promise .animated-circles .circle-outline--1 {
  top: 130px;
  right: -295px;
}

.promise .animated-circles .circle-outline--2 {
  top: 185px;
  right: -150px;
}

.promise__wrap {
  padding-left: 100px;
  display: grid;
  grid-template-columns: 38% 62%;
  height: 890px;
}

.promise__image {
  position: relative;
  z-index: 1;
  height: 890px;
  overflow: hidden;
}

.promise__image img {
  height: 100%;
  width: auto;
  object-fit: contain;
  object-position: left top;
  display: block;
}

.promise__content {
  margin-top: -195px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 0 40px 40px;
}

/* 타이틀만 왼쪽으로 빠져나가서 이미지와 겹침 */
.promise__label {
  font-size: 52px;
  font-weight: 600;
  color: #000;
  margin-bottom: 28px;
  margin-left: -120px;
  line-height: 1.1;
}

.promise__tagline {
  font-size: 20px;
  font-weight: 700;
  color: #333;
  margin-bottom: 20px;
  line-height: 1.5;
}

.promise__desc {
  font-size: 16px;
  color: #888;
  line-height: 1.8;
  margin-bottom: 16px;
}

.promise__desc span {
  font-style: normal;
  color: #4CB8D1;
  font-weight: 600;
}

.promise__arrow {
  display: inline-block;
  margin-top: 12px;
}

.promise__arrow img {
  width: 40px;
  height: auto;
  transition: transform .2s;
}

.promise__arrow:hover img {
  transform: translateX(6px);
}

/* Promise 순차 애니메이션 */
.promise__image,
.promise__label,
.promise__tagline,
.promise__desc,
.promise__arrow {
  opacity: 0;
}

.promise__wrap.is-animate .promise__image {
  animation: promiseSeqIn 0.7s ease 0.2s both;
}

.promise__wrap.is-animate .promise__label {
  animation: promiseSeqIn 0.7s ease 0.6s both;
}

.promise__wrap.is-animate .promise__tagline {
  animation: promiseSeqIn 0.7s ease 1.0s both;
}

.promise__wrap.is-animate .promise__desc {
  animation: promiseSeqIn 0.7s ease 1.4s both;
}

.promise__wrap.is-animate .promise__desc:nth-of-type(3) {
  animation: promiseSeqIn 0.7s ease 1.7s both;
}

.promise__wrap.is-animate .promise__arrow {
  animation: promiseSeqIn 0.7s ease 2.0s both;
}

@keyframes promiseSeqIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .promise__wrap {
    padding-left: 0;
    grid-template-columns:1fr;
    height: auto;
    min-height: auto;
  }

  .promise__image {
    width: 65%;
    height: auto;
  }

  .promise__image img {
    height: auto;
    object-fit: contain;
  }

  .promise__content {
    position: relative;
    top: 20px;
    left: 15%;
    transform: none;
    width: calc(100% - 15%);
    padding: 0;
    margin-top: -40px;
  }

  .promise__label {
    margin-left: 0;
    margin-top: -7px;
    font-size: 55px;
    margin-bottom: 20px;
  }

  .promise__tagline,
  .promise__desc {
    font-size: 15px;
  }

  .promise {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .promise {
    padding: 60px 0;
  }

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

  .promise__images img:first-child {
    height: 200px;
  }

  .promise__images img:last-child {
    height: 160px;
  }

  .promise__label {
    margin-left: 0;
    margin-top: -26px;
    font-size: 45px;
  }

  .promise__tagline,
  .promise__desc {
    font-size: 14px;
  }
}

@media (max-width: 400px) {
  .promise__label {
    margin-left: 0;
    margin-top: -20px;
    font-size: 35px;
  }

  .promise__tagline,
  .promise__desc {
    font-size: 13px;
  }
}

/* ===== Service ===== */
.service {
  position: relative;
  padding: 80px 0 90px;
  background: #022765;
  overflow: hidden;
}

.service .animated-circles .circle-outline--1 {
  top: 50%;
  left: -200px;
  border-color: rgba(100, 140, 180, 0.2);
  animation: circleFloat1 8s ease-in-out infinite, svcPulse1 5s ease-in-out infinite;
}

.service .animated-circles .circle-outline--2 {
  top: 55%;
  left: -100px;
  border-color: rgba(100, 140, 180, 0.15);
  animation: circleFloat2 9s ease-in-out infinite, svcPulse2 6s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes svcPulse1 {
  0%, 100% {
    border-color: rgba(100, 140, 180, 0.25);
  }
  50% {
    border-color: rgba(100, 140, 180, 0.08);
  }
}

@keyframes svcPulse2 {
  0%, 100% {
    border-color: rgba(100, 140, 180, 0.15);
  }
  50% {
    border-color: rgba(100, 140, 180, 0.30);
  }
}

.service__header {
  position: relative;
  z-index: 2;
  margin-bottom: 44px;
}

.service__title {
  font-size: 52px;
  font-weight: 700;
  color: #fff;
}

.service__sub {
  font-size: 20px;
  color: #fff;
  margin-top: -10px;
}

.service__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
  max-width: 80%;
  margin-left: auto;
}

.service__card--wide {
  overflow: hidden;
  position: relative;
  aspect-ratio: 1/1;
  transition: transform .3s, box-shadow .3s;
  cursor: pointer;
}

.service__card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.service__card-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform .4s ease;
}

.service__card--wide:hover .service__card-bg img {
  transform: scale(1.06);
}

.service__card-info {
  width: 45%;
  padding: 0 10px;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 2;
}

.service__card-info h3 {
  font-size: min(1.5vw, 22px);
  font-weight: 500;
  color: #000;
  line-height: 1.4;
  margin-bottom: 8px;
}

.service__card-info p {
  font-size: min(1.6vw, 24px);
  color: #4CB8D1;
  font-weight: 500;
  margin-bottom: 20px;
}

.service__card-link {
  display: inline-block;
  transition: transform .2s;
}

.service__card-link img {
  width: 45px;
  height: auto;
}

.service__card-link:hover {
  transform: translateX(6px);
}

/* 서비스 카드 순차 fade */
.service__card--wide {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow .3s;
}

.service__card--wide.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 호버 시 is-visible 상태에서 transform 유지 */
.service__card--wide.is-visible:hover {
  transform: translateY(0);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .service__title {
    font-size: 50px;
  }

  .service__sub {
    font-size: 18px;
  }

  .service__grid {
    max-width: 100%;
    margin-left: 25%;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service__card-info h3 {
    font-size: 2.9vw;
  }

  .service__card-info p {
    font-size: 3.1vw;
  }

  .service__card-link img {
    width: 35px;
  }
}

@media (max-width: 480px) {
  .service__title {
    font-size: 36px;
  }

  .service__sub {
    font-size: 15px;
  }

  .service__grid {
    margin-left: 10%;
  }
}

/* ===== AI Tech + ESG 원형배경 래퍼 ===== */
.aitech-esg-wrap {
  position: relative;
  background: #fff;
  overflow: hidden;
}

.aitech-esg-wrap > .animated-circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.aitech-esg-wrap .animated-circles .circle-outline--1 {
  top: 50%;
  right: -100px;
  margin-top: -300px;
}

.aitech-esg-wrap .animated-circles .circle-outline--2 {
  top: 50%;
  right: 0px;
  margin-top: -180px;
}

/* ===== AI Tech ===== */
.aitech {
  position: relative;
  padding: 100px 0 60px;
  background: transparent;
  z-index: 2;
}

.aitech .inner {
  position: relative;
  z-index: 3;
}

.aitech__header {
  text-align: center;
  margin-bottom: 52px;
}

.aitech__title {
  font-size: 52px;
  font-weight: 800;
  color: #000;
  margin-bottom: 5px;
  letter-spacing: 2px;
}

.aitech__subtitle {
  font-size: 24px;
  color: #333;
  font-weight: 500;
}

.aitech__desc {
  font-size: 16px;
  font-weight: 300;
  color: #999;
}

.aitech__desc span {
  color: #4CB8D1;
  font-weight: 300;
}

/* ===== AI Tech 그리드 ===== */
.aitech__grid {
  display: flex;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.aitech__card {
  flex: 1;
  background: #F5F5F5;
  padding: 40px 28px;
  display: flex;
  flex-direction: column;
  transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

/* 아이콘 */
.aitech__card .aitech__card-icon {
  width: 140px;
  height: 140px;
  margin-bottom: 24px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.aitech__card .aitech__card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 제목 */
.aitech__card h3 {
  font-size: 22px;
  font-weight: 500;
  color: #000;
  line-height: 1.4;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease 0.05s, transform 0.3s ease 0.05s;
}

.aitech__card h3 span {
  color: #4CB8D1;
  font-weight: 500;
  display: block;
  font-size: 22px;
  margin-top: 40px;
  transition: margin-top 0.4s ease;
}

/* 상세 내용 (기본 숨김) */
.aitech__card-detail {
  margin-top: 20px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-height 0.4s ease;
}

.aitech__card-desc {
  font-size: 15px;
  color: #888;
  line-height: 1.7;
  margin-bottom: 20px;
}

.aitech__card-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.aitech__card-list li {
  font-size: 15px;
  color: #888;
  line-height: 2;
}

.aitech__card-link {
  display: inline-block;
  margin-top: auto;
  transition: transform 0.2s;
}

.aitech__card-link img {
  width: 36px;
  height: auto;
}

.aitech__card-link:hover {
  transform: translateX(6px);
}

/* ===== 활성 상태 ===== */
.aitech__grid.has-active .aitech__card.is-active {
  flex: 3;
}

.aitech__grid.has-active .aitech__card:not(.is-active) {
  flex: 1;
}

/* 활성 카드: 상세 내용 표시 */
.aitech__card.is-active .aitech__card-detail {
  opacity: 1;
  max-height: 400px;
}

/* 활성 카드: span 간격 줄이기 */
.aitech__card.is-active h3 span {
  margin-top: 4px;
}

/* 비활성 카드: 아이콘, h3 보임 유지 */
.aitech__grid.has-active .aitech__card:not(.is-active) .aitech__card-icon {
  opacity: 1;
  transform: translateY(0);
}

.aitech__grid.has-active .aitech__card:not(.is-active) h3 {
  opacity: 1;
  transform: translateY(0);
}

/* 비활성 카드: h3 span 간격 벌리기 */
.aitech__card:not(.is-active) h3 span {
  margin-top: 40px;
}

/* 비활성 카드: detail 숨김 */
.aitech__grid.has-active .aitech__card:not(.is-active) .aitech__card-detail {
  opacity: 0;
  max-height: 0;
}

/* 활성 카드: 순차 페이드인 */
.aitech__card.is-active .aitech__card-icon {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

.aitech__card.is-active h3 {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
}

.aitech__card.is-active .aitech__card-detail {
  transition: opacity 0.4s ease 0.35s, max-height 0.5s ease 0.15s;
}

/* 초기 로딩 시퀀스 */
/* 초기 로딩: 모든 카드 공통 */
.aitech__grid.is-initial .aitech__card .aitech__card-icon {
  animation: aitechSeqIn 0.5s ease 0.1s both;
}

.aitech__grid.is-initial .aitech__card h3 {
  animation: aitechSeqIn 0.5s ease 0.3s both;
}

/* 활성 카드만 추가 */
.aitech__grid.is-initial .aitech__card.is-active .aitech__card-desc {
  animation: aitechSeqIn 0.5s ease 0.5s both;
}

.aitech__grid.is-initial .aitech__card.is-active .aitech__card-list {
  animation: aitechSeqIn 0.5s ease 0.7s both;
}

.aitech__grid.is-initial .aitech__card.is-active .aitech__card-link {
  animation: aitechSeqIn 0.5s ease 0.9s both;
}

@keyframes aitechSeqIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 반응형 ===== */
@media (max-width: 768px) {
  .aitech__title {
    font-size: 36px;
  }

  .aitech__subtitle {
    font-size: 20px;
  }

  .aitech__desc {
    font-size: 14px;
  }

  .aitech__grid {
    flex-direction: column;
    gap: 16px;
  }

  .aitech__card {
    flex: none !important;
    padding: 32px 24px;
  }

  .aitech__card h3 {
    font-size: 20px;
  }

  .aitech__card h3 span {
    font-size: 20px;
    margin-top: 20px;
  }

  .aitech__card-desc,
  .aitech__card-list li {
    font-size: 14px;
  }

  .aitech__grid.has-active .aitech__card:not(.is-active) .aitech__card-icon,
  .aitech__grid.has-active .aitech__card:not(.is-active) h3 {
    opacity: 1;
    transform: translateY(0);
  }

  .aitech__card.is-active h3 span {
    margin-top: 4px;
  }
}

@media (max-width: 400px) {
  .aitech__title {
    font-size: 28px;
  }

  .aitech__subtitle {
    font-size: 16px;
  }

  .aitech__desc {
    font-size: 12px;
  }

  .aitech__card h3 {
    font-size: 18px;
  }

  .aitech__card h3 span {
    font-size: 18px;
  }

  .aitech__card .aitech__card-icon {
    width: 100px;
    height: 100px;
  }
}

/* ===== ESG ===== */
.esg {
  position: relative;
  padding: 80px 0 100px;
  background: transparent;
  z-index: 2;
}

.esg .inner {
  position: relative;
  z-index: 3;
  max-width: 950px;
}

.esg__header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 48px;
  margin-left: -170px;
}

.esg__icon {
  width: 150px;
  margin-top: -65px;
  flex-shrink: 0;
}

.esg__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.esg__title {
  font-size: 52px;
  font-weight: 800;
  color: #000;
  letter-spacing: 2px;
}

.esg__tagline {
  font-size: 24px;
  font-weight: 500;
  color: #000;
  line-height: 1;
}

.esg__tagline span {
  color: #4CB8D1;
  font-weight: 500;
}

/* 아이템 */
.esg__items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.esg__item {
  padding: 36px 0;
}

.esg__item:not(:last-child) {
  border-bottom: 1px solid #e0e0e0;
}

.esg__item-label {
  font-size: 24px;
  font-weight: 500;
  color: #0B2866;
}

.esg__item-title {
  font-size: 24px;
  font-weight: 500;
  color: #000;
  margin-top: -5px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.esg__item-desc {
  font-size: 19px;
  color: #9D9D9D;
  line-height: 1.2;
}

@media (max-width: 1100px) {
  .esg__header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    margin-left: 0;
  }

  .esg__icon {
    width: 200px;
  }

  .esg__title {
    font-size: 55px;
  }

  .esg__tagline {
    font-size: 16px;
  }

  .esg__item-title {
    font-size: 18px;
  }

  .esg {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .esg__icon {
    width: 150px;
  }

  .esg__title {
    font-size: 40px;
  }

  .esg__item-label {
    font-size: 20px;
  }

  .esg__item-title {
    font-size: 20px;
  }

  .esg__item-desc {
    font-size: 16px;
  }
}

/* ===== Insights ===== */
.insights {
  position: relative;
  padding: 80px 0 100px;
  background: #2BBFEE;
}

.insights__header {
  text-align: center;
  margin-bottom: 32px;
}

.insights__title {
  font-size: 52px;
  font-weight: 600;
  color: #111;
}

.insights__grid-wrap {
  max-width: 960px;
  margin: 0 auto;
}

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

/* 카드 */
.insights__card {
  background: #fff;
  text-decoration: none;
  transition: transform .3s, box-shadow .3s;
  cursor: pointer;
}

/* 썸네일 */
.insights__card-thumb {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: #d5d5d5;
  overflow: hidden;
}

.insights__card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}

.insights__card:hover .insights__card-thumb img {
  transform: scale(1.06);
}

/* 본문 */
.insights__card-body {
  padding: 16px 18px;
  border-top: 1px solid #eee;

}

.insights__card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: #2BBFEE;
  color: #fff;
  font-size: 17px;
  font-weight: 300;
  margin-bottom: 15px;
}

.insights__card-title {
  font-size: 18px;
  font-weight: 500;
  color: #000;
  line-height: 1.5;
  margin-bottom: 15px;
  max-height: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  word-break: break-word;
}

.insights__card-desc {
  font-size: 18px;
  color: #aaa;
  line-height: 1.5;
  margin-bottom: 25px;
  max-height: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  word-break: break-word;
}

@media (max-width: 850px) {
  .insights__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .insights__card-tag {
    font-size: 15px;
  }

  .insights__card-title,
  .insights__card-desc {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .insights__title {
    font-size: 36px;
  }
}

@media (max-width: 500px) {
  .insights__grid {
    grid-template-columns: 1fr;
  }

  .insights__card-tag {
    font-size: 13px;
  }

  .insights__card-title,
  .insights__card-desc {
    font-size: 14px;
  }
}

@media (max-width: 400px) {
  .insights__title {
    font-size: 28px;
  }
}

/* ===== Partners ===== */
.partners {
  position: relative;
  padding: 80px 0 100px;
  background: #fff;
  overflow: hidden;
}

.partners__header {
  text-align: center;
  margin-bottom: 40px;
}

.partners__title {
  font-size: 52px;
  font-weight: 600;
  color: #000;
  margin-bottom: 12px;
}

.partners__desc {
  font-size: 24px;
  color: #888;
  line-height: 1.7;
}

.partners__desc strong {
  color: #4CB8D1;
  font-weight: 600;
}

.partners__grid {
  display: grid;
  grid-template-columns:repeat(3, 1fr);
  gap: 14px;
  max-width: 700px;
  margin: 0 auto;
}

.partners__logo {
  background: #fff;
  border: 1px solid #e0e0e0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #ccc;
  transition: border-color .3s;
}

.partners__logo:hover {
  border-color: #4CB8D1;
}

.partners__arrow {
  display: inline-block;
  margin-top: 12px;
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 60px;
}

.partners__arrow img {
  width: 50px;
  height: auto;
  transition: transform .2s;
}

.partners__arrow img:hover {
  transform: translateX(6px);
}

@media (max-width: 768px) {
  .partners__title {
    font-size: 36px;
  }

  .partners__desc {
    font-size: 20px;
  }
}

@media (max-width: 400px) {
  .partners__title {
    font-size: 28px;
  }

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

/* ===== Footer ===== */
.footer {
  background: #fff;
  border-top: 1px solid #eee;
  padding: 36px 0 28px;
}

.footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer__logo {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer__info {
  font-size: 12px;
  color: #999;
  line-height: 1.9;
}

/* ===== 반응형 ===== */
@media (max-width: 1024px) {
  .hero__sub {
    font-size: 38px;
  }

  .hero__title {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .inner {
    padding: 0 20px;
  }

  .header__inner {
    padding: 0 20px;
  }

  .header__nav {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .hero {
    padding: 80px 0 40px;
  }

  .hero__sub {
    font-size: 42px;
    font-weight: 200;
  }

  .hero__title {
    font-size: 43px;
    font-weight: 600;
  }

  .service, .aitech, .esg, .insights, .partners {
    padding: 60px 0;
  }

  .service__grid, .aitech__grid {
    grid-template-columns:1fr;
    gap: 16px;
  }

  .insights__grid {
    grid-template-columns:repeat(2, 1fr);
    gap: 12px;
  }

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

  .circle-outline--1, .circle-outline--2 {
    width: 600px !important;
    height: 600px !important;
  }

  .esg__tagline {
    font-size: 17px;
  }

  .aitech__card {
    min-height: auto;
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  .hero__sub {
    font-size: 32px;
  }

  .hero__title {
    font-size: 32px;
    margin-top: -10px;
  }

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

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

  .insights__tab {
    padding: 6px 14px;
    font-size: 12px;
  }

  .circle-outline--1, .circle-outline--2 {
    width: 480px !important;
    height: 480px !important;
  }
}

.oneby-container {
  padding: 100px 0;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.oneby-container h2 {
  font-size: 32px;
  font-weight: 800;
  color: #000;
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 1px;
}