@charset "utf-8";

:root {
  /* Color */
  --color-Keppel200: #a3ece2;
  --color-Keppel300: #6cdcd0;
  --color-Keppel400: #37b0a7;
  --color-Keppel600: #1b8682;
  --color-neutral050: #f9fafb;
  --color-neutral100: #f2f4f7;
  --color-neutral200: #e4e7ec;
  --color-neutral400: #98a2b3;
  --color-neutral600: #475467;
  --color-line: #e5e5ec;
  --color-black1: #111;
  --color-black2: #222;
  --color-white: #fff;

  /* Font Sizes */
  --fs-12: 1.2rem;
  --fs-13: 1.3rem;
  --fs-14: 1.4rem;
  --fs-16: 1.6rem;
  --fs-18: 1.8rem;
  --fs-20: 2rem;
  --fs-22: 2.2rem;
  --fs-24: 2.4rem;
  --fs-28: 2.8rem;
  --fs-30: 3rem;
  --fs-32: 3.2rem;
  --fs-34: 3.4rem;
  --fs-36: 3.6rem;
  --fs-40: 4rem;
  --fs-52: 5.2rem;
  --fs-60: 6rem;

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Line Heights */
  --lh-18: 1.8rem;
  --lh-20: 2rem;
  --lh-22: 2.2rem;
  --lh-24: 2.4rem;
  --lh-28: 2.8rem;
  --lh-32: 3.2rem;
  --lh-34: 3.4rem;
  --lh-36: 3.6rem;
  --lh-40: 4rem;
  --lh-44: 4.4rem;
  --lh-48: 4.8rem;
  --lh-52: 5.2rem;
  --lh-70: 7rem;
  --lh-80: 8rem;

  /* Spacing (Gap, Padding, Margin 공유용) */
  --space-4: 0.4rem;
  --space-6: 0.6rem;
  --space-8: 0.8rem;
  --space-10: 1rem;
  --space-12: 1.2rem;
  --space-16: 1.6rem;
  --space-17: 1.7rem;
  --space-20: 2rem;
  --space-24: 2.4rem;
  --space-30: 3rem;
  --space-32: 3.2rem;
  --space-34: 3.4rem;
  --space-40: 4rem;
  --space-42: 4.2rem;
  --space-44: 4.4rem;
  --space-46: 4.6rem;
  --space-48: 4.8rem;
  --space-50: 5rem;
  --space-56: 5.6rem;
  --space-60: 6rem;
  --space-70: 7rem;
  --space-80: 8rem;
  --space-90: 9rem;
  --space-95: 9.5rem;
  --space-100: 10rem;
  --space-120: 12rem;
  --space-130: 13rem;
  --space-140: 14rem;
  --space-150: 15rem;
  --space-170: 17rem;
  --space-184: 18.4rem;
  --space-200: 20rem;
  --space-204: 20.4rem;
  --space-220: 22rem;
  --space-250: 25rem;
  --space-330: 33rem;

  /* Layout */
  --container-width36: calc(100% - 40px);
  --container-width121: 121.4rem;
  --container-width128: 128rem;
  --container-width144: 144rem;
  --gap-4: 0.4rem;
  --gap-8: 0.8rem;
  --gap-10: 1rem;
  --gap-16: 1.6rem;
  --gap-20: 2rem;
  --gap-30: 3rem;
  --gap-36: 3.6rem;
  --gap-40: 4rem;
  --gap-46: 4.6rem;
  --gap-50: 5rem;
  --gap-60: 6rem;
  --gap-70: 7rem;
  --gap-90: 9rem;
  --gap-110: 11rem;

  /* UI Elements */
  --radius-4: 0.4rem;
  --radius-6: 0.6rem;
  --radius-8: 0.8rem;
  --radius-10: 1rem;
  --radius-12: 1.2rem;
  --radius-20: 2rem;
}

/* header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}
.header-inner {
  width: 100%;
  max-width: var(--container-width144);
  margin: 0 auto;
  padding: var(--space-42) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  height: 3.6rem;
}
.nav-menu ul {
  display: flex;
  gap: var(--gap-40);
}
.nav-menu a {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
}
.contact {
  width: 100%;
  padding: var(--space-8) var(--space-16);
  background: var(--color-Keppel400);
  border-radius: var(--radius-10);
}
.hamburger {
  display: none;
  font-size: var(--fs-24);
  cursor: pointer;
}

/* 모바일 메뉴 */
.mobile-menu {
  position: fixed;
  top: 0;
  left: -350px;
  width: 308px;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: left 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 9999;
  padding: var(--space-44) var(--space-34);
  text-align: center;
}
.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  padding: var(--space-20) 0;
}
.mobile-menu-spacer {
  width: 2.4rem;
  margin-right: auto;
}
.mobile-logo {
  height: 3rem;
}
.mobile-close {
  background: none;
  border: none;
  font-size: 2.8rem;
  color: var(--color-white);
  cursor: pointer;
  margin-left: auto;
}
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-30);
  margin-top: var(--space-30);
}

.mobile-menu a {
  display: block;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-28);
  transition: color 0.3s ease;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-white);
}
.mobile-menu .mb-contact {
  width: 100%;
  max-width: 24rem;
  color: var(--color-white);
  background: var(--color-Keppel400);
  border-radius: var(--radius-10);
  padding: 1.5rem 0;
  font-size: var(--fs-24);
  margin-top: auto;
}

/* 메뉴 활성화 */
.mobile-menu.active {
  left: 0;
  color: var(--color-white);
}
.page-title-mobile {
  display: none;
}

.header.scrolled {
  background: rgba(34, 34, 34, 0.2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

@media (max-width: 1440px) {
  .header-inner {
    padding: var(--space-32) var(--space-40);
  }
}
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  /* .header-inner {
    padding: var(--space-24) var(--space-12);
  } */
  .hamburger {
    display: block;
    position: absolute;
    left: 24px;
  }
  .logo-area {
    margin: 0 auto;
  }
  .page-title-mobile {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--fs-18);
    font-weight: var(--fw-semibold);
    color: var(--color-white);
    z-index: 10;
  }

  /* Light 테마용 */
  .page-title-mobile.light {
    color: var(--color-black);
  }
  /* Dark 테마용 */
  .page-title-mobile.dark {
    color: var(--color-white);
  }

  .page-title-mobile .logo {
    height: 2.8rem;
  }
  .logo-area {
    display: none;
  }
}

/* 라이트 테마: 전체 검정 */
.header.light .nav-menu a {
  color: var(--color-black);
}

/* Contact 버튼 흰색 유지 */
.header.light .nav-menu a.contact {
  color: var(--color-white);
}

/* footer */
.footer {
  background-color: var(--color-white);
  color: #505050;
  font-size: var(--fs-13);
  letter-spacing: -0.0325rem;
  line-height: var(--lh-18);
}
.footer-inner {
  max-width: var(--container-width144);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding: var(--space-32) 0;
}
.footer-info-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-70);
}
.footer-brand {
  font-size: 2.4rem;
  font-weight: var(--fw-semibold);
  line-height: var(--lh-34);
  letter-spacing: -0.06rem;
  color: var(--color-black1);
  margin-bottom: var(--space-12);
}

.footer-info-company p,
.footer-info-contact p {
  margin-bottom: 0.8rem;
}

/* 오른쪽 */
.footer-support {
  text-align: right;
  font-size: var(--fs-14);
  line-height: var(--lh-20);
  letter-spacing: -0.035rem;
}
.footer-phone {
  /* display: block; */
  font-size: var(--fs-24);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-34);
  letter-spacing: -0.06rem;
  margin-bottom: var(--space-6);
  color: var(--color-black1);
}
.footer-support p {
  margin-bottom: 1rem;
}
.footer-contact-btn {
  /* display: inline-block; */
  font-size: var(--fs-12);
  line-height: var(--lh-18);
  letter-spacing: -0.03rem;
  color: var(--color-black1);
  padding: var(--space-4) var(--space-8);
  border: 1px solid var(--color-line);
}
.br-mobile {
  display: none;
}
.pc-copyright {
  display: block;
}
.mo-copyright {
  display: none;
}
/* 반응형 - footer */
@media (max-width: 1440px) {
  .footer-inner {
    padding: var(--space-32) var(--space-40);
  }
}
@media (max-width: 940px) {
  .footer-inner {
    flex-direction: column-reverse;
    align-items: flex-start;
  }
  .footer-support {
    text-align: left;
    margin-bottom: var(--space-20);
  }
}
@media (max-width: 768px) {
  .footer-inner {
    padding: var(--space-32) var(--space-40);
    flex-direction: column-reverse;
    text-align: left;
    gap: var(--gap-40);
  }
  .footer-info-wrap {
    flex-direction: column;
    gap: 0;
  }
  .footer-support {
    text-align: left;
  }
  .footer-contact-btn {
    margin-top: 1rem;
  }
  .br-mobile {
    display: block;
  }
  .pc-copyright {
    display: none;
  }
  .mo-copyright {
    display: block;
  }
}

/* Advertise & Monetize section01 */
.admo-section01 {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url(/assets/images/bg_advertise.webp) no-repeat center/cover;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  color: var(--color-white);
}
.monetize-section01 {
  background: url(/assets/images/bg_monetize.webp) no-repeat center/cover;
}
.admo-visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 100vh;
  width: 100%;
}
.admo-visual .admo-title {
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-60);
  line-height: var(--lh-80);
  color: var(--color-white);
  margin-bottom: 4vw;
  text-align: center;
}
.admo-title .sub-tit {
  font-weight: var(--fw-bold);
  font-size: var(--fs-22);
  line-height: var(--lh-24);
  margin-top: var(--space-30);
}
.empty-area {
  background-color: var(--color-white);
  width: 100%;
  height: 110px;
}
.op-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-height: 44.2rem;
  background: url(/assets/images/bg_monetize-banner.webp) no-repeat center;
  text-align: center;
  color: var(--color-white);
}
.op-ad-banner {
  background: url(/assets/images/bg_monetize-banner.webp) no-repeat center;
}
.op-banner .tit-en {
  font-size: var(--fs-18);
  font-weight: var(--fw-regular);
  line-height: var(--lh-24);
  color: var(--color-Keppel200);
}
.op-banner h2 {
  font-size: var(--fs-40);
  font-weight: var(--fw-bold);
  line-height: var(--lh-52);
  margin: var(--space-12) 0 var(--space-34);
}
.op-banner .optimized-sub {
  font-size: var(--fs-16);
  font-weight: var(--fw-medium);
  line-height: var(--lh-24);
}

.monetization-case-section {
  width: 100%;
  max-width: var(--container-width128);
  padding: 130px 0;
  background-color: var(--color-white);
  max-width: var(--container-width128);
  margin: 0 auto;
}

.monetization-title {
  margin-bottom: var(--space-140);
}
.monetization-title .sub-title {
  font-size: var(--fs-18);
  font-weight: var(--fw-regular);
  line-height: var(--lh-24);
  color: var(--color-Keppel400);
  margin-bottom: var(--space-12);
}
.monetization-title .main-title {
  font-size: var(--fs-28);
  font-weight: var(--fw-bold);
  line-height: var(--lh-36);
  color: var(--color-black2);
}
.monetization-title .main-title strong {
  display: inline-block;
  margin-top: var(--space-4);
}

/* Cards Layout */
.monetization-cards {
  display: flex;
  gap: var(--gap-20);
  flex-wrap: wrap;
}

/* Individual Card */
.monetization-card {
  flex: 1 1 300px;
  width: 100%;
  background-color: var(--color-white);
  border-radius: var(--radius-20);
  padding: var(--space-60);
  box-shadow: 0 0px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.monetization-card:hover {
  transform: translateY(-70px);
  background-color: var(--color-Keppel400);
}
.monetization-card:hover .card-sub,
.monetization-card:hover .card-text p {
  color: var(--color-white);
}

.monetization-card .card-icon img {
  transition: filter 0.3s ease;
  filter: none;
}

/* Card Content */
.card-sub {
  font-size: var(--fs-18);
  color: var(--color-neutral600);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-20);
}

.card-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.card-text p {
  font-size: var(--fs-36);
  font-weight: var(--fw-bold);
  line-height: var(--lh-48);
  color: var(--color-black2);
  white-space: pre-line;
}

.contact-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-height: 39rem;
  background: linear-gradient(135deg, #f1fcfa 0%, #bbf9ef 100%);
  text-align: center;
  color: var(--color-white);
}
.contact-banner .tit-en {
  font-size: var(--fs-24);
  font-weight: var(--fw-medium);
  line-height: var(--lh-32);
  color: var(--color-Keppel400);
}
.contact-banner .tit {
  font-size: var(--fs-36);
  font-weight: var(--fw-bold);
  line-height: var(--lh-50);
  margin: var(--space-12) 0 var(--space-50);
  color: var(--color-black2);
}

.contact-banner a {
  font-size: var(--fs-28);
  font-weight: var(--fw-bold);
  line-height: var(--lh-36);
  padding: var(--space-17) var(--space-70);
  background: var(--color-white);
  color: var(--color-Keppel600);
  border-radius: var(--radius-10);
  box-shadow: 0 0px 10px #a3ece2;
  transition: background 0.3s ease, color 0.3s ease;
}
.contact-banner a:hover,
.contact-banner a:active {
  background: linear-gradient(135deg, #37b0a7 0%, #1a6b69 100%);
  color: var(--color-white);
}

/* 반응형 - br */
@media (max-width: 1440px) {
  .br-on-laptop-l::after {
    content: "";
    display: block;
  }
}
@media (max-width: 1024px) {
  .br-on-laptop::after {
    content: "";
    display: block;
  }
}
@media (max-width: 768px) {
  .br-on-tablet::after {
    content: "";
    display: block;
  }
}
@media (max-width: 425px) {
  .br-on-mobile::after {
    content: "";
    display: block;
  }
}

/* 반응형 - 1024px */
@media (max-width: 1024px) {
  .contact-banner {
    max-height: 28rem;
  }
  .contact-banner .tit-en {
    font-size: var(--fs-20);
    line-height: var(--lh-32);
  }
  .contact-banner .tit {
    font-size: var(--fs-36);
    line-height: var(--lh-40);
    margin: var(--space-24) 0 var(--space-24);
  }
  .contact-banner a {
    font-size: var(--fs-24);
    line-height: var(--lh-32);
    padding: var(--space-12) var(--space-56);
  }
  .monetization-case-section {
    padding: var(--space-100) 24px;
  }
  .monetization-title {
    text-align: center;
    margin-bottom: var(--space-40);
  }
  .monetization-card {
    position: relative;
    height: 100%;
    min-height: 330px;
    padding: 3.8rem 3.2rem;
  }
  .card-body {
    flex-wrap: wrap;
  }
  .card-sub {
    font-size: var(--fs-18);
    color: var(--color-black2);
  }
  .card-text p {
    font-size: var(--fs-30);
    line-height: var(--lh-40);
  }
  .card-icon {
    position: absolute;
    width: 100%;
    max-width: 120px;
    right: 3rem;
    bottom: 3rem;
  }
  .monetization-card:hover {
    transform: translateY(-40px);
    background-color: var(--color-Keppel400);
  }
  .op-banner {
    max-height: 36rem;
  }
  .op-banner h2 {
    font-size: var(--fs-36);
    margin: var(--space-12) 0 var(--space-20);
  }
  .monetization-title .main-title[data-nobr="true"] br {
    display: none;
  }
  .admo-visual .admo-title {
    font-size: var(--fs-52);
    line-height: 1.3;
    margin-bottom: 8vw;
  }
}

/* 반응형 - 768px */
@media (max-width: 768px) {
  .empty-area {
    display: none;
  }
  .op-banner .tit-en {
    font-size: var(--fs-14);
  }
  .op-banner h2 {
    font-size: var(--fs-28);
    line-height: 1.3;
  }
  .contact-banner {
    max-height: 28rem;
  }
  .contact-banner .tit {
    font-size: var(--fs-32);
    line-height: var(--lh-50);
    margin: var(--space-12) 0 var(--space-32);
  }
  .admo-visual .admo-title {
    font-size: var(--fs-40);
    line-height: 1.3;
    margin-bottom: 10vw;
  }
  .admo-title .sub-tit {
    font-size: var(--fs-18);
    line-height: var(--lh-24);
    margin-top: var(--space-24);
  }
  /* hover - none */
  .monetization-card:hover {
    transform: none;
    background-color: var(--color-white);
  }

  .monetization-card:hover .card-sub,
  .monetization-card:hover .card-text p {
    color: inherit;
  }
}

/* 반응형 - 425px */
@media (max-width: 425px) {
  .admo-visual .admo-title {
    font-size: var(--fs-34);
    line-height: var(--lh-44);
    margin-bottom: 15vw;
  }
  .admo-title .sub-tit {
    font-size: var(--fs-18);
    line-height: var(--lh-28);
    margin-top: var(--space-12);
  }
  .contact-banner {
    max-height: 32rem;
  }
  .contact-banner .tit {
    font-size: var(--fs-28);
    line-height: var(--lh-40);
  }
}