/* 명함 컬러 그대로 */
:root {
  --white: #ffffff;
  --paper: #f4f6f8;
  --navy: #1a2f3d;
  --navy-deep: #13293a;
  --blue: #135f80;
  --teal: #12877e;
  --teal-2: #17a095;
  --teal-light: #2bc2b3;
  --ring: #93b5c6;
  --gray: #6b7a85;
  --gray-2: #8d99a2;
  --rule: #c9d2d8;
  --rule-dark: #5a6975;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--navy);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* 명함 하단의 분할선: 블루 + 오른쪽 그라데이션 */
.card-rule {
  height: 2px;
  background: linear-gradient(to right, var(--blue) 0 74.5%, var(--teal-2) 74.5%, var(--ring) 100%);
}

/* 자간 넓은 영문 라벨 (IEUM CO., LTD. 스타일) */
.spaced {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--teal);
}

/* header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.site-header .logo img { height: 46px; width: auto; }
.nav { display: flex; gap: 34px; font-size: 15px; font-weight: 500; color: var(--gray); }
.nav a { transition: color .2s; }
.nav a:hover { color: var(--blue); }

/* hero = 명함 뒷면 */
.hero {
  background: var(--navy-deep);
  color: #fff;
  padding: 104px 0 0;
  position: relative;
  overflow: hidden;
}
.hero .mark-bg {
  position: absolute; right: -120px; top: 40px;
  width: 620px; opacity: .06; pointer-events: none;
}
.hero .wrap.top { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; position: relative; }
.hero .logo-big { width: 300px; margin-bottom: 48px; }
.hero h1 { font-size: 42px; line-height: 1.4; font-weight: 700; letter-spacing: -0.02em; }
.hero h1 span { color: var(--teal-light); }
.hero p.lead { margin-top: 22px; font-size: 16.5px; color: rgba(255,255,255,.66); max-width: 500px; }

.bullet-box {
  border-left: 1px solid var(--rule-dark);
  padding: 6px 0 6px 26px;
}
.bullet-box .spaced { color: var(--teal-light); margin-bottom: 16px; display: block; }
.bullets { list-style: none; }
.bullets li {
  position: relative; padding-left: 18px;
  font-size: 16px; line-height: 2.05; color: rgba(255,255,255,.88);
}
.bullets li::before {
  content: ""; position: absolute; left: 0; top: 0.92em;
  width: 6px; height: 6px; background: currentColor; opacity: .8;
}

.hero-facts { margin-top: 96px; position: relative; }
.hero-facts .row { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-facts .f { padding: 26px 0 30px; }
.hero-facts .f + .f { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.1); }
.hero-facts span { display: block; font-size: 12px; color: rgba(255,255,255,.45); letter-spacing: .08em; margin-bottom: 2px; }
.hero-facts strong { font-size: 16px; font-weight: 500; }

/* sections */
section { padding: 112px 0; }
.sec-head { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }
.sec-head .spaced { white-space: nowrap; }
.sec-head::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
h2.title { font-size: 32px; line-height: 1.45; font-weight: 700; letter-spacing: -0.02em; }
.sub { color: var(--gray); margin-top: 12px; font-size: 16px; max-width: 620px; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; margin-top: 52px; }
.about-text p { color: #3d4f5b; font-size: 16.5px; }
.about-text p + p { margin-top: 16px; }
.dict {
  position: relative; background: var(--white);
  border: 1px solid var(--rule);
  box-shadow: 0 18px 40px -28px rgba(19,41,58,.45);
  padding: 40px 40px 0;
}
.dict .word { font-size: 44px; font-weight: 700; line-height: 1; }
.dict .pron { font-size: 14px; color: var(--gray-2); margin-left: 10px; font-weight: 400; }
.dict .pos { display: inline-block; margin-top: 18px; font-size: 12px; border: 1px solid var(--gray); color: var(--gray); padding: 0 8px; }
.dict ol { margin-top: 14px; padding-left: 20px; color: #3d4f5b; font-size: 15.5px; padding-bottom: 36px; }
.dict ol li + li { margin-top: 6px; }
.dict .mark { position: absolute; right: 32px; top: 34px; width: 64px; }
.dict .card-rule { margin: 0 -40px; }

/* business */
.business { background: var(--paper); }
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 52px; }
.biz {
  background: var(--white);
  border: 1px solid #e3e8ec;
  padding: 34px 34px 30px;
  position: relative;
  transition: box-shadow .3s, transform .3s;
}
.biz:hover { transform: translateY(-3px); box-shadow: 0 20px 36px -26px rgba(19,41,58,.5); }
.biz .no { font-size: 12px; letter-spacing: .3em; color: var(--teal); font-weight: 500; }
.biz h3 { font-size: 21px; font-weight: 700; margin: 6px 0 18px; letter-spacing: -0.01em; }
.biz ul { list-style: none; border-left: 1px solid var(--rule); padding-left: 18px; }
.biz li { position: relative; padding-left: 16px; font-size: 15px; color: #3d4f5b; line-height: 2; }
.biz li::before { content: ""; position: absolute; left: 0; top: .9em; width: 5px; height: 5px; background: var(--blue); }
.biz::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(to right, var(--blue) 0 74.5%, var(--teal-2) 74.5%, var(--ring));
  transform: scaleX(0); transform-origin: left; transition: transform .45s ease;
}
.biz:hover::after { transform: scaleX(1); }

/* people = 명함 앞면 */
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 52px; }
.bcard {
  container-type: inline-size;
  aspect-ratio: 266 / 153;
  background: var(--white);
  position: relative;
  box-shadow: 0 1px 2px rgba(19,41,58,.08), 0 22px 44px -26px rgba(19,41,58,.5);
  transition: transform .35s ease, box-shadow .35s ease;
}
.bcard:hover { transform: translateY(-6px) rotate(-0.4deg); box-shadow: 0 1px 2px rgba(19,41,58,.08), 0 30px 54px -26px rgba(19,41,58,.55); }
.bcard .lg { position: absolute; left: 8.9%; top: 15.3%; width: 40.2%; }
.bcard .who {
  position: absolute; right: 9%; top: 39.5%;
  display: flex; align-items: baseline; gap: 2.6cqw;
}
.bcard .who small { font-size: 3.6cqw; color: var(--gray); font-weight: 500; }
.bcard .who strong { font-size: 7.2cqw; font-weight: 700; letter-spacing: .32em; margin-right: -.32em; line-height: 1; }
.bcard .card-rule { position: absolute; left: 0; right: 0; top: 58.2%; height: max(1px, .42cqw); }
.bcard .info {
  position: absolute; right: 9%; top: 64%;
  text-align: right; font-size: 3.15cqw; line-height: 1.95; color: var(--navy);
}
.bcard .info b { color: var(--blue); font-weight: 500; }
.bcard .info .gap { display: inline-block; width: 3.5cqw; }
.people-note { margin-top: 28px; font-size: 13.5px; color: var(--gray-2); }

/* company */
.company { background: var(--paper); }
.company-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; margin-top: 52px; align-items: stretch; }
.info-table { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--white); }
.info-table { border-top: 2px solid var(--blue); }
.info-table th, .info-table td { text-align: left; padding: 15px 20px; border-bottom: 1px solid #e3e8ec; vertical-align: top; }
.info-table th { width: 150px; font-weight: 500; color: var(--gray); background: #fafbfc; }
.map { min-height: 360px; overflow: hidden; border: 1px solid #e3e8ec; background: #e9eef1; position: relative; }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.5) contrast(1.02); }

/* contact = 명함 뒷면 */
.contact { background: var(--navy-deep); color: #fff; position: relative; overflow: hidden; }
.contact .sec-head .spaced { color: var(--teal-light); }
.contact .sec-head::after { background: rgba(255,255,255,.14); }
.contact h2.title { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1.5fr 1.5fr; margin-top: 56px; border-top: 1px solid rgba(255,255,255,.14); }
.contact-grid > div { padding: 28px 24px 0 0; }
.contact-grid > div + div { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.1); }
.contact-grid span { display: block; font-size: 12px; letter-spacing: .3em; color: var(--teal-light); margin-bottom: 8px; }
.contact-grid strong { font-weight: 500; font-size: 17px; overflow-wrap: anywhere; }
.contact-grid a { border-bottom: 1px solid rgba(255,255,255,.3); transition: color .2s, border-color .2s; }
.contact-grid a:hover { color: var(--teal-light); border-color: var(--teal-light); }
.contact .mark-bg { position: absolute; right: -60px; bottom: -110px; width: 440px; opacity: .07; pointer-events: none; }

/* footer */
.site-footer { background: #0e1f2c; color: rgba(255,255,255,.45); padding: 0 0 56px; font-size: 13px; line-height: 1.9; }
.site-footer .card-rule { height: 3px; margin-bottom: 44px; }
.site-footer .top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.site-footer .top img { height: 34px; width: auto; }
.site-footer strong { color: rgba(255,255,255,.8); font-weight: 500; }
.site-footer .links a { color: #fff; font-weight: 500; }
.site-footer .sep { margin: 0 10px; opacity: .3; }

/* reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* policy page */
.policy { padding: 80px 0 96px; }
.policy h1 { font-size: 32px; margin: 10px 0 8px; letter-spacing: -0.02em; }
.policy .meta { color: var(--gray-2); font-size: 14px; margin-bottom: 44px; padding-bottom: 28px; border-bottom: 2px solid var(--blue); }
.policy h2 { font-size: 18px; margin: 40px 0 12px; }
.policy p, .policy li { color: #3d4f5b; font-size: 15px; }
.policy ul { padding-left: 20px; margin-top: 8px; }
.policy li + li { margin-top: 4px; }
.policy .inner { max-width: 760px; }

@media (max-width: 960px) {
  .hero .wrap.top, .about-grid, .company-grid { grid-template-columns: 1fr; }
  .hero .wrap.top { gap: 48px; }
  .people-grid { grid-template-columns: 1fr 1fr; }
  .hero-facts .row, .contact-grid { grid-template-columns: 1fr 1fr; }
  .hero-facts .f:nth-child(3) { padding-left: 0; border-left: 0; }
  .contact-grid > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .contact-grid > div { padding-bottom: 24px; }
}
@media (max-width: 760px) {
  .site-header .wrap { height: 64px; }
  .site-header .logo img { height: 32px; }
  .nav { gap: 16px; font-size: 14px; }
  .nav a.hide-sm { display: none; }
  .hero { padding-top: 64px; }
  .hero .logo-big { width: 220px; margin-bottom: 36px; }
  .hero h1 { font-size: 29px; }
  .hero p.lead { font-size: 15.5px; }
  .bullets li { font-size: 14.5px; }
  .hero-facts { margin-top: 56px; }
  .hero-facts .row { grid-template-columns: 1fr; }
  .hero-facts .f { padding: 14px 0; }
  .hero-facts .f + .f { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  section { padding: 76px 0; }
  h2.title { font-size: 24px; }
  .spaced { letter-spacing: .3em; }
  .about-grid { gap: 40px; }
  .dict { padding: 30px 26px 0; }
  .dict .card-rule { margin: 0 -26px; }
  .dict .word { font-size: 36px; }
  .dict .mark { width: 50px; right: 24px; }
  .biz-grid, .people-grid { grid-template-columns: 1fr; }
  .biz { padding: 28px 24px 24px; }
  .info-table th { width: 96px; padding: 13px 12px; }
  .info-table td { padding: 13px 12px; }
  .map { min-height: 260px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-grid > div, .contact-grid > div + div { padding: 20px 0 0; border-left: 0; }
  .site-footer .sep { display: none; }
  .site-footer .row span { display: block; }
  .site-footer .top { flex-direction: column; align-items: flex-start; gap: 14px; }
}