/* IRUMNET — 2026 landing site
   Design tokens per Claude-1-analyse-rslt.md §3.2 (CI navy verified from vector source) */

:root{
  --navy:       #0B3B66;
  --navy-deep:  #072B4B;
  --accent:     #5DB3EC;
  --accent-ci:  #45A8DE;   /* logo interior only — not used in UI */
  --pale:       #EFF6FA;
  --ink:        #16283B;
  --slate:      #6C7787;
  --line:       #D9E4EB;
  --gold:       #F3C66C;
  --white:      #FFFFFF;

  --container: 1264px;
  --gutter: 88px;
  --radius: 12px;

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
          "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:96px; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img,svg{ max-width:100%; }

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

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

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--white); color:var(--navy);
  padding:12px 20px; font-weight:700;
}
.skip-link:focus{ left:12px; top:12px; }

:focus-visible{ outline:3px solid var(--gold); outline-offset:3px; }

.eyebrow{
  font-size:16px; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; color:var(--accent); margin:0 0 14px;
}

.section{ padding:84px 0; }
.section__head{ max-width:860px; }
.section__title{
  font-size:39px; line-height:1.25; font-weight:800;
  color:var(--navy); margin:0 0 18px; letter-spacing:-.01em;
}
.section__lead{ font-size:22px; color:var(--slate); margin:0; }

/* ---------- Header ---------- */
.header{ background:var(--navy); }
.header__inner{
  display:flex; align-items:center; gap:28px;
  padding-block:22px;
}
.header__logo{ display:block; flex:none; }
.header__logo img{ display:block; width:175px; height:auto; }
.header__rule{
  width:1px; align-self:stretch; background:rgba(255,255,255,.28); flex:none;
}
.header__tagline{
  color:var(--gold); font-size:18px; font-weight:700; letter-spacing:.04em;
  white-space:nowrap; margin:0;
}
.nav{ margin-left:auto; }
.nav__list{
  display:flex; gap:28px; list-style:none; margin:0; padding:0;
}
.nav__list a{
  color:var(--white); text-decoration:none; font-size:17px; white-space:nowrap;
  padding-block:6px; border-bottom:2px solid transparent;
}
.nav__list a:hover{ border-bottom-color:var(--accent); }

.lang{ display:flex; align-items:center; gap:6px; flex:none; }
.lang__btn{
  background:none; border:0; cursor:pointer; padding:4px 2px;
  font:inherit; font-size:17px; font-weight:700;
  color:rgba(255,255,255,.55);
}
.lang__btn[aria-pressed="true"]{ color:var(--accent); }
.lang__sep{ color:rgba(255,255,255,.4); font-size:17px; }

.nav-toggle{ display:none; }

/* ---------- Hero ---------- */
.hero{
  background:var(--navy); color:var(--white);
  padding:60px 0 96px;
}
.hero__inner{ display:grid; grid-template-columns:1fr 560px; gap:40px; align-items:center; }
.hero__eyebrow{ color:var(--accent); }
.hero__title{
  font-size:55px; line-height:1.14; font-weight:800;
  margin:0 0 26px; letter-spacing:-.015em;
}
.hero__subtitle{
  font-size:24px; line-height:1.5; margin:0 0 40px;
  max-width:44ch; color:rgba(255,255,255,.92);
}
.hero__actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero__graphic{ justify-self:end; }

.btn{
  display:inline-block; border-radius:var(--radius);
  padding:15px 30px; font-size:18px; font-weight:700;
  text-decoration:none; cursor:pointer; border:2px solid transparent;
  font-family:inherit;
}
.btn--primary{ background:var(--accent); color:var(--navy); }
.btn--primary:hover{ background:#7cc4f1; }
.btn--ghost{ border-color:var(--white); color:var(--white); }
.btn--ghost:hover{ background:rgba(255,255,255,.12); }

/* ---------- Services ---------- */
.cards{
  list-style:none; margin:48px 0 0; padding:0;
  display:grid; grid-template-columns:repeat(2,1fr); gap:40px;
}
.card{
  border:1px solid var(--line); border-radius:var(--radius);
  padding:34px 32px; background:var(--white);
}
.card__head{ display:flex; align-items:baseline; gap:16px; margin-bottom:14px; }
.card__num{ font-size:16px; font-weight:800; color:var(--accent); flex:none; }
.card__title{ font-size:23px; font-weight:700; color:var(--navy); margin:0; line-height:1.3; }
.card__body{ margin:0; font-size:18px; color:var(--slate); }

/* ---------- Cross-Border ---------- */
.crossborder{ background:var(--pale); padding:96px 0; }
.crossborder__title{ font-size:39px; }
.crossborder__body{ font-size:20px; color:var(--ink); max-width:70ch; margin:0 0 36px; }

.caps{
  list-style:none; margin:0 0 40px; padding:0;
  display:flex; flex-wrap:wrap; gap:12px;
}
.caps li{
  background:var(--white); border:1px solid var(--line); border-radius:999px;
  padding:9px 20px; font-size:16px; font-weight:700; color:var(--navy);
}

.crossborder__grid{
  display:grid; grid-template-columns:1fr 400px; gap:56px;
  align-items:center; margin-bottom:36px;
}
.regions-map{ margin:0; justify-self:center; width:100%; max-width:400px; }
.regions-map svg{ display:block; width:100%; height:auto; overflow:visible; }
.regions-map__label{
  font-family:var(--font); font-size:17px; font-weight:800; letter-spacing:.06em;
}
.note{
  font-size:18px; font-weight:700; color:var(--navy);
  border-left:3px solid var(--accent); padding-left:16px; margin:0;
}

/* ---------- Experience ---------- */
.facts{
  list-style:none; margin:44px 0 0; padding:0;
  display:grid; grid-template-columns:repeat(3,1fr); gap:32px;
}
.facts dt{ font-size:22px; font-weight:700; color:var(--navy); margin-bottom:6px; }
.facts dd{ margin:0; font-size:17px; color:var(--slate); }

/* ---------- Founder ---------- */
.founder{ background:var(--navy-deep); color:var(--white); padding:80px 0; }
.founder__inner{ display:grid; grid-template-columns:172px 1fr; gap:44px; align-items:start; }
.monogram{
  width:148px; height:148px; border-radius:50%;
  border:2px solid rgba(255,255,255,.3);
  display:grid; place-items:center;
  font-size:52px; font-weight:800; letter-spacing:.04em;
}
.founder__name{ font-size:37px; font-weight:800; margin:6px 0 4px; }
.founder__role{ font-size:19px; font-weight:700; color:var(--accent); margin:0 0 16px; }
.founder__body{ font-size:20px; color:rgba(255,255,255,.92); margin:0 0 26px; max-width:72ch; }
.founder__link{
  color:var(--accent); font-size:19px; font-weight:700;
  text-decoration:none; border-bottom:2px solid transparent;
}
.founder__link:hover{ border-bottom-color:var(--accent); }

/* ---------- Contact ---------- */
.contact__inner{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.contact__aside p{ font-size:20px; color:var(--slate); }
.form{ display:grid; gap:18px; }
.field{ display:grid; gap:7px; }
.field label{ font-size:16px; font-weight:700; color:var(--navy); }
.field .req{ color:#C0392B; }
.field input:not([type="checkbox"]),.field select,.field textarea{
  font:inherit; font-size:16px; color:var(--ink);
  border:1px solid var(--line); border-radius:10px;
  padding:13px 14px; background:var(--white); width:100%;
}
.field textarea{ min-height:132px; resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus{ border-color:var(--accent); }
.field--row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field__error{ font-size:14px; color:#C0392B; min-height:1.2em; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.consent-notice{
  font-size:14px; color:var(--slate); line-height:1.6; margin:0 0 10px;
  background:var(--pale); border-radius:10px; padding:12px 14px;
}
.consent-notice a{ color:var(--navy); font-weight:700; white-space:nowrap; }
.consent{ display:flex; gap:10px; align-items:flex-start; font-size:15px; color:var(--slate); }
/* Explicit box: the generic field rule above must never stretch this. */
.consent input[type="checkbox"]{
  width:17px; height:17px; flex:none; margin:3px 0 0; padding:0; accent-color:var(--navy);
}
.consent label{ flex:1; font-weight:400; font-size:15px; color:var(--slate); line-height:1.5; }

.status{ font-size:16px; border-radius:10px; padding:0; }
.status:not(:empty){ padding:14px 16px; }
.status--ok{ background:#E7F5EC; color:#1E6B3A; border:1px solid #BEE3CC; }
.status--warn{ background:#FFF6E0; color:#8A5A00; border:1px solid #F3D99B; }
.status--err{ background:#FDECEA; color:#A32B1C; border:1px solid #F5C3BC; }

/* ---------- Footer ---------- */
.footer{ background:var(--navy); color:var(--white); padding:34px 0; }
.footer__inner{ display:flex; align-items:flex-start; gap:24px; flex-wrap:wrap; }
.footer__info{ font-size:13.5px; line-height:1.9; color:rgba(255,255,255,.82); }
.footer__info p{ margin:0; }
.footer__copy{ margin-top:10px !important; color:rgba(255,255,255,.55); font-size:13px; }
.footer__links{ margin-left:auto; display:flex; gap:18px; font-size:14px; }
.footer__links a{ color:var(--white); text-decoration:none; }
.footer__links a:hover{ text-decoration:underline; }

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero__inner{ grid-template-columns:1fr; }
  .hero__graphic{ display:none; }
}

@media (max-width:900px){
  .container{ padding-inline:22px; }
  html{ scroll-padding-top:80px; }

  .header__inner{ flex-wrap:wrap; gap:12px 16px; padding-block:14px; }
  .header__logo{ order:1; }
  .header__logo img{ width:143px; }
  .header__rule{ display:none; }
  .lang{ order:2; margin-left:auto; }
  .nav-toggle{
    order:3; display:inline-flex; align-items:center; gap:8px;
    background:none; border:1px solid rgba(255,255,255,.4); border-radius:8px;
    color:var(--white); font:inherit; font-size:14px; font-weight:700;
    padding:7px 12px; cursor:pointer;
  }
  .header__tagline{ order:4; flex-basis:100%; font-size:12px; white-space:normal; }

  .nav{ order:5; flex-basis:100%; margin-left:0; display:none; }
  .nav.is-open{ display:block; }
  .nav__list{ flex-direction:column; gap:0; padding-block:8px; }
  .nav__list a{
    display:block; padding:12px 0; font-size:17px;
    border-bottom:1px solid rgba(255,255,255,.14);
  }

  .hero{ padding:36px 0 64px; }
  .hero__title{ font-size:35px; }
  .hero__subtitle{ font-size:17px; margin-bottom:30px; }
  .btn{ font-size:15px; padding:13px 22px; }

  .section{ padding:56px 0; }
  .section__title,.crossborder__title{ font-size:26px; }
  .section__lead{ font-size:17px; }

  .cards{ grid-template-columns:1fr; gap:20px; margin-top:32px; }
  .card{ padding:24px 22px; }
  .card__title{ font-size:18px; }
  .card__body{ font-size:16px; }

  .crossborder{ padding:60px 0; }
  .crossborder__body{ font-size:17px; }
  .crossborder__grid{ grid-template-columns:1fr; gap:36px; }
  .regions-map{ max-width:320px; }
  .regions-map__label{ font-size:15px; }
  .footer__info{ font-size:12.5px; line-height:1.85; }

  .facts{ grid-template-columns:1fr; gap:22px; margin-top:32px; }
  .facts dt{ font-size:18px; }

  .founder{ padding:56px 0; }
  .founder__inner{ grid-template-columns:1fr; gap:24px; }
  .monogram{ width:96px; height:96px; font-size:34px; }
  .founder__name{ font-size:29px; }
  .founder__body{ font-size:17px; }

  .contact__inner{ grid-template-columns:1fr; gap:36px; }
  .field--row{ grid-template-columns:1fr; }

  .footer{ padding:22px 0; }
  .footer__inner{ flex-direction:column; align-items:flex-start; gap:10px; }
  .footer__links{ margin-left:0; }
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed; right:24px; bottom:24px; z-index:50;
  width:48px; height:48px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--navy); color:var(--white);
  border:1px solid rgba(255,255,255,.25); cursor:pointer;
  box-shadow:0 6px 20px rgba(11,59,102,.28);
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.to-top.is-visible{ opacity:1; visibility:visible; transform:none; }
.to-top:hover{ background:#12508a; }
@media (max-width:900px){
  .to-top{ right:16px; bottom:16px; width:44px; height:44px; }
}