/* INTERFROMZ — 2026-10-23 Korean composition draft. Not deployed. */
:root{--navy:#081c33;--deep:#06182d;--blue:#102f4d;--teal:#10bcb8;--teal-dark:#087b7c;--ink:#122c41;--muted:#667b8e;--pale:#f3f7f9;--line:#dde6eb;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:'Pretendard','Noto Sans KR','Apple SD Gothic Neo','Malgun Gothic',Arial,sans-serif;line-height:1.74;letter-spacing:-.02em}img{max-width:100%}a{text-decoration:none;color:inherit}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #16cfc5;outline-offset:4px}.container{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.review{height:30px;display:flex;align-items:center;justify-content:center;font-size:11px;letter-spacing:.055em;color:#728a9d;background:#f0f5f7;border-bottom:1px solid #e4ebee}.site-header{height:86px;background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid #e8eef2;box-shadow:0 2px 16px #061d3208}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:block;flex-shrink:0;width:205px}.brand img{display:block;width:100%;height:auto}.nav{display:flex;align-items:center;gap:28px;height:100%}.nav>a{font-size:12px;font-weight:750;letter-spacing:.05em;height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;color:#445f74;transition:color .15s}.nav>a:hover,.nav>a[aria-current=page]{color:#009c9f;border-bottom-color:#0cbfbb}.nav .locale{border-left:1px solid #d6e1e8;height:auto;margin-left:7px;padding-left:16px;font-size:12px;font-weight:750;color:#5f7e92}.nav .locale strong{color:#008b98}.mobile-toggle{display:none;cursor:pointer;color:#15435a;border:1px solid #d4e2ea;background:#fff;border-radius:9px;width:43px;height:42px;align-items:center;justify-content:center;font-size:22px}.lang-note{font-size:11.5px;color:#9ab0c0}.hero{position:relative;background:linear-gradient(125deg,#061729 0%,#0b2846 60%,#0b3952 100%);color:#fff;overflow:hidden}.hero:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px);background-size:70px 70px;pointer-events:none}.hero .skyline{position:absolute;inset:0 0 0 auto;width:65%;background:url('interfromz-original-cityscape.webp') center center / cover no-repeat;opacity:.84;mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.36) 18%,black 66%);-webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.36) 18%,black 66%)}.hero .skyline:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#071d35b8,transparent 42%)}.hero-content{position:relative;padding:132px 0 146px;min-height:670px;display:flex;align-items:center}.hero-copy{max-width:760px;padding:8px 0}.eyebrow{display:block;color:#0e8e97;font-size:12px;letter-spacing:.13em;font-weight:850;margin-bottom:16px}.hero .eyebrow{color:#73d8d1}.hero h1{font-size:clamp(46px,5.5vw,74px);line-height:1.16;letter-spacing:-.078em;font-weight:800;margin:0 0 24px;word-break:keep-all;text-shadow:0 2px 25px #06182933}.hero h1 em{font-style:normal;color:#65e0d6}.hero .lede{max-width:680px;color:#dce7f1;font-size:20px;line-height:1.72;margin:0 0 14px;word-break:keep-all}.hero .lede-secondary{max-width:700px;color:#c6d4df;font-size:17px;line-height:1.78;margin:0}.hero .meta{display:flex;gap:15px;align-items:center;flex-wrap:wrap;border-top:1px solid #ffffff26;margin-top:34px;padding-top:20px;font-size:12px;letter-spacing:.1em;color:#b0cfde;font-weight:700}.hero .meta i{width:4px;height:4px;background:#50d7d0;border-radius:50%}.scrollcue{position:absolute;bottom:42px;left:0;color:#9ab7c8;font-size:12px;letter-spacing:.09em;display:flex;align-items:center;gap:10px}.scrollcue:before{content:'';display:inline-block;width:24px;height:1px;background:#74b9c3}.accent-line{height:4px;background:linear-gradient(90deg,#0a4465 5%,#0ecac3 46%,#16617a 95%)}.section{padding:108px 0}.section.pale{background:var(--pale)}.section.navy{background:linear-gradient(126deg,#061d38,#0b3452);color:white}.section.mist{background:#ebf3f6}.section-head{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;margin-bottom:46px;align-items:start}.section-head h2,.section h2{font-size:clamp(30px,3.35vw,44px);line-height:1.22;letter-spacing:-.065em;margin:0;word-break:keep-all}.section-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.9;word-break:keep-all;max-width:520px}.section.navy .section-head p{color:#b9cad7}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:76px;align-items:start}.intro-grid .intro-lead{font-size:clamp(30px,3.1vw,42px);line-height:1.34;font-weight:760;letter-spacing:-.055em;word-break:keep-all;margin:0}.intro-grid .intro-body p{font-size:17px;line-height:1.92;margin:0 0 18px;color:#516d80;word-break:keep-all}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}.principle{padding:30px 28px;border-top:2px solid #0aa9b0;background:#f5f9fa;border-radius:0 0 10px 10px;min-height:190px}.principle .num{color:#0b969c;font-size:11px;font-weight:850;letter-spacing:.15em}.principle h3{font-size:20px;letter-spacing:-.045em;margin:18px 0 8px;line-height:1.38}.principle p{color:#637b8c;font-size:14px;line-height:1.85;margin:0}.faint-link{display:inline-flex;align-items:center;gap:13px;color:#057d85;font-size:14px;font-weight:800;margin-top:22px;padding-bottom:3px;border-bottom:1px solid #9bd6d8}.faint-link:hover{color:#034c54}.catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.catalog article{background:#fff;border:1px solid #dee8ed;border-radius:16px;overflow:hidden;min-height:356px;transition:transform .2s,box-shadow .2s}.catalog article:hover{transform:translateY(-4px);box-shadow:0 20px 50px #072a4615}.catalog .art{height:158px;background:linear-gradient(135deg,#112e4b,#095b6a);display:flex;flex-direction:column;justify-content:space-between;padding:22px 24px;color:white;position:relative;overflow:hidden}.catalog .art:before{content:'';position:absolute;right:-40px;bottom:-90px;width:230px;height:230px;border-radius:50%;border:35px solid #ffffff0e}.catalog article:nth-child(2) .art{background:linear-gradient(145deg,#123c5a,#0c6570)}.catalog article:nth-child(3) .art{background:linear-gradient(145deg,#09263f,#20667d)}.catalog .art .tag{font-size:9px;letter-spacing:.16em;font-weight:800;color:#91ede3}.catalog .art strong{font-size:24px;letter-spacing:-.05em;line-height:1.28;z-index:1}.catalog .body{padding:24px 26px 28px}.catalog .state{font-size:12px;color:#078d96;font-weight:800;letter-spacing:.03em}.catalog h3{font-size:20px;margin:12px 0 9px;line-height:1.35;letter-spacing:-.045em}.catalog .body p{font-size:14px;line-height:1.86;color:#6b8090;margin:0}.section-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px}.section-actions .note{font-size:13px;color:#718697;margin:0}.simple-link{display:inline-flex;align-items:center;gap:9px;color:#078c94;font-size:14px;font-weight:800}.simple-link:hover{text-decoration:underline}.services{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:center}.services h2{max-width:630px}.services p{color:#c4d6e2;font-size:17px;line-height:1.92;max-width:690px}.services .service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.services .service-list article{border:1px solid #4f7590;background:#ffffff08;padding:21px;border-radius:10px}.service-list strong{font-size:16px;line-height:1.4}.service-list small{font-size:13px;color:#aec7d7;display:block;margin-top:6px;line-height:1.7}.link-light{display:inline-flex;margin-top:18px;align-items:center;gap:14px;color:#56e0db;border-bottom:1px solid #4ebebb;padding-bottom:5px;font-weight:750;font-size:14px}.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.insight-grid article{background:#fff;border:1px solid #e0e9ee;border-radius:14px;padding:30px;min-height:228px}.insight-grid .article-tag{font-size:11px;color:#058f98;font-weight:800;letter-spacing:.12em}.insight-grid h3{font-size:21px;line-height:1.42;margin:18px 0 10px;letter-spacing:-.04em}.insight-grid p{font-size:14px;color:#697e8e;line-height:1.85;margin:0}.wide-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:40px 44px;background:white;border:1px solid #d4e2eb;border-radius:16px}.wide-cta strong{font-size:24px;letter-spacing:-.05em;line-height:1.35}.wide-cta p{font-size:15px;color:#6b8191;margin:10px 0 0;line-height:1.82}.outline-button{border:1px solid #9cbac9;padding:15px 24px;border-radius:8px;font-size:14px;font-weight:800;color:#0b4961;white-space:nowrap}.outline-button:hover{background:#eaf5f5}.site-footer{background:#061a2d;color:#9ab1c2;padding:39px 0}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.footer-inner strong{font-size:13px;color:white;letter-spacing:.075em}.footer-inner p{font-size:11px;line-height:1.8;margin:10px 0 0}.footer-inner .links{display:flex;gap:17px;font-size:11px;flex-wrap:wrap;justify-content:flex-end}.footer-inner .links a:hover{color:white}
/* Subpages */
.page-hero{color:white;position:relative;background:linear-gradient(122deg,#061a30,#0d3150 80%,#0b4a57);overflow:hidden}.page-hero:after{content:'';position:absolute;right:-200px;top:-280px;width:650px;height:650px;border:1px solid #6fe6d31e;border-radius:50%;box-shadow:0 0 0 100px #2dd2d109;pointer-events:none}.page-hero .container{padding:85px 0 91px;position:relative;z-index:1}.page-hero h1{font-size:clamp(36px,4.25vw,55px);letter-spacing:-.065em;line-height:1.28;margin:0 0 18px;word-break:keep-all}.page-hero p{max-width:760px;font-size:16px;color:#c9d9e6;line-height:1.9;margin:0;word-break:keep-all}.small-note{color:#7990a1;font-size:12px;margin-top:22px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic{border:1px solid #dce7ec;border-radius:12px;padding:30px;background:#fff;min-height:250px}.topic .eyebrow{font-size:10px}.topic h3{margin:22px 0 14px;font-size:21px;letter-spacing:-.05em}.topic p{font-size:14px;line-height:1.85;color:#6b8091;margin:0}.band{background:#edf6f6;padding:25px 31px;border-left:3px solid #0bb1aa;color:#36566b;font-size:14px;line-height:1.9;border-radius:5px}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.process article{padding:22px 21px;background:white;border:1px solid #dce7eb;border-radius:10px}.process .number{font-size:11px;color:#039f9f;font-weight:800}.process h3{font-size:16px;margin:14px 0 6px}.process p{font-size:12px;color:#667e91;line-height:1.8;margin:0}.page-stack{display:grid;gap:17px}.page-stack article{padding:28px 30px;background:#f3f8fa;border:1px solid #e1eaee;border-radius:10px}.page-stack h3{font-size:20px;margin:0 0 11px}.page-stack p{font-size:14px;line-height:1.9;color:#627b8d;margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:start}.split h2{font-size:31px}.split p{color:#60788b;line-height:1.9}.statement{padding:35px 38px;background:linear-gradient(130deg,#0b3451,#0a4b54);color:white;border-radius:13px;font-size:23px;line-height:1.6;font-weight:750;letter-spacing:-.05em}.bullet-set{margin:0;padding-left:20px;color:#577185;font-size:15px;line-height:2.05}.fineprint{color:#718798;font-size:12px;line-height:1.9}.contact-panels{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-panels article{background:#f5f9fa;border:1px solid #e0e9ec;border-radius:12px;padding:30px}.contact-panels h3{margin:0 0 12px;font-size:21px}.contact-panels p,.contact-panels li{color:#647b8d;font-size:14px;line-height:1.9}.contact-panels ul{padding-left:20px}.contact-status{margin-top:21px;padding:15px 17px;border-radius:8px;background:#e5f2f2;color:#366c72;font-size:12px;font-weight:700}.banner-quiet{background:#f5fafb;border-radius:10px;padding:26px 31px;margin-top:36px;border:1px solid #e0e9ef}.banner-quiet strong{font-size:19px}.banner-quiet p{font-size:14px;color:#657c90;margin:7px 0 0}.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.kpi-row>div{padding:23px;background:#f2f8f9;border-radius:10px}.kpi-row b{font-size:16px}.kpi-row span{display:block;font-size:12px;color:#6b8191;margin-top:8px}
@media(max-width:1040px){.container{width:calc(100% - 72px)}.nav{gap:18px}.nav>a{font-size:11px}.brand{width:184px}.hero .skyline{width:68%;opacity:.53}.hero-content{padding:114px 0 128px;min-height:620px}.hero h1{font-size:clamp(42px,5.2vw,62px)}.hero .lede{font-size:18px}.hero .lede-secondary{font-size:16px}.services{grid-template-columns:1fr;gap:34px}.section-head{gap:28px}}
@media(max-width:780px){.container{width:calc(100% - 40px)}.site-header{height:73px}.brand{width:166px}.mobile-toggle{display:inline-flex}.nav{display:none;position:absolute;top:73px;left:0;right:0;height:auto;background:#fff;box-shadow:0 16px 25px #07192b20;padding:14px 22px 23px;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav>a{display:block;height:auto;padding:13px 0;font-size:13px;border-bottom:1px solid #ecf0f2}.nav>a[aria-current=page]{border-bottom:1px solid #09b4b2}.nav .locale{border-left:0;padding-left:0;margin-left:0;margin-top:15px}.hero .skyline{width:100%;opacity:.28;mask-image:linear-gradient(180deg,black 0%,transparent 95%);-webkit-mask-image:linear-gradient(180deg,black 0%,transparent 95%)}.hero-content{padding:96px 0 112px;min-height:565px}.hero-copy{max-width:100%}.hero h1{font-size:clamp(38px,9vw,54px);line-height:1.2;margin-bottom:18px}.hero .lede{font-size:17px;line-height:1.68}.hero .lede-secondary{font-size:15px;line-height:1.75}.hero .meta{gap:10px;font-size:11px}.scrollcue{bottom:24px}.section{padding:80px 0}.section-head,.intro-grid,.split{grid-template-columns:1fr;gap:22px}.section-head p{max-width:none}.intro-grid .intro-lead{font-size:30px}.intro-grid .intro-body p{font-size:16px}.principles,.catalog,.insight-grid,.topic-grid,.kpi-row{grid-template-columns:1fr}.principle{min-height:0}.section-actions{align-items:flex-start;flex-direction:column}.services .service-list{grid-template-columns:repeat(2,1fr)}.wide-cta{align-items:flex-start;flex-direction:column;padding:32px 28px}.footer-inner{display:block}.footer-inner .links{margin-top:22px;justify-content:flex-start}.page-hero .container{padding:68px 0 72px}.page-hero p{font-size:15px}.process{grid-template-columns:repeat(2,1fr)}.contact-panels{grid-template-columns:1fr}}
@media(max-width:420px){.review{font-size:10px}.container{width:calc(100% - 32px)}.hero-content{padding-top:84px;padding-bottom:102px}.hero h1{font-size:34px}.hero .lede{font-size:16px}.hero .lede-secondary{font-size:14px}.hero .meta{font-size:10px;letter-spacing:.04em}.section h2,.section-head h2{font-size:30px}.services .service-list,.process{grid-template-columns:1fr}.statement{font-size:19px}.catalog .art{height:146px}.section-head{margin-bottom:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.catalog article{transition:none}}

/* Bilingual production launch: keep approved V2 proportions. */
.review{display:none}
.nav .locale{display:flex;gap:8px;align-items:center}
.nav .locale a{font-size:12px;color:#70899b;font-weight:800;letter-spacing:.04em;padding:5px 1px}
.nav .locale a:hover,.nav .locale a[aria-current=true]{color:#008e97}
.locale-separator{color:#c3cfd6;font-size:12px}
.email-link{color:#087f87;text-decoration:underline;text-underline-offset:3px}
.mail-action{display:inline-flex;align-items:center;background:#0b6370;color:#fff;padding:12px 16px;border-radius:8px;font-size:14px;font-weight:800;margin-top:14px}
.mail-action:hover{background:#084c58;color:white}
.contact-status{font-size:14px;line-height:1.75}
.footer-inner a[href^="mailto:"]{text-decoration:underline;text-decoration-color:#456c7c;text-underline-offset:4px}
html[lang="en"] body{letter-spacing:-.012em;line-height:1.65}
html[lang="en"] .hero h1{letter-spacing:-.055em;font-size:clamp(42px,4.6vw,67px);line-height:1.15;max-width:890px}
html[lang="en"] .hero-copy{max-width:920px}
html[lang="en"] .hero .lede{max-width:680px}
html[lang="en"] .hero .lede-secondary{max-width:740px}
html[lang="en"] .intro-grid .intro-lead{font-size:clamp(27px,3vw,41px);line-height:1.26;letter-spacing:-.036em}
html[lang="en"] .section-head h2,html[lang="en"] .section h2{letter-spacing:-.035em}
html[lang="en"] .page-hero h1{letter-spacing:-.045em}
html[lang="en"] .catalog .art strong{font-size:22px}
@media(max-width:780px){.nav .locale{padding-top:12px;gap:12px;align-self:flex-start}.nav .locale a{font-size:14px}html[lang="en"] .hero h1{font-size:clamp(35px,7.4vw,48px);line-height:1.19}html[lang="en"] .hero-copy{max-width:100%}html[lang="en"] .hero .lede{font-size:16px}html[lang="en"] .hero .lede-secondary{font-size:15px}html[lang="en"] .intro-grid .intro-lead{font-size:29px}}
@media(max-width:420px){html[lang="en"] .hero h1{font-size:35px}}

/* 2026-10-23 second approved global cityscape: left-only contrast + paragraph breathing room */
.hero {background:#061b34;}
.hero .skyline {
  inset:0;
  width:100%;
  opacity:1;
  background-position:center center;
  background-size:cover;
  mask-image:none;
  -webkit-mask-image:none;
}
/* A restrained gradient restricted to text side; city towers on the right stay luminous. */
.hero .skyline::before {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(3,15,34,.90) 0%, rgba(4,20,41,.84) 24%, rgba(5,25,47,.68) 44%, rgba(5,25,47,.27) 62%, rgba(5,25,47,0) 76%);
  pointer-events:none;
}
.hero .skyline::after {
  background:linear-gradient(0deg,rgba(4,19,36,.15) 0%,transparent 31%);
}
.hero h1 {margin-bottom:40px;}
.hero h1 em {color:#ffffff;}
.hero h1 em::after {content:"";display:block;width:292px;height:3px;background:#58d0d7;margin-top:3px;}
.hero .lede {max-width:610px;margin-bottom:37px;line-height:1.78;}
.hero .lede-secondary {line-height:1.82;}
.hero .lede-secondary .hero-line {display:block;}
.hero .meta {margin-top:35px;}
@media(max-width:780px) {
  .hero .skyline {width:100%;opacity:1;mask-image:none;-webkit-mask-image:none;background-position:64% center;}
  .hero .skyline::before {background:linear-gradient(90deg,rgba(3,15,34,.94),rgba(3,18,38,.82) 65%,rgba(3,18,38,.65));}
  .hero .skyline::after {background:linear-gradient(0deg,rgba(4,17,34,.38),transparent 42%);}
  .hero-content {min-height:690px;padding-top:105px;padding-bottom:112px;}
  .hero h1 {margin-bottom:33px;}
  .hero h1 em::after {width:205px;height:2px;}
  .hero .lede {margin-bottom:26px;}
  .hero .lede-secondary {word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty;}
  .hero .lede-secondary .hero-line {display:inline;}
  .hero .lede-secondary .hero-line:not(:last-child)::after{content:" ";}
}
@media(max-width:420px) {
  .hero-content{padding-top:91px;min-height:768px;}
  .hero h1{margin-bottom:30px;}
  .hero .lede{margin-bottom:24px;}
}