/* ============================================================
   NAVIS AI — Design System
   Dark cinematic hero + light off-white content.
   KO Pretendard / EN Archivo. Single accent: electric blue.
   ============================================================ */

@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");
@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@200;300;400;500;600&display=swap");

:root {
  /* Color */
  --dark: #0A0E14;
  --dark-2: #0D1219;
  --dark-3: #121A24;
  --light: #FAF9F5;
  --white: #FFFFFF;
  --text: #141413;
  --text-soft: rgba(20, 20, 19, 0.70);
  --text-faint: rgba(20, 20, 19, 0.60);
  --on-dark: rgba(255, 255, 255, 0.92);
  --on-dark-soft: rgba(255, 255, 255, 0.70);
  --on-dark-faint: rgba(255, 255, 255, 0.52);

  --accent: #2E7DD6;
  --accent-soft: rgba(46, 125, 214, 0.14);

  --border-light: rgba(20, 20, 19, 0.08);
  --border-light-2: rgba(20, 20, 19, 0.14);
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-2: rgba(255, 255, 255, 0.16);
  --overlay: rgba(0, 0, 0, 0.7);

  /* Type */
  --font-ko: "Pretendard", "Pretendard Variable", -apple-system, "Malgun Gothic", sans-serif;
  --font-en: "Archivo", var(--font-ko);

  /* Layout */
  --header-h: 113px;
  --container: 1160px;
  --gutter: clamp(24px, 6vw, 150px);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-ko);
  color: var(--text);
  background: var(--light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}
body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

/* ---------- Focus visibility (WCAG 2.4.7) ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
/* Dark surfaces: white ring + accent halo so focus is visible on any background */
.header:not(.is-solid) :focus-visible,
.hero :focus-visible,
.section--dark :focus-visible,
.innovate :focus-visible,
.contact :focus-visible,
.cta :focus-visible,
.footer :focus-visible,
.navmap :focus-visible {
  outline-color: #fff;
  box-shadow: 0 0 0 4px rgba(46, 125, 214, 0.6);
}
/* Form fields: restore a keyboard ring (their base sets outline:none) */
.news__search input:focus-visible,
.cf-field input:focus-visible,
.cf-field select:focus-visible,
.cf-field textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* EN label utility */
.en, .eyebrow, .gnb a, .util, .nav-cat, .scrolldown, .metric-en, .card-idx {
  font-family: var(--font-en);
}

/* Shared eyebrow / kicker */
.eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease), border-color 0.5s var(--ease), color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
  color: var(--on-dark);
}
.header__inner {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Solid (scrolled / subpage) state */
.header.is-solid {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border-light);
  color: var(--text);
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo__mark { width: 26px; height: 26px; flex-shrink: 0; }
.logo__mark .rot { transform-origin: 50% 50%; }
.logo__word {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.logo__word b { font-weight: 600; color: var(--accent); }

/* GNB */
.gnb { display: flex; gap: clamp(20px, 2.6vw, 44px); }
.gnb > li { position: relative; }
.gnb a {
  display: block;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 0;
  position: relative;
  opacity: 0.86;
  transition: opacity 0.25s;
}
.gnb a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.gnb a:hover { opacity: 1; }
.gnb > li:hover > a::after,
.gnb > li:focus-within > a::after { width: 100%; }

/* GNB dropdown */
.gnb__drop {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 190px;
  background: var(--white);
  border: 1px solid var(--border-light);
  box-shadow: 0 18px 50px rgba(10, 14, 20, 0.12);
  padding: 14px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  color: var(--text);
}
.gnb > li:hover .gnb__drop,
.gnb > li:focus-within .gnb__drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.gnb__drop a {
  text-transform: none;
  font-family: var(--font-ko);
  font-size: 14px;
  letter-spacing: 0;
  padding: 9px 24px;
  opacity: 0.7;
  white-space: nowrap;
}
.gnb__drop a:hover { opacity: 1; color: var(--accent); background: var(--accent-soft); }
.gnb__drop a::after { display: none; }

/* Utility cluster */
.util-group { display: flex; align-items: center; gap: 22px; flex-shrink: 0; }
.lang { display: flex; align-items: center; gap: 6px; font-family: var(--font-en); font-size: 13px; letter-spacing: 0.08em; }
.lang button { opacity: 0.4; transition: opacity 0.2s; font-weight: 500; }
.lang button.active { opacity: 1; }
.lang .sep { opacity: 0.3; }

.contact-btn {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 3px;
  white-space: nowrap;
}
.contact-btn::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor; opacity: 0.5;
  transition: opacity 0.25s;
}
.contact-btn:hover::after { opacity: 1; }

.hamburger {
  width: 30px; height: 16px;
  position: relative; flex-shrink: 0;
}
.hamburger span {
  position: absolute; left: 0; height: 1.5px; width: 100%;
  background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.2s, width 0.35s var(--ease);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); width: 70%; }
.hamburger span:nth-child(3) { bottom: 0; }
.hamburger:hover span:nth-child(2) { width: 100%; }

/* ============================================================
   NAV-MAP (fullscreen menu)
   ============================================================ */
.navmap {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--on-dark);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
.navmap.is-open { opacity: 1; visibility: visible; }
.navmap__sheet {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(46,125,214,0.12), transparent 60%),
    linear-gradient(180deg, var(--dark) 0%, var(--dark-2) 100%);
  display: flex;
  flex-direction: column;
  transform: translateY(-24px);
  opacity: 0;
  transition: transform 0.6s var(--ease) 0.05s, opacity 0.6s var(--ease) 0.05s;
}
.navmap.is-open .navmap__sheet { transform: translateY(0); opacity: 1; }

.navmap__top {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--border-dark);
  flex-shrink: 0;
}
.navmap__close {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--border-dark-2);
  border-radius: 50%;
  transition: background 0.25s, transform 0.4s var(--ease);
}
.navmap__close:hover { background: rgba(255,255,255,0.06); transform: rotate(90deg); }
.navmap__close svg { width: 16px; height: 16px; }

.navmap__grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  align-content: center;
  padding: 60px var(--gutter);
  max-width: 1480px;
  margin: 0 auto;
  width: 100%;
}
.nav-col { min-width: 0; }
.nav-cat {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border-dark);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
}
.nav-cat span { font-family: var(--font-en); font-size: 11px; color: var(--on-dark-faint); letter-spacing: 0.12em; white-space: nowrap; }
.nav-col ul { display: flex; flex-direction: column; gap: 16px; }
.nav-col li a {
  font-size: 16px;
  line-height: 1.35;
  color: var(--on-dark-soft);
  transition: color 0.2s, padding-left 0.3s var(--ease);
  display: block;
}
.nav-col li a:hover { color: var(--white); padding-left: 8px; }

.navmap__foot {
  border-top: 1px solid var(--border-dark);
  padding: 26px var(--gutter);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--on-dark-faint);
  max-width: 1480px; margin: 0 auto; width: 100%;
}
.navmap__foot a:hover { color: var(--on-dark); }

/* ============================================================
   INTRO TRANSITION
   ============================================================ */
.intro {
  position: fixed; inset: 0; z-index: 300;
  background: var(--dark);
  display: grid; place-items: center;
  pointer-events: none;
}
.intro__logo {
  font-family: var(--font-en);
  font-weight: 300; font-size: 28px; letter-spacing: 0.3em;
  text-transform: uppercase; color: #fff;
  opacity: 0;
  overflow: hidden;
}
.intro__bar {
  position: absolute; left: 0; right: 0; bottom: 0; top: 0;
  background: var(--light);
  transform: scaleY(0); transform-origin: bottom;
}
.intro.run .intro__logo { animation: introWord 0.9s var(--ease) 0.15s forwards; }
.intro.run .intro__bar { animation: introWipe 0.7s var(--ease) 1.0s forwards; }
.intro.done { display: none; }
@keyframes introWord {
  0% { opacity: 0; letter-spacing: 0.55em; }
  100% { opacity: 1; letter-spacing: 0.3em; }
}
@keyframes introWipe {
  0% { transform: scaleY(0); transform-origin: bottom; }
  50% { transform: scaleY(1); transform-origin: bottom; }
  50.01% { transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: top; }
}

/* ============================================================
   SECTION REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
/* Failsafe end-state (no transition dependency) for non-scrolling embeds */
body.reveal-all .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
/* Frozen-transition embeds: make state changes instant so interactions stay functional */
.no-anim *, .no-anim *::before, .no-anim *::after { transition: none !important; animation: none !important; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .intro { display: none; }
}

/* ============================================================
   SECTION SHELLS
   ============================================================ */
.section { position: relative; }
.section--light { background: var(--light); color: var(--text); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section__head { max-width: 760px; }
.section__title {
  font-weight: 300;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-top: 22px;
}
.section__title b { font-weight: 500; }
.section__lead {
  margin-top: 26px;
  font-size: clamp(16px, 1.3vw, 19px);
  color: var(--text-soft);
  max-width: 600px;
  line-height: 1.7;
}
.section--dark .section__lead { color: var(--on-dark-soft); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(140% 120% at 70% 10%, #15233a 0%, var(--dark) 46%, #05070b 100%);
  color: var(--on-dark);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero__vignette {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,7,11,0.4) 0%, transparent 30%, transparent 55%, rgba(5,7,11,0.85) 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(72px, 12vh, 130px);
}
.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 13px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--on-dark-soft);
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 30px;
}
.hero__eyebrow::before { content: ""; width: 40px; height: 1px; background: var(--accent); }
.hero h1 {
  font-family: var(--font-en);
  font-weight: 200;
  font-size: clamp(40px, 6.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: #fff;
  max-width: 14ch;
  text-wrap: balance;
}
.hero h1 .accent { color: var(--accent); font-weight: 300; }
.hero__sub {
  margin-top: 30px;
  font-size: clamp(17px, 1.5vw, 22px);
  font-weight: 300;
  color: var(--on-dark-soft);
  letter-spacing: 0.01em;
}
.hero__meta {
  margin-top: 54px;
  display: flex; gap: 54px; flex-wrap: wrap;
  border-top: 1px solid var(--border-dark);
  padding-top: 28px;
  max-width: 720px;
}
.hero__meta div .n { font-family: var(--font-en); font-weight: 300; font-size: clamp(26px,2.6vw,38px); color: #fff; letter-spacing: -0.01em; }
.hero__meta div .l { font-size: 13px; color: var(--on-dark-faint); letter-spacing: 0.04em; margin-top: 4px; }

.scrolldown {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(72px, 12vh, 130px);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--on-dark-soft);
  writing-mode: vertical-rl;
}
.scrolldown__line { width: 1px; height: 64px; background: var(--border-dark-2); position: relative; overflow: hidden; }
.scrolldown__line::after {
  content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: var(--accent);
  animation: scrollPulse 2.2s var(--ease) infinite;
}
@keyframes scrollPulse { 0% { top: -50%; } 60%,100% { top: 100%; } }
@media (prefers-reduced-motion: reduce) { .scrolldown__line::after { animation: none; top: 0; } }

/* ============================================================
   INTRODUCTION
   ============================================================ */
.intro-sec { padding: clamp(100px, 14vh, 180px) 0; }
.intro-sec__vision {
  font-weight: 300;
  font-size: clamp(28px, 3.8vw, 52px);
  line-height: 1.28;
  letter-spacing: -0.018em;
  max-width: 17ch;
  margin-top: 30px;
  text-wrap: balance;
}
.intro-sec__vision b { font-weight: 500; }
.intro-sec__vision .accent { color: var(--accent); }
.intro-sec__lead { margin-top: 30px; max-width: 540px; color: var(--text-soft); font-size: 17px; line-height: 1.8; }

.metrics {
  margin-top: clamp(60px, 8vh, 100px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-light-2);
}
.metric { padding: 40px 30px 8px 0; border-right: 1px solid var(--border-light); }
.metric:last-child { border-right: none; }
.metric__n {
  font-family: var(--font-en);
  font-weight: 200;
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric__n .u { font-size: 0.42em; font-weight: 400; color: var(--accent); margin-left: 4px; letter-spacing: 0; }
.metric__l { margin-top: 18px; font-size: 14px; color: var(--text-soft); }
.metric__en { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin-top: 4px; }

/* ============================================================
   BUSINESS
   ============================================================ */
.biz { padding: clamp(100px, 14vh, 170px) 0; border-top: 1px solid var(--border-light); }
.biz__grid {
  margin-top: clamp(54px, 7vh, 90px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-light);
  border-left: 1px solid var(--border-light);
}
.biz-card {
  position: relative;
  padding: 38px 32px 46px;
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  min-height: 280px;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: background 0.4s var(--ease);
}
.biz-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); transition: width 0.45s var(--ease);
}
.biz-card:hover { background: var(--white); }
.biz-card:hover::after { width: 100%; }
.biz-card__idx { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.1em; color: var(--text-faint); }
.biz-card__ico { margin-top: 22px; width: 40px; height: 40px; color: var(--accent); }
.biz-card__ico svg { width: 100%; height: 100%; }
.biz-card__title { margin-top: auto; padding-top: 28px; font-size: 19px; font-weight: 500; line-height: 1.4; letter-spacing: -0.01em; text-wrap: balance; }
.biz-card__en { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); margin-top: 8px; }
.biz-card__desc { margin-top: 14px; font-size: 13.5px; color: var(--text-soft); line-height: 1.6; max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease), margin 0.4s; margin-top: 0; }
.biz-card:hover .biz-card__desc { max-height: 100px; opacity: 1; margin-top: 14px; }

/* ============================================================
   SHARED BITS
   ============================================================ */
.btn-accent {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--accent); color: #fff;
  font-family: var(--font-en); font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 16px 34px; border: none; cursor: pointer; white-space: nowrap;
  transition: background 0.3s var(--ease), gap 0.3s var(--ease);
}
.btn-accent:hover { background: #2569b8; gap: 18px; }
.arrow-link {
  font-family: var(--font-en); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 9px;
  transition: gap 0.3s var(--ease);
}
.arrow-link:hover { gap: 15px; }

/* ============================================================
   4. SOLUTIONS (dark)
   ============================================================ */
.sol { padding: clamp(100px, 14vh, 170px) 0; }
.sol .section--dark, .sol__grid { }
.sol__grid {
  margin-top: clamp(48px, 6vh, 80px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-left: 1px solid var(--border-dark);
  border-top: 1px solid var(--border-dark);
}
.sol-card {
  position: relative;
  padding: 30px 24px 36px;
  border-right: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  min-height: 330px;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  overflow: hidden;
  transition: background 0.4s var(--ease);
}
.sol-card:hover { background: var(--dark-3); }
.sol-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); transition: width 0.45s var(--ease);
}
.sol-card:hover::after { width: 100%; }
.sol-card__idx { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.1em; color: var(--on-dark-faint); }
.sol-card__name { margin-top: 44px; font-family: var(--font-en); font-weight: 300; font-size: clamp(22px, 1.7vw, 27px); line-height: 1.12; letter-spacing: -0.01em; color: #fff; text-wrap: balance; }
.sol-card__name b { display: block; font-weight: 500; color: var(--accent); }
.sol-card__role { margin-top: auto; padding-top: 22px; font-size: 13.5px; color: var(--on-dark-soft); line-height: 1.5; }
.sol-card__desc { margin-top: 12px; font-size: 13px; line-height: 1.6; color: var(--on-dark-faint); max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease), margin 0.4s; }
.sol-card:hover .sol-card__desc { max-height: 130px; opacity: 1; }
.sol-card__link { margin-top: 16px; font-family: var(--font-en); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); display: inline-flex; gap: 8px; opacity: 0; transition: opacity 0.35s var(--ease); }
.sol-card:hover .sol-card__link { opacity: 1; }

/* ============================================================
   5. INNOVATE (dark, full-bleed)
   ============================================================ */
.innovate {
  position: relative; min-height: 100vh; overflow: hidden;
  background: radial-gradient(130% 130% at 78% 35%, #11202f 0%, var(--dark) 52%, #05070b 100%);
  color: var(--on-dark);
  display: flex; align-items: center;
}
.innovate__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.innovate__inner { position: relative; width: 100%; max-width: 1480px; margin: 0 auto; padding: clamp(90px,12vh,130px) var(--gutter); }
.innovate__copy { max-width: 600px; }
.innovate__features { margin-top: clamp(40px, 5vh, 64px); display: grid; gap: 1px; background: var(--border-dark); border: 1px solid var(--border-dark); max-width: 640px; }
.inv-feature { background: rgba(8, 12, 18, 0.72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); padding: 30px 32px; }
.inv-feature__k { display: flex; align-items: center; gap: 12px; font-family: var(--font-en); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.inv-feature__k::before { content: ""; width: 7px; height: 7px; background: var(--accent); display: inline-block; }
.inv-feature h3 { margin-top: 16px; font-size: 21px; font-weight: 500; letter-spacing: -0.01em; color: #fff; }
.inv-feature p { margin-top: 12px; font-size: 14.5px; line-height: 1.7; color: var(--on-dark-soft); }

/* ============================================================
   6. NEWS & MEDIA (light)
   ============================================================ */
.news { padding: clamp(100px, 14vh, 170px) 0; border-top: 1px solid var(--border-light); }
.news__bar { margin-top: 44px; display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px; border-bottom: 1px solid var(--border-light); padding-bottom: 18px; }
.news__tabs { display: flex; gap: 10px; flex-wrap: wrap; }
.news-tab { font-family: var(--font-en); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; padding: 9px 22px; border-radius: 100px; border: 1px solid transparent; color: var(--text-faint); transition: color 0.25s, border-color 0.25s; white-space: nowrap; flex-shrink: 0; }
.news-tab:hover { color: var(--text); }
.news-tab.active { color: var(--text); border-color: var(--border-light-2); }
.news__search { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border-light-2); padding-bottom: 7px; }
.news__search input { border: none; background: none; font-family: var(--font-ko); font-size: 14px; width: 170px; max-width: 40vw; outline: none; color: var(--text); }
.news__search input::placeholder { color: var(--text-faint); }
.news__search svg { width: 17px; height: 17px; color: var(--text-soft); flex-shrink: 0; }
.news__grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 32px; }
.news-card { text-decoration: none; color: inherit; display: flex; flex-direction: column; }
.news-card.is-hidden { display: none; }
.news-card__thumb {
  aspect-ratio: 16 / 10; overflow: hidden; position: relative;
  background: repeating-linear-gradient(45deg, #efede6, #efede6 11px, #eae8e0 11px, #eae8e0 22px);
  display: grid; place-items: center;
}
.news-card__thumb span { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--text-faint); background: rgba(250,249,245,0.7); padding: 4px 10px; }
.news-card__thumb::after { content: ""; position: absolute; inset: 0; background: var(--accent); opacity: 0; transition: opacity 0.4s var(--ease); mix-blend-mode: multiply; }
.news-card:hover .news-card__thumb::after { opacity: 0.08; }
.news-card__meta { margin-top: 20px; display: flex; align-items: center; gap: 14px; }
.news-card__cat { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.news-card__date { font-family: var(--font-en); font-size: 12px; color: var(--text-faint); letter-spacing: 0.03em; }
.news-card__title { margin-top: 12px; font-size: 18px; font-weight: 500; line-height: 1.45; letter-spacing: -0.01em; transition: color 0.25s; text-wrap: pretty; }
.news-card:hover .news-card__title { color: var(--accent); }
.news__more { margin-top: clamp(48px, 6vh, 70px); display: flex; justify-content: center; }

/* ============================================================
   7. PARTNERS (light)
   ============================================================ */
.partners { padding: clamp(80px, 11vh, 140px) 0; border-top: 1px solid var(--border-light); }
.partners__strip { margin-top: clamp(40px, 5vh, 60px); display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--border-light); border: 1px solid var(--border-light); }
.partner { background: var(--light); display: grid; place-items: center; padding: 38px 16px; font-family: var(--font-en); font-weight: 500; font-size: 14px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-faint); text-align: center; line-height: 1.3; transition: color 0.3s, background 0.3s; }
.partner:hover { color: var(--text); background: var(--white); }

/* ============================================================
   8. CONTACT (dark)
   ============================================================ */
.contact { background: var(--dark); color: var(--on-dark); padding: clamp(100px, 14vh, 170px) 0; }
.contact__grid { margin-top: clamp(48px, 6vh, 80px); display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact-form { display: grid; gap: 24px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cf-field { min-width: 0; }
.cf-field label { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-faint); display: block; margin-bottom: 11px; }
.cf-field input, .cf-field select, .cf-field textarea {
  width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border-dark-2);
  color: #fff; font-family: var(--font-ko); font-size: 15px; padding: 11px 0; outline: none;
  transition: border-color 0.3s var(--ease);
}
.cf-field select { cursor: pointer; }
.cf-field select option { color: #111; }
.cf-field textarea { resize: vertical; min-height: 96px; line-height: 1.6; }
.cf-field input:focus, .cf-field select:focus, .cf-field textarea:focus { border-color: var(--accent); }
.cf-field input::placeholder, .cf-field textarea::placeholder { color: var(--on-dark-faint); }
.contact-form__foot { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 8px; }
.contact-form__msg { font-size: 14px; color: var(--accent); opacity: 0; transition: opacity 0.3s; }
.contact-form.sent .contact-form__msg { opacity: 1; }
.contact-info { display: flex; flex-direction: column; gap: 30px; }
.contact-map {
  aspect-ratio: 16 / 9; width: 100%;
  background: repeating-linear-gradient(45deg, #10161f, #10161f 12px, #0d131b 12px, #0d131b 24px);
  border: 1px solid var(--border-dark); position: relative;
  display: grid; place-items: center;
}
.contact-map span { font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--on-dark-faint); }
.contact-map__pin { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 12px; height: 12px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 6px rgba(46,125,214,0.22); }
.ci-block h4 { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: 10px; }
.ci-block p { font-size: 15px; line-height: 1.7; color: var(--on-dark); }
.ci-block a { color: var(--on-dark); border-bottom: 1px solid var(--border-dark-2); padding-bottom: 1px; transition: color 0.25s, border-color 0.25s; }
.ci-block a:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   DETAIL PAGE — AI-Fleet Insight
   ============================================================ */
.hero--sub { min-height: 74vh; align-items: flex-start; }
.hero--sub .hero__inner { padding-top: calc(var(--header-h) + clamp(40px, 7vh, 84px)); padding-bottom: clamp(48px, 8vh, 92px); }
.hero__back { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-en); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-dark-soft); margin-bottom: 30px; white-space: nowrap; transition: gap 0.3s var(--ease), color 0.25s; }
.hero__back:hover { gap: 14px; color: #fff; }

.dt-overview { padding: clamp(90px, 13vh, 160px) 0; }
.dt-overview__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.dt-overview__lead { font-weight: 300; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.35; letter-spacing: -0.015em; text-wrap: balance; }
.dt-overview__lead b { font-weight: 500; }
.dt-overview__body { color: var(--text-soft); font-size: 16px; line-height: 1.85; }
.dt-overview__body p + p { margin-top: 18px; }

.feat { padding: clamp(90px, 13vh, 160px) 0; border-top: 1px solid var(--border-light); }
.feat__grid { margin-top: clamp(48px, 6vh, 80px); display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border-light); border-left: 1px solid var(--border-light); }
.feat-card { padding: 34px 28px 44px; border-right: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); display: flex; flex-direction: column; }
.feat-card__ico { width: 38px; height: 38px; color: var(--accent); }
.feat-card__ico svg { width: 100%; height: 100%; }
.feat-card h3 { margin-top: 26px; font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }
.feat-card__en { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); margin-top: 7px; }
.feat-card p { margin-top: 14px; font-size: 14px; line-height: 1.65; color: var(--text-soft); }

.spec { padding: clamp(90px, 13vh, 160px) 0; border-top: 1px solid var(--border-light); background: var(--white); }
.spec__table { margin-top: clamp(40px, 5vh, 64px); border-top: 1px solid var(--border-light-2); }
.spec-row { display: grid; grid-template-columns: 300px 1fr; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--border-light); }
.spec-row dt { display: flex; flex-direction: column; gap: 4px; }
.spec-row dt .k { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.spec-row dt .ko { font-size: 15px; font-weight: 500; }
.spec-row dd { font-size: 15px; line-height: 1.7; color: var(--text-soft); }

.impact { padding: clamp(90px, 13vh, 160px) 0; border-top: 1px solid var(--border-light); }

.cta { background: var(--dark); color: var(--on-dark); padding: clamp(90px, 13vh, 150px) 0; text-align: center; }
.cta h2 { font-weight: 300; font-size: clamp(30px, 4vw, 56px); line-height: 1.12; letter-spacing: -0.02em; color: #fff; max-width: 18ch; margin: 0 auto; text-wrap: balance; }
.cta h2 b { font-weight: 500; }
.cta__sub { margin-top: 22px; color: var(--on-dark-soft); font-size: 17px; }
.cta__btn { margin-top: 40px; display: flex; justify-content: center; }

/* ============================================================
   FOOTER (minimal, used on all pages)
   ============================================================ */
.footer { background: var(--dark); color: var(--on-dark-soft); padding: 80px 0 44px; }
.footer__top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid var(--border-dark); }
.footer__word { font-family: var(--font-en); font-weight: 300; font-size: clamp(30px,4vw,56px); letter-spacing: 0.04em; color: #fff; text-transform: uppercase; }
.footer__word b { color: var(--accent); font-weight: 500; }
.footer__cols { display: flex; gap: clamp(30px,5vw,80px); flex-wrap: wrap; }
.footer__col h4 { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: 16px; }
.footer__col a { display: block; font-size: 14px; padding: 5px 0; transition: color 0.2s; }
.footer__col a:hover { color: #fff; }
.footer__bot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 30px; font-size: 12.5px; color: var(--on-dark-faint); font-family: var(--font-en); letter-spacing: 0.03em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .biz__grid, .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: none; }
  .metric { border-bottom: 1px solid var(--border-light); }
  .navmap__grid { grid-template-columns: repeat(3, 1fr); gap: 36px 30px; align-content: start; overflow-y: auto; padding-top: 48px; }
  .sol__grid { grid-template-columns: repeat(3, 1fr); }
  .news__grid { grid-template-columns: repeat(2, 1fr); }
  .partners__strip { grid-template-columns: repeat(3, 1fr); }
  .feat__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  :root { --header-h: 76px; }
  .gnb, .contact-btn { display: none; }
  .logo__word { font-size: 17px; }
  .biz-card__desc { max-height: 100px; opacity: 1; margin-top: 14px; } /* always visible on mobile */
  .biz-card:hover { background: transparent; }
  .sol-card__desc { max-height: 130px; opacity: 1; }
  .sol-card__link { opacity: 1; }
  .navmap__grid { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; align-content: start; padding-top: 40px; overflow-y: auto; }
  .hero__meta { gap: 30px; }
  .scrolldown { display: none; }
  .sol__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .dt-overview__grid { grid-template-columns: 1fr; gap: 32px; }
  .spec-row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 560px) {
  .biz__grid, .metrics { grid-template-columns: 1fr; }
  .metric { border-right: none; }
  .navmap__grid { grid-template-columns: 1fr; }
  .sol__grid, .news__grid { grid-template-columns: 1fr; }
  .partners__strip { grid-template-columns: repeat(2, 1fr); }
  .cf-row { grid-template-columns: 1fr; }
  .feat__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ABOUT / SUPPORT PAGES (posting IA alignment)
   ============================================================ */
.page-hero {
  position: relative;
  background: radial-gradient(140% 130% at 75% 0%, #15233a 0%, var(--dark) 50%, #05070b 100%);
  color: var(--on-dark);
  padding: calc(var(--header-h) + clamp(48px, 9vh, 96px)) 0 clamp(48px, 8vh, 90px);
  overflow: hidden;
}
.page-hero__inner { position: relative; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.page-hero h1 { font-family: var(--font-en); font-weight: 200; font-size: clamp(36px, 5vw, 68px); letter-spacing: -0.02em; color: #fff; margin-top: 18px; text-wrap: balance; }
.page-hero p { margin-top: 18px; max-width: 56ch; color: var(--on-dark-soft); font-size: clamp(15px, 1.3vw, 18px); line-height: 1.7; }

.subsec { padding: clamp(72px, 11vh, 140px) 0; border-top: 1px solid var(--border-light); }

/* CEO */
.ceo__grid { margin-top: clamp(32px, 5vh, 56px); display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.ceo__portrait { aspect-ratio: 4 / 5; background: repeating-linear-gradient(45deg, #efede6, #efede6 11px, #eae8e0 11px, #eae8e0 22px); display: grid; place-items: center; }
.ceo__portrait span { font-family: ui-monospace, monospace; font-size: 11px; color: var(--text-faint); background: rgba(250, 249, 245, 0.7); padding: 4px 10px; }
.ceo__quote { font-weight: 300; font-size: clamp(22px, 2.4vw, 32px); line-height: 1.4; letter-spacing: -0.015em; text-wrap: balance; }
.ceo__quote b { font-weight: 500; }
.ceo__body { margin-top: 22px; color: var(--text-soft); font-size: 16px; line-height: 1.85; }
.ceo__body p + p { margin-top: 16px; }
.ceo__sign { margin-top: 26px; font-family: var(--font-en); font-size: 14px; letter-spacing: 0.04em; }
.ceo__sign b { font-weight: 600; }

/* Timeline (history) */
.timeline { margin-top: clamp(32px, 5vh, 56px); border-top: 1px solid var(--border-light-2); }
.tl-item { display: grid; grid-template-columns: 130px 1fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--border-light); }
.tl-year { font-family: var(--font-en); font-weight: 300; font-size: clamp(22px, 2vw, 30px); color: var(--accent); letter-spacing: -0.01em; }
.tl-desc { font-size: 15.5px; line-height: 1.7; color: var(--text-soft); }
.tl-desc b { color: var(--text); font-weight: 500; }

/* Org chart */
.org { margin-top: clamp(32px, 5vh, 56px); display: flex; flex-direction: column; align-items: center; }
.org-box { border: 1px solid var(--border-light-2); background: var(--white); padding: 16px 26px; text-align: center; min-width: 190px; }
.org-box .t { font-weight: 600; font-size: 15px; }
.org-box .s { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-top: 4px; }
.org__line { width: 1px; height: 28px; background: var(--border-light-2); }
.org__row { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }

/* Simple list — patents / notices / resources */
.simple-list { margin-top: clamp(28px, 4vh, 48px); border-top: 1px solid var(--border-light-2); }
.simple-row { display: flex; align-items: center; gap: 20px; padding: 20px 4px; border-bottom: 1px solid var(--border-light); transition: background 0.25s; }
.simple-row:hover { background: var(--white); }
.simple-row__badge { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--border-light-2); padding: 4px 10px; flex-shrink: 0; }
.simple-row__t { flex: 1; font-size: 15.5px; font-weight: 500; min-width: 0; }
.simple-row__meta { font-family: var(--font-en); font-size: 12.5px; color: var(--text-faint); flex-shrink: 0; }
a.simple-row .simple-row__t { transition: color 0.2s; }
a.simple-row:hover .simple-row__t { color: var(--accent); }

@media (max-width: 860px) {
  .ceo__grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 84px 1fr; gap: 18px; }
  .simple-row { flex-wrap: wrap; gap: 8px 14px; }
}