/* SeeNU 사이트 공통 스타일 (2026-10-08 개편)
   흐름: 로고 인트로(전체 화면) → 3D 글래스 장면(히어로 + 기능 4단계) → 밝은 정보 구역 → 문의·신청 → 꼬리말
   색은 브랜드 초록·파랑을 포인트로만 쓰고, 바탕은 짙은 남색과 흰색으로 정돈한다. */
:root {
  --night: #05090D;
  --night-2: #0A1117;
  --night-3: #111B23;
  --ink: #0A1218;
  --ink-2: #1B2731;
  --muted: #5E6B75;
  --muted-2: #8A97A1;
  --on-dark: #EEF3F6;
  --on-dark-2: #A3B0B9;
  --on-dark-3: #6C7A84;
  --line: #E3E8EB;
  --line-2: #CFD7DC;
  --line-dark: rgba(255, 255, 255, 0.09);
  --line-dark-2: rgba(255, 255, 255, 0.16);
  --paper: #F4F6F7;
  --white: #FFFFFF;
  --green: #2EDB7F;
  --green-deep: #067A43;
  --sky: #4DB8F2;
  --sky-deep: #0A6FB3;
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Plus Jakarta Sans", "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --font-body: "Pretendard Variable", Pretendard, "Plus Jakarta Sans", -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --gutter: clamp(20px, 4.4vw, 64px);
  --maxw: 1280px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 0.7, 0.18, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--white); color: var(--ink);
  font-family: var(--font-body); font-size: 16px; line-height: 1.7; letter-spacing: -0.006em;
  word-break: keep-all; overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
img, canvas, svg { max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.028em; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; }

/* 언어 전환: html[lang]에 맞는 문장만 보인다 */
html[lang="ko"] [data-l="en"], html[lang="en"] [data-l="ko"] { display: none !important; }

/* 작은 머리표 */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 12.5px; line-height: 1;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--sky-deep);
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; opacity: 0.7; }
.on-dark .eyebrow, .eyebrow.on-dark { color: var(--sky); }
.eyebrow.plain::before { display: none; }
.lead { font-size: clamp(16.5px, 1.35vw, 19px); line-height: 1.75; color: var(--muted); max-width: 60ch; }
.on-dark .lead { color: var(--on-dark-2); }
.fine { font-size: 13px; color: var(--muted-2); }
.on-dark .fine { color: var(--on-dark-3); }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border-radius: var(--radius-sm);
  font: 600 15.5px/1 var(--font-body); letter-spacing: -0.01em; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: #DDE6EB; }
.btn-line-light { border-color: var(--line-dark-2); color: var(--on-dark); background: rgba(255, 255, 255, 0.02); }
.btn-line-light:hover { border-color: rgba(255, 255, 255, 0.45); background: rgba(255, 255, 255, 0.06); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: #22323E; }
.btn-line-dark { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn-line-dark:hover { border-color: var(--ink); }
.btn.sm { min-height: 40px; padding: 0 16px; font-size: 14px; }

/* 머리말 */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  padding-top: env(safe-area-inset-top, 0px);
  color: var(--on-dark);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), opacity 0.6s var(--ease), transform 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled, .site-header.solid {
  background: rgba(5, 9, 13, 0.78);
  backdrop-filter: saturate(140%) blur(16px); -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: var(--line-dark);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 9px; line-height: 0; text-decoration: none; }
.brand .sub { font: 500 19px/1 var(--font-display); letter-spacing: -0.03em; color: var(--sky); margin-top: 1px; }
.brand img { display: block; height: 22px; width: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 34px); font-size: 14.5px; font-weight: 500; }
.site-nav a { text-decoration: none; color: var(--on-dark-2); transition: color 0.2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--white); }
.site-nav .btn { color: var(--ink); }
.lang {
  font: 600 12px/1 var(--font-display); letter-spacing: 0.08em;
  height: 32px; padding: 0 12px; border-radius: 8px;
  border: 1px solid var(--line-dark-2); background: transparent; color: var(--on-dark); cursor: pointer;
}
.lang:hover { border-color: rgba(255, 255, 255, 0.4); }
@media (max-width: 900px) { .site-nav .opt { display: none; } }
@media (max-width: 420px) { .site-nav .btn { display: none; } }

/* 인트로: 로고 애니메이션만 화면을 채운다 */
.intro { display: none; }
.js .intro { display: block; position: fixed; inset: 0; z-index: 100; background: #04070A; }
.intro canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.intro-skip {
  position: absolute; right: var(--gutter); bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  font: 600 11.5px/1 var(--font-display); letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(238, 243, 246, 0.55); background: none; border: 0; padding: 10px 0; cursor: pointer;
  transition: color 0.2s ease, opacity 0.4s ease;
}
.intro-skip:hover { color: #fff; }
.intro.leaving .intro-skip { opacity: 0; pointer-events: none; }
.intro.fade { transition: opacity 0.6s ease; opacity: 0; }
html.intro-on, html.intro-on body { overflow: hidden; }
html.intro-on .site-header { opacity: 0; }
html.intro-on .site-header .brand, html.intro-exit .site-header .brand { visibility: hidden; }
html.intro-exit .site-header { opacity: 1; }

/* 3D 장면: 캔버스는 고정되고 글이 그 위로 지나간다 */
.scene { position: relative; background: var(--night); color: var(--on-dark); }
.scene-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.scene-stage .bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 55% at 72% 42%, rgba(77, 184, 242, 0.10) 0%, rgba(77, 184, 242, 0) 70%),
    radial-gradient(40% 40% at 78% 60%, rgba(46, 219, 127, 0.06) 0%, rgba(46, 219, 127, 0) 70%),
    linear-gradient(180deg, #05090D 0%, #071017 55%, #05090D 100%);
}
.scene-stage .grid {
  position: absolute; inset: 0; opacity: 0.5; pointer-events: none;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 88px 88px; background-position: center center;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 0%, transparent 75%);
}
.scene-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.scene-stage .shade { position: absolute; inset: auto 0 0 0; height: 24%; background: linear-gradient(180deg, rgba(5, 9, 13, 0), var(--night)); pointer-events: none; }
.scene-content { position: relative; z-index: 2; margin-top: -100vh; margin-top: -100svh; }
.panel { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding-block: calc(var(--header-h) + 32px) 48px; }
.panel .copy { width: min(100%, 560px); display: flex; flex-direction: column; gap: 22px; }

/* 히어로 */
.hero h1 { font-family: var(--font-body); font-size: clamp(38px, 5.4vw, 76px); line-height: 1.08; letter-spacing: -0.04em; font-weight: 700; }
html[lang="en"] .hero h1 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.035em; }
.hero h1 .accent { background: linear-gradient(90deg, var(--green) 0%, var(--sky) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.status {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; color: var(--on-dark-2);
  padding: 7px 14px 7px 12px; border-radius: 999px; border: 1px solid var(--line-dark-2); background: rgba(255, 255, 255, 0.03);
}
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(46, 219, 127, 0.6); animation: ping 2.4s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(46, 219, 127, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(46, 219, 127, 0); } 100% { box-shadow: 0 0 0 0 rgba(46, 219, 127, 0); } }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, auto)); justify-content: start; gap: 0; margin-top: 18px; border-top: 1px solid var(--line-dark); padding-top: 20px; }
.facts div { padding-right: clamp(16px, 2.4vw, 36px); margin-right: clamp(16px, 2.4vw, 36px); border-right: 1px solid var(--line-dark); display: flex; flex-direction: column; gap: 4px; }
.facts div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.facts dt { font: 600 11px/1.2 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-3); }
.facts dd { margin: 0; font-size: 14.5px; font-weight: 500; color: var(--on-dark); }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font: 600 10.5px/1 var(--font-display); letter-spacing: 0.24em; text-transform: uppercase; color: var(--on-dark-3); z-index: 3; transition: opacity 0.4s ease; }
.scroll-cue span { width: 1px; height: 40px; background: linear-gradient(var(--on-dark-3), transparent); position: relative; overflow: hidden; }
.scroll-cue span::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--white); animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { to { top: 110%; } }
.scene.past-hero .scroll-cue { opacity: 0; }

/* 히어로 글: 인트로가 끝나면 차례로 나타난다 */
.js .hero-anim { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: var(--d, 0s); }
.hero-ready .hero-anim { opacity: 1; transform: none; }

/* 기능 단계 */
.feature .copy { gap: 18px; }
.js .feature .copy { opacity: 0.16; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.js .feature.on .copy { opacity: 1; transform: none; }
.feature .idx { font: 600 13px/1 var(--font-display); letter-spacing: 0.16em; color: var(--green); display: flex; align-items: center; gap: 12px; }
.feature .idx b { font-weight: 600; color: var(--on-dark-3); }
.feature h3 { font-size: clamp(30px, 3.6vw, 48px); line-height: 1.16; letter-spacing: -0.035em; }
.feature p { font-size: clamp(16.5px, 1.3vw, 18.5px); color: var(--on-dark-2); max-width: 40ch; }
.feature .eg { align-self: flex-start; display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--on-dark-2); padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line-dark); background: rgba(255, 255, 255, 0.025); }
.feature .eg em { font-style: normal; color: var(--green); font-family: var(--font-display); font-weight: 600; }
.section-tag { display: flex; flex-direction: column; gap: 14px; margin-bottom: 8px; }
.section-tag h2 { font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.03em; color: var(--on-dark); }

.rail { position: absolute; left: var(--gutter); top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 14px; z-index: 3; opacity: 0; transition: opacity 0.5s var(--ease); pointer-events: none; }
.rail.show { opacity: 1; }
.rail span { display: flex; align-items: center; gap: 10px; font: 600 11px/1 var(--font-display); letter-spacing: 0.12em; color: var(--on-dark-3); transition: color 0.4s ease; }
.rail span::before { content: ""; width: 14px; height: 1px; background: currentColor; transition: width 0.4s var(--ease); }
.rail span.on { color: var(--white); }
.rail span.on::before { width: 28px; background: var(--green); }
@media (min-width: 1100px) { .scene-content .panel .wrap { padding-left: calc(var(--gutter) + 64px); } .scene-content .feature .wrap { padding-left: calc(var(--gutter) + 150px); } }
@media (max-width: 1099px) { .rail { display: none; } }

.no-webgl .scene-stage .fallback { display: block; }
.scene-stage .fallback { display: none; position: absolute; right: 8%; top: 50%; transform: translateY(-50%); width: min(38vw, 460px); opacity: 0.85; }

@media (max-width: 860px) {
  .panel { align-items: flex-end; padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px)); }
  .panel .copy { position: relative; }
  .panel .copy::before { content: ""; position: absolute; inset: -48px calc(-1 * var(--gutter)) -40px; background: linear-gradient(180deg, rgba(5, 9, 13, 0) 0%, rgba(5, 9, 13, 0.82) 22%, rgba(5, 9, 13, 0.94) 100%); z-index: -1; }
  .hero.panel { padding-top: 46vh; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .facts div { border-right: 0; margin-right: 0; padding-right: 0; flex-direction: row; justify-content: space-between; gap: 12px; }
  .scroll-cue { display: none; }
  .scene-stage .fallback { right: 50%; top: 26%; transform: translate(50%, -50%); width: 70vw; }
}

/* 일반 구역 */
.section { padding-block: clamp(88px, 11vw, 168px); position: relative; }
.section.paper { background: var(--paper); }
.section.dark { background: var(--night); color: var(--on-dark); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: end; margin-bottom: clamp(44px, 6vw, 88px); }
.section-head .t { display: flex; flex-direction: column; gap: 20px; }
.section-head h2 { font-size: clamp(32px, 4.2vw, 56px); line-height: 1.12; letter-spacing: -0.04em; }
.section-head .lead { justify-self: end; }
@media (max-width: 860px) { .section-head { grid-template-columns: minmax(0, 1fr); } .section-head .lead { justify-self: start; } }

/* 이용 방법 */
.flow { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.flow li { padding: 36px 36px 8px 0; display: flex; flex-direction: column; gap: 14px; position: relative; }
.flow li + li { padding-left: 36px; border-left: 1px solid var(--line); }
.flow .n { font: 600 13px/1 var(--font-display); letter-spacing: 0.14em; color: var(--muted-2); }
.flow .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--paper); color: var(--ink); margin: 6px 0 4px; }
.flow .ic svg { width: 22px; height: 22px; }
.flow h3 { font-size: 22px; letter-spacing: -0.03em; }
.flow p { color: var(--muted); }
.flow li::before { content: ""; position: absolute; top: -1px; left: 0; width: 0; height: 2px; background: var(--ink); transition: width 1.1s var(--ease); }
.flow li + li::before { left: -1px; }
.flow li.in::before { width: 56px; }
.note-row { margin-top: 36px; display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; }
.note-row svg { width: 16px; height: 16px; flex: none; }
@media (max-width: 860px) {
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow li, .flow li + li { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

/* 안심 */
.trust { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.trust article { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px 30px; display: flex; flex-direction: column; gap: 12px; }
.trust .ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: #EAF4FB; color: var(--sky-deep); margin-bottom: 6px; }
.trust .ic.g { background: #E7F7EE; color: var(--green-deep); }
.trust .ic svg { width: 20px; height: 20px; }
.trust h3 { font-size: 18.5px; letter-spacing: -0.025em; }
.trust p { color: var(--muted); font-size: 15px; }
@media (max-width: 1040px) { .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .trust { grid-template-columns: minmax(0, 1fr); } }

/* 숫자 */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark-2); }
.stat { padding: 36px 32px 0 0; display: flex; flex-direction: column; gap: 14px; }
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--line-dark); }
.stat b { font-family: var(--font-display); font-weight: 600; font-size: clamp(52px, 6.6vw, 96px); letter-spacing: -0.05em; line-height: 0.95; color: var(--white); font-variant-numeric: tabular-nums; }
.stat b small { font-size: 0.42em; font-weight: 600; letter-spacing: -0.02em; margin-left: 4px; color: var(--on-dark-2); }
.stat > span { color: var(--on-dark-2); font-size: 15px; max-width: 28ch; }
.source { margin-top: 40px; font-size: 13px; color: var(--muted-2); }
.on-dark .source, .section.dark .source { color: var(--on-dark-3); }
.section.dark .glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(50% 60% at 85% 0%, rgba(77, 184, 242, 0.12), transparent 70%), radial-gradient(40% 50% at 10% 100%, rgba(46, 219, 127, 0.07), transparent 70%); }
.section.dark .wrap { position: relative; }
@media (max-width: 760px) {
  .stats { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat + .stat { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line-dark); }
}

/* 사업 분야 카드(마우스를 따라 살짝 기운다) */
.biz { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; perspective: 1200px; }
.biz-card {
  position: relative; overflow: hidden; border-radius: var(--radius); padding: 30px 26px 26px; min-height: 300px;
  background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px;
  transform-style: preserve-3d; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.3s ease;
  will-change: transform;
}
.biz-card:hover { border-color: var(--line-2); box-shadow: 0 30px 60px -36px rgba(10, 18, 24, 0.35); }
.biz-card .glare { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.4s ease; background: radial-gradient(420px circle at var(--gx, 50%) var(--gy, 50%), rgba(77, 184, 242, 0.12), transparent 45%); }
.biz-card:hover .glare { opacity: 1; }
.biz-card .name { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.03em; }
.biz-card .name em { font-style: normal; font-weight: 600; }
.biz-card .who { font-size: 13px; font-weight: 600; color: var(--muted-2); letter-spacing: 0.01em; }
.biz-card p { color: var(--muted); font-size: 15px; }
.biz-card .more { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 600; color: var(--ink); text-decoration: none; }
.biz-card .more svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.biz-card:hover .more svg { transform: translateX(4px); }
.biz-card .bar { position: absolute; left: 0; top: 0; height: 3px; width: 100%; transform-origin: left; transform: scaleX(0.18); transition: transform 0.6s var(--ease); }
.biz-card:hover .bar { transform: scaleX(1); }
.c-trip { color: var(--sky-deep); } .bar.c-trip { background: var(--sky-deep); }
.c-expo { color: var(--green-deep); } .bar.c-expo { background: var(--green-deep); }
.c-studio { color: var(--ink-2); } .bar.c-studio { background: var(--ink-2); }
.c-insight { color: #12A35E; } .bar.c-insight { background: linear-gradient(90deg, var(--green-deep), var(--sky-deep)); }
@media (max-width: 1040px) { .biz { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .biz { grid-template-columns: minmax(0, 1fr); } .biz-card { min-height: 0; } }

/* 문의·신청 */
.contact { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.contact .side { display: flex; flex-direction: column; gap: 22px; position: sticky; top: calc(var(--header-h) + 32px); }
.contact .side h2 { font-size: clamp(32px, 4.2vw, 56px); line-height: 1.12; letter-spacing: -0.04em; }
.contact .channels { margin-top: 12px; border-top: 1px solid var(--line); }
.contact .channels a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact .channels a span:first-child { display: flex; flex-direction: column; gap: 2px; }
.contact .channels small { font: 600 11px/1.2 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.contact .channels b { font-weight: 600; font-size: 16px; }
.contact .channels svg { width: 18px; height: 18px; color: var(--muted-2); transition: transform 0.3s var(--ease), color 0.3s ease; }
.contact .channels a:hover svg { transform: translateX(4px); color: var(--ink); }
@media (max-width: 960px) { .contact { grid-template-columns: minmax(0, 1fr); } .contact .side { position: static; } }

.tabs { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); margin-bottom: 20px; max-width: 100%; }
.tabs button { border: 0; background: transparent; padding: 10px 18px; border-radius: 9px; font-weight: 600; font-size: 14.5px; color: var(--muted); cursor: pointer; transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease; }
.tabs button[aria-selected="true"] { background: var(--white); color: var(--ink); box-shadow: 0 1px 2px rgba(10, 18, 24, 0.08), 0 4px 12px -6px rgba(10, 18, 24, 0.18); }
.js .tab-panel[hidden] { display: none; }
.tab-panel .intro-text { color: var(--muted); margin-bottom: 20px; max-width: 60ch; }

.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: clamp(22px, 3.6vw, 40px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 18px; box-shadow: 0 40px 80px -60px rgba(10, 18, 24, 0.35); }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend { font-weight: 600; font-size: 14px; color: var(--ink-2); }
.field input[type=text], .field input[type=email], .field input[type=tel], .field input[type=date], .field textarea, .field select {
  font: 15.5px var(--font-body); padding: 13px 14px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--white); color: var(--ink); width: 100%; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--sky-deep); box-shadow: 0 0 0 4px rgba(10, 111, 179, 0.12); }
.field textarea { min-height: 120px; resize: vertical; }
.field input[type=date] { min-height: 49px; }
fieldset.field { border: 0; padding: 0; margin: 0; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label { position: relative; font-weight: 500; font-size: 14.5px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--line-2); border-radius: 10px; cursor: pointer; background: var(--white); transition: border-color 0.2s ease, background 0.2s ease; }
.choices label:hover { border-color: var(--muted-2); }
.choices label:has(input:checked) { border-color: var(--ink); background: var(--paper); }
.choices input { accent-color: var(--ink); margin: 0; }
.consent { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 12px; padding: 18px; border-radius: 12px; background: var(--paper); font-size: 14px; }
.consent label { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; color: var(--ink-2); }
.consent input { margin-top: 4px; accent-color: var(--ink); flex: none; }
.consent details { color: var(--muted); }
.consent summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.consent table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.consent th, .consent td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.consent th { white-space: nowrap; color: var(--ink-2); }
.submit-row { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 640px) { .form-card { grid-template-columns: minmax(0, 1fr); } }

/* 꼬리말 */
.site-footer { background: var(--night); color: var(--on-dark-2); padding-block: clamp(64px, 8vw, 104px) calc(40px + env(safe-area-inset-bottom, 0px)); font-size: 14px; border-top: 1px solid var(--line-dark); }
.foot-top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.6fr)); gap: 40px; padding-bottom: 56px; border-bottom: 1px solid var(--line-dark); }
.foot-brand { display: flex; flex-direction: column; gap: 18px; }
.foot-brand img { height: 28px; width: auto; display: block; align-self: flex-start; }
.foot-brand p { font-family: var(--font-display); font-size: clamp(20px, 2vw, 26px); font-weight: 600; letter-spacing: -0.03em; color: var(--on-dark); }
.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-col h4 { font: 600 11px/1.2 var(--font-display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-dark-3); margin-bottom: 4px; }
.foot-col a { color: var(--on-dark-2); text-decoration: none; transition: color 0.2s ease; }
.foot-col a:hover { color: var(--white); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; font-size: 13px; color: var(--on-dark-3); }
@media (max-width: 760px) { .foot-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .foot-brand { grid-column: 1 / -1; } }

/* 나타나기 */
.js .reveal.pre { opacity: 0; transform: translateY(28px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }

/* 하위 페이지(IR·가이드) */
.page-hero { position: relative; overflow: hidden; background: var(--night); color: var(--on-dark); padding-block: calc(var(--header-h) + clamp(64px, 9vw, 128px)) clamp(64px, 8vw, 112px); }
.page-hero .bg { position: absolute; inset: 0; background: radial-gradient(55% 70% at 85% 10%, rgba(77, 184, 242, 0.14), transparent 70%), radial-gradient(40% 60% at 5% 100%, rgba(46, 219, 127, 0.08), transparent 70%); }
.page-hero .grid { position: absolute; inset: 0; opacity: 0.55; background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px); background-size: 88px 88px; -webkit-mask-image: radial-gradient(70% 80% at 70% 20%, #000, transparent 75%); mask-image: radial-gradient(70% 80% at 70% 20%, #000, transparent 75%); }
.page-hero .wrap { position: relative; display: flex; flex-direction: column; gap: 24px; }
.page-hero h1 { font-size: clamp(36px, 5.2vw, 72px); line-height: 1.1; letter-spacing: -0.04em; max-width: 18ch; }
.page-hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

.doc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.doc-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 14px; }
.section.paper .doc-card { background: var(--white); }
.doc-card h3 { font-size: clamp(20px, 1.9vw, 24px); line-height: 1.3; letter-spacing: -0.03em; }
.doc-card ul, .doc-card ol { padding-left: 1.2em; color: var(--muted); display: flex; flex-direction: column; gap: 8px; }
.doc-card li::marker { color: var(--muted-2); }
.doc-card p { color: var(--muted); }
.doc-card b { color: var(--ink); font-weight: 600; }
@media (max-width: 860px) { .doc-grid { grid-template-columns: minmax(0, 1fr); } }

.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.kpi { padding: 32px 28px 0 0; display: flex; flex-direction: column; gap: 10px; }
.kpi + .kpi { padding-left: 28px; border-left: 1px solid var(--line); }
.kpi b { font-family: var(--font-display); font-weight: 600; font-size: clamp(44px, 5.4vw, 76px); letter-spacing: -0.05em; line-height: 0.95; font-variant-numeric: tabular-nums; }
.kpi b small { font-size: 0.42em; margin-left: 4px; color: var(--muted); }
.kpi > span { color: var(--muted); font-size: 15px; }
@media (max-width: 760px) { .kpis { grid-template-columns: minmax(0, 1fr); } .kpi, .kpi + .kpi { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); } }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 680px; }
.table th { text-align: left; font: 600 11.5px/1.2 var(--font-display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2); padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
.table td { padding: 18px 20px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.table .num { font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: #E7F7EE; color: var(--green-deep); white-space: nowrap; }
.tag.plan { background: var(--paper); color: var(--muted); }
.tag.now { background: #EAF4FB; color: var(--sky-deep); }

/* 감사 페이지 */
.thanks { min-height: 100vh; min-height: 100svh; display: grid; place-items: center; background: var(--night); color: var(--on-dark); position: relative; overflow: hidden; }
.thanks .bg { position: absolute; inset: 0; background: radial-gradient(50% 60% at 50% 30%, rgba(77, 184, 242, 0.14), transparent 70%); }
.thanks .box { position: relative; display: flex; flex-direction: column; gap: 22px; align-items: flex-start; max-width: 600px; }
.thanks h1 { font-size: clamp(32px, 4.6vw, 52px); letter-spacing: -0.04em; line-height: 1.15; }
.thanks .row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ---- 2026-10-08 두 사이트 구성(회사 seenu.kr · 여행 trip.seenu.kr) ---- */

/* 3D 장면 패널 안의 사업 정보(어두운 바탕) */
.panel .meta { display: grid; grid-template-columns: minmax(0, auto) minmax(0, 1fr); gap: 8px 18px; margin-top: 4px; padding-top: 18px; border-top: 1px solid var(--line-dark); font-size: 14.5px; }
.panel .meta dt { font: 600 11px/1.9 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-3); }
.panel .meta dd { margin: 0; color: var(--on-dark); }
.panel .go { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; color: var(--white); text-decoration: none; border-bottom: 1px solid var(--line-dark-2); padding-bottom: 4px; transition: border-color 0.25s ease; }
.panel .go:hover { border-color: var(--white); }
.panel .go svg { width: 15px; height: 15px; }
.panel .sub-link { font-size: 14px; color: var(--on-dark-2); }
.panel .sub-link a { color: var(--white); }

/* 문제·근거 목록 */
.points { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(40px, 5vw, 64px); }
.points li { border-top: 1px solid var(--line-dark-2); padding-top: 18px; display: flex; flex-direction: column; gap: 8px; color: var(--on-dark-2); font-size: 15px; }
.points li b { color: var(--white); font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.section:not(.dark) .points li { border-top-color: var(--line); color: var(--muted); }
.section:not(.dark) .points li b { color: var(--ink); }
@media (max-width: 860px) { .points { grid-template-columns: minmax(0, 1fr); } }

/* 성장 단계 */
.steps4 { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 28px; border-top: 1px solid var(--line); counter-reset: st; }
.steps4 li { padding: 24px 24px 0 0; display: flex; flex-direction: column; gap: 8px; counter-increment: st; }
.steps4 li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.steps4 li::before { content: "0" counter(st); font: 600 12px/1 var(--font-display); letter-spacing: 0.14em; color: var(--sky-deep); }
.steps4 h3 { font-size: 18px; }
.steps4 p { color: var(--muted); font-size: 14.5px; }
@media (max-width: 900px) { .steps4 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .steps4 li:nth-child(3) { border-left: 0; padding-left: 0; } .steps4 li { padding-bottom: 24px; } }
@media (max-width: 560px) { .steps4 { grid-template-columns: minmax(0, 1fr); } .steps4 li, .steps4 li + li { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); } }

/* 로드맵 */
.timeline { list-style: none; padding: 0; position: relative; display: flex; flex-direction: column; }
.timeline::before { content: ""; position: absolute; left: 152px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.timeline li { display: grid; grid-template-columns: 152px minmax(0, 1fr); gap: 0 40px; padding: 18px 0; position: relative; }
.timeline li::after { content: ""; position: absolute; left: 148px; top: 27px; width: 9px; height: 9px; border-radius: 50%; background: var(--white); border: 2px solid var(--line-2); }
.timeline li.done::after { background: var(--green-deep); border-color: var(--green-deep); }
.timeline li.now::after { background: var(--sky-deep); border-color: var(--sky-deep); box-shadow: 0 0 0 5px rgba(10, 111, 179, 0.14); }
.timeline .when { font: 600 14px/1.6 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; padding-right: 20px; }
.timeline .what { display: flex; flex-direction: column; gap: 4px; padding-left: 14px; }
.timeline .what b { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.timeline .what span { color: var(--muted); font-size: 15px; }
.timeline .tag { align-self: flex-start; margin-top: 4px; }
@media (max-width: 640px) {
  .timeline::before { left: 4px; }
  .timeline li { grid-template-columns: minmax(0, 1fr); padding-left: 26px; }
  .timeline li::after { left: 0; top: 24px; }
  .timeline .what { padding-left: 0; }
}

/* 어두운 구역의 숫자·카드 */
.section.dark .kpis { border-top-color: var(--line-dark-2); }
.section.dark .kpi + .kpi { border-left-color: var(--line-dark); }
.section.dark .kpi b { color: var(--white); }
.section.dark .kpi b small, .section.dark .kpi > span { color: var(--on-dark-2); }
@media (max-width: 760px) { .section.dark .kpi, .section.dark .kpi + .kpi { border-bottom-color: var(--line-dark); } }
.dark-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.dark-card { border: 1px solid var(--line-dark); background: rgba(255, 255, 255, 0.025); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 10px; }
.dark-card h3 { font-size: 18px; color: var(--white); }
.dark-card p, .dark-card li { color: var(--on-dark-2); font-size: 15px; }
.dark-card ul { padding-left: 1.1em; display: flex; flex-direction: column; gap: 6px; }
.dark-card .eyebrow { color: var(--sky); }
@media (max-width: 960px) { .dark-cards { grid-template-columns: minmax(0, 1fr); } }
.actions-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* 안내 띠(다른 사이트로 연결) */
.cta-band { position: relative; overflow: hidden; border-radius: 22px; background: var(--night); color: var(--on-dark); padding: clamp(32px, 5vw, 64px); display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 24px 40px; align-items: center; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 120% at 100% 0%, rgba(77, 184, 242, 0.18), transparent 60%), radial-gradient(40% 80% at 0% 100%, rgba(46, 219, 127, 0.1), transparent 60%); }
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.18; letter-spacing: -0.035em; }
.cta-band p { color: var(--on-dark-2); margin-top: 12px; max-width: 52ch; }
@media (max-width: 760px) { .cta-band { grid-template-columns: minmax(0, 1fr); } }

/* 여행 사이트: 두 프로그램 */
.programs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.program { position: relative; overflow: hidden; border-radius: 22px; border: 1px solid var(--line); background: var(--white); padding: clamp(26px, 3.4vw, 44px); display: flex; flex-direction: column; gap: 18px; }
.program .route { display: flex; align-items: center; gap: 12px; font: 600 13px/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; }
.program .route i { flex: 1; height: 1px; background: currentColor; opacity: 0.35; max-width: 64px; }
.program.out .route { color: var(--sky-deep); }
.program.in .route { color: var(--green-deep); }
.program h3 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.2; letter-spacing: -0.035em; }
.program > p { color: var(--muted); }
.program ol { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.program ol li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }
.program ol li > span:first-child { font: 600 12px/1.9 var(--font-display); letter-spacing: 0.12em; color: var(--muted-2); }
.program dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 16px; font-size: 14.5px; }
.program dt { font: 600 11px/1.9 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.program dd { margin: 0; color: var(--ink-2); }
.program .btn { align-self: flex-start; margin-top: auto; }
.program .glow { position: absolute; right: -80px; top: -80px; width: 240px; height: 240px; border-radius: 50%; filter: blur(10px); opacity: 0.6; pointer-events: none; }
.program.out .glow { background: radial-gradient(circle, rgba(77, 184, 242, 0.22), transparent 70%); }
.program.in .glow { background: radial-gradient(circle, rgba(46, 219, 127, 0.2), transparent 70%); }
@media (max-width: 900px) { .programs { grid-template-columns: minmax(0, 1fr); } }

/* 자주 묻는 질문 */
.faq { border-top: 1px solid var(--line); max-width: 920px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; font-size: 17.5px; font-weight: 600; letter-spacing: -0.02em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 12px; height: 12px; border-right: 1.6px solid var(--muted); border-bottom: 1.6px solid var(--muted); transform: rotate(45deg) translate(-3px, -3px); transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq details p { color: var(--muted); padding: 0 40px 22px 0; max-width: 72ch; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01s !important; }
  .js .feature .copy { opacity: 1; transform: none; }
}