:root {
  --ink: #07111f;
  --ink-soft: #344155;
  --paper: #f4f7f9;
  --white: #ffffff;
  --line: rgba(7, 17, 31, 0.14);
  --cyan: #4de4d4;
  --blue: #3178ff;
  --shell: min(1180px, calc(100vw - 48px));
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans KR", sans-serif; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 14px; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .25s ease, border-color .25s ease; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(244,247,249,.88); backdrop-filter: blur(18px); border-color: var(--line); }
.nav-wrap { height: 78px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 700 17px/1 "Manrope", sans-serif; letter-spacing: -.02em; }
.brand-mark { width: 28px; height: 22px; position: relative; display: inline-block; }
.brand-mark i { position: absolute; top: 3px; width: 15px; height: 15px; border: 2px solid currentColor; border-radius: 50%; }
.brand-mark i:first-child { left: 0; border-right-color: transparent; }
.brand-mark i:last-child { right: 0; border-left-color: transparent; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 600; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--blue); }
.nav-cta { padding: 10px 18px; border: 1px solid var(--ink); border-radius: 100px; }
.menu-button { display: none; border: 0; background: transparent; padding: 10px; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px; }

.hero { min-height: 820px; padding: 150px 0 94px; position: relative; overflow: hidden; }
.hero-glow { position: absolute; width: 720px; height: 720px; right: -180px; top: -240px; border-radius: 50%; background: radial-gradient(circle, rgba(77,228,212,.25), rgba(49,120,255,.08) 48%, transparent 70%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 72px; }
.eyebrow, .section-index { font: 700 12px/1.3 "Manrope", sans-serif; letter-spacing: .16em; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); }
.eyebrow span { width: 26px; height: 2px; background: var(--cyan); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 26px 0 28px; font-size: clamp(52px, 6vw, 82px); line-height: 1.08; letter-spacing: -.065em; font-weight: 600; }
h1 em { color: var(--blue); font-style: normal; }
.hero-lead { max-width: 570px; color: var(--ink-soft); font-size: 18px; line-height: 1.85; word-break: keep-all; }
.hero-actions { margin-top: 38px; display: flex; align-items: center; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 52px; padding: 0 24px; border-radius: 100px; font-weight: 700; font-size: 14px; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--blue); }
.text-link { font-weight: 600; font-size: 14px; border-bottom: 1px solid var(--ink); padding-block: 4px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 58px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.hero-facts div { display: grid; gap: 5px; }
.hero-facts dt { font: 700 10px/1 "Manrope", sans-serif; letter-spacing: .15em; color: var(--blue); }
.hero-facts dd { margin: 0; font-size: 13px; color: var(--ink-soft); }
.hero-visual { position: relative; }
.image-frame { padding: 14px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.95); border-radius: 38px; box-shadow: 0 38px 90px rgba(24,54,88,.18); transform: rotate(1.2deg); }
.image-frame img { aspect-ratio: 4 / 5; object-fit: cover; border-radius: 27px; background: #dfe7ec; }
.image-note { display: block; padding: 12px 8px 2px; font: 700 10px/1 "Manrope", sans-serif; letter-spacing: .16em; color: #637083; }
.orbit-card { position: absolute; display: grid; min-width: 122px; padding: 15px 18px; color: var(--ink); background: rgba(255,255,255,.9); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.9); border-radius: 16px; box-shadow: 0 15px 35px rgba(7,17,31,.1); }
.orbit-card b { font: 700 10px/1.3 "Manrope", sans-serif; letter-spacing: .12em; color: var(--blue); }
.orbit-card span { font-size: 13px; }
.orbit-card-a { left: -44px; top: 17%; }
.orbit-card-b { right: -28px; bottom: 16%; }

.problem-strip { background: var(--white); border-block: 1px solid var(--line); }
.strip-grid { min-height: 126px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.strip-grid > p { margin: 0; font-size: 20px; font-weight: 600; }
.strip-flow { display: flex; align-items: center; gap: 16px; color: var(--ink-soft); font-size: 14px; }
.strip-flow i { color: var(--blue); font-style: normal; }

.section { padding: 140px 0; }
.section-heading { max-width: 700px; }
.section-index { color: var(--blue); margin-bottom: 24px; }
.section-heading h2 { font-size: clamp(38px, 5vw, 64px); line-height: 1.2; letter-spacing: -.055em; font-weight: 600; word-break: keep-all; }
.vision-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; margin-top: 80px; }
.vision-intro { color: var(--ink-soft); font-size: 18px; line-height: 1.9; word-break: keep-all; }
.principles { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 50px 1fr 1.15fr; gap: 24px; align-items: baseline; padding: 28px 0; border-bottom: 1px solid var(--line); }
.principle > span { font: 700 11px "Manrope", sans-serif; color: var(--blue); }
.principle h3 { margin: 0; font: 700 18px "Manrope", sans-serif; }
.principle p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.difference { color: var(--white); background: var(--ink); }
.difference-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; }
.section-heading.light .section-index { color: var(--cyan); }
.section-heading.light > p:last-child { max-width: 520px; color: #aeb9c9; font-size: 17px; }
.feature-stack { border-top: 1px solid rgba(255,255,255,.18); }
.feature { display: grid; grid-template-columns: 50px 1fr; gap: 24px; padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.feature-number { font: 700 12px "Manrope", sans-serif; color: var(--cyan); }
.feature h3 { margin-bottom: 10px; font-size: 22px; }
.feature p { margin: 0; max-width: 510px; color: #aeb9c9; font-size: 15px; }

.roadmap { background: var(--white); }
.roadmap-list { list-style: none; margin: 76px 0 0; padding: 0; border-top: 1px solid var(--line); }
.roadmap-list li { display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 30px; min-height: 112px; border-bottom: 1px solid var(--line); }
.roadmap-list li > span { font: 700 13px "Manrope", sans-serif; color: #8e9bab; }
.roadmap-list strong { font-size: 20px; }
.roadmap-list p { margin: 4px 0 0; color: var(--ink-soft); font-size: 14px; }
.roadmap-list b { padding: 7px 12px; border: 1px solid var(--line); border-radius: 50px; font: 700 10px "Manrope", sans-serif; letter-spacing: .1em; color: #718095; }
.roadmap-list .complete b { color: #168c75; border-color: rgba(22,140,117,.35); background: rgba(77,228,212,.1); }
.roadmap-list .active b { color: var(--blue); border-color: rgba(49,120,255,.35); background: rgba(49,120,255,.08); }

.partnership { background: linear-gradient(180deg, var(--paper), #e7eef4); }
.partnership-card { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; padding: 80px; color: var(--white); background: linear-gradient(135deg, #0a1728 0%, #142946 72%, #0b5961 130%); border-radius: 34px; box-shadow: 0 30px 70px rgba(7,17,31,.15); }
.partnership-card .section-index { color: var(--cyan); }
.partnership-card h2 { margin: 0; font-size: clamp(38px, 4.5vw, 58px); line-height: 1.2; letter-spacing: -.05em; }
.partner-copy > p { color: #bac7d8; font-size: 17px; }
.partner-copy ul { margin: 30px 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.partner-copy li { padding-left: 18px; position: relative; font-size: 14px; }
.partner-copy li::before { content: ""; position: absolute; left: 0; top: .75em; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.contact-pending { display: inline-flex; align-items: center; gap: 9px; margin-top: 16px; padding: 12px 18px; border: 1px solid rgba(255,255,255,.25); border-radius: 100px; color: #dbe4ed; background: transparent; font: 600 14px "Noto Sans KR", sans-serif; cursor: pointer; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.contact-pending:hover { color: var(--white); border-color: var(--cyan); transform: translateY(-2px); }
.contact-pending span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(77,228,212,.1); }

.contact-dialog { width: min(590px, calc(100vw - 28px)); max-height: calc(100vh - 28px); padding: 0; color: var(--ink); background: transparent; border: 0; border-radius: 28px; overflow: visible; }
.contact-dialog::backdrop { background: rgba(3,10,20,.72); backdrop-filter: blur(8px); }
.dialog-panel { position: relative; max-height: calc(100vh - 28px); padding: 48px; background: var(--white); border: 1px solid rgba(255,255,255,.8); border-radius: 28px; box-shadow: 0 30px 90px rgba(0,0,0,.32); overflow-y: auto; }
.dialog-close { position: absolute; top: 18px; right: 20px; display: grid; place-items: center; width: 38px; height: 38px; padding: 0; color: var(--ink-soft); background: var(--paper); border: 0; border-radius: 50%; font: 400 27px/1 sans-serif; cursor: pointer; }
.dialog-close:hover { color: var(--ink); background: #e6edf2; }
.contact-dialog .section-index { margin-bottom: 14px; }
.contact-dialog h2 { margin-bottom: 12px; font-size: clamp(32px, 5vw, 46px); line-height: 1.2; letter-spacing: -.045em; }
.dialog-intro { margin-bottom: 30px; color: var(--ink-soft); font-size: 15px; word-break: keep-all; }
.contact-form { display: grid; gap: 20px; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-field { display: grid; gap: 9px; }
.form-field > span { font-size: 14px; font-weight: 700; }
.form-field b { color: var(--blue); }
.form-field input, .form-field textarea { width: 100%; padding: 14px 15px; color: var(--ink); background: #f8fafb; border: 1px solid #cfd8e1; border-radius: 12px; font: 400 16px/1.5 "Noto Sans KR", sans-serif; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.form-field textarea { min-height: 150px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(49,120,255,.11); }
.consent-field { display: grid; grid-template-columns: 19px 1fr; gap: 10px; align-items: start; color: var(--ink-soft); font-size: 13px; cursor: pointer; }
.consent-field input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--blue); }
.form-submit { display: flex; justify-content: space-between; align-items: center; width: 100%; min-height: 54px; padding: 0 20px; color: var(--white); background: var(--ink); border: 0; border-radius: 14px; font: 700 15px "Noto Sans KR", sans-serif; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.form-submit:hover { background: var(--blue); transform: translateY(-1px); }
.form-submit:disabled { cursor: wait; opacity: .65; transform: none; }
.form-status { min-height: 24px; margin: -8px 0 0; font-size: 14px; }
.form-status.success { color: #087d65; }
.form-status.error { color: #c03535; }

footer { background: #e7eef4; padding: 42px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; border-top: 1px solid var(--line); padding-top: 34px; }
.footer-grid p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.footer-grid p:last-child { text-align: right; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; transition-delay: calc(var(--delay, 0) * 90ms); }
.reveal.visible { opacity: 1; transform: none; }
[data-delay="1"] { --delay: 1; }
[data-delay="2"] { --delay: 2; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 680px); }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 68px; left: 18px; right: 18px; display: none; padding: 22px; background: rgba(244,247,249,.98); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 18px 50px rgba(7,17,31,.12); }
  .site-nav.open { display: grid; gap: 18px; }
  .nav-cta { text-align: center; }
  .hero { padding-top: 128px; }
  .hero-grid, .vision-layout, .difference-grid, .partnership-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 70px; }
  .hero-copy { max-width: 620px; }
  .hero-visual { max-width: 570px; margin-inline: auto; }
  .vision-layout, .difference-grid { gap: 56px; }
  .strip-grid { padding: 28px 0; align-items: flex-start; flex-direction: column; }
  .section { padding: 100px 0; }
  .partnership-card { gap: 42px; padding: 56px 42px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid p:nth-child(2) { text-align: right; }
  .footer-grid p:last-child { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 28px); }
  .nav-wrap { height: 66px; }
  .hero { min-height: auto; padding: 110px 0 70px; }
  h1 { font-size: 46px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-facts { grid-template-columns: 1fr; }
  .image-frame { padding: 9px; border-radius: 26px; }
  .image-frame img { border-radius: 19px; }
  .orbit-card { min-width: 104px; padding: 11px 13px; }
  .orbit-card-a { left: -3px; top: 12%; }
  .orbit-card-b { right: -3px; bottom: 13%; }
  .strip-flow { flex-wrap: wrap; }
  .section-heading h2 { font-size: 39px; }
  .principle { grid-template-columns: 34px 1fr; }
  .principle p { grid-column: 2; }
  .roadmap-list li { grid-template-columns: 38px 1fr; gap: 14px; padding: 24px 0; }
  .roadmap-list b { grid-column: 2; justify-self: start; }
  .partnership-card { width: calc(100% - 20px); padding: 42px 25px; border-radius: 26px; }
  .partner-copy ul { grid-template-columns: 1fr; }
  .dialog-panel { padding: 42px 22px 28px; border-radius: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid p:nth-child(2), .footer-grid p:last-child { text-align: left; grid-column: auto; }
}