:root {
  --bg: #0a1428;
  --bg-2: #0f1d38;
  --card: #13254a;
  --line: rgba(130, 180, 255, .16);
  --text: #eef3ff;
  --muted: #9fb0cf;
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, .14);
  --orange: #ff8a3d;
  --orange-soft: rgba(255, 138, 61, .14);
  --radius: 16px;
  --font: "Noto Sans KR", system-ui, -apple-system, "Apple SD Gothic Neo", sans-serif;
  --font-en: "Space Grotesk", "Noto Sans KR", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 16px; line-height: 1.7;
  word-break: keep-all; overflow-wrap: break-word;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); }
h1, h2, h3 { line-height: 1.3; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 760px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.blank { color: var(--orange); font-weight: 700; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 20px; border-radius: 999px; border: 1px solid transparent;
  font: 700 15px/1.3 var(--font); text-decoration: none; cursor: pointer; text-align: center;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--cyan); outline-offset: 2px;
}
.btn-accent { background: var(--orange); color: #1a0d02; }
.btn-accent:hover { background: #ff9d5c; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); }
.btn-lg { min-height: 54px; padding: 14px 26px; font-size: 16px; }
.btn-sm { min-height: 38px; padding: 6px 16px; font-size: 14px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(10, 20, 40, .82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 20px; height: 64px; }
.logo { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--text); margin-right: auto; }
.logo-mark { font: 700 22px/1 var(--font-en); letter-spacing: .04em; }
.logo-mark::first-letter { color: var(--cyan); }
.logo-sub { font-size: 12px; color: var(--muted); }
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text); }

/* hero */
.hero {
  padding: 72px 0 88px;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(34, 211, 238, .12), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(255, 138, 61, .08), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { font: 700 13px/1 var(--font-en); letter-spacing: .12em; color: var(--cyan); text-transform: uppercase; }
.slogan { margin-top: 12px; color: var(--muted); font-size: 15px; }
.hero h1 { margin-top: 18px; font-size: clamp(30px, 5vw, 52px); font-weight: 900; }
.hero h1 em { font-style: normal; color: var(--cyan); }
.lead { margin-top: 22px; font-size: clamp(17px, 2.2vw, 20px); font-weight: 500; }
.desc { margin-top: 14px; color: var(--muted); }
.axis { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font: 700 15px/1 var(--font-en); }
.axis span { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-2); }
.axis span.hl { color: var(--orange); border-color: rgba(255, 138, 61, .5); }
.axis i { color: var(--muted); font-style: normal; }
.cta-row { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }

/* radar */
.radar { position: relative; width: 100%; max-width: 460px; margin: 0 auto; aspect-ratio: 1 / 1.08; }
.radar-disc { position: absolute; inset: 8% 8% 14%; border-radius: 50%; overflow: hidden;
  background: radial-gradient(circle, rgba(34, 211, 238, .10), rgba(10, 20, 40, 0) 70%); border: 1px solid rgba(34, 211, 238, .35); }
.ring { position: absolute; border: 1px solid rgba(34, 211, 238, .2); border-radius: 50%; }
.r1 { inset: 16%; } .r2 { inset: 32%; } .r3 { inset: 44%; }
.cross::before, .cross::after { content: ""; position: absolute; background: rgba(34, 211, 238, .15); }
.cross::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.cross::after { top: 50%; left: 0; right: 0; height: 1px; }
.sweep { position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(34, 211, 238, .45), rgba(34, 211, 238, 0) 22%, transparent 100%);
  animation: spin 5s linear infinite; }
.core { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font: 700 13px/1 var(--font-en); letter-spacing: .1em; padding: 8px 12px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--cyan); color: var(--cyan); }
.radar-tags { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0 0 6%; }
.radar-tags .t { position: absolute; left: calc(12% + var(--x) * .76); top: var(--y); transform: translate(-50%, -50%);
  white-space: nowrap; font-size: 13px; font-weight: 500; padding: 5px 11px; border-radius: 999px;
  background: rgba(15, 29, 56, .92); border: 1px solid var(--line); animation: blip 4s ease-in-out infinite; }
.radar-tags .t.tel { border-color: rgba(34, 211, 238, .55); }
.radar-tags .t.eng { border-color: rgba(255, 138, 61, .55); }
.radar-tags .t:nth-child(2n) { animation-delay: .8s; }
.radar-tags .t:nth-child(3n) { animation-delay: 1.6s; }
.radar-tags .t:nth-child(5n) { animation-delay: 2.4s; }
.radar-legend { position: absolute; left: 0; right: 0; bottom: 0; text-align: center; font-size: 13px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin: 0 4px 0 10px; }
.dot.tel { background: var(--cyan); } .dot.eng { background: var(--orange); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blip { 0%, 100% { opacity: .75; } 50% { opacity: 1; box-shadow: 0 0 0 4px rgba(34, 211, 238, .08); } }
@media (prefers-reduced-motion: reduce) {
  .sweep, .radar-tags .t { animation: none; }
  html { scroll-behavior: auto; }
}

/* sections */
.sec { padding: 96px 0; }
.sec-alt { background: var(--bg-2); }
.sec-no { font: 700 13px/1 var(--font-en); letter-spacing: .12em; color: var(--cyan); margin-bottom: 14px; }
.sec h2 { font-size: clamp(26px, 3.8vw, 40px); font-weight: 900; }
.h2-sub { display: block; margin-top: 8px; font-size: .6em; font-weight: 500; color: var(--muted); }
.sec-lead { margin-top: 16px; max-width: 720px; color: var(--muted); font-size: 17px; }
.sub-h { margin-top: 40px; font-weight: 700; color: var(--muted); font-size: 14px; letter-spacing: .04em; }

/* 02 vs */
.vs-list { margin-top: 40px; display: grid; gap: 14px; }
.vs { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 14px; }
.vs p { padding: 20px 22px; border-radius: var(--radius); border: 1px solid var(--line); }
.vs small { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.vs-a { color: var(--muted); background: transparent; }
.vs-b { background: var(--card); border-color: rgba(34, 211, 238, .4) !important; font-weight: 700; }
.vs-arrow { align-self: center; color: var(--orange); font-size: 22px; font-weight: 700; }

/* 03 markets */
.markets { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.market { padding: 28px; border-radius: var(--radius); background: var(--card); border-top: 3px solid var(--cyan); }
.market.eng { border-top-color: var(--orange); }
.market-tag { font: 700 13px/1 var(--font-en); letter-spacing: .08em; color: var(--cyan); }
.market.eng .market-tag { color: var(--orange); }
.market h3 { margin: 12px 0 10px; font-size: 21px; }
.market p:last-child { color: var(--muted); }
.bridge { margin-top: 28px; font-size: 18px; }
.bridge strong { color: var(--cyan); }
.track-note { margin-top: 24px; padding: 20px 22px; border-radius: var(--radius); border: 1px dashed var(--line); }
.track-title { font-weight: 700; margin-bottom: 4px; color: var(--orange); }

/* 04 flow */
.flow { list-style: none; margin: 36px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; counter-reset: f; }
.flow li { position: relative; padding: 10px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-weight: 500; }
.flow li:not(:last-child)::after { content: "→"; margin-left: 12px; color: var(--cyan); }
.flow li.end { background: var(--orange-soft); border-color: rgba(255, 138, 61, .5); color: #ffd2b3; font-weight: 700; }
.stack { list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stack li { padding: 18px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); font-weight: 700; }
.stack b { display: block; font: 700 12px/1 var(--font-en); color: var(--cyan); margin-bottom: 8px; }

/* 05 steps */
.steps { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step-no { font: 700 13px/1 var(--font-en); letter-spacing: .08em; color: var(--orange); }
.step h3 { margin: 12px 0 10px; font-size: 19px; }
.step p:last-child { color: var(--muted); font-size: 15px; }
.made-with-ai { margin-top: 28px; padding: 18px 22px; border-left: 3px solid var(--cyan); background: var(--cyan-soft); border-radius: 0 12px 12px 0; }

/* 06 road */
.road { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.road li { position: relative; padding: 24px 22px; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); }
.road li:not(:last-child)::after { content: ""; position: absolute; right: -11px; top: 50%; width: 8px; height: 8px;
  border-top: 2px solid var(--cyan); border-right: 2px solid var(--cyan); transform: translateY(-50%) rotate(45deg); }
.road-k { font: 700 13px/1 var(--font-en); letter-spacing: .12em; color: var(--cyan); }
.road-r { margin: 8px 0 10px; font: 700 20px/1.2 var(--font-en); }
.road li p:last-child { color: var(--muted); font-size: 15px; }
.road li.goal { background: linear-gradient(160deg, rgba(255, 138, 61, .22), rgba(255, 138, 61, .06)); border: 1px solid rgba(255, 138, 61, .6); }
.road li.goal .road-k { color: var(--orange); }
.road li.goal p:last-child { color: var(--text); }

/* 07 people */
.people { margin-top: 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
.people > div { padding: 28px; border-radius: var(--radius); background: var(--card); }
.people-no { background: transparent !important; border: 1px solid var(--line); }
.people h3 { font-size: 18px; margin-bottom: 14px; }
.checks, .crosses { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checks li, .crosses li { position: relative; padding-left: 28px; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 900; }
.crosses li { color: var(--muted); }
.crosses li::before { content: "—"; position: absolute; left: 0; color: var(--orange); }

/* 08 founder */
.founder { margin-top: 40px; display: grid; grid-template-columns: 320px 1fr; gap: 40px; align-items: start; }
.founder-photo { margin: 0; position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-fallback { display: none; }
.founder-photo.no-photo .photo-fallback { display: grid; place-items: center; position: absolute; inset: 0; font: 700 14px/1 var(--font-en); letter-spacing: .2em; color: var(--muted); }
.proof { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.proof div { padding: 16px 18px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.proof dt { font: 700 16px/1.2 var(--font-en); color: var(--cyan); }
.proof dd { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.founder-msg { margin: 24px 0 0; padding: 24px 26px; border-left: 3px solid var(--orange); background: var(--bg-2); border-radius: 0 var(--radius) var(--radius) 0; }
.founder-msg p + p { margin-top: 12px; }
.founder-msg footer { margin-top: 16px; font-weight: 700; color: var(--orange); }

/* 09 diagnosis */
.sec-diag { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.diag { margin-top: 32px; padding: 28px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }
.hp { position: absolute; left: -9999px; }
.progress { height: 6px; border-radius: 999px; background: var(--bg); overflow: hidden; }
.progress-bar { display: block; height: 100%; width: 12.5%; background: linear-gradient(90deg, var(--cyan), var(--orange)); transition: width .25s ease; }
.progress-label { margin-top: 8px; font: 700 13px/1 var(--font-en); color: var(--muted); text-align: right; }
.q { border: 0; margin: 12px 0 0; padding: 0; min-width: 0; }
.js .q { display: none; }
.js .q.is-active { display: block; }
.q legend { padding: 0; font-size: 20px; font-weight: 700; margin-bottom: 18px; line-height: 1.45; }
.q legend b { color: var(--cyan); margin-right: 4px; }
.q + .q { margin-top: 32px; }
html:not(.js) [data-next], html:not(.js) [data-prev], html:not(.js) .progress, html:not(.js) .progress-label { display: none !important; }
.js .q + .q { margin-top: 12px; }
.hint { color: var(--muted); font-size: 14px; margin: -8px 0 12px; }
.opt { display: block; margin-top: 10px; cursor: pointer; }
.opt input { position: absolute; opacity: 0; }
.opt span { display: block; padding: 15px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); font-weight: 500; transition: border-color .15s, background .15s; }
.opt small { display: block; color: var(--muted); font-size: 13px; font-weight: 400; }
.opt:hover span { border-color: rgba(34, 211, 238, .5); }
.opt input:checked + span { border-color: var(--cyan); background: var(--cyan-soft); }
.opt input:focus-visible + span { outline: 3px solid var(--cyan); outline-offset: 2px; }
textarea, .field input {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--text); font: 400 16px/1.6 var(--font); resize: vertical;
}
textarea:focus, .field input:focus { border-color: var(--cyan); outline: none; }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.consent { margin-top: 8px; padding: 18px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); font-size: 14px; }
.consent-title { font-weight: 700; margin-bottom: 8px; }
.consent ul { margin: 0 0 10px; padding-left: 18px; color: var(--muted); }
.consent-note { color: var(--muted); }
.check { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; cursor: pointer; font-weight: 500; color: var(--text); font-size: 15px; }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--orange); flex: none; }
.form-error { margin-top: 16px; color: #ffb48a; font-weight: 500; }
.diag-nav { margin-top: 24px; display: flex; gap: 10px; justify-content: flex-end; }
.diag-nav [data-prev] { margin-right: auto; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

.result { margin-top: 32px; padding: 34px 28px; border-radius: 20px; background: var(--card); border: 1px solid rgba(34, 211, 238, .45); text-align: center; }
.result:focus { outline: none; }
.result-kicker { font: 700 13px/1 var(--font-en); letter-spacing: .1em; color: var(--cyan); }
.result-type { margin-top: 12px; font-size: clamp(30px, 5vw, 40px); font-weight: 900; }
.result-msg { margin: 14px auto 0; max-width: 520px; font-size: 17px; }
.result-extra { margin: 22px auto 0; max-width: 520px; display: grid; gap: 10px; text-align: left; }
.result-extra p { padding: 14px 16px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); font-size: 15px; }
.result-extra .result-leader { border-color: rgba(255, 138, 61, .6); background: var(--orange-soft); }
.result-cta { margin-top: 26px; display: flex; flex-direction: column; align-items: center; gap: 10px; }

/* 10 faq */
.faq { margin-top: 32px; display: grid; gap: 10px; }
.faq details { border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 48px 18px 20px; font-weight: 700; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--cyan); font-size: 22px; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 20px 18px; color: var(--muted); }

/* banner + footer */
.banner { padding: 72px 0; background: linear-gradient(120deg, rgba(34, 211, 238, .14), rgba(255, 138, 61, .14)); border-top: 1px solid var(--line); }
.banner-in { text-align: center; display: grid; gap: 12px; justify-items: center; }
.banner-k { font: 700 clamp(28px, 5vw, 44px)/1.1 var(--font-en); }
.banner-in .btn { margin-top: 10px; }
.foot { padding: 48px 0 56px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.foot-logo { font: 700 18px/1 var(--font-en); color: var(--text); margin-bottom: 16px; }
.foot-logo span { font: 400 12px var(--font); color: var(--muted); margin-left: 6px; }
.foot-notice { max-width: 760px; }
.foot-biz { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.foot-biz a { color: var(--text); }
.foot-copy { margin-top: 16px; }

/* legal pages */
.legal { padding: 56px 0 96px; }
.legal h1 { font-size: clamp(26px, 4vw, 36px); font-weight: 900; }
.legal h2 { margin-top: 36px; font-size: 19px; }
.legal p, .legal li { color: #cdd7ea; }
.legal p { margin-top: 10px; }
.legal ul, .legal ol { padding-left: 20px; }
.legal table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
.legal th, .legal td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.legal th { background: var(--bg-2); }
.legal .table-scroll { overflow-x: auto; }
.legal-meta { color: var(--muted); margin-top: 8px; }
.thanks { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 64px 0; }
.thanks h1 { font-size: clamp(26px, 4vw, 36px); }
.thanks p { margin-top: 14px; color: var(--muted); }
.thanks .btn { margin-top: 28px; }

/* responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .radar { max-width: 420px; }
  .steps { grid-template-columns: 1fr; }
  .road { grid-template-columns: 1fr 1fr; }
  .road li:nth-child(2)::after { display: none; }
  .stack { grid-template-columns: repeat(2, 1fr); }
  .founder { grid-template-columns: 1fr; }
  .founder-photo { max-width: 300px; }
  .people { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .logo-sub { display: none; }
  .br-lg { display: none; }
  .hero { padding: 44px 0 64px; }
  .sec { padding: 72px 0; }
  .cta-row .btn { width: 100%; }
  .vs { grid-template-columns: 1fr; gap: 6px; }
  .vs-arrow { transform: rotate(90deg); justify-self: center; font-size: 18px; }
  .markets { grid-template-columns: 1fr; }
  .road { grid-template-columns: 1fr; }
  .road li::after { display: none; }
  .proof { grid-template-columns: 1fr; }
  .diag { padding: 20px 16px; }
  .q legend { font-size: 18px; }
  .radar-tags .t { font-size: 11px; padding: 4px 8px; }
  .result { padding: 28px 18px; }
  .result-cta .btn { width: 100%; }
}
@media (max-width: 380px) {
  .wrap { padding: 0 16px; }
  .radar-tags .t { font-size: 10px; }
}