:root {
  --ink: #12162a;
  --ink-2: #33384d;
  --muted: #6d7283;
  --line: #e6e7ec;
  --paper: #fffdf8;
  --soft: #f6f4ff;
  --purple: #7056d9;
  --purple-dark: #5942b6;
  --mint: #b9f6dc;
  --yellow: #ffd66b;
  --coral: #ff9d88;
  --blue: #91c8ff;
  --white: #fff;
  --shadow: 0 24px 70px rgba(18, 22, 42, 0.11);
  --radius-xl: 34px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link { position: absolute; left: -9999px; top: 0; }
.skip-link:focus {
  left: 16px; top: 16px; z-index: 1000;
  padding: 10px 14px; border-radius: 10px; background: #fff;
}
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 253, 248, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(230, 231, 236, .78);
}
.header-inner {
  min-height: 72px;
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 900; letter-spacing: -.04em;
}
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 12px;
  background: var(--ink); color: var(--yellow);
}
.brand-name { font-size: 1.07rem; }
.brand-name b { color: var(--purple); }
.nav {
  margin-left: auto;
  display: flex; gap: 24px;
  font-size: .92rem; font-weight: 800; color: var(--ink-2);
}
.nav a:hover { color: var(--purple); }
.header-cta {
  padding: 10px 16px; border-radius: 999px;
  background: var(--ink); color: #fff;
  font-weight: 850; font-size: .86rem;
}

.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(circle at 78% 24%, rgba(112, 86, 217, .35), transparent 24%),
    linear-gradient(135deg, #0e1325 0%, #16142d 58%, #211444 100%);
}
.hero-grid {
  min-height: 690px;
  display: grid; grid-template-columns: 1.05fr .95fr;
  align-items: center; gap: 76px;
  padding: 70px 0;
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(20px);
  pointer-events: none;
}
.hero-glow-a {
  width: 320px; height: 320px; right: 6%; top: 8%;
  background: rgba(185, 246, 220, .09);
}
.hero-glow-b {
  width: 380px; height: 380px; right: 18%; bottom: -24%;
  background: rgba(255, 214, 107, .09);
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-size: .78rem; font-weight: 950; letter-spacing: .17em;
}
.eyebrow.dark { color: var(--purple-dark); }
.hero h1, .section-heading h2, .free-grid h2, .stage-copy h2 {
  margin: 0; letter-spacing: -.06em; line-height: 1.02;
}
.hero h1 { font-size: clamp(3rem, 6vw, 5.6rem); }
.hero h1 span { color: var(--yellow); }
.hero-text {
  max-width: 610px; margin: 28px 0 30px;
  color: rgba(255,255,255,.74); font-size: 1.08rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  border: 0; border-radius: 14px;
  padding: 14px 18px;
  font-weight: 900;
  transition: transform .18s ease, opacity .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--yellow); color: var(--ink); }
.button-secondary {
  color: #fff; background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.16);
}
.button-dark { background: var(--ink); color: #fff; }
.button-accent { background: var(--mint); color: var(--ink); }
.button-full { width: 100%; }
.microcopy { margin: 14px 0 0; color: rgba(255,255,255,.46); font-size: .8rem; }

.hero-visual {
  position: relative; min-height: 470px;
  display: grid; place-items: center;
  border-radius: 40px;
  background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 38px 90px rgba(0,0,0,.28);
  overflow: hidden;
}
.lab-core {
  position: relative; z-index: 4;
  width: 180px; height: 180px;
  display: grid; place-content: center; text-align: center;
  border-radius: 52px;
  background: linear-gradient(145deg, #fff7d7, #ffd66b);
  color: var(--ink);
  transform: rotate(-5deg);
  box-shadow: 0 28px 65px rgba(255,214,107,.18);
}
.core-label { font-size: .72rem; font-weight: 950; letter-spacing: .16em; }
.lab-core strong { font-size: 3.6rem; line-height: 1; letter-spacing: -.08em; }
.orbit {
  position: absolute; left: 50%; top: 50%;
  border: 1px solid rgba(255,255,255,.13); border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-14deg);
}
.orbit-1 { width: 390px; height: 220px; }
.orbit-2 { width: 470px; height: 300px; transform: translate(-50%, -50%) rotate(30deg); }
.orb {
  position: absolute; z-index: 5;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  font-size: 1.45rem;
}
.orb-1 { left: 13%; top: 22%; }
.orb-2 { right: 11%; top: 31%; }
.orb-3 { left: 17%; bottom: 15%; }
.orb-4 { right: 17%; bottom: 15%; }

.intro-strip { background: #fff; border-bottom: 1px solid var(--line); }
.intro-grid { min-height: 116px; display: grid; grid-template-columns: repeat(4,1fr); }
.intro-grid > div {
  display: flex; flex-direction: column; justify-content: center;
  padding: 22px 28px; border-right: 1px solid var(--line);
}
.intro-grid > div:first-child { border-left: 1px solid var(--line); }
.intro-grid strong { font-size: .98rem; }
.intro-grid span { margin-top: 3px; color: var(--muted); font-size: .82rem; }

.section { padding: 108px 0; }
.section-soft { background: var(--soft); }
.section-heading { margin-bottom: 50px; }
.section-heading h2, .free-grid h2, .stage-copy h2 {
  font-size: clamp(2.15rem, 4.5vw, 3.8rem);
}
.split-heading {
  display: grid; grid-template-columns: 1fr .75fr;
  gap: 70px; align-items: end;
}
.split-heading > p, .section-copy, .stage-copy > p {
  margin: 0; color: var(--muted); font-size: 1rem;
}

.tool-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 20px;
}
.tool-card {
  min-height: 370px;
  padding: 30px;
  display: flex; flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 16px 42px rgba(18,22,42,.045);
}
.tool-card-dark {
  color: #fff; background: var(--ink);
  border-color: var(--ink);
}
.tool-card-space { background: linear-gradient(145deg, #fff, #f4f0ff); }
.tool-card-story { background: linear-gradient(145deg, #fff, #fff2ee); }
.tool-card-escape { background: linear-gradient(145deg, #fff, #eff8ff); }
.tool-top { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.tool-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: rgba(112,86,217,.09);
  font-size: 1.45rem;
}
.tool-card-dark .tool-icon { background: rgba(255,255,255,.1); }
.status {
  padding: 7px 10px; border-radius: 999px;
  background: rgba(18,22,42,.06);
  color: var(--ink-2);
  font-size: .72rem; font-weight: 900;
}
.status-live { background: rgba(185,246,220,.16); color: var(--mint); }
.status-ready { background: rgba(255,214,107,.14); color: var(--yellow); }
.tool-body { margin-top: auto; padding-top: 48px; }
.tool-kicker { margin: 0 0 8px; font-size: .74rem; font-weight: 950; letter-spacing: .14em; color: var(--purple); }
.tool-card-dark .tool-kicker { color: var(--mint); }
.tool-card h3 { margin: 0; font-size: 2rem; letter-spacing: -.045em; }
.tool-card p:not(.tool-kicker) { color: var(--muted); max-width: 520px; }
.tool-card-dark p:not(.tool-kicker) { color: rgba(255,255,255,.6); }
.card-action {
  margin-top: 24px; padding: 0;
  display: flex; align-items: center; justify-content: space-between;
  border: 0; background: transparent;
  color: var(--ink); font-weight: 900; text-align: left;
}
.card-action.light { color: #fff; }
.card-action span { font-size: 1.25rem; }

.free-grid {
  display: grid; grid-template-columns: .85fr 1.15fr;
  gap: 70px; align-items: center;
}
.free-stack { display: grid; gap: 14px; }
.free-card {
  width: 100%;
  padding: 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  border-radius: 24px; border: 1px solid var(--line);
  background: #fff; text-align: left;
  box-shadow: 0 12px 32px rgba(18,22,42,.04);
}
button.free-card { color: inherit; }
.free-card strong { display: block; font-size: 1.1rem; }
.free-card p { margin: 3px 0 0; color: var(--muted); font-size: .86rem; }
.free-card .arrow { font-size: 1.5rem; font-weight: 900; }
.mini-label { display: block; margin-bottom: 5px; color: var(--purple); font-size: .69rem; font-weight: 950; letter-spacing: .12em; }
.free-card.is-muted { opacity: .72; }

.product-stage {
  color: #fff;
  background: linear-gradient(135deg, #12162a, #1d1940);
}
.stage-grid {
  display: grid; grid-template-columns: 1fr .72fr;
  gap: 76px; align-items: center;
}
.stage-copy > p { margin-top: 22px; color: rgba(255,255,255,.58); }
.stage-card {
  padding: 28px;
  border-radius: 30px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
}
.stage-card-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.stage-id { color: rgba(255,255,255,.42); font-size: .8rem; font-weight: 900; }
.stage-placeholder {
  min-height: 230px; margin: 20px 0;
  display: grid; place-items: center;
  border-radius: 20px; border: 1px dashed rgba(255,255,255,.18);
  background: rgba(255,255,255,.035);
  color: rgba(255,255,255,.36); font-weight: 850;
}
.stage-card h3 { margin: 0 0 18px; font-size: 1.45rem; }
.price-line {
  display: flex; justify-content: space-between; gap: 20px;
  margin-bottom: 20px; padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,.09);
}
.price-line span { color: rgba(255,255,255,.5); }
.price-line strong { font-size: 2rem; letter-spacing: -.04em; }
.stage-help { color: rgba(255,255,255,.4); margin: 10px 0 0; font-size: .78rem; }

.faq-layout {
  display: grid; grid-template-columns: .78fr 1.22fr;
  gap: 70px;
}
.faq-title { position: sticky; top: 118px; align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  list-style: none; padding: 22px 4px;
  cursor: pointer; font-weight: 900;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; color: var(--purple); font-size: 1.25rem; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin: -6px 0 22px; color: var(--muted); }

.site-footer { padding: 70px 0 26px; background: #f1f0eb; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.footer-brand { margin-bottom: 12px; }
.footer-grid p { color: var(--muted); }
.footer-legal { display: grid; gap: 4px; color: var(--muted); font-size: .84rem; }
.footer-legal strong { color: var(--ink); margin-bottom: 4px; }
.footer-bottom {
  margin-top: 54px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 20px;
  border-top: 1px solid #d9d8d3;
  color: #7a7c85; font-size: .76rem;
}

.product-dialog {
  width: min(calc(100% - 32px), 560px);
  padding: 34px;
  border: 0; border-radius: 28px;
  color: var(--ink); background: #fff;
  box-shadow: var(--shadow);
}
.product-dialog::backdrop { background: rgba(10,13,26,.65); backdrop-filter: blur(4px); }
.dialog-close {
  position: absolute; top: 16px; right: 18px;
  width: 36px; height: 36px;
  border: 0; border-radius: 50%;
  background: #f2f3f6; font-size: 1.35rem;
}
.dialog-badge {
  display: inline-flex; padding: 7px 10px; border-radius: 999px;
  background: #f0ebff; color: var(--purple-dark);
  font-size: .72rem; font-weight: 900;
}
.product-dialog h2 { margin: 14px 0 8px; font-size: 2rem; letter-spacing: -.05em; }
.product-dialog > p { color: var(--muted); }
.dialog-placeholder {
  min-height: 170px; margin: 22px 0;
  display: grid; place-items: center; text-align: center; padding: 20px;
  border-radius: 20px; border: 1px dashed #cfd1da;
  background: #fafafe; color: #9699a6; font-weight: 800;
}

@media (max-width: 900px) {
  .nav { display: none; }
  .header-cta { margin-left: auto; }
  .hero-grid, .split-heading, .free-grid, .stage-grid, .faq-layout { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; gap: 36px; padding: 82px 0 58px; }
  .hero-visual { min-height: 390px; }
  .intro-grid { grid-template-columns: repeat(2,1fr); }
  .intro-grid > div:nth-child(3) { border-left: 1px solid var(--line); }
  .tool-grid { grid-template-columns: 1fr; }
  .faq-title { position: static; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 64px; }
  .brand-name { font-size: .97rem; }
  .header-cta { padding: 9px 12px; font-size: .78rem; }
  .hero h1 { font-size: 3.1rem; }
  .hero-text { font-size: .96rem; }
  .hero-visual { min-height: 320px; border-radius: 28px; }
  .lab-core { width: 140px; height: 140px; border-radius: 42px; }
  .lab-core strong { font-size: 2.8rem; }
  .orbit-1 { width: 290px; height: 170px; }
  .orbit-2 { width: 350px; height: 225px; }
  .orb { width: 48px; height: 48px; border-radius: 15px; font-size: 1.2rem; }
  .intro-grid > div { padding: 18px 14px; }
  .section { padding: 78px 0; }
  .tool-card { min-height: 330px; padding: 24px; }
  .stage-card { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; }
}