:root {
  --ink: #292a2e;
  --muted: #687796;
  --blue: #4c8bf5;
  --blue-dark: #2969db;
  --sky: #e4eeff;
  --sky-soft: #f2f6ff;
  --mint: #7ed6c0;
  --yellow: #ffd23f;
  --yellow-soft: #fff3c4;
  --pink: #ff9aa2;
  --line: #2b2b2b;
  --white: #fff;
  --shadow: 0 18px 50px rgba(61, 89, 148, 0.14);
  --wobble: polygon(0.5% 1.5%, 99% 0%, 100% 98%, 1.5% 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fbfcff;
  font-family: Pretendard, "Pretendard Variable", "Noto Sans KR", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  word-break: keep-all;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.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 15px; border-radius: 12px;
  background: var(--ink); color: #fff; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute; z-index: 20; top: 0; left: 50%; width: min(1160px, calc(100% - 40px));
  min-height: 88px; transform: translateX(-50%); display: flex; align-items: center; gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 950; font-size: 20px; text-decoration: none; }
.brand img { border: 3px solid var(--line); border-radius: 13px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { color: #53617d; font-weight: 750; text-decoration: none; }
.nav-links a:hover { color: var(--blue-dark); }
.header-status {
  padding: 8px 14px; border: 2px solid rgba(43,43,43,.15); border-radius: 999px; background: rgba(255,255,255,.65);
  font-size: 13px; font-weight: 800; color: #5f6f8e;
}

.hero {
  position: relative; min-height: 760px; overflow: hidden; padding: 145px max(24px, calc((100vw - 1160px) / 2)) 96px;
  background:
    radial-gradient(circle at 73% 38%, rgba(255,255,255,.92) 0 12%, transparent 38%),
    linear-gradient(155deg, #dfeaff 0%, #edf4ff 56%, #f8fbff 100%);
  display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 56px;
}
.hero::after {
  content: ""; position: absolute; left: -5%; right: -5%; bottom: -26px; height: 70px;
  border-radius: 50% 50% 0 0; background: #fbfcff;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-label {
  margin: 0 0 14px; color: var(--blue-dark); font-size: 13px; font-weight: 900; letter-spacing: .12em;
}
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,.78); box-shadow: 0 7px 24px rgba(76,139,245,.12); letter-spacing: 0;
}
.hero h1 { margin: 16px 0 22px; font-size: clamp(46px, 5.4vw, 74px); line-height: 1.13; letter-spacing: -.055em; font-weight: 950; }
.hero h1 em { color: var(--blue); font-style: normal; text-shadow: 3px 3px 0 #fff; }
.hero-lead { margin: 0; color: #576681; font-size: clamp(17px, 1.55vw, 20px); line-height: 1.85; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 9px; margin: 30px 0 0; padding: 0; list-style: none; }
.hero-pills li { padding: 9px 14px; border-radius: 999px; background: #fff; border: 1px solid #e4e9f2; font-size: 14px; font-weight: 800; box-shadow: 0 7px 20px rgba(68,91,132,.08); }
.launch-card { margin-top: 30px; display: inline-grid; grid-template-columns: auto auto; align-items: center; column-gap: 9px; padding: 14px 18px; border-radius: 18px; background: rgba(76,139,245,.09); color: #556783; }
.launch-card strong { font-size: 15px; color: #3c4b67; }
.launch-card span:last-child { grid-column: 2; font-size: 12px; }
.launch-dot { width: 9px; height: 9px; grid-row: 1 / 3; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(126,214,192,.22); }

.hero-playground {
  position: relative; z-index: 2; justify-self: center; width: min(100%, 560px); min-height: 570px; padding: 34px 40px 26px;
  border: 4px solid var(--line); border-radius: 54% 46% 49% 51% / 7% 8% 6% 7%;
  background: rgba(255,255,255,.48); box-shadow: 12px 16px 0 rgba(76,139,245,.13), var(--shadow);
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
}
.scene-kicker { position: absolute; z-index: 5; top: 28px; right: 30px; min-width: 68px; padding: 7px 13px; border: 3px solid var(--line); border-radius: 999px; background: #fff; text-align: center; font-weight: 950; }
.balloon-stage { position: relative; width: 310px; height: 375px; display: grid; place-items: center; }
.target-ring { position: absolute; width: 300px; height: 300px; border: 5px dashed #9fb3d9; border-radius: 50%; animation: slow-spin 28s linear infinite; }
.balloon-image { position: relative; z-index: 2; width: auto; height: 350px; object-fit: contain; transform-origin: center 72%; filter: drop-shadow(0 12px 8px rgba(55,68,96,.12)); transition: opacity .14s, transform .2s; }
.balloon-stage.is-puffing .balloon-image { animation: puff .36s ease; }
.balloon-stage.is-pop .balloon-image { opacity: 0; transform: scale(.8); }
.burst-image, .confetti-image { position: absolute; z-index: 3; opacity: 0; pointer-events: none; transform: scale(.35) rotate(-10deg); }
.burst-image { width: 270px; }
.confetti-image { z-index: 4; width: 420px; }
.balloon-stage.is-pop .burst-image { animation: burst .78s cubic-bezier(.2,.8,.2,1); }
.balloon-stage.is-pop .confetti-image { animation: confetti 1.15s ease-out; }
.progress-wrap { position: relative; z-index: 5; margin-top: -15px; }
.progress-dots { display: flex; gap: 13px; padding: 12px 18px; border: 3px solid var(--line); border-radius: 999px; background: #fff; }
.progress-dots span { width: 20px; height: 20px; border: 3px solid var(--line); border-radius: 50%; background: #fff; transition: background .2s, transform .2s; }
.progress-dots span.is-on { background: var(--mint); transform: scale(1.08); }
.blow-button { width: min(100%, 330px); margin-top: 15px; padding: 15px 22px; border: 3px solid var(--line); border-radius: 999px; background: var(--blue); color: #fff; box-shadow: 0 7px 0 var(--line); cursor: pointer; font-weight: 950; font-size: 17px; transition: transform .16s, box-shadow .16s, background .16s; }
.blow-button:hover { background: #3f7ee7; transform: translateY(-2px); box-shadow: 0 9px 0 var(--line); }
.blow-button:active { transform: translateY(5px); box-shadow: 0 2px 0 var(--line); }
.blow-button:focus-visible { outline: 4px solid rgba(76,139,245,.35); outline-offset: 4px; }
.demo-note { margin: 14px 0 0; color: #6f7f9d; font-size: 13px; }
.cloud { position: absolute; z-index: -1; width: 98px; height: 34px; border: 3px solid var(--line); border-radius: 999px; background: #fff; opacity: .78; }
.cloud::before, .cloud::after { content: ""; position: absolute; bottom: 13px; border: 3px solid var(--line); border-bottom: 0; background: #fff; border-radius: 50% 50% 0 0; }
.cloud::before { left: 16px; width: 34px; height: 27px; }
.cloud::after { left: 42px; width: 40px; height: 36px; }
.cloud-a { left: -55px; top: 112px; }
.cloud-b { right: -36px; top: 205px; transform: scale(.7); }

.section { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 104px 0; }
.section-heading { max-width: 700px; margin: 0 auto 45px; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 17px; }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; padding: 0; list-style: none; counter-reset: steps; }
.step-card { position: relative; min-height: 280px; padding: 30px 22px 24px; border: 2px solid #e1e7f0; border-radius: 24px; background: #fff; box-shadow: 0 12px 34px rgba(65,80,112,.07); }
.step-card::after { content: ""; position: absolute; top: 58px; right: -13px; z-index: 3; width: 23px; border-top: 3px dashed #bbc7dc; }
.step-card:last-child::after { display: none; }
.step-number { position: absolute; top: -13px; left: 18px; width: 29px; height: 29px; display: grid; place-items: center; border: 2px solid var(--line); border-radius: 50%; background: var(--blue); color: #fff; font-size: 13px; font-weight: 950; }
.step-icon { display: grid; place-items: center; width: 70px; height: 70px; margin-bottom: 22px; border-radius: 21px; background: var(--sky-soft); font-size: 34px; }
.step-card h3 { margin: 0 0 10px; font-size: 19px; }
.step-card p { margin: 0; color: #6a7892; font-size: 14px; line-height: 1.7; }

.moment { width: 100%; max-width: none; padding-inline: max(20px, calc((100% - 1120px) / 2)); background: #eef5ff; }
.moment-card { min-height: 520px; overflow: hidden; display: grid; grid-template-columns: 1.05fr .95fr; border: 4px solid var(--line); border-radius: 48px; background: #fff; box-shadow: 12px 14px 0 #cbdcfa; }
.reward-art { position: relative; min-height: 500px; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle, #fff 0 10%, #e9f0fb 11% 31%, transparent 32%), var(--sky); }
.reward-art::after { content: ""; position: absolute; width: 360px; height: 360px; border: 4px dashed #9fb3d9; border-radius: 50%; }
.reward-burst { position: absolute; z-index: 1; width: 360px; animation: breathe 2.8s ease-in-out infinite; }
.reward-balloon { position: relative; z-index: 2; width: 245px; filter: drop-shadow(0 18px 12px rgba(62,75,103,.18)); animation: float 3.4s ease-in-out infinite; }
.spark { position: absolute; z-index: 3; color: #fff; font-size: 50px; text-shadow: 0 0 18px rgba(255,255,255,.9); }
.spark-a { left: 17%; top: 22%; }.spark-b { right: 16%; bottom: 23%; font-size: 34px; }
.moment-copy { display: flex; flex-direction: column; justify-content: center; padding: 64px 58px; }
.silver-chip { align-self: flex-start; padding: 7px 12px; border-radius: 999px; background: #e7edf7; color: #65728a; font-size: 12px; font-weight: 950; letter-spacing: .1em; }
.moment-copy h3 { margin: 22px 0; font-size: clamp(34px, 4vw, 51px); line-height: 1.22; letter-spacing: -.04em; }
.moment-copy p { margin: 0; color: var(--muted); }
.moment-route { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 30px; font-size: 13px; }
.moment-route span, .moment-route strong { padding: 8px 11px; border-radius: 999px; background: var(--sky-soft); }
.moment-route strong { background: var(--blue); color: #fff; }
.moment-route i { color: #9aa8c1; font-style: normal; }

.gold-card { position: relative; overflow: hidden; min-height: 500px; display: grid; grid-template-columns: 1fr .85fr; border: 4px solid var(--line); border-radius: 48px; background: var(--yellow-soft); box-shadow: 12px 14px 0 #ffe17a; }
.gold-card::before { content: ""; position: absolute; left: -70px; top: -80px; width: 240px; height: 240px; border: 45px solid rgba(255,255,255,.46); border-radius: 50%; }
.gold-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; padding: 68px 70px; }
.gold-copy .section-label { color: #a46d00; }
.gold-copy h2 { margin: 0 0 24px; font-size: clamp(38px, 5vw, 58px); line-height: 1.16; letter-spacing: -.05em; }
.gold-copy > p:last-of-type { color: #776544; }
.gold-progress { display: flex; align-items: center; gap: 10px; margin-top: 28px; padding: 13px 17px; align-self: flex-start; border: 3px solid var(--line); border-radius: 999px; background: #fff; }
.gold-progress span { width: 22px; height: 22px; border: 3px solid var(--line); border-radius: 50%; }
.gold-progress span.filled { background: var(--yellow); }
.gold-progress b { margin-left: 8px; }
.gold-art { position: relative; display: grid; place-items: center; min-height: 480px; }
.gold-art img { position: relative; z-index: 2; width: 250px; animation: float 3s ease-in-out infinite; filter: drop-shadow(0 18px 12px rgba(128,95,20,.17)); }
.gold-glow { position: absolute; width: 370px; height: 370px; border-radius: 50%; background: radial-gradient(circle, #fff 0 5%, rgba(255,255,255,.5) 35%, transparent 70%); animation: breathe 2.5s ease-in-out infinite; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 235px; padding: 30px; border: 3px solid var(--line); border-radius: 28px; box-shadow: 7px 8px 0 var(--line); }
.feature-card.mint { background: #e7fbf5; }.feature-card.yellow { background: #fff7d4; }.feature-card.blue { background: #eaf2ff; }
.feature-card.pink { background: #fff0f1; }.feature-card.violet { background: #f3efff; }.feature-card.white { background: #fff; }
.feature-icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 22px; border: 2px solid rgba(43,43,43,.1); border-radius: 17px; background: rgba(255,255,255,.7); font-size: 29px; }
.feature-card h3 { margin: 0 0 9px; font-size: 21px; }
.feature-card p { margin: 0; color: #66738c; font-size: 15px; }

.promise { width: 100%; max-width: none; padding-inline: max(20px, calc((100% - 1000px) / 2)); background: var(--ink); color: #fff; }
.promise .section-label { color: #94bbff; }.promise .section-heading > p:last-child { color: #aeb8ca; }
.promise-list { border-top: 1px solid rgba(255,255,255,.18); }
.promise-item { display: grid; grid-template-columns: 70px 1fr; gap: 18px; padding: 30px 5px; border-bottom: 1px solid rgba(255,255,255,.18); }
.promise-item > span { color: #79a9ff; font-size: 14px; font-weight: 900; }
.promise-item h3 { margin: 0 0 6px; font-size: 21px; }
.promise-item p { margin: 0; color: #abb5c6; }

.faq { max-width: 900px; }
.faq-list { border-top: 2px solid var(--ink); }
.faq-list details { border-bottom: 1px solid #dce2eb; }
.faq-list summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 23px 8px; cursor: pointer; list-style: none; font-size: 18px; font-weight: 850; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span, .faq-list summary span::after { display: block; width: 18px; border-top: 2px solid var(--ink); }
.faq-list summary span::after { content: ""; transform: rotate(90deg); transition: transform .2s; }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { margin: -3px 8px 25px; padding-right: 50px; color: var(--muted); }
.faq-list details a { color: var(--blue-dark); font-weight: 800; }

.site-footer { padding: 58px max(24px, calc((100vw - 1120px) / 2)) 38px; background: #f1f4f9; color: #5f6a7d; font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.footer-brand img { border: 2px solid var(--line); border-radius: 12px; }
.footer-brand div { display: flex; flex-direction: column; }.footer-brand strong { color: var(--ink); font-size: 17px; }.footer-brand span { font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 22px; }
.site-footer nav a { font-weight: 750; text-decoration: none; }.site-footer nav a:hover { text-decoration: underline; }
.company, .copyright { margin: 0; }.copyright { margin-top: 16px; color: #9aa3b1; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes slow-spin { to { transform: rotate(360deg); } }
@keyframes puff { 0%,100% { transform: scale(1); } 45% { transform: scale(1.08) rotate(-2deg); } }
@keyframes burst { 0% { opacity: 0; transform: scale(.25) rotate(-12deg); } 35% { opacity: 1; transform: scale(1.16) rotate(4deg); } 100% { opacity: 0; transform: scale(1.45) rotate(10deg); } }
@keyframes confetti { 0% { opacity: 0; transform: scale(.65) translateY(-10px); } 25% { opacity: 1; } 100% { opacity: 0; transform: scale(1.05) translateY(35px); } }
@keyframes float { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-13px) rotate(1deg); } }
@keyframes breathe { 0%,100% { transform: scale(.96); opacity: .82; } 50% { transform: scale(1.05); opacity: 1; } }

@media (max-width: 980px) {
  .site-header { min-height: 74px; }.nav-links { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 125px; text-align: center; }
  .hero-copy { max-width: 680px; margin: 0 auto; }.hero-pills { justify-content: center; }
  .steps { grid-template-columns: repeat(2, 1fr); }.step-card::after { display: none; }
  .moment-card, .gold-card { grid-template-columns: 1fr; }.reward-art { min-height: 420px; }.moment-copy { padding: 50px; }
  .gold-art { grid-row: 1; min-height: 380px; }.gold-copy { padding: 50px; text-align: center; }.gold-progress { align-self: center; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .site-header { width: calc(100% - 28px); }.brand { font-size: 17px; }.brand img { width: 38px; height: 38px; }.header-status { margin-left: auto; font-size: 11px; }
  .hero { min-height: 0; padding: 112px 18px 78px; gap: 45px; }.hero h1 { font-size: 44px; }.hero-lead br { display: none; }
  .launch-card { margin-top: 24px; }.hero-playground { min-height: 500px; padding: 25px 18px 22px; border-width: 3px; box-shadow: 7px 9px 0 rgba(76,139,245,.13); }
  .balloon-stage { width: 270px; height: 330px; }.balloon-image { height: 310px; }.target-ring { width: 260px; height: 260px; }.cloud { display: none; }
  .section { width: calc(100% - 28px); padding: 78px 0; }.section-heading { margin-bottom: 34px; }.section-heading > p:last-child { font-size: 15px; }
  .steps, .feature-grid { grid-template-columns: 1fr; }.step-card { min-height: 0; padding: 28px 24px; }.step-icon { width: 58px; height: 58px; font-size: 28px; }
  .moment { width: 100%; padding-inline: 14px; }.moment-card, .gold-card { border-width: 3px; border-radius: 32px; box-shadow: 7px 8px 0 #cbdcfa; }
  .reward-art { min-height: 350px; }.reward-art::after { width: 285px; height: 285px; }.reward-burst { width: 290px; }.reward-balloon { width: 200px; }.moment-copy { padding: 38px 28px 42px; }
  .gold-section { width: calc(100% - 28px); }.gold-card { box-shadow: 7px 8px 0 #ffe17a; }.gold-copy { padding: 34px 25px 42px; }.gold-art { min-height: 320px; }.gold-art img { width: 205px; }.gold-glow { width: 300px; height: 300px; }
  .gold-progress { gap: 7px; }.gold-progress span { width: 19px; height: 19px; }
  .feature-card { min-height: 0; }.promise { width: 100%; padding-inline: 22px; }.promise-item { grid-template-columns: 48px 1fr; }
  .faq-list summary { font-size: 16px; }.faq-list details p { padding-right: 10px; }
  .site-footer { padding: 45px 22px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
