:root {
  --navy: #0d2344;
  --navy-2: #142f59;
  --blue: #155ff1;
  --blue-dark: #0c43b8;
  --sky: #dff8ff;
  --cyan: #10cacb;
  --pink: #ff5c80;
  --yellow: #ffc61c;
  --paper: #ffffff;
  --canvas: #f4fbff;
  --ink: #13233a;
  --muted: #5c6c80;
  --line: #d9e6ef;
  --shadow: 0 24px 70px rgba(26, 78, 120, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif; line-height: 1.65; word-break: keep-all; }
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 999; padding: 10px 16px; background: #fff; border: 2px solid var(--blue); }
.skip-link:focus { top: 18px; }

.site-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid rgba(217, 230, 239, .8); background: rgba(255, 255, 255, .9); backdrop-filter: blur(18px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--navy); font-size: 22px; font-weight: 950; letter-spacing: -.04em; text-decoration: none; }
.brand img { width: 44px; height: 44px; object-fit: cover; border: 1px solid #cce5ee; border-radius: 0; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { position: relative; color: #33475f; font-size: 14px; font-weight: 800; text-decoration: none; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--blue); transition: right .2s ease; }
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { right: 0; }
.nav-toggle { display: none; border: 0; background: transparent; color: var(--navy); font-size: 26px; cursor: pointer; }
.legal-nav { display: flex; align-items: center; gap: 22px; }
.legal-nav a { color: #33475f; font-size: 14px; font-weight: 800; text-decoration: none; }
.legal-nav a:hover { color: var(--blue); }

.hero { position: relative; overflow: hidden; padding: 82px 0 64px; background: linear-gradient(rgba(21,95,241,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(21,95,241,.04) 1px, transparent 1px), radial-gradient(circle at 12% 14%, rgba(16,202,203,.18), transparent 26%), radial-gradient(circle at 88% 12%, rgba(255,92,128,.14), transparent 24%), linear-gradient(145deg, #fbfeff 0%, #eefaff 54%, #f9fbff 100%); background-size: 56px 56px, 56px 56px, auto, auto, auto; }
.hero::before { content: ""; position: absolute; width: 220px; height: 10px; left: -58px; bottom: 82px; background: linear-gradient(90deg, var(--pink), var(--yellow)); transform: rotate(-18deg); }
.hero::after { content: ""; position: absolute; width: 260px; height: 260px; right: -170px; bottom: -150px; border: 52px solid rgba(21,95,241,.07); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; width: min(900px, 100%); margin: 0 auto; text-align: center; }
.hero-mark { display: block; width: 112px; height: 112px; margin: 0 auto 26px; object-fit: contain; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--blue); font-size: 13px; font-weight: 950; letter-spacing: .11em; }
.eyebrow::before { content: ""; width: 30px; height: 3px; background: linear-gradient(90deg, var(--pink), var(--yellow), var(--cyan)); }
.hero h1 { margin: 0; color: var(--navy); font-size: clamp(58px, 7.4vw, 88px); line-height: .96; letter-spacing: -.075em; }
.hero h1 span { display: block; max-width: 780px; margin: 22px auto 0; color: #25405e; font-size: clamp(27px, 3.4vw, 41px); line-height: 1.22; letter-spacing: -.045em; }
.lead { max-width: 720px; margin: 24px auto 0; color: var(--muted); font-size: clamp(17px, 1.8vw, 20px); }
.tag-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 24px; }
.tag { padding: 7px 12px; border: 1px solid #bdd7e7; background: rgba(255,255,255,.72); color: #34516e; font-size: 13px; font-weight: 850; }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border: 1px solid var(--blue); background: var(--blue); color: #fff; border-radius: 9px; font-size: 15px; font-weight: 900; text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { background: var(--blue-dark); box-shadow: 0 12px 26px rgba(21,95,241,.2); transform: translateY(-2px); }
.button.secondary { background: rgba(255,255,255,.82); color: var(--blue); }
.button.secondary:hover { background: #fff; }
.button.disabled { border-color: #bfccd7; background: #e9eff4; color: #66788a; cursor: default; box-shadow: none; transform: none; }

.signal-bar { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3, 1fr); max-width: 1040px; margin: 56px auto 0; border: 1px solid var(--line); background: #fff; box-shadow: 0 16px 48px rgba(32,82,120,.09); }
.signal-item { position: relative; padding: 24px 28px; }
.signal-item + .signal-item { border-left: 1px solid var(--line); }
.signal-item strong { display: block; color: var(--navy); font-size: 22px; letter-spacing: -.03em; }
.signal-item span { display: block; margin-top: 2px; color: var(--muted); font-size: 14px; }
.signal-item::before { content: ""; position: absolute; left: 0; top: 0; width: 48px; height: 4px; background: var(--blue); }
.signal-item:nth-child(2)::before { background: var(--pink); }
.signal-item:nth-child(3)::before { background: var(--cyan); }

.section { padding: 96px 0; }
.section.soft { background: var(--canvas); }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; align-items: end; margin-bottom: 44px; }
.section-title { margin: 0; color: var(--navy); font-size: clamp(32px, 4.4vw, 48px); line-height: 1.16; letter-spacing: -.05em; text-align: center; }
.section-copy { max-width: 720px; margin: 14px auto 40px; color: var(--muted); font-size: 17px; text-align: center; }
.section-head .section-title, .section-head .section-copy { text-align: left; margin-left: 0; margin-right: 0; }
.section-head .section-copy { margin-bottom: 3px; }

.cards { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.card { position: relative; min-height: 245px; padding: 30px; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: 0 14px 38px rgba(42,86,120,.07); }
.card:nth-child(1), .card:nth-child(4) { grid-column: span 5; }
.card:nth-child(2), .card:nth-child(3) { grid-column: span 7; }
.card:nth-child(5), .card:nth-child(6) { grid-column: span 6; }
.card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -52px; bottom: -52px; border: 24px solid rgba(21,95,241,.06); border-radius: 50%; }
.card:nth-child(2n)::after { border-color: rgba(16,202,203,.1); }
.card:nth-child(3n)::after { border-color: rgba(255,92,128,.09); }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 22px; background: var(--blue); color: #fff; font-size: 21px; font-weight: 900; border-radius: 0; }
.card:nth-child(2n) .card-icon { background: var(--cyan); color: var(--navy); }
.card:nth-child(3n) .card-icon { background: var(--pink); }
.card h3 { margin: 0 0 9px; color: var(--navy); font-size: 22px; letter-spacing: -.03em; }
.card p { position: relative; z-index: 2; max-width: 470px; margin: 0; color: var(--muted); }

.journey { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: #fff; }
.journey-step { position: relative; padding: 38px 30px; }
.journey-step + .journey-step { border-left: 1px solid var(--line); }
.step-number { color: var(--pink); font-size: 13px; font-weight: 950; letter-spacing: .12em; }
.journey-step h3 { margin: 13px 0 8px; color: var(--navy); font-size: 22px; }
.journey-step p { margin: 0; color: var(--muted); }
.journey-step:nth-child(2) .step-number { color: var(--blue); }
.journey-step:nth-child(3) .step-number { color: #05898a; }

.split { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.feature-item { display: flex; gap: 12px; align-items: center; min-height: 72px; padding: 14px 16px; border: 1px solid var(--line); background: #fff; font-weight: 750; }
.check { flex: 0 0 27px; width: 27px; height: 27px; display: grid; place-items: center; background: #d9f8f4; color: #06756a; font-weight: 950; }
.quote { position: relative; overflow: hidden; padding: 46px; background: linear-gradient(150deg, var(--navy), #124c9d); color: #fff; box-shadow: var(--shadow); }
.quote::after { content: "한"; position: absolute; right: -8px; bottom: -78px; color: rgba(255,255,255,.07); font-size: 240px; font-weight: 950; line-height: 1; }
.quote strong { position: relative; z-index: 2; display: block; margin-bottom: 17px; font-size: clamp(25px, 3vw, 34px); line-height: 1.35; letter-spacing: -.04em; }
.quote p { position: relative; z-index: 2; margin: 0; color: rgba(255,255,255,.78); }

.download-box { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; overflow: hidden; padding: 44px 46px; background: var(--navy); color: #fff; }
.download-box::before { content: ""; position: absolute; width: 120px; height: 120px; left: -54px; top: -54px; background: var(--pink); transform: rotate(24deg); }
.download-box::after { content: ""; position: absolute; width: 90px; height: 90px; right: 34%; bottom: -60px; border: 20px solid var(--cyan); border-radius: 50%; }
.download-box > * { position: relative; z-index: 2; }
.download-box h2 { margin: 0; font-size: clamp(28px, 4vw, 40px); letter-spacing: -.045em; }
.download-box p { margin: 8px 0 0; color: #bfd1e4; }
.store-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.store-buttons .button { border-color: #fff; background: #fff; color: var(--navy); }

.page-hero { padding: 78px 0 50px; background: linear-gradient(140deg, #effbff, #f7fbff 62%, #fff5f8); border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0; color: var(--navy); font-size: clamp(38px, 5vw, 58px); line-height: 1.1; letter-spacing: -.055em; }
.page-hero p { margin: 15px 0 0; color: var(--muted); }
.legal { width: min(880px, calc(100% - 48px)); margin: 0 auto; padding: 58px 0 94px; }
.legal section { padding: 0 0 30px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.legal h2 { margin: 0 0 11px; color: var(--navy); font-size: 23px; letter-spacing: -.025em; }
.legal p, .legal li { color: #445970; }
.legal ul, .legal ol { padding-left: 23px; }
.notice { padding: 19px 21px; border-left: 5px solid var(--cyan); background: #eafafa; color: #31525a; }
.contact-card { padding: 28px; border: 1px solid var(--line); background: var(--canvas); }
.contact-card a, .legal a { color: var(--blue); font-weight: 850; }

.site-footer { padding: 46px 0; border-top: 1px solid rgba(255,255,255,.08); background: #0a1b31; color: #d7e1ec; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: start; }
.footer-brand { color: #fff; font-size: 22px; font-weight: 950; letter-spacing: -.04em; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 19px; }
.footer-links a { color: #c7d5e4; font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.copyright { margin: 14px 0 0; color: #8499af; font-size: 13px; }
.status-message { min-height: 62vh; display: grid; place-items: center; padding: 56px 20px; text-align: center; background: var(--canvas); }
.status-message img { width: 132px; height: 132px; object-fit: cover; border: 1px solid var(--line); border-radius: 0; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 76px; padding: 20px 24px 26px; border-bottom: 1px solid var(--line); background: #fff; flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .split { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .feature-list { grid-template-columns: 1fr; }
  .download-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 650px) {
  .container, .legal { width: min(100% - 28px, 1180px); }
  .hero { padding: 54px 0 48px; background-size: 40px 40px, 40px 40px, auto, auto, auto; }
  .hero-mark { width: 88px; height: 88px; margin-bottom: 22px; }
  .hero h1 { font-size: clamp(50px, 17vw, 72px); }
  .hero h1 span { font-size: 25px; }
  .signal-bar, .journey { grid-template-columns: 1fr; }
  .signal-item + .signal-item, .journey-step + .journey-step { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 70px 0; }
  .cards { grid-template-columns: 1fr; }
  .card:nth-child(n) { grid-column: auto; min-height: 220px; }
  .download-box, .quote { padding: 30px 24px; }
  .actions, .store-buttons { flex-direction: column; }
  .button { width: 100%; }
  .legal-nav { gap: 12px; }
  .legal-nav a { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}