:root {
  color-scheme: dark;
  --bg: #020817;
  --bg-deep: #010511;
  --surface: #071226;
  --surface-2: #0a172d;
  --text: #f7f9ff;
  --muted: #aebad0;
  --muted-2: #7f8ba3;
  --line: rgba(126, 156, 213, .16);
  --line-strong: rgba(70, 128, 255, .34);
  --blue: #2f80ff;
  --blue-light: #59a0ff;
  --purple: #794cff;
  --container: 1160px;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 72% 8%, rgba(18, 76, 180, .1), transparent 26rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 34rem, #030a18);
  line-height: 1.55;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
em { color: var(--blue-light); font-style: normal; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -60px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #fff;
  color: #06152f;
  font-weight: 800;
}
.skip-link:focus { top: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 54px;
  background: rgba(1, 5, 17, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.header-inner,
.hero,
.flow-section,
.product-section,
.footer-inner {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}
.header-inner {
  height: 54px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}
.header-inner.simple-header { grid-template-columns: 1fr auto; }
.brand {
  display: inline-flex;
  align-items: baseline;
  width: fit-content;
  color: #fff;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: 1;
  text-decoration: none;
}
.brand strong { color: var(--blue-light); font-weight: inherit; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(40px, 6vw, 82px); }
.nav a,
.header-download,
.mobile-menu a { font-size: 12px; font-weight: 650; text-decoration: none; }
.nav a { color: #d9e2f2; }
.nav a:hover,
.nav a:focus-visible,
.footer-column a:hover,
.footer-column a:focus-visible { color: var(--blue-light); }
.header-download {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 14px;
  border: 1px solid rgba(108, 137, 190, .27);
  border-radius: 8px;
  background: rgba(6, 15, 34, .82);
  text-decoration: none;
}
.mobile-menu { display: none; position: relative; }

.hero {
  height: 300px;
  display: grid;
  grid-template-columns: 43% 57%;
  align-items: center;
  gap: 10px;
  padding: 13px 0 8px;
}
.hero > * { min-width: 0; }
.hero-copy-block { position: relative; z-index: 2; }
.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: #a9c8ff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .01em;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid #7eb2ff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(47, 128, 255, .08), 0 0 12px rgba(47, 128, 255, .8);
}
.hero h1 {
  margin: 13px 0 0;
  font-size: 41px;
  line-height: 1.17;
  letter-spacing: -.065em;
}
.hero h1 em {
  background: linear-gradient(100deg, #40a4ff 2%, #5373ff 56%, #8d5cff 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy { margin: 11px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.store-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.official-store-badge {
  width: 145px;
  height: 44px;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-decoration: none;
}
.app-store img { width: 132px; height: 44px; }
.google-badge { cursor: default; opacity: .72; }
.google-badge img { width: 155px; height: auto; max-width: none; }
.store-note { margin: 6px 0 0; color: var(--muted-2); font-size: 9px; }
.hero-path { position: relative; height: 100%; margin: 0; display: grid; place-items: center; isolation: isolate; overflow: hidden; }
.hero-path::before { content: ""; position: absolute; z-index: -2; inset: 7% 5% 0; background: radial-gradient(ellipse at center, rgba(20, 82, 220, .16), transparent 68%); filter: blur(16px); }
.path-aura { position: absolute; z-index: -1; width: 120px; height: 120px; top: 25%; left: 48%; border-radius: 50%; background: radial-gradient(circle, rgba(88, 169, 255, .26), transparent 68%); filter: blur(8px); }
.hero-path img { width: min(100%, 535px); height: 296px; object-fit: contain; filter: drop-shadow(0 16px 44px rgba(28, 89, 219, .08)); }

.flow-section {
  height: 153px;
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 18px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(7, 18, 38, .72);
}
.flow-intro { padding: 3px 4px; }
.section-kicker { color: #82afff; }
.flow-intro h2,
.feature-overview h2 {
  margin: 8px 0 0;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -.05em;
}
.flow-intro p:last-child { margin: 9px 0 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.flow-cards { display: grid; grid-template-columns: 1fr 18px 1fr 18px 1fr; align-items: center; gap: 4px; }
.flow-card {
  height: 125px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(13, 28, 53, .92), rgba(8, 19, 40, .92));
}
.flow-label { color: #91b9ff; font-size: 9px; font-weight: 700; }
.flow-label b { margin-right: 4px; color: var(--blue); }
.flow-card h3 { margin: 10px 0 5px; font-size: 13px; line-height: 1.42; letter-spacing: -.03em; }
.flow-card p { margin: 0; color: var(--muted); font-size: 8.5px; line-height: 1.55; }
.flow-arrow { color: #71809a; font-size: 14px; text-align: center; }

.product-section {
  min-height: 247px;
  display: grid;
  grid-template-columns: 300px minmax(0, 518px) minmax(260px, 1fr);
  gap: 17px;
  align-items: stretch;
  margin-top: 10px;
  margin-bottom: 10px;
}
.feature-overview,
.trust-card {
  min-width: 0;
  padding: 11px 0;
}
.feature-overview h2 { font-size: 21px; }
.feature-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 13px;
}
.feature-summary article { min-width: 0; padding: 0 8px; border-right: 1px solid var(--line); }
.feature-summary article:first-child { padding-left: 0; }
.feature-summary article:last-child { padding-right: 0; border-right: 0; }
.mini-icon {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(70, 132, 255, .44);
  border-radius: 8px;
  color: #65a1ff;
  background: rgba(43, 112, 255, .09);
  font-size: 8px;
  font-weight: 900;
}
.feature-summary h3 { margin: 7px 0 4px; font-size: 10px; white-space: nowrap; }
.feature-summary p { margin: 0; color: var(--muted); font-size: 7.5px; line-height: 1.55; }
.overview-link,
.text-link { display: inline-flex; align-items: center; gap: 6px; color: #ddebff; font-weight: 700; text-decoration: none; }
.overview-link { margin-top: 18px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 9px; }
.overview-link span,
.text-link span { color: var(--blue-light); }

.phone-gallery {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
  gap: 8px;
}
.phone-feature { min-width: 0; margin: 0; text-align: center; }
.phone-feature figcaption { height: 21px; display: grid; place-items: center; margin: 0; color: #e8eef9; font-size: 9px; font-weight: 750; }
.phone-frame {
  position: relative;
  width: 100%;
  max-width: 106px;
  margin-inline: auto;
  padding: 4px;
  overflow: hidden;
  border: 1px solid rgba(160, 178, 215, .54);
  border-radius: 15px 15px 11px 11px;
  background: #020611;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3), inset 0 0 0 1px rgba(255, 255, 255, .025);
}
.phone-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 390 / 851;
  object-fit: contain;
  object-position: top center;
  border-radius: 11px 11px 7px 7px;
}
.phone-speaker {
  position: absolute;
  z-index: 2;
  top: 7px;
  left: 50%;
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: rgba(80, 99, 133, .75);
  transform: translateX(-50%);
}

.trust-card {
  position: relative;
  overflow: hidden;
  align-self: stretch;
  padding: 14px 16px;
  border: 1px solid rgba(65, 125, 249, .22);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(13, 35, 76, .86), rgba(6, 18, 42, .88));
}
.trust-card::after { content: ""; position: absolute; right: -45px; top: -65px; width: 180px; height: 180px; border-radius: 50%; background: rgba(35, 107, 255, .08); }
.trust-heading { position: relative; z-index: 1; display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 10px; }
.trust-heading h2 { margin: 0; font-size: 18px; line-height: 1.26; letter-spacing: -.045em; }
.trust-shield {
  width: 42px;
  height: 48px;
  display: grid;
  place-items: center;
  clip-path: polygon(50% 0, 92% 16%, 84% 66%, 50% 100%, 16% 66%, 8% 16%);
  background: linear-gradient(145deg, rgba(44, 138, 255, .34), rgba(112, 70, 255, .2));
  color: #70adff;
  font-size: 18px;
}
.trust-card > p { position: relative; z-index: 1; margin: 9px 0 0 56px; color: #aab9d0; font-size: 9px; line-height: 1.55; }
.trust-card ul { position: relative; z-index: 1; display: grid; gap: 5px; margin: 11px 0 0 56px; padding: 0; list-style: none; }
.trust-card li { position: relative; padding-left: 14px; color: #9fb0ca; font-size: 8.5px; line-height: 1.45; }
.trust-card li::before { content: "✓"; position: absolute; left: 0; color: var(--blue-light); }
.text-link { position: relative; z-index: 1; margin: 12px 0 0 56px; font-size: 9px; }

.site-footer { min-height: 82px; border-top: 1px solid var(--line); background: rgba(1, 6, 16, .86); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(4, minmax(90px, .72fr)); gap: 30px; padding: 10px 0 11px; }
.footer-brand .brand { font-size: 17px; }
.footer-brand > p { margin: 6px 0 0; color: var(--muted); font-size: 8.5px; }
.footer-brand .copyright { color: var(--muted-2); }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; line-height: 1.2; }
.footer-column b { margin-bottom: 2px; color: #f0f4fb; font-size: 9px; }
.footer-column a { color: var(--muted-2); font-size: 8.5px; text-decoration: none; }

/* Policy and support pages */
.content-wrap { width: min(960px, calc(100% - 40px)); margin: 64px auto 104px; }
.content-card { padding: clamp(30px, 6vw, 66px); border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(10, 23, 45, .98), rgba(5, 14, 31, .98)); box-shadow: 0 22px 70px rgba(0, 0, 0, .2); }
.content-card h1 { margin: 10px 0 0; font-size: clamp(34px, 5vw, 54px); line-height: 1.2; letter-spacing: -.05em; }
.content-card .meta { margin: 14px 0 0; color: var(--muted); }
.content-card h2 { margin: 44px 0 13px; font-size: 23px; letter-spacing: -.03em; }
.content-card p, .content-card li { color: #b9c6da; }
.content-card a:not(.button) { color: #77adff; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line-strong); border-radius: 12px; background: linear-gradient(135deg, #246fe5, #504edc); color: #fff; font-weight: 750; text-decoration: none; }
.notice { margin: 28px 0; padding: 20px 22px; border: 1px solid rgba(66, 126, 244, .2); border-radius: 15px; background: rgba(44, 109, 232, .1); color: #d5e5ff; }
.legal-text { margin-top: 40px; color: #b9c6da; white-space: pre-wrap; word-break: keep-all; overflow-wrap: anywhere; }
.footer-inner:not(.footer-grid) { padding: 38px 0; display: grid; grid-template-columns: 1fr auto; gap: 28px; }
.footer-title { font-weight: 800; }
.footer-copy { margin: 8px 0 0; color: var(--muted-2); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px 22px; }
.footer-links a { color: var(--muted); font-size: 13px; text-decoration: none; }

@media (min-width: 1440px) {
  :root { --container: 1260px; }
  .hero { grid-template-columns: 42% 58%; }
  .hero-path img { width: 560px; }
  .flow-section { grid-template-columns: 330px minmax(0, 1fr); }
  .product-section { grid-template-columns: 320px minmax(0, 570px) minmax(280px, 1fr); }
  .phone-frame { max-width: 113px; }
}

@media (max-width: 1199px) {
  :root { --container: 940px; }
  .hero { height: 340px; grid-template-columns: 44% 56%; }
  .hero h1 { font-size: 38px; }
  .hero-path img { width: 490px; }
  .flow-section { height: auto; grid-template-columns: 260px minmax(0, 1fr); }
  .flow-card { height: 132px; }
  .product-section { grid-template-columns: 260px minmax(0, 430px) 1fr; min-height: 235px; }
  .feature-summary { grid-template-columns: repeat(2, 1fr); gap: 12px 0; }
  .feature-summary article:nth-child(2) { border-right: 0; }
  .feature-summary article:nth-child(3) { padding-left: 0; }
  .feature-summary p { font-size: 7px; }
  .phone-frame { max-width: 91px; }
  .trust-card > p, .trust-card ul, .text-link { margin-left: 0; }
}

@media (max-width: 900px) {
  .site-header { height: 66px; }
  .desktop-nav, .header-download { display: none; }
  .header-inner { height: 66px; grid-template-columns: 1fr auto; }
  .mobile-menu { display: block; }
  .mobile-menu summary { width: 42px; height: 42px; display: grid; align-content: center; gap: 5px; padding: 10px; cursor: pointer; list-style: none; border: 1px solid var(--line); border-radius: 10px; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary i { width: 100%; height: 2px; border-radius: 2px; background: #dce7fa; }
  .mobile-menu nav { position: absolute; top: 52px; right: 0; width: min(280px, calc(100vw - 32px)); display: grid; gap: 4px; padding: 12px; border: 1px solid var(--line-strong); border-radius: 15px; background: rgba(6, 16, 35, .98); box-shadow: 0 20px 48px rgba(0, 0, 0, .42); }
  .mobile-menu nav a { padding: 12px 13px; border-radius: 9px; color: #dce6f6; }
  .mobile-menu .mobile-download { margin-top: 5px; background: linear-gradient(135deg, #216fe4, #524ee0); color: #fff; text-align: center; }
  .hero { height: auto; grid-template-columns: 1fr; gap: 18px; padding: 56px 0 30px; }
  .hero-copy-block { text-align: center; }
  .eyebrow { justify-content: center; }
  .hero h1 { margin-inline: auto; font-size: 50px; }
  .hero-copy { font-size: 15px; }
  .store-actions { justify-content: center; }
  .official-store-badge { width: 165px; height: 50px; }
  .app-store img { width: 150px; height: 50px; }
  .google-badge img { width: 176px; }
  .hero-path { height: 390px; }
  .hero-path img { width: min(100%, 590px); height: 390px; }
  .flow-section { grid-template-columns: 1fr; height: auto; padding: 18px; }
  .flow-intro { padding: 10px; }
  .flow-intro h2 { font-size: 28px; }
  .flow-intro p:last-child { font-size: 13px; }
  .flow-card { height: 150px; padding: 17px; }
  .flow-card h3 { font-size: 15px; }
  .flow-card p { font-size: 10px; }
  .product-section { grid-template-columns: 1fr 1fr; min-height: 0; gap: 20px; margin-top: 48px; margin-bottom: 48px; }
  .feature-overview { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(7, 18, 38, .55); }
  .feature-overview h2 { font-size: 28px; }
  .feature-summary h3 { font-size: 12px; }
  .feature-summary p { font-size: 9px; }
  .phone-gallery { grid-row: span 2; grid-template-columns: repeat(2, 1fr); gap: 18px 10px; }
  .phone-feature figcaption { height: 24px; font-size: 10px; }
  .phone-frame { max-width: 142px; }
  .trust-card { align-self: auto; }
  .trust-heading h2 { font-size: 21px; }
  .trust-card > p, .trust-card li, .text-link { font-size: 10px; }
  .footer-grid { grid-template-columns: 1.4fr repeat(2, 1fr); gap: 18px; padding: 26px 0 32px; }
  .footer-brand { grid-row: span 2; }
  .footer-column b, .footer-column a { font-size: 10px; }
}

@media (max-width: 767px) {
  .header-inner, .hero, .flow-section, .product-section, .footer-inner { width: auto; margin-inline: 16px; }
  .desktop-only { display: none; }
  .hero { gap: 14px; padding: 48px 0 22px; }
  .hero h1 { margin-top: 17px; font-size: clamp(39px, 11.5vw, 50px); }
  .hero-copy { margin-top: 18px; font-size: 15px; line-height: 1.7; }
  .store-actions { margin-top: 24px; }
  .hero-path { width: 100%; height: auto; aspect-ratio: 1.07; }
  .hero-path img { width: 100%; height: 100%; }
  .flow-section { margin-top: 12px; padding: 14px; border-radius: 18px; }
  .flow-intro h2 { font-size: 28px; }
  .flow-cards { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); }
  .flow-card { height: auto; min-height: 134px; padding: 20px; }
  .flow-label { font-size: 11px; }
  .flow-card h3 { margin-top: 13px; font-size: 17px; }
  .flow-card p { font-size: 12px; }
  .product-section { display: flex; flex-direction: column; gap: 22px; margin-top: 54px; margin-bottom: 64px; }
  .feature-overview { padding: 22px 18px; }
  .feature-overview h2 { font-size: 30px; }
  .feature-summary { gap: 16px 0; margin-top: 22px; }
  .feature-summary article { padding-inline: 12px; }
  .mini-icon { width: 31px; height: 31px; font-size: 10px; }
  .feature-summary h3 { font-size: 13px; }
  .feature-summary p { font-size: 10px; }
  .overview-link { margin-top: 22px; font-size: 11px; }
  .phone-gallery {
    order: 2;
    width: calc(100% + 32px);
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(70vw, 260px);
    gap: 14px;
    margin-inline: -16px;
    padding: 0 16px 18px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 16px;
    overscroll-behavior-inline: contain;
  }
  .phone-feature { padding: 16px 14px 18px; border: 1px solid var(--line); border-radius: 20px; background: rgba(7, 18, 38, .62); scroll-snap-align: center; }
  .phone-feature figcaption { height: 30px; font-size: 13px; }
  .phone-frame { width: min(58vw, 220px); max-width: none; }
  .trust-card { order: 3; padding: 26px 22px; border-radius: 19px; }
  .trust-heading { grid-template-columns: 54px 1fr; }
  .trust-shield { width: 50px; height: 58px; }
  .trust-heading h2 { font-size: 24px; }
  .trust-card > p { margin-top: 15px; font-size: 12px; }
  .trust-card ul { gap: 8px; margin-top: 16px; }
  .trust-card li { padding-left: 18px; font-size: 11px; }
  .text-link { margin-top: 18px; font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 0; padding: 38px 0 46px; }
  .footer-brand { grid-row: auto; padding-bottom: 24px; }
  .footer-brand .brand { font-size: 22px; }
  .footer-brand > p { font-size: 11px; }
  .footer-column { padding: 15px 0; border-top: 1px solid var(--line); }
  .footer-column b, .footer-column a { font-size: 12px; }
  .content-wrap { width: 100%; margin: 0; }
  .content-card { min-height: calc(100vh - 66px); padding: 44px 20px 68px; border: 0; border-radius: 0; box-shadow: none; }
  .footer-inner:not(.footer-grid) { width: min(100% - 32px, var(--container)); grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .brand { font-size: 22px; }
  .hero { padding-top: 42px; }
  .hero h1 { font-size: clamp(37px, 11vw, 47px); }
  .store-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .official-store-badge { width: 100%; }
  .flow-intro h2 { font-size: 26px; }
}

@media (max-width: 340px) {
  .header-inner, .hero, .flow-section, .product-section, .footer-inner { margin-inline: 12px; }
  .hero h1 { font-size: 35px; }
  .store-actions { grid-template-columns: 1fr; }
  .official-store-badge { width: min(100%, 185px); margin-inline: auto; }
}

@media (prefers-reduced-motion: no-preference) {
  .path-aura { animation: path-pulse 3.8s ease-in-out infinite; }
  .hero-copy-block, .hero-path { animation: reveal .6s ease both; }
  .hero-path { animation-delay: .08s; }
  @keyframes path-pulse { 0%, 100% { opacity: .62; transform: scale(.94); } 50% { opacity: 1; transform: scale(1.08); } }
  @keyframes reveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}