:root {
  color-scheme: light;
  --background: #f7f5fb;
  --surface: #ffffff;
  --surface-soft: #f0ecfb;
  --surface-strong: #e6dffd;
  --accent: #6f55df;
  --accent-strong: #5239bd;
  --accent-ink: #ffffff;
  --text: #1c1924;
  --secondary: #686372;
  --border: #ddd7e9;
  --shadow: 0 26px 64px rgb(48 35 82 / 14%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-underline-offset: 5px;
}

a:focus-visible {
  border-radius: 7px;
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.wrap {
  width: min(calc(100% - 40px), 74rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 50;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--accent-strong);
  font-weight: 760;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 790;
  letter-spacing: -0.45px;
  text-decoration: none;
}

.app-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 5px 14px rgb(61 43 129 / 18%);
}

.site-nav,
.language-nav {
  display: flex;
  align-items: center;
}

.site-nav {
  gap: 8px;
}

.language-nav {
  gap: 1px;
}

.site-nav a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
}

.hero {
  padding-block: 38px 34px;
  text-align: center;
}

.hero-copy {
  position: relative;
  z-index: 3;
  max-width: 47rem;
  margin-inline: auto;
}

.eyebrow,
.section-kicker {
  margin-bottom: 12px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(46px, 10vw, 82px);
  letter-spacing: -0.064em;
  line-height: 0.98;
}

h1 span {
  color: var(--accent);
}

.lead {
  max-width: 40rem;
  margin: 0 auto 25px;
  color: var(--secondary);
  font-size: clamp(17px, 2.2vw, 20px);
}

.app-store-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  gap: 10px;
  padding: 8px 17px;
  border-radius: 14px;
  background: #16131d;
  box-shadow: 0 10px 24px rgb(28 19 54 / 18%);
  color: #ffffff;
  text-align: left;
  text-decoration: none;
}

.app-store-button small,
.app-store-button span:last-child {
  display: block;
}

.app-store-button small {
  font-size: 10px;
  font-weight: 560;
  line-height: 1.1;
}

.app-store-button span:last-child {
  font-size: 18px;
  font-weight: 730;
  line-height: 1.1;
}

.apple-mark {
  font-size: 24px;
}

.compatibility {
  margin: 11px 0 0;
  color: var(--secondary);
  font-size: 12px;
}

.hero-gallery {
  display: grid;
  grid-auto-columns: min(68vw, 260px);
  grid-auto-flow: column;
  gap: 14px;
  width: calc(100% + 40px);
  height: auto;
  margin: 28px 0 0 -20px;
  padding: 4px 16% 24px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 16%;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.hero-gallery::before {
  display: none;
}

.hero-screen {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: clamp(22px, 4vw, 36px);
  box-shadow: var(--shadow);
  scroll-snap-align: center;
}

.hero-gallery::-webkit-scrollbar {
  display: none;
}

.hero-screen-left,
.hero-screen-center,
.hero-screen-right {
  inset: auto;
  transform: none;
}

.gallery-hint {
  margin: -8px 0 0;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 650;
}

.features {
  padding-block: 72px;
  border-block: 1px solid var(--border);
  background: var(--surface);
}

h2 {
  margin-bottom: 15px;
  font-size: clamp(34px, 5vw, 55px);
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.section-intro {
  max-width: 39rem;
  color: var(--secondary);
  font-size: 17px;
}

.flow-grid {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.flow-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--background);
}

.number {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

h3 {
  margin-bottom: 8px;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.flow-card p,
.feature-copy p,
.trust-card span,
.closing-cta p {
  color: var(--secondary);
}

.flow-card p {
  margin-bottom: 0;
}

.flow-card h3 {
  word-break: keep-all;
}

.feature-evidence {
  display: grid;
  gap: 30px;
  align-items: center;
  margin-top: 56px;
  padding: 24px;
  border-radius: 32px;
  background: var(--surface-soft);
}

.feature-copy p:last-child {
  margin-bottom: 0;
  font-size: 17px;
}

.screen-frame {
  justify-self: center;
  width: min(100%, 340px);
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 23px;
}

.trust {
  padding-block: 76px;
}

.trust-grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.trust-card {
  padding: 23px;
  border: 1px solid var(--border);
  border-radius: 23px;
  background: var(--surface);
}

.trust-card strong {
  display: block;
  margin-bottom: 7px;
  font-size: 17px;
}

.trust-card span {
  font-size: 14px;
}

.disclaimer {
  max-width: 50rem;
  margin: 28px 0 0;
  color: var(--secondary);
  font-size: 13px;
}

.closing-cta {
  padding-block: 72px;
  border-top: 1px solid var(--border);
  background: var(--surface-soft);
  text-align: center;
}

.cta-inner p:not(.section-kicker) {
  margin-bottom: 24px;
  font-size: 17px;
}

.site-footer {
  padding-block: 26px 36px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer p {
  margin: 0;
  color: var(--secondary);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.footer-links a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  color: var(--accent-strong);
  font-size: 14px;
}

@media (min-width: 760px) {
  .wrap {
    width: min(calc(100% - 80px), 74rem);
  }

  .hero {
    padding-top: 78px;
  }

  .hero-gallery {
    position: relative;
    display: block;
    width: min(100%, 48rem);
    height: clamp(390px, 60vw, 620px);
    margin: 38px auto 0;
    padding: 0;
    overflow: clip;
  }

  .hero-gallery::before {
    position: absolute;
    inset: 10% 2% 2%;
    display: block;
    border-radius: 50%;
    background: radial-gradient(circle, var(--surface-strong), transparent 68%);
    content: "";
    filter: blur(7px);
  }

  .hero-screen {
    position: absolute;
    bottom: 0;
    width: clamp(170px, 32vw, 246px);
  }

  .hero-screen-left {
    left: 7%;
    transform: rotate(-5deg) translateY(5%);
  }

  .hero-screen-center {
    left: 50%;
    z-index: 2;
    transform: translateX(-50%);
  }

  .hero-screen-right {
    right: 7%;
    transform: rotate(5deg) translateY(5%);
  }

  .gallery-hint {
    display: none;
  }

  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-evidence {
    grid-template-columns: 1fr 0.72fr;
    padding: 46px 56px;
  }

  .trust-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 375px) and (max-width: 759px) {
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .flow-card {
    padding: 18px;
  }

  .flow-card h3 {
    font-size: 19px;
  }

  .flow-card p {
    font-size: 14px;
  }
}

@media (max-width: 374px) {
  .wrap {
    width: min(calc(100% - 28px), 74rem);
  }

  .site-header {
    flex-wrap: wrap;
    padding-block: 10px 6px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: 43px;
  }

  .hero-gallery {
    width: calc(100% + 28px);
    margin-left: -14px;
  }

  .feature-evidence {
    padding: 22px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}