:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --ink: #101010;
  --muted: #5e5a50;
  --line: rgba(16, 16, 16, .12);
  --accent: #b7ff3c;
  --accent-ink: #172100;
  --dark: #12130f;
  --soft: rgba(16, 16, 16, .035);
  --shadow: 0 28px 90px rgba(16, 16, 16, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Noto Sans", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.skip {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 99;
  padding: 10px 14px;
  background: #fff;
  border-radius: 999px;
}
.skip:focus { left: 10px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 850;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(16, 16, 16, .14);
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.nav nav a { text-decoration: none; }

.hero {
  min-height: calc(100vh - 73px);
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(42px, 6vw, 76px) 24px 52px;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  gap: clamp(36px, 6vw, 74px);
  align-items: center;
}

.hero-copy {
  max-width: 610px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #33342e;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: 12px;
  font-weight: 950;
}

h1 {
  margin-bottom: 24px;
  max-width: 9.2em;
  font-size: clamp(50px, 6.5vw, 94px);
  line-height: .96;
  letter-spacing: 0;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: normal;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: .98;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: normal;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -.025em;
}

.lede {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: normal;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 34px 0 28px;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(16, 16, 16, .035);
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
  text-decoration: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 620px;
}

.hero-points span,
.case-row span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: #24251f;
  font-size: 13px;
  font-weight: 850;
}

.hero-visual {
  position: relative;
  min-height: 650px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.visual-card {
  position: absolute;
  left: 0;
  bottom: 72px;
  z-index: 3;
  width: min(320px, 48vw);
  padding: 18px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 22px;
  color: #fff;
  background: rgba(18, 19, 15, .88);
  box-shadow: 0 22px 48px rgba(0, 0, 0, .22);
}

.visual-label {
  margin: 0 0 12px;
  color: rgba(255,255,255,.72);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.proof-strip {
  display: grid;
  gap: 8px;
}

.proof-strip span {
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.09);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.phone-frame {
  position: relative;
  z-index: 2;
  width: min(390px, 70vw);
  padding: 9px;
  border-radius: 52px;
  background: #050505;
  box-shadow: 0 26px 80px rgba(0, 0, 0, .34);
  transform: rotate(3deg);
}

.phone-frame img {
  display: block;
  width: 100%;
  border-radius: 43px;
}

.proof-panel,
.workflow,
.use-cases,
.final-cta,
footer {
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.proof-panel {
  padding-top: 40px;
  padding-bottom: 54px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) minmax(0, 1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.proof-grid,
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.proof-grid div,
.workflow-grid article {
  min-height: 178px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #ffffff;
}

.proof-grid span,
.workflow-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  color: #596800;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .12em;
}

.proof-grid strong {
  display: block;
  margin-bottom: 7px;
  font-size: 17px;
  letter-spacing: -.02em;
}

.proof-grid p,
.workflow-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.workflow {
  padding-top: 22px;
  padding-bottom: 34px;
}

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

.use-cases {
  padding-top: 24px;
  padding-bottom: 36px;
}

.case-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.final-cta {
  margin-top: 18px;
  padding-top: 34px;
  padding-bottom: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 34px;
  color: #fff;
  background: var(--dark);
  box-shadow: 0 20px 70px rgba(16, 16, 16, .16);
}

.final-cta .eyebrow,
.final-cta h2 { color: #fff; }

footer {
  padding-top: 34px;
  padding-bottom: 58px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }

.app-store-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.app-store-badge {
  min-width: 188px;
  height: 56px;
  padding: 6px 16px 7px 14px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  background: #050505;
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 1px 0 rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.18);
}

.apple-logo {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 38px;
  line-height: 1;
  transform: translateY(-1px);
}

.badge-kicker {
  display: block;
  font-size: 11px;
  line-height: 1;
  letter-spacing: .08em;
}

.badge-title {
  display: block;
  margin-top: 2px;
  font-size: 26px;
  line-height: .95;
  font-weight: 700;
  letter-spacing: -.03em;
}

.nav-store .app-store-badge {
  min-width: 154px;
  height: 46px;
  padding: 5px 12px;
  gap: 9px;
  border-radius: 8px;
}

.nav-store .apple-logo { font-size: 30px; }
.nav-store .badge-kicker { font-size: 9px; }
.nav-store .badge-title { font-size: 21px; }

.policy-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 72px 24px 40px;
}

.policy-wrap h1 { font-size: clamp(42px, 6vw, 70px); }
.policy-updated,
.policy-lede,
.policy-section p,
.policy-section li {
  color: var(--muted);
  line-height: 1.75;
}

.policy-lede {
  font-size: 19px;
  margin-bottom: 34px;
}

.policy-section {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.policy-section h2 {
  margin-bottom: 12px;
  font-size: clamp(24px, 3vw, 34px);
}

.policy-section ul {
  margin: 0;
  padding-left: 20px;
}

.policy-section li + li { margin-top: 8px; }

@media (max-width: 980px) {
  .nav nav a:not(.nav-store) { display: none; }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 34px;
  }
  .hero-copy { max-width: 760px; }
  .hero-visual {
    min-height: 620px;
    order: -1;
  }
  .visual-card { left: 7%; }
  .section-head { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-grid { grid-template-columns: 1fr; }
  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .nav-store { display: none; }
  .brand span:last-child { display: none; }
  .hero { padding-inline: 18px; }
  h1 {
    max-width: 7.2em;
    font-size: 46px;
    line-height: 1;
  }
  h2 { font-size: 36px; }
  .hero-visual { min-height: 520px; }
  .phone-frame { width: min(315px, 78vw); border-radius: 44px; }
  .phone-frame img { border-radius: 36px; }
  .visual-card {
    left: 0;
    bottom: 42px;
    width: min(280px, 76vw);
  }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-panel,
  .workflow,
  .use-cases,
  .final-cta,
  footer {
    padding-left: 18px;
    padding-right: 18px;
  }
  footer { flex-direction: column; }
}