:root {
  color: #172033;
  background: #f4f6f8;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #f4f6f8;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.siteHeader {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 clamp(18px, 4vw, 56px);
  color: #ffffff;
  background: rgba(10, 13, 18, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px);
}

.brandMark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 18px;
  font-weight: 900;
}

.brandMark img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.siteHeader nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  font-size: 13px;
  font-weight: 800;
}

.siteHeader nav a {
  opacity: 0.86;
}

.siteHeader nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background: #111827;
}

.heroBackdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(11, 16, 27, 0.84), rgba(11, 16, 27, 0.46) 44%, rgba(11, 16, 27, 0.08)),
    linear-gradient(0deg, rgba(11, 16, 27, 0.74), rgba(11, 16, 27, 0) 46%),
    url("/assets/brand.png") center / cover no-repeat;
}

.heroContent {
  width: min(760px, calc(100% - 36px));
  padding: 122px 0 clamp(44px, 9vh, 84px);
  margin-left: clamp(18px, 6vw, 88px);
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 12px;
  color: #14b8a6;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(56px, 10vw, 132px);
  font-weight: 950;
  line-height: 0.9;
  letter-spacing: 0;
}

.heroCopy {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(18px, 2.2vw, 27px);
  font-weight: 650;
  line-height: 1.32;
}

.heroActions,
.settingsUpdateActions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.heroActions {
  margin-top: 30px;
}

.primaryLink,
.secondaryLink {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
}

.primaryLink {
  color: #04110e;
  background: #50f0d0;
  border: 1px solid rgba(80, 240, 208, 0.2);
}

.primaryLink:hover {
  background: #72f8dc;
}

.secondaryLink {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.secondaryLink:hover {
  background: rgba(255, 255, 255, 0.18);
}

.releaseNote {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 750;
}

.trustBand {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: #d7dde5;
}

.trustBand div {
  min-height: 124px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px clamp(18px, 4vw, 48px);
  background: #ffffff;
}

.trustBand strong {
  color: #111827;
  font-size: 18px;
  font-weight: 920;
}

.trustBand span {
  color: #475569;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.sectionGrid,
.productSection,
.downloadBand {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.sectionGrid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.5fr);
  gap: clamp(28px, 6vw, 72px);
  padding: clamp(72px, 10vw, 120px) 0;
}

.sectionIntro h2,
.productCopy h2,
.downloadBand h2 {
  margin: 0;
  color: #111827;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 940;
  line-height: 1;
  letter-spacing: 0;
}

.workflowList {
  display: grid;
  gap: 14px;
}

.workflowList article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px 18px;
  padding: 22px 0;
  border-bottom: 1px solid #d8dee6;
}

.workflowList span {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  color: #0f766e;
  background: #ccfbf1;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 950;
}

.workflowList h3 {
  margin: 0;
  color: #111827;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 920;
}

.workflowList p {
  grid-column: 2;
  margin: -4px 0 0;
  color: #4b5563;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.55;
}

.productSection {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: clamp(56px, 8vw, 90px) 0 clamp(82px, 10vw, 130px);
}

.productCopy p:not(.eyebrow),
.downloadBand p {
  margin: 20px 0 0;
  color: #4b5563;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.58;
}

.appMockup {
  overflow: hidden;
  border: 1px solid #cad3df;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.16);
}

.mockToolbar {
  height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid #dde4ee;
  background: #ffffff;
}

.mockToolbar span {
  width: 54px;
  height: 10px;
  border-radius: 999px;
  background: #dbe5ee;
}

.mockToolbar strong {
  color: #111827;
  font-size: 14px;
  font-weight: 900;
}

.mockToolbar button {
  justify-self: end;
  min-height: 34px;
  padding: 0 12px;
  color: #0f766e;
  background: #ccfbf1;
  border: 0;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.mockGrid {
  min-height: 470px;
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(220px, 0.58fr);
  gap: 1px;
  background: #d8e0e9;
}

.languageStack {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  background: #d8e0e9;
}

.mockGrid section,
.mockGrid aside {
  min-width: 0;
  padding: 22px;
  background: #f8fafc;
}

.mockGrid .koreanPanel {
  background: #ecfdf5;
}

.mockGrid h3 {
  margin: 0 0 18px;
  color: #0f766e;
  font-size: 13px;
  font-weight: 950;
}

.languageStack p {
  margin: 0;
  color: #111827;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 860;
  line-height: 1.32;
}

.conversationHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.conversationHeader h3 {
  margin: 0;
}

.conversationHeader span {
  color: #475569;
  font-size: 13px;
  font-weight: 900;
}

.conversationList {
  display: grid;
  gap: 12px;
}

.conversationCard {
  padding: 14px;
  border: 1px solid #d8e0e9;
  border-radius: 8px;
  background: #ffffff;
}

.conversationCard strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
  color: #0f766e;
  font-size: 13px;
  font-weight: 940;
}

.conversationCard strong::after {
  width: 9px;
  height: 2px;
  content: "";
  display: inline-block;
  border-radius: 999px;
  background: #0f766e;
  transform: rotate(-45deg);
}

.conversationCard p {
  margin: 0;
  color: #111827;
  font-size: 13px;
  font-weight: 850;
  line-height: 1.38;
}

.conversationCard p + p {
  margin-top: 6px;
  color: #334155;
  font-weight: 750;
}

.downloadBand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(34px, 6vw, 56px);
  margin-bottom: 44px;
  border: 1px solid #cad3df;
  border-radius: 8px;
  background: #111827;
}

.downloadBand h2,
.downloadBand p {
  color: #ffffff;
}

.downloadBand p {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.74);
}

.siteFooter {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 clamp(18px, 4vw, 56px);
  color: #64748b;
  background: #ffffff;
  border-top: 1px solid #d8dee6;
  font-size: 13px;
  font-weight: 750;
}

.siteFooter a {
  color: #0f766e;
}

@media (max-width: 860px) {
  .siteHeader {
    height: 62px;
  }

  .siteHeader nav {
    display: none;
  }

  .hero {
    min-height: 86svh;
  }

  .heroBackdrop {
    background:
      linear-gradient(0deg, rgba(11, 16, 27, 0.86), rgba(11, 16, 27, 0.1) 58%),
      url("/assets/brand.png") center top / cover no-repeat;
  }

  .heroContent {
    width: min(100% - 32px, 680px);
    margin: 0 auto;
  }

  .trustBand,
  .sectionGrid,
  .productSection {
    grid-template-columns: 1fr;
  }

  .trustBand div {
    min-height: 104px;
  }

  .mockGrid {
    grid-template-columns: 1fr;
  }

  .languageStack {
    min-height: 430px;
  }

  .downloadBand,
  .siteFooter {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .heroActions,
  .primaryLink,
  .secondaryLink {
    width: 100%;
  }

  .workflowList article {
    grid-template-columns: 1fr;
  }

  .workflowList p {
    grid-column: 1;
  }
}