:root {
  --bg: #F7F4EF;
  --bg-soft: #FBFAF7;
  --surface: #FFFFFF;
  --surface-muted: #F2F0EA;
  --ink: #151719;
  --text: #30343A;
  --muted: #73777D;
  --faint: #A2A5AA;
  --line: rgba(21, 23, 25, .10);
  --line-strong: rgba(21, 23, 25, .16);
  --accent: #2E6FF2;
  --accent-hover: #245DD4;
  --accent-soft: rgba(46, 111, 242, .10);
  --shadow: 0 24px 70px -36px rgba(21, 23, 25, .38);
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background:
    radial-gradient(640px 340px at 50% -120px, rgba(46, 111, 242, .13), transparent 70%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

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

img {
  display: block;
  max-width: 100%;
}

h1,
p {
  margin: 0;
}

.topbar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 42px) 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  box-shadow: 0 0 0 1px var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 12px;
}

.nav a {
  color: var(--muted);
  font-size: .94rem;
  font-weight: 550;
  white-space: nowrap;
  transition: color .16s ease;
}

.nav a:hover {
  color: var(--ink);
}

.spacer {
  flex: 1;
}

.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, .66);
  color: var(--text);
  font-size: .92rem;
  font-weight: 700;
  box-shadow: 0 10px 28px -24px rgba(21, 23, 25, .35);
  transition: border-color .16s ease, color .16s ease, transform .16s ease, background .16s ease;
}

.ghost:hover {
  color: var(--accent);
  border-color: rgba(46, 111, 242, .34);
  background: var(--surface);
  transform: translateY(-1px);
}

.stage {
  flex: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(14px, 4vh, 34px) clamp(18px, 4vw, 42px) 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  font-size: clamp(3rem, 7.4vw, 5rem);
  line-height: 1;
  font-weight: 820;
  letter-spacing: 0;
}

.value {
  max-width: 51ch;
  margin-top: 15px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.value strong {
  color: var(--ink);
  font-weight: 760;
  box-shadow: inset 0 -.45em 0 var(--accent-soft);
}

.app-card {
  width: min(580px, 100%);
  margin-top: 34px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.route {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.leg {
  flex: 1 1 0;
  min-width: 0;
  padding: 14px 16px 15px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-muted);
}

.label {
  display: block;
  color: var(--faint);
  font-size: .72rem;
  font-weight: 780;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

.chip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  margin-top: 10px;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 820;
}

.chip img {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.switch {
  align-self: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px -24px rgba(21, 23, 25, .46);
  transition: color .16s ease, border-color .16s ease, background .16s ease, transform .16s ease;
}

.switch span {
  font-size: 1.08rem;
  line-height: 1;
}

.switch:hover {
  color: var(--accent);
  border-color: rgba(46, 111, 242, .32);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.primary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 55px;
  margin-top: 16px;
  border-radius: 14px;
  background: var(--accent);
  color: #FFFFFF;
  font-size: 1.06rem;
  font-weight: 820;
  box-shadow: 0 18px 42px -28px rgba(46, 111, 242, .70);
  transition: background .16s ease, transform .16s ease, box-shadow .16s ease;
}

.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 20px 46px -26px rgba(46, 111, 242, .74);
  transform: translateY(-1px);
}

.primary span {
  margin-left: 8px;
  font-size: 1.2em;
  line-height: 1;
}

.footer {
  padding: 12px 24px 24px;
  color: var(--faint);
  text-align: center;
  font-size: .86rem;
  font-weight: 560;
}

@media (max-width: 700px) {
  .topbar {
    gap: 12px;
    padding-top: 15px;
  }

  .nav {
    display: none;
  }

  .brand {
    font-size: .98rem;
  }

  .ghost {
    min-height: 38px;
    padding: 0 14px;
    font-size: .88rem;
  }

  .stage {
    padding-top: 8px;
  }

  h1 {
    font-size: clamp(2.54rem, 14vw, 3.35rem);
  }

  .value {
    max-width: 31ch;
    margin-top: 12px;
    font-size: .99rem;
  }

  .app-card {
    margin-top: 25px;
    padding: 16px;
    border-radius: 18px;
  }

  .route {
    flex-direction: column;
    gap: 10px;
  }

  .leg {
    padding: 13px 14px;
  }

  .switch {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
    margin: -1px 0;
  }

  .switch span {
    transform: rotate(90deg);
  }

  .primary {
    min-height: 52px;
    margin-top: 14px;
  }

  .footer {
    padding-bottom: 18px;
  }
}

@media (max-height: 720px) {
  .topbar {
    padding-top: 12px;
  }

  .stage {
    padding-top: 6px;
  }

  .app-card {
    margin-top: 22px;
  }

  .footer {
    padding-bottom: 14px;
  }
}