:root {
  color-scheme: light;
  --ink: #18344d;
  --muted: #617488;
  --blue: #1769dc;
  --blue-dark: #1154b5;
  --line: #e6edf3;
  --page: #f6f9fc;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; padding-bottom: 30px; background: var(--page); color: var(--ink); -webkit-font-smoothing: antialiased; }
button { font: inherit; cursor: pointer; }
a { color: var(--blue); }
button, a, summary { -webkit-tap-highlight-color: transparent; }
svg { display: block; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.skip-link { position: absolute; left: 20px; top: -80px; z-index: 10; padding: 12px 20px; border-radius: 10px; background: white; }
.skip-link:focus { top: 12px; }
/* Mobile first: no promotional block below the installation guide. */
.page-shell { max-width: 570px; padding: 0 max(16px, env(safe-area-inset-left)) 0 max(16px, env(safe-area-inset-right)); margin: 0 auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 24px 0 17px; }
.brand { display: inline-flex; align-items: center; min-width: 0; }
.brand img { display: block; width: 187px; max-width: 100%; height: auto; }
.header-label { display: flex; gap: 0; align-items: center; font-size: 0; font-weight: 600; color: var(--muted); flex-shrink: 0; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #56b9a3; box-shadow: 0 0 0 4px #e4f3ed; }
.beta-layout { padding-top: 16px; }
.hero { display: none; min-width: 0; }
.eyebrow { margin: 0 0 22px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 1.3px; }
h1 { font-size: 48px; line-height: 1.1; letter-spacing: -2px; margin: 0; font-weight: 800; overflow-wrap: anywhere; }
.hero-highlight { color: var(--blue); }
.hero-description { font-size: 17px; line-height: 1.7; color: var(--muted); margin: 24px 0 18px; }
.mountain-scene { position: relative; margin: 25px -19px 0 -20px; }
.landscape { width: 100%; height: auto; }
.app-sticker { position: absolute; bottom: 15px; left: 30px; display: flex; align-items: center; gap: 11px; padding: 11px 15px 11px 11px; background: #fffffff2; border: 1px solid white; border-radius: 16px; transform: rotate(-4deg); box-shadow: 0 7px 28px #32576c14; }
.app-sticker img { border-radius: 11px; }
.app-sticker strong, .app-sticker span { display: block; }
.app-sticker strong { font-size: 13px; }
.app-sticker span { color: var(--muted); font-size: 11px; margin-top: 2px; }
.app-sticker .sticker-spark { color: #e2a523; font-size: 23px; margin-left: 12px; }
.signup-card { width: 100%; min-width: 0; background: white; border: 1px solid #e9eff5; border-radius: 22px; padding: 22px 18px; box-shadow: 0 16px 65px #27466d09, 0 3px 9px #27466d03; }
.signup-card h2, .platform-option, .primary-button, .secondary-button { overflow-wrap: anywhere; }
.signup-card h2 { margin: 0 0 12px; font-size: 27px; letter-spacing: -.9px; font-weight: 750; line-height: 1.2; }
.section-label { font-size: 10px; font-weight: 800; letter-spacing: .8px; color: var(--muted); margin: 0; }
.platform-eyebrow { margin: 0 0 12px; color: var(--blue); }
.card-intro { margin: 0 0 22px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.platform-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 8px 0 3px; }
.platform-option { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 17px; border: 1.5px solid #dce6ef; border-radius: 16px; background: #f8fbff; color: var(--ink); text-align: left; min-height: 143px; transition: border-color 150ms, background 150ms, transform 150ms; }
.platform-android { background: #f6fcf8; }
.platform-option:hover { transform: translateY(-2px); border-color: var(--blue); }
.platform-option strong { font-size: 20px; margin: 10px 0 4px; letter-spacing: -.4px; }
.platform-option > span:not(.platform-icon) { font-size: 12px; color: var(--muted); }
.platform-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: #eaf2ff; color: var(--blue); }
.platform-android .platform-icon { color: #268773; background: #e8f5ef; }
.platform-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.platform-navigation { display: flex; justify-content: space-between; gap: 12px; align-items: center; border-bottom: 1px solid var(--line); padding: 0 0 12px; margin: -8px 0 22px; }
.platform-current { font-size: 12px; font-weight: 700; color: var(--muted); background: #f0f5fa; padding: 5px 9px; border-radius: 7px; }
.primary-button, .secondary-button { display: flex; width: 100%; justify-content: center; align-items: center; min-height: 52px; padding: 14px 15px; border-radius: 12px; font-size: 14px; font-weight: 700; text-align: center; text-decoration: none; transition: background 150ms, border-color 150ms; }
.primary-button { border: 1px solid var(--blue); color: white; background: var(--blue); }
.primary-button:hover { background: var(--blue-dark); }
.secondary-button { border: 1px solid #d9e6f5; color: var(--blue); background: #f7faff; }
.secondary-button:hover { background: #edf4ff; border-color: #a3c2ef; }
.text-button { min-height: 44px; padding: 9px 0; background: none; border: none; color: var(--blue); font-weight: 600; font-size: 13px; text-align: left; }
.step-back { margin-top: 13px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 0 0 20px; margin: 0 0 24px; list-style: none; border-bottom: 1px solid var(--line); gap: 7px; }
.step { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 600; min-width: 0; }
.step-number { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; border: 1px solid #dae3eb; font-size: 11px; flex-shrink: 0; }
.step.current { color: var(--blue); }
.step.current .step-number { color: white; background: var(--blue); border-color: var(--blue); box-shadow: 0 0 0 3px #edf4ff; }
.step.complete { color: #218773; }
.step.complete .step-number { background: #e6f5ef; border-color: #e6f5ef; }
.account-note { color: #38604f; background: #eef8f1; border-radius: 12px; padding: 13px 14px; margin: -3px 0 22px; font-size: 13px; line-height: 1.6; }
.guide-instructions { padding-left: 21px; margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.guide-instructions li { padding-left: 4px; }
.guide-instructions li + li { margin-top: 11px; }
.guide-instructions li::marker { color: var(--blue); font-weight: 700; }
.guide-instructions strong { color: var(--ink); }
.return-note { font-size: 13px; line-height: 1.6; color: var(--muted); margin: 13px 0 17px; }
.small-note { font-size: 12px; line-height: 1.6; color: var(--muted); margin: 12px 0 0; text-align: center; }
.ios-install-steps { padding: 0; margin: 0; list-style: none; }
.ios-install-steps li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; padding: 0 0 24px; }
.ios-install-steps li + li { border-top: 1px solid var(--line); padding-top: 23px; }
.ios-install-steps li:last-child { padding-bottom: 0; }
.ios-step-number { display: grid; place-items: center; width: 26px; height: 26px; background: #eaf2ff; color: var(--blue); border-radius: 50%; font-weight: 700; font-size: 12px; }
.ios-install-steps h3 { font-size: 16px; line-height: 1.5; margin: 1px 0 7px; }
.ios-install-steps p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0 0 13px; }
.ios-install-steps li:last-child p { margin-bottom: 0; }
.ios-device-note { color: var(--muted); border-top: 1px solid var(--line); margin: 23px 0 0; padding: 16px 0 0; font-size: 12px; line-height: 1.6; }
.noscript-guide { margin-top: 24px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.7; }
.questions { padding: 24px 0; margin-top: 16px; }
.questions h2 { font-size: 18px; letter-spacing: -.4px; margin: 0 0 8px; }
.question-list details { border-bottom: 1px solid var(--line); }
.question-list details:last-child { border-bottom: none; }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 0; font-size: 13px; font-weight: 600; line-height: 1.5; }
summary::-webkit-details-marker { display: none; }
summary span { font-size: 20px; line-height: 1; color: #8195a8; font-weight: 400; transition: transform 150ms; }
details[open] summary span { transform: rotate(45deg); }
details p { margin: 0 0 17px; color: var(--muted); font-size: 13px; line-height: 1.75; }
@media (min-width: 381px) {
  .page-shell { padding: 0 max(24px, env(safe-area-inset-left)) 0 max(24px, env(safe-area-inset-right)); }
  .signup-card { padding: 26px 24px; }
  .platform-option { padding: 20px; }
  .steps { gap: 12px; }
  .step { gap: 8px; }
}
@media (min-width: 960px) {
  .page-shell { max-width: 1176px; padding: 0 36px; }
  .site-header { padding: 35px 0 30px; }
  .brand img { width: 219px; }
  .header-label { font-size: 13px; gap: 9px; }
  .beta-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(410px, 456px); gap: 48px; align-items: start; padding-top: 28px; }
  .hero { display: block; padding-top: 13px; }
  h1 { font-size: clamp(47px, 4.9vw, 61px); letter-spacing: -2.8px; }
  .signup-card { padding: 30px 28px; border-radius: 26px; }
  .signup-card h2 { font-size: 31px; }
  .platform-option { min-height: 154px; }
  .questions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(410px, 456px); gap: 48px; padding: 25px 0 30px; }
  .questions h2 { margin-top: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}