:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #edf6f1;
  color: #173c34;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 8%, rgba(167, 224, 207, .58), transparent 30rem),
    radial-gradient(circle at 94% 18%, rgba(255, 222, 180, .42), transparent 25rem),
    linear-gradient(155deg, #f8fcfa 0%, #edf6f1 48%, #f8f4ec 100%);
}

a { color: inherit; }

.install-page {
  min-height: 100vh;
  padding: max(20px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
}

.install-card {
  width: min(100%, 680px);
  overflow: hidden;
  border: 1px solid rgba(65, 117, 101, .16);
  border-radius: 30px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 26px 70px rgba(30, 75, 62, .14);
}

.install-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 28px;
  border-bottom: 1px solid #e5eee9;
}

.install-brand strong,
.install-brand small { display: block; }
.install-brand strong { font-size: 18px; letter-spacing: -.02em; }
.install-brand small { margin-top: 2px; color: #6d817a; font-size: 12px; font-weight: 600; }

.install-logo {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 15px;
  background: #e7f6f0;
  box-shadow: inset 0 0 0 1px rgba(25, 119, 97, .12);
}
.install-logo img { width: 38px; height: 38px; object-fit: contain; }

.install-hero { padding: 38px 40px 24px; text-align: center; }
.install-kicker {
  margin: 0 0 12px;
  color: #19806d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
}
.install-hero h1 {
  max-width: 520px;
  margin: 0 auto;
  color: #133f34;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.install-lead {
  max-width: 530px;
  margin: 18px auto 0;
  color: #596f67;
  font-size: 17px;
  line-height: 1.6;
}

.install-action-panel {
  margin: 4px 28px 32px;
  padding: 26px;
  border: 1px solid #dbece5;
  border-radius: 22px;
  background: linear-gradient(145deg, #f4fbf8, #edf7f2);
  text-align: center;
}
.install-platform-badge {
  display: inline-flex;
  margin: 0 0 9px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dff2eb;
  color: #176a5b;
  font-size: 12px;
  font-weight: 800;
}
.install-action-panel h2 { margin: 0 0 18px; font-size: 21px; letter-spacing: -.025em; }

.install-primary,
.install-web,
.install-alternatives a {
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
}
.install-primary {
  display: flex;
  padding: 14px 22px;
  background: #147561;
  color: #fff;
  box-shadow: 0 12px 25px rgba(20, 117, 97, .22);
}
.install-primary:hover { background: #0e6553; }
.install-primary:focus-visible,
.install-web:focus-visible,
.install-alternatives a:focus-visible,
.install-footer a:focus-visible { outline: 3px solid rgba(31, 139, 116, .35); outline-offset: 3px; }
.install-primary[hidden], .install-web[hidden], .install-alternatives[hidden], .install-alternatives a[hidden] { display: none; }

.install-unavailable {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid #ecdcb8;
  border-radius: 14px;
  background: #fff9eb;
  color: #765f2f;
  font-size: 14px;
  line-height: 1.55;
}
.install-alternatives { display: flex; gap: 10px; margin-top: 12px; }
.install-alternatives a { flex: 1; display: flex; padding: 12px; border: 1px solid #cfe2da; background: #fff; color: #28594d; }
.install-web { display: inline-flex; margin-top: 18px; padding: 10px 14px; color: #176a5b; text-decoration: underline; text-underline-offset: 3px; }

.install-steps { padding: 0 38px 32px; }
.install-steps h2 { margin: 0 0 20px; font-size: 22px; letter-spacing: -.025em; }
.install-steps ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.install-steps li { display: flex; gap: 14px; align-items: flex-start; }
.install-steps li > span {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: #dff2eb;
  color: #176a5b;
  font-size: 14px;
  font-weight: 900;
}
.install-steps p { margin: 0; color: #62766f; line-height: 1.5; }
.install-steps strong { color: #234b40; }

.install-privacy {
  margin: 0 28px 28px;
  padding: 18px 20px;
  border-radius: 18px;
  background: #f6f8f3;
  color: #52675f;
  font-size: 13px;
  line-height: 1.55;
}
.install-privacy strong { color: #294f44; }
.install-privacy p { margin: 5px 0 0; }

.install-footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 22px 28px calc(22px + env(safe-area-inset-bottom));
  border-top: 1px solid #e5eee9;
  background: #f8faf8;
  color: #60756d;
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 560px) {
  .install-page { padding-left: 0; padding-right: 0; place-items: start center; }
  .install-card { min-height: 100vh; border-width: 0; border-radius: 0; box-shadow: none; }
  .install-brand { padding: 18px 20px; }
  .install-hero { padding: 32px 24px 22px; }
  .install-lead { font-size: 16px; }
  .install-action-panel { margin: 4px 18px 28px; padding: 22px 18px; }
  .install-steps { padding: 0 22px 28px; }
  .install-privacy { margin: 0 18px 22px; }
  .install-footer { flex-wrap: wrap; gap: 16px 24px; }
}