:root {
  --brand: #484DB5;
  --brand-2: #6A6FD6;
  --brand-soft: #E9EAFB;
  --night: #14163A;
  --night-2: #1F2250;
  --paper: #F5F5F7;
  --surface: #FFFFFF;
  --ink: #1D1D1F;
  --muted: #6E6E73;
  --line: rgba(60, 60, 67, 0.14);
  --ok: #248A3D;
  --warn: #B25000;
  --err: #D70015;
  --display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 26px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 30px rgba(20,22,58,.08);
  --shadow-lg: 0 2px 6px rgba(20,22,58,.06), 0 30px 80px -20px rgba(20,22,58,.35);
  --ease: cubic-bezier(.22, 1, .36, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--text); font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }
.num { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Barra de navegação entre as 3 páginas */
.topnav {
  position: fixed; z-index: 50; top: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 2px; padding: 4px; border-radius: 999px;
  background: rgba(255,255,255,.72); backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  box-shadow: 0 0 0 1px var(--line), 0 6px 24px rgba(20,22,58,.08);
  max-width: calc(100vw - 32px);
}
.topnav a {
  font: 500 13px/1 var(--text); color: var(--ink); text-decoration: none;
  padding: 9px 14px; border-radius: 999px; white-space: nowrap;
}
.topnav a[aria-current="page"] { background: var(--brand); color: #fff; }
.topnav a:not([aria-current]):hover { background: rgba(72,77,181,.08); }
.topnav.on-dark { background: rgba(20,22,58,.55); box-shadow: 0 0 0 1px rgba(255,255,255,.12); }
.topnav.on-dark a { color: #fff; }
.topnav.on-dark a:not([aria-current]):hover { background: rgba(255,255,255,.1); }
@media (max-width: 480px) {
  .topnav a { padding: 8px 10px; font-size: 12px; }
}

/* Molduras de aparelho desenhadas em CSS */
.mac { position: relative; width: 100%; }
.mac-screen {
  position: relative; background: #0b0c10; border-radius: 1.6% / 2.5%;
  padding: 2.2% 2.2% 2.6%; box-shadow: 0 0 0 1px #2a2c33 inset, var(--shadow-lg);
}
.mac-screen::before { /* câmera */
  content: ""; position: absolute; top: .9%; left: 50%; width: .7%; aspect-ratio: 1; border-radius: 50%;
  background: #22242b; transform: translateX(-50%);
}
.mac-view { position: relative; overflow: hidden; border-radius: 4px; aspect-ratio: 16 / 10; background: var(--paper); }
.mac-view > img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.mac-base {
  position: relative; height: 0; padding-bottom: 3.2%; margin: 0 -7%;
  background: linear-gradient(#d9dbe1, #b9bcc5 60%, #8f929b);
  border-radius: 0 0 14px 14px / 0 0 60% 60%;
}
.mac-base::after { content: ""; position: absolute; top: 0; left: 50%; width: 16%; height: 36%; transform: translateX(-50%);
  background: #a9acb5; border-radius: 0 0 10px 10px; }

.phone {
  position: relative; width: 100%; aspect-ratio: 390 / 908; padding: 3.4%;
  background: #111216; border-radius: 15% / 6.6%;
  box-shadow: 0 0 0 1.5px #3a3c44 inset, 0 0 0 1px #0a0a0c, var(--shadow-lg);
}
.phone-view {
  position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 12.5% / 5.6%;
  background: var(--status-bg, #fff); padding-top: 13%;
}
.phone-view img { width: 100%; height: auto; }
.phone::after { /* ilha */
  content: ""; position: absolute; top: 5.2%; left: 50%; width: 29%; height: 3.1%; transform: translate(-50%, -50%);
  background: #0a0a0c; border-radius: 999px; z-index: 3;
}
.phone-time { position: absolute; top: 3.6%; left: 12%; z-index: 3; font: 600 clamp(8px, 3.6cqw, 15px)/1 var(--text); color: #111; }