/* nudgeedu.com.br: the app's notebook palette (apps/web/src/styles/app.css), on one reading column. */
:root {
  --paper: #EEF1F3;
  --paper-2: #E2E7EA;
  --sheet: #F8FAFB;
  --graphite: #23282C;
  --graphite-2: #59636A;
  --rule: #CBD3D8;
  --slate: #1C2428;
  --chalk: #EEF2F3;
  --chalk-dim: #95A2A9;
  --chalk-yellow: #F2CE5C;
  --focus: #1D63B0;
  --wrong: #A8325A;
  --font-ui: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-text: "STIX Two Text", Cambria, "Times New Roman", serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14191C; --paper-2: #1C2327; --sheet: #192024; --graphite: #E3E8EA; --graphite-2: #9BA7AE;
    --rule: #2F393F; --slate: #222B30; --focus: #8EC2F5; --wrong: #EF86A8;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--graphite); font: 400 1.125rem/1.6 var(--font-text); }
a { color: var(--focus); text-underline-offset: 0.18em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }

.page { max-width: 1120px; margin: 0 auto; padding: 24px max(16px, env(safe-area-inset-left)) 64px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--graphite); text-decoration: none; font: 700 1.05rem/1 var(--font-ui); }
.brand svg { flex: none; }
.brand small { font-weight: 500; color: var(--graphite-2); }

.hero { display: grid; gap: 28px; align-items: start; padding-block: 12px 36px; border-bottom: 1px solid var(--rule); }
@media (min-width: 900px) { .hero { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; } }
h1 { font: 800 clamp(2rem, 5vw, 3.2rem)/1.05 var(--font-ui); letter-spacing: -0.02em; margin: 0 0 18px; text-wrap: balance; }
h2 { font: 750 1.5rem/1.2 var(--font-ui); margin: 0 0 12px; }
.lead { font-size: 1.25rem; margin: 0 0 20px; max-width: 58ch; }
ul.facts { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; max-width: 60ch; }
ul.facts li { padding-left: 22px; position: relative; }
ul.facts li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--graphite); background: var(--chalk-yellow); }

.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 14px; padding: 22px; }
.card p { margin: 0 0 14px; }
form { display: grid; gap: 14px; }
label, legend { font: 600 0.95rem/1.3 var(--font-ui); }
input[type="email"] { width: 100%; font: 400 1rem/1.4 var(--font-ui); padding: 11px 12px; border: 1px solid var(--graphite-2); border-radius: 8px; background: var(--paper); color: var(--graphite); }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.choice { display: flex; gap: 10px; align-items: flex-start; font: 400 0.95rem/1.4 var(--font-ui); }
.choice input { margin-top: 3px; width: 18px; height: 18px; flex: none; }
button { font: 700 1rem/1 var(--font-ui); padding: 14px 18px; border: 0; border-radius: 10px; background: var(--graphite); color: var(--paper); cursor: pointer; box-shadow: 0 3px 0 #14181B; }
button:active { transform: translateY(2px); box-shadow: 0 1px 0 #14181B; }
.status { margin: 0; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--wrong); color: var(--wrong); font: 500 0.95rem/1.4 var(--font-ui); }
.note { font: 400 0.875rem/1.5 var(--font-ui); color: var(--graphite-2); }

.prose { max-width: 70ch; }
.prose h2 { margin-top: 32px; }
.prose li { margin-bottom: 6px; }

footer { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 8px 20px; font: 400 0.875rem/1.5 var(--font-ui); color: var(--graphite-2); }