/* Pegatexto: site. Tema claro e escuro automático (segue o sistema de quem visita).
   Formas: elementos interativos com raio de 10px, blocos de conteúdo com 16px. */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/PlusJakartaSans-Variable.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Roboto";
  src: url("/assets/fonts/Roboto-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #f6f7f9;
  --surface: #fdfdfe;
  --surface-2: #eef0f4;
  --text: #15171c;
  --muted: #5a6170;
  --line: #e1e4ea;
  --accent: #2563eb;
  --accent-hover: #1d4fd0;
  --accent-soft: #e6eefd;
  --on-accent: #fbfcff;
  --shadow: 0 1px 2px rgb(21 23 28 / 0.05), 0 12px 32px -12px rgb(37 60 120 / 0.18);
  --radius-ui: 10px;
  --radius-block: 16px;
  --max: 1160px;
  /* Principal (títulos, botões, destaques) e secundária (texto corrido). */
  --font-display: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --font-body: "Roboto", "Segoe UI", system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1014;
    --surface: #161920;
    --surface-2: #1d2129;
    --text: #eceef2;
    --muted: #9aa1ae;
    --line: #272b34;
    --accent: #5b8ff0;
    --accent-hover: #79a3f3;
    --accent-soft: #1b2741;
    --on-accent: #0b1220;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 16px 40px -16px rgb(0 0 0 / 0.6);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
}

h1,
h2,
h3,
.brand,
.price,
.eyebrow,
.who,
.stat strong,
.faq summary {
  font-family: var(--font-display);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 650;
}

h3 {
  font-size: 21px;
  font-weight: 620;
  letter-spacing: -0.015em;
}

p {
  margin: 0;
  text-wrap: pretty;
}

.muted {
  color: var(--muted);
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.icon {
  width: 1.2em;
  height: 1.2em;
  fill: currentColor;
  flex: none;
}

kbd {
  font: 600 0.85em "Geist Mono", ui-monospace, monospace;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  white-space: nowrap;
}

/* ---------- Botões ---------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--radius-ui);
  border: 1px solid transparent;
  font: 650 16px/1 var(--font-display);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease;
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  background: var(--accent);
  color: var(--on-accent);
}

.button.primary:hover {
  background: var(--accent-hover);
}

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--muted);
}

.button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Navegação ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 66px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 680;
  font-size: 19px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 30px;
}

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
}

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

.nav .button {
  padding: 10px 16px;
  font-size: 15px;
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  .nav .button {
    margin-left: auto;
  }
}

/* ---------- Topo ---------- */

.hero {
  padding: 72px 0 88px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(40px, 5.2vw, 62px);
  font-weight: 680;
  letter-spacing: -0.035em;
}

.hero p.lead {
  margin-top: 22px;
  max-width: 34ch;
  font-size: 19px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.shot {
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ---------- Onde funciona ---------- */

.sources {
  padding: 0 0 24px;
}

.sources ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 28px;
  margin: 0;
  padding: 26px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
}

.sources li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.sources .icon {
  width: 22px;
  height: 22px;
  color: var(--text);
}

/* ---------- Como funciona ---------- */

.steps-head {
  max-width: 640px;
}

.steps-head p {
  margin-top: 14px;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  padding: 0 28px 0 0;
}

.steps li + li {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.steps .keys {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  margin-bottom: 18px;
  font-size: 19px;
}

.steps .keys .icon {
  width: 34px;
  height: 34px;
  color: var(--accent);
}

.steps p {
  margin-top: 8px;
  color: var(--muted);
}

@media (max-width: 760px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .steps li,
  .steps li + li {
    padding: 0;
    border: 0;
  }
}

/* ---------- Para quem ---------- */

.audiences {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.audiences h2 {
  max-width: 18ch;
}

.bento {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
  margin-top: 48px;
}

.tile {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: var(--bg);
  overflow: hidden;
}

.tile .text {
  padding: 26px 28px 0;
}

.tile .who {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
}

.tile .who .icon {
  width: 22px;
  height: 22px;
}

.tile p {
  margin-top: 8px;
  color: var(--muted);
  max-width: 46ch;
}

.tile .media {
  margin: 24px 0 0 28px;
  border-top-left-radius: 12px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  overflow: hidden;
  margin-top: auto;
}

.tile .media img {
  width: 100%;
}

.tile.tall {
  grid-row: span 2;
}

.tile.tall .media {
  margin-top: 28px;
}

.tile.wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.tile.wide .text {
  padding: 28px;
}

.tile.wide .media {
  margin: 28px 28px 28px 0;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.tile.accent {
  background: var(--accent-soft);
  border-color: transparent;
}

@media (max-width: 860px) {
  .bento {
    grid-template-columns: 1fr;
  }
  .tile.tall {
    grid-row: auto;
  }
  .tile.wide {
    grid-template-columns: 1fr;
  }
  .tile.wide .media {
    margin: 0 28px 28px;
  }
}

/* ---------- Não inventa ---------- */

.honest .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.honest p {
  margin-top: 18px;
  color: var(--muted);
  max-width: 48ch;
}

.compare {
  display: grid;
  gap: 14px;
}

.compare figure {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: var(--surface);
}

.compare figcaption {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 14px;
}

.compare img {
  border-radius: 8px;
  image-rendering: auto;
}

.result {
  font: 500 16px/1.5 "Geist Mono", ui-monospace, monospace;
}

.result mark {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
}

.result.wrong {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent);
}

@media (max-width: 860px) {
  .honest .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ---------- Dois jeitos de ler ---------- */

.modes h2 {
  max-width: 20ch;
}

.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.modes-grid > div {
  padding: 32px 36px 0 0;
}

.modes-grid > div + div {
  padding-left: 36px;
  border-left: 1px solid var(--line);
}

.modes-grid h3 {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modes-grid h3 .icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.modes-grid .tagline {
  margin-top: 8px;
  color: var(--muted);
}

.checks {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.checks li {
  display: flex;
  gap: 12px;
}

.checks .icon {
  margin-top: 3px;
  color: var(--accent);
}

@media (max-width: 760px) {
  .modes-grid {
    grid-template-columns: 1fr;
  }
  .modes-grid > div,
  .modes-grid > div + div {
    padding: 28px 0 0;
    border: 0;
  }
}

/* ---------- Preço ---------- */

.pricing {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pricing .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing .intro p {
  margin-top: 18px;
  color: var(--muted);
  max-width: 44ch;
}

.plan {
  padding: 32px;
  border-radius: var(--radius-block);
  border: 2px solid var(--accent);
  background: var(--bg);
}

.plan .price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 10px;
  font-size: 46px;
  font-weight: 680;
  letter-spacing: -0.03em;
}

.plan .price span {
  font-size: 17px;
  font-weight: 450;
  color: var(--muted);
  letter-spacing: 0;
}

.plan .annual {
  color: var(--muted);
}

.plan .checks {
  grid-template-columns: 1fr 1fr;
  margin-top: 24px;
  font-size: 15px;
}

.plan .button {
  margin-top: 28px;
  width: 100%;
  justify-content: center;
}

.plan .fine {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 860px) {
  .pricing .wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .plan .checks {
    grid-template-columns: 1fr;
  }
}

/* ---------- Dúvidas ---------- */

.faq .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq details:first-child {
  border-top: 1px solid var(--line);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary .icon {
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq details[open] summary .icon {
  transform: rotate(180deg);
}

.faq details p {
  padding: 0 40px 22px 0;
  color: var(--muted);
}

@media (max-width: 860px) {
  .faq .wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ---------- Chamada final ---------- */

.closing {
  padding: 0 0 96px;
}

.closing .band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 44px 48px;
  border-radius: var(--radius-block);
  background: var(--accent);
  color: var(--on-accent);
}

.closing h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  max-width: 22ch;
}

.closing .button {
  background: var(--on-accent);
  color: var(--accent);
}

.closing .button:hover {
  background: color-mix(in srgb, var(--on-accent) 88%, var(--accent));
}

/* ---------- Rodapé ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 15px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}

footer .brand {
  font-size: 16px;
  margin-right: auto;
}

footer .brand img {
  width: 24px;
  height: 24px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

/* ---------- Páginas de texto (baixar, termos, privacidade) ---------- */

.page {
  padding: 64px 0 96px;
}

.page .wrap {
  max-width: 760px;
}

.page h1 {
  font-size: clamp(34px, 4.4vw, 48px);
  font-weight: 680;
  letter-spacing: -0.03em;
}

.page .lead {
  margin-top: 16px;
  color: var(--muted);
  font-size: 19px;
}

.page h2 {
  margin-top: 48px;
  font-size: 24px;
  font-weight: 640;
}

.page p,
.page ul {
  margin-top: 14px;
}

.page ul {
  padding-left: 22px;
}

.page li + li {
  margin-top: 6px;
}

.updated {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.download-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 24px;
  margin-top: 32px;
  padding: 28px;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: var(--surface);
}

.download-box .muted {
  font-size: 15px;
}

/* Aviso do SmartScreen: explica o "O Windows protegeu o computador" e mostra onde clicar. */
.smartscreen {
  margin-top: 20px;
  padding: 26px 28px;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  background: var(--surface);
}

.smartscreen-head {
  display: flex;
  gap: 16px;
}

.smartscreen-head > .icon {
  width: 30px;
  height: 30px;
  margin-top: 2px;
  color: var(--accent);
}

.page .smartscreen h2 {
  margin: 0;
  font-size: 21px;
}

.smartscreen-head p {
  margin-top: 8px;
  color: var(--muted);
}

.smartscreen-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page .smartscreen-steps li + li {
  margin-top: 0;
}

.smartscreen-steps p {
  margin-top: 10px;
  font-size: 15px;
}

/* Réplica simplificada da janela azul do Windows (sempre azul, como no Windows). */
.ss-window {
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 18px 18px 14px;
  border-radius: 8px;
  background: #0b5cad;
  color: #fff;
  font-family: "Segoe UI", system-ui, sans-serif;
  box-shadow: var(--shadow);
}

.page .ss-window p {
  margin: 0;
}

.ss-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
}

.page .ss-text {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.45;
  opacity: 0.92;
}

.ss-link {
  align-self: flex-start;
  margin-top: 8px;
  font-size: 12.5px;
  text-decoration: underline;
}

.ss-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.ss-button {
  padding: 6px 14px;
  border: 1px solid rgb(255 255 255 / 0.7);
  font-size: 12.5px;
  white-space: nowrap;
}

/* O que clicar: contorno amarelo que pulsa. */
.ss-target {
  outline: 3px solid #fbbf24;
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .ss-target {
    animation: ss-pulse 1.6s ease-in-out infinite;
  }
}

@keyframes ss-pulse {
  50% {
    outline-color: rgb(251 191 36 / 0.35);
  }
}

.smartscreen-facts {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page .smartscreen-facts {
  padding: 0;
}

.smartscreen-facts li {
  display: flex;
  gap: 10px;
  font-size: 15px;
}

.smartscreen-facts .icon {
  margin-top: 3px;
  color: #16a34a;
}

@media (max-width: 620px) {
  .smartscreen {
    padding: 20px 18px;
  }

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

  .smartscreen-steps {
    grid-template-columns: 1fr;
  }
}

.howto {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: howto;
}

.howto > li {
  position: relative;
  padding: 0 0 32px 56px;
  counter-increment: howto;
}

.howto > li::before {
  content: counter(howto);
  position: absolute;
  left: 0;
  top: -2px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
}

.howto > li + li {
  margin-top: 0;
}

.howto h2 {
  margin-top: 0;
  font-size: 21px;
}

.howto p {
  margin-top: 8px;
  color: var(--muted);
}

.note {
  margin-top: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 15px;
}

/* ---------- Animação de entrada (só para quem não reduziu movimento) ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
      transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .js .reveal.seen {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Nossos testes ---------- */

.tests {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.tests-head {
  max-width: 720px;
}

.tests-head p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 24px 28px 0;
}

.stat + .stat {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.stat strong {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
}

.stat span {
  color: var(--muted);
  font-size: 15px;
}

/* Leitura local (sem IA): destaque separado dos números da IA. */
.offline-stat {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 44px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-block);
  background: var(--surface);
}

.offline-stat strong {
  flex: none;
  font: 750 clamp(32px, 3.6vw, 44px) / 1 var(--font-display);
  letter-spacing: -0.03em;
  color: var(--accent);
}

.offline-stat p {
  color: var(--muted);
  font-size: 15px;
}

.offline-title {
  display: block;
  color: var(--text);
  font: 650 17px var(--font-display);
}

@media (max-width: 560px) {
  .offline-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* Comparação com o leitor do Windows: barras na escala real de 0 a 100%. */
.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 32px;
  margin-top: 16px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-block);
  background: var(--surface);
}

.versus p {
  color: var(--muted);
  font-size: 15px;
}

.bars {
  display: grid;
  gap: 12px;
}

.bar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border-radius: 8px;
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  background: var(--line);
}

.bar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--value);
  background: var(--muted);
  opacity: 0.35;
}

.bar.ours::before {
  background: var(--accent);
  opacity: 0.45;
}

.bar span,
.bar strong {
  position: relative;
}

.bar strong {
  font: 700 16px var(--font-display);
}

@media (max-width: 760px) {
  .versus {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 44px;
}

.cases h3 {
  font-size: 18px;
}

.cases dl {
  display: grid;
  gap: 2px;
  margin: 16px 0 0;
}

.cases dl > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 14px;
  border-radius: 8px;
}

.cases dl > div:nth-child(odd) {
  background: var(--bg);
}

.cases dt {
  color: var(--muted);
}

.cases dd {
  margin: 0;
  font: 600 15px/1.6 "Geist Mono", ui-monospace, monospace;
  color: var(--text);
  white-space: nowrap;
}

.method {
  margin-top: 32px;
  max-width: 80ch;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .stats {
    grid-template-columns: 1fr 1fr;
  }
  .stat:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }
  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
  .cases {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .stats {
    grid-template-columns: 1fr;
  }
  .stat,
  .stat + .stat {
    padding: 22px 0;
    border-left: 0;
  }
  .stat + .stat {
    border-top: 1px solid var(--line);
  }
}

/* ---------- Vídeo de demonstração ---------- */

.demo {
  padding-top: 24px;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 36px;
}

.video-frame {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.video-frame video {
  cursor: pointer;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #0e1014;
}

.video-frame {
  position: relative;
}

/* Pausar e tela cheia: no canto, sempre visíveis no celular e ao passar o mouse no computador. */
.video-controls {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 8px;
  transition: opacity 0.2s ease;
}

@media (hover: hover) {
  .video-frame:not(:hover):not(:focus-within) .video-controls {
    opacity: 0;
  }
}

.video-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  /* Contorno branco: o botão aparece sobre qualquer quadro do vídeo, claro ou escuro. */
  border: 2px solid #fff;
  border-radius: 10px;
  background: rgb(15 17 22 / 0.78);
  color: #fff;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.35);
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.video-button:hover {
  background: rgb(15 17 22 / 0.92);
}

.video-button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.video-button .icon {
  width: 20px;
  height: 20px;
}

/* Em tela cheia, o vídeo inteiro aparece (sem cortar) sobre fundo preto. */
.video-frame:fullscreen {
  border: 0;
  border-radius: 0;
  background: #000;
}

.video-frame:fullscreen video {
  object-fit: contain;
}

.chapters {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chapters li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
}

.chapters li.ready {
  cursor: pointer;
}

.chapters li.ready:hover,
.chapters li.current {
  background: var(--surface);
}

.chapters .icon {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--accent);
}

.chapters strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 650;
}

.chapters span {
  display: block;
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 860px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1000px) {
  .sources ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .sources ul {
    grid-template-columns: 1fr;
  }
}

/* ---------- Experimente agora (demo interativa) ---------- */

.try {
  padding-top: 24px;
}

.try-head p {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--muted);
}

.try-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.try-tabs button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-ui);
  background: var(--surface);
  color: var(--text);
  font: 600 15px/1 var(--font-display);
  cursor: pointer;
}

.try-tabs button .icon {
  color: var(--accent);
}

.try-tabs button:hover {
  border-color: var(--muted);
}

.try-tabs button[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.try-tabs button:focus-visible,
.try-modes button:focus-visible,
.try-stage:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.try-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 18px;
}

/* O palco imita a tela congelada do app: seleção com o resto escurecido e a barra de modos no topo. */
.try-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: #0e1014;
  box-shadow: var(--shadow);
  cursor: crosshair;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.try-stage [hidden] {
  display: none !important;
}

.try-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 880px;
  height: 495px;
  transform-origin: 0 0;
}

.try-bar {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 3;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 6px;
  cursor: default;
}

.try-modes {
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: 10px;
  background: rgb(24 24 27 / 0.92);
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.35);
}

.try-modes button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #d4d4d8;
  font: 500 13px/1 var(--font-body);
  cursor: pointer;
}

.try-modes button:hover {
  background: rgb(255 255 255 / 0.08);
}

.try-modes button[aria-checked="true"] {
  background: #2563eb;
  color: #fff;
}

.try-modes kbd {
  padding: 1px 5px;
  border: 0;
  border-radius: 4px;
  background: rgb(255 255 255 / 0.14);
  color: inherit;
  font-size: 11px;
}

.try-stage.touched .try-hint {
  display: none;
}

.try-hint {
  padding: 4px 10px;
  border-radius: 99px;
  background: rgb(24 24 27 / 0.8);
  color: #e4e4e7;
  font: 12px/1.4 var(--font-body);
}

.try-selection {
  position: absolute;
  z-index: 2;
  outline: 1px solid #4da3ff;
  box-shadow: 0 0 0 200vmax rgb(0 0 0 / 0.38);
  pointer-events: none;
}

.try-ghost {
  position: absolute;
  z-index: 2;
  border: 2px dashed #4da3ff;
  border-radius: 6px;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .try-ghost {
    animation: try-pulse 1.8s ease-in-out infinite;
  }
}

@keyframes try-pulse {
  50% {
    opacity: 0.35;
  }
}

.try-toast {
  position: absolute;
  bottom: 14px;
  left: 50%;
  z-index: 3;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: calc(100% - 24px);
  padding: 10px 16px;
  border-radius: 12px;
  background: rgb(24 24 27 / 0.95);
  color: #f4f4f5;
  font: 500 14px/1.35 var(--font-body);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.35);
}

.try-toast small {
  display: block;
  color: #a1a1aa;
  font-size: 12px;
}

.try-toast-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #16a34a;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.try-toast.error .try-toast-icon {
  background: #dc2626;
}

/* Resultado "colado": Bloco de Notas, editor, Notion ou planilha, conforme o modo. */
.try-result {
  display: grid;
  gap: 10px;
}

.try-result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-display);
}

.try-copy {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: 600 13px/1 var(--font-display);
  cursor: pointer;
}

.try-copy:hover {
  border-color: var(--muted);
}

.try-copy[hidden] {
  display: none;
}

.try-result-head span {
  color: var(--muted);
  font: 400 14px var(--font-body);
}

.try-output {
  min-height: 240px;
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-block);
  background: var(--surface);
}

.try-empty {
  padding: 22px;
  color: var(--muted);
  font-size: 15px;
}

.paste {
  margin: 0;
}

pre.paste {
  min-height: 240px;
  padding: 16px 18px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 14px/1.6 "Geist Mono", ui-monospace, Consolas, monospace;
  user-select: text;
}

pre.paste-notepad {
  font-family: Consolas, "Geist Mono", ui-monospace, monospace;
}

pre.paste-editor {
  background: #1e2127;
  color: #dcdfe4;
  white-space: pre;
  overflow-wrap: normal;
}

table.paste-sheet {
  width: 100%;
  border-collapse: collapse;
  font: 14px/1.4 var(--font-body);
  user-select: text;
}

.paste-sheet th,
.paste-sheet td {
  padding: 6px 10px;
  border: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.paste-sheet th {
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  text-align: center;
}

.try-note {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 960px) {
  .try-grid {
    grid-template-columns: 1fr;
  }

  .try-output,
  pre.paste {
    min-height: 160px;
  }
}

@media (max-width: 560px) {
  .try-modes kbd {
    display: none;
  }

  .try-modes button {
    padding: 6px 8px;
    font-size: 12px;
  }

  .try-hint {
    display: none;
  }

  .try-toast {
    bottom: 8px;
    padding: 8px 12px;
    font-size: 13px;
  }
}

/* ---------- Telas da demo (desenhadas em 880 × 495, ou 560 × 560 no celular, e escaladas) ---------- */

.scene {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "Segoe UI", system-ui, sans-serif;
}

.scene p,
.scene h3 {
  margin: 0;
}

.scene .w {
  white-space: pre;
}

/* Player de vídeo genérico (videoaula e aula de programação). */
.scene-player {
  display: flex;
  flex-direction: column;
  background: #0d0f13;
}

.player-top {
  padding: 10px 18px;
  color: #c9cdd4;
  font-size: 13px;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px 12px;
  color: #e5e7eb;
  font-size: 12px;
}

.player-controls .track {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgb(255 255 255 / 0.25);
  overflow: hidden;
}

.player-controls .track span {
  display: block;
  width: 31%;
  height: 100%;
  background: #ef4444;
}

.slide {
  flex: 1;
  margin: 0 18px;
  padding: 58px 54px 0;
  border-radius: 4px;
  background: linear-gradient(160deg, #ffffff, #f1f4fa);
  color: #1b1f2a;
}

.slide .kicker {
  color: #2f5bd3;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.slide h3 {
  margin: 6px 0 14px;
  font: 700 30px/1.15 "Segoe UI", system-ui, sans-serif;
  letter-spacing: -0.01em;
}

.slide p,
.slide li {
  font-size: 17px;
  line-height: 1.5;
}

.slide ul {
  margin: 8px 0 14px;
  padding: 0 0 0 4px;
  list-style: none;
}

.slide .slide-note {
  display: inline-block;
  padding: 6px 12px;
  border-left: 3px solid #2f5bd3;
  background: #e8eefc;
  font-size: 15px;
}

/* PDF escaneado (sem texto selecionável). */
.scene-pdf {
  background: #3b3f46;
}

.pdf-bar {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 9px 16px;
  background: #2a2d33;
  color: #d6d9de;
  font-size: 12px;
}

.pdf-bar .lock {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 4px;
  background: #4b2a2a;
  color: #fca5a5;
}

.pdf-page {
  width: 700px;
  max-width: calc(100% - 28px);
  height: 520px;
  margin: 14px auto 0;
  padding: 62px 46px 0;
  background: #fbfaf6;
  color: #22252b;
  font-family: Georgia, "Times New Roman", serif;
  box-shadow: 0 4px 18px rgb(0 0 0 / 0.4);
}

.pdf-page .kicker {
  color: #6b6b6b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pdf-page h3 {
  margin: 2px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #b8b8b8;
  font: 700 30px/1.1 Georgia, serif;
}

.pdf-page p,
.pdf-page li {
  font-size: 15.5px;
  line-height: 1.5;
}

.pdf-page p + p {
  margin-top: 8px;
}

.pdf-page ol {
  margin: 6px 0 8px;
  padding: 0;
  list-style: none;
}

.pdf-page li {
  padding-left: 16px;
  text-indent: -16px;
}

.pdf-page .equation {
  margin-top: 10px;
  text-align: center;
  font: 600 17px "Segoe UI", system-ui, sans-serif;
}

/* Editor de código dentro de uma videoaula. */
.editor {
  flex: 1;
  margin: 0 18px;
  border-radius: 4px;
  background: #1e2127;
  overflow: hidden;
}

.editor-tab {
  padding: 8px 16px;
  background: #181a1f;
  color: #c8ccd4;
  font-size: 12px;
}

.code {
  padding: 30px 22px 0;
  counter-reset: line;
}

.cl {
  position: relative;
  min-height: 1.6em;
  padding-left: 40px;
  color: #dcdfe4;
  font: 16px/1.6 Consolas, "Geist Mono", monospace;
  white-space: pre;
}

.cl::before {
  counter-increment: line;
  content: counter(line);
  position: absolute;
  left: 0;
  width: 24px;
  text-align: right;
  color: #5c6370;
}

.cl b {
  font-weight: 400;
}

.cl .k {
  color: #c678dd;
}

.cl .f {
  color: #61afef;
}

.cl .s {
  color: #98c379;
}

.cl .n {
  color: #d19a66;
}

.cl .b {
  color: #56b6c2;
}

/* Relatório com tabela (imagem de um PDF ou planilha). */
.scene-report {
  padding: 62px 40px 0;
  background: #fff;
  color: #1f232b;
}

.scene-report h3 {
  margin-top: 26px;
  font: 700 24px/1.2 "Segoe UI", system-ui, sans-serif;
}

.scene-report .sub {
  margin: 4px 0 18px;
  color: #6b7080;
  font-size: 14px;
}

.scene-report table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #d3d7df;
  font-size: 14px;
}

.scene-report td {
  padding: 10px 14px;
}

.scene-report tr:first-child td {
  background: #2f5bd3;
  color: #fff;
  font-weight: 700;
}

.scene-report tr:nth-child(odd):not(:first-child) td {
  background: #f3f5f9;
}

.scene-report td:first-child,
.scene-report td:last-child {
  font-weight: 600;
}

/* Celular: tela quadrada e mais estreita, para o texto da demo não ficar minúsculo. */
@media (max-width: 560px) {
  .try-stage {
    aspect-ratio: 1 / 1;
  }

  .try-canvas {
    width: 560px;
    height: 560px;
  }

  .slide {
    padding: 74px 26px 0;
  }

  .pdf-page {
    padding: 70px 24px 0;
    height: 560px;
  }

  .code {
    padding: 56px 10px 0;
  }

  .scene-report {
    padding: 84px 16px 0;
  }

  .scene-report td {
    padding: 9px 7px;
    white-space: nowrap;
  }
}

/* ---------- Histórico ---------- */

.history .wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.history p {
  margin-top: 18px;
  color: var(--muted);
  max-width: 46ch;
}

.history .checks {
  margin-top: 26px;
}

@media (max-width: 860px) {
  .history .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ---------- Guias e SEO (gerado: ferramentas/gerar-site-seo.py) ---------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--text);
  text-decoration: underline;
}

.page.guide .wrap {
  max-width: 800px;
}

.guide .answer {
  margin-top: 24px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-ui);
  background: var(--surface);
  font-size: 18px;
}

.guide .answer p {
  margin: 0;
}

.guide-steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: passo;
}

.guide-steps li {
  position: relative;
  min-height: 34px;
  padding-left: 48px;
}

.guide-steps li + li {
  margin-top: 14px;
}

.guide-steps li::before {
  content: counter(passo);
  counter-increment: passo;
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font: 700 15px var(--font-display);
}

.guide .note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.table-wrap {
  margin-top: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-ui);
  background: var(--surface);
}

table.compare {
  display: table;
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.45;
}

table.compare.wide {
  min-width: 900px;
}

/* Tabelas de 5 colunas passam um pouco da coluna de texto quando a tela é grande; em tela pequena rolam de lado. */
@media (min-width: 1040px) {
  .table-wrap.wide {
    margin-left: -90px;
    margin-right: -90px;
  }
}

table.compare th,
table.compare td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

table.compare thead th {
  background: var(--surface-2);
  font: 650 14px var(--font-display);
}

table.compare tbody th {
  font: 600 14px var(--font-display);
  white-space: nowrap;
}

table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td {
  border-bottom: 0;
}

.guide .qa details {
  border-bottom: 1px solid var(--line);
}

.guide .qa details:first-of-type {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.guide .qa summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  font: 600 17px var(--font-display);
  cursor: pointer;
  list-style: none;
}

.guide .qa summary::-webkit-details-marker {
  display: none;
}

.guide .qa summary .icon {
  color: var(--muted);
  transition: transform 0.2s ease;
}

.guide .qa details[open] summary .icon {
  transform: rotate(180deg);
}

.guide .qa details p {
  margin: 0;
  padding: 0 36px 18px 0;
  color: var(--muted);
}

.sources-list li {
  overflow-wrap: anywhere;
}

.cta-box {
  margin-top: 56px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-block);
  background: var(--accent-soft);
}

.cta-box h2 {
  margin: 0;
  font-size: 22px;
}

.cta-box p {
  margin-top: 10px;
}

.cta-box .button {
  margin-top: 18px;
}

.related ul,
ul.guide-cards {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.related li + li,
.guide-cards li + li {
  margin-top: 0;
}

.related li {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.related li span,
.guide-cards span {
  color: var(--muted);
  font-size: 15px;
}

ul.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.guide-cards a {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-block);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.guide-cards a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.guide-cards h2,
.guide-cards h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

.guides {
  padding-top: 24px;
}

.guides ul.guide-cards {
  gap: 18px;
}

.guides-lead {
  margin-top: 12px;
  color: var(--muted);
  font-size: 19px;
}

@media (max-width: 720px) {
  ul.guide-cards {
    grid-template-columns: 1fr;
  }
}