/* ---------- Fontes (auto-hospedadas, subset latin) ---------- */
@font-face {
  font-family: Nunito;
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/nunito-latin-800-v1.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/dm-sans-latin-400-v1.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/dm-sans-latin-500-v1.woff2') format('woff2');
}

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  --color-bg: #ffffff;
  --color-surface: #ecfdf5;
  --color-text: #0a3f56;
  --color-text-2: #3e5a66;
  --color-block: #0a3f56;
  --color-peca: #059669;
  --color-green-text: #047857;
  --color-slogan: #0a3f56;
  --color-line: #d5dee2;
  --color-track: #d5dee2;
  --color-control-edge: #758a94;

  --font-display: Nunito, 'Trebuchet MS', 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* O teto pela largura evita rolagem horizontal quando só o texto é ampliado. */
  --text-brand: min(clamp(2.25rem, 12vw, 5.5rem), calc((100vw - 2 * var(--space-page)) / 5.8));
  --text-title: clamp(1.5rem, 1.2rem + 1.6vw, 2.25rem);
  --text-body: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-label: 0.75rem;
  --text-small: 0.875rem;

  --space-page: clamp(1rem, 0.5rem + 2.5vw, 2.5rem);
  --space-stack: clamp(2.5rem, 1.5rem + 5vw, 5rem);
  --space-card: clamp(1.5rem, 1rem + 2vw, 2.25rem);

  --radius-block: 0.25rem;
  --radius-card: 1rem;

  --duration-fill: 700ms;
  --duration-snap: 1800ms;
  --duration-ui: 200ms;
  --delay-snap: 400ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  /* Parte e chega devagar, para o encaixe ser acompanhado com o olhar. */
  --ease-snap: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Os tokens escuros aparecem duas vezes de propósito: a media query cobre
   quem está sem JavaScript; o atributo cobre a escolha feita no botão. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;

    --color-bg: #0a3f56;
    --color-surface: #0e5a7a;
    --color-text: #ffffff;
    --color-text-2: #a7f3d0;
    --color-block: #ffffff;
    --color-peca: #34d399;
    --color-green-text: #a7f3d0;
    --color-slogan: #a7f3d0;
    --color-line: #2a6f8c;
    --color-track: #0e5a7a;
    --color-control-edge: #4f94b0;
  }
}

:root[data-theme='dark'] {
  color-scheme: dark;

  --color-bg: #0a3f56;
  --color-surface: #0e5a7a;
  --color-text: #ffffff;
  --color-text-2: #a7f3d0;
  --color-block: #ffffff;
  --color-peca: #34d399;
  --color-green-text: #a7f3d0;
  --color-slogan: #a7f3d0;
  --color-line: #2a6f8c;
  --color-track: #0e5a7a;
  --color-control-edge: #4f94b0;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
}

h1,
h2,
p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 4px;
}

/* ---------- Cabeçalho e botão de aparência ---------- */
.site-header {
  display: flex;
  justify-content: flex-end;
  /* Reserva a altura do botão, que só aparece depois que o JS roda. */
  min-height: calc(2 * var(--space-page) + 2.75rem);
  padding: var(--space-page);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  border: 1px solid var(--color-control-edge);
  border-radius: 0.625rem;
  background: transparent;
  color: var(--color-text);
  font: 500 var(--text-small) / 1 var(--font-body);
  cursor: pointer;
  transition: border-color var(--duration-ui) ease;
}

.theme-toggle[hidden] {
  display: none;
}

.theme-toggle:hover {
  border-color: var(--color-text);
}

.theme-toggle:active .theme-toggle-knob {
  scale: 0.85;
}

.theme-toggle-track {
  display: block;
  width: 2.5rem;
  height: 1.5rem;
  padding: calc(0.1875rem - 1px);
  border: 1px solid var(--color-control-edge);
  border-radius: 0.375rem;
  background: var(--color-track);
}

.theme-toggle-knob {
  display: block;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: var(--radius-block);
  background: var(--color-block);
  transition:
    translate var(--duration-ui) var(--ease-out-expo),
    scale var(--duration-ui) ease;
}

.theme-toggle[aria-pressed='true'] .theme-toggle-knob {
  translate: 1rem 0;
  background: var(--color-peca);
}

/* ---------- Palco ---------- */
.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-stack);
  padding: var(--space-page);
}

/* ---------- Logo ---------- */
.brand-heading {
  font-size: var(--text-brand);
  font-weight: 400;
  line-height: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.28em;
  border-radius: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.brand:focus-visible {
  outline-offset: 10px;
}

.brand-symbol {
  flex: none;
  width: 1.3334em;
  height: 1.3334em;
  overflow: visible;
}

.block {
  fill: var(--color-block);
}

.peca {
  fill: var(--color-peca);
  transform-box: fill-box;
  transform-origin: center;
  transition: fill var(--duration-fill) ease;
  animation: encaixe var(--duration-snap) var(--ease-snap) var(--delay-snap) backwards;
}

.brand:hover .peca,
.brand:focus-visible .peca,
.brand:active .peca {
  fill: var(--color-block);
}

@keyframes encaixe {
  from {
    opacity: 0;
    transform: translate(18px, 18px) rotate(12deg);
  }

  35% {
    opacity: 1;
  }

  to {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg);
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.128em;
}

.brand-wordmark {
  white-space: nowrap;
}

.brand-pzl {
  color: var(--color-peca);
  font-family: var(--font-display);
  font-weight: 800;
}

.brand-tech {
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.brand-slogan {
  display: flex;
  justify-content: space-between;
  color: var(--color-slogan);
  font-family: var(--font-body);
  font-size: 0.1923em;
  font-weight: 500;
  line-height: 1;
}

/* ---------- Aviso ---------- */
.notice {
  position: relative;
  width: min(100%, 34rem);
  padding: var(--space-card);
  padding-left: calc(var(--space-card) + 0.75rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.notice::before {
  content: '';
  position: absolute;
  top: var(--space-card);
  bottom: var(--space-card);
  left: calc(var(--space-card) - 0.5rem);
  width: 0.25rem;
  border-radius: var(--radius-block);
  background: var(--color-peca);
}

.notice-eyebrow {
  color: var(--color-green-text);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.notice-eyebrow + .notice-title {
  margin-top: 0.5rem;
}

.notice-title {
  font-family: var(--font-display);
  font-size: var(--text-title);
  font-weight: 800;
  line-height: 1.1;
}

.notice-text {
  margin-top: 0.75rem;
  color: var(--color-text-2);
}

.notice-link {
  color: var(--color-green-text);
  font-weight: 500;
  text-underline-offset: 0.2em;
}

/* ---------- Rodapé ---------- */
.site-footer {
  padding: var(--space-page);
  border-top: 1px solid var(--color-line);
  color: var(--color-text-2);
  font-size: var(--text-small);
  text-align: center;
}

/* ---------- Alto contraste do sistema ---------- */
@media (forced-colors: active) {
  .theme-toggle-track {
    border-color: ButtonText;
  }

  .theme-toggle-knob {
    forced-color-adjust: none;
    background: ButtonText;
  }

  .theme-toggle[aria-pressed='true'] .theme-toggle-knob {
    background: Highlight;
  }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  .peca,
  .theme-toggle,
  .theme-toggle-knob {
    animation: none;
    transition: none;
  }
}