:root {
  --azul: #2f4bff;
  --azul-escuro: #1c2fb8;
  --verde: #12b76a;
  --texto: #101828;
  --texto-suave: #667085;
  --borda: #e4e7ec;
  --fundo: #ffffff;
  --fundo-alt: #f6f8fc;
  --raio: 14px;
  --sombra: 0 10px 30px rgba(16, 24, 40, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.container.estreito { max-width: 760px; }

/* ---------- topo ---------- */

.topo {
  border-bottom: 1px solid var(--borda);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.marca {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--texto);
  font-size: 18px;
}

.marca-icone { font-size: 22px; }
.marca-texto strong { color: var(--azul); }

.menu { display: flex; gap: 22px; }

.menu a {
  color: var(--texto-suave);
  text-decoration: none;
  font-size: 15px;
}

.menu a:hover { color: var(--azul); }

/* ---------- hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--fundo-alt), #fff);
  padding: 56px 0 64px;
  text-align: center;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: -.02em;
}

.hero-sub {
  margin: 0 auto 32px;
  max-width: 560px;
  color: var(--texto-suave);
  font-size: 17px;
}

/* ---------- ferramenta ---------- */

.ferramenta {
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: 20px;
  box-shadow: var(--sombra);
  padding: 28px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.campos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.campo { display: flex; flex-direction: column; gap: 6px; }

.campo-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.campo input {
  font: inherit;
  font-size: 20px;
  font-weight: 600;
  padding: 12px 14px;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: #fff;
  color: var(--texto);
  width: 100%;
}

.campo input:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(47, 75, 255, .15);
}

.opcoes {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.opcao {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.opcao input { position: absolute; opacity: 0; pointer-events: none; }

.switch {
  width: 40px;
  height: 23px;
  border-radius: 999px;
  background: #d5d9e2;
  position: relative;
  flex: 0 0 auto;
  transition: background .18s ease;
}

.switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff;
  transition: transform .18s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

.opcao input:checked + .switch { background: var(--azul); }
.opcao input:checked + .switch::after { transform: translateX(17px); }

.opcao input:focus-visible + .switch {
  box-shadow: 0 0 0 3px rgba(47, 75, 255, .3);
}

.opcao-texto { font-size: 15px; }

.opcao-select { gap: 12px; cursor: default; }

.opcao-select select {
  font: inherit;
  font-size: 15px;
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px solid var(--borda);
  background: #fff;
  color: var(--texto);
  cursor: pointer;
}

.opcao-select select:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(47, 75, 255, .15);
}

.erro {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-radius: var(--raio);
  background: #fef3f2;
  color: #b42318;
  font-size: 14px;
}

.btn-sortear {
  margin-top: 22px;
  width: 100%;
  font: inherit;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  background: var(--azul);
  border: 0;
  border-radius: var(--raio);
  padding: 16px;
  cursor: pointer;
  transition: background .15s ease, transform .05s ease;
}

.btn-sortear:hover { background: var(--azul-escuro); }
.btn-sortear:active { transform: translateY(1px); }
.btn-sortear:disabled { opacity: .55; cursor: default; }

/* ---------- resultado ---------- */

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(16, 24, 40, .72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fundoEntra .2s ease;
  overflow-y: auto;
}

.modal[hidden] { display: none; }

@keyframes fundoEntra {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-caixa {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(16, 24, 40, .38);
  text-align: center;
  margin: auto;
  overflow: hidden;
  animation: caixaEntra .3s cubic-bezier(.2, .9, .3, 1.25);
}

@keyframes caixaEntra {
  from { transform: translateY(20px) scale(.94); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.modal-topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 14px 16px 26px;
  border-bottom: 1px solid var(--borda);
}

.modal-titulo {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

/* Reticências animadas enquanto o sorteio corre. */
.modal-titulo.correndo::after {
  content: "";
  animation: reticencias 1.2s steps(4, end) infinite;
}

@keyframes reticencias {
  0%   { content: ""; }
  25%  { content: "."; }
  50%  { content: ".."; }
  75%  { content: "..."; }
}

.modal-fechar {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--texto-suave);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}

.modal-fechar:hover { background: var(--fundo-alt); color: var(--texto); }

.modal-corpo { padding: 24px 26px; }

.modal-acoes {
  display: flex;
  gap: 10px;
  padding: 16px 26px 20px;
  border-top: 1px solid var(--borda);
  background: var(--fundo-alt);
  animation: entrar .3s ease backwards;
  animation-delay: .25s;
}

.modal-acoes[hidden] { display: none; }

.btn-modal {
  flex: 1;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--texto);
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 11px 14px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.btn-modal:hover { border-color: var(--azul); color: var(--azul); }

.btn-modal.principal {
  flex: 1.4;
  background: var(--azul);
  border-color: var(--azul);
  color: #fff;
}

.btn-modal.principal:hover { background: var(--azul-escuro); color: #fff; }

body.travado { overflow: hidden; }

/* ---------- confetes ---------- */

.confete-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  pointer-events: none;
}

.contador {
  text-align: center;
  font-size: clamp(64px, 18vw, 120px);
  font-weight: 800;
  color: var(--azul);
  line-height: 1.1;
  animation: pulsar .85s ease;
}

@keyframes pulsar {
  0%   { transform: scale(.5); opacity: 0; }
  45%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---------- roleta ---------- */

.roleta-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 8px 0 20px;
}

.roleta-palco {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
}

.roleta-canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--fundo-alt);
  box-shadow: 0 12px 32px rgba(16, 24, 40, .18);
  position: relative;
  z-index: 1;
}

/* Halo pulsante atrás da roda enquanto ela gira. */
.roleta-brilho {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 75, 255, .35), transparent 68%);
  animation: halo 1.6s ease-in-out infinite;
  z-index: 0;
}

@keyframes halo {
  0%, 100% { transform: scale(.96); opacity: .55; }
  50%      { transform: scale(1.04); opacity: .95; }
}

.ponteiro {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 13px solid transparent;
  border-right: 13px solid transparent;
  border-top: 24px solid var(--verde);
  z-index: 2;
  filter: drop-shadow(0 2px 4px rgba(16, 24, 40, .35));
}

.roleta-legenda {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-suave);
  min-height: 21px;
}

.resultado {
  border-top: 1px solid var(--borda);
  padding-top: 22px;
  text-align: center;
  animation: entrar .3s ease;
}

.resultado-titulo {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

.numeros {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.numeros li {
  min-width: 72px;
  padding: 14px 16px;
  border-radius: var(--raio);
  background: var(--fundo-alt);
  border: 1px solid var(--borda);
  font-size: 28px;
  font-weight: 800;
  color: var(--texto);
  animation: entrar .3s ease backwards;
}

.numeros li.destaque {
  background: linear-gradient(145deg, var(--azul), var(--azul-escuro));
  border-color: var(--azul);
  color: #fff;
  font-size: 56px;
  min-width: 150px;
  padding: 26px 30px;
  box-shadow: 0 12px 34px rgba(47, 75, 255, .42);
  animation: cravar .55s cubic-bezier(.2, .9, .25, 1.4) backwards,
             respirar 2.4s ease-in-out 0.6s infinite;
}

/* Número único "crava" na tela vindo de cima, com leve exagero na escala. */
@keyframes cravar {
  0%   { transform: scale(2.6) translateY(-40px); opacity: 0; filter: blur(6px); }
  60%  { transform: scale(.92) translateY(0); opacity: 1; filter: blur(0); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes respirar {
  0%, 100% { box-shadow: 0 12px 34px rgba(47, 75, 255, .42); }
  50%      { box-shadow: 0 12px 44px rgba(47, 75, 255, .68); }
}

@keyframes entrar {
  from { transform: translateY(14px) scale(.82); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.resultado-meta {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--texto-suave);
}

.resultado-acoes {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secundario {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--texto);
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 10px 18px;
  cursor: pointer;
}

.btn-secundario:hover { border-color: var(--azul); color: var(--azul); }

/* ---------- conteúdo ---------- */

.bloco { padding: 56px 0; }
.bloco.alt { background: var(--fundo-alt); }

.bloco h2 {
  margin: 0 0 16px;
  font-size: 26px;
  letter-spacing: -.01em;
}

.bloco h3 { margin: 32px 0 10px; font-size: 19px; }
.bloco p { margin: 0 0 14px; color: #344054; }

.lista, .passos { margin: 0; padding-left: 22px; color: #344054; }
.lista li, .passos li { margin-bottom: 8px; }

details {
  border-bottom: 1px solid var(--borda);
  padding: 14px 0;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

details summary::after {
  content: "+";
  color: var(--azul);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}

details[open] summary::after { content: "–"; }
details p { margin: 12px 0 0; }

code {
  background: var(--fundo-alt);
  border: 1px solid var(--borda);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 13px;
}

/* ---------- rodapé ---------- */

.rodape {
  border-top: 1px solid var(--borda);
  padding: 26px 0;
  font-size: 14px;
  color: var(--texto-suave);
}

.rodape-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.rodape p { margin: 0; }
.rodape-links { display: flex; gap: 18px; }
.rodape-links a { color: var(--texto-suave); text-decoration: none; }
.rodape-links a:hover { color: var(--azul); }

/* ---------- responsivo ---------- */

@media (max-width: 640px) {
  .menu { display: none; }
  .campos { grid-template-columns: 1fr; }
  .ferramenta { padding: 20px; }
  .hero { padding: 40px 0 48px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}