:root {
  --vermelho: #C51F2C;
  --vermelho-fundo: #B01C28;
  --vinho: #99151C;
  --creme: #F4E7D1;
  --creme-2: #EADBC0;
  --carvao: #211B19;
  --carvao-2: #4a403b;
  --branco: #fffaf1;
  --ok: #2f7d4a;
  --raio: 14px;
  --sombra: 0 2px 0 rgba(33, 27, 25, .08), 0 10px 30px -12px rgba(33, 27, 25, .25);
  --f-titulo: 'Bebas Neue', 'Oswald', Impact, sans-serif;
  --f-label: 'Oswald', 'Bebas Neue', sans-serif;
  --f-texto: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--creme); color: var(--carvao);
  font-family: var(--f-texto); font-size: 16px; line-height: 1.5;
  background-image: radial-gradient(rgba(153, 21, 28, .05) 1px, transparent 1px);
  background-size: 4px 4px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--vermelho); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- elementos de marca ---------- */
.listras {
  height: 14px;
  background: repeating-linear-gradient(-55deg, var(--vermelho) 0 8px, transparent 8px 16px);
}
.listras.creme { background: repeating-linear-gradient(-55deg, var(--creme) 0 8px, transparent 8px 16px); }
.num-tag {
  display: inline-grid; place-items: center; min-width: 2.2em; height: 2.2em; padding: 0 .35em;
  background: var(--vermelho); color: var(--creme); font-family: var(--f-titulo); font-size: 1em; line-height: 1;
}
.label {
  font-family: var(--f-label); text-transform: uppercase; letter-spacing: .18em; font-weight: 500; font-size: .8rem;
}
h1, h2, h3 { font-family: var(--f-titulo); font-weight: 400; letter-spacing: .02em; line-height: 1; margin: 0; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  border: 0; border-radius: 10px; padding: .85em 1.3em; cursor: pointer;
  font-family: var(--f-label); text-transform: uppercase; letter-spacing: .12em; font-weight: 600; font-size: .95rem;
  background: var(--vermelho); color: var(--creme); text-decoration: none;
  transition: transform .12s, background .15s, box-shadow .15s;
  box-shadow: 0 3px 0 var(--vinho);
}
.btn:hover { background: #d42634; }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--vinho); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.sec { background: transparent; color: var(--vermelho); box-shadow: inset 0 0 0 2px var(--vermelho); }
.btn.sec:hover { background: rgba(197, 31, 44, .08); }
.btn.escuro { background: var(--carvao); box-shadow: 0 3px 0 #000; }
.btn.zap { background: #1f9d55; box-shadow: 0 3px 0 #13703b; }
.btn.zap:hover { background: #22ae5e; }
.btn.bloco { width: 100%; }
.btn.peq { padding: .5em .8em; font-size: .78rem; }
.btn svg { width: 1.2em; height: 1.2em; flex: none; }

/* ---------- formulários ---------- */
.campo { display: grid; gap: .35rem; }
.campo > span { font-family: var(--f-label); text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; color: var(--carvao-2); }
.campo input, .campo select, .campo textarea {
  width: 100%; border: 2px solid var(--creme-2); background: var(--branco); border-radius: 10px;
  padding: .7em .85em; outline: none; transition: border-color .15s;
}
.campo textarea { min-height: 90px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { border-color: var(--vermelho); }
.grade { display: grid; gap: 14px; }
@media (min-width: 640px) { .grade.c2 { grid-template-columns: 1fr 1fr; } .grade.c3 { grid-template-columns: repeat(3, 1fr); } }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 150%); z-index: 100;
  background: var(--carvao); color: var(--creme); padding: .8em 1.2em; border-radius: 10px;
  font-weight: 500; transition: transform .25s; max-width: calc(100% - 32px); box-shadow: var(--sombra);
}
.toast.on { transform: translate(-50%, 0); }
.toast.erro { background: var(--vinho); }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 90; display: none; place-items: center; padding: 16px; background: rgba(33, 27, 25, .6); }
.modal.on { display: grid; }
.modal .caixa {
  background: var(--creme); border-radius: 18px; width: min(560px, 100%); max-height: calc(100dvh - 32px); overflow: auto;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .5);
}