/* ============================================================
   Nerd Universe — Página de Cupons
   Réplica fiel do desktop + mobile reconstruído
   ============================================================ */

:root {
  --purple: #30103b;        /* header, footer, pílula do cupom */
  --purple-deep: #24092d;
  --yellow: #ffcc00;        /* botão "Ir para o Site" e bordas */
  --yellow-dark: #e6b800;
  --ink: #1a1a1a;           /* texto de títulos */
  --gray: #5a5a5a;          /* texto de descrição */
  --box: #eeeeee;           /* caixa "Para aplicar o desconto" */
  --card-bg: #ffffff;
  --page-bg: #ffffff;
  --radius: 16px;
  --shadow: 0 6px 22px rgba(48, 16, 59, 0.08);
  --max: 1240px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--page-bg);
  line-height: 1.5;
}

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

a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ======================= HEADER ======================= */
.site-header__bar {
  background: var(--purple);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 14px 20px;
}

.site-header__logo img {
  height: 64px;
  width: auto;
}

.site-nav {
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.site-nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 16px 20px;
  max-width: var(--max);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 40px;
}

.site-nav a {
  text-decoration: none;
  color: #3a3a3a;
  font-weight: 500;
  font-size: 1rem;
  padding: 4px 2px;
  transition: color 0.15s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible { color: var(--purple); }

/* ======================= BANNER ======================= */
.banner {
  display: block;
  margin: 22px 0 34px;
  border-radius: var(--radius);
  overflow: hidden;
  line-height: 0;
  box-shadow: var(--shadow);
}

.banner img { width: 100%; height: auto; }

/* ======================= GRID DE CUPONS ======================= */
.coupons {
  display: grid;
  gap: 26px;
  margin-bottom: 36px;
}

.coupons--3 { grid-template-columns: repeat(3, 1fr); }
.coupons--4 { grid-template-columns: repeat(4, 1fr); }

/* ======================= CARD ======================= */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__media {
  background: #730b94; /* fallback caso a imagem demore a carregar */
  line-height: 0;
}

.card__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card__body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__title {
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--ink);
}

.card__price {
  display: block;
  font-weight: 800;
}

.card__desc {
  font-size: 0.86rem;
  color: var(--gray);
  margin: 0 0 16px;
}

/* ======================= CAIXA DO CUPOM ======================= */
.coupon {
  margin-top: auto;
  border: 2px dashed var(--yellow);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.coupon__code {
  text-align: center;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 4px 0 0;
}

.coupon__code--link { font-size: 1.3rem; }

/* pílula roxa "Selecione e copie o cupom" */
.coupon__copy {
  font-family: inherit;
  background: var(--purple);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  width: 100%;
}

.coupon__copy:hover { background: var(--purple-deep); }
.coupon__copy:active { transform: scale(0.98); }
.coupon__copy--static { cursor: default; }
.coupon__copy--static:hover { background: var(--purple); }

.coupon__copy.is-copied {
  background: #1f8a4c;
}

.coupon__copy-arrow { font-size: 0.7em; opacity: 0.9; }

/* caixa cinza de instruções */
.coupon__how {
  background: var(--box);
  border-radius: 10px;
  padding: 12px 13px;
  font-size: 0.8rem;
  color: #444;
}

.coupon__how strong { display: block; margin-bottom: 4px; color: var(--ink); }
.coupon__how p { margin: 0; }

/* botão amarelo */
.btn-site {
  background: var(--yellow);
  color: #000;
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-site:hover { background: var(--yellow-dark); }
.btn-site:active { transform: scale(0.98); }

/* ======================= FOOTER ======================= */
.site-footer {
  background: var(--purple);
  color: #d9cfe0;
  text-align: center;
  padding: 34px 20px 40px;
  margin-top: 20px;
}

.site-footer__logo { margin: 0 auto 14px; height: 56px; width: auto; }
.site-footer__address,
.site-footer__copy { margin: 4px 0; font-size: 0.8rem; }

/* ======================= TOAST ======================= */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(20px);
  background: var(--purple);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ======================= FOCO ACESSÍVEL ======================= */
:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ============================================================
   RESPONSIVO — mobile reconstruído
   ============================================================ */

/* Tablet: tudo em 2 colunas */
@media (max-width: 1000px) {
  .coupons--3,
  .coupons--4 { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile: uma coluna, empilhado */
@media (max-width: 640px) {
  .container { padding-inline: 16px; }

  .site-header__logo img { height: 52px; }

  .site-nav ul { gap: 6px 22px; padding: 12px 16px; }
  .site-nav a { font-size: 0.95rem; }

  .banner {
    margin: 16px 0 26px;
    max-width: 460px;
    margin-inline: auto;
  }

  .coupons--3,
  .coupons--4 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* cards mais generosos num toque só */
  .card { max-width: 460px; margin-inline: auto; width: 100%; }

  .card__title { font-size: 1.12rem; }
  .card__desc { font-size: 0.9rem; }
  .coupon__code { font-size: 1.5rem; }
  .coupon__copy { font-size: 0.88rem; padding: 12px 14px; }
  .coupon__how { font-size: 0.85rem; }
  .btn-site { font-size: 1rem; padding: 14px 16px; }
}

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