/* ============================================================
   POTENZA — BRAND DESIGN TOKENS
   Industrial / minimalista / moderno
   Extraído del manual de marca (potenza_01, _02, _03)
============================================================ */

:root {
  /* Paleta */
  --ptz-bone:    #F5F3EF;   /* Fondo claro principal */
  --ptz-ink:     #1a1a1a;   /* Tinta — texto y fondos oscuros */
  --ptz-black:   #0d0d0d;   /* Negro profundo (hero oscuro) */
  --ptz-steel:   #9ea8a8;   /* Acento gris acero — secundario */
  --ptz-line:    #dedad4;   /* Divisores en fondo claro */
  --ptz-line-d:  #1e1e1e;   /* Divisores en fondo oscuro */
  --ptz-mute:    #6b6b6b;   /* Texto secundario */
  --ptz-mute-d:  #555;      /* Texto secundario sobre dark */
  --ptz-accent:  #c8412b;   /* Rojo industrial — CTA / alerta stock */
  --ptz-success: #4a6b3a;   /* Verde apagado — stock OK */

  /* Tipografía */
  --ptz-font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --ptz-font-body:    'Barlow', 'Inter', system-ui, sans-serif;
  --ptz-font-tech:    'DM Sans', 'Barlow', sans-serif;

  /* Espaciado base del manual */
  --ptz-pad-x: 44px;
  --ptz-pad-y: 40px;
}

/* Reset suave */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ptz-bone);
  color: var(--ptz-ink);
  font-family: var(--ptz-font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ===== Tipografía utilitaria ===== */
.ptz-display {
  font-family: var(--ptz-font-display);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 0.92;
  text-transform: uppercase;
}
.ptz-logo {
  font-family: var(--ptz-font-display);
  letter-spacing: 0.18em;
  line-height: 1;
}
.ptz-logo > span { color: inherit; }

/* Etiqueta uppercase con línea — patrón del manual */
.ptz-lbl {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ptz-steel);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.ptz-lbl::after {
  content: '';
  flex: 1;
  height: 0.5px;
  background: var(--ptz-line);
}
.ptz-sec-dark .ptz-lbl::after { background: var(--ptz-line-d); }

/* Cuadrícula */
.ptz-grid-lines {
  background-image:
    linear-gradient(to right, rgba(158,168,168,0.08) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}

/* Botones */
.ptz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--ptz-font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all .25s ease;
  border: 0.5px solid transparent;
  cursor: pointer;
}
.ptz-btn-primary { background: var(--ptz-ink); color: var(--ptz-bone); }
.ptz-btn-primary:hover { background: var(--ptz-accent); }
.ptz-btn-ghost {
  background: transparent;
  color: var(--ptz-ink);
  border-color: var(--ptz-ink);
}
.ptz-btn-ghost:hover { background: var(--ptz-ink); color: var(--ptz-bone); }
.ptz-btn-ghost-light {
  background: transparent;
  color: var(--ptz-bone);
  border-color: var(--ptz-bone);
}
.ptz-btn-ghost-light:hover { background: var(--ptz-bone); color: var(--ptz-ink); }

/* Tarjeta de producto */
.ptz-card {
  background: var(--ptz-bone);
  border: 0.5px solid var(--ptz-line);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}
.ptz-card:hover {
  border-color: var(--ptz-ink);
  transform: translateY(-2px);
}
.ptz-card-img {
  aspect-ratio: 1 / 1;
  background: #ECEAE4;
  overflow: hidden;
  position: relative;
}
.ptz-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.ptz-card:hover .ptz-card-img img { transform: scale(1.04); }

.ptz-badge {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 10px;
  background: var(--ptz-ink);
  color: var(--ptz-bone);
  font-weight: 500;
}
.ptz-badge-sale { background: var(--ptz-accent); }

/* Inputs */
.ptz-input, .ptz-select, .ptz-textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 0.5px solid var(--ptz-ink);
  padding: 12px 0;
  font-family: var(--ptz-font-body);
  font-size: 14px;
  color: var(--ptz-ink);
  outline: none;
  transition: border-color .2s;
}
.ptz-input:focus, .ptz-select:focus, .ptz-textarea:focus { border-color: var(--ptz-accent); }
.ptz-input::placeholder { color: var(--ptz-steel); }

/* Divisor fino */
.ptz-divider { height: 0.5px; background: var(--ptz-line); width: 100%; }

/* Scroll bar minimal */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ptz-steel); border-radius: 0; }

/* Tickers / marquees */
@keyframes ptz-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.ptz-marquee {
  display: flex;
  gap: 60px;
  animation: ptz-marquee 40s linear infinite;
  white-space: nowrap;
}

/* Cart drawer */
.ptz-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: 100%;
  max-width: 460px;
  background: var(--ptz-bone);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 100;
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px rgba(0,0,0,0.08);
}
.ptz-drawer.open { transform: translateX(0); }
.ptz-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,13,13,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
  z-index: 99;
}
.ptz-overlay.open { opacity: 1; pointer-events: auto; }

/* Animaciones */
@keyframes ptz-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ptz-fade-up { animation: ptz-fade-up .8s ease both; }

/* Responsive: padding reducido en móvil */
@media (max-width: 768px) {
  :root {
    --ptz-pad-x: 22px;
    --ptz-pad-y: 28px;
  }
}

/* Quantity selector */
.ptz-qty {
  display: inline-flex;
  align-items: center;
  border: 0.5px solid var(--ptz-ink);
}
.ptz-qty button {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-size: 14px;
  transition: background .2s;
}
.ptz-qty button:hover { background: var(--ptz-ink); color: var(--ptz-bone); }
.ptz-qty span {
  min-width: 38px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

/* Stock pill */
.ptz-stock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ptz-mute);
}
.ptz-stock::before {
  content:'';
  width: 6px; height: 6px;
  background: var(--ptz-success);
  border-radius: 50%;
}
.ptz-stock.low::before { background: var(--ptz-accent); }
.ptz-stock.out::before { background: var(--ptz-steel); }