/* iSmart — estilos. Mobile-first, sin dependencias. */
:root {
  --fondo: #080a0a;
  --superficie: #0f1717;
  --superficie-2: #15201f;
  --borde: #22302f;
  --petroleo: #3d5a5a;
  --petroleo-claro: #566665;
  --marmol: #e8e6e1;
  --marmol-2: #b2b3b1;
  --dorado: #c6a874;
  --dorado-oscuro: #a88c5a;
  --wa: #25d366;
  --radio: 14px;
  --fuente: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--fuente); background: var(--fondo); color: var(--marmol);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.1; }
.muted { color: var(--marmol-2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--dorado); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--dorado); outline-offset: 3px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 20px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: .15s;
}
.btn-primario { background: var(--dorado); color: #111; }
.btn-primario:hover { background: #d9bd8a; }
.btn-secundario { border-color: var(--petroleo-claro); color: var(--marmol); background: rgba(8,10,10,.4); backdrop-filter: blur(6px); }
.btn-secundario:hover { border-color: var(--marmol-2); }
.btn-wa { background: var(--wa); color: #06230f; width: 100%; }
.btn-wa:hover { background: #3ddf78; }
.link { background: none; border: 0; color: var(--marmol-2); font: inherit; text-decoration: underline; cursor: pointer; padding: 8px; }
.link:hover { color: var(--marmol); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 30; display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center;
  padding: 10px 16px; background: rgba(8,10,10,.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--borde);
}
.brand img { height: 28px; width: auto; }
.buscador { position: relative; display: flex; align-items: center; }
.buscador svg { position: absolute; left: 12px; width: 18px; height: 18px; fill: none; stroke: var(--marmol-2); stroke-width: 2; stroke-linecap: round; pointer-events: none; }
.buscador input {
  width: 100%; min-height: 42px; padding: 8px 12px 8px 38px; border-radius: 999px; border: 1px solid var(--borde);
  background: var(--superficie); color: var(--marmol); font: inherit; font-size: 16px; /* 16px evita zoom en iOS */
}
.buscador input::placeholder { color: #7f8584; }
.buscador input:focus { border-color: var(--petroleo-claro); outline: none; }
.btn-carrito {
  position: relative; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--borde);
  background: var(--superficie); color: var(--marmol); cursor: pointer; display: grid; place-items: center;
}
.btn-carrito svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; }
.badge {
  position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 10px;
  background: var(--dorado); color: #111; font-size: 12px; font-weight: 700; display: grid; place-items: center;
}
.badge:empty, .badge[data-cero] { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 78vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero picture, .hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,10,10,.15) 0%, rgba(8,10,10,.35) 45%, rgba(8,10,10,.95) 85%, var(--fondo) 100%);
}
.hero-texto { position: relative; z-index: 1; padding: 32px 16px 40px; max-width: 640px; }
.kicker { margin: 0 0 10px; color: var(--dorado); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2rem, 7vw, 3.6rem); font-weight: 700; }
.hero p:not(.kicker) { margin: 14px 0 22px; font-size: 1.05rem; color: var(--marmol-2); max-width: 46ch; }
.acciones { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Catálogo ---------- */
.catalogo { padding: 36px 16px 48px; max-width: 1200px; margin: 0 auto; }
.catalogo-cabecera { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 16px; }
.catalogo h2, .local h2 { font-size: 1.7rem; }
.nota { margin: 0; color: var(--marmol-2); font-size: .9rem; }
.filtros { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px; margin: 0 -16px; padding-left: 16px; padding-right: 16px; scrollbar-width: none; }
.filtros::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--borde); background: var(--superficie);
  color: var(--marmol-2); font: inherit; font-size: .92rem; cursor: pointer; white-space: nowrap; transition: .15s;
}
.chip:hover { color: var(--marmol); border-color: var(--petroleo-claro); }
.chip[aria-pressed="true"] { background: var(--marmol); color: #111; border-color: var(--marmol); font-weight: 600; }

.estado { padding: 32px 0; text-align: center; color: var(--marmol-2); }
.estado:empty { display: none; }
.estado .btn { margin-top: 14px; }
.spinner { width: 28px; height: 28px; margin: 0 auto 12px; border-radius: 50%; border: 3px solid var(--borde); border-top-color: var(--dorado); animation: girar .8s linear infinite; }
@keyframes girar { to { transform: rotate(360deg); } }

.grilla { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.tarjeta {
  display: flex; flex-direction: column; background: var(--superficie); border: 1px solid var(--borde);
  border-radius: var(--radio); overflow: hidden; transition: border-color .15s, transform .15s;
}
.tarjeta:hover { border-color: var(--petroleo-claro); }
.foto { position: relative; aspect-ratio: 1; background: var(--superficie-2); }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto .placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 40%, #1c2a29 0%, var(--superficie-2) 70%);
}
.foto .placeholder img { width: 46%; height: auto; opacity: .35; }
.foto[role="button"] { cursor: pointer; }
.cuerpo { display: flex; flex-direction: column; gap: 6px; padding: 12px; flex: 1; }
.categoria { font-size: .72rem; color: var(--petroleo-claro); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.nombre { font-size: .95rem; font-weight: 500; line-height: 1.3; flex: 1; }
.precio { font-size: 1.15rem; font-weight: 700; color: var(--dorado); letter-spacing: -0.01em; }
.agregar {
  margin-top: 4px; min-height: 40px; border-radius: 10px; border: 1px solid var(--petroleo-claro);
  background: transparent; color: var(--marmol); font: inherit; font-weight: 600; cursor: pointer; transition: .15s;
}
.agregar:hover { background: var(--petroleo); border-color: var(--petroleo); }
.agregar.listo { background: var(--dorado); border-color: var(--dorado); color: #111; }
.destacados { padding-bottom: 0; }
.ver-todo { text-align: center; margin: 24px 0 0; }
.controles { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-bottom: 16px; }
.controles label { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--marmol-2); }
.controles select {
  min-height: 40px; padding: 6px 10px; border-radius: 10px; border: 1px solid var(--borde);
  background: var(--superficie); color: var(--marmol); font: inherit; font-size: 16px; max-width: 60vw;
}

/* ---------- Ficha (producto con modelos) ---------- */
.ficha {
  width: min(560px, 100%); max-height: 92dvh; margin: auto auto 0; padding: 0; border: 1px solid var(--borde);
  border-radius: 18px 18px 0 0; background: var(--superficie); color: var(--marmol); overflow: auto;
}
.ficha::backdrop { background: rgba(0,0,0,.65); backdrop-filter: blur(2px); }
.ficha .cerrar { position: absolute; top: 12px; right: 12px; z-index: 1; background: rgba(8,10,10,.7); }
.ficha .foto { aspect-ratio: 16/9; }
.ficha-cuerpo { display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 20px; }
.ficha-cuerpo h2 { font-size: 1.35rem; }
.ficha-cuerpo .precio { margin: 0; font-size: 1.4rem; }
.ficha-ayuda { margin: 6px 0 0; font-size: .9rem; }
.modelos h3 { font-size: .8rem; color: var(--petroleo-claro); text-transform: uppercase; letter-spacing: .08em; margin: 8px 0 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ficha-cuerpo .btn { margin-top: 14px; width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- Local ---------- */
.local { margin-top: 24px; }
.local-banda { height: 160px; background: url(img/local.webp) center/cover; border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); }
.local-contenido { max-width: 1200px; margin: 0 auto; padding: 36px 16px; display: grid; gap: 28px; }
.local address { font-style: normal; margin: 14px 0; font-size: 1.05rem; color: var(--marmol-2); }
.local address strong { color: var(--marmol); font-size: 1.2rem; }
.horarios { margin: 0 0 14px; padding: 12px 14px; border-left: 3px solid var(--dorado); background: var(--superficie); border-radius: 0 10px 10px 0; }
.idiomas { margin: 0 0 20px; }
.mapa { aspect-ratio: 4/3; border-radius: var(--radio); overflow: hidden; border: 1px solid var(--borde); background: var(--superficie); }
.mapa iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4) contrast(1.05); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--borde); padding: 32px 16px 100px; text-align: center; }
.footer img { margin: 0 auto 14px; height: 24px; width: auto; opacity: .8; }
.footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; margin-bottom: 14px; }
.footer nav a { color: var(--marmol-2); text-decoration: none; font-weight: 500; }
.footer nav a:hover { color: var(--dorado); }
.footer p { margin: 0 auto 10px; font-size: .85rem; max-width: 640px; }
.footer p a { color: var(--marmol-2); }
.footer .arrepentimiento { margin: 4px auto 12px; }
.footer .marcas { font-size: .78rem; }
.acepto { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--marmol-2); margin-bottom: 12px; cursor: pointer; }
.acepto input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--dorado); flex: 0 0 auto; }
.acepto a { color: var(--dorado); }

/* ---------- páginas legales ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; }
.legal h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); margin-bottom: 6px; }
.legal h2 { font-size: 1.2rem; margin: 30px 0 10px; color: var(--marmol); }
.legal p, .legal li { color: var(--marmol-2); line-height: 1.6; margin: 0 0 12px; }
.legal ul, .legal ol { padding-left: 22px; }
.legal a { color: var(--dorado); }
.legal .version-linea { color: var(--dorado); font-size: .9rem; margin-bottom: 24px; }
.legal .aviso { border: 1px solid var(--petroleo-claro); border-radius: var(--radio); padding: 14px 16px; background: var(--superficie); }
.legal .btn { width: auto; margin: 6px 8px 6px 0; }
.volver { color: var(--marmol-2); text-decoration: none; font-size: .9rem; }

/* ---------- WhatsApp flotante ---------- */
.wa-flotante {
  position: fixed; right: 16px; bottom: 16px; z-index: 25; width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.35); transition: transform .15s;
}
.wa-flotante:hover { transform: scale(1.06); }
.wa-flotante svg { width: 30px; height: 30px; fill: #06230f; }

/* ---------- Carrito ---------- */
.overlay { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.6); backdrop-filter: blur(2px); }
.carrito {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 50; width: min(420px, 100%); display: flex; flex-direction: column;
  background: var(--superficie); border-left: 1px solid var(--borde); transform: translateX(100%); transition: transform .25s ease;
}
.carrito.abierto { transform: none; }
.carrito-cabecera { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid var(--borde); }
.carrito-cabecera h2 { font-size: 1.3rem; }
.cerrar { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--borde); background: transparent; color: var(--marmol); font-size: 24px; line-height: 1; cursor: pointer; }
.carrito-items { flex: 1; overflow-y: auto; padding: 8px 16px; }
.carrito-vacio { text-align: center; color: var(--marmol-2); padding: 40px 0; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--borde); }
.item .nombre { font-size: .95rem; }
.item .modelo { color: var(--dorado); font-size: .85rem; }
.item .subtotal { color: var(--dorado); font-weight: 700; text-align: right; }
.cantidad { display: inline-flex; align-items: center; border: 1px solid var(--borde); border-radius: 999px; overflow: hidden; }
.cantidad button { width: 34px; height: 32px; border: 0; background: transparent; color: var(--marmol); font-size: 18px; cursor: pointer; }
.cantidad button:hover { background: var(--superficie-2); }
.cantidad input { width: 40px; height: 32px; border: 0; background: transparent; color: var(--marmol); text-align: center; font: inherit; font-size: 16px; -moz-appearance: textfield; }
.cantidad input::-webkit-inner-spin-button, .cantidad input::-webkit-outer-spin-button { -webkit-appearance: none; }
.item .quitar { grid-column: 2; justify-self: end; font-size: .8rem; padding: 2px 4px; }
.carrito-pie { padding: 16px; border-top: 1px solid var(--borde); background: var(--superficie); }
.total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; font-size: 1.05rem; }
.total strong { font-size: 1.5rem; color: var(--dorado); }
.carrito-pie .link { width: 100%; margin-top: 6px; }
.btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }

/* ---------- Tablet / desktop ---------- */
@media (min-width: 600px) { .grilla { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
@media (min-width: 768px) {
  .header { padding: 12px 32px; gap: 24px; }
  .brand img { height: 32px; }
  .buscador { max-width: 480px; justify-self: center; width: 100%; }
  .hero { min-height: 70vh; align-items: center; }
  .hero::after { background: linear-gradient(90deg, rgba(8,10,10,.9) 0%, rgba(8,10,10,.55) 50%, rgba(8,10,10,.2) 100%), linear-gradient(180deg, transparent 70%, var(--fondo) 100%); }
  .hero-texto { padding: 60px 32px; }
  .catalogo, .local-contenido { padding-left: 32px; padding-right: 32px; }
  .filtros { margin: 0; padding-left: 0; padding-right: 0; flex-wrap: wrap; }
  .local-banda { height: 220px; }
  .local-contenido { grid-template-columns: 1fr 1.2fr; align-items: start; gap: 48px; }
  .footer { padding-bottom: 48px; }
  .ficha { margin: auto; border-radius: var(--radio); }
}
@media (min-width: 1024px) { .grilla { grid-template-columns: repeat(4, 1fr); gap: 20px; } .hero-texto { padding-left: max(32px, calc((100vw - 1200px) / 2 + 32px)); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }