/* ISI · Colores de la marca, ajustados para que el texto se lea bien (WCAG AA).
   Azul ISI #0D74C1 para botones y enlaces; celeste y verde ISI solo como acento. */
:root {
  --bg: #F4F8FB;
  --surface: #FFFFFF;
  --ink: #0F2A40;
  --muted: #4A6072;
  --line: #C3D3DE;
  --primary: #0D74C1;
  --primary-ink: #0A5A96;
  --on-primary: #FFFFFF;
  --celeste: #3DC7F6;
  --verde: #22B588;
  --verde-ink: #0B6B4C;
  --soft: #E3F3FC;
  --on-soft: #0A4F85;
  --ok-bg: #DDF4EA; --ok-ink: #0A5C41;
  --warn-bg: #FFEFCF; --warn-ink: #6F4300;
  --bad-bg: #F8DCDE; --bad-ink: #8A0005;
  --gris-bg: #E9EEF2; --gris-ink: #3B4F60;
  --display: "Baloo 2", "Trebuchet MS", Verdana, sans-serif;
  --body: "Atkinson Hyperlegible", Verdana, Arial, sans-serif;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0C1824; --surface: #142636; --ink: #EDF4F9; --muted: #AFC3D1; --line: #34506A;
    --primary: #7CC8F5; --primary-ink: #9ED7F8; --on-primary: #06233A;
    --verde-ink: #6FDDB3; --soft: #1C3C55; --on-soft: #CFE9F8;
    --ok-bg: #123F2F; --ok-ink: #A6EBCD; --warn-bg: #4A3208; --warn-ink: #FFD98F; --bad-bg: #4F1B20; --bad-ink: #FFC2C7;
    --gris-bg: #22364A; --gris-ink: #CBD8E2;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0C1824; --surface: #142636; --ink: #EDF4F9; --muted: #AFC3D1; --line: #34506A;
  --primary: #7CC8F5; --primary-ink: #9ED7F8; --on-primary: #06233A;
  --verde-ink: #6FDDB3; --soft: #1C3C55; --on-soft: #CFE9F8;
  --ok-bg: #123F2F; --ok-ink: #A6EBCD; --warn-bg: #4A3208; --warn-ink: #FFD98F; --bad-bg: #4F1B20; --bad-ink: #FFC2C7;
  --gris-bg: #22364A; --gris-ink: #CBD8E2;
}

* { box-sizing: border-box; }
html { font-size: 100%; }
html.grande { font-size: 125%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.55 var(--body); }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; text-wrap: balance; font-weight: 800; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0; }
a { color: var(--primary-ink); }
img { max-width: 100%; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
h1:focus, h2:focus, main:focus, [tabindex="-1"]:focus { outline: none; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -80px; background: var(--primary); color: var(--on-primary); padding: 10px 16px; border-radius: 8px; z-index: 2000; }
.skip:focus { top: 12px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.between { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; }
.muted { color: var(--muted); }
.stack { display: grid; gap: 18px; }

/* Barra de prueba */
.demo { background: var(--warn-bg); color: var(--warn-ink); font-size: .93rem; }
.demo .wrap { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; justify-content: space-between; padding-top: 6px; padding-bottom: 6px; }
.chip { font: 700 .92rem var(--body); min-height: 40px; padding: 2px 12px; border-radius: 999px; border: 2px solid currentColor; background: transparent; color: inherit; cursor: pointer; }

/* Encabezado */
header.site { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 1000; }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 20px; padding-top: 8px; padding-bottom: 8px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo img { width: 54px; height: auto; border-radius: 8px; background: #fff; }
.logo .firma-linea { height: 38px; align-self: center; }
.logo-lema { font: 600 1.05rem/1.05 var(--display); color: var(--primary-ink); }
nav { margin-left: auto; }
nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px; margin: 0; padding: 0; }
nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 6px 11px; border-radius: 10px; text-decoration: none; font-weight: 700; color: var(--ink); }
nav a:hover { background: var(--soft); color: var(--on-soft); }
nav a[aria-current="page"] { background: var(--primary); color: var(--on-primary); }
nav a.cuenta { border: 2px solid var(--primary); color: var(--primary-ink); }
nav a.cuenta[aria-current="page"] { color: var(--on-primary); }

main { padding: 28px 0 56px; min-height: 60vh; }
.page-head { display: grid; gap: 8px; margin-bottom: 22px; }
.page-head p { color: var(--muted); max-width: 70ch; }
.kicker { font-weight: 700; color: var(--verde-ink); text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; }

/* Botones y formularios */
button, .btn { font: 700 1rem var(--body); min-height: 44px; padding: 8px 16px; border-radius: 10px; border: 2px solid var(--primary); background: var(--surface); color: var(--primary-ink); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-align: center; }
button:hover, .btn:hover { background: var(--soft); color: var(--on-soft); }
.primary { background: var(--primary); color: var(--on-primary); }
.primary:hover { background: var(--primary-ink); color: var(--on-primary); }
.wa { background: var(--verde-ink); border-color: var(--verde-ink); color: #fff; }
.wa:hover { background: #08583e; color: #fff; }
:root[data-theme="dark"] .wa { color: #06281C; }
.danger { border-color: var(--bad-ink); color: var(--bad-ink); }
.danger:hover { background: var(--bad-bg); color: var(--bad-ink); }
button[disabled] { border-color: var(--line); color: var(--muted); background: transparent; cursor: not-allowed; }
.small { min-height: 40px; padding: 4px 12px; font-size: .95rem; }
label, legend { font-weight: 700; }
input, select, textarea { font: 400 1rem var(--body); color: var(--ink); background: var(--surface); border: 1.5px solid var(--muted); border-radius: 10px; padding: 9px 11px; min-height: 44px; width: 100%; }
textarea { min-height: 96px; }
input[type="checkbox"], input[type="radio"] { width: 22px; height: 22px; min-height: 0; accent-color: var(--primary); flex: none; margin: 0; }
.field { display: grid; gap: 4px; align-content: start; }
.hint { color: var(--muted); font-size: .94rem; font-weight: 400; }
.err { color: var(--bad-ink); font-weight: 700; font-size: .95rem; }
.err:empty { display: none; }
[aria-invalid="true"] { border-color: var(--bad-ink); border-width: 2px; }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 4px; }
.check { display: flex; gap: 10px; align-items: center; min-height: 44px; font-weight: 400; cursor: pointer; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.form { display: grid; gap: 16px; max-width: 760px; scroll-margin-top: 150px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 14px; }

/* Inicio */
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; align-items: center; margin-bottom: 30px; }
.hero h1 { font-size: 2.6rem; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); margin-top: 10px; max-width: 46ch; }
.hero-logo { background: #fff; border-radius: var(--radius); height: 340px; display: grid; place-items: center; border: 1px solid var(--line); }
.hero-logo img { width: min(70%, 320px); height: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 8px; text-decoration: none; color: var(--ink); border-top: 6px solid var(--primary); }
.tile:nth-child(2) { border-top-color: var(--celeste); }
.tile:nth-child(3) { border-top-color: var(--verde); }
.tile:nth-child(4) { border-top-color: var(--primary-ink); }
.tile:nth-child(5) { border-top-color: var(--verde); }
.tile:hover { background: var(--soft); }
.tile h2 { font-size: 1.3rem; color: var(--primary-ink); }
.tile p { color: var(--muted); }
.circulo { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; counter-reset: c; }
.circulo li { background: var(--soft); color: var(--on-soft); border-radius: var(--radius); padding: 14px 16px; counter-increment: c; }
.circulo li::before { content: counter(c); display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: var(--on-primary); font-weight: 700; margin-right: 8px; }

/* ¿Qué es ISI? */
.lead-que { font-size: 1.2rem; color: var(--ink) !important; max-width: 62ch; }
.pilares { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.pilares li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; display: grid; gap: 6px; border-top: 6px solid var(--verde); }
.pilares li:nth-child(2) { border-top-color: var(--celeste); }
.pilares li:nth-child(3) { border-top-color: var(--primary); }
.pilares strong { font: 800 1.3rem var(--display); color: var(--primary-ink); }
.pilares span { color: var(--muted); }
.frase { margin: 30px 0 0; padding: 18px 22px; border-left: 6px solid var(--celeste); background: var(--soft); color: var(--on-soft); border-radius: 0 var(--radius) var(--radius) 0; }
.frase p { font: 600 1.4rem/1.3 var(--display); }
.frase footer { margin-top: 6px; }

/* Catálogo: Productos / Servicios */
.segmento { display: inline-flex; gap: 0; margin: 0 0 18px; border: 2px solid var(--primary); border-radius: 12px; overflow: hidden; }
.segmento button { border: 0; border-radius: 0; min-width: 130px; font-size: 1.05rem; }
.segmento button[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }
.quien-vende h2 { font-size: 1.2rem; }
.quien-vende ul { margin: 0; padding-left: 20px; }
[hidden] { display: none !important; }

/* Catálogo */
.shop { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 26px; align-items: start; }
.filters { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 14px; }
.filtros-box > summary { cursor: pointer; display: flex; align-items: center; min-height: 44px; padding: 6px 16px; border: 2px solid var(--primary); border-radius: 10px; font-weight: 700; color: var(--primary-ink); background: var(--surface); margin-bottom: 10px; }
.count { font-weight: 700; margin-bottom: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; height: 100%; }
.card .foto { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; display: block; background: var(--soft); }
.foto-vacia { aspect-ratio: 4 / 3; display: grid; place-items: center; background: var(--soft); color: var(--on-soft); }
.foto-vacia img { width: 84px; opacity: .9; border-radius: 16px; }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.seller { color: var(--muted); font-size: .96rem; }
.price { font: 800 1.35rem var(--display); font-variant-numeric: tabular-nums; }
.precio-oferta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin: 0; }
.badge-off { align-self: center; background: #B3261E; color: #fff; font: 800 .95rem/1 var(--display); padding: 5px 8px 4px; border-radius: 8px; }
.antes { color: var(--muted); font-size: 1rem; }
.price-grande .price, p.price-grande { font-size: 1.8rem; }
.card .foto-wrap { position: relative; }
.badges { display: flex; flex-wrap: wrap; gap: 5px; list-style: none; padding: 0; margin: 0; }
.badge, .pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .88rem; font-weight: 700; background: var(--soft); color: var(--on-soft); }
.pill.ok { background: var(--ok-bg); color: var(--ok-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }
.pill.bad { background: var(--bad-bg); color: var(--bad-ink); }
.pill.gris { background: var(--gris-bg); color: var(--gris-ink); }
.card-actions { margin-top: auto; display: grid; gap: 8px; padding-top: 8px; }
.empty { background: var(--surface); border: 1px dashed var(--muted); border-radius: var(--radius); padding: 24px; display: grid; gap: 12px; justify-items: start; }

/* Ficha de producto */
.ficha { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; align-items: start; }
.ficha .foto-grande { width: 100%; border-radius: var(--radius); object-fit: cover; aspect-ratio: 4 / 3; background: var(--soft); }
dl.datos { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
dl.datos dt { font-weight: 700; }
dl.datos dd { margin: 0; }
.sello { border: 2px solid var(--verde); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 6px; }
.sello ul { margin: 0; padding-left: 20px; }

/* Feria */
.feria-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.fecha { background: var(--primary); color: var(--on-primary); border-radius: var(--radius); padding: 20px; display: grid; gap: 6px; }
.fecha strong { font: 800 2rem/1.1 var(--display); }
.fotos { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.fotos img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius); }
ul.lista { margin: 0; padding-left: 20px; display: grid; gap: 4px; }

/* Sponsors */
.paquetes { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.paquete { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 10px; align-content: start; }
.paquete.top { border: 3px solid var(--primary); }

/* Cerca tuyo */
.cerca { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 20px; align-items: start; }
.mapa { height: 520px; border-radius: var(--radius); border: 1px solid var(--line); z-index: 0; }
.mapa-chico { height: 300px; }
.lugares { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; max-height: 520px; overflow: auto; }
.lugar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 6px; }
.lugar.isi { border-left: 6px solid var(--verde); }
.lugar h3 { font-size: 1.15rem; }
.leaflet-popup-content { font: 400 .98rem/1.45 var(--body); }
.leaflet-container a.btn { color: var(--primary-ink); }

/* Paneles */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tabs button[aria-selected="true"] { background: var(--primary); color: var(--on-primary); }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .98rem; }
caption { text-align: left; color: var(--muted); padding-bottom: 6px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 700; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mini { width: 56px; height: 42px; object-fit: cover; border-radius: 6px; background: var(--soft); }
.notice { padding: 14px 16px; border-radius: 12px; display: grid; gap: 8px; justify-items: start; }
.notice.ok { background: var(--ok-bg); color: var(--ok-ink); }
.notice.warn { background: var(--warn-bg); color: var(--warn-ink); }
.notice.bad { background: var(--bad-bg); color: var(--bad-ink); }
.notice.info { background: var(--soft); color: var(--on-soft); }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat strong { display: block; font: 800 1.8rem var(--display); }
.stat span { color: var(--muted); }

/* Ingresar */
.clave { display: flex; gap: 6px; }
.clave input { flex: 1; min-width: 0; }
.clave button { flex: none; min-width: 86px; }
.ingreso { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; max-width: 820px; margin: 0 auto; }
.opcion { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 26px 24px; display: grid; gap: 14px; align-content: start; box-shadow: 0 6px 20px rgba(13, 116, 193, .08); }
.opcion svg { width: 64px; height: 64px; }
.opcion h2 { font-size: 1.6rem; }
.comprar-box { max-width: 820px; margin: 18px auto 0; background: var(--soft); color: var(--on-soft); border-radius: 20px; padding: 20px 24px; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
.comprar-box p { color: var(--on-soft); }

/* Carrito y cómo comprar */
.cart { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.lineas { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.linea { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; grid-template-columns: minmax(0, 1fr) auto auto auto; gap: 10px 16px; align-items: center; }
.h3 { font-size: 1.15rem; font-weight: 600; }
.qty { display: flex; align-items: center; gap: 6px; }
.qty button { min-width: 44px; padding: 0; font-size: 1.2rem; }
.qty output { min-width: 2ch; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.resumen { position: sticky; top: 110px; }
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; counter-reset: paso; }
.pasos li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 8px; align-content: start; counter-increment: paso; }
.pasos li::before { content: counter(paso); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: var(--on-primary); font: 800 1.3rem var(--display); }
.pasos li:nth-child(3)::before { background: var(--verde-ink); color: #fff; }
.pasos h2 { font-size: 1.2rem; }
.agregado:empty { display: none; }

dialog { border: 0; border-radius: var(--radius); background: var(--surface); color: var(--ink); padding: 0; width: min(620px, calc(100vw - 24px)); max-height: calc(100vh - 32px); }
dialog::backdrop { background: rgba(5, 20, 34, .6); }
.dlg { padding: 22px; display: grid; gap: 14px; }

footer.site { background: var(--surface); border-top: 1px solid var(--line); }
.foot { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; padding-top: 22px; padding-bottom: 28px; color: var(--muted); }
.firma { display: flex; align-items: center; gap: 14px; background: #E8F7F1; border-radius: 16px; padding: 12px 18px; }
.firma img { width: 90px; height: auto; mix-blend-mode: multiply; }
.firma-linea { width: 2px; align-self: stretch; background: #0D74C1; border-radius: 2px; }
.firma-texto { font: 600 1.25rem/1.1 var(--display); color: #0A5A96; }

@media (max-width: 900px) {
  .shop, .ficha, .feria-top, .hero, .cerca, .cart { grid-template-columns: minmax(0, 1fr); }
  .resumen { position: static; }
  header.site { position: static; }
  .form { scroll-margin-top: 10px; }
  .linea { grid-template-columns: minmax(0, 1fr) auto; }
  nav { margin-left: 0; }
  .filters { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .mapa { height: 380px; }
  .lugares { max-height: none; }
  .hero-logo { height: 220px; }
}
@media (max-width: 480px) {
  h1, .hero h1 { font-size: 1.8rem; }
  nav a { padding: 6px 8px; font-size: .97rem; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }