/* La Hamburguesería · Agenda en vivo (lahamburgueseria.com/eventos/)
   Concepto: escenario oscuro con luz roja de tarima; los flyers son los protagonistas. */
:root {
  --fondo: #0e0b0b;        /* negro cálido de tarima */
  --tarjeta: #1a1414;
  --borde: #2e2424;
  --rojo: #c41e1e;         /* rojo del logo */
  --rojo-hover: #e0312f;
  --ambar: #ffb547;        /* luz de escenario: fechas */
  --texto: #f4efe9;
  --suave: #b5aaa3;
  --verde-wa: #25d366;
  --f-display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --f-label: "Barlow Condensed", "Arial Narrow", sans-serif;
  --f-body: "Barlow", system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font-family: var(--f-body); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: min(1200px, 100%); margin-inline: auto; padding-inline: max(16px, 4vw); }
@media (min-width: 1300px) { .wrap { padding-inline: 32px; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Barra superior ---------- */
.top { position: sticky; top: 0; z-index: 20; background: rgba(14, 11, 11, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--borde); }
.top__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.top__logo img { height: 42px; width: auto; }
.top__nav { display: flex; align-items: center; gap: 22px; }
.top__nav a { font-family: var(--f-label); font-weight: 600; font-size: 17px; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: var(--suave); }
.top__nav a:hover { color: var(--texto); }
.top__nav .top__wa { color: #fff; background: var(--rojo); padding: 7px 16px; border-radius: 999px; }
.top__nav .top__wa:hover { background: var(--rojo-hover); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: clamp(48px, 8vw, 96px) 0 clamp(28px, 4vw, 44px); overflow: hidden;
  background:
    radial-gradient(60% 90% at 50% -20%, rgba(196, 30, 30, .45), transparent 70%),
    radial-gradient(30% 60% at 12% -10%, rgba(255, 181, 71, .18), transparent 70%),
    radial-gradient(30% 60% at 88% -10%, rgba(255, 181, 71, .14), transparent 70%);
}
.hero__kicker { margin: 0 0 6px; font-family: var(--f-label); font-weight: 700; letter-spacing: .28em; text-transform: uppercase; color: var(--ambar); font-size: 15px; }
.hero__title { margin: 0; font-family: var(--f-display); font-weight: 400; font-size: clamp(64px, 12vw, 148px); line-height: .88; letter-spacing: .01em; text-wrap: balance; }
.hero__title span { color: var(--rojo); }
.hero__lead { margin: 18px 0 0; max-width: 60ch; color: var(--suave); font-size: clamp(17px, 2vw, 19px); }

/* ---------- Filtros por sede ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 30px; }
.filtros button {
  font: 600 16px/1 var(--f-label); letter-spacing: .06em; text-transform: uppercase;
  color: var(--suave); background: transparent; border: 1px solid var(--borde);
  padding: 10px 16px; border-radius: 999px; cursor: pointer;
}
.filtros button:hover { color: var(--texto); border-color: var(--suave); }
.filtros button[aria-pressed="true"] { background: var(--texto); color: var(--fondo); border-color: var(--texto); }
.filtros button:focus-visible, .btn:focus-visible, .flyer:focus-visible { outline: 3px solid var(--ambar); outline-offset: 3px; }

/* ---------- Agenda ---------- */
.agenda { padding-bottom: clamp(56px, 8vw, 96px); }
.mes { margin-top: 36px; }
.mes:first-child { margin-top: 0; }
.mes__titulo {
  display: flex; align-items: center; gap: 16px; margin: 0 0 20px;
  font-family: var(--f-display); font-weight: 400; font-size: clamp(34px, 5vw, 48px); line-height: 1; color: var(--texto);
}
.mes__titulo::after { content: ""; flex: 1; height: 1px; background: var(--borde); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 28px 22px; align-items: start; }

.evento { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.flyer { position: relative; display: block; border-radius: 8px; overflow: hidden; background: var(--tarjeta); box-shadow: 0 12px 30px rgba(0, 0, 0, .5); transition: transform .2s ease, box-shadow .2s ease; }
.flyer:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0, 0, 0, .6), 0 0 0 1px rgba(196, 30, 30, .6); }
.flyer img { width: 100%; height: auto; }
.flyer--vacio { aspect-ratio: 4 / 5; display: grid; place-items: center; padding: 22px; text-align: center; background: linear-gradient(160deg, #3a1212, var(--tarjeta)); font: 400 30px/1 var(--f-display); }
.badge {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  font: 700 14px/1 var(--f-label); letter-spacing: .1em; text-transform: uppercase;
  background: var(--ambar); color: #1a1200; padding: 7px 10px; border-radius: 4px;
}
.badge--hoy { background: var(--rojo); color: #fff; }

.evento__info { display: flex; flex-direction: column; gap: 2px; }
.evento__fecha { font: 700 19px/1.2 var(--f-label); letter-spacing: .04em; text-transform: uppercase; color: var(--ambar); }
.evento__nombre { margin: 0; font-weight: 600; font-size: 17px; line-height: 1.3; color: var(--texto); }
.evento__sede { font-size: 15px; color: var(--suave); }

.btn {
  margin-top: 10px; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 16px/1 var(--f-label); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: #fff; background: var(--rojo); padding: 12px 20px; border-radius: 999px;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: var(--rojo-hover); transform: translateY(-1px); }
.btn--wa { background: transparent; border: 2px solid var(--verde-wa); color: var(--verde-wa); padding: 10px 18px; }
.btn--wa:hover { background: var(--verde-wa); color: #062b14; }

.estado { padding: 40px 0; color: var(--suave); font-size: 18px; }
.estado .btn { margin-top: 16px; }

/* ---------- Pie ---------- */
.pie { border-top: 1px solid var(--borde); padding-block: 36px; background: #090707; }
.pie__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 40px; }
.pie__logo { width: 170px; height: auto; }
.pie__datos p { margin: 4px 0; color: var(--suave); }
.pie__datos a { color: var(--texto); }

/* ---------- Celular ---------- */
@media (max-width: 600px) {
  .top__nav a:not(.top__wa) { display: none; }
  .top__logo img { height: 36px; }
  .grid { grid-template-columns: 1fr; gap: 36px; }
  .btn { align-self: stretch; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .flyer, .btn { transition: none; }
}