/* Python CDMX 2.0 — PoC
   Paleta: verde de comunidad + azul/amarillo de Python sobre base oscura. */

:root {
  --bg: #0d1117;
  --bg-soft: #151b23;
  --bg-card: #171e27;
  --border: #253041;
  --text: #e6edf3;
  --text-dim: #94a3b8;
  --green: #4caf50;
  --green-soft: rgba(76, 175, 80, 0.14);
  --blue: #4b8bbe;
  --yellow: #ffd43b;
  --radius: 12px;
  --wrap: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fb;
    --bg-soft: #ffffff;
    --bg-card: #ffffff;
    --border: #dfe6ee;
    --text: #16202c;
    --text-dim: #5b6b7d;
    --green-soft: rgba(76, 175, 80, 0.12);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding-top: .85rem; padding-bottom: .85rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .6rem; color: var(--text); font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--green); font-family: ui-monospace, "SF Mono", monospace; font-weight: 700; }
.brand-name strong { color: var(--green); }
.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-nav a { color: var(--text-dim); font-size: .93rem; }
.site-nav a:hover { color: var(--green); text-decoration: none; }

/* ---------- Marca ---------- */
.brand-logo { width: 32px; height: 32px; display: block; flex: 0 0 32px; }

/* ---------- Hero ---------- */
.hero { padding: 4rem 0 3rem; border-bottom: 1px solid var(--border); }

/* Hero con mosaico de carteles reales de fondo.
   La idea: se reconoce que son carteles de la comunidad, pero desenfocados
   y oscurecidos lo suficiente para que el texto encima siga siendo legible. */
.hero-mosaico { position: relative; overflow: hidden; padding: 5rem 0 4rem; }

.mosaico {
  position: absolute; inset: -8%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  /* Sin este rotate el mosaico se lee como una galería mal alineada;
     con él se lee como textura de fondo. */
  transform: rotate(-6deg) scale(1.25);
  filter: blur(3px) saturate(.75);
  opacity: .3;
  pointer-events: none;
}
.mosaico img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; display: block; }

/* Degradado que apaga el mosaico justo detrás del texto. Va como capa
   aparte y no como fondo del hero, para que también tape el rotate. */
.hero-mosaico::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 75% at 50% 45%,
      color-mix(in srgb, var(--bg) 94%, transparent) 0%,
      color-mix(in srgb, var(--bg) 78%, transparent) 45%,
      transparent 100%),
    linear-gradient(to bottom,
      color-mix(in srgb, var(--bg) 65%, transparent) 0%,
      transparent 25%,
      transparent 70%,
      var(--bg) 100%);
}

.hero-contenido { position: relative; z-index: 2; text-align: center; }
.hero-logo {
  width: 92px; height: 92px; margin: 0 auto 1.25rem; display: block;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, .55));
}
.hero-mosaico .intro { margin-left: auto; margin-right: auto; }
.hero-mosaico .cta-row,
.hero-mosaico .stats { justify-content: center; }

@media (prefers-reduced-motion: no-preference) {
  .hero-contenido > * { animation: hero-entra .5s ease both; }
  .hero-contenido > *:nth-child(2) { animation-delay: .05s; }
  .hero-contenido > *:nth-child(3) { animation-delay: .1s; }
  .hero-contenido > *:nth-child(4) { animation-delay: .15s; }
  .hero-contenido > *:nth-child(5) { animation-delay: .2s; }
  .hero-contenido > *:nth-child(6) { animation-delay: .25s; }
}
@keyframes hero-entra { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (max-width: 700px) {
  .hero-mosaico { padding: 3rem 0 2.5rem; }
  .hero-logo { width: 68px; height: 68px; }
  .mosaico { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.12; margin: 0 0 .6rem; letter-spacing: -.02em; }
.hero .tagline { color: var(--green); font-size: 1.15rem; font-style: italic; margin: 0 0 1.2rem; }
.hero .intro { color: var(--text-dim); max-width: 60ch; font-size: 1.05rem; }
.cta-row { display: flex; gap: .75rem; margin-top: 1.6rem; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: .65rem 1.3rem; border-radius: 8px;
  font-weight: 600; font-size: .95rem; border: 1px solid var(--green);
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--green); color: #05140a; }
.btn-primary:hover { background: #58c05c; }
.btn-ghost { color: var(--green); background: transparent; }
.btn-ghost:hover { background: var(--green-soft); }

/* ---------- Stats ---------- */
.stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
.stat .num { font-size: 2rem; font-weight: 700; color: var(--yellow); line-height: 1; }
.stat .label { color: var(--text-dim); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Secciones ---------- */
section.band { padding: 3rem 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.section-head h2 { font-size: 1.5rem; margin: 0; letter-spacing: -.01em; }
.section-head .more { font-size: .9rem; }
.eyebrow {
  color: var(--green); font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .4rem;
}

/* ---------- Grids y tarjetas ---------- */
.grid { display: grid; gap: 1.1rem; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--green); }
.card h3 { margin: 0 0 .35rem; font-size: 1.08rem; line-height: 1.3; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--green); text-decoration: none; }
.card .meta { color: var(--text-dim); font-size: .85rem; }
.card p { color: var(--text-dim); font-size: .93rem; }

/* ---------- Tarjeta con cartel ---------- */
.card-cartel { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card-cartel .card-cuerpo { padding: 1.1rem 1.25rem 1.25rem; }
.cartel-marco {
  display: block; aspect-ratio: 16 / 9; overflow: hidden;
  background: var(--bg-soft); border-bottom: 1px solid var(--border);
  position: relative;
}
.cartel-marco img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .35s ease;
}
.card-cartel:hover .cartel-marco img { transform: scale(1.04); }
.cartel-vacio {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: ui-monospace, "SF Mono", monospace; font-size: 1.6rem;
  color: var(--border);
}

/* ---------- Comunidades aliadas ---------- */
.band-aliados { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.logos-aliados {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .75rem; margin-top: 1.5rem;
}
.logo-aliado {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem; min-height: 96px;
  transition: border-color .15s, transform .15s;
}
.logo-aliado:hover { border-color: var(--green); transform: translateY(-2px); }
.logo-aliado img {
  max-width: 100%; max-height: 56px; width: auto; height: auto; display: block;
  /* Los logos vienen de fondos claros y sobre la base oscura se ven sucios.
     Bajarles saturación en reposo los uniforma; al pasar el mouse recuperan
     su color real, que es cuando la marca importa. */
  filter: grayscale(1) opacity(.75);
  transition: filter .2s;
}
.logo-aliado:hover img { filter: none; }

/* ---------- Perfiles ---------- */
.person-card { display: flex; gap: 1.15rem; align-items: flex-start; }
.avatar {
  width: 78px; height: 78px; border-radius: 50%; flex: 0 0 78px;
  object-fit: cover; border: 2px solid var(--border); background: var(--bg-soft);
  transition: border-color .15s, transform .15s;
}
.person-card:hover .avatar { transform: scale(1.04); }
.person-card:hover img.avatar { border-color: var(--green); }
.avatar-fallback {
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.25rem; letter-spacing: .02em;
  color: var(--tono, var(--green));
  background: color-mix(in srgb, var(--tono, var(--green)) 16%, transparent);
  border-color: color-mix(in srgb, var(--tono, var(--green)) 45%, transparent);
}

/* Seis tonos estables derivados del nombre. Hoy 11 de 15 fichas no tienen
   foto; con un solo color la página se lee como un muro de círculos iguales.
   Todos miden ≥4.58:1 contra la tarjeta, sobre el mínimo de 3:1 de AA para
   texto grande. El índice lo calcula el filtro `avatar_tone`. */
.tono-1 { --tono: #4caf50; }  /* verde    6.04:1 */
.tono-2 { --tono: #4b8bbe; }  /* azul     4.58:1 */
.tono-3 { --tono: #ffd43b; }  /* amarillo 11.77:1 */
.tono-4 { --tono: #35b6a8; }  /* turquesa 6.72:1 */
.tono-5 { --tono: #a78bfa; }  /* lavanda  6.17:1 */
.tono-6 { --tono: #ef6b6b; }  /* coral    5.58:1 */
.person-body { min-width: 0; flex: 1; }
.person-body h3 { margin: 0 0 .15rem; font-size: 1.02rem; }
.person-headline { color: var(--text-dim); font-size: .88rem; margin: 0 0 .5rem; }

.tag-row { display: flex; gap: .35rem; flex-wrap: wrap; margin: .45rem 0; }
.tag {
  font-size: .72rem; padding: .18rem .55rem; border-radius: 999px;
  background: var(--green-soft); color: var(--green);
  border: 1px solid color-mix(in srgb, var(--green) 35%, transparent);
  font-weight: 600; letter-spacing: .02em;
}
.tag-role { background: rgba(75, 139, 190, .16); color: var(--blue); border-color: rgba(75,139,190,.4); }
.tag-track { background: rgba(255, 212, 59, .14); color: var(--yellow); border-color: rgba(255,212,59,.38); }
.tag-plain { background: transparent; color: var(--text-dim); border-color: var(--border); }

.person-talks { margin-top: .6rem; font-size: .84rem; color: var(--text-dim); }
.person-talks strong { color: var(--text); font-weight: 600; display: block; margin-bottom: .2rem; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.person-talks li { margin-bottom: .15rem; }
.person-talks ul { margin: 0; padding-left: 1.1rem; }

.links-row { display: flex; gap: .5rem; margin-top: .5rem; flex-wrap: wrap; }
.links-row a { font-size: .78rem; color: var(--text-dim); border: 1px solid var(--border); padding: .1rem .5rem; border-radius: 6px; }
.links-row a:hover { color: var(--green); border-color: var(--green); text-decoration: none; }

/* ---------- Meetups ---------- */
.meetup-row {
  display: flex; gap: 1.25rem; padding: 1.15rem 0; border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.meetup-date {
  flex: 0 0 74px; text-align: center; border: 1px solid var(--border);
  border-radius: 10px; padding: .45rem .3rem; background: var(--bg-soft);
}
.meetup-date .d { font-size: 1.45rem; font-weight: 700; line-height: 1; color: var(--text); }
.meetup-date .m { font-size: .72rem; text-transform: uppercase; color: var(--text-dim); letter-spacing: .08em; }
.meetup-main { flex: 1; min-width: 0; }
.meetup-main h3 { margin: 0 0 .2rem; font-size: 1.12rem; }
.meetup-main h3 a { color: var(--text); }
.meetup-main h3 a:hover { color: var(--green); text-decoration: none; }
.meetup-sub { color: var(--text-dim); font-size: .9rem; margin: 0 0 .4rem; }

.badge {
  display: inline-block; font-size: .7rem; font-weight: 700; padding: .15rem .5rem;
  border-radius: 5px; text-transform: uppercase; letter-spacing: .05em;
}
.badge-upcoming { background: var(--green); color: #05140a; }
.badge-completed { background: var(--border); color: var(--text-dim); }
.badge-cancelled { background: rgba(220,80,80,.2); color: #f08080; }

.year-head {
  font-size: 1.9rem; font-weight: 700; color: var(--text-dim);
  margin: 2.2rem 0 .4rem; letter-spacing: -.02em;
}

/* Detalle de meetup */
.meetup-hero { padding: 2.75rem 0 1.75rem; border-bottom: 1px solid var(--border); }
.meetup-hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: .3rem 0 .4rem; letter-spacing: -.02em; }
.meetup-facts { display: flex; gap: 1.75rem; flex-wrap: wrap; color: var(--text-dim); font-size: .92rem; margin-top: 1rem; }
.meetup-facts .fact strong { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--green); margin-bottom: .1rem; }

.talk {
  border: 1px solid var(--border); border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 1.15rem 1.25rem; margin-bottom: 1rem;
  background: var(--bg-card);
}
.talk h3 { margin: 0 0 .35rem; font-size: 1.1rem; }
.talk .talk-speaker { display: flex; align-items: center; gap: .6rem; margin: .5rem 0; }
.talk .talk-speaker .avatar { width: 38px; height: 38px; flex-basis: 38px; font-size: .9rem; }
.talk .talk-speaker .who { font-size: .9rem; }
.talk .talk-speaker .who .n { font-weight: 600; }
.talk .talk-speaker .who .h { color: var(--text-dim); font-size: .82rem; }

.prose { max-width: 68ch; color: var(--text-dim); }
.prose p { margin: 0 0 1rem; }
.prose h2, .prose h3 { color: var(--text); }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .75rem; }
.gallery img { width: 100%; border-radius: 10px; border: 1px solid var(--border); display: block; }

/* ---------- Carrusel ---------- */
.carousel { position: relative; margin: 1rem 0 .5rem; }

/* Ojo: NO poner `scroll-behavior: smooth` aquí. Combinado con
   `scroll-snap-type: mandatory` cancela los scroll programáticos en Chrome y
   las flechas dejan de responder. La animación la pide el JS en scrollTo(). */
.carousel-track {
  display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: .25rem .25rem 1rem;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.carousel-track::-webkit-scrollbar { height: 6px; }
.carousel-track::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.carousel-track:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; border-radius: var(--radius); }

.carousel-slide {
  flex: 0 0 min(560px, 82%); scroll-snap-align: center; margin: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.carousel-slide img {
  width: 100%; height: 340px; object-fit: cover; display: block; background: var(--bg-soft);
}
.carousel-slide figcaption {
  padding: .7rem .9rem; font-size: .87rem; color: var(--text-dim);
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; flex-wrap: wrap;
}
.carousel-slide figcaption .cap-link { color: var(--green); font-weight: 600; white-space: nowrap; }

.carousel-btn {
  position: absolute; top: calc(50% - 2rem); transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%; z-index: 3;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border: 1px solid var(--border); color: var(--text);
  font-size: 1.6rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px); transition: opacity .15s, border-color .15s;
}
.carousel-btn:hover:not(:disabled) { border-color: var(--green); color: var(--green); }
.carousel-btn:disabled { opacity: .25; cursor: default; }
.carousel-prev { left: -6px; }
.carousel-next { right: -6px; }

.carousel-dots { display: flex; gap: .4rem; justify-content: center; margin-top: .25rem; }
.carousel-dot {
  width: 7px; height: 7px; border-radius: 50%; padding: 0; cursor: pointer;
  border: none; background: var(--border); transition: background .15s, width .15s;
}
.carousel-dot.is-on { background: var(--green); width: 20px; border-radius: 4px; }

/* Filtros de categoría */
.chip-row { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.5rem; }
.chip {
  font-size: .85rem; padding: .35rem .9rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-dim);
}
.chip:hover { border-color: var(--green); color: var(--green); text-decoration: none; }
.chip-on { background: var(--green); color: #05140a; border-color: var(--green); font-weight: 600; }

@media (max-width: 700px) {
  .carousel-slide { flex-basis: 88%; }
  .carousel-slide img { height: 220px; }
  .carousel-prev { left: 2px; }
  .carousel-next { right: 2px; }
}

/* El respeto a prefers-reduced-motion se resuelve en el JS, que pasa
   behavior:"auto" a scrollTo() cuando el usuario lo pide. */

.sponsor-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.sponsor {
  border: 1px solid var(--border); border-radius: 8px; padding: .5rem .9rem;
  background: var(--bg-soft); font-size: .9rem;
}
.sponsor small { color: var(--text-dim); display: block; font-size: .74rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 2rem 0; }
.footer-tag { color: var(--green); font-style: italic; margin: 0 0 .3rem; }
.footer-meta { color: var(--text-dim); font-size: .85rem; margin: 0; }

.empty { color: var(--text-dim); font-style: italic; padding: 1.5rem 0; }

@media (max-width: 640px) {
  .meetup-row { flex-direction: column; gap: .75rem; }
  .stats { gap: 1.5rem; }
}