/* ==========================================================
   Altruismo Eficaz Yucatán — estilo
   Inspirado en effectivealtruism.org (colores cálidos "arena",
   verde azulado, títulos serif), con identidad propia.
   Para cambiar colores, edita las variables de abajo.
   ========================================================== */
/* Tipografías incluidas en el sitio (no dependen de Google ni de otro proveedor).
   EB Garamond (títulos) e Inter (texto), ambas con licencia libre SIL OFL. */
@font-face{font-family:"EB Garamond";font-style:normal;font-weight:400 800;font-display:swap;src:url(fuentes/eb-garamond-latin.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(fuentes/inter-latin.woff2) format("woff2")}

:root{
  --sand-1:#fbf9f4; --sand-2:#f4f0e6; --sand-3:#ebe6d9; --sand-6:#d6cfbd;
  --sand-11:#5d594d; --sand-12:#1d1b16;
  --teal-4:#c9f0ea; --teal-9:#12a594; --teal-10:#0e9888; --teal-11:#0a7a6d;
  --blue:#2441d1; --blue-soft:#dfe5fb;
  --green:#1f7a4d; --orange:#f07a1a; --amber:#f2b01e; --terracotta:#c4532d;
  --charcoal:#262522; --black:#0e0e0c;
  --serif:"EB Garamond","Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --radius:14px; --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--sand-1);color:var(--sand-12);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
section[id],div[id]{scroll-margin-top:72px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.section{padding:4.5rem 0}
.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.05}
h1,h2,h3,h4{margin:0}
.h2{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.05;font-size:clamp(2.25rem,5vw,3.75rem);text-align:center;margin-bottom:1rem}
.lead{max-width:44rem;margin:0 auto 2.5rem;text-align:center;color:var(--sand-11);font-size:1.0625rem}
.dark .lead{color:#cfcabd}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--teal-9);color:#04211d;font-weight:600;font-size:.9375rem;text-decoration:none;padding:.6rem 1.15rem;border-radius:999px;border:0;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--teal-10);transform:translateY(-1px)}
.btn:focus-visible,.nav a:focus-visible,.card a:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.btn-dark{background:var(--sand-12);color:#fff}.btn-dark:hover{background:#000}
.btn-light{background:#fff;color:var(--sand-12)}.btn-light:hover{background:var(--sand-3)}
.btn-blue-soft{background:var(--blue-soft);color:var(--blue);width:100%;justify-content:center;border-radius:10px}
.btn-blue-soft:hover{background:#cdd6f8}

/* Encabezado */
.site-header{position:sticky;top:0;z-index:50;background:var(--charcoal);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a{color:#e8e4d8;text-decoration:none;font-size:.9375rem;font-weight:500;padding:.25rem 0;border-bottom:2px solid transparent;transition:border-color .2s,color .2s}
.nav a:hover{color:#fff;border-color:var(--teal-9)}
.nav a.btn{color:#04211d;border:0;padding:.45rem 1rem}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:.4rem .7rem;font:inherit;cursor:pointer}
@media(max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--charcoal);flex-direction:column;align-items:flex-start;padding:1rem 1.25rem 1.5rem;gap:.9rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
}

/* Hero */
.hero{padding:4rem 0 3.5rem}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.hero h1{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:.98;font-size:clamp(3rem,8.5vw,6.5rem)}
.hero p{max-width:34rem;margin:1.5rem 0 1.75rem;font-size:1.125rem;color:var(--sand-11)}
.hero-art{position:relative;width:100%;max-width:440px;aspect-ratio:1;justify-self:center;display:grid;place-items:center}
.hero-art::before{content:"";position:absolute;inset:4%;border-radius:50%;background:radial-gradient(circle at 32% 28%,#fff 0%,var(--teal-4) 62%,#a9e3da 100%);box-shadow:inset 0 0 0 2px rgba(10,122,109,.22)}
/*.hero-art::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px dashed rgba(10,122,109,.35)}*/
.hero-art img{position:relative;z-index:1;width:68%;height:auto;filter:drop-shadow(0 12px 18px rgba(8,92,120,.28))}
.hero-art .dot{position:absolute;border-radius:50%;z-index:2} 
/*.hero-art .d1{width:9%;height:9%;background:var(--amber);top:5%;right:9%}
.hero-art .d2{width:6%;height:6%;background:var(--blue);bottom:12%;left:6%}
.hero-art .d3{width:5%;height:5%;background:var(--orange);bottom:6%;right:16%}
.hero-art .d4{width:4%;height:4%;background:var(--green);top:14%;left:7%}*/
@media(max-width:800px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:280px;order:-1}.hero{padding-top:2rem}}

/* Misión y visión (sección oscura) */
.dark{background:var(--charcoal);color:#f2efe6}
.dark .h2{color:var(--teal-9)}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:1rem}
.mv article{background:#302f2b;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:2rem}
.mv h3{font-family:var(--serif);font-weight:500;font-size:2.25rem;color:#fff;margin-bottom:.75rem}
.mv h3::before{content:"";display:block;width:44px;height:4px;border-radius:2px;background:var(--teal-9);margin-bottom:1rem}
.mv article:nth-child(2) h3::before{background:var(--amber)}
.mv p{margin:0;font-family:var(--serif);font-size:1.45rem;line-height:1.4;color:#e8e4d8}
@media(max-width:800px){.mv{grid-template-columns:1fr}}

/* Nosotros */
.team{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}
.person{width:calc(33.333% - .7rem);min-width:230px;background:#fff;border:1px solid var(--sand-3);border-radius:var(--radius);padding:1.5rem 1rem;text-align:center}
.person img{width:112px;height:112px;border-radius:50%;object-fit:cover;margin:0 auto .9rem;border:4px solid var(--sand-2)}
.person h3{font-size:1.0625rem;font-weight:600;line-height:1.3}
.person span{display:block;margin-top:.25rem;font-size:.875rem;color:var(--sand-11)}
.founders{margin-top:4rem;text-align:center}
.founders h3{font-family:var(--serif);font-weight:500;font-size:clamp(1.75rem,3.6vw,2.5rem);margin-bottom:1.5rem}
.founders img{width:100%;max-width:860px;margin:0 auto;border-radius:var(--radius);box-shadow:0 10px 30px rgba(29,27,22,.15)}

/* Comunidad */
.community{background:var(--sand-2)}
.community .wrap{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.community .h2,.community .lead{text-align:left;margin-left:0}
.community .lead{margin-bottom:1.5rem}
.feature{display:grid;grid-template-columns:72px 1fr;gap:1rem;align-items:center;background:#fff;border:1px solid var(--sand-3);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:.9rem}
.feature img{width:64px;height:64px;object-fit:contain}
.feature h3{font-size:1.125rem;font-weight:600;line-height:1.3;margin-bottom:.2rem}
.feature p{margin:0;font-size:.95rem;color:var(--sand-11)}
.community-photo img{width:100%;border-radius:var(--radius);box-shadow:0 12px 32px rgba(29,27,22,.18)}
@media(max-width:850px){.community .wrap{grid-template-columns:1fr}.community-photo{order:-1}}

/* Eventos */
.events .h2{color:var(--blue)}
.event-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem}
.event{flex:1 1 300px;max-width:380px;background:#fff;border:1px solid var(--sand-3);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column;gap:.55rem;box-shadow:0 2px 0 rgba(29,27,22,.04)}
.event time{font-size:.8125rem;font-weight:600;color:var(--blue);letter-spacing:.04em;text-transform:uppercase}
.event h3{font-family:var(--serif);font-weight:500;font-size:1.9rem;line-height:1.1}
.event p{margin:0;color:var(--sand-11);font-size:.95rem}
.event .place{font-size:.875rem;color:var(--sand-11)}
.event .btn{margin-top:auto}

/* Galería de actividades */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem}
.tile{position:relative;grid-column:span 3;min-height:260px;border-radius:var(--radius);overflow:hidden;background:var(--charcoal) center/cover no-repeat;color:#fff;display:flex;align-items:flex-end}
.tile::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,14,12,0) 25%,rgba(14,14,12,.88))}
.tile .in{position:relative;padding:1.25rem 1.4rem;width:100%}
.tile h3{font-family:var(--serif);font-weight:500;font-size:1.9rem;line-height:1.05;text-transform:none}
.tile h4{font-weight:500;font-size:.95rem;color:#cde3ee;margin:.2rem 0 .8rem}
.tile .btn{background:#fff;color:var(--sand-12)}.tile .btn:hover{background:var(--teal-4)}
.tile.w2{grid-column:span 2}
@media(max-width:850px){.gallery{grid-template-columns:1fr 1fr}.tile,.tile.w2{grid-column:span 1}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}

/* Cursos y artículos */
.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}
.card{background:#fff;border:1px solid var(--sand-3);border-top:8px solid var(--c,var(--green));border-radius:12px;padding:1.4rem 1.3rem 1.3rem;display:flex;flex-direction:column;gap:1.2rem;min-height:190px}
.card h3{font-size:1.125rem;font-weight:600;line-height:1.3}
.card a{margin-top:auto;align-self:flex-start;font-size:.875rem;font-weight:600;text-decoration:none;color:var(--sand-12);display:inline-flex;gap:.4rem;align-items:center;padding:.4rem .8rem;border:1.5px solid var(--sand-12);border-radius:999px;transition:background .2s,color .2s}
.card a:hover{background:var(--sand-12);color:#fff}
.card:nth-child(4n+1){--c:var(--green)}.card:nth-child(4n+2){--c:var(--amber)}.card:nth-child(4n+3){--c:var(--orange)}.card:nth-child(4n+4){--c:var(--blue)}

/* Contacto (sección negra) */
.contact{background:var(--black);color:#fff}
.contact .h2{color:#fff}
.contact-card{max-width:760px;margin:0 auto;background:var(--teal-9);color:#04211d;border-radius:18px;padding:2rem 1.75rem;text-align:center}
.contact-card p{margin:0 auto 1.4rem;max-width:34rem;font-size:1.0625rem}
.contact-links{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.contact-links .btn{background:#04211d;color:#fff}.contact-links .btn:hover{background:#000}

/* Pie de página */
.site-footer{background:var(--charcoal);color:#d8d4c8;padding:3rem 0 2rem}
.site-footer .top{display:grid;grid-template-columns:1.2fr 2fr;gap:2rem}
.site-footer img{height:54px;width:auto;margin-bottom:.75rem}
.site-footer .about{font-size:.9rem;color:#b9b4a6;max-width:22rem}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.cols h5{margin:0 0 .6rem;font-size:.8125rem;letter-spacing:.06em;text-transform:uppercase;color:#fff}
.cols a{display:block;color:#d8d4c8;text-decoration:none;font-size:.9rem;padding:.2rem 0}
.cols a:hover{color:var(--teal-9)}
.site-footer .copy{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);font-size:.8125rem;color:#9a9588}
@media(max-width:760px){.site-footer .top{grid-template-columns:1fr}.cols{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Ajustes finales */
#cursos .h2{text-align:center;margin-left:auto}
.contact-card{max-width:880px}

/* ===== Tarjeta de galería de ancho completo (opcional): <article class="tile w6"> ===== */
.tile.w6{grid-column:span 6;min-height:300px}

/* ===== Páginas internas (galerías y formulario) ===== */
.page-head{padding:3rem 0 1.5rem}
.crumbs{font-size:.875rem;color:var(--sand-11);margin-bottom:1rem}
.crumbs a{color:var(--teal-11);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.h1{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1;font-size:clamp(2.5rem,6vw,4.5rem)}
.meta{margin:.6rem 0 0;color:var(--teal-11);font-weight:600}
.intro{max-width:46rem;margin:1rem 0 0;color:var(--sand-11);font-size:1.0625rem}
.conteo-fila{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;color:var(--sand-11);font-size:.9rem}
.galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.75rem}
.galeria .foto{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:12px;background:var(--sand-3);box-shadow:0 1px 0 rgba(29,27,22,.06)}
.galeria .foto img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.galeria .foto:hover img,.galeria .foto:focus-visible img{transform:scale(1.05)}
.galeria .foto:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.vacio{grid-column:1/-1;text-align:center;color:var(--sand-11);padding:2rem}
.volver{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;padding:2.5rem 0 4rem}
.btn-line{background:transparent;color:var(--sand-12);box-shadow:inset 0 0 0 1.5px var(--sand-12)}
.btn-line:hover{background:var(--sand-12);color:#fff}
/* Visor ampliado */
.lb{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;color:#fff}
.lb::backdrop{background:rgba(10,10,9,.92)}
.lb[open]{display:flex;align-items:center;justify-content:center}
.lb figure{margin:0;max-width:min(92vw,1400px);display:flex;flex-direction:column;align-items:center;gap:.6rem}
.lb img{max-width:92vw;max-height:80vh;object-fit:contain;border-radius:8px}
.lb figcaption{font-size:.9rem;color:#d8d4c8;text-align:center}
.lb button{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:50%;width:48px;height:48px;font-size:1.8rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb button:hover{background:rgba(255,255,255,.28)}
.lb-cerrar{top:1rem;right:1rem}.lb-prev{left:1rem;top:50%;transform:translateY(-50%)}.lb-next{right:1rem;top:50%;transform:translateY(-50%)}
@media(max-width:560px){.galeria{grid-template-columns:repeat(2,1fr);gap:.5rem}.lb-prev{left:.4rem}.lb-next{right:.4rem}}

/* ===== Formulario de contacto ===== */
.form-card{max-width:680px;background:#fff;border:1px solid var(--sand-3);border-radius:18px;padding:2rem 1.75rem;box-shadow:0 10px 30px rgba(29,27,22,.08)}
.campo{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1.1rem}
.campo label{font-weight:600;font-size:.9375rem}
.campo input,.campo textarea{font:inherit;color:inherit;background:var(--sand-1);border:1.5px solid var(--sand-6);border-radius:10px;padding:.7rem .85rem;width:100%}
.campo textarea{min-height:160px;resize:vertical}
.campo input:focus,.campo textarea:focus{outline:3px solid var(--teal-4);border-color:var(--teal-9)}
.form-aviso{margin:1rem 0 0;padding:.8rem 1rem;border-radius:10px;font-size:.95rem}
.form-aviso.ok{background:var(--teal-4);color:#04321d}
.form-aviso.error{background:#fde3dc;color:#7a2410}
.btn[disabled]{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact-links .btn.primary{background:#fff;color:#04211d}.contact-links .btn.primary:hover{background:var(--teal-4)}
.events .h2{margin-bottom:2rem}

/* ===== Lista de todas las galerías (galeria.html sin clave) ===== */
.lista-galerias{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.gal-item{position:relative;display:flex;align-items:flex-end;min-height:200px;border-radius:var(--radius);overflow:hidden;background:var(--charcoal) center/cover no-repeat;color:#fff;text-decoration:none}
.gal-item::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,14,12,0) 30%,rgba(14,14,12,.85));transition:opacity .2s}
.gal-item:hover::before{opacity:.8}
.gal-item .in{position:relative;padding:1rem 1.2rem;display:flex;flex-direction:column}
.gal-item strong{font-family:var(--serif);font-weight:500;font-size:1.6rem;line-height:1.1}
.gal-item small{color:#cde3ee;font-size:.9rem}