/* Tochtli — club de astronomía infantil de SAMAZ. Cielo nocturno + amarillo del logo; Fredoka (títulos) y Nunito (texto). */
:root{--cielo:#0b1233;--cielo2:#111b4a;--am:#FFE45C;--na:#F29A4B;--ro:#F2B8C0;--az:#6FC3F0;--bl:#fff;--linea:rgba(255,255,255,.2)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--bl);font:18px/1.6 'Nunito',system-ui,sans-serif;background:var(--cielo);
background-image:radial-gradient(1.5px 1.5px at 20px 30px,#fff 50%,transparent 51%),radial-gradient(1px 1px at 90px 80px,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 150px 20px,var(--am) 50%,transparent 51%),radial-gradient(1px 1px at 60px 140px,#fff 50%,transparent 51%);background-size:180px 180px}
a{color:inherit}
h1,h2,h3{font-family:'Fredoka',sans-serif;font-weight:600;line-height:1.15;margin:0}
.bar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px clamp(16px,4vw,48px);background:rgba(11,18,51,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--linea);font:700 14px 'Nunito',sans-serif;letter-spacing:.06em;text-transform:uppercase}
.bar a{text-decoration:none;opacity:.9}.bar a:hover,.bar a:focus-visible{color:var(--am);opacity:1}
.bar nav{display:flex;gap:clamp(12px,2vw,24px);flex-wrap:wrap;justify-content:flex-end}
.bar .marca{font-family:'Fredoka',sans-serif;font-size:18px;letter-spacing:.1em}
@media(max-width:700px){.bar nav a:nth-child(n+3){display:none}}
.in{max-width:1080px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.hero{padding:clamp(28px,6vw,72px) 0}
.hero .in{display:grid;grid-template-columns:minmax(220px,340px) 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero .logo{width:100%;height:auto;display:block}
.et{margin:0 0 8px;font:700 14px 'Nunito',sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--na)}
h1{font-size:clamp(34px,5.4vw,58px);color:var(--am)}
h2{font-size:clamp(28px,4vw,40px);color:var(--am);margin-bottom:20px}
.lead{font-size:clamp(18px,2vw,21px);max-width:60ch;margin:16px 0 0}
.chips{list-style:none;padding:0;margin:24px 0;display:flex;flex-wrap:wrap;gap:12px}
.chips li{display:flex;flex-direction:column;padding:10px 18px;border:2px solid var(--am);border-radius:18px;background:rgba(255,228,92,.08);font-size:14px;line-height:1.25}
.chips b{font:600 19px 'Fredoka',sans-serif;color:var(--am)}
.acciones{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;border-radius:999px;font:700 16px 'Nunito',sans-serif;text-decoration:none;border:2px solid var(--am);background:var(--am);color:var(--cielo);transition:transform .15s,background .15s,color .15s}
.btn:hover,.btn:focus-visible{transform:translateY(-2px)}
.btn.az{background:transparent;border-color:var(--az);color:var(--az)}.btn.az:hover,.btn.az:focus-visible{background:var(--az);color:var(--cielo)}
.sec{padding:clamp(40px,7vw,80px) 0}.sec.alt{background:var(--cielo2);border-block:1px solid var(--linea)}
.dom{display:grid;grid-template-columns:minmax(220px,420px) 1fr;gap:clamp(20px,4vw,44px);align-items:start;background:var(--cielo2);border:2px solid var(--na);border-radius:24px;padding:clamp(16px,3vw,28px)}
.dom.sin{grid-template-columns:1fr}
.dom img{width:100%;height:auto;border-radius:14px;display:block}
.dom .fecha{font:600 22px 'Fredoka',sans-serif;color:var(--na);margin:0}.dom .hr{margin:2px 0 14px}
.dom h3{font-size:clamp(26px,3.4vw,36px);margin-bottom:6px}.tal{color:var(--az);font-weight:600}
.libre{display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;background:var(--am);color:var(--cielo);font-weight:800;font-size:15px}
.pasos{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.paso{background:rgba(255,255,255,.06);border:1px solid var(--linea);border-radius:20px;padding:22px}
.paso .n{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--na);color:var(--cielo);font:700 22px 'Fredoka',sans-serif;margin-bottom:12px}
.paso h3{font-size:24px;color:var(--am);margin-bottom:6px}.paso p{margin:0}
.origen{margin-top:28px;padding:22px 24px;border-left:6px solid var(--ro);background:rgba(242,184,192,.1);border-radius:0 18px 18px 0;max-width:70ch}
.origen h3{color:var(--ro);font-size:24px;margin-bottom:6px}.origen p{margin:0}
.temas{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.tema{background:var(--cielo2);border:1px solid var(--linea);border-radius:20px;overflow:hidden}
.tema img{width:100%;height:auto;display:block}.tema>div{padding:16px 20px 20px}
.tema .fch{color:var(--na);font:600 15px 'Fredoka',sans-serif}.tema h3{font-size:24px;margin:2px 0 4px}.tema p{margin:0}
.nota{margin-top:20px;opacity:.8;font-size:15px}
.gal{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.gal figure{margin:0}.gal img{width:100%;height:300px;object-fit:cover;object-position:center 35%;border-radius:20px;display:block}
.gal figcaption{margin-top:8px;font-size:15px;opacity:.85}
.mapa{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.mapa iframe{width:100%;min-height:340px;border:0;border-radius:20px}
.txt2 h3{font-size:26px;color:var(--am);margin-bottom:8px}.txt2 p{margin:0 0 12px}
@media(max-width:800px){.hero .in,.dom,.mapa{grid-template-columns:1fr}.hero .logo{max-width:260px;margin:0 auto}}
details{border:1px solid var(--linea);border-radius:16px;padding:14px 18px;margin-bottom:10px;background:rgba(255,255,255,.04)}
summary{cursor:pointer;font:600 20px 'Fredoka',sans-serif}details p{margin:10px 0 0}
.pv{display:inline-block;margin-left:8px;padding:1px 10px;border:1px dashed var(--na);border-radius:999px;color:var(--na);font:700 12px 'Nunito',sans-serif;letter-spacing:.04em;vertical-align:middle}
footer{padding:32px 20px;text-align:center;font-size:15px;opacity:.85;border-top:1px solid var(--linea)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
.equipo{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px}
.persona{display:flex;flex-direction:column;padding:14px 20px;border:2px solid var(--az);border-radius:18px;background:rgba(111,195,240,.08)}
.persona b{font:600 20px 'Fredoka',sans-serif;color:var(--am)}.persona span{font-size:15px}
.sub{font-size:26px;color:var(--am);margin:32px 0 16px}
.bar .marca{display:inline-flex;align-items:center;gap:10px}.bar .marca img{width:36px;height:36px;display:block}
footer .pie-logo{display:inline-block;margin-bottom:10px}footer .pie-logo img{width:72px;height:72px;display:block}footer p{margin:0}

/* botón flotante de WhatsApp con el conejo asomándose */
.wa-flot{position:fixed;z-index:40;right:clamp(14px,3vw,36px);bottom:calc(clamp(14px,3vh,28px) + env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:flex-end;text-decoration:none;color:#fff}
.wa-btn{position:relative;z-index:2;display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:#25d366;box-shadow:0 4px 18px rgba(0,0,0,.45),0 0 22px rgba(37,211,102,.28);transition:transform .15s ease,background .15s ease}
.wa-conejo{position:absolute;z-index:1;right:3px;bottom:47px;width:64px;height:86px;pointer-events:none;transform-origin:50% 100%;
 -webkit-mask-image:linear-gradient(#000 70%,transparent 94%);mask-image:linear-gradient(#000 70%,transparent 94%);animation:wa-asoma 3.4s ease-in-out infinite alternate}
.wa-conejo svg{display:block;overflow:visible}
@keyframes wa-asoma{from{transform:rotate(-2.5deg) translateY(1px)}to{transform:rotate(2.5deg) translateY(-2px)}}
.wa-txt{position:absolute;right:72px;top:50%;transform:translateY(-50%);white-space:nowrap;background:#0b1233;border:2px solid #25d366;border-radius:999px;padding:8px 16px;font:700 15px 'Nunito',sans-serif;opacity:0;pointer-events:none;transition:opacity .2s ease}
.wa-flot:hover .wa-btn,.wa-flot:focus-visible .wa-btn{transform:translateY(-2px);background:#1ebe5b}
.wa-flot:hover .wa-txt,.wa-flot:focus-visible .wa-txt{opacity:1}
.wa-flot:hover .wa-conejo,.wa-flot:focus-visible .wa-conejo{animation:wa-saluda .5s ease-in-out infinite alternate}
@keyframes wa-saluda{from{transform:rotate(-6deg) translateY(-4px)}to{transform:rotate(6deg) translateY(-4px)}}
.wa-flot:focus-visible{outline:none}.wa-flot:focus-visible .wa-btn{outline:3px solid #fff;outline-offset:3px}
@media (prefers-reduced-motion:reduce){.wa-conejo,.wa-flot:hover .wa-conejo{animation:none}.wa-btn,.wa-txt{transition:none}}