/* ANIMA styles part 1 */
:root{--primary:#1a4d2e;--moss:#4f772d;--lime:#90be6d;--earth:#8a5a44;--sand:#e8d5a3;--bg:#0b1f16;--bg2:#10291d;--card:#132e21;--text:#eaf3e8;--muted:#a9bfae;--accent:#e9c46a;--radius:20px;--shadow:0 18px 50px rgba(0,0,0,.45);--font-d:'Bebas Neue',sans-serif;--font-b:'Work Sans',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);background-color:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
img{width:100%;height:100%;object-fit:cover;display:block}
a{color:var(--accent);text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
.skip-link{position:absolute;left:-999px;background:var(--accent);color:#000;padding:8px 14px;border-radius:8px}
.skip-link:focus{left:10px;top:10px;z-index:200}
.scroll-progress{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,var(--lime),var(--accent));z-index:200}
.site-header{position:fixed;top:0;width:100%;z-index:100;transition:.3s;background:rgba(11,31,22,.6);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.site-header.scrolled{background:rgba(11,31,22,.92);box-shadow:var(--shadow)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-family:var(--font-d);font-weight:800;font-size:1.3rem;letter-spacing:2px}
.brand small{display:block;font-family:var(--font-b);font-size:.58rem;letter-spacing:3px;color:var(--accent)}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--moss),var(--primary));display:grid;place-items:center;color:var(--sand)}
.nav-links{display:flex;gap:22px;list-style:none}
.nav-link{color:var(--text);position:relative;padding:6px 2px;opacity:.9}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:.3s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--accent)}
.nav-actions{display:flex;gap:10px;align-items:center}
.portal-back{display:inline-flex;align-items:center;gap:6px;padding:9px 13px;border:1px solid rgba(233,196,106,.55);border-radius:999px;color:var(--accent);font-size:.78rem;font-weight:700;white-space:nowrap;transition:.25s}
.portal-back:hover{background:var(--accent);color:#111;transform:translateY(-2px)}
.theme-toggle{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:var(--accent);cursor:pointer;transition:.3s}
.theme-toggle:hover,.theme-toggle:focus-visible{transform:rotate(15deg) scale(1.06);background:rgba(255,255,255,.16)}
.theme-toggle:focus-visible,.hamburger:focus-visible,.nav-link:focus-visible,.btn:focus-visible,.filter-btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.hamburger{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:var(--text);width:42px;height:42px;border-radius:12px;cursor:pointer}
.hamburger{display:none;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.hamburger span{width:20px;height:2px;background:var(--text);transition:.3s;display:block}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-img{position:absolute;inset:0;opacity:.45}
.hero-gradient{position:absolute;inset:0;background:radial-gradient(800px 400px at 20% 20%,rgba(144,190,109,.25),transparent),linear-gradient(180deg,rgba(11,31,22,.55),var(--bg) 90%)}
.firefly{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.7;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0);opacity:.2}50%{transform:translateY(-30px);opacity:.9}}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;position:relative;z-index:2}
.eyebrow{letter-spacing:3px;font-size:.75rem;color:var(--lime);font-weight:700}
.pulse-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px;animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(233,196,106,.7)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero-title{font-family:var(--font-d);font-size:clamp(3.5rem,8vw,6.5rem);line-height:.9;letter-spacing:4px}
.title-sub{display:block;font-size:clamp(1.4rem,3vw,2.2rem);letter-spacing:0;font-weight:400}
.title-sub em{color:var(--accent)}
.slogan{font-family:var(--font-d);font-size:1.3rem;margin:14px 0;color:var(--sand)}
.hero-desc{color:var(--muted);max-width:520px}
.hero-btns{display:flex;gap:14px;margin:22px 0;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;border:none;cursor:pointer;font-weight:600;transition:.3s}
.btn-primary{background:linear-gradient(135deg,var(--lime),var(--moss));color:#08130d}
.btn-primary:hover{transform:translateY(-3px) scale(1.02)}
.btn-ghost{background:rgba(255,255,255,.08);color:var(--text);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.btn-small{padding:9px 16px;font-size:.9rem}
.hero-stats{display:flex;gap:30px}
.hero-stats dt{font-family:var(--font-d);font-size:1.8rem;color:var(--accent)}
.hero-stats dd{font-size:.8rem;color:var(--muted)}
.glass{background:rgba(255,255,255,.07);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius)}
.specimen-card{position:relative;overflow:hidden;box-shadow:var(--shadow);animation:hover 5s ease-in-out infinite}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.specimen-card img{height:380px}
.specimen-top{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;z-index:2}
.specimen-tag,.live{font-size:.7rem;padding:6px 12px;border-radius:999px;background:rgba(0,0,0,.55);letter-spacing:1px}
.specimen-info{position:absolute;bottom:0;width:100%;padding:18px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.hotspot{position:absolute;width:30px;height:30px;border-radius:50%;border:2px solid var(--accent);background:rgba(0,0,0,.5);color:var(--accent);cursor:pointer;animation:pulse 2s infinite;z-index:3}
.spot-tip{position:absolute;bottom:90px;left:50%;transform:translateX(-50%);background:#000;padding:8px 14px;border-radius:10px;font-size:.8rem;opacity:0;transition:.3s;white-space:nowrap}
.spot-tip.show{opacity:1}
.scroll-hint{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:.7rem;letter-spacing:3px}
.section{padding:90px 0}
.section.alt{background:var(--bg2)}
.sec-head h2{font-family:var(--font-d);font-size:clamp(2rem,4vw,3rem)}
.sec-head h2 em{color:var(--accent)}
.sec-desc{color:var(--muted);max-width:640px;margin:8px 0 20px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.filter-btn{padding:10px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;transition:.3s}
.filter-btn:hover{transform:translateY(-2px);border-color:var(--accent)}
.filter-btn.active{background:var(--accent);color:#111;border-color:var(--accent)}
.filter-count{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s,opacity .35s;opacity:1}
.card:hover{transform:translateY(-10px) scale(1.01);box-shadow:0 26px 60px rgba(0,0,0,.55)}
.card.hide{display:none}
.card.pop{animation:pop .45s ease}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.card-media{position:relative;height:190px;overflow:hidden}
.card-media img{transition:transform .6s}
.card:hover .card-media img{transform:scale(1.08)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(0,0,0,.55))}
.card-badge{position:absolute;top:10px;left:10px;background:var(--accent);color:#111;font-size:.7rem;font-weight:700;padding:5px 12px;border-radius:999px;z-index:2}
.card-body{padding:16px}
.card-body h3{font-family:var(--font-d);font-size:1.25rem}
.sci{color:var(--lime);font-size:.85rem}
.card-meta{font-size:.8rem;color:var(--muted);margin:6px 0}
.card-body p{font-size:.9rem;color:#d6e2d4}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.card-organs{font-size:.75rem;color:var(--sand)}
.lists-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.list-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:22px}
.list-card h3{font-family:var(--font-d);margin-bottom:10px;color:var(--accent)}
.list-card ul,.list-card ol{padding-left:20px;color:#d6e2d4}
.list-card li{margin:6px 0}
.list-card li::marker{color:var(--accent)}
.systems{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.sys-btn{padding:12px 18px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:var(--text);cursor:pointer;transition:.3s;display:flex;gap:8px;align-items:center}
.sys-btn:hover{transform:translateY(-2px)}
.sys-btn.active{background:linear-gradient(135deg,var(--moss),var(--primary));border-color:var(--lime);box-shadow:0 10px 26px rgba(79,119,45,.4)}
.sys-panel{display:flex;gap:18px;padding:24px;align-items:flex-start}
.sys-icon{width:60px;height:60px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#c98a2e);color:#111;font-size:1.4rem;flex-shrink:0}
.sys-fun,.sys-sp{margin-top:8px;color:#d6e2d4;font-size:.95rem}
.explorer{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin-top:22px}
.explorer-visual{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:18px}
.explorer-hint{color:var(--muted);font-size:.9rem;margin:6px 0 4px}
.anat-toolbar{display:flex;gap:12px;align-items:center;margin:12px 0 4px}
.anat-tabs{display:flex;gap:8px;flex-wrap:wrap;flex:1;min-width:0}
.anat-tabs .anat-btn{flex:0 1 auto}
.anat-select{padding:12px 14px;border-radius:12px;background:var(--card);color:var(--text);border:1px solid rgba(255,255,255,.18);font:inherit;min-height:48px;max-width:100%}
.body-map{position:relative;border-radius:14px;overflow:hidden;margin:12px 0;isolation:isolate}
.body-map img{height:360px}
.spot-tip{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(7,19,13,.92);border:1px solid rgba(233,196,106,.4);border-radius:12px;padding:10px 14px;font-size:.85rem;opacity:0;transform:translateY(8px);transition:.3s;pointer-events:none;z-index:3}
.spot-tip.show{opacity:1;transform:none}
.body-lines{position:absolute;inset:0;width:100%;height:100%;stroke:var(--accent);stroke-width:.4;opacity:.6}
.organ-dot{position:absolute;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#111;font-weight:700;border:3px solid #fff3;cursor:pointer;transition:.3s;z-index:2;display:grid;place-items:center;font-size:.85rem}
#organDots{position:absolute;inset:0;pointer-events:none}
#organDots .organ-dot{pointer-events:auto;transform:translate(-50%,-50%)}
#organDots .organ-dot.active,#organDots .organ-dot:hover{transform:translate(-50%,-50%) scale(1.15);background:var(--lime)}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.organ-btns{display:flex;gap:8px;flex-wrap:wrap}
.organ-btn{padding:9px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.15);background:transparent;color:var(--text);cursor:pointer;transition:.25s}
.organ-btn.active{background:var(--text);color:#111}
.organ-card{display:flex;gap:16px;padding:22px;align-items:flex-start}
.organ-num{font-family:var(--font-d);font-size:2.6rem;color:var(--accent);line-height:1}
.organ-facts{margin-top:10px;padding-left:18px;color:#d6e2d4}
.compare-selects{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin:18px 0}
.compare-selects label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:6px}
.compare-selects select{padding:12px 16px;border-radius:12px;background:var(--card);color:var(--text);border:1px solid rgba(255,255,255,.15);min-width:200px}
.vs{font-family:var(--font-d);font-size:1.6rem;color:var(--accent)}
.compare-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cmp-card{padding:16px;text-align:center}
.cmp-card img{height:220px;border-radius:12px}
.table-wrap{overflow-x:auto;margin-top:18px;background:rgba(255,255,255,.04);border-radius:var(--radius);border:1px solid rgba(255,255,255,.1)}
.table-title{padding:16px 16px 0;font-family:var(--font-d)}
table.cmp-table{width:100%;border-collapse:collapse;min-width:600px}
.cmp-table th,.cmp-table td{padding:13px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08);font-size:.92rem}
.cmp-table thead th{background:rgba(233,196,106,.12);color:var(--accent)}
.cmp-table tbody tr{transition:.25s}
.cmp-table tbody tr:hover{background:rgba(144,190,109,.12);transform:scale(1.005)}
.diff{background:rgba(233,196,106,.08)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.g-item{position:relative;border-radius:16px;overflow:hidden;height:240px;cursor:pointer;box-shadow:var(--shadow)}
.g-item img{transition:transform .6s}
.g-item:hover img{transform:scale(1.1)}
.g-item figcaption{position:absolute;bottom:0;width:100%;padding:12px;background:linear-gradient(transparent,rgba(0,0,0,.8));font-family:var(--font-d)}
.g-item::before{content:"+";position:absolute;top:10px;right:12px;width:30px;height:30px;border-radius:50%;background:rgba(0,0,0,.5);display:grid;place-items:center;color:var(--accent);opacity:0;transition:.3s;z-index:2}
.g-item:hover::before{opacity:1}
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.media-card{padding:20px}
.media-card h3{font-family:var(--font-d);margin-bottom:12px}
.media-card video{width:100%;height:300px;border-radius:14px;background:#000}
.iframe-wrap{position:relative;padding-bottom:56.25%;height:0;border-radius:14px;overflow:hidden}
.iframe-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.media-note{font-size:.85rem;color:var(--muted);margin-top:10px}
.footer{background:#07130d;border-top:1px solid rgba(255,255,255,.08);padding:50px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.footer h3{font-family:var(--font-d);letter-spacing:3px;color:var(--accent)}
.footer h4{margin-bottom:10px;color:var(--sand)}
.footer ul{list-style:none}
.footer li{margin:6px 0}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--accent)}
.footer-bar{display:flex;justify-content:space-between;padding:18px 5%;border-top:1px solid rgba(255,255,255,.08);margin-top:30px;color:var(--muted);font-size:.85rem}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);display:grid;place-items:center;opacity:0;pointer-events:none;transition:.35s;z-index:300;padding:16px}
.modal.open{opacity:1;pointer-events:auto}
.modal-card{max-width:520px;width:100%;overflow:hidden;position:relative;transform:translateY(20px) scale(.96);transition:.35s}
.modal.open .modal-card{transform:none}
.modal-card.wide{max-width:720px}
.modal-card img{height:280px}
.modal-card.wide img{height:380px}
.modal-body{padding:20px}
.modal-close{position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;border:none;background:#000a;color:#fff;font-size:1.3rem;cursor:pointer;z-index:2}
.modal-close:hover{background:var(--accent);color:#111}
.to-top{position:fixed;bottom:22px;right:22px;width:48px;height:48px;border-radius:50%;border:none;background:var(--accent);font-size:1.3rem;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:150}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px)}
/* El tema cálido conserva el contraste y solo cambia la atmósfera cromática. */
:root{color-scheme:dark}
body.warm-theme{--primary:#6e3c2e;--moss:#a23e48;--lime:#d9825b;--earth:#8a5a44;--sand:#f5efe0;--bg:#241b22;--bg2:#35232b;--card:#422b32;--text:#fff5e8;--muted:#d8bda9;--accent:#e8a33d}
body.warm-theme .site-header.scrolled{background:rgba(36,27,34,.94)}
html{background:var(--bg)}
@media(max-width:1024px){.cards-grid{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr}.gallery-grid{grid-template-columns:repeat(2,1fr)}.explorer,.media-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){
/* FIX móvil: el menú NUNCA ocupa media pantalla ni empuja el hero. Dropdown flotante a todo el ancho */
.nav{position:relative !important}
.site-header{z-index:1000}
.nav-links{position:fixed !important;top:78px !important;left:3% !important;right:3% !important;width:auto !important;min-width:0 !important;max-height:calc(100dvh - 92px);overflow:auto;display:flex !important;flex-direction:column;gap:2px;background-color:#0e281b !important;background-image:none !important;border:1px solid rgba(233,196,106,.65);border-radius:16px;padding:10px;z-index:99999;box-shadow:0 18px 50px rgba(0,0,0,.9);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);transition:.25s}
.nav-links.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.hamburger{display:flex}
.nav-links .nav-link{display:block;padding:10px 12px;font-size:.95rem}
.nav-links .nav-link{color:#f4f7ed !important;opacity:1}
.nav-actions{gap:8px}
.nav-links li{list-style:none}
/* FIX hero móvil: 1 columna real, botones tamaño original compacto */
.hero{padding:100px 0 40px;min-height:100svh}
.hero-grid{grid-template-columns:1fr !important;gap:24px;align-items:start}
.hero-copy{min-width:0;max-width:100%}
.hero-title{font-size:clamp(2.6rem,13vw,4rem)}
.hero-btns{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.hero-btns .btn{width:auto !important;flex:none !important;padding:13px 22px !important;font-size:1rem !important}
.specimen-card img{height:300px}
.anat-detail{grid-template-columns:1fr}.biome-hud{display:none}
.anat-toolbar{flex-direction:column;align-items:stretch}
.anat-select{width:100%}
.body-map img{height:300px}
.compare-selects{flex-wrap:wrap}
.modal-card{margin:0}
.cards-grid,.gallery-grid,.compare-cards,.lists-grid{grid-template-columns:1fr}
.hero-stats{flex-wrap:wrap;gap:18px}
.footer-grid{grid-template-columns:1fr}
.sys-panel{flex-direction:column}
.organ-card{flex-direction:column}
.container{width:min(1200px,94%)}
.portal-back{font-size:.7rem;padding:8px 10px}
.internal-page{padding-top:70px}.page-hero{padding:68px 0 48px}.page-hero-grid{grid-template-columns:1fr;gap:24px}.page-hero-media{height:250px}.intro-grid,.feature-list{grid-template-columns:1fr}.route-card{grid-template-columns:1fr}.route-card img{height:190px}.internal-video{height:230px}.internal-iframe{min-height:230px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;scroll-behavior:auto !important;transition-duration:.01ms !important}
.reveal{opacity:1;transform:none}
}
/* ===== FONDO VIVO POR BIOMA ===== */
#bioCanvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.9}
.biome-layer{position:fixed;inset:0;z-index:1;pointer-events:none;overflow:hidden}
body main,body .site-header,body .footer{position:relative;z-index:2}
@media(max-width:700px){body .site-header{z-index:1000}}
.biome-hud{position:fixed;left:14px;bottom:14px;z-index:60;display:flex;gap:8px;align-items:center;padding:8px 14px;font-size:.75rem;letter-spacing:2px}
.biome-hud small{color:var(--muted);letter-spacing:.5px}
.blade{position:absolute;bottom:-10px;width:14px;height:120px;background:linear-gradient(to top,#1a4d2e,#90be6d);border-radius:50% 50% 0 0;transform-origin:bottom;opacity:0;animation:sway 3.5s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}
body[data-biome="selva"] .blade,body[data-biome="sabana"] .blade{opacity:.55}
.bubble{position:absolute;bottom:-30px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff9,#2ec4b633);border:1px solid #fff3;opacity:0;animation:rise 7s linear infinite}
@keyframes rise{to{transform:translateY(-110vh)}}
body[data-biome="oceano"] .bubble{opacity:.8}
.leaf{position:absolute;top:-40px;width:34px;height:26px;background:linear-gradient(135deg,#4f772d,#90be6d);border-radius:0 60% 0 60%;opacity:0;animation:fall 8s linear infinite}
@keyframes fall{to{transform:translateY(115vh) rotate(360deg)}}
body[data-biome="cielo"] .leaf{opacity:.7}
.ripple{position:absolute;bottom:8%;width:120px;height:26px;border:2px solid #2ec4b6aa;border-radius:50%;opacity:0;animation:rip 4s ease-out infinite}
@keyframes rip{from{transform:scale(.5);opacity:.8}to{transform:scale(1.6);opacity:0}}
body[data-biome="laguna"] .ripple{opacity:.7}
.fire{position:absolute;bottom:6%;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);opacity:0;animation:floatUp 5s ease-in infinite}
@keyframes floatUp{to{transform:translateY(-60vh);opacity:0}50%{opacity:1}}
body[data-biome="sabana"] .fire{opacity:.9}
.biome-switch{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px}
.biome-switch p{font-size:.8rem;color:var(--muted)}
.biome-btn{padding:8px 16px;border-radius:999px;border:1px solid #ffffff2a;background:#ffffff10;color:var(--text);cursor:pointer;transition:.3s;font-size:.82rem}
.biome-btn:hover{transform:translateY(-2px)}
.biome-btn.active{background:var(--accent);color:#111;border-color:var(--accent)}
/* Páginas internas: bloques editoriales, tarjetas y tablas legibles en cualquier pantalla. */
.internal-page{padding-top:86px}
.page-hero{padding:92px 0 72px;background:radial-gradient(circle at 80% 20%,rgba(144,190,109,.2),transparent 38%),linear-gradient(145deg,var(--bg2),var(--bg))}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.page-hero h1{font-family:var(--font-d);font-size:clamp(3.6rem,8vw,6.8rem);line-height:.9;letter-spacing:2px}
.page-hero h1 em,.page-hero h2 em{color:var(--accent);font-style:normal}
.page-hero p:not(.eyebrow){color:var(--muted);max-width:620px;margin-top:16px}
.page-hero-media{height:340px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid #ffffff1c}
.page-hero-media img{height:100%}
.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.intro-card{padding:24px;background:rgba(255,255,255,.05);border:1px solid #ffffff14;border-radius:var(--radius);transition:.3s}
.intro-card:hover{transform:translateY(-5px);border-color:var(--accent)}
.intro-card i{font-size:1.7rem;color:var(--accent);margin-bottom:15px}
.intro-card h3{font-family:var(--font-d);font-size:1.45rem;color:var(--sand);margin-bottom:6px}
.intro-card p{color:var(--muted);font-size:.92rem}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.feature-list .list-card{min-height:170px}
.route-card{display:grid;grid-template-columns:170px 1fr;gap:20px;align-items:center;padding:18px;background:rgba(255,255,255,.05);border:1px solid #ffffff14;border-radius:var(--radius);margin-bottom:16px}
.route-card img{height:150px;border-radius:14px}
.route-card h3{font-family:var(--font-d);font-size:1.6rem;color:var(--sand)}
.route-card p{color:var(--muted);margin:6px 0 12px}
.tag{display:inline-block;padding:4px 10px;border-radius:99px;background:#e9c46a22;color:var(--accent);font-size:.72rem;letter-spacing:1px}
.internal-video{width:100%;height:340px;border-radius:16px;background:#000;margin-top:18px}
.internal-iframe{min-height:340px}
.page-footer-note{color:var(--muted);font-size:.85rem;margin-top:18px}
/* ===== UPGRADE VISUAL v4 ===== */
.card{position:relative;transform-style:preserve-3d;will-change:transform}
.card-shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,#ffffff2e 48%,transparent 60%);transform:translateX(-120%);transition:transform .8s;pointer-events:none}
.card:hover .card-shine{transform:translateX(120%)}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1.5px;background:linear-gradient(135deg,var(--lime),transparent 40%,var(--accent));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.4s;pointer-events:none}
.card:hover::before{opacity:1}
.card.tilt{transition:transform .15s ease-out,box-shadow .35s}
.hero-title{background:linear-gradient(180deg,#fff 30%,var(--sand) 60%,var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 6px 24px #0008)}
.specimen-card{border:1px solid #ffffff22}
.specimen-card::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,#00ff8833 3px 4px);pointer-events:none;animation:scan 4s linear infinite}
@keyframes scan{from{background-position:0 0}to{background-position:0 120px}}
.hero-stats dt{transition:.3s}
.g-item{transition:transform .4s}
.g-item:hover{transform:translateY(-6px) rotate(.5deg)}
.sec-head h2{position:relative;display:inline-block}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:-6px;height:3px;width:60px;background:linear-gradient(90deg,var(--accent),transparent);border-radius:3px}
.sys-btn{position:relative;overflow:hidden}
.sys-btn::after{content:"";position:absolute;bottom:0;left:0;height:2px;width:0;background:var(--lime);transition:.3s}
.sys-btn.active::after{width:100%}
.organ-dot{box-shadow:0 0 0 0 #e9c46a99;animation:beat 1.8s infinite}
@keyframes beat{70%{box-shadow:0 0 0 14px transparent}100%{box-shadow:0 0 0 0 transparent}}
.to-top,.filter-btn,.biome-btn,.btn{position:relative;overflow:hidden}
.to-top::after,.btn-primary::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,#ffffff66,transparent);transform:skewX(-20deg);transition:.5s}
.to-top:hover::after,.btn-primary:hover::after{left:130%}
.anat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0}
.anat-btn{padding:9px 15px;border-radius:12px;border:1px solid #ffffff22;background:#ffffff0d;color:var(--text);cursor:pointer;transition:.25s;font-size:.85rem}
.anat-btn:hover{transform:translateY(-2px)}
.anat-btn.active{background:linear-gradient(135deg,var(--lime),var(--moss));color:#08130d;font-weight:700}
.anat-detail{display:grid;grid-template-columns:220px 1fr;gap:18px;margin-top:14px;align-items:start}
.anat-detail img{height:230px;border-radius:14px}
.anat-bars{display:grid;gap:10px;margin-top:12px}
.bar-row{display:grid;grid-template-columns:110px 1fr 40px;gap:10px;align-items:center;font-size:.82rem}
.bar{height:10px;border-radius:99px;background:#ffffff18;overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--lime),var(--accent));transition:width 1s cubic-bezier(.2,.8,.2,1)}
.species-anat{margin-top:16px;padding:16px;border-radius:14px;background:#ffffff08;border:1px dashed #ffffff2c;font-size:.9rem}
/* ===== Responsive táctil: navegación y botones (tamaño original, sin agrandar) ===== */
.hero-btns .btn{justify-content:center;text-align:center}
.filters,.systems,.hero-btns,.organ-btns,.compare-selects{scrollbar-width:thin}
@media(max-width:1024px){.anat-toolbar{flex-direction:column;align-items:stretch}.anat-select{width:100%}}
/* Móvil pequeño: solo ajustes de layout, sin cambiar tamaño de botones */
@media(max-width:380px){
.hero-title{letter-spacing:2px}
.brand{font-size:1.05rem}
.body-map img{height:300px}
}