/* Sitio YoEco AI. Tokens del manual de marca (public/app.css): tinta y verdes para la estructura,
   lima como señal de vida. Secciones oscuras (el organismo) y claras (rocío) se alternan. */
:root {
  --tinta: #0E1E24; --noche: #081317; --verde: #149D80; --profundo: #0B6F5B; --lima: #BCEB77;
  --menta: #DDF2EA; --rocio: #F2F6F4; --pizarra: #4A5A5E; --linea: #D3E0DA; --blanco: #FFFFFF;
  --en-oscuro: #E4EEEA; --en-oscuro-2: #9DB2AC; --linea-oscura: #23383F; --superficie-oscura: #11252C;
  --sans: "Spline Sans", "Segoe UI", system-ui, sans-serif; --mono: "Spline Sans Mono", ui-monospace, Consolas, monospace;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--noche); color: var(--en-oscuro); font: 400 17px/1.6 var(--sans); overflow-x: hidden; }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.05; text-wrap: balance; letter-spacing: -0.025em; }
p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--lima); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--lima); color: var(--tinta); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.label { font: 500 12px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--lima); }
.sec-head { display: flex; flex-direction: column; gap: 14px; max-width: 760px; margin-bottom: clamp(32px, 6vw, 64px); }
.sec-head h2, .dos-head h2, .adn h2 { font-size: clamp(32px, 5.4vw, 64px); }
.sub { font-size: clamp(17px, 1.6vw, 20px); color: var(--en-oscuro-2); max-width: 60ch; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent; font-weight: 600; font-size: 16px; text-decoration: none; cursor: pointer; transition: transform .25s var(--ease), background .25s, box-shadow .25s; }
.btn:hover { transform: translateY(-2px); }
.btn-lima { background: var(--lima); color: var(--tinta); box-shadow: 0 0 0 0 rgba(188, 235, 119, .5); }
.btn-lima:hover { box-shadow: 0 10px 40px -10px rgba(188, 235, 119, .7); }
.btn-ghost { background: transparent; color: var(--en-oscuro); border-color: rgba(228, 238, 234, .3); }
.btn-ghost:hover { border-color: var(--lima); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }

/* Navegación */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 40; display: flex; align-items: center; gap: 24px; padding: 14px var(--gutter); transition: background .3s, backdrop-filter .3s; }
.nav.solida { background: rgba(8, 19, 23, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(35, 56, 63, .6); }
.nav-logo { display: flex; align-items: center; gap: 6px; text-decoration: none; margin-right: auto; }
.nav-logo img { height: 30px; width: auto; }
.ai { font: 600 13px var(--mono); color: var(--tinta); background: var(--lima); padding: 1px 6px; border-radius: 5px; letter-spacing: .04em; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--en-oscuro-2); text-decoration: none; font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: var(--lima); }
@media (max-width: 760px) { .nav-links { display: none; } }

/* 1 · Hero */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; background: radial-gradient(120% 90% at 70% 110%, #0f3a33 0%, var(--noche) 60%); }
#micelio { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: pan-y; }
.hero-inner { position: relative; z-index: 2; max-width: 1180px; width: 100%; margin: 0 auto; padding: 120px var(--gutter) 140px; display: flex; flex-direction: column; gap: 26px; pointer-events: none; }
.hero-inner > * { pointer-events: auto; }
.hero-inner > .hero-hint { pointer-events: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 13px var(--mono); color: var(--en-oscuro-2); letter-spacing: .06em; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lima); box-shadow: 0 0 0 0 rgba(188, 235, 119, .6); animation: latido 2.4s infinite; }
@keyframes latido { 0% { box-shadow: 0 0 0 0 rgba(188, 235, 119, .6); } 70% { box-shadow: 0 0 0 14px rgba(188, 235, 119, 0); } 100% { box-shadow: 0 0 0 0 rgba(188, 235, 119, 0); } }
.hero h1 { font-size: clamp(44px, 8.4vw, 116px); max-width: 13ch; letter-spacing: -0.04em; font-weight: 600; }
.hero h1 em { font-style: normal; font-weight: 300; background: linear-gradient(100deg, var(--lima) 10%, #45C9A8 60%, var(--verde)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(18px, 2vw, 22px); max-width: 52ch; color: var(--en-oscuro-2); }
.lede strong { color: var(--en-oscuro); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-hint { font: 400 12.5px var(--mono); color: rgba(157, 178, 172, .6); }
.ticker { position: absolute; bottom: 0; left: 0; right: 0; z-index: 2; overflow: hidden; border-top: 1px solid rgba(35, 56, 63, .7); background: rgba(8, 19, 23, .5); backdrop-filter: blur(6px); }
.ticker-track { display: flex; align-items: center; gap: 28px; width: max-content; padding: 16px 0; animation: ticker 36s linear infinite; font: 500 14px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--en-oscuro-2); }
.ticker i { width: 6px; height: 6px; border-radius: 50%; background: var(--verde); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* 2 · Manifiesto: las palabras se encienden con el scroll */
.manifiesto { height: 220vh; position: relative; background: var(--noche); }
.manifiesto-sticky { position: sticky; top: 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; gap: 28px; max-width: 1180px; margin: 0 auto; padding: 80px var(--gutter); }
.manifiesto-text { font-size: min(clamp(28px, 4.6vw, 60px), 6.4svh); line-height: 1.16; font-weight: 500; letter-spacing: -0.025em; max-width: 24ch; }
.manifiesto-text .w { color: rgba(228, 238, 234, .14); transition: color .35s; }
.manifiesto-text .w.on { color: var(--en-oscuro); }
.manifiesto-text .w.clave.on { color: var(--lima); }

/* Dos economías (clara) */
.dos { background: var(--rocio); color: var(--tinta); padding: clamp(72px, 10vw, 140px) 0; color-scheme: light; }
.dos-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.dos-head h2 { max-width: 15ch; }
.switch { position: relative; display: inline-flex; background: var(--blanco); border: 1px solid var(--linea); border-radius: 999px; padding: 4px; }
.switch button { position: relative; z-index: 1; border: 0; background: none; padding: 10px 22px; border-radius: 999px; cursor: pointer; font-weight: 600; color: var(--pizarra); transition: color .3s; min-height: 44px; }
.switch button[aria-checked="true"] { color: var(--blanco); }
.switch-thumb { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 999px; background: var(--tinta); transition: transform .45s var(--ease), background .45s; }
.switch[data-modo="viva"] .switch-thumb { transform: translateX(100%); background: var(--profundo); }
.dos-stage { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); align-items: center; position: relative; }
.dos-visual { background: var(--tinta); border-radius: 28px; padding: clamp(16px, 3vw, 32px); aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
.dos-svg { width: 100%; height: 100%; }
.dos-svg text { font: 500 13px var(--sans); fill: var(--en-oscuro-2); text-anchor: middle; }
.capas rect { fill: var(--superficie-oscura); stroke: var(--linea-oscura); transition: transform .6s var(--ease), opacity .5s; }
.costo text { fill: #F0B062; font: 600 15px var(--mono); }
.viva path { fill: none; stroke: var(--verde); stroke-width: 2; stroke-dasharray: 6 8; animation: fluir 1.6s linear infinite; }
.viva .arco { stroke: rgba(188, 235, 119, .5); }
.viva circle { fill: var(--lima); }
.viva .centro { fill: var(--verde); }
.viva .centro-t { fill: var(--blanco); font-weight: 600; }
@keyframes fluir { to { stroke-dashoffset: -28; } }
.capas, .viva { transition: opacity .6s var(--ease), transform .8s var(--ease); transform-origin: 200px 150px; }
.dos-stage[data-modo="viva"] .capas { opacity: 0; transform: scale(.85) rotate(-4deg); }
.dos-stage[data-modo="capas"] .viva { opacity: 0; transform: scale(1.15); }
.dos-stage[data-modo="capas"] .capas rect:nth-child(odd) { transform: translateX(-6px); }
.dos-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; grid-area: 1 / 2; transition: opacity .5s, transform .6s var(--ease); }
.dos-list li { padding-left: 22px; position: relative; color: var(--pizarra); font-size: 17px; }
.dos-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 9px; height: 9px; border-radius: 50%; }
.dos-list b { color: var(--tinta); display: block; font-size: 19px; }
.capas-list li::before { background: #C77D2A; border-radius: 2px; }
.viva-list li::before { background: var(--verde); box-shadow: 0 0 0 4px var(--menta); }
.dos-stage[data-modo="viva"] .capas-list, .dos-stage[data-modo="capas"] .viva-list { opacity: 0; transform: translateY(14px); pointer-events: none; visibility: hidden; }
@media (max-width: 860px) {
  .dos-stage { grid-template-columns: minmax(0, 1fr); }
  .dos-list { grid-area: 2 / 1; }
}

/* 3 · Organismo */
.organismo { padding: clamp(80px, 11vw, 160px) 0; background: radial-gradient(80% 60% at 30% 20%, #0f2f2b 0%, var(--noche) 70%); }
.org-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.org-map { aspect-ratio: 1; width: 100%; max-width: 620px; justify-self: center; }
#org-svg { width: 100%; height: 100%; overflow: visible; }
.venas path { fill: none; stroke: rgba(20, 157, 128, .45); stroke-width: 2; }
.venas path.flujo { stroke: var(--lima); stroke-width: 2.5; stroke-dasharray: 2 22; stroke-linecap: round; animation: fluir 2.2s linear infinite; opacity: .8; }
.venas path.entre { stroke: rgba(188, 235, 119, .18); stroke-dasharray: 3 7; }
.organo { cursor: pointer; outline: none; }
.organo .o-halo { fill: rgba(20, 157, 128, .12); stroke: rgba(20, 157, 128, .35); transition: r .4s var(--ease), fill .3s; }
.organo .o-body { fill: var(--superficie-oscura); stroke: var(--verde); stroke-width: 2; transition: fill .3s, stroke .3s; }
.organo .o-t { font: 600 17px var(--sans); fill: var(--en-oscuro); text-anchor: middle; pointer-events: none; }
.organo .o-s { font: 500 11px var(--mono); fill: var(--en-oscuro-2); text-anchor: middle; letter-spacing: .1em; text-transform: uppercase; pointer-events: none; }
.organo .sat { fill: var(--verde); transition: fill .3s; }
.organo .sat-l { stroke: rgba(20, 157, 128, .5); stroke-width: 1.5; }
.organo:hover .o-body, .organo:focus-visible .o-body, .organo.activo .o-body { fill: var(--profundo); stroke: var(--lima); }
.organo.activo .sat, .organo.recomendado .sat { fill: var(--lima); }
.organo.recomendado .o-halo { fill: rgba(188, 235, 119, .16); stroke: var(--lima); animation: respira 2.6s var(--ease) infinite; }
.organo.germinando .o-body { stroke-dasharray: 5 5; }
@keyframes respira { 50% { r: 76; } }
.core { cursor: pointer; outline: none; }
.core-halo { fill: none; stroke: rgba(188, 235, 119, .35); stroke-width: 1.5; animation: halo 3.4s var(--ease) infinite; transform-origin: 300px 300px; }
@keyframes halo { 0% { transform: scale(.9); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }
.core-t { font: 600 24px var(--sans); fill: var(--tinta); text-anchor: middle; }
.core-s { font: 500 11px var(--mono); fill: var(--tinta); text-anchor: middle; letter-spacing: .14em; text-transform: uppercase; }
.org-panel { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.org-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.org-tabs button { border: 1px solid var(--linea-oscura); background: transparent; border-radius: 999px; padding: 8px 16px; min-height: 40px; cursor: pointer; color: var(--en-oscuro-2); font-size: 14px; transition: all .25s; }
.org-tabs button[aria-selected="true"] { background: var(--lima); color: var(--tinta); border-color: var(--lima); font-weight: 600; }
.org-detail { background: var(--superficie-oscura); border: 1px solid var(--linea-oscura); border-radius: 24px; padding: clamp(20px, 3vw, 32px); display: flex; flex-direction: column; gap: 16px; min-height: 380px; animation: entra .5s var(--ease); }
@keyframes entra { from { opacity: 0; transform: translateY(10px); } }
.org-detail h3 { font-size: clamp(26px, 3vw, 34px); }
.org-detail .metafora { font: 500 12px var(--mono); color: var(--lima); letter-spacing: .12em; text-transform: uppercase; }
.org-detail .resumen { color: var(--en-oscuro-2); }
.agentes { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.agentes li { border-top: 1px solid var(--linea-oscura); padding-top: 12px; display: grid; gap: 2px; }
.agentes b { font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.agentes span { color: var(--en-oscuro-2); font-size: 15.5px; }
.estado { font: 500 10.5px/18px var(--mono); padding: 0 8px; border-radius: 999px; background: rgba(188, 235, 119, .14); color: var(--lima); letter-spacing: .08em; text-transform: uppercase; }
.estado.germ { background: rgba(240, 176, 98, .14); color: #F0B062; }
.conecta { font-size: 14.5px; color: var(--en-oscuro-2); border-left: 2px solid var(--verde); padding-left: 12px; }
@media (max-width: 900px) { .org-grid { grid-template-columns: minmax(0, 1fr); } .org-detail { min-height: 0; } }

.leyes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(56px, 8vw, 96px); }
.ley { border: 1px solid var(--linea-oscura); border-radius: 24px; padding: 28px; display: flex; flex-direction: column; gap: 10px; background: linear-gradient(180deg, rgba(17, 37, 44, .8), rgba(17, 37, 44, .2)); }
.ley-n { font: 500 13px var(--mono); color: var(--lima); }
.ley h3 { font-size: 24px; }
.ley p { color: var(--en-oscuro-2); font-size: 16px; }
@media (max-width: 860px) { .leyes { grid-template-columns: minmax(0, 1fr); } }

.preguntale { margin-top: 16px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(20px, 4vw, 48px); align-items: center; border-radius: 28px; padding: clamp(24px, 4vw, 48px); background: var(--lima); color: var(--tinta); }
.preguntale .label { color: var(--profundo); }
.preguntale h3 { font-size: clamp(28px, 3.4vw, 42px); margin: 8px 0 12px; }
.preguntale .nota { font: 400 12px var(--mono); color: #3d5a1c; margin-top: 10px; }
.preg-demo { background: var(--tinta); color: var(--en-oscuro); border-radius: 20px; padding: 22px; min-height: 230px; display: flex; flex-direction: column; gap: 14px; font-size: 16px; }
.preg-q { align-self: flex-end; background: var(--profundo); padding: 10px 14px; border-radius: 16px 16px 4px 16px; max-width: 90%; min-height: 44px; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--lima); vertical-align: -2px; margin-left: 2px; animation: parpadeo 1s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.preg-a { background: var(--superficie-oscura); padding: 12px 14px; border-radius: 16px 16px 16px 4px; max-width: 92%; opacity: 0; transform: translateY(6px); transition: all .45s var(--ease); }
.preg-a.on, .preg-acc.on { opacity: 1; transform: none; }
.preg-acc { display: flex; gap: 8px; flex-wrap: wrap; opacity: 0; transform: translateY(6px); transition: all .45s var(--ease) .15s; }
.preg-acc span { border: 1px solid var(--lima); color: var(--lima); border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.preg-acc span:first-child { background: var(--lima); color: var(--tinta); font-weight: 600; }
@media (max-width: 860px) { .preguntale { grid-template-columns: minmax(0, 1fr); } }

/* 4 · Ecosistemas (claro) */
.ecos { background: var(--rocio); color: var(--tinta); padding: clamp(80px, 11vw, 150px) 0; color-scheme: light; }
.ecos .label { color: var(--profundo); }
.ecos .sub { color: var(--pizarra); }
.ecos-rail { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(300px, 420px); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px var(--gutter) 24px; max-width: 1180px; margin: 0 auto; scrollbar-width: thin; }
@media (min-width: 1100px) { .ecos-rail { grid-auto-flow: row; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; } }
.eco { scroll-snap-align: start; background: var(--blanco); border: 1px solid var(--linea); border-radius: 28px; padding: 28px; display: flex; flex-direction: column; gap: 14px; position: relative; overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s; }
.eco:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(14, 30, 36, .35); }
.eco-art { height: 150px; border-radius: 18px; position: relative; overflow: hidden; margin-bottom: 6px; }
.eco-art .b { position: absolute; border-radius: 50%; filter: blur(2px); animation: flota 9s var(--ease) infinite alternate; }
@keyframes flota { to { transform: translate(18px, -14px) scale(1.12); } }
.eco-neko .eco-art { background: #1d1430; }
.eco-neko .b1 { width: 120px; height: 120px; background: #ff7ac6; left: 12%; top: 20%; }
.eco-neko .b2 { width: 80px; height: 80px; background: #8f7bff; right: 18%; top: 10%; animation-delay: -3s; }
.eco-neko .b3 { width: 60px; height: 60px; background: var(--lima); right: 30%; bottom: 8%; animation-delay: -6s; }
.eco-babys .eco-art { background: #fdf3e7; }
.eco-babys .b1 { width: 130px; height: 130px; background: #ffd3b5; left: 10%; top: 14%; }
.eco-babys .b2 { width: 90px; height: 90px; background: #bfe3f5; right: 14%; top: 18%; animation-delay: -4s; }
.eco-babys .b3 { width: 56px; height: 56px; background: #c9ecd9; left: 46%; bottom: 6%; animation-delay: -7s; }
.spark { position: absolute; inset: 0; background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .5), transparent 40%); }
.eco-tu { background: var(--tinta); color: var(--en-oscuro); border-color: var(--tinta); }
.eco-tu .eco-art { background: radial-gradient(circle at 50% 70%, #0f3a33, var(--tinta)); display: grid; place-items: center; }
.seed { width: 26px; height: 26px; border-radius: 50%; background: var(--lima); box-shadow: 0 0 40px 10px rgba(188, 235, 119, .35); animation: latido 2.4s infinite; }
.eco-tag { font: 500 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--profundo); }
.eco-tu .eco-tag { color: var(--lima); }
.eco h3 { font-size: 32px; }
.eco-lead { font-size: 17px; color: var(--pizarra); }
.eco-tu .eco-lead { color: var(--en-oscuro-2); }
.eco dl { margin: 0; display: grid; gap: 4px; }
.eco dt { font: 500 11.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--profundo); margin-top: 8px; }
.eco dd { margin: 0; font-size: 15.5px; color: var(--tinta); }
.eco-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.eco-chips span { font-size: 13px; background: var(--menta); color: var(--profundo); border-radius: 999px; padding: 4px 12px; }
.eco-tu .btn { margin-top: auto; align-self: flex-start; }

/* 5 · ADN */
.adn { padding: clamp(80px, 11vw, 160px) 0; background: var(--noche); }
.adn-grid { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.adn h2 { margin: 14px 0 36px; max-width: 14ch; }
.helix { height: 560px; display: flex; flex-direction: column; justify-content: space-between; align-items: center; perspective: 600px; }
.rung { position: relative; width: 160px; height: 2px; }
.rung::before { content: ""; position: absolute; left: 50%; top: 0; width: var(--w, 100px); height: 2px; background: linear-gradient(90deg, var(--verde), var(--lima)); transform: translateX(-50%); opacity: .35; animation: peldano 4s var(--ease) infinite; animation-delay: var(--d); }
.rung i, .rung b { position: absolute; top: -6px; left: 50%; width: 14px; height: 14px; border-radius: 50%; animation: hebra 4s ease-in-out infinite; animation-delay: var(--d); }
.rung i { background: var(--lima); }
.rung b { background: var(--verde); animation-name: hebra2; }
@keyframes hebra { 0%, 100% { transform: translateX(-80px) scale(1); } 50% { transform: translateX(66px) scale(.6); opacity: .6; } }
@keyframes hebra2 { 0%, 100% { transform: translateX(66px) scale(.6); opacity: .6; } 50% { transform: translateX(-80px) scale(1); opacity: 1; } }
@keyframes peldano { 0%, 100% { width: 146px; } 25%, 75% { width: 4px; } 50% { width: 146px; } }
.genes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; counter-reset: g; }
.genes li { color: var(--en-oscuro-2); font-size: 16px; display: grid; gap: 6px; padding-top: 16px; border-top: 1px solid var(--linea-oscura); counter-increment: g; }
.genes li span { color: var(--en-oscuro); font-weight: 600; font-size: 21px; letter-spacing: -0.01em; }
.genes li span::before { content: counter(g, decimal-leading-zero) "  "; font: 500 12px var(--mono); color: var(--lima); vertical-align: 3px; }
@media (max-width: 860px) {
  .adn-grid { grid-template-columns: minmax(0, 1fr); }
  .helix { height: 120px; flex-direction: row; transform: none; width: 100%; overflow: hidden; }
  .rung { width: 2px; height: 120px; }
  .rung::before { display: none; }
  .rung i, .rung b { left: -6px; top: 50%; }
  .genes { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  .rung i { animation-name: hebraV; } .rung b { animation-name: hebraV2; }
}
@keyframes hebraV { 0%, 100% { transform: translateY(-50px) scale(1); } 50% { transform: translateY(40px) scale(.6); opacity: .6; } }
@keyframes hebraV2 { 0%, 100% { transform: translateY(40px) scale(.6); opacity: .6; } 50% { transform: translateY(-50px) scale(1); opacity: 1; } }

/* 6 · Germinación */
.germina { background: var(--rocio); color: var(--tinta); padding: clamp(80px, 11vw, 150px) 0; color-scheme: light; }
.germina .label { color: var(--profundo); }
.etapas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.etapas::before { content: ""; position: absolute; top: 34px; left: 34px; right: 34px; height: 2px; background: repeating-linear-gradient(90deg, var(--verde) 0 8px, transparent 8px 16px); }
.etapas li { position: relative; display: flex; flex-direction: column; gap: 10px; }
.etapas h3 { font-size: 26px; }
.etapas p { color: var(--pizarra); font-size: 16px; }
.e-ic { width: 68px; height: 68px; border-radius: 50%; background: var(--blanco); border: 2px solid var(--verde); position: relative; display: block; }
.e-ic::after { content: ""; position: absolute; left: 50%; top: 50%; border-radius: 50%; background: var(--verde); transform: translate(-50%, -50%); }
.e1::after { width: 12px; height: 12px; }
.e2::after { width: 22px; height: 22px; }
.e3::after { width: 34px; height: 34px; background: radial-gradient(circle, var(--lima), var(--verde)); }
.e4 { background: var(--tinta); border-color: var(--tinta); }
.e4::after { width: 44px; height: 44px; background: radial-gradient(circle, var(--lima) 0 30%, var(--verde) 31% 55%, transparent 56%); box-shadow: 0 0 24px rgba(188, 235, 119, .6); }
@media (max-width: 860px) {
  .etapas { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .etapas::before { top: 34px; bottom: 34px; left: 33px; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--verde) 0 8px, transparent 8px 16px); }
  .etapas li { padding-left: 88px; min-height: 68px; }
  .e-ic { position: absolute; left: 0; top: 0; }
}

/* Cierre */
.final { position: relative; overflow: hidden; padding: clamp(100px, 14vw, 200px) 0; background: var(--noche); text-align: center; }
.final-orb { position: absolute; left: 50%; top: 50%; width: min(900px, 140vw); aspect-ratio: 1; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(188, 235, 119, .22) 0%, rgba(20, 157, 128, .18) 30%, transparent 62%); animation: respiraOrb 7s ease-in-out infinite; }
@keyframes respiraOrb { 50% { transform: translate(-50%, -50%) scale(1.08); } }
.final-404 { min-height: 100svh; display: grid; place-items: center; }
.final-inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.final h2 { font-size: clamp(36px, 6.4vw, 84px); }
.final p { color: var(--en-oscuro-2); font-size: 19px; max-width: 46ch; }
.final .hero-cta { justify-content: center; }
.foot { border-top: 1px solid var(--linea-oscura); padding: 32px 0 120px; background: var(--noche); }
.foot-inner { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; color: var(--en-oscuro-2); font-size: 14px; }
.foot img { height: 26px; width: auto; }

/* Aparición al entrar en pantalla */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Dalia ---------- */
.dalia-orb { position: fixed; right: max(18px, env(safe-area-inset-right, 0px)); bottom: max(18px, env(safe-area-inset-bottom, 0px)); z-index: 60; width: 66px; height: 66px; border-radius: 50%; border: 0; cursor: pointer; background: transparent; padding: 0; transition: transform .35s var(--ease), opacity .3s; }
.dalia-orb:hover { transform: scale(1.06); }
.orb-core { position: absolute; inset: 6px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--lima), var(--verde) 55%, var(--profundo)); box-shadow: 0 12px 40px -6px rgba(20, 157, 128, .8); animation: orbe 5s ease-in-out infinite; }
.orb-ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(188, 235, 119, .6); animation: halo 2.8s var(--ease) infinite; transform-origin: center; }
@keyframes orbe { 50% { border-radius: 46% 54% 52% 48% / 52% 46% 54% 48%; transform: rotate(8deg); } }
.dalia-orb[aria-expanded="true"] { opacity: 0; pointer-events: none; transform: scale(.6); }
.dalia-teaser { position: fixed; right: 96px; bottom: 30px; z-index: 59; max-width: 240px; background: var(--blanco); color: var(--tinta); padding: 12px 16px; border-radius: 18px 18px 4px 18px; font-size: 15px; box-shadow: 0 16px 40px -12px rgba(0, 0, 0, .5); cursor: pointer; animation: entra .5s var(--ease); }
.dalia { position: fixed; z-index: 70; right: 20px; bottom: 20px; width: min(400px, calc(100vw - 40px)); height: min(640px, calc(100svh - 40px)); display: flex; flex-direction: column; background: var(--tinta); border: 1px solid var(--linea-oscura); border-radius: 26px; box-shadow: 0 40px 100px -20px rgba(0, 0, 0, .7); overflow: hidden; animation: abre .45s var(--ease); }
.dalia[hidden] { display: none; }
@keyframes abre { from { opacity: 0; transform: translateY(20px) scale(.97); } }
.dalia-head { display: flex; align-items: center; gap: 12px; padding: 16px 16px 14px 18px; border-bottom: 1px solid var(--linea-oscura); }
.dalia-head h2 { font-size: 18px; letter-spacing: 0; }
.dalia-head p { font-size: 12.5px; color: var(--en-oscuro-2); }
.dalia-av { width: 40px; height: 40px; flex: none; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--lima), var(--verde) 55%, var(--profundo)); animation: orbe 5s ease-in-out infinite; }
.dalia-x { margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 0; background: transparent; font-size: 28px; line-height: 1; cursor: pointer; color: var(--en-oscuro-2); }
.dalia-x:hover { background: var(--superficie-oscura); color: var(--en-oscuro); }
.dalia-log { flex: 1; overflow-y: auto; padding: 18px 16px 8px; display: flex; flex-direction: column; gap: 10px; overscroll-behavior: contain; }
.msg { max-width: 86%; padding: 10px 14px; border-radius: 18px; font-size: 15.5px; line-height: 1.45; animation: entra .35s var(--ease); white-space: pre-line; overflow-wrap: anywhere; }
.msg.d { background: var(--superficie-oscura); border-bottom-left-radius: 4px; align-self: flex-start; }
.msg.u { background: var(--profundo); border-bottom-right-radius: 4px; align-self: flex-end; color: var(--blanco); }
.msg.ok { background: var(--lima); color: var(--tinta); }
.msg.err { background: #3a2410; color: #F0B062; }
.msg .areas { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.msg .areas span { background: var(--lima); color: var(--tinta); font-weight: 600; font-size: 13px; padding: 2px 10px; border-radius: 999px; }
.typing { display: inline-flex; gap: 4px; padding: 14px 16px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--en-oscuro-2); animation: salto 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes salto { 30% { transform: translateY(-5px); opacity: 1; } 0%, 60%, 100% { opacity: .4; } }
.dalia-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 16px 10px; max-height: 40%; overflow-y: auto; }
.dalia-chips:empty { display: none; }
.dalia-chips button { border: 1px solid var(--verde); background: transparent; color: var(--en-oscuro); border-radius: 999px; padding: 8px 14px; min-height: 40px; font-size: 14.5px; cursor: pointer; transition: all .2s; text-align: left; }
.dalia-chips button:hover { background: rgba(20, 157, 128, .18); }
.dalia-chips button[aria-pressed="true"] { background: var(--verde); color: var(--blanco); }
.dalia-chips button.prim { background: var(--lima); color: var(--tinta); border-color: var(--lima); font-weight: 600; }
.dalia-form { display: flex; gap: 8px; padding: 10px 12px max(12px, env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--linea-oscura); }
.dalia-form input[name="mensaje"] { flex: 1; min-width: 0; height: 48px; border-radius: 999px; border: 1px solid var(--linea-oscura); background: var(--noche); color: var(--en-oscuro); padding: 0 18px; font: inherit; font-size: 16px; }
.dalia-form input[name="mensaje"]:focus { outline: none; border-color: var(--verde); }
.dalia-form button { width: 48px; height: 48px; flex: none; border-radius: 50%; border: 0; background: var(--lima); color: var(--tinta); font-size: 20px; font-weight: 700; cursor: pointer; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
@media (max-width: 560px) {
  .dalia { inset: auto 0 0 0; width: 100%; height: 88svh; border-radius: 24px 24px 0 0; border-bottom: 0; animation-name: sube; }
  @keyframes sube { from { transform: translateY(100%); } }
  .dalia-teaser { right: 90px; bottom: 26px; max-width: calc(100vw - 120px); font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .manifiesto { height: auto; }
  .manifiesto-text .w { color: var(--en-oscuro); }
}