/* Diseño de lectura para pantallas pequeñas. */
@media screen and (max-width:900px){
 html{scroll-padding-top:20px}
 .hero{display:flex;flex-direction:column;min-height:0;height:auto;padding-bottom:24px}
 .hero-copy{order:1;width:100%;max-width:none;padding:42px 28px 0;pointer-events:auto}
 .hero-copy h1{font-size:clamp(28px,7.7vw,54px);letter-spacing:-1px;line-height:1.15;max-width:100%;overflow-wrap:normal}
 .hero-copy .eyebrow{font-size:11px;line-height:1.7;letter-spacing:1.2px}
 .subtitle{font-size:18px;line-height:1.6;max-width:540px}
 .intro{font-size:16px;line-height:1.75;max-width:none;margin:20px 0 24px}
 .hero .primary{min-height:48px;font-size:15px;padding:14px 20px}
 .hero-meta{position:static;display:flex;flex-wrap:wrap;gap:16px 24px;font-size:13px;line-height:1.6;margin:28px 0 0}
 .hero-meta span{display:flex;align-items:baseline;gap:7px}
 .hero-meta b{font-size:23px;margin:0;flex-shrink:0}
 .portal-scene{order:2;position:relative;inset:auto;z-index:0;width:min(72%,390px);height:auto;aspect-ratio:1.05;margin:38px auto 25px;opacity:1;flex-shrink:0}
 .portal-caption{font-size:10px;line-height:1.5;letter-spacing:1px;bottom:-22px;left:0;right:0;text-align:center}
 .portal-planet{inset:23%}
 .cosmos{opacity:.55}
 .hero-shade{background:linear-gradient(180deg,#100a28d9,transparent 72%,#100a28)}
 .cosmic-orbit{opacity:.25}
 .hero .art-tag{display:none}
 .mission-layout{grid-template-columns:220px minmax(0,1fr)}
 .mission-layout aside,.content-column,.section-intro>div,.map-heading>div,.support-card,.closing>div{min-width:0}
 .eyebrow,.panel-counter,.file-type,.support-count{font-size:11px;line-height:1.6;letter-spacing:1px}
 .original p,.original li{font-size:16px;line-height:1.8}
 .original summary{font-size:16px;line-height:1.6;min-width:0}
 .original summary::after{flex-shrink:0}
 .original .alert{padding:15px}
 .section-intro p,.map-heading p,.support-card p{font-size:15px;line-height:1.7}
 .mission-panel h2{font-size:24px;line-height:1.4;overflow-wrap:anywhere}
 .panel-top{align-items:flex-start;gap:14px;flex-wrap:wrap}
 .route-label{font-size:14px;line-height:1.5;overflow-wrap:anywhere}
 .route-label small{font-size:10px;line-height:1.7;letter-spacing:.8px}
 .route-number{font-size:12px;min-width:31px;flex-shrink:0}
 .route-btn{min-height:60px;gap:12px;padding:13px}
 .support-card a,.secondary,.review,.mission-controls .primary{font-size:14px;min-height:46px;line-height:1.5;white-space:normal}
 .map-help{font-size:13px;line-height:1.75}
 .map-status{font-size:11px;line-height:1.5;letter-spacing:1px}
 .world-label small{font-size:10px;letter-spacing:.7px;line-height:1.7}
 .world-label strong{font-size:17px;line-height:1.5}
 .world-action{font-size:13px;line-height:1.6}
 .planet-number{font-size:12px}
 .gantt-download{font-size:14px;line-height:1.6;padding:13px 16px;overflow-wrap:anywhere}
 .aside-note{font-size:12px;line-height:1.7}
 .progress-row{font-size:13px;gap:15px;flex-wrap:wrap}
 .progress-row button{font-size:13px;min-height:44px;padding:8px}
 footer{font-size:11px;line-height:1.8;letter-spacing:.5px}
 footer button{font-size:13px;min-height:44px;padding:8px 0}
}
@media screen and (max-width:650px){
 .topbar{display:flex;flex-direction:column;align-items:stretch;height:auto;padding:18px 20px;gap:16px}
 .brand{font-size:16px;letter-spacing:1.2px;gap:12px;align-self:flex-start}
 .brand small{font-size:10px;line-height:1.7;letter-spacing:.5px;margin-top:3px}
 .brand .cube{font-size:36px}
 .header-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%}
 .support-nav{grid-column:1/-1;max-width:none;font-size:14px;line-height:1.5;letter-spacing:0;min-height:44px;padding:10px 12px;border:1px solid #d48dfa45;border-radius:8px;background:#bd67eb12;display:flex;justify-content:center;align-items:center;white-space:normal}
 .motion-toggle,.doclink{display:flex;justify-content:center;align-items:center;gap:7px;font-size:13px;min-height:46px;padding:10px 7px;border:1px solid #ffffff20;border-radius:8px;white-space:normal;text-align:center;line-height:1.5}
 .motion-toggle span,.doclink span{display:inline}
 .hero-copy{padding:32px 20px 0}
 .hero-copy h1{margin:22px 0 20px;font-size:clamp(28px,8vw,44px);letter-spacing:-.8px;line-height:1.18}
 .hero-copy .eyebrow{font-size:11px;letter-spacing:.6px}
 .subtitle{font-size:17px;line-height:1.65;max-width:none}
 .intro{font-size:16px;line-height:1.7;margin:18px 0 24px}
 .hero .primary{width:100%;gap:16px}
 .hero-meta{display:grid;grid-template-columns:1fr;gap:12px;margin-top:25px;font-size:14px}
 .portal-scene{width:min(75%,310px);margin:35px auto 25px}
 .sat-a{width:36px;height:36px}
 .sat-b{width:25px;height:25px}
 .portal-caption{font-size:10px;bottom:-22px;letter-spacing:.6px}
 .universe-map{padding:28px 20px;margin-bottom:20px}
 .map-heading{gap:16px}
 .map-heading h2{font-size:29px;line-height:1.3;letter-spacing:-.7px}
 .planet-grid{grid-template-columns:minmax(0,1fr);gap:15px;margin-top:24px}
 .planet-card{display:grid;grid-template-columns:108px minmax(0,1fr);align-items:center;gap:14px;text-align:left;min-height:165px;height:auto;padding:16px 13px;border-radius:18px;transform:none;overflow:hidden}
 .planet-visual{width:108px;height:128px;min-width:0}
 .world-sphere{width:75px;height:75px}
 .planet-halo{width:100px;height:100px}
 .world-orbit{width:110px;height:42px}
 .world-3 .world-orbit{width:112px;height:42px;border-width:5px}
 .world-5 .world-orbit{border-width:4px}
 .planet-number{top:0;left:0;font-size:12px}
 .moon{right:4px;top:15px;width:8px;height:8px}
 .world-label{min-width:0;padding-right:3px}
 .world-label small{font-size:10px;letter-spacing:.45px;line-height:1.65;overflow-wrap:anywhere}
 .world-label strong{font-size:18px;line-height:1.4;overflow-wrap:anywhere}
 .world-action{font-size:13px;line-height:1.6;margin-top:12px}
 .world-reviewed{top:10px;right:10px;font-size:12px}
 .map-help{font-size:14px;line-height:1.75;padding:16px;margin-top:20px}
 .workspace{padding:15px 20px 40px}
 .section-intro{gap:18px}
 h2,.section-intro h2{font-size:28px;line-height:1.35;letter-spacing:-.7px;overflow-wrap:anywhere}
 .section-intro p,.map-heading p{font-size:16px;line-height:1.7}
 .section-intro .secondary{font-size:14px;min-height:46px;padding:12px 16px;width:100%}
 .progress-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 12px;padding:20px 0;margin-bottom:24px}
 #progress-text{font-size:14px;line-height:1.5}
 .progress-track{grid-row:2;grid-column:1/-1;width:100%;height:6px}
 .progress-row button{grid-column:2;grid-row:1;font-size:13px}
 .mission-layout{display:block}
 nav{grid-template-columns:minmax(0,1fr);gap:9px;margin-bottom:22px}
 .route-btn{min-height:62px;padding:13px 14px;text-align:left;gap:13px}
 .route-label{font-size:15px;line-height:1.5}
 .route-label small{font-size:11px;line-height:1.6;letter-spacing:.5px;margin-bottom:2px}
 .route-number{font-size:13px;min-width:34px;padding:5px}
 .route-check{font-size:15px}
 .support-route{grid-column:auto;justify-content:flex-start;margin-top:6px}
 .aside-note{display:flex;font-size:13px;margin:0 6px 24px;line-height:1.7}
 .mission-panel{padding:23px 17px;border-radius:14px;min-width:0;scroll-margin-top:18px}
 .mission-panel h2{font-size:23px;line-height:1.45;margin-bottom:22px;letter-spacing:-.3px}
 .panel-top{gap:8px;margin-bottom:18px}
 .panel-top .eyebrow,.panel-counter{font-size:11px;line-height:1.6;letter-spacing:.6px}
 .original p,.original li{font-size:16px;line-height:1.8;overflow-wrap:anywhere}
 .original ul{padding-left:22px}
 .original summary{font-size:16px;line-height:1.6;padding:16px 13px;align-items:flex-start;gap:10px}
 .original summary::after{font-size:24px;line-height:1.2}
 .detail-content{padding:5px 13px 16px}
 .original .alert{padding:14px 12px}
 .mission-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
 .mission-controls button{width:100%;font-size:14px;min-height:48px;padding:13px 10px;line-height:1.5}
 .mission-controls .review{grid-column:1/-1;order:3;font-size:15px}
 .support-files{padding:0 20px;margin-bottom:40px}
 .support-grid{grid-template-columns:minmax(0,1fr);gap:18px}
 .support-card{padding:24px 20px}
 .file-type{font-size:11px;line-height:1.6;letter-spacing:1px}
 .support-card h3{font-size:21px;line-height:1.45}
 .support-card p{font-size:16px;line-height:1.75}
 .support-card a{font-size:15px;min-height:48px;width:100%;padding:13px}
 .gantt-download{width:100%;font-size:14px;line-height:1.6;padding:14px 12px}
 .closing{display:grid;grid-template-columns:30px minmax(0,1fr);gap:16px;margin:0 20px 32px;padding:25px 0;align-items:start}
 .closing .cube{font-size:30px}
 .closing .eyebrow{font-size:11px;line-height:1.6;letter-spacing:.7px}
 .closing p{font-size:16px;line-height:1.75;margin-top:10px}
 .closing .secondary{grid-column:1/-1;margin:0;font-size:15px;min-height:48px;line-height:1.5;width:100%;white-space:normal}
 footer{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:0 20px;font-size:11px;line-height:1.7;letter-spacing:.4px}
 footer button{font-size:14px;min-height:46px}
 #toast{width:calc(100% - 32px);max-width:420px;font-size:14px;line-height:1.6;padding:12px 16px;text-align:center}
}