:root{--white:#fff;--ink:#171719;--muted:#85858b;--soft:#f3f3f4;--line:#dedee1;--mid:#b8b8bd;--app-width:480px;--vh:1vh}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overscroll-behavior:none}body{min-height:100vh;min-height:100dvh}button,input{font:inherit}button{cursor:pointer}.site-stage{min-height:100vh;min-height:100dvh;background:#fff;display:flex;justify-content:center}.app-shell{position:relative;width:min(100%,var(--app-width));height:100vh;height:100dvh;min-height:620px;background:#fff;overflow:hidden;border-inline:1px solid transparent}.welcome-screen,.music-screen,.full-player{position:absolute;inset:0;background:#fff;transition:transform .48s cubic-bezier(.22,.8,.2,1),opacity .35s ease;will-change:transform,opacity}.welcome-screen{z-index:5;display:flex;flex-direction:column;padding:calc(18px + env(safe-area-inset-top)) 26px calc(18px + env(safe-area-inset-bottom));transform:translateX(0);opacity:1}.welcome-screen.is-hidden{transform:translateX(-100%);opacity:0;pointer-events:none}.welcome-topbar,.app-header{display:flex;align-items:center;justify-content:space-between;min-height:46px}.icon-button{width:40px;height:40px;border:0;background:transparent;display:grid;align-content:center;gap:5px;padding:8px}.icon-button span{display:block;width:23px;height:2px;background:var(--ink);border-radius:9px}.profile-mark{width:38px;height:38px;border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;letter-spacing:.04em}.profile-mark.big{width:70px;height:70px;font-size:18px;margin-bottom:28px}.welcome-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:0}.wellness-illustration{width:min(94%,390px);max-height:42vh;display:grid;place-items:center;margin-top:5px}.wellness-illustration svg{display:block;width:100%;height:auto;max-height:100%}.welcome-copy{text-align:center;margin-top:4px;max-width:390px}.overline{font-size:9px;letter-spacing:.34em;font-weight:700;color:#8b8b91}.welcome-copy h1{font-size:clamp(36px,9.5vw,48px);line-height:.9;letter-spacing:-.055em;margin:16px 0 15px}.welcome-copy h2{font-size:17px;font-weight:500;color:#606066;margin:0}.welcome-copy h2 i{display:inline-block;width:1px;height:18px;background:#aaa;vertical-align:-4px;margin:0 10px}.welcome-copy p{font-size:13px;line-height:1.6;color:#7a7a80;margin:20px auto 0;max-width:350px}.welcome-footer{display:flex;flex-direction:column;align-items:center;gap:13px}.welcome-dots{display:flex;gap:10px;margin-bottom:3px}.welcome-dots i,.welcome-dots b{width:12px;height:12px;border-radius:50%;background:#c4c4c9}.welcome-dots b{background:var(--ink)}.enter-button{border:0;width:100%;height:54px;border-radius:28px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 24px;font-weight:700}.enter-button b{width:38px;height:38px;background:#fff;color:#111;border-radius:50%;display:grid;place-items:center;font-size:19px}.welcome-footer small{font-size:12px;color:#9a9aa0}.music-screen{z-index:3;transform:translateX(100%);opacity:0;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top)}.music-screen.is-active{transform:translateX(0);opacity:1}.app-header{padding:12px 18px 10px;border-bottom:1px solid #f0f0f1;flex:none}.app-brand{text-align:center;display:flex;flex-direction:column}.app-brand strong{font-size:13px;letter-spacing:.04em}.app-brand span{font-size:8px;letter-spacing:.22em;color:#999;text-transform:uppercase;margin-top:3px}.screen-scroll{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:12px 18px calc(154px + env(safe-area-inset-bottom));scrollbar-width:none}.screen-scroll::-webkit-scrollbar{display:none}.hero-player-card{height:280px;border-radius:26px;position:relative;overflow:hidden;background:#eee;box-shadow:0 12px 30px rgba(0,0,0,.08);cursor:pointer}.hero-player-card>img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%)}.hero-player-card:after{content:"";position:absolute;inset:32% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.78))}.hero-overlay{position:absolute;left:22px;right:76px;bottom:22px;color:#fff;z-index:2}.hero-overlay span{font-size:8px;letter-spacing:.2em}.hero-overlay h2{font-size:29px;line-height:1;margin:9px 0 5px;letter-spacing:-.03em}.hero-overlay p{font-size:12px;margin:0;color:#ddd}.round-play{position:absolute;right:20px;bottom:20px;z-index:3;width:52px;height:52px;border-radius:50%;border:0;background:#fff;color:#111;padding-left:4px;font-size:17px}.section-block{padding-top:30px}.section-title-row{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-title-row h3{font-size:24px;letter-spacing:-.035em;margin:6px 0 0}.text-action{border:1px solid #d3d3d6;background:#fff;border-radius:18px;padding:8px 12px;font-size:10px;color:#555}.quick-list{display:grid;gap:10px}.quick-item{display:grid;grid-template-columns:58px 1fr 38px;gap:12px;align-items:center;min-height:70px;border:1px solid #ececef;border-radius:18px;padding:6px;background:#fff;box-shadow:0 5px 16px rgba(0,0,0,.035);cursor:pointer}.quick-item>img{width:58px;height:58px;border-radius:13px;object-fit:cover;filter:grayscale(100%)}.quick-item div{min-width:0}.quick-item strong,.quick-item span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quick-item strong{font-size:14px}.quick-item span{font-size:10px;color:#929298;margin-top:5px}.item-play{width:34px;height:34px;border-radius:50%;border:0;background:#f2f2f3;color:#111}.category-chips{display:flex;gap:8px;overflow-x:auto;margin:0 -18px 16px;padding:0 18px;scrollbar-width:none}.category-chips::-webkit-scrollbar{display:none}.chip{flex:none;border:1px solid #d8d8db;background:#fff;border-radius:18px;padding:8px 15px;font-size:11px}.chip.is-active{background:#111;color:#fff;border-color:#111}.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.library-card{min-width:0}.library-cover{position:relative;width:100%;aspect-ratio:1;border:0;border-radius:18px;overflow:hidden;padding:0;background:#eee}.library-cover img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%)}.library-cover span{position:absolute;right:10px;bottom:10px;width:38px;height:38px;border-radius:50%;background:#fff;display:grid;place-items:center;color:#111;box-shadow:0 7px 20px rgba(0,0,0,.14);padding-left:2px}.library-copy{padding:10px 3px}.library-copy small,.library-copy strong{display:block}.library-copy small{font-size:8px;letter-spacing:.11em;color:#999}.library-copy strong{font-size:14px;margin:5px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.info-button{border:0;background:none;padding:0;color:#777;font-size:10px;text-decoration:underline}.mini-player{position:absolute;left:10px;right:10px;bottom:calc(68px + env(safe-area-inset-bottom));height:66px;background:#1c1c1e;color:#fff;border-radius:17px;display:grid;grid-template-columns:50px 1fr 46px;align-items:center;gap:10px;padding:8px;z-index:15;transform:translateY(140px);transition:.35s;box-shadow:0 14px 32px rgba(0,0,0,.23)}.mini-player.is-active{transform:translateY(0)}.mini-player img{width:50px;height:50px;border-radius:11px;object-fit:cover;filter:grayscale(100%)}.mini-meta{min-width:0;text-align:left;border:0;background:none;color:#fff;padding:0}.mini-meta strong,.mini-meta span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-meta strong{font-size:13px}.mini-meta span{font-size:9px;color:#aaa;margin-top:4px}.mini-toggle{border:0;background:none;color:#fff;font-size:22px}.bottom-nav{position:absolute;left:0;right:0;bottom:0;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.96);border-top:1px solid #e5e5e7;display:grid;grid-template-columns:repeat(4,1fr);z-index:10;backdrop-filter:blur(18px)}.nav-item{border:0;background:none;color:#85858b;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.nav-item span{font-size:23px;line-height:1}.nav-item small{font-size:9px}.nav-item.is-active{color:#111}.full-player{z-index:30;transform:translateY(100%);opacity:1;padding:calc(12px + env(safe-area-inset-top)) 24px calc(22px + env(safe-area-inset-bottom));display:flex;flex-direction:column}.full-player.is-active{transform:translateY(0)}.full-player header{height:48px;display:flex;align-items:center;justify-content:space-between}.full-player header button{width:40px;height:40px;border:0;background:none;font-size:25px}.full-player header span{font-size:9px;letter-spacing:.2em}.more-button{font-size:16px!important}.full-media{width:100%;aspect-ratio:1;margin:18px auto 24px;border-radius:24px;overflow:hidden;background:#eee;position:relative;box-shadow:0 18px 45px rgba(0,0,0,.12)}.full-media img,.full-media video{width:100%;height:100%;object-fit:cover;filter:grayscale(100%)}.full-media video{display:none;background:#000}.full-copy h2{text-align:center;font-size:27px;line-height:1.05;margin:0 0 7px}.full-copy p{text-align:center;color:#86868c;font-size:13px;margin:0}.full-progress{margin-top:28px}.full-progress input{width:100%;accent-color:#111}.full-progress div{display:flex;justify-content:space-between;font-size:10px;color:#8f8f95;margin-top:4px}.full-controls{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.full-controls button{border:0;background:none;font-size:18px;color:#111}.main-toggle{width:66px;height:66px;border-radius:50%;background:#111!important;color:#fff!important;font-size:23px!important;padding-left:4px}.player-quote{text-align:center;font-size:11px;line-height:1.5;color:#999;margin:auto 20px 0}.side-menu,.search-sheet,.detail-sheet{position:absolute;inset:0;z-index:50;pointer-events:none}.side-menu.is-active,.search-sheet.is-active,.detail-sheet.is-active{pointer-events:auto}.menu-backdrop,.sheet-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.26);opacity:0;transition:.25s}.side-menu.is-active .menu-backdrop,.detail-sheet.is-active .sheet-backdrop{opacity:1}.menu-panel{position:absolute;left:0;top:0;bottom:0;width:82%;background:#fff;padding:calc(54px + env(safe-area-inset-top)) 30px 30px;transform:translateX(-102%);transition:.35s;box-shadow:15px 0 40px rgba(0,0,0,.12)}.side-menu.is-active .menu-panel{transform:translateX(0)}.menu-close,.sheet-close{position:absolute;right:18px;top:calc(12px + env(safe-area-inset-top));width:38px;height:38px;border:0;background:#f1f1f2;border-radius:50%;font-size:23px}.menu-panel h2{font-size:36px;line-height:.94;letter-spacing:-.05em;margin:16px 0}.menu-panel p{color:#777}.menu-panel a{display:inline-block;margin-top:40px;background:#111;color:#fff;text-decoration:none;border-radius:23px;padding:13px 18px;font-size:11px}.search-sheet{background:#fff;transform:translateY(100%);transition:.35s;padding-top:env(safe-area-inset-top)}.search-sheet.is-active{transform:translateY(0)}.search-head{height:65px;display:grid;grid-template-columns:45px 1fr;align-items:center;padding:8px 16px;border-bottom:1px solid #eee}.search-head button{border:0;background:none;font-size:22px}.search-head input{height:42px;border:0;border-radius:21px;background:#f1f1f2;padding:0 16px;outline:none}.search-results{padding:18px;display:grid;gap:10px;overflow-y:auto;max-height:calc(100% - 65px)}.search-result{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:center;border:0;background:#fff;text-align:left;padding:5px;border-bottom:1px solid #eee}.search-result img{width:52px;height:52px;border-radius:12px;object-fit:cover;filter:grayscale(100%)}.search-result strong,.search-result span{display:block}.search-result span{font-size:10px;color:#999;margin-top:4px}.sheet-panel{position:absolute;left:0;right:0;bottom:0;max-height:90%;overflow-y:auto;background:#fff;border-radius:26px 26px 0 0;padding:18px 24px calc(28px + env(safe-area-inset-bottom));transform:translateY(102%);transition:.35s}.detail-sheet.is-active .sheet-panel{transform:translateY(0)}.sheet-handle{width:42px;height:5px;border-radius:4px;background:#d5d5d8;margin:0 auto 18px}.sheet-close{top:14px}.sheet-panel>img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;filter:grayscale(100%);margin-bottom:22px}.sheet-panel h2{font-size:31px;letter-spacing:-.04em;margin:8px 0 26px}.sheet-panel h4{font-size:10px;letter-spacing:.15em;text-transform:uppercase;margin:22px 0 8px}.sheet-panel p,.sheet-panel li{font-size:13px;line-height:1.65;color:#666}.sheet-panel ul{padding-left:18px}.sheet-play{width:100%;height:50px;border:0;border-radius:25px;background:#111;color:#fff;font-weight:700;margin-top:15px}@media(min-width:700px){.site-stage{background:#fff}.app-shell{border-inline:1px solid #eee;box-shadow:0 0 45px rgba(0,0,0,.07)}.welcome-screen{padding-inline:38px}.screen-scroll{padding-inline:22px}.hero-player-card{height:320px}}@media(max-height:720px){.wellness-illustration{max-height:34vh}.welcome-copy h1{font-size:34px}.welcome-copy p{margin-top:12px}.welcome-footer{gap:8px}.hero-player-card{height:235px}}@media(max-width:380px){.welcome-screen{padding-inline:19px}.screen-scroll{padding-inline:13px}.library-grid{gap:16px 9px}.hero-player-card{height:245px}.full-player{padding-inline:18px}}

/* Portada personalizada Dra. Silvia Correa */
.ai-orb{position:relative;width:46px;height:46px;border:0;border-radius:50%;padding:0;background:transparent;display:grid;place-items:center;isolation:isolate;filter:drop-shadow(0 7px 13px rgba(23,23,25,.18));animation:aiOrbFloat 3.2s ease-in-out infinite}
.ai-orb-ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,#151517 0 20%,#b9b9bf 20% 34%,#151517 34% 60%,#e1e1e4 60% 74%,#151517 74% 100%);animation:aiOrbSpin 4.8s linear infinite;z-index:-2}
.ai-orb-ring:after{content:"";position:absolute;inset:2px;border-radius:inherit;background:#fff}
.ai-orb-core{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#fff 0 20%,#f4f4f5 56%,#dedee2 100%);color:#171719;box-shadow:inset 0 0 0 1px rgba(255,255,255,.95),0 0 0 1px rgba(23,23,25,.08)}
.ai-orb-core svg{width:23px;height:23px;animation:aiOrbBreathe 2s ease-in-out infinite}
.ai-orb-status{position:absolute;right:0;bottom:2px;width:10px;height:10px;border-radius:50%;background:#171719;border:2px solid #fff;box-shadow:0 0 0 0 rgba(23,23,25,.35);animation:aiOrbPulse 1.8s infinite}
.ai-orb:hover{transform:scale(1.06)}
.doctor-portrait{position:relative;width:min(67vw,286px);aspect-ratio:1;margin:4px auto 8px;display:grid;place-items:center}
.doctor-portrait-halo{position:absolute;inset:-9px;border-radius:50%;background:conic-gradient(from 210deg,#ececef,#171719 19%,#dedee1 37%,#171719 54%,#f5f5f6 74%,#8d8d93 88%,#ececef);animation:portraitHalo 15s linear infinite;opacity:.95}
.doctor-portrait-halo:after{content:"";position:absolute;inset:4px;border-radius:inherit;background:#fff}
.doctor-portrait-frame{position:relative;width:calc(100% - 10px);height:calc(100% - 10px);border-radius:50%;overflow:hidden;background:#eee;box-shadow:0 22px 42px rgba(20,20,22,.18),inset 0 0 0 1px rgba(255,255,255,.8);z-index:1}
.doctor-portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.doctor-portrait-frame:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.75),inset 0 -28px 45px rgba(0,0,0,.06);pointer-events:none}
.doctor-portrait-accent{position:absolute;border-radius:50%;background:#171719;z-index:2;box-shadow:0 5px 14px rgba(0,0,0,.16)}
.doctor-portrait-accent-one{width:13px;height:13px;right:3%;top:18%;animation:portraitAccent 3.4s ease-in-out infinite}
.doctor-portrait-accent-two{width:7px;height:7px;left:1%;bottom:24%;background:#b8b8bd;animation:portraitAccent 3.4s ease-in-out infinite reverse}
.welcome-copy{margin-top:9px}
.welcome-copy h1{font-size:clamp(34px,9vw,46px);line-height:.98;letter-spacing:-.052em;margin:14px 0 14px;text-transform:none}
.welcome-copy p strong{color:#4d4d52;font-weight:800}
@keyframes aiOrbSpin{to{transform:rotate(360deg)}}
@keyframes aiOrbFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes aiOrbBreathe{0%,100%{transform:scale(.94);opacity:.82}50%{transform:scale(1.05);opacity:1}}
@keyframes aiOrbPulse{0%{box-shadow:0 0 0 0 rgba(23,23,25,.35)}70%{box-shadow:0 0 0 7px rgba(23,23,25,0)}100%{box-shadow:0 0 0 0 rgba(23,23,25,0)}}
@keyframes portraitHalo{to{transform:rotate(360deg)}}
@keyframes portraitAccent{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-7px) scale(1.12)}}
@media(max-height:760px){.doctor-portrait{width:min(50vw,210px);margin-top:0}.welcome-copy h1{font-size:32px;margin:10px 0}.welcome-copy p{margin-top:11px;line-height:1.45}.welcome-content{justify-content:flex-start;padding-top:5px}}
@media(prefers-reduced-motion:reduce){.ai-orb,.ai-orb-ring,.ai-orb-core svg,.ai-orb-status,.doctor-portrait-halo,.doctor-portrait-accent{animation:none!important}}

/* Ajuste portada: jerarquía de textos y llamado Reto 28 Días */
.welcome-copy{width:100%;max-width:430px}
.welcome-tagline{display:block;white-space:nowrap;font-size:clamp(10px,2.65vw,13px);letter-spacing:.27em;line-height:1.2}
.welcome-name{white-space:nowrap;font-size:clamp(38px,10.3vw,52px)!important;line-height:.96!important;margin:16px 0 16px!important}
.welcome-profession{white-space:nowrap;font-size:clamp(18px,4.75vw,23px)!important;line-height:1.1;font-weight:600!important}
.welcome-message{font-size:clamp(14px,3.55vw,17px)!important;line-height:1.48!important;max-width:430px!important;margin-top:22px!important}
.welcome-message span{white-space:nowrap}
.welcome-cta{width:100%;gap:14px;padding-top:10px}
.challenge-title{position:relative;display:flex;align-items:baseline;justify-content:center;gap:.34em;width:max-content;max-width:100%;padding:8px 18px;font-size:clamp(21px,5.6vw,29px);line-height:1;font-weight:900;letter-spacing:.065em;color:#18181a;isolation:isolate;animation:challengeLift 2.8s ease-in-out infinite}
.challenge-title strong{font-weight:950;background:linear-gradient(100deg,#171719 0%,#707078 38%,#171719 54%,#171719 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:challengeShine 2.7s linear infinite}
.challenge-title:before{content:"";position:absolute;inset:1px -5px;border-radius:999px;background:linear-gradient(90deg,transparent,rgba(23,23,25,.08),transparent);filter:blur(8px);z-index:-1;animation:challengeGlow 2.7s ease-in-out infinite}
.challenge-title:after{content:"";position:absolute;left:16%;right:16%;bottom:0;height:2px;border-radius:3px;background:linear-gradient(90deg,transparent,#171719,transparent);transform:scaleX(.72);opacity:.62;animation:challengeLine 2.7s ease-in-out infinite}
.challenge-button{max-width:390px;margin-inline:auto;box-shadow:0 13px 28px rgba(23,23,25,.18);transition:transform .22s ease,box-shadow .22s ease}
.challenge-button:hover{transform:translateY(-2px);box-shadow:0 17px 34px rgba(23,23,25,.24)}
.challenge-button span{font-size:16px;letter-spacing:.01em}
@keyframes challengeShine{0%{background-position:180% 0}100%{background-position:-40% 0}}
@keyframes challengeLift{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes challengeGlow{0%,100%{opacity:.25;transform:scale(.92)}50%{opacity:.9;transform:scale(1.06)}}
@keyframes challengeLine{0%,100%{transform:scaleX(.62);opacity:.42}50%{transform:scaleX(1);opacity:.9}}
@media(max-width:410px){.welcome-screen{padding-inline:16px}.welcome-tagline{font-size:clamp(9px,2.6vw,11px);letter-spacing:.19em}.welcome-name{font-size:clamp(34px,9.8vw,42px)!important}.welcome-profession{font-size:clamp(16px,4.5vw,19px)!important}.welcome-message{font-size:clamp(12px,3.35vw,14px)!important}.challenge-title{font-size:clamp(19px,5.3vw,24px)}}
@media(max-width:340px){.welcome-tagline{letter-spacing:.12em}.welcome-message{letter-spacing:-.015em}.welcome-cta{gap:9px}.challenge-title{padding-inline:9px}}
@media(max-height:760px){.welcome-message{margin-top:10px!important}.welcome-cta{gap:7px;padding-top:2px}.challenge-title{font-size:20px;padding-block:4px}.challenge-button{height:48px}}
@media(prefers-reduced-motion:reduce){.challenge-title,.challenge-title strong,.challenge-title:before,.challenge-title:after{animation:none!important}}

/* Ajuste final: reto centrado en el espacio blanco */
.welcome-content{
  justify-content:flex-start;
  width:100%;
}
.challenge-zone{
  flex:1;
  min-height:150px;
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  padding:18px 0 10px;
}
.challenge-title{
  display:block;
  width:auto;
  max-width:100%;
  padding:10px 20px 14px;
  font-size:clamp(34px,9.2vw,54px);
  line-height:.95;
  font-weight:950;
  letter-spacing:.035em;
  color:#111114;
  text-shadow:0 2px 0 #fff,0 8px 18px rgba(0,0,0,.16);
  background:none;
  animation:challengeElegantBounce 2.6s cubic-bezier(.45,0,.2,1) infinite;
}
.challenge-title:before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  bottom:3px;
  height:18px;
  border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(0,0,0,.2) 0%,rgba(0,0,0,.08) 40%,transparent 72%);
  filter:blur(5px);
  transform-origin:center;
  z-index:-1;
  animation:challengeShadowPulse 2.6s ease-in-out infinite;
}
.challenge-title:after{
  content:"";
  position:absolute;
  left:12%;
  right:12%;
  bottom:2px;
  height:3px;
  border-radius:999px;
  background:linear-gradient(90deg,transparent,#111 50%,transparent);
  opacity:.72;
  animation:challengeLinePulse 2.6s ease-in-out infinite;
}
.challenge-subtitle{
  font-size:clamp(22px,5.8vw,32px);
  line-height:1;
  font-weight:850;
  letter-spacing:-.02em;
  color:#111114;
}
.welcome-cta{
  flex:none;
  padding-top:0;
}
.challenge-button span{
  font-size:clamp(12px,3.25vw,16px);
  letter-spacing:.015em;
  white-space:nowrap;
}
@keyframes challengeElegantBounce{
  0%,100%{transform:translateY(0) scale(1)}
  42%{transform:translateY(-8px) scale(1.025)}
  58%{transform:translateY(-8px) scale(1.025)}
}
@keyframes challengeShadowPulse{
  0%,100%{transform:scaleX(.72);opacity:.38}
  50%{transform:scaleX(1.03);opacity:.72}
}
@keyframes challengeLinePulse{
  0%,100%{transform:scaleX(.7);opacity:.4}
  50%{transform:scaleX(1);opacity:.9}
}
@media(max-height:760px){
  .challenge-zone{min-height:108px;padding:8px 0 4px;gap:8px}
  .challenge-title{font-size:clamp(28px,7.8vw,38px);padding-block:5px 10px}
  .challenge-subtitle{font-size:clamp(18px,4.8vw,24px)}
  .challenge-button span{font-size:12px}
}
@media(max-width:360px){
  .challenge-title{font-size:clamp(30px,8.8vw,38px);letter-spacing:.015em}
  .challenge-subtitle{font-size:20px}
  .challenge-button{padding-left:18px}
  .challenge-button span{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
  .challenge-title,.challenge-title:before,.challenge-title:after{animation:none!important}
}


/* Menú lateral profesional compacto — conserva intacta la portada y el reto */
.menu-panel{width:min(88%,390px);padding:0;overflow:hidden;background:rgba(255,255,255,.985);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.menu-scroll{height:100%;overflow-y:auto;padding:calc(50px + env(safe-area-inset-top)) 28px calc(20px + env(safe-area-inset-bottom));scrollbar-width:none}
.menu-scroll::-webkit-scrollbar{display:none}
.menu-close{z-index:3;background:#f4f4f5;color:#111;box-shadow:0 5px 18px rgba(0,0,0,.08)}
.doctor-menu-profile{padding:0 0 15px;border-bottom:1px solid #e8e8ea}
.menu-eyebrow{display:block;font-size:7px;letter-spacing:.25em;font-weight:800;color:#9a9a9f;margin-bottom:9px}
.menu-panel .doctor-menu-profile h2{font-size:28px;line-height:1;letter-spacing:-.045em;margin:0 0 10px;text-transform:none}
.doctor-degree{font-size:11px!important;line-height:1.3;color:#6d6d72!important;margin:3px 0!important;max-width:300px}
.doctor-degree-main{font-size:13px!important;color:#1d1d1f!important;font-weight:700}
.doctor-degree strong{color:#303034;font-weight:700}
.menu-section{padding:15px 0;border-bottom:1px solid #e8e8ea}
.menu-section h3{font-size:8px;letter-spacing:.21em;color:#8b8b90;margin:0 0 10px;font-weight:800}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:7px}
.check-list li{position:relative;padding-left:22px;font-size:11px;line-height:1.25;color:#49494e}
.menu-link{position:relative;font-size:11px;line-height:1.25;color:#49494e}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;width:14px;height:14px;border:1px solid #cacace;border-radius:50%;display:grid;place-items:center;font-size:7px;font-weight:900;color:#111;background:#fff}
.menu-panel .menu-link:before{content:"→";position:absolute;left:7px;top:50%;transform:translateY(-52%);width:auto;height:auto;border:0;border-radius:0;background:transparent;color:#111;font-size:15px;font-weight:500;line-height:1}
.menu-content-links nav{display:grid;gap:2px}
.menu-panel .menu-link{display:flex;width:100%;align-items:center;min-height:33px;margin:0;padding:5px 9px 5px 27px;border:0;border-radius:10px;background:transparent;color:#222;text-decoration:none;text-align:left;font-size:12px;font-weight:650;transition:background .22s ease,transform .22s ease}
.menu-panel button.menu-link{font-family:inherit;cursor:pointer}
.menu-panel .menu-link:hover,.menu-panel .menu-link:focus-visible{background:#f3f3f4;transform:translateX(3px);outline:none}
.social-section{border-bottom:0;padding-bottom:11px}
.social-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.menu-panel .social-grid a{margin:0;padding:0;width:100%;aspect-ratio:1;border:1px solid #dedee1;border-radius:13px;background:#fff;color:#111;display:grid;place-items:center;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease}
.menu-panel .social-grid a:hover,.menu-panel .social-grid a:focus-visible{transform:translateY(-2px);background:#111;color:#fff;box-shadow:0 8px 18px rgba(0,0,0,.14);outline:none}
.social-grid svg{width:19px;height:19px;fill:currentColor}
@media(max-height:740px){.menu-scroll{padding-top:calc(42px + env(safe-area-inset-top));padding-bottom:12px}.doctor-menu-profile{padding-bottom:11px}.menu-section{padding:11px 0}.check-list{gap:5px}.menu-panel .menu-link{min-height:29px;padding-block:3px}.social-grid{gap:6px}}
@media(max-width:380px){.menu-scroll{padding-left:22px;padding-right:22px}.menu-panel .doctor-menu-profile h2{font-size:25px}.check-list li{font-size:10.5px}}

/* === FASE REELS / PLAYER SOCIAL === */
/* Menú: tipografía ligeramente mayor sin perder densidad visual */
.menu-panel .doctor-menu-profile h2{font-size:31px!important;line-height:.98!important}
.menu-eyebrow{font-size:8.5px!important}
.doctor-degree{font-size:13px!important;line-height:1.42!important}
.doctor-degree-main{font-size:15px!important}
.menu-section h3{font-size:9px!important}
.check-list{gap:9px!important}
.check-list li{font-size:13px!important;line-height:1.35!important;padding-left:25px!important}
.check-list li:before{width:17px!important;height:17px!important;font-size:9px!important}
.menu-panel .menu-link{font-size:15px!important;min-height:42px!important;padding:8px 10px 8px 32px!important;border-radius:12px!important}
.menu-link:before{left:8px!important;font-size:19px!important}
.social-section h3{margin-bottom:13px!important}

/* El reproductor ahora es una vista vertical a pantalla completa tipo Reels */
.full-player.reel-player{z-index:80;transform:translateY(105%);padding:0!important;background:#050505;color:#fff;overflow:hidden;isolation:isolate}
.full-player.reel-player.is-active{transform:translateY(0)}
.reel-stage{position:absolute;inset:0;background:#050505;overflow:hidden}
.reel-stage video{position:absolute!important;inset:0;width:100%!important;height:100%!important;display:none;object-fit:cover!important;filter:none!important;background:#000}
.reel-player.is-video .reel-stage video{display:block!important}
.reel-audio-backdrop{position:absolute;inset:-35px;background-position:center;background-size:cover;filter:grayscale(100%) blur(28px);transform:scale(1.15);opacity:.52}
.reel-audio-backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.30),rgba(0,0,0,.68))}
.reel-cover-art{position:absolute;left:50%;top:45%;width:min(78%,360px)!important;height:auto!important;aspect-ratio:1;object-fit:cover!important;transform:translate(-50%,-50%);border-radius:26px;filter:grayscale(100%)!important;box-shadow:0 25px 70px rgba(0,0,0,.45);display:none}
.reel-player.is-audio .reel-cover-art{display:block!important}
.reel-tap-zone{position:absolute;inset:0;border:0;background:transparent;z-index:2}
.reel-play-state{position:absolute;left:50%;top:46%;z-index:4;width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.48);backdrop-filter:blur(10px);font-size:31px;padding-left:5px;opacity:0;transform:translate(-50%,-50%) scale(.86);transition:opacity .2s,transform .2s;pointer-events:none}
.reel-play-state.is-visible{opacity:1;transform:translate(-50%,-50%) scale(1)}
.reel-player:after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.34) 0,transparent 18%,transparent 53%,rgba(0,0,0,.82) 100%)}
.reel-topbar{position:absolute!important;z-index:10;left:0;right:0;top:0;height:auto!important;padding:calc(11px + env(safe-area-inset-top)) 14px 10px;display:flex!important;align-items:center;justify-content:space-between;color:#fff}
.reel-topbar button{width:44px!important;height:44px!important;border:0!important;border-radius:50%;background:rgba(0,0,0,.22)!important;color:#fff!important;display:grid;place-items:center;backdrop-filter:blur(9px)}
.reel-topbar svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}
.reel-topbar>span{font-size:9px!important;letter-spacing:.2em;font-weight:750;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.reel-more{font-size:18px!important;letter-spacing:2px}
.reel-actions{position:absolute;right:10px;bottom:calc(142px + env(safe-area-inset-bottom));z-index:12;display:flex;flex-direction:column;gap:15px;align-items:center}
.reel-action{width:62px;border:0;background:transparent;color:#fff;display:flex;flex-direction:column;align-items:center;gap:3px;padding:0;text-shadow:0 1px 7px rgba(0,0,0,.7)}
.action-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.20);backdrop-filter:blur(8px)}
.action-icon svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 1px 2px rgba(0,0,0,.6))}
.reel-action b{font-size:11px;line-height:1.05;color:#fff}
.reel-action small{font-size:8px;color:#fff;opacity:.94}
.reel-action.is-active .heart-icon svg{fill:#ef233c;stroke:#ef233c}
.reel-action.is-repeat .action-icon{background:#fff;color:#111}
.reel-action.is-repeat .action-icon svg{stroke:#111;filter:none}
.reel-bottom{position:absolute;z-index:11;left:18px;right:82px;bottom:calc(18px + env(safe-area-inset-bottom));color:#fff;text-align:left}
.reel-author-row{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.reel-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#111;border:1px solid rgba(255,255,255,.7);font-size:10px;font-weight:900}
.reel-author-row strong{font-size:13px;text-shadow:0 1px 5px rgba(0,0,0,.7)}
.follow-button{display:inline-flex;align-items:center;height:30px;padding:0 12px;border:1px solid rgba(255,255,255,.75);border-radius:10px;color:#fff;text-decoration:none;font-size:11px;font-weight:750;background:rgba(0,0,0,.12);backdrop-filter:blur(7px)}
.reel-bottom h2{font-size:22px!important;line-height:1.05;text-align:left!important;margin:0 0 6px!important;color:#fff;text-shadow:0 1px 7px rgba(0,0,0,.65);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.reel-bottom>p{font-size:11px!important;line-height:1.35;text-align:left!important;color:rgba(255,255,255,.88)!important;margin:0 0 11px!important;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 5px rgba(0,0,0,.65)}
.reel-progress input{width:100%;height:14px;margin:0;accent-color:#fff}
.reel-progress div{display:flex;justify-content:space-between;font-size:9px;color:rgba(255,255,255,.75);margin-top:-1px}

@media(max-width:380px){
 .reel-actions{right:5px;gap:11px;bottom:calc(135px + env(safe-area-inset-bottom))}
 .reel-action{width:56px}.action-icon{width:41px;height:41px}.action-icon svg{width:26px;height:26px}
 .reel-bottom{left:14px;right:67px}.reel-bottom h2{font-size:20px!important}
 .menu-panel .menu-link{font-size:14px!important;min-height:39px!important}.check-list li{font-size:12px!important}
}


/* === REPRODUCTOR INMERSIVO === */
.full-player.reel-player{width:100%;height:100%;height:100dvh;max-width:none!important;background:#000!important}
.full-player.reel-player:fullscreen,.full-player.reel-player:-webkit-full-screen{width:100vw!important;height:100vh!important;max-width:none!important;background:#000!important}
.reel-stage{inset:0!important;background:#000!important}
.reel-player.is-video .reel-stage video{display:block!important;width:100vw!important;height:100vh!important;object-fit:cover!important;background:#000!important}
.reel-audio-backdrop{display:none!important}
.reel-cover-art{left:0!important;top:0!important;transform:none!important;width:100%!important;height:100%!important;aspect-ratio:auto!important;max-width:none!important;border-radius:0!important;object-fit:cover!important;box-shadow:none!important;filter:grayscale(100%)!important}
.reel-player.is-audio .reel-cover-art{display:block!important}
.reel-player:after{transition:opacity .28s ease}
.reel-topbar,.reel-actions,.reel-bottom{transition:opacity .28s ease,transform .28s ease}
.reel-player.chrome-hidden:after{opacity:0!important}
.reel-player.chrome-hidden .reel-topbar{opacity:0!important;transform:translateY(-14px);pointer-events:none!important}
.reel-player.chrome-hidden .reel-actions{opacity:0!important;transform:translateX(18px);pointer-events:none!important}
.reel-player.chrome-hidden .reel-bottom{opacity:0!important;transform:translateY(18px);pointer-events:none!important}
.reel-player.chrome-hidden .reel-play-state{opacity:0!important}
.reel-tap-zone{z-index:9!important}
.reel-topbar,.reel-actions,.reel-bottom{z-index:12!important}
html.player-open,html.player-open body{background:#000!important;overflow:hidden!important}
#backgroundVideoAudio{position:fixed;width:1px;height:1px;opacity:.001;pointer-events:none;left:-10px;bottom:-10px}

/* En pantallas grandes el reproductor inmersivo también ocupa todo el monitor. */
@media(min-width:700px){
 .full-player.reel-player.is-active{position:fixed!important;inset:0!important;width:100vw!important;height:100vh!important;height:100dvh!important;max-width:none!important;border:0!important}
 .reel-player.is-video .reel-stage video,.reel-player.is-audio .reel-cover-art{width:100vw!important;height:100vh!important}
}