:root{--ink:#0c2026;--muted:#61747a;--teal:#087f79;--teal2:#18a89f;--mint:#dff6f2;--cream:#f5f7f4;--white:#fff;--line:#dfe8e6;--nav:#071a20;--nav2:#0d2930;--warn:#a24b2a;--gold:#d8a947;--shadow:0 24px 65px rgba(4,35,41,.14);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}a{color:inherit}.hidden{display:none!important}
.boot{min-height:100vh;display:grid;place-content:center;text-align:center;color:var(--muted)}.boot-mark,.brand-mark{display:grid;place-items:center;background:linear-gradient(145deg,var(--teal2),#59d3bd);color:#052125;font-weight:900;letter-spacing:-.04em;border-radius:14px}.boot-mark{width:58px;height:58px;margin:auto;font-size:20px;box-shadow:var(--shadow)}
.btn{border:0;border-radius:14px;padding:13px 18px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:.2s transform,.2s box-shadow,.2s background}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--teal);color:#fff;box-shadow:0 12px 26px rgba(8,127,121,.22)}.btn-primary:hover{background:#066d68}.btn-light{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-dark{background:var(--nav);color:#fff}.btn-ghost{background:transparent;color:inherit}.btn-gold{background:linear-gradient(135deg,#f0cf79,#c89029);color:#2d2007}.btn-wide{width:100%}.eyebrow{margin:0 0 12px;color:var(--teal);font-size:12px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:750;background:var(--mint);color:#126d68}.pill-premium{background:#fff4d8;color:#8a5a00}.muted{color:var(--muted)}
/* Landing */
.landing{min-height:100vh;background:radial-gradient(circle at 82% 10%,#d9f3ed 0,transparent 32%),linear-gradient(180deg,#fbfcfa,#eef4f1)}.landing-nav{height:78px;max-width:1220px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:850;font-size:21px}.brand-mark{width:38px;height:38px;font-size:13px}.landing-actions{display:flex;gap:10px}.hero{max-width:1220px;margin:auto;padding:58px 24px 84px;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:70px}.hero h1{font-size:clamp(44px,6vw,78px);line-height:1.01;letter-spacing:-.055em;margin:0 0 25px;max-width:720px}.hero h1 span{color:var(--teal)}.hero-copy>p:not(.eyebrow){font-size:19px;color:#496168;max-width:620px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;color:#4e666c;font-size:13px;font-weight:650}.trust-row span:before{content:"✓";color:var(--teal);margin-right:7px;font-weight:900}.hero-visual{position:relative}.hero-photo{height:min(70vh,700px);width:100%;object-fit:cover;object-position:center 18%;border-radius:36px;box-shadow:var(--shadow)}.coach-badge{position:absolute;left:-30px;bottom:35px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);padding:16px 18px;border-radius:18px;box-shadow:0 20px 50px rgba(10,42,46,.18);display:flex;gap:12px;align-items:center}.coach-dot{width:12px;height:12px;border-radius:50%;background:#34bd75;box-shadow:0 0 0 5px #daf5e4}.coach-badge strong,.coach-badge span{display:block}.coach-badge span{font-size:12px;color:var(--muted)}.proof-strip{max-width:1172px;margin:0 auto 80px;padding:24px;border:1px solid #d9e6e2;border-radius:24px;background:rgba(255,255,255,.64);display:grid;grid-template-columns:repeat(4,1fr);gap:15px;text-align:center}.proof-strip strong{display:block;font-size:25px}.proof-strip span{font-size:13px;color:var(--muted)}
/* Shell */
.shell{min-height:100vh;display:grid;grid-template-columns:244px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--nav),#061216);color:#d7e6e7;padding:22px 16px;display:flex;flex-direction:column}.sidebar .brand{padding:4px 7px 22px;color:#fff}.nav-list{display:grid;gap:5px}.nav-item{border:0;background:transparent;color:#a9bec2;border-radius:13px;padding:11px 13px;display:flex;align-items:center;gap:12px;text-align:left;font-weight:680}.nav-item:hover,.nav-item.active{background:var(--nav2);color:#fff}.nav-item.active{box-shadow:inset 3px 0 0 var(--teal2)}.nav-icon{font-size:17px;width:21px;text-align:center}.side-plan{margin-top:auto;background:linear-gradient(145deg,#15383f,#0c272e);border:1px solid #24464d;padding:15px;border-radius:18px}.side-plan small{color:#93aeb3}.side-plan strong{display:block;color:#fff;margin:4px 0 12px}.main{min-width:0}.topbar{height:76px;padding:0 30px;border-bottom:1px solid var(--line);background:rgba(248,250,248,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.mobile-menu{display:none}.top-actions{display:flex;align-items:center;gap:10px}.profile-dot{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800}.content{padding:30px;max-width:1500px;margin:auto}.page-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.page-head h1{font-size:clamp(28px,4vw,42px);line-height:1.08;letter-spacing:-.04em;margin:0}.page-head p{margin:8px 0 0;color:var(--muted)}
.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(13,49,53,.05)}.metric{padding:20px}.metric-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.metric strong{display:block;font-size:28px;margin-top:9px}.trend{color:var(--teal);font-size:12px;font-weight:750}.dashboard-hero{margin-top:18px;display:grid;grid-template-columns:1.2fr .8fr;overflow:hidden;background:linear-gradient(135deg,#0d363c,#0b2228);color:#fff}.dashboard-copy{padding:34px}.dashboard-copy h2{font-size:34px;line-height:1.1;margin:5px 0 13px;letter-spacing:-.035em}.dashboard-copy p{color:#bcd0d3;max-width:650px}.dashboard-photo{min-height:330px;background:url('../../media/coach/mi-profe.webp') center 20%/cover}.section-title{margin:34px 0 16px;display:flex;align-items:center;justify-content:space-between}.section-title h2{margin:0;font-size:23px;letter-spacing:-.025em}
.module-card{padding:24px;position:relative;overflow:hidden;min-height:220px;display:flex;flex-direction:column}.module-orb{width:55px;height:55px;border-radius:17px;display:grid;place-items:center;font-size:24px;background:var(--module-light)}.module-card h3{font-size:24px;margin:20px 0 4px}.module-card p{margin:0;color:var(--muted)}.module-card .btn{margin-top:auto;align-self:flex-start}.module-number{position:absolute;right:-4px;top:-27px;font-size:120px;font-weight:900;color:var(--module-light);z-index:0}.module-card>*:not(.module-number){position:relative;z-index:1}
.path-card{padding:22px;display:flex;flex-direction:column;min-height:210px}.path-card h3{margin:12px 0 7px;font-size:20px}.path-card p{margin:0 0 18px;color:var(--muted);font-size:14px}.path-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center}.free-badge{color:var(--teal);font-size:12px;font-weight:800}.exercise-list{display:grid;gap:12px}.exercise-row{display:grid;grid-template-columns:74px 1fr auto;gap:16px;align-items:center;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px}.exercise-thumb{width:74px;height:74px;border-radius:14px;background-size:500% 100%;background-position:0 center;background-repeat:no-repeat}.exercise-row h3{font-size:16px;margin:0 0 5px}.exercise-row p{font-size:13px;color:var(--muted);margin:0}.exercise-status{display:flex;align-items:center;gap:10px}.lock{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff3d6;color:#835c0d}.free{background:var(--mint);color:var(--teal)}
/* Exercise */
.exercise-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:22px}.exercise-main,.clinical-panel{padding:22px}.back-button{margin-bottom:17px;font-size:15px;padding:14px 20px}.exercise-title-row{display:flex;justify-content:space-between;gap:20px;align-items:start}.exercise-title-row h1{margin:0;font-size:clamp(27px,4vw,42px);line-height:1.08;letter-spacing:-.04em}.exercise-tags{display:flex;gap:8px;flex-wrap:wrap;margin:13px 0 20px}.player{background:#07191e;border-radius:24px;padding:16px;color:#fff}.player-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.coach-mini{display:flex;align-items:center;gap:10px}.coach-mini img{width:38px;height:38px;object-fit:cover;border-radius:50%}.coach-mini span{display:block;font-size:11px;color:#99b2b6}.phase-frame{width:min(100%,620px);margin:auto;overflow:hidden;border-radius:18px;background:#e9efed;position:relative;aspect-ratio:.7}.phase-strip{width:500%;height:100%;max-width:none;object-fit:fill;transition:transform .55s cubic-bezier(.2,.8,.2,1)}.phase-caption{position:absolute;left:13px;bottom:13px;padding:8px 11px;border-radius:10px;background:rgba(3,18,22,.76);backdrop-filter:blur(8px);color:#fff;font-size:12px;font-weight:750}.phase-dots{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:14px 0}.phase-dot{border:0;background:#16333a;color:#7f9ba0;padding:8px 4px;border-radius:10px;font-size:11px}.phase-dot.active{background:var(--teal2);color:#042328}.player-controls{display:flex;gap:9px}.player-controls .btn{flex:1}.timer{min-width:66px;text-align:center;font-variant-numeric:tabular-nums;font-weight:850}.instruction{margin:18px 2px 2px;background:#f1f7f5;border-radius:16px;padding:16px}.instruction small{color:var(--teal);font-weight:850;text-transform:uppercase}.instruction p{margin:5px 0 0}.clinical-panel{display:grid;gap:13px;align-content:start}.info-box{border:1px solid var(--line);border-radius:17px;padding:16px}.info-box h3{font-size:14px;margin:0 0 8px}.info-box p{font-size:13px;color:#53686d;margin:0}.info-box.warn{background:#fff7f2;border-color:#f2d8ca}.muscle-map{background:linear-gradient(145deg,#e5f5f1,#f7fbfa);padding:20px;border-radius:18px;position:relative;overflow:hidden}.muscle-map:after{content:"";position:absolute;width:115px;height:230px;border:18px solid rgba(8,127,121,.08);border-radius:50% 50% 44% 44%;right:-26px;top:14px}.muscle-map h3{margin:0 0 12px}.muscle-chip{display:inline-flex;padding:7px 10px;background:#fff;border:1px solid #d6e9e4;border-radius:999px;font-size:12px;font-weight:700;margin:3px}.steps-list{counter-reset:steps;display:grid;gap:10px}.step-item{display:grid;grid-template-columns:28px 1fr;gap:9px;font-size:13px;color:#53686d}.step-item:before{counter-increment:steps;content:counter(steps);width:26px;height:26px;border-radius:50%;background:var(--mint);display:grid;place-items:center;color:var(--teal);font-weight:850}
/* Progress, calendar, education */
.score-card{padding:22px}.score-card h3{margin:0 0 4px}.range-row{display:flex;gap:15px;align-items:center;margin-top:17px}.range-row input{width:100%;accent-color:var(--teal)}.range-value{width:48px;height:42px;border-radius:12px;background:var(--mint);display:grid;place-items:center;font-weight:850;color:var(--teal)}.calendar{padding:22px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;text-align:center}.day{aspect-ratio:1;border-radius:12px;display:grid;place-items:center;font-size:13px;background:#f3f6f5}.day.head{background:transparent;font-weight:800;color:var(--muted);aspect-ratio:auto}.day.done{background:var(--mint);color:var(--teal);font-weight:850}.day.today{outline:2px solid var(--teal)}.article-card{overflow:hidden}.article-cover{height:145px;background:linear-gradient(135deg,#0e5557,#33a89f);padding:20px;color:#fff;display:flex;align-items:end}.article-cover.alt{background:linear-gradient(135deg,#314b72,#798db1)}.article-cover.gold{background:linear-gradient(135deg,#855f1e,#dfb55d)}.article-body{padding:18px}.article-body h3{margin:0 0 7px}.article-body p{font-size:13px;color:var(--muted)}
/* Modal/login */
.modal-layer{position:fixed;inset:0;background:rgba(3,17,21,.7);backdrop-filter:blur(8px);z-index:100;display:grid;place-items:center;padding:20px}.modal{width:min(500px,100%);background:#fff;border-radius:28px;padding:28px;box-shadow:var(--shadow)}.modal h2{font-size:30px;letter-spacing:-.035em;margin:7px 0 9px}.modal-actions{display:grid;gap:9px;margin-top:22px}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}.login-visual{background:linear-gradient(rgba(3,22,27,.18),rgba(3,22,27,.5)),url('../../media/coach/mi-profe.webp') center 15%/cover;display:flex;align-items:end;padding:50px;color:#fff}.login-visual h2{font-size:43px;line-height:1.08;max-width:500px;margin:0}.login-form{display:grid;place-items:center;padding:35px}.login-box{width:min(440px,100%)}.login-box h1{font-size:38px;margin:25px 0 7px;letter-spacing:-.04em}.field{display:grid;gap:6px;margin:15px 0}.field label{font-size:13px;font-weight:750}.field input{padding:14px;border:1px solid #ccd9d7;border-radius:13px;outline:none}.field input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--mint)}.safe-note{font-size:12px;color:var(--muted);background:#f2f7f5;border-radius:12px;padding:11px;margin-top:15px}
.toast{position:fixed;right:24px;bottom:24px;background:#092127;color:#fff;padding:13px 17px;border-radius:14px;box-shadow:var(--shadow);z-index:150;animation:toast .25s ease}@keyframes toast{from{transform:translateY(10px);opacity:0}}
body.dark{--cream:#071418;--white:#0d2228;--ink:#edf8f7;--muted:#9ab0b4;--line:#1e3b40;background:var(--cream)}body.dark .card,body.dark .exercise-row,body.dark .topbar,body.dark .modal,body.dark .login-form,body.dark .info-box{background:#0d2228}body.dark .topbar{background:rgba(7,20,24,.88)}body.dark .instruction,body.dark .day{background:#122b31}body.dark .muscle-map{background:#102c31}body.dark .muscle-chip{background:#17353b;border-color:#24464b}body.dark .btn-light{background:#123038;color:#fff;border-color:#27454a}body.dark .info-box p,body.dark .step-item{color:#a8bec1}
@media(max-width:1050px){.grid-4{grid-template-columns:repeat(2,1fr)}.exercise-layout{grid-template-columns:1fr}.hero{gap:35px}.dashboard-hero{grid-template-columns:1fr}.dashboard-photo{min-height:250px}.proof-strip{margin-inline:24px}}
@media(max-width:780px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-270px;z-index:80;width:250px;transition:.25s}.sidebar.open{left:0;box-shadow:30px 0 70px rgba(0,0,0,.3)}.mobile-menu{display:inline-flex}.topbar{padding:0 16px}.content{padding:20px 15px}.hero{grid-template-columns:1fr;padding-top:30px}.hero-visual{order:-1}.hero-photo{height:430px}.coach-badge{left:12px}.proof-strip{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2{grid-template-columns:1fr}.landing-nav .btn-light{display:none}.exercise-row{grid-template-columns:62px 1fr;grid-template-areas:"num info" "btn btn";gap:12px}.exercise-row>div:first-child{grid-area:num}.exercise-row>div:nth-child(2){grid-area:info}.exercise-status{grid-area:btn}.exercise-status .btn{width:100%;padding:14px}.exercise-thumb{width:62px;height:62px}.login-wrap{grid-template-columns:1fr}.login-visual{display:none}.page-head{align-items:start;flex-direction:column}.exercise-title-row{flex-direction:column}.phase-frame{width:100%}}
@media(max-width:480px){.grid-4{grid-template-columns:1fr}.hero h1{font-size:43px}.hero-photo{height:360px}.proof-strip{margin-inline:15px}.landing-actions .btn{padding:11px}.exercise-main,.clinical-panel{padding:15px}.player{padding:10px}.phase-dot{font-size:9px}.player-controls{flex-wrap:wrap}.player-controls .btn{min-width:42%}}

/* RC2: la lámina completa permanece visible y la fase activa se destaca sin recortar el cuerpo. */
.phase-frame{width:100%!important;height:auto!important;aspect-ratio:auto!important}
.phase-strip{width:100%!important;height:auto!important;max-width:100%!important;object-fit:contain!important;display:block;transform:none!important}
.phase-focus{position:absolute;z-index:2;top:0;bottom:0;width:20%;left:0;border:3px solid var(--teal2);background:rgba(24,168,159,.07);box-shadow:0 0 0 999px rgba(3,18,22,.12);pointer-events:none;transition:left .45s cubic-bezier(.2,.8,.2,1)}
.phase-caption{z-index:3;left:9px;bottom:9px;padding:7px 9px;font-size:11px;transition:left .45s cubic-bezier(.2,.8,.2,1)}

/* RC3: encuadre superior para conservar el rostro completo de Mi Profe. */
.dashboard-photo{background-position:center 8%!important}
.hero-photo{object-position:center 8%!important}

/* RC4: retrato facial de Mi Profe dentro del avatar circular del reproductor. */
.coach-avatar{width:38px;height:38px;flex:0 0 38px;display:block;overflow:hidden;border-radius:50%;background:#dcebe8}
.coach-avatar img{width:100%!important;height:100%!important;max-width:none;object-fit:cover!important;object-position:center 11%!important;transform:scale(2.15);transform-origin:50% 14%;border-radius:0!important}