:root{--navy:#072e4c;--navy2:#0d4f7e;--blue:#1376b7;--ice:#eef7fd;--line:#d8e8f2;--text:#172533;--muted:#657482;--orange:#ef9b25;--red:#d94b4b;--green:#2f8e5c;--shadow:0 16px 40px rgba(10,43,69,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f4f8fb;color:var(--text);line-height:1.58}a{color:inherit}.shell{max-width:1220px;margin:auto;padding:0 22px}.topbar{background:#051f35;color:#cfe7f7;font-size:13px}.topbar .shell{height:38px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:900;letter-spacing:.04em}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 20%,rgba(47,157,221,.45),transparent 27%),linear-gradient(135deg,#062944 0%,#0b4b76 58%,#116a9f 100%);color:#fff;padding:62px 0 66px}.hero:after{content:"";position:absolute;right:-90px;bottom:-130px;width:420px;height:420px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 54px rgba(255,255,255,.035),0 0 0 108px rgba(255,255,255,.025)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:38px;align-items:center;position:relative;z-index:1}.kicker{display:inline-flex;gap:9px;align-items:center;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);padding:8px 13px;border-radius:999px;font-weight:800;font-size:13px}.hero h1{font-size:clamp(38px,5.3vw,66px);line-height:1.01;margin:18px 0 16px;letter-spacing:-.035em}.hero p{max-width:760px;font-size:18px;color:#d7ebf8}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:850;border-radius:12px;padding:13px 17px;background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.15)}.btn.alt{background:#fff;color:var(--navy)}.btn.soft{background:#e8f4fb;color:#0b5687;box-shadow:none}.hero-panel{background:rgba(4,28,46,.5);border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:22px;backdrop-filter:blur(5px)}.signal{display:flex;align-items:center;gap:11px;margin:12px 0;padding:12px;background:rgba(255,255,255,.07);border-radius:13px}.signal i{width:39px;height:39px;border-radius:10px;background:rgba(255,255,255,.13);display:grid;place-items:center;font-style:normal;font-size:21px}.section{padding:46px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.section h2{font-size:31px;line-height:1.08;margin:0;color:var(--navy)}.section-head p{margin:0;color:var(--muted);max-width:620px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{position:relative;background:#fff;border:1px solid #e4edf3;border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(12,49,82,.07);overflow:hidden}.card:hover{transform:translateY(-2px);transition:.18s ease;box-shadow:var(--shadow)}.icon{width:50px;height:50px;display:grid;place-items:center;border-radius:14px;background:#eaf5fc;font-size:25px;margin-bottom:17px}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eaf5fc;color:#0b6097;font-size:12px;font-weight:900;letter-spacing:.04em}.card h3{margin:10px 0 8px;color:#0b456e;font-size:20px}.card p{color:#5f6f7c}.featured{grid-column:span 2;min-height:240px;background:linear-gradient(140deg,#fff,#f0f8fd)}.featured:after{content:"01";position:absolute;right:14px;bottom:-50px;font-size:190px;line-height:1;font-weight:950;color:rgba(14,91,142,.055)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:-26px;position:relative;z-index:2}.stat{background:#fff;border-radius:14px;padding:16px;box-shadow:0 10px 24px rgba(9,46,73,.12);border:1px solid #e3edf3}.stat b{display:block;font-size:23px;color:#0c4b76}.stat span{font-size:12px;color:#74818d;font-weight:700}.path{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin:18px 0}.step{padding:9px 11px;border-radius:10px;font-size:13px;font-weight:850;background:#fff;border:1px solid var(--line);color:#0b4f7b}.arrow{color:#87a7bb}.dark{background:#082c48;color:#fff}.dark h2{color:#fff}.dark .card{background:#0c3b5e;border-color:#1b5276;color:#fff}.dark .card h3,.dark .card p{color:#fff}.footer{background:#041d31;color:#a9c2d2;padding:31px 0;margin-top:25px}.footer .shell{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.subhero{background:linear-gradient(135deg,#072d4b,#0f5d8d);color:#fff;padding:34px 0}.back{display:inline-block;text-decoration:none;color:#d9edf9;font-weight:750;margin-bottom:10px}.subhero h1{margin:3px 0 8px;font-size:clamp(29px,4vw,48px);line-height:1.05}.subhero p{max-width:860px;color:#d3e8f5}.modules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.module{display:grid;grid-template-columns:65px 1fr;gap:17px;background:#fff;border:1px solid #e0ebf2;border-radius:18px;padding:19px;box-shadow:0 8px 22px rgba(12,49,82,.06)}.num{width:58px;height:58px;border-radius:15px;background:#e8f4fb;display:grid;place-items:center;color:#0b5f95;font-weight:950;font-size:20px}.module h3{margin:1px 0 5px;color:#0a4772}.module p{margin:0;color:#637480}.module .btn{margin-top:12px;padding:9px 13px;font-size:13px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:start}.lesson-card{background:#fff;border:1px solid #e2ebf1;border-radius:18px;padding:25px;margin-bottom:17px;box-shadow:0 7px 20px rgba(10,46,73,.06)}.lesson-card h2{color:#0b466e;margin-top:0}.visual{border-radius:18px;min-height:230px;padding:25px;background:linear-gradient(145deg,#082f4d,#0f689a);color:white;display:flex;flex-direction:column;justify-content:center;overflow:hidden;position:relative}.visual:after{content:"⚠";position:absolute;right:24px;bottom:-30px;font-size:170px;opacity:.07}.visual .flow{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:18px}.visual .flow span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.17);padding:9px 10px;border-radius:10px;font-weight:800;font-size:13px}.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.risk{border:1px solid #dfeaf1;border-radius:14px;padding:16px;background:#fbfdfe}.risk .r-icon{font-size:27px}.risk b{display:block;color:#0b4b76;margin-top:7px}.callout{border-left:5px solid var(--blue);background:#edf7fd}.callout.warning{border-color:var(--orange);background:#fff7e9}.callout.good{border-color:var(--green);background:#eef9f3}.side{position:sticky;top:18px}.sidebox{background:#fff;border:1px solid #e1ebf1;border-radius:16px;padding:18px;margin-bottom:14px;box-shadow:0 7px 19px rgba(10,46,73,.06)}.sidebox h3{margin:0 0 10px;color:#0b466f}.sidebox a{display:block;padding:9px 0;text-decoration:none;border-bottom:1px solid #edf2f5;font-size:14px;color:#456071}.scenario{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:center}.scenario .time{background:#fff0db;color:#995c09;border-radius:14px;text-align:center;padding:17px 8px;font-weight:950;font-size:21px}.choice{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.choice div{border:1px solid #dfeaf1;border-radius:12px;padding:12px;font-weight:800;background:#fff}.mini-map{position:relative;height:255px;border-radius:16px;background:linear-gradient(30deg,#dfe8dc,#eff3ed);overflow:hidden;border:1px solid #d9e4df}.road{position:absolute;width:130%;height:58px;background:#8997a1;transform:rotate(-12deg);left:-14%;top:87px;box-shadow:inset 0 0 0 19px #9faab2}.road:after{content:"";position:absolute;left:0;right:0;top:28px;border-top:3px dashed #fff}.venue{position:absolute;right:50px;top:35px;width:120px;height:80px;background:#c7d9e5;border:4px solid #fff;box-shadow:0 4px 10px rgba(0,0,0,.15);display:grid;place-items:center;font-weight:900;color:#28536f}.marker{position:absolute;width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:0 4px 11px rgba(0,0,0,.2);font-size:20px}.m1{left:22%;top:102px}.m2{right:30px;bottom:35px}.m3{left:43%;bottom:31px}@media(max-width:850px){.hero-grid,.lesson-layout{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.featured{grid-column:auto}.stats{grid-template-columns:repeat(2,1fr)}.modules{grid-template-columns:1fr}.risk-grid{grid-template-columns:1fr}.side{position:static}.hero-panel{display:none}}@media(max-width:520px){.stats{grid-template-columns:1fr}.scenario{grid-template-columns:1fr}.choice{grid-template-columns:1fr}.hero{padding:45px 0}.section{padding:35px 0}}
/* Build 1.2.1 DEEP VISUAL */
.subhero-deep{padding:42px 0 46px;background:radial-gradient(circle at 83% 34%,rgba(40,156,219,.32),transparent 28%),linear-gradient(135deg,#06243d,#0a4b76 60%,#0c699c)}
.lesson-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center}.lead{font-size:17px!important;line-height:1.65}.hero-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.hero-pills span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800}.hero-diagram{height:245px;position:relative}.hd-node{position:absolute;border-radius:50%;display:grid;place-items:center;text-align:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:11px;font-weight:900}.hd-node.big{width:105px;height:105px;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;color:#0c527e;font-size:20px;box-shadow:0 14px 30px rgba(0,0,0,.15)}.hd-node:not(.big){width:72px;height:72px}.hd-node.n1{left:7%;top:9%}.hd-node.n2{right:5%;top:8%}.hd-node.n3{left:2%;bottom:2%}.hd-node.n4{right:3%;bottom:3%}.hd-node.n5{left:50%;top:0;transform:translateX(-50%)}
.progress-nav{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:17px}.progress-nav a{font-size:12px;font-weight:850;text-decoration:none;background:#fff;border:1px solid #dbe8f0;padding:8px 10px;border-radius:9px;color:#0b557f}.visual-deep{min-height:270px}.visual-deep p{max-width:760px;color:#d7edf8}.flow-wide{gap:7px!important}.flow-wide span{padding:9px 9px!important}
.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:19px}.key-grid>div{border:1px solid #dce9f1;background:#f9fcfe;border-radius:12px;padding:14px}.key-grid b{display:block;color:#0a4c78}.key-grid span{font-size:13px;color:#657681}.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin:0 0 17px}.media-grid.single-row{grid-template-columns:1fr}.photo-card{margin:0;background:#fff;border:1px solid #dce8ef;border-radius:18px;overflow:hidden;box-shadow:0 7px 20px rgba(10,46,73,.06)}.photo-card img{display:block;width:100%;height:285px;object-fit:cover;background:#e8eef2}.photo-card figcaption{padding:13px 15px;color:#536975;font-size:13px}.photo-card a{display:block;margin-top:5px;color:#0a6aa4;font-size:11px}.anatomy{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}.anatomy-item{position:relative;border:1px solid #dfeaf1;border-radius:13px;padding:15px 15px 15px 58px;background:#fbfdfe}.anatomy-item>span{position:absolute;left:14px;top:16px;width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:#e6f3fb;color:#075a8b;font-weight:950;font-size:12px}.anatomy-item b{color:#0b4d77}.anatomy-item p{margin:3px 0 0;font-size:13px;color:#667884}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:15px}.compare{border-radius:13px;padding:16px;border:1px solid #dce7ed}.compare.bad{background:#fff2f2;border-color:#f1caca}.compare.good{background:#eff9f3;border-color:#c9e8d5}.compare p{margin-bottom:0}.risk-grid-rich .risk{min-height:245px}.risk ul{padding-left:18px;margin:10px 0 0;font-size:13px;color:#566e7b}.matrix{display:grid;grid-template-columns:155px repeat(3,1fr);gap:5px;margin-top:16px;align-items:stretch}.matrix>*{padding:11px;border-radius:8px;display:grid;place-items:center;text-align:center;font-size:12px}.matrix b{background:#eef4f7;color:#345467}.m-low{background:#e8f5ed;color:#246944}.m-med{background:#fff5d8;color:#8a6300}.m-high{background:#ffe7cf;color:#9a4b09}.m-critical{background:#ffe0e0;color:#9c2929;font-weight:900}.microcase{margin-top:12px;padding:14px;border-radius:12px;background:#f2f8fc;color:#486373}.orgchart{text-align:center;margin:18px 0}.org-main{display:inline-block;background:#0b4f7a;color:#fff;padding:13px 18px;border-radius:12px;font-weight:900}.org-line{height:24px;border-left:3px solid #9fbdcf;width:1px;margin:auto}.org-row{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.org-row div{padding:12px 8px;border:1px solid #dce8ef;background:#fbfdfe;border-radius:11px;font-weight:800;color:#315c75}.org-external{margin-top:13px;background:#edf7fd;border-radius:10px;padding:10px;font-weight:800;color:#0d5d8e}.callout h3{margin:0 0 4px;color:#0a4b75}.message-template{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:16px}.message-template>div{border:1px solid #dae7ef;border-radius:12px;padding:13px;background:#fbfdfe}.message-template span{width:26px;height:26px;border-radius:8px;background:#0d6fa8;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}.message-template b{display:block;margin-top:8px;color:#0b4d76}.message-template small{display:block;color:#637680;margin-top:4px}.choice-3{grid-template-columns:repeat(3,1fr)}.alert-box{margin-top:13px;background:#fff4dd;border-left:5px solid #eda329;padding:14px 15px;border-radius:9px}.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:15px}.persona-grid>div{display:grid;grid-template-columns:38px 1fr;column-gap:8px;align-items:center;border:1px solid #deeaef;background:#fbfdfe;padding:12px;border-radius:12px;font-size:22px}.persona-grid b{font-size:14px;color:#0c4d76}.persona-grid span{grid-column:2;font-size:12px;color:#637682}.mini-map-rich{height:310px}.m4{left:8%;top:24px}.map-label{position:absolute;font-size:11px;background:rgba(255,255,255,.93);padding:5px 7px;border-radius:7px;box-shadow:0 3px 8px rgba(0,0,0,.12);font-weight:750}.l1{left:15px;bottom:18px}.l2{right:18px;bottom:14px}.decision-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:16px}.decision-steps>div{border:1px solid #e1eaf0;background:#fff;padding:11px;border-radius:10px}.decision-steps b{display:block;color:#0c5e8f;font-size:13px}.decision-steps span{font-size:12px;color:#637680}.solution{margin-top:14px;border:1px solid #d9e7ef;border-radius:11px;background:#f7fbfd;padding:12px}.solution summary{cursor:pointer;font-weight:850;color:#0a5d8c}.time.blue{background:#e8f4fb;color:#0c5f91}.time.red{background:#fdecec;color:#a33939}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:15px}.video-card{border:1px solid #dce8ef;border-radius:14px;overflow:hidden;background:#fbfdfe}.video-card h3{margin:13px 14px 4px;color:#0a4c76}.video-card p{font-size:13px;margin:0 14px 15px;color:#5f7480}.ratio{aspect-ratio:16/9;background:#061d2e}.ratio iframe{width:100%;height:100%;border:0}.source-note{font-size:11px!important;color:#73838d!important}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:14px}.check-grid label{display:flex;gap:8px;align-items:flex-start;border:1px solid #dfebf1;background:#fbfdfe;padding:11px;border-radius:10px;font-size:13px}.quiz details{background:#fff;border:1px solid #d8e8df;border-radius:10px;padding:11px 13px;margin-top:8px}.quiz summary{cursor:pointer;font-weight:800;color:#205f40}.quiz p{margin-bottom:2px}.next-lesson{display:flex;justify-content:space-between;gap:20px;align-items:center;background:linear-gradient(135deg,#062e4c,#0e6395);color:#fff;border-radius:18px;padding:24px;margin-top:22px}.next-lesson h2{color:#fff;margin:8px 0}.next-lesson p{margin:0;color:#d6eaf6;max-width:720px}.sidebox.small p{font-size:13px;color:#58707d}
@media(max-width:980px){.lesson-hero-grid{grid-template-columns:1fr}.hero-diagram{display:none}.message-template,.decision-steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.key-grid,.anatomy,.media-grid,.video-grid,.compare-grid,.persona-grid,.choice-3,.check-grid{grid-template-columns:1fr}.org-row{grid-template-columns:repeat(2,1fr)}.matrix{grid-template-columns:110px repeat(3,1fr);overflow:auto}.decision-steps,.message-template{grid-template-columns:1fr}.next-lesson{display:block}.next-lesson .btn{margin-top:15px}}

/* Build 1.2.2 — FIX MEDIA LAYOUT
   Proteccion estricta para que ninguna imagen externa pueda romper la leccion. */
.lesson-layout > main{min-width:0;width:100%;overflow:visible}
.lesson-layout > aside{min-width:0}
.media-grid{width:100%;max-width:100%;overflow:hidden;align-items:stretch}
.photo-card{width:100%;max-width:100%;min-width:0;overflow:hidden!important;position:relative;display:flex;flex-direction:column}
.photo-card img{
  display:block!important;
  position:static!important;
  inset:auto!important;
  width:100%!important;
  max-width:100%!important;
  height:260px!important;
  min-height:260px!important;
  max-height:260px!important;
  object-fit:cover!important;
  object-position:center!important;
  margin:0!important;
  padding:0!important;
  transform:none!important;
}
.media-grid.single-row .photo-card img{height:330px!important;min-height:330px!important;max-height:330px!important}
.photo-card figcaption{position:static!important;width:auto!important;max-width:100%!important;background:#fff!important;flex:1}
.photo-card figcaption a{overflow-wrap:anywhere}
.lesson-card img,.video-card img{max-width:100%;height:auto}
@media(max-width:720px){
  .photo-card img,.media-grid.single-row .photo-card img{height:220px!important;min-height:220px!important;max-height:220px!important}
}

/* Build 1.2.3 HARD RESET VISUAL — blindaje definitivo de medios */
html body .lesson-layout main img,
html body .photo-card img,
html body figure.photo-card img{
  display:block !important;
  position:relative !important;
  float:none !important;
  clear:both !important;
  width:100% !important;
  max-width:100% !important;
  min-width:0 !important;
  height:280px !important;
  min-height:0 !important;
  max-height:280px !important;
  object-fit:cover !important;
  object-position:center !important;
  inset:auto !important;
  transform:none !important;
  margin:0 !important;
  z-index:1 !important;
}
html body .media-grid.single-row .photo-card img{height:320px !important;max-height:320px !important;}
html body .photo-card{contain:layout paint;isolation:isolate;max-height:430px;}
html body .media-grid.single-row .photo-card{max-height:470px;}
@media(max-width:720px){
  html body .lesson-layout main img,
  html body .photo-card img,
  html body .media-grid.single-row .photo-card img{height:210px !important;max-height:210px !important;}
}

/* Build 1.9.1 — VISUAL MASTER */
.master-chapter{margin:28px 0 14px;padding:24px 28px;border-radius:22px;background:linear-gradient(120deg,#083d60,#0f729c);color:white}
.master-chapter small{font-weight:900;letter-spacing:.08em}.master-chapter h2{font-size:30px;margin:6px 0;color:white}.master-chapter p{max-width:760px;color:#e9f7ff}
.master-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0}
.master-tile{padding:20px;border:1px solid #d4e2e9;border-radius:18px;background:#fff}
.master-tile h3{margin:0 0 8px;color:#064c78;font-size:18px}
.decision-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}
.decision-strip div{padding:14px 8px;border-radius:13px;background:#e9f4f9;text-align:center;font-weight:800;color:#064c78;font-size:13px}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.role{border-radius:16px;padding:18px;background:#f5f9fb;border-top:5px solid #1681b5}
.role strong{display:block;color:#064c78;margin-bottom:7px}
.matrix{display:grid;grid-template-columns:90px repeat(4,1fr);gap:5px;margin:18px 0}.matrix div{padding:11px;text-align:center;border-radius:8px;background:#edf3f6;font-size:12px}.matrix .head{font-weight:900;background:#d9eaf2}.matrix .hi{background:#f7d8d8}.matrix .med{background:#f8ebc8}.matrix .low{background:#dcefdc}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare>div{padding:20px;border-radius:18px;border:1px solid #d7e4ea}.compare h3{color:#064c78}
.case-board{border:2px solid #b9d7e5;border-radius:20px;overflow:hidden;margin:18px 0}.case-head{background:#0b527a;color:white;padding:18px;font-weight:900}.case-body{padding:20px;background:#f8fbfc}
.photo-band{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;margin:18px 0}.photo-band .ph{min-height:220px;border-radius:18px;background:linear-gradient(135deg,#174d6c,#2486ad);display:flex;align-items:center;justify-content:center;color:white;font-size:54px}.photo-band .caption{padding:22px;border-radius:18px;background:#fff;border:1px solid #d7e4ea}
@media(max-width:760px){.master-grid,.compare,.photo-band{grid-template-columns:1fr}.decision-strip{grid-template-columns:1fr 1fr}.role-grid{grid-template-columns:1fr}.matrix{grid-template-columns:70px repeat(4,1fr)}}