:root{--navy:#091a30;--panel:#10253f;--gold:#e6bd69;--ink:#f4f5f8;--muted:#b9c6d6;--line:#314158}*{box-sizing:border-box}body{margin:0;background:var(--navy);color:var(--ink);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:5px}header{max-width:1320px;margin:auto;min-height:110px;padding:26px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:15px;font:600 22px/1.25 Georgia,serif;letter-spacing:.13em}.brand-bottom{display:block;font:12px/2.1 system-ui;letter-spacing:.36em;color:var(--gold)}.brand img{width:62px;height:62px;object-fit:contain}nav{display:flex;align-items:center;gap:30px;font-size:14px}nav .nav-account{border:1px solid var(--gold);padding:10px 18px;border-radius:4px}main{max-width:1320px;margin:auto}section{padding:70px 48px}.hero{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:70px;padding-top:85px;padding-bottom:80px}.eyebrow{font-size:12px;letter-spacing:.17em;font-weight:650;color:var(--gold)}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.12;overflow-wrap:anywhere}h1{font-size:clamp(38px,4.7vw,67px);letter-spacing:-.025em;margin:24px 0}h2{font-size:38px;margin:15px 0 25px}h3{font-size:29px;margin:28px 0 16px}em{font-style:normal;color:var(--gold)}p{color:var(--muted)}.hero-copy>p{max-width:470px;font-size:19px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:32px}.button{display:inline-block;border:0;border-radius:4px;background:var(--gold);color:var(--navy);font:650 15px/1.5 system-ui;padding:15px 22px;cursor:pointer}.button:hover{color:var(--navy);background:#f1cf8e}.text-link{font-size:14px;font-weight:600;border-bottom:1px solid #766b50;padding-bottom:5px;display:inline-block}.featured{background:var(--panel);border:1px solid #907642;border-top:4px solid var(--gold);padding:44px;min-height:455px;display:flex;flex-direction:column;align-items:flex-start}.featured h2{font-size:clamp(32px,3.4vw,47px);margin:26px 0}.rule{height:1px;background:var(--gold);width:50px}.featured p{font-size:14px}.author{letter-spacing:.08em;font-size:14px;margin:12px 0 28px}.principles{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 48px;gap:20px;color:var(--gold);font-size:14px;letter-spacing:.05em}.section-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}.card{padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:5px;display:flex;flex-direction:column;align-items:flex-start}.card-top{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;width:100%}.card p{font-size:16px;margin-bottom:28px}.card .text-link{margin-top:auto}.badge{color:#d6dde7;font-size:12px;background:#233750;border-radius:3px;padding:4px 9px}.intro{font-size:19px;max-width:700px}.login{max-width:630px;margin:auto}.login h1{font-size:44px}.login form{margin:28px 0}.login label{display:block;margin:15px 0 5px;font-size:15px}.login input:not([type=checkbox]){width:100%;border:1px solid #607087;padding:14px;background:#10253f;color:white;border-radius:4px;font:inherit}.remember{display:flex!important;align-items:center;gap:10px;margin:20px 0!important}.remember input{width:18px;height:18px}.login button{width:100%}.notice{border:1px solid var(--gold);padding:15px}.reading{max-width:920px;min-height:65vh}.reading h1{font-size:48px}.private-content{background:var(--panel);padding:32px;margin-top:30px;overflow-wrap:anywhere}.private-content img{max-width:100%;height:auto}.private-content a{text-decoration:underline;color:var(--gold)}.empty{border:1px solid var(--line);padding:40px;margin:30px 0}footer{display:flex;justify-content:space-between;gap:25px;padding:30px 48px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:20px;padding:15px;background:var(--navy);z-index:5}@media(max-width:900px){header{padding:22px 24px}.hero{gap:30px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}section{padding:45px 24px}.featured{padding:28px}.principles{padding:24px}nav{gap:16px}}@media(max-width:620px){header{align-items:flex-start;flex-direction:column;gap:22px}nav{width:100%;gap:16px;flex-wrap:wrap}.hero{grid-template-columns:1fr;padding-top:45px;gap:38px}.hero h1{font-size:43px}.featured{min-height:0;padding:30px}.featured h2{font-size:37px}.principles{grid-template-columns:repeat(2,1fr);font-size:13px}.grid{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column}h2{font-size:33px}.reading h1,.login h1{font-size:36px}footer{flex-direction:column;padding:25px 24px;gap:8px}.private-content{padding:20px}}

/* Identidad original y portada: proporciones completas, sin recortes. */
.brand img{border-radius:0;background:transparent;flex-shrink:0}.featured.featured-cover{padding:0;background:transparent;border:0;min-height:0;align-items:center;gap:20px}.cover-link{display:block;width:100%;max-width:350px}.book-cover{display:block;width:100%;height:auto;box-shadow:0 22px 50px #0005}.card-cover{display:block;width:140px;max-width:100%;height:auto;margin:0 auto 26px}.detail-cover{display:block;width:250px;max-width:100%;height:auto;margin:28px 0}@media(max-width:620px){.cover-link{max-width:290px}}
.sdn-audio{display:grid;grid-template-columns:minmax(140px,240px) 1fr;gap:32px;align-items:center;background:#101f35;padding:28px;border:1px solid #d4af37;border-radius:20px;color:#fff}.sdn-audio img{width:100%;border-radius:10px}.sdn-audio audio{width:100%;margin:20px 0}.audio-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.audio-controls button,.audio-controls select{font:inherit;font-size:16px;padding:10px;border-radius:8px;border:1px solid #d4af37;background:#fff;color:#101f35}.sdn-audio p{color:#eee}#sdn-save{font-size:16px}@media(max-width:640px){.sdn-audio{grid-template-columns:1fr;padding:18px}.sdn-audio img{max-width:180px;margin:auto}}

.brand img{background:transparent!important;border:0;box-shadow:none}.crm-steps{padding-left:24px;font-size:19px}.crm-steps li{margin:18px 0}.login textarea{display:block;width:100%;font:inherit;padding:12px;border:1px solid var(--line);border-radius:5px;background:#fff;color:#091a30}.crm-hero .featured{padding:32px}@media(max-width:700px){header nav{flex-wrap:wrap;gap:14px}.crm-hero{gap:24px}}

/* Full artwork is retained across portrait, landscape and square covers. */
.sdn-offer{display:flex;flex-direction:column;min-width:0}.sdn-offer-cover{display:block;width:100%;height:300px;object-fit:contain;background:#081426;margin:0 0 24px;border-radius:8px}.sdn-offer .button{margin-top:auto;text-align:center}.sdn-audio-card-cover{display:block;width:100%;height:auto;margin:0 0 26px}.sdn-checkout-cover{display:block;width:100%;max-width:420px;max-height:420px;object-fit:contain;margin:24px auto}.sdn-audio{grid-template-columns:minmax(220px,380px) 1fr}@media(max-width:640px){.sdn-offer-cover{height:auto;max-height:420px}.sdn-audio{grid-template-columns:1fr}.sdn-audio img{max-width:100%}}

.sdn-crm-promo{display:block;width:100%;height:auto;object-fit:contain;border-radius:12px}.card .sdn-crm-promo{margin:0 0 24px}.sdn-crm-banner{padding-bottom:0}.sdn-crm-banner .sdn-crm-promo{max-width:1200px;margin:auto}

.sdn-finance-promo{display:block;width:100%;height:auto;object-fit:contain;border-radius:12px}
.card .sdn-finance-promo{margin:0 0 24px}
.sdn-finance-banner{padding-bottom:0}
.sdn-finance-banner .sdn-finance-promo{max-width:1200px;margin:auto}

.sdn-service-image{display:block;width:100%;height:auto;object-fit:contain;border-radius:12px}.card .sdn-service-image{margin-bottom:24px}.sdn-service-hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.sdn-service-hero h1{font-size:clamp(30px,4vw,54px)}#solicitar-cotizacion{margin:32px 0}.card li{margin-bottom:12px}@media(max-width:760px){.sdn-service-hero{grid-template-columns:1fr;gap:24px}}

/* 1.4: distinct sections, compact service rows, original artwork proportions. */
:root{--gold:#f0bf54}
header{gap:24px}header nav{gap:18px;flex-wrap:wrap;justify-content:flex-end}
main{max-width:none}main>section,main>.principles,main>footer{padding-left:max(24px,calc((100vw - 1200px)/2));padding-right:max(24px,calc((100vw - 1200px)/2))}
main>section{padding-top:56px;padding-bottom:56px}main>section.login,main>section.reading{padding:48px 24px}
section section{padding:40px 0}.hero{gap:48px;padding-top:56px;padding-bottom:56px}.hero .book-cover{max-height:440px;width:auto;max-width:100%;margin:auto}.cover-link{max-width:300px}
.sdn-light{--ink:#0b1426;--muted:#526075;--panel:#fff;--line:#dce1e8;color:var(--ink);background:#f7f7f5}
.sdn-light .eyebrow{color:#8c6210}.sdn-light .badge{color:#10253f;background:#f8edcf}
.sdn-light a:hover:not(.button){color:#8c6210}.sdn-light .card{box-shadow:0 8px 24px #0b142608}
.grid{align-items:start}.card{border-radius:14px;min-width:0}.card h3{margin:12px 0}.card p{margin:8px 0 20px}.card .button,.card .text-link{font-size:15px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:6px;background:var(--gold);color:#091a30;border:0;font-weight:650;line-height:1.45;text-align:center}
.sdn-services-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch}.sdn-services-grid>.card{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);column-gap:22px;row-gap:0;padding:24px;align-items:start}
.sdn-services-grid>.card>img{grid-column:1;grid-row:1 / span 6;align-self:center;width:100%;height:auto;margin:0;max-height:none;border-radius:8px}
.sdn-services-grid>.card>:not(img){grid-column:2}.sdn-services-grid>.card h3{font-size:26px}.sdn-services-grid>.card p{font-size:15px;line-height:1.6}.sdn-services-grid>.card .eyebrow{font-size:10px;letter-spacing:.1em}.sdn-services-grid>.card a{justify-self:start}
.sdn-books-grid{grid-template-columns:1fr;gap:18px}.sdn-books-grid>.sdn-offer{display:grid;grid-template-columns:minmax(160px,240px) minmax(0,1fr) 210px;column-gap:32px;row-gap:0;padding:24px;align-items:center}
.sdn-books-grid .sdn-offer-cover{grid-column:1;grid-row:1 / span 4;display:block;width:100%;height:auto;max-height:210px;object-fit:contain;background:transparent;margin:0;border-radius:0;filter:drop-shadow(0 8px 12px #091a301c)}
.sdn-books-grid .sdn-offer h3,.sdn-books-grid .sdn-offer p{grid-column:2;margin:8px 0}.sdn-books-grid .sdn-offer .button{grid-column:3;grid-row:1 / span 4;margin:0;width:100%}
.sdn-membership-band{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:56px;background:#10253f;color:#fff;border-top:1px solid #314158}.sdn-membership-band h2{font-size:clamp(34px,4vw,48px)}.sdn-membership-band ul{padding-left:22px;color:#c8d4e3}.sdn-membership-band li{margin:12px 0}.sdn-membership-price{border:1px solid #997e40;background:#091a30;border-radius:18px;padding:32px;text-align:center}.sdn-membership-price img{display:block;margin:0 auto 16px;object-fit:contain}.sdn-membership-price .sdn-price{color:#f0bf54;font:54px/1.2 Georgia,serif;margin:14px 0}.sdn-price span{font:16px/1.5 system-ui;color:#c8d4e3}.sdn-membership-price .button{width:100%}
.login select{width:100%;padding:14px;font:inherit;background:#10253f;color:#fff;border:1px solid #607087;border-radius:4px}.button-secondary{background:transparent;color:var(--gold);border:1px solid var(--gold)}.sdn-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sdn-resource-grid video{width:100%;height:auto;max-height:420px;background:#000;border-radius:8px}.sdn-resource-grid h2{font-size:28px}
main>.sdn-service-hero+section,main>.sdn-finance-banner~section:nth-of-type(3){--ink:#0b1426;--muted:#526075;--panel:#fff;--line:#dce1e8;background:#f7f7f5;color:var(--ink)}
main>.sdn-service-hero+section .grid,#planes-finanzas .grid{grid-template-columns:repeat(2,minmax(0,1fr))}main>.sdn-service-hero+section h2{font-size:30px}details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}footer{background:#07101f}
@media(max-width:1050px){.sdn-services-grid>.card{display:flex;gap:0}.sdn-services-grid>.card>img{margin:0 0 20px;max-width:100%}.sdn-books-grid>.sdn-offer{grid-template-columns:180px minmax(0,1fr);column-gap:24px}.sdn-books-grid .sdn-offer .button{grid-column:2;grid-row:auto;width:auto;justify-self:start}.sdn-books-grid .sdn-offer-cover{grid-row:1 / span 5}}
@media(max-width:700px){header nav{justify-content:flex-start}.sdn-services-grid,.sdn-resource-grid{grid-template-columns:1fr}.sdn-membership-band{grid-template-columns:1fr;gap:24px}.sdn-membership-price{padding:24px}.sdn-books-grid>.sdn-offer{display:flex;align-items:stretch;gap:12px}.sdn-books-grid .sdn-offer-cover{width:auto;max-width:100%;max-height:320px;margin:auto}.sdn-books-grid .sdn-offer .button{width:100%}.sdn-books-grid .sdn-offer h3{font-size:28px}.sdn-services-grid>.card{padding:24px}.hero{gap:32px}main>section{padding-top:40px;padding-bottom:40px}main>.sdn-service-hero+section .grid,#planes-finanzas .grid{grid-template-columns:1fr}}

/* 1.5.6 — Amazon preview, no purchase link until launch. */
.sdn-amazon-teaser{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);align-items:center;gap:40px;margin-top:32px;padding:28px;background:#071c2b;color:#fff8ed;border:1px solid #b88b37;border-radius:14px;overflow:hidden}
.sdn-amazon-teaser>img{display:block;width:100%;height:auto;border-radius:8px}
.sdn-amazon-copy{min-width:0}.sdn-amazon-copy h3{font-size:clamp(28px,3.2vw,44px);margin:18px 0}.sdn-amazon-copy p{color:#cad3dc}.sdn-amazon-copy small{display:block;color:#cad3dc;font-size:13px;margin-top:14px}
.sdn-light .sdn-amazon-copy .eyebrow{color:#ecc15d}
.sdn-amazon-copy .sdn-coming-soon:disabled{opacity:1;background:#ecc15d;color:#071c2b;cursor:default;box-shadow:none}
@media(max-width:700px){.sdn-amazon-teaser{grid-template-columns:1fr;padding:20px;gap:22px}.sdn-amazon-teaser>img{max-width:360px;margin:auto}.sdn-amazon-copy .button{width:100%}}
/* 1.5.5 — Navy, burgundy and gold from the new book cover. */
:root{--navy:#071c2b;--panel:#102a3b;--gold:#ecc15d;--ink:#fff9ee;--muted:#c4d0d9;--line:#344856;--burgundy:#810e1b}
body{background:var(--navy)}
header{max-width:none;padding-inline:max(24px,calc((100vw - 1200px)/2));background:#071c2b;border-bottom:1px solid #ecc15d55;gap:24px;flex-wrap:wrap}
header .brand{color:#fff4db;flex-shrink:0}header nav{flex:1;gap:12px 20px}nav .nav-account{background:#810e1b;color:#fff6e4;border-color:#bd9145;border-radius:6px}
.hero{position:relative;isolation:isolate;background:linear-gradient(112deg,#071c2b 0%,#102b40 62%,#071c2b 100%);border-bottom:2px solid #c49640;overflow:hidden}
.hero:before{content:"";position:absolute;z-index:-1;inset:0 0 0 63%;background:linear-gradient(150deg,#991525,#650b18);clip-path:polygon(25% 0,100% 0,100% 100%,0 100%)}
.hero h1{font-size:clamp(40px,4.6vw,66px);line-height:1.1}.hero h1 em{color:#ecc15d}.hero-copy{min-width:0}.hero-copy>p{line-height:1.75}
.hero .book-cover{max-height:510px;box-shadow:0 25px 48px #0006;border:1px solid #d5ab54;border-radius:2px}.hero .cover-link{max-width:340px}.hero .featured-cover .text-link{color:#fff6e6;border-color:#d8b567}
.button,.card .button,.card .text-link{background:linear-gradient(135deg,#f3cf78,#e2b44c);color:#172230;border:1px solid #c89b3f;border-radius:6px;box-shadow:0 3px 0 #00000012;transition:background .15s,box-shadow .15s}
.button:hover,.card .button:hover,.card .text-link:hover{background:#ffdc8b;color:#071c2b;box-shadow:0 5px 16px #0002}
.button-secondary{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.sdn-light{--ink:#162b38;--muted:#52616b;--panel:#fffdf8;--line:#e3dbcd;background:#f7f3eb}.sdn-light .eyebrow{color:#871422}.sdn-light .card{background:#fffdf8;border-color:#e3dbcd;box-shadow:0 8px 25px #172b3808}.sdn-light a:hover:not(.button){color:#810e1b}
.sdn-books-section{border-bottom:1px solid #e3dbcd}.sdn-books-grid>.sdn-offer{border-left:3px solid #991525}.sdn-books-grid .sdn-offer-cover{max-height:230px}
.principles{background:#810e1b;color:#ffe2a1;border-block:1px solid #c49640;font-weight:600;padding-block:24px}
.sdn-services-section{background:#ede8dd}.sdn-services-grid>.card{border-top:3px solid #b88b37}
.sdn-membership-band{background:linear-gradient(115deg,#730c19,#981626);border-top:1px solid #bd9145;color:#fff8ed}.sdn-membership-band p,.sdn-membership-band ul{color:#f0ddd6}.sdn-membership-band .eyebrow{color:#f5cf7b}.sdn-membership-price{background:#071c2b;border:1px solid #c49640;box-shadow:0 15px 35px #31050b30}.sdn-membership-price p{color:#c4d0d9}
footer{background:#051521;border-top:1px solid #bc914155}footer a{color:#eec977}
@media(max-width:900px){header{align-items:flex-start}.hero{grid-template-columns:1.1fr 1fr;gap:28px}.hero h1{font-size:44px}}
@media(max-width:620px){.hero{grid-template-columns:1fr;gap:32px}.hero:before{inset:57% 0 0;clip-path:polygon(0 18%,100% 0,100% 100%,0 100%)}.hero h1{font-size:clamp(37px,9.5vw,49px)}.hero .book-cover{max-height:390px}.hero .cover-link{max-width:260px}.hero .featured-cover{padding:0}.hero-copy>p{font-size:17px}.hero .actions{gap:18px}.principles{gap:16px;font-size:12px}.sdn-books-grid>.sdn-offer{padding:22px}.sdn-books-grid .sdn-offer-cover{max-height:340px}header nav{font-size:13px;gap:10px 16px}main>section{padding-inline:22px}h2{font-size:32px}}
@media(prefers-reduced-motion:reduce){.button,.card .button,.card .text-link{transition:none}}

/* Plan Web + CRM */
.sdn-bundle-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;padding:28px;border:1px solid #bb9449;border-radius:20px;background:#071c2b;color:#fff;overflow:hidden}
.sdn-bundle-card img{display:block;width:100%;height:auto;border-radius:12px}
.sdn-bundle-copy h2{color:#fff;margin:14px 0;font-size:clamp(28px,3vw,42px);line-height:1.15}
.sdn-bundle-copy .eyebrow{color:#ecc15d}.sdn-bundle-copy p,.sdn-bundle-copy li{color:#e3e8ef}.sdn-bundle-copy .sdn-bundle-price{color:#ecc15d;font-size:52px;font-weight:700;line-height:1.1;margin:20px 0}.sdn-bundle-price span{font-size:18px;font-weight:400}
.sdn-bundle-copy ul{padding-left:22px;line-height:1.8;margin:18px 0 24px}.sdn-bundle-copy .sdn-bundle-note{font-size:14px;line-height:1.5;margin-bottom:0}.sdn-bundle-copy .button{background:#ecc15d;color:#071c2b}
@media(max-width:700px){.sdn-bundle-card{grid-template-columns:1fr;padding:18px;gap:22px}.sdn-bundle-copy .sdn-bundle-price{font-size:44px}}

/* Portada principal 1.6.3 */
.hero:before{content:none;display:none}
.hero .cover-link{max-width:460px}
.hero .book-cover{width:100%;height:auto;max-height:none;border:0;box-shadow:none;border-radius:8px}
@media(max-width:620px){.hero .cover-link{max-width:400px;width:100%}}