:root{color-scheme:dark;--base:#09090c;--surface:#121216;--raised:#1b1b22;--text:#f4f6ff;--muted:#b7bdc9;--cyan:#45dfff;--pink:#ff65d8;--violet:#b996ff;--amber:#ffc76b;--line:#34343e;--reading:#121216;--reading-text:#f4f6ff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}body{margin:0;background:var(--base);color:var(--text);font:16px/1.6 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:6px}::selection{background:var(--cyan);color:var(--base)}.skip{position:fixed;left:16px;top:-100px;background:var(--cyan);color:var(--base);padding:12px;z-index:10}.skip:focus{top:16px}.header{padding:22px 5.5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#09090cf5;position:sticky;top:0;z-index:5;gap:25px}.brand{display:flex;align-items:center;gap:20px}.brand strong{font-size:28px;letter-spacing:-2px;line-height:1}.brand strong span{color:var(--cyan)}.brand>span{font-size:10px;letter-spacing:2.5px;line-height:1.6}.brand small{display:block;letter-spacing:.8px;font-size:10px;color:var(--muted)}nav{display:flex;gap:28px;font-size:13px;align-items:center}nav a:hover{color:var(--cyan)}.nav-reading{padding:9px 15px;border:1px solid #52525f;border-radius:3px}.nav-reading span{margin-left:12px;color:var(--cyan)}.review-bar{padding:9px 5.5%;display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #24242b;font-size:11px;color:#c0c0ca}.review-bar i{display:inline-block;width:6px;height:6px;background:var(--violet);border-radius:50%;margin-right:8px}.container{width:89%;max-width:1440px;margin:0 auto}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:2.5px;color:var(--cyan);font-weight:600}.hero{position:relative;display:grid;grid-template-columns:1fr 1.08fr;align-items:center;min-height:620px;gap:32px;padding:68px 0 60px}.hero-copy{position:relative;z-index:1}.hero h1{font-size:clamp(48px,5.35vw,83px);line-height:1.02;letter-spacing:-3.5px;font-weight:650;margin:25px 0}.hero h1 .light{font-weight:350;color:#bfc2cb}.hero h1 .underground{color:var(--text);display:block;font-size:.77em;letter-spacing:-2px;margin-top:9px}.hero h1 .accent{color:var(--pink)}.intro{max-width:500px;font-size:17px;color:var(--muted);line-height:1.8}.actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin:30px 0}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;background:var(--cyan);color:#09090c;font-weight:650;padding:14px 22px;font-size:14px;border:0;border-radius:2px}.primary:hover{background:#9eedff}.text-link{font-size:13px;border-bottom:1px solid #737383;padding-bottom:3px}.text-link:hover{color:var(--cyan)}.hero-caption{font-size:11px;color:#9696a3}.hero-art{position:relative;min-width:0;align-self:stretch;display:flex;align-items:center}.hero-art img{width:114%;max-width:none;margin-left:-8%;height:100%;object-fit:cover;position:absolute;top:0;mask-image:linear-gradient(90deg,transparent,#000 17%,#000 85%,transparent),linear-gradient(0deg,transparent,#000 15%,#000 85%,transparent);mask-composite:intersect}.art-note{position:absolute;bottom:12px;right:0;color:#c5c4d0;font-size:10px;text-align:right;padding:6px 10px;background:#09090cd9;border-left:1px solid var(--pink)}.stats{display:flex;gap:34px;padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.stats strong{font-size:20px;color:var(--text);margin-right:7px;font-weight:500}.stats .stats-last{margin-left:auto;color:var(--violet)}.outcomes{display:grid;grid-template-columns:1fr 1fr 1fr;gap:50px;padding:60px 0 70px}.outcomes span{display:block;color:var(--cyan);font-size:12px;margin-bottom:14px}.outcomes h2{font-size:19px;line-height:1.35;margin:0 0 12px;font-weight:500}.outcomes p{font-size:14px;color:var(--muted);margin:0;max-width:310px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:34px}.section-heading h2{font-size:42px;line-height:1.12;letter-spacing:-1.5px;margin:15px 0 0;font-weight:500}.section-heading>p{font-size:14px;color:var(--muted);max-width:330px;margin:0}.block-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.block{border-top:1px solid var(--line);padding-top:16px}.block-title-line{display:flex;justify-content:space-between;align-items:start;gap:12px}.block-title-line span{font-size:11px;letter-spacing:1.7px;color:var(--cyan)}.block-title-line a{font-size:12px;color:var(--muted)}.block-art{height:158px;position:relative;overflow:hidden;margin:18px 0 21px;background:#111116;border:1px solid #282831;display:flex;justify-content:center;align-items:center}.block-art:before{content:'';width:72%;height:180px;border:1px solid #9993;position:absolute;transform:rotate(-12deg);box-shadow:12px 10px 0 #09090c,13px 11px 0 #67657155}.block-art:after{content:'';position:absolute;width:76%;height:1px;background:var(--tone);transform:rotate(-30deg);box-shadow:0 0 26px var(--tone);opacity:.6}.block-art .artword{font-size:30px;font-weight:700;letter-spacing:6px;color:#dce0e8;z-index:1;transform:rotate(-5deg)}.block-art small{font-size:9px;position:absolute;bottom:7px;left:10px;color:#b3b3c3;z-index:2;background:#111116}.block h3{font-size:21px;line-height:1.35;font-weight:500;margin:0 0 16px}.lesson-list{list-style:none;padding:0;margin:0}.lesson-list li{border-top:1px solid #25252e}.lesson-list a{display:flex;align-items:start;gap:12px;font-size:13px;padding:12px 0;line-height:1.6}.lesson-list a:hover{color:var(--cyan)}.lesson-list span{color:#9899a6;font-size:11px;flex-shrink:0;padding-top:2px}.block-end{font-size:12px;color:var(--cyan);display:inline-block;margin-top:14px}.dossier{margin:72px 0;display:grid;grid-template-columns:.65fr 1.6fr auto;align-items:center;gap:35px;border-top:1px solid #56415a;border-bottom:1px solid #56415a;background:linear-gradient(120deg,#24152060,transparent 75%);padding:32px}.dossier-art{position:relative;height:130px;display:grid;place-items:center;font-size:60px;color:var(--pink);font-weight:200;border-left:1px solid var(--pink);background:linear-gradient(125deg,#261d2e,#121216)}.dossier h2{font-size:26px;line-height:1.2;font-weight:500;margin:12px 0}.dossier p{font-size:14px;color:var(--muted);margin:0}.dossier .eyebrow{color:var(--pink)}.work-section{border-top:1px solid var(--line);padding:40px 0 70px;display:grid;grid-template-columns:1fr 1.3fr;gap:70px}.work-section h2{font-size:33px;line-height:1.2;font-weight:500;margin:16px 0}.work-section p{color:var(--muted);font-size:15px;max-width:460px}.work-steps{list-style:none;padding:0;margin:0}.work-steps li{display:grid;grid-template-columns:40px 1fr;gap:15px;padding:17px 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.label{font-size:11px;letter-spacing:2px;color:var(--violet);text-transform:uppercase}.reading .example{padding:20px 25px;border-left:2px solid var(--cyan);background:#45dfff07;margin:30px 0}.reading .activity{padding:24px;border:1px solid #656571;margin:30px 0}.reading .activity p{font-size:16px}.reading details{border-top:1px solid #656571;margin-top:22px;padding-top:15px}.reading summary{cursor:pointer;font-size:15px;color:var(--reading-text);font-weight:600}.reading details p{font-size:16px}.table-wrap{overflow-x:auto;border:1px solid #656571}.reading table{border-collapse:collapse;width:100%;min-width:500px;font-size:14px}.reading th,.reading td{padding:14px;text-align:left;border-bottom:1px solid #656571}.reading th{font-weight:600}.reading .source-note{font-size:14px;color:var(--reading-text);opacity:.8}.page-navigation{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:30px 0 55px;font-size:14px}.page-navigation a{color:var(--cyan)}.pending{font-size:13px;border:1px dashed #656571;padding:16px}.mode-light{--reading:#f6f7fb;--reading-text:#182033}.mode-light .reading .label{color:#63339a}.mode-light .reading a{color:#075e70}.mode-light .reading a:focus-visible{outline-color:#075e70}.mode-light .reading .example{border-left-color:#075e70}.mode-light .reading .notice{border-left-color:#63339a}@media(min-width:1700px){.hero{min-height:690px}}@media(max-width:1050px){.header{gap:20px}.brand small{display:none}nav{gap:18px}.hero{min-height:580px;gap:12px}.hero h1{font-size:60px}.block-grid{grid-template-columns:repeat(2,1fr)}.dossier{grid-template-columns:.6fr 1.4fr}.dossier .text-link{grid-column:2;justify-self:start}.reading-layout{grid-template-columns:185px minmax(0,1fr);gap:25px}.reading{padding:25px 30px}.outcomes{gap:25px}}@media(max-width:700px){html{scroll-padding-top:140px}.container{width:89%}.header{padding:14px 5.5%;display:block}.brand strong{font-size:25px}.brand>span{font-size:9px}.header nav{margin-top:14px;justify-content:space-between;gap:10px;font-size:11px}.nav-reading{padding:4px 7px}.nav-reading span{margin-left:5px}.review-bar{font-size:10px}.review-bar>span:last-child{display:none}.hero{display:flex;flex-direction:column;padding:35px 0 20px;gap:0}.hero-copy{width:100%}.hero h1{font-size:clamp(45px,9.9vw,68px);letter-spacing:-2px;margin:20px 0}.hero h1 .underground{letter-spacing:-1px}.intro{font-size:15px;line-height:1.75}.actions{gap:24px;margin:25px 0}.primary{padding:13px 18px;gap:24px}.hero-art{height:270px;width:100%;align-self:auto}.hero-art img{width:112%;margin-left:-6%}.art-note{font-size:9px;bottom:0}.stats{gap:17px;flex-wrap:wrap;padding:20px 0;font-size:11px}.stats strong{font-size:17px}.stats .stats-last{width:100%;margin-left:0}.outcomes{grid-template-columns:1fr;padding:35px 0 45px;gap:28px}.outcomes>div{display:grid;grid-template-columns:24px 1fr;column-gap:16px}.outcomes span{grid-row:span 2;margin:0}.outcomes p{max-width:none}.section-heading{display:block}.section-heading h2{font-size:34px}.section-heading>p{margin-top:18px}.block-grid{grid-template-columns:1fr;gap:40px}.block-art{height:150px}.block h3{font-size:22px}.lesson-list a{font-size:14px}.dossier{margin:50px 0;grid-template-columns:1fr;padding:24px;gap:23px}.dossier-art{height:100px}.dossier .text-link{grid-column:1}.dossier h2{font-size:26px}.work-section{grid-template-columns:1fr;gap:15px;padding-bottom:40px}.work-section h2{font-size:28px}footer{display:block;padding:27px 5.5%}footer p{margin:12px 0}.breadcrumb{font-size:11px;line-height:1.8}.page-head{padding:10px 0 25px}.page-head h1{font-size:36px}.page-head p{font-size:16px}.reading-layout{display:block;padding:24px 0 40px}.toc{position:static;margin-bottom:22px}.toc details>summary{display:block;cursor:pointer;padding:12px 0;color:var(--cyan);font-size:14px}.toc>details:not([open]) .toc-links{display:none}.reading{padding:25px 21px}.reading h2{font-size:25px;scroll-margin-top:155px}.reading p,.reading li{font-size:17px}.reading .activity,.reading .example{padding:18px}.reader-controls{gap:15px;flex-wrap:wrap}.page-navigation{font-size:13px;line-height:1.5}.eyebrow{font-size:10px;letter-spacing:2px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Dirección revisada: tinta, viñeta y edición underground; sin escena interior. */
.hero h1{font-family:Arial, sans-serif;font-weight:850;letter-spacing:-4px}.hero h1 .light{font-weight:850;color:var(--text)}.hero h1 .underground{font-weight:850}.hero-art img{mask-image:linear-gradient(90deg,transparent,#000 8%,#000 96%,transparent),linear-gradient(0deg,transparent,#000 8%,#000 96%,transparent);mask-composite:intersect}.hero-art:after{content:"";position:absolute;left:6%;top:11%;height:28px;width:28px;border-left:2px solid var(--cyan);border-top:2px solid var(--cyan);pointer-events:none}.art-note{border-left:0;border-bottom:1px solid var(--pink);background:#09090ce8}.eyebrow{font-family:Consolas,monospace;letter-spacing:1.5px}.dossier-art{font-size:20px;font-weight:800;letter-spacing:3px;line-height:1.6}.block-art{background:repeating-linear-gradient(125deg,#18181e 0px,#18181e 1px,#111116 1px,#111116 6px)}.block-art .artword{font-family:Arial,sans-serif;font-weight:900;font-size:34px;letter-spacing:1px}.block-art:after{height:13px;opacity:.6;box-shadow:none}.block-art:before{transform:rotate(-8deg);box-shadow:9px 9px 0 #09090c,10px 10px 0 #67657155}.block-art small{font-family:Consolas,monospace;padding:2px 4px}.section-heading h2{font-weight:650}.hero{overflow:clip}.review-bar{font-family:Consolas,monospace}.hero .primary{box-shadow:4px 4px 0 #204e58;border-radius:0}.hero .primary:hover{transform:translateY(-1px)}@media(max-width:700px){.hero h1{letter-spacing:-2px}.hero-art{height:300px}.hero-art img{width:100%;margin-left:0}.hero-art:after{left:2%;top:5%}}

:root{--orange:#ff794f;--yellow:#ffd166;--amber:#ffc76b}
.hero{display:block;min-height:0;padding:0;isolation:isolate;border-bottom:1px solid #4c4344;overflow:hidden;background:#09090c}
.hero-inner{padding:70px 0 125px;min-height:720px;display:flex;align-items:center}
.hero-art{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:-2;overflow:hidden}
.hero-art img{position:absolute;inset:0;width:100%;height:100%;margin:0;object-fit:cover;object-position:center 43%;mask-image:none;filter:brightness(.84);max-width:none}
.hero-art:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#09090ce8 0%,#09090cc4 22%,#09090c66 44%,transparent 69%),linear-gradient(0deg,#09090cf5,transparent 24%,transparent 85%,#09090c55);z-index:1}
.hero-art:after{content:'';position:absolute;inset:0;left:0;top:0;width:auto;height:auto;border:none;background:linear-gradient(110deg,transparent 20%,#ffc76b12 30%,transparent 43%,#45dfff0c 55%,transparent 65%);mix-blend-mode:screen;animation:print-light 3.5s ease-out 1;transform-origin:center;pointer-events:none}
.hero-copy{max-width:590px;width:49%;z-index:2;animation:cover-enter .7s ease-out both}
.hero h1{font-size:clamp(52px,5.8vw,90px);line-height:1.01;margin:26px 0 28px;text-shadow:0 2px 0 #282830,0 5px 0 #08080ce0,0 12px 25px #000a}
.hero h1 .underground{font-size:.78em;letter-spacing:-2.5px}.hero h1 .accent{color:var(--orange)}
.magic-word{position:relative}.magic-word:after{content:'';position:absolute;left:2px;right:2px;bottom:3px;height:5px;background:var(--pink);transform:rotate(-2deg);box-shadow:0 2px 0 #763657;z-index:-1}
.hero .eyebrow{color:var(--yellow);background:#09090c75;padding:5px 8px;border-left:2px solid var(--orange);display:inline-block}
.hero .intro{max-width:460px;color:#edf0f8;font-size:17px;text-shadow:0 1px 8px #000;line-height:1.8}
.hero .actions{gap:22px}.hero .primary{background:var(--yellow);color:#141114;box-shadow:0 1px 0 #fff4 inset,0 -2px 0 #9d6025 inset,4px 5px 0 #8a3729,8px 12px 22px #0008;transform:none}
.hero .primary:hover{background:#ffe4a4;box-shadow:0 1px 0 #fff4 inset,0 -2px 0 #9d6025 inset,4px 5px 0 #8a3729,8px 12px 22px #0008}
.hero .text-link{color:#fff;padding:9px 10px;border-bottom-color:var(--cyan);background:#09090c75}.hero .text-link:hover{color:var(--cyan)}
.hero-copy>.hero-caption{color:#d3cfdf;text-shadow:0 1px 6px #000}.hero-bottom{position:absolute;left:5.5%;right:5.5%;bottom:27px;display:flex;justify-content:space-between;align-items:center;gap:20px;z-index:3}
.hero-bottom>.hero-caption{color:var(--violet);font-family:Consolas,monospace;font-size:11px;letter-spacing:1px}.hero-bottom .quiet-button{background:#09090ccd;border-color:#78737e;font-size:11px;box-shadow:0 1px 0 #ffffff14 inset}
.hero .art-note{right:5.5%;bottom:77px;color:#d2cdd6;z-index:2;background:#09090ca8;border-bottom-color:var(--orange)}
.stats{border-top:0;border-bottom-color:#554641;padding-top:26px}.stats>span:nth-child(1) strong{color:var(--cyan)}.stats>span:nth-child(2) strong{color:var(--pink)}.stats>span:nth-child(3) strong{color:var(--yellow)}
.outcomes>div:nth-child(2) span{color:var(--orange)}.outcomes>div:nth-child(3) span{color:var(--yellow)}
.block{padding:22px 20px 20px;background:linear-gradient(145deg,#202026,#111115 53%);border:1px solid #44444f;border-bottom-color:#141419;box-shadow:0 1px 0 #fff1 inset,0 5px 0 #08080b,0 6px 0 #35353d,0 16px 30px #0006}
.block-art{margin:20px 0 25px;box-shadow:3px 4px 0 #08080c,4px 5px 0 #55545d,9px 14px 18px #0008;transform:perspective(900px) rotateY(-4deg) rotateX(5deg);border-color:#595964;transform-origin:center}
.block-art:before{border-color:#8885;background:linear-gradient(110deg,#ffffff07,transparent 55%)}.block-art:after{box-shadow:0 2px 0 #fff2}
.block-art .artword{text-shadow:2px 3px 0 #08080c,3px 4px 0 #86869460}.block h3{font-size:20px}.block-grid{gap:32px}
.block:nth-child(2) .block-title-line>span{color:var(--pink)}.block:nth-child(3) .block-title-line>span{color:var(--violet)}.block:nth-child(4) .block-title-line>span{color:var(--orange)}.block:nth-child(5) .block-title-line>span{color:var(--yellow)}
.dossier{background:linear-gradient(120deg,#2b1b2d,#141217 70%);border:1px solid #655167;box-shadow:0 1px 0 #fff1 inset,0 5px 0 #0c090e,0 6px 0 #4c314b,0 18px 35px #0006}
.dossier-art{box-shadow:5px 6px 0 #09090c,6px 7px 0 #a5629355,13px 16px 22px #0007;transform:perspective(800px) rotateY(7deg) rotateZ(-2deg);border-top:1px solid #866b83;border-left-color:var(--orange);text-shadow:2px 2px 0 #08080c;color:var(--pink)}
.work-steps li:nth-child(2) span{color:var(--orange)}.work-steps li:nth-child(3) span{color:var(--yellow)}
.header{box-shadow:0 1px 0 #111,0 6px 16px #0006}.header:after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,#45dfff70,#ff65d870,#b996ff70,#ffc76b70,#ff794f70)}
.effects-off .hero-copy,.effects-off .hero-art:after{animation:none}.effects-off .hero-art:after{display:none}.effects-off .block-art,.effects-off .dossier-art{transform:none}
@keyframes cover-enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes print-light{from{opacity:0;transform:translateX(-15%)}40%{opacity:1}to{opacity:.5;transform:translateX(0)}}
@media(min-width:1700px){.hero-inner{min-height:790px}}
@media(max-width:1050px){.hero-inner{padding-top:55px;min-height:700px}.hero-copy{width:65%;max-width:560px}.hero h1{font-size:68px}.hero-art img{object-position:59% center}.hero-art:before{background:linear-gradient(90deg,#09090ced,#09090cb0 36%,#09090c22 75%),linear-gradient(0deg,#09090c,transparent 25%)}.hero .intro{font-size:16px}}
@media(max-width:700px){.hero-inner{min-height:710px;padding:180px 0 100px;align-items:end}.hero-copy{width:100%;max-width:none}.hero h1{font-size:clamp(46px,10.7vw,66px);letter-spacing:-2px;margin:22px 0}.hero h1 .underground{letter-spacing:-1.7px}.hero-art{height:100%;width:100%}.hero-art img{width:100%;height:100%;object-position:57% top;filter:brightness(.85)}.hero-art:before{background:linear-gradient(0deg,#09090cf0 0%,#09090cc4 41%,#09090c99 61%,#09090c10 100%)}.hero .intro{font-size:15px;line-height:1.75;color:#e4e5ee}.hero .actions{gap:20px;margin-bottom:23px}.hero .text-link{font-size:12px;padding:6px 0}.hero .primary{font-size:13px}.hero .eyebrow{font-size:9px;padding:5px 7px}.hero .art-note{display:none}.hero-bottom{bottom:24px;gap:12px}.hero-bottom>.hero-caption{font-size:9px;letter-spacing:0;max-width:145px}.hero-bottom .quiet-button{font-size:10px;padding:7px 9px}.hero-copy>.hero-caption{font-size:10px}.block-grid{gap:30px}.block{padding:19px}.dossier-art{transform:perspective(800px) rotateY(7deg) rotateZ(-1deg)}.hero-art:after{inset:0;width:auto;height:auto}}
@media(prefers-reduced-motion:reduce){.hero-copy,.hero-art:after{animation:none}.hero-art:after{display:none}.block-art,.dossier-art{transform:none}}

.hero-inner{min-height:890px;align-items:end;padding:365px 0 110px;justify-content:center}.hero-copy{width:100%;max-width:1050px;text-align:center}.hero h1{font-size:clamp(50px,5.8vw,87px);line-height:1.01;letter-spacing:-3px;margin:18px 0 20px}.hero h1 br{display:none}.hero h1 .light{margin-left:12px}.hero h1 .underground{display:block;font-size:1em;letter-spacing:-3px;margin:0}.hero-art img{object-fit:cover;object-position:center top;filter:none}.hero-art:before{background:linear-gradient(0deg,#09090c 0%,#09090ce0 13%,#09090c99 36%,#09090c15 66%,transparent)}.hero .intro{max-width:700px;margin:0 auto;font-size:17px;color:#e6e6ed;line-height:1.7}.hero .actions{justify-content:center;margin:25px 0 20px}.hero .eyebrow{background:#09090cc9}.hero-copy>.hero-caption{display:none}.hero .art-note{display:none}.hero-bottom{bottom:27px}.hero .text-link{background:#09090cb0;padding:12px 14px}.hero-art:after{animation:print-light 4s ease-out 1;background:linear-gradient(115deg,transparent 12%,#45dfff14 27%,transparent 41%,#ff794f18 62%,transparent 80%)}
.block-art{height:250px;background:#08080d;transform:perspective(1200px) rotateX(3deg);padding:0;overflow:hidden}.block-art img{display:block;width:100%;height:100%;object-fit:contain}.block-art:before,.block-art:after{display:none}.block h3{min-height:54px}.block-art .artword,.block-art small{display:none}.dossier-art{background:#08080d;height:220px;transform:perspective(800px) rotateY(6deg);border:0}.dossier-art img{width:100%;height:100%;object-fit:contain}.dossier{grid-template-columns:.8fr 1.8fr auto}.block-page-card .block-art{height:320px}.real-head{display:grid;grid-template-columns:1fr 230px;gap:50px;align-items:center}.real-head h1{font-size:clamp(35px,4vw,58px)}.lesson-cover{display:block;width:100%;height:270px;object-fit:contain;box-shadow:0 12px 25px #0007;background:#08080d}.real-head .primary{font-size:12px;padding:11px 16px;gap:22px;background:var(--yellow)}.real-head .edition{font-size:12px;color:var(--muted);margin-top:15px}.real-reader .reading-layout{grid-template-columns:260px minmax(0,850px);gap:45px}.real-reader .toc{max-height:calc(100vh - 125px);overflow-y:auto;padding-right:14px;scrollbar-width:thin}.real-reader .toc a{font-size:12px;padding:8px 0}.actual-content{max-width:850px;padding:44px 55px;background:var(--reading);color:var(--reading-text);border-top:3px solid var(--cyan);box-shadow:0 10px 30px #0004}.actual-content p{font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.82}.actual-content h2{font-size:29px;font-weight:600;padding-top:12px;border-top:1px solid #8992a04d;margin-top:52px}.actual-content h2:first-child{margin-top:0;border:0;padding:0}.actual-content h3{font-size:22px;color:var(--violet)}.mode-light .actual-content h3{color:#63339a}.actual-content a{text-decoration:underline;text-underline-offset:3px;color:var(--cyan);overflow-wrap:anywhere}.mode-light .actual-content a{color:#075e70}.actual-content figure{margin:30px auto;text-align:center}.actual-content figure img{max-width:100%;max-height:720px;height:auto;width:auto;display:block;margin:auto}.actual-content .approved-answers{border:1px solid #a9aeb9;background:#a1aac008;border-radius:3px;padding:20px;margin:45px 0;scroll-margin-top:120px}.actual-content .approved-answers summary{font-size:20px;line-height:1.5}.actual-content .approved-answers[open] summary{margin-bottom:25px}.actual-content .approved-answers p{font-size:19px}.lesson-download{margin-top:40px;padding-top:25px;border-top:1px solid #a9aeb9;font-size:15px}.mode-light .reading{color-scheme:light}.mode-light .actual-content{--reading-text:#182033}.hero .magic-word:after{bottom:2px;height:4px}.mode-light .actual-content a:focus-visible{outline-color:#075e70}
@media(max-width:1050px){.hero-inner{min-height:850px;padding-top:320px}.hero h1{font-size:64px}.hero-copy{width:100%;max-width:900px}.hero .intro{max-width:650px}.real-reader .reading-layout{grid-template-columns:190px minmax(0,1fr);gap:25px}.actual-content{padding:35px}.real-head{grid-template-columns:1fr 150px;gap:25px}.lesson-cover{height:200px}.dossier{grid-template-columns:.8fr 1.5fr}.dossier .text-link{grid-column:2}}
@media(max-width:700px){.hero-inner{min-height:800px;padding:280px 0 105px;align-items:end}.hero h1{font-size:clamp(39px,9.4vw,62px);letter-spacing:-1.5px;line-height:1.07;margin:18px 0}.hero h1 .light{display:block;margin-left:0}.hero h1 .underground{letter-spacing:-1.7px;font-size:.96em;margin-top:2px}.hero-art img{object-fit:cover;object-position:50% top;height:63%;width:100%}.hero-art:before{background:linear-gradient(0deg,#09090c 20%,#09090ce8 37%,#09090c38 62%,transparent 85%)}.hero .intro{font-size:15px;line-height:1.7;max-width:370px}.hero .actions{gap:16px;margin-top:23px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.hero .text-link{font-size:12px;padding:9px 7px}.hero-bottom>.hero-caption{max-width:125px}.block-art{height:260px}.block h3{min-height:0}.dossier{grid-template-columns:1fr}.dossier-art{height:280px;max-width:290px;width:100%;justify-self:center}.dossier .text-link{grid-column:1}.real-head{grid-template-columns:1fr}.lesson-cover{display:none}.real-reader .reading-layout{display:block}.real-reader .toc{position:static;max-height:none;overflow:visible;padding:0}.real-reader .toc .toc-links{max-height:50vh;overflow-y:auto;padding:0 15px 10px 0}.actual-content{padding:27px 22px}.actual-content p,.actual-content .approved-answers p{font-size:18px;line-height:1.78}.actual-content h2{font-size:25px}.actual-content h3{font-size:21px}.actual-content .approved-answers{padding:16px;scroll-margin-top:160px}.actual-content .approved-answers summary{font-size:18px}.real-head .reader-controls{gap:17px}.real-head .primary{font-size:11px;gap:18px}.real-head .edition{font-size:11px}}

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:root{--focus:#ffc76b}.header a[aria-current="page"]{color:var(--cyan);text-decoration:underline;text-underline-offset:7px}.sample-section{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:70px;align-items:center;padding:70px 0;border-top:1px solid #47424e;border-bottom:1px solid #47424e}.sample-section h2,.access-offer h2{font-size:clamp(30px,4vw,48px);line-height:1.14;margin:18px 0}.sample-section p,.access-offer p{color:#cdc7d4;max-width:640px;line-height:1.8}.sample-cover img{width:100%;height:290px;object-fit:contain;filter:drop-shadow(12px 15px 12px #0009);transform:rotate(2deg)}.sample-section .actions{flex-wrap:wrap}.dossier{position:relative}.dossier-label{position:absolute;top:15px;left:20px;color:#ffc76b;font-size:11px}.dossier{padding-top:45px}.access-offer{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:70px;align-items:center;margin:60px 0 90px;border-top:1px solid 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#4b424e;background:#121116}.study-block-cover img{width:100%;height:190px;object-fit:contain;box-shadow:7px 7px 0 #09090b}.study-block h3{font-size:27px;margin:10px 0 20px}.study-lessons{list-style:none;padding:0;margin:0}.study-lessons li+li{border-top:1px solid #48414b}.study-lessons li>a{display:grid;grid-template-columns:35px minmax(0,1fr) auto;gap:18px;padding:22px 12px;align-items:center;color:#efebf3;text-decoration:none}.study-lessons small{display:block;font-size:12px;color:#c2bdc9;margin-top:9px}.study-lessons strong{font-size:18px;line-height:1.5;font-weight:500}.row-number{font-family:Consolas,monospace;color:#9f9bad}.row-access{display:flex;align-items:center;gap:12px}.access-badge{display:inline-block;padding:6px 8px;border:1px solid #66616d;border-radius:3px;font-size:11px;color:#ddd8e4;line-height:1.3;white-space:nowrap}.access-badge.open{color:#ffdc9a;border-color:#ac8552}.block-flow-head{display:grid;grid-template-columns:minmax(0,1fr) 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@media(max-width:1000px){.row-access{grid-column:2;justify-self:start}.study-lessons li>a{grid-template-columns:30px minmax(0,1fr);gap:8px 15px}.sample-section,.access-offer{gap:30px}.continue-panel{display:block}.continue-panel .primary{margin-top:20px;display:inline-flex}.study-block{grid-template-columns:110px minmax(0,1fr);gap:22px}.access-comparison>section{padding:25px}}
@media(max-width:700px){.sample-section{grid-template-columns:1fr;padding:40px 0;gap:20px}.sample-cover{grid-row:1}.sample-cover img{height:210px}.sample-section h2,.access-offer h2{font-size:32px}.access-offer,.access-comparison{grid-template-columns:1fr}.access-offer{margin:40px 0;padding-top:35px}.price-card{padding:24px}.study-block{display:block;padding:22px}.study-block-cover{display:none}.study-block h3{font-size:23px}.study-lessons li>a{padding:20px 0}.study-lessons strong{font-size:17px}.study-shortcuts{gap:20px;flex-wrap:wrap}.continue-panel{padding:24px}.continue-panel h2{font-size:25px}.block-flow-head{grid-template-columns:1fr;gap:15px}.block-flow-cover{height:210px;grid-row:1}.reader-dock{gap:7px;justify-content:space-between;padding:5px 8px;flex-wrap:wrap}.reader-dock span{width:100%;text-align:center;padding-bottom:4px}.real-head .reader-controls{flex-wrap:wrap}.actual-content h2[id],.actual-content details[id],.practice-tools{scroll-margin-top:160px}.practice-tools{padding:16px}.access-comparison>section{padding:24px}.access-comparison h2{font-size:28px}.toc summary{padding:16px 0}.real-reader .page-navigation{display:grid;gap:20px}.page-navigation a{overflow-wrap:anywhere}.dossier-label{position:static;grid-column:1/-1}.materials-grid{min-width:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

html{scroll-padding-top:0}

.actual-content ul,.actual-content ol{padding-left:1.3em;margin:20px 0}.actual-content li{font-family:Georgia,serif;font-size:19px;line-height:1.8;margin:8px 0}.actual-content figcaption{font-size:14px;line-height:1.65;text-align:left;color:inherit;margin-top:15px}.actual-content table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6}.actual-content th,.actual-content td{padding:12px;border:1px solid #96939c;text-align:left;vertical-align:top}.actual-content th{background:#7567891a}.actual-content .table-wrap{overflow-x:auto;max-width:100%;margin:25px 0}.actual-content td p,.actual-content th p{font:inherit}.actual-content h4{font-size:20px;line-height:1.5}.actual-content caption{font-size:15px;text-align:left;margin-bottom:12px}@media(max-width:700px){.actual-content li{font-size:18px}.actual-content table{min-width:520px}}

.actual-content figure img{width:100%;height:auto;max-height:none;object-fit:contain}.actual-content .table-wrap::before{content:"Tabla · desplaza horizontalmente si es necesario";display:block;font-size:12px;padding-bottom:10px;color:inherit}.actual-content :focus-visible{outline:3px solid #94469b;outline-offset:4px}

.activity-answer{margin:22px 0;padding:18px;border:1px solid #8f7996;border-radius:3px;background:#9673a20b}.activity-answer summary{cursor:pointer;font-family:Arial,sans-serif;font-size:16px;line-height:1.5}.activity-answer[open] summary{margin-bottom:15px}

.account-hint{border-left:3px solid var(--cyan,#45dfff);padding:1rem 1.25rem;margin:1.25rem 0;line-height:1.7;background:rgba(69,223,255,.035)}
.account-hint a{text-decoration:underline;text-underline-offset:.25em}.account-hint button{margin-left:1rem}
.reader-dock{flex-wrap:wrap;gap:.65rem 1rem}.reader-dock [data-save-point]{border:1px solid currentColor;border-radius:.25rem;padding:.45rem .7rem;background:transparent;color:inherit;font:inherit;cursor:pointer}
.reader-dock [data-save-point]:disabled{opacity:.55;cursor:default}.reader-dock #bookmark-status{max-width:34ch;font-size:.8rem;line-height:1.35}
.account-review{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;padding:12px clamp(16px,5vw,80px);font-size:.8rem;background:#211623;color:#ffe3f6;border-block:1px solid #65405b}.account-review a{color:inherit;text-decoration:underline;text-underline-offset:.2em}
.access-gate{max-width:1050px;min-height:60vh}.access-gate h1{font-size:clamp(2rem,5vw,4rem)}
.account-links{display:flex;gap:1rem;flex-wrap:wrap}.account-links a{color:inherit}.price-card small{line-height:1.6}
@media(max-width:700px){.reader-dock{padding:8px 12px;gap:8px;font-size:.8rem}.reader-dock #bookmark-status{flex:1 1 100%;max-width:none}.actual-content{padding-bottom:5rem}.account-hint{padding:.8rem 1rem}.account-hint button{margin:10px 0 0}}

.dossier-art{display:block;min-width:0;overflow:hidden}.dossier-art img{display:block;width:100%;height:100%;object-fit:contain}

/* Only the illustration moves; the readability veil and interface stay above it. */
.hero-art .universe-surface{position:absolute;inset:0;display:block;width:100%;height:100%;pointer-events:none;max-width:none;z-index:0;opacity:0}
.hero-art.universe-ready .universe-surface{opacity:1}
.hero-art:after{display:none;animation:none}
.hero .hero-copy{animation:none;transform:none}
.hero-art.universe-fallback>img{transform-origin:50% 25%;animation:universe-orbit 14s linear infinite}
.universe-fallback-stars{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(circle,#b0eaff 1px,transparent 3px),radial-gradient(circle,#e4a0ff 1px,transparent 4px);background-size:173px 131px,251px 193px;animation:universe-stars 9s linear infinite;mask-image:linear-gradient(#000 5%,transparent 70%)}
.hero-art.universe-paused>img,.hero-art.universe-paused .universe-fallback-stars,.effects-off .hero-art>img,.effects-off .universe-fallback-stars{animation-play-state:paused}
@keyframes universe-orbit{0%,100%{transform:scale(1.035) translate(0,0)}25%{transform:scale(1.045) translate(.65%,.35%)}50%{transform:scale(1.035) translate(0,.7%)}75%{transform:scale(1.025) translate(-.65%,.35%)}}
@keyframes universe-stars{to{background-position:173px 131px,-251px 193px}}
@media(max-width:700px){.hero-art .universe-surface{height:63%}}
@media(prefers-reduced-motion:reduce){.hero-art.universe-fallback>img,.universe-fallback-stars{animation:none}}