:root{--ink:#17243a;--muted:#67758a;--blue:#1768d2;--navy:#102d55;--bg:#f7f9fc;--line:#e3e9f1;--cream:#fff;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:15px/1.58 system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button{cursor:pointer}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(30px,4vw,48px)}h2{font-size:26px;margin:28px 0 18px}h3{font-size:19px}p{margin:10px 0 18px}.wrap{max-width:1150px;margin:auto;padding:0 24px}.top{background:#fff;border-bottom:1px solid 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p{font-size:13px;min-height:45px;color:var(--muted)}.card-foot{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:12px;font-size:11px;color:var(--muted)}.pad{padding:27px}.muted{color:var(--muted)}.narrow{max-width:790px}.authbox{max-width:530px;margin:65px auto;padding:0 18px}.authbox h1{font-size:32px}.editform p,form>p{display:flex;flex-direction:column;gap:5px}input:not([type=radio]):not([type=checkbox]),textarea,select{max-width:100%;width:100%;padding:11px 12px;border:1px solid #ced8e5;border-radius:8px;background:#fff;color:var(--ink)}input[type=file]{padding:14px!important}label{font-weight:620;font-size:13px}form .helptext{font-size:12px;color:var(--muted)}ul.errorlist{color:#b83030}.back{display:block;margin-bottom:20px}.empty{border:1px dashed #a8b9cf;padding:30px;border-radius:12px;color:var(--muted);grid-column:1/-1}.chip{display:inline-block;border-radius:4px;background:#ebf3ff;color:var(--blue);padding:4px 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nav{width:100%;overflow:auto;font-size:12px}.hero-grid,.course-layout,.features{grid-template-columns:1fr}.hero-art{min-height:220px}.cards{grid-template-columns:1fr}.section{padding-top:30px;padding-bottom:35px}.coursebanner{padding:35px 0}.coursebanner h1{font-size:34px}.sectionhead,.foot{align-items:start;flex-direction:column}.list-row{align-items:start}.pad{padding:19px}}

/* AULA GEO · Diseño visual versión 2, inspirado en patrones de aprendizaje, no en la marca de terceros */
:root{--ink:#18263a;--muted:#626d7e;--blue:#145fc4;--navy:#132c53;--bg:#f9fafc;--line:#e2e7ed;--radius:12px}
body{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;letter-spacing:-.005em}
.skip{position:absolute;top:-50px;left:12px;background:#fff;padding:10px;z-index:100}.skip:focus{top:10px}
.wrap{max-width:1240px}.top{box-shadow:0 1px 3px #132f4c09}.nav{min-height:72px;gap:22px}.brand{font-size:23px;letter-spacing:-.045em}.brandmark{border-radius:5px;width:35px;height:35px;background:#155fbf;font-weight:850;font-size:22px}.brand:hover{text-decoration:none}.nav-explore{font-size:13px;font-weight:750;white-space:nowrap}.nav nav{font-size:13px}.search{max-width:410px;background:#fff;border-color:#a8b3c4;border-radius:6px}.search:focus-within{outline:2px solid #b9d7ff}.search input{padding:9px 14px}.search button{font-size:24px}.btn{border-radius:6px;font-weight:750}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #ffbb45;outline-offset:2px}
.hero{background:#eff5ff;color:var(--ink);overflow:hidden}.hero-grid{min-height:430px;gap:60px;padding-top:50px;padding-bottom:50px;grid-template-columns:1.05fr .95fr}.hero .eyebrow{color:#1159b2}.hero h1{font-size:clamp(36px,4.65vw,61px);line-height:1.1;letter-spacing:-.05em;font-weight:850;margin:18px 0}.hero h1 span{color:#135fbe}.hero p{color:#48576d;font-size:17px;line-height:1.7;max-width:570px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}.hero-light{background:white!important;border-color:#c7d5e8!important;color:#165db4!important}.hero-light:hover{background:#f6faff!important;color:#124d94!important}.hero-trust{font-size:11px;color:#647389;margin-top:25px;line-height:1.9}.hero-trust span{padding:0 7px}.hero-art{height:340px;background:linear-gradient(175deg,#c7e3f7,#eef6fc 65%);border:1px solid #cfdeef;border-radius:15px;box-shadow:0 16px 40px #123f7519;overflow:hidden;position:relative;display:block}.hero-sun{position:absolute;width:94px;height:94px;right:17%;top:13%;border-radius:50%;background:#f8f6de;box-shadow:0 0 60px #fff8d8}.hero-ridge{position:absolute;bottom:-20px;left:-12%;width:125%;height:70%;clip-path:polygon(0 76%,14% 44%,27% 65%,43% 10%,59% 58%,72% 19%,87% 55%,100% 30%,100% 100%,0 100%)}.ridge-back{background:#91b9d0;bottom:12px;opacity:.7}.ridge-middle{background:#5e91ad;transform:translateX(5%);bottom:-32px}.ridge-front{background:#255979;transform:translateX(-12%);bottom:-108px;opacity:.95}.hero-floating{position:absolute;right:17px;bottom:21px;background:white;box-shadow:0 7px 35px #112f4b25;border-radius:10px;padding:13px 16px;display:flex;align-items:center;gap:11px}.hero-floating strong{display:block;font-size:13px}.hero-floating small{display:block;color:#667384;font-size:11px}.mini-icon{width:30px;height:30px;background:#e8f7ef;color:#11774b;font-weight:800;border-radius:50%;display:grid;place-items:center}.hero-chip{position:absolute;left:17px;top:17px;font-size:10px;letter-spacing:.12em;color:#2f5778;background:#ffffffbf;padding:7px 12px;border-radius:20px;font-weight:800}
.quick-features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-top:26px;padding-bottom:24px;border-bottom:1px solid var(--line)}.quick-features>div{display:flex;align-items:center;gap:13px}.quick-features b,.quick-features small{display:block}.quick-features b{font-size:13px}.quick-features small{font-size:12px;color:var(--muted)}.feature-ic{width:43px;height:43px;display:grid;place-items:center;background:#e7f0ff;color:#145fc4;border-radius:10px;font-size:19px}.section{padding-top:55px;padding-bottom:35px}.sectionhead h2{font-size:29px;margin:9px 0 6px}.sectionhead p{font-size:14px;margin:0}.count-chip{border:1px solid #dce5f3;background:#f3f7fe;border-radius:30px;padding:6px 12px;font-size:12px;color:#3166a2;font-weight:750;white-space:nowrap}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.course-card{border-radius:9px;border:1px solid #e0e5ec;box-shadow:0 4px 15px #1228410a}.course-card:hover{transform:translateY(-2px);box-shadow:0 11px 28px #102f5218}.cover{height:172px}.cover-a{background:linear-gradient(135deg,#225178 10%,#1a8595 90%)}.cover-b{background:linear-gradient(135deg,#173d70 10%,#6e77b9 90%)}.cover-symbol{font-size:115px;opacity:.35;transform:rotate(-20deg)}.cover-label{position:absolute;top:14px;left:17px;color:#ecf7ff;font-size:11px;font-weight:800;letter-spacing:.14em}.card-body{padding:18px 20px 16px}.course-provider{font-size:11px;color:#2167b6;font-weight:700}.card-body h3{font-size:19px;line-height:1.3;margin:8px 0 9px;min-height:49px}.course-summary{font-size:12px!important;line-height:1.6;min-height:55px!important;margin:0 0 13px!important}.card-foot{padding-top:11px;align-items:center}.course-link{font-size:12px;font-weight:800;color:#155fb9}.promo-strip{background:#163765;color:white;border-radius:14px;padding:34px 39px;display:flex;align-items:center;justify-content:space-between;gap:30px}.promo-strip .eyebrow{color:#c7def8}.promo-strip h2{color:white;font-size:27px;margin:8px 0}.promo-strip p{color:#dde9f8;margin:0}.footer-brand{font-size:20px;font-weight:850}.footer-brand span{color:#88c2ff}.foot p{font-size:13px}
.coursebanner{background:#173660;padding:45px 0 52px}.coursebanner h1{font-size:clamp(32px,4vw,48px);max-width:830px}.coursebanner p{font-size:17px;max-width:800px}.breadcrumbs{display:flex;gap:9px;color:#bbd5f5;font-size:12px;margin-bottom:22px}.breadcrumbs a{color:#cfe4ff}.course-kicker{font-weight:750;letter-spacing:.14em;color:#a9ceff;font-size:10px}.course-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:13px}.course-layout{grid-template-columns:minmax(0,2.05fr) minmax(260px,0.95fr);gap:24px}.course-main{min-width:0}.course-tabs{display:flex;gap:27px;overflow-x:auto;white-space:nowrap;border-bottom:1px solid var(--line);padding:1px 4px 13px;font-size:13px;font-weight:700}.course-tabs a{color:#47576b}.course-tabs a:hover{color:var(--blue)}.card{box-shadow:0 3px 15px #14294308}.card.pad{padding:28px}.card.pad h2{font-size:23px}.row-label{display:flex;align-items:center;gap:13px;min-width:0}.row-label small{margin-left:0}.lesson-ic{display:grid;place-items:center;background:#eaf2ff;color:#1b61b6;font-size:14px;font-weight:800;flex:none;width:35px;height:35px;border-radius:50%}.list-row{gap:12px}.actions{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;font-weight:750}.aside-hero{background:linear-gradient(130deg,#1c4f84,#398ea7);height:123px;margin:-28px -28px 23px;border-radius:12px 12px 0 0;display:flex;justify-content:center;align-items:center;gap:12px;color:white;font-size:20px;font-weight:800}.aside-icon{font-size:42px;color:#bfebff}.aside-stat{display:flex;justify-content:space-between}.teacher-menu{border-top:1px solid var(--line);padding-top:15px;margin-top:18px}.teacher-menu h3{font-size:16px}.teacher-menu .side-link{font-size:13px}.studio-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:25px 0}.studio-steps>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px;display:flex;flex-direction:column;gap:5px}.studio-steps span{font-size:12px;font-weight:850;color:#1b67bc}.studio-steps b{font-size:15px}.studio-steps small{color:var(--muted)}.studio-course h3{font-size:17px;margin:5px 0}.studio-course small{margin-left:0}.dashboard-head{display:flex;justify-content:space-between;align-items:center;margin-top:25px;margin-bottom:19px}.dashboard-head>div{display:flex;align-items:center;gap:10px}.dashboard-head h2{margin:0}.dash-symbol{font-size:23px;color:#1764bf}
@media(max-width:950px){.nav-explore{display:none}.hero-grid{gap:25px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-features{gap:12px}.studio-steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.hero-grid{grid-template-columns:1fr;padding-top:37px;gap:28px}.hero-art{height:260px}.hero h1{font-size:38px}.hero-trust{margin-top:14px}.quick-features{grid-template-columns:1fr;padding-top:22px}.cards{grid-template-columns:1fr}.section{padding-top:37px}.course-layout{grid-template-columns:1fr}.course-tabs{gap:17px}.card.pad{padding:20px}.aside-hero{margin:-20px -20px 20px}.promo-strip{padding:25px;flex-direction:column;align-items:flex-start}.promo-strip h2{font-size:23px}.studio-steps{grid-template-columns:repeat(2,1fr)}.studio-course{flex-direction:column}.nav nav{font-size:12px}.nav{gap:10px}.coursebanner{padding:32px 0}}