:root{--navy:#092333;--muted:#536670;--teal:#075b78;--orange:#f56a14;--paper:#fff;--cream:#f7f7f2;--line:#dce3e2}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--cream);color:var(--navy);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}img{max-width:100%;height:auto;display:block}a{color:var(--teal);text-underline-offset:4px}a:hover{color:#a63800}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1220px,calc(100% - 64px));margin:auto}.skip{position:fixed;z-index:30;left:12px;top:10px;background:var(--navy);color:white;padding:12px;transform:translateY(-160%)}.skip:focus{transform:none}.topbar{position:sticky;z-index:20;top:0;background:#fffffff5;border-bottom:1px solid var(--line)}.topbar>.wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;gap:12px;align-items:center;color:var(--navy);text-decoration:none;font-weight:850;font-size:22px;letter-spacing:.7px}.brand img{width:48px;height:48px;object-fit:contain}.brand small{display:block;font-size:9px;letter-spacing:1.7px;font-weight:650}.topbar nav{display:flex;gap:25px;font-size:13px;font-weight:650;align-items:center}.topbar nav a{text-decoration:none;color:var(--navy)}.menu{display:none}.breadcrumbs{font-size:12px;display:flex;gap:10px;flex-wrap:wrap;padding:25px 0;color:var(--muted)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;color:var(--teal);margin:0 0 12px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4.3vw,55px);line-height:1.1;letter-spacing:-1.7px;max-width:1030px;margin-bottom:21px}h2{font-size:clamp(25px,3vw,36px);line-height:1.22;letter-spacing:-.7px;margin-bottom:21px}h3{font-size:22px;line-height:1.3}p{margin-bottom:20px}.lead{font-size:19px;color:var(--muted);max-width:920px;line-height:1.65}.tags{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;margin:24px 0 30px}.tags span{border:1px solid #cddadb;border-radius:100px;padding:7px 12px;background:#fff9}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:11px 21px;border:1px solid #b0c3c8;border-radius:8px;background:white;color:var(--navy);text-decoration:none;font-size:14px;font-weight:750;cursor:pointer}.button.primary{background:var(--orange);border-color:var(--orange)}.button:hover{background:#e9f1f1;color:var(--navy)}.button.primary:hover{background:#e85c09}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}.watch-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start;margin-bottom:50px}.video-frame{aspect-ratio:16/9;position:relative;background:#092333;border-radius:15px;overflow:hidden;box-shadow:0 10px 35px #0c2e3f12}.video-frame>img,.video-frame>iframe{width:100%;height:100%;object-fit:cover;border:0}.video-frame>iframe{position:absolute;inset:0}.play-button{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;border:0;background:linear-gradient(transparent 10%,#081c2a35 60%,#081c2a9c);color:white;cursor:pointer}.play-button>span{background:#ffffffed;color:var(--navy);border-radius:100px;padding:13px 23px;box-shadow:0 4px 20px #0003;font-size:15px;font-weight:800;display:flex;gap:12px;align-items:center}.play-button>span:before{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--orange)}.play-button:hover>span{background:white;transform:scale(1.03)}.video-note{font-size:12px;color:var(--muted);margin-top:12px}.video-title{font-size:14px;line-height:1.5;margin-top:15px;font-weight:600}.course-sidebar,.objectives{background:#edf3f2;border:1px solid #d5e2df;border-radius:14px;padding:23px}.course-sidebar h2,.objectives h2{font-size:19px;letter-spacing:0;margin-bottom:15px}.course-nav{list-style:none;margin:0;padding:0}.course-nav li+li{border-top:1px solid #ccdcd8}.course-nav a{display:block;padding:13px 0;font-size:13px;line-height:1.5;text-decoration:none}.course-nav .current{font-weight:800;color:var(--navy)}.course-nav small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.course-nav .done>a:after{content:" · Completada";color:var(--teal);font-size:11px}.progress-track{height:5px;border-radius:5px;background:#ceded8;margin:15px 0;overflow:hidden}.progress-track>span{display:block;height:100%;background:var(--teal);width:0}.progress-label,.progress-note{font-size:12px;color:var(--muted)}.progress-note{font-size:11px;margin-top:10px;margin-bottom:0}.text-button{background:none;border:0;padding:0;color:var(--teal);text-decoration:underline;cursor:pointer;font-size:12px}.article-layout{display:grid;grid-template-columns:245px minmax(0,800px);justify-content:space-between;gap:48px;padding-bottom:50px}.toc{position:sticky;top:106px;align-self:start;font-size:13px;border-top:3px solid var(--teal);padding-top:16px}.toc h2{font-size:15px;margin-bottom:15px;letter-spacing:0}.toc a{display:block;padding:7px 0;text-decoration:none;line-height:1.5}.reading{font-size:18px;line-height:1.85}.reading section{scroll-margin-top:108px;margin-bottom:45px}.reading h2{padding-top:9px}.reading ul,.reading ol{padding-left:23px}.reading li{margin-bottom:10px}.reading .references{font-size:14px;line-height:1.7}.reference-number{font:11px system-ui;margin-left:3px;white-space:nowrap}.table-scroll{overflow-x:auto;margin:25px 0;border:1px solid var(--line);border-radius:9px}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;line-height:1.65}th{background:var(--navy);color:white;font-size:13px}td,th{padding:14px 15px;vertical-align:top}tr+tr td{border-top:1px solid var(--line)}tbody tr:nth-child(even){background:#edf3f04d}.exercise{padding:26px;border:1px solid #cadbd9;border-radius:12px;background:#edf3f0}.exercise h2{font-size:26px}.quiz-card{background:white;border:1px solid var(--line);border-radius:12px;margin:22px 0;padding:24px}.quiz-card fieldset{border:0;margin:0;padding:0}.quiz-card legend{font-weight:700;font-size:17px;line-height:1.5;padding:0;margin-bottom:15px}.quiz-card label{display:flex;align-items:flex-start;gap:12px;font-size:15px;margin-bottom:12px;line-height:1.55;cursor:pointer}.quiz-card input{margin-top:5px;accent-color:var(--teal)}.quiz-feedback{font-size:15px;margin:15px 0 0;border-left:3px solid var(--teal);padding-left:13px}.lesson-controls{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:40px}.lesson-controls a{text-decoration:none;background:white;border:1px solid var(--line);padding:19px;border-radius:10px;font-size:15px;line-height:1.5}.lesson-controls small{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.lesson-controls a:last-child{text-align:right}.related{margin-top:25px;padding-top:23px;border-top:1px solid var(--line)}.related a{display:block;margin:12px 0;font-size:16px}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:30px 0 60px}.video-card{background:white;border:1px solid var(--line);border-radius:13px;overflow:hidden;text-decoration:none;color:var(--navy);display:flex;flex-direction:column}.video-card:hover{box-shadow:0 10px 24px #13374513;color:var(--navy)}.video-card img{aspect-ratio:16/9;width:100%;object-fit:cover}.video-card>div{padding:22px;flex:1}.video-card h2{font-size:22px;letter-spacing:-.3px;margin-bottom:13px}.video-card p{font-size:14px;line-height:1.65;color:var(--muted);margin-bottom:16px}.video-card small{font-size:11px;display:block;color:var(--teal);font-weight:700;letter-spacing:.7px;margin-bottom:9px}.card-cta{font-size:13px;font-weight:750;color:var(--teal)}.featured-course{background:var(--navy);border-radius:18px;color:white;padding:38px;display:grid;grid-template-columns:1.08fr .92fr;gap:35px;margin:28px 0 45px;align-items:center}.featured-course img{border-radius:10px;width:100%;aspect-ratio:16/9;object-fit:cover}.featured-course h2{font-size:36px}.featured-course p{color:#d7e4e7;font-size:16px}.featured-course .eyebrow{color:#ffd4b6}.search-panel{border-top:1px solid var(--line);padding-top:25px}.search-panel label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}.search-panel input{width:100%;border:1px solid #aabbc0;border-radius:8px;padding:13px 15px;min-height:50px;background:white}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:19px}.filters button{border:1px solid #b4c6c8;border-radius:100px;background:white;padding:9px 15px;font-size:12px;color:var(--navy);cursor:pointer}.filters button[aria-pressed=true]{background:var(--navy);color:white;border-color:var(--navy)}.result-count{font-size:13px;color:var(--muted);margin-top:17px}.section-intro{max-width:870px;font-size:17px;color:var(--muted)}.footer{border-top:1px solid var(--line);padding:30px 0 40px;font-size:12px;color:var(--muted)}.footer>.wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer nav{display:flex;gap:20px;flex-wrap:wrap}.privacy-links{width:100%;font-size:12px;margin:18px 0 0;text-align:center}.privacy-links button{border:0;background:none;color:var(--teal);text-decoration:underline;font-size:12px;cursor:pointer}.style-decisions{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin:28px 0 40px}.style-decisions>div{border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:8px;background:white;padding:20px}.style-decisions h3{font-size:18px}.style-decisions p{font-size:14px;line-height:1.7;margin-bottom:0}.style-visual{border-radius:15px;background:#e9f2f1;margin:28px 0;overflow:hidden}.style-visual img{width:100%;height:auto}.style-visual figcaption{padding:15px 23px;font-size:12px;color:var(--muted)}.download-box{background:var(--navy);color:white;padding:27px;border-radius:13px}.download-box p{font-size:15px;color:#d7e4e7}.download-box h2{font-size:27px}.download-box .button{color:var(--navy)}.age-note{font-size:14px;color:var(--muted)}.style-letter{display:inline-flex;width:45px;height:45px;align-items:center;justify-content:center;border-radius:50%;background:var(--navy);color:white;font-size:22px;font-weight:750;margin-bottom:12px}.callout{border-left:4px solid var(--orange);padding:17px 23px;background:#fdf0e4;font-size:16px;margin:23px 0}.style-nav{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.style-nav a{display:inline-flex;padding:8px 12px;border:1px solid #b7c9c9;background:white;border-radius:7px;font-size:13px;text-decoration:none}.compare-choice{padding:24px;background:#e9f2f1;border-radius:12px;margin:25px 0}.compare-choice select{width:100%;padding:11px;background:white;border:1px solid #adc4c6;border-radius:7px}.compare-results{margin-top:16px}.compare-results a{display:block;margin:8px 0}.course-list{display:grid;grid-template-columns:1fr 1fr;gap:25px}.course-list .video-card img{aspect-ratio:16/9}.course-intro{max-width:860px}.course-list .video-card h2{font-size:24px}
@media(max-width:950px){.watch-grid{grid-template-columns:minmax(0,1fr) 240px;gap:20px}.wrap{width:calc(100% - 42px)}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar nav{gap:15px}.featured-course{padding:27px;gap:25px}.featured-course h2{font-size:29px}.style-decisions{gap:12px}.style-decisions>div{padding:16px}}
@media(max-width:680px){html{scroll-padding-top:83px}.wrap{width:calc(100% - 34px)}.topbar>.wrap{min-height:71px;flex-wrap:wrap;gap:0;padding:11px 0}.brand{font-size:19px;gap:9px}.brand img{width:41px;height:41px}.brand small{font-size:8px;letter-spacing:1px}.menu{display:block;margin-left:auto;border:1px solid var(--line);background:white;border-radius:7px;padding:8px 12px;font-size:13px}.topbar nav{display:none;width:100%;padding:14px 0 6px;flex-wrap:wrap;gap:14px 25px}.topbar nav.open{display:flex}.breadcrumbs{font-size:11px;padding:21px 0;gap:7px}h1{font-size:34px;letter-spacing:-1px;line-height:1.14}.lead{font-size:16px;line-height:1.7}.eyebrow{font-size:10px;letter-spacing:1.3px}.tags{gap:8px;margin:18px 0 23px}.tags span{font-size:11px;padding:6px 10px}.watch-grid{grid-template-columns:1fr;gap:25px;margin-bottom:35px}.video-frame{border-radius:10px}.video-note{font-size:11px}.course-sidebar{padding:22px}.article-layout{display:block}.toc{position:static;margin-bottom:32px;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:7px;padding:20px}.toc a{padding:6px 0}.reading{font-size:16px;line-height:1.8}.reading section{margin-bottom:35px}.reading h2{font-size:27px}.reading h3{font-size:22px}.table-scroll table{min-width:530px;font-size:13px}td,th{padding:12px}.exercise,.quiz-card{padding:21px}.quiz-card legend{font-size:16px}.quiz-card label{font-size:14px}.lesson-controls{gap:12px}.lesson-controls a{padding:14px;font-size:13px}.lesson-controls small{font-size:11px}.library-grid,.course-list{grid-template-columns:1fr;gap:24px}.featured-course{display:flex;flex-direction:column-reverse;padding:24px;gap:23px}.featured-course h2{font-size:30px}.featured-course .button{width:100%}.video-card>div{padding:23px}.video-card h2{font-size:25px}.filters{gap:8px}.filters button{font-size:11px;padding:8px 12px}.style-decisions{grid-template-columns:1fr}.style-decisions>div{padding:19px}.download-box{padding:23px}.download-box .button{width:100%}.style-visual figcaption{padding:13px 18px}.footer>.wrap{display:block}.footer nav{margin-top:15px;gap:15px}.actions .button{flex:1 1 145px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}