:root{--ink:#11243a;--muted:#576779;--blue:#195bd7;--blue2:#0d46b1;--line:#e2eaf1;--bg:#f7f9fc;--mint:#eaf7f2;--shadow:0 16px 50px rgba(19,48,78,.09);--rad:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}p{margin:0 0 1.15em}.container{width:min(1120px,calc(100% - 44px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{min-height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--blue);display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;letter-spacing:-1px}.brand span{display:block;font-size:16px;line-height:1.05;font-weight:790;letter-spacing:-.04em}.brand small{display:block;font-size:10px;font-weight:680;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:6px}.nav-items{display:flex;align-items:center;gap:26px}.nav-items>a:not(.btn){font-size:14px;color:#395068;font-weight:650}.nav-items>a[aria-current=page]{color:var(--blue)}.menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:7px 12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;line-height:1.2;font-weight:750;padding:14px 20px;min-height:47px;text-align:center;box-shadow:0 5px 12px rgba(25,91,215,.12);transition:transform .2s ease,background .2s ease}.btn:hover{background:var(--blue2);color:#fff;text-decoration:none;transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--ink);border-color:#cbd8e7;box-shadow:none}.btn.secondary:hover{background:#f2f6fb;color:var(--ink)}.btn.white{color:var(--blue);background:#fff}.linkarrow{white-space:nowrap;font-weight:710}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.115em;text-transform:uppercase;font-weight:830;color:var(--blue);margin-bottom:18px}.hero{background:linear-gradient(135deg,#f8fbff 0%,#fff 65%,#f3faf8 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:center;padding-block:88px 85px}.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.08;letter-spacing:-.055em;margin:0 0 22px;font-weight:830}.lead{font-size:19px;color:#50657a;max-width:630px;line-height:1.67}.hero .lead{max-width:580px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.stats{display:flex;gap:25px;flex-wrap:wrap;margin-top:35px}.stat{border-left:2px solid #cdd9e8;padding-left:13px;font-size:13px;color:var(--muted)}.stat strong{display:block;color:var(--ink);font-size:22px;line-height:1.05}.product-preview{background:#fff;border:1px solid #e3eaf2;border-radius:24px;box-shadow:var(--shadow);padding:20px;max-width:415px;margin:auto}.preview-cover{width:min(250px,83%);margin:0 auto;border-radius:9px;overflow:hidden;box-shadow:0 15px 30px rgba(2,18,44,.19)}.product-caption{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:19px 4px 0;font-size:13px;color:var(--muted)}.product-caption strong{font-size:20px;color:var(--ink)}.section{padding-block:78px}.section.soft{background:var(--bg)}.section h2,.page-title{font-size:clamp(30px,3.8vw,43px);letter-spacing:-.04em;line-height:1.18;margin:0 0 14px}.section-head{max-width:700px;margin-bottom:32px}.muted{color:var(--muted)}.grid{display:grid;gap:20px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.tile{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px;box-shadow:0 3px 9px rgba(15,44,73,.025)}.tile h3{font-size:20px;line-height:1.3;letter-spacing:-.025em;margin:10px 0 9px}.tile p{font-size:14.5px;color:var(--muted);line-height:1.7}.tile .num{color:#65829d;font-weight:800;letter-spacing:.1em;font-size:13px}.tile a{font-weight:760}.tile:hover{border-color:#bfd0e6}.tag{display:inline-block;padding:5px 11px;border-radius:30px;background:#ebf2fd;color:#2859aa;font-size:12px;font-weight:760;letter-spacing:.015em}.tag.neutral{background:#eef1f4;color:#526272}.tag.green{background:#e7f6ec;color:#156743}.feature{display:flex;align-items:flex-start;gap:15px}.feature b{display:block;letter-spacing:-.012em;font-size:17px;margin-bottom:5px}.feature-icon{flex:none;width:40px;height:40px;border:1px solid #d8e5f5;background:#eef5ff;display:grid;place-items:center;border-radius:12px;color:var(--blue);font-weight:800}.feature p{font-size:14px;color:var(--muted);margin:0}.box-offer{background:#102b50;color:#fff;border-radius:24px;padding:42px;display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:center}.box-offer h2{margin:0 0 13px;color:#fff}.box-offer p{color:#cbdcef;margin-bottom:0}.offer-actions{text-align:right}.price{font-size:43px;line-height:1.1;font-weight:820;letter-spacing:-.06em;color:#fff;margin-bottom:16px}.offer-actions .btn{width:100%;max-width:270px}.smallnote{font-size:12px;line-height:1.6;color:#67798a}.box-offer .smallnote{color:#b5c8de;margin:9px 0 0}.faq{max-width:820px;margin-inline:auto}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-size:17px;font-weight:740;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';font-size:24px;color:var(--blue);line-height:1}.faq details[open] summary:after{content:'−'}.faq details p{padding-top:13px;color:var(--muted);font-size:15px}.footer{border-top:1px solid var(--line);background:#f9fbfd;padding:45px 0 24px;color:var(--muted);font-size:13px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:36px}.footer strong{color:var(--ink)}.footer a{display:block;color:var(--muted);margin:7px 0}.footer a:hover{color:var(--blue)}.footer-bottom{margin-top:30px;border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.page-head{background:#f9fbff;border-bottom:1px solid var(--line);padding:62px 0 55px}.page-head .lead{margin-bottom:0}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:65px;align-items:start}.prose{max-width:760px;font-size:16px;color:#263d53;line-height:1.82}.prose h2{color:var(--ink);font-size:28px;letter-spacing:-.035em;line-height:1.25;margin:36px 0 16px}.prose h3{color:var(--ink);font-size:20px;line-height:1.3;margin:28px 0 11px}.prose p{margin-bottom:19px}.prose li{margin-bottom:7px}.prose ul,.prose ol{padding-left:23px;margin:0 0 23px}.prose code{background:#eff4f9;padding:2px 5px;font-size:.9em;border-radius:4px}.codebox{background:#10243b;color:#e5f4ff;overflow:auto;border-radius:14px;padding:18px 19px;margin:24px 0;font-size:13px;line-height:1.72;white-space:pre}.codebox code{background:none;padding:0;color:inherit;font-size:inherit}.note{border-left:3px solid var(--blue);background:#eff5ff;padding:17px 19px;border-radius:0 12px 12px 0;margin:24px 0;font-size:14.5px}.note strong{color:var(--ink)}.aside{position:sticky;top:110px;border:1px solid var(--line);border-radius:17px;padding:22px;background:#fff}.aside h3{font-size:17px;margin:0 0 9px}.aside p{color:var(--muted);font-size:14px}.aside .btn{width:100%;font-size:13px;padding:12px}.byline{font-size:13px;color:var(--muted);margin:15px 0 0}.related{border-top:1px solid var(--line);padding-top:30px;margin-top:45px}.related h2{margin-bottom:20px}.module-card{display:flex;flex-direction:column;min-height:245px}.module-card .module-text{flex:1}.module-card h3{font-size:18px;margin:10px 0}.module-card p{font-size:14px}.module-card .linkarrow{margin-top:10px;font-size:14px}.pill-cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.pill-cats a{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 13px;font-weight:690;color:#445d74;font-size:13px}.pill-cats a:hover{color:var(--blue);border-color:#b5cbe8;text-decoration:none}.guide-card{display:block;color:var(--ink)}.guide-card:hover{text-decoration:none}.guide-card h3{color:var(--ink)}.guide-card span.linkarrow{color:var(--blue)}.product-hero{display:grid;grid-template-columns:1fr 300px;gap:75px;align-items:center}.product-hero .cover{max-width:300px;margin:auto;border-radius:11px;box-shadow:0 15px 30px rgba(0,15,31,.16)}.bullets{list-style:none;padding:0}.bullets li{position:relative;padding:7px 0 7px 27px}.bullets li:before{content:'✓';position:absolute;left:0;color:#11856c;font-weight:900}.legal{font-size:14px;color:var(--muted)}.share-tools{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.share-tools button,.share-tools a{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:9px;color:#335877;font-weight:700;font-size:13px}.share-tools button:hover,.share-tools a:hover{background:#f0f5fb;text-decoration:none}.callout{padding:21px;border-radius:15px;background:var(--mint);border:1px solid #cae7db}.callout strong{color:#105f49}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;transform:translateY(-140%);left:15px;z-index:999;background:#fff;padding:12px}.skip:focus{transform:none}.toast{position:fixed;right:20px;bottom:20px;background:#112b4b;color:#fff;padding:14px 18px;border-radius:11px;font-size:14px;box-shadow:var(--shadow);z-index:100;max-width:340px;display:none}.toast.show{display:block}.highlight-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.highlight-list .feature{padding:10px 0}.author-strip{display:flex;align-items:center;gap:22px;border-top:1px solid var(--line);padding-top:27px;margin-top:36px}.author-avatar{display:grid;place-items:center;flex:none;width:56px;height:56px;border-radius:50%;background:#eaf2ff;color:var(--blue);font-weight:800}.author-strip strong{display:block}.author-strip p{font-size:13px;color:var(--muted);margin:0}
@media(max-width:950px){.hero-grid{gap:24px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr;gap:28px}.aside{position:static;max-width:660px}.product-hero{gap:30px}.highlight-list{grid-template-columns:1fr 1fr}}
@media(max-width:740px){.container{width:min(100% - 34px,1120px)}.nav{min-height:68px}.brand span{font-size:14px}.brand small{font-size:9px}.menu-btn{display:block}.nav-items{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 22px 22px;box-shadow:0 18px 26px rgba(15,34,54,.07);flex-direction:column;gap:12px;align-items:stretch}.nav-items.open{display:flex}.nav-items>a:not(.btn){font-size:16px;padding:7px 0}.hero-grid,.product-hero{grid-template-columns:1fr;gap:42px;padding-block:56px}.hero h1{font-size:42px}.lead{font-size:17px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.stats{gap:16px}.stat strong{font-size:19px}.product-preview{width:100%;max-width:400px}.section{padding-block:55px}.grid.three,.grid.two,.highlight-list{grid-template-columns:1fr}.box-offer{grid-template-columns:1fr;padding:28px}.offer-actions{text-align:left}.offer-actions .btn{max-width:unset}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.page-head{padding:45px 0 40px}.page-title{font-size:34px}.prose{font-size:15.5px}.prose h2{font-size:25px}.product-hero .cover{width:210px}.tile{padding:22px}.codebox{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:740px){.linkarrow{white-space:normal}}


/* ===== PratiLab v3 · refinamento visual responsive ===== */
:root{--ink:#10243d;--muted:#5a6e80;--blue:#175bd7;--blue2:#1248ae;--line:#e4ebf3;--bg:#f8fafc;--shadow:0 26px 65px rgba(24,59,100,.09);--rad:20px}
body{letter-spacing:-.005em}
.container{width:min(1220px,calc(100% - 68px))}
.site-header{background:rgba(255,255,255,.9);box-shadow:0 1px 0 rgba(18,52,92,.035);backdrop-filter:blur(18px)}
.nav{min-height:80px}
.brand-mark{border-radius:13px;box-shadow:0 6px 14px rgba(26,91,215,.17)}
.nav-items>a:not(.btn){transition:color .18s ease}.nav-items>a:not(.btn):hover{color:var(--blue);text-decoration:none}
.btn{border-radius:13px;padding:14px 21px;box-shadow:0 8px 18px rgba(25,91,215,.12)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(0,107,241,.48);outline-offset:3px}
.hero{position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(circle at 75% 22%,rgba(226,240,255,.75),transparent 32%),linear-gradient(140deg,#f9fbff 0%,#fff 60%,#f8fcfd 100%)}
.hero:after{content:"";position:absolute;inset:auto -12% -72% 46%;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(30,115,224,.045),transparent 66%);pointer-events:none;z-index:-1}
.hero-grid{grid-template-columns:minmax(0,1.18fr) minmax(330px,.82fr);column-gap:clamp(50px,7vw,108px);align-items:center;padding-block:64px 66px;min-height:625px}
.hero-copy{max-width:685px;min-width:0}
.hero .eyebrow{font-size:12px;letter-spacing:.12em;margin-bottom:20px}
.hero h1{font-size:clamp(42px,4.25vw,62px);line-height:1.105;letter-spacing:-.055em;margin:0 0 21px;max-width:680px;text-wrap:balance}
.hero .lead{max-width:610px;font-size:18px;line-height:1.64;margin-bottom:0;color:#556b80}
.hero-actions{margin-top:28px;gap:12px}.hero-actions .btn{min-height:52px}
.stats{gap:16px;margin-top:33px}.stat{border-left:0;border:1px solid #e5ecf4;background:rgba(255,255,255,.74);border-radius:12px;padding:10px 13px;min-width:118px;font-size:12px;line-height:1.5;box-shadow:0 4px 10px rgba(19,55,91,.025)}.stat strong{font-size:21px;margin-bottom:3px}
.product-preview{width:100%;max-width:405px;margin-inline:auto;background:#fff;border:1px solid #e3eaf3;border-radius:24px;box-shadow:0 22px 55px rgba(20,51,91,.09);padding:17px 17px 15px;position:relative;isolation:isolate;transform:none}
.preview-top{display:flex;align-items:center;gap:8px;padding:0 4px 12px;color:#56738f;font-size:10px;letter-spacing:.1em;font-weight:800}
.preview-dot{width:7px;height:7px;background:#19b9ae;border-radius:50%;box-shadow:0 0 0 4px #e5faf8;flex:none}
.preview-edition{margin-left:auto;color:#3763a0;font-size:10px;background:#f0f5fc;border-radius:25px;padding:4px 8px}
.preview-art{position:relative;display:grid;place-items:center;overflow:hidden;min-height:330px;padding:15px 0;background:linear-gradient(155deg,#f5faff,#ecf5ff 62%,#f7fbff);border:1px solid #e5edf7;border-radius:17px}
.visual-glow{position:absolute;width:240px;height:240px;left:50%;top:50%;transform:translate(-50%,-50%);background:#b4d7fa;opacity:.3;filter:blur(65px);border-radius:50%}
.preview-cover{position:relative;z-index:1;width:213px;height:284px;max-width:none;object-fit:contain;margin:0 auto;border-radius:5px;box-shadow:0 13px 25px rgba(4,30,69,.19);transform:perspective(900px) rotateY(-4deg)}
.product-caption{margin:15px 3px 0;align-items:center;font-size:12px}.product-caption span strong{display:block;font-size:14px;color:var(--ink)}.product-caption small{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.product-caption .preview-price{color:#11479d;font-size:21px;white-space:nowrap;letter-spacing:-.045em}
.preview-link{display:flex;justify-content:center;gap:6px;align-items:center;padding:12px 6px 0;border-top:1px solid #eef2f8;margin-top:14px;font-weight:730;font-size:12px}
.section{padding-block:80px}.section-head{max-width:750px}.section h2{letter-spacing:-.045em}.tile{border-radius:19px;box-shadow:0 6px 18px rgba(13,39,74,.025);transition:transform .19s ease,border-color .19s ease,box-shadow .19s ease}.tile:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(13,39,74,.065)}
.box-offer{background:linear-gradient(125deg,#0e274b,#164471 130%);border:1px solid #183d63;box-shadow:0 16px 36px rgba(13,45,87,.1)}
.page-head{background:linear-gradient(130deg,#fbfdff,#f5faff);padding-block:63px}
.product-hero{grid-template-columns:minmax(0,1fr) 280px;gap:70px}
.product-hero .cover{max-width:235px;box-shadow:0 19px 38px rgba(0,15,31,.13)}
.kiwify-alt{display:inline-block;color:#cddcf4;text-decoration:underline;text-underline-offset:3px;font-size:12px;margin-top:12px}.kiwify-alt:hover{color:#fff}
@media(max-width:1050px){.hero-grid{grid-template-columns:minmax(0,1.18fr) minmax(295px,.82fr);gap:34px}.container{width:min(100% - 48px,1220px)}.hero h1{font-size:clamp(39px,4.5vw,55px)}.product-preview{max-width:365px}.preview-art{min-height:310px}.preview-cover{width:196px;height:261px}.hero .lead{font-size:17px}}
@media(max-width:740px){.container{width:min(100% - 34px,1220px)}.hero-grid,.product-hero{grid-template-columns:1fr;gap:38px;min-height:0;padding-block:52px 54px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(36px,8.4vw,47px);letter-spacing:-.047em;line-height:1.13}.hero .lead{font-size:16.5px;line-height:1.64}.hero .eyebrow{font-size:10px;letter-spacing:.11em}.hero-actions{margin-top:25px}.stats{justify-content:space-between;gap:8px}.stat{min-width:0;flex:1;padding:8px;font-size:10.5px}.stat strong{font-size:18px}.product-preview{max-width:390px;padding:14px}.preview-art{min-height:278px}.preview-cover{width:177px;height:236px;transform:none}.preview-top{padding-bottom:10px}.product-caption{margin-top:12px}.section{padding-block:57px}.product-hero .cover{max-width:210px}.page-head{padding-block:46px}}
@media(max-width:400px){.stats{gap:5px}.stat{padding:8px 5px;text-align:center}.hero h1{font-size:35px}.preview-art{min-height:254px}.preview-cover{width:160px;height:214px}.product-caption .preview-price{font-size:18px}}
@media(prefers-reduced-motion:reduce){.tile:hover{transform:none}.preview-cover{transform:none}}

/* Explicit media intrinsic sizing: prevent HTML height attributes stretching the book cover. */
.product-hero .cover{display:block;width:235px;max-width:100%;height:auto;aspect-ratio:3/4;object-fit:contain}
@media(max-width:740px){.product-hero .cover{width:210px;height:auto}}


/* ===== Marca do Leão · Tecnologia na Prática Lab ===== */
.brand{gap:12px}
.brand-emblem{width:48px;height:48px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 4px 7px rgba(12,51,92,.08))}
.brand span{font-weight:800;letter-spacing:-.035em}
.footer-brand-logo{width:min(100%,345px);max-height:123px;height:auto;object-fit:contain;object-position:left center;margin:-9px 0 6px}
@media(min-width:741px) and (max-width:990px){.brand-emblem{width:43px;height:43px}.brand span{font-size:15px}.nav{gap:14px}.nav-items{gap:16px}}
@media(max-width:740px){.brand-emblem{width:42px;height:42px}.brand{gap:8px}.brand span{font-size:14px}.brand small{font-size:9px}.footer-brand-logo{width:min(100%,320px);margin:-6px 0 10px}}
@media(max-width:350px){.brand span{font-size:12px}.brand small{font-size:8px}.brand-emblem{width:38px;height:38px}}