/* Isaque Victor — cursos gratuitos · camada única de identidade (mesma base do ivhelp.ai / home)
   Tudo que é chrome (nav, hero da aula, progresso, rodapé, quiz, índice) vive aqui.
   As aulas mantêm o CSS próprio de conteúdo, que enxerga a paleta nova pelos aliases legados no :root. */
@font-face{font-family:'Bricolage';src:url(/shared/site/fonts/bricolage-var.woff2) format('woff2');font-weight:200 800;font-display:swap}
@font-face{font-family:'Figtree';src:url(/shared/site/fonts/figtree-var.woff2) format('woff2');font-weight:300 900;font-display:swap}

:root{
  --navy-900:#061427;--navy-800:#0B2348;--navy-700:#12325F;--navy-600:#1B4478;
  --sky:#70AFEF;--sky-deep:#3F73B2;
  --orange:#E58423;--orange-soft:#F2A85A;--olive:#8C9E72;--olive-soft:#B2C09A;--gold:#D4A84B;--brick:#B94A2C;
  --ink:#EAF1FA;--ink-soft:#B8C7DA;--ink-mute:#7F94AE;
  --line:rgba(184,199,218,.14);
  --paper:#F6F3EC;--paper-2:#EAF1FB;--ink-dark:#0B2348;--ink-dark-soft:#3C4A5E;--ink-dark-mute:#6B7A90;--line-dark:rgba(11,35,72,.12);
  --grad-warm:linear-gradient(95deg,#E58423,#F2A85A 55%,#D4A84B);
  --r-lg:22px;--r-md:14px;--r-sm:9px;
  --font-d:'Bricolage',system-ui,sans-serif;--font-b:'Figtree',system-ui,sans-serif;--font-m:ui-monospace,'JetBrains Mono',Menlo,Consolas,monospace;
  --wrap:1180px;--read:880px;--gut:clamp(18px,4vw,40px);--nav:68px;
  --ease:cubic-bezier(.2,.7,.2,1);

  /* aliases da paleta antiga: o CSS interno das aulas usa estes nomes e passa a cair na paleta nova */
  --primary-blue:var(--sky-deep);--secondary-green:var(--olive);--secondary-green-rgb:140,158,114;
  --accent-yellow:var(--gold);--accent-red:var(--brick);--accent-purple:var(--sky-deep);--accent-orange:var(--orange);
  --bg-primary:#fff;--bg-secondary:var(--paper);--bg-tertiary:var(--paper-2);--border-color:var(--line-dark);
  --text-primary:var(--ink-dark);--text-secondary:var(--ink-dark-soft);--text-tertiary:var(--ink-dark-mute);
  --shadow-sm:0 1px 2px rgba(11,35,72,.06);--shadow-md:0 6px 18px -8px rgba(11,35,72,.18);--shadow-lg:0 18px 40px -18px rgba(11,35,72,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-b);font-weight:400;color:var(--ink-dark);background:var(--paper);line-height:1.65;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.12;letter-spacing:-.02em;font-weight:700;color:var(--ink-dark);overflow-wrap:anywhere}
.wrap{width:min(var(--wrap),100% - var(--gut)*2);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:8px;top:-60px;z-index:60;padding:10px 14px;background:var(--orange);color:#1a0d02;border-radius:999px;font-weight:600}
.skip:focus{top:8px}

/* ---------- barra de leitura ---------- */
.readbar{position:fixed;left:0;top:0;width:100%;height:3px;z-index:50;background:transparent;pointer-events:none}
.readbar i{display:block;height:100%;width:100%;background:var(--grad-warm);transform:scaleX(var(--rp,0));transform-origin:0 50%;transition:transform .12s linear}

/* ---------- nav (idêntica à home) ---------- */
.nav{position:sticky;top:0;z-index:40;background:rgba(6,20,39,.92);color:var(--ink);border-bottom:1px solid transparent;transition:border-color .3s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.nav.is-scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav);gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:1.1rem;letter-spacing:-.01em;white-space:nowrap;color:inherit}
.brand .mark-img{width:30px;height:auto}
.brand small{font-weight:500;color:var(--ink-mute);font-size:.8rem;letter-spacing:.04em;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.95rem;color:var(--ink-soft)}
.nav-links a{transition:color .2s}.nav-links a:hover{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:600;font-size:.95rem;line-height:1.15;transition:transform .25s var(--ease),background .25s,box-shadow .25s,border-color .25s;cursor:pointer;border:0;font-family:inherit;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn-p{position:relative;overflow:hidden;background:var(--orange);color:#1a0d02;box-shadow:0 8px 24px -8px rgba(229,132,35,.6)}
.btn-p:hover{background:var(--orange-soft)}
.btn-p::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-130%);transition:transform .7s var(--ease)}
.btn-p:hover::after{transform:translateX(130%)}
.btn-g{border:1px solid rgba(184,199,218,.35);color:var(--ink);background:transparent}
.btn-g:hover{border-color:var(--sky);color:#fff}
.btn-d{border:1px solid var(--line-dark);color:var(--ink-dark);background:#fff}
.btn-d:hover{border-color:var(--sky-deep)}
.nav-links .btn{padding:10px 18px}
.burger{display:none;width:44px;height:44px;border:0;background:none;color:var(--ink);cursor:pointer;border-radius:var(--r-sm)}
.burger span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;transition:transform .3s,opacity .3s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- comuns ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--olive-soft);font-family:var(--font-b)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px;flex:none}
.light .eyebrow{color:var(--olive)}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.02em;border:1px solid var(--line);color:var(--ink-soft);white-space:nowrap}
.chip.done{border-color:rgba(140,158,114,.6);color:var(--olive-soft)}
.chip.done::before,.lrow.done .lnum::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--olive)}

/* ---------- hero da aula (escuro, igual à home) ---------- */
.lh{position:relative;overflow:hidden;isolation:isolate;background:var(--navy-900);color:var(--ink);padding:clamp(26px,4vw,48px) 0 clamp(30px,4vw,48px)}
.lh::before{content:"";position:absolute;inset:0;z-index:-2;background:
  radial-gradient(60% 80% at 100% 0%,rgba(63,115,178,.28),transparent 60%),
  radial-gradient(50% 60% at 0% 100%,rgba(229,132,35,.16),transparent 60%)}
.lh-mark{position:absolute;right:-4%;top:-30%;width:min(40vw,520px);opacity:.05;z-index:-1;pointer-events:none}
.lh-mark .mark-img{width:100%}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:.84rem;color:var(--ink-mute);margin-bottom:clamp(18px,3vw,28px)}
.crumbs a{color:var(--ink-soft);transition:color .2s}.crumbs a:hover{color:#fff}
.crumbs a+a::before,.crumbs a+span::before{content:"/";margin-right:10px;color:var(--ink-mute)}
.crumbs span{color:var(--ink)}
.lh h1{font-size:clamp(1.7rem,3.6vw,2.9rem);font-weight:800;letter-spacing:-.03em;color:#fff;margin:12px 0 16px;max-width:24ch}
.lh h1 em{font-style:normal;color:var(--sky)}
.lh-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.9rem;color:var(--ink-soft)}
.lh-meta b{color:#fff;font-weight:600}
.lh-prog{margin-top:clamp(18px,3vw,26px);display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;font-size:.82rem;color:var(--ink-mute)}
.lh-prog .bar{grid-column:1/-1;height:6px;border-radius:999px;background:rgba(184,199,218,.16);overflow:hidden}
.lh-prog .bar i{display:block;height:100%;width:var(--p,0%);background:var(--grad-warm);border-radius:inherit;transition:width 1.1s var(--ease)}
.lh-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(18px,3vw,24px)}
.lh-nav .btn{padding:10px 16px;font-size:.9rem}
.lh-nav .btn-g[aria-disabled=true]{opacity:.4;pointer-events:none}

/* ---------- corpo da aula ---------- */
.lesson{width:min(var(--read),100% - var(--gut)*2);margin:clamp(26px,4vw,44px) auto 0}
.lesson>*{max-width:100%}
.lesson-content,.course-container,.lesson-container{max-width:none;margin:0;padding:0}
.lesson .content-section,.lesson .lesson-section{background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(20px,3.6vw,38px);margin:0 0 20px;overflow-wrap:anywhere}
.lesson .content-section>h2,.lesson .lesson-section>h2,.lesson h2.section-title{font-size:clamp(1.35rem,2.4vw,1.7rem);margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line-dark)}
.lesson h3{font-size:1.15rem;margin:22px 0 10px}
.lesson h4{font-size:1rem;margin:16px 0 8px}
.lesson p{color:var(--ink-dark-soft);margin:0 0 1em;line-height:1.7}
.lesson p:last-child{margin-bottom:0}
.lesson ul,.lesson ol{padding-left:1.35em;margin:0 0 1em;color:var(--ink-dark-soft)}
.lesson li{margin:.4em 0;line-height:1.6}
.lesson li::marker{color:var(--sky-deep)}
.lesson li.ok,.lesson li.no,.lesson li.todo,.lesson li.warn{list-style:none;position:relative;padding-left:26px}
.lesson li.ok::before,.lesson li.no::before,.lesson li.todo::before,.lesson li.warn::before{content:"";position:absolute;left:0;top:.42em;width:15px;height:15px;border-radius:50%}
.lesson li.ok::before{background:var(--olive) center/9px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.6 2.5L10 3.5' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.lesson li.no::before{background:var(--brick) center/8px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 3l6 6M9 3l-6 6' stroke='%23fff' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E")}
.lesson li.todo::before{border-radius:4px;border:1.5px solid var(--sky-deep);background:#fff}
.lesson li.warn::before{background:var(--gold)}
.lesson a:not(.btn){color:var(--sky-deep);text-decoration:underline;text-underline-offset:2px}
.lesson strong{color:var(--ink-dark)}
.lesson code{overflow-wrap:anywhere;font-family:var(--font-m);font-size:.9em;background:var(--paper-2);padding:2px 6px;border-radius:6px;color:var(--navy-700)}
.lesson pre{font-family:var(--font-m);font-size:.86rem;line-height:1.55;background:var(--navy-900);color:var(--ink);padding:18px;border-radius:var(--r-md);overflow-x:auto;margin:0 0 1em}
.lesson pre code{background:none;padding:0;color:inherit;font-size:inherit}
.lesson table{width:100%;border-collapse:collapse;font-size:.93rem;margin:0 0 1em}
.lesson th,.lesson td{padding:10px 12px;border-bottom:1px solid var(--line-dark);text-align:left;vertical-align:top}
.lesson th{background:var(--paper-2);font-weight:600;color:var(--ink-dark)}
.lesson hr{border:0;border-top:1px solid var(--line-dark);margin:18px 0}
.lesson button:not(.btn):not(.iv-quiz-btn):not(.iv-quiz-option){font-family:inherit}
.lesson .content-section .content-section,.lesson .lesson-section .lesson-section{border:0;padding:0;margin:0 0 16px;background:none}
.lesson img{border-radius:var(--r-md)}
@media (max-width:720px){.lesson table{display:block;overflow-x:auto;white-space:nowrap}}

/* ---------- conclusão da aula ---------- */
.ldone{padding:clamp(10px,2vw,20px) 0 clamp(56px,7vw,90px)}
.ldone-card{width:min(var(--read),100% - var(--gut)*2);margin:0 auto;background:var(--navy-900);color:var(--ink);border-radius:var(--r-lg);padding:clamp(22px,4vw,40px);position:relative;overflow:hidden;isolation:isolate}
.ldone-card::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 70% at 100% 100%,rgba(229,132,35,.22),transparent 60%),radial-gradient(45% 60% at 0% 0%,rgba(63,115,178,.25),transparent 60%)}
.ldone-card h2{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem);margin:10px 0 8px}
.ldone-card p{color:var(--ink-soft);max-width:60ch}
.steps{list-style:none;margin:18px 0 6px;display:grid;gap:8px}
.steps li{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.03);color:var(--ink-soft);line-height:1.5}
.steps input{appearance:none;-webkit-appearance:none;flex:none;width:20px;height:20px;margin-top:2px;border:1.5px solid var(--sky);border-radius:6px;background:transparent;cursor:pointer;position:relative}
.steps input:checked{background:var(--olive);border-color:var(--olive)}
.steps input:checked::after{content:"";position:absolute;inset:0;background:center/11px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.6 2.5L10 3.5' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.steps input:checked+span{color:var(--ink-mute);text-decoration:line-through}
.steps label{display:contents;cursor:pointer}
.ldone-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.ldone-nav a{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--line);transition:border-color .25s,transform .25s var(--ease),background .25s}
.ldone-nav a:hover{transform:translateY(-2px);border-color:var(--sky)}
.ldone-nav small{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute)}
.ldone-nav b{font-family:var(--font-d);font-weight:700;color:#fff;font-size:1.02rem;line-height:1.25}
.ldone-nav a.next{background:var(--orange);border-color:transparent;color:#1a0d02}
.ldone-nav a.next small{color:rgba(26,13,2,.7)}.ldone-nav a.next b{color:#1a0d02}
.ldone-nav a.next:hover{background:var(--orange-soft)}
.ldone-nav a.prev:only-child{grid-column:1}
.help{width:min(var(--read),100% - var(--gut)*2);margin:18px auto 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;padding:18px 22px;background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg)}
.help p{color:var(--ink-dark-soft);margin:0}
.help p b{color:var(--ink-dark)}
.done-mark{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:var(--olive-soft)}
.done-mark::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--olive);box-shadow:0 0 0 4px rgba(140,158,114,.2)}

/* ---------- quiz (componente) ---------- */
.iv-quiz-container{margin:8px 0 0;background:var(--paper);border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(18px,3vw,28px)}
.iv-quiz-info h3{font-size:1.05rem;margin:0 0 10px}
.iv-quiz-info ul{margin:0 0 18px}
.iv-quiz-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font:600 .95rem/1.15 var(--font-b);border:0;cursor:pointer;transition:transform .25s var(--ease),background .25s}
.iv-quiz-btn:hover{transform:translateY(-2px)}
.iv-quiz-btn.primary{background:var(--orange);color:#1a0d02}
.iv-quiz-btn.primary:hover{background:var(--orange-soft)}
.iv-quiz-btn.secondary{background:#fff;color:var(--ink-dark);border:1px solid var(--line-dark)}
.iv-question-header{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px 16px;margin-bottom:14px}
.iv-question-number{font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--olive)}
.iv-quiz-container .iv-progress-bar{grid-column:1/-1;height:6px;border-radius:999px;background:var(--paper-2);overflow:hidden}
.iv-quiz-container .iv-progress-fill{height:100%;background:var(--grad-warm);border-radius:inherit;transition:width .5s var(--ease)}
.iv-quiz-question h3{font-size:1.15rem;margin:0 0 16px;line-height:1.35}
.iv-quiz-options{display:grid;gap:10px}
.iv-quiz-option{display:block;width:100%;text-align:left;padding:14px 16px 14px 46px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:#fff;font:500 .98rem/1.45 var(--font-b);color:var(--ink-dark);cursor:pointer;position:relative;transition:border-color .2s,background .2s,transform .2s var(--ease)}
.iv-quiz-option::before{content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;border-radius:50%;border:1.5px solid var(--sky-deep);background:#fff}
.iv-quiz-option:hover:not(:disabled){border-color:var(--sky-deep);transform:translateX(3px)}
.iv-quiz-option:disabled{cursor:default;opacity:.75}
.iv-quiz-option.iv-correct{border-color:var(--olive);background:rgba(140,158,114,.14);opacity:1}
.iv-quiz-option.iv-correct::before{background:var(--olive);border-color:var(--olive)}
.iv-quiz-option.iv-incorrect{border-color:var(--brick);background:rgba(185,74,44,.08);opacity:1}
.iv-quiz-option.iv-incorrect::before{background:var(--brick);border-color:var(--brick)}
.iv-quiz-feedback{display:flex;gap:14px;align-items:flex-start;margin:16px 0;padding:16px 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line-dark);animation:qz-in .35s var(--ease) both}
.iv-feedback-icon{flex:none;width:34px;height:34px;border-radius:50%;background:var(--olive) center/16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.6 2.5L10 3.5' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.iv-feedback-incorrect .iv-feedback-icon{background:var(--brick) center/14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 3l6 6M9 3l-6 6' stroke='%23fff' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E")}
.iv-feedback-text strong{display:block;margin-bottom:4px;font-family:var(--font-d)}
.iv-feedback-text p{margin:0}
.iv-quiz-results{text-align:center;padding:8px 0}
.iv-results-header h3{font-size:1.4rem;margin:0 0 18px}
.iv-score-circle{width:120px;height:120px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:baseline;justify-content:center;background:conic-gradient(var(--orange) calc(var(--pct,0)*1%),var(--paper-2) 0);position:relative;isolation:isolate}
.iv-score-circle::before{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff;z-index:-1}
.iv-score-circle{padding-top:38px}
.iv-score-number{font:800 2.2rem/1 var(--font-d);color:var(--ink-dark)}
.iv-score-total{font:600 1rem/1 var(--font-d);color:var(--ink-dark-mute)}
.iv-percentage{font-weight:600;color:var(--olive)}
.iv-results-message{max-width:46ch;margin:10px auto 18px}
.iv-results-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
@keyframes qz-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- índice do curso / catálogo ---------- */
.ch{position:relative;overflow:hidden;isolation:isolate;background:var(--navy-900);color:var(--ink);padding:clamp(40px,7vw,96px) 0 clamp(40px,6vw,80px)}
.ch::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(60% 80% at 100% 0%,rgba(63,115,178,.3),transparent 60%),radial-gradient(50% 60% at 0% 100%,rgba(229,132,35,.18),transparent 60%)}
.ch .lh-mark{top:auto;bottom:-35%;right:-6%;width:min(52vw,640px)}
.ch .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,64px);align-items:end}
.ch h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;letter-spacing:-.035em;color:#fff;margin:14px 0 16px;max-width:18ch}
.ch h1 em{font-style:normal;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent}
.ch .lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--ink-soft);max-width:52ch}
.ch .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;align-items:center}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.facts div{padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.03)}
.facts b{display:block;font:800 clamp(1.6rem,3vw,2.2rem)/1 var(--font-d);color:#fff;letter-spacing:-.03em}
.facts b i{font-style:normal;color:var(--sky);font-size:.6em;margin-left:2px}
.facts span{font-size:.84rem;color:var(--ink-mute);display:block;margin-top:6px}
.facts .prog{grid-column:1/-1}
.facts .prog .bar{height:6px;border-radius:999px;background:rgba(184,199,218,.16);overflow:hidden;margin-top:10px}
.facts .prog .bar i{display:block;height:100%;width:var(--p,0%);background:var(--grad-warm);border-radius:inherit;transition:width 1.1s var(--ease)}
.light{background:var(--paper);color:var(--ink-dark)}
.sec{padding:clamp(56px,8vw,110px) 0}
.sec-head{max-width:64ch;margin-bottom:clamp(26px,4vw,44px)}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.8rem);margin:12px 0 12px;font-weight:800}
.sec-head h2 em{font-style:normal;color:var(--orange)}
.sec-head p{color:var(--ink-dark-soft);font-size:1.05rem}
.mods{display:grid;gap:16px}
.mod{background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(18px,3vw,30px);display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:clamp(16px,3vw,36px)}
.mod .n{font:800 clamp(2rem,4vw,3rem)/1 var(--font-d);color:var(--paper-2);-webkit-text-stroke:1.5px var(--sky-deep);letter-spacing:-.04em}
.mod h3{font-size:clamp(1.15rem,2vw,1.45rem);margin:10px 0 8px}
.mod p{color:var(--ink-dark-soft);font-size:.96rem}
.lrows{list-style:none;display:grid;gap:8px}
.lrow a{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:var(--paper);transition:border-color .2s,transform .25s var(--ease),background .2s}
.lrow a:hover{border-color:var(--sky-deep);transform:translateX(4px);background:#fff}
.lnum{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font:700 .85rem/1 var(--font-d);color:var(--ink-dark);background:var(--paper-2);position:relative}
.lrow.done .lnum{background:var(--olive);color:#fff}
.lrow.done .lnum::after{position:absolute;right:-3px;top:-3px;box-shadow:0 0 0 2px #fff}
.lrow.current .lnum{background:var(--orange);color:#1a0d02}
.lrow b{font-weight:600;font-size:.98rem;line-height:1.3;color:var(--ink-dark)}
.lrow small{display:block;color:var(--ink-dark-mute);font-size:.82rem;margin-top:2px}
.lrow .dur{font-size:.8rem;color:var(--ink-dark-mute);white-space:nowrap}
.tutor{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,32px);align-items:center;background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(20px,3.5vw,36px)}
.tutor img{width:clamp(96px,14vw,150px);height:auto;aspect-ratio:1;object-fit:cover;object-position:60% 18%;border-radius:50%}
.tutor h3{font-size:1.3rem;margin:6px 0 8px}
.tutor p{color:var(--ink-dark-soft);max-width:66ch}
.tutor .btn{margin-top:14px}
.reqs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.reqs span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);font-size:.82rem;color:var(--ink-soft)}
.cat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ccard{background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(20px,3vw,30px);display:flex;flex-direction:column;gap:12px;transition:transform .3s var(--ease),border-color .25s}
.ccard:hover{transform:translateY(-4px);border-color:var(--sky-deep)}
.ccard .top{display:flex;justify-content:space-between;align-items:center}
.ccard .top .n{font:800 2rem/1 var(--font-d);color:var(--paper-2);-webkit-text-stroke:1.5px var(--sky-deep)}
.ccard .chip{border-color:var(--line-dark);color:var(--ink-dark-soft)}
.ccard h3{font-size:1.3rem}
.ccard p{color:var(--ink-dark-soft);flex:1}
.ccard .meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.84rem;color:var(--ink-dark-mute)}
.ccard .meta b{color:var(--ink-dark)}
.ccard .bar{height:5px;border-radius:999px;background:var(--paper-2);overflow:hidden}
.ccard .bar i{display:block;height:100%;width:var(--p,0%);background:var(--grad-warm)}

/* ---------- faixa de ajuda + rodapé (idênticos à home) ---------- */
.band{background:var(--navy-800);color:var(--ink);padding:clamp(40px,6vw,72px) 0}
.band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin:8px 0 6px;max-width:26ch}
.band p{color:var(--ink-soft);max-width:56ch}
.foot{border-top:1px solid var(--line);padding:40px 0 44px;color:var(--ink-mute);font-size:.9rem;background:#04101f}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px}
.foot .brand{font-size:1rem;color:var(--ink-soft)}
.foot q{font-style:italic;color:var(--olive-soft)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.foot-links a{padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);font-size:.85rem;transition:border-color .2s,color .2s}
.foot-links a:hover{border-color:var(--sky);color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:22px}
.foot-bottom a{color:var(--ink-soft)}

/* ---------- responsivo ---------- */
@media (max-width:980px){
  .ch .wrap{grid-template-columns:1fr}
  .mod{grid-template-columns:1fr}
  .cat{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-links{position:fixed;inset:var(--nav) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--navy-900);border-bottom:1px solid var(--line);padding:8px var(--gut) 18px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s var(--ease)}
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav-links .btn{margin-top:14px;justify-content:center}
  .burger{display:block}
  .brand small{display:none}
  .lh-nav{display:grid;grid-template-columns:1fr 1fr}
  .lh-nav .btn{padding:12px 10px;font-size:.86rem}
  .lh-nav .all{grid-column:1/-1;order:3}
  .ldone-nav{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .tutor{grid-template-columns:1fr;text-align:left}
  .lrow a{grid-template-columns:auto 1fr}
  .lrow .dur{grid-column:2}
}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .btn:hover,.lrow a:hover,.ccard:hover{transform:none}
  .lh-prog .bar i,.facts .prog .bar i{transition:none}
}

/* ---------- blocos de conteúdo que vinham do framework antigo (aulas sem CSS próprio) ---------- */
.lesson .tips-grid,.lesson .comparison-grid,.lesson .models-grid,.lesson .stats-grid{display:grid;gap:14px;margin:18px 0}
.lesson .tips-grid,.lesson .comparison-grid{grid-template-columns:repeat(2,1fr)}
.lesson .models-grid,.lesson .stats-grid{grid-template-columns:repeat(3,1fr)}
.lesson .tip-card,.lesson .comparison-item,.lesson .model-card,.lesson .model-item,.lesson .stat-card{background:var(--paper);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:18px 20px}
.lesson .tip-card h4,.lesson .comparison-item h4,.lesson .model-card h4,.lesson .model-item h4{margin:0 0 8px}
.lesson .tip-card ul,.lesson .comparison-item ul,.lesson .model-card ul{list-style:none;padding:0;margin:0}
.lesson .tip-card li,.lesson .model-card li{position:relative;padding-left:16px}
.lesson .tip-card li::before,.lesson .model-card li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--sky-deep)}
.lesson .comparison-item.winner{border-color:var(--olive);background:rgba(140,158,114,.12)}
.lesson .comparison-item li.pro{color:#5E7346}.lesson .comparison-item li.con{color:var(--brick)}
.lesson .models-list{display:grid;gap:12px;margin:18px 0}
.lesson .model-item{border-left:4px solid var(--sky-deep)}
.lesson .stat-card{text-align:center;border-top:4px solid var(--sky-deep)}
.lesson .stat-number{font:800 2rem/1 var(--font-d);color:var(--sky-deep);margin-bottom:6px}
.lesson .stat-label{font-size:.86rem;color:var(--ink-dark-mute);font-weight:500}
.lesson .principle-icon{display:none}
@media (max-width:720px){.lesson .tips-grid,.lesson .comparison-grid,.lesson .models-grid{grid-template-columns:1fr}.lesson .stats-grid{grid-template-columns:1fr 1fr}}

/* ---------- conta do aluno (#586): convite, formulários, mensagens ---------- */
.nav-links .nav-acc{color:var(--sky)}
.invite{width:min(var(--read),100% - var(--gut)*2);margin:18px auto 0;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(18px,3vw,32px);align-items:center;background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:clamp(20px,3.5vw,32px)}
.invite h3{font-size:1.25rem;margin:10px 0 8px}
.invite p{color:var(--ink-dark-soft)}
.saved{width:min(var(--read),100% - var(--gut)*2);margin:14px auto 0}
.acc-form{margin-top:18px;max-width:560px}
.ch .acc-form .acc-row input{background:rgba(255,255,255,.06);border-color:rgba(184,199,218,.35);color:#fff}
.ch .acc-form .acc-row input::placeholder{color:var(--ink-mute)}
.acc-row{display:flex;gap:10px;flex-wrap:wrap}
.acc-row input{flex:1 1 220px;min-height:46px;padding:10px 16px;border-radius:999px;border:1px solid var(--line-dark);background:#fff;font:500 16px/1.2 var(--font-b);color:var(--ink-dark)}
.acc-row input:focus{outline:2px solid var(--orange);outline-offset:2px}
.acc-row input:disabled{opacity:.6}
.acc-label{display:block;font-weight:600;margin-bottom:8px;color:inherit}
.acc-label small{font-weight:400;color:var(--ink-mute)}
.acc-check{display:flex;gap:10px;align-items:flex-start;margin-top:12px;font-size:.9rem;color:var(--ink-dark-soft);cursor:pointer;line-height:1.45}
.ch .acc-check{color:var(--ink-soft)}
.acc-check input{flex:none;width:18px;height:18px;margin-top:2px;accent-color:var(--orange)}
.acc-msg{min-height:1.4em;margin:10px 0 0;font-size:.92rem;color:var(--ink-dark-mute)}
.ch .acc-msg{color:var(--ink-soft)}
.acc-msg.is-ok{color:#5E7346;font-weight:600}.ch .acc-msg.is-ok{color:var(--olive-soft)}
.acc-msg.is-err{color:var(--brick);font-weight:600}.ch .acc-msg.is-err{color:#F2A85A}
.acc-later{background:none;border:0;padding:6px 0;margin-top:6px;font:500 .86rem var(--font-b);color:var(--ink-dark-mute);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.ch .invite{background:rgba(255,255,255,.04);border-color:var(--line);width:auto;margin:22px 0 0;grid-column:1/-1}
.ch .invite h3{color:#fff}.ch .invite p{color:var(--ink-soft)}
@media (max-width:720px){.invite{grid-template-columns:1fr}.acc-row .btn{flex:1 1 100%}}