:root{--ink:#1c2333;--navy:#1f2a44;--muted:#5d6577;--line:#d9dde6;--paper:#faf8f4;--card:#fff;--accent:#8a5a2b}
*{box-sizing:border-box}html{font-size:17px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Georgia,"Times New Roman",serif;line-height:1.65}
a{color:var(--navy)}a:hover{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
header.site{background:var(--navy);color:#fff}
header.site .wrap{max-width:980px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-top:16px;padding-bottom:16px}
.brand{font-size:1.25rem;font-weight:700;color:#fff;text-decoration:none;letter-spacing:.2px}
.brand small{display:block;font-weight:400;font-size:.72rem;opacity:.8;font-family:system-ui,Segoe UI,Arial,sans-serif;letter-spacing:.4px}
nav a{display:inline-block;white-space:nowrap;color:#fff;text-decoration:none;font-family:system-ui,Segoe UI,Arial,sans-serif;font-size:.86rem;margin-left:16px;opacity:.9}
nav a:first-child{margin-left:0}nav a:hover{opacity:1;color:#fff;text-decoration:underline}
main{padding:38px 0 56px}
h1{font-size:2rem;line-height:1.2;color:var(--navy);margin:.2em 0 .5em}
h2{font-size:1.32rem;color:var(--navy);margin:1.9em 0 .5em;padding-top:.3em;border-top:1px solid var(--line)}
h3{font-size:1.08rem;color:var(--navy);margin:1.4em 0 .3em}
.hero{text-align:center;padding:26px 0 8px}.hero h1{font-size:2.5rem;margin-bottom:.2em}
.lead{font-size:1.15rem;color:var(--muted);margin-top:0}
.kicker{font-family:system-ui,Segoe UI,Arial,sans-serif;font-size:.78rem;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent);margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:28px 0}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:18px 18px 12px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--navy);color:var(--ink)}
.card h3{margin:.2em 0}.card p{margin:.3em 0 .6em;font-size:.95rem;color:var(--muted)}
.card .n{font-family:system-ui,Arial,sans-serif;font-size:.8rem;color:var(--accent);font-weight:700}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:10px 20px;border-radius:4px;font-family:system-ui,Segoe UI,Arial,sans-serif;font-size:.92rem}
.btn:hover{background:#2b3a5e;color:#fff}
table{border-collapse:collapse;width:100%;margin:1.2em 0;font-size:.93rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}th{background:#eef0f5;color:var(--navy)}
.author{margin-top:2.6em;padding:14px 16px;background:#eef0f5;border-left:3px solid var(--navy);font-size:.9rem;color:var(--muted)}
footer.site{border-top:1px solid var(--line);padding:22px 0 34px;font-family:system-ui,Segoe UI,Arial,sans-serif;font-size:.8rem;color:var(--muted)}
footer.site a{color:var(--muted)}
@media(max-width:640px){html{font-size:16px}.hero h1{font-size:2rem}nav a{margin-left:0;margin-right:14px}}

.hero h1{font-size:2.15rem;line-height:1.22}.hero .kicker{margin-bottom:.8em}
ul.lessons{list-style:none;padding:0;margin:1em 0}ul.lessons li{border:1px solid var(--line);background:#fff;border-radius:6px;padding:14px 18px;margin:10px 0}
ul.lessons a{font-weight:700;text-decoration:none;font-size:1.05rem}ul.lessons span{display:block;font-family:system-ui,Arial,sans-serif;font-size:.78rem;color:var(--accent);letter-spacing:.5px;margin-top:2px;text-transform:uppercase}
@media(max-width:640px){.hero h1{font-size:1.6rem}}
.dados{background:#fff;border:1px solid var(--line);border-left:4px solid var(--navy);border-radius:6px;padding:18px 22px;margin:1.2em 0 1.6em}.dados p{margin:.4em 0}.dados .btn{margin-top:.4em}
.aviso{font-size:.88rem;color:var(--muted)}
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:760px;margin:0 auto;background:#1f2a44;color:#fff;border-radius:8px;padding:16px 20px;box-shadow:0 6px 24px rgba(0,0,0,.25);font-family:system-ui,Arial,sans-serif;font-size:.92rem;z-index:50;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.cookie[hidden]{display:none}.cookie p{margin:0;flex:1 1 320px}.cookie a{color:#d9b382}.cookie-b{display:flex;gap:8px}
.cookie button{font:inherit;font-weight:600;border:0;border-radius:5px;padding:9px 16px;cursor:pointer;background:#d9b382;color:#1f2a44}.cookie button.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}