:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --surface2: #1e1e1e;
  --border: #2a2a2a;
  --accent: #d4a855;
  --accent2: #e8c87a;
  --text: #f0f0f0;
  --muted: #888;
  --white: #fff;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.7;font-size:16px}

/* CAPA */
.cover{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:3rem 2rem;position:relative;overflow:hidden;background:linear-gradient(160deg,#0d0d0d 0%,#1a1200 60%,#0d0d0d 100%)}
.cover::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 50% 30%,rgba(212,168,85,0.15) 0%,transparent 60%);pointer-events:none}
.cover-badge{background:var(--accent);color:#000;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 14px;border-radius:20px;margin-bottom:2rem;display:inline-block}
.cover-title{font-size:clamp(2.2rem,6vw,4rem);font-weight:800;line-height:1.1;margin-bottom:1rem;letter-spacing:-.02em}
.cover-title span{color:var(--accent)}
.cover-sub{font-size:1.1rem;color:var(--muted);max-width:480px;margin:0 auto 2.5rem}
.cover-author{font-size:.9rem;color:var(--muted);border-top:1px solid var(--border);padding-top:1.5rem;margin-top:1rem}
.cover-author strong{color:var(--accent)}
.cover-promise{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;margin-bottom:2rem}
.cover-promise span{font-size:13px;color:var(--accent2);display:flex;align-items:center;gap:6px}
.cover-promise span::before{content:'✓';font-weight:700}

/* NAVEGAÇÃO */
.nav{background:var(--surface);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;gap:.5rem;flex-wrap:wrap;position:sticky;top:0;z-index:100}
.nav a{font-size:12px;color:var(--muted);text-decoration:none;padding:4px 10px;border-radius:6px;transition:all .2s}
.nav a:hover{color:var(--accent);background:rgba(212,168,85,.1)}

/* LAYOUT */
.container{max-width:720px;margin:0 auto;padding:3rem 2rem}

/* CAPÍTULOS */
.chapter{margin-bottom:4rem;scroll-margin-top:80px}
.chapter-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}
.chapter-num{background:var(--accent);color:#000;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex-shrink:0}
.chapter-title{font-size:1.5rem;font-weight:700;line-height:1.2}
.chapter-desc{font-size:.9rem;color:var(--muted);margin-top:.25rem}

h2{font-size:1.15rem;font-weight:700;margin:2rem 0 .75rem;color:var(--accent2)}
h3{font-size:1rem;font-weight:600;margin:1.5rem 0 .5rem;color:var(--text)}
p{color:#ccc;margin-bottom:1rem}

/* CARDS */
.card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;margin:1.25rem 0}
.card.accent{border-left:3px solid var(--accent)}
.card.tip{border-left:3px solid #4CAF50;background:rgba(76,175,80,.05)}
.card.warning{border-left:3px solid #ff9800;background:rgba(255,152,0,.05)}
.card-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:.5rem}

/* TRIÂNGULO */
.triangle{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;margin:1.5rem 0;border-radius:var(--radius);overflow:hidden}
.tri-item{background:var(--surface2);padding:1.25rem;text-align:center;border:1px solid var(--border)}
.tri-item:nth-child(1){border-radius:var(--radius) 0 0 var(--radius)}
.tri-item:nth-child(3){border-radius:0 var(--radius) var(--radius) 0}
.tri-val{font-size:1.5rem;font-weight:800;color:var(--accent);display:block}
.tri-label{font-size:12px;color:var(--muted);margin-top:.25rem}
.tri-desc{font-size:11px;color:#666;margin-top:.25rem}

/* LISTA */
ul,ol{padding-left:1.25rem;margin-bottom:1rem}
li{color:#ccc;margin-bottom:.4rem}
li strong{color:var(--text)}

/* STEPS */
.steps{counter-reset:step;margin:1.5rem 0}
.step{display:flex;gap:1rem;margin-bottom:1.25rem;padding:1rem 1.25rem;background:var(--surface2);border-radius:var(--radius);border:1px solid var(--border)}
.step-num{background:var(--accent);color:#000;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex-shrink:0;margin-top:.15rem}
.step-content h4{font-size:.95rem;font-weight:600;margin-bottom:.25rem}
.step-content p{font-size:.9rem;margin:0;color:#aaa}

/* TABELA */
table{width:100%;border-collapse:collapse;margin:1.25rem 0;font-size:.9rem}
th{background:var(--surface2);color:var(--accent);font-weight:600;padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}
td{padding:.7rem 1rem;border-bottom:1px solid var(--border);color:#ccc}
tr:last-child td{border:none}

/* DESTAQUE */
.highlight{background:rgba(212,168,85,.08);border:1px solid rgba(212,168,85,.2);border-radius:var(--radius);padding:1.5rem;margin:1.5rem 0;text-align:center}
.highlight p{color:var(--accent2);font-size:1.05rem;font-weight:500;margin:0}

/* GRID */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.25rem 0}
@media(max-width:600px){.grid2{grid-template-columns:1fr}.triangle{grid-template-columns:1fr}}
.grid-item{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.grid-item .icon{font-size:1.5rem;margin-bottom:.5rem}
.grid-item h4{font-size:.9rem;font-weight:600;margin-bottom:.25rem}
.grid-item p{font-size:.85rem;color:#888;margin:0}

/* RODAPÉ */
.footer{background:var(--surface);border-top:1px solid var(--border);padding:2rem;text-align:center;margin-top:4rem}
.footer p{font-size:.85rem;color:var(--muted)}
.footer strong{color:var(--accent)}

/* CHECKLIST */
.checklist{margin:1rem 0}
.check-item{display:flex;align-items:flex-start;gap:.75rem;padding:.6rem 0;border-bottom:1px solid var(--border)}
.check-item:last-child{border:none}
.check-box{width:18px;height:18px;border:2px solid var(--accent);border-radius:4px;flex-shrink:0;margin-top:.15rem}
.check-text{font-size:.9rem;color:#ccc}

/* BADGE */
.badge{display:inline-block;font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px;background:rgba(212,168,85,.15);color:var(--accent);margin-left:.5rem}
.course-figure{margin:20px 0;break-inside:avoid}.course-figure img{display:block;width:100%;height:auto;border-radius:12px}.course-figure figcaption{padding:10px 0;color:#d7ad53;font-size:.9rem}.course-image-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:600px){.course-image-pair{grid-template-columns:1fr}}

/* Padrão de destaques didáticos */
.card.tip{border-left:3px solid var(--accent);background:rgba(215,173,83,.06)}
.card.warning{border-left:3px solid #e29a47;background:rgba(226,154,71,.06)}
.card.tip .card-title{color:var(--accent)}
.card.warning .card-title{color:#e29a47}
.card.tip p,.card.warning p{font-size:.9rem;line-height:1.7;color:#ccc;margin:0}

.social-links{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem;margin:1rem 0;font-size:.95rem}.social-links a{color:var(--accent);text-decoration:none}.social-links a:hover,.social-links a:focus-visible{text-decoration:underline}

.container{overflow-wrap:anywhere}.table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;margin:1.25rem 0}.table-scroll table{margin:0;min-width:480px}.table-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:4px}input,select{max-width:100%}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:600px){.container{padding:2rem 1rem}.nav{padding:.75rem 1rem}.card{padding:1rem}.chapter{scroll-margin-top:150px}.table-scroll{scrollbar-width:thin}.cover{padding:3rem 1rem}}