.vt-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media (max-width:980px){.vt-course-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.vt-course-grid{grid-template-columns:1fr}}.vt-course-card{display:flex;flex-direction:column;padding:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:10px;transition:border-color .15s ease,transform .15s ease}.vt-course-card:hover{border-color:var(--amber);transform:translateY(-2px)}.vt-course-cat{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--mute);margin-bottom:10px}.vt-course-card h3{font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.02em;line-height:1.2;margin:0 0 10px;color:var(--ink)}.vt-course-card p{margin:0 0 16px;color:var(--ink-2);font-size:14px;line-height:1.55;flex:1}.vt-course-meta{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--font-mono);font-size:11.5px;color:var(--mute);padding-top:12px}.vt-course-meta,.vt-metrics{border-top:1px solid var(--line)}.vt-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;padding-top:28px}@media (max-width:640px){.vt-metrics{grid-template-columns:repeat(2,1fr);gap:18px}}.vt-metric-num{font-family:var(--font-display);font-weight:700;font-size:34px;letter-spacing:-.025em;color:var(--ink)}.vt-metric-label{font-size:13px;color:var(--mute);margin-top:4px}.vt-sample-grid{display:grid;grid-template-columns:1fr;gap:16px}.vt-lesson-card{padding:20px;background:var(--paper-2);border:1px solid var(--line);border-radius:10px}.vt-lesson-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.vt-lesson-card h3{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.02em;margin:0 0 4px;color:var(--ink)}.vt-lesson-sub{font-family:var(--font-mono);font-size:11px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em}.vt-video{border-radius:8px;background:#000;aspect-ratio:16/9;display:block}.vt-audio,.vt-video{width:100%;margin-top:14px}.vt-details{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.vt-details>summary{cursor:pointer;list-style:none;font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--amber);display:inline-flex;align-items:center;gap:6px}.vt-details>summary::-webkit-details-marker{display:none}.vt-details>summary:before{content:"+";font-weight:700}.vt-details[open]>summary:before{content:"–"}.vt-flashcards{display:grid;gap:8px;margin-top:12px}.vt-flashcard{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:12px 14px}.vt-flashcard>summary{cursor:pointer;list-style:none;font-weight:500;font-size:14px;color:var(--ink)}.vt-flashcard>summary::-webkit-details-marker{display:none}.vt-flashcard-back{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:14px;line-height:1.55;color:var(--ink-2)}.vt-topics{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.vt-topic{font-family:var(--font-mono);font-size:11px;background:var(--amber-soft);color:var(--amber);padding:3px 8px;border-radius:999px}.vt-questions{display:grid;gap:12px}.vt-question{padding:18px 20px;background:var(--paper-2);border:1px solid var(--line);border-radius:10px}.vt-question-src{font-family:var(--font-mono);font-size:11px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.vt-question-text{font-size:15px;line-height:1.55;color:var(--ink);margin:0 0 12px}.vt-options{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:6px}.vt-option{font-size:14px;color:var(--ink-2);line-height:1.45}.vt-option b{color:var(--ink)}.vt-gabarito{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:14px;line-height:1.55;color:var(--ink-2)}.vt-gabarito .vt-correct{color:var(--green);font-weight:600}.vt-trail{display:grid;gap:10px}.vt-disc{background:var(--paper-2);border:1px solid var(--line);border-radius:10px;overflow:hidden}.vt-disc>summary{cursor:pointer;list-style:none;padding:16px 20px;display:flex;align-items:center;gap:12px}.vt-disc>summary::-webkit-details-marker{display:none}.vt-disc-name{font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink);flex:1;letter-spacing:-.01em}.vt-disc-count{font-family:var(--font-mono);font-size:11.5px;color:var(--mute)}.vt-disc>summary:after{content:"⌄";color:var(--mute);font-size:18px;line-height:1}.vt-disc[open]>summary:after{content:"⌃"}.vt-mod{padding:0 20px 8px}.vt-mod-title{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);padding:12px 0 6px}.vt-lesson-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}.vt-lesson-row .vt-lesson-title{flex:1;line-height:1.4}.vt-lesson-dur{font-size:11px;color:var(--mute)}.vt-badge,.vt-lesson-dur{font-family:var(--font-mono)}.vt-badge{font-size:10px;text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:999px;white-space:nowrap}.vt-badge.vt-free{background:var(--green-soft);color:var(--green)}.vt-badge.vt-lock{background:var(--paper);color:var(--mute);border:1px solid var(--line)}.vt-cta{text-align:center;max-width:640px;margin:0 auto}.vt-cta h2{font-family:var(--font-display);font-weight:700;font-size:clamp(26px,4vw,38px);letter-spacing:-.025em;line-height:1.1;margin:0 0 12px;color:var(--ink)}.vt-cta p{color:var(--mute);font-size:16px;line-height:1.55;margin:0 0 24px}.vt-cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.vt-btn-amber,.vt-btn-ghost{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:8px;transition:background .15s ease,border-color .15s ease}.vt-btn-amber{background:var(--amber);color:#fff}.vt-btn-amber:hover{background:#a56916}.vt-btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.vt-btn-ghost:hover{border-color:var(--ink)}.vt-note{margin-top:14px}.vt-note,.vt-post-meta{font-family:var(--font-mono);font-size:12px;color:var(--mute)}.vt-post-meta{margin-top:18px}.vt-article{max-width:720px;margin:0 auto;font-size:17px;line-height:1.7;color:var(--ink-2)}.vt-article :where(h2){font-family:var(--font-display);font-weight:700;font-size:clamp(22px,3vw,28px);letter-spacing:-.02em;line-height:1.2;color:var(--ink);margin:36px 0 12px}.vt-article :where(h3){font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.01em;color:var(--ink);margin:28px 0 10px}.vt-article :where(p){margin:0 0 16px}.vt-article :where(ul,ol){margin:0 0 16px;padding-left:22px}.vt-article :where(li){margin:4px 0}.vt-article :where(a){color:var(--amber);text-decoration:underline}.vt-article :where(blockquote){border-left:3px solid var(--amber);margin:20px 0;padding:4px 0 4px 18px;color:var(--mute);font-style:italic}.vt-article :where(strong){color:var(--ink);font-weight:600}.vt-course-card .vt-blog-date{font-family:var(--font-mono);font-size:11px;color:var(--mute);margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}.vt-cover-wrap{max-width:1180px;margin:0 auto;padding:8px 32px 0}@media (max-width:880px){.vt-cover-wrap{padding:8px 20px 0}}.vt-cover{width:100%;border-radius:12px;border:1px solid var(--line);background:var(--paper-2)}.vt-card-cover,.vt-cover{display:block;height:auto;aspect-ratio:1200/630}.vt-card-cover{width:calc(100% + 48px);margin:-24px -24px 14px;-o-object-fit:cover;object-fit:cover;border-radius:10px 10px 0 0;border-bottom:1px solid var(--line)}.vt-article :where(img){display:block;max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line);margin:20px auto}