@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#07143d;--blue:#0667f9;--yellow:#ffc107;--orange:#ff7a00;--ink:#111b36;--muted:#5d6882;--line:#dfe6f2;--soft:#f4f7fc;--accent:#0667f9;--accent2:#00a3ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.7 Manrope,system-ui,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1100px,calc(100% - 36px));margin:auto}.skip{position:fixed;top:-60px;left:12px;background:#fff;padding:10px;z-index:20}.skip:focus{top:12px}.top{height:76px;border-bottom:1px solid var(--line);background:#fff}.top .container{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{width:165px}.top nav{display:flex;align-items:center;gap:22px;font-size:.86rem;font-weight:700}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:12px;padding:13px 20px;background:var(--blue);color:#fff;font-weight:800;box-shadow:0 10px 25px #0667f933}.button.alt{background:#fff;color:var(--blue);border:1px solid #b9d2ff;box-shadow:none}.breadcrumbs{padding:18px 0;color:var(--muted);font-size:.76rem}.breadcrumbs a{color:var(--blue)}.hero{background:linear-gradient(135deg,var(--navy),#0c286d);color:#fff;overflow:hidden}.hero-grid{min-height:510px;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;padding:60px 0 80px}.eyebrow{color:#7db1ff;text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:800;margin:0 0 12px}.hero h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.08;letter-spacing:-.05em;margin:0 0 20px}.hero-copy{color:#dce6ff;font-size:1.08rem}.actions{display:flex;gap:12px;margin-top:28px}.hero-visual{height:360px;position:relative;display:grid;place-items:center}.visual-orbit{position:absolute;width:330px;height:330px;border:1px solid #ffffff28;border-radius:50%;box-shadow:0 0 0 35px #ffffff08,0 0 0 70px #ffffff05}.visual-card{z-index:2;width:290px;background:#fff;color:var(--ink);border-radius:24px;padding:24px;box-shadow:0 30px 70px #02081799;transform:rotate(3deg)}.visual-top{display:flex;justify-content:space-between;color:var(--accent);font-size:.75rem;font-weight:800}.visual-card strong{display:block;font-size:1.25rem;line-height:1.35;margin:20px 0}.answers{display:grid;gap:8px}.answers i{height:34px;border:1px solid var(--line);border-radius:9px;position:relative}.answers i:before{content:attr(data-l);position:absolute;left:10px;top:6px;font-style:normal;font-size:.75rem;font-weight:800;color:var(--accent)}.answers i:nth-child(3){border-color:var(--accent);background:#eef5ff}.visual-badge{position:absolute;z-index:3;right:0;bottom:30px;background:var(--yellow);color:var(--navy);padding:12px 16px;border-radius:14px;font-weight:800;transform:rotate(-5deg)}.enem{--accent:#0066ff;--accent2:#00b7ff}.concursos{--accent:#653cff;--accent2:#a67cff}.matematica{--accent:#0066ff;--accent2:#00c2ff}.portugues{--accent:#e84b77;--accent2:#ff8c69}.fisica{--accent:#6546e8;--accent2:#14b8d4}.quimica{--accent:#079b7a;--accent2:#67cf6c}.comentadas{--accent:#f07800;--accent2:#ffc107}.hero .button{background:linear-gradient(135deg,var(--accent),var(--accent2))}.section{padding:82px 0}.section.soft{background:var(--soft)}.heading{max-width:720px;margin-bottom:38px}.heading h2,.two-col h2,.cta h2{font-size:clamp(1.9rem,3.5vw,2.8rem);line-height:1.15;letter-spacing:-.04em;margin:0 0 14px}.heading p,.two-col p{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{border:1px solid var(--line);border-radius:20px;padding:26px;background:#fff}.feature span{display:grid;place-items:center;width:48px;height:48px;background:#edf4ff;color:var(--accent);border-radius:14px;font-weight:800;font-size:1.25rem;margin-bottom:18px}.feature h3{line-height:1.25;margin-bottom:8px}.feature p{color:var(--muted);font-size:.9rem;margin:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.topic-list,.check-list{padding:0;list-style:none}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:11px}.topic-list li{border:1px solid var(--line);padding:13px;border-radius:11px;font-weight:700;font-size:.85rem}.topic-list li:before{content:'\2713';color:var(--accent);margin-right:8px}.check-list li{padding-left:27px;position:relative;margin:12px 0}.check-list li:before{content:'\2713';position:absolute;left:0;color:var(--accent);font-weight:900}.example{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff;box-shadow:0 18px 50px #07143d12}.example .tags{display:flex;gap:8px}.tags span{background:#eef4ff;color:var(--accent);border-radius:20px;padding:5px 10px;font-size:.68rem;font-weight:800}.example h3{line-height:1.45;margin:20px 0}.example ol{padding:0;list-style-position:inside}.example li{padding:10px 12px;border:1px solid var(--line);border-radius:9px;margin:7px 0}.example li.correct{border-color:var(--accent);background:#f0f6ff;color:var(--accent);font-weight:800}.explain{border-left:4px solid var(--yellow);background:#fff8dc;padding:14px;margin-top:16px;font-size:.85rem}.links-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.links-grid a{border:1px solid var(--line);border-radius:16px;padding:20px;font-weight:800;transition:.2s}.links-grid a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-weight:800;cursor:pointer}.faq details p{color:var(--muted)}.cta{background:linear-gradient(120deg,var(--navy),#0d3184);color:#fff;text-align:center;padding:75px 0}.cta p{color:#dce6ff}.footer{background:#040d2b;color:#cad5ef;padding:45px 0 22px}.footer-main{display:flex;justify-content:space-between}.footer img{width:150px;filter:brightness(0) invert(1)}.footer nav{display:flex;gap:24px;font-size:.82rem}.copyright{border-top:1px solid #263354;margin-top:30px;padding-top:18px;font-size:.72rem;color:#8090b5}
@media(max-width:800px){.top nav a:not(.button){display:none}.hero-grid,.two-col{grid-template-columns:1fr}.hero-grid{padding-top:45px;gap:15px}.hero-visual{height:330px}.feature-grid,.links-grid{grid-template-columns:1fr 1fr}.two-col{gap:35px}}
@media(max-width:540px){.brand{width:140px}.top nav{gap:0}.hero-grid{min-height:auto}.hero-visual{height:315px}.visual-card{width:255px}.visual-orbit{width:275px;height:275px}.visual-badge{right:5px}.actions{flex-direction:column}.section{padding:62px 0}.feature-grid,.links-grid,.topic-list{grid-template-columns:1fr}.footer-main{display:grid;gap:28px}.footer nav{display:grid;gap:8px}}
.hero .button.alt{background:#fff;color:var(--accent);border-color:#fff}
.hero-image{width:100%;height:360px;object-fit:cover;border-radius:28px;box-shadow:0 30px 70px #02081799}.deep-dive{border-top:1px solid var(--line)}.deep-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.deep-grid h2{font-size:clamp(1.9rem,3.5vw,2.8rem);line-height:1.15;letter-spacing:-.04em}.deep-grid h3{margin-top:28px}.deep-grid p{color:var(--muted)}.study-table{width:100%;border-collapse:collapse;font-size:.88rem}.study-table th,.study-table td{text-align:left;padding:13px;border-bottom:1px solid var(--line);vertical-align:top}.study-table th{color:var(--accent)}.callout{padding:20px;border-radius:15px;background:#fff8dc;border-left:4px solid var(--yellow);margin-top:20px}.callout strong{display:block;margin-bottom:6px}
@media(max-width:800px){.deep-grid{grid-template-columns:1fr}.hero-image{height:auto}}