/* MBA ONSV.Academy em Gestão de Frotas — fundo preto, elementos azuis com transparência.
   Mesma linguagem visual da landpage do Super Livro EET. Prefixo mb-. */
:root {
  --mb-bg: #000;
  --mb-bg-alt: #070b11;
  --mb-card: rgba(10, 32, 54, .55);
  --mb-line: rgba(140, 199, 240, .18);
  --mb-text: #fff;
  --mb-muted: rgba(255, 255, 255, .74);
  --mb-faint: rgba(255, 255, 255, .5);
  --mb-accent: #6db4e6;
  --mb-navy: #0b2e5c;
  --mb-b1: #1d5fa8;
  --mb-b2: #3a8fd6;
  --mb-sky: #8cc7f0;
  --mb-grad: linear-gradient(90deg, var(--mb-navy) 0%, var(--mb-b1) 38%, var(--mb-b2) 78%, var(--mb-sky) 100%);
  --mb-font: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mb-r: 20px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.mb { margin: 0; background: var(--mb-bg); color: var(--mb-text); font-family: var(--mb-font); font-size: 16px; line-height: 1.65; overflow-x: hidden; }
.mb :where(h1, h2, h3, h4, p, ul, ol, dl, dd, figure) { margin: 0; }
.mb :where(ul, ol) { padding: 0; list-style: none; }
.mb a { color: inherit; text-decoration: none; }
.mb svg { max-width: 100%; }
.mb :focus-visible { outline: 2px solid var(--mb-b2); outline-offset: 3px; border-radius: 6px; }
.mb-wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.mb-narrow { width: min(780px, 100% - 32px); margin-inline: auto; }
.mb-center { text-align: center; }

/* Tipografia */
.mb-h1, .mb-h2, .mb-h3 { font-weight: 600; letter-spacing: -.02em; text-wrap: balance; }
.mb-h1:has(.mb-hl), .mb-h2:has(.mb-hl) { font-weight: 300; }
.mb-h1 { font-size: clamp(1.9rem, 5.6vw, 3.4rem); line-height: 1.12; }
.mb-h2 { font-size: clamp(1.5rem, 4.2vw, 2.3rem); line-height: 1.16; }
.mb-h3 { font-size: 1.15rem; line-height: 1.25; }
.mb-hl { font-weight: 700; background: linear-gradient(90deg, #5aa9e6, #a6d6f5); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.mb-lede { font-size: clamp(1rem, 2.2vw, 1.15rem); font-weight: 300; color: var(--mb-muted); text-wrap: pretty; }
.mb-eyebrow { display: inline-block; font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mb-accent); }
.mb-sec { padding: clamp(48px, 9vw, 96px) 0; position: relative; }
.mb-sec--alt { background: var(--mb-bg-alt); }
.mb-head { display: grid; gap: 14px; margin-bottom: clamp(28px, 5vw, 48px); }
.mb-head.mb-center { justify-items: center; }
.mb-head p { color: var(--mb-muted); max-width: 64ch; }

/* Botões */
.mb-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 14px 32px; border: 0; border-radius: 100px; cursor: pointer; background: var(--mb-grad); color: #fff; font-family: var(--mb-font); font-weight: 700; font-size: .88rem; letter-spacing: .02em; text-transform: uppercase; text-align: center; text-shadow: 0 1px 2px rgba(0, 24, 56, .6); position: relative; overflow: hidden; isolation: isolate; box-shadow: 0 -27px 80px rgba(74, 163, 224, .3), 0 -9px 29px rgba(74, 163, 224, .22), 0 -4px 14px rgba(140, 199, 240, .18), inset 0 1px 0 rgba(255, 255, 255, .28); transition: transform .18s ease, filter .18s ease; }
.mb-btn::after { content: ""; position: absolute; inset: 0 auto 0 -60%; width: 40%; z-index: -1; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent); transform: skewX(-20deg); animation: mb-shine 4.5s ease-in-out infinite; }
@keyframes mb-shine { 0%, 55% { left: -60%; } 100% { left: 130%; } }
.mb-btn:hover { transform: translateY(-2px); filter: brightness(1.12); }
.mb-btn--lg { min-height: 60px; font-size: 1rem; padding-inline: 40px; }
.mb-btn--sm { min-height: 42px; padding: 10px 22px; font-size: .76rem; }
.mb-btn--ghost { background: rgba(58, 143, 214, .08); border: 1.5px solid var(--mb-accent); color: var(--mb-accent); box-shadow: none; text-shadow: none; }
.mb-btn--ghost:hover { background: rgba(109, 180, 230, .16); }
.mb-btn--ghost::after { display: none; }

/* Cabeçalho */
.mb-header { position: sticky; top: 0; z-index: 90; background: rgba(0, 0, 0, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--mb-line); }
.mb-header__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.mb-brand { display: grid; gap: 6px; line-height: 1.1; text-transform: uppercase; }
.mb-brand small { font-size: .64rem; font-weight: 300; letter-spacing: .1em; }
.mb-brand strong { font-size: .92rem; font-weight: 700; color: var(--mb-accent); }
.mb-nav { display: none; gap: 4px; }
.mb-nav a { padding: 8px 12px; border-radius: 100px; font-size: .84rem; font-weight: 500; color: var(--mb-muted); }
.mb-nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
@media (min-width: 900px) { .mb-nav { display: flex; } }
@media (max-width: 560px) { .mb-header .mb-btn { display: none; } }

/* Hero */
.mb-hero { position: relative; overflow: hidden; padding: clamp(44px, 8vw, 96px) 0 clamp(48px, 8vw, 96px); text-align: center; isolation: isolate; }
.mb-hero::before { content: ""; position: absolute; inset: -20% -10% auto; height: 95%; z-index: -2; background: radial-gradient(60% 60% at 50% 30%, rgba(140, 199, 240, .3), rgba(74, 163, 224, .22) 35%, rgba(11, 46, 92, .18) 60%, transparent 78%); }
.mb-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .55; background: linear-gradient(115deg, transparent 58%, rgba(140, 199, 240, .16) 59%, transparent 61%), linear-gradient(115deg, transparent 66%, rgba(74, 163, 224, .14) 67%, transparent 68.5%), linear-gradient(245deg, transparent 58%, rgba(140, 199, 240, .16) 59%, transparent 61%), linear-gradient(245deg, transparent 66%, rgba(74, 163, 224, .14) 67%, transparent 68.5%); }
.mb-hero__in { display: grid; gap: clamp(20px, 3vw, 28px); justify-items: center; }
.mb-hero .mb-lede { max-width: 62ch; }
.mb-hero__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.mb-chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 10px; }
.mb-chips li { padding: 6px 14px; border: 1px solid var(--mb-line); border-radius: 100px; font-size: .82rem; color: var(--mb-muted); background: rgba(58, 143, 214, .07); }

/* Rede neural (SVG decorativo) */
.mb-neuro { width: min(520px, 90%); opacity: .95; filter: drop-shadow(0 0 30px rgba(74, 163, 224, .4)); }
.mb-neuro .n { fill: rgba(140, 199, 240, .9); animation: mb-pulse 3.2s ease-in-out infinite; }
.mb-neuro .n:nth-child(3n) { animation-delay: .8s; }
.mb-neuro .n:nth-child(3n+1) { animation-delay: 1.6s; }
.mb-neuro .l { stroke: rgba(109, 180, 230, .38); stroke-width: 1; fill: none; }
@keyframes mb-pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

/* Números */
.mb-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (min-width: 800px) { .mb-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.mb-stat { padding: 20px 16px; border: 1px solid var(--mb-line); border-radius: 16px; background: var(--mb-card); text-align: center; }
.mb-stat strong { display: block; font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 700; color: var(--mb-accent); line-height: 1.1; }
.mb-stat span { font-size: .86rem; color: var(--mb-muted); }

/* Cartões */
.mb-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .mb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 900px) { .mb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .mb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 640px) and (max-width: 899px) { .mb-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mb-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.mb-card { background: linear-gradient(165deg, rgba(10, 32, 54, .75) 0%, rgba(5, 15, 28, .6) 55%); border: 1px solid var(--mb-line); border-radius: var(--mb-r); padding: clamp(20px, 3vw, 28px); min-width: 0; box-shadow: inset 0 1px 0 rgba(140, 199, 240, .12); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.mb-card h3 { font-weight: 600; font-size: 1.1rem; line-height: 1.25; }
.mb-card p { color: var(--mb-muted); margin-top: 8px; font-size: .95rem; }
.mb-card--glow { border-color: rgba(63, 180, 255, .55); box-shadow: 0 0 24px rgba(63, 180, 255, .16), inset 0 0 16px rgba(63, 180, 255, .05); transition: transform .2s, box-shadow .2s; }
.mb-card--glow:hover { transform: translateY(-4px); box-shadow: 0 0 34px rgba(63, 180, 255, .3), inset 0 0 16px rgba(63, 180, 255, .08); }
.mb-ico { display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 14px; border-radius: 14px; background: rgba(58, 143, 214, .16); border: 1px solid var(--mb-line); color: var(--mb-sky); }
.mb-ico svg { width: 24px; height: 24px; }
.mb-num { font-size: 2.2rem; font-weight: 700; line-height: 1; color: rgba(109, 180, 230, .35); margin-bottom: 10px; }

.mb-checks { display: grid; gap: 14px; }
.mb-checks li { position: relative; padding-left: 36px; color: var(--mb-muted); }
.mb-checks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--mb-grad); }
.mb-checks li::after { content: ""; position: absolute; left: 7px; top: 8px; width: 8px; height: 4.5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }
.mb-split { display: grid; gap: clamp(28px, 5vw, 56px); align-items: center; }
@media (min-width: 860px) { .mb-split { grid-template-columns: 1fr 1fr; } }

/* Ementa */
.mb-eixo { border: 1px solid var(--mb-line); border-radius: var(--mb-r); background: rgba(10, 32, 54, .35); overflow: hidden; }
.mb-eixo + .mb-eixo { margin-top: 16px; }
.mb-eixo__head { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; align-items: center; padding: 22px clamp(18px, 3vw, 28px); background: linear-gradient(90deg, rgba(29, 95, 168, .35), rgba(11, 46, 92, .1)); border-bottom: 1px solid var(--mb-line); }
.mb-eixo__n { grid-row: span 2; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--mb-grad); font-weight: 700; font-size: 1.2rem; box-shadow: 0 0 24px rgba(74, 163, 224, .45); }
.mb-eixo__head h3 { font-size: clamp(1.05rem, 2.6vw, 1.3rem); font-weight: 600; }
.mb-eixo__head p { color: var(--mb-muted); font-size: .9rem; }
.mb-eixo__h { justify-self: start; padding: 2px 12px; border-radius: 100px; background: rgba(109, 180, 230, .14); color: var(--mb-accent); font-size: .72rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.mb-disc { border-bottom: 1px solid var(--mb-line); }
.mb-disc:last-child { border-bottom: 0; }
.mb-disc summary { display: flex; align-items: center; gap: 12px; padding: 18px clamp(18px, 3vw, 28px); cursor: pointer; list-style: none; font-weight: 500; }
.mb-disc summary::-webkit-details-marker { display: none; }
.mb-disc summary span.t { flex: 1; }
.mb-disc summary em { font-style: normal; flex: none; color: var(--mb-faint); font-size: .82rem; }
.mb-disc summary::after { content: ""; flex: none; width: 9px; height: 9px; border-right: 2px solid var(--mb-accent); border-bottom: 2px solid var(--mb-accent); transform: rotate(45deg); transition: transform .2s; }
.mb-disc[open] summary::after { transform: rotate(-135deg); }
.mb-disc[open] summary { color: var(--mb-sky); }
.mb-disc ul { padding: 0 clamp(18px, 3vw, 28px) 20px; display: grid; gap: 8px; }
.mb-disc li { position: relative; padding-left: 20px; color: var(--mb-muted); font-size: .92rem; }
.mb-disc li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--mb-b2); box-shadow: 0 0 8px var(--mb-b2); }

/* Etapas */
.mb-steps { counter-reset: st; display: grid; gap: 16px; }
@media (min-width: 800px) { .mb-steps { grid-template-columns: repeat(4, 1fr); } }
.mb-step { counter-increment: st; position: relative; padding-top: 52px; }
.mb-step::before { content: counter(st, decimal-leading-zero); position: absolute; top: 16px; left: clamp(20px, 3vw, 28px); font-size: 1.5rem; font-weight: 700; color: var(--mb-accent); }

/* Cartão de investimento (branco como na landpage do livro) */
.mb-price { position: relative; width: min(560px, 100%); margin-inline: auto; padding: clamp(26px, 5vw, 42px); background: #fff; color: #0a1220; border-radius: 26px; display: grid; gap: 18px; text-align: center; }
.mb-price::before { content: ""; position: absolute; top: 0; left: 50%; translate: -50% 0; width: 46%; height: 6px; border-radius: 0 0 8px 8px; background: var(--mb-grad); }
.mb-price h3 { font-size: 1.4rem; color: #1d5fa8; }
.mb-price p { color: #3a4557; }
.mb-price .mb-btn { justify-self: center; }

/* FAQ */
.mb-faq-word { text-align: center; font-weight: 700; font-size: clamp(4rem, 20vw, 9rem); line-height: .8; color: rgba(255, 255, 255, .06); margin-bottom: -.28em; user-select: none; }
.mb-faq { counter-reset: faq; border-top: 1px solid var(--mb-line); }
.mb-faq details { counter-increment: faq; border-bottom: 1px solid var(--mb-line); }
.mb-faq summary { display: flex; align-items: center; gap: 12px; padding: 20px 4px; cursor: pointer; list-style: none; font-weight: 500; font-size: 1.04rem; }
.mb-faq summary::-webkit-details-marker { display: none; }
.mb-faq summary::before { content: counter(faq, decimal-leading-zero) "."; color: var(--mb-faint); font-size: .95rem; }
.mb-faq summary::after { content: ""; margin-left: auto; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--mb-accent); border-bottom: 2px solid var(--mb-accent); transform: rotate(45deg); transition: transform .2s; }
.mb-faq details[open] summary::after { transform: rotate(-135deg); }
.mb-faq details p { padding: 0 4px 22px 40px; color: var(--mb-muted); }

/* CTA final + rodapé */
.mb-final { text-align: center; overflow: hidden; isolation: isolate; }
.mb-final::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 80% at 50% 100%, rgba(58, 143, 214, .35), transparent 70%); }
.mb-final .mb-wrap { display: grid; gap: 22px; justify-items: center; }
.mb-footer { border-top: 1px solid var(--mb-line); padding: 28px 0; color: var(--mb-faint); font-size: .84rem; }
.mb-footer .mb-wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }
.mb-footer a { color: var(--mb-muted); }
.mb-footer a:hover { color: #fff; }
.mb-note { color: var(--mb-faint); font-size: .84rem; }

/* Banner da home */
.mb-banner { position: relative; overflow: hidden; isolation: isolate; background: #000; color: #fff; font-family: var(--mb-font); padding: clamp(36px, 6vw, 64px) 0; border-block: 1px solid var(--mb-line); }
.mb-banner::before { content: ""; position: absolute; inset: -40% -10% auto; height: 150%; z-index: -2; background: radial-gradient(55% 60% at 80% 40%, rgba(74, 163, 224, .38), rgba(11, 46, 92, .2) 55%, transparent 75%); }
.mb-banner::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5; pointer-events: none; background: linear-gradient(115deg, transparent 58%, rgba(140, 199, 240, .14) 59%, transparent 61%), linear-gradient(115deg, transparent 66%, rgba(74, 163, 224, .12) 67%, transparent 68.5%); }
.mb-banner__in { display: grid; gap: 28px; align-items: center; width: min(1120px, 100% - 32px); margin-inline: auto; }
@media (min-width: 860px) { .mb-banner__in { grid-template-columns: 1.15fr .85fr; } }
.mb-banner h2 { font-size: clamp(1.6rem, 4.4vw, 2.6rem); font-weight: 300; line-height: 1.12; letter-spacing: -.02em; margin: 10px 0 14px; text-wrap: balance; color: #fff; }
.mb-banner p { color: var(--mb-muted); max-width: 56ch; font-weight: 300; margin: 0 0 18px; }
.mb-banner .mb-chips { justify-content: flex-start; margin-bottom: 22px; }
.mb-banner__art { display: grid; place-items: center; }

/* Imagens: sempre com degradê, transparência e sombra azul */
.mb-hero__bg { position: absolute; inset: 0; z-index: -3; background-size: cover; background-position: center; opacity: .5; -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%); mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%); }
.mb-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, .75), rgba(11, 46, 92, .35) 50%, rgba(0, 0, 0, .75)); }
.mb-photo { position: relative; margin: 0; border-radius: var(--mb-r); overflow: hidden; border: 1px solid var(--mb-line); box-shadow: 0 0 60px rgba(74, 163, 224, .22), 0 24px 50px rgba(0, 0, 0, .6); }
.mb-photo img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; }
.mb-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 46, 92, .25), transparent 40%, rgba(0, 0, 0, .55)); pointer-events: none; }
.mb-head + .mb-photo, .mb-head > .mb-photo { margin-top: 24px; }
.mb-split .mb-head { align-content: start; }
.mb-mosaic { display: grid; gap: 14px; margin-bottom: 28px; }
@media (min-width: 760px) { .mb-mosaic { grid-template-columns: 1.4fr 1fr 1fr; } .mb-mosaic .mb-photo img { aspect-ratio: 4 / 3; } }
.mb-card--img { padding: 0; overflow: hidden; }
.mb-card--img > :not(.mb-card__img) { margin-inline: clamp(20px, 3vw, 28px); }
.mb-card--img > p { margin-bottom: clamp(20px, 3vw, 28px); }
.mb-card__img { position: relative; height: 170px; margin-bottom: 18px; background-size: cover; background-position: center; border-bottom: 1px solid var(--mb-line); }
.mb-card__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 46, 92, .2), rgba(5, 15, 28, .9)); }
.mb-card--img .mb-ico { margin-top: -38px; position: relative; z-index: 1; background: rgba(11, 46, 92, .85); }
.mb-card--img .mb-num { margin-top: -46px; position: relative; z-index: 1; }
.mb-eixo__head { background-image: linear-gradient(90deg, rgba(0, 0, 0, .88) 0%, rgba(11, 46, 92, .7) 55%, rgba(29, 95, 168, .35) 100%), var(--bg); background-size: cover; background-position: center; }
.mb-final { background-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .55) 50%, rgba(11, 46, 92, .5) 100%), var(--bg); background-size: cover; background-position: center; }
.mb-banner__art { position: relative; }
.mb-banner__img { position: absolute; inset: 0; background-size: cover; background-position: center; border-radius: var(--mb-r); opacity: .55; -webkit-mask-image: radial-gradient(closest-side, #000 40%, transparent 100%); mask-image: radial-gradient(closest-side, #000 40%, transparent 100%); }
.mb-banner__art .mb-neuro { position: relative; }

/* Botão de volta ao site */
.mb-header__actions { display: flex; align-items: center; gap: 10px; }
.mb-back { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 9px 18px; border: 1.5px solid var(--mb-accent); border-radius: 100px; background: rgba(58, 143, 214, .12); color: #fff; font-weight: 600; font-size: .8rem; white-space: nowrap; box-shadow: 0 0 20px rgba(74, 163, 224, .25); transition: background .18s, transform .18s; }
.mb-back:hover { background: rgba(109, 180, 230, .28); transform: translateX(-2px); }
.mb-back--lg { min-height: 50px; padding: 12px 26px; font-size: .92rem; }
@media (max-width: 560px) { .mb-back span { display: none; } .mb-back { padding: 9px 12px; } .mb-back--lg span { display: inline; } .mb-back--lg { padding: 12px 22px; } .mb-header .mb-btn { display: inline-flex; padding: 10px 16px; font-size: .68rem; } }
@media (min-width: 900px) and (max-width: 1100px) { .mb-brand small { display: none; } }