/* Página de vendas da Nexus: preto profundo, seções brancas, ladrilhos, vidro e o azul da Nexus como destaque. */
:root {
  --preto: #05070D; --grafite: #0A0E17; --cartao-esc: #0C111C; --linha-esc: rgba(255, 255, 255, .08);
  --texto: #F2F5FA; --mudo: #9AA6BA; --mudo-esc: #7D889B;
  --branco: #FFFFFF; --cartao-claro: #F7F8FA; --linha-clara: #E9ECF1; --tinta: #3A404C; --tinta-forte: #1E232D; --tinta-mudo: #5C6473;
  --azul: #3395FF; --azul-claro: #6BB4FF; --azul-esc: #1B6FD1; --azul-vidro: rgba(51, 149, 255, .14);
  --alerta: #FFB547; --ok: #3DDC97;
  --cx: 1060px; --raio: 18px;
  /* nomes antigos usados por /assinatura, /baixar e /conectar */
  --fundo: #05070D; --fundo2: #0A0E17; --cartao: #0C111C; --linha: #1C2433; --altura-topo: 104px;
  --fonte: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  --ladrilho: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Crect x='7' y='7' width='136' height='136' rx='20' fill='%23ffffff' fill-opacity='.018' stroke='%23ffffff' stroke-opacity='.045'/%3E%3C/svg%3E");
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--preto); color: var(--texto); font: 17px/1.6 var(--fonte); -webkit-font-smoothing: antialiased; color-scheme: dark; overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: inherit; }
.cx { width: min(100% - 32px, var(--cx)); margin-inline: auto; position: relative; }
.pular { position: absolute; left: -999px; top: 8px; background: var(--azul); color: #fff; padding: 10px 14px; border-radius: 10px; z-index: 100; }
.pular:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--azul-claro); outline-offset: 3px; border-radius: 8px; }
.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* fundo de ladrilhos arredondados */
.ladrilhos { position: absolute; inset: 0; background: var(--ladrilho) center top / 150px 150px; pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 40%, #000 30%, transparent 85%); mask-image: radial-gradient(ellipse 75% 70% at 50% 40%, #000 30%, transparent 85%); }

/* topo em pílula de vidro */
.topo { position: fixed; top: 18px; left: 0; right: 0; z-index: 50; pointer-events: none; }
.topo-in { pointer-events: auto; width: min(100% - 32px, 880px); margin-inline: auto; display: flex; align-items: center; gap: 22px; min-height: 62px; padding: 0 8px 0 22px;
  background: rgba(10, 14, 23, .62); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, .1); border-radius: 999px; box-shadow: 0 10px 40px rgba(0, 0, 0, .35); }
.marca { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 21px; letter-spacing: -.02em; text-decoration: none; }
.menu { display: flex; gap: 22px; margin-left: 10px; }
.menu a { white-space: nowrap; color: #D6DCE6; text-decoration: none; font-size: 14px; padding: 8px 0; transition: color .15s; }
.menu a:hover, .menu a.ativo { color: var(--azul-claro); }
.entrar { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: #D6DCE6; text-decoration: none; white-space: nowrap; }
.entrar:hover { color: #fff; }
.entrar .ic { width: 15px; height: 15px; }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 30px; border-radius: 999px; background: var(--azul); color: #031021; font: 600 14px/1 var(--fonte); letter-spacing: .04em; text-transform: uppercase; text-decoration: none; border: 0; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); background: var(--azul-claro); }
.btn-peq { min-height: 46px; padding: 0 26px; text-transform: none; letter-spacing: 0; font-size: 14px; }
.btn-brilho { min-height: 60px; padding: 0 44px; background: linear-gradient(180deg, #6BB4FF 0%, #3395FF 55%, #1F7FE6 100%); box-shadow: 0 0 0 1px rgba(255, 255, 255, .15) inset, 0 10px 40px rgba(51, 149, 255, .45), 0 0 80px rgba(51, 149, 255, .25); }
.btn-brilho:hover { box-shadow: 0 0 0 1px rgba(255, 255, 255, .2) inset, 0 12px 48px rgba(51, 149, 255, .6), 0 0 100px rgba(51, 149, 255, .3); }
.btn-contorno { min-height: 60px; padding: 0 36px; background: rgba(255, 255, 255, .02); color: var(--texto); border: 1.5px solid rgba(255, 255, 255, .22); }
.btn-contorno:hover { background: rgba(255, 255, 255, .07); }
.btn-contorno .ic { width: 16px; height: 16px; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; }
.acoes.centro { justify-content: center; }

.btn-sec { background: rgba(255, 255, 255, .03); color: var(--texto); border: 1.5px solid rgba(255, 255, 255, .2); }
.btn-sec:hover { background: rgba(255, 255, 255, .08); }

/* tipografia */
h1, h2, h3 { margin: 0; letter-spacing: -.025em; }
h2 { font-size: clamp(32px, 4.4vw, 52px); font-weight: 300; line-height: 1.08; max-width: 19ch; margin-bottom: 20px; }
h2 em, h1 b { font-style: normal; color: var(--azul); }
h3 { font-size: 19px; font-weight: 400; line-height: 1.3; margin-bottom: 10px; letter-spacing: -.01em; }
.lead { font-size: 18px; font-weight: 300; max-width: 52ch; margin: 0 0 30px; color: var(--mudo); }
.nota { font-size: 13px; color: var(--mudo); margin: 14px 0 0; }
.selo { display: inline-block; margin: 0 0 18px; padding: 6px 20px; border-radius: 999px; font-size: 11px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--linha-clara); color: var(--tinta); background: var(--branco); }
.selo-esc { background: rgba(255, 255, 255, .03); border-color: rgba(255, 255, 255, .14); color: #D6DCE6; }

/* seções */
.sec { position: relative; padding: 110px 0; }
.sec.sem-topo { padding-top: 0; }
.clara { background: var(--branco); color: var(--tinta); color-scheme: light; }
.clara h2 { color: var(--tinta); }
.clara .lead { color: var(--tinta-mudo); }
.escura { background: var(--preto); overflow: hidden; }
.escura::before { content: ""; position: absolute; left: 50%; top: 52%; width: 1100px; height: 900px; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(51, 149, 255, .14), transparent); pointer-events: none; }

/* hero */
.hero { position: relative; min-height: 820px; display: flex; align-items: center; overflow: hidden; padding: 140px 0 90px;
  background:
    radial-gradient(ellipse 40% 50% at 82% 62%, rgba(51, 149, 255, .22), transparent 70%),
    radial-gradient(ellipse 30% 35% at 60% 20%, rgba(51, 149, 255, .10), transparent 70%),
    linear-gradient(180deg, #060912 0%, #0A111F 55%, #05070D 100%); }
.hero-luz { position: absolute; inset: auto 0 0; height: 220px; background: linear-gradient(180deg, transparent, var(--preto)); pointer-events: none; }
.hero-in { width: min(100% - 32px, 1180px); display: grid; grid-template-columns: 1.15fr .8fr .6fr; gap: 36px; align-items: center; }
.hero h1 { font-size: clamp(36px, 4.6vw, 58px); font-weight: 300; line-height: 1.06; letter-spacing: -.035em; max-width: 15ch; }
.hero h1 b { display: block; font-weight: 600; }
.sub { font-size: 18px; font-weight: 300; color: #D2D9E4; max-width: 46ch; margin: 22px 0 32px; }
.sub strong { color: #fff; font-weight: 500; }

/* celular (no lugar da pessoa com o cartão) */
.celular-cena { position: relative; height: 560px; display: flex; align-items: center; justify-content: center; }
.celular-cena::after { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(closest-side, rgba(51, 149, 255, .35), transparent); filter: blur(10px); z-index: 0; }
.celular { position: relative; z-index: 2; width: 250px; aspect-ratio: 9 / 19; border-radius: 40px; padding: 9px; background: linear-gradient(145deg, #2A2F3A, #0B0D12 40%, #1A1E26); box-shadow: 0 40px 90px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .08), 0 0 60px rgba(51, 149, 255, .25); transform: rotate(-7deg); }
.celular-tras { position: absolute; z-index: 1; transform: rotate(9deg) translate(70px, 10px) scale(.9); opacity: .5; filter: blur(1.5px); }
.cel-tela { position: relative; height: 100%; border-radius: 32px; overflow: hidden;
  background: radial-gradient(ellipse 70% 45% at 50% 105%, #1B2A44 0%, transparent 70%), radial-gradient(ellipse 60% 40% at 70% 15%, rgba(51, 149, 255, .35), transparent 70%), linear-gradient(180deg, #121A2B, #070A12); }
.celular-tras .cel-tela { background: linear-gradient(160deg, var(--azul) 0 35%, #0A0E17 35%); }
.cel-rosto { position: absolute; left: 50%; top: 24%; width: 46%; aspect-ratio: 1; border-radius: 50%; transform: translateX(-50%); background: radial-gradient(circle at 40% 35%, #3A4A66, #1A2436 70%); box-shadow: 0 150px 0 50px #1A2436; }
.cel-tag { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); z-index: 3; white-space: nowrap; font-size: 10px; letter-spacing: .04em; padding: 5px 10px; border-radius: 999px; background: rgba(5, 7, 13, .65); border: 1px solid rgba(255, 255, 255, .14); color: #D6DCE6; }
.cel-leg { position: absolute; left: 0; right: 0; bottom: 26%; z-index: 3; margin: 0; text-align: center; font-size: 26px; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; text-transform: uppercase; color: #fff; text-shadow: 0 3px 14px rgba(0, 0, 0, .6); }
.cel-leg mark { background: var(--azul); color: #031021; padding: 0 6px; border-radius: 6px; }
.cel-trilha { position: absolute; left: 14px; right: 14px; bottom: 16px; display: grid; gap: 5px; z-index: 3; }
.cel-trilha i { height: 6px; border-radius: 4px; background: rgba(255, 255, 255, .14); }
.cel-trilha i:nth-child(1) { width: 80%; background: rgba(51, 149, 255, .75); }
.cel-trilha i:nth-child(2) { width: 55%; margin-left: 20%; }
.cel-trilha i:nth-child(3) { width: 65%; background: rgba(61, 220, 151, .55); }

.hero-lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 30px; }
.hero-lista li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: #E6EBF2; }
.hero-lista .ic { width: 22px; height: 22px; color: var(--azul-claro); }

/* a Nexus por dentro */
.por-dentro { background: linear-gradient(180deg, var(--preto), #0A111F 50%, var(--preto)); overflow: hidden; padding-top: 40px; }
.por-dentro h2 { color: #fff; }
.vitrine { position: relative; margin-top: 40px; display: grid; grid-template-columns: 1fr; gap: 0; }
.tela-app { margin: 0; border-radius: 16px; overflow: hidden; background: #0B0F18; border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 40px 100px rgba(0, 0, 0, .6), 0 0 80px rgba(51, 149, 255, .18); }
.tela-app img { display: block; width: 100%; height: auto; }
.tela-barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #111827; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 12px; color: var(--mudo); }
.tela-barra i { width: 10px; height: 10px; border-radius: 50%; background: #2A3346; }
.tela-barra span { margin-left: 10px; }
.tela-principal { width: 88%; }
.tela-segunda { width: 52%; justify-self: end; margin-top: -22%; position: relative; z-index: 2; transition: transform .3s ease; }
@media (hover: hover) { .tela-segunda:hover { transform: translateY(-6px); } }
.centro-nota { text-align: center; margin-top: 22px; }
@media (max-width: 720px) { .tela-principal, .tela-segunda { width: 100%; } .tela-segunda { margin-top: 14px; } .tela-barra span { display: none; } }

/* trio e leque de quadros */
.trio { font-size: clamp(20px, 2.2vw, 26px); font-weight: 400; letter-spacing: -.02em; margin: 0 0 40px; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.trio span:nth-child(1) { color: #A3AAB6; }
.trio span:nth-child(2) { color: var(--tinta-forte); }
.trio span:nth-child(3) { color: var(--azul); }

.leque { position: relative; height: 430px; margin: 10px auto 0; max-width: 960px; }
.leque .q { position: absolute; left: 0; bottom: 30px; width: 340px; aspect-ratio: 1.6; border-radius: 24px; transform-origin: 50% 100%;
  transform: translateX(calc(var(--i) * 72px)) rotate(calc(-26deg + var(--i) * 5deg));
  background: linear-gradient(115deg, #071226 0%, #0E2A55 18%, #3395FF 42%, #A9D4FF 58%, #3395FF 74%, #1B6FD1 100%);
  border: 1px solid rgba(255, 255, 255, .5); box-shadow: 0 20px 50px rgba(18, 60, 120, .22); opacity: calc(.62 + var(--i) * .05); filter: saturate(1.1); }
.leque .q-frente { left: auto; right: 0; bottom: 40px; width: 420px; opacity: 1; transform: rotate(6deg); overflow: hidden; color: #fff; background: #0B0E15; border: 1px solid rgba(255, 255, 255, .1); box-shadow: 0 40px 80px rgba(5, 7, 13, .35); }
.leque .q-frente::before { content: ""; position: absolute; right: -10%; top: -10%; width: 55%; height: 130%; background: linear-gradient(160deg, var(--azul-claro), var(--azul)); clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%, 48% 55%); }
.leque .q-frente::after { content: ""; position: absolute; right: 6%; top: 18%; width: 22%; height: 60%; background: #0B0E15; clip-path: polygon(0 0, 100% 0, 100% 100%); }
.q-marca { position: absolute; top: 34px; left: 34px; z-index: 2; font-size: 30px; font-weight: 500; letter-spacing: -.03em; display: inline-flex; align-items: flex-start; gap: 4px; }
.q-marca i { width: 9px; height: 9px; border-radius: 2px; background: var(--azul); margin-top: 8px; transform: rotate(45deg); }
.q-mini { position: absolute; left: 34px; bottom: 80px; z-index: 2; font-size: 11px; color: #9AA6BA; }
.q-num { position: absolute; left: 34px; bottom: 50px; z-index: 2; font-size: 17px; letter-spacing: .04em; color: #E6EBF2; }
.q-ok { position: absolute; right: 30px; bottom: 22px; z-index: 2; font-size: 11px; padding: 4px 10px; border-radius: 999px; background: rgba(5, 7, 13, .75); color: var(--azul-claro); border: 1px solid rgba(107, 180, 255, .4); }

/* cartões claros com ícone em quadrado azul */
.produtos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.prod { background: var(--cartao-claro); border: 1px solid var(--linha-clara); border-radius: var(--raio); padding: 36px 44px 34px; }
.prod h3 { color: var(--tinta); margin-top: 22px; }
.prod p { margin: 0; font-size: 14px; color: var(--tinta-mudo); max-width: 44ch; }
.prod ul { margin: 18px 0 0; padding-left: 16px; display: grid; gap: 6px; font-size: 14px; color: var(--tinta-mudo); }
.prod li::marker { color: var(--tinta); }
.quad { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 10px; background: var(--azul); color: #fff; box-shadow: 0 6px 16px rgba(51, 149, 255, .35); }

.dupla { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.pilha { display: grid; gap: 14px; }
.pilha .prod { padding: 30px 40px; }

/* torre de quadros torcida */
.torre { position: relative; height: 720px; }
.torre .t { position: absolute; left: 50%; top: calc(80px + var(--i) * 26px); width: 340px; aspect-ratio: 1.6; margin-left: -170px; border-radius: 22px; background: #0B0E15;
  border: 1px solid rgba(51, 149, 255, .55); transform: rotate(calc(-52deg + var(--i) * 6deg)) translateX(calc(var(--i) * 6px)); box-shadow: 0 6px 18px rgba(5, 7, 13, .18); }
.torre .t-topo { overflow: hidden; border-color: rgba(255, 255, 255, .1); color: #fff; }
.torre .t-topo::before { content: ""; position: absolute; left: 30%; top: -20%; width: 90%; height: 80%; background: linear-gradient(160deg, var(--azul-claro), var(--azul)); clip-path: polygon(0 0, 100% 0, 100% 40%, 40% 100%, 55% 30%); }
.torre .q-marca { top: auto; bottom: 26px; left: 28px; font-size: 24px; }
.t-leg { position: absolute; right: 24px; bottom: 24px; z-index: 2; font-size: 15px; font-weight: 800; text-transform: uppercase; text-align: right; line-height: 1.15; }
.t-leg mark { background: var(--azul); color: #031021; padding: 0 4px; border-radius: 4px; }

.nao-e { margin-top: 40px; border: 1px dashed #D5DAE2; border-radius: var(--raio); padding: 28px 40px; }
.nao-e h3 { color: var(--tinta); }
.nao-e ul { margin: 0; padding-left: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 36px; font-size: 14px; color: var(--tinta-mudo); }

/* destaque leve ao passar o mouse em todas as caixas */
.prod, .medo, .seguranca article, .passos li, .calc-res div, .faq details { transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background-color .22s ease; }
@media (hover: hover) {
  .prod:hover { transform: translateY(-3px); border-color: rgba(51, 149, 255, .45); box-shadow: 0 14px 34px rgba(30, 60, 110, .12); }
  .medo:hover, .seguranca article:hover, .passos li:hover { transform: translateY(-3px); border-color: rgba(51, 149, 255, .45); background-color: #101828; box-shadow: 0 16px 40px rgba(0, 0, 0, .35), 0 0 30px rgba(51, 149, 255, .12); }
  .calc-res div:hover { border-color: rgba(51, 149, 255, .45); }
  .faq details:hover { border-color: rgba(51, 149, 255, .35); }
}

/* seção escura: medos, passos, segurança */
.escura h2 { color: #fff; }
.medos, .seguranca { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 44px 0 0; }
.medo, .seguranca article, .passos li { background: linear-gradient(180deg, rgba(255, 255, 255, .025), rgba(255, 255, 255, .008)), var(--cartao-esc); border: 1px solid var(--linha-esc); border-radius: 14px; padding: 26px; }
.medo h3, .seguranca h3, .passos h3 { color: #fff; margin-top: 22px; font-size: 17px; }
.medo p, .seguranca p, .passos p { margin: 0; font-size: 14px; color: var(--mudo-esc); }
.medo .dor { margin-bottom: 12px; }
.medo .solucao { color: #C3CBD8; }
.medo .solucao b { color: var(--azul-claro); font-weight: 500; }
.quad-esc { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 9px; background: rgba(255, 255, 255, .06); color: #E6EBF2; font-weight: 500; font-size: 15px; }
.quad-esc.azul { color: var(--azul-claro); background: rgba(51, 149, 255, .1); }
.bloco-luz { position: relative; margin: 120px 0; }
.passos { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }

/* calculadora (clara) */
.calc { background: var(--cartao-claro); border: 1px solid var(--linha-clara); border-radius: var(--raio); padding: 34px 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.calc label, .lead-form label { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.calc label { color: var(--tinta-mudo); }
input[type=number], .lead-form input:not([type=checkbox]), #chat-texto { min-height: 50px; padding: 0 16px; border-radius: 12px; font: inherit; font-size: 17px; }
.calc input { border: 1px solid #DCE1E8; background: #fff; color: var(--tinta-forte); }
input:focus { outline: none; border-color: var(--azul) !important; box-shadow: 0 0 0 3px rgba(51, 149, 255, .25); }
.calc-res { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 6px; }
.calc-res div { background: #fff; border: 1px solid var(--linha-clara); border-radius: 14px; padding: 18px 20px; }
.calc-res span { display: block; font-size: 12px; color: var(--tinta-mudo); }
.calc-res strong { font-size: 30px; font-weight: 300; letter-spacing: -.02em; color: var(--tinta-forte); }
.calc-res div:nth-child(2) strong { color: var(--azul); }
.calc-conclusao { grid-column: 1 / -1; margin: 4px 0 0; font-size: 17px; color: var(--tinta-forte); }
.calc .nota { grid-column: 1 / -1; margin: 0; color: var(--tinta-mudo); }
.para-quem { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.para-quem .prod h3 { margin-top: 0; margin-bottom: 18px; }
.lista-ok, .lista-nao { list-style: none; padding: 0 !important; margin: 0; display: grid; gap: 10px; }
.lista-ok li, .lista-nao li { padding-left: 30px; position: relative; font-size: 15px; color: var(--tinta-mudo); }
.lista-ok li::before, .lista-nao li::before { position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }
.lista-ok li::before { content: "\2713"; background: var(--azul); color: #fff; }
.lista-nao li::before { content: "\2715"; background: #E9ECF1; color: var(--tinta); }

/* dúvidas (bloco de atendimento) */
.atendimento { overflow: hidden; background:
  radial-gradient(ellipse 45% 60% at 85% 40%, rgba(51, 149, 255, .18), transparent 70%),
  radial-gradient(ellipse 25% 30% at 70% 85%, rgba(61, 220, 151, .06), transparent 70%),
  linear-gradient(180deg, #05070D, #0A111F 60%, #05070D); }
.atendimento h2 { color: #fff; font-weight: 200; }
.atendimento .lead { color: #C3CBD8; }
.faq { display: grid; gap: 8px; }
.faq details { background: rgba(12, 17, 28, .7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--linha-esc); border-radius: 14px; padding: 2px 22px; transition: border-color .2s; }
.faq details[open] { border-color: rgba(51, 149, 255, .4); }
.faq summary { cursor: pointer; font-size: 15px; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; color: #E6EBF2; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--azul-claro); font-size: 22px; line-height: 1; font-weight: 300; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { margin: 0 0 18px; font-size: 14px; color: var(--mudo); }

/* preço (cartão de CTA final) */
.final { position: relative; padding: 40px 0 0; background: linear-gradient(180deg, var(--preto) 0 40%, #0B0D12 40%); }
.cartao-final { position: relative; overflow: hidden; width: min(100% - 32px, 1000px); margin: 0 auto; padding: 80px 40px 0; text-align: center; border-radius: 28px;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(51, 149, 255, .22), transparent 70%), linear-gradient(180deg, #12151C, #0C0F15); border: 1px solid rgba(255, 255, 255, .08); box-shadow: 0 40px 100px rgba(0, 0, 0, .5); }
.cartao-final .ladrilhos { -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 20%, transparent 80%); mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 20%, transparent 80%); }
.cartao-final > * { position: relative; }
.cartao-final { text-align: left; padding-left: 56px; padding-right: 56px; }
.preco-grade { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.cartao-final h2 { max-width: 16ch; font-weight: 200; color: #fff; }
.cartao-final h2 em { font-weight: 400; }
.cartao-final .lead { color: #C3CBD8; margin-bottom: 22px; }
.preco-itens { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.preco-itens li { position: relative; padding-left: 30px; font-size: 15px; color: #D6DCE6; }
.preco-itens li::before { content: "\2713"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; font-size: 11px; font-weight: 700; background: rgba(51, 149, 255, .16); color: var(--azul-claro); }
.preco { position: relative; display: grid; gap: 12px; padding: 36px 32px 30px; border-radius: 24px; text-align: center;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(51, 149, 255, .28), transparent 70%), linear-gradient(180deg, #121A2B, #0B0F18);
  border: 1px solid rgba(107, 180, 255, .45); box-shadow: 0 30px 80px rgba(0, 0, 0, .45), 0 0 80px rgba(51, 149, 255, .22), inset 0 1px 0 rgba(255, 255, 255, .08); }
.preco-nome { margin: 0; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--azul-claro); font-weight: 600; }
.preco-valor { margin: 4px 0 0; font-size: clamp(34px, 12.5cqw, 84px); font-weight: 600; line-height: 1; letter-spacing: -.045em; color: #fff; text-shadow: 0 0 40px rgba(51, 149, 255, .45); white-space: nowrap; }
.preco-por { margin: 0 0 10px; color: var(--mudo); font-size: 15px; }
.preco-grade > * { min-width: 0; }
.preco { container-type: inline-size; min-width: 0; max-width: 100%; }
.preco > * { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
.preco-valor { overflow-wrap: normal; }
.preco .btn { width: 100%; white-space: normal; text-align: center; padding-inline: 20px; line-height: 1.2; }
.preco .nota { margin: 6px 0 0; font-size: 12px; line-height: 1.5; }
@media (max-width: 900px) { .preco-grade { grid-template-columns: 1fr; gap: 32px; } .cartao-final { padding-left: 24px; padding-right: 24px; } }
.leque-final { height: 330px; margin-top: 30px; max-width: 860px; }
.leque-final .q { bottom: -60px; width: 300px; border-color: rgba(255, 255, 255, .25); }
.leque-final .q-frente { bottom: -50px; width: 380px; border-color: rgba(255, 255, 255, .14); }

/* fecho */
.fecho { background: #0B0D12; padding-top: 110px; }
.fecho h2 { color: #fff; font-weight: 300; }
.lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 760px; }
.lead-form label { color: var(--mudo); }
.lead-form input:not([type=checkbox]), #chat-texto { border: 1px solid var(--linha-esc); background: var(--cartao-esc); color: var(--texto); }
.lead-form .aceite { grid-column: 1 / -1; flex-direction: row; align-items: flex-start; gap: 10px; font-size: 14px; }
.lead-form .aceite input { width: 20px; height: 20px; margin-top: 1px; accent-color: var(--azul); flex: none; }
.lead-form .btn { grid-column: 1 / -1; justify-self: start; }
.lead-form .nota { grid-column: 1 / -1; margin: 0; min-height: 22px; }

/* rodapé */
.rodape { background: #0B0D12; border-top: 1px solid var(--linha-esc); padding: 28px 0 96px; color: var(--mudo-esc); font-size: 13px; }
.rodape-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

/* chat */
.chat-abrir { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 62px; height: 62px; padding: 0; border-radius: 50%; border: 0; display: grid; place-items: center; background: radial-gradient(circle at 30% 25%, #6BB4FF, #3395FF 55%, #1F7FE6); color: #fff; cursor: pointer; box-shadow: 0 10px 28px rgba(0, 0, 0, .45), 0 0 0 4px rgba(51, 149, 255, .18); transition: transform .18s, box-shadow .18s; }
.chat-abrir svg { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.chat-abrir:hover { transform: scale(1.06); box-shadow: 0 12px 32px rgba(0, 0, 0, .5), 0 0 0 6px rgba(51, 149, 255, .22); }
.chat-abrir::after { content: ""; position: absolute; top: 3px; right: 3px; width: 13px; height: 13px; border-radius: 50%; background: var(--ok); border: 2px solid var(--preto); }
.chat-dica { position: absolute; right: 74px; top: 50%; transform: translateY(-50%); white-space: nowrap; padding: 8px 14px; border-radius: 999px; background: rgba(12, 17, 28, .92); border: 1px solid var(--linha-esc); color: var(--texto); font: 500 13px var(--fonte); opacity: 0; pointer-events: none; transition: opacity .18s; }
.chat-abrir:hover .chat-dica, .chat-abrir:focus-visible .chat-dica { opacity: 1; }
.contatos { position: fixed; right: 20px; bottom: 94px; z-index: 60; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.contatos a { background: rgba(12, 17, 28, .85); backdrop-filter: blur(12px); border: 1px solid var(--linha-esc); border-radius: 999px; padding: 10px 18px; text-decoration: none; font-size: 14px; }
.chat { position: fixed; right: 18px; bottom: 20px; z-index: 70; width: min(380px, calc(100vw - 36px)); height: min(520px, 70vh); display: flex; flex-direction: column; background: rgba(12, 17, 28, .94); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid rgba(255, 255, 255, .1); border-radius: 20px; box-shadow: 0 24px 70px rgba(0, 0, 0, .6); overflow: hidden; }
.chat header { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--linha-esc); font-size: 15px; }
.chat header b { font-weight: 500; }
.chat header button { background: none; border: 0; color: var(--mudo); cursor: pointer; font: inherit; font-size: 13px; padding: 6px; }
.chat-log { flex: 1; overflow: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.chat-log p { margin: 0; padding: 10px 14px; border-radius: 14px; max-width: 86%; font-size: 14px; line-height: 1.45; }
.chat-log .bot { background: rgba(255, 255, 255, .06); align-self: flex-start; }
.chat-log .eu { background: var(--azul); color: #031021; align-self: flex-end; }
#chat-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--linha-esc); }
#chat-texto { flex: 1; min-width: 0; font-size: 16px; min-height: 46px; }

/* telas menores */
@media (max-width: 1080px) {
  .hero-in { grid-template-columns: 1.2fr .8fr; }
  .hero-lista { grid-column: 1 / -1; grid-template-columns: repeat(4, auto); justify-content: start; gap: 14px 28px; }
  .menu { gap: 16px; }
}
@media (max-width: 1000px) { .menu { display: none; } .topo-in { width: min(100% - 32px, 560px); } }
@media (max-width: 960px) {
  .torre { display: none; }
  .dupla, .produtos, .para-quem { grid-template-columns: 1fr; }
  .medos, .seguranca { grid-template-columns: 1fr 1fr; }
  .passos, .calc { grid-template-columns: 1fr 1fr; }
  .leque .q { transform: translateX(calc(var(--i) * 48px)) rotate(calc(-26deg + var(--i) * 5deg)); width: 260px; }
  .leque .q-frente { width: 340px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .topo { top: 10px; }
  .topo-in { padding-left: 16px; gap: 12px; }
  .topo .btn { margin-left: auto; }
  .sec { padding: 72px 0; }
  .hero { min-height: 0; padding: 116px 0 40px; }
  .hero-in { grid-template-columns: 1fr; gap: 20px; }
  .celular-cena { height: 440px; }
  .celular { width: 200px; }
  .hero-lista { grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero-lista li { font-size: 14px; }
  .medos, .seguranca, .passos, .calc, .calc-res, .lead-form, .nao-e ul { grid-template-columns: 1fr; }
  .prod, .pilha .prod, .calc, .nao-e { padding: 26px 22px; }
  .bloco-luz { margin: 80px 0; }
  .btn, .btn-brilho, .btn-contorno { width: 100%; }
  .btn-peq { width: auto; }
  .leque { height: 300px; overflow: hidden; }
  .leque .q { width: 200px; border-radius: 16px; transform: translateX(calc(var(--i) * 26px)) rotate(calc(-26deg + var(--i) * 5deg)); }
  .leque .q-frente { width: 250px; border-radius: 18px; }
  .q-marca { top: 20px; left: 20px; font-size: 22px; }
  .q-mini { left: 20px; bottom: 56px; } .q-num { left: 20px; bottom: 32px; font-size: 12px; } .q-ok { display: none; }
  .cartao-final { padding: 56px 20px 0; border-radius: 22px; }
  .leque-final { height: 240px; }
}
@media (max-width: 760px) { .so-largo { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }
[hidden] { display: none !important; }

/* convite de amigos (11/11/2026) */
.preco-itens li.item-convite b { color: #fff; }
.convite-aviso { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; font-size: 14px; line-height: 1.5; color: #D6DCE6; background: rgba(51, 149, 255, .12); border: 1px solid rgba(51, 149, 255, .35); }
.convite-aviso b { color: #fff; }
.convite-aviso a { color: var(--azul-claro); }