/* Vieck Labs · estilo "laboratório de dados" (referência: template Strand): fundo quase preto, texto claro,
   partículas 3D, moldura de linhas finas e um único azul (o pingo do logo). */
@font-face { font-family: "Albert Sans"; src: url("/assets/albert-sans.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
:root {
  --bg: #0e0e0f; --bg-2: #141415; --card: #171718; --text: #f1f0ec; --muted: #8f8e8a; --line: #242426; --line-2: #2f2f32;
  --blue: #3d6bff; --live: #36d399; --sync: #3fb5ff; --pend: #f0b45b;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  --w: 1200px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Albert Sans", system-ui, sans-serif; font-size: 16px; line-height: 1.55; overflow-x: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 13px; color: var(--muted); }
.fine { font-size: 13px; }
.wrap { max-width: var(--w); margin: 0 auto; padding: 0 24px; position: relative; }
::selection { background: var(--blue); color: #fff; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.08; }

/* moldura: duas linhas verticais finas acompanham a página toda */
.frame { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.frame::before, .frame::after { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; background: var(--line); left: max(24px, calc(50% - var(--w) / 2 + 0px)); }
.frame::after { left: auto; right: max(24px, calc(50% - var(--w) / 2 + 0px)); }
main, .foot { position: relative; z-index: 1; }

/* botões */
.btn { display: inline-flex; align-items: center; height: 40px; padding: 0 16px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-family: inherit; transition: background-color .2s, border-color .2s, transform .2s; }
.btn.light { background: var(--text); color: #0e0e0f; }
.btn.light:hover { background: #fff; transform: translateY(-1px); }
.btn.dark { background: #1c1c1e; color: var(--text); border-color: var(--line-2); }
.btn.dark:hover { border-color: #47474b; }
.btn.sm { height: 34px; padding: 0 12px; font-size: 13px; }

/* topo */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(14, 14, 15, .8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.navbar { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { position: relative; display: block; width: 116px; }
.brand img { width: 100%; height: auto; }
.dot { position: absolute; left: 23.21%; top: 6.93%; width: 3.54%; aspect-ratio: 1; background: var(--blue); }
.navbar nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 500; }
.navbar nav a:not(.btn) { text-decoration: none; color: #c9c8c3; }
.navbar nav a:not(.btn):hover { color: #fff; }
.navbar .lang { font-family: var(--mono); font-size: 12px !important; border: 1px solid var(--line-2); padding: 3px 7px; border-radius: 6px; }
@media (max-width: 820px) { .navbar nav .opt { display: none; } }

/* hero */
.hero { padding: 22px 0 0; border-bottom: 1px solid var(--line); }
.pill { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; text-decoration: none; color: #d6d5d0; padding: 5px 12px 5px 5px; border: 1px solid var(--line-2); border-radius: 999px; }
.pill b { background: #232325; color: #fff; font-weight: 600; font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.pill span { color: var(--muted); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 520px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; min-height: 0; margin-top: 28px; } }
.hero h1 { font-size: clamp(40px, 5.4vw, 66px); line-height: 1.02; max-width: 11em; }
.lead { font-size: 17px; color: #b9b8b3; max-width: 30em; margin: 20px 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.strand { width: 100%; height: 560px; display: block; }
@media (max-width: 900px) { .strand { height: 380px; margin-top: 10px; } }
.steps { list-style: none; margin: 0; padding: 26px 0 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 760px; }
@media (max-width: 700px) { .steps { grid-template-columns: 1fr; } }
.steps b { color: var(--muted); font-weight: 500; }
.steps strong { font-weight: 600; }
.steps p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }

/* faixa */
.marquee-sec { padding: 26px 0 30px; border-bottom: 1px solid var(--line); overflow: hidden; }
.marquee { display: flex; width: max-content; margin-top: 18px; animation: slide 46s linear infinite; }
.marquee .row { display: flex; gap: 46px; padding-right: 46px; }
.marquee span { display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 600; letter-spacing: -0.02em; color: #e6e5e0; white-space: nowrap; }
.marquee span::before { content: ""; width: 9px; height: 9px; background: var(--blue); }
@keyframes slide { to { transform: translateX(-50%); } }

/* afirmação + atendimento */
.statement-sec { padding: 96px 0 40px; border-bottom: 1px solid var(--line); }
.statement { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.2; font-weight: 600; letter-spacing: -0.025em; max-width: 21em; margin: 0; }
.statement span { color: #8f8e8a; }
.assistant { position: relative; height: 520px; margin-top: 40px; }
.wave { position: absolute; inset: 0; width: 100%; height: 100%; }
.chat { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%); width: min(460px, 92%); }
.msgs { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; min-height: 120px; justify-content: flex-end; }
.msg { max-width: 85%; font-size: 14px; padding: 9px 12px; border-radius: 10px; background: #1b1b1d; border: 1px solid var(--line-2); opacity: 0; transform: translateY(6px); transition: opacity .35s, transform .35s; }
.msg.in { opacity: 1; transform: none; }
.msg.user { align-self: flex-end; background: #232326; }
.msg .tag { display: block; margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--live); }
.box { position: relative; height: 92px; background: rgba(20, 20, 21, .92); border: 1px solid var(--line-2); border-radius: 14px; padding: 14px 16px; }
.box .ph { color: var(--muted); font-size: 14px; }
.box .plus { position: absolute; left: 16px; bottom: 10px; color: var(--muted); }
.box .mic { position: absolute; right: 16px; bottom: 10px; color: var(--muted); font-size: 10px; }
.chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chips span { font-size: 12px; color: #c9c8c3; border: 1px solid var(--line-2); border-radius: 8px; padding: 4px 9px; background: rgba(20, 20, 21, .9); }

/* capacidades */
.caps { border-bottom: 1px solid var(--line); }
.caps-grid { display: grid; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .caps-grid { grid-template-columns: 1fr; } .systems { display: none; } }
.cap { min-height: 72vh; display: flex; flex-direction: column; justify-content: center; padding: 64px 40px 64px 0; border-bottom: 1px solid var(--line); }
.cap:last-child { border-bottom: 0; }
@media (max-width: 900px) { .cap { min-height: 0; padding: 56px 0; } }
.cap .no { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.cap h3 { font-size: clamp(28px, 3vw, 36px); margin: 10px 0 12px; }
.cap > p { color: #b9b8b3; margin: 0; max-width: 32em; }
.cap ul { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 560px) { .cap ul { grid-template-columns: 1fr; } }
.cap li { font-size: 14px; font-weight: 600; line-height: 1.35; }
.cap li i { display: block; width: 14px; height: 14px; border: 1.5px solid #cfcdc7; border-radius: 3px; margin-bottom: 10px; }
.systems { position: relative; border-left: 1px solid var(--line); }
.sys-panel { position: sticky; top: 120px; margin: 64px 0 64px 48px; display: grid; gap: 10px; }
.sys-title { font-size: 11px; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin: 0 0 6px; }
.sys { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--card); border: 1px solid var(--line-2); border-radius: 12px; padding: 14px 16px; transition: border-color .3s, opacity .3s, transform .3s; opacity: .45; }
.sys.on { opacity: 1; border-color: #3a3a3e; transform: translateX(-4px); }
.sys b { display: block; font-weight: 600; font-size: 15px; }
.sys small { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.st { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; white-space: nowrap; }
.st i { width: 7px; height: 7px; border-radius: 50%; background: var(--live); }
.st.sync i { background: var(--sync); } .st.pend i { background: var(--pend); }
.sys.on .st i { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px rgba(54, 211, 153, .12); } }

/* integrações */
.connect { padding: 96px 0; border-bottom: 1px solid var(--line); }
.connect-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .connect-grid { grid-template-columns: 1fr; } }
.connect p { max-width: 28em; }
.more { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; font-size: 14px; font-weight: 600; text-decoration: none; }
.more i { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: #232326; font-style: normal; }
.stack { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; }
.stack-title { margin: 0; padding: 12px 16px; font-size: 11px; color: var(--muted); border-bottom: 1px solid var(--line); }
.tool { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
.tool:last-child { border-bottom: 0; }
.tool span { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.tool span i { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; font-style: normal; font-size: 12px; font-weight: 700; background: #232326; color: #e6e5e0; }
.tool small { font-family: var(--mono); font-size: 11px; color: var(--live); }

/* princípios */
.principles { padding: 96px 0; border-bottom: 1px solid var(--line); }
.small-st { max-width: 18em; }
.pr-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
@media (max-width: 820px) { .pr-row { grid-template-columns: 1fr 1fr; } }
.pr-row div { border-top: 1px solid var(--line-2); padding-top: 18px; }
.pr-row b { display: block; font-size: 22px; letter-spacing: -0.02em; }
.pr-row p { margin: 6px 0 0; font-size: 14px; color: var(--muted); }

/* faq */
.faq { padding: 96px 0; border-bottom: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; } }
.qa details { border-bottom: 1px solid var(--line-2); }
.qa summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; font-weight: 600; font-size: 17px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--muted); font-weight: 400; }
.qa details[open] summary::after { content: "–"; }
.qa p { margin: 0 0 18px; color: #b9b8b3; max-width: 38em; }

/* fechamento + formulário */
.final { position: relative; padding: 120px 0 110px; overflow: hidden; text-align: center; }
.burst { position: absolute; inset: 0; width: 100%; height: 100%; }
.final-inner { position: relative; }
.final h2 { font-size: clamp(36px, 5vw, 60px); line-height: 1.02; max-width: 12em; margin: 0 auto; }
.final .muted { margin: 16px auto 34px; max-width: 30em; }
.contact { max-width: 620px; margin: 0 auto; text-align: left; display: grid; gap: 14px; background: rgba(20, 20, 21, .86); border: 1px solid var(--line-2); border-radius: 16px; padding: 22px; backdrop-filter: blur(6px); }
.contact .two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .contact .two { grid-template-columns: 1fr; } }
.contact label { display: grid; gap: 6px; font-size: 13px; color: #c9c8c3; }
.contact input, .contact textarea { font: inherit; font-size: 15px; color: var(--text); background: #0f0f10; border: 1px solid var(--line-2); border-radius: 9px; padding: 10px 12px; resize: vertical; }
.contact input:focus, .contact textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(61, 107, 255, .2); }
.contact .hp { position: absolute; left: -9999px; }
.send { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.status { font-size: 14px; color: var(--muted); }
.status.ok { color: var(--live); } .status.err { color: #ff8080; }

/* rodapé */
.foot { padding: 64px 0 0; overflow: hidden; }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 700px) { .cols { grid-template-columns: 1fr; } }
.cols .h { font-weight: 600; margin: 0 0 12px; }
.cols a { display: block; text-decoration: none; color: #b9b8b3; margin-bottom: 8px; font-size: 14px; }
.cols a:hover { color: #fff; }
.statusrow { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-top: 48px; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; border: 1px solid var(--line-2); border-radius: 999px; padding: 5px 12px; }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 3px rgba(54, 211, 153, .15); }
.giant { max-width: var(--w); margin: 40px auto 0; padding: 0 24px; opacity: .06; }
.giant img { width: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee { animation: none; }
  .sys.on .st i { animation: none; }
}