/* ===========================================================
   Robozin — design system (linguagem visual Xscreen)
   Inter · fundo radial profundo · squircle · glow suave
   =========================================================== */

:root{
  /* superfícies */
  --bg:        #000910;
  --bg-deep:   #000508;
  --bg-soft:   #00131e;
  --surface:   rgba(255,255,255,.045);
  --surface-2: rgba(255,255,255,.075);
  --line:      rgba(255,255,255,.10);
  --line-2:    rgba(255,255,255,.20);
  --line-soft: rgba(255,255,255,.06);

  /* tinta */
  --ink:       #fff;
  --ink-2:     #e5e5e5;
  --muted:     #a3a3a3;
  --muted-2:   #737373;

  /* marca */
  --primary:   #009CF2;
  --primary-2: #32d4f5;
  --primary-3: #5ac8fa;
  --wa:        #25d366;
  --ink-on-wa: #04220f;

  /* gradientes */
  --grad-radial: radial-gradient(circle, #002940, #00131e, #000910);
  --grad-line:   linear-gradient(90deg, #0a84ff, #32d4f5, #5ac8fa);
  --grad-text:   linear-gradient(90deg, #e5e5e5 0%, #a3a3a3 45%, #009cf2 100%);

  /* camadas */
  --z-nav: 200;
  --z-float: 300;
  --z-modal: 500;

  --maxw: 1180px;
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 50px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --glow: drop-shadow(1.2px 1.2px 100.2px rgba(183,203,248,.45));

  --font-display: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; -webkit-text-size-adjust: 100%; color-scheme: dark; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, .97rem + .2vw, 1.0625rem);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
::selection{ background: var(--primary); color: #fff; }
a{ color: inherit; text-decoration: none; }
img,iframe{ display: block; max-width: 100%; }
h1,h2,h3,h4,h5{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.025em;
  text-wrap: balance;
}
p{ text-wrap: pretty; }
strong,b{ font-weight: 600; color: var(--ink); }
:focus-visible{ outline: 2px solid var(--primary-2); outline-offset: 3px; border-radius: 6px; }

.wrap{ width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.mono{
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; font-weight: 500;
}
.section{ padding-block: clamp(4rem, 8vw, 7rem); position: relative; }
.hide-sm{ display: inline; }

/* squircle progressivo (Chrome/Safari novos) */
.sq{ border-radius: var(--r-md); }
@supports (corner-shape: squircle){
  .sq, .btn, .card, .vid, .case, .step, .chip, .robot__media, .stat,
  .faq details, .guarantee, .stack, .offer__aside, .hero__shot{ corner-shape: squircle; }
}

/* ---------- botões ---------- */
.btn{
  --by: 0;
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  padding: .95em 1.5em; border-radius: var(--r-md); cursor: pointer;
  border: 1px solid transparent; text-align: center;
  transition: transform .3s var(--ease), background .2s, box-shadow .3s var(--ease), border-color .2s, color .2s;
  transform: translateY(var(--by)); will-change: transform;
}
.btn:active{ transform: scale(.99); }
.btn svg{ width: 1.15em; height: 1.15em; flex: none; }
.btn-primary{ background: #fff; color: #000; }
.btn-primary:hover{ background: #e5e5e5; --by: -2px; }
.btn-wa{ background: var(--wa); color: var(--ink-on-wa); }
.btn-wa:hover{ --by: -2px; filter: brightness(1.06); }
.btn-ghost{ background: rgba(255,255,255,.05); color: rgba(255,255,255,.9); border-color: var(--line-2); backdrop-filter: blur(8px); }
.btn-ghost:hover{ background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); --by: -2px; }
.btn-lg{ padding: 1.05em 1.9em; font-size: 1rem; }

/* ---------- nav ---------- */
.nav{
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  transition: background .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled{ background: rgba(0,9,16,.72); backdrop-filter: blur(16px) saturate(1.4); border-bottom-color: var(--line-soft); }
.nav__row{ display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
.brand{ display: inline-flex; align-items: center; gap: .6rem; }
.brand__logo{ height: 26px; width: auto; display: block; }
.foot .brand__logo{ height: 32px; }
.nav__links{ display: flex; align-items: center; gap: 1.5rem; }
.nav__links a{ color: var(--muted); font-weight: 500; font-size: .875rem; letter-spacing: -.01em; transition: color .2s; }
.nav__links a:hover{ color: var(--ink); }
.nav__cta{ display: flex; align-items: center; gap: .6rem; }
.nav__cta .btn{ padding: .65em 1.15em; font-size: .85rem; }
.nav__burger{ display: none; background: none; border: 0; color: var(--ink); cursor: pointer; }

/* ---------- hero ---------- */
.hero{
  position: relative; overflow: hidden;
  padding: clamp(7.5rem, 13vh, 10rem) 0 clamp(2.5rem, 5vw, 4rem);
  background-image: var(--grad-radial);
  text-align: center;
}
/* orbe cyan difuso (assinatura Xscreen) */
.hero__bg{
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(6,182,212,.18); filter: blur(80px); pointer-events: none; z-index: 1;
}
/* fade para o preto no rodapé do hero */
.hero__scrim{
  position: absolute; inset-inline: 0; bottom: 0; height: 160px; z-index: 2;
  background: linear-gradient(to top, var(--bg-deep), transparent); pointer-events: none;
}
.hero__grid{
  position: absolute; inset: 0; z-index: 0; opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 55% at 50% 25%, #000, transparent 85%);
  pointer-events: none;
}
.hero__inner{ position: relative; z-index: 3; max-width: 1000px; margin-inline: auto; }

.tag{
  display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .85rem;
  border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.75); backdrop-filter: blur(8px); margin-bottom: 1.5rem;
  font-size: .78rem;
}
.tag .dot{ width: 6px; height: 6px; border-radius: 50%; background: #10b981; animation: badge-blink 2.5s ease-in-out infinite; }
@keyframes badge-blink{
  0%,100%{ opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,.6); }
  50%    { opacity: .35; box-shadow: 0 0 10px 2px rgba(16,185,129,.55); }
}

.hero h1{
  font-size: clamp(2.4rem, 1.3rem + 4.6vw, 4.4rem);
  font-weight: 600; letter-spacing: -.03em; line-height: 1.08;
  filter: var(--glow);
}
.hero h1 em{ font-style: normal; color: var(--ink); }
.hero h1 .stroke{
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .h1-kicker{
  display: block; font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(.66rem, .58rem + .3vw, .78rem); letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted-2); margin-bottom: 1.1rem; line-height: 1.4;
  filter: none;
}
.hero__sub{
  font-size: clamp(1.05rem, 1rem + .45vw, 1.25rem); color: var(--muted);
  max-width: 44rem; margin: 1.6rem auto 0; line-height: 1.6; font-weight: 300;
}
.hero__cta{ display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-top: 2.2rem; }
.hero__trust{
  display: flex; flex-wrap: wrap; gap: 1.2rem 1.6rem; justify-content: center;
  margin-top: 2.4rem; color: var(--muted-2); font-size: .82rem; font-weight: 500;
}
.hero__trust span{ display: inline-flex; align-items: center; gap: .45rem; }
.hero__trust svg{ width: 14px; height: 14px; color: var(--primary); }

/* imagem do hero (substitui o vídeo de fundo) */
.hero__shot{
  position: relative; z-index: 3; margin: clamp(2.5rem,5vw,4rem) auto 0;
  max-width: 980px; border-radius: var(--r-xl); overflow: hidden;
  background: linear-gradient(45deg, rgba(255,255,255,.16), rgba(255,255,255,.26));
  border-top: .75px solid rgba(255,255,255,.55);
  border-left: .75px solid rgba(255,255,255,.55);
  box-shadow: 0 40px 120px -40px rgba(0,60,110,.7);
  padding: 7px;
}
.hero__shot img{ width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; border-radius: calc(var(--r-xl) - 10px); display: block; }
@supports (corner-shape: squircle){ .hero__shot img{ corner-shape: squircle; } }

.scroll-cue{
  position: absolute; left: 50%; bottom: 1.2rem; transform: translateX(-50%);
  display: none; z-index: 3; color: var(--muted-2);
}

/* ---------- marquee ---------- */
.marquee{
  overflow: hidden; border-block: 1px solid var(--line-soft);
  background: var(--bg-deep); padding-block: .9rem;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track{ display: flex; gap: 2.5rem; width: max-content; animation: marquee 38s linear infinite; }
.marquee__track span{
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted-2); white-space: nowrap;
  display: inline-flex; align-items: center; gap: 2.5rem;
}
.marquee__track span::after{ content: "•"; color: var(--primary); opacity: .6; }
@keyframes marquee{ to{ transform: translateX(-50%); } }

/* ---------- cabeçalhos de seção ---------- */
.head{ max-width: 44rem; margin-bottom: clamp(2.2rem, 4vw, 3.4rem); }
.head .kick{ display: block; color: var(--primary); margin-bottom: .9rem; }
.head h2{ font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem); letter-spacing: -.03em; }
.head p{ color: var(--muted); margin-top: 1rem; font-size: 1.05rem; font-weight: 300; }

/* ---------- stats ---------- */
.stats{
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px; background: var(--line-soft);
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
}
@supports (corner-shape: squircle){ .stats{ corner-shape: squircle; } }
.stat{ background: var(--bg); padding: clamp(1.4rem, 3vw, 2.2rem); }
.stat .num{
  font-size: clamp(2.1rem, 1.4rem + 2vw, 3rem); font-weight: 600; letter-spacing: -.04em;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl{ color: var(--muted-2); font-size: .85rem; margin-top: .6rem; line-height: 1.45; }

/* ---------- robôs ---------- */
.robot{
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.8rem, 4vw, 3.5rem);
  align-items: center; padding-block: clamp(2rem, 4vw, 3.5rem);
}
.robot.reverse .robot__media{ order: 2; }
.robot__media{ border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); }
.robot__copy h3{ font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); }
.robot__copy h3 small{
  display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--primary); margin-bottom: .7rem; font-weight: 500;
}
.robot__copy p{ color: var(--muted); margin-top: 1rem; font-weight: 300; }
.specs{ display: grid; grid-template-columns: repeat(auto-fit, minmax(130px,1fr)); gap: 1px; margin-top: 1.6rem; background: var(--line-soft); border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; }
.specs > div{ background: var(--bg); padding: .85rem 1rem; }
.specs dt{ font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }
.specs dd{ font-weight: 600; margin-top: .25rem; font-size: .95rem; }
.robot__tags{ display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.chip{
  padding: .38rem .8rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); font-size: .78rem; color: var(--muted); font-weight: 500;
}
.robot__more{ margin-top: 1.4rem; }
.robot__more a{ color: var(--primary-2); font-weight: 500; font-size: .95rem; }
.robot__more a:hover{ text-decoration: underline; }

/* ---------- vídeos ---------- */
.filters{ display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.8rem; }
.filters button{
  padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted); font: inherit; font-size: .85rem; font-weight: 500;
  cursor: pointer; transition: .2s;
}
.filters button:hover{ color: var(--ink); border-color: var(--line-2); }
.filters button.active{ background: #fff; color: #000; border-color: #fff; }
.gallery{ display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 1rem; grid-auto-flow: dense; }
.vid{
  position: relative; border-radius: var(--r-md); overflow: hidden; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg-deep); aspect-ratio: 16/9;
  transition: transform .35s var(--ease), border-color .25s;
}
.vid:hover{ transform: translateY(-3px); border-color: var(--line-2); }
.vid img{ width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: opacity .3s, transform .5s var(--ease); }
.vid:hover img{ opacity: 1; transform: scale(1.03); }
.vid__cat{ position: absolute; top: .7rem; left: .7rem; z-index: 2; }
.vid__cat span{
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .3rem .6rem; border-radius: 999px; background: rgba(0,9,16,.75); backdrop-filter: blur(8px);
  border: 1px solid var(--line); color: var(--ink);
}
.vid__play{ position: absolute; inset: 0; display: grid; place-items: center; z-index: 2; }
.vid__play span{
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.92); color: #000; transition: transform .3s var(--ease);
}
.vid:hover .vid__play span{ transform: scale(1.1); }
.vid__play svg{ width: 18px; height: 18px; margin-left: 2px; }
.vid__meta{
  position: absolute; inset: auto 0 0 0; z-index: 2; padding: 1.6rem .8rem .7rem;
  background: linear-gradient(to top, rgba(0,5,8,.9), transparent);
}
.vid__meta .t{ font-size: .85rem; font-weight: 500; }

/* ---------- casos ---------- */
.cases{ display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1rem; }
.case{
  padding: clamp(1.4rem,2.5vw,1.9rem); border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--surface); transition: .3s var(--ease);
}
.case:hover{ border-color: var(--line-2); background: var(--surface-2); transform: translateY(-3px); }
.case__ico{
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(0,156,242,.12); color: var(--primary-2); border: 1px solid rgba(0,156,242,.25); margin-bottom: 1.1rem;
}
.case__ico svg{ width: 20px; height: 20px; }
.case h4{ font-size: 1.05rem; }
.case p{ color: var(--muted); font-size: .92rem; margin-top: .6rem; font-weight: 300; }

/* ---------- oferta ---------- */
.offer{ display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem,3vw,2.5rem); align-items: start; }
.stack{ border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); padding: clamp(1.4rem,3vw,2.2rem); }
.stack h3{ font-size: 1.3rem; margin-bottom: 1.4rem; }
.stack ul{ list-style: none; display: grid; gap: .1rem; }
.stack li{
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .85rem 0; border-bottom: 1px solid var(--line-soft);
}
.stack .it{ display: flex; align-items: flex-start; gap: .7rem; }
.stack .it > svg{ width: 16px; height: 16px; color: var(--primary); flex: none; margin-top: .25rem; }
.stack .it b{ display: block; font-size: .95rem; font-weight: 500; }
.stack .it small{ display: block; color: var(--muted-2); font-size: .82rem; margin-top: .15rem; }
.stack .val{ font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--primary-2); white-space: nowrap; }
.total{ display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between; align-items: center; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.total .lbl{ color: var(--muted); font-size: .9rem; }
.total .anchor{ color: var(--muted-2); text-decoration: line-through; font-size: .85rem; }
.total .real{ font-weight: 600; color: var(--ink); }
.offer__aside{ border: 1px solid var(--line); border-radius: var(--r-lg); background: linear-gradient(180deg, rgba(0,156,242,.08), transparent 60%); padding: clamp(1.4rem,3vw,2.2rem); }
.offer__aside h3{ font-size: 1.25rem; }
.offer__aside p{ color: var(--muted); margin-top: 1rem; font-weight: 300; font-size: .95rem; }
.offer__aside .btn{ margin-top: 1.6rem; width: 100%; }
.offer__aside a[href^="/"]{ color: var(--primary-2); }

/* ---------- passos ---------- */
.steps{ display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1rem; counter-reset: s; }
.step{
  padding: clamp(1.4rem,2.5vw,1.9rem); border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--surface); counter-increment: s; position: relative;
}
.step::before{
  content: counter(s, decimal-leading-zero);
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em;
  color: var(--primary); display: block; margin-bottom: .9rem;
}
.step h4{ font-size: 1.05rem; }
.step p{ color: var(--muted); font-size: .92rem; margin-top: .6rem; font-weight: 300; }

/* ---------- garantia ---------- */
.guarantee{
  display: grid; grid-template-columns: auto 1fr; gap: clamp(1.4rem,3vw,2.5rem); align-items: center;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(0,156,242,.1), transparent 55%);
  padding: clamp(1.6rem,3.5vw,2.6rem);
}
.guarantee__seal{
  width: 132px; height: 132px; border-radius: 50%; display: grid; place-items: center; text-align: center;
  border: 1px solid rgba(0,156,242,.35); background: rgba(0,156,242,.08);
  box-shadow: 0 0 60px -18px rgba(0,156,242,.6);
}
.guarantee__seal span{ display: block; font-size: 1.7rem; font-weight: 600; letter-spacing: -.03em; }
.guarantee__seal small{ display: block; font-family: var(--font-mono); font-size: .55rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: .25rem; }
.guarantee h3{ font-size: clamp(1.3rem,1rem + 1.2vw,1.9rem); }
.guarantee p{ color: var(--muted); margin-top: 1rem; font-weight: 300; }

/* ---------- FAQ ---------- */
.faq{ display: grid; gap: .6rem; max-width: 60rem; }
.faq details{
  border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface);
  overflow: hidden; transition: border-color .25s, background .25s;
}
.faq details[open]{ border-color: var(--line-2); background: var(--surface-2); }
.faq summary{
  cursor: pointer; list-style: none; padding: 1.05rem 1.3rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-weight: 500; font-size: 1rem;
}
.faq summary::-webkit-details-marker{ display: none; }
.faq .ic{
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; flex: none;
  border: 1px solid var(--line); color: var(--muted); transition: transform .3s var(--ease), color .2s;
}
.faq details[open] .ic{ transform: rotate(45deg); color: var(--primary-2); }
.faq .ans{ padding: 0 1.3rem 1.25rem; color: var(--muted); font-size: .95rem; font-weight: 300; line-height: 1.65; }
.faq .ans a{ color: var(--primary-2); text-decoration: underline; text-underline-offset: 2px; }
.faq.compact summary{ padding: .85rem 1.1rem; font-size: .95rem; }

/* ---------- CTA final ---------- */
.final{ position: relative; overflow: hidden; text-align: center; background: var(--bg-deep); }
.final__bg{
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(60% 90% at 50% 100%, rgba(0,156,242,.18), transparent 70%);
}
.final .wrap{ position: relative; z-index: 1; }
.final h2{ font-size: clamp(2rem, 1.3rem + 2.6vw, 3.2rem); letter-spacing: -.03em; filter: var(--glow); }
.final p{ color: var(--muted); margin: 1.1rem auto 0; max-width: 40rem; font-weight: 300; }
.final__cta{ margin-top: 2rem; display: flex; justify-content: center; }
.final__note{ display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.4rem; color: var(--muted-2); font-size: .82rem; }
.final__note .dot{ width: 6px; height: 6px; border-radius: 50%; background: #10b981; }

/* ---------- rodapé ---------- */
footer{ border-top: 1px solid var(--line-soft); padding-block: clamp(2.5rem,5vw,4rem) 2rem; background: var(--bg-deep); }
.foot{ display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: clamp(1.6rem,3vw,2.4rem); }
.foot p{ color: var(--muted-2); font-size: .88rem; margin-top: 1rem; max-width: 34ch; font-weight: 300; }
.foot h5{ font-family: var(--font-mono); font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 1rem; font-weight: 500; }
.foot > div > a{ display: block; color: var(--muted); font-size: .9rem; padding-block: .3rem; transition: color .2s; }
.foot > div > a:hover{ color: var(--ink); }
.foot__bottom{
  display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between;
  margin-top: clamp(2rem,4vw,3rem); padding-top: 1.5rem; border-top: 1px solid var(--line-soft);
  color: var(--muted-2); font-size: .8rem;
}
.foot__bottom a{ color: var(--muted); }
.foot__bottom a:hover{ color: var(--ink); }

/* ---------- whatsapp flutuante ---------- */
.wa-float{
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: var(--z-float);
  display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.15rem;
  border-radius: 999px; background: var(--wa); color: var(--ink-on-wa); font-weight: 600; font-size: .9rem;
  box-shadow: 0 18px 44px -14px rgba(37,211,102,.6);
  opacity: 0; visibility: hidden; transform: translateY(14px); transition: .4s var(--ease);
}
.wa-float.show{ opacity: 1; visibility: visible; transform: none; }
.wa-float svg{ width: 20px; height: 20px; }

/* ---------- lightbox ---------- */
.lightbox{
  border: 0; padding: 0; background: rgba(0,5,8,.94); backdrop-filter: blur(10px);
  width: 100%; height: 100%; max-width: 100%; max-height: 100%; z-index: var(--z-modal);
}
.lightbox::backdrop{ background: rgba(0,5,8,.9); }
.lightbox .box{ position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); width: min(92vw, 1100px); aspect-ratio: 16/9; }
.lightbox .box iframe{ width: 100%; height: 100%; border: 0; border-radius: var(--r-md); }
.lightbox .close{
  position: absolute; top: 1rem; right: 1rem; background: rgba(255,255,255,.1); color: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: .5rem 1rem; cursor: pointer;
  font: inherit; font-size: .82rem;
}

/* ---------- reveal ---------- */
/* conteúdo visível por padrão; só some quando o JS confirma que vai animar
   (sem isso, qualquer render sem JS entrega a página inteira em opacity:0) */
.js .reveal{ opacity: 0; transform: translateY(20px) scale(.98); filter: blur(8px); }
.reveal.in{
  opacity: 1; transform: none; filter: blur(0);
  transition: opacity .8s var(--ease), transform .8s var(--ease), filter .8s var(--ease);
}
.reveal[data-d="1"].in{ transition-delay: .1s; }
.reveal[data-d="2"].in{ transition-delay: .2s; }
.reveal[data-d="3"].in{ transition-delay: .3s; }
@media (prefers-reduced-motion: reduce){
  .js .reveal, .reveal{ opacity: 1; transform: none; filter: none; }
  .marquee__track{ animation: none; }
  html{ scroll-behavior: auto; }
}

/* ===== páginas internas / artigos ===== */
.page-hero{
  padding: clamp(7rem,12vh,9rem) 0 clamp(2.2rem,4vw,3.5rem);
  background-image: var(--grad-radial); position: relative; overflow: hidden;
}
.page-hero::after{
  content:""; position: absolute; inset-inline: 0; bottom: 0; height: 120px;
  background: linear-gradient(to top, var(--bg), transparent); pointer-events: none;
}
.page-hero .wrap{ position: relative; z-index: 2; }
.crumbs{
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-2); margin-bottom: 1.1rem; display: flex; gap: .6rem; flex-wrap: wrap;
}
.crumbs a:hover{ color: var(--ink); }
.page-hero h1{ font-size: clamp(2rem,1.3rem + 2.8vw,3.4rem); line-height: 1.08; letter-spacing: -.03em; max-width: 24ch; filter: var(--glow); }
.page-hero h1 em{ font-style: normal; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero .lead{ color: var(--muted); font-size: clamp(1rem,.95rem + .4vw,1.15rem); line-height: 1.6; max-width: 62ch; margin-top: 1.2rem; font-weight: 300; }
.page-hero .hero__cta{ margin-top: 1.6rem; justify-content: flex-start; }

.article{ display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: clamp(1.8rem,4vw,3.5rem); align-items: start; padding: clamp(2.5rem,5vw,4.5rem) 0; }
.prose{ max-width: 72ch; font-size: 1.02rem; line-height: 1.72; color: var(--ink-2); font-weight: 300; }
.prose h2{ font-size: clamp(1.4rem,1.1rem + 1.1vw,1.9rem); margin: 2.6rem 0 .9rem; scroll-margin-top: 90px; color: var(--ink); }
.prose h2:first-child{ margin-top: 0; }
.prose h3{ font-size: 1.15rem; margin: 1.9rem 0 .6rem; color: var(--ink); }
.prose p{ margin-bottom: 1rem; }
.prose ul,.prose ol{ margin: 0 0 1.2rem 1.2rem; display: grid; gap: .5rem; }
.prose li::marker{ color: var(--primary); }
.prose a{ color: var(--primary-2); text-decoration: underline; text-underline-offset: 2px; }
.prose img{ border-radius: var(--r-md); border: 1px solid var(--line); margin: 1.5rem 0; }
.prose blockquote{
  border-left: 2px solid var(--primary); padding: .3rem 0 .3rem 1.1rem; margin: 1.5rem 0;
  color: var(--muted); font-style: normal;
}
.prose table{ width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .93rem; display: block; overflow-x: auto; }
.prose th,.prose td{ text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line-soft); }
.prose th{ font-family: var(--font-mono); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); font-weight: 500; }
.prose td{ color: var(--muted); }
.prose td strong{ color: var(--ink); }
/* cápsula de resposta — bloco extraível por IA */
.prose .answer{
  border: 1px solid rgba(0,156,242,.28); background: rgba(0,156,242,.07);
  border-radius: var(--r-md); padding: 1.1rem 1.3rem; margin: 1.1rem 0 1.6rem; color: var(--ink-2);
}
@supports (corner-shape: squircle){ .prose .answer{ corner-shape: squircle; } }
.prose .answer p:last-child{ margin-bottom: 0; }
.prose .answer strong:first-child{ color: var(--primary-2); }
.prose .key{ display: grid; gap: .5rem; margin: 1.2rem 0 1.6rem; padding: 0; list-style: none; }
.prose .key li{ display: flex; gap: .6rem; align-items: flex-start; color: var(--muted); }
.prose .key li::before{ content: "→"; color: var(--primary); flex: none; }

.side{ display: grid; gap: 1rem; position: sticky; top: 88px; }
.card{ border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); padding: 1.3rem; }
.card h4{ font-size: .95rem; margin-bottom: .8rem; }
.card p{ color: var(--muted); font-size: .88rem; font-weight: 300; line-height: 1.6; }
.card img{ border-radius: var(--r-sm); margin-bottom: .9rem; border: 1px solid var(--line); }
.card .btn{ width: 100%; margin-top: 1rem; }
.card.toc a,.card.links a{ display: block; color: var(--muted); font-size: .87rem; padding-block: .32rem; border-bottom: 1px solid var(--line-soft); transition: color .2s; }
.card.toc a:last-child,.card.links a:last-child{ border-bottom: 0; }
.card.toc a:hover,.card.links a:hover{ color: var(--primary-2); }

/* ===== blog ===== */
.posts{ display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 1rem; }
.post-card{
  border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .7rem; transition: .3s var(--ease);
}
@supports (corner-shape: squircle){ .post-card{ corner-shape: squircle; } }
.post-card:hover{ border-color: var(--line-2); background: var(--surface-2); transform: translateY(-3px); }
.post-card .meta{ font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--primary); }
.post-card h3{ font-size: 1.08rem; line-height: 1.3; }
.post-card p{ color: var(--muted); font-size: .9rem; font-weight: 300; line-height: 1.55; }
.post-card .more{ margin-top: auto; padding-top: .6rem; color: var(--primary-2); font-size: .85rem; font-weight: 500; }
.post-meta{ display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; color: var(--muted-2); font-size: .82rem; margin-top: 1.2rem; }
.post-meta span{ display: inline-flex; align-items: center; gap: .4rem; }

/* ---------- responsivo ---------- */
@media (max-width: 980px){
  .robot{ grid-template-columns: 1fr; }
  .robot.reverse .robot__media{ order: 0; }
  .offer{ grid-template-columns: 1fr; }
  .article{ grid-template-columns: 1fr; }
  .side{ position: static; }
  .foot{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px){
  .nav__links{
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: rgba(0,9,16,.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line); padding: .5rem 1.1rem 1.2rem;
    transform: translateY(-140%); transition: transform .4s var(--ease); z-index: -1;
  }
  .nav__links.open{ transform: none; }
  .nav__links a{ padding: .85rem 0; border-bottom: 1px solid var(--line-soft); font-size: 1rem; }
  .nav__burger{ display: inline-grid; place-items: center; }
  .hide-sm{ display: none; }
  .guarantee{ grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .foot{ grid-template-columns: 1fr; }
  .hero{ padding-top: clamp(6rem,16vh,8rem); }
  .stack li{ flex-direction: column; align-items: flex-start; gap: .4rem; }
}

/* galeria: destaque e filtro */
.gallery .vid.hidden{ display: none; }
.gallery .vid.feature{ grid-column: span 2; grid-row: span 2; aspect-ratio: auto; min-height: 100%; }
@media (max-width: 720px){ .gallery .vid.feature{ grid-column: span 1; grid-row: span 1; aspect-ratio: 16/9; } }

.hero__shot picture{ display: block; }
.hero__shot-cap{
  position: absolute; inset: auto 7px 7px 7px; z-index: 2;
  padding: 1.6rem 1.2rem .9rem; text-align: left;
  background: linear-gradient(to top, rgba(0,5,8,.92), rgba(0,5,8,.55) 55%, transparent);
  color: var(--muted); font-size: .85rem; font-weight: 300;
  border-bottom-left-radius: calc(var(--r-xl) - 10px); border-bottom-right-radius: calc(var(--r-xl) - 10px);
}
@media (max-width: 620px){ .hero__shot-cap{ display: none; } }

/* prose: figuras, caixas e nota */
.prose figure{ margin: 1.8rem 0; }
.prose figure img{ border-radius: var(--r-md); width: 100%; height: auto; display: block; margin: 0; }
.prose figcaption{ font-family: var(--font-mono); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); margin-top: .7rem; }
.prose .box{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.2rem 1.4rem; margin: 1.8rem 0; }
@supports (corner-shape: squircle){ .prose .box{ corner-shape: squircle; } }
.prose .box h3{ margin-top: 0; }
.prose .box p:last-child{ margin-bottom: 0; }
.prose .src{ font-size: .8rem; color: var(--muted-2); margin-top: -.6rem; margin-bottom: 1.4rem; }
.prose .src a{ color: var(--muted); }

/* hero shot em modo "produto": foto vertical/3:2 de um robô só, sem esticar */
.hero__shot--product{ max-width: 760px; border-radius: 40px; }
.hero__shot--product img{ aspect-ratio: 3/2; border-radius: 32px; }
@supports (corner-shape: squircle){ .hero__shot--product, .hero__shot--product img{ corner-shape: squircle; } }
.hero__shot--product .hero__shot-cap{ border-bottom-left-radius: 32px; border-bottom-right-radius: 32px; }