/* =========================================================
   ATO AUTOMAÇÃO INDUSTRIAL — Sistema visual
   Tokens → Base → Layout → Componentes → Seções → Responsivo
   ========================================================= */

:root{
  /* Cor */
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --ink-700:#101A2C;
  --ink-600:#16243C;
  --ink-500:#1E3050;

  --blue-600:#0F63BE;
  --blue-500:#1B7FE0;
  --blue-400:#2F9BFF;
  --blue-100:#BFDBFA;

  --paper:#F2F4F8;
  --paper-2:#FFFFFF;

  --text-on-dark:#E9EEF6;
  --muted-on-dark:#8FA1BC;
  --text-on-light:#0B1220;
  --muted-on-light:#57657B;

  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(11,18,32,.12);

  /* Tipografia */
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* Escala */
  --step--1:clamp(.78rem,.76rem + .1vw,.85rem);
  --step-0:clamp(.98rem,.95rem + .15vw,1.06rem);
  --step-1:clamp(1.12rem,1.05rem + .35vw,1.3rem);
  --step-2:clamp(1.35rem,1.2rem + .7vw,1.75rem);
  --step-3:clamp(1.7rem,1.4rem + 1.4vw,2.5rem);
  --step-4:clamp(2.1rem,1.6rem + 2.4vw,3.6rem);
  --step-5:clamp(2.5rem,1.7rem + 3.6vw,4.6rem);

  /* Espaço */
  --gutter:clamp(1.15rem,4vw,2.5rem);
  --wrap:1200px;
  --wrap-narrow:840px;
  --section-y:clamp(3.5rem,8vw,7rem);
  --radius:4px;
  --radius-lg:8px;

  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--body);
  font-size:var(--step-0);
  line-height:1.65;
  color:var(--text-on-dark);
  background:var(--ink-800);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  letter-spacing:-.02em;
  line-height:1.08;
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{font-size:var(--step-5)}
h2{font-size:var(--step-4)}
h3{font-size:var(--step-2)}
h4{font-size:var(--step-1);letter-spacing:-.01em}
p{margin:0 0 1.1em;text-wrap:pretty}
p:last-child{margin-bottom:0}
ul{margin:0 0 1.1em;padding-left:1.1em}
li{margin-bottom:.35em}
strong{font-weight:600}

:focus-visible{
  outline:2px solid var(--blue-400);
  outline-offset:3px;
  border-radius:2px;
}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--blue-500);color:#fff;padding:.75rem 1.15rem;font-weight:600;
}
.skip:focus{left:.5rem;top:.5rem}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:var(--wrap-narrow)}
.section{padding-block:var(--section-y);position:relative}
.section--tight{padding-block:clamp(2.5rem,5vw,4rem)}

.bg-dark{background:var(--ink-800);color:var(--text-on-dark)}
.bg-deep{background:var(--ink-900);color:var(--text-on-dark)}
.bg-panel{background:var(--ink-700);color:var(--text-on-dark)}
.bg-light{background:var(--paper);color:var(--text-on-light)}
.bg-white{background:var(--paper-2);color:var(--text-on-light)}
.bg-light p,.bg-white p{color:#3A465A}
.bg-light .muted,.bg-white .muted{color:var(--muted-on-light)}
.muted{color:var(--muted-on-dark)}

.grid{display:grid;gap:clamp(1rem,2.2vw,1.6rem)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.6rem,4vw,4rem);align-items:start}
.split--lead{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}

/* ---------- Tipografia utilitária ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:var(--step--1);
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--blue-400);
  display:flex;align-items:center;gap:.7rem;
  margin:0 0 1.1rem;
}
.eyebrow::before{
  content:"";width:24px;height:1px;background:var(--blue-500);flex:none;
}
.bg-light .eyebrow,.bg-white .eyebrow{color:var(--blue-600)}
.lead{font-size:var(--step-1);line-height:1.55;color:var(--muted-on-dark)}
.bg-light .lead,.bg-white .lead{color:var(--muted-on-light)}
.hl{color:var(--blue-400)}
.bg-light .hl,.bg-white .hl{color:var(--blue-600)}
.mono{font-family:var(--mono);font-size:var(--step--1);letter-spacing:.08em}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.85rem 1.5rem;
  font-family:var(--body);font-weight:600;font-size:var(--step-0);
  border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  line-height:1.2;text-align:center;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--blue-500);color:#fff}
.btn--primary:hover{background:var(--blue-400)}
.btn--ghost{border-color:var(--line-dark);color:var(--text-on-dark);background:transparent}
.btn--ghost:hover{border-color:var(--blue-400);color:#fff}
.bg-light .btn--ghost,.bg-white .btn--ghost{border-color:var(--line-light);color:var(--text-on-light)}
.bg-light .btn--ghost:hover,.bg-white .btn--ghost:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn--sm{padding:.6rem 1.05rem;font-size:var(--step--1)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.8rem}

.link-arrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-weight:600;color:var(--blue-400);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:gap .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:currentColor}
.link-arrow:hover::after{transform:translateX(3px)}
.bg-light .link-arrow,.bg-white .link-arrow{color:var(--blue-600)}

/* ---------- Cabeçalho ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,18,32,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.header.is-scrolled{background:rgba(7,12,22,.94)}
.header .wrap{max-width:1420px}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:.75rem;flex:none;margin-right:1rem}
.brand img{height:26px;width:auto}
.brand__tag{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-on-dark);line-height:1.35;white-space:nowrap;
  border-left:1px solid var(--line-dark);padding-left:.75rem;
}
.nav{display:flex;align-items:center;gap:.15rem}
.nav a{
  font-size:.86rem;font-weight:500;letter-spacing:.01em;
  padding:.55rem .55rem;border-radius:var(--radius);
  color:var(--muted-on-dark);transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{
  content:"";display:block;height:2px;background:var(--blue-500);margin-top:4px;border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:.5rem;flex:none}
.burger{
  display:none;background:none;border:1px solid var(--line-dark);border-radius:var(--radius);
  width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:1.5px;background:currentColor;position:relative;transition:.25s var(--ease)}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor;transition:.25s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

.mobile-nav{
  display:none;border-top:1px solid var(--line-dark);background:var(--ink-900);
}
.mobile-nav.is-open{display:block}
.mobile-nav a{
  display:block;padding:.95rem 0;border-bottom:1px solid var(--line-dark);
  font-weight:500;color:var(--text-on-dark);
}
.mobile-nav .btn-row{margin:1.25rem 0 1.75rem}
.mobile-nav .btn{flex:1}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(90% 60% at 82% 12%, rgba(27,127,224,.16), transparent 60%),
    linear-gradient(180deg,var(--ink-900),var(--ink-800) 70%);
  padding-block:clamp(3.5rem,9vw,7.5rem) clamp(3rem,7vw,6rem);
  border-bottom:1px solid var(--line-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 70% at 60% 30%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(70% 70% at 60% 30%,#000,transparent 75%);
}
.hero .wrap{position:relative}
.hero h1{max-width:16ch}
.hero__quote{
  font-family:var(--display);font-weight:600;
  font-size:var(--step-5);line-height:1.02;letter-spacing:-.035em;
  max-width:15ch;margin:0 0 1.5rem;
}
.hero__quote em{font-style:normal;color:var(--blue-400);display:block}
.hero__lead{max-width:52ch;font-size:var(--step-1);color:var(--muted-on-dark)}
.hero__meta{
  margin-top:clamp(2.5rem,6vw,4rem);padding-top:1.5rem;border-top:1px solid var(--line-dark);
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;
}
.hero__meta div{font-family:var(--mono);font-size:var(--step--1);letter-spacing:.06em;color:var(--muted-on-dark)}
.hero__meta b{display:block;font-family:var(--body);font-weight:600;font-size:var(--step-0);color:var(--text-on-dark);letter-spacing:0;margin-bottom:.15rem}

.page-hero{
  background:linear-gradient(180deg,var(--ink-900),var(--ink-800));
  border-bottom:1px solid var(--line-dark);
  padding-block:clamp(3rem,7vw,5.5rem) clamp(2.5rem,5vw,4rem);
}
.page-hero h1{font-size:var(--step-4);max-width:20ch}
.page-hero .lead{max-width:60ch}

/* ---------- Cards ---------- */
.card{
  background:var(--ink-700);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
  padding:clamp(1.3rem,2.4vw,2rem);
  position:relative;
  transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.card:hover{border-color:rgba(47,155,255,.45);transform:translateY(-2px)}
.card h3{font-size:var(--step-1);margin-bottom:.5rem}
.card p{color:var(--muted-on-dark);font-size:.96rem;margin-bottom:0}
.card__num{
  font-family:var(--mono);font-size:var(--step--1);color:var(--blue-400);
  letter-spacing:.14em;display:block;margin-bottom:1rem;
}
.card ul{margin-top:.9rem;padding-left:0;list-style:none}
.card ul li{
  position:relative;padding-left:1.1rem;font-size:.92rem;color:var(--muted-on-dark);
}
.card ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--blue-500)}
.bg-light .card,.bg-white .card{background:#fff;border-color:var(--line-light)}
.bg-light .card p,.bg-white .card p,.bg-light .card ul li,.bg-white .card ul li{color:var(--muted-on-light)}
.bg-light .card:hover,.bg-white .card:hover{border-color:var(--blue-500)}
.bg-light .card{background:#fff;box-shadow:0 1px 2px rgba(11,18,32,.04)}

.icon{width:26px;height:26px;stroke:var(--blue-400);fill:none;stroke-width:1.4;margin-bottom:1rem}
.bg-light .icon,.bg-white .icon{stroke:var(--blue-600)}

/* ---------- Faixa de destaque / citação ---------- */
.statement{
  border-left:3px solid var(--blue-500);
  padding:clamp(1.2rem,3vw,2rem) clamp(1.2rem,3vw,2.5rem);
  background:linear-gradient(90deg,rgba(27,127,224,.10),transparent 70%);
}
.statement p{
  font-family:var(--display);font-weight:500;letter-spacing:-.02em;
  font-size:var(--step-2);line-height:1.25;margin:0;color:var(--text-on-dark);
}
.bg-light .statement p,.bg-white .statement p{color:var(--text-on-light)}

.pullquote{
  font-family:var(--display);font-weight:600;letter-spacing:-.03em;
  font-size:var(--step-3);line-height:1.15;max-width:22ch;margin:0;
}

/* ---------- Escada da Melhoria Contínua (assinatura) ---------- */
.stair{margin-top:clamp(2rem,5vw,3.5rem)}
.stair__rail{
  display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:100%;gap:6px;
  align-items:end;height:clamp(250px,26vw,340px);
  border-bottom:1px solid var(--line-dark);
  padding-bottom:0;
}
.stair__step{
  display:flex;flex-direction:column;justify-content:flex-end;gap:.6rem;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--line-dark);border-bottom:none;
  border-radius:var(--radius) var(--radius) 0 0;
  padding:1rem .85rem 1.1rem;
  text-align:left;cursor:pointer;width:100%;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  position:relative;
}
.stair__step:nth-child(1){height:34%}
.stair__step:nth-child(2){height:45%}
.stair__step:nth-child(3){height:56%}
.stair__step:nth-child(4){height:67%}
.stair__step:nth-child(5){height:78%}
.stair__step:nth-child(6){height:89%}
.stair__step:nth-child(7){height:100%}
.stair__step:hover{background:rgba(47,155,255,.10);border-color:rgba(47,155,255,.4)}
.stair__step[aria-selected="true"]{
  background:linear-gradient(180deg,rgba(47,155,255,.22),rgba(27,127,224,.06));
  border-color:var(--blue-400);
  box-shadow:0 -1px 0 0 var(--blue-400);
}
.stair__step .n{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--blue-400);
}
.stair__step .t{
  font-family:var(--display);font-weight:600;font-size:.92rem;line-height:1.15;letter-spacing:-.01em;
  color:var(--text-on-dark);
}
.stair__detail[hidden]{display:none}
.stair__detail{
  border:1px solid var(--line-dark);border-top:none;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  background:var(--ink-700);
  padding:clamp(1.4rem,3vw,2.2rem);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(1.2rem,3vw,2.5rem);
}
.stair__detail h3{margin-bottom:.65rem}
.stair__detail .n{font-family:var(--mono);font-size:var(--step--1);letter-spacing:.16em;color:var(--blue-400);display:block;margin-bottom:.6rem}
.stair__detail ul{list-style:none;padding:0;margin:0}
.stair__detail ul li{position:relative;padding-left:1.15rem;color:var(--muted-on-dark);font-size:.95rem}
.stair__detail ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--blue-500)}
.stair__key{
  border-left:2px solid var(--blue-500);padding-left:1rem;margin-top:1.2rem;
}
.stair__key span{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-on-dark);display:block;margin-bottom:.35rem}
.stair__key p{font-family:var(--display);font-weight:500;font-size:var(--step-1);color:var(--text-on-dark);margin:0;letter-spacing:-.015em}

/* Escada — versão mobile / vertical */
.stair-list{display:none;border-top:1px solid var(--line-dark)}
.stair-list details{border-bottom:1px solid var(--line-dark)}
.stair-list summary{
  display:flex;align-items:baseline;gap:.85rem;padding:1.05rem 2rem 1.05rem 0;
  cursor:pointer;list-style:none;position:relative;
}
.stair-list summary::-webkit-details-marker{display:none}
.stair-list summary::after{
  content:"+";position:absolute;right:.2rem;top:1rem;font-family:var(--mono);color:var(--blue-400);font-size:1.1rem;
}
.stair-list details[open] summary::after{content:"–"}
.stair-list .n{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;color:var(--blue-400);flex:none}
.stair-list .t{font-family:var(--display);font-weight:600;font-size:1.02rem;letter-spacing:-.01em}
.stair-list .body{padding:0 0 1.4rem;color:var(--muted-on-dark);font-size:.95rem}
.stair-list .body ul{list-style:none;padding:0}
.stair-list .body ul li{position:relative;padding-left:1.1rem}
.stair-list .body ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--blue-500)}

/* Fluxo resumo */
.flow{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .75rem;
  font-family:var(--mono);font-size:var(--step--1);letter-spacing:.12em;text-transform:uppercase;
}
.flow span{padding:.45rem .8rem;border:1px solid var(--line-dark);border-radius:2px;color:var(--muted-on-dark)}
.flow span:last-child{color:var(--blue-400);border-color:rgba(47,155,255,.5)}
.flow i{font-style:normal;color:var(--blue-500)}
.bg-light .flow span,.bg-white .flow span{border-color:var(--line-light);color:var(--muted-on-light)}

/* ---------- Tabela / listas técnicas ---------- */
.spec{border-top:1px solid var(--line-dark)}
.spec__row{
  display:grid;grid-template-columns:minmax(0,.35fr) minmax(0,1fr);
  gap:1rem clamp(1rem,3vw,2.5rem);
  padding:1.15rem 0;border-bottom:1px solid var(--line-dark);
}
.spec__row dt{font-family:var(--mono);font-size:var(--step--1);letter-spacing:.1em;text-transform:uppercase;color:var(--blue-400)}
.spec__row dd{margin:0;color:var(--muted-on-dark)}
.bg-light .spec,.bg-white .spec,.bg-light .spec__row,.bg-white .spec__row{border-color:var(--line-light)}
.bg-light .spec__row dt,.bg-white .spec__row dt{color:var(--blue-600)}
.bg-light .spec__row dd,.bg-white .spec__row dd{color:var(--muted-on-light)}

.checklist{list-style:none;padding:0;margin:0;display:grid;gap:.65rem}
.checklist li{position:relative;padding-left:1.6rem;color:var(--muted-on-dark)}
.checklist li::before{
  content:"";position:absolute;left:0;top:.45em;width:9px;height:5px;
  border-left:1.5px solid var(--blue-400);border-bottom:1.5px solid var(--blue-400);
  transform:rotate(-45deg);
}
.bg-light .checklist li,.bg-white .checklist li{color:var(--muted-on-light)}
.bg-light .checklist li::before,.bg-white .checklist li::before{border-color:var(--blue-600)}

.crosslist{list-style:none;padding:0;margin:0;display:grid;gap:.65rem}
.crosslist li{position:relative;padding-left:1.6rem;color:var(--muted-on-dark)}
.crosslist li::before{content:"✕";position:absolute;left:0;color:#D8574B;font-size:.85em;top:.15em}
.bg-light .crosslist li,.bg-white .crosslist li{color:var(--muted-on-light)}

/* ---------- Case ---------- */
.case-figure{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);
  border:1px solid var(--line-dark);border-radius:var(--radius-lg);overflow:hidden;
}
.case-figure div{background:var(--ink-700);padding:clamp(1.2rem,3vw,1.8rem)}
.case-figure .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-on-dark);display:block;margin-bottom:.6rem}
.case-figure .v{font-family:var(--display);font-weight:600;font-size:var(--step-2);letter-spacing:-.02em;line-height:1.1}
.case-figure .v small{display:block;font-family:var(--body);font-weight:400;font-size:.8rem;color:var(--muted-on-dark);letter-spacing:0;margin-top:.4rem;line-height:1.4}
.case-figure .v.is-accent{color:var(--blue-400)}

/* ---------- Preços ---------- */
/* Cada .plan fixa sua própria cor de texto/borda (não herda da seção), pra nunca
   depender do fundo ao redor. Mensal = sólido escuro + letras claras.
   Anual (destaque) = sólido claro + letras escuras. Sem gradientes. */
.plan{
  border:1px solid var(--line-dark);border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3vw,2.2rem);background:var(--ink-700);
  color:var(--text-on-dark);
  display:flex;flex-direction:column;
}
.plan__tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-400);margin-bottom:1rem}
.plan__price{font-family:var(--display);font-weight:600;font-size:var(--step-3);letter-spacing:-.03em;line-height:1;color:var(--text-on-dark)}
.plan__price span{font-family:var(--body);font-size:.95rem;font-weight:400;color:var(--muted-on-dark);letter-spacing:0}
.plan .btn{width:100%;margin-top:auto}
.plan ul{margin:1.4rem 0 1.8rem}
.plan .checklist li{color:var(--muted-on-dark)}
.plan .checklist li::before{border-color:var(--blue-400)}
.plan .btn--ghost{border-color:var(--line-dark);color:var(--text-on-dark);background:transparent}
.plan .btn--ghost:hover{border-color:var(--blue-400);color:#fff;background:rgba(255,255,255,.05)}

.plan.is-featured{
  border-color:var(--blue-400);background:var(--paper-2);color:var(--text-on-light);
}
.plan.is-featured .plan__tag{color:var(--blue-600)}
.plan.is-featured .plan__price{color:var(--text-on-light)}
.plan.is-featured .plan__price span{color:var(--muted-on-light)}
.plan.is-featured .checklist li{color:var(--muted-on-light)}
.plan.is-featured .checklist li::before{border-color:var(--blue-600)}
.plan .btn--ghost:hover{border-color:var(--blue-400);color:#fff;background:rgba(255,255,255,.05)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line-light)}
.faq details{border-bottom:1px solid var(--line-light)}
.faq summary{
  display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem;
  padding:1.15rem 0;cursor:pointer;list-style:none;
  font-family:var(--display);font-weight:600;font-size:var(--step-1);letter-spacing:-.015em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--blue-600);flex:none;font-size:1.2rem;line-height:1.4}
.faq details[open] summary::after{content:"–"}
.faq .body{padding-bottom:1.4rem;color:var(--muted-on-light);max-width:70ch}

/* ---------- Formulário ---------- */
.form{display:grid;gap:1.1rem}
.field{display:grid;gap:.45rem}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-on-dark)}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;
  background:var(--ink-800);border:1px solid var(--line-dark);border-radius:var(--radius);
  color:var(--text-on-dark);font-family:var(--body);font-size:var(--step-0);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue-400);background:var(--ink-700);outline:none}
.field input::placeholder,.field textarea::placeholder{color:#5D6E88}
.field .hint{font-size:.8rem;color:var(--muted-on-dark)}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:#D8574B}
.field .error{font-size:.8rem;color:#F0938A;display:none}
.field.is-invalid .error{display:block}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form__status{
  padding:1rem 1.15rem;border:1px solid var(--line-dark);border-radius:var(--radius);
  background:var(--ink-700);font-size:.95rem;display:none;
}
.form__status.is-visible{display:block}
.form__status.is-ok{border-color:rgba(47,155,255,.5)}

/* ---------- Rodapé ---------- */
.footer{background:var(--ink-900);border-top:1px solid var(--line-dark);padding-block:clamp(2.5rem,6vw,4rem) 2rem}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:clamp(1.5rem,4vw,3rem)}
.footer h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-on-dark);font-weight:400;margin-bottom:1rem}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.footer a{color:var(--text-on-dark);font-size:.93rem;transition:color .2s var(--ease)}
.footer a:hover{color:var(--blue-400)}
.footer img{height:24px;margin-bottom:1.1rem}
.footer__note{color:var(--muted-on-dark);font-size:.9rem;max-width:38ch}
.footer__bottom{
  margin-top:clamp(2rem,5vw,3rem);padding-top:1.5rem;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--muted-on-dark);text-transform:uppercase;
}
.pending{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-on-dark);border:1px dashed var(--line-dark);border-radius:2px;
  padding:.2rem .5rem;display:inline-block;
}

/* ---------- CTA final ---------- */
.cta-band{
  border-top:1px solid var(--line-dark);
  background:radial-gradient(80% 100% at 20% 0%,rgba(27,127,224,.18),transparent 65%),var(--ink-800);
}
.cta-band h2{max-width:18ch}

/* ---------- Revelação ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsivo ---------- */
@media (max-width:1480px){
  .nav,.header__actions .btn{display:none}
  .burger{display:flex}
}
@media (max-width:520px){
  .brand__tag{display:none}
}
@media (max-width:920px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .split,.split--lead{grid-template-columns:1fr}
  .stair__rail{display:none}
  .stair__detail{display:none}
  .stair-list{display:block}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hero__meta{grid-template-columns:repeat(2,1fr)}
  .case-figure{grid-template-columns:1fr}
}
@media (max-width:640px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .spec__row{grid-template-columns:1fr;gap:.35rem}
  .footer__grid{grid-template-columns:1fr}
  .btn-row .btn{width:100%}
}