/* ============ Auranet · preto e branco ============ */

:root{
  --bg:#ffffff;
  --ink:#0a0a0a;
  --ink-2:#3d3d3d;
  --ink-3:#6b6b6b;
  --line:#e2e2e2;
  --line-2:#c9c9c9;
  --soft:#f6f6f6;
  --max:1180px;
  --pad:24px;
  --r:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--ink);color:var(--bg)}

:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--bg);padding:12px 20px;
}
.skip:focus{left:0}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:820px}

/* ---------- tipografia ---------- */
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.02em;font-weight:600}
h1{font-size:clamp(2.6rem,7vw,4.7rem);letter-spacing:-.04em}
h1 em{font-style:italic;font-weight:400}
h2{font-size:clamp(1.9rem,4vw,2.9rem);letter-spacing:-.03em}
h3{font-size:1.12rem}

.eyebrow{
  font-family:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:20px;
}

.lead{font-size:clamp(1rem,1.6vw,1.16rem);color:var(--ink-2);max-width:60ch}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:11px 22px;border:1px solid var(--ink);border-radius:var(--r);
  background:var(--ink);color:var(--bg);
  font-size:.88rem;font-weight:500;letter-spacing:.01em;cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.btn:hover{background:var(--bg);color:var(--ink);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--bg)}
.btn--lg{padding:15px 30px;font-size:.95rem}
.btn--block{width:100%}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease);
}
.nav.is-stuck{border-bottom-color:var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}

.brand{display:flex;align-items:center;gap:10px}
.brand__mark{
  width:16px;height:16px;flex:none;border:2px solid var(--ink);border-radius:50%;
  position:relative;
}
.brand__mark::after{
  content:"";position:absolute;inset:3px;background:var(--ink);border-radius:50%;
}
.brand__name{
  font-family:'IBM Plex Mono',monospace;font-weight:500;
  letter-spacing:.2em;font-size:.9rem;
}

.nav__links{display:flex;gap:28px}
.nav__links a{
  font-size:.88rem;color:var(--ink-2);position:relative;padding:4px 0;
  transition:color .2s var(--ease);
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink);
  transition:width .28s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}

.burger{
  display:none;width:40px;height:40px;background:none;border:1px solid var(--line);
  border-radius:var(--r);cursor:pointer;position:relative;
}
.burger span{
  position:absolute;left:11px;width:18px;height:1.5px;background:var(--ink);
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){top:22px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

@media (max-width:900px){
  .nav__cta{display:none}
  .burger{display:block}
  .nav__links{
    position:absolute;left:0;right:0;top:70px;
    flex-direction:column;gap:0;background:var(--bg);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s var(--ease);
  }
  .nav__links.is-open{max-height:420px}
  .nav__links a{padding:16px var(--pad);border-top:1px solid var(--line);font-size:.95rem}
  .nav__links a::after{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(80px,13vw,150px) 0 clamp(70px,10vw,110px);overflow:hidden}
.hero__in{position:relative;z-index:2}
.hero__grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(to right,var(--line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 65% at 70% 25%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 70% 25%,#000 0%,transparent 75%);
  opacity:.9;
}
.hero h1{margin-bottom:26px;max-width:16ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}

.hero__meta{
  list-style:none;display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;margin-top:64px;padding-top:32px;border-top:1px solid var(--line);
}
.hero__meta strong{
  display:block;font-size:clamp(1.6rem,3vw,2.1rem);font-weight:600;letter-spacing:-.03em;
  font-family:'IBM Plex Mono',monospace;
}
.hero__meta span{font-size:.83rem;color:var(--ink-3);display:block;margin-top:4px}
@media (max-width:700px){.hero__meta{grid-template-columns:1fr;gap:20px}}

/* ---------- ticker ---------- */
.ticker{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;padding:14px 0;background:var(--soft);
}
.ticker__track{
  display:flex;gap:26px;width:max-content;
  animation:slide 42s linear infinite;
  font-family:'IBM Plex Mono',monospace;font-size:.76rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;
}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker__track{animation:none}}

/* ---------- seções ---------- */
.sec{padding:clamp(72px,10vw,120px) 0}
.sec--invert{background:var(--ink);color:var(--bg)}
.sec--invert .eyebrow,.sec--invert .sec__sub{color:#a8a8a8}
.sec--rule{border-top:1px solid var(--line)}

.sec__head{max-width:64ch;margin-bottom:56px}
.sec__head--c{margin-inline:auto;text-align:center}
.sec__sub{margin-top:18px;color:var(--ink-2);font-size:1.02rem}

/* ---------- passos ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:34px 26px 34px 0;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:none;padding-right:0}
.step__n{
  font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.18em;
  color:var(--ink-3);display:block;margin-bottom:22px;
}
.step h3{margin-bottom:10px}
.step p{font-size:.92rem;color:var(--ink-2)}
@media (max-width:900px){
  .steps{grid-template-columns:1fr}
  .step{border-right:none;border-bottom:1px solid var(--line);padding:28px 0}
  .step:last-child{border-bottom:none}
}

/* ---------- colunas sim/não ---------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid #2c2c2c}
.col{padding:38px 34px}
.col:first-child{border-right:1px solid #2c2c2c}
.col__t{
  font-family:'IBM Plex Mono',monospace;font-size:.76rem;letter-spacing:.18em;
  text-transform:uppercase;font-weight:500;margin-bottom:26px;
  padding-bottom:14px;border-bottom:1px solid #2c2c2c;
}
.list{list-style:none;display:grid;gap:14px}
.list li{position:relative;padding-left:26px;font-size:.93rem;color:#d6d6d6}
.list li::before{
  content:"+";position:absolute;left:0;top:-1px;
  font-family:'IBM Plex Mono',monospace;color:var(--bg);
}
.list--no li{color:#8f8f8f}
.list--no li::before{content:"×"}
@media (max-width:800px){
  .cols{grid-template-columns:1fr}
  .col:first-child{border-right:none;border-bottom:1px solid #2c2c2c}
  .col{padding:30px 24px}
}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{
  background:var(--bg);padding:34px 30px;
  transition:background .3s var(--ease),transform .3s var(--ease);
}
.card:hover{background:var(--soft)}
.card__i{
  display:block;font-size:1.5rem;line-height:1;margin-bottom:22px;
  transition:transform .35s var(--ease);
}
.card:hover .card__i{transform:translateY(-3px)}
.card h3{margin-bottom:10px}
.card p{font-size:.92rem;color:var(--ink-2)}
@media (max-width:950px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.cards{grid-template-columns:1fr}}

/* ---------- legal ---------- */
.legal{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:start}
.legal__head{position:sticky;top:110px}
.terms{display:grid;gap:0}
.term{padding:26px 0;border-bottom:1px solid var(--line)}
.term:first-child{padding-top:0}
.term dt{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:10px;
}
.term dd{font-size:.94rem;color:var(--ink-2)}
@media (max-width:900px){
  .legal{grid-template-columns:1fr;gap:44px}
  .legal__head{position:static}
}

/* ---------- planos ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.plan{
  border:1px solid #2c2c2c;padding:34px 28px;position:relative;
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.plan:hover{border-color:#6a6a6a;transform:translateY(-3px)}
.plan--hi{background:var(--bg);color:var(--ink);border-color:var(--bg)}
.plan__tag{
  position:absolute;top:-1px;right:-1px;background:var(--ink);color:var(--bg);
  font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.16em;
  text-transform:uppercase;padding:6px 12px;
}
.plan h3{margin-bottom:18px}
.plan__p{font-size:2.5rem;font-weight:600;letter-spacing:-.04em;line-height:1;font-family:'IBM Plex Mono',monospace}
.plan__p span{font-size:1rem;font-weight:400;margin-right:4px;vertical-align:super}
.plan__p small{font-size:.82rem;font-weight:400;color:var(--ink-3);letter-spacing:0}
.plan--hi .plan__p small{color:var(--ink-3)}
.plan__p--txt{font-size:1.5rem}
.plan__d{font-size:.88rem;color:#9a9a9a;margin:14px 0 24px}
.plan--hi .plan__d{color:var(--ink-3)}
.plan ul{list-style:none;display:grid;gap:12px;margin-bottom:30px;
  padding-top:22px;border-top:1px solid #2c2c2c}
.plan--hi ul{border-top-color:var(--line)}
.plan li{font-size:.9rem;color:#d0d0d0;padding-left:20px;position:relative}
.plan--hi li{color:var(--ink-2)}
.plan li::before{content:"—";position:absolute;left:0;color:var(--ink-3)}
.plan .btn{border-color:var(--bg);background:var(--bg);color:var(--ink)}
.plan .btn--ghost{background:transparent;color:var(--bg)}
.plan .btn--ghost:hover{background:var(--bg);color:var(--ink)}
.plan--hi .btn{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.plan--hi .btn:hover{background:var(--bg);color:var(--ink)}
@media (max-width:900px){.plans{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 40px 22px 0;position:relative;
  font-size:1rem;font-weight:500;transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:20px;
  font-family:'IBM Plex Mono',monospace;font-size:1.2rem;font-weight:400;
  transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--ink-3)}
.faq p{padding:0 40px 24px 0;color:var(--ink-2);font-size:.94rem;max-width:70ch}

/* ---------- formulário ---------- */
.sec--cta{border-top:1px solid var(--line);background:var(--soft)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:grid;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:.82rem;color:var(--ink-2);font-weight:500}
.field input[type="text"],.field input[type="email"],.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r);
  background:var(--bg);color:var(--ink);font:inherit;font-size:.93rem;
  transition:border-color .2s var(--ease);
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.field.has-err input,.field.has-err select{border-color:var(--ink)}
.err{font-size:.76rem;color:var(--ink);min-height:0;font-family:'IBM Plex Mono',monospace}
.field.has-err .err::before{content:"↳ "}

.check{grid-template-columns:auto 1fr;align-items:start;gap:10px}
.check input{width:17px;height:17px;margin-top:3px;accent-color:var(--ink);flex:none}
.check label{font-size:.85rem;color:var(--ink-2);line-height:1.5}
.check .err{grid-column:1/-1}

.form__ok{
  margin-top:14px;text-align:center;font-size:.85rem;
  font-family:'IBM Plex Mono',monospace;color:var(--ink-2);
}
@media (max-width:700px){.form{grid-template-columns:1fr}}

/* ---------- rodapé ---------- */
.foot{background:var(--ink);color:var(--bg);padding:70px 0 0}
.foot__in{display:grid;grid-template-columns:1fr 2fr;gap:44px;padding-bottom:54px}
.foot__brand{display:flex;gap:12px;align-items:flex-start}
.foot__brand .brand__mark{border-color:var(--bg);margin-top:4px}
.foot__brand .brand__mark::after{background:var(--bg)}
.foot__brand p{font-family:'IBM Plex Mono',monospace;letter-spacing:.18em;font-size:.85rem;line-height:2}
.foot__brand small{letter-spacing:.02em;font-family:'Inter',sans-serif;color:#9a9a9a;font-size:.8rem}
.foot__nav{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.foot__nav h4{
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:#8a8a8a;margin-bottom:16px;font-weight:400;
}
.foot__nav a{display:block;font-size:.88rem;color:#d4d4d4;padding:5px 0;transition:color .2s var(--ease)}
.foot__nav a:hover{color:var(--bg)}
.foot__bar{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:22px;padding-bottom:26px;border-top:1px solid #2c2c2c;
  font-size:.78rem;color:#8a8a8a;
}
@media (max-width:800px){
  .foot__in{grid-template-columns:1fr;gap:36px}
  .foot__nav{grid-template-columns:1fr 1fr}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.plan:hover,.card:hover .card__i{transform:none}
}