/* ===================================================================
   Pax Digital — presença que vende
   Dark, minimal, high-contrast. Bebas Neue headings / DM Sans body.
   =================================================================== */

:root{
  --bg:#080808;
  --text:#f5f4f0;
  --accent:#d63a2f;
  --accent-hover:#e8483c;
  --hairline:rgba(245,244,240,.12);
  --hairline-strong:rgba(245,244,240,.14);
  --muted-75:rgba(245,244,240,.75);
  --muted-65:rgba(245,244,240,.65);
  --muted-60:rgba(245,244,240,.6);
  --muted-55:rgba(245,244,240,.55);
  --muted-50:rgba(245,244,240,.5);
  --muted-45:rgba(245,244,240,.45);
  --muted-40:rgba(245,244,240,.4);
  --maxw:1280px;
  --pad:56px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'DM Sans',system-ui,sans-serif;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,video{max-width:100%;display:block}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
}

.accent{color:var(--accent)}
strong{color:var(--text);font-weight:400}

/* ---------- Typography helpers ---------- */
.eyebrow{
  font-size:12px;
  font-weight:500;
  letter-spacing:.28em;
  text-transform:uppercase;
  margin:0 0 20px;
}
.eyebrow--accent{color:var(--accent)}
.eyebrow--muted{color:var(--muted-50);margin-bottom:28px}

.section__title{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  font-size:64px;
  line-height:1;
  letter-spacing:.005em;
  margin:0 0 48px;
  max-width:760px;
}
.section__title--wide{max-width:860px;margin-bottom:16px}
.section__title--sm{font-size:52px;margin-bottom:24px}

.section__intro{
  margin:0 0 48px;
  font-size:18px;
  line-height:1.6;
  color:var(--muted-65);
  max-width:640px;
}
.section__closer{
  margin:44px 0 0;
  font-size:20px;
  line-height:1.6;
  color:var(--muted-75);
  max-width:640px;
}
.section__closer--sm{font-size:16px;margin-top:40px;color:var(--muted-60);max-width:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight:500;
  font-size:15px;
  letter-spacing:.04em;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{
  background:var(--accent);
  color:#fff;
  padding:18px 34px;
}
.btn--primary:hover{background:var(--accent-hover)}
.btn--lg{font-size:16px;padding:20px 44px}
.btn--ghost{
  color:var(--text);
  border:1px solid rgba(245,244,240,.25);
  padding:16px 30px;
}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- Nav ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--hairline);
  background:rgba(8,8,8,.7);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav__inner{
  max-width:var(--maxw);
  margin:0 auto;
  height:72px;
  padding:0 var(--pad);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
}
.logo img{height:26px;width:auto;display:block}
.logo--sm img{height:20px}

.nav__links{
  display:flex;
  align-items:center;
  gap:32px;
  font-size:13.5px;
  font-weight:400;
}
.nav__links a{color:var(--muted-65);text-decoration:none;transition:color .18s ease}
.nav__links a:hover{color:var(--text)}
.nav__links .btn--ghost{color:var(--text);padding:10px 20px}
.nav__links .btn--ghost:hover{color:var(--accent)}

/* ---------- Section base ---------- */
.section{border-top:1px solid var(--hairline)}
.section > .container{padding-top:88px;padding-bottom:88px}

/* ---------- Hero ---------- */
.hero{
  background:
    linear-gradient(100deg,rgba(8,8,8,.97) 38%,rgba(8,8,8,.7) 68%,rgba(8,8,8,.42) 100%),
    url('assets/hero.jpg') center/cover no-repeat;
}
.hero > .container{
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-height:580px;
  padding-top:96px;
  padding-bottom:88px;
}
.hero__title{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  font-size:104px;
  line-height:.94;
  letter-spacing:.01em;
  margin:0 0 32px;
}
.hero__lead{
  font-size:20px;
  line-height:1.6;
  color:var(--muted-75);
  margin:0 0 40px;
  max-width:640px;
}
.hero__actions{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.hero__note{font-size:13px;color:var(--muted-50)}
.hero__proof{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid var(--hairline);
  font-size:14px;
  color:var(--muted-60);
  max-width:640px;
}
.hero__proof--highlight{
  font-size:16px;
  color:var(--muted-75);
  border-top-color:var(--hairline-strong);
}
.hero__proof--highlight strong{color:var(--accent)}

/* ---------- O problema ---------- */
.problem__grid{
  display:grid;
  grid-template-columns:440px 1fr;
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
}
.problem__media{
  background:var(--bg);
  min-height:440px;
  overflow:hidden;
}
.problem__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.9);
}
.problem__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  background:var(--bg);
}
.problem__list li{
  flex:1;
  display:flex;
  align-items:center;
  gap:28px;
  padding:32px 44px;
  border-bottom:1px solid var(--hairline);
}
.problem__list li:last-child{border-bottom:none}
.problem__num{
  font-family:'Bebas Neue',sans-serif;
  font-size:24px;
  letter-spacing:.06em;
  color:var(--muted-40);
}
.problem__list p{
  margin:0;
  font-size:17px;
  line-height:1.6;
  color:rgba(245,244,240,.85);
}

/* ---------- O que entrego ---------- */
.deliver__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
}
.deliver__card{
  background:var(--bg);
  padding:36px 32px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.deliver__card--wide{grid-column:1 / -1}
.deliver__card h3{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  font-size:26px;
  letter-spacing:.04em;
  margin:0;
}
.deliver__card p{
  margin:0;
  font-size:15.5px;
  line-height:1.6;
  color:var(--muted-60);
  max-width:640px;
}

/* ========== O que entrego — Bento assimétrico ========== */
.v4{
  display:grid;grid-template-columns:repeat(3,1fr);
  grid-auto-rows:1fr;gap:1px;
  background:var(--hairline);border:1px solid var(--hairline);
}
.v4__card{
  background:var(--bg);padding:32px 28px;position:relative;
  display:flex;flex-direction:column;gap:10px;
  transition:background .3s ease;
}
.v4__card--hero{
  grid-row:span 2;
  justify-content:flex-end;
  background:#080808 url('assets/entrego-bg.jpg') center/cover no-repeat;
  overflow:hidden;
}
.v4__card--hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(8,8,8,.15) 0%,rgba(8,8,8,.55) 55%,rgba(8,8,8,.92) 100%);
  transition:background .3s ease;
}
.v4__card--hero > *{position:relative;z-index:1}
.v4__card--hero h3{font-size:38px}
.v4__card--hero p{max-width:340px;color:var(--muted-75)}
.v4__card:hover{background:rgba(245,244,240,.03)}
.v4__card--hero:hover{background:#080808 url('assets/entrego-bg.jpg') center/cover no-repeat}
.v4__card--hero:hover::after{background:linear-gradient(180deg,rgba(8,8,8,.05) 0%,rgba(8,8,8,.5) 55%,rgba(8,8,8,.9) 100%)}
.v4__idx{
  font-family:'Bebas Neue',sans-serif;font-size:15px;
  letter-spacing:.1em;color:var(--accent);
}
.v4__card h3{
  font-family:'Bebas Neue',sans-serif;font-weight:400;
  font-size:25px;letter-spacing:.04em;margin:0;
}
.v4__card p{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted-60)}

/* ---------- Case ---------- */
.case__grid{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:64px;
  align-items:start;
}
.case__text{
  margin:0 0 20px;
  font-size:18px;
  line-height:1.65;
  color:rgba(245,244,240,.8);
  max-width:560px;
}
.case__text:nth-of-type(2){margin-bottom:36px}
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
  max-width:640px;
}
.stat{background:var(--bg);padding:24px 22px}
.stat__num{
  font-family:'Bebas Neue',sans-serif;
  font-size:44px;
  line-height:1;
}
.stat__label{font-size:12.5px;color:var(--muted-55);margin-top:6px}
.case__note{
  margin:36px 0 0;
  font-size:14.5px;
  line-height:1.6;
  color:var(--muted-50);
  max-width:560px;
}
.case__body .btn{margin-top:28px}
.case__figure{
  margin:0;
  position:relative;
  border:1px solid var(--hairline-strong);
  overflow:hidden;
}
.case__figure img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
}
.case__caption{
  position:absolute;
  inset:auto 0 0 0;
  background:linear-gradient(0deg,rgba(8,8,8,.92),rgba(8,8,8,0));
  padding:44px 24px 20px;
}
.case__caption-title{font-size:13px;color:rgba(245,244,240,.85);font-weight:400}
.case__caption-sub{font-size:12px;color:var(--muted-50);margin-top:4px}

/* ---------- Como funciona ---------- */
.models{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  max-width:1000px;
}
.model{
  border:1px solid var(--hairline-strong);
  padding:40px 36px;
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
}
.model--highlight{border-color:var(--accent)}
.model__tag{
  position:absolute;
  top:-11px;
  left:36px;
  background:var(--accent);
  color:var(--bg);
  font-size:11px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:4px 10px;
}
.model h3{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  font-size:32px;
  letter-spacing:.04em;
  margin:0;
}
.model p{
  margin:0;
  font-size:16px;
  line-height:1.65;
  color:var(--muted-75);
}
.model__for{font-size:13px;color:var(--muted-45)}

.steps{
  list-style:none;
  margin:56px 0 0;
  padding:0;
  display:flex;
  align-items:center;
  gap:40px;
  max-width:1000px;
}
.step{display:flex;align-items:baseline;gap:14px}
.step__num{
  font-family:'Bebas Neue',sans-serif;
  font-size:28px;
  color:var(--muted-40);
}
.step__text{font-size:15px;color:var(--muted-75)}
.step__rule{flex:1;height:1px;background:rgba(245,244,240,.15)}

/* ---------- Quem sou ---------- */
.about{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:56px;
  align-items:start;
  max-width:900px;
}
.about__photo{
  width:200px;
  height:240px;
  object-fit:cover;
  object-position:top;
  border:1px solid var(--hairline-strong);
}
.about__text{
  margin:0 0 16px;
  font-size:17px;
  line-height:1.7;
  color:var(--muted-75);
}
.about__text:last-child{margin-bottom:0}

/* ---------- FAQ ---------- */
.faq{
  max-width:820px;
  border-top:1px solid var(--hairline);
}
.faq__item{
  border-bottom:1px solid var(--hairline);
}
.faq__item summary{
  list-style:none;
  cursor:pointer;
  padding:26px 44px 26px 0;
  position:relative;
  font-size:20px;
  font-weight:400;
  color:var(--text);
  transition:color .18s ease;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"+";
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  font-size:26px;
  line-height:1;
  color:var(--accent);
  transition:transform .2s ease;
}
.faq__item[open] summary::after{content:"–"}
.faq__item summary:hover{color:var(--accent)}
.faq__item p{
  margin:0 0 26px;
  padding-right:44px;
  font-size:17px;
  line-height:1.7;
  color:var(--muted-65);
}

/* ---------- CTA final ---------- */
.cta{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--hairline);
}
.cta__video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.cta__overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(8,8,8,.65) 0%,rgba(8,8,8,.1) 55%,rgba(8,8,8,.55) 100%);
}
.cta__content{
  position:relative;
  max-width:var(--maxw);
  margin:0 auto;
  padding:112px var(--pad);
  text-align:center;
}
.cta__title{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  font-size:88px;
  line-height:.96;
  margin:0 0 24px;
}
.cta__lead{
  margin:0 auto 44px;
  font-size:19px;
  line-height:1.6;
  color:var(--muted-75);
  max-width:520px;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:60;
  width:56px;
  height:56px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#25d366;
  color:#fff;
  border-radius:50%;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  transition:transform .18s ease,box-shadow .18s ease;
}
.whatsapp-float:hover{transform:scale(1.06);box-shadow:0 10px 28px rgba(0,0,0,.45)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--hairline)}
.footer__inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:28px var(--pad);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer__meta{font-size:12.5px;color:var(--muted-45)}

/* ===================================================================
   RESPONSIVE
   =================================================================== */

/* Fluid heading sizes on smaller desktops / tablets */
@media (max-width:1100px){
  .hero__title{font-size:clamp(56px,9vw,104px)}
  .cta__title{font-size:clamp(52px,8vw,88px)}
  .section__title{font-size:clamp(44px,6vw,64px)}
}

/* Tablet */
@media (max-width:900px){
  :root{--pad:32px}

  .nav__links{gap:20px}
  .nav__links a:not(.btn){display:none}

  .hero > .container{min-height:auto;padding-top:72px;padding-bottom:64px}

  .section > .container{padding-top:64px;padding-bottom:64px}

  .problem__grid{grid-template-columns:1fr}
  .problem__media{min-height:280px}

  .case__grid{grid-template-columns:1fr;gap:40px}
  .case__figure{max-width:420px}

  .steps{flex-direction:column;align-items:flex-start;gap:20px}
  .step__rule{display:none}
}

/* Phone */
@media (max-width:640px){
  :root{--pad:20px}

  .deliver__grid{grid-template-columns:1fr}
  .deliver__card--wide{grid-column:auto}

  .v4{grid-template-columns:1fr}
  .v4__card--hero{grid-row:auto}
  .v4__card--hero h3{font-size:32px}

  .models{grid-template-columns:1fr}

  .stats{grid-template-columns:1fr}

  .about{grid-template-columns:1fr;gap:28px}
  .about__photo{width:160px;height:200px}

  .hero__lead,.section__intro,.section__closer,.hero__proof{font-size:16px}

  .hero__actions{align-items:flex-start}
  .btn--primary,.btn--lg{padding:16px 28px}

  .cta__content{padding:72px var(--pad)}

  .footer__inner{flex-direction:column;align-items:flex-start;gap:12px}

  .whatsapp-float{right:16px;bottom:16px;width:52px;height:52px}
}