/* Liftech Elevadores: identidade baseada na logo real
   Paleta: preto #14161A, preto profundo #0A0B0D, azul #0B63E0, azul profundo #0A4FB0, branco #F6F7F8, cinza #5B6270
   Tipografia: display sans-serif forte (Segoe UI Semibold) + Segoe UI no corpo, para leitura fácil e visual profissional */

:root{
  --black:#14161A;
  --black-deep:#0A0B0D;
  --blue:#0B63E0;
  --blue-deep:#0A4FB0;
  --paper:#F6F7F8;
  --paper-dim:#ECEEF0;
  --gray:#5B6270;
  --ink:#1C1E22;
  --white:#FFFFFF;

  --font-display:"Sora","Segoe UI Semibold","Segoe UI",-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-body:"Segoe UI","Helvetica Neue",Arial,sans-serif;

  --container:1180px;
  --space-xs:8px;
  --space-sm:16px;
  --space-md:24px;
  --space-lg:40px;
  --space-xl:64px;
  --space-2xl:100px;
}

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

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:48px;
  padding-right:48px;
}

.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap;
}

/* Skip link */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--blue); color:var(--white);
  padding:12px 20px; font-weight:600; text-decoration:none;
}
.skip-link:focus{ left:16px; top:16px; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

/* ---------- Nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:20;
  background:var(--white);
  border-bottom:1px solid var(--paper-dim);
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
}
.logo{ text-decoration:none; display:block; line-height:0; }
.logo img{ height:40px; width:auto; display:block; }

.nav-links-wrap{ display:contents; }
.nav-links{
  display:flex; gap:38px; list-style:none; margin:0; padding:0;
}
.nav-links a{
  color:var(--black);
  text-decoration:none;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  padding-bottom:5px;
  border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover{ color:var(--blue); border-color:var(--blue); }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--paper-dim);
  border-radius:2px;
  width:42px; height:38px;
  padding:0;
  cursor:pointer;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:10px; right:10px; height:2px; background:var(--ink);
}
.nav-toggle span{ top:18px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

@media (max-width:860px){
  .nav-links-wrap{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows .25s ease;
    position:absolute; top:100%; left:0; right:0;
    background:var(--white);
    border-bottom:1px solid var(--paper-dim);
  }
  .nav-links-wrap.open{ grid-template-rows:1fr; }
  .nav-links{
    flex-direction:column;
    gap:0;
    overflow:hidden;
    min-height:0;
  }
  .nav-links a{
    padding:16px 48px; border-bottom:1px solid var(--paper-dim);
    display:block;
  }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    linear-gradient(180deg, rgba(10,11,13,.68), rgba(10,11,13,.78)),
    url("fotos/Tela inicial.jpg") center 30% / cover no-repeat;
  overflow:hidden;
  min-height:88vh;
  display:flex;
  align-items:center;
  padding:80px 0;
}
.hero .container{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  position:relative;
  z-index:2;
  width:100%;
}
.hero .container > .hero-content{ max-width:920px; }
.hero h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:48px;
  letter-spacing:-.5px;
  line-height:1.18;
  color:var(--white);
  margin:0 0 38px;
  text-wrap:balance;
}
.ctas{ display:flex; gap:16px; flex-wrap:wrap; }
.hero .ctas{ justify-content:center; }
.btn{
  font-family:var(--font-body);
  font-size:14px; font-weight:600; letter-spacing:.4px;
  padding:15px 28px;
  text-decoration:none; display:inline-block;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease, border-color .2s ease, transform .15s ease;
}
.btn.primary{
  background:rgba(11,99,224,.55);
  color:var(--white);
  border:1px solid rgba(255,255,255,.4);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 12px 28px -14px rgba(10,11,13,.5);
}
.btn.primary:hover{ background:rgba(10,79,176,.72); border-color:rgba(255,255,255,.6); }
.btn.dark{ background:var(--black); color:var(--white); }
.btn.dark:hover{ background:var(--black-deep); }

/* ---------- Section shell ---------- */
.section{ padding:var(--space-2xl) 0; }
.section.alt{ background:var(--paper-dim); }
.eyebrow{
  font-size:12px; letter-spacing:3px; text-transform:uppercase;
  color:var(--blue-deep); font-weight:600; margin:0 0 10px;
}
.section h2{
  font-family:var(--font-display); font-weight:700;
  font-size:32px; color:var(--black); margin:0 0 var(--space-lg);
}
.section .lede{
  font-size:16px; color:var(--gray); max-width:60ch; margin:-20px 0 var(--space-lg);
}

/* ---------- Apresentação ---------- */
.intro .container{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:var(--space-xl);
  align-items:center;
}
.intro p{
  font-size:19px; line-height:1.7; color:var(--ink);
  max-width:56ch; margin:0;
}
.intro-photo{
  aspect-ratio:3/4;
  overflow:hidden;
  border-radius:24px;
  box-shadow:0 24px 48px -28px rgba(20,22,26,.35);
}
.intro-photo img{
  width:100%; height:100%; object-fit:cover;
}

/* ---------- Serviços ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.card{
  background:
    linear-gradient(180deg, rgba(11,99,224,.14), rgba(11,99,224,0) 45%),
    rgba(255,255,255,.6);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border:1px solid rgba(255,255,255,.7);
  border-radius:16px;
  padding:28px 22px;
  box-shadow:0 20px 40px -30px rgba(20,22,26,.35);
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:0 24px 44px -26px rgba(20,22,26,.4);
}
.card h3{
  font-family:var(--font-display); font-weight:700;
  font-size:19px; color:var(--black); margin:0 0 10px;
}
.card p{ font-size:14px; line-height:1.55; color:var(--gray); margin:0; }

/* ---------- Projetos ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.gallery-item{
  background:var(--black);
  aspect-ratio:3/4;
  position:relative;
  overflow:hidden;
  display:flex; align-items:flex-end;
}
.gallery-item img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit:cover;
}
.gallery-caption{
  position:relative; z-index:1;
  width:100%;
  padding:16px 18px;
  background:linear-gradient(to top, rgba(10,11,13,.88), transparent);
  color:var(--white);
  font-size:13px;
  letter-spacing:.3px;
}
.gallery-caption strong{ display:block; font-family:var(--font-display); font-size:16px; font-weight:700; margin-bottom:2px; }
.gallery-note{
  margin-top:var(--space-md);
  font-size:13px; color:var(--gray);
}

/* ---------- CTA final ---------- */
.cta-band{
  background:var(--black);
  color:var(--white);
  padding:var(--space-xl) 0;
  text-align:center;
}
.cta-band h2{
  font-family:var(--font-display); font-weight:800;
  font-size:28px; color:var(--white); margin:0 0 12px;
}
.cta-band p{
  font-size:16px; color:rgba(255,255,255,.72);
  margin:0 0 var(--space-md);
}
.cta-band .ctas{ justify-content:center; }

/* ---------- Contato ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:var(--space-xl);
  align-items:start;
}
.contact-info{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.contact-info li{
  background:var(--white);
  border-radius:14px;
  box-shadow:0 16px 32px -26px rgba(20,22,26,.25);
  transition:transform .2s ease, box-shadow .2s ease;
  overflow:hidden;
  height:100%;
}
.contact-info li:hover{
  transform:translateY(-3px);
  box-shadow:0 20px 38px -24px rgba(20,22,26,.32);
}
.contact-info li.full{ grid-column:1/-1; }
.contact-link{
  display:flex; align-items:center; gap:14px;
  padding:20px;
  text-decoration:none;
  color:inherit;
}
.contact-link:hover .value{ color:var(--blue); }
.contact-link:hover .chevron{ transform:translateX(4px); color:var(--blue); }
.contact-divider{ height:1px; background:var(--paper-dim); margin:0 20px; }
.value.nowrap{ white-space:nowrap; }
.icon-circle{
  flex-shrink:0;
  width:44px; height:44px;
  border-radius:50%;
  background:rgba(11,99,224,.1);
  color:var(--blue);
  display:flex; align-items:center; justify-content:center;
}
.contact-link-text{ flex:1; min-width:0; }
.contact-info .label{
  display:block; font-size:12px; letter-spacing:1.2px; text-transform:uppercase;
  color:var(--gray); font-weight:700; margin-bottom:4px;
}
.contact-info .value{
  display:block; font-size:16px; font-weight:600; color:var(--ink);
  overflow-wrap:anywhere;
  transition:color .2s ease;
}
.chevron{
  flex-shrink:0; color:var(--gray);
  transition:transform .2s ease, color .2s ease;
}

.contact-form{
  background:var(--white);
  padding:40px;
  border-radius:18px;
  box-shadow:0 30px 60px -30px rgba(20,22,26,.28);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:22px;
  margin-bottom:26px;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1/-1; }
.field label{
  font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  color:var(--black);
}
.field input, .field textarea{
  width:100%;
  font-family:var(--font-body);
  font-size:15px;
  padding:14px 16px;
  border:1px solid #D7DCE1;
  background:var(--white);
  color:var(--ink);
  border-radius:10px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus{
  border-color:var(--blue);
  outline:none;
  box-shadow:0 0 0 3px rgba(11,99,224,.15);
}
.field textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:13px; color:var(--gray); margin-top:14px; }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--black-deep);
  color:rgba(255,255,255,.6);
  padding:var(--space-xl) 0 var(--space-md);
  font-size:14px;
}
.site-footer a{ color:rgba(255,255,255,.75); text-decoration:none; }
.site-footer a:hover{ color:var(--white); }
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:var(--space-xl);
  padding-bottom:var(--space-lg);
}
.footer-logo{
  height:34px; width:auto;
  filter:brightness(0) invert(1);
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14px; line-height:1.6; color:rgba(255,255,255,.55);
  max-width:38ch; margin:0 0 18px;
}
.footer-social{
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; font-weight:600; color:var(--white);
}
.footer-social:hover{ color:var(--blue); }
.footer-col h3{
  font-size:12px; letter-spacing:1.5px; text-transform:uppercase;
  color:rgba(255,255,255,.4); font-weight:700; margin:0 0 18px;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.footer-col li span{ color:rgba(255,255,255,.55); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
@media (max-width:760px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .footer-brand{ grid-column:1/-1; }
}
@media (max-width:480px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ---------- Botão flutuante ---------- */
.floating-cta{
  position:fixed;
  right:24px; bottom:24px;
  z-index:30;
  display:inline-flex; align-items:center; gap:9px;
  background:var(--blue);
  color:var(--white);
  font-family:var(--font-body);
  font-size:14px; font-weight:600;
  padding:14px 22px;
  border-radius:999px;
  text-decoration:none;
  box-shadow:0 10px 24px -8px rgba(10,11,13,.55);
  opacity:1;
  transition:background .15s ease, transform .15s ease;
}
.floating-cta::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:999px;
  background:var(--blue);
  z-index:-1;
  animation:cta-ping 2.2s cubic-bezier(0,0,.2,1) infinite;
}
.floating-cta:hover{ background:var(--blue-deep); transform:translateY(-2px); }
@keyframes cta-ping{
  0%{ transform:scale(1); opacity:.5; }
  75%,100%{ transform:scale(1.4); opacity:0; }
}
#floating-cta{ bottom:94px; }

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .container{ padding-left:24px; padding-right:24px; }
  .towerlines{ display:none; }
  .hero h1{ font-size:31px; }
  .intro .container{ grid-template-columns:1fr; }
  .intro-photo{ max-width:380px; }
  .cards{ grid-template-columns:1fr 1fr; }
  .gallery{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .floating-cta{ right:16px; bottom:16px; padding:12px 18px; font-size:13px; }
  #floating-cta{ bottom:72px; }
}
@media (max-width:560px){
  .cards{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:1fr; }
  .contact-info{ grid-template-columns:1fr; }
}