/* ============================================================
   REDOME — folha de estilos
   Paleta da marca: turquesa #5CC6D0 · turquesa escuro #51A8B1
   amarelo #FFCC29 · tinta #18292C · cinza #5E6B6E
   ============================================================ */

:root{
  --teal:#5CC6D0;
  --teal-deep:#3A9AA4;
  --teal-darker:#2C7B84;
  --yellow:#FFCC29;
  --ink:#16282B;
  --ink-soft:#2A3D40;
  --slate:#5E6B6E;
  --slate-light:#8A9699;
  --paper:#FAFBFB;
  --paper-tint:#EEF7F8;
  --line:#E1E8E9;
  --white:#FFFFFF;

  --font-display:'Space Grotesk',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;

  --maxw:1200px;
  --pad:clamp(1.25rem,5vw,4rem);
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;letter-spacing:-.02em}

/* ===== Utilitários ===== */
.eyebrow{
  display:inline-block;
  font-family:var(--font-display);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--teal-darker);
  margin-bottom:1.1rem;
  position:relative;
  padding-left:2.4rem;
}
.eyebrow::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:1.8rem;height:2px;
  background:var(--yellow);
  transform:translateY(-50%);
}
.eyebrow--light{color:var(--teal)}
.hl{color:var(--teal-deep);position:relative}
.hl::after{
  content:"";position:absolute;left:-.04em;right:-.04em;bottom:.04em;height:.34em;
  background:var(--yellow);opacity:.35;z-index:-1;border-radius:2px;
}

/* ===== Botões ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-display);font-weight:600;font-size:.98rem;
  padding:.85rem 1.5rem;border-radius:999px;
  cursor:pointer;border:2px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
  white-space:nowrap;line-height:1;
}
.btn svg{flex-shrink:0}
.btn--whatsapp{background:var(--ink);color:var(--white)}
.btn--whatsapp:hover{background:var(--teal-deep);transform:translateY(-2px);box-shadow:0 10px 28px -10px rgba(58,154,164,.6)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{border-color:var(--teal-deep);color:var(--teal-deep);transform:translateY(-2px)}
.btn--small{padding:.6rem 1.1rem;font-size:.9rem;background:var(--teal-deep);color:#fff}
.btn--small:hover{background:var(--teal-darker)}
.btn--lg{padding:1.05rem 1.9rem;font-size:1.05rem}
.btn--full{display:flex;justify-content:center;width:100%;background:var(--teal-deep);color:#fff;margin-top:.6rem}

/* ===== Navegação ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,251,251,.82);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.nav.scrolled{border-color:var(--line);box-shadow:0 4px 24px -18px rgba(0,0,0,.35)}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:1.5rem;
  padding:.85rem var(--pad);
}
.nav__logo{height:34px;width:auto}
.nav__menu{display:flex;gap:2rem;margin-left:auto}
.nav__menu a{
  font-family:var(--font-display);font-weight:500;font-size:.95rem;color:var(--ink-soft);
  position:relative;padding:.2rem 0;transition:color .2s;
}
.nav__menu a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;
  background:var(--teal-deep);transition:width .28s var(--ease);
}
.nav__menu a:hover{color:var(--ink)}
.nav__menu a:hover::after{width:100%}
.nav__cta{margin-left:0}
.nav__burger{
  display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;
  padding:.4rem;margin-left:auto;
}
.nav__burger span{width:26px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.nav__burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.open span:nth-child(2){opacity:0}
.nav__burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__mobile{
  display:none;flex-direction:column;gap:.2rem;
  padding:0 var(--pad);max-height:0;overflow:hidden;
  background:var(--paper);transition:max-height .4s var(--ease),padding .4s;
  border-bottom:1px solid var(--line);
}
.nav__mobile.open{max-height:340px;padding:.5rem var(--pad) 1.4rem}
.nav__mobile a{
  font-family:var(--font-display);font-weight:500;padding:.85rem 0;
  border-bottom:1px solid var(--line);color:var(--ink-soft);
}
.nav__mobile a.btn{border-bottom:0}

/* ===== Hero ===== */
.hero{position:relative;padding:9rem var(--pad) 4.5rem;overflow:hidden}
.hero__grid{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 90% at 78% 12%,#000 0%,transparent 62%);
  mask-image:radial-gradient(120% 90% at 78% 12%,#000 0%,transparent 62%);
  opacity:.7;
}
.hero__inner{
  position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;
}
.hero__title{
  font-size:clamp(2.3rem,5.2vw,4rem);font-weight:700;letter-spacing:-.03em;
  margin:.4rem 0 1.5rem;
}
.hero__lead{font-size:clamp(1.05rem,1.7vw,1.22rem);color:var(--ink-soft);max-width:38ch;margin-bottom:2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:1.4rem}
.hero__note{font-size:.9rem;color:var(--slate);font-family:var(--font-display);font-weight:500}

/* Visual isométrico do hero */
.hero__visual{display:flex;justify-content:center;align-items:center}
.iso{position:relative;width:min(100%,380px);aspect-ratio:1/1;display:grid;place-items:center}
.iso__mark{
  width:78%;position:relative;z-index:2;
  filter:drop-shadow(0 26px 40px rgba(44,123,132,.28));
  animation:float 6s ease-in-out infinite;
}
.iso__pulse{
  position:absolute;width:70%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,var(--teal) 0%,transparent 68%);
  opacity:.18;z-index:1;animation:pulse 5s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes pulse{0%,100%{transform:scale(.9);opacity:.14}50%{transform:scale(1.08);opacity:.24}}

/* ===== Faixa de valores ===== */
.strip{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  margin-top:1rem;
}
.strip__item{background:var(--paper);padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.3rem}
.strip__item strong{font-family:var(--font-display);font-size:1.05rem;color:var(--ink)}
.strip__item span{font-size:.9rem;color:var(--slate)}

/* ===== Secções genéricas ===== */
.section{max-width:var(--maxw);margin:0 auto;padding:5.5rem var(--pad)}
.section--tint{max-width:none;background:var(--paper-tint)}
.section--tint .section__head,.section--tint .cards{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section__head{max-width:760px;margin-bottom:3rem}
.section__title{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:600}
.section__sub{margin-top:1rem;color:var(--ink-soft);font-size:1.08rem;max-width:60ch}

/* ===== Quem somos ===== */
.about{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.about__lead p{font-size:1.15rem;color:var(--ink);margin-bottom:1.1rem}
.about__lead strong{color:var(--teal-darker)}
.about__body p{color:var(--slate);margin-bottom:1.1rem}
.about__body strong{color:var(--ink)}

/* ===== Cards (serviços) ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.8rem;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -28px rgba(22,40,43,.32);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card__num{
  font-family:var(--font-display);font-weight:700;font-size:1.05rem;
  color:var(--teal-deep);letter-spacing:.05em;
  display:inline-block;margin-bottom:1rem;
}
.card h3{font-size:1.28rem;margin-bottom:.6rem}
.card p{color:var(--slate);font-size:.97rem}
.card--cta{background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:center}
.card--cta::before{background:var(--yellow)}
.card--cta h3{color:#fff}
.card--cta p{color:rgba(255,255,255,.72);margin-bottom:1.2rem}
.card--cta .card__link{
  font-family:var(--font-display);font-weight:600;color:var(--yellow);
  align-self:flex-start;transition:gap .2s,transform .2s;
}
.card--cta:hover{transform:translateY(-6px)}

/* ===== Metodologia ===== */
.method{list-style:none;max-width:840px;position:relative}
.method::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(var(--teal),var(--teal-deep));
}
.method__step{display:grid;grid-template-columns:48px 1fr;gap:1.6rem;padding-bottom:2.4rem;position:relative}
.method__step:last-child{padding-bottom:0}
.method__marker{
  width:48px;height:48px;border-radius:50%;background:var(--paper);
  border:2px solid var(--teal-deep);display:grid;place-items:center;
  position:relative;z-index:1;
}
.method__marker span{font-family:var(--font-display);font-weight:700;color:var(--teal-darker);font-size:.95rem}
.method__content h3{font-size:1.3rem;margin-bottom:.4rem;padding-top:.5rem}
.method__content p{color:var(--slate)}

/* ===== Projetos (escuro) ===== */
.section--dark{max-width:none;background:var(--ink);color:#fff}
.section--dark .section__head,.section--dark .projects{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section--dark .section__title{color:#fff}
.projects__text{font-size:1.15rem;color:rgba(255,255,255,.82);max-width:62ch;margin-bottom:2.6rem}
.projects__gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-bottom:2.6rem}
.proj{border-radius:var(--radius);overflow:hidden;background:var(--ink-soft)}
.proj__img{aspect-ratio:4/3;background-size:cover;background-position:center;transition:transform .6s var(--ease)}
.proj:hover .proj__img{transform:scale(1.06)}
.proj__img--1{background-image:linear-gradient(135deg,rgba(92,198,208,.25),rgba(22,40,43,.6)),url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=900&q=70')}
.proj__img--2{background-image:linear-gradient(135deg,rgba(255,204,41,.18),rgba(22,40,43,.6)),url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?auto=format&fit=crop&w=900&q=70')}
.proj__img--3{background-image:linear-gradient(135deg,rgba(92,198,208,.25),rgba(22,40,43,.6)),url('https://images.unsplash.com/photo-1512917774080-9991f1c4c750?auto=format&fit=crop&w=900&q=70')}
.proj figcaption{padding:1rem 1.2rem;font-family:var(--font-display);font-weight:500;font-size:.95rem;color:rgba(255,255,255,.9)}
.projects__note{color:rgba(255,255,255,.7);max-width:60ch}

/* ===== CTA ===== */
.cta{text-align:center}
.cta__inner{max-width:720px;margin:0 auto}
.cta__title{font-size:clamp(1.9rem,4vw,3rem);font-weight:700;margin:.3rem 0 1.2rem}
.cta__lead{font-size:1.15rem;color:var(--ink-soft);margin-bottom:2.2rem}
.cta__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta__phone{margin-top:1.4rem;color:var(--slate);font-family:var(--font-display);font-weight:500}
.cta__phone a{color:var(--teal-darker);border-bottom:2px solid var(--yellow);padding-bottom:1px;transition:color .2s}
.cta__phone a:hover{color:var(--ink)}
.cta .eyebrow{padding-left:0}
.cta .eyebrow::before{display:none}

/* ===== Redes sociais (rodapé) ===== */
.footer__social{display:flex;gap:.7rem;margin-top:1.4rem}
.social{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);
  transition:background .25s var(--ease),color .25s,transform .25s var(--ease);
}
.social:hover{background:var(--teal-deep);color:#fff;transform:translateY(-3px)}

/* ===== Rodapé ===== */
.footer{background:var(--ink);color:#fff;padding:4rem var(--pad) 0}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem;
}
.footer__logo{height:40px;margin-bottom:1.2rem}
.footer__brand p{color:rgba(255,255,255,.66);max-width:42ch;font-size:.97rem}
.footer__col h4{font-family:var(--font-display);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:1.1rem}
.footer__col a{display:block;color:rgba(255,255,255,.78);padding:.35rem 0;font-size:.96rem;transition:color .2s}
.footer__col a:hover{color:var(--yellow)}
.footer__bar{
  max-width:var(--maxw);margin:0 auto;
  border-top:1px solid rgba(255,255,255,.12);
  padding:1.5rem 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;
  font-size:.86rem;color:rgba(255,255,255,.5);font-family:var(--font-display);
}

/* ===== Botão flutuante ===== */
.fab{
  position:fixed;right:1.4rem;bottom:1.4rem;z-index:90;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.7);
  transition:transform .3s var(--ease);
  animation:fabIn .5s var(--ease) .8s both;
}
.fab:hover{transform:scale(1.1) rotate(4deg)}
@keyframes fabIn{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsivo ===== */
@media (max-width:920px){
  .nav__menu,.nav__cta{display:none}
  .nav__burger{display:flex}
  .nav__mobile{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:2rem}
  .hero__visual{order:-1}
  .iso{width:min(70%,300px)}
  .strip{grid-template-columns:repeat(2,1fr)}
  .about,.cards,.projects__gallery,.footer__inner{grid-template-columns:1fr}
  .cards{gap:1.1rem}
  .footer__inner{gap:2rem}
}
@media (max-width:560px){
  .hero{padding-top:7.5rem}
  .strip{grid-template-columns:1fr}
  .hero__actions .btn,.cta__actions .btn{width:100%;justify-content:center}
  .footer__bar{flex-direction:column}
}

/* Acessibilidade: movimento reduzido */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* Foco visível */
a:focus-visible,button:focus-visible{outline:3px solid var(--teal-deep);outline-offset:3px;border-radius:6px}