/* ===================================================================
   Serralheria Mãos de Aço — Design tokens
   Grafite #2B2B2B · Laranja queimado #F97316 · Branco #FFFFFF
   Cinza metálico #8A8F98 · Preto do logo #0A0A0A
=================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --grafite: #2B2B2B;
  --laranja: #F97316;
  --laranja-escuro: #C2570D;
  --branco: #FFFFFF;
  --cinza: #8A8F98;
  --preto-logo: #0A0A0A;
  --cinza-claro: #F4F4F5;

  --fonte-titulo: 'Oswald', sans-serif;
  --fonte-corpo: 'Inter', sans-serif;

  --header-h: 118px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body{
  margin: 0;
  font-family: var(--fonte-corpo);
  color: var(--grafite);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1,h2,h3,h4{
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 600;
}
p{ margin: 0 0 1em; }
.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible{
  outline: 3px solid var(--laranja);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Padrão de lâminas (referência às portas de enrolar) ---------- */
.laminas{
  background-image: repeating-linear-gradient(
    180deg,
    rgba(255,255,255,0.055) 0px,
    rgba(255,255,255,0.055) 3px,
    transparent 3px,
    transparent 14px
  );
}
.laminas-escuro{
  background-image: repeating-linear-gradient(
    180deg,
    rgba(0,0,0,0.06) 0px,
    rgba(0,0,0,0.06) 3px,
    transparent 3px,
    transparent 14px
  );
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--laranja);
  font-weight: 600;
  margin-bottom: 12px;
}
.eyebrow::before{
  content: '';
  width: 22px;
  height: 2px;
  background: var(--laranja);
  display: inline-block;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-laranja{
  background: var(--laranja);
  color: var(--branco);
}
.btn-laranja:hover{ background: var(--laranja-escuro); }
.btn-outline{
  background: transparent;
  border-color: var(--branco);
  color: var(--branco);
}
.btn-outline:hover{ background: var(--branco); color: var(--grafite); }
.btn-outline-dark{
  background: transparent;
  border-color: var(--grafite);
  color: var(--grafite);
}
.btn-outline-dark:hover{ background: var(--grafite); color: var(--branco); }

.btn svg{ width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Header ---------- */
.header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--preto-logo);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header .container{
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.header__logo img{ height: 92px; width: auto; }
.header__nav{
  display: flex;
  align-items: center;
  gap: 34px;
}
.header__nav a{
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  color: var(--branco);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.header__nav a::after{
  content:'';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--laranja);
  transition: width .2s ease;
}
.header__nav a:hover::after{ width: 100%; }
.header__actions{ display: flex; align-items: center; gap: 16px; }
.header__actions .btn{ padding: 10px 20px; font-size: 0.82rem; }

.header__toggle{
  display: none;
  background: none;
  border: none;
  color: var(--branco);
  width: 44px; height: 44px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.header__toggle span{
  width: 26px; height: 2px; background: var(--branco); display: block;
  transition: transform .25s ease, opacity .25s ease;
}
.header__toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.header__toggle.is-open span:nth-child(2){ opacity: 0; }
.header__toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav: solid background, never transparent */
@media (max-width: 900px){
  :root{ --header-h: 74px; }
  .header__logo img{ height: 50px; }
  .header__wa-label{ display: none; }
  .header__wa{
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  .header__wa svg{ width: 20px; height: 20px; margin: 0; }
  .header__nav{
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    bottom: 0;
    background: var(--preto-logo);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 36px 28px;
    gap: 26px;
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    text-align: left;
  }
  .header__nav.is-open{ transform: translateX(0); }
  .header__nav a{ font-size: 1.15rem; text-align: left; width: 100%; }
  .header__actions .btn-outline{ display: none; }
  .header__toggle{ display: flex; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: calc(var(--header-h) + 64px) 0 80px;
  overflow: hidden;
  background: var(--branco);
}
.hero::before{
  content:'';
  position: absolute;
  top: 0; right: 0;
  width: 46%; height: 100%;
  background: var(--cinza-claro);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}
.hero .container{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero__tag{
  display: inline-block;
  background: var(--grafite);
  color: var(--branco);
  font-family: var(--fonte-titulo);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
  margin-bottom: 18px;
}
.hero h1{
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  color: var(--grafite);
}
.hero h1 span{ color: var(--laranja); }
.hero__desc{
  color: var(--cinza);
  font-size: 1.05rem;
  max-width: 46ch;
}
.hero__ctas{ display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.hero__stats{
  display: flex;
  gap: 32px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.hero__stats div strong{
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 1.6rem;
  color: var(--grafite);
}
.hero__stats div span{
  color: var(--cinza);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero__media{
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(43,43,43,0.35);
}
.hero__media img{ width: 100%; height: 460px; object-fit: cover; }
.hero__media::after{
  content:'';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0) 55%, rgba(10,10,10,0.55) 100%);
}
.hero__media-badge{
  position: absolute;
  bottom: 18px; left: 18px;
  z-index: 2;
  color: var(--branco);
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  background: rgba(0,0,0,0.35);
  padding: 6px 12px;
  border-radius: 3px;
  backdrop-filter: blur(3px);
}

@media (max-width: 900px){
  .hero .container{ grid-template-columns: 1fr; }
  .hero::before{ width: 100%; clip-path: none; opacity: .5; top: auto; bottom: 0; height: 40%; }
  .hero__media img{ height: 320px; }
}

/* ---------- Seções genéricas ---------- */
.section{ padding: 88px 0; }
.section--branco{ background: var(--branco); }
.section--claro{ background: var(--cinza-claro); }
.section--laranja{
  background: var(--laranja);
  color: var(--branco);
}
.section--laranja .eyebrow{ color: var(--grafite); }
.section--laranja .eyebrow::before{ background: var(--grafite); }
.section--laranja h2{ color: var(--branco); }
.section--grafite{
  background: var(--grafite);
  color: var(--branco);
  position: relative;
}
.section--grafite h2{ color: var(--branco); }
.section--grafite p{ color: rgba(255,255,255,0.72); }

.section__head{
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section__head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section__head p{ color: var(--cinza); }
.section--laranja .section__head p,
.section--grafite .section__head p{ color: rgba(255,255,255,0.78); }

/* ---------- Serviços ---------- */
.servicos__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.servico-card{
  background: var(--branco);
  border: 1px solid #ECECEE;
  border-radius: 8px;
  padding: 32px 26px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.servico-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -24px rgba(43,43,43,0.35);
  border-color: var(--laranja);
}
.servico-card__icon{
  width: 54px; height: 54px;
  border-radius: 8px;
  background: rgba(249,115,22,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.servico-card__icon svg{ width: 28px; height: 28px; stroke: var(--laranja); }
.servico-card h3{ font-size: 1.08rem; color: var(--grafite); margin-bottom: 10px;}
.servico-card p{ color: var(--cinza); font-size: 0.94rem; margin: 0; }

@media (max-width: 900px){
  .servicos__grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  .servicos__grid{ grid-template-columns: 1fr; }
}

/* ---------- Por que escolher (vantagens) ---------- */
.vantagens__grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.vantagem{
  padding: 26px 22px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
}
.vantagem__num{
  font-family: var(--fonte-titulo);
  color: var(--laranja);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}
.vantagem h3{ font-size: 1rem; color: var(--branco); margin-bottom: 8px; }
.vantagem p{ font-size: 0.9rem; margin: 0; }

@media (max-width: 900px){
  .vantagens__grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .vantagens__grid{ grid-template-columns: 1fr; }
}

/* ---------- Galeria ---------- */
.galeria__filtros{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.galeria__filtro{
  padding: 9px 18px;
  border-radius: 30px;
  border: 1.5px solid #E2E2E5;
  background: var(--branco);
  font-family: var(--fonte-titulo);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--grafite);
  cursor: pointer;
  transition: all .2s ease;
}
.galeria__filtro:hover{ border-color: var(--laranja); color: var(--laranja); }
.galeria__filtro.is-active{
  background: var(--grafite);
  border-color: var(--grafite);
  color: var(--branco);
}
.galeria__grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.galeria__item{
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3.4;
  background: var(--cinza-claro);
  cursor: pointer;
}
.galeria__item img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s ease;
}
.galeria__item:hover img{ transform: scale(1.08); }
.galeria__item__cap{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(10,10,10,0.82));
  color: var(--branco);
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .25s ease, transform .25s ease;
}
.galeria__item:hover .galeria__item__cap{ opacity: 1; transform: translateY(0); }

@media (max-width: 980px){
  .galeria__grid{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px){
  .galeria__grid{ grid-template-columns: repeat(2, 1fr); }
}

/* Lightbox */
.lightbox{
  position: fixed; inset: 0;
  background: rgba(10,10,10,0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.lightbox.is-open{ display: flex; }
.lightbox img{ max-width: min(920px, 100%); max-height: 82vh; border-radius: 6px; }
.lightbox__cap{ color: var(--branco); text-align: center; margin-top: 14px; font-size: 0.95rem; }
.lightbox__close{
  position: absolute; top: 22px; right: 26px;
  background: none; border: none; color: var(--branco);
  font-size: 2rem; line-height: 1; cursor: pointer;
}

/* ---------- Onde atendemos ---------- */
.regioes{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 920px;
  margin: 0 auto 36px;
}
.regioes span{
  padding: 8px 16px;
  border-radius: 30px;
  background: rgba(255,255,255,0.08);
  font-size: 0.86rem;
  color: var(--branco);
}
.atendemos-copy{
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  color: rgba(255,255,255,0.75);
}

/* ---------- Contato / Mapa ---------- */
.contato__grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: stretch;
}
.contato__info{
  background: var(--cinza-claro);
  border-radius: 10px;
  padding: 40px;
}
.contato__info h3{ font-size: 1.3rem; margin-bottom: 22px; color: var(--grafite); }
.contato__linha{
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.contato__linha svg{ width: 22px; height: 22px; stroke: var(--laranja); flex-shrink: 0; margin-top: 2px; }
.contato__linha strong{ display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--cinza); margin-bottom: 2px; }
.contato__linha span, .contato__linha a{ color: var(--grafite); font-weight: 500; }
.contato__cnpj{
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid #E2E2E5;
  font-size: 0.82rem;
  color: var(--cinza);
}
.mapa-wrap{
  border-radius: 10px;
  overflow: hidden;
  min-height: 340px;
  border: 1px solid #E2E2E5;
}
.mapa-wrap iframe{ width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

@media (max-width: 900px){
  .contato__grid{ grid-template-columns: 1fr; }
}

/* ---------- CTA final ---------- */
.cta-final{
  text-align: center;
}
.cta-final h2{ font-size: clamp(1.6rem, 3.4vw, 2.4rem); color: var(--branco); }
.cta-final p{ color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 30px; }
.cta-final__btns{ display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer{
  background: var(--preto-logo);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 26px;
}
.footer__top{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__logo img{ height: 92px; margin-bottom: 16px; }
.footer__top p{ font-size: 0.9rem; max-width: 34ch; }
.footer h4{
  color: var(--branco);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer__col a, .footer__col span{
  display: block;
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.68);
}
.footer__col a:hover{ color: var(--laranja); }
.footer__bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  font-size: 0.82rem;
}
.footer__credito{
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
}
.footer__credito img{
  height: 44px;
  background: var(--branco);
  border-radius: 10px;
  padding: 8px 14px;
}

@media (max-width: 800px){
  .footer__top{ grid-template-columns: 1fr; }
}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{
  position: fixed;
  right: 22px; bottom: 22px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(0,0,0,0.45);
  z-index: 900;
  animation: wa-pulse 2.4s ease-in-out infinite;
}
.wa-float svg{ width: 30px; height: 30px; fill: var(--branco); }
@keyframes wa-pulse{
  0%,100%{ transform: scale(1); }
  50%{ transform: scale(1.06); }
}

/* ---------- Utilitários responsivos ---------- */
@media (max-width: 900px){
  .servicos__grid{ gap: 20px; }
  .section{ padding: 64px 0; }
}