/* =========================================
   WM ENGENHARIA - DARK BACKGROUND / LIGHT SURFACES
   (Fundo escuro institucional + Cards claros com contraste)
   ========================================= */

:root{
  /* Marca */
  --wm-blue: #1D7CBB;
  --wm-blue-hover: #166aa0;
  --wm-blue-dark: #0F3A5A;

  /* Background escuro (institucional, não “balada”) */
  --bg-body: #0B1524;
  --bg-body-2: #08101D;

  /* Superfícies claras (cards/áreas) */
  --surface: rgba(255,255,255,0.94);
  --surface-soft: rgba(255,255,255,0.88);

  /* Texto sobre fundo escuro */
  --text-on-bg: #F8FAFC;
  --muted-on-bg: rgba(248,250,252,0.72);

  /* Texto sobre cards claros */
  --text-on-surface: #0B1220;
  --muted-on-surface: #475569;

  /* Bordas / sombras */
  --border-surface: rgba(29,124,187,0.22);
  --border-surface-strong: rgba(29,124,187,0.40);
  --shadow-depth: 0 18px 40px rgba(0,0,0,0.28);
  --shadow-soft: 0 10px 22px rgba(0,0,0,0.18);

  /* Radius */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
}

/* Reset */
*{ margin:0; padding:0; box-sizing:border-box; }

body{
  background:
    radial-gradient(circle at top, rgba(29,124,187,0.18), transparent 55%),
    radial-gradient(circle at bottom, rgba(255,255,255,0.06), transparent 55%),
    linear-gradient(180deg, var(--bg-body), var(--bg-body-2));
  color: var(--text-on-bg);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3{
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-on-bg);
}

a{ text-decoration:none; color: inherit; transition: all .25s ease; }

/* Layout */
.container{
  max-width: 600px;
  margin: 0 auto;
  padding: 56px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 34px;
}

/* Cabeçalho */
.header{
  text-align: center;
}

.logo-placeholder{
  width: 92px;
  height: 92px;
  margin: 0 auto 12px;
  border-radius: 50%;
  overflow: hidden;

  background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-depth);
}

.logo-placeholder img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Título WM ENGENHARIA - mais elegante e proporcional */
.header h1{
  font-family: 'Inter', sans-serif;  /* mais técnico e limpo */
  font-size: 22px;                  /* menor e mais premium */
  font-weight: 500;                 /* suave (nada de “pincel”) */
  text-transform: none;             /* remove caixa alta forçada */
  letter-spacing: 0.06em;           /* “branding” elegante */
  margin-bottom: 6px;
  line-height: 1.15;
  color: rgba(248,250,252,0.96);    /* no fundo escuro fica premium */
}

.header .tagline{
  color: var(--muted-on-bg);
  font-size: 14px;
  font-weight: 500;
  max-width: 86%;
  margin: 0 auto;
}

/* Botões */
.btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 12px;
  width:100%;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor:pointer;
  user-select:none;
}

.btn:active{ transform: scale(.985); }

/* Primário: Azul institucional */
.btn-primary{
  background-color: var(--wm-blue);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 14px 28px rgba(29,124,187,.22);
}

.btn-primary:hover{
  background-color: var(--wm-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(29,124,187,.28);
}

/* Secundário: Claro (gelo) + detalhe azul na esquerda */
.btn-secondary{
  background: rgba(255,255,255,.92);
  color: var(--wm-blue-dark);
  border: 1px solid rgba(255,255,255,0.18);
  border-left: 6px solid var(--wm-blue);
  box-shadow: var(--shadow-soft);
  margin-top: 18px;
}

.btn-secondary:hover{
  background: rgba(255,255,255,.98);
  transform: translateY(-2px);
}

/* Autoridade (card claro para contrastar no fundo escuro) */
.authority{
  display:flex;
  justify-content: space-between;
  align-items:center;

  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  padding: 26px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: var(--shadow-depth);

  color: var(--text-on-surface);
}

.authority-item{
  text-align:center;
  flex: 1;
}

.authority-item .number{
  display:block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 26px;
  color: var(--text-on-surface);
  margin-bottom: 6px;
}

.authority-item .number.has-icon{
  font-size: 22px;
  color: var(--wm-blue);
}

.authority-item .label{
  font-size: 10px;
  color: var(--muted-on-surface);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  font-weight: 800;
}

.authority-divider{
  width:1px;
  height:40px;
  background-color: rgba(15,58,90,.14);
}

/* Divisor */
.section-divider{
  width: 70px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(29,124,187,.85), transparent);
  margin: 50px auto 0;
  opacity: .9;
}

/* Serviços */
.services-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.service-card{
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  box-shadow: var(--shadow-depth);

  display:flex;
  align-items:center;
  gap: 16px;

  color: var(--text-on-surface);
}

.service-card:hover{
  transform: translateY(-3px);
  background: rgba(255,255,255,.98);
}

.service-card i{
  font-size: 20px;
  color: var(--wm-blue);
  width: 32px;
  text-align:center;
}

.service-card h3{
  font-size: 16px;
  margin: 0;
  font-weight: 800;
  color: var(--text-on-surface);
}

.service-card p{
  font-size: 12px;
  color: var(--muted-on-surface);
  margin: 0;
  font-weight: 600;
}

/* Portfólio */
.portfolio h2{
  margin-top: 22px;
  font-size: 18px;
  text-transform: uppercase;
  text-align:center;
  letter-spacing: 0.06em;
  opacity: .95;
  margin-bottom: 18px;
}

.portfolio-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 6px;
}

.portfolio-item{
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: var(--shadow-soft);
  border-radius: 10px;
  aspect-ratio: 1 / 1;
  transition: all .25s ease;
}

.portfolio-item:hover{
  transform: scale(1.02);
  border-color: rgba(29,124,187,.30);
}

.portfolio-trigger{
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.portfolio-trigger:focus-visible{
  outline: 2px solid rgba(255,255,255,.9);
  outline-offset: 3px;
}

.portfolio-preview{
  position: relative;
  overflow: hidden;
  min-height: 210px;
  aspect-ratio: auto;
  display: flex;
  align-items: end;
  padding: 0;
  border-radius: 18px;
}

.portfolio-preview::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,12,22,.14) 0%, rgba(6,12,22,.32) 28%, rgba(6,12,22,.72) 54%, rgba(6,12,22,.97) 100%);
  z-index: 1;
}

.portfolio-thumb{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-residencial{
  background:
    linear-gradient(135deg, rgba(173,197,220,.38), rgba(29,124,187,.08)),
    radial-gradient(circle at top right, rgba(255,255,255,.35), transparent 28%),
    linear-gradient(145deg, #dce5ef 0%, #95acc3 42%, #2e4357 100%);
}

.preview-infraestrutura{
  background:
    linear-gradient(135deg, rgba(145,168,184,.25), rgba(29,124,187,.10)),
    radial-gradient(circle at top left, rgba(255,255,255,.22), transparent 24%),
    linear-gradient(145deg, #c3d0dc 0%, #6f879d 40%, #1d2e42 100%);
}

.preview-institucional{
  background:
    linear-gradient(135deg, rgba(213,220,227,.28), rgba(29,124,187,.10)),
    radial-gradient(circle at right, rgba(255,255,255,.24), transparent 22%),
    linear-gradient(145deg, #d8dee6 0%, #7f95a8 38%, #24354b 100%);
}

.preview-obra{
  background:
    linear-gradient(135deg, rgba(203,194,170,.22), rgba(29,124,187,.08)),
    radial-gradient(circle at top, rgba(255,255,255,.16), transparent 24%),
    linear-gradient(145deg, #d8d0be 0%, #9a8e74 36%, #2a3441 100%);
}

.portfolio-overlay{
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.portfolio-chip{
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portfolio-overlay h3{
  font-size: 16px;
  line-height: 1.2;
  color: #fff;
}

.portfolio-overlay p{
  font-size: 12px;
  line-height: 1.5;
  color: rgba(248,250,252,.82);
}

.portfolio-meta{
  font-size: 11px;
  font-weight: 700;
  color: rgba(248,250,252,.94);
  letter-spacing: 0.04em;
}

.portfolio-lightbox{
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 1100;
}

.portfolio-lightbox.is-open{
  opacity: 1;
  pointer-events: auto;
}

.portfolio-lightbox-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 16, 0.88);
  backdrop-filter: blur(10px);
}

.portfolio-lightbox-dialog{
  position: relative;
  z-index: 1;
  width: min(100%, 1040px);
  min-height: min(82vh, 720px);
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 56px;
  align-items: center;
  gap: 18px;
}

.lightbox-close{
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.10);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 3;
}

.lightbox-nav{
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.10);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}

.lightbox-nav:hover,
.lightbox-close:hover{
  background: rgba(255,255,255,.18);
  transform: translateY(-1px);
}

.lightbox-stage{
  overflow: hidden;
  border-radius: 28px;
}

.lightbox-track{
  display: flex;
  min-height: min(82vh, 720px);
  transition: transform .42s cubic-bezier(.22, .8, .2, 1);
  will-change: transform;
}

.lightbox-slide{
  position: relative;
  width: 100%;
  flex: 0 0 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: end;
  min-height: min(82vh, 720px);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 28px 60px rgba(0,0,0,.36);
}

.lightbox-slide.is-video{
  background: #050a12;
}

.lightbox-gradient{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.04), rgba(5, 10, 18, 0.14) 35%, rgba(5, 10, 18, 0.68) 100%);
  pointer-events: none;
}

.lightbox-media{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lightbox-content{
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 24px 24px 28px;
  display: grid;
  gap: 10px;
  background: linear-gradient(180deg, rgba(10,16,26,0) 0%, rgba(10,16,26,.18) 18%, rgba(10,16,26,.76) 100%);
  pointer-events: none;
}

.lightbox-chip{
  justify-self: start;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lightbox-content h3{
  font-size: 30px;
  line-height: 1.08;
}

.lightbox-content p{
  color: rgba(248,250,252,.80);
  font-size: 15px;
  line-height: 1.7;
  max-width: 52ch;
}

.lightbox-meta,
.lightbox-counter{
  color: rgba(248,250,252,.90);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lightbox-slide.is-video .lightbox-gradient{
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.08), rgba(5, 10, 18, 0.08));
}

.lightbox-slide.is-video .lightbox-content{
  align-self: start;
  width: auto;
  max-width: 320px;
  padding: 20px;
  margin: 18px;
  gap: 6px;
  background: rgba(5, 10, 18, 0.34);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
}

.lightbox-slide.is-video .lightbox-chip,
.lightbox-slide.is-video .lightbox-meta{
  display: none;
}

.lightbox-slide.is-video .lightbox-content p{
  display: none;
}

/* Perfil Engenheiro */
.engineer-profile{
  margin-top: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow-depth);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: grid;
  grid-template-columns: 168px 1fr;
  align-items: center;
  gap: 20px;
}

.profile-photo{
  width: 100%;
  max-width: 168px;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--shadow-soft);
  background: rgba(29,124,187,.12);
}

.profile-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.profile-info{
  text-align: left;
}

.engineer-profile h3{
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--text-on-bg);
}

.engineer-name{
  font-size: 15px;
  font-weight: 700;
  color: rgba(248,250,252,.96);
  margin-bottom: 6px;
}

.engineer-profile .crea{
  color: rgba(248,250,252,.86);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.engineer-profile .bio{
  font-size: 14px;
  color: var(--muted-on-bg);
  margin: 0;
  font-weight: 600;
}

/* CTA final */
.final-cta{
  text-align:center;
  padding: 18px 0 8px;
}

.final-cta p{
  font-size: 14px;
  color: var(--muted-on-bg);
  margin-bottom: 16px;
  font-weight: 600;
}

/* Rodapé */
.footer{
  text-align:center;
  font-size: 11px;
  color: var(--muted-on-bg);
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.10);
}

.footer strong{
  font-size: 12px;
  color: rgba(248,250,252,.92);
  letter-spacing: 0.08em;
  display:block;
  margin-bottom: 6px;
}

/* WhatsApp flutuante */
.whatsapp-float{
  position: fixed;
  bottom: 26px;
  right: 26px;
  background-color: #25D366;
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 28px;
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.25);
  z-index: 1000;
}

.whatsapp-float:hover{
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(37, 211, 102, 0.33);
}

/* Reveal (animação) */
.reveal{
  opacity: 0;
  transform: translateY(26px);
  transition: all 0.9s ease;
}

.reveal.active{
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo */
@media (max-width: 380px){
  .container{ padding: 44px 15px; }
  .header h1{ font-size: 22px; }
}

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

  .portfolio-lightbox{
    padding: 12px;
  }

  .portfolio-lightbox-dialog{
    width: 100%;
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .lightbox-nav{
    display: none;
  }

  .lightbox-stage{
    min-height: auto;
    overflow: hidden;
  }

  .lightbox-slide{
    min-height: 40vh;
  }

  .lightbox-content{
    padding: 20px 18px 76px;
  }

  .lightbox-content h3{
    font-size: 24px;
  }

  .engineer-profile{
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile-photo{
    margin: 0 auto;
    max-width: 180px;
  }

  .profile-info{
    text-align: center;
  }
}