/* ============================================================
   3DE PROJETOS — Design tokens
   Palette: blueprint navy + steel + safety-orange (incêndio)
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (technical)
   ============================================================ */
:root{
  --navy-950: #0B1C30;
  --navy-light: #1F4C78;
  --navy-900: #0F2440;
  --navy-800: #16324F;
  --steel-500: #3A5A78;
  --steel-300: #7FA0BC;
  --paper: #F2F1EC;
  --paper-dim: #E7E4DA;
  --graphite: #1E2126;
  --graphite-60: #1E2126;
  --orange-600: #D9541F;
  --orange-500: #E8622C;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 3px;
  --header-h: 142px;
  --top-bar-h: 40px;
  --max-w: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top: calc(var(--header-h) + var(--top-bar-h)); }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--graphite);
  background-color: var(--paper);
  background-image: linear-gradient(rgba(242,241,236,0.9), rgba(242,241,236,0.9)), url('../assets/hero-bg.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  background-repeat: no-repeat;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; margin:0; color: var(--navy-950); letter-spacing:-0.01em; text-transform:uppercase; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

:focus-visible{
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
}

.section{ padding: 100px 24px; }
.section-inverse{ background: var(--navy-light); color: var(--paper); }
.section-inverse h2{ color: var(--paper); }

.eyebrow{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: clamp(0.88rem, 1vw + 0.6rem, 1.15rem); font-weight:600; letter-spacing:0.08em; text-transform:uppercase;
  color: var(--navy-900); margin-bottom:14px;
}
.eyebrow-light{ color: #ffffff; }
.eyebrow-dot{ width:6px; height:6px; border-radius:50%; background: var(--orange-500); flex:none; }

.section-head{ max-width: 640px; margin: 0 auto 56px; text-align:left; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom:10px; }
.section-sub{ color: var(--graphite-60); font-size:1rem; }

main{ width:100%; }
.quem-somos-grid, .about-grid, .about-text-solo, .mv-grid, .cta-final-inner, .footer-titleblock, .section-head{
  max-width: var(--max-w);
  margin-left:auto;
  margin-right:auto;
}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 16px 32px;
  font-family: var(--font-body); font-weight:600; font-size:1rem;
  border-radius: var(--radius);
  border:1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-cta{ background: var(--orange-500); color:#fff; }
.btn-cta:hover{ background: var(--orange-600); transform: translateY(-1px); }
.btn-ghost{ border-color: var(--navy-900); color: var(--navy-900); }
.btn-ghost:hover{ background: var(--navy-900); color:#fff; }

/* ============ TOP BAR ============ */
.top-bar{
  background: var(--navy-light); color: var(--paper);
  height: var(--top-bar-h);
}
.top-bar-inner{
  max-width: var(--max-w); margin:0 auto; padding: 0 24px; height:100%;
  display:flex; align-items:center; gap:20px;
}
.top-bar-contacts{ display:flex; align-items:center; gap:26px; }
.top-bar-item{
  display:flex; align-items:center; gap:7px;
  font-family: var(--font-mono); font-size:0.76rem; letter-spacing:0.01em;
  color: #ffffff; white-space:nowrap;
}
.top-bar-item svg{ color: var(--orange-500); flex:none; }
a.top-bar-item:hover{ color:#fff; }

@media (max-width: 560px){
  .top-bar-contacts{ gap:16px; overflow-x:auto; }
}

/* ============ HEADER ============ */
.site-header{
  position:sticky; top:0; z-index:100;
  background: rgba(242,241,236,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--paper-dim);
}
.header-inner{
  max-width: var(--max-w); margin:0 auto; padding: 0 24px;
  height: var(--header-h);
  display:grid; grid-template-columns: auto 1fr auto;
  align-items:center; gap: 20px;
}
.brand{ display:flex; align-items:center; gap:10px; color: var(--navy-950); justify-self:start; }
.brand-logo{
  height: 127px;
  width: auto;
  max-width: 227px;
  object-fit: contain;
  display:block;
}

.main-nav{ display:flex; gap:clamp(10px, 1.6vw, 20px); justify-self:center; flex-wrap:wrap; justify-content:center; }
.main-nav a{
  font-size:0.9rem; font-weight:500; color: var(--navy-800);
  position:relative; padding: 6px 2px; white-space:nowrap;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background: var(--orange-500); transform: scaleX(0); transform-origin:left;
  transition: transform .2s ease;
}
.main-nav a:hover::after{ transform: scaleX(1); }
.main-nav a.is-current{ color: var(--orange-500); }
.main-nav a.is-current::after{ transform: scaleX(1); }

.header-cta{
  justify-self:end;
  padding: 13px 24px;
  font-size: 0.9rem;
  white-space: nowrap;
}
.nav-toggle{
  display:none; justify-self:end; background:none; border:none; width:32px; height:24px;
  position:relative; padding:0;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background: var(--navy-950);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:11px; }
.nav-toggle span:nth-child(3){ top:22px; }
.nav-toggle.is-open span:nth-child(1){ transform: translateY(11px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-11px) rotate(-45deg); }

/* ============ HERO ============ */
.hero{ background: var(--navy-950); }
.hero-photo{
  position:relative;
  min-height: calc(100vh - var(--header-h) - var(--top-bar-h));
  display:flex; align-items:center; justify-content:center;
  padding: 64px 24px;
  background-image:
    linear-gradient(180deg, rgba(11,28,48,0.36), rgba(11,28,48,0.24) 50%, rgba(11,28,48,0.46)),
    url('../assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-content{ position:relative; z-index:2; max-width: 760px; margin: 0 auto; text-align:center; text-shadow: 0 2px 18px rgba(0,0,0,0.35); }
.hero-content .eyebrow{ justify-content:center; color: #ffffff; }
.hero-brand{
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(2.6rem, 6.2vw, 4.6rem);
  line-height:1.04; letter-spacing:-0.01em;
  color: #fff; margin: 18px 0 16px;
}
.hero-content h1{
  font-family: var(--font-display); font-weight:600;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height:1.35; margin: 0 0 34px;
  color: var(--steel-100, #EAF0F5);
}
.hero-content h1 em{
  font-style:normal; font-weight:700; color: var(--orange-500);
}
.hero-lede{ font-size:1.05rem; color: var(--steel-300); max-width: 640px; margin:0 auto 34px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; }

.hero-actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}
.hero-actions .btn-ghost:hover {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: #ffffff;
  transform: translateY(-1px);
}

@media (max-width: 900px){
  .hero-photo{ background-attachment: scroll; min-height: calc(100svh - var(--header-h) - var(--top-bar-h)); }
  body{ background-attachment: scroll; }
}

/* ============ QUEM SOMOS ============ */
.quem-somos{ padding-top: 64px; padding-bottom: 56px; text-align:center; }
.quem-somos .section-head{ margin: 0 auto 28px; max-width: 720px; text-align:center; }
.quem-somos .section-head .eyebrow{ justify-content:center; }
.quem-somos-text{ max-width: 760px; margin: 0 auto; }
.quem-somos-text p{ font-size:1.05rem; line-height:1.7; color: var(--graphite-60); }

/* ============ SOBRE ============ */
.about-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items:start; }
.about-text p{ color: var(--graphite-60); font-size:1.02rem; margin-bottom:20px; }
.about-text strong{ color: var(--navy-950); }
.signature-block{ display:flex; align-items:center; gap:16px; margin-top:32px; }
.sig-line{ width:44px; height:1.5px; background: var(--orange-500); }
.signature-block strong{ display:block; font-family: var(--font-display); color: var(--navy-950); }
.signature-block span{ font-family: var(--font-mono); font-size:0.78rem; color: var(--graphite-60); }

.about-cards{ display:flex; flex-direction:column; gap:20px; }
.spec-card{
  background:#fff; border:1px solid var(--paper-dim); border-left: 3px solid var(--orange-500);
  padding: 28px; border-radius: var(--radius);
}
.spec-tag{ font-family: var(--font-mono); font-size:0.72rem; color: var(--steel-500); }
.spec-card h3{ font-size:1.15rem; margin: 6px 0 10px; }
.spec-card p{ color: var(--graphite-60); font-size:0.95rem; }

.about-text-solo{ max-width: 760px; text-align:center; }
.about-text-solo .signature-block{ justify-content:center; }

/* ============ MISSÃO E VISÃO ============ */
.mv-section{ padding-top:72px; padding-bottom:72px; }
.mv-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:56px; }
.mv-col{ text-align:center; padding: 0 20px; }
.mv-icon-badge{
  width:76px; height:76px; margin:0 auto 22px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%; background: rgba(232,98,44,0.12);
  border: 1.5px solid var(--orange-500);
}
.mv-icon{ color: var(--orange-500); }
.mv-col h3{ color:#fff; font-size:1.6rem; margin-bottom:18px; }
.mv-col p{ color: #ffffff; font-size:1.04rem; line-height:1.8; max-width:460px; margin:0 auto; }

@media (max-width: 720px){
  .mv-grid{ grid-template-columns:1fr; gap:44px; }
}

/* ============ QUEM SOMOS — áreas e diferenciais ============ */
.quem-somos-grid{
  max-width: 900px; margin: 44px auto 0;
  display:grid; grid-template-columns: 1fr 1fr; gap:48px; text-align:left;
}
.quem-somos-block h3{
  font-family: var(--font-mono); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase;
  color: var(--orange-500); margin-bottom:18px; font-weight:600;
}
@media (max-width: 720px){
  .quem-somos-grid{ grid-template-columns:1fr; gap:32px; }
}

/* ============ CTA FINAL ============ */
.cta-final{ background: var(--navy-light); color: var(--paper); text-align:left; }
.cta-final-inner{
  margin:0 auto; max-width: 1040px;
  display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:start;
}
.cta-final h2{ color:#fff; font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 8px 0 16px; }
.cta-lede{ color: #ffffff; margin-bottom:36px; }
.contact-row{ display:flex; flex-direction:column; gap:18px; }
.contact-item{
  display:flex; align-items:center; gap:12px; color:#fff;
  font-family: var(--font-mono); font-size:1rem; padding-bottom:14px;
  border-bottom: 1px solid var(--steel-500);
}
.contact-item em{ font-style:normal; color: #ffffff; font-size:0.85rem; }
.contact-item svg{ color: var(--orange-500); flex:none; }

/* ============ CONTACT FORM ============ */
.contact-form{
  display:flex; flex-direction:column; gap:18px;
  background: rgba(11,28,48,0.45);
  border:1px solid rgba(242,241,236,0.15); border-left:4px solid var(--orange-500);
  border-radius: var(--radius); padding: 34px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.28);
}
.form-label{
  font-family: var(--font-mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase;
  color: var(--orange-500); margin-bottom:-4px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row-split{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-row label{
  font-family: var(--font-mono); font-size:0.7rem; letter-spacing:0.07em; text-transform:uppercase;
  color: var(--steel-300);
}
.form-row input, .form-row textarea{
  background: rgba(242,241,236,0.16); border:1px solid rgba(242,241,236,0.3); border-radius: var(--radius);
  padding: 12px 14px; color:#fff; font-family: var(--font-body); font-size:0.95rem;
  transition: border-color .2s ease, background .2s ease;
}
.form-row input::placeholder, .form-row textarea::placeholder{ color: #ffffff; opacity:0.6; }
.form-row input:focus, .form-row textarea:focus{
  border-color: var(--orange-500); background: rgba(242,241,236,0.22); outline:none;
}
.form-row textarea{ resize:vertical; min-height:110px; font-family: var(--font-body); }
.contact-form .btn{ align-self:flex-start; margin-top:4px; }
.form-note{ font-size:0.78rem; color: #ffffff; }
.form-note.is-success{ color: var(--orange-500); font-weight:600; }

@media (max-width: 900px){
  .cta-final-inner{ grid-template-columns:1fr; gap:40px; }
  .form-row-split{ grid-template-columns:1fr; }
}

/* ============ FOOTER — title block ============ */
.site-footer{ background: var(--navy-light); color: var(--paper); }
.footer-titleblock{
  margin:0 auto; padding: 20px 24px;
  display:grid; grid-template-columns: 1.6fr 1fr 1fr;
  align-items: center;
  border-top: 1px solid var(--steel-500);
}
.ftb-col{
  padding: 0 20px; border-left: 1px solid var(--steel-500);
  display:flex; flex-direction:column; gap:4px; font-size:0.9rem;
}
.ftb-col:first-child{ border-left:none; padding-left:0; }
.footer-logo{
  height: 68px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  margin-bottom: 4px;
  filter: brightness(0) invert(1);
}
.ftb-label{ font-family: var(--font-mono); font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--steel-300); margin-bottom:4px; }
.ftb-col a:hover{ color: var(--orange-500); }
.footer-copy{
  max-width: var(--max-w); margin:0 auto; padding: 0 24px 16px;
  font-family: var(--font-mono); font-size:0.74rem; color: var(--steel-300);
}

/* ============ PÁGINAS DE SERVIÇO ============ */
.breadcrumb{
  max-width: var(--max-w); margin: 32px auto 0; padding: 0 24px;
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:0.8rem; color: var(--graphite-60);
}
.breadcrumb a:hover{ color: var(--orange-500); }
.breadcrumb .current{ color: var(--navy-950); }

.service-hero{
  max-width: var(--max-w); margin: 0 auto; padding: 24px 24px 56px;
  border-bottom: 1px solid var(--paper-dim);
}
.service-hero h1{ font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 14px 0 16px; max-width: 720px; }
.service-hero-lede{ color: var(--graphite-60); font-size:1.05rem; max-width: 620px; }

.service-body{
  max-width: var(--max-w); margin: 0 auto; padding: 56px 24px;
  display:grid; grid-template-columns: 1fr 300px; gap: 64px; align-items:start;
}
.service-subgroup{ margin-bottom: 44px; }
.service-subgroup:last-child{ margin-bottom:0; }
.service-subgroup h2{
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  color: var(--navy-950); margin-bottom:20px;
}
.service-list{ display:flex; flex-direction:column; gap:13px; }
.service-list li{
  position:relative; padding-left:24px; font-size:1rem; color: var(--graphite);
}
.service-list li::before{
  content:""; position:absolute; left:2px; top:8px; width:6px; height:6px; border-radius:50%; background: var(--orange-500);
}
.service-empty{ color: var(--graphite-60); font-size:1.02rem; max-width:520px; }

.service-detail-list{ display:flex; flex-direction:column; gap:26px; }
.service-detail{ position:relative; padding-left:46px; }
.service-detail-index{
  position:absolute; left:0; top:1px;
  font-family: var(--font-mono); font-size:0.78rem; color: var(--orange-500);
}
.service-detail h3{ font-family: var(--font-display); font-size:1.05rem; color: var(--navy-950); margin-bottom:8px; }
.project-tag-inline{
  display:inline-block; vertical-align:middle; margin-left:10px;
  font-family: var(--font-mono); font-size:0.66rem; font-weight:500; letter-spacing:0.05em; text-transform:uppercase;
  color: var(--orange-600); background: rgba(232,98,44,0.1);
  padding: 3px 9px; border-radius:999px;
}
.service-detail p{ color: var(--graphite-60); font-size:0.98rem; line-height:1.65; }
.service-detail-goal{ margin-top:8px; font-size:0.92rem; color: var(--steel-500); }
.service-detail-goal strong{
  font-family: var(--font-mono); font-size:0.7rem; letter-spacing:0.06em; text-transform:uppercase;
  color: var(--orange-600); margin-right:6px;
}

.service-sidebar{
  position:sticky; top: calc(var(--header-h) + 24px);
  background:#fff; border:1px solid var(--paper-dim); border-left: 3px solid var(--orange-500);
  border-radius: var(--radius); padding:26px;
}
.service-sidebar h3{ font-size:1.05rem; margin-bottom:14px; }
.sidebar-nav{ display:flex; flex-direction:column; gap:2px; margin-bottom:22px; }
.sidebar-nav a{
  padding: 10px 0; font-size:0.92rem; color: var(--graphite-60);
  border-bottom: 1px solid var(--paper-dim);
}
.sidebar-nav a.is-current{ color: var(--navy-950); font-weight:600; }
.sidebar-nav a:hover{ color: var(--orange-500); }
.service-sidebar .btn{ width:100%; justify-content:center; }

@media (max-width: 900px){
  .about-grid{ grid-template-columns: 1fr; gap:40px; }
  .footer-titleblock{ grid-template-columns: 1fr 1fr; row-gap:28px; }
  .ftb-col:nth-child(3){ border-left:none; }
  .service-body{ grid-template-columns: 1fr; gap: 40px; }
  .service-sidebar{ position:static; }
}

@media (max-width: 880px){
  :root{ --header-h: 76px; }
  .brand-logo{ height:67px; max-width:120px; }

  .main-nav{
    position:fixed; top: var(--header-h); left:0; right:0;
    background: var(--paper); flex-direction:column; gap:0;
    padding: 8px 24px 24px; border-bottom:1px solid var(--paper-dim);
    transform: translateY(-12px); opacity:0; visibility:hidden;
    transition: transform .2s ease, opacity .2s ease, visibility .2s ease;
  }
  .main-nav.is-open{ transform: translateY(0); opacity:1; visibility:visible; }
  .main-nav a{ padding: 14px 0; border-bottom:1px solid var(--paper-dim); }
  .header-cta{ display:none; }
  .nav-toggle{ display:block; }
  .header-inner{ grid-template-columns: auto auto; }

  .footer-titleblock{ grid-template-columns: 1fr; }
  .ftb-col{ border-left:none; padding-left:0; }
}

.hero-lede,
.quem-somos-text p,
.about-text p,
.mv-col p,
.cta-lede,
.service-hero-lede,
.service-empty,
.service-detail p{
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
}

/* ============ BOTÃO WHATSAPP FLUTUANTE ============ */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(11, 28, 48, 0.35);
  z-index: 999;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-btn:hover {
  background-color: #20ba5a;
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 8px 24px rgba(11, 28, 48, 0.45);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

@media (max-width: 560px) {
  .whatsapp-btn {
    bottom: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-btn svg {
    width: 28px;
    height: 28px;
  }
}