:root{
  --bg:#0D1219;
  --surface:#131A23;
  --surface-2:#171F2A;
  --border:#253140;
  --text:#E8ECF1;
  --text-secondary:#8B97A8;
  --accent:#6C93B8;
  --accent-hover:#93B4D2;
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--text);
  font-family:'IBM Plex Sans', sans-serif;
  line-height:1.6;
  font-size:16px;
}

h1,h2,h3{
  font-family:'Source Serif 4', serif;
  font-weight:600;
  line-height:1.15;
}

a{color:inherit;text-decoration:none;}

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

.wrap{
  max-width:1140px;
  margin:0 auto;
  padding:0 32px;
}

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

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--accent);
  color:var(--bg);
  padding:12px 20px;
  z-index:200;
}
.skip-link:focus{left:16px;top:16px;}

/* NAV */
header.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(13,18,25,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1140px;
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  font-family:'Source Serif 4', serif;
  font-size:1.15rem;
  font-weight:600;
}
nav.links{
  display:flex;
  gap:36px;
}
nav.links a{
  font-size:0.95rem;
  color:var(--text-secondary);
  transition:color .15s;
}
nav.links a:hover,
nav.links a[aria-current="page"]{color:var(--text);}
nav.links a[aria-current="page"]{border-bottom:1px solid var(--accent);padding-bottom:4px;}

.nav-cta{
  border:1px solid var(--accent);
  color:var(--accent);
  padding:10px 20px;
  font-size:0.9rem;
  transition:background .15s, color .15s;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--accent);color:var(--bg);}

.nav-right{display:flex;align-items:center;gap:28px;}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.hamburger span{
  width:22px;height:2px;background:var(--text);display:block;
}

.mobile-menu{
  display:none;
  position:fixed;
  top:72px;left:0;right:0;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  flex-direction:column;
  padding:24px 32px;
  gap:20px;
  z-index:99;
  max-height:calc(100vh - 72px);
  overflow-y:auto;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  font-size:1rem;
  color:var(--text);
  padding:8px 0;
  border-bottom:1px solid var(--border);
}

/* PAGE HERO (subpages) */
.page-hero{
  padding:168px 0 72px;
  max-width:760px;
}
.page-hero .eyebrow{margin-bottom:20px;}
.page-hero h1{font-size:2.6rem;margin-bottom:20px;}
.page-hero p.lead{color:var(--text-secondary);font-size:1.1rem;}

/* HERO (home) */
.hero{
  padding:168px 0 96px;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:64px;
  align-items:center;
}
.eyebrow{
  color:var(--accent);
  font-size:0.95rem;
  margin-bottom:20px;
  letter-spacing:0.02em;
}
.hero h1{
  font-size:3.1rem;
  margin-bottom:24px;
}
.hero-title{display:flex;flex-direction:column;}
.hero-title .accent{color:var(--accent);}
.glow-line{
  display:inline-block;
  animation:glow-pulse 3.2s ease-in-out infinite;
  animation-delay:var(--d, 0s);
}
@keyframes glow-pulse{
  0%,100%{text-shadow:0 0 0 rgba(108,147,184,0);}
  50%{text-shadow:0 0 18px rgba(108,147,184,.55), 0 0 36px rgba(108,147,184,.25);}
}
.hero p.lead{
  color:var(--text-secondary);
  font-size:1.1rem;
  max-width:520px;
  margin-bottom:36px;
}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-block;
  padding:14px 28px;
  font-size:0.95rem;
  border:1px solid var(--border);
  transition:border-color .15s, background .15s, color .15s;
  cursor:pointer;
  background:none;
  font-family:'IBM Plex Sans', sans-serif;
  color:var(--text);
}
.btn-primary{
  background:var(--accent);
  color:var(--bg);
  border-color:var(--accent);
}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);}
.btn-secondary{
  color:var(--text);
  border-color:var(--border);
}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent);}

.hero-photo{
  position:relative;
  aspect-ratio:4/5;
  overflow:hidden;
}
.hero-photo img{
  width:100%;height:100%;
  object-fit:cover;
  filter:grayscale(45%);
}
.hero-photo::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg, rgba(30,50,75,0.55), rgba(13,18,25,0.75));
  mix-blend-mode:multiply;
}
.hero-photo-caption{
  position:absolute;
  bottom:0;left:0;right:0;
  padding:20px 24px;
  background:linear-gradient(to top, rgba(13,18,25,0.92), transparent);
  z-index:2;
}
.hero-photo-caption .name{
  font-family:'Source Serif 4', serif;
  font-size:1.1rem;
  font-weight:600;
}
.hero-photo-caption .role{
  font-size:0.85rem;
  color:var(--text-secondary);
}

/* SECTION SCAFFOLDING */
section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:56px;max-width:680px;}
.section-head h2{font-size:2rem;margin-bottom:12px;}
.section-head p{color:var(--text-secondary);font-size:1.05rem;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

.prose{max-width:680px;}
.prose p{color:var(--text-secondary);font-size:1.05rem;margin-bottom:16px;}
.prose p:last-child{margin-bottom:0;}
.prose strong{color:var(--text);font-weight:600;}

/* QUEM E / ABOUT TEASER */
.about-grid{
  display:grid;
  grid-template-columns:0.6fr 1.4fr;
  gap:48px;
}
.about-grid h2{font-size:2rem;}

/* STATS */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
}
.stat{
  text-align:left;
  padding:0 28px;
  border-left:1px solid var(--border);
}
.stat:first-child{border-left:none;padding-left:0;}
.stat .num{
  font-family:'Source Serif 4', serif;
  font-size:2.4rem;
  color:var(--accent);
}
.stat .num.is-text{font-size:1.3rem;line-height:1.3;}
.stat .label{
  color:var(--text-secondary);
  font-size:0.9rem;
  margin-top:8px;
}

/* MARQUEE */
.social-proof{
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:40px 0;
  overflow:hidden;
  -webkit-mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.social-proof-label{
  text-align:center;
  color:#5a6270;
  font-size:0.85rem;
  margin-bottom:24px;
}
.marquee-track{
  display:flex;
  align-items:center;
  width:max-content;
  animation:scroll-left 32s linear infinite;
}
.marquee-track span{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 36px;
}
.marquee-track img{
  height:40px;
  width:auto;
  max-width:140px;
  object-fit:contain;
}
@keyframes scroll-left{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}

/* AREAS GRID (6 items, 3x2) */
.areas-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);
}
.area{
  padding:40px 36px;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.areas-grid .area:nth-child(3n){border-right:none;}
.areas-grid .area:nth-child(n+4){border-bottom:none;}
.area h3{font-size:1.2rem;color:var(--accent);margin-bottom:14px;}
.area p{color:var(--text-secondary);font-size:0.95rem;}

/* SERVICES GRID (3 col generic reuse) */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);
}
.service{
  padding:40px 36px;
  border-right:1px solid var(--border);
}
.service:last-child{border-right:none;}
.service h3{font-size:1.3rem;color:var(--accent);margin-bottom:16px;}
.service ul{list-style:none;color:var(--text-secondary);font-size:0.95rem;}
.service li{padding:10px 0;border-top:1px solid var(--border);}
.service li:first-child{border-top:none;padding-top:0;}

/* QUESTIONS LIST (como eu trabalho) */
.questions-list{
  border-top:1px solid var(--border);
}
.question-item{
  display:flex;
  gap:24px;
  padding:24px 0;
  border-bottom:1px solid var(--border);
  align-items:baseline;
}
.question-item .qnum{
  font-family:'Source Serif 4', serif;
  color:var(--accent);
  font-size:1.1rem;
  flex-shrink:0;
  width:32px;
}
.question-item p{font-size:1.15rem;font-family:'Source Serif 4', serif;}

/* STACK DIAGRAM (negocio <-> tecnologia) */
.stack-diagram{
  display:flex;
  flex-direction:column;
  align-items:center;
  max-width:360px;
  margin:0 auto;
}
.stack-node{
  width:100%;
  text-align:center;
  padding:16px 20px;
  border:1px solid var(--border);
  font-family:'Source Serif 4', serif;
  font-size:1.05rem;
  background:var(--surface-2);
}
.stack-node.is-accent{color:var(--accent);border-color:var(--accent);}
.stack-connector{
  width:1px;
  height:28px;
  background:var(--border);
}
.stack-highlight{
  text-align:center;
  margin-top:40px;
  font-family:'Source Serif 4', serif;
  font-size:1.3rem;
  color:var(--accent);
}

/* METHOD STEPS (diagnostico -> melhoria continua) */
.method-steps{
  position:relative;
  border-left:1px solid var(--border);
  padding-left:32px;
  max-width:520px;
}
.method-step{
  position:relative;
  padding-bottom:32px;
}
.method-step:last-child{padding-bottom:0;}
.method-step::before{
  content:"";
  position:absolute;
  left:-37px;
  top:4px;
  width:9px;height:9px;
  background:var(--accent);
  border:2px solid var(--bg);
}
.method-step .step-title{
  font-family:'Source Serif 4', serif;
  font-size:1.15rem;
  margin-bottom:4px;
}
.method-step .step-desc{color:var(--text-secondary);font-size:0.9rem;}
.method-note{
  margin-top:40px;
  font-family:'Source Serif 4', serif;
  font-size:1.3rem;
  max-width:640px;
}

/* VALUES GRID */
.values-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);
}
.value{
  padding:36px 32px;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.values-grid .value:nth-child(3n){border-right:none;}
.values-grid .value:nth-child(n+4){border-bottom:none;}
.value h3{font-size:1.05rem;color:var(--accent);margin-bottom:12px;letter-spacing:0.03em;}
.value p{font-family:'Source Serif 4', serif;font-size:1.05rem;color:var(--text);}

.topics{list-style:none;color:var(--text-secondary);font-size:0.95rem;columns:2;column-gap:32px;}
.topics li{padding:8px 0;border-top:1px solid var(--border);}
.topics li:first-child{border-top:none;}
@media (max-width:520px){.topics{columns:1;}}

/* TIMELINE (sobre) */
.timeline{
  border-left:1px solid var(--border);
  max-width:680px;
}
.timeline-item{
  position:relative;
  padding:0 0 40px 32px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-5px;
  top:4px;
  width:9px;height:9px;
  background:var(--accent);
}
.timeline-item .period{
  color:var(--text-secondary);
  font-size:0.85rem;
  margin-bottom:6px;
}
.timeline-item .period.placeholder{color:var(--accent);font-style:italic;}
.timeline-item h3{font-size:1.15rem;margin-bottom:8px;}
.timeline-item p{color:var(--text-secondary);font-size:0.95rem;}

/* PROJECTS */
.filter-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.filter-btn{
  border:1px solid var(--border);
  background:none;
  color:var(--text-secondary);
  padding:9px 18px;
  font-size:0.85rem;
  font-family:'IBM Plex Sans', sans-serif;
  cursor:pointer;
  transition:border-color .15s, color .15s;
}
.filter-btn:hover{color:var(--text);border-color:var(--accent);}
.filter-btn.active{color:var(--accent);border-color:var(--accent);}

.projects-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  border:1px solid var(--border);
}
.project-card{
  padding:36px;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.projects-grid .project-card:nth-child(2n){border-right:none;}
.project-card .cat{
  color:var(--accent);
  font-size:0.8rem;
  margin-bottom:12px;
  letter-spacing:0.03em;
}
.project-card h3{font-size:1.3rem;margin-bottom:12px;}
.project-card p.desc{color:var(--text-secondary);font-size:0.95rem;margin-bottom:16px;}
.project-card details{border-top:1px solid var(--border);padding-top:16px;}
.project-card summary{cursor:pointer;color:var(--text-secondary);font-size:0.85rem;}
.project-card summary:hover{color:var(--accent);}
.project-detail-grid{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.project-detail-grid .row{font-size:0.9rem;}
.project-detail-grid .row .k{color:var(--text-secondary);margin-right:6px;}
.project-detail-grid .row .v.pending{color:var(--accent);font-style:italic;}

/* MATERIALS */
.materials-toolbar{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:40px;
  align-items:center;
}
.materials-search{
  flex:1;
  min-width:220px;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  padding:12px 16px;
  font-family:'IBM Plex Sans', sans-serif;
  font-size:0.95rem;
}
.materials-search:focus{border-color:var(--accent);outline:none;}
.materials-empty{
  border:1px dashed var(--border);
  padding:56px 32px;
  text-align:center;
  color:var(--text-secondary);
}
.materials-empty p{margin-bottom:8px;}

/* CONTACT */
.contact-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:64px;
}
.channel-list{display:flex;flex-direction:column;gap:24px;}
.channel{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--border);
}
.channel svg{flex-shrink:0;color:var(--accent);}
.channel img{flex-shrink:0;width:24px;height:24px;}
.channel .channel-label{font-size:0.85rem;color:var(--text-secondary);}
.channel .channel-value{font-size:1rem;}
.channel a:hover .channel-value{color:var(--accent);}
.channel.is-pending .channel-value{color:var(--text-secondary);font-style:italic;}

form{display:flex;flex-direction:column;gap:20px;}
.field label{display:block;font-size:0.85rem;color:var(--text-secondary);margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  padding:14px 16px;
  font-family:'IBM Plex Sans', sans-serif;
  font-size:0.95rem;
  border-radius:0;
  transition:border-color .15s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);outline:none;}
.field textarea{resize:vertical;min-height:120px;}
.submit-btn{
  align-self:flex-start;
  background:var(--accent);
  color:var(--bg);
  border:none;
  padding:14px 32px;
  font-size:0.95rem;
  cursor:pointer;
  font-family:'IBM Plex Sans', sans-serif;
  transition:background .15s;
}
.submit-btn:hover{background:var(--accent-hover);}
.form-note{font-size:0.85rem;color:var(--text-secondary);margin-top:-8px;}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:56px 0 32px;}
.footer-top{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:32px;
  margin-bottom:32px;
  padding-bottom:32px;
  border-bottom:1px solid var(--border);
}
.footer-brand .logo{display:block;margin-bottom:8px;}
.footer-brand .tagline{color:var(--text-secondary);font-size:0.9rem;}
.footer-links{display:flex;gap:28px;flex-wrap:wrap;}
.footer-links a{color:var(--text-secondary);font-size:0.9rem;transition:color .15s;}
.footer-links a:hover{color:var(--accent);}
.footer-quote{
  font-family:'Source Serif 4', serif;
  font-size:1.15rem;
  max-width:640px;
  margin-bottom:24px;
}
.footer-bottom{color:var(--text-secondary);font-size:0.85rem;}

/* WHATSAPP FLOAT */
.wa-float{
  position:fixed;
  bottom:28px;right:28px;
  width:56px;height:56px;
  background:var(--accent);
  border:1px solid var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:90;
  transition:background .15s;
}
.wa-float:hover{background:var(--accent-hover);}
.wa-float img{width:28px;height:28px;}

/* RESPONSIVE */
@media (max-width:860px){
  .wrap{padding:0 24px;}
  nav.links{display:none;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
  .hero{grid-template-columns:1fr;padding:120px 0 64px;gap:40px;}
  .hero-photo{order:-1;max-width:340px;}
  .hero h1{font-size:2.3rem;}
  .page-hero{padding:120px 0 56px;}
  .page-hero h1{font-size:2.1rem;}
  section{padding:64px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .stat{border-left:none;padding-left:0;border-top:1px solid var(--border);padding-top:20px;}
  .stat:nth-child(-n+2){border-top:none;padding-top:0;}
  .about-grid{grid-template-columns:1fr;gap:20px;}
  .areas-grid{grid-template-columns:1fr;}
  .areas-grid .area{border-right:none;}
  .services-grid{grid-template-columns:1fr;}
  .service{border-right:none;border-bottom:1px solid var(--border);}
  .service:last-child{border-bottom:none;}
  .values-grid{grid-template-columns:1fr;}
  .values-grid .value{border-right:none;}
  .projects-grid{grid-template-columns:1fr;}
  .projects-grid .project-card{border-right:none;}
  .contact-grid{grid-template-columns:1fr;gap:48px;}
}

@media (max-width:520px){
  .wrap{padding:0 20px;}
  .hero{padding:112px 0 48px;}
  .hero h1{font-size:1.9rem;}
  .nav-inner{padding:0 20px;}
  .mobile-menu{padding:20px;}
  .btn-row{flex-direction:column;}
  .btn{text-align:center;}
  .area,.service,.project-card,.value{padding:28px 22px;}
  .stat .num{font-size:2rem;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-top:1px solid var(--border);padding-top:20px;}
  .stat:first-child{border-top:none;padding-top:0;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .marquee-track{animation:none;}
  .glow-line{animation:none;}
  *{transition:none !important;}
}