/* ==========================================================
   FT Business Lab — Site Institucional
   Estilos compartilhados + variações A e B
   ========================================================== */

:root{
  /* Brand Manual — FT Business Lab (navy escuro) */
  --navy: #0F1A2E;          /* Navy escuro principal */
  --navy-deep: #08111F;     /* Navy quase preto p/ contraste extra */
  --navy-soft: #1B2740;
  --ink: #0F1A2E;
  --cream: #F1EADB;
  --paper: #FAF6EE;         /* Cream oficial da marca */
  --line: #E4DCC8;
  --line-strong: #C9BFA6;
  --bronze: #E8C9A0;        /* Accent quente oficial */
  --bronze-deep: #B8935F;
  --dusty-blue: #A8BFD0;    /* Accent frio oficial */
  --dusty-blue-deep: #4A6480;
  --muted: #6F6A5C;
  --success: #4A7A5C;

  /* Aliases legados: */
  --lavender: var(--dusty-blue);
  --lavender-deep: var(--navy);
  --terracotta: var(--bronze);
  --terracotta-deep: var(--bronze-deep);
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }

.container{
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 640px){
  .container{ padding: 0 20px; }
}

/* ============ NAV ============ */
.nav{
  position: sticky; top: 0; z-index: 40;
  background: rgba(250,250,247,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.nav-logo{
  display: flex; align-items: center; gap: 12px;
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: .01em;
  line-height: 1.1;
  white-space: nowrap;
  min-width: 0;
}
.nav-logo > span:last-child{
  display: flex; flex-direction: column;
  min-width: 0;
}
.nav-logo-mark{
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(168,191,208,.28), rgba(232,201,160,.22));
  border: 1px solid rgba(42,74,124,.08);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-logo-mark img{
  width: 36px; height: 36px; object-fit: contain;
  display: block;
}
.nav-logo small{
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}
.nav-links{
  display: flex; gap: 32px; align-items: center;
}
.nav-links a{
  font-size: 14px;
  color: var(--navy);
  font-weight: 500;
  position: relative;
  transition: color .2s;
}
.nav-links a:hover{ color: var(--lavender-deep); }
.nav-links a.nav-cta{
  background: var(--navy);
  color: var(--paper);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 0;
  transition: transform .2s, background .2s, color .2s;
}
.nav-links a.nav-cta:hover{
  background: var(--lavender-deep);
  color: var(--paper);
  transform: translateY(-1px);
}

@media (max-width: 820px){
  .nav-links a:not(.nav-cta){ display: none; }
}
@media (max-width: 640px){
  .nav-inner{ height: 64px; }
  .nav-logo{ font-size: 17px; gap: 10px; }
  .nav-logo-mark{ width: 40px; height: 40px; }
  .nav-logo-mark img{ width: 32px; height: 32px; }
  .nav-logo small{ font-size: 9px; letter-spacing: .18em; }
  .nav-links a.nav-cta{
    padding: 10px 16px;
    font-size: 13px;
  }
}
@media (max-width: 400px){
  .nav-logo small{ display: none; }
  .nav-logo{ font-size: 16px; }
}

/* ============ HERO ============ */
.hero{
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 640px){
  .hero{ padding: 40px 0 60px; }
  .hero h1{ font-size: 40px !important; }
  .hero p.lede{ font-size: 16px; margin-bottom: 28px; }
  .hero-cta-row .btn-primary,
  .hero-cta-row .btn-ghost{
    width: 100%;
    justify-content: center;
    padding: 16px 20px;
    font-size: 14.5px;
  }
  .hero-cta-row{ flex-direction: column; width: 100%; }
  .hero-eyebrow{ font-size: 11px; letter-spacing: .18em; }
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow{
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-eyebrow::before{
  content:""; width: 28px; height: 1px; background: var(--bronze-deep);
}
.hero h1{
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: clamp(42px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 28px;
}
.hero h1 em{
  font-style: italic;
  font-weight: 400;
  color: var(--bronze-deep);
}
.hero p.lede{
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 40px;
  line-height: 1.6;
}
.hero-cta-row{
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
}
.btn-primary{
  background: var(--navy);
  color: var(--paper);
  padding: 18px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 0;
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform .2s, background .2s;
}
.btn-primary:hover{ background: var(--lavender-deep); transform: translateY(-1px); }
.btn-primary .arrow{
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--paper); color: var(--navy);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px;
}
.btn-ghost{
  padding: 18px 24px;
  color: var(--navy);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  transition: border-color .2s, background .2s;
}
.btn-ghost:hover{ background: var(--cream); border-color: var(--navy); }

.hero-media{
  position: relative;
}
.hero-media .frame{
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--cream);
  box-shadow: 0 40px 80px -30px rgba(15,26,46,.35);
}
.hero-media .frame img{
  width: 100%; height: 100%; object-fit: cover;
}
.hero-media .badge{
  position: absolute;
  bottom: -22px; left: -22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 20px 40px -20px rgba(15,26,46,.2);
  max-width: 260px;
}
@media (max-width: 640px){
  .hero-media .badge{
    bottom: -18px; left: 12px;
    padding: 14px 16px;
    max-width: calc(100% - 24px);
  }
  .hero-media .badge .txt{ font-size: 12.5px; }
}
.hero-media .badge .dot{
  width: 10px; height: 10px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 4px rgba(47,107,78,.15);
}
.hero-media .badge .txt{
  font-size: 13px; color: var(--navy); font-weight: 500;
  line-height: 1.35;
}
.hero-media .badge .txt b{
  display: block; font-weight: 600; margin-bottom: 2px;
}

/* Circuit background lines */
.hero-bg{
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: .5;
  z-index: 0;
}
.hero-inner{ position: relative; z-index: 1; }

@media (max-width: 900px){
  .hero{ padding: 60px 0 80px; }
  .hero-inner{ grid-template-columns: 1fr; gap: 48px; }
  .hero-media{ order: -1; }
  .hero-media .frame{ aspect-ratio: 4/3; }
}
@media (max-width: 640px){
  .hero-inner{ gap: 36px; }
  .hero-media .frame{ aspect-ratio: 16/12; border-radius: 12px; }
}

/* ============ PILLARS ============ */
.pillars{
  padding: 100px 0;
  border-top: 1px solid var(--line);
  background: var(--cream);
}
@media (max-width: 640px){
  .pillars{ padding: 60px 0; }
  .section-lede{ font-size: 15.5px; margin-bottom: 36px; }
}
.section-eyebrow{
  display: flex; align-items: center; gap: 12px;
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 20px;
}
.section-eyebrow .num{
  font-family: 'JetBrains Mono', monospace;
  color: var(--bronze-deep);
}
.section-title{
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0 0 20px;
  font-weight: 500;
  max-width: 720px;
}
.section-lede{
  color: var(--muted);
  max-width: 620px;
  font-size: 17px;
  margin: 0 0 60px;
}

.pillars-grid{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pillar{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 32px;
  transition: transform .3s, box-shadow .3s;
}
.pillar:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(15,26,46,.15);
}
.pillar-icon{
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(168,191,208,.35), rgba(232,201,160,.35));
  border: 1px solid rgba(42,74,124,.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  color: var(--navy);
}
.pillar h3{
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 12px;
  letter-spacing: -.01em;
}
.pillar p{
  color: var(--muted);
  font-size: 15px;
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 820px){
  .pillars-grid{ grid-template-columns: 1fr; gap: 20px; }
  .pillar{ padding: 32px 26px; }
}

/* ============ AREAS ============ */
.areas{
  padding: 120px 0;
}
@media (max-width: 640px){
  .areas{ padding: 60px 0; }
}
.areas-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.area-card{
  padding: 44px 36px 44px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .2s;
  cursor: default;
  position: relative;
  min-height: 260px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.area-card:hover{ background: var(--cream); }
.area-card .area-num{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--terracotta-deep);
  letter-spacing: .18em;
  margin-bottom: 20px;
}
.area-card h3{
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--navy);
  margin: 0 0 14px;
  letter-spacing: -.015em;
}
.area-card p{
  color: var(--muted);
  font-size: 14.5px;
  margin: 0;
  line-height: 1.6;
}
.area-card .area-icon{
  position: absolute;
  top: 40px; right: 32px;
  color: var(--lavender-deep);
  opacity: .8;
}

@media (max-width: 900px){
  .areas-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px){
  .areas-grid{ grid-template-columns: 1fr; }
  .area-card{ min-height: auto; padding: 32px 24px; }
}

/* ============ METHOD ============ */
.method{
  padding: 120px 0;
  background: var(--navy);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
@media (max-width: 640px){
  .method{ padding: 60px 0; }
  .method-step{ padding: 22px 0; grid-template-columns: 44px 1fr; gap: 14px; }
  .method-step .num{ font-size: 32px; }
  .method-step h4{ font-size: 19px; }
  .method-step p{ font-size: 14px; }
}
.method .section-eyebrow{ color: var(--bronze); }
.method .section-title{ color: var(--paper); }
.method .section-lede{ color: rgba(245,241,234,.7); }

.method-layout{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.method-steps{
  display: flex; flex-direction: column;
}
.method-step{
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: baseline;
}
.method-step:last-child{ border-bottom: 0; }
.method-step .num{
  font-family: 'Playfair Display', serif;
  font-size: 42px;
  font-weight: 400;
  color: var(--bronze);
  line-height: 1;
  font-style: italic;
}
.method-step h4{
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--paper);
}
.method-step p{
  color: rgba(245,241,234,.65);
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
}
.method-media{
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 3/4;
  position: sticky; top: 100px;
}
.method-media img{ width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px){
  .method-layout{ grid-template-columns: 1fr; gap: 40px; }
  .method-media{ aspect-ratio: 16/10; position: static; }
}

/* ============ CASES ============ */
.cases{
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px){
  .cases{ padding: 60px 0; }
  .case-card{ padding: 28px 24px; }
  .case-card blockquote{ font-size: 17px; margin-bottom: 22px; }
  .cases-grid{ gap: 18px; }
}
.cases-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px;
  display: flex; flex-direction: column;
  transition: transform .3s, box-shadow .3s;
}
.case-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(15,26,46,.15);
}
.case-card .quote-mark{
  font-family: 'Playfair Display', serif;
  font-size: 60px;
  line-height: .8;
  color: var(--terracotta);
  margin-bottom: 12px;
}
.case-card blockquote{
  font-family: 'Playfair Display', serif;
  font-size: 19px;
  line-height: 1.4;
  color: var(--navy);
  margin: 0 0 32px;
  font-weight: 400;
  letter-spacing: -.005em;
  flex: 1;
}
.case-author{
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.case-author .role{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  font-weight: 600;
}

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

/* ============ CTA / CONTACT ============ */
.contact{
  padding: 120px 0;
  background: var(--cream);
  border-top: 1px solid var(--line);
}
@media (max-width: 640px){
  .contact{ padding: 60px 0; }
  .contact-form{ padding: 24px 20px; border-radius: 16px; }
  .contact p.lede{ font-size: 16px; }
  .contact-meta a{ font-size: 14px; }
  .field input, .field textarea, .field select{ font-size: 16px; }
  /* font-size:16px em inputs impede o zoom automático do iOS */
}
.contact-layout{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.contact h2{
  font-family: 'Playfair Display', serif;
  font-size: clamp(36px, 4.5vw, 60px);
  line-height: 1.05;
  color: var(--navy);
  margin: 0 0 24px;
  font-weight: 500;
  letter-spacing: -.02em;
}
.contact h2 em{
  font-style: italic;
  color: var(--bronze-deep);
}
.contact p.lede{
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 500px;
}
.contact-meta{
  display: flex; flex-direction: column; gap: 14px;
  margin-top: 32px;
}
.contact-meta a{
  display: flex; align-items: center; gap: 12px;
  color: var(--navy); font-size: 15px; font-weight: 500;
  transition: color .2s;
}
.contact-meta a:hover{ color: var(--lavender-deep); }
.contact-meta a svg{ color: var(--muted); }

.contact-form{
  background: var(--paper);
  border-radius: 24px;
  padding: 40px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(15,26,46,.15);
}
.contact-form h3{
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  margin: 0 0 8px;
  color: var(--navy);
  font-weight: 500;
}
.contact-form .sub{
  font-size: 14px; color: var(--muted); margin: 0 0 26px;
}
.field{
  margin-bottom: 18px;
}
.field label{
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.field input, .field textarea, .field select{
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: var(--paper);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline: 0;
  border-color: var(--lavender-deep);
  box-shadow: 0 0 0 3px rgba(107,108,176,.12);
}
.field textarea{ min-height: 96px; resize: vertical; }
.contact-form button{
  width: 100%;
  background: var(--navy);
  color: var(--paper);
  padding: 16px;
  border: 0;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  margin-top: 4px;
  transition: background .2s;
}
.contact-form button:hover{ background: var(--lavender-deep); }
.contact-form .note{
  font-size: 12px; color: var(--muted); margin: 14px 0 0; text-align: center;
}

@media (max-width: 900px){
  .contact-layout{ grid-template-columns: 1fr; gap: 40px; }
  .contact-form{ padding: 28px; }
}

/* ============ FOOTER ============ */
.footer{
  background: var(--navy);
  color: rgba(245,241,234,.6);
  padding: 60px 0 40px;
}
@media (max-width: 640px){
  .footer{ padding: 44px 0 32px; }
  .footer-top{ padding-bottom: 28px; }
  .footer-bottom{ flex-direction: column; align-items: flex-start; gap: 8px; }
}
.footer-top{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display: flex; align-items: flex-start; gap: 14px;
}
.footer-brand-mark{
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(245,241,234,.08);
  border: 1px solid rgba(245,241,234,.14);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.footer-brand-mark img{
  width: 46px; height: 46px; object-fit: contain;
  display: block;
}
.footer-brand-txt{
  font-family: 'Playfair Display', serif;
  font-size: 20px; color: var(--paper); font-weight: 500;
}
.footer-brand-txt small{
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(245,241,234,.5);
  margin-top: 4px;
  font-weight: 500;
}
.footer-brand-txt p{
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  margin: 14px 0 0;
  max-width: 340px;
  color: rgba(245,241,234,.55);
  line-height: 1.55;
}
.footer h5{
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: 0 0 20px;
  font-weight: 600;
}
.footer ul{
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.footer ul a{
  font-size: 14px;
  color: rgba(245,241,234,.65);
  transition: color .2s;
}
.footer ul a:hover{ color: var(--paper); }
.footer-bottom{
  padding-top: 30px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  flex-wrap: wrap; gap: 12px;
}

@media (max-width: 820px){
  .footer-top{ grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   VARIAÇÃO B — Grid Modular Techno
   Applied when body has class .var-b
   ============================================================ */

body.var-b{
  --paper: #FFFFFF;
  --cream: #F4F5F7;
  --line: #E4E6EA;
  --line-strong: #B8BDC6;
  font-size: 16px;
}
body.var-b .nav-logo,
body.var-b .hero h1,
body.var-b .section-title,
body.var-b .pillar h3,
body.var-b .area-card h3,
body.var-b .method-step h4,
body.var-b .case-card blockquote,
body.var-b .contact h2,
body.var-b .contact-form h3,
body.var-b .footer-brand-txt{
  font-family: 'Manrope', sans-serif !important;
  font-weight: 700;
  font-style: normal !important;
}
body.var-b .hero h1 em,
body.var-b .contact h2 em{
  font-style: normal !important;
  color: var(--navy);
  background: linear-gradient(120deg, var(--navy), var(--bronze-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}
body.var-b .hero h1{
  letter-spacing: -0.035em;
  font-size: clamp(40px, 5vw, 68px);
}
body.var-b .section-title{
  letter-spacing: -0.03em;
}
body.var-b .method-step .num{
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-style: normal;
  color: var(--terracotta);
  letter-spacing: .02em;
}
body.var-b .case-card blockquote{
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -.005em;
}
body.var-b .case-card .quote-mark{ display: none; }
body.var-b .pillar,
body.var-b .case-card{
  border-radius: 6px;
  border: 1px solid var(--line);
}
body.var-b .hero-media .frame{
  border-radius: 8px;
}
body.var-b .contact-form{ border-radius: 12px; }
body.var-b .field input,
body.var-b .field textarea,
body.var-b .field select{ border-radius: 6px; }
body.var-b .btn-primary,
body.var-b .btn-ghost,
body.var-b .nav-cta,
body.var-b .contact-form button{
  border-radius: 6px;
}
body.var-b .btn-primary .arrow{ display: none; }
body.var-b .nav{ border-bottom: 1px solid var(--line); }
body.var-b .area-card{
  padding: 36px 28px;
}
body.var-b .area-card .area-num{
  display: inline-block;
  padding: 3px 8px;
  background: var(--cream);
  border-radius: 4px;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 24px;
}
body.var-b .section-eyebrow .num{
  padding: 2px 8px;
  background: rgba(200,155,140,.15);
  border-radius: 4px;
  color: var(--terracotta-deep);
}
body.var-b .pillar-icon{
  border-radius: 8px;
  background: var(--cream);
  border: 1px solid var(--line);
}
body.var-b .hero-media .badge{
  border-radius: 8px;
}
body.var-b .nav-logo-mark,
body.var-b .footer-brand-mark{
  border-radius: 6px;
}
body.var-b .method-media{
  border-radius: 8px;
}
body.var-b .pillars{
  background: var(--cream);
}

/* Grid overlay in Var B */
body.var-b .hero{
  background-image:
    linear-gradient(to right, rgba(15,26,46,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15,26,46,.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ============ WHATSAPP FLOAT BUTTON ============ */
.wa-float{
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 50;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 10px 24px -6px rgba(37,211,102,.55),
    0 4px 12px -2px rgba(15,26,46,.2);
  transition: transform .25s ease, box-shadow .25s ease, background .2s;
  text-decoration: none;
  border: 0;
}
.wa-float:hover{
  transform: translateY(-3px) scale(1.05);
  background: #1EBE5A;
  box-shadow:
    0 16px 32px -8px rgba(37,211,102,.6),
    0 6px 16px -2px rgba(15,26,46,.25);
}
.wa-float svg{ width: 32px; height: 32px; }
.wa-float::before,
.wa-float::after{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25D366;
  z-index: -1;
  animation: waPulse 2.4s ease-out infinite;
}
.wa-float::after{ animation-delay: 1.2s; }
@keyframes waPulse{
  0%   { transform: scale(1);   opacity: .55; }
  70%  { transform: scale(1.7); opacity: 0;   }
  100% { transform: scale(1.7); opacity: 0;   }
}
.wa-float-label{
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--navy);
  color: var(--paper);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 10px 24px -8px rgba(15,26,46,.35);
}
.wa-float-label::after{
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--navy);
}
.wa-float:hover .wa-float-label{
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
@media (max-width: 640px){
  .wa-float{
    bottom: 16px;
    right: 16px;
    width: 54px;
    height: 54px;
  }
  .wa-float svg{ width: 26px; height: 26px; }
  .wa-float-label{ display: none; }
  /* Espaço extra no fim da página para o botão não cobrir o footer */
  .footer-bottom{ padding-bottom: 60px; }
}

/* Motion utility */
.fade-in{
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.fade-in.visible{
  opacity: 1;
  transform: translateY(0);
}