/* ==========================================================================
   CONCEITO ENGENHARIA — Design tokens
   Signature: technical-drawing / blueprint motif — corner brackets,
   dimension-line dividers, coordinate labels in monospace, scan-line reveal.
   ========================================================================== */

:root{
  --verde-principal: #00573B;
  --verde-escuro: #003B29;
  --verde-suave: #E4EDE9;      /* tint of principal, section alternation */
  --branco: #FFFFFF;
  --cinza-claro: #F5F7F8;
  --cinza-medio: #D8D8D8;
  --preto: #222222;
  --verde-linha: rgba(0,87,59,0.14);

  --font-display: 'Poppins', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius-s: 10px;
  --radius-m: 14px;
  --radius-l: 16px;

  --shadow-s: 0 2px 10px rgba(0,40,26,0.06);
  --shadow-m: 0 12px 32px rgba(0,40,26,0.10);
  --shadow-l: 0 24px 60px rgba(0,40,26,0.14);

  --ease: cubic-bezier(.22,.61,.36,1);
  --container: 1220px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--font-display);
  color: var(--preto);
  background: var(--branco);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4,p{ margin:0; }

.container{
  width:100%;
  max-width: var(--container);
  margin:0 auto;
  padding: 0 32px;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--verde-principal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Preloader — blueprint scan
   ========================================================================== */
.scan-overlay{
  position: fixed; inset:0; z-index: 9999;
  background: var(--verde-escuro);
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
  animation: scanFade 1.15s var(--ease) forwards;
}
.scan-line{
  position:absolute; left:0; width:100%; height:2px;
  background: linear-gradient(90deg, transparent, rgba(245,247,248,.9), transparent);
  box-shadow: 0 0 24px rgba(245,247,248,.6);
  animation: scanMove 0.95s var(--ease) forwards;
}
@keyframes scanMove{
  0%{ top:0; }
  100%{ top:100%; }
}
@keyframes scanFade{
  0%,70%{ opacity:1; visibility:visible; }
  100%{ opacity:0; visibility:hidden; }
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal{
  opacity:0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }

/* ==========================================================================
   Eyebrow / section titles
   ========================================================================== */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--verde-principal);
  margin-bottom: 14px;
  display:flex; align-items:center; gap:8px;
}
.eyebrow.center{ justify-content:center; }
.eyebrow.on-dark{ color: rgba(245,247,248,.75); }

.section-title{
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 720px;
  margin-bottom: 3rem;
}
.section-title.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-title.on-dark{ color: var(--branco); }

.section{ padding: 7.5rem 0; position:relative; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 15px 30px;
  border-radius: var(--radius-s);
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--verde-principal);
  color: var(--branco);
  box-shadow: var(--shadow-s);
}
.btn-primary:hover{ background: var(--verde-escuro); transform: translateY(-2px); box-shadow: var(--shadow-m); }

.btn-outline{
  border-color: rgba(245,247,248,.55);
  color: var(--branco);
  background: rgba(245,247,248,.05);
  backdrop-filter: blur(6px);
}
.btn-outline:hover{ background: rgba(245,247,248,.14); transform: translateY(-2px); }

.btn-ghost{
  border-color: var(--cinza-medio);
  color: var(--preto);
  padding: 10px 20px;
}
.btn-ghost:hover{ border-color: var(--verde-principal); color: var(--verde-principal); }

.btn-light{
  background: var(--branco);
  color: var(--verde-escuro);
}
.btn-light:hover{ transform: translateY(-2px); box-shadow: var(--shadow-l); }

.btn-lg{ padding: 18px 38px; font-size: 1.02rem; }
.btn-sm{ padding: 10px 20px; font-size: 0.86rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  padding: 22px 0;
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled{
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }

.brand{ display:flex; align-items:center; gap:10px; color: var(--branco); transition: color .35s var(--ease); }
.site-header.scrolled .brand{ color: var(--verde-escuro); }
.brand-mark{ color: inherit; flex-shrink:0; }
.brand-text{ font-weight:600; font-size:1.05rem; letter-spacing:-0.01em; }
.brand-text em{ font-style:normal; font-weight:300; opacity:.8; }

.main-nav{ display:flex; gap:8px; }
.nav-link{
  display:flex; align-items:center; gap:6px;
  font-size:0.92rem; font-weight:500;
  color: rgba(245,247,248,.85);
  padding: 8px 14px; border-radius: 8px;
  transition: color .3s, background .3s;
}
.site-header.scrolled .nav-link{ color: var(--preto); }
.nav-link:hover{ color: var(--branco); background: rgba(245,247,248,.12); }
.site-header.scrolled .nav-link:hover{ color: var(--verde-principal); background: var(--verde-suave); }
.nav-index{ font-family: var(--font-mono); font-size:0.68rem; color: var(--verde-principal-transparent, rgba(0,87,59,.55)); opacity:.55; }
.site-header:not(.scrolled) .nav-index{ color: rgba(245,247,248,.55); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.site-header:not(.scrolled) .btn-ghost{ border-color: rgba(245,247,248,.5); color: var(--branco); }

.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:none; padding:0;
}
.menu-toggle span{ display:block; height:2px; width:100%; background: var(--branco); transition: transform .3s, opacity .3s, background .3s; }
.site-header.scrolled .menu-toggle span{ background: var(--preto); }
.menu-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity:0; }
.menu-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-menu{
  position: fixed; inset: 0 0 0 auto; z-index: 600;
  width: min(78vw, 340px);
  background: var(--verde-escuro);
  padding: 100px 32px 40px;
  display:flex; flex-direction:column; gap:6px;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
}
.mobile-menu.open{ transform: translateX(0); }
.mobile-link{ color: rgba(245,247,248,.9); font-size:1.1rem; padding: 12px 0; border-bottom:1px solid rgba(245,247,248,.12); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  min-height: 100vh;
  display:flex; align-items:center;
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{ position:absolute; inset:0; z-index:-1; }
.hero-photo{
  position:absolute; inset:0;
  background:
    radial-gradient(1100px 700px at 78% 18%, rgba(245,247,248,.10), transparent 60%),
    linear-gradient(160deg, #013f2a 0%, #00573B 46%, #003B29 100%);
}
.hero-photo::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(245,247,248,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,247,248,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, black 40%, transparent 85%);
}
.hero-grid{
  position:absolute; right:-6%; top:50%; transform: translateY(-50%);
  width: 620px; height: 620px;
  border: 1px solid rgba(245,247,248,.14);
  border-radius: 50%;
  opacity:.6;
}
.hero-grid::before, .hero-grid::after{
  content:""; position:absolute; inset: 60px;
  border: 1px solid rgba(245,247,248,.1);
  border-radius:50%;
}
.hero-grid::after{ inset: 140px; }
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(0,20,13,.55), rgba(0,20,13,.1) 55%);
}

.hero-content{ position:relative; padding-top: 60px; max-width: 760px; }
.hero-tag{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: .16em;
  color: rgba(245,247,248,.8);
  margin-bottom: 26px;
}
.tag-line{ width:34px; height:1px; background: rgba(245,247,248,.6); display:inline-block; }

.hero-title{
  font-size: clamp(2.3rem, 5.2vw, 4.1rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing:-0.02em;
  color: var(--branco);
  margin-bottom: 26px;
}
.hero-subtitle{
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  font-weight: 300;
  color: rgba(245,247,248,.86);
  max-width: 520px;
  line-height:1.6;
  margin-bottom: 42px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; }

.scroll-cue{
  position:absolute; left:32px; bottom:40px;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  background:none; border:none; color: rgba(245,247,248,.7);
}
.scroll-cue-label{ font-family: var(--font-mono); font-size:0.66rem; letter-spacing:.2em; writing-mode: vertical-rl; }
.scroll-cue-line{ width:1px; height:46px; background: rgba(245,247,248,.35); position:relative; overflow:hidden; }
.scroll-cue-line::after{
  content:""; position:absolute; left:0; top:-100%; width:100%; height:100%;
  background: rgba(245,247,248,.9);
  animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop{ 0%{ top:-100%; } 60%,100%{ top:100%; } }

/* ==========================================================================
   Frame corners (signature technical-drawing motif)
   ========================================================================== */
.frame-corners{ position:absolute; inset:0; pointer-events:none; z-index:2; }
.frame-corners span{
  position:absolute; width:20px; height:20px;
  border: 2px solid var(--verde-principal);
  opacity:0; transition: opacity .4s var(--ease), width .4s var(--ease), height .4s var(--ease);
}
.frame-corners span:nth-child(1){ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.frame-corners span:nth-child(2){ top:-1px; right:-1px; border-left:none; border-bottom:none; }
.frame-corners span:nth-child(3){ bottom:-1px; left:-1px; border-right:none; border-top:none; }
.frame-corners span:nth-child(4){ bottom:-1px; right:-1px; border-left:none; border-top:none; }
.about-media:hover .frame-corners span,
.service-card:hover .frame-corners span{ opacity:1; width:28px; height:28px; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid{
  display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 88px; align-items:center;
}
.about-media{ position:relative; }
.about-photo{
  aspect-ratio: 4/5; border-radius: var(--radius-l);
  background:
    linear-gradient(160deg, rgba(0,87,59,.9), rgba(0,59,41,.96)),
    repeating-linear-gradient(45deg, rgba(245,247,248,.06) 0 2px, transparent 2px 26px);
  box-shadow: var(--shadow-l);
  position:relative; overflow:hidden;
}
.about-photo::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(245,247,248,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,247,248,.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.about-badge{
  position:absolute; left:-24px; bottom: 34px;
  background: var(--branco);
  border-radius: var(--radius-m);
  padding: 18px 22px;
  box-shadow: var(--shadow-m);
  display:flex; flex-direction:column;
}
.about-badge strong{ font-size:1.7rem; font-weight:700; color: var(--verde-principal); line-height:1; }
.about-badge span{ font-size:0.78rem; color:#555; margin-top:6px; max-width:130px; }

.about-text{ color:#444; line-height:1.75; font-weight:300; font-size:1.02rem; margin-bottom: 18px; max-width: 540px; }
.about-cards{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-top: 30px; }
.mini-card{
  display:flex; align-items:center; gap:12px;
  padding: 16px 18px;
  background: var(--cinza-claro);
  border-radius: var(--radius-s);
  font-size:0.9rem; font-weight:500;
  transition: background .3s, transform .3s;
}
.mini-card:hover{ background: var(--verde-suave); transform: translateY(-2px); }
.mini-card svg{ width:20px; height:20px; color: var(--verde-principal); flex-shrink:0; }

/* ==========================================================================
   Services
   ========================================================================== */
.services{ background: var(--cinza-claro); }
.service-list{ display:flex; flex-direction:column; gap: 40px; }
.service-card{
  position:relative;
  display:grid; grid-template-columns: 0.85fr 1.15fr;
  background: var(--branco);
  border-radius: var(--radius-l);
  overflow:hidden;
  box-shadow: var(--shadow-m);
  transition: box-shadow .35s var(--ease), transform .35s var(--ease);
}
.service-card:hover{ box-shadow: var(--shadow-l); transform: translateY(-4px); }
.service-card:nth-child(2){ grid-template-columns: 1.15fr 0.85fr; }
.service-card:nth-child(2) .service-media{ order:2; }

.service-media{
  position:relative; min-height: 320px;
  display:flex; align-items:flex-end; padding: 24px;
}
.service-media--poste{
  background:
    linear-gradient(180deg, rgba(0,20,13,.15), rgba(0,20,13,.55)),
    repeating-linear-gradient(115deg, rgba(245,247,248,.06) 0 1px, transparent 1px 22px),
    linear-gradient(150deg, var(--verde-principal), var(--verde-escuro));
}
.service-media--incendio{
  background:
    linear-gradient(180deg, rgba(0,20,13,.15), rgba(0,20,13,.55)),
    repeating-linear-gradient(-115deg, rgba(245,247,248,.06) 0 1px, transparent 1px 22px),
    linear-gradient(150deg, var(--verde-escuro), var(--verde-principal));
}
.service-index{
  font-family: var(--font-mono); color: rgba(245,247,248,.85);
  font-size:0.78rem; letter-spacing:.14em;
  border: 1px solid rgba(245,247,248,.35);
  padding: 6px 12px; border-radius: 999px;
}
.service-body{ padding: 44px 46px; display:flex; flex-direction:column; }
.service-icon{
  width:52px; height:52px; border-radius: 12px;
  background: var(--verde-suave); color: var(--verde-principal);
  display:flex; align-items:center; justify-content:center; margin-bottom:22px;
}
.service-icon svg{ width:26px; height:26px; }
.service-body h3{ font-size:1.4rem; font-weight:600; line-height:1.3; margin-bottom:16px; }
.service-body > p{ color:#4a4a4a; font-weight:300; line-height:1.7; margin-bottom:24px; }

.benefit-list{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-bottom: 32px; }
.benefit-list li{
  position:relative; padding-left: 26px; font-size:0.92rem; color:#333; font-weight:500;
}
.benefit-list li::before{
  content:"✓"; position:absolute; left:0; top:0;
  color: var(--verde-principal); font-weight:700;
}
.service-body .btn{ align-self:flex-start; margin-top:auto; }

/* ==========================================================================
   Diferenciais
   ========================================================================== */
.differentials{
  background: var(--verde-escuro);
  position:relative; overflow:hidden;
}
.diff-grid-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(245,247,248,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,247,248,.045) 1px, transparent 1px);
  background-size: 56px 56px;
}
.diff-grid{
  position:relative;
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: rgba(245,247,248,.12);
  border-radius: var(--radius-l);
  overflow:hidden;
}
.diff-card{
  background: rgba(0,59,41,.9);
  padding: 46px 32px;
  display:flex; flex-direction:column; gap:20px;
  transition: background .3s;
}
.diff-card:hover{ background: rgba(0,87,59,.95); }
.diff-card svg{ width:30px; height:30px; color: var(--cinza-claro); }
.diff-card h3{ font-size:1.08rem; font-weight:500; color: var(--branco); }

/* ==========================================================================
   Processo (timeline)
   ========================================================================== */
.timeline{ position:relative; display:grid; grid-template-columns: repeat(5,1fr); gap: 28px; }
.timeline-line{
  position:absolute; top:11px; left: 8%; right:8%; height:1px;
  background: repeating-linear-gradient(90deg, var(--cinza-medio) 0 8px, transparent 8px 14px);
  z-index:0;
}
.timeline-step{ position:relative; z-index:1; padding-top: 34px; }
.timeline-step::before{
  content:""; position:absolute; top:0; left:0;
  width:22px; height:22px; border-radius:50%;
  background: var(--branco); border: 2px solid var(--verde-principal);
}
.step-index{ font-family: var(--font-mono); font-size:0.72rem; letter-spacing:.12em; color: var(--verde-principal); display:block; margin-bottom:10px; }
.timeline-step h3{ font-size:1.05rem; font-weight:600; margin-bottom:8px; }
.timeline-step p{ font-size:0.9rem; color:#555; font-weight:300; line-height:1.6; }

/* ==========================================================================
   Números
   ========================================================================== */
.numbers{ padding: 6rem 0; }
.numbers-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align:center; }
.number-item{ padding: 20px; border-right: 1px solid var(--cinza-medio); }
.number-item:last-child{ border-right:none; }
.number-value{ font-family: var(--font-mono); font-size: clamp(2.2rem,4vw,3.2rem); font-weight:600; color: var(--verde-principal); }
.number-plus{ font-family: var(--font-mono); font-size: clamp(1.4rem,2.4vw,2rem); font-weight:600; color: var(--verde-principal); }
.number-item p{ margin-top:10px; font-size:0.92rem; color:#555; font-weight:500; }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta{
  position:relative; overflow:hidden;
  background: var(--verde-principal);
  padding: 7rem 0;
  text-align:center;
}
.cta-grid-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(245,247,248,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,247,248,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, black, transparent 90%);
}
.cta-inner{ position:relative; max-width: 640px; }
.cta h2{ font-size: clamp(1.7rem,3.2vw,2.5rem); color: var(--branco); font-weight:600; margin-bottom:16px; letter-spacing:-0.01em; }
.cta p{ color: rgba(245,247,248,.85); font-weight:300; font-size:1.05rem; margin-bottom: 36px; }

/* ==========================================================================
   Contato
   ========================================================================== */
.contact-cards{ display:grid; grid-template-columns: repeat(3,1fr); gap:22px; margin-bottom: 50px; }
.contact-card{
  padding: 34px 28px; background: var(--cinza-claro); border-radius: var(--radius-m);
  transition: transform .3s, box-shadow .3s;
}
.contact-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-m); }
.contact-card svg{ width:26px; height:26px; color: var(--verde-principal); margin-bottom:16px; }
.contact-card h3{ font-size:1.02rem; font-weight:600; margin-bottom:10px; }
.contact-card p{ font-size:0.92rem; color:#555; line-height:1.6; font-weight:300; }
.contact-card--accent{ background: var(--verde-principal); color: var(--branco); }
.contact-card--accent svg{ color: var(--branco); }
.contact-card--accent h3{ color: var(--branco); margin-bottom:16px; }

.map-frame{ border-radius: var(--radius-l); overflow:hidden; box-shadow: var(--shadow-m); line-height:0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--verde-escuro); color: rgba(245,247,248,.85); padding-top: 64px; }
.footer-inner{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; padding-bottom: 46px; }
.footer-brand .brand{ color: var(--branco); }
.footer-brand p{ margin-top:12px; font-size:0.88rem; color: rgba(245,247,248,.6); font-weight:300; }
.footer-nav{ display:flex; gap:26px; }
.footer-nav a{ font-size:0.92rem; color: rgba(245,247,248,.75); transition: color .3s; }
.footer-nav a:hover{ color: var(--branco); }
.footer-social{ display:flex; gap:14px; }
.footer-social a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(245,247,248,.25);
  display:flex; align-items:center; justify-content:center;
  transition: background .3s, border-color .3s;
}
.footer-social a:hover{ background: rgba(245,247,248,.12); border-color: rgba(245,247,248,.5); }
.footer-social svg{ width:17px; height:17px; }
.footer-bottom{ border-top: 1px solid rgba(245,247,248,.12); padding: 22px 0; }
.footer-bottom p{ font-size:0.8rem; color: rgba(245,247,248,.55); text-align:center; }

/* ==========================================================================
   WhatsApp flutuante
   ========================================================================== */
.whatsapp-float{
  position: fixed; right: 24px; bottom: 24px; z-index: 400;
  width: 58px; height:58px; border-radius:50%;
  background: var(--verde-principal); color: var(--branco);
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-l);
  transition: transform .3s var(--ease), background .3s;
  animation: floatPulse 2.6s ease-in-out infinite;
}
.whatsapp-float:hover{ background: var(--verde-escuro); transform: scale(1.08); }
.whatsapp-float svg{ width:26px; height:26px; }
@keyframes floatPulse{
  0%,100%{ box-shadow: var(--shadow-l), 0 0 0 0 rgba(0,87,59,.35); }
  50%{ box-shadow: var(--shadow-l), 0 0 0 10px rgba(0,87,59,0); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px){
  .about-grid{ grid-template-columns: 1fr; gap: 56px; }
  .about-media{ max-width: 420px; margin: 0 auto; }
  .service-card, .service-card:nth-child(2){ grid-template-columns: 1fr; }
  .service-card:nth-child(2) .service-media{ order:0; }
  .service-media{ min-height: 220px; }
  .diff-grid{ grid-template-columns: repeat(2,1fr); }
  .timeline{ grid-template-columns: repeat(2,1fr); }
  .timeline-line{ display:none; }
  .numbers-grid{ grid-template-columns: repeat(2,1fr); row-gap: 40px; }
  .number-item:nth-child(2){ border-right:none; }
  .contact-cards{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  .main-nav{ display:none; }
  .menu-toggle{ display:flex; }
  .header-actions .btn-ghost{ display:none; }
}

@media (max-width: 640px){
  .container{ padding: 0 22px; }
  .section{ padding: 5rem 0; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ width:100%; }
  .about-cards{ grid-template-columns: 1fr; }
  .benefit-list{ grid-template-columns: 1fr; }
  .diff-grid{ grid-template-columns: 1fr; }
  .timeline{ grid-template-columns: 1fr; }
  .numbers-grid{ grid-template-columns: 1fr; }
  .number-item{ border-right:none; border-bottom: 1px solid var(--cinza-medio); padding-bottom: 24px; }
  .number-item:last-child{ border-bottom:none; }
  .about-badge{ left: 14px; }
  .scroll-cue{ display:none; }
  .service-body{ padding: 32px 26px; }
}