/* ==========================================================================
   MARCANTI — Landing Page
   Organizada por seção. Refatoração CRO: formulário removido (conversão
   agora é 100% via WhatsApp), CTA verde padrão WhatsApp (.btn-cta) repetido
   em cada dobra, hero com imagem única fluida, seção de depoimentos e
   seção de fechamento pré-rodapé.
   ========================================================================== */

/* ---------- Variáveis globais / reset ---------- */
:root{
  --concrete: #B9B5AC;
  --concrete-light: #E8E5DD;
  --charcoal: #232220;
  --steel: #6B6862;
  --off-white: #F3F1EA;
  --safety: #E1531C;
  --blueprint: #1B3A4B;
  --blueprint-light: #2F5670;
  --line: rgba(35,34,32,0.14);
  --whatsapp: #25D366;
  --whatsapp-dark: #1DA851;
  --font-display: 'Archivo Black', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--off-white);
  color:var(--charcoal);
  line-height:1.5;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--font-mono);
  text-transform:uppercase;
  letter-spacing:0.12em;
  font-size:12px;
  color:var(--safety);
  display:flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:'';
  width:18px;height:1px;
  background:var(--safety);
}

/* ---------- Header / navegação ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(243,241,234,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:18px 0;
}
.logo{
  display:flex;
  align-items:center;
}
.logo img{
  height:44px;
  width:auto;
  display:block;
}
.nav-links{display:flex;gap:36px;align-items:center;}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--steel);
  transition:color .2s;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-links a:hover{color:var(--charcoal);}
.btn{
  font-family:var(--font-mono);
  font-size:13px;font-weight:500;
  letter-spacing:0.02em;
  padding:12px 22px;
  border:1.5px solid var(--charcoal);
  background:var(--charcoal);
  color:var(--off-white);
  cursor:pointer;
  transition:transform .15s ease, background .15s ease;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{background:var(--safety);border-color:var(--safety);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--charcoal);}
.btn-outline:hover{background:var(--charcoal);color:var(--off-white);}

/* Botão "Solicitar Orçamento" — usado em todas as dobras da página, sempre
   apontando para o WhatsApp (ver .js-whatsapp-cta / WHATSAPP_URL no app.js).
   Cor verde padrão WhatsApp a pedido do CRO. */
.btn-cta{
  border-color:var(--whatsapp);
  background:var(--whatsapp);
  color:#fff;
}
.btn-cta svg{width:18px;height:18px;fill:currentColor;}
.btn-cta:hover{background:var(--whatsapp-dark);border-color:var(--whatsapp-dark);transform:translateY(-1px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:96px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom, black, transparent 85%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(36px,5.4vw,62px);
  line-height:1.03;
  letter-spacing:-0.01em;
  margin:18px 0 20px;
}
h1 em{
  font-style:normal;
  color:var(--safety);
}
.hero p.lead{
  font-size:17px;
  color:var(--steel);
  max-width:480px;
  margin-bottom:32px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.spec-tag{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--steel);
  display:flex;gap:20px;margin-top:36px;flex-wrap:wrap;
}
.spec-tag div{display:flex;align-items:center;gap:6px;}
.spec-tag .dot{width:6px;height:6px;background:var(--safety);border-radius:50%;}

/* ---------- Cartão de fotos do hero ---------- */
.diagram-card{
  background:var(--charcoal);
  border:1px solid var(--charcoal);
  position:relative;
  padding:28px 24px 22px;
  color:var(--off-white);
}
.diagram-card .diagram-label{
  font-family:var(--font-mono);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.1em;
  color:var(--concrete);
  display:flex;justify-content:space-between;
  margin-bottom:16px;
}
.diagram-card svg{width:100%;height:auto;}

/* Grid de fotos da Hero — 1 foto principal + 2 fotos menores, todas em alta
   resolução, sem filtro de cor (para não perder qualidade/fidelidade). */
.hero-photo-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:6px;
  height:440px;
}
.hero-photo-main{
  grid-row:1 / 3;
  overflow:hidden;
  border:1px solid rgba(243,241,234,0.15);
}
.hero-photo-sub{
  overflow:hidden;
  border:1px solid rgba(243,241,234,0.15);
}
.hero-photo-grid img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.diagram-caption{
  display:flex;justify-content:space-between;
  font-family:var(--font-mono);
  font-size:10.5px;
  color:var(--concrete);
  margin-top:14px;
  letter-spacing:0.04em;
}

/* ---------- Cabeçalhos de seção ---------- */
.section{padding-top:88px;padding-bottom:88px;}
.section-head{
  display:flex;justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:48px;
  border-bottom:1px solid var(--line);
  padding-bottom:24px;
}
.section-head h2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(28px,3.8vw,40px);
  letter-spacing:-0.01em;
  margin-top:10px;
}
.section-head h2 em{
  font-style:normal;
  color:var(--safety);
}
.section-head p{color:var(--steel);max-width:420px;font-size:14.5px;}

/* ---------- Produtos ---------- */
.products{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.product-card{
  background:var(--off-white);
  padding:32px 28px 30px;
  display:flex;flex-direction:column;
  transition:background .2s;
}
.product-card:hover{background:var(--concrete-light);}
.product-index{
  font-family:var(--font-mono);
  font-size:12px;color:var(--safety);margin-bottom:18px;
}
.product-card svg{height:120px;margin-bottom:22px;}
.product-photo{
  height:180px;
  overflow:hidden;
  margin-bottom:22px;
  border:1px solid var(--line);
}
.product-photo img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  filter:grayscale(0.1) contrast(1.05);
  transition:transform .4s ease;
}
.product-card:hover .product-photo img{transform:scale(1.04);}
.product-photo-flat{
  height:140px;
}
.product-photo-flat img{
  width:100%;height:100%;
  object-fit:contain;
  filter:none;
}
.product-card:hover .product-photo-flat img{transform:scale(1.06);}
.product-card h3{
  font-family:var(--font-display);
  font-size:19px;
  margin-bottom:10px;
  text-transform:uppercase;
  letter-spacing:0.01em;
}
.product-card p{font-size:14px;color:var(--steel);margin-bottom:18px;flex-grow:1;}
.product-specs{
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--charcoal);
  border-top:1px dashed var(--line);
  padding-top:14px;
  display:flex;flex-direction:column;gap:6px;
}
.product-specs span{color:var(--steel);}

/* ---------- Diferenciais (why) ---------- */
.why{
  background:var(--blueprint);
  color:var(--off-white);
}
.why .section-head{border-bottom-color:rgba(255,255,255,0.15);}
.why .section-head p{color:#B9CAD3;}
.why-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px;
}
.why-item{
  border-top:1px solid rgba(255,255,255,0.22);
  padding-top:20px;
}
.why-item .num{
  font-family:var(--font-mono);
  font-size:12px;
  color:#7FA9BD;
  margin-bottom:14px;
  display:block;
}
.why-item h4{
  font-family:var(--font-display);
  font-size:17px;
  margin-bottom:10px;
  text-transform:uppercase;
}
.why-item p{font-size:14px;color:#C9D6DC;}

/* ---------- CTA de fim de seção (repetido em cada dobra) ---------- */
.section-cta{
  margin-top:56px;
  padding-top:40px;
  border-top:1px solid var(--line);
  text-align:center;
}
.section-cta p{color:var(--steel);font-size:15px;margin-bottom:18px;}
.why .section-cta{border-top-color:rgba(255,255,255,0.15);}
.why .section-cta p{color:#C9D6DC;}

/* ---------- Depoimentos (prova social / Google) ---------- */
.testimonials{
  padding:88px 0;
}
/* O CTA desta seção fica fora do painel azul-marinho, direto sobre o fundo
   claro da página — por isso usa texto escuro e maior (não a cor clara
   herdada de .why, que ficava quase invisível aqui). */
.testimonials .section-cta{border-top-color:var(--line);}
.testimonials .section-cta p{
  color:var(--charcoal);
  font-weight:700;
  font-size:17px;
}
.testimonials-panel{
  background:var(--blueprint);
  border-radius:20px;
  padding:56px 48px 64px;
}
.testimonials-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  color:var(--off-white);
  text-align:center;
  max-width:620px;
  margin:0 auto 40px;
}
.testimonials-title em{
  font-style:normal;
  color:var(--safety);
}
.testimonial-track-wrap{position:relative;}
.testimonial-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.testimonial-track::-webkit-scrollbar{display:none;}
.testimonial-card{
  flex:0 0 100%;
  scroll-snap-align:start;
  background:var(--off-white);
  color:var(--charcoal);
  border-radius:12px;
  padding:26px 24px;
  display:flex;flex-direction:column;
  box-shadow:0 10px 26px rgba(0,0,0,0.22);
}
.stars{display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.google-g{width:20px;height:20px;flex-shrink:0;}
.star-rating{color:#F5B942;letter-spacing:2px;font-size:14px;}
.testimonial-card p{
  font-size:13.5px;
  font-style:italic;
  color:var(--steel);
  line-height:1.65;
  flex-grow:1;
  margin-bottom:20px;
}
.testimonial-name{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:12.5px;
  color:var(--blueprint);
  text-align:center;
}
.testimonial-next{
  position:absolute;
  top:50%;
  right:-18px;
  transform:translateY(-50%);
  width:42px;height:42px;
  border-radius:50%;
  border:none;
  background:var(--off-white);
  color:var(--blueprint);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(0,0,0,0.28);
  transition:background .15s ease, color .15s ease;
}
.testimonial-next svg{width:18px;height:18px;}
.testimonial-next:hover{background:var(--safety);color:#fff;}

@media (min-width:640px){
  .testimonial-card{flex-basis:calc((100% - 20px)/2);}
}
@media (min-width:900px){
  .testimonial-card{flex-basis:calc((100% - 40px)/3);}
}

/* ---------- Seção de fechamento (pré-rodapé) ---------- */
.closing-cta{
  background:var(--charcoal);
  color:var(--off-white);
  padding:96px 0;
  text-align:center;
}
.closing-cta-inner{max-width:640px;margin:0 auto;display:flex;flex-direction:column;align-items:center;}
.closing-cta h2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.15;
  margin-bottom:20px;
}
.closing-cta p{color:var(--concrete);font-size:15.5px;margin-bottom:32px;}
.closing-cta .btn-cta{padding:16px 32px;font-size:14px;}

/* ---------- Footer ---------- */
footer{
  padding:40px 0;
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;
}
footer .logo img{height:32px;}
.footer-meta{
  font-family:var(--font-mono);
  font-size:12px;color:var(--steel);
  text-align:right;
}

/* ==========================================================================
   MEDIA QUERIES — mobile-first refinement
   ========================================================================== */

/* Nível tablet (≤860px) — igual ao original */
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr;}
  .products{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
}

/* Nível celular (≤600px) — NOVO, ajustado para tráfego de campanhas mobile
   (ex: TikTok Ads). Reduz respiros/paddings grandes demais para telas
   pequenas e evita que o grid de fotos do hero fique espremido/cortado. */
@media (max-width:600px){
  .wrap{padding:0 20px;}
  .nav{padding:14px 0;}
  .logo img{height:36px;}
  .section{padding-top:56px;padding-bottom:56px;}
  .closing-cta{padding:56px 0;}
  .hero{padding:64px 0 40px;}
  .hero-photo-grid{height:300px;}
  .hero-ctas{flex-direction:column;align-items:stretch;}
  .hero-ctas .btn{justify-content:center;}
  .spec-tag{gap:12px;row-gap:8px;margin-top:24px;}
  .product-photo-flat{height:120px;}
  .why-grid{gap:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-cta{margin-top:40px;padding-top:28px;}
  .testimonials-panel{padding:40px 20px 48px;border-radius:16px;}
  .testimonial-next{right:6px;width:36px;height:36px;}
  .footer-inner{flex-direction:column;text-align:center;gap:14px;}
  .footer-meta{text-align:center;}
}

/* Telas bem estreitas (≤400px, ex: iPhone 375/390, Android 360/375) — o botão
   "Solicitar Orçamento" do cabeçalho quebrava em duas linhas espremidas ao
   lado da logo nesses tamanhos. Encurta o texto para "Orçamento" e reduz o
   botão para caber numa linha só. */
@media (max-width:400px){
  .nav-cta{padding:9px 14px;font-size:12px;gap:6px;}
  .nav-cta svg{width:15px;height:15px;}
  .nav-cta-word{display:none;}
}