/* =========================================================
   PedroDev — Landing Page
   Mobile-first | CSS3 moderno | Performance
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --azul:        #0066FF;
  --azul-escuro: #0047B3;
  --azul-claro:  #4D94FF;
  --verde-wpp:   #25D366;
  --verde-wpp-h: #1da851;

  --preto:   #0A0F1C;
  --grafite: #131A2B;
  --cinza:   #5A647A;
  --cinza-c: #9AA3B8;
  --linha:   #E6E9F0;
  --fundo:   #FFFFFF;
  --fundo-2: #F5F7FB;
  --branco:  #FFFFFF;

  --raio:    16px;
  --raio-sm: 10px;
  --sombra:    0 10px 30px rgba(10, 15, 28, .08);
  --sombra-ft: 0 18px 40px rgba(0, 102, 255, .25);

  --max: 1160px;
  --fonte: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transicao: .25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--fonte);
  color: var(--preto);
  background: var(--fundo);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; letter-spacing: -.02em; }

::selection { background: var(--azul); color: #fff; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.container-narrow { max-width: 800px; }

.section { padding: 72px 0; }
.section-alt { background: var(--fundo-2); }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.7rem, 5vw, 2.6rem); margin: 10px 0 16px; }
.section-head p { color: var(--cinza); font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--azul);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 700; font-size: .98rem; line-height: 1;
  padding: 14px 26px; border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: var(--transicao); white-space: nowrap;
  font-family: inherit;
}
.btn-lg { padding: 17px 34px; font-size: 1.05rem; }

.btn-primary {
  background: var(--verde-wpp); color: #fff;
  box-shadow: 0 8px 22px rgba(37, 211, 102, .35);
}
.btn-primary:hover { background: var(--verde-wpp-h); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37, 211, 102, .45); }

.btn-ghost { background: transparent; color: var(--preto); border-color: var(--linha); }
.btn-ghost:hover { border-color: var(--azul); color: var(--azul); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--linha);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.logo { font-size: 1.4rem; font-weight: 900; letter-spacing: -.03em; color: var(--preto); }
.logo span { color: var(--azul); }

.nav-desktop { display: none; gap: 30px; }
.nav-desktop a { font-weight: 600; color: var(--cinza); font-size: .98rem; transition: var(--transicao); }
.nav-desktop a:hover { color: var(--azul); }

.btn-nav { display: none; padding: 11px 22px; }

/* Hamburguer */
.menu-toggle { background: none; border: 0; width: 40px; height: 40px; display: flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { display: block; height: 3px; width: 24px; background: var(--preto); border-radius: 3px; transition: var(--transicao); }
.menu-toggle.aberto span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.aberto span:nth-child(2) { opacity: 0; }
.menu-toggle.aberto span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Menu mobile */
.nav-mobile {
  display: flex; flex-direction: column; gap: 6px;
  background: #fff; border-bottom: 1px solid var(--linha);
  padding: 0 22px; overflow: hidden;
  max-height: 0; transition: max-height .35s ease, padding .35s ease;
}
.nav-mobile.aberto { max-height: 420px; padding: 14px 22px 22px; }
.nav-mobile a:not(.btn) { padding: 12px 4px; font-weight: 600; color: var(--preto); border-bottom: 1px solid var(--fundo-2); }
.nav-mobile .btn { margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(0,102,255,.12), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--fundo-2) 100%);
  padding: 60px 0 76px;
}
.hero-inner { max-width: 880px; margin: 0 auto; text-align: center; }

.badge {
  display: inline-block; background: rgba(0,102,255,.1); color: var(--azul);
  font-weight: 700; font-size: .85rem; padding: 8px 16px; border-radius: 50px;
  margin-bottom: 22px;
}

.hero h1 { font-size: clamp(1.9rem, 6vw, 3.4rem); font-weight: 900; margin-bottom: 22px; }
.hero h1 strong { color: var(--azul); }
.hero h1 .destaque {
  background: linear-gradient(120deg, var(--verde-wpp), #11c95c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.hero-sub { font-size: 1.12rem; color: var(--cinza); max-width: 660px; margin: 0 auto 34px; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center;
  margin-top: 30px; color: var(--cinza); font-weight: 600; font-size: .92rem;
}

.ico-wpp { flex-shrink: 0; }

/* ---------- Cards de soluções ---------- */
.grid-cards { display: grid; grid-template-columns: 1fr; gap: 24px; }

.card {
  position: relative; background: #fff; border: 1px solid var(--linha);
  border-radius: var(--raio); padding: 34px 28px;
  transition: var(--transicao);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: transparent; }

.card-ico { font-size: 2.4rem; margin-bottom: 16px; }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.card > p { color: var(--cinza); margin-bottom: 18px; }

.card-list { display: grid; gap: 9px; }
.card-list li { position: relative; padding-left: 26px; font-size: .95rem; font-weight: 500; }
.card-list li::before { content: "✓"; position: absolute; left: 0; color: var(--verde-wpp); font-weight: 800; }

.card-destaque {
  background: linear-gradient(160deg, var(--preto), var(--grafite));
  color: #fff; border-color: transparent; box-shadow: var(--sombra-ft);
}
.card-destaque h3, .card-destaque p { color: #fff; }
.card-destaque .card-list li { color: #d7deeb; }
.card-tag {
  position: absolute; top: 18px; right: 18px;
  background: var(--azul); color: #fff; font-size: .72rem; font-weight: 700;
  padding: 5px 12px; border-radius: 50px; text-transform: uppercase; letter-spacing: .05em;
}

/* ---------- Diferencial ---------- */
.diferencial-inner { display: grid; grid-template-columns: 1fr; gap: 44px; align-items: center; }
.diferencial-texto h2 { font-size: clamp(1.7rem, 5vw, 2.5rem); margin: 12px 0 18px; }
.diferencial-texto p { color: var(--cinza); margin-bottom: 16px; font-size: 1.05rem; }
.diferencial-texto strong { color: var(--preto); }
.diferencial-texto .btn { margin-top: 10px; }

.diferencial-metricas { display: grid; gap: 18px; }
.metrica {
  background: #fff; border: 1px solid var(--linha); border-radius: var(--raio);
  padding: 26px 28px; text-align: left; transition: var(--transicao);
}
.metrica:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.metrica strong { display: block; font-size: 2.6rem; font-weight: 900; color: var(--azul); line-height: 1; }
.metrica span { display: block; font-weight: 700; margin: 8px 0 4px; }
.metrica small { color: var(--cinza); font-size: .92rem; }

/* ---------- Projetos ---------- */
.grupo-titulo { font-size: 1.35rem; margin: 18px 0 22px; }
.grupo-titulo + .grid-projetos { margin-bottom: 46px; }

.grid-projetos { display: grid; grid-template-columns: 1fr; gap: 24px; }

.projeto {
  background: #fff; border: 1px solid var(--linha); border-radius: var(--raio);
  overflow: hidden; transition: var(--transicao);
}
.projeto:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: transparent; }

.projeto-thumb { height: 150px; background: var(--azul); position: relative; }
.projeto-thumb-1 { background: linear-gradient(135deg, #0066FF, #4D94FF); }
.projeto-thumb-2 { background: linear-gradient(135deg, #7C3AED, #C084FC); }
.projeto-thumb-3 { background: linear-gradient(135deg, #F97316, #FBBF24); }
.projeto-thumb-4 { background: linear-gradient(135deg, #059669, #34D399); }
.projeto-thumb-5 { background: linear-gradient(135deg, #0EA5E9, #38BDF8); }
.projeto-thumb-6 { background: linear-gradient(135deg, #DB2777, #F472B6); }

.projeto-body { padding: 24px 24px 28px; }
.projeto-cat {
  display: inline-block; background: var(--fundo-2); color: var(--azul);
  font-size: .76rem; font-weight: 700; padding: 5px 12px; border-radius: 50px;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px;
}
.projeto h4 { font-size: 1.18rem; margin-bottom: 10px; }
.projeto-body p { color: var(--cinza); font-size: .95rem; margin-bottom: 8px; }
.projeto-body strong { color: var(--preto); }

.projetos-cta { text-align: center; margin-top: 18px; }
.projetos-cta p { font-size: 1.15rem; font-weight: 700; margin-bottom: 18px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--linha); border-radius: var(--raio-sm); overflow: hidden; transition: var(--transicao); }
.faq-item:hover { border-color: var(--azul-claro); }

.faq-pergunta {
  width: 100%; background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 22px; text-align: left;
  font-family: inherit; font-size: 1.05rem; font-weight: 700; color: var(--preto);
}
.faq-ico { position: relative; flex-shrink: 0; width: 18px; height: 18px; }
.faq-ico::before, .faq-ico::after {
  content: ""; position: absolute; background: var(--azul); border-radius: 2px;
  transition: var(--transicao);
}
.faq-ico::before { top: 8px; left: 0; width: 18px; height: 3px; }
.faq-ico::after  { top: 0; left: 8px; width: 3px; height: 18px; }
.faq-item.ativo .faq-ico::after { transform: rotate(90deg); opacity: 0; }

.faq-resposta { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-resposta p { padding: 0 22px 22px; color: var(--cinza); }

/* ---------- Rodapé ---------- */
.site-footer { background: var(--preto); color: #c3cad8; }
.footer-inner {
  display: grid; grid-template-columns: 1fr; gap: 38px;
  padding: 60px 22px 46px;
}
.logo-footer { color: #fff; font-size: 1.5rem; display: inline-block; margin-bottom: 14px; }
.footer-marca p { color: var(--cinza-c); max-width: 320px; }

.footer-nav h4, .footer-cta h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: var(--cinza-c); transition: var(--transicao); width: fit-content; }
.footer-nav a:hover { color: #fff; }

.footer-cta p { color: var(--cinza-c); margin-bottom: 16px; }

.footer-base { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; }
.footer-base p { color: var(--cinza-c); font-size: .88rem; text-align: center; }

/* ---------- Botão flutuante WhatsApp ---------- */
.wpp-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--verde-wpp); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .5);
  transition: var(--transicao);
  animation: pulso 2.4s infinite;
}
.wpp-float:hover { background: var(--verde-wpp-h); transform: scale(1.08); }

@keyframes pulso {
  0%   { box-shadow: 0 8px 24px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,.45); }
  70%  { box-shadow: 0 8px 24px rgba(37,211,102,.5), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Animação de entrada (revelar ao rolar) ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visivel { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (min-width: 640px) {
  .grid-cards   { grid-template-columns: repeat(2, 1fr); }
  .grid-projetos { grid-template-columns: repeat(2, 1fr); }
  .diferencial-metricas { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (min-width: 900px) {
  .section { padding: 96px 0; }
  .grid-cards   { grid-template-columns: repeat(3, 1fr); }
  .grid-projetos { grid-template-columns: repeat(3, 1fr); }
  .diferencial-inner { grid-template-columns: 1.05fr .95fr; gap: 60px; }
  .diferencial-metricas { grid-template-columns: 1fr; }

  .nav-desktop { display: flex; }
  .btn-nav { display: inline-flex; }
  .menu-toggle { display: none; }
}

/* ---------- Acessibilidade: reduzir movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}