:root {
  --primary: #005f87;
  --accent: #005f87;
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #263238;
  --radius: 12px;
  --maxw: 1200px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: 'Roboto', sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  /* Ajuste de 80px para o header desktop */
  padding-top: 80px;
}

/* ===========================
   HEADER & NAV (Versão Desktop)
=========================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
  z-index: 1000;
}

header.scrolled {
  height: 70px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.nav-container {
  width: 100%;
  max-width: var(--maxw);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
}

/* Botão Hambúrguer (Oculto no Desktop) */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary);
  background: none;
  border: none;
  z-index: 1100;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.8rem;
}

nav ul li a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color .2s;
}

nav ul li a:hover {
  color: var(--accent);
}

nav ul li a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .3s;
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

/* ===========================
   HERO
=========================== */
.hero {
  max-width: var(--maxw);
  margin: 1.5rem auto;
  display: flex;
  align-items: stretch;
  gap: 2rem;
  padding: 0 1.25rem;
  flex-wrap: wrap;
}

.hero-left {
  flex: 1;
  /* NOTE: O background é definido no <style> do HTML para facilitar a edição */
  border-radius: var(--radius);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  box-shadow: var(--shadow);
  min-height: 360px;
}

.hero-left h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: .5rem;
}

.hero-left p {
  max-width: 60ch;
  margin-bottom: 1.2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  background: var(--accent);
  color: #fff;
  padding: .75rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: background .3s;
}

.btn:hover {
  background: #ff5a5a;
}

.hero-right {
  width: 360px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.6rem;
}

.hero-right h3 {
  color: var(--primary);
  margin-bottom: .8rem;
}

.specs-quick {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.specs-quick .kpi {
  background: #f3f8fb;
  color: var(--primary);
  font-weight: 600;
  padding: .6rem .9rem;
  border-radius: 8px;
}

.hero-right p {
  margin-top: .8rem;
  color: #555;
  line-height: 1.5;
}

/* ===========================
   CONTEÚDO E ASIDE
=========================== */
.container {
  max-width: var(--maxw);
  margin: 2rem auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.container > section {
  flex: 1;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.8rem;
}

h2 {
  color: var(--primary);
  margin-bottom: .6rem;
}

p.subtle {
  color: #555;
  margin-bottom: 1rem;
  line-height: 1.6;
}

hr {
  border: none;
  border-top: 1px solid #e5e5e5;
  margin: 1.5rem 0;
}

ul.check {
  list-style: none;
  padding-left: 0;
}

ul.check li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: .5rem;
  line-height: 1.5;
}

ul.check li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-size: .8rem;
}

/* ASIDE */
.aside {
  width: 360px;
}

.aside .card {
  position: sticky;
  top: 108px;
}

.cta-contact {
  display: block; /* Alterado para block para ocupar 100% da largura do aside card */
  margin-top: .8rem;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: .7rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: background .3s;
}

.cta-contact:hover {
  background: #00709d;
}

/* FOOTER */
footer {
  margin-top: 3rem;
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}

/* ===========================
   RESPONSIVIDADE 📱
=========================== */

/* Ajustes para telas médias (Tablets) */
@media (max-width: 980px) {
  /* Empilhamento de Hero e Conteúdo/Aside */
  .hero,
  .container {
    flex-direction: column;
    gap: 1.5rem;
  }

  /* Faz com que o Hero Right e o Aside ocupem 100% da largura */
  .hero-right,
  .aside {
    width: 100%;
  }

  /* Remove o sticky da barra lateral para que ela flua */
  .aside .card {
    position: static;
    top: auto;
  }

  /* Ajusta o espaçamento interno do hero-left */
  .hero-left {
    padding: 2rem;
  }
  
  /* Melhora o espaçamento de itens rápidos */
  .specs-quick {
      gap: 0.5rem;
  }
}

/* Ajustes para telas pequenas (Mobile) */
@media (max-width: 780px) {
  /* Ajuste do corpo para header menor */
  body {
    padding-top: 70px;
  }

  /* Header Mobile */
  header,
  header.scrolled {
    height: 70px;
  }

  .nav-container {
    padding: 0 1rem;
  }

  /* Exibe botão hambúrguer */
  .menu-toggle {
    display: block;
  }

  /* Menu Mobile Dropdown */
  nav ul {
    position: absolute;
    top: 70px; /* Altura do header mobile */
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    background-color: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);

    flex-direction: column;
    align-items: center;
    gap: 0.8rem;

    /* Estado fechado */
    max-height: 0;
    opacity: 0;
    padding: 0;
    overflow: hidden;
    transition: all 0.3s ease;
  }

  /* Estado aberto (via JS) */
  nav ul.open {
    max-height: 600px;
    opacity: 1;
    padding: 1rem 0;
    overflow: visible;
  }

  nav ul li {
    width: 100%;
    text-align: center;
  }

  nav ul li a {
    display: block;
    width: 100%;
    padding: 10px 0;
    color: var(--text);
  }
  
  nav ul li a:hover {
    background: #e9ecef;
  }

  nav ul li a::after {
    display: none;
  }
}