: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;
}

/* * ESTILO BASE DO BODY
 * padding-top define o espaço para o header fixo no desktop (80px)
 */
body {
  font-family: 'Roboto', sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-top: 80px;
}

/* ===========================
   HEADER & NAV (DESKTOP)
=========================== */

/* HEADER */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  /* Altura padrão no desktop */
  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;
  /* Altura ao rolar */
  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);
}

/* Oculta o botão hambúrguer em telas grandes */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary);
  background: none;
  border: none;
  z-index: 1100;
}

/* Menu de navegação (desktop) */
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 & CONTEÚDO (Geral)
=========================== */

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

.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: #00709d;
  /* Ajuste para uma cor de hover mais coesa */
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

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

.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;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

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

.cta-contact {
  display: block;
  /* Alterado para block para ocupar a linha */
  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 (MEDIA QUERIES)
=========================== */

/* Ajustes Gerais para Telas Médias */
@media (max-width: 1200px) {
  .nav-container {
    padding: 0 1rem;
  }

  .hero,
  .container {
    padding: 0 1rem;
  }
}

/* Ajustes para Telas de Tablet (Hero e Colunas) */
@media (max-width: 980px) {
  .hero {
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-left {
    padding: 2rem;
    min-height: 280px;
    text-align: center;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-right {
    width: 100%;
  }

  .container {
    flex-direction: column;
    gap: 1.5rem;
  }

  .aside {
    width: 100%;
    position: static;
    /* Remove sticky no mobile */
  }

  .aside .card {
    position: static;
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}

/* Ajustes Finais para Mobile (Menu e Header) */
@media (max-width: 780px) {

  /* CORREÇÃO CRÍTICA: Ajusta o padding-top do body para o mobile */
  body {
    padding-top: 70px;
    /* <--- Altura do header mobile */
  }

  /* Padroniza a altura do header no mobile */
  header,
  header.scrolled {
    height: 70px;
  }

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

  /* ESCONDE a navegação no layout horizontal */
  nav ul {
    /* Transforma em menu vertical escondido */
    position: absolute;
    top: 70px;
    /* <--- Deve ser igual à altura do header (70px) */
    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;

    /* Animação para "abrir" o menu */
    max-height: 0;
    opacity: 0;
    padding: 0;
    transition: all 0.3s ease;
  }

  /* Classe .open que o JavaScript adiciona para MOSTRAR o menu */
  nav ul.open {
    max-height: 600px;
    opacity: 1;
    padding: 1rem 0;
    overflow: visible;
  }

  /* Estilo dos links dentro do menu mobile */
  nav ul li {
    width: 100%;
    text-align: center;
  }

  nav ul li a {
    display: block;
    width: 100%;
    padding: 12px 0;
    color: var(--primary);
    font-weight: 600;
  }

  nav ul li a:hover {
    background: #e9ecef;
  }

  nav ul li a::after {
    /* Remove o sublinhado animado no mobile */
    display: none;
  }
}

/* ===========================
   IMAGENS & FOOTER
=========================== */

img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  footer {
    padding: 2.5rem 1rem;
    text-align: center;
  }

  footer small {
    display: block;
    font-size: .95rem;
    line-height: 1.5;
  }
}