/* RESET & VARIÁVEIS DE COR (Azul ~10% mais claro) */
:root {
  --bg-color: #0e1a2b;          /* Fundo principal */
  --card-bg: #18283e;           /* Fundo dos cartões */
  --card-border: #2a4d80;       /* Borda azulada */
  --accent-blue: #1d9bf0;       /* Azul de destaque/botões */
  --accent-hover: #38a7f1;      /* Hover do azul */
  --text-main: #f1f5f9;         /* Texto claro */
  --text-muted: #94a3b8;        /* Texto secundário */
  --warning-color: #fbbf24;     /* Amarelo de alerta */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

/* HEADER / NAVEGAÇÃO */
header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
}

.logo span {
  color: var(--accent-blue);
}

nav a {
  color: var(--text-main);
  text-decoration: none;
  margin-left: 1.5rem;
  transition: color 0.3s;
}

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

/* CONTAINER PRINCIPAL */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* HERO SECTION */
.hero {
  text-align: center;
  padding: 3rem 1rem;
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 1.5rem auto;
}

.btn-primary {
  display: inline-block;
  background-color: var(--accent-blue);
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

/* ALERT BOX */
.alert-box {
  background-color: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--warning-color);
  color: var(--warning-color);
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin: 2rem 0;
}

/* SERVIÇOS GRID */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.service-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.5rem;
}

.service-card h3 {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* PREÇOS GRID */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.price-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.price-card h3 {
  font-size: 1.3rem;
}

.price-card .price {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent-blue);
  margin: 0.5rem 0;
}

/* FORMULÁRIO */
.form-container {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 2rem;
  max-width: 600px;
  margin: 3rem auto;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  background-color: var(--bg-color);
  color: #fff;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.checkbox-group input {
  margin-top: 0.2rem;
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  border-top: 1px solid var(--card-border);
  font-size: 0.9rem;
}