:root {
  --blue-dark: #1B2838;
  --blue-accent: #2C3E50;
  --orange: #E67E22;
  --white: #FFFFFF;
  --off-white: #F9FAFB;
  --gray: #7F8C8D;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--off-white);
  color: var(--blue-dark);
  line-height: 1.6;
}

/* --- Header --- */
.header {
  background: linear-gradient(135deg, var(--blue-accent), var(--blue-dark));
  color: var(--white);
  text-align: center;
  padding-bottom: 4rem;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo {
  height: 56px;
}

.btn-nav {
  background: var(--orange);
  color: var(--white);
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}
.btn-nav:hover { opacity: 0.85; }

.hero {
  padding: 4rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: var(--off-white);
  margin-bottom: 2rem;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}
.btn-primary:hover {
  background: #cf6e1b;
  transform: translateY(-2px);
}

/* --- Features --- */
.features {
  text-align: center;
  padding: 5rem 2rem;
  background: var(--off-white);
}

.features h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
}
.icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* --- CTA --- */
.cta {
  text-align: center;
  background: var(--blue-dark);
  color: var(--white);
  padding: 4rem 2rem;
}

.btn-accent {
  background: var(--orange);
  color: var(--white);
  padding: 1rem 2.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  display: inline-block;
  margin-top: 1rem;
  transition: 0.3s;
}
.btn-accent:hover {
  opacity: 0.9;
}

/* --- Footer --- */
.footer {
  background: var(--blue-accent);
  color: var(--off-white);
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

/* --- Responsivo --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }
}