/* styles/index.css */
:root {
  /* Paleta oficial Contabilidade Digital */
  --navy: #043e57;
  --navy-mid: #085170;
  --navy-light: #0d698f;
  --teal: #8ac4d0;
  --teal-light: #a8dbe6;
  --teal-pale: #ebf7f9;
  --teal-ultra: #f4fbfc;
  --teal-dark: #5da1af;
  --teal-mid: #73b7c4;
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
}

/* Reset & base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 100%);
  color: #ffffff;
  line-height: 1.6;
  padding: 2rem;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--teal-light);
}

p {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--teal-pale);
}

section.faq {
  max-width: 800px;
  margin: 0 auto;
}

details {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 1rem;
  padding: 1rem;
  transition: background 0.3s;
}

details[open] {
  background: rgba(255, 255, 255, 0.15);
}

summary {
  font-weight: 500;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--teal-ultra);
}

ul {
  margin-top: 0.8rem;
  margin-left: 1.5rem;
  list-style-type: disc;
}

ul li {
  margin-bottom: 0.4rem;
  color: var(--teal-pale);
}

.cta-section {
  text-align: center;
  margin-top: 2rem;
}

.cta-button {
  background: var(--teal-dark);
  color: #ffffff;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-secondary);
  transition: background 0.3s, transform 0.2s;
}

.cta-button:hover {
  background: var(--teal-mid);
  transform: translateY(-2px);
}

footer {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--teal-pale);
}

footer a {
  color: var(--teal-light);
  text-decoration: underline;
}