/* ---------- Tokens ---------- */
:root {
  --color-text: #0F172A;
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-accent: #06B6D4;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-border: #E2E8F0;
  --font-base: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max-width: 1120px;
}

/* ---------- Reset ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-bg-alt);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a:not(.btn) {
  font-weight: 500;
}

.site-nav a:not(.btn):hover {
  color: var(--color-primary);
}

.social-link {
  display: inline-flex;
  align-items: center;
  color: #64748B;
}

.social-link:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 1rem;
  max-width: 40ch;
  margin-inline: auto;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #475569;
  max-width: 55ch;
  margin: 0 auto 2rem;
}

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

/* ---------- Sections ---------- */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section h2 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.section-lead {
  color: #475569;
}

.cta-final {
  text-align: center;
}

.cta-region {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #64748B;
}

/* ---------- Serviços ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
}

.service-card h3 {
  margin: 0.5rem 0;
}

.service-card p {
  color: #475569;
  margin: 0;
}

.service-icon {
  font-size: 2rem;
}

.service-card-highlight {
  border: 2px solid var(--color-accent);
  background: linear-gradient(160deg, #ECFEFF, var(--color-bg) 60%);
}

.service-badge {
  position: absolute;
  top: -0.75rem;
  right: 1.25rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  margin-top: 2rem;
}

.diff-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.diff-item p {
  margin: 0;
  color: #475569;
}

/* ---------- Como funciona ---------- */
.steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.steps li {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

.steps h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.steps p {
  margin: 0;
  color: #475569;
}

/* ---------- FAQ ---------- */
.faq-list {
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font: inherit;
  font-weight: 600;
  padding: 1.25rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-left: 1rem;
}

.faq-question[aria-expanded="true"]::after {
  content: "\2212";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.faq-answer p {
  margin: 0 0 1.25rem;
  color: #475569;
}

.faq-item.is-open .faq-answer {
  max-height: 12rem;
}

/* ---------- Legal pages ---------- */
.legal-content h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

.legal-content p {
  color: #475569;
}

.legal-content code {
  background: var(--color-bg-alt);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  background: #25D366;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 40;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    gap: 1rem;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
}