/* ===================================================================
   Design tokens
   Fonte: system-font-stack (nenhuma requisição externa = carregamento
   instantâneo, sem FOUT/FOIT, e nada para o Google Fonts rastrear).
   Paleta: azul-marinho transmite solidez/confiança (mesmo território
   visual de banco); verde é reservado só para a ação de conversão
   (WhatsApp), pra não competir visualmente com o resto da página.
=================================================================== */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f9;
  --color-text: #1a2333;
  --color-text-muted: #5a6474;
  --color-primary: #0f2a4a;
  --color-primary-light: #17416f;
  --color-accent: #22c55e;
  --color-accent-dark: #16a34a;
  --color-border: #e2e6ec;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(15, 42, 74, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 42, 74, 0.14);

  --max-width: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; color: var(--color-primary); }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ===================== Botões ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-size: 1rem;
}
.btn:hover { transform: translateY(-2px); }

.btn-whatsapp {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow);
}
.btn-whatsapp:hover { background: var(--color-accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.btn-lg { padding: 1.05rem 2rem; font-size: 1.1rem; }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

/* ===================== Header ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  display: block;
}

.nav-menu {
  position: fixed;
  top: 64px;
  left: 0;
  width: 100%;
  height: calc(100vh - 64px);
  z-index: 60;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.5rem 1.25rem;
  gap: 1.1rem;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
}
.nav-menu.is-open { transform: translateX(0); }
.nav-menu a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}
.nav-cta { align-self: stretch; text-align: center; }

/* ===================== Hero ===================== */
.hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
}
.hero-inner { max-width: 760px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: #a9c4e6;
  margin-bottom: 0.75rem;
}
.hero h1 { color: #fff; }
.hero-sub { color: #dbe6f3; font-size: 1.1rem; max-width: 620px; }
.hero-actions {
  margin: 1.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}
.badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #eaf1fa;
}

/* ===================== Sections ===================== */
.section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-lead {
  color: var(--color-text-muted);
  max-width: 640px;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* ===================== Cards de serviço ===================== */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card-pain { color: var(--color-text-muted); }
.card-includes { margin-bottom: 0.4em; }
.card ul { color: var(--color-text-muted); flex-grow: 1; }
.card .btn { align-self: flex-start; margin-top: 0.5rem; }

/* ===================== Portfólio ===================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.portfolio-item p { color: var(--color-text-muted); }
.link-arrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}
.link-arrow:hover { color: var(--color-accent-dark); }
.portfolio-item img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

/* ===================== Como funciona ===================== */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
.step { position: relative; padding-left: 3.25rem; }
.step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.step p { color: var(--color-text-muted); }

/* ===================== Diferenciais ===================== */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.diff-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}
.diff-item p { color: var(--color-text-muted); margin-bottom: 0; }

/* ===================== FAQ ===================== */
.faq-list { max-width: 760px; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.1rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.faq-icon { font-size: 1.3rem; color: var(--color-accent); transition: transform 0.2s ease; }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}
.faq-answer > p { overflow: hidden; margin: 0; color: var(--color-text-muted); }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer > p { padding-bottom: 1.1rem; }
.faq-answer { display: grid; }

/* ===================== Depoimentos ===================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.testimonial {
  background: #fff;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin: 0;
  box-shadow: var(--shadow);
}
.testimonial p { font-style: italic; color: var(--color-text); }
.testimonial footer strong { display: block; color: var(--color-primary); }
.testimonial footer span { color: var(--color-text-muted); font-size: 0.9rem; }

/* ===================== CTA final ===================== */
.cta-final {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  text-align: center;
}
.cta-final h2 { color: #fff; }
.cta-final p { color: #dbe6f3; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-final-inner { display: flex; flex-direction: column; align-items: center; }
.cta-final .hero-actions { justify-content: center; }

.contact-form {
  margin-top: 2.5rem;
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: left;
}
.contact-form-lead {
  color: #dbe6f3;
  font-weight: 600;
  margin-bottom: 1rem;
}
.contact-form-row { margin-bottom: 1rem; }
.contact-form-row label {
  display: block;
  color: #dbe6f3;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.contact-form-row input,
.contact-form-row textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.contact-form .btn { width: 100%; }

/* ===================== Footer ===================== */
.site-footer {
  background: #0b1e35;
  color: #b9c6d8;
  padding: 3rem 0 1.25rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.footer-brand .logo { color: #fff; }
.footer-brand p { color: #b9c6d8; font-size: 0.92rem; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.footer-links a { color: #dbe6f3; text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

/* ===================== WhatsApp flutuante ===================== */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 40;
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ===================================================================
   Breakpoints (mobile-first)
=================================================================== */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-menu {
    position: static;
    flex-direction: row;
    align-items: center;
    transform: none;
    padding: 0;
    border-top: none;
    background: transparent;
    width: auto;
    height: auto;
    overflow: visible;
  }
  .nav-cta { align-self: auto; }

  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .diff-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

@media (min-width: 1024px) {
  .hero { padding: 6rem 0 5rem; }
  .section { padding: 5.5rem 0; }
}

/* Acessibilidade: respeita preferência de menos movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}