/* Home institucional do OkaneLAB - produto SyntARXIS */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --white: #ffffff;
  --light-bg: #f8f9fa;
  --border-color: #e0e0e0;
  --text-primary: #333;
  --text-secondary: #666;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Navbar ---- */
.home-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.home-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

/* Logo pill "OkaneLAB" */
.logo-button {
  display: flex;
  align-items: center;
  padding: 6px 14px;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  text-decoration: none;
  gap: 4px;
}

.logo-text {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: 0.5px;
}

.logo-badge {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

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

.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-color);
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}

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

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, #1e3a5f, var(--primary-color));
  color: var(--white);
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero .container { position: relative; z-index: 1; }

.hero h1 {
  font-size: 42px;
  line-height: 1.2;
  max-width: 640px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  max-width: 560px;
  opacity: 0.95;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-hero-primary {
  background: var(--white);
  color: var(--primary-dark);
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease;
}

.btn-hero-primary:hover { transform: translateY(-2px); }

.btn-hero-secondary {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: var(--white);
  padding: 11px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
}

.btn-hero-secondary:hover { background: rgba(255, 255, 255, 0.12); }

.hero .shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.hero .shape-1 { width: 320px; height: 320px; top: -100px; right: -60px; }
.hero .shape-2 { width: 200px; height: 200px; bottom: -80px; right: 220px; }
.hero .shape-3 { width: 140px; height: 140px; top: 40px; right: 340px; background: rgba(255,255,255,0.05); }

/* ---- Seções ---- */
section { padding: 72px 0; }

section h2 {
  font-size: 30px;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 48px;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.card i {
  font-size: 26px;
  color: var(--primary-color);
  margin-bottom: 14px;
  display: block;
}

.card h3 { font-size: 18px; margin-bottom: 8px; }

.card p { color: var(--text-secondary); font-size: 14px; }

/* ---- Quem somos ---- */
.about-flex {
  display: flex;
  gap: 48px;
  align-items: center;
  flex-wrap: wrap;
}

.about-text { flex: 1; min-width: 280px; }

.about-text h2 { text-align: left; }

.about-text p { color: var(--text-secondary); margin-bottom: 14px; }

.about-highlight {
  flex: 1;
  min-width: 260px;
  background: linear-gradient(135deg, var(--primary-color), #1e3a5f);
  color: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.about-highlight h3 { font-size: 20px; margin-bottom: 10px; }
.about-highlight p { opacity: 0.95; font-size: 15px; }

/* ---- Produtos Syntarxis ---- */
.product-card {
  display: flex;
  flex-direction: column;
}

.product-card .tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: rgba(37, 99, 235, 0.12);
  border-radius: 20px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

.product-card a {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  margin-top: auto;
  padding-top: 12px;
}

.product-card a:hover { text-decoration: underline; }

.product-card a i {
  display: inline;
  font-size: 13px;
  color: inherit;
  margin: 0 0 0 4px;
}

/* ---- Contato ---- */
.contact-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-box p { color: var(--text-secondary); margin-bottom: 24px; }

.contact-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-color);
  color: var(--white);
  padding: 13px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}

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

.btn-contact.outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-contact.outline:hover {
  background: rgba(37, 99, 235, 0.08);
}

.btn-whatsapp {
  background: #25D366;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
}

.btn-whatsapp:hover { background: #1ebe5b; }

.contact-hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ---- Footer ---- */
.home-footer {
  background: #24292e;
  color: #c9d1d9;
  padding: 40px 0 28px;
  font-size: 14px;
}

.home-footer a { color: #c9d1d9; text-decoration: none; }
.home-footer a:hover { color: var(--white); }

.footer-copy {
  border-top: 1px solid #3a4046;
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
  color: #8b949e;
}

/* ---- Animações de entrada por scroll ---- */
[data-animate] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

[data-animate].animate-in .card {
  animation: card-cascade 0.5s ease both;
}

[data-animate].animate-in .card:nth-child(2) { animation-delay: 0.07s; }
[data-animate].animate-in .card:nth-child(3) { animation-delay: 0.14s; }
[data-animate].animate-in .card:nth-child(4) { animation-delay: 0.21s; }
[data-animate].animate-in .card:nth-child(5) { animation-delay: 0.28s; }
[data-animate].animate-in .card:nth-child(6) { animation-delay: 0.35s; }

@keyframes card-cascade {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Marca SyntARXIS ---- */
.brand-hi { color: var(--primary-color); font-style: normal; }

/* ---- Redes sociais ---- */
.about-social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.about-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 18px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.about-social a:hover { background: var(--primary-color); color: var(--white); border-color: var(--primary-color); }

.highlight-list {
  list-style: none;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.highlight-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  opacity: 0.95;
}

.highlight-list li i { font-size: 13px; }

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary-color);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] summary::after { transform: rotate(180deg); }

.faq-item[open] summary { color: var(--primary-color); }

.faq-item > p {
  padding: 16px 22px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  border-top: 1px solid var(--border-color);
}

.faq-item > p a { color: var(--primary-color); }

/* ---- Footer colunar ---- */
.footer-flex {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  align-items: flex-start;
}

.footer-brand { flex: 1 1 220px; }

.footer-brand-desc {
  margin-top: 8px;
  font-size: 13px;
  color: #8b949e;
  line-height: 1.5;
}

.footer-col { flex: 1 1 130px; }

.footer-col-title {
  display: block;
  color: var(--white);
  margin-bottom: 12px;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a { font-size: 13px; }

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #c9d1d9;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-social a:hover { color: var(--white); }

.footer-social a i { font-size: 16px; width: 18px; text-align: center; }

/* ---- Responsivo ---- */
@media (max-width: 720px) {
  .nav-links a:not(.btn-login) { display: none; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 16px; }
  section { padding: 52px 0; }
  section h2 { font-size: 24px; }
  .footer-flex { flex-direction: column; gap: 28px; }
}