/* ==========================================================================
   OVERLAB GLOBAL STYLES & RESET
   Estruturas compartilhadas, grid, navbar, footer, botões e utilitários
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-base);
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Fundo com Grid Técnico de Engenharia */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  position: relative;
  z-index: 1;
}

/* Tipografia Utilitária */
.font-mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-aqua);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--brand-aqua);
}

/* Barra de Assinatura Overlab */
.signature-bar {
  height: 4px;
  width: 64px;
  background: var(--brand-gradient);
  border-radius: 1px;
}

/* Badges e Chips Técnicos */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  background: var(--bg-surface);
  white-space: nowrap;
}

.badge-accent {
  border-color: rgba(120, 247, 236, 0.4);
  color: var(--brand-aqua);
}

.badge-green {
  border-color: rgba(114, 255, 92, 0.4);
  color: var(--brand-green);
}

/* Cards Bento Grid */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  border-color: var(--border-strong);
}

.card-featured {
  border-color: rgba(120, 247, 236, 0.35);
  box-shadow: var(--shadow-glow);
}

.card-featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand-gradient);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--brand-gradient);
  color: var(--text-inverse);
  box-shadow: 0 4px 20px -4px rgba(120, 247, 236, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(120, 247, 236, 0.45);
}

.btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--brand-aqua);
  color: var(--brand-aqua);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  transform: translateY(-2px);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(22, 23, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding-block: 18px;
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo-img {
  display: block;
  height: 38px;
  width: auto;
  max-width: 100%;
}

.logo-footer {
  height: 48px;
}

.logo-graphic {
  display: flex;
  flex-direction: column;
}

.logo-graphic .bar {
  height: 5px;
  width: 58px;
  background: var(--brand-gradient);
  margin-bottom: 4px;
}

.logo-graphic .word {
  font-weight: 900;
  font-size: 26px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: #FFFFFF;
}

.logo-brand .subtext {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
  color: #A3A7AD;
  padding-bottom: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Footer Institucional */
.footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  padding-block: 64px 32px;
  margin-top: 100px;
  position: relative;
  z-index: 1;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}