/* ==========================================================================
   OCT6 Tecnologia — Estilos Globais e Componentes (main.css)
   ========================================================================== */

@import url('./variables.css');

/* Reset e Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, textarea, select {
  font: inherit;
}

/* Utilitários de Layout */
.container {
  width: min(100% - (var(--container-gutter) * 2), var(--container-max-width));
  margin-inline: auto;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

.badge-dark {
  background: var(--color-dark-750);
  color: #f1f5f9;
  border: 1px solid var(--color-dark-border);
}

.section-kicker {
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: inline-block;
}

.section-kicker.on-dark {
  color: #ff6b6b;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--color-text-main);
  margin-bottom: 16px;
}

.section-title.on-dark {
  color: var(--color-white);
}

.section-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.65;
}

.section-subtitle.on-dark {
  color: var(--color-text-white-muted);
}

.section-subtitle.center {
  margin-inline: auto;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px var(--color-primary-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px var(--color-primary-glow-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-text-main);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-50);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-dark-800);
  color: var(--color-white);
  border-color: var(--color-dark-border);
}

.btn-dark:hover {
  background-color: var(--color-dark-700);
  border-color: var(--color-dark-border-hover);
  transform: translateY(-2px);
}

.btn-ghost-dark {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  border: 1px solid var(--color-dark-border);
}

.btn-ghost-dark:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-dark-border-hover);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 30px;
  font-size: 1rem;
}

/* ==========================================================================
   Header & Navegação
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* Marca / Logotipo */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary), #a31d1d);
  color: var(--color-white);
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: -0.04em;
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-dark-900);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* Links do Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 6px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Botão Mobile */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-dark-900);
}

/* ==========================================================================
   Hero Institucional
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 15%, rgba(198, 40, 40, 0.08), transparent 45%),
              linear-gradient(180deg, #ffffff 0%, var(--color-surface-50) 100%);
  padding: 80px 0 90px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  max-width: 660px;
}

.hero-title {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--color-dark-900);
  margin: 18px 0 22px;
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-surface-200);
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.hero-highlight-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Visual Mockup no Hero */
.hero-visual {
  position: relative;
}

.tech-card-preview {
  background: var(--color-dark-900);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-dark-card);
  position: relative;
  overflow: hidden;
}

.tech-card-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.tech-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-dark-border);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-dark-700);
}

.window-dot:nth-child(1) { background: #ef4444; }
.window-dot:nth-child(2) { background: #f59e0b; }
.window-dot:nth-child(3) { background: #10b981; }

.tech-preview-badge {
  font-size: 0.75rem;
  color: var(--color-text-white-muted);
  font-family: var(--font-mono);
}

.tech-preview-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.tech-metric-box {
  background: var(--color-dark-850);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.tech-metric-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-white-muted);
  display: block;
  margin-bottom: 4px;
}

.tech-metric-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
}

.tech-stack-row {
  background: var(--color-dark-850);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tech-stack-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-white-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tech-stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-pill {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-dark-750);
  color: #e2e8f0;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-dark-border);
}

/* ==========================================================================
   Seção de Portfólio de Produtos (#produtos)
   ========================================================================== */
.portfolio-section {
  padding: 100px 0;
  background-color: var(--color-surface-50);
  border-bottom: 1px solid var(--color-border);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 10px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  transition: background var(--transition-fast);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-border);
}

.product-card:hover::before {
  background: var(--color-primary);
}

.product-card-header {
  margin-bottom: 24px;
}

.product-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: var(--color-surface-100);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.product-card:hover .product-icon-wrap {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
}

.product-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 6px;
}

.product-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark-900);
  line-height: 1.2;
  margin-bottom: 10px;
}

.product-lead {
  font-size: 0.9375rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 14px;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.product-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
  margin-top: auto;
  border-top: 1px solid var(--color-surface-100);
  padding-top: 20px;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text-main);
  font-weight: 500;
}

.product-feature-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.product-card-footer {
  margin-top: auto;
}

.product-card-footer .btn {
  width: 100%;
}

/* ==========================================================================
   Seção "Por que a OCT6" (#sobre)
   ========================================================================== */
.why-section {
  padding: 100px 0;
  background-color: var(--color-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-card {
  padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: all var(--transition-normal);
}

.why-card:hover {
  border-color: var(--color-primary-border);
  background: var(--color-surface-50);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.why-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.why-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark-900);
  margin-bottom: 10px;
}

.why-card-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Seção de Soluções Personalizadas
   ========================================================================== */
.custom-section {
  padding: 90px 0;
  background-color: var(--color-dark-900);
  color: var(--color-white);
  border-top: 1px solid var(--color-dark-border);
  border-bottom: 1px solid var(--color-dark-border);
}

.custom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.custom-content {
  max-width: 540px;
}

.custom-capabilities {
  display: grid;
  gap: 16px;
}

.capability-item {
  background: var(--color-dark-850);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color var(--transition-fast);
}

.capability-item:hover {
  border-color: var(--color-primary);
}

.capability-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  background: var(--color-dark-750);
  color: #ff6b6b;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.capability-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.capability-desc {
  font-size: 0.8125rem;
  color: var(--color-text-white-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Seção de Contato Comercial (#contato)
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background-color: var(--color-surface-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 50px;
  align-items: flex-start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-dark-900);
}

.contact-value a:hover {
  color: var(--color-primary);
}

.contact-card-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.contact-box-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-dark-900);
  margin-bottom: 8px;
}

.contact-box-lead {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.contact-action-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-action-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-50);
  font-weight: 600;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.contact-action-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

.contact-action-btn.whatsapp-highlight {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.contact-action-btn.whatsapp-highlight:hover {
  background: #dcfce7;
  border-color: #86efac;
}

/* ==========================================================================
   Rodapé Institucional
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark-900);
  color: var(--color-text-white-muted);
  border-top: 1px solid var(--color-dark-border);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .brand-icon {
  margin-bottom: 16px;
}

.footer-brand .brand-name {
  color: var(--color-white);
}

.footer-about-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-white-muted);
  margin-top: 14px;
  max-width: 320px;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-white-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-dark-border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-white-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Botão Flutuante do WhatsApp
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background-color: #25d366;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
  transform: translateY(-3px) scale(1.02);
}

.whatsapp-float svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ==========================================================================
   Responsividade (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 580px;
    margin-inline: auto;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .custom-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-section {
    padding: 60px 0 70px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float {
    padding: 14px;
    border-radius: 50%;
    bottom: 20px;
    right: 20px;
  }
}