/* ==========================================================================
   ON NETWORK ® • Design System & Frontend Engine
   Marca Registrada no INPI - Processo nº 926029010 | Titular: Lucas Martins Alves
   ========================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: #0f1422;
  --bg-card-hover: #151c2e;
  --bg-elevated: #1a2238;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(16, 185, 129, 0.4);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Gradients */
.bg-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-top-left {
  position: absolute;
  top: -15%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(7, 9, 14, 0) 70%);
}

.glow-bottom-right {
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, rgba(7, 9, 14, 0) 70%);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.35rem;
}

p {
  color: var(--text-muted);
}

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

/* Badges & Tags */
.badge-inpi {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #34d399;
  letter-spacing: 0.02em;
}

.badge-inpi svg {
  color: var(--accent-emerald);
}

.badge-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Header & Navigation */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  height: 76px;
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #07090e;
  font-size: 1.15rem;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-name span.reg {
  font-size: 0.7rem;
  color: var(--accent-emerald);
  font-weight: 800;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 1px 4px;
  border-radius: 4px;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-whatsapp {
  background: #25d366;
  color: #07090e;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background: #20ba59;
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-copy p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 58ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
}

.hero-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.hero-preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #10b981, #06b6d4);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.metric-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-emerald);
  letter-spacing: -0.02em;
}

.metric-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Stats Ribbon */
.stats-ribbon {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 20, 34, 0.4);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.stat-lbl {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-header p {
  font-size: 1.05rem;
}

/* Section Spacing */
.section {
  padding: 80px 0;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}

.service-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.service-features-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-features-list li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* Comparison Table */
.comparison-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
}

table.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.comp-table th, table.comp-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
}

table.comp-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
  font-weight: 700;
}

table.comp-table th.highlight, table.comp-table td.highlight {
  background: rgba(16, 185, 129, 0.05);
  color: #34d399;
  font-weight: 600;
}

/* Portfolio Case Card */
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.case-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-3px);
}

.case-cat {
  font-size: 0.78rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-card h3 {
  font-size: 1.2rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

/* Interactive Calculator */
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.calc-step {
  margin-bottom: 24px;
}

.calc-step label.calc-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.calc-option {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.calc-option:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-main);
}

.calc-option.selected {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--accent-emerald);
  color: #34d399;
}

.calc-summary-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-result-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-emerald);
  margin: 12px 0 4px;
}

/* Trademark Showcase Box */
.trademark-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.trademark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.inpi-details-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.inpi-detail-item {
  background: rgba(7, 9, 14, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.inpi-detail-lbl {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.inpi-detail-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 4px;
}

/* Blog Cards */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.3);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.35;
}

.blog-card p {
  font-size: 0.92rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  user-select: none;
}

.faq-answer {
  padding: 0 24px 20px;
  display: none;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-chevron {
  transition: var(--transition);
  color: var(--text-dim);
}

/* CTA Footer Ribbon */
.cta-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* Footer */
footer.site-footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 18px;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

/* Floating WhatsApp */
.floating-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #07090e;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.floating-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}

/* Article Styling */
.article-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 50px 24px 80px;
}

.article-header {
  margin-bottom: 40px;
}

.article-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 16px 0;
}

.article-body {
  font-size: 1.08rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.article-body h2 {
  font-size: 1.8rem;
  margin: 40px 0 16px;
  color: var(--text-main);
}

.article-body h3 {
  font-size: 1.35rem;
  margin: 30px 0 12px;
  color: var(--text-main);
}

.article-body p {
  margin-bottom: 20px;
  color: #94a3b8;
}

.article-body ul, .article-body ol {
  margin: 0 0 24px 24px;
  color: #94a3b8;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: #34d399;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid, .trademark-grid, .calc-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  main.main-nav {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-secondary {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .metric-strip {
    grid-template-columns: 1fr;
  }
  .inpi-details-list {
    grid-template-columns: 1fr;
  }
}