/* ==============================================================================
   RETONDO LABS — DESIGN SYSTEM & TOKENS (LIGHT DEFAULT & DARK MODE)
   Source of Truth: assets/brand-preview.html
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@400;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* ☀️ TEMA CLARO (PADRÃO INSTITUCIONAL - DEFAULT) */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --border-color: #E2E8F0;
  --border-accent: rgba(2, 132, 199, 0.25);
  
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dim: #64748B;
  
  --cyan-primary: #0284C7;
  --cyan-glow: #00D2FF;
  --blue-deep: #0369A1;
  --emerald-accent: #10B981;
  --emerald-dark: #059669;
  
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --card-shadow-hover: 0 12px 30px -4px rgba(2, 132, 199, 0.14);
  
  --nav-bg: rgba(255, 255, 255, 0.92);
  --hero-glow-1: rgba(2, 132, 199, 0.06);
  --hero-glow-2: rgba(16, 185, 129, 0.05);
  
  --code-bg: #F1F5F9;
  --code-text: #0F172A;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

[data-theme="dark"] {
  /* 🌑 TEMA ESCURO (MODO ALTERNATIVO - TOGGLE) */
  --bg-page: #0B0F19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1E293B;
  --border-color: #1E293B;
  --border-accent: rgba(0, 229, 255, 0.25);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --cyan-primary: #00E5FF;
  --cyan-glow: #00F2FE;
  --blue-deep: #0072FF;
  --emerald-accent: #10B981;
  --emerald-dark: #10B981;
  
  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  --card-shadow-hover: 0 15px 40px -5px rgba(0, 229, 255, 0.18);
  
  --nav-bg: rgba(11, 15, 25, 0.92);
  --hero-glow-1: rgba(0, 229, 255, 0.08);
  --hero-glow-2: rgba(16, 185, 129, 0.06);
  
  --code-bg: #050B14;
  --code-text: #00E5FF;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 15% 15%, var(--hero-glow-1) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, var(--hero-glow-2) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Theme-based image visibility */
.show-light {
  display: block;
}
.show-dark {
  display: none;
}

[data-theme="dark"] .show-light {
  display: none !important;
}
[data-theme="dark"] .show-dark {
  display: block !important;
}

/* Typography */
h1, h2, h3, h4, .brand-font {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.2;
}

.mono-font {
  font-family: 'JetBrains Mono', monospace;
}

.text-gradient {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--emerald-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Header & Nav */
header.site-header {
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--nav-bg);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.brand-logo-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-nav img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

.brand-name span {
  color: var(--cyan-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-menu a:hover, .nav-menu a.active {
  color: var(--cyan-primary);
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 30px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.theme-toggle-btn:hover {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 14px rgba(2, 132, 199, 0.2);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--blue-deep) 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

/* Hero Section (2-Column Left Aligned) */
.hero-section {
  position: relative;
  padding: 80px 0 70px 0;
  background-color: var(--bg-page);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

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

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: #047857; /* Verde escuro nítido no Light */
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 6px 16px;
  border-radius: 30px;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .hero-badge {
  color: #34D399;
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
}

.hero-title {
  font-size: 52px;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  line-height: 1.1;
  color: #0F172A; /* Escuro sólido no Light */
  font-weight: 900;
  text-align: left;
}

[data-theme="dark"] .hero-title {
  color: #F8FAFC;
}

.hero-desc {
  font-size: 17px;
  color: #1E293B; /* Texto escuro de altíssimo contraste no Light */
  font-weight: 500;
  margin-bottom: 34px;
  line-height: 1.65;
  text-align: left;
}

[data-theme="dark"] .hero-desc {
  color: #94A3B8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 40px;
  justify-content: flex-start;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(15, 23, 42, 0.1);
  padding-top: 24px;
}

[data-theme="dark"] .hero-metrics {
  border-top-color: var(--border-color);
}

.metric-item {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.metric-number {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--cyan-primary);
}

.metric-label {
  font-size: 12px;
  color: #334155; /* Escuro nítido no Light */
  font-weight: 600;
}

[data-theme="dark"] .metric-label {
  color: #94A3B8;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-visual img:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(2, 132, 199, 0.15);
}

[data-theme="dark"] .hero-visual img:hover {
  box-shadow: 0 20px 40px rgba(0, 229, 255, 0.2);
}

/* Section Common */
.section {
  padding: 70px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--cyan-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin-bottom: 10px;
}

.section-title {
  font-size: 34px;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
}

/* Cards & Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-accent);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--cyan-primary);
  margin-bottom: 20px;
}

.card-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.card-features {
  list-style: none;
  font-size: 13px;
  color: var(--text-muted);
}

.card-features li {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-features li::before {
  content: "✓";
  color: var(--emerald-accent);
  font-weight: 800;
}

/* Case Study Box */
.case-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.case-badge {
  background: #DCFCE7;
  color: #15803D;
  border: 1px solid #BBF7D0;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 14px;
}

[data-theme="dark"] .case-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border-color: rgba(16, 185, 129, 0.4);
}

/* Tech Stack Pills */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stack-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  box-shadow: var(--card-shadow);
}

.stack-card:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-2px);
}

.stack-name {
  font-weight: 700;
  font-size: 14px;
  margin-top: 6px;
}

.stack-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* Form Styles */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
  padding: 60px 0 30px 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 15px;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13.5px;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--cyan-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--text-dim);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0F172A;
  color: #FFFFFF;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* WhatsApp Button */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  background: #25D366;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-whatsapp:hover {
  background: #20BA5A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

/* Pains / Desafios Section */
.pains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.pain-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pain-card:hover {
  border-color: rgba(239, 68, 68, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.pain-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.pain-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
}

.pain-question {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
}

.pain-solution {
  background: var(--bg-surface-elevated);
  border-left: 3px solid var(--emerald-accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

.pain-solution strong {
  color: var(--emerald-accent);
  font-weight: 700;
}

/* Process / Método em 4 Passos */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--card-shadow);
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-primary);
  box-shadow: var(--card-shadow-hover);
}

.process-number {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: var(--cyan-primary);
  line-height: 1;
  margin-bottom: 14px;
  opacity: 0.9;
}

.process-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.process-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.faq-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
}

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

.faq-question {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-question span.faq-icon {
  color: var(--cyan-primary);
  font-size: 18px;
}

.faq-answer {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* WhatsApp Box */
.whatsapp-box {
  background: var(--bg-surface-elevated);
  border: 1px dashed rgba(37, 211, 102, 0.5);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
}

/* ==============================================================================
   RESPONSIVIDADE & AJUSTES MOBILE DE ALTA PERFORMANCE
   ============================================================================== */

@media (max-width: 900px) {
  .hero-grid, .case-box, .grid-2, .footer-grid, .faq-grid, .process-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
}

@media (max-width: 768px) {
  /* Container e Espaçamento Geral */
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 48px 0;
  }
  
  .section-header {
    margin-bottom: 32px;
  }
  
  .section-title {
    font-size: 26px;
    line-height: 1.25;
  }
  
  .section-subtitle {
    font-size: 14px;
  }

  /* Header & Navegação */
  .nav-wrapper {
    height: 64px;
  }

  .brand-logo-nav img {
    height: 32px;
  }

  .brand-name {
    font-size: 17px;
  }

  .theme-toggle-btn {
    padding: 7px 12px;
    font-size: 12px;
  }

  .theme-toggle-btn #themeText {
    display: none; /* Exibe apenas o ícone no mobile para não poluir o header */
  }

  .site-header .btn-primary {
    padding: 8px 14px;
    font-size: 12.5px;
  }

  /* Hero Section Mobile */
  .hero-section {
    padding: 36px 0 40px 0;
  }

  .hero-badge {
    font-size: 10px;
    padding: 6px 12px;
    line-height: 1.4;
    white-space: normal;
    text-align: left;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: clamp(28px, 7.5vw, 36px);
    letter-spacing: -0.5px;
    line-height: 1.15;
    margin-bottom: 14px;
  }

  .hero-desc {
    font-size: 14.5px;
    line-height: 1.6;
    margin-bottom: 24px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 28px;
  }

  .hero-ctas .btn-primary,
  .hero-ctas .btn-whatsapp {
    width: 100%;
    padding: 13px;
    font-size: 14px;
    justify-content: center;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
    padding-top: 20px;
  }

  .metric-number {
    font-size: 24px;
  }

  .metric-label {
    font-size: 11.5px;
    line-height: 1.35;
  }

  .hero-visual {
    margin-top: 16px;
  }

  .hero-visual img {
    max-width: 300px;
    margin: 0 auto;
  }

  /* Desafios / Pains Cards */
  .pains-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pain-card {
    padding: 20px 18px;
  }

  .pain-question {
    font-size: 15px;
  }

  .pain-solution {
    font-size: 13px;
  }

  /* Soluções / Services Cards */
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card {
    padding: 24px 18px;
  }

  .card-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
    margin-bottom: 14px;
  }

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

  .card-desc {
    font-size: 13.5px;
    margin-bottom: 16px;
  }

  .card-features li {
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.45;
  }

  /* Case Study Box */
  .case-box {
    padding: 24px 16px;
    gap: 24px;
    border-radius: var(--radius-lg);
  }

  .case-box h3 {
    font-size: 20px !important;
    line-height: 1.3;
    margin-bottom: 12px !important;
  }

  .case-box p {
    font-size: 13.5px !important;
    line-height: 1.55 !important;
  }

  .case-box .btn-primary {
    width: 100%;
    justify-content: center;
    margin-bottom: 16px;
  }

  /* Método / Process Cards */
  .process-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .process-card {
    padding: 20px 18px;
  }

  .process-number {
    font-size: 26px;
    margin-bottom: 6px;
  }

  .process-title {
    font-size: 16px;
    margin-bottom: 6px;
  }

  .process-desc {
    font-size: 13px;
  }

  /* FAQ Accordion / Grid */
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .faq-card {
    padding: 18px 16px;
  }

  .faq-question {
    font-size: 14.5px;
    line-height: 1.4;
  }

  .faq-answer {
    font-size: 13px;
  }

  /* Form & WhatsApp Box */
  .form-card {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }

  .form-input, .form-select, .form-textarea {
    padding: 12px 14px;
    font-size: 14px;
  }

  .whatsapp-box {
    flex-direction: column;
    text-align: center;
    gap: 12px;
    padding: 16px;
  }

  .whatsapp-box .btn-whatsapp {
    width: 100%;
    justify-content: center;
  }

  /* Footer */
  footer.site-footer {
    padding: 40px 0 24px 0;
    margin-top: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    font-size: 12px;
  }
}


/* ==============================================================================
   RETONDO LABS — MODERNIZED NAVBAR & HEADER (DEV BRANCH STANDARD)
   ============================================================================== */

header.site-header {
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--nav-bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 1.5rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 74px;
  gap: 2rem;
}

.brand-logo-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-nav img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  white-space: nowrap;
}

.brand-name span {
  color: var(--cyan-primary);
}

.nav-menu-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 600;
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}

.nav-menu a:hover, .nav-menu a.active {
  color: var(--cyan-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Compact Circular Theme Toggle */
.theme-toggle-compact {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

.theme-toggle-compact:hover {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 14px rgba(2, 132, 199, 0.25);
  transform: scale(1.05);
}

/* Nav Buttons */
.nav-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.nav-btn-secondary:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  background: rgba(2, 132, 199, 0.05);
  transform: translateY(-1px);
}

.nav-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--blue-deep) 100%);
  color: #FFFFFF !important;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.28);
  transition: all 0.2s ease;
}

.nav-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

@media (max-width: 1024px) {
  .nav-menu-wrapper {
    display: none;
  }
}