/* ==========================================================================
   mBora Technologies - Enterprise Design System (Vercel & Linear Inspired)
   Theme: Deep Dark Slate (#030712) with Radial Lighting & Electric Accents
   Accents: Electric Cobalt (#2563EB), Cyan (#06B6D4) & Emerald (#10B981)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
  /* Color Palette - Dark Mode (Default) */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111111;
  --bg-elevated: rgba(10, 10, 10, 0.85);

  --surface-card: rgba(15, 15, 15, 0.65);
  --surface-card-hover: rgba(37, 99, 235, 0.08);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(37, 99, 235, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-card: linear-gradient(180deg, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 100%);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: rgba(255, 255, 255, 0.9);

  --surface-card: rgba(248, 250, 252, 0.9);
  --surface-card-hover: rgba(37, 99, 235, 0.05);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(37, 99, 235, 0.3);

  --text-primary: #020617;
  --text-secondary: #334155;
  --text-muted: #64748b;

  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.12);
}

/* Reset & Global Elements */
*, *::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-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

/* Background Ambient Lighting */
.bg-grid-pattern {
  background-image: 
    radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.15), transparent 60%),
    radial-gradient(circle at 90% 40%, rgba(6, 182, 212, 0.08), transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

[data-theme="light"] .bg-grid-pattern {
  background-image: 
    radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.08), transparent 60%),
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

/* Container Structure */
.container {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

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

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-color);
  backdrop-filter: blur(8px);
}

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

.btn-icon {
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glow);
}

/* Navigation Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.85rem 0;
  transition: all var(--transition-normal);
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.85);
}

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

.nav-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Glassmorphism Cards System */
.glass-card {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding-top: 135px;
  padding-bottom: 90px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: 3.3rem;
  line-height: 1.08;
  margin-bottom: 1.25rem;
  letter-spacing: -0.035em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-canvas-container {
  position: relative;
  width: 100%;
  height: 460px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: rgba(11, 15, 25, 0.5);
  box-shadow: var(--shadow-glow);
}

#topology-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Section Header Structure */
.section-title-wrapper {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.6rem;
  display: block;
}

.section-heading {
  font-size: 2.4rem;
  margin-bottom: 0.85rem;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ==========================================================================
   Vercel / Linear Inspired 5 Pillars Bento Layout (De-cluttered)
   ========================================================================== */
.pillars-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.pillar-card-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(11, 15, 25, 0.4) 100%);
  border-color: rgba(37, 99, 235, 0.3);
}

.pillar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.pillar-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
}

.pillar-title {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

.pillar-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

/* Micro Visual Snippet inside Bento Cards (Linear Style) */
.pillar-visual {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: auto;
}

.pillar-visual-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 0;
}

.status-active {
  color: var(--accent-emerald);
  font-weight: 600;
}

.payment-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.pay-tag {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   Regional SADC Footprint (3 Hubs: Sandton HQ, Cape Town, Maputo)
   ========================================================================== */
.regional-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.hub-card-modern {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hub-badge-hq {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid var(--accent-blue);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hub-city-name {
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.hub-address-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 1rem 0 1.5rem 0;
}

.hub-email-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

/* ==========================================================================
   Redesigned Tech Stack (Vercel / Linear Modern Cards)
   ========================================================================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.tech-grid-modern {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tech-card-modern {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tech-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.tech-icon-wrapper {
  font-size: 1.4rem;
}

.badge-mini {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 600;
}

.tech-name {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.tech-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Modal Window */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Footer Section */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 340px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-title {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .pillars-bento, .regional-grid-3, .tech-grid-modern {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillar-card-featured {
    grid-column: span 2;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .pillars-bento, .regional-grid-3, .tech-grid-modern, .footer-grid {
    grid-template-columns: 1fr;
  }
  .pillar-card-featured {
    grid-column: span 1;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}