/* ============ CSS VARIABLES ============ */
:root {
  /* Backgrounds - Dark Theme */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #121212;
  --bg-overlay: rgba(255, 255, 255, 0.05);
  
  /* Text - High Contrast */
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.85);
  --text-muted: #808080;
  
  /* Brand Colors */
  --brand-primary: #00FFD1;
  --brand-hover: rgba(0, 255, 209, 0.15);
  --brand-active: #6FD2C0;
  
  /* Threat/Red Accents */
  --threat-primary: #FF0055;
  --threat-glow: rgba(255, 0, 85, 0.3);
  --threat-subtle: rgba(255, 0, 85, 0.1);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-medium: rgba(255, 255, 255, 0.2);
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-xxl: 100px;
}

/* ============ RESET & BASE ============ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

code, pre, .monospace {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* ============ NAVIGATION ============ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 7.6923%;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-header.scrolled {
  background: rgba(0, 0, 0, 0.95);
  padding: 16px 7.6923%;
  border-bottom: 1px solid var(--border-medium);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-bracket {
  color: var(--threat-primary);
}

.logo-text {
  color: var(--brand-primary);
}

.nav-menu {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  font-family: 'JetBrains Mono', monospace;
}

.nav-link::before {
  content: '$ ';
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
  opacity: 1;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--brand-primary);
  transition: all 0.3s ease;
}

/* ============ HERO SECTION ============ */
.hero-section {
  min-height: 100vh;
  padding: 140px 7.6923% 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 1px, var(--border-subtle) 1px, var(--border-subtle) calc(100% / 13)),
    repeating-linear-gradient(-90deg, transparent, transparent 1px, var(--border-subtle) 1px, var(--border-subtle) 7.6923%);
  opacity: 0.3;
  pointer-events: none;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--brand-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

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

.text-accent {
  color: var(--brand-primary);
}

.hero-description {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

/* ============ BUTTONS ============ */
.btn-primary {
  background: var(--brand-primary);
  color: #000000;
  border: none;
  border-radius: 0;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.4s ease;
  min-height: 56px;
}

.btn-primary:hover {
  background: var(--brand-hover);
  color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 255, 209, 0.3);
}

.btn-arrow {
  transition: transform 0.3s ease;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: 0;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: all 0.4s ease;
  min-height: 56px;
}

.btn-secondary:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* ============ HERO STATS ============ */
.hero-stats {
  display: flex;
  gap: 32px;
  align-items: center;
}

.stat-item {
  flex: 1;
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--brand-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* ============ SPLINE 3D VISUAL ============ */
.hero-visual {
  position: relative;
  height: 700px;
}

.spline-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: visible;
}

#canvas3d {
  width: 100% !important;
  height: 100% !important;
}

/* ============ SERVICES SECTION ============ */
.services-section {
  padding: 100px 7.6923%;
  background: var(--bg-secondary);
  position: relative;
}

.services-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.terminal-cursor {
  color: var(--brand-primary);
}

.section-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto;
}

/* ============ SERVICE TABS ============ */
.service-tabs {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: 16px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background: var(--bg-overlay);
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

.tab-btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #000000;
}

.tab-icon {
  font-size: 18px;
}

/* ============ TAB CONTENT ============ */
.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ SERVICE GRID ============ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

/* ============ SERVICE CARDS ============ */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 32px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--brand-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.card-icon {
  font-size: 32px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
}

.card-icon.threat {
  background: var(--threat-subtle);
  border-color: var(--threat-primary);
}

.card-icon.secure {
  background: var(--brand-hover);
  border-color: var(--brand-primary);
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.card-features {
  list-style: none;
}

.card-features li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.card-features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--brand-primary);
  font-weight: bold;
}

/* ============ ABOUT SECTION ============ */
.about-section {
  padding: 100px 7.6923%;
  background: var(--bg-primary);
}

.about-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.about-features {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--brand-primary);
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  font-weight: bold;
  flex-shrink: 0;
}

.feature-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-text strong {
  font-size: 16px;
  color: var(--text-primary);
}

.feature-text span {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============ CODE TERMINAL ============ */
.code-terminal {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 0;
  overflow: hidden;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: var(--threat-primary); }
.dot.yellow { background: #FFD700; }
.dot.green { background: var(--brand-primary); }

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
}

.terminal-line {
  margin-bottom: 8px;
}

.prompt {
  color: var(--brand-primary);
  margin-right: 8px;
}

.output {
  color: var(--text-muted);
  padding-left: 16px;
}

.threat-text {
  color: var(--threat-primary);
}

.success-text {
  color: var(--brand-primary);
}

.cursor-blink {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ============ CONTACT SECTION ============ */
.contact-section {
  padding: 100px 7.6923%;
  background: var(--bg-secondary);
}

.contact-container {
  max-width: 900px;
  margin: 0 auto;
}

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

.contact-description {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.contact-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 0;
  padding: 40px;
  margin-top: 48px;
  text-align: left;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-icon {
  font-size: 32px;
}

.panel-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-body p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 32px;
  background: var(--brand-primary);
  color: #000000;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 600;
  border-radius: 0;
  transition: all 0.3s ease;
  margin-bottom: 32px;
}

.contact-email:hover {
  background: var(--brand-hover);
  color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 255, 209, 0.3);
}

.email-icon {
  font-size: 24px;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-item strong {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.info-item code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--brand-primary);
  background: rgba(0, 255, 209, 0.1);
  padding: 4px 8px;
  border-radius: 0;
  display: inline-block;
}

.info-item span {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-medium);
  padding: 60px 7.6923% 0;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 80px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
  align-items: flex-start;
}

.footer-brand-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-shrink: 0;
  max-width: 350px;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  margin-top: 12px;
  width: fit-content;
}

.status-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  flex: 1;
}

.footer-column {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.footer-heading {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--brand-primary);
  margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace;
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.footer-list li {
  margin: 0;
  padding: 0;
}

.footer-list li a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  position: relative;
}

.footer-list li a::before {
  content: '→ ';
  opacity: 0;
  margin-right: 4px;
  color: var(--brand-primary);
  transition: opacity 0.3s ease;
}

.footer-list li a:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

.footer-list li a:hover::before {
  opacity: 1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.footer-terminal {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}

.terminal-text {
  color: var(--brand-primary);
}

.terminal-output {
  color: var(--text-muted);
}

/* ============ ANIMATIONS ============ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ============ RESPONSIVE DESIGN ============ */
@media (max-width: 1024px) {
  .hero-container,
  .about-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .hero-visual {
    height: 500px;
  }
  
  .service-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  
  .footer-main {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    padding: 32px 7.6923%;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .hero-section {
    padding: 120px 20px 60px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .services-section,
  .about-section,
  .contact-section {
    padding: 60px 20px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .footer {
    padding: 40px 20px 0;
  }
  
  .footer-main {
    flex-direction: column;
    gap: 32px;
  }
  
  .footer-brand-section {
    max-width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding: 20px 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .service-card {
    padding: 24px;
  }
  
  .contact-panel {
    padding: 24px;
  }
  
  .tab-btn {
    padding: 12px 16px;
    font-size: 12px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}