/* ==========================================================================
   MonNguyen.Dev - High-Tech Cyber Engineering Stylesheet
   Specializing in AI Solutions, Automotive Intelligence, ESP32 TinyML & Web
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-darkest: #04070d;
  --bg-deep: #070b14;
  --bg-surface: #0d1527;
  --bg-surface-elevated: rgba(16, 25, 45, 0.75);
  --bg-card: rgba(13, 22, 40, 0.65);
  
  --cyan: #00f0ff;
  --cyan-dim: rgba(0, 240, 255, 0.2);
  --cyan-glow: 0 0 20px rgba(0, 240, 255, 0.45);
  
  --violet: #9333ea;
  --violet-light: #a855f7;
  --violet-glow: 0 0 20px rgba(168, 85, 247, 0.4);
  
  --emerald: #10b981;
  --emerald-dim: rgba(16, 185, 129, 0.2);
  --emerald-glow: 0 0 15px rgba(16, 185, 129, 0.5);
  
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.2);
  --amber-glow: 0 0 15px rgba(245, 158, 11, 0.5);

  --text-pure: #ffffff;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border-subtle: rgba(0, 240, 255, 0.12);
  --border-focus: rgba(0, 240, 255, 0.45);

  /* Typography */
  --font-display: 'Orbitron', -apple-system, sans-serif;
  --font-tech: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-darkest);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Custom Cyber Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darkest);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
  box-shadow: var(--cyan-glow);
}

/* Background Animated Canvas */
#neuralCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* Cyber Grid & Scanline Overlays */
.cyber-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 40px 40px;
  background-image: 
    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);
  z-index: 1;
  pointer-events: none;
}

.cyber-scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.4), transparent);
  z-index: 2;
  pointer-events: none;
  animation: scanlineAnim 8s linear infinite;
  opacity: 0.6;
}

@keyframes scanlineAnim {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* Main Site Wrapper */
.site-wrapper {
  position: relative;
  z-index: 3;
  width: 100%;
}

/* Top Under Construction Bar */
.under-construction-bar {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.15), rgba(7, 11, 20, 0.95), rgba(245, 158, 11, 0.15));
  border-bottom: 1px solid rgba(245, 158, 11, 0.35);
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #fbbf24;
  backdrop-filter: blur(10px);
}

.bar-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  text-align: center;
}

.pulse-beacon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--amber);
  box-shadow: 0 0 10px var(--amber);
  animation: pulseBeacon 1.6s infinite ease-in-out;
}

@keyframes pulseBeacon {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
}

.bar-tag {
  font-weight: 700;
  letter-spacing: 1px;
}

.bar-link {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-fast);
}
.bar-link:hover {
  text-shadow: 0 0 8px var(--cyan);
  text-decoration: underline;
}

/* Cyber Header */
.cyber-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: all 0.3s ease;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-hexagon {
  width: 44px;
  height: 44px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #091020;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
  transition: var(--transition-fast);
}

.brand-logo:hover .logo-hexagon {
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
  transform: scale(1.05);
}

.logo-letter {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}

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

.brand-text .name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 2px;
  color: var(--text-pure);
}

.brand-text .domain {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-mini {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--cyan);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  letter-spacing: 0.5px;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-tech);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  opacity: 0.8;
}

.nav-link:hover {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
  transform: translateY(-1px);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--emerald);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: var(--emerald-glow);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* Cyber Buttons */
.btn-cyber-sm {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 8px 16px;
  text-decoration: none;
  font-family: var(--font-tech);
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: var(--transition-fast);
}

.btn-cyber-sm:hover {
  background: var(--cyan);
  color: var(--bg-darkest);
  box-shadow: var(--cyan-glow);
}

.btn-cyber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-tech);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1.5px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  position: relative;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff, #0099ff);
  color: #030712;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38f4ff, #00b4ff);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid var(--violet-light);
  color: #e9d5ff;
}

.btn-secondary:hover {
  background: var(--violet-light);
  color: #090314;
  box-shadow: var(--violet-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  transform: translateY(-2px);
}

.btn-full-glow {
  width: 100%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(168, 85, 247, 0.2));
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 16px;
  font-size: 1.05rem;
}

.btn-full-glow:hover {
  background: var(--cyan);
  color: #04070d;
  box-shadow: var(--cyan-glow);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 70px 24px 90px;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  padding: 6px 16px;
  border-radius: 24px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  backdrop-filter: blur(8px);
}

.badge-code {
  color: var(--cyan);
  letter-spacing: 1px;
}

.badge-status {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  max-width: 1050px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.gradient-text {
  display: block;
  background: linear-gradient(135deg, #00f0ff 0%, #a855f7 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.3));
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 820px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-desc strong {
  color: var(--text-pure);
  font-weight: 600;
}

/* Construction Callout Box */
.construction-callout {
  width: 100%;
  max-width: 860px;
  background: linear-gradient(135deg, rgba(16, 25, 45, 0.8), rgba(9, 14, 25, 0.9));
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 36px;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(245, 158, 11, 0.05);
  backdrop-filter: blur(12px);
}

.callout-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.hud-circle.warning {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: var(--amber-glow);
  animation: pulseBeacon 1.5s infinite;
}

.callout-title {
  font-family: var(--font-tech);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #fbbf24;
}

.callout-phase {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: auto;
}

.callout-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}

.callout-email {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 600;
  text-decoration: none;
}
.callout-email:hover {
  text-decoration: underline;
  text-shadow: 0 0 8px var(--cyan);
}

.progress-bar-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.progress-percent {
  color: var(--amber);
  font-weight: 700;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(30, 41, 59, 0.8);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #00f0ff);
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
  transition: width 1s ease-in-out;
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 60px;
}

/* Metric Cards */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  width: 100%;
  max-width: 1140px;
}

.metric-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 24px 20px;
  text-align: left;
  backdrop-filter: blur(14px);
  transition: var(--transition-smooth);
}

.metric-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
}

.metric-hud-bracket {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--cyan);
  border-right: 2px solid var(--cyan);
  opacity: 0.6;
}

.metric-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-pure);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-label {
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--cyan);
  text-transform: uppercase;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* General Section Styles */
section {
  padding: 90px 24px;
  position: relative;
}

.section-container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-pure);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Solutions Grid */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.solution-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(16px);
}

.solution-card.featured {
  border-color: rgba(168, 85, 247, 0.4);
}

.solution-card:hover {
  border-color: var(--cyan);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.15);
}

.solution-card.featured:hover {
  border-color: var(--violet-light);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(168, 85, 247, 0.25);
}

.card-image-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #000;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: brightness(0.85) contrast(1.1);
}

.solution-card:hover .card-img {
  transform: scale(1.08);
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.1) 0%, rgba(7, 11, 20, 0.95) 100%);
}

.card-radar-scanner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: cardScan 4s ease-in-out infinite;
}

@keyframes cardScan {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: 0.8; }
  80% { opacity: 0.8; }
  100% { transform: translateY(220px); opacity: 0; }
}

.card-category-badge {
  position: absolute;
  top: 14px;
  left: 16px;
  background: rgba(7, 11, 20, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--cyan);
  font-family: var(--font-tech);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

.card-category-badge.special {
  color: var(--violet-light);
  border-color: rgba(168, 85, 247, 0.4);
}

.card-body {
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.card-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 1px;
}

.card-signal-bars {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 12px;
}

.card-signal-bars .bar {
  width: 3px;
  background: var(--cyan);
  border-radius: 1px;
}
.card-signal-bars .bar:nth-child(1) { height: 4px; }
.card-signal-bars .bar:nth-child(2) { height: 7px; }
.card-signal-bars .bar:nth-child(3) { height: 10px; }
.card-signal-bars .bar:nth-child(4) { height: 12px; }

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.card-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-item .check {
  color: var(--cyan);
  font-weight: bold;
}

.tech-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tag {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: #bae6fd;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.tag:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Deep Tech Showcase Matrix */
.showcase-section {
  background: linear-gradient(180deg, transparent, rgba(9, 14, 25, 0.6), transparent);
}

.tech-matrix {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}

.hud-frame {
  position: relative;
  background: #080d1a;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.hud-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--cyan);
  pointer-events: none;
}
.hud-corner.top-left { top: -2px; left: -2px; border-top: 3px solid var(--cyan); border-left: 3px solid var(--cyan); }
.hud-corner.top-right { top: -2px; right: -2px; border-top: 3px solid var(--cyan); border-right: 3px solid var(--cyan); }
.hud-corner.bottom-left { bottom: -2px; left: -2px; border-bottom: 3px solid var(--cyan); border-left: 3px solid var(--cyan); }
.hud-corner.bottom-right { bottom: -2px; right: -2px; border-bottom: 3px solid var(--cyan); border-right: 3px solid var(--cyan); }

.interactive-display-container {
  position: relative;
  width: 100%;
  height: 380px;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}

.matrix-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease;
  filter: contrast(1.1) brightness(0.9);
}

.hud-scanner-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 15px var(--cyan);
  animation: scanMatrix 5s infinite linear;
}

@keyframes scanMatrix {
  0% { transform: translateY(0); }
  100% { transform: translateY(380px); }
}

.hud-overlay-telemetry {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 12px;
}

.hud-stat-box {
  background: rgba(6, 10, 18, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 8px 12px;
  border-radius: 6px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.stat-title {
  font-family: var(--font-tech);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stat-data {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-pure);
}
.stat-data.green { color: var(--emerald); text-shadow: 0 0 8px var(--emerald); }
.stat-data.cyan { color: var(--cyan); text-shadow: 0 0 8px var(--cyan); }

.matrix-caption {
  margin-top: 12px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.caption-tag {
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 700;
}

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

.selector-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: var(--transition-fast);
  backdrop-filter: blur(12px);
}

.tech-item:hover {
  border-color: var(--cyan);
  background: rgba(16, 25, 45, 0.85);
  transform: translateX(4px);
}

.tech-item.active {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.item-icon {
  font-size: 1.6rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.9);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.item-content h4 {
  font-family: var(--font-tech);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 4px;
}

.item-content p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.item-arrow {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--cyan);
  opacity: 0.4;
  transition: var(--transition-fast);
}

.tech-item.active .item-arrow,
.tech-item:hover .item-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* Interactive Cyber Terminal */
.terminal-section {
  padding-top: 60px;
}

.cyber-terminal-card {
  background: #080c16;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7);
}

.terminal-header {
  background: #0f172a;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: 12px;
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.terminal-tabs {
  display: flex;
  gap: 8px;
}

.terminal-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.terminal-tab:hover {
  color: var(--text-pure);
  background: rgba(255, 255, 255, 0.05);
}

.terminal-tab.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
}

.terminal-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--emerald);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-green {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: var(--emerald-glow);
  animation: pulseDot 1.5s infinite;
}

.terminal-window {
  padding: 24px;
  background: #050811;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  min-height: 260px;
}

.terminal-meta-bar {
  display: flex;
  gap: 18px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 0.74rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.terminal-code {
  color: #38bdf8;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-footer {
  background: #090e1c;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.terminal-prompt {
  color: var(--cyan);
}

.btn-terminal-action {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-subtle);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-terminal-action:hover {
  background: var(--cyan);
  color: #000;
  box-shadow: var(--cyan-glow);
}

/* Roadmap Grid */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.roadmap-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.roadmap-card:hover {
  transform: translateY(-4px);
}

.roadmap-card.completed {
  border-top: 3px solid var(--emerald);
}

.roadmap-card.in-progress {
  border-top: 3px solid var(--amber);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.06), var(--bg-card));
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.12);
}

.roadmap-card.upcoming {
  border-top: 3px solid #334155;
  opacity: 0.85;
}

.phase-number {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.phase-badge {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.phase-badge.done { background: rgba(16, 185, 129, 0.15); color: var(--emerald); border: 1px solid rgba(16, 185, 129, 0.3); }
.phase-badge.live { background: rgba(245, 158, 11, 0.15); color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.4); }
.phase-badge.pending { background: rgba(100, 116, 139, 0.15); color: var(--text-dim); border: 1px solid rgba(100, 116, 139, 0.3); }

.phase-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 10px;
}

.phase-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.5;
}

.phase-list {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}

/* Contact Section */
.contact-box {
  background: linear-gradient(135deg, rgba(13, 21, 37, 0.9), rgba(6, 10, 18, 0.95));
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
}

.contact-hud-glare {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-pure);
  margin-bottom: 16px;
}

.contact-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.lead-engineer-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 28px;
}

.engineer-avatar {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #00f0ff, #9333ea);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: #030712;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.eng-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-pure);
}

.eng-role {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.eng-email {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  text-decoration: none;
}
.eng-email:hover {
  text-decoration: underline;
}

.contact-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.c-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.c-badge .c-icon {
  color: var(--cyan);
}

/* Direct Email Card */
.direct-email-card {
  background: rgba(8, 13, 24, 0.9);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 12px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 1.5px;
}

.email-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #03060d;
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 12px 18px;
  border-radius: 8px;
  gap: 12px;
}

.email-text {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.5px;
  word-break: break-all;
}

.btn-copy-chip {
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-tech);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.btn-copy-chip:hover {
  background: var(--cyan);
  color: #000;
  box-shadow: var(--cyan-glow);
}

.custom-inquiry-box {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.inquiry-title {
  font-family: var(--font-tech);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-pure);
}

.inquiry-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.cyber-input, .cyber-select, .cyber-textarea {
  background: #060912;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-pure);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 10px 14px;
  border-radius: 6px;
  transition: var(--transition-fast);
  outline: none;
}

.cyber-input:focus, .cyber-select:focus, .cyber-textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.cyber-textarea {
  resize: vertical;
}

.full-width {
  width: 100%;
}

/* Footer */
.cyber-footer {
  background: #04070d;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 48px 24px 32px;
  position: relative;
  z-index: 5;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
  gap: 20px;
}

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

.f-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-pure);
  letter-spacing: 1.5px;
}

.f-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

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

.footer-links a:hover {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy .highlight {
  color: var(--cyan);
}

.footer-telemetry {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--amber);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulseDot 1.5s infinite;
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.cyber-toast {
  background: rgba(9, 14, 25, 0.95);
  border: 1px solid var(--cyan);
  border-left: 4px solid var(--cyan);
  color: var(--text-pure);
  padding: 12px 20px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), var(--cyan-glow);
  pointer-events: auto;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1), toastOut 0.3s cubic-bezier(0.16, 1, 0.3, 1) 2.7s forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

/* Responsive Media Queries */
@media (max-width: 1080px) {
  .hero-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-matrix {
    grid-template-columns: 1fr;
  }
  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
  .hero-metrics-grid {
    grid-template-columns: 1fr;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .btn-cyber {
    width: 100%;
  }
  .contact-box {
    padding: 24px;
  }
  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}