/* ============================================
   信安数通科技 - 网络科技感主题样式
   Cyberpunk / Future Tech Style
   ============================================ */

/* CSS Variables - 科技感配色 */
:root {
  --primary-dark: #0a0e17;
  --secondary-dark: #111827;
  --accent-cyan: #00f0ff;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --gradient-cyber: linear-gradient(135deg, #00f0ff 0%, #a855f7 50%, #3b82f6 100%);
  --gradient-dark: linear-gradient(180deg, #0a0e17 0%, #111827 100%);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5);
  --glow-purple: 0 0 20px rgba(168, 85, 247, 0.5);
  --border-glow: 1px solid rgba(0, 240, 255, 0.3);
}

/* Security Styles - 防止点击劫持和UI欺骗 */
iframe {
  display: none !important;
}

frame {
  display: none !important;
}

object {
  display: none !important;
}

embed {
  display: none !important;
}

/* Security: Disable text selection for sensitive areas */
.no-select {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Security: Disable drag for sensitive elements */
.no-drag {
  -webkit-user-drag: none;
  user-drag: none;
}

/* Security: Form field validation states */
input:invalid, textarea:invalid {
  border-color: #ef4444 !important;
}

input:valid, textarea:valid {
  border-color: #10b981 !important;
}

/* Security: Prevent tabnabbing */
a[target="_blank"] {
  rel: "noopener noreferrer";
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Orbitron', 'Rajdhani', 'Segoe UI', sans-serif;
  background: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.8rem); }

p {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

a {
  text-decoration: none;
  color: var(--accent-cyan);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-purple);
  text-shadow: var(--glow-cyan);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: var(--border-glow);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

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

.logo-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-cyber);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--primary-dark);
  box-shadow: var(--glow-cyan);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.5); }
  50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.8); }
}

.logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 3px;
}

.logo-text span {
  color: var(--accent-cyan);
}

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

.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 0.5rem 1rem;
  position: relative;
  transition: all 0.3s ease;
}

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-cyber);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.nav-links a:hover::before {
  width: 100%;
}

.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-links a.active::before {
  width: 100%;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--accent-cyan);
  transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--gradient-dark);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
  animation: background-pulse 10s ease-in-out infinite;
}

@keyframes background-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Grid Background */
.grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.hero-content {
  text-align: center;
  z-index: 1;
  padding: 2rem;
}

.title-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
  animation: title-float 4s ease-in-out infinite, title-shimmer 3s linear infinite;
  opacity: 0;
  animation-delay: 0.3s;
  animation-fill-mode: forwards;
}

@keyframes title-float {
  0%, 100% { 
    transform: translateY(0);
    filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.5)) drop-shadow(0 0 40px rgba(0, 240, 255, 0.3));
  }
  50% { 
    transform: translateY(-10px);
    filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.8)) drop-shadow(0 0 60px rgba(168, 85, 247, 0.5)) drop-shadow(0 0 80px rgba(168, 85, 247, 0.3));
  }
}

@keyframes title-shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.title-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
  animation: glow-pulse 2s ease-in-out infinite;
  opacity: 0;
  animation-delay: 0.5s;
  animation-fill-mode: forwards;
}

@keyframes glow-pulse {
  0%, 100% { 
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% { 
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  letter-spacing: 5px;
  opacity: 0;
  animation: subtitle-fade 1s ease-out forwards;
  animation-delay: 0.8s;
}

@keyframes subtitle-fade {
  from {
    opacity: 0;
    transform: translateY(20px);
    letter-spacing: 10px;
  }
  to {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 5px;
  }
}

.hero-tagline {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.tagline-item {
  padding: 0.8rem 2rem;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 30px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 3px;
  transition: all 0.3s ease;
  animation: tagline-fade 0.8s ease-out forwards, border-pulse 2s ease-in-out infinite;
  opacity: 0;
}

@keyframes tagline-fade {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes border-pulse {
  0%, 100% { 
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
  }
  50% { 
    border-color: rgba(168, 85, 247, 0.8);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
  }
}

.tagline-item:hover {
  background: rgba(0, 240, 255, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

/* Scanline Effect */
.scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    transparent 50%,
    rgba(0, 0, 0, 0.03) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  animation: scanline-move 8s linear infinite;
  opacity: 0.3;
}

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

/* Floating Particles */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: float-up 10s linear infinite;
  opacity: 0.6;
}

.particle:nth-child(odd) {
  background: var(--accent-purple);
}

@keyframes float-up {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

/* Hero Buttons Animation */
#heroButtons {
  opacity: 0;
  animation: buttons-fade 0.8s ease-out forwards;
  animation-delay: 2s;
}

@keyframes buttons-fade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#heroButtons .btn {
  opacity: 0;
  animation: button-pop 0.5s ease-out forwards;
}

#heroButtons .btn:first-child {
  animation-delay: 2.2s;
}

#heroButtons .btn:last-child {
  animation-delay: 2.4s;
}

@keyframes button-pop {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   Section Styles
   ============================================ */
section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient-cyber);
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  letter-spacing: 3px;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
  background: var(--secondary-dark);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  text-align: justify;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 240, 255, 0.05);
  border: var(--border-glow);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-cyan);
}

.stat-number {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.about-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-circle {
  width: 300px;
  height: 300px;
  border: 2px solid rgba(0, 240, 255, 0.3);
  border-radius: 50%;
  position: relative;
  animation: rotate-slow 20s linear infinite;
}

.tech-circle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 2px solid rgba(168, 85, 247, 0.3);
  border-radius: 50%;
  animation: rotate-slow 15s linear infinite reverse;
}

.tech-circle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: var(--gradient-cyber);
  border-radius: 50%;
  box-shadow: var(--glow-cyan);
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.tech-icon {
  position: absolute;
  width: 50px;
  height: 50px;
  background: var(--secondary-dark);
  border: 2px solid var(--accent-cyan);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.tech-icon:nth-child(1) { top: -25px; left: 50%; transform: translateX(-50%); }
.tech-icon:nth-child(2) { right: -25px; top: 50%; transform: translateY(-50%); }
.tech-icon:nth-child(3) { bottom: -25px; left: 50%; transform: translateX(-50%); }
.tech-icon:nth-child(4) { left: -25px; top: 50%; transform: translateY(-50%); }

/* ============================================
   Services Section
   ============================================ */
.services-section {
  background: var(--primary-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: rgba(17, 24, 39, 0.8);
  border: var(--border-glow);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-cyber);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  background: var(--gradient-cyber);
  box-shadow: var(--glow-cyan);
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-desc {
  color: var(--text-secondary);
  line-height: 1.8;
}

.service-features {
  list-style: none;
  margin-top: 1.5rem;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features li::before {
  content: '▸';
  color: var(--accent-cyan);
}

/* ============================================
   News Section
   ============================================ */
.news-section {
  background: var(--secondary-dark);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.news-card {
  background: rgba(10, 14, 23, 0.8);
  border: var(--border-glow);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-cyan);
}

.news-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(168, 85, 247, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.news-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.news-card:hover .news-image::before {
  left: 100%;
}

.news-content {
  padding: 1.5rem;
}

.news-date {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 2px;
}

.news-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.news-link:hover {
  gap: 1rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  background: var(--primary-dark);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(17, 24, 39, 0.8);
  border: var(--border-glow);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateX(10px);
  box-shadow: var(--glow-cyan);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.contact-value {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-family: 'Rajdhani', sans-serif;
}

.contact-form {
  background: rgba(17, 24, 39, 0.8);
  border: var(--border-glow);
  border-radius: 20px;
  padding: 2.5rem;
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(10, 14, 23, 0.8);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.core-advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(10, 14, 23, 0.6);
  border-radius: 12px;
  border: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.3s ease;
}

.advantage-item:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
  transform: translateY(-2px);
}

.advantage-icon {
  font-size: 1.8rem;
  min-width: 40px;
  text-align: center;
}

.advantage-content h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.advantage-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--gradient-cyber);
  border: none;
  border-radius: 10px;
  color: var(--primary-dark);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

/* ============================================
   Footer
   ============================================ */
footer {
  background: var(--secondary-dark);
  border-top: var(--border-glow);
  padding: 3rem 0 1.5rem;
}

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

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-desc {
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 240, 255, 0.1);
}

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

.footer-bottom a {
  color: var(--accent-cyan);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--gradient-cyber);
  color: var(--primary-dark);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: var(--glow-cyan);
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */
.page-header {
  padding: 8rem 0 4rem;
  background: var(--gradient-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
}

.page-title {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
  font-family: 'Rajdhani', sans-serif;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb span {
  color: var(--accent-cyan);
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .about-visual {
    height: 300px;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    border-bottom: var(--border-glow);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-tagline {
    flex-direction: column;
    align-items: center;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .services-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  section {
    padding: 4rem 0;
  }
  
  .logo-text {
    font-size: 1rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}