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

:root {
  /* Colors */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #0f0f1a;
  --color-bg-card: rgba(15, 15, 25, 0.5);
  --color-accent-green: #00ff88;
  --color-accent-cyan: #00d4ff;
  --color-accent-pink: #ff00aa;
  --color-text-primary: #ffffff;
  --color-text-secondary: #e0e0e0;
  --color-text-muted: #888888;
  --color-text-dark: #666666;
  --color-border: #1a1a2a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(90deg, #00ff88, #00d4ff);
  --gradient-text: linear-gradient(90deg, #00ff88 0%, #00d4ff 50%, #ff00aa 100%);
  --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #0f0f1a 50%, #0a0f0a 100%);
  
  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--gradient-bg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   Background Effects
======================================== */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  animation: float 15s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.6; }
  25% { transform: translateY(-30px) translateX(10px); opacity: 0.8; }
  50% { transform: translateY(-10px) translateX(-10px); opacity: 0.4; }
  75% { transform: translateY(-40px) translateX(5px); opacity: 0.7; }
}

/* ========================================
   Container
======================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 48px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 80px;
  }
}

/* ========================================
   Navigation
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0.8) 50%, transparent 100%);
  animation: slideDown 0.8s var(--transition-smooth);
}

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

@media (min-width: 768px) {
  .navbar {
    padding: 24px 48px;
  }
}

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

.logo-img {
  height: 18px;
  width: auto;
}

@media (min-width: 768px) {
  .logo-img {
    height: 29px;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-accent-green);
  transition: var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Nav Links */
.nav-links {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 999;
}

.nav-links.active {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 768px) {
  .nav-links {
    position: static;
    flex-direction: row;
    gap: 40px;
    background: none;
    opacity: 1;
    visibility: visible;
  }
}

.nav-link {
  color: var(--color-text-muted);
  font-size: 24px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-accent-green);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

@media (min-width: 768px) {
  .nav-link {
    font-size: 13px;
  }
}

/* ========================================
   Buttons
======================================== */
.btn {
  display: inline-block;
  padding: 16px 32px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: var(--font-mono);
  transition: var(--transition-fast);
  text-align: center;
}

@media (min-width: 768px) {
  .btn {
    padding: 18px 40px;
    font-size: 14px;
  }
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-accent-green);
  color: var(--color-accent-green);
}

.btn-outline:hover {
  background: var(--color-accent-green);
  color: var(--color-bg-primary);
}

/* ========================================
   Hero Section
======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 120px 0 60px;
  position: relative;
}

@media (min-width: 768px) {
  .hero {
    padding: 0;
  }
}

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

@media (min-width: 1024px) {
  .hero-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 10;
  animation: fadeUp 1s var(--transition-slow);
  text-align: center;
}

@media (min-width: 1024px) {
  .hero-content {
    text-align: left;
  }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--color-accent-green);
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .hero-badge {
    font-size: 12px;
    letter-spacing: 4px;
  }
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 10vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
}

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

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

.hero-description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 18px;
    margin-bottom: 48px;
  }
}

@media (min-width: 1024px) {
  .hero-description {
    margin: 0 0 48px 0;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

@media (min-width: 480px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .hero-buttons {
    justify-content: flex-start;
  }
}

/* Hero Visual - Orbital System */
.hero-visual {
  display: none;
  position: relative;
  width: 420px;
  height: 420px;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .hero-visual {
    display: block;
    animation: fadeIn 1.2s ease 0.5s both;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.orbital-system {
  position: relative;
  width: 100%;
  height: 100%;
}

.core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  animation: pulseSlow 4s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(0, 255, 136, 0.4);
}

@keyframes pulseSlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.ring-1 {
  width: 180px;
  height: 180px;
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.ring-2 {
  width: 300px;
  height: 300px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.ring-3 {
  width: 400px;
  height: 400px;
  border: 1px dashed rgba(255, 0, 170, 0.15);
}

.orbiter {
  position: absolute;
  top: 50%;
  left: 50%;
}

.orbiter-1 {
  animation: orbit 8s linear infinite;
}

.orbiter-2 {
  animation: orbitReverse 6s linear infinite;
}

.orbiter-3 {
  animation: orbit 12s linear infinite;
  animation-delay: -3s;
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

@keyframes orbitReverse {
  from { transform: rotate(0deg) translateX(80px) rotate(0deg); }
  to { transform: rotate(-360deg) translateX(80px) rotate(360deg); }
}

.orbiter-dot {
  width: 20px;
  height: 20px;
  background: var(--color-accent-green);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
  margin-left: -10px;
  margin-top: -10px;
}

.orbiter-dot.cyan {
  width: 14px;
  height: 14px;
  background: var(--color-accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
  margin-left: -7px;
  margin-top: -7px;
}

.orbiter-dot.pink {
  width: 10px;
  height: 10px;
  background: var(--color-accent-pink);
  box-shadow: 0 0 12px rgba(255, 0, 170, 0.6);
  margin-left: -5px;
  margin-top: -5px;
}

/* ========================================
   Sections - Common Styles
======================================== */
.section {
  padding: 80px 24px;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: 120px 48px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 120px 80px;
  }
}

.section-header {
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 80px;
  }
}

.section-tag {
  display: block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--color-accent-cyan);
  margin-bottom: 16px;
}

.section-tag.pink {
  color: var(--color-accent-pink);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-title.center {
  text-align: center;
}

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

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

/* ========================================
   Services Section
======================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 480px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .service-card {
    padding: 40px 32px;
  }
}

.service-card:hover,
.service-card.active {
  background: linear-gradient(135deg, rgba(0,255,136,0.1) 0%, rgba(0,212,255,0.05) 100%);
  border-color: var(--color-accent-green);
}

.service-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.4s ease;
}

.service-card:hover .service-bar,
.service-card.active .service-bar {
  width: 100%;
}

.service-icon {
  font-size: 28px;
  margin-bottom: 20px;
  color: #333;
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .service-icon {
    font-size: 32px;
    margin-bottom: 24px;
  }
}

.service-card:hover .service-icon,
.service-card.active .service-icon {
  color: var(--color-accent-green);
}

.service-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .service-title {
    font-size: 18px;
    margin-bottom: 16px;
  }
}

.service-card:hover .service-title,
.service-card.active .service-title {
  color: var(--color-text-primary);
}

.service-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-dark);
}

@media (min-width: 768px) {
  .service-desc {
    font-size: 14px;
  }
}

/* ========================================
   Products Section
======================================== */
.products {
  background: linear-gradient(180deg, transparent 0%, rgba(0,255,136,0.02) 50%, transparent 100%);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.product-card {
  background: rgba(15, 15, 25, 0.6);
  border: 1px solid var(--color-border);
  padding: 32px;
  transition: var(--transition-smooth);
}

@media (min-width: 768px) {
  .product-card {
    padding: 40px;
  }
}

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

.product-status {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--color-accent-cyan);
  margin-bottom: 24px;
}

.product-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .product-title {
    font-size: 22px;
  }
}

.product-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-dark);
}

/* ========================================
   About Section
======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
}

.about-content .section-tag {
  margin-bottom: 16px;
}

.about-content .section-title {
  margin-bottom: 32px;
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .about-text {
    font-size: 16px;
  }
}

.about-text:last-child {
  margin-bottom: 0;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 480px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .values-grid {
    gap: 24px;
  }
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 24px;
}

@media (min-width: 768px) {
  .value-card {
    padding: 32px;
  }
}

.value-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent-green);
  margin-bottom: 12px;
}

.value-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-dark);
}

/* ========================================
   Contact Section
======================================== */
.contact {
  text-align: center;
}

.contact-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,255,136,0.08) 0%, transparent 60%);
  pointer-events: none;
}

@media (min-width: 768px) {
  .contact-glow {
    width: 600px;
    height: 600px;
  }
}

.contact .section-tag {
  display: block;
}

.contact .section-title {
  margin-bottom: 24px;
}

.contact-description {
  font-size: 16px;
  color: var(--color-text-dark);
  max-width: 500px;
  margin: 0 auto 40px;
}

@media (min-width: 768px) {
  .contact-description {
    font-size: 18px;
    margin-bottom: 48px;
  }
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

@media (min-width: 480px) {
  .contact-buttons {
    flex-direction: row;
    gap: 24px;
    margin-bottom: 60px;
  }
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 24px;
}

@media (min-width: 768px) {
  .social-links {
    gap: 32px;
  }
}

.social-link {
  color: #444;
  font-size: 13px;
  letter-spacing: 2px;
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent-green);
}

/* ========================================
   Footer
======================================== */
.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .footer {
    padding: 48px;
  }
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-email {
  color: var(--color-accent-green);
  font-size: 14px;
  letter-spacing: 1px;
  transition: var(--transition-fast);
}

.footer-email:hover {
  color: var(--color-accent-cyan);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.footer-copyright {
  color: #444;
  font-size: 13px;
}

/* ========================================
   Animations for Scroll Reveal
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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