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

:root {
  --bg-main: #070a13;
  --bg-card: rgba(16, 22, 38, 0.6);
  --bg-card-hover: rgba(22, 30, 52, 0.8);
  --border-card: rgba(255, 255, 255, 0.06);
  --border-card-hover: rgba(0, 242, 254, 0.3);
  
  --primary: #00f2fe;
  --secondary: #4facfe;
  --accent: #fa5252;
  --accent-hover: #e64545;
  
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.15);
  --shadow-glow-strong: 0 0 30px rgba(0, 242, 254, 0.3);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

/* Background Glowing Orbs */
.glow-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  top: 0;
  left: 0;
  z-index: -1;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.12;
  mix-blend-mode: screen;
  animation: float 20s infinite alternate;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 80%);
  top: -100px;
  right: -50px;
}

.orb-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 80%);
  bottom: 20%;
  left: -200px;
  animation-delay: -5s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #7928ca 0%, transparent 80%);
  bottom: -100px;
  right: 10%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 30px) scale(1.1); }
  100% { transform: translate(-20px, -50px) scale(0.9); }
}

/* Typography & Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* Navigation */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 10, 19, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-card);
  padding: 16px 0;
  transition: var(--transition);
}

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

.topnav .logo {
  display: flex;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

.topnav .logo span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 6px;
}

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

.topnav .nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  margin-left: 32px;
  transition: var(--transition);
}

.topnav .nav-links a:hover {
  color: var(--primary);
}

.topnav .nav-links .cta-nav {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  margin-left: 32px;
}

.topnav .nav-links .cta-nav:hover {
  background: var(--primary);
  color: #070a13;
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}

.lang-switcher {
  display: inline-flex;
  gap: 8px;
  margin-left: 32px;
  border-left: 1px solid var(--border-card);
  padding-left: 20px;
}

.lang-switcher a {
  margin: 0 !important;
  font-size: 0.85rem !important;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.lang-switcher a.active-lang {
  background: rgba(0, 242, 254, 0.08);
  color: var(--primary) !important;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

/* Hero Section */
#home {
  padding-top: 180px;
  padding-bottom: 120px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #070a13;
  border: none;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border-card);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* System Visualizer (Hero Graphic) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1.1;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.visual-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.3), transparent);
}

/* Dashboard UI inside visual panel */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

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

.dash-header .dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.dash-header .dots span:nth-child(1) { background: #ff5f56; }
.dash-header .dots span:nth-child(2) { background: #ffbd2e; }
.dash-header .dots span:nth-child(3) { background: #27c93f; }

.dash-header .title {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.dash-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dash-row {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 16px;
}

.dash-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.dash-metric .label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dash-metric .value {
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.dash-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.dash-progress {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  width: 0%;
  animation: loadBar 3s ease-out forwards infinite alternate;
}

.dash-progress-2 {
  width: 0%;
  background: linear-gradient(90deg, #7928ca, var(--secondary));
  animation: loadBar2 3s ease-out forwards infinite alternate;
}

.dash-progress-3 {
  width: 0%;
  background: linear-gradient(90deg, #00d2ff, #00f260);
  animation: loadBar3 3s ease-out forwards infinite alternate;
}

@keyframes loadBar {
  0% { width: 10%; }
  100% { width: 95%; }
}
@keyframes loadBar2 {
  0% { width: 30%; }
  100% { width: 88%; }
}
@keyframes loadBar3 {
  0% { width: 50%; }
  100% { width: 100%; }
}

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

.visual-radial {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 20px;
  aspect-ratio: 1;
}

.radial-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 4px solid rgba(0, 242, 254, 0.1);
  border-top-color: var(--primary);
  animation: spin 4s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.radial-circle span {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  animation: counterSpin 4s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}
@keyframes counterSpin {
  100% { transform: rotate(-360deg); }
}

/* Metrics Section */
#metrics {
  background: rgba(255, 255, 255, 0.01);
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  padding: 60px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
}

.metric-card {
  padding: 20px;
}

.metric-num {
  font-size: 3.5rem;
  font-weight: 700;
  font-family: var(--font-title);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  text-shadow: var(--shadow-glow);
}

.metric-label {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.metric-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About Section */
#about {
  background: transparent;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.about-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.about-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

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

/* Services Section */
#services {
  background: transparent;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 40px;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--primary);
  border: 1px solid rgba(0, 242, 254, 0.2);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: #070a13;
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.service-card p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Contact Section */
#contact {
  background: transparent;
}

.contact-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 50px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 16px 16px 0 0;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 14px;
  font-size: 1rem;
  color: #fff;
  font-family: var(--font-body);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

textarea.form-control {
  resize: vertical;
}

.contact-card button {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border: none;
  border-radius: 8px;
  color: #070a13;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  box-shadow: var(--shadow-glow);
}

.contact-card button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  filter: brightness(1.05);
}

.contact-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: center;
}

.contact-note strong {
  color: var(--text-muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-card);
  padding: 40px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }
  
  .topnav {
    padding: 12px 0;
  }
  
  .topnav .nav-links {
    display: none; /* In a real product we'd add a burger menu, but for single landing page it keeps it clean */
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-card {
    padding: 30px 20px;
  }
}