/* Import modern science/tech fonts from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;700&family=Orbitron:wght@400;600;800;900&display=swap');

/* Reset and Global Variables */
:root {
  --bg-deep: #03030c;
  --bg-space: #070716;
  --color-primary: #00f5d4;   /* Supernova Cyan */
  --color-secondary: #9d4edd; /* Nebula Purple */
  --color-accent: #ffb703;    /* Stellar Gold */
  --text-main: #f8f9fa;
  --text-muted: #9da4b0;
  --font-title: 'Orbitron', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glow-shadow: 0 0 20px rgba(0, 245, 212, 0.35);
  --glow-shadow-purple: 0 0 20px rgba(157, 78, 221, 0.35);
}

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

html, body {
  width: 100%;
  height: 100%;
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-deep);
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--bg-deep);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 245, 212, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
}

/* Base Canvas for Stars background */
#space-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(circle at center, var(--bg-space) 0%, var(--bg-deep) 100%);
}

/* Nebula background overlays for depth */
.nebula-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(circle at 20% 30%, rgba(157, 78, 221, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 245, 212, 0.05) 0%, transparent 40%);
  filter: blur(80px);
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(3, 3, 12, 0.4);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 0 2rem;
  transition: var(--transition-smooth);
}

.nav-container {
  width: 100%;
  max-width: 1400px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-decoration: none;
  color: var(--text-main);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.logo span {
  color: var(--color-primary);
  text-shadow: 0 0 10px rgba(0, 245, 212, 0.5);
}

.logo-icon {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  position: relative;
  box-shadow: var(--glow-shadow);
  animation: orbit-rotate 10s linear infinite;
}

.logo-icon::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: var(--transition-smooth);
  box-shadow: var(--glow-shadow);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Glassmorphism Panel/Card Base */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(0, 245, 212, 0.2);
  box-shadow: 0 12px 40px 0 rgba(0, 245, 212, 0.08);
}

/* Glow Button Styles */
.glow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--text-main);
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--glow-shadow);
}

.glow-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--color-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  transition: width 0.6s ease, height 0.6s ease;
}

.glow-btn:hover {
  color: var(--bg-deep);
  box-shadow: 0 0 30px var(--color-primary);
  text-shadow: none;
}

.glow-btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Page Layout Wrappers */
.page-container {
  min-height: 100vh;
  width: 100%;
  padding-top: 100px;
  padding-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Common Animations */
@keyframes orbit-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.6;
    box-shadow: 0 0 15px var(--color-primary);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 30px var(--color-primary);
  }
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.pulse-glow-effect {
  animation: pulse-glow 3s infinite ease-in-out;
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple for now, can be mobile menu or small links */
  }
  .navbar {
    padding: 0 1rem;
  }
}