/* MetricOrbit - Liquid Glass Design System */

/* === CSS Variables === */
:root {
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --accent-blue: #4f9cf9;
  --accent-purple: #a855f7;
  --accent-cyan: #22d3ee;
  --accent-green: #10b981;
  --accent-orange: #f97316;
  --orbit-glow: rgba(79, 156, 249, 0.4);
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0f0f2a 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* === Animated Background Stars === */
.stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: var(--radius-full);
  animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* === Glass Components === */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  transition: all 0.4s var(--transition-smooth);
}

.glass:hover {
  background: var(--glass-bg-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  transition: all 0.4s var(--transition-smooth);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  box-shadow: 0 4px 20px rgba(79, 156, 249, 0.4);
  transform: scale(1.05);
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 6rem 2rem 4rem;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 10;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.4s var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white;
  box-shadow: 0 4px 20px rgba(79, 156, 249, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(79, 156, 249, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-3px);
}

/* === Orbital Animation === */
.orbital-container {
  position: absolute;
  width: 600px;
  height: 600px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0.6;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(79, 156, 249, 0.2);
  border-radius: var(--radius-full);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.orbit-1 { width: 200px; height: 200px; animation: orbit-rotate 20s linear infinite; }
.orbit-2 { width: 350px; height: 350px; animation: orbit-rotate 30s linear infinite reverse; }
.orbit-3 { width: 500px; height: 500px; animation: orbit-rotate 40s linear infinite; }

@keyframes orbit-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.metric-node {
  position: absolute;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 0 20px var(--orbit-glow);
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--orbit-glow); }
  50% { box-shadow: 0 0 40px var(--orbit-glow), 0 0 60px rgba(79, 156, 249, 0.2); }
}

.orbit-1 .metric-node { top: 0; left: 50%; transform: translate(-50%, -50%); }
.orbit-2 .metric-node { top: 50%; right: 0; transform: translate(50%, -50%); }
.orbit-3 .metric-node { bottom: 0; left: 50%; transform: translate(-50%, 50%); }

.central-core {
  position: absolute;
  width: 100px;
  height: 100px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px var(--orbit-glow), 0 0 80px rgba(168, 85, 247, 0.3);
  animation: core-pulse 4s ease-in-out infinite;
}

@keyframes core-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.05); }
}

/* === Sections === */
section {
  padding: 6rem 2rem;
  position: relative;
  z-index: 10;
}

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

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* === Features Grid === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* === Metrics Showcase === */
.metrics-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.metric-item {
  text-align: center;
  padding: 2rem;
}

.metric-value {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

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

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

.about-text h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-visual {
  position: relative;
  height: 400px;
}

/* === Team Grid === */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-card {
  text-align: center;
}

.team-avatar {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: var(--radius-full);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.team-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.team-card span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* === Contact Form === */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 1rem 1.25rem;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s var(--transition-smooth);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(79, 156, 249, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* === Footer === */
.footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s var(--transition-smooth);
}

.social-links a:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.5rem 1rem;
    gap: 1rem;
  }

  .nav-links {
    display: none;
  }

  .orbital-container {
    width: 350px;
    height: 350px;
    opacity: 0.4;
  }

  .orbit-1 { width: 120px; height: 120px; }
  .orbit-2 { width: 200px; height: 200px; }
  .orbit-3 { width: 300px; height: 300px; }

  .central-core {
    width: 60px;
    height: 60px;
  }

  .metric-node {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* === Page Specific === */
.page-hero {
  padding-top: 10rem;
  padding-bottom: 4rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* === Utility === */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-cyan { color: var(--accent-cyan); }
.accent-green { color: var(--accent-green); }
.accent-orange { color: var(--accent-orange); }
.accent-purple { color: var(--accent-purple); }