/* Modern CSS Reset and Variables */
:root {
  /* Color System */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;

  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #737373;

  --accent-primary: #00f5ff;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #00f5ff, #7c3aed);

  --border-subtle: #262626;
  --border-accent: #333333;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(0, 245, 255, 0.1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;

  /* Z-Index Scale */
  --z-navigation: 1000;
  --z-modal: 1100;
  --z-tooltip: 1200;
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

/* Lists */
ul,
ol {
  list-style: none;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
}

/* Focus States */
*:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Background Effects */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(124, 58, 237, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(0, 245, 255, 0.06) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(124, 58, 237, 0.04) 0%,
      transparent 50%
    );
}

.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.star {
  position: absolute;
  width: 1px;
  height: 1px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: twinkle 3s infinite ease-in-out;
}

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-navigation);
  transition: all 0.3s ease;
}

nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: background 0.3s ease;
}

.mobile-menu-btn:hover {
  background: var(--bg-card);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 245, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-accent);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Projects */
.project-category {
  margin-bottom: var(--spacing-2xl);
}

.category-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
}

.project-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-accent);
}

.project-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  color: var(--bg-primary);
}

.project-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.project-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 245, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-status.active {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.project-status.development {
  background: rgba(249, 115, 22, 0.1);
  color: #f97316;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.team-member {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-member:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-accent);
}

.member-avatar {
  width: 120px;
  height: 120px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--bg-primary);
  margin: 0 auto var(--spacing-md);
  position: relative;
}

.member-avatar::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--bg-card);
  border-radius: 50%;
  z-index: 1;
}

.member-avatar i {
  z-index: 2;
  position: relative;
}

.team-member h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.team-role {
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.team-member p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About Section */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  text-align: left;
}

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

/* Vision Section */
.vision-content {
  max-width: 1000px;
  margin: 0 auto;
}

.vision-text {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.vision-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.principle-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-accent);
}

.principle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--accent-gradient);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  font-size: 1.8rem;
  color: var(--bg-primary);
}

.principle-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.principle-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact-details a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.contact-details a:hover {
  color: var(--accent-primary);
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-primary);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-primary);
}

.form-group select {
  cursor: pointer;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  transform: translateY(-2px);
  border-color: transparent;
}

.footer-links h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--spacing-lg);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

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

.footer-badges {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.badge i {
  color: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 var(--spacing-md);
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: var(--spacing-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a::after {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero p {
    font-size: 1.1rem;
  }

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

  .section {
    padding: 4rem 0;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .footer-brand p {
    max-width: none;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .nav-container {
    padding: 0 var(--spacing-sm);
  }

  .hero-content {
    padding: var(--spacing-sm) 0;
  }

  .project-card,
  .team-member,
  .principle-card,
  .contact-form {
    padding: var(--spacing-md);
  }

  .section-header {
    margin-bottom: var(--spacing-xl);
  }

  .contact-form {
    padding: var(--spacing-lg);
  }
}

/* Animations and Interactions */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .star {
    animation: none;
  }
}

/* Print Styles */
@media print {
  .animated-bg,
  .stars,
  nav,
  .hero-buttons,
  .contact-form,
  .footer-social {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    padding: 2rem 0;
  }
}