/* ===================================
   CSS Custom Properties
   =================================== */
:root {
  /* Colors */
  --color-primary: #00D4FF;
  --color-secondary: #FF6B4A;
  --color-accent-green: #7CFF6B;
  --color-accent-purple: #9B6BFF;
  --color-dark: #1A1D29;
  --color-light: #F8F9FA;
  --color-mid: #6C7A89;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1A1D29 0%, #2D3142 100%);
  --gradient-accent: linear-gradient(90deg, #00D4FF, #9B6BFF);
  --gradient-card: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(155, 107, 255, 0.1));

  /* Typography */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

/* ===================================
   Skip Link (Accessibility)
   =================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-dark);
  color: var(--color-light);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* ===================================
   Container
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===================================
   Header
   =================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(26, 29, 41, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  padding: var(--spacing-sm) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.5rem;
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background: var(--color-light);
  transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-light);
  transition: var(--transition-base);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Navigation */
.nav-links {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(26, 29, 41, 0.98);
  list-style: none;
  padding: var(--spacing-md);
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

.nav-links a {
  display: block;
  padding: var(--spacing-sm);
  color: var(--color-light);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
  background: var(--gradient-hero);
  overflow: hidden;
}

/* Dynamic Background Elements Container */
.hero-bg-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-element {
  pointer-events: none;
}

.bg-element svg {
  width: 100%;
  height: 100%;
}

.circuit-pattern {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h80M10 10v80M90 10v80M10 90h80M50 10v30M50 60v30M10 50h30M60 50h30' stroke='%2300D4FF' stroke-width='0.5' fill='none' opacity='0.15'/%3E%3Ccircle cx='10' cy='10' r='2' fill='%2300D4FF' opacity='0.2'/%3E%3Ccircle cx='90' cy='10' r='2' fill='%2300D4FF' opacity='0.2'/%3E%3Ccircle cx='10' cy='90' r='2' fill='%2300D4FF' opacity='0.2'/%3E%3Ccircle cx='90' cy='90' r='2' fill='%2300D4FF' opacity='0.2'/%3E%3Ccircle cx='50' cy='50' r='3' fill='%2300D4FF' opacity='0.2'/%3E%3C/svg%3E");
  background-size: 100px 100px;
  opacity: 0.5;
}

.floating-gears {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.gear {
  position: absolute;
  color: var(--color-primary);
  opacity: 0.1;
}

.gear-1 {
  width: 120px;
  height: 120px;
  top: 10%;
  left: 5%;
}

.gear-2 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 10%;
}

.gear-3 {
  width: 60px;
  height: 60px;
  bottom: 15%;
  left: 15%;
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
  max-width: 600px;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-light);
  margin-bottom: var(--spacing-sm);
}

.title-line {
  display: block;
}

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

.tagline {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--color-mid);
  margin-bottom: var(--spacing-md);
}

.tagline::before {
  content: '$ ';
  color: var(--color-accent-green);
}

/* Primary Button */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary {
  background: var(--color-secondary);
  color: var(--color-light);
}

.btn-primary:hover {
  color: var(--color-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 107, 74, 0.4);
}

/* Hero Illustration */
.hero-illustration {
  position: relative;
  margin-top: var(--spacing-lg);
  padding: 20px;
  z-index: 1;
}

.robot-mascot {
  width: 240px;
  height: 320px;
  overflow: visible;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* ===================================
   About Section
   =================================== */
.about {
  padding: var(--spacing-xl) 0;
  background: var(--color-light);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.about-intro {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-mid);
  line-height: 1.8;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.feature-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

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

/* ===================================
   Meetings Section
   =================================== */
.meetings {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-hero);
}

.meetings .section-title {
  color: var(--color-light);
}

.meetings-intro {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-mid);
}

.meetings-intro a {
  color: var(--color-primary);
}

.meetings-intro a:hover {
  color: var(--color-accent-green);
}

.meetings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.meeting-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.meeting-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-primary);
}

.meeting-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  color: var(--color-primary);
}

.meeting-card h3 {
  font-size: 1.5rem;
  color: var(--color-light);
  margin-bottom: var(--spacing-xs);
}

.meeting-schedule {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-accent-green);
  margin-bottom: var(--spacing-sm);
}

.meeting-details {
  color: var(--color-mid);
  line-height: 1.7;
}

.meeting-details a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.meeting-details a:hover {
  color: var(--color-secondary);
}

/* ===================================
   Connect Section
   =================================== */
.connect {
  padding: var(--spacing-xl) 0;
  background: var(--color-light);
}

.connect-intro {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-mid);
  margin-bottom: var(--spacing-lg);
}

.connect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.connect-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.connect-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.connect-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.connect-icon.discord {
  color: #5865F2;
}

.connect-icon.email {
  color: var(--color-secondary);
}

.connect-card h3 {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.connect-card p {
  color: var(--color-mid);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.connect-link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
}

/* ===================================
   Footer
   =================================== */
.site-footer {
  background: var(--color-dark);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer-robot {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-sm);
}

.footer-tagline {
  font-family: var(--font-mono);
  color: var(--color-mid);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.footer-copyright {
  color: var(--color-mid);
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ===================================
   Scroll Animation Classes
   =================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}