/* Custom Premium Vanilla CSS Stylesheet */

:root {
  --bg-primary: #070a13;
  --bg-card: rgba(15, 23, 42, 0.65);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-glow: rgba(59, 130, 246, 0.12);
  --border-color: rgba(255, 255, 255, 0.08);
  --container-max-width: 1200px;
}

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

html,
body {
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background Gradients & Glows */
body::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background:
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 45%);
  z-index: -1;
  pointer-events: none;
  animation: backgroundShift 25s ease-in-out infinite alternate;
}

@keyframes backgroundShift {
  0% {
    transform: scale(1) translate(0, 0);
  }

  100% {
    transform: scale(1.05) translate(2%, 2%);
  }
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header Styling */
.main-header {
  background-color: rgba(7, 10, 19, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 850;
  letter-spacing: -0.05em;
  color: var(--accent-blue);
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  display: inline-block;
}

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

.logo:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-blue);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-nav a:hover {
  color: var(--text-primary);
}

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

.main-nav a.active {
  color: var(--accent-blue);
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
}

/* Welcome Card (Work In Progress) */
.welcome-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 2rem;
  padding: 4.5rem 3rem;
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 50px 0 var(--accent-glow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  /* Initial Fade-In Animation */
  animation: cardFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.welcome-title {
  font-size: 2.5rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #93c5fd, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.welcome-text {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2rem;
}

/* Accent Pulse Indicator Dot inside the card */
.welcome-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.indicator-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-blue);
  border-radius: 50%;
  position: relative;
}

.indicator-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-blue);
  border-radius: 50%;
  animation: dotPulse 2s infinite ease-in-out;
}

@keyframes dotPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  100% {
    transform: scale(3.5);
    opacity: 0;
  }
}

/* Footer Styling */
.main-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  background-color: rgba(7, 10, 19, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.footer-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-footer p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* Responsive Scaling */
@media (max-width: 640px) {
  .welcome-card {
    padding: 3rem 1.5rem;
  }

  .welcome-title {
    font-size: 2rem;
  }
}

/* Smooth motion accessibility */
@media screen and (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::before {
    animation: none;
  }

  .welcome-card {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .indicator-dot::after {
    animation: none;
  }
}