@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;700&family=IBM+Plex+Mono:wght@400;700&family=Rajdhani:wght@500;700&family=VT323&display=swap');

:root {
  --bg-black: #0E0E0E;
  --neon-cyan: #00A3E0;
  --neon-cyan-dark: #0081B1;
  --text-grey: #8292A1;
  --glow-shadow: 0 0 12px rgba(0, 163, 224, 0.4);
  --border-glow: 1px solid rgba(0, 163, 224, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Cairo', 'IBM Plex Mono', sans-serif;
}

body {
  background-color: var(--bg-black);
  color: #fff;
  direction: rtl;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Background grid effect */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 163, 224, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 163, 224, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
}

header {
  padding: 80px 20px 40px;
  text-align: center;
  position: relative;
}

.header-tag {
  font-family: 'VT323', monospace;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--neon-cyan);
  opacity: 0.6;
  margin-bottom: 20px;
}

.logo-container {
  margin-bottom: 20px;
}

.logo-container img {
  max-width: 90px;
  filter: drop-shadow(var(--glow-shadow));
}

header h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 3.5rem;
  letter-spacing: 4px;
  color: var(--neon-cyan);
  text-transform: uppercase;
  margin: 0;
  text-shadow: var(--glow-shadow);
}

.hero {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px 40px;
  text-align: center;
}

.hero p {
  line-height: 1.8;
  color: var(--text-grey);
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.terminal-box {
  border: var(--border-glow);
  background: rgba(0, 204, 255, 0.02);
  padding: 30px;
  border-radius: 4px;
  position: relative;
  margin-bottom: 60px;
}

.terminal-box::before {
  content: "/VERSION_LOG: v1.0.0 /SYSTEM_STATUS: STABLE";
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--bg-black);
  padding: 0 10px;
  font-size: 14px;
  color: var(--neon-cyan);
  font-family: 'VT323', monospace;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 30px;
  font-family: 'Rajdhani', 'IBM Plex Mono', sans-serif;
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 700;
  color: var(--neon-cyan);
  background: transparent;
  border: 1px solid var(--neon-cyan);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 1px;
}

.btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-black);
  box-shadow: var(--glow-shadow);
}

.btn-primary {
  background: rgba(0, 204, 255, 0.1);
}

footer {
  margin-top: auto;
  padding: 60px 20px;
  text-align: center;
  border-top: var(--border-glow);
  background: rgba(0, 163, 224, 0.02);
}

.footer-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.footer-item {
  display: flex;
  gap: 10px;
  font-family: 'VT323', monospace;
  font-size: 16px;
  letter-spacing: 1px;
}

.footer-item .label {
  color: var(--neon-cyan);
  opacity: 0.6;
}

.footer-item .value {
  color: #fff;
}

.footer-credit {
  font-size: 12px;
  color: var(--text-grey);
  letter-spacing: 1px;
}

.footer-credit span {
  color: var(--neon-cyan);
  font-weight: bold;
}

/* Animations */
@keyframes flicker {
  0% { opacity: 0.95; }
  100% { opacity: 1; }
}

.neon-text {
  animation: flicker 0.1s infinite alternate;
}

@media (max-width: 600px) {
  header { padding: 40px 20px 20px; }
  header h1 { 
    font-size: 2rem; 
    letter-spacing: 2px;
  }
  .hero p { font-size: 1rem; }
  .btn { width: 100%; justify-content: center; }
}

.instructions {
  max-width: 600px;
  margin: 60px auto 100px;
  padding: 30px;
  border: var(--border-glow);
  background: rgba(0, 163, 224, 0.05);
  border-radius: 4px;
  text-align: right;
  direction: rtl;
}