/* ---------- RESET ---------- */
* {
  margin: 0; 
  padding: 0; 
  box-sizing: border-box;
  font-family: "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- BODY ---------- */
body {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, #00ff88, transparent 40%),
              radial-gradient(circle at 80% 30%, #00ffaa, transparent 40%),
              linear-gradient(135deg, #050505, #001a0a);
  color: #fff;
  overflow: hidden;
  perspective: 1200px;
  position: relative;
}

/* ---------- CURSOR GLOW ---------- */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,255,120,0.3), transparent 60%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 50;
  transition: width 0.2s, height 0.2s, background 0.2s;
}

/* ---------- HOLOGRAPHIC FLOATING SHAPES ---------- */
.shapes span {
  position: absolute;
  border-radius: 24px;
  background: linear-gradient(135deg, #00ff88, #00cc66);
  opacity: 0.25;
  filter: blur(4px);
  animation: float 22s infinite ease-in-out;
  mix-blend-mode: screen;
}

.shapes span:nth-child(1) { width: 220px; height: 90px; top: 10%; left: 10%; }
.shapes span:nth-child(2) { width: 160px; height: 60px; bottom: 15%; left: 20%; }
.shapes span:nth-child(3) { width: 260px; height: 110px; top: 25%; right: 12%; }
.shapes span:nth-child(4) { width: 140px; height: 50px; bottom: 25%; right: 30%; }
.shapes span:nth-child(5) { width: 100px; height: 40px; top: 50%; right: 50%; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(10deg); }
  50% { transform: translateY(-60px) rotate(-10deg); }
  75% { transform: translateY(-30px) rotate(5deg); }
}

/* ---------- INTRO SCREEN ---------- */
#intro {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: linear-gradient(135deg, #000000ee, #000000ee);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 100;
  color: #00ff88;
  font-family: "Digital-7", monospace, sans-serif;
  user-select: none;
  overflow: hidden;
  filter: drop-shadow(0 0 6px #00ff88);
}

/* Starfield canvas */
#starfield {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
  background: transparent;
}

/* Cosmic rings swirling behind text */
.cosmic-rings {
  position: absolute;
  top: 50%; left: 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow:
    0 0 12px #00ff88aa,
    inset 0 0 40px #00ffaa88,
    0 0 80px #00ff88cc,
    inset 0 0 100px #00ffaaee;
  animation: spin 30s linear infinite;
  filter: drop-shadow(0 0 10px #00ff88);
  z-index: 5;
}

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

/* ---------- INTRO TEXT ---------- */
.glitch-text {
  animation: fadeZoomPulse 7s ease-in-out forwards;
  filter:
    drop-shadow(0 0 10px #00ff88)
    drop-shadow(0 0 20px #00ffaa)
    drop-shadow(0 0 30px #00ff88);
  color: #00ff88;
  font-size: 4.2rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  position: relative;
  z-index: 10;
}

.glitch-text::before,
.glitch-text::after { display: none; }

@keyframes fadeZoomPulse {
  0% {
    opacity: 0;
    transform: scale(0.8);
    filter: drop-shadow(0 0 10px #00ff88);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
    filter:
      drop-shadow(0 0 20px #00ffaa)
      drop-shadow(0 0 40px #00ffcc);
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter:
      drop-shadow(0 0 15px #00ff88)
      drop-shadow(0 0 30px #00ffaa);
  }
}

/* ---------- SCANNER LINE ---------- */
.scanner {
  position: absolute;
  bottom: 15%;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, transparent, #00ff88, transparent);
  animation: scanner-move 3.5s linear infinite;
  filter: drop-shadow(0 0 8px #00ff88);
  z-index: 10;
}

@keyframes scanner-move {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---------- GALAXY DUST + COMETS ---------- */
.galaxy-dust {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 8;
}

.dust-particle {
  position: absolute;
  background: rgba(0, 255, 136, 0.7);
  border-radius: 50%;
  filter: drop-shadow(0 0 6px #00ff88);
  animation: dust-float 6s infinite ease-in-out;
}

@keyframes dust-float {
  0% { transform: translateY(0) translateX(0) scale(1); opacity:1; }
  50% { transform: translateY(-30px) translateX(15px) scale(1.3); opacity:0.5; }
  100% { transform: translateY(0) translateX(0) scale(1); opacity:1; }
}

.comet {
  position: absolute;
  width: 3px; height: 80px;
  background: linear-gradient(45deg, #00ff88, transparent);
  filter: drop-shadow(0 0 8px #00ffaa);
  border-radius: 50%;
  animation: comet-move 2.5s ease-out infinite;
}

@keyframes comet-move {
  0% { transform: translate(0,0) rotate(0deg); opacity:1; }
  100% { transform: translate(-150px, 150px) rotate(45deg); opacity:0; }
}

/* ---------- MAIN CONTENT CARDS ---------- */
main {
  display: none;
  padding: 3rem;
  position: relative;
  z-index: 3;
  transform-style: preserve-3d;
  max-width: 960px;
  margin: 0 auto;
}

main.show {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
}

.card-link { text-decoration: none; color: inherit; }

.card {
  background: rgba(0, 255, 120, 0.08);
  border-radius: 22px;
  padding: 2.5rem;
  backdrop-filter: blur(18px);
  box-shadow:
    0 10px 30px rgba(0,255,120,0.2),
    0 0 0 1px rgba(0,255,120,0.15),
    inset 0 0 10px rgba(0,255,120,0.15);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  transform-style: preserve-3d;
  perspective: 1200px;
}

.card h2 {
  font-size: 1.6rem;
  margin-bottom: 0.6rem;
  text-shadow: 0 0 4px #00ff88;
}

.card p {
  opacity: 0.85;
  line-height: 1.6;
  text-shadow: 0 0 2px #00ff88;
}

.card-link:hover .card {
  transform: translateY(-18px) scale(1.05);
  box-shadow:
    0 40px 80px rgba(0,255,120,0.4),
    inset 0 0 0 1px rgba(0,255,120,0.6);
}
/* ---------- RESPONSIVE GRID ---------- */
@media (max-width: 1024px) {
  main.show {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
  }
  .card { padding: 2rem; border-radius: 20px; }
  .card h2 { font-size: 1.4rem; }
  .card p { font-size: 0.95rem; }
}

@media (max-width: 768px) {
  main.show {
    grid-template-columns: 1fr; /* Single column on tablets */
    gap: 1.8rem;
    padding: 2rem;
  }
  .card { padding: 1.8rem; border-radius: 18px; }
  .card h2 { font-size: 1.3rem; }
  .card p { font-size: 0.9rem; }
}

@media (max-width: 480px) {
  main.show {
    padding: 1rem;
    gap: 1.5rem;
  }
  .card {
    padding: 1.2rem;
    border-radius: 16px;
  }
  .card h2 { font-size: 1.1rem; }
  .card p { font-size: 0.85rem; }
}
/* ---------- GLITCH EFFECT ---------- */
.glitching {
  animation: glitch-colors 0.3s infinite alternate;
  text-shadow:
    2px 0 #00ff88,
    -2px 0 #00ffaa,
    0 2px #00ffcc,
    0 -2px #00ff99;
}

@keyframes glitch-colors {
  0% { text-shadow: 2px 0 #00ff88, -2px 0 #00ffaa, 0 2px #00ffcc, 0 -2px #00ff99; }
  50% { text-shadow: -2px 0 #00ffaa, 2px 0 #00ff88, 0 -2px #00ffcc, 0 2px #00ff99; }
  100% { text-shadow: 2px 0 #00ffcc, -2px 0 #00ff88, 0 2px #00ffaa, 0 -2px #00ff99; }
}

/* ---------- RESPONSIVE MOBILE ---------- */
@media (max-width: 768px) {
  #intro { padding: 1rem; }
  .glitch-text { font-size: 2.2rem !important; letter-spacing: 0.1em !important; animation-duration: 5s !important; }
  .cosmic-rings { width: 180px !important; height: 180px !important; }
  .shapes span:nth-child(1) { width: 140px; height: 50px; top: 5%; left: 5%; }
  .shapes span:nth-child(2) { width: 100px; height: 40px; bottom: 10%; left: 10%; }
  .shapes span:nth-child(3) { width: 160px; height: 70px; top: 20%; right: 5%; }
  .shapes span:nth-child(4) { width: 90px; height: 35px; bottom: 20%; right: 15%; }
  .shapes span:nth-child(5) { width: 70px; height: 28px; top: 45%; right: 45%; }
  .dust-particle, .comet { display: none; }
  main.show { grid-template-columns: 1fr !important; gap: 1.5rem !important; padding: 1.5rem !important; }
  .card { padding: 1.5rem !important; border-radius: 16px !important; }
  .card h2 { font-size: 1.2rem !important; }
  .card p { font-size: 0.9rem !important; }
}

@media (max-width: 480px) {
  .glitch-text { font-size: 1.8rem !important; letter-spacing: 0.08em !important; }
  .cosmic-rings { width: 140px !important; height: 140px !important; }
  main.show { padding: 1rem !important; }
  .card { padding: 1rem !important; }
  .card h2 { font-size: 1rem !important; }
  .card p { font-size: 0.85rem !important; }
}