:root {
  --navy: #001f5b;
  --ice: #a0c4e7;
  --white: #ffffff;
}

/* Removed cursor: none so you can see the pointer */
body {
  margin: 0;
  overflow: hidden;
  background: #000;
  font-family: "Inter", sans-serif;
  cursor: default;
}

#container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#intro-overlay {
  position: fixed;
  z-index: 100;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle, transparent 0%, var(--navy) 100%);
  transition: opacity 2s ease;
}

.intro-content {
  text-align: center;
  color: var(--white);
}
h1 {
  font-size: 4rem;
  letter-spacing: 12px;
  margin-bottom: 10px;
  color: var(--ice);
  font-weight: 900;
}

#enter-btn {
  padding: 15px 30px;
  background: transparent;
  border: 2px solid var(--ice);
  color: var(--white);
  cursor: pointer;
  letter-spacing: 3px;
  transition: 0.3s;
}
#enter-btn:hover {
  background: var(--ice);
  color: var(--navy);
}

#main-nav {
  position: fixed;
  top: 40px;
  right: 40px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.nav-item {
  color: var(--ice);
  cursor: pointer;
  font-weight: bold;
  font-size: 0.8rem;
  text-align: right;
  transition: 0.3s;
  opacity: 0.6;
}
.nav-item.active {
  opacity: 1;
  transform: translateX(-10px);
  color: var(--white);
}

#ui-layer {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  perspective: 1200px;
}

.info-card {
  position: fixed;
  left: 10%;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  width: 850px;
  background: rgba(0, 31, 91, 0.4);
  padding: 40px;
  border-left: 4px solid var(--ice);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.info-card.active {
  opacity: 1;
  pointer-events: all;
}

.details-text {
  font-size: 13px;
  line-height: 1.8;
  color: #e0eaf5;
  column-count: 2;
  column-gap: 30px;
  margin-top: 15px;
}

/* Snowflake particles will still spawn behind the cursor */
.cursor-flake {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  color: white;
  text-shadow: 0 0 5px var(--ice);
  user-select: none;
  font-weight: bold;
}

.hidden {
  display: none !important;
  opacity: 0;
}
/* MOBILE OPTIMIZATION */
@media (max-width: 768px) {
    /* Make the title fit the screen */
    h1 { font-size: 2.2rem; letter-spacing: 4px; padding: 0 20px; }

    /* Move navigation to the bottom for easy thumb access */
    #main-nav {
        top: auto;
        bottom: 20px;
        right: 0;
        width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 15px;
        background: rgba(0, 31, 91, 0.8);
        padding: 15px 0;
        backdrop-filter: blur(10px);
    }

    .nav-item {
        font-size: 0.65rem;
        text-align: center;
    }
    
    .nav-item.active { transform: translateY(-5px); }

    /* Adjust the Info Card for vertical viewing */
    .info-card {
        left: 5% !important;
        top: 45% !important;
        width: 90% !important;
        max-width: none;
        padding: 25px;
        box-sizing: border-box;
    }

    /* Stack the 10 points into one column */
    .details-text {
        column-count: 1;
        font-size: 11px;
        line-height: 1.6;
    }
}