:root {
  color-scheme: dark;
  --bg: #06090d;
  --bg-soft: #0b131a;
  --ink: #e8f1ec;
  --muted: #9eb4b1;
  --accent: #3aa7b4;
  --accent-2: #4cd7a5;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 22% 18%, rgba(58, 167, 180, 0.2), transparent 35%),
    radial-gradient(circle at 80% 78%, rgba(76, 215, 165, 0.16), transparent 38%),
    linear-gradient(165deg, var(--bg-soft), var(--bg));
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.2;
}

.holding-shell {
  position: relative;
  z-index: 2;
  width: min(680px, 100%);
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

#particles-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.holding-logo {
  width: clamp(132px, 20vw, 220px);
  height: auto;
  filter: drop-shadow(0 0 22px rgba(58, 167, 180, 0.28));
}

.holding-title {
  margin: 0;
  font-size: clamp(2rem, 8vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: 0.035em;
  font-weight: 700;
}

.holding-subtitle {
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: clamp(0.98rem, 2.5vw, 1.28rem);
}