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

:root {
  --c1: #ff2bd6;
  --c2: #9b30ff;
  --c3: #00f6ff;
  --c4: #aaff00;
}

html, body {
  min-height: 100%;
  font-family: 'Trebuchet MS', 'Segoe UI', Verdana, sans-serif;
  color: #f5f5ff;
  overflow-x: hidden;
}

body {
  position: relative;
  background: linear-gradient(120deg, #0a0014, #150024, #03101a, #1a0026);
  background-size: 400% 400%;
  animation: bgshift 22s ease infinite;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@keyframes bgshift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  filter: blur(60px) saturate(160%);
  opacity: 0.55;
}

.blob { position: absolute; border-radius: 50%; mix-blend-mode: screen; }
.blob.b1 { width: 42vw; height: 42vw; left: -10vw; top: -8vw; background: radial-gradient(circle, var(--c1), transparent 70%); animation: float1 18s ease-in-out infinite; }
.blob.b2 { width: 50vw; height: 50vw; right: -15vw; top: 10vh; background: radial-gradient(circle, var(--c3), transparent 70%); animation: float2 24s ease-in-out infinite; }
.blob.b3 { width: 38vw; height: 38vw; left: 20vw; bottom: -14vw; background: radial-gradient(circle, var(--c2), transparent 70%); animation: float3 20s ease-in-out infinite; }
.blob.b4 { width: 30vw; height: 30vw; right: 10vw; bottom: -10vw; background: radial-gradient(circle, var(--c4), transparent 70%); animation: float1 26s ease-in-out infinite reverse; }

@keyframes float1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(5vw, 8vh) scale(1.15); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-8vw, 6vh) scale(0.9); } }
@keyframes float3 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(6vw, -7vh) scale(1.1); } }

header, main, footer { position: relative; z-index: 1; }

header { text-align: center; padding: 9vh 5vw 3vh; }

.logo {
  font-size: clamp(2.6rem, 9vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  background: linear-gradient(90deg, var(--c1), var(--c3), var(--c4), var(--c2), var(--c1));
  background-size: 300% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hueflow 6s linear infinite;
  text-shadow: 0 0 30px rgba(255, 43, 214, 0.35);
}

@keyframes hueflow { to { background-position: 300% center; } }

.subtitle {
  margin-top: 1.2rem;
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c3);
  text-shadow: 0 0 12px rgba(0, 246, 255, 0.6);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3vh 6vw 10vh;
  gap: 2rem;
}

.tagline {
  max-width: 38rem;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  line-height: 1.6;
  color: #e8e3ff;
}

.cta {
  display: inline-block;
  padding: 0.95rem 2.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: #0a0014;
  background: linear-gradient(90deg, var(--c3), var(--c4));
  border-radius: 999px;
  box-shadow: 0 0 25px rgba(0, 246, 255, 0.55), 0 0 50px rgba(170, 255, 0, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cta:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 0 35px rgba(0, 246, 255, 0.8), 0 0 70px rgba(170, 255, 0, 0.4); }

footer {
  text-align: center;
  padding: 2.5rem 5vw 3rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 255, 0.4);
}