:root {
  --brand: #FFE600; /* main logo color */
  --bg: #0a0a0a;
  --text: #eaeaea;
  --muted: #a1a1a1;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #000000;
  color: var(--text);
  overflow: hidden;
  position: relative;
}

/* Animated blurred background with yellow glows */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 230, 0, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 230, 0, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(255, 230, 0, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 20%, rgba(255, 230, 0, 0.07) 0%, transparent 50%);
  filter: blur(80px);
  animation: drift 25s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes drift {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(40px, -40px) scale(1.1);
  }
  66% {
    transform: translate(-40px, 40px) scale(0.9);
  }
}

/* Decorative yellow glows */
body::after {
  content: '';
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  background: radial-gradient(circle, #FFE600 0%, transparent 70%);
  top: 5%;
  left: 5%;
  animation: pulse 8s ease-in-out infinite;
  z-index: 0;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.1;
    transform: scale(1);
  }
  50% {
    opacity: 0.2;
    transform: scale(1.1);
  }
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  gap: 28px;
  padding: 24px;
  text-align: center;
}

.logo-wrap {
  display: flex;
  gap: 30px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 1.8vw, 18px);
  border-radius: 20px;
  background: rgba(10, 10, 10, 0.35);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0 80px rgba(255, 230, 0, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.logo {
  width: clamp(220px, 34vw, 460px);
  height: auto;
  filter: drop-shadow(0 10px 38px rgba(255, 230, 0, 0.45));
}

.typewriter {
  font-weight: 800;
  font-size: clamp(20px, 4vw, 48px);
  letter-spacing: 0.02em;
  line-height: 1.15;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.caret {
  width: 4px;
  height: 1.1em;
  background: var(--brand);
  border-radius: 2px;
  animation: blink 1s infinite steps(1, end);
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.btn {
  font-family: 'Orbitron', sans-serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 28px;
  border-radius: 14px;
  background: linear-gradient(180deg, #FFE600 0%, #ffdc00 100%);
  color: #0a0a0a;
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 20px);
  text-decoration: none;
  box-shadow: 0 10px 34px rgba(255, 230, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.35);
  transform: translateZ(0);
  transition: filter 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 16px 42px rgba(255, 230, 0, 0.6); }
.btn:active { transform: translateY(0); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

@media (max-width: 420px) {
  .hero { gap: 18px; }
  .btn { width: 100%; }
}

/* Phones */
@media (max-width: 480px) {
  .hero { gap: 32px; padding: 20px; }
  .logo-wrap { padding: 16px; gap: 36px; border-radius: 22px; }
  .logo { width: min(86vw, 460px); }
  .typewriter { font-size: clamp(24px, 6.2vw, 34px); }
  .btn { width: 100%; font-size: 27px; padding: 20px 24px; border-radius: 16px; }
}

/* Tablets */
@media (min-width: 481px) and (max-width: 1024px) {
  .hero { gap: 36px; padding: 24px; }
  .logo-wrap { padding: 20px; gap: 32px; }
  .logo { width: min(58vw, 520px); }
  .typewriter { font-size: clamp(28px, 4.5vw, 50px); }
  .btn { font-size: clamp(18px, 2.2vw, 22px); padding: 20px 28px; border-radius: 16px; }
}