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

:root {
  --bg: #050507;
  --bg-soft: #0e1017;
  --text: #f5f5f7;
  --muted: rgba(245, 245, 247, 0.72);
  --border: rgba(255, 255, 255, 0.16);
  --card: rgba(15, 18, 27, 0.58);
  --glow-a: rgba(83, 138, 255, 0.3);
  --glow-b: rgba(165, 230, 255, 0.22);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 16% -12%, rgba(85, 137, 255, 0.2), transparent 62%),
    radial-gradient(900px 620px at 85% -10%, rgba(84, 190, 255, 0.14), transparent 66%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 62%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(2px);
}

body::before {
  width: 48vw;
  height: 48vw;
  top: -20vw;
  left: -16vw;
  background: radial-gradient(circle, var(--glow-a) 0%, transparent 64%);
  animation: driftA 14s var(--ease) infinite alternate;
}

body::after {
  width: 40vw;
  height: 40vw;
  right: -14vw;
  bottom: -18vw;
  background: radial-gradient(circle, var(--glow-b) 0%, transparent 66%);
  animation: driftB 16s var(--ease) infinite alternate;
}

.topbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(245, 245, 247, 0.88);
  font-size: 13px;
  letter-spacing: 0.02em;
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #58e481;
  box-shadow: 0 0 16px rgba(88, 228, 129, 0.95);
  animation: pulse 2s ease-in-out infinite;
}

.hero {
  min-height: 100svh;
  padding: clamp(84px, 10vh, 120px) 24px 72px;
  display: grid;
  place-items: center;
}

.panel {
  width: min(980px, 100%);
  text-align: center;
  padding: clamp(38px, 7vw, 72px);
  border-radius: 30px;
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 42px 110px rgba(0, 0, 0, 0.52);
  animation: fadeUp 0.9s var(--ease) both;
}

.kicker {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 245, 247, 0.62);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(38px, 6.1vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  font-weight: 700;
  max-width: 13ch;
  margin: 0 auto;
  text-wrap: balance;
}

.subtitle {
  margin-top: 26px;
  font-size: clamp(19px, 2.2vw, 30px);
  line-height: 1.25;
  color: var(--muted);
  letter-spacing: -0.02em;
}

.line {
  width: min(240px, 50%);
  height: 2px;
  margin: 34px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.78) 50%, transparent 100%);
  opacity: 0.72;
}

footer {
  padding: 0 24px 26px;
  text-align: center;
  color: rgba(245, 245, 247, 0.48);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .topbar {
    top: 12px;
  }

  .panel {
    border-radius: 24px;
    padding: 34px 22px 40px;
  }

  .kicker {
    margin-bottom: 14px;
  }

  .subtitle {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.28);
    opacity: 1;
  }
}

@keyframes driftA {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(6vw, 2vw, 0) scale(1.07);
  }
}

@keyframes driftB {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-5vw, -2vw, 0) scale(1.09);
  }
}