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

body {
  min-height: 100dvh;
  background: #000000;
  color: #ffffff;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

a {
  text-decoration: none;
}

/* ── Glow background ── */
.glow-top {
  position: fixed;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.055) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite;
  z-index: 0;
}

.glow-bottom {
  position: fixed;
  bottom: -100px;
  left: 20%;
  width: 360px;
  height: 360px;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.025) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Main content ── */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 680px;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  z-index: 1;
}

main.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Logo ── */
.logo {
  width: clamp(160px, 28vw, 220px);
  height: auto;
  margin-bottom: 8px;
  animation: fadeUp 0.8s ease 0.1s both;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #888;
  background: rgba(255,255,255,0.04);
  animation: fadeUp 0.8s ease 0.2s both;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  display: inline-block;
  flex-shrink: 0;
  animation: dotPulse 2s ease-in-out infinite;
}

/* ── Heading ── */
h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 28px 0 20px;
  background: linear-gradient(135deg, #ffffff 60%, #888888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Body text ── */
.subtitle {
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  color: #a0a0a0;
  line-height: 1.65;
  margin-bottom: 12px;
  max-width: 520px;
}

.description {
  font-size: 0.875rem;
  color: #636363;
  line-height: 1.6;
  margin-bottom: 48px;
  max-width: 460px;
}

/* ── Buttons ── */
.buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  color: #aaaaaa;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.07);
  color: #ffffff;
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.22);
}

/* ── Footer ── */
footer {
  position: fixed;
  bottom: 28px;
  left: 0;
  right: 0;
  text-align: center;
  color: #3a3a3a;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 1.2s ease 0.4s;
  z-index: 1;
}

footer.visible {
  opacity: 1;
}

/* ── Keyframes ── */
@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: translateX(-50%) scale(1); }
  50%       { opacity: 0.7; transform: translateX(-50%) scale(1.06); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes dotPulse {
  0%, 100% { opacity: 0.25; }
  50%       { opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 480px) {
  body { padding: 20px 16px; }
  .buttons { flex-direction: column; align-items: center; }
  .btn-ghost { width: 100%; max-width: 280px; }
}