:root {
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.88);
  --bg: #05060c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Outfit", "Segoe UI", sans-serif;
}

.stage {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: url("assets/scene.png") center / cover no-repeat;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding: clamp(28px, 4.2vh, 48px) clamp(28px, 4.5vw, 64px) 0;
}

.logo {
  margin: 0;
  font-size: clamp(30px, 3.1vw, 44px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 0.95;
}

.logo-mark {
  color: #fff;
}

.logo-name {
  background: linear-gradient(90deg, #ff4fd0 0%, #d126ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.academy {
  margin: 10px 0 0;
  font-size: clamp(9px, 0.78vw, 12px);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav {
  margin: 8px 0 0;
  font-size: clamp(10px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav span {
  margin: 0 0.35em;
  letter-spacing: 0;
  opacity: 0.85;
}

.hero {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 90px;
  pointer-events: none;
}

.ring {
  width: 58px;
  height: 58px;
  margin-bottom: 28px;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg,
    #35e4ff 0deg,
    #6d8cff 80deg,
    #e23cff 170deg,
    #ff2fbe 230deg,
    transparent 268deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
  animation: spin 3.4s linear infinite;
}

h1 {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.upgrading {
  font-size: clamp(36px, 5.4vw, 76px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.experience {
  font-size: clamp(40px, 5.8vw, 82px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
  background: linear-gradient(90deg, #3ad7ff 0%, #7a7dff 42%, #ff3ec8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rule {
  width: 78px;
  height: 1px;
  margin: 26px 0 18px;
  background: rgba(255, 255, 255, 0.92);
}

.soon {
  margin: 0;
  font-size: clamp(11px, 0.95vw, 14px);
  font-weight: 400;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  text-indent: 0.52em;
}

.promise {
  position: absolute;
  left: clamp(28px, 4.5vw, 64px);
  bottom: clamp(28px, 4.5vh, 48px);
  margin: 0;
  font-size: clamp(10px, 0.78vw, 12px);
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 1.55;
  text-transform: uppercase;
  color: var(--muted);
}

.ticks {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.ticks::before,
.ticks::after {
  content: "";
  display: block;
  height: 1px;
  background: rgba(255, 255, 255, 0.9);
}

.ticks::before {
  width: 34px;
}

.ticks::after {
  width: 18px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 720px) {
  .top {
    flex-direction: column;
    gap: 18px;
  }

  .nav {
    letter-spacing: 0.16em;
  }

  .hero {
    padding-top: 180px;
    align-items: flex-start;
    text-align: left;
    padding-left: 28px;
    padding-right: 28px;
  }

  h1 {
    align-items: flex-start;
  }

  .soon {
    letter-spacing: 0.32em;
    text-indent: 0.32em;
  }

  .stage {
    background-position: 72% center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ring {
    animation: none;
  }
}