:root {
  --bg: #050505;
  --panel: rgba(20, 16, 34, 0.78);
  --panel-border: rgba(161, 0, 255, 0.24);
  --text: #ededed;
  --muted: #b8b8c2;
  --purple: #a100ff;
  --purple-deep: #5b00b5;
  --cta: #b6ff2e;
  --cta-text: #101206;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: radial-gradient(circle at 50% 0%, #101018 0%, var(--bg) 50%, #030303 100%);
  color: var(--text);
  font-family: "Sora", "Segoe UI", sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -3;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(150px);
  opacity: 0.3;
}

body::before {
  width: 42vw;
  height: 42vw;
  min-width: 320px;
  min-height: 320px;
  left: -8vw;
  top: -8vh;
  background: radial-gradient(circle at 40% 40%, rgba(161, 0, 255, 0.85), rgba(91, 0, 181, 0.18) 70%);
  animation: drift-a 18s ease-in-out infinite alternate;
}

body::after {
  width: 44vw;
  height: 44vw;
  min-width: 340px;
  min-height: 340px;
  right: -8vw;
  top: 8vh;
  background: radial-gradient(circle at 65% 35%, rgba(91, 0, 181, 0.85), rgba(161, 0, 255, 0.16) 70%);
  animation: drift-b 16s ease-in-out infinite alternate;
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(38vw 30vw at 52% 72%, rgba(91, 0, 181, 0.45), transparent 72%),
    radial-gradient(32vw 24vw at 48% 28%, rgba(161, 0, 255, 0.33), transparent 70%);
  filter: blur(8px);
  animation: aurora-shift 14s ease-in-out infinite alternate;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  background-image: radial-gradient(circle, #fff 0.5px, transparent 0.6px);
  background-size: 4px 4px;
}

.site-shell {
  min-height: 100vh;
  padding: 20px 22px 42px;
}

.topbar-wrap {
  display: flex;
  justify-content: center;
}

.topbar {
  width: min(1040px, 100%);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.35);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.top-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.top-links a {
  color: #dedee7;
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  transition: color 160ms ease;
}

.top-links a:hover {
  color: #ffffff;
}

.top-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.link-login {
  color: #f2f2fa;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 999px;
  padding: 0 28px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-neon {
  background: var(--cta);
  color: var(--cta-text);
  box-shadow: 0 0 0 1px rgba(182, 255, 46, 0.45), 0 14px 36px rgba(182, 255, 46, 0.16);
}

.btn-neon:hover {
  background: #c4ff54;
  box-shadow: 0 0 0 1px rgba(196, 255, 84, 0.52), 0 18px 40px rgba(182, 255, 46, 0.22);
}

.btn-outline {
  color: #d8c8ff;
  border: 1px solid rgba(161, 0, 255, 0.75);
  background: rgba(91, 0, 181, 0.08);
}

.btn-outline:hover {
  background: rgba(161, 0, 255, 0.17);
  color: #ece3ff;
}

.hero {
  max-width: 980px;
  margin: 108px auto 0;
  text-align: center;
  padding: 0 14px;
}

.hero-kicker {
  margin: 0;
  color: #a6a6bc;
  font-weight: 600;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
}

.hero-title {
  margin: 20px 0 0;
  font-size: clamp(2.15rem, 7.1vw, 5.4rem);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-title span {
  display: block;
}

.hero-title .highlight {
  color: var(--cta);
  text-shadow: 0 0 24px rgba(182, 255, 46, 0.22);
}

.hero-subtitle {
  width: min(720px, 100%);
  margin: 26px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.38rem);
  line-height: 1.5;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .topbar {
    border-radius: 24px;
  }

  .top-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-shell {
    padding: 14px 14px 30px;
  }

  .topbar {
    min-height: 66px;
    padding: 10px 12px;
  }

  .brand-logo {
    height: 28px;
  }

  .top-actions {
    gap: 10px;
  }

  .top-actions .btn {
    min-height: 44px;
    padding: 0 16px;
    font-size: 0.88rem;
  }

  .link-login {
    font-size: 0.88rem;
  }

  .hero {
    margin-top: 72px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 300px;
    margin-inline: auto;
    margin-top: 28px;
  }
}

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

@keyframes drift-a {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(9vw, 6vh, 0) scale(1.13);
  }
}

@keyframes drift-b {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(-10vw, 8vh, 0) scale(1.16);
  }
}

@keyframes aurora-shift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(0, -2vh, 0) scale(1.05);
  }
}