:root {
  color-scheme: dark;
  --ink: #f7f9ff;
  --muted: #c2cce0;
  --line: rgba(255, 255, 255, 0.2);
  --panel: rgba(8, 20, 43, 0.58);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --blue: #2f63ff;
  --blue-deep: #071123;
  --focus: #86a7ff;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--blue-deep);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(63, 111, 255, 0.42), transparent 28rem),
    radial-gradient(circle at 82% 22%, rgba(31, 88, 255, 0.34), transparent 32rem),
    linear-gradient(145deg, #040913 0%, #071123 34%, #0b2452 68%, #0f3bd0 100%);
  background-size: 120% 120%, 130% 130%, 100% 100%;
  overflow-x: hidden;
  animation: background-drift 24s var(--ease) infinite alternate;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.08), transparent 28%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 8rem);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
  animation: reflection-drift 18s var(--ease) infinite alternate;
}

.splash {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.hero-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: min(100%, 58rem);
  padding: clamp(1.35rem, 3.8vw, 3.25rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04)),
    var(--panel);
  box-shadow:
    0 2rem 5rem rgba(0, 0, 0, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(22px) saturate(135%);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
  animation: panel-enter 700ms var(--ease) both;
}

.hero-panel::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.18), transparent 22% 72%, rgba(255, 255, 255, 0.08)),
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.12), transparent 32rem);
  opacity: 0.72;
}

.brand-lockup {
  display: flex;
  justify-content: center;
  margin: 0 auto clamp(1.45rem, 3vw, 2.35rem);
}

.brand-logo {
  width: min(100%, 40.75rem);
  height: auto;
  filter: drop-shadow(0 1rem 1.5rem rgba(0, 0, 0, 0.24));
  animation: logo-enter 650ms var(--ease) both;
}

.hero-copy {
  max-width: 50rem;
  margin: 0 auto;
  text-align: center;
}

.notice {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  margin: 0 0 0.9rem;
  padding: 0.42rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #eef3ff;
  background: rgba(255, 255, 255, 0.08);
  font-size: clamp(0.82rem, 1.35vw, 0.95rem);
  font-weight: 650;
  line-height: 1.25;
}

.eyebrow {
  margin: 0 0 clamp(0.75rem, 1.5vw, 1rem);
  color: #dfe7ff;
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 680;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.55rem, 6vw, 5rem);
  font-weight: 780;
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
}

.body-copy {
  max-width: 42.5rem;
  margin: clamp(1.1rem, 2.3vw, 1.45rem) auto 0;
  color: #d0d8ea;
  font-size: clamp(1.02rem, 1.7vw, 1.13rem);
  font-weight: 450;
  line-height: 1.72;
  text-wrap: pretty;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: clamp(1.65rem, 3vw, 2.15rem);
}

.button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  min-width: 13.4rem;
  padding: 0.82rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 0.8rem 1.8rem rgba(0, 0, 0, 0.18);
  transition:
    transform 180ms var(--ease),
    border-color 180ms var(--ease),
    background 180ms var(--ease),
    box-shadow 180ms var(--ease);
}

.button::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transform: translateX(-45%);
  transition: opacity 180ms var(--ease), transform 380ms var(--ease);
}

.button::after {
  position: relative;
  margin-left: 0.55rem;
  content: "\2192";
  transition: transform 180ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 1rem 2.2rem rgba(0, 0, 0, 0.25);
}

.button:hover::before {
  opacity: 1;
  transform: translateX(45%);
}

.button:hover::after {
  transform: translateX(0.18rem);
}

.button:focus-visible {
  outline: 3px solid #dfe7ff;
  outline-offset: 4px;
  box-shadow:
    0 0 0 6px rgba(47, 99, 255, 0.42),
    0 1rem 2.2rem rgba(0, 0, 0, 0.25);
}

.button.primary {
  border-color: rgba(134, 167, 255, 0.65);
  background: linear-gradient(135deg, #2e61ff, #1737a9);
  box-shadow: 0 1rem 2rem rgba(14, 53, 190, 0.3);
}

.button.secondary {
  background: var(--panel-strong);
}

.site-footer {
  position: fixed;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.8rem;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  color: rgba(247, 249, 255, 0.82);
  font-size: 0.86rem;
  text-align: center;
  animation: footer-enter 800ms var(--ease) 120ms both;
}

.site-footer p,
.site-footer a {
  margin: 0;
}

.site-footer a {
  color: rgba(247, 249, 255, 0.9);
  text-decoration-color: rgba(247, 249, 255, 0.5);
  text-underline-offset: 0.18rem;
}

.site-footer a:hover {
  color: var(--ink);
}

.site-footer a:focus-visible {
  outline: 3px solid #dfe7ff;
  outline-offset: 4px;
  border-radius: 4px;
}

@media (max-width: 720px) {
  .splash {
    align-items: start;
    min-height: calc(100vh - 4.5rem);
    padding-top: 1rem;
    padding-bottom: 5.5rem;
  }

  .hero-panel {
    padding: 1.05rem;
  }

  .brand-lockup {
    margin-bottom: 1.2rem;
  }

  .notice {
    margin-bottom: 0.8rem;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 430px) {
  .brand-logo {
    width: min(100%, 20.8rem);
  }

  .notice {
    display: flex;
    justify-content: center;
    padding-right: 0.62rem;
    padding-left: 0.62rem;
  }

  .eyebrow {
    text-transform: none;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 2.95rem);
  }

  .body-copy {
    font-size: 1rem;
    line-height: 1.62;
  }

  .site-footer {
    gap: 0.2rem;
    font-size: 0.82rem;
  }

  .site-footer p,
  .site-footer a {
    flex-basis: 100%;
  }
}

@supports not ((backdrop-filter: blur(1rem)) or (-webkit-backdrop-filter: blur(1rem))) {
  .hero-panel {
    background: rgba(8, 20, 43, 0.9);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes logo-enter {
  from {
    opacity: 0;
    transform: translateY(0.4rem) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes footer-enter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes background-drift {
  from {
    background-position: 0% 0%, 100% 0%, center;
  }

  to {
    background-position: 4% 2%, 96% 6%, center;
  }
}

@keyframes reflection-drift {
  from {
    transform: translateX(-1.2rem);
  }

  to {
    transform: translateX(1.2rem);
  }
}
