:root {
  color-scheme: dark;
  --bg: #000;
  --text: #fff;
  --muted-border: rgba(255, 255, 255, 0.28);
  --button-bg: rgba(255, 255, 255, 0.055);
  --button-bg-hover: rgba(255, 255, 255, 0.13);
  --button-shadow: 0 20px 70px rgba(255, 255, 255, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: inherit;
}

.page-shell {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(28px, 5vw, 72px);
}

.hero {
  width: min(100%, 920px);
  min-height: calc(100svh - clamp(56px, 10vw, 144px));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 4vw, 44px);
}

.brand-logo {
  display: block;
  width: min(86vw, 760px);
  height: auto;
  max-height: min(40svh, 260px);
  object-fit: contain;
  filter: invert(1) drop-shadow(0 0 34px rgba(255, 255, 255, 0.08));
}

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.social-link {
  min-width: 156px;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid var(--muted-border);
  border-radius: 999px;
  background: var(--button-bg);
  box-shadow: var(--button-shadow);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.social-link:hover {
  background: var(--button-bg-hover);
  border-color: rgba(255, 255, 255, 0.62);
  box-shadow: 0 24px 84px rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

.social-link:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.social-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: currentColor;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 520px) {
  .page-shell {
    padding: 24px;
  }

  .hero {
    min-height: calc(100svh - 48px);
    gap: 28px;
  }

  .brand-logo {
    width: min(88vw, 340px);
    max-height: 34svh;
  }

  .social-links {
    width: min(100%, 260px);
  }

  .social-link {
    width: 100%;
  }
}

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