:root {
  color-scheme: dark;
  --text: #f6f7f8;
  --line: rgba(255, 255, 255, 0.18);
  --glass: rgba(10, 12, 15, 0.28);
  --accent: #7cffc5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  overflow: hidden;
  background: #050608;
  color: var(--text);
}

a {
  color: inherit;
}

.backdrop-video {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.96) contrast(1.04) brightness(0.9);
  transform: scale(1.02);
}

body.is-locked .backdrop-video {
  filter: saturate(0.72) contrast(1.06) brightness(0.48) blur(18px);
  transform: scale(1.08);
}

body.is-entered .backdrop-video {
  filter: saturate(0.96) contrast(1.04) brightness(0.9);
  transform: scale(1.02);
}

.enter-gate {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  border: 0;
  color: #fff;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.08), transparent 28%),
    rgba(3, 4, 6, 0.2);
  cursor: pointer;
}

.enter-gate span {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(10, 12, 15, 0.34);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px) saturate(130%);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.enter-gate:hover span,
.enter-gate:focus-visible span {
  border-color: rgba(124, 255, 197, 0.56);
  background: rgba(124, 255, 197, 0.12);
  transform: translateY(-1px);
}

.enter-gate:focus-visible {
  outline: none;
}

body.is-entered .enter-gate {
  opacity: 0;
  pointer-events: none;
  transition: opacity 360ms ease;
}

.site-header {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px) saturate(130%);
  transition: opacity 260ms ease;
}

body.is-locked .site-header {
  opacity: 0.35;
  pointer-events: none;
}

body.is-entered .site-header {
  opacity: 1;
  pointer-events: auto;
}

.icon-link {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.icon-link:hover,
.icon-link:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
  outline: none;
}

.icon-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact-warning {
  width: min(420px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--text);
  background: rgba(7, 9, 12, 0.78);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(22px) saturate(130%);
}

.contact-warning::backdrop {
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(10px);
}

.contact-warning form {
  margin: 0;
  padding: 22px;
}

.contact-warning h2 {
  margin: 0 0 12px;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.contact-warning p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
  line-height: 1.5;
}

.warning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.warning-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.07);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.warning-button:hover,
.warning-button:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.13);
  outline: none;
}

.warning-button.primary {
  border-color: rgba(124, 255, 197, 0.42);
  background: rgba(124, 255, 197, 0.14);
}

.warning-button.ghost {
  color: rgba(255, 255, 255, 0.64);
}

@media (max-width: 640px) {
  .site-header {
    top: 16px;
    right: 16px;
    gap: 6px;
  }

  .icon-link {
    width: 40px;
    height: 40px;
  }

  .contact-warning form {
    padding: 18px;
  }

  .warning-actions {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .icon-link,
  .warning-button,
  .enter-gate span {
    transition: none;
  }
}