@font-face {
  font-family: Rubik;
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/rubik-800.ttf') format('truetype');
}

@font-face {
  font-family: Rubik;
  font-style: italic;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/rubik-800-italic.ttf') format('truetype');
}

:root {
  color-scheme: dark;
  --black: #101010;
  --lime: #d7fa00;
  --yellow: #f7da00;
  --stroke: #2d2d2d;
  font-family: Rubik, sans-serif;
  font-weight: 800;
  background: var(--black);
  color: #fff;
}

* { box-sizing: border-box; }
body, body * { font-weight: 800; }

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-width: 280px;
  min-height: 100svh;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  flex-shrink: 0;
  background: var(--black);
  border-bottom: 2px solid var(--stroke);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: 1680px;
  min-height: 108px;
  margin: 0 auto;
  padding: 20px 40px;
}

.brand {
  flex: 0 1 300px;
  min-width: 180px;
  margin-right: auto;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.navigation {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-button,
.play-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 2px solid var(--stroke);
  border-radius: 8px;
  font-size: 18px;
  font-style: italic;
  font-weight: 800;
  line-height: 1;
  transition: transform 60ms ease-out, border-color 60ms ease-out, color 60ms ease-out, background-color 60ms ease-out;
}

.nav-button { padding: 0 24px; }

.nav-button:hover,
.nav-button[aria-current='page'] {
  border-color: var(--lime);
  color: var(--lime);
}

.nav-button:hover { transform: scale(1.035); }

.nav-button:active { background: #222; }

.play-button {
  flex-shrink: 0;
  gap: 14px;
  min-width: 156px;
  min-height: 60px;
  padding: 8px 24px 8px 8px;
  border-color: var(--lime);
  background: var(--lime);
  color: #080808;
  font-size: 26px;
  animation: play-color 1s linear infinite alternate;
}

.play-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 5px;
  background: #000;
  color: var(--lime);
}

.play-icon svg { width: 24px; height: 24px; }

.play-button:hover { transform: scale(1.035); }

.play-button:focus-visible { transform: scale(1.035); }

a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 5px;
}

.brand:focus-visible { border-radius: 4px; }

main { flex: 1; }

main:focus { outline: none; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 14px 20px;
  border-radius: 6px;
  background: var(--lime);
  color: #000;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

@keyframes play-color {
  from { background-color: var(--lime); }
  to { background-color: var(--yellow); }
}

@media (max-width: 1000px) {
  .header-inner { gap: 20px; padding: 20px 24px; }
  .brand { flex-basis: 240px; }
  .nav-button { padding: 0 16px; font-size: 16px; }
  .play-button { min-width: 132px; padding-right: 18px; }
}

@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 18px; padding: 20px; }
  .brand { flex: 1 1 0; min-width: 0; max-width: 250px; }
  .play-button { flex: 0 0 124px; margin-left: auto; min-width: 124px; min-height: 52px; padding-right: 14px; font-size: 22px; gap: 10px; }
  .play-icon { width: 32px; height: 32px; }
  .play-icon svg { width: 20px; height: 20px; }
  .navigation { order: 3; width: 100%; gap: 8px; }
  .nav-button { flex: 1; min-height: 46px; padding: 0 12px; }
}

@media (max-width: 430px) {
  .header-inner { column-gap: 14px; padding: 16px; }
  .nav-button { font-size: 14px; padding: 0 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .play-button { animation: none; }
  .nav-button, .play-button { transition: none; }
}