:root {
  color-scheme: dark;
  --color-page: #080706;
  --color-panel: rgb(10 10 10 / 76%);
  --color-panel-border: rgb(255 255 255 / 20%);
  --color-text: #fff;
  --color-text-soft: rgb(255 255 255 / 76%);
  --color-text-muted: rgb(255 255 255 / 50%);
  --color-label: #f3d1cc;
  --color-button-start: #e83e2f;
  --color-button-end: #c7251f;
  --content-width: 560px;
  --button-width: 420px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  background: var(--color-page);
  font-family: Arial, Helvetica, sans-serif;
}

.hero {
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(rgb(0 0 0 / 36%), rgb(0 0 0 / 46%)),
    url("../images/warehouse-background.png") center / cover no-repeat;
}

.promotion {
  width: min(var(--content-width), 100%);
  padding: 36px 34px 30px;
  border: 1px solid var(--color-panel-border);
  border-radius: 10px;
  background: var(--color-panel);
  box-shadow: 0 24px 70px rgb(0 0 0 / 50%);
  color: var(--color-text);
  text-align: center;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.promotion__highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.promotion__highlights li {
  padding: 7px 10px;
  border: 1px solid rgb(255 255 255 / 30%);
  border-radius: 999px;
  color: var(--color-label);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.promotion__title {
  margin: 22px 0 12px;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.promotion__description {
  margin: 0 auto 25px;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.55;
}

.promotion__action {
  width: min(var(--button-width), 100%);
  min-height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 24px;
  border: 1px solid #f15c46;
  border-radius: 5px;
  background: linear-gradient(
    135deg,
    var(--color-button-start),
    var(--color-button-end)
  );
  box-shadow: 0 18px 45px rgb(0 0 0 / 48%);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  transition: filter 160ms ease, transform 160ms ease;
}

.promotion__action:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.promotion__action:focus-visible {
  outline: 3px solid rgb(255 255 255 / 92%);
  outline-offset: 4px;
}

.promotion__notice {
  display: block;
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 10px;
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .hero {
    padding: 18px;
    background-position: 8% center;
  }

  .promotion {
    padding: 28px 18px 23px;
  }

  .promotion__title {
    font-size: clamp(40px, 13vw, 52px);
  }

  .promotion__description {
    font-size: 14px;
  }

  .promotion__action {
    width: 100%;
    min-height: 60px;
    padding-inline: 14px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .promotion__action {
    transition: none;
  }
}