:root {
  color-scheme: dark;
  --page: #111210;
  --panel: rgb(14 15 14 / 88%);
  --text: #f7f4ef;
  --text-soft: rgb(247 244 239 / 70%);
  --text-muted: rgb(247 244 239 / 48%);
  --line: rgb(255 255 255 / 15%);
  --accent: #df3b31;
  --accent-dark: #b92720;
}

*,
*::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(--page);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.landing {
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 4vw, 60px);
  background:
    linear-gradient(135deg, rgb(0 0 0 / 30%), rgb(0 0 0 / 56%)),
    url("../images/warehouse-neutral.png") center / cover no-repeat;
}

.partnership-card {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 20px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 34px 100px rgb(0 0 0 / 55%);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.partnership-card__message,
.partnership-card__offer {
  min-height: 480px;
  padding: clamp(42px, 5.5vw, 76px);
}

.partnership-card__message {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

h1 {
  margin: 0;
  font-size: clamp(3.8rem, 7vw, 6.9rem);
  line-height: 0.88;
  letter-spacing: -0.068em;
}

.summary {
  max-width: 540px;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.65;
}

.partnership-card__offer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--line);
  background: rgb(255 255 255 / 2%);
}

.benefits {
  margin: 0 0 32px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.benefits li {
  min-height: 58px;
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.benefits span {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.benefits strong {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary-action {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 15px 14px 22px;
  border: 1px solid #ef554a;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 18px 42px rgb(0 0 0 / 38%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-decoration: none;
  transition: filter 160ms ease, transform 160ms ease;
}

.primary-action__arrow {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 42%);
  border-radius: 6px;
  font-size: 1.1rem;
}

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

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

.age-notice {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-align: center;
}

@media (max-width: 880px) {
  .landing {
    padding: 18px;
  }

  .partnership-card {
    width: min(650px, 100%);
    grid-template-columns: 1fr;
  }

  .partnership-card__message,
  .partnership-card__offer {
    min-height: auto;
    padding: 36px 30px;
  }

  .partnership-card__message {
    padding-bottom: 30px;
  }

  .partnership-card__offer {
    padding-top: 30px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  h1 {
    font-size: clamp(3.4rem, 12vw, 5.8rem);
  }
}

@media (max-width: 520px) {
  .landing {
    padding: 12px;
    background-position: 58% center;
  }

  .partnership-card {
    border-radius: 14px;
  }

  .partnership-card__message,
  .partnership-card__offer {
    padding-inline: 20px;
  }

  .partnership-card__message {
    padding-block: 30px 26px;
  }

  .partnership-card__offer {
    padding-block: 24px 22px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.3rem);
  }

  .summary {
    margin-top: 22px;
  }

  .primary-action {
    min-height: 66px;
    font-size: 0.74rem;
  }
}

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