/* PROTOSchem promo card (design 2b – "Yellow wash")
   Rendered by src/components/protoschempromo.jsx under the hero DOWNLOAD button.
   Kept out of style.css so it is fetched fresh (css files are cached as immutable). */
.ps-promo {
  --ps-yellow-1: #fbcf4f;
  --ps-yellow-2: #ffe07e;
  --ps-ink: #15202a;
  --ps-ink-soft: #3a3320;
  --ps-navy: #18222b;

  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 18px;
  /* Not a fixed width: the hero (.intro) is display: table and would grow to fit it */
  width: 100%;
  max-width: 640px;
  min-height: 124px;
  margin: 56px auto 0;
  padding: 16px 24px;
  border-radius: 18px;
  overflow: hidden;
  color: var(--ps-ink);
  text-decoration: none;
  text-align: left;
  background-image:
    linear-gradient(100deg,
      rgba(251, 207, 79, .97) 0%,
      rgba(255, 224, 126, .92) 45%,
      rgba(255, 224, 126, .55) 75%,
      rgba(255, 224, 126, .25) 100%),
    url("/img/protoschem-banner.webp");
  background-size: cover, cover;
  background-position: center, right center;
  background-repeat: no-repeat;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
  transition: transform .2s ease, box-shadow .2s ease;
}
/* Beats the global a:hover / a:focus link colour in style.css */
.ps-promo:hover,
.ps-promo:focus {
  color: var(--ps-ink);
}
.ps-promo:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, .5);
}
.ps-promo:active { transform: translateY(-1px); }
.ps-promo:focus-visible {
  outline: 2px solid var(--ps-yellow-2);
  outline-offset: 4px;
}

.ps-promo__icon {
  flex: none;
  width: 60px;
  height: 60px;
  border-radius: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
}

.ps-promo__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.ps-promo__kicker {
  font: 800 11px/1.2 "Raleway", sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.ps-promo__title {
  font: 500 22px/1.2 "Ubuntu", sans-serif;
}
.ps-promo__desc {
  font: 400 14px/1.4 "Ubuntu", sans-serif;
  color: var(--ps-ink-soft);
}

.ps-promo__cta {
  flex: none;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 44px;
  padding: 0 20px;
  border-radius: 22px;
  background: var(--ps-navy);
  color: var(--ps-yellow-2);
  font: 700 13px/1 "Raleway", sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background .2s ease;
}
.ps-promo:hover .ps-promo__cta { background: #0f171d; }

/* Mobile */
@media (max-width: 600px) {
  .ps-promo {
    gap: 14px;
    min-height: 0;
    margin-top: 40px;
    padding: 14px 16px;
    border-radius: 16px;
    background-position: center, 70% center;
  }
  .ps-promo__icon { width: 48px; height: 48px; border-radius: 11px; }
  .ps-promo__title { font-size: 18px; }
  .ps-promo__desc { font-size: 13px; }
  .ps-promo__cta { height: 40px; padding: 0 14px; font-size: 12px; }
}
/* Narrow phones: arrow-only button so kicker, title and description all fit */
@media (max-width: 400px) {
  .ps-promo { gap: 12px; padding: 12px 14px; }
  /* 3px left padding optically centres the ▶ glyph in the circle */
  .ps-promo__cta { box-sizing: border-box; width: 40px; padding: 0 0 0 3px; justify-content: center; border-radius: 50%; }
  .ps-promo__cta-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ps-promo, .ps-promo__cta { transition: none; }
  .ps-promo:hover { transform: none; }
}