/* =========================================================
   Pharoah Technology Ltd — /products/ page extension styles
   Extends assets/css/styles.css (tokens, nav, footer, buttons,
   .section, .feature, .badge etc. are reused as-is). This file
   only adds what product depth pages need on top of that.
   ========================================================= */

/* ---------- Breadcrumbs ---------- */
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: 'Exo 2', sans-serif; font-size: 0.78rem; font-weight: 600;
  color: var(--muted); padding: 128px 0 0;
}
.crumbs a { color: var(--silver); transition: color .2s; }
.crumbs a:hover { color: var(--gold-lt); }
.crumbs span[aria-hidden] { color: var(--gold); opacity: 0.6; }
.crumbs .is-current { color: var(--gold-lt); }

/* ---------- Product hero band ---------- */
.pd-hero { padding: 34px 0 70px; position: relative; }
.pd-hero__top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.pd-hero__name { font-size: clamp(2.1rem, 5.4vw, 3.4rem); margin-bottom: 18px; }
.pd-hero__positioning { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--silver); max-width: 720px; margin-bottom: 34px; }
.pd-hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Feature groups ---------- */
.pd-groups { display: flex; flex-direction: column; gap: 46px; }
.pd-group__name {
  font-family: 'Exo 2', sans-serif; font-weight: 800; font-size: 1.02rem;
  color: var(--gold-lt); letter-spacing: 0.02em; margin-bottom: 20px;
}
.pd-group__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* ---------- Architecture diagram ---------- */
.pd-arch { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.pd-arch__copy p { margin-bottom: 16px; font-size: 1.02rem; }
.pd-arch__diagram { display: flex; justify-content: center; }
.pd-arch__diagram svg { width: 100%; max-width: 460px; height: auto; }
.pd-arch__alt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Use cases ---------- */
.pd-usecases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pd-usecase {
  padding: 26px 26px 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); transition: transform .3s var(--ease), border-color .3s;
}
.pd-usecase:hover { transform: translateY(-4px); border-color: rgba(212,175,55,0.45); }
.pd-usecase h3 { font-size: 1.08rem; color: var(--gold-lt); margin-bottom: 10px; }
.pd-usecase p { font-size: 0.94rem; }

/* ---------- FAQ accordions ---------- */
.pd-faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.pd-faq details {
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  padding: 4px 22px; transition: border-color .25s var(--ease), background .25s var(--ease);
}
.pd-faq details[open] { border-color: rgba(212,175,55,0.45); background: rgba(212,175,55,0.04); }
.pd-faq summary {
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 1rem; color: var(--white);
  padding: 18px 34px 18px 0; cursor: pointer; list-style: none; position: relative;
}
.pd-faq summary::-webkit-details-marker { display: none; }
.pd-faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 1.3rem; font-weight: 400; transition: transform .25s var(--ease);
}
.pd-faq details[open] summary::after { content: "\2212"; }
.pd-faq summary:focus-visible { outline: 2px solid var(--gold-lt); outline-offset: 3px; border-radius: 6px; }
.pd-faq__a { font-size: 0.96rem; padding: 0 0 20px; }

/* ---------- Engagement band ---------- */
.pd-engage {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 34px 32px; display: flex; flex-direction: column; gap: 8px; max-width: 760px;
}
.pd-engage p { font-size: 1.02rem; }
.pd-engage__note { font-size: 0.86rem; color: var(--gold-lt); }

/* ---------- Final CTA band ---------- */
.pd-cta-band {
  text-align: center; padding: 26px 24px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(212,175,55,0.10), rgba(212,175,55,0.03));
  border: 1px solid var(--line);
}
.pd-cta-band h2 { margin-bottom: 14px; }
.pd-cta-band__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 22px; }

/* ---------- Products index (catalogue) ---------- */
.pd-index-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pd-index-card {
  display: flex; flex-direction: column; gap: 10px; color: inherit;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 24px; transition: transform .3s var(--ease), border-color .3s, background .3s, box-shadow .3s;
  position: relative; overflow: hidden;
}
.pd-index-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gold-grad); opacity: 0; transition: opacity .3s;
}
.pd-index-card:hover { transform: translateY(-6px); border-color: rgba(212,175,55,0.5); background: rgba(212,175,55,0.04); box-shadow: 0 16px 40px rgba(0,0,0,0.35); }
.pd-index-card:hover::after { opacity: 1; }
.pd-index-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pd-index-card__name { font-family: 'Exo 2', sans-serif; font-weight: 800; font-size: 1.2rem; color: var(--white); }
.pd-index-card__pos { font-size: 0.92rem; color: var(--muted); flex: 1; }
.pd-index-card__link { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--gold); margin-top: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .pd-group__grid { grid-template-columns: 1fr; }
  .pd-arch { grid-template-columns: 1fr; gap: 30px; }
  .pd-usecases { grid-template-columns: 1fr; }
  .pd-index-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .crumbs { padding-top: 108px; font-size: 0.72rem; }
  .pd-hero { padding: 26px 0 50px; }
  .pd-index-grid { grid-template-columns: 1fr; }
  .pd-faq summary { font-size: 0.94rem; }
}

@media (prefers-reduced-motion: reduce) {
  .pd-usecase, .pd-index-card { transition: none; }
}