/* =========================================================
   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; }

/* ---------- Visual catalogue ---------- */
.pd-catalog { background: linear-gradient(180deg, rgba(24,32,51,0.42), rgba(9,12,19,0)); border-top: 1px solid var(--line); }
.pd-catalog__head {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: end;
  margin-bottom: 26px;
}
.pd-catalog__stamp {
  min-width: 210px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px;
  background: rgba(255,255,255,0.03); color: var(--silver); font-size: 0.82rem;
}
.pd-catalog__stamp strong { display: block; margin-top: 4px; color: var(--gold-lt); font-family: 'Exo 2', sans-serif; line-height: 1.25; }
.pd-catalog-nav {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 48px;
}
.pd-catalog-nav a {
  display: inline-flex; align-items: center; gap: 9px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.03);
  color: var(--silver); font-family: 'Exo 2', sans-serif; font-size: 0.78rem; font-weight: 700;
  transition: border-color .2s, color .2s, transform .2s;
}
.pd-catalog-nav a:hover { border-color: rgba(212,175,55,0.55); color: var(--white); transform: translateY(-2px); }
.pd-catalog-nav span {
  display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 7px;
  border-radius: 999px; background: rgba(212,175,55,0.14); color: var(--gold-lt);
}
/* Written group labels (not colour) separate business sections from consumer & family */
.pd-catalog-nav .pd-catalog-nav__label {
  display: block; flex-basis: 100%; height: auto; min-width: 0; padding: 0; margin-top: 6px;
  border-radius: 0; background: none; color: var(--white);
  font-family: 'Exo 2', sans-serif; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
}
.pd-catalog-nav a:focus-visible { outline: 2px solid var(--gold-lt); outline-offset: 3px; }
.pd-catalog-subhead { margin: 8px 0 16px; font-size: 1rem; color: var(--white); }
.pd-catalog-sections { display: grid; gap: 56px; }
.pd-catalog-section { scroll-margin-top: 92px; }
.pd-catalog-section__head {
  display: flex; align-items: end; justify-content: space-between; gap: 22px;
  padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px solid var(--line);
}
.pd-catalog-section__head h2 { font-size: clamp(1.35rem, 2.8vw, 2rem); }
.pd-catalog-section__head p { max-width: 560px; font-size: 0.95rem; text-align: right; }
.pd-catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.pd-catalog-card {
  display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 16px; min-height: 170px;
  padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,0.035);
  color: inherit; transition: transform .25s var(--ease), border-color .25s, background .25s, box-shadow .25s;
}
.pd-catalog-card:hover {
  transform: translateY(-4px); border-color: rgba(212,175,55,0.5);
  background: rgba(212,175,55,0.045); box-shadow: 0 14px 34px rgba(0,0,0,0.28);
}
.pd-catalog-card__media {
  width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid rgba(212,175,55,0.28);
  border-radius: 12px; background: linear-gradient(135deg, rgba(30,72,160,0.36), rgba(212,175,55,0.12));
  color: var(--electrum); font-family: 'Exo 2', sans-serif; font-size: 1.8rem; font-weight: 900;
}
.pd-catalog-card__body { min-width: 0; display: flex; flex-direction: column; gap: 9px; }
.pd-catalog-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.pd-catalog-card h3 { min-width: 0; font-size: 1.05rem; line-height: 1.2; overflow-wrap: anywhere; }
.pd-catalog-card p {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 0.9rem; line-height: 1.5;
}
.pd-catalog-card__meta {
  margin-top: auto; color: var(--gold); font-family: 'Exo 2', sans-serif;
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.02em;
}

/* ---------- 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); }
  .pd-catalog__head { grid-template-columns: 1fr; }
  .pd-catalog__stamp { min-width: 0; }
  .pd-catalog-section__head { display: block; }
  .pd-catalog-section__head p { max-width: none; margin-top: 8px; text-align: left; }
  .pd-catalog-grid { grid-template-columns: 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-catalog-card { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 14px; min-height: 0; }
  .pd-catalog-card__media { width: 48px; height: 48px; border-radius: 10px; font-size: 1.35rem; }
  .pd-catalog-card__top { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pd-faq summary { font-size: 0.94rem; }
}

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