/* Product pages (all product pages share this file: includes/product-template.php)
   Flow: banner → key facts → sticky menu → overview → specs (dark) → grades → reference → featured → types → features & applications → quote → CTA
   Same design system as the About and Industries pages. */

/* ---------- Shared bits ---------- */
.pr-section { position: relative; padding: 88px 0; }
.pr-section--alt { background: var(--color-bg-alt); }
.pr-head { max-width: 680px; margin-bottom: 44px; }
.pr-head h2 { margin-bottom: 12px; }
.pr-head > p:not(.vs-eyebrow) { margin: 0; font-size: 1.05rem; color: var(--color-muted); }
.pr-head--center { margin-inline: auto; text-align: center; }
.pr-head--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; align-items: end; }
.pr-head--split h2 { margin: 0; }

/* Scroll reveal (modern browsers only; others show content at once) */
@keyframes pr-reveal { from { opacity: 0; translate: 0 36px; } to { opacity: 1; translate: 0 0; } }
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .pr-reveal { animation: pr-reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }
  }
}

/* ---------- Banner: photo with navy overlay ---------- */
.vs-pagehero { isolation: isolate; padding: 96px 0 150px; background: var(--color-primary); }
.vs-pagehero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--color-primary) 95%, transparent) 0%, color-mix(in srgb, var(--color-primary) 80%, transparent) 40%, color-mix(in srgb, var(--color-primary) 30%, transparent) 75%, color-mix(in srgb, var(--color-primary) 15%, transparent) 100%),
    linear-gradient(0deg, color-mix(in srgb, var(--color-primary) 70%, transparent) 0%, transparent 45%),
    var(--ph-bg, none) right center / cover no-repeat;
  transform-origin: 70% 50%;
  animation: pr-hero-zoom 14s ease-out both;
}
@keyframes pr-hero-zoom { from { transform: scale(1.12); } to { transform: scale(1); } }
.vs-pagehero::after { display: none; }
.vs-pagehero__inner > * { animation: pr-rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.vs-pagehero__inner > :nth-child(2) { animation-delay: 0.08s; }
.vs-pagehero__inner > :nth-child(3) { animation-delay: 0.16s; }
.vs-pagehero__inner > :nth-child(4) { animation-delay: 0.24s; }
@keyframes pr-rise { from { opacity: 0; translate: 0 22px; } to { opacity: 1; translate: 0 0; } }
.vs-pagehero .vs-eyebrow { display: none; }
.vs-pagehero .vs-crumbs {
  display: inline-flex;
  padding: 7px 16px;
  border: 1px solid color-mix(in srgb, var(--color-on-dark) 18%, transparent);
  border-radius: 40px;
  background: color-mix(in srgb, var(--color-on-dark) 8%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.vs-pagehero h1 { font-size: clamp(2.3rem, 4.6vw, 3.8rem); text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.vs-pagehero__text { max-width: 580px; font-size: 1.12rem; color: color-mix(in srgb, var(--color-on-dark) 82%, transparent); }

/* ---------- Key facts card (overlaps the banner, soft tight shadow) ---------- */
.pr-facts { position: relative; z-index: 3; margin-top: -76px; }
.pr-facts__card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent);
  border-radius: 22px;
  background: var(--color-bg);
  box-shadow: 0 18px 30px -22px color-mix(in srgb, var(--color-primary) 45%, transparent), 0 4px 10px -6px color-mix(in srgb, var(--color-primary) 18%, transparent);
  animation: pr-rise 0.9s 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.pr-facts__item { position: relative; display: flex; align-items: center; gap: 14px; min-width: 0; padding: 24px 24px; transition: background 0.3s; }
.pr-facts__item + .pr-facts__item::before { content: ''; position: absolute; left: 0; top: 24%; bottom: 24%; width: 1px; background: var(--color-border); }
.pr-facts__item:hover { background: linear-gradient(180deg, var(--color-accent-soft), var(--color-bg)); }
.pr-facts__icon { display: grid; flex-shrink: 0; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--color-accent-soft); color: var(--color-accent); transition: background 0.3s, color 0.3s, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-facts__icon .vs-icon { width: 22px; height: 22px; }
.pr-facts__item:hover .pr-facts__icon { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); color: var(--color-on-dark); transform: rotate(-6deg); }
.pr-facts__item span:not(.pr-facts__icon) { display: block; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted); }
.pr-facts__item strong { display: block; margin-top: 2px; font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; font-stretch: var(--heading-stretch); line-height: 1.3; color: var(--color-heading); overflow-wrap: anywhere; }

/* ---------- Sticky in-page menu ---------- */
.vs-subnav { position: sticky; top: var(--header-height); z-index: 80; margin-top: 32px; background: color-mix(in srgb, var(--color-bg) 92%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
.vs-subnav__inner { display: flex; align-items: center; justify-content: center; }
.vs-subnav__links { display: flex; gap: 4px; padding: 8px 0; overflow-x: auto; scrollbar-width: none; }
.vs-subnav__links::-webkit-scrollbar { display: none; }
.vs-subnav__links a { padding: 9px 16px; border-radius: 30px; white-space: nowrap; font-size: 0.9rem; font-weight: 600; color: var(--color-muted); transition: background 0.25s, color 0.25s; }
.vs-subnav__links a:hover { background: var(--color-bg-alt); color: var(--color-heading); }
.vs-subnav__links a.is-active { background: var(--color-primary); color: var(--color-on-dark); }

/* ---------- Overview ---------- */
.pr-overview { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: center; }
.pr-overview__media { position: relative; margin: 0 24px 24px 0; }
/* navy slab behind the photo for a layered 3D look */
.pr-overview__media::before { content: ''; position: absolute; right: -24px; bottom: -24px; width: 70%; height: 70%; border-radius: 22px; background: linear-gradient(145deg, var(--color-primary), var(--color-primary-lighter)); }
.pr-overview__media img { position: relative; z-index: 1; width: 100%; aspect-ratio: 5 / 4; object-fit: cover; border-radius: 22px; box-shadow: 0 34px 60px -30px color-mix(in srgb, var(--color-primary) 60%, transparent); transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-overview__media:hover img { transform: translate(-6px, -6px); }
.pr-overview__media figcaption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 40px;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 30px -18px color-mix(in srgb, var(--color-primary) 60%, transparent);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-heading);
}
.pr-overview__media figcaption .vs-icon { width: 20px; height: 20px; padding: 4px; border-radius: 50%; background: var(--color-accent); color: var(--color-on-dark); }
.pr-overview__body h2 { margin-bottom: 16px; }
.pr-overview__body > p:not(.vs-eyebrow) { color: var(--color-muted); }
.pr-ticks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 24px 0 30px; padding: 0; list-style: none; }
.pr-ticks li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: 12px; background: linear-gradient(180deg, #ffffff 0%, #f8f9fb 100%); font-size: 0.93rem; font-weight: 500; line-height: 1.45; color: var(--color-heading); transition: border-color 0.25s, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-ticks li:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--color-accent) 50%, var(--color-border)); }
.pr-ticks .vs-icon { flex-shrink: 0; width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent); }

/* ---------- Specifications (dark, with 3D grid floor) ---------- */
.pr-section--dark {
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--color-accent) 22%, transparent), transparent 40%),
    radial-gradient(circle at 100% 100%, color-mix(in srgb, var(--color-primary-lighter) 70%, transparent), transparent 45%),
    var(--color-primary);
  color: color-mix(in srgb, var(--color-on-dark) 76%, transparent);
}
.pr-section--dark::before {
  content: '';
  position: absolute;
  left: -30%;
  right: -30%;
  bottom: -60px;
  z-index: -1;
  height: 280px;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-on-dark) 8%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-on-dark) 8%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(520px) rotateX(62deg);
  transform-origin: center bottom;
  -webkit-mask-image: linear-gradient(0deg, #000 5%, transparent 85%);
  mask-image: linear-gradient(0deg, #000 5%, transparent 85%);
  pointer-events: none;
}
.pr-section--dark .pr-head h2 { color: var(--color-on-dark); }
.pr-section--dark .pr-head > p:not(.vs-eyebrow) { color: color-mix(in srgb, var(--color-on-dark) 68%, transparent); }
.pr-spec { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; }
.pr-spec__row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid color-mix(in srgb, var(--color-on-dark) 12%, transparent);
  border-radius: 16px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--color-on-dark) 8%, transparent), color-mix(in srgb, var(--color-on-dark) 2%, transparent));
  transition: border-color 0.3s, background 0.3s, transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.pr-spec__row:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--color-accent) 60%, transparent); background: linear-gradient(160deg, color-mix(in srgb, var(--color-on-dark) 12%, transparent), color-mix(in srgb, var(--color-on-dark) 4%, transparent)); }
.pr-spec__num { display: grid; flex-shrink: 0; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: color-mix(in srgb, var(--color-accent) 22%, transparent); font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; color: var(--color-accent-light); transition: background 0.3s, color 0.3s; }
.pr-spec__row:hover .pr-spec__num { background: var(--color-accent); color: var(--color-on-dark); }
.pr-spec dt { margin-bottom: 4px; font-family: var(--font-heading); font-size: 1rem; font-weight: 600; font-stretch: var(--heading-stretch); color: var(--color-on-dark); }
.pr-spec dd { margin: 0; font-size: 0.94rem; line-height: 1.6; }

/* ---------- Grades: intro on the left, grade cards on the right ---------- */
/* background: soft glows, dotted pattern and faint slanted 3D bars */
.pr-section--grades {
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 6% 14%, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent 34%),
    radial-gradient(circle at 96% 92%, color-mix(in srgb, var(--color-primary) 9%, transparent), transparent 40%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}
.pr-section--grades::before {
  content: '';
  position: absolute;
  right: 28px;
  bottom: 28px;
  z-index: -1;
  width: 260px;
  height: 200px;
  background-image: radial-gradient(color-mix(in srgb, var(--color-primary) 20%, transparent) 1.6px, transparent 1.7px);
  background-size: 20px 20px;
  -webkit-mask-image: linear-gradient(315deg, #000, transparent 80%);
  mask-image: linear-gradient(315deg, #000, transparent 80%);
}
.pr-section--grades::after {
  content: '';
  position: absolute;
  left: -40px;
  bottom: -40px;
  z-index: -1;
  width: 300px;
  height: 340px;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--color-accent) 12%, transparent) 0 22%, transparent 22% 39%,
    color-mix(in srgb, var(--color-primary) 6%, transparent) 39% 61%, transparent 61% 78%,
    color-mix(in srgb, var(--color-primary) 4%, transparent) 78% 100%);
  transform: skewX(-14deg);
  -webkit-mask-image: linear-gradient(0deg, #000 30%, transparent);
  mask-image: linear-gradient(0deg, #000 30%, transparent);
  pointer-events: none;
}
.pr-gradehead { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: end; margin-bottom: 40px; }
.pr-gradehead h2 { margin: 0; }
.pr-gradehead__side > p { margin: 0 0 16px; color: var(--color-muted); }
.pr-gradehead__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.pr-gradehead__count { display: inline-flex; align-items: center; gap: 12px; padding: 10px 18px 10px 14px; border: 1px solid var(--color-border); border-left: 4px solid var(--color-accent); border-radius: 12px; background: var(--color-bg); box-shadow: 0 14px 24px -20px color-mix(in srgb, var(--color-primary) 45%, transparent); }
.pr-gradehead__count strong { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; font-stretch: var(--heading-stretch); line-height: 1; color: var(--color-heading); }
.pr-gradehead__count span { font-size: 0.82rem; font-weight: 500; line-height: 1.3; color: var(--color-muted); }

/* one card per grade family; pills size to their text so long names stay on one line */
.pr-gradesets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.pr-gradesets--single { grid-template-columns: minmax(0, 1fr); }
.pr-gradeset {
  padding: 24px 24px 26px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 22px 40px -34px color-mix(in srgb, var(--color-primary) 45%, transparent);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.pr-gradeset:hover { border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border)); box-shadow: 0 30px 50px -34px color-mix(in srgb, var(--color-primary) 55%, transparent); }
.pr-gradeset h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.pr-gradeset h3 span { padding: 2px 9px; border-radius: 20px; background: var(--color-accent-soft); font-size: 0.75rem; letter-spacing: 0; color: var(--color-accent); }
.pr-gradeset h3::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }
.pr-gradepills { display: flex; flex-wrap: wrap; gap: 8px; }
.pr-gradepill {
  padding: 8px 15px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  font-stretch: var(--heading-stretch);
  white-space: nowrap;
  color: var(--color-heading);
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.pr-gradepill:hover { transform: translateY(-3px); border-color: transparent; background: var(--color-primary); color: var(--color-on-dark); box-shadow: 0 14px 22px -14px color-mix(in srgb, var(--color-primary) 70%, transparent); }

/* ---------- Full grade reference ---------- */
.pr-tabs { overflow: hidden; border: 1px solid var(--color-border); border-radius: 20px; background: var(--color-bg); box-shadow: 0 26px 50px -40px color-mix(in srgb, var(--color-primary) 50%, transparent); }
.pr-tabs .vs-tabs__list { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; border-bottom: 1px solid var(--color-border); background: var(--color-bg-alt); }
.pr-tabs .vs-tabs__btn { padding: 10px 18px; border: 0; border-radius: 30px; background: none; font-family: var(--font-heading); font-size: 0.92rem; font-weight: 600; font-stretch: var(--heading-stretch); color: var(--color-muted); cursor: pointer; transition: background 0.25s, color 0.25s; }
.pr-tabs .vs-tabs__btn:hover { background: var(--color-bg); color: var(--color-heading); }
.pr-tabs .vs-tabs__btn.is-active { background: var(--color-primary); color: var(--color-on-dark); }
.vs-tabs__panel { display: none; }
.vs-tabs__panel.is-active { display: block; animation: pr-rise 0.4s ease both; }
.vs-tabs__mobile-title { display: none; }
.vs-ref { width: 100%; border-collapse: collapse; }
.vs-ref th, .vs-ref td { padding: 18px 22px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-border); }
.vs-ref tr:last-child th, .vs-ref tr:last-child td { border-bottom: 0; }
.vs-ref tr:nth-child(even) td { background: color-mix(in srgb, var(--color-bg-alt) 50%, transparent); }
.vs-ref th { width: 240px; font-family: var(--font-heading); font-weight: 600; font-stretch: var(--heading-stretch); color: var(--color-heading); background: var(--color-bg-alt); }
.vs-ref td { color: var(--color-muted); }
.vs-ref td strong { font-weight: 600; color: var(--color-heading); }
.vs-ref ul { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.pr-note { display: flex; align-items: flex-start; gap: 12px; margin: 20px 0 0; padding: 16px 18px; border: 1px solid color-mix(in srgb, var(--color-accent) 30%, var(--color-border)); border-radius: 14px; background: var(--color-accent-soft); color: var(--color-text); }
.pr-note .vs-icon { flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px; color: var(--color-accent); }

/* ---------- Featured products (alternating rows) ---------- */
.pr-featured { display: grid; gap: 88px; }
.pr-featured__item { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: center; }
.pr-featured__item:nth-child(even) .pr-featured__media { order: 2; }
.pr-featured__media { position: relative; margin: 0; }
.pr-featured__media::before { content: ''; position: absolute; right: -20px; bottom: -20px; width: 65%; height: 65%; border-radius: 20px; background: linear-gradient(145deg, var(--color-accent), var(--color-accent-dark)); }
.pr-featured__item:nth-child(even) .pr-featured__media::before { right: auto; left: -20px; background: linear-gradient(145deg, var(--color-primary), var(--color-primary-lighter)); }
.pr-featured__media img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 20px; box-shadow: 0 30px 50px -30px color-mix(in srgb, var(--color-primary) 60%, transparent); transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-featured__item:hover .pr-featured__media img { transform: translateY(-6px); }
.pr-featured__body > p:not(.vs-eyebrow) { color: var(--color-muted); }
.pr-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 24px; }
.pr-tags span { padding: 6px 14px; border: 1px solid var(--color-border); border-radius: 30px; background: var(--color-bg); font-size: 0.86rem; font-weight: 500; color: var(--color-heading); }

/* ---------- Types (VS comparison) ---------- */
.pr-versus { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 24px; align-items: center; }
.pr-versus__card { height: 100%; overflow: hidden; border: 1px solid var(--color-border); border-radius: 20px; background: var(--color-bg); box-shadow: 0 26px 44px -34px color-mix(in srgb, var(--color-primary) 45%, transparent); }
.pr-versus__card:hover { --lift: -6px; border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border)); box-shadow: 0 36px 54px -30px color-mix(in srgb, var(--color-primary) 50%, transparent); }
.pr-versus__media { overflow: hidden; }
.pr-versus__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-versus__card:hover .pr-versus__media img { transform: scale(1.06); }
.pr-versus__body { padding: 24px 26px 28px; }
.pr-versus__body h3 { margin-bottom: 8px; }
.pr-versus__body p { margin: 0; color: var(--color-muted); }
.pr-versus__badge { position: relative; z-index: 2; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); font-family: var(--font-heading); font-weight: 700; color: var(--color-on-dark); box-shadow: 0 0 0 8px var(--color-bg), 0 16px 30px -12px var(--color-accent); }

/* ---------- Features & applications ---------- */
.pr-why { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 56px; row-gap: 26px; align-items: stretch; }
.pr-why__photo { grid-column: 1 / -1; position: relative; margin: 0 0 18px; overflow: hidden; border-radius: 22px; box-shadow: 0 30px 50px -34px color-mix(in srgb, var(--color-primary) 60%, transparent); }
.pr-why__photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--color-primary) 35%, transparent), transparent 60%); pointer-events: none; }
.pr-why__photo img { width: 100%; aspect-ratio: 5 / 2; object-fit: cover; transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pr-why__photo:hover img { transform: scale(1.04); }
.pr-why__head { align-self: end; }
.pr-why__head h2 { margin: 0; }
.pr-apps { align-content: stretch; grid-auto-rows: minmax(64px, 1fr); }
.pr-why__list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pr-why__list li { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border: 1px solid var(--color-border); border-radius: 14px; background: var(--color-bg); font-weight: 600; line-height: 1.45; color: var(--color-heading); transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s, box-shadow 0.3s; }
.pr-why__list li:hover { transform: translateX(6px); border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border)); box-shadow: 0 18px 30px -24px color-mix(in srgb, var(--color-primary) 45%, transparent); }
.pr-why__list span { display: grid; flex-shrink: 0; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--color-accent-soft); font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; color: var(--color-accent); transition: background 0.3s, color 0.3s; }
.pr-why__list li:hover span { background: var(--color-accent); color: var(--color-on-dark); }
.pr-apps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.pr-apps__item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-radius: 14px; background: linear-gradient(145deg, var(--color-primary-light), var(--color-primary)); font-family: var(--font-heading); font-weight: 600; font-stretch: var(--heading-stretch); line-height: 1.35; color: var(--color-on-dark); transition: background 0.3s, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s; }
.pr-apps__item .vs-icon { flex-shrink: 0; transform: rotate(-45deg); transition: transform 0.3s; }
.pr-apps__item:hover { transform: translateY(-4px); background: linear-gradient(145deg, var(--color-accent), var(--color-accent-dark)); box-shadow: 0 20px 34px -22px var(--color-accent-dark); }
.pr-apps__item:hover .vs-icon { transform: rotate(0); }

/* ---------- Quote ---------- */
.pr-quote { padding: 72px 0 88px; }
.pr-quote__panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: center;
  padding: 36px 40px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 0% 100%, color-mix(in srgb, var(--color-accent) 24%, transparent), transparent 42%),
    var(--color-primary);
  color: color-mix(in srgb, var(--color-on-dark) 76%, transparent);
}
.pr-quote__info h2 { margin-bottom: 14px; font-size: clamp(1.6rem, 2.4vw, 2.2rem); color: var(--color-on-dark); }
.pr-quote__info > p:not(.vs-eyebrow) { max-width: 440px; margin: 0; }
.pr-quote__contact { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.pr-quote__contact li { display: flex; align-items: center; gap: 12px; }
.pr-quote__contact .vs-icon { width: 40px; height: 40px; padding: 10px; border: 1px solid color-mix(in srgb, var(--color-on-dark) 16%, transparent); border-radius: var(--radius); background: color-mix(in srgb, var(--color-on-dark) 6%, transparent); color: var(--color-accent-light); }
.pr-quote__contact small { display: block; font-size: 0.78rem; color: color-mix(in srgb, var(--color-on-dark) 55%, transparent); }
.pr-quote__contact a, .pr-quote__contact span { font-weight: 600; color: var(--color-on-dark); word-break: break-word; }
.pr-quote__contact a:hover { color: var(--color-accent-light); }
.pr-quote__form { position: relative; z-index: 1; margin: -28px 0; padding: 22px 24px 24px; border-top: 4px solid var(--color-accent); border-radius: var(--radius-lg); background: var(--color-bg); color: var(--color-text); box-shadow: 0 40px 70px -34px color-mix(in srgb, var(--color-primary) 70%, transparent); }
.pr-quote__form h3 { margin-bottom: 12px; font-size: 1.15rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .pr-facts__item { padding: 22px 18px; gap: 12px; }
  .pr-overview, .pr-featured__item { gap: 56px; }
  .pr-quote__panel { gap: 28px; padding: 32px; }
}

@media (max-width: 991px) {
  .vs-pagehero { padding: 80px 0 140px; }
  .pr-section { padding: 72px 0; }
  .pr-head { margin-bottom: 36px; }
  .pr-head--split { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .pr-facts { margin-top: -84px; }
  .vs-subnav__inner { justify-content: flex-start; }
  .pr-overview { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .pr-overview__media { max-width: 620px; }
  .pr-spec { grid-template-columns: minmax(0, 1fr); }
  .pr-gradehead { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-bottom: 28px; }
  .pr-gradesets { grid-template-columns: minmax(0, 1fr); }
  .pr-featured { gap: 64px; }
  .pr-featured__item { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .pr-featured__item:nth-child(even) .pr-featured__media { order: 0; }
  .pr-featured__item:nth-child(even) .pr-featured__media::before { left: auto; right: -20px; }
  .pr-featured__media { max-width: 620px; }
  .pr-versus { grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 0; }
  .pr-versus__card { width: 100%; max-width: 620px; }
  .pr-versus__badge { margin: -32px 0; }
  .pr-why { grid-template-columns: minmax(0, 1fr); row-gap: 22px; }
  .pr-why__photo { order: 0; margin-bottom: 8px; }
  .pr-why__photo img { aspect-ratio: 16 / 9; }
  .pr-why__head--features { order: 1; }
  .pr-why__list { order: 2; margin-bottom: 26px; }
  .pr-why__head--apps { order: 3; }
  .pr-apps { order: 4; grid-auto-rows: auto; }
  .pr-quote__panel { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 32px 28px; }
  .pr-quote__form { margin: 0 0 -56px; }
  .pr-quote { padding-bottom: 120px; }
}

@media (max-width: 767px) {
  .vs-pagehero { padding: 60px 0 130px; }
  .vs-pagehero::before {
    background:
      linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 72%, transparent) 0%, color-mix(in srgb, var(--color-primary) 88%, transparent) 100%),
      var(--ph-bg, none) center / cover no-repeat;
  }
  .vs-pagehero__text { font-size: 1rem; }
  .pr-section { padding: 56px 0; }
  .pr-head { margin-bottom: 28px; }
  .pr-head > p:not(.vs-eyebrow) { font-size: 1rem; }
  .pr-facts { margin-top: -96px; }
  .pr-facts__card { grid-template-columns: minmax(0, 1fr); border-radius: 18px; }
  .pr-facts__item { padding: 16px 18px; }
  .pr-facts__item + .pr-facts__item::before { left: 18px; right: 18px; top: 0; bottom: auto; width: auto; height: 1px; }
  .pr-facts__icon { width: 42px; height: 42px; }
  .vs-subnav { margin-top: 24px; }
  .vs-subnav__links a { padding: 8px 12px; font-size: 0.85rem; }
  .pr-overview__media { margin: 0 12px 12px 0; }
  .pr-overview__media::before { right: -12px; bottom: -12px; }
  .pr-overview__media img { border-radius: 18px; }
  .pr-overview__media figcaption { left: 12px; right: 12px; bottom: 12px; font-size: 0.78rem; }
  .pr-ticks { grid-template-columns: minmax(0, 1fr); }
  .pr-spec__row { padding: 16px; gap: 12px; }
  .pr-spec__num { width: 34px; height: 34px; font-size: 0.82rem; }
  .pr-gradeset { padding: 18px 16px 20px; border-radius: 16px; }
  .pr-gradepill { padding: 7px 12px; font-size: 0.88rem; }
  .pr-section--grades::after { display: none; }
  /* reference: tabs become stacked tables */
  .pr-tabs { overflow: visible; border: 0; border-radius: 0; background: none; box-shadow: none; }
  .pr-tabs .vs-tabs__list { display: none; }
  .vs-tabs__panel { display: block; margin-bottom: 18px; overflow: hidden; border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-bg); }
  .vs-tabs__mobile-title { display: block; margin: 0; padding: 14px 16px; font-size: 1rem; background: var(--color-primary); color: var(--color-on-dark); }
  .vs-ref th, .vs-ref td { display: block; width: 100%; padding: 12px 16px; }
  .vs-ref th { border-bottom: 0; padding-bottom: 4px; background: none; }
  .vs-ref tr:nth-child(even) td { background: none; }
  .pr-featured__media::before, .pr-featured__item:nth-child(even) .pr-featured__media::before { right: -12px; bottom: -12px; left: auto; }
  .pr-featured__media { margin: 0 12px 12px 0; }
  .pr-versus__body { padding: 20px; }
  .pr-why__list li { padding: 14px; gap: 12px; }
  .pr-apps { grid-template-columns: minmax(0, 1fr); }
  .pr-quote__panel { padding: 28px 20px 0; border-radius: 18px; }
  .pr-quote__form { margin: 0 -8px -48px; padding: 22px 18px; }
  .pr-quote { padding-bottom: 100px; }
}

@media (max-width: 380px) {
  .pr-facts__item strong { font-size: 0.98rem; }
  .pr-versus__badge { width: 54px; height: 54px; }
}

/* Phones in landscape (short screens) */
@media (max-height: 500px) and (orientation: landscape) {
  .vs-pagehero { padding: 40px 0 120px; }
  .vs-pagehero h1 { font-size: 2.2rem; }
}

/* Touch screens: no sticky hover effects */
@media (hover: none) {
  .pr-overview__media:hover img, .pr-featured__item:hover .pr-featured__media img, .pr-versus__card:hover .pr-versus__media img { transform: none; }
  .pr-ticks li:hover, .pr-spec__row:hover, .pr-gradepill:hover, .pr-why__list li:hover, .pr-apps__item:hover { transform: none; }
}