/* =============================================================================
   G-MAG ENERGY - product.css
   Catalogue (products.html) and product detail (product.html) styles.
   Builds on the styles.css design tokens; loaded only on those pages.
   ============================================================================= */

/* ------------------------------------------------------------- catalogue --- */
.cat-page { padding-top: clamp(7.5rem, 11vw, 10rem); }

.cat-hero { max-width: 820px; margin-bottom: clamp(36px, 4vw, 56px); }
.cat-hero__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-wrap: balance;
}
.cat-hero__lead {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--muted);
  line-height: 1.65;
  max-width: 56ch;
}
.cat-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  margin-top: 34px;
}
.cat-stat strong {
  display: block;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.cat-stat > span { font-size: 0.85rem; color: var(--muted); }

/* sticky glass filter bar */
.cat-filter-bar {
  position: sticky;
  top: 78px;
  z-index: 700;
  padding: 10px 0;
  margin-bottom: clamp(28px, 3vw, 44px);
}
.cat-filter {
  display: flex;
  gap: 8px;
  width: min(var(--maxw), 100% - 48px);
  margin-inline: auto;
  padding: 8px;
  border-radius: var(--r-pill);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-m), var(--inset-hi);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-filter::-webkit-scrollbar { display: none; }
.cat-pill {
  flex: 0 0 auto;
  padding: 9px 18px;
  border: 0;
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.25s var(--ease-out), background-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.cat-pill:hover { background: rgba(11, 27, 43, 0.05); color: var(--ink); }
.cat-pill[aria-pressed="true"] {
  background: var(--grad-cta);
  color: #fff;
  box-shadow: 0 8px 18px rgba(17, 106, 63, 0.25);
}

.cat-section { margin-bottom: clamp(44px, 5vw, 72px); scroll-margin-top: 180px; }
.cat-section[hidden] { display: none; }
.cat-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.cat-section__head h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  letter-spacing: -0.015em;
}
.cat-section__count {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--aqua-deep);
  white-space: nowrap;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.cat-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-m);
  background: var(--card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
  overflow: hidden;
  color: var(--ink);
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m), var(--inset-hi); }
.cat-card__media {
  position: relative;
  aspect-ratio: 1 / 0.78;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 88%, rgba(0, 169, 194, 0.10), transparent 60%), linear-gradient(180deg, #FDFEFF, #EFF5F9);
}
.cat-card__media img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  filter: drop-shadow(0 16px 20px rgba(11, 27, 43, 0.15));
  transition: transform 0.5s var(--ease-spring);
}
.cat-card:hover .cat-card__media img { transform: translateY(-5px) scale(1.04); }
.cat-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  flex: 1;
}
.cat-card__model {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  color: var(--green-deep);
  background: rgba(54, 176, 45, 0.10);
}
.cat-card__body h3 {
  font-family: var(--display);
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cat-card__blurb { font-size: 0.85rem; color: var(--muted); line-height: 1.5; }
.cat-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.cat-card__spec b {
  display: block;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.cat-card__spec span { font-size: 0.78rem; font-weight: 500; color: var(--ink-2); }

/* closing call to action */
.cat-cta {
  text-align: center;
  padding: clamp(36px, 5vw, 64px);
  margin-bottom: clamp(44px, 5vw, 72px);
  border-radius: var(--r-l);
  background: linear-gradient(135deg, rgba(54, 176, 45, 0.08), rgba(0, 169, 194, 0.10)), var(--glass-strong);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-m), var(--inset-hi);
}
.cat-cta h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}
.cat-cta p { color: var(--muted); max-width: 52ch; margin: 0 auto 26px; }
.cat-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* --------------------------------------------------------- product detail --- */
.pd-page { padding-top: clamp(7.5rem, 11vw, 10rem); padding-bottom: clamp(3.5rem, 7vw, 6rem); }

.pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 36px);
  font-size: 0.85rem;
  color: var(--muted);
}
.pd-crumb a { color: var(--ink-2); transition: color 0.2s var(--ease-out); }
.pd-crumb a:hover { color: var(--aqua-deep); }
.pd-crumb__sep { opacity: 0.45; }
.pd-crumb__current { color: var(--ink); font-weight: 600; }

.pd-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.pd-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 0.9;
  border-radius: var(--r-l);
  background: radial-gradient(120% 90% at 50% 88%, rgba(0, 169, 194, 0.12), transparent 62%), linear-gradient(180deg, #FDFEFF, #EEF4F8);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-m), var(--inset-hi);
  overflow: hidden;
}
.pd-media img {
  width: 76%;
  height: 76%;
  object-fit: contain;
  filter: drop-shadow(0 26px 30px rgba(11, 27, 43, 0.18));
  animation: floatBob 5s ease-in-out infinite alternate;
}
.pd-media__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  color: var(--aqua-deep);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s);
}

.pd-info .eyebrow { display: flex; }
.pd-model {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  color: var(--green-deep);
  background: rgba(54, 176, 45, 0.10);
  margin-bottom: 14px;
}
.pd-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  text-wrap: balance;
}
.pd-lead { font-size: 1rem; color: var(--muted); line-height: 1.7; margin-bottom: 26px; }

.pd-keyspecs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}
.pd-keyspec {
  padding: 12px 14px;
  border-radius: var(--r-s);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}
.pd-keyspec b {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}
.pd-keyspec span { font-size: 0.85rem; font-weight: 600; color: var(--ink); }

.pd-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.pd-section { margin-bottom: clamp(48px, 6vw, 80px); }
.pd-section__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.015em;
  margin-bottom: 26px;
}

.pd-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.pd-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--r-m);
  background: var(--card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out);
}
.pd-feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-m), var(--inset-hi); }
.pd-feature p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.55; }
.pd-feature__tick {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: rgba(54, 176, 45, 0.14);
  position: relative;
}
.pd-feature__tick::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  width: 6px;
  height: 9px;
  border-right: 2px solid var(--green-deep);
  border-bottom: 2px solid var(--green-deep);
  transform: rotate(42deg);
}

.pd-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(30px, 4vw, 60px);
  align-items: start;
}
.pd-applist { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pd-applist li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.55;
}
.pd-applist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-brand);
}
.pd-chiplist { display: flex; flex-wrap: wrap; gap: 8px; }
.pd-chip {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 15px;
  border-radius: var(--r-pill);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
  color: var(--ink-2);
}

.pd-spectable {
  border-radius: var(--r-m);
  background: var(--card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
  overflow: hidden;
}
.pd-specrow {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  padding: 14px 22px;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  transition: background-color 0.25s var(--ease-out);
}
.pd-specrow:first-child { border-top: 0; }
.pd-specrow:hover { background: rgba(0, 169, 194, 0.05); }
.pd-specrow b {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: center;
}
.pd-specrow span { color: var(--ink); font-weight: 500; }
.pd-spectable__note { font-size: 0.84rem; color: var(--muted); margin-top: 14px; }

.pd-assure {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.pd-assure__item {
  padding: 22px 24px;
  border-radius: var(--r-m);
  background: var(--card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
}
.pd-assure__item h3 {
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.pd-assure__item p { font-size: 0.86rem; color: var(--muted); line-height: 1.55; }

.pd-quote {
  text-align: center;
  padding: clamp(36px, 5vw, 60px);
  margin-bottom: clamp(40px, 5vw, 60px);
  border-radius: var(--r-l);
  background: linear-gradient(135deg, rgba(54, 176, 45, 0.08), rgba(0, 169, 194, 0.10)), var(--glass-strong);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-m), var(--inset-hi);
}
.pd-quote h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}
.pd-quote p { color: var(--muted); max-width: 52ch; margin: 0 auto 24px; }
.pd-quote__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.pd-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.pd-pager a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px;
  border-radius: var(--r-m);
  background: var(--card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-s), var(--inset-hi);
  color: var(--ink);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out);
}
.pd-pager a:hover { transform: translateY(-3px); box-shadow: var(--shadow-m), var(--inset-hi); }
.pd-pager a.is-next { text-align: right; align-items: flex-end; }
.pd-pager span {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aqua-deep);
}
.pd-pager b { font-weight: 600; font-size: 0.95rem; }

.pd-notfound {
  text-align: center;
  padding: clamp(50px, 8vw, 100px) 20px;
}
.pd-notfound h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 14px;
}
.pd-notfound p { color: var(--muted); max-width: 46ch; margin: 0 auto 26px; }

/* dark mode */
/* Complements the [data-theme="dark"] section in styles.css; product image
   plates stay light on purpose (the renders have baked white backgrounds). */
[data-theme="dark"] .cat-pill:hover { background: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .pd-keyspec { background: rgba(255, 255, 255, 0.05); }
[data-theme="dark"] .pd-specrow:hover { background: rgba(59, 197, 223, 0.06); }
[data-theme="dark"] .pd-media__tag { background: rgba(18, 30, 46, 0.92); }

/* -------------------------------------------------------------- responsive --- */
@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .pd-hero { grid-template-columns: 1fr; }
  .pd-media { max-width: 520px; margin-inline: auto; width: 100%; }
}

@media (max-width: 900px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .pd-features { grid-template-columns: 1fr; }
  .pd-split { grid-template-columns: 1fr; }
  .pd-assure { grid-template-columns: 1fr; }
  .cat-filter-bar { top: 70px; }
}

@media (max-width: 640px) {
  .cat-grid { grid-template-columns: 1fr; }
  .pd-keyspecs { grid-template-columns: 1fr 1fr; }
  .pd-specrow { grid-template-columns: 1fr; gap: 4px; }
  .pd-pager { grid-template-columns: 1fr; }
  .cat-filter { width: calc(100% - 36px); }
}