/* ============================================================
   MEMTEST INDUSTRIAL — Index page styles
   ============================================================ */

/* ---------- HERO ---------- */
.hero {
  min-height: 100dvh;
  min-height: 100vh; /* fallback */
  display: flex;
  align-items: flex-end;
  padding-top: 9rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.5) saturate(0.6) contrast(1.1);
  opacity: 0.55;
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 40%, transparent 0%, var(--ink-base) 75%),
    linear-gradient(180deg, var(--ink-base) 0%, transparent 25%, transparent 70%, var(--ink-base) 100%);
}

/* circuit trace decoration */
.hero__traces {
  position: absolute;
  top: 0; right: 0;
  width: 55%; height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero__topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: clamp(3rem, 10vh, 7rem);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
}
.hero__topbar > div { display: flex; flex-direction: column; gap: 0.4em; }
.hero__topbar b { color: var(--paper); font-weight: 400; }
.hero__topbar .text-copper { color: var(--copper); }

.hero__title {
  font-size: var(--fs-mega);
  line-height: 0.92;
  letter-spacing: -0.025em;
  max-width: 16ch;
  margin-bottom: 2rem;
}
.hero__title em {
  font-style: italic;
  color: var(--copper-bright);
  font-family: var(--font-display);
}
.hero__title .stroke {
  -webkit-text-stroke: 1px var(--paper);
  color: transparent;
}

.hero__sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  margin-top: 3rem;
}
.hero__lead { max-width: 46ch; font-size: var(--fs-lead); line-height: 1.5; color: var(--paper); }
.hero__lead em { font-family: var(--font-display); font-style: italic; color: var(--copper-bright); }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* hero floating spec panel */
.hero__spec-panel {
  position: absolute;
  right: var(--pad-gutter);
  top: 30%;
  z-index: 2;
  background: rgba(13,14,16,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ink-line);
  padding: 1.5rem 1.75rem;
  min-width: 260px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}
.hero__spec-panel h5 {
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1rem;
  font-weight: 400;
}
.hero__spec-panel dl { display: flex; flex-direction: column; gap: 0.6rem; }
.hero__spec-panel dt { color: var(--paper-faint); letter-spacing: 0.1em; text-transform: uppercase; }
.hero__spec-panel dd { color: var(--paper); margin-top: 2px; }
.hero__spec-panel::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 12px; height: 12px;
  border-top: 1px solid var(--copper);
  border-left: 1px solid var(--copper);
}
.hero__spec-panel::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 12px; height: 12px;
  border-bottom: 1px solid var(--copper);
  border-right: 1px solid var(--copper);
}

@media (max-width: 1100px) {
  .hero__spec-panel { display: none; }
}
@media (max-width: 880px) {
  .hero__sub { grid-template-columns: 1fr; gap: 2rem; }
  .hero__topbar { flex-direction: column; gap: 1.5rem; }
}

/* mobile: reduce hero top padding and topbar margin */
@media (max-width: 640px) {
  .hero { padding-top: 6rem; padding-bottom: 4rem; }
  .hero__topbar { margin-bottom: 2rem; }
  .hero__topbar > div { gap: 0.15em; }
}

/* scroll cue */
.hero__cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.hero__cue::after {
  content: "";
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--copper) 0%, transparent 100%);
  animation: scrollCue 2.4s ease-in-out infinite;
}
@keyframes scrollCue {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.4); transform-origin: top; }
}

/* ---------- MARQUEE (running spec ticker) ---------- */
.ticker {
  border-block: 1px solid var(--ink-line);
  background: var(--ink-void);
  padding-block: 1.1rem;
  overflow: hidden;
  position: relative;
}
.ticker__track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: tickerScroll 40s linear infinite;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.ticker__track span { display: inline-flex; align-items: center; gap: 0.8em; }
.ticker__track span::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--copper);
  display: inline-block;
}
.ticker__track b { color: var(--paper); font-weight: 400; }
@keyframes tickerScroll {
  to { transform: translateX(-50%); }
}

/* ---------- CAPABILITIES / STATS BAND ---------- */
.capabilities {
  padding-block: clamp(4rem, 7vw, 7rem);
  border-bottom: 1px solid var(--ink-line);
}
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ink-line-soft);
  border: 1px solid var(--ink-line-soft);
}
.cap-cell {
  background: var(--ink-base);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: background var(--t-med) var(--ease-out);
}
.cap-cell:hover { background: var(--ink-raised); }
.cap-cell__icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  color: var(--copper);
}
.cap-cell__icon svg { width: 100%; height: 100%; }
.cap-cell h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.1;
  color: var(--paper);
}
.cap-cell p { color: var(--paper-dim); font-size: var(--fs-small); line-height: 1.55; }
@media (max-width: 980px) { .capabilities__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .capabilities__grid { grid-template-columns: 1fr; } }

/* ---------- FEATURED PRODUCTS ---------- */
.featured__head { margin-bottom: 3.5rem; }
.featured__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 980px) { .featured__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .featured__grid { grid-template-columns: 1fr; } }

.featured__foot {
  margin-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ink-line);
}
.featured__count {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--paper-faint);
}
.featured__count b { color: var(--copper); font-weight: 400; }

/* ---------- TECH SPOTLIGHT (large feature) ---------- */
.spotlight {
  background: var(--ink-void);
  border-block: 1px solid var(--ink-line);
}
.spotlight__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.spotlight__media {
  aspect-ratio: 4 / 3;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  position: relative;
  overflow: hidden;
}
.spotlight__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}
.spotlight__media .corner-label {
  position: absolute;
  top: 1rem; left: 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(8,9,10,0.7);
  backdrop-filter: blur(4px);
  padding: 0.4em 0.7em;
  border: 1px solid var(--ink-line);
}
.spotlight__body { display: flex; flex-direction: column; gap: 1.5rem; }
.spotlight__title { font-size: var(--fs-h2); max-width: 14ch; }
.spotlight__title em { font-style: italic; color: var(--copper-bright); }
.spotlight__desc { color: var(--paper-dim); font-size: 1.05rem; line-height: 1.6; max-width: 52ch; }

.spotlight__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}
.spotlight__feature {
  padding: 1.25rem;
  border: 1px solid var(--ink-line-soft);
  background: var(--ink-raised);
}
.spotlight__feature h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.6rem;
  font-weight: 400;
}
.spotlight__feature p { color: var(--paper); font-size: var(--fs-small); line-height: 1.5; }

@media (max-width: 880px) {
  .spotlight__grid { grid-template-columns: 1fr; }
  .spotlight__features { grid-template-columns: 1fr; }
}

/* ---------- KNOWLEDGE PREVIEW ---------- */
.knowledge-preview__list {
  border-bottom: 1px solid var(--ink-line);
}
.knowledge-preview__foot {
  margin-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- VIDEO PREVIEW ---------- */
.videos-preview {
  background: var(--ink-void);
  border-top: 1px solid var(--ink-line);
}
.videos-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.videos-preview__feature {
  grid-column: span 1;
}
@media (max-width: 980px) {
  .videos-preview__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .videos-preview__grid { grid-template-columns: 1fr; }
}

/* ---------- STANDARDS / CERTIFICATIONS ---------- */
.standards {
  padding-block: clamp(4rem, 6vw, 6rem);
  border-top: 1px solid var(--ink-line);
}
.standards__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.standards__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ink-line-soft);
  border: 1px solid var(--ink-line-soft);
}
.standards__item {
  background: var(--ink-base);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.standards__item .mono { font-size: var(--fs-micro); letter-spacing: 0.15em; color: var(--copper); text-transform: uppercase; }
.standards__item h4 { font-family: var(--font-display); font-size: 1.15rem; color: var(--paper); font-weight: 400; }
.standards__item p { font-size: var(--fs-small); color: var(--paper-dim); }
@media (max-width: 880px) {
  .standards__grid { grid-template-columns: 1fr; }
}

/* ---------- CTA ---------- */
.cta-band {
  padding-block: clamp(5rem, 9vw, 9rem);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, var(--copper-glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}
.cta-band h2 {
  font-size: var(--fs-h1);
  max-width: 18ch;
  margin: 0 auto;
}
.cta-band h2 em { font-style: italic; color: var(--copper-bright); }
.cta-band p { max-width: 52ch; color: var(--paper-dim); font-size: 1.05rem; }
.cta-band__actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin-top: 1rem; }

/* Downloads Preview */
.downloads-preview { padding:6rem 0; }
.downloads-preview__grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:12px; margin-top:3rem; }
.dl-card { display:flex; align-items:center; gap:1rem; padding:1rem 1.25rem; border:1px solid var(--ink-line); border-radius:8px; text-decoration:none; color:inherit; transition:border-color .2s,border .2s; }
.dl-card:hover { border-color:var(--copper); }
.dl-card__icon { flex-shrink:0; width:40px; height:40px; display:grid; place-items:center; border-radius:8px; background:var(--ink-raised); color:var(--copper); }
.dl-card__icon svg { width:22px; height:22px; }
.dl-card h4 { font-size:.95rem; font-weight:500; margin-bottom:2px; }
.dl-card__meta { font-size:.8rem; color:var(--paper-dim); }

/* FAQ Preview */
.faq-preview { padding:6rem 0; }
.faq-preview__list { max-width:740px; margin:3rem auto 0; }
.faq-preview__item { border-bottom:1px solid var(--ink-line); }
.faq-preview__item summary { display:flex; flex-direction:column; align-items:flex-start; gap:0.5rem; padding:1rem 0; cursor:pointer; font-weight:500; list-style:none; }
.faq-preview__item summary::-webkit-details-marker { display:none; }
.faq-preview__item summary svg { transition:transform .25s; align-self:flex-end; color:var(--copper); }
.faq-preview__item[open] summary svg { transform:rotate(180deg); }
.faq-preview__item p { padding:0 0 1.25rem; font-size:.925rem; line-height:1.7; color:var(--paper-dim); }

/* ---------- STATS BAND ---------- */
.stats-band {
  padding-block: clamp(3rem, 5vw, 5rem);
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}
.stats-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stats-band__grid > div { padding-right: 2rem; border-right: 1px solid var(--ink-line-soft); }
.stats-band__grid > div:last-child { border-right: none; }
@media (max-width: 880px) {
  .stats-band__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
  .stats-band__grid > div:nth-child(2) { border-right: none; }
}
@media (max-width: 480px) {
  .stats-band__grid { grid-template-columns: 1fr; }
  .stats-band__grid > div { border-right: none; border-bottom: 1px solid var(--ink-line-soft); padding-bottom: 1.5rem; }
  .stats-band__grid > div:last-child { border-bottom: none; padding-bottom: 0; }
}