/* ============================================================
   Shared product-detail-page styles
   Each product page sets theme via `body class="theme-qai|quaxis|qbit"`
   ============================================================ */

/* ----- PRODUCT HERO ----- */
.p-hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 14vh, 160px) var(--pad-x) clamp(60px, 8vh, 100px);
}
.p-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.p-logo-block { display: flex; align-items: center; gap: 18px; }

/* Logo sits on a light chip so the dark wordmark stays readable
   while the colored marks keep their true brand colors. */
.p-logo-plate {
  display: inline-flex;
  align-items: center;
  padding: 14px 20px;
  background: #f4f4f500;
  border-radius: 12px;
 
}
.p-logo {
  height: 44px;
  width: auto;
  display: block;
}

.p-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: flex;
  align-items: center;
  gap: 12px;
}
.p-breadcrumb a { color: var(--fg-3); }
.p-breadcrumb a:hover { color: var(--accent); }
.p-breadcrumb .sep { color: var(--fg-4); }
.p-breadcrumb .here { color: var(--accent); }

.p-hero h1 {
  font-size: clamp(56px, 9.5vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  font-weight: 400;
  font-family: var(--font-display);
  margin: 0;
}
.p-hero h1 em { font-style: normal; color: var(--accent); }
.p-hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
@media (max-width: 800px) { .p-hero-meta { grid-template-columns: 1fr; gap: 24px; } }
.p-hero-meta .l {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 8px;
}
.p-hero-meta .v {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.p-hero-meta .v.accent { color: var(--accent); }

.p-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* ----- ONE-LINER STRIP ----- */
.p-oneliner {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--bg) 0%, color-mix(in oklab, var(--accent) 4%, var(--bg)) 50%, var(--bg) 100%);
}
.p-oneliner-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 10vh, 120px) var(--pad-x);
}
.p-oneliner p {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--fg);
  max-width: 22ch;
  margin: 0;
}
.p-oneliner p .accent { color: var(--accent); }

/* ----- PROBLEM / SOLUTION ----- */
.p-prob {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
}
.p-prob-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 980px) { .p-prob-grid { grid-template-columns: 1fr; } }
.p-prob h2 {
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 16px 0 0;
}
.p-pain-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}
.p-pain-list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-1);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}
.p-pain-list li .x {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 13px;
  line-height: 1.4;
  padding-top: 1px;
}
.p-pain-list li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-2);
}

/* ----- CAPABILITY GRID ----- */
.p-caps {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 10vh, 120px) var(--pad-x);
  border-top: 1px solid var(--line);
}
.p-caps-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.p-caps-head h2 {
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 14px 0 0;
  max-width: 14ch;
}
.p-caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (max-width: 980px) { .p-caps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .p-caps-grid { grid-template-columns: 1fr; } }
.cap {
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
  transition: background .25s ease;
}
.cap:hover { background: color-mix(in oklab, var(--accent) 6%, transparent); }
.cap-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.cap h4 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
}
.cap p {
  margin: 0;
  color: var(--fg-3);
  font-size: 13px;
  line-height: 1.55;
}

/* ----- DEMO BLOCK ----- */
.p-demo {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
  border-top: 1px solid var(--line);
}
.p-demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 980px) { .p-demo-grid { grid-template-columns: 1fr; } }
.p-demo h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 16px 0 24px;
}
.p-demo .lead { color: var(--fg-2); margin-bottom: 28px; }

/* ----- USE CASES ----- */
.p-uc {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 10vh, 120px) var(--pad-x);
  border-top: 1px solid var(--line);
}
.p-uc h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 14px 0 40px;
}
.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 800px) { .uc-grid { grid-template-columns: 1fr; } }
.uc {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-1);
}
.uc-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.uc-q {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 10px;
}
.uc p {
  margin: 0;
  font-size: 14px;
  color: var(--fg-3);
  line-height: 1.55;
}

/* ----- WORKS WITH (cross-product) ----- */
.p-with {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
  border-top: 1px solid var(--line);
}
.p-with h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 14px 0 16px;
  max-width: 22ch;
}
.p-with .lead { color: var(--fg-2); margin-bottom: 40px; }
.with-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) { .with-grid { grid-template-columns: 1fr; } }
.with-card {
  --c: var(--fg);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-1);
  text-decoration: none;
  color: inherit;
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.with-card.quaxis { --c: var(--quaxis); }
.with-card.qbit   { --c: var(--qbit); }
.with-card.qai    { --c: var(--qai); }
.with-card:hover {
  border-color: var(--c);
  transform: translateY(-2px);
}
.with-head {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c);
}
.with-head .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 10px var(--c);
}
.with-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}
.with-card p {
  margin: 0;
  color: var(--fg-3);
  font-size: 14px;
  line-height: 1.55;
}
.with-link {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ----- CTA ----- */
.p-cta {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
  text-align: center;
  border-top: 1px solid var(--line);
}
.p-cta h2 {
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 0 auto 28px;
  max-width: 16ch;
}
.p-cta h2 em { font-style: normal; color: var(--accent); }

@media (max-width: 640px) {
  .p-hero {
    padding-top: clamp(48px, 12vh, 80px);
    padding-bottom: clamp(40px, 6vh, 60px);
  }
  .p-hero h1 {
    font-size: clamp(38px, 10vw, 52px);
    line-height: 0.96;
  }
  .p-hero-top {
    margin-bottom: 28px;
    gap: 14px;
  }
  .p-logo { height: 34px; }
  .p-logo-plate { padding: 10px 14px; }
  .p-breadcrumb {
    font-size: 10px;
    gap: 8px;
    flex-wrap: wrap;
  }
  .p-hero-meta { margin-top: 40px; padding-top: 24px; }
  .p-hero-meta .v { font-size: 18px; }
  .p-hero-actions { flex-direction: column; }
  .p-hero-actions .btn { width: 100%; }
  .p-oneliner p { max-width: none; font-size: clamp(22px, 6vw, 32px); }
  .p-prob { padding-top: clamp(56px, 10vh, 80px); padding-bottom: clamp(56px, 10vh, 80px); }
  .p-prob-grid { gap: 32px; }
  .p-caps-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }
  .p-caps-head h2 { max-width: none; }
  .cap { min-height: auto; padding: 20px; }
  .p-demo-grid { gap: 32px; }
  .p-cta h2 { max-width: none; font-size: clamp(32px, 8vw, 48px); }
  .with-card h3 { font-size: 20px; }
}