/* =========================================================
   SourcioX — category pages
   Loaded after styles.css. Extends the core system, never
   redefines it. Same palette, same type scale, same rhythm.
   ========================================================= */

/* ---------- sub hero ---------- */
.subhero {
  position: relative;
  background: var(--navy-850);
  color: var(--paper);
  padding-top: calc(84px + clamp(44px, 6vw, 84px));
  padding-bottom: clamp(44px, 5.6vw, 74px);
  overflow: hidden;
}
.subhero::before {
  content: "";
  position: absolute;
  top: -34%; right: -14%;
  width: 58vw; height: 58vw;
  max-width: 760px; max-height: 760px;
  background: radial-gradient(circle at 50% 50%, rgba(180, 114, 60, .20), rgba(180, 114, 60, 0) 62%);
  pointer-events: none;
}
.subhero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .56fr);
  gap: clamp(28px, 4.4vw, 72px);
  align-items: end;
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(247, 244, 238, .48);
  margin-bottom: 26px;
}
.crumb a { color: rgba(247, 244, 238, .74); }
.crumb a:hover { color: var(--copper-light); }
.crumb .sep { opacity: .38; }

.subhero h1 {
  font-size: clamp(32px, 4.4vw, 55px);
  letter-spacing: -0.024em;
  color: var(--paper);
}
.subhero h1 em { font-style: italic; color: var(--copper-on-navy); }
.subhero .lede {
  margin-top: 22px;
  max-width: 58ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.7;
  color: #B4BFCA;
}

.subhero-aside {
  border-left: 1px solid rgba(247, 244, 238, .16);
  padding-left: clamp(20px, 2.2vw, 32px);
}
.sa-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  padding-block: 11px;
  border-bottom: 1px solid rgba(247, 244, 238, .1);
}
.sa-row:first-child { border-top: 1px solid rgba(247, 244, 238, .1); }
.sa-row dt {
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--copper-on-navy);
  line-height: 2.1;
}
.sa-row dd {
  margin: 0;
  font-size: 12.6px;
  line-height: 1.55;
  color: #C3CCD6;
}

/* ---------- section rhythm ---------- */
.section--tight { padding-block: clamp(54px, 6.4vw, 92px); }
.section--flush-top { padding-top: clamp(40px, 4.6vw, 64px); }

/* ---------- spec tables ---------- */
.spec-block { margin-top: clamp(30px, 3.6vw, 46px); }
.spec-block:first-of-type { margin-top: 0; }

.spec-lead {
  font-size: 13.6px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 78ch;
  margin-bottom: 18px;
}
.spec-lead strong { color: var(--ink); font-weight: 500; }

.spec-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-2);
  background: #FFFFFF;
  scrollbar-width: thin;
}
/* for tables with three columns or fewer — stops the values drifting apart */
.spec-wrap--narrow { max-width: 900px; }
.spec {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  font-size: 13px;
}
.spec-cap {
  margin-bottom: 10px;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.spec th {
  text-align: left;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--sans);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
  vertical-align: bottom;
}
.spec td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.55;
  color: var(--ink-2);
}
.spec tbody tr:last-child td { border-bottom: 0; }
.spec tbody tr:hover { background: rgba(168, 95, 46, .042); }
.spec td:first-child {
  color: var(--ink);
  font-weight: 500;
  min-width: 148px;
}
.spec .n {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.spec .sub {
  display: block;
  margin-top: 2px;
  font-size: 10.8px;
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--muted);
}
.spec .mark { color: var(--copper); font-weight: 500; }

.spec-scroll-hint {
  display: none;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.spec-note {
  position: relative;
  margin-top: 16px;
  padding-left: 20px;
  max-width: 92ch;
  font-size: 12.2px;
  line-height: 1.7;
  color: var(--muted);
}
.spec-note::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 10px;
  height: 1px;
  background: var(--copper);
}
.spec-note b { color: var(--ink-2); font-weight: 500; }

/* symbol-bearing header cells must not be uppercased */
.spec th .lc { text-transform: none; letter-spacing: .02em; }
.spec th .sub { text-transform: none; letter-spacing: .03em; }

/* ---------- grade cards ---------- */
.grade-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: clamp(22px, 2.6vw, 34px);
}
.grade {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--line-2);
  padding: clamp(20px, 2vw, 26px);
}
.grade--lead { border-color: var(--copper); box-shadow: inset 0 2px 0 var(--copper); }
.grade-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 11px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.grade-top b { color: var(--copper); font-weight: 500; }
.grade h3 { font-size: 18.5px; margin-bottom: 7px; }
.grade > p {
  font-size: 12.8px;
  line-height: 1.62;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.grade dl { margin: 0; }
.grade dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-block: 8px;
  border-top: 1px dotted var(--line-2);
  font-size: 12.2px;
}
.grade dt { color: var(--muted); }
.grade dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- qualification checklist ---------- */
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(28px, 4vw, 56px);
  margin-top: clamp(24px, 3vw, 40px);
}
.check {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  padding-block: 17px;
  border-bottom: 1px solid var(--line);
}
.check-i {
  font-family: var(--serif);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--copper);
  font-variant-numeric: tabular-nums;
}
.check h3 {
  font-family: var(--sans);
  font-size: 14.2px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.45;
  margin-bottom: 5px;
}
.check p {
  font-size: 12.9px;
  line-height: 1.62;
  color: var(--ink-2);
}

/* ---------- buyer traps ---------- */
.traps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-2);
  margin-top: clamp(24px, 3vw, 38px);
}
.trap {
  padding: 26px clamp(16px, 2vw, 28px) 4px;
  border-right: 1px solid var(--line);
}
.trap:first-child { padding-left: 0; }
.trap:last-child { border-right: 0; padding-right: 0; }
.trap-n {
  display: block;
  margin-bottom: 13px;
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
}
.trap h3 { font-size: 16.5px; line-height: 1.3; margin-bottom: 9px; }
.trap p { font-size: 12.9px; line-height: 1.66; color: var(--ink-2); }

/* ---------- cross links ---------- */
.cross {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: clamp(24px, 3vw, 38px);
}
.cross a {
  display: block;
  background: #FFFFFF;
  border: 1px solid var(--line-2);
  padding: clamp(20px, 2vw, 26px);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.cross a:hover { border-color: var(--copper); transform: translateY(-2px); }
.cross .c-k {
  display: block;
  margin-bottom: 9px;
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
}
.cross h3 { font-size: 16.5px; line-height: 1.3; margin-bottom: 7px; }
.cross p { font-size: 12.7px; line-height: 1.6; color: var(--muted); margin-bottom: 14px; }
.cross .c-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--copper);
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--navy-850);
  color: var(--paper);
  padding-block: clamp(52px, 6.4vw, 86px);
}
.cta-band::before {
  content: "";
  position: absolute;
  left: -10%; bottom: -60%;
  width: 46vw; height: 46vw;
  max-width: 620px; max-height: 620px;
  background: radial-gradient(circle at 50% 50%, rgba(180, 114, 60, .20), rgba(180, 114, 60, 0) 62%);
  pointer-events: none;
}
.cta-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(26px, 4vw, 64px);
  align-items: center;
}
.cta-band h2 { font-size: clamp(26px, 3.3vw, 42px); color: var(--paper); }
.cta-band p {
  margin-top: 15px;
  max-width: 52ch;
  font-size: 14.6px;
  line-height: 1.68;
  color: #A9B4C0;
}
.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .subhero-inner { grid-template-columns: 1fr; align-items: start; }
  .subhero-aside { border-left: 0; border-top: 1px solid rgba(247, 244, 238, .16); padding-left: 0; padding-top: 8px; }
  .sa-row:first-child { border-top: 0; }
  .grade-grid { grid-template-columns: 1fr 1fr; }
  .traps { grid-template-columns: 1fr; border-top: 1px solid var(--line-2); }
  .trap { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px 0; }
  .trap:last-child { border-bottom: 0; }
  .cross { grid-template-columns: 1fr 1fr; }
  .cta-band-inner { grid-template-columns: 1fr; }
  .cta-band-actions { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .section--tight { padding-block: clamp(44px, 8vw, 68px); }
  .check-grid { grid-template-columns: 1fr; }
  .grade-grid { grid-template-columns: 1fr; }
  .cross { grid-template-columns: 1fr; }
  .spec-scroll-hint { display: block; }
  .spec td, .spec th { padding-inline: 13px; }
  .spec caption { padding-inline: 13px; }
  .cta-band-actions .btn { width: 100%; }
}

/* narrow phones: the at-a-glance list needs a wider value column */
@media (max-width: 420px) {
  .sa-row { grid-template-columns: 76px 1fr; gap: 12px; }
  .sa-row dd { font-size: 12.1px; }
  .sa-row dt { font-size: 9px; }
}