/* Solution pages (/what-we-do/{slug}/)
   ====================================
   Shared sheet for the thirteen solution landing pages, following the
   Horizon-cluster convention: one linked (not bundled) sheet per page family,
   prefix `sp-`. Generalized from what-we-do-omnichannel-commerce.head.html's
   page-local `occ-` system, which had already solved most of this — bands,
   type ramp, buttons, hero copy column, a numbered insights list, a capability
   grid, a proof grid, a fit-yes/fit-no split, a stats grid, and a FAQ
   accordion. This sheet keeps that system and adds the modules the other
   twelve pages need on top of it: two-tier challenge cards, a commitments
   table, a phase timeline, a curated logo bar, testimonials, the checklist
   download form, related cards, and the optional Platinum Partner band.

   Accent discipline follows the audit baseline: --red is display-type only;
   normal-size accents use --red-deep on light grounds and --red-bright on the
   dark bands, both of which pass AA. Font stack is Calibre everywhere,
   matching every other hand-authored page. */

.sp-band-light { background-color: var(--white); }
.sp-band-cream { background-color: var(--cream); }
.sp-band-dark { background-color: var(--ink); }
.sp-pad { padding-top: 100px; padding-bottom: 100px; }

/* ---------- Type primitives ---------- */
.sp-h2 {
  margin: 0 0 24px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 52px; font-weight: 500; line-height: 1.03;
  letter-spacing: -0.5px; color: var(--ink); max-width: 860px;
}
.sp-band-dark .sp-h2 { color: #fff; }
.sp-h2 .is-accent { color: var(--red); }
.sp-lede {
  margin: 0;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 23px; font-weight: 400; line-height: 1.32;
  color: var(--ink-strong); max-width: 700px;
}
.sp-band-dark .sp-lede { color: var(--ink-muted); }
.sp-section-head {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 24px 72px; align-items: end; margin-bottom: 56px;
}
.sp-section-head.is-narrow { display: block; }
.sp-section-head.is-narrow .sp-lede { margin-top: 20px; }
.sp-body {
  margin: 0 0 22px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 21px; font-weight: 400; line-height: 1.42;
  color: var(--ink-strong); max-width: 780px;
}
.sp-band-dark .sp-body { color: rgba(246, 245, 240, 0.82); }
.sp-body:last-child { margin-bottom: 0; }
.sp-eyebrow {
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; font-weight: 600; line-height: 1; letter-spacing: 2px;
  text-transform: uppercase; color: var(--ink-soft); margin: 0 0 20px;
}

/* ---------- Buttons + inline "more" link ---------- */
.sp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 62px; padding: 15px 26px 11px; border-radius: var(--r-md);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 19px; font-weight: 600; line-height: 1.1;
  text-decoration: none; transition: background-color .15s, color .15s, border-color .15s;
}
.sp-btn-dark { background-color: var(--ink); color: #fff; border: 1px solid var(--ink); padding-left: 14px; }
.sp-btn-dark:hover { background-color: #2a2a28; }
.sp-btn-outline { background-color: transparent; color: var(--ink); border: 1px solid var(--ink); }
.sp-btn-outline:hover { background-color: rgba(18, 18, 17, 0.06); }
.sp-btn-avatar { border-radius: var(--r-circle); width: 42px; height: 42px; object-fit: cover; }
.sp-more {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 19px; font-weight: 600; color: var(--ink);
  text-decoration: none; transition: gap .15s, color .15s;
}
.sp-more:hover { gap: 14px; color: var(--red-deep); }
.sp-band-dark .sp-more { color: #fff; }
.sp-band-dark .sp-more:hover { color: var(--red-bright); }
.sp-more svg { width: 16px; height: 10px; flex: none; }

/* ---------- 1. Hero ---------- */
/* Surface, H1 type and vertical rhythm come from the shared .hero-surface in
   hero.css; this is only the copy column's own measure, stat line and CTAs. */
.sp-hero { max-width: 900px; }
.sp-hero h1 { margin: 0 0 20px; max-width: 820px; }
.sp-hero h1 .is-accent { color: var(--red); }
.sp-stat-line {
  margin: 0 0 24px; padding-left: 26px; border-left: 4px solid var(--red);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 20px; font-weight: 400; line-height: 1.4;
  color: var(--ink-strong); max-width: 740px;
}
.sp-stat-line strong { font-weight: 600; color: var(--ink); }
.sp-hero-sub {
  margin: 0 0 32px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 20px; font-weight: 400; line-height: 1.42;
  color: var(--ink-strong); max-width: 760px;
}
.sp-hero-ctas { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.sp-hero-cta-link {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; font-weight: 600; color: var(--ink); text-decoration: underline;
  text-decoration-color: var(--rule); text-underline-offset: 3px;
}
.sp-hero-cta-link:hover { color: var(--red-deep); text-decoration-color: var(--red-deep); }
.sp-hero-media { max-width: 100%; height: auto; }

/* ---------- Logo trust bar (curated row, not the full scrolling marquee) --- */
.sp-logobar { padding: 44px 0 52px; }
.sp-logobar-label {
  text-align: center; margin: 0 0 30px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 14px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--ink-muted);
}
.sp-logobar-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 40px 56px;
}
.sp-logobar-row img { height: 30px; width: auto; opacity: 0.86; }
/* Full marquee reuse (shell-marquee.html) inside a dark band, flush */
.sp-logobar .surface-dark { background: transparent; margin-top: 0; }

/* ---------- 3. Challenges: two-tier card grid ---------- */
.sp-challenges-intro { max-width: 900px; margin: 0 0 48px; }
.sp-tier { margin-bottom: 56px; }
.sp-tier:last-child { margin-bottom: 0; }
.sp-tier-label {
  display: flex; align-items: center; gap: 14px; margin: 0 0 28px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 14px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--red-bright);
}
.sp-tier-label::after { content: ""; flex: 1; height: 1px; background: var(--ink-strong); }
.sp-challenge-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
}
.sp-challenge-card {
  border-radius: var(--r-lg); background: #1e1e1e; border: 1px solid var(--ink-strong);
  padding: 30px 30px 28px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  transition: border-color .2s, transform .2s;
}
.sp-challenge-card:hover { border-color: var(--red); transform: translateY(-4px); }
.sp-challenge-title {
  margin: 0 0 12px; font-size: 21px; font-weight: 600; line-height: 1.2; color: #fff;
}
.sp-challenge-body {
  margin: 0; font-size: 18px; font-weight: 400; line-height: 1.42;
  color: rgba(246, 245, 240, 0.82);
}
.sp-challenge-body strong { color: #fff; font-weight: 600; }
.sp-challenge-body a { color: var(--red-bright); }

/* ---------- Numbered insights list (used for the doctrine section) -------- */
.sp-insights { display: flex; flex-direction: column; gap: 8px; }
.sp-insight {
  display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 8px 32px;
  align-items: start; padding: 36px 0; border-top: 1px solid var(--rule);
}
.sp-insight:first-child { border-top: none; padding-top: 8px; }
.sp-insight-num {
  grid-row: span 2;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 30px; font-weight: 600; line-height: 1; color: var(--red-deep);
  font-variant-numeric: tabular-nums; padding-top: 6px;
}
.sp-insight-title {
  margin: 0 0 14px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 28px; font-weight: 600; line-height: 1.1; color: var(--ink);
}
.sp-insight-body .sp-body { max-width: 820px; }
.sp-insight-body strong { font-weight: 600; color: var(--ink); }

/* ---------- Scope icon grid / capability cards ---------- */
.sp-scope-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.sp-scope-card {
  border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--cream);
  padding: 30px 30px 26px; transition: border-color .2s, transform .2s;
}
.sp-scope-card:hover { border-color: var(--red-deep); transform: translateY(-4px); }
.sp-scope-icon { width: 30px; height: 30px; margin-bottom: 18px; color: var(--red-deep); }
.sp-scope-title {
  margin: 0 0 12px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 21px; font-weight: 600; line-height: 1.15; color: var(--ink);
}
.sp-scope-body {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; font-weight: 400; line-height: 1.42; color: var(--ink-strong);
}
.sp-scope-body a { color: var(--red-deep); }

/* ---------- Commitments table ---------- */
.sp-commitments { width: 100%; border-collapse: collapse; max-width: 980px; }
.sp-commitments th, .sp-commitments td {
  text-align: left; padding: 18px 20px; border-bottom: 1px solid var(--rule);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; line-height: 1.4; vertical-align: top;
}
.sp-commitments th {
  font-weight: 600; color: var(--ink-soft); font-size: 14px; letter-spacing: 1px;
  text-transform: uppercase; padding-bottom: 12px; border-bottom: 2px solid var(--ink);
}
.sp-commitments td:first-child { font-weight: 600; color: var(--ink); width: 32%; }
.sp-commitments td:last-child { color: var(--ink-strong); }
.sp-commitments-close {
  margin: 24px 0 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; font-style: italic; color: var(--ink-soft); max-width: 900px;
}

/* ---------- Phase timeline ---------- */
.sp-timeline {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px;
  counter-reset: sp-phase;
}
.sp-phase {
  border-top: 3px solid var(--red-deep); padding-top: 20px; counter-increment: sp-phase;
}
.sp-phase-num {
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 14px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--red-deep); margin: 0 0 10px;
}
.sp-phase-num::before { content: "Phase " counter(sp-phase) " — "; }
.sp-phase-title {
  margin: 0 0 8px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 20px; font-weight: 600; color: var(--ink); line-height: 1.2;
}
.sp-phase-when {
  margin: 0 0 12px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 15px; font-weight: 500; color: var(--ink-soft);
}
.sp-phase-body {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 16px; font-weight: 400; line-height: 1.42; color: var(--ink-strong);
}
.sp-timeline-note {
  margin: 32px 0 0; padding: 22px 26px; border-radius: var(--r-md);
  background: var(--cream); border: 1px solid var(--rule);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; line-height: 1.45; color: var(--ink-strong); max-width: 900px;
}
.sp-timeline-note strong { color: var(--ink); }

/* ---------- Entry points / "where it starts" cards ---------- */
.sp-entry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.sp-entry-card { padding: 8px 0; border-top: 1px solid var(--rule); }
.sp-entry-title {
  margin: 16px 0 10px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 21px; font-weight: 600; color: var(--ink); line-height: 1.2;
}
.sp-entry-body {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; font-weight: 400; line-height: 1.42; color: var(--ink-strong);
}
.sp-entry-body a { color: var(--red-deep); }

/* ---------- Qualifying / disqualifying two-column split ---------- */
.sp-fit { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.sp-fit-col { border-radius: var(--r-lg); padding: 32px 32px 28px; }
.sp-fit-col.is-yes { background: #fdf6f5; border: 1px solid var(--rule); }
.sp-fit-col.is-no { background: var(--cream); border: 1px solid var(--rule); }
.sp-fit-title {
  margin: 0 0 20px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 22px; font-weight: 600; line-height: 1.15; color: var(--ink);
}
.sp-fit-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.sp-fit-list li {
  position: relative; padding-left: 30px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; font-weight: 400; line-height: 1.4; color: var(--ink-strong);
}
.sp-fit-list li::before { position: absolute; left: 0; top: 1px; font-weight: 700; }
.sp-fit-col.is-yes li::before { content: "✓"; color: var(--red-deep); }
.sp-fit-col.is-no li::before { content: "×"; color: var(--ink-soft); }
.sp-fit-list strong { font-weight: 600; color: var(--ink); }
.sp-fit-list a { color: var(--red-deep); text-decoration: none; border-bottom: 1px solid rgba(208,51,47,.35); }
.sp-fit-list a:hover { border-bottom-color: var(--red-deep); }

/* ---------- Proof band (five sitewide stats) ---------- */
.sp-stats {
  list-style: none; margin: 0 0 20px; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px;
}
.sp-stat {
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  background: #1e1e1e; border: 1px solid var(--ink-strong); border-radius: var(--r-lg);
  padding: 24px; transition: border-color .2s, transform .2s;
}
.sp-stat::before {
  content: ""; position: absolute; top: -70px; left: -50px; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(232, 66, 62, 0.16) 0%, rgba(232, 66, 62, 0) 68%);
  pointer-events: none;
}
.sp-stat:hover { border-color: var(--red); transform: translateY(-4px); }
.sp-stat > * { position: relative; }
.sp-stat-kind {
  margin: 0 0 8px; color: var(--red-bright); text-transform: uppercase;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 12px; font-weight: 600; letter-spacing: 1.4px;
}
.sp-stat-figure {
  margin: 0 0 8px; color: #fff;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: clamp(1.9rem, 2.6vw, 2.5rem); font-weight: 600; line-height: 0.98;
  letter-spacing: -1px; font-variant-numeric: tabular-nums;
}
.sp-stat-label {
  margin: auto 0 0; color: var(--cream);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 0.95rem; font-weight: 500; line-height: 1.3;
}
.sp-stats-caption {
  margin: 0; max-width: 900px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; line-height: 1.42; color: var(--ink-muted);
}
.sp-band-cream .sp-stats-caption, .sp-band-light .sp-stats-caption { color: var(--ink-soft); }

/* ---------- Testimonials, two-up ---------- */
.sp-testimonials { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.sp-quote {
  border-radius: var(--r-lg); padding: 36px 34px 30px; background: var(--cream);
  border: 1px solid var(--rule); display: flex; flex-direction: column; gap: 20px;
}
.sp-quote-mark {
  font-family: Georgia, serif; font-size: 60px; line-height: 1; color: var(--red-deep);
}
.sp-quote-text {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 21px; font-weight: 400; line-height: 1.42; color: var(--ink);
}
.sp-quote-attr {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 16px; font-weight: 600; color: var(--ink-soft);
}
.sp-quote-attr span { display: block; font-weight: 400; }

/* ---------- Case-study cards (static grid, not a slider) ---------- */
.sp-case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.sp-case-card {
  display: flex; flex-direction: column; gap: 16px;
  border-radius: var(--r-lg); background: #1e1e1e; border: 1px solid var(--ink-strong);
  padding: 30px 30px 28px; text-decoration: none; transition: border-color .2s, transform .2s;
}
.sp-case-card:hover { border-color: var(--red); transform: translateY(-4px); }
.sp-case-brand {
  margin: 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 14px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--red-bright);
}
.sp-case-headline {
  margin: 0; flex: 1; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 20px; font-weight: 600; line-height: 1.32; color: #fff;
}
.sp-case-link {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 16px; font-weight: 600; color: #fff;
}
.sp-case-card:hover .sp-case-link { color: var(--red-bright); }
.sp-case-link svg { width: 15px; height: 10px; flex: none; }
.sp-case-seeall {
  margin: 32px 0 0; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; font-weight: 600;
}
.sp-band-dark .sp-case-seeall { color: #fff; }
.sp-case-seeall a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Checklist / framework download block ---------- */
.sp-framework { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.sp-framework-list { list-style: none; margin: 0; padding: 0; counter-reset: sp-fw; display: grid; gap: 20px; }
.sp-framework-list li {
  position: relative; padding-left: 40px; counter-increment: sp-fw;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; font-weight: 400; line-height: 1.42; color: var(--ink-strong);
}
.sp-framework-list li::before {
  content: counter(sp-fw); position: absolute; left: 0; top: 0;
  width: 26px; height: 26px; border-radius: var(--r-circle); background: var(--ink);
  color: #fff; font-size: 13px; font-weight: 600; text-align: center; line-height: 26px;
}
.sp-framework-list strong { font-weight: 600; color: var(--ink); }
.sp-download-card {
  border-radius: var(--r-lg); background: var(--ink); color: #fff; padding: 34px 32px;
}
.sp-download-title {
  margin: 0 0 10px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 22px; font-weight: 600; line-height: 1.2;
}
.sp-download-body {
  margin: 0 0 24px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 16px; font-weight: 400; line-height: 1.42; color: var(--ink-muted);
}
.sp-download-field { margin-bottom: 12px; }
.sp-download-input {
  width: 100%; box-sizing: border-box; padding: 14px 16px; border-radius: var(--r-sm);
  border: 1px solid var(--ink-strong); background: #1e1e1e; color: #fff;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif; font-size: 16px;
}
.sp-download-input::placeholder { color: var(--ink-muted); }
.sp-download-input.has-error { border-color: var(--red-bright); }
.sp-download-error { display: none; margin: 4px 0 0; color: var(--red-bright); font-size: 14px; }
.sp-download-submit {
  width: 100%; margin-top: 8px; padding: 15px; border: none; border-radius: var(--r-sm);
  background: var(--red); color: #fff; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 17px; font-weight: 600; cursor: pointer; transition: background-color .15s;
}
.sp-download-submit:hover { background: var(--red-hover); }
.sp-download-submit:disabled { opacity: 0.6; cursor: default; }
.sp-download-disclaimer {
  margin: 14px 0 0; font-size: 13px; line-height: 1.4; color: var(--ink-muted);
}
.sp-download-disclaimer a { color: var(--cream); }

/* ---------- FAQ / doctrine accordion (shared markup) ---------- */
.sp-accordion { margin-top: 44px; max-width: 940px; }
.sp-accordion details { border-bottom: 1px solid var(--rule); }
.sp-accordion summary {
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 26px 4px 22px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 22px; font-weight: 600; line-height: 1.2; color: var(--ink);
}
.sp-band-dark .sp-accordion summary { color: #fff; }
.sp-band-dark .sp-accordion details { border-bottom-color: var(--ink-strong); }
.sp-accordion summary::-webkit-details-marker { display: none; }
.sp-accordion summary::after {
  content: "+"; flex-shrink: 0;
  width: 34px; height: 34px; border-radius: var(--r-circle); border: 1.5px solid var(--ink);
  font-size: 22px; font-weight: 500; line-height: 32px; text-align: center; color: var(--ink);
  transition: transform .2s, background-color .2s, color .2s;
}
.sp-band-dark .sp-accordion summary::after { border-color: #fff; color: #fff; }
.sp-accordion details[open] summary::after { content: "–"; background: var(--ink); color: #fff; }
.sp-band-dark .sp-accordion details[open] summary::after { background: #fff; color: var(--ink); }
.sp-accordion-a {
  margin: 0; padding: 0 60px 28px 4px;
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 19px; font-weight: 400; line-height: 1.45; color: var(--ink-strong);
}
.sp-band-dark .sp-accordion-a { color: rgba(246, 245, 240, 0.82); }

/* ---------- Platinum Partner secondary band ---------- */
.sp-platinum {
  margin-top: 40px; padding: 30px 32px; border-radius: var(--r-lg);
  background: rgba(255,255,255,0.04); border: 1px solid var(--ink-strong);
  font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 18px; line-height: 1.44; color: rgba(246, 245, 240, 0.85); max-width: 980px;
}
.sp-platinum strong { color: #fff; font-weight: 600; }

/* ---------- Related three-card block ---------- */
.sp-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.sp-related-card {
  display: block; padding: 24px 26px; border-radius: var(--r-lg);
  border: 1px solid var(--rule); text-decoration: none; transition: border-color .2s, transform .2s;
}
.sp-related-card:hover { border-color: var(--red-deep); transform: translateY(-4px); }
.sp-related-label {
  display: block; margin-bottom: 8px; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 13px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--ink-muted);
}
.sp-related-title {
  display: block; font-family: Calibre, "Calibre Fallback", Arial, sans-serif;
  font-size: 19px; font-weight: 600; color: var(--ink); line-height: 1.28;
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 991px) {
  .sp-pad { padding-top: 72px; padding-bottom: 72px; }
  .sp-h2 { font-size: 38px; }
  .sp-section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 44px; }
  .sp-challenge-grid, .sp-scope-grid, .sp-entry-grid, .sp-case-grid,
  .sp-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .sp-fit, .sp-testimonials, .sp-framework { grid-template-columns: 1fr; }
  .sp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-insight-title { font-size: 24px; }
}
@media screen and (max-width: 767px) {
  .sp-h2 { font-size: 32px; }
  .sp-stat-line { font-size: 19px; }
  .sp-insight { grid-template-columns: 1fr; gap: 6px; padding: 28px 0; }
  .sp-insight-num { grid-row: auto; padding-top: 0; margin-bottom: 4px; }
  .sp-challenge-grid, .sp-scope-grid, .sp-entry-grid, .sp-case-grid,
  .sp-related-grid, .sp-timeline { grid-template-columns: 1fr; }
  .sp-stats { grid-template-columns: 1fr; }
  .sp-commitments th:first-child, .sp-commitments td:first-child { width: auto; }
}
@media screen and (max-width: 479px) {
  .sp-h2 { font-size: 28px; }
  .sp-insight-title { font-size: 22px; }
  .sp-accordion summary { font-size: 19px; }
  .sp-btn { font-size: 18px; width: 100%; }
  .sp-hero-ctas { align-items: stretch; }
}