/* research.talentselect.ai — page styles on top of the shared design system. */

html, body { background: var(--ink-0); color: var(--fg-primary); overflow-x: clip; }
body { font-family: var(--font-sans); }
[id] { scroll-margin-top: 88px; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ── Nav ─────────────────────────────────────────────────── */
.nav-brand .nav-logo { height: 36px; display: block; }
.nav-brand .nav-logo--dark { display: none; }
.nav-root--solid .nav-brand .nav-logo--light { display: none; }
.nav-root--solid .nav-brand .nav-logo--dark { display: block; }
.nav-brand { display: block; }
.nav-cta { white-space: nowrap; }
@media (max-width: 880px) {
  .nav-brand .nav-logo { height: 30px; }
}

/* ── Shared helpers ──────────────────────────────────────── */
.section-intro { font-size: 18px; line-height: 1.6; color: var(--fg-secondary); max-width: 720px; margin: 22px 0 0; }
.body-lg { font-size: 18px; line-height: 1.6; color: var(--fg-secondary); }
.hero-cta-row { flex-wrap: wrap; }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--fg-body);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 4px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--brand-plum);
  border-bottom: 2px solid var(--brand-plum);
  transform: rotate(-45deg);
}

/* ── Audience ────────────────────────────────────────────── */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card {
  background: var(--ink-0);
  border: 1px solid var(--border-hair);
  border-radius: 16px;
  padding: 32px;
}
.audience-kicker { font: 600 12px/1.4 var(--font-sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-gold); margin-bottom: 12px; }
.audience-title { font-family: var(--font-serif); font-weight: 400; font-size: 28px; letter-spacing: -0.03em; line-height: 1.15; margin: 0 0 12px; color: var(--ink-8); }
.audience-desc { font-size: 16px; line-height: 1.55; color: var(--fg-secondary); margin: 0 0 20px; }
@media (max-width: 980px) { .audience-grid { grid-template-columns: 1fr; } }

/* ── Product access ──────────────────────────────────────── */
.product-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product-card {
  background: var(--ink-0);
  border: 1px solid var(--border-hair);
  border-radius: 16px;
  padding: 36px;
}
.product-card-audience { font: 600 12px/1.4 var(--font-sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-gold); margin-bottom: 14px; }
.product-card-name { font-family: var(--font-serif); font-weight: 400; font-size: 36px; letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 14px; color: var(--ink-8); }
.product-card-desc { font-size: 16px; line-height: 1.55; color: var(--fg-secondary); margin: 0 0 22px; }
@media (max-width: 880px) { .product-cards { grid-template-columns: 1fr; } }

.code-card { margin: 24px 0 0; background: var(--brand-plum-deep); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-plum); }
.code-card-head { padding: 12px 20px; border-bottom: 1px solid rgba(255,255,255,0.08); font: 600 12px/1 var(--font-sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-gold-soft); }
.code-card pre { margin: 0; padding: 20px; overflow-x: auto; }
.code-card code { font-family: var(--font-mono); font-size: 13px; line-height: 1.65; color: rgba(255,255,255,0.9); white-space: pre; }

/* ── Measures ────────────────────────────────────────────── */
.measure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.measure-chips { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.measure-chips li { font: 500 13px/1 var(--font-sans); padding: 8px 12px; border-radius: 999px; background: var(--brand-plum-mist); border: 1px solid var(--brand-plum-tint); color: var(--brand-plum-deep); }
@media (max-width: 980px) { .measure-grid { grid-template-columns: 1fr; } }

/* ── Science ─────────────────────────────────────────────── */
.science-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 72px; align-items: start; }
.science-quote { margin: 32px 0 0; padding: 24px 28px; border-left: 3px solid var(--brand-gold); background: var(--brand-plum-mist); border-radius: 0 12px 12px 0; }
.science-quote p { font-family: var(--font-serif); font-size: 22px; line-height: 1.45; letter-spacing: -0.02em; color: var(--ink-8); margin: 0 0 12px; }
.science-quote footer { font-size: 14px; color: var(--fg-secondary); }
.advisor-stack { display: grid; gap: 20px; }
.advisor-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 20px;
  align-items: start;
  background: var(--ink-0);
  border: 1px solid var(--border-hair);
  border-radius: 16px;
  padding: 24px;
}
.advisor-row img { width: 88px; height: 88px; border-radius: 12px; object-fit: cover; }
.advisor-row h3 { font: 600 18px/1.3 var(--font-sans); margin: 0 0 6px; color: var(--ink-8); }
.advisor-row p { font-size: 14px; line-height: 1.55; color: var(--fg-secondary); margin: 0; }
@media (max-width: 980px) { .science-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ── Request form ────────────────────────────────────────── */
.request-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.request-copy { position: sticky; top: 112px; }
.request-points { margin-top: 32px; }
@media (max-width: 980px) {
  .request-grid { grid-template-columns: 1fr; gap: 40px; }
  .request-copy { position: static; }
}

.form-card {
  background: var(--ink-0);
  color: var(--fg-body);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 40px);
  box-shadow: 0 24px 60px rgba(10, 5, 15, 0.35);
}
.form-title { font-family: var(--font-serif); font-weight: 400; font-size: 30px; letter-spacing: -0.03em; margin: 0 0 24px; color: var(--ink-8); }
.access-form { display: grid; gap: 20px; }
.form-group { border: 0; margin: 0; padding: 0; }
.form-group legend { padding: 0; margin-bottom: 10px; }
.form-label { font: 600 15px/1.3 var(--font-sans); color: var(--ink-8); }
.form-optional { font-weight: 400; color: var(--fg-tertiary); font-size: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-input {
  font: 400 16px/1.3 var(--font-sans);
  color: var(--ink-8);
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--ink-0);
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--brand-plum); box-shadow: 0 0 0 3px rgba(112, 75, 128, 0.15); }
.form-input:user-invalid { border-color: var(--danger); }
.form-textarea { resize: vertical; min-height: 110px; line-height: 1.45; }
.form-help { font-size: 13px; color: var(--fg-tertiary); line-height: 1.4; }

.choice-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: inline-block;
  font: 500 14px/1.2 var(--font-sans);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  color: var(--ink-7);
  transition: background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.choice:hover span { border-color: var(--brand-plum-soft); }
.choice input:checked + span { background: var(--brand-plum); border-color: var(--brand-plum); color: #fff; }
.choice input:focus-visible + span { outline: 2px solid var(--brand-plum); outline-offset: 2px; }

.product-choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .product-choice-grid { grid-template-columns: 1fr; } }
.product-choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard);
}
.product-choice:hover { border-color: var(--brand-plum-soft); }
.product-choice:has(input:checked) { border-color: var(--brand-plum); background: var(--brand-plum-mist); }
.product-choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.product-choice-box {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--border-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  margin-top: 1px;
}
.product-choice-box svg { width: 14px; height: 14px; }
.product-choice input:checked + .product-choice-box { background: var(--brand-plum); border-color: var(--brand-plum); color: #fff; }
.product-choice input:focus-visible + .product-choice-box { outline: 2px solid var(--brand-plum); outline-offset: 2px; }
.product-choice-text { display: flex; flex-direction: column; gap: 3px; }
.product-choice-text strong { font: 600 16px/1.2 var(--font-sans); color: var(--ink-8); }
.product-choice-text span { font-size: 13px; color: var(--fg-secondary); }

.check-line { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.5; color: var(--fg-body); cursor: pointer; }
.check-line input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--brand-plum); flex: 0 0 auto; }

.form-submit { width: 100%; justify-content: center; padding: 15px 22px; font-size: 16px; }
.form-submit:disabled { opacity: 0.7; cursor: progress; }
.form-error { margin: 0; color: var(--danger); font-size: 14px; }
.form-note { margin: 0; font-size: 13px; line-height: 1.5; color: var(--fg-tertiary); }
.form-note a { color: var(--brand-plum); }
.form-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form-success { text-align: center; padding: 48px 12px; outline: none; }
.form-success-mark {
  width: 56px; height: 56px; margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--brand-plum-tint);
  color: var(--brand-plum);
  display: grid; place-items: center;
}
.form-success-mark svg { width: 28px; height: 28px; }
.form-success h3 { font-family: var(--font-serif); font-weight: 400; font-size: 30px; letter-spacing: -0.03em; margin: 0 0 10px; color: var(--ink-8); }
.form-success p { color: var(--fg-secondary); margin: 0; }

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-wrap { max-width: 880px; }
.faq-list { border-top: 1px solid var(--border-hair); }
.faq-item { border-bottom: 1px solid var(--border-hair); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 40px 22px 0;
  position: relative;
  font: 600 18px/1.35 var(--font-sans);
  color: var(--ink-8);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font: 400 26px/1 var(--font-sans);
  color: var(--brand-plum);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0 0 22px; font-size: 16px; line-height: 1.6; color: var(--fg-secondary); max-width: 760px; }
.faq-item a { color: var(--brand-plum); }

/* ── Footer ──────────────────────────────────────────────── */
.research-footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid var(--border-hair); }
.research-footer-links { display: flex; flex-wrap: wrap; gap: 8px 28px; padding-top: 6px; }
.research-footer-links a { font-size: 14px; color: var(--fg-body); text-decoration: none; }
.research-footer-links a:hover { color: var(--brand-plum); }
@media (max-width: 880px) { .research-footer-inner { flex-direction: column; } }