/* The Foundations Training — standalone cohort landing page.
   Built on the ARC brand tokens (brand.css). Self-contained component set;
   does not depend on subpage.css. Single warm reading-led marketing page. */

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; }

.arc-page.training { min-height: 100vh; padding: 0; }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  font-family: var(--font-sans); font-size: 13px; color: var(--ink);
  background: var(--bg-page); border: 1px solid var(--rule-strong);
  padding: 10px 18px;
}
.skip-link:focus-visible { left: 12px; top: 12px; }

/* ───── Minimal standalone header (unlisted: brand + book) ───── */
.train-nav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.train-nav-inner {
  max-width: 60rem; margin: 0 auto; padding: 15px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.train-nav .brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 400;
  letter-spacing: 0.26em; text-transform: uppercase; color: var(--ink);
  text-decoration: none; border-bottom: none; white-space: nowrap;
}
.train-nav .brand:hover, .train-nav .brand:focus { border-bottom: none; }
.train-nav .brand svg { display: block; flex-shrink: 0; }
.train-nav .nav-book {
  font-family: var(--font-sans); font-size: 13px; color: var(--accent);
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 35%, transparent);
  white-space: nowrap; transition: border-color 0.2s ease;
}
.train-nav .nav-book:hover { border-bottom-color: var(--accent); }
@media (max-width: 420px) {
  .train-nav-inner { padding: 13px 20px; }
  .train-nav .brand span { display: none; }
}

/* ───── Shared reading column ───── */
.wrap { max-width: 40rem; margin: 0 auto; padding-left: 28px; padding-right: 28px; }
.wrap-narrow { max-width: 36rem; margin: 0 auto; padding-left: 28px; padding-right: 28px; }

.eyebrow {
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: var(--accent); }

.training .sec-title {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: clamp(26px, 2.8vw, 32px); line-height: 1.2; letter-spacing: -0.005em;
  color: var(--ink); margin: 0 0 26px; text-wrap: balance;
}
.prose p {
  font-size: 17px; line-height: 1.75; color: var(--ink-soft);
  margin: 0 0 24px; text-wrap: pretty;
}
.prose p:last-child { margin-bottom: 0; }
.prose strong { font-weight: 500; color: var(--ink); }
.prose em { font-style: italic; color: var(--ink-soft); }
@media (max-width: 640px) { .prose p { font-size: 16px; line-height: 1.75; } }

/* ───── Hero ───── */
.hero { padding: 92px 0 8px; text-align: center; }
@media (min-width: 720px) { .hero { padding: 116px 0 8px; } }
.hero .hero-mark { display: block; margin: 0 auto 30px; }
.hero .eyebrow { margin-bottom: 30px; }
.hero h1 {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: clamp(42px, 6.4vw, 72px); line-height: 1.04; letter-spacing: -0.015em;
  color: var(--ink); margin: 0 0 28px; text-wrap: balance;
}
.hero .subhead {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(20px, 2.3vw, 25px); line-height: 1.5; color: var(--ink-soft);
  letter-spacing: 0.004em; margin: 0 auto; max-width: 30rem; text-wrap: pretty;
}
.cta-actions {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  margin-top: 44px;
}

/* ───── Buttons ───── */
.arc-page .book-button {
  display: inline-block; font-family: var(--font-sans); font-size: 14px;
  font-weight: 500; letter-spacing: 0.03em; color: #FBF6EC;
  background: var(--ink); padding: 16px 34px; border: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  border-radius: 28px; white-space: nowrap; cursor: pointer; text-align: center;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.arc-page .book-button:hover { opacity: 0.86; border-bottom-color: var(--ink); }
.arc-page .book-button:active { transform: scale(0.99); }
.arc-page .link-quiet {
  font-family: var(--font-display); font-style: italic; font-size: 17px;
  color: var(--accent);
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 30%, transparent);
  padding: 2px 0; transition: border-color 0.2s ease;
}
.arc-page .link-quiet:hover { border-bottom-color: var(--accent); }

/* ───── Threshold divider ───── */
.threshold {
  display: flex; justify-content: center; align-items: center; gap: 16px;
  margin: 56px 0 56px; color: var(--accent);
}
.threshold::before, .threshold::after {
  content: ""; flex: 0 0 80px; height: 1px;
  background: color-mix(in oklab, var(--accent) 40%, transparent);
}
.threshold .glyph { display: flex; align-items: center; gap: 8px; }
.threshold .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.7; }
.threshold .dot.middle { width: 7px; height: 7px; opacity: 1; }

/* ───── Generic section spacing — one uniform rhythm ───── */
.section { margin-top: 76px; }
.section.lead { margin-top: 0; }

/* ───── The specifics — facts panel ───── */
.facts {
  margin: 0; padding: 8px 32px; background: var(--bg-page);
  border: 1px solid var(--rule); border-radius: 4px;
}
.facts dl { margin: 0; }
.facts .row {
  display: grid; grid-template-columns: 168px 1fr; gap: 24px;
  padding: 20px 0; border-top: 1px solid var(--rule); align-items: baseline;
}
.facts .row:first-child { border-top: none; }
.facts dt {
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent);
}
.facts dd {
  margin: 0; font-size: 16px; line-height: 1.6; color: var(--ink); text-wrap: pretty;
}
.facts dd strong { font-weight: 500; }
@media (max-width: 560px) {
  .facts { padding: 4px 22px; }
  .facts .row { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
}

/* ───── Weekly rhythm — three touchpoints ───── */
.touchpoints { list-style: none; margin: 36px 0 0; padding: 0; display: flex; flex-direction: column; gap: 30px; }
.touchpoints li {
  display: grid; grid-template-columns: 38px 1fr; gap: 22px; align-items: start;
}
.touchpoints .num {
  font-family: var(--font-display); font-style: italic; font-size: 24px;
  color: var(--accent); line-height: 1.3; text-align: right;
}
.touchpoints .tp-body { }
.touchpoints .tp-title {
  font-family: var(--font-display); font-style: italic; font-size: 20px;
  line-height: 1.3; color: var(--ink); margin: 0 0 8px;
}
.touchpoints .tp-desc { font-size: 16px; line-height: 1.75; color: var(--ink-soft); margin: 0; text-wrap: pretty; }
.touchpoints .tp-desc strong { color: var(--ink); font-weight: 500; }
.training .rhythm-note {
  margin: 30px 0 0; padding-left: 60px;
  font-family: var(--font-display); font-style: italic; font-size: 17px;
  line-height: 1.6; color: var(--ink-soft); text-wrap: pretty;
}
@media (max-width: 560px) { .training .rhythm-note { padding-left: 42px; } }
@media (max-width: 560px) {
  .touchpoints li { grid-template-columns: 28px 1fr; gap: 14px; }
}

/* ───── Who this is for ───── */
.audience { list-style: none; margin: 26px 0 0; padding: 0; }
.audience li {
  padding: 24px 0; border-top: 1px solid var(--rule);
  font-size: 16px; line-height: 1.75; color: var(--ink-soft); text-wrap: pretty;
}
.audience li:last-child { border-bottom: 1px solid var(--rule); }
.audience .who { color: var(--ink); font-weight: 500; }

/* ───── Why this way — the heart, set apart ───── */
.why { margin-top: 84px; padding: 84px 28px; background: var(--bg-deep); }
.why .why-inner { max-width: 38rem; margin: 0 auto; }
.why .eyebrow { margin-bottom: 30px; }
.why .why-prose p {
  font-family: var(--font-display); font-style: italic;
  font-size: 19px; line-height: 1.7; color: var(--ink);
  margin: 0 0 24px; text-wrap: pretty; letter-spacing: 0.004em;
}
.why .why-prose p:last-child { margin-bottom: 0; }
.why .why-prose strong { font-weight: 500; }
@media (max-width: 640px) {
  .why { padding: 60px 22px; }
  .why .why-prose p { font-size: 18px; }
}

/* ───── What this isn't ───── */
.isnt { list-style: none; margin: 26px 0 0; padding: 0; }
.isnt li {
  padding: 22px 0; border-top: 1px solid var(--rule);
  font-size: 16px; line-height: 1.75; color: var(--ink-soft); text-wrap: pretty;
}
.isnt li:last-child { border-bottom: 1px solid var(--rule); }
.isnt .no { color: var(--ink); font-weight: 500; }

/* ───── Investment — a quiet call-out panel (echoes the facts box) ───── */
.invest-callout {
  background: var(--bg-page); border: 1px solid var(--rule);
  border-radius: 4px; padding: 34px 36px;
}
.invest-callout .eyebrow { margin-bottom: 16px; }
.training .invest-figure {
  font-family: var(--font-display); font-style: normal; font-weight: 400;
  font-size: clamp(34px, 4vw, 44px); line-height: 1.05;
  letter-spacing: -0.01em; color: var(--ink); margin: 0 0 14px;
}
.training .invest-note {
  font-family: var(--font-sans); font-size: 15px; line-height: 1.7;
  color: var(--ink-soft); margin: 0; text-wrap: pretty;
}
@media (max-width: 560px) { .invest-callout { padding: 26px 24px; } }

/* ───── FAQ ───── */
.faq { margin: 26px 0 0; border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 36px 22px 0; position: relative;
  font-family: var(--font-display); font-style: italic; font-size: 19px;
  line-height: 1.4; color: var(--ink); text-wrap: pretty;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 20px;
  font-family: var(--font-sans); font-size: 20px; font-weight: 300; color: var(--accent);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq .faq-a {
  font-size: 16px; line-height: 1.75; color: var(--ink-soft);
  padding: 0 36px 24px 0; margin: 0; text-wrap: pretty;
}
.faq summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ───── Closing CTA ───── */
.closing {
  margin-top: 84px; padding: 92px 28px 80px; background: var(--bg-page);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  text-align: center;
}
.closing .eyebrow { margin-bottom: 26px; }
.closing h2 {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: clamp(30px, 3.6vw, 42px); line-height: 1.2; color: var(--ink);
  margin: 0 0 20px; text-wrap: balance;
}
.closing .closing-body {
  font-size: 16px; line-height: 1.75; color: var(--ink-soft);
  margin: 0 auto 40px; max-width: 34rem; text-wrap: pretty;
}
.closing .arc-line {
  margin: 52px auto 0; max-width: 38rem; padding-top: 32px;
  border-top: 1px solid var(--rule);
  font-size: 14px; line-height: 1.7; color: var(--ink-mute); text-wrap: pretty;
}
.closing .arc-line a { color: var(--accent); border-bottom: 1px solid color-mix(in oklab, var(--accent) 30%, transparent); }
.closing .arc-line a:hover { border-bottom-color: var(--accent); }

/* ───── Footer ───── */
.site-foot { padding: 72px 28px 56px; text-align: center; color: var(--ink-mute); }
.site-foot svg { display: block; margin: 0 auto; }
.site-foot .wordmark {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: 0.32em;
  color: var(--ink-mute); margin: 20px 0 8px;
}
.site-foot .note { font-size: 12px; color: var(--ink-faint); }

/* ───── Why-this-way signature (letter close) ───── */
.why .why-sign { margin-top: 40px; }
.why .why-sign .signoff {
  font-family: var(--font-display); font-style: italic; font-size: 19px;
  color: var(--ink-soft); margin: 0 0 2px;
}
.why .why-sign .name {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: 19px; line-height: 1.3; color: var(--ink-soft); margin: 0;
}
.why .why-sign .role {
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute);
  margin: 12px 0 0;
}

/* ───── Led by — portrait + bio ───── */
.ledby { margin-top: 76px; }
.ledby .eyebrow { margin-bottom: 26px; }
.ledby-inner {
  display: grid; grid-template-columns: 188px 1fr; gap: 40px; align-items: start;
}
.ledby image-slot,
.ledby .portrait {
  width: 188px; height: 232px; display: block;
  --is-radius: 4px; --is-bg: var(--bg-deep); --is-border: var(--rule-strong);
}
.ledby .portrait {
  object-fit: cover; border-radius: 4px;
  border: 1px solid var(--rule-strong); background: var(--bg-deep);
}
.ledby .bio-name {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: 25px; line-height: 1.15; color: var(--ink); margin: 0 0 6px;
}
.ledby .bio-kicker {
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute);
  margin: 0 0 18px;
}
.ledby .bio p {
  font-size: 16px; line-height: 1.8; color: var(--ink-soft);
  margin: 0 0 16px; text-wrap: pretty;
}
.ledby .bio p:last-child { margin-bottom: 0; }
.ledby .bio strong { color: var(--ink); font-weight: 500; }
@media (max-width: 600px) {
  .ledby-inner { grid-template-columns: 1fr; gap: 26px; justify-items: start; }
  .ledby image-slot, .ledby .portrait { width: 160px; height: 200px; }
}

/* Focus visibility */
.training a:focus-visible, .training button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px;
}