/* ---------- Tokens ---------- */
/* Warm charcoal base, turquoise accent, deep purple for "wisdom" moments. The supporting colours come from the
   original logo's dots: orchid, lilac and blue lead up to turquoise. */
:root {
  color-scheme: dark;
  --bg: #181513;           /* warm charcoal */
  --bg-alt: #201c19;
  --surface: #29231f;
  --ink: #110e0d;          /* warm near-black */
  --ink-text: #f6f0e9;
  --text: #efe8e0;
  --muted: #b0a69c;
  --accent: #23e0e7;       /* turquoise */
  --accent-text: #110e0d;
  --border: #3a322c;
  --purple: #2f114b;
  --purple-deep: #1c0a2e;
  --orchid: #cd63bf;
  --lilac: #9678a5;
  --blue: #4f86ba;
  --radius: 14px;
  --max: 1140px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 16px; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.6vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.3rem; }
h4 { font-family: var(--sans); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
h3 a { color: inherit; text-decoration: none; }
h3 a:hover { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap, .wrap-narrow { padding: 0 32px; } }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 20; }

.eyebrow { color: var(--accent); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 14px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 58ch; margin: 0 0 28px; }
.arrow { font-weight: 600; text-decoration: none; }
.arrow::after { content: " →"; }

/* ---------- Buttons ---------- */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 999px; font: 600 1rem var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, opacity .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: var(--ink-text); }
.btn-light { background: var(--accent); color: var(--accent-text); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; flex-wrap: wrap; }
.brand { font: 700 1.3rem var(--serif); color: var(--text); text-decoration: none; margin: 0; display: inline-flex; align-items: center; gap: 10px; }
.brand .signature { height: 56px; width: auto; display: block; margin: 4px 0; }
.site-footer .brand .signature-lg { height: 96px; margin: 0 0 8px; }
.brand .mark { width: 30px; height: 30px; filter: drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 45%, transparent)); }
.site-header nav { display: flex; align-items: center; gap: 22px; }
.site-header nav a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; }
.site-header nav a:not(.btn):hover, .site-header nav a[aria-current] { color: var(--text); }
.nav-toggle, .nav-burger { display: none; }
@media (max-width: 860px) {
  .nav-burger { display: block; width: 44px; height: 44px; cursor: pointer; position: relative; }
  .nav-burger span, .nav-burger span::before, .nav-burger span::after { position: absolute; left: 10px; width: 24px; height: 2px; background: var(--text); content: ""; }
  .nav-burger span { top: 21px; }
  .nav-burger span::before { left: 0; top: -7px; }
  .nav-burger span::after { left: 0; top: 7px; }
  .site-header nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 14px; padding: 8px 0 20px; }
  .nav-toggle:checked ~ nav { display: flex; }
}

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: var(--ink-text); }
.hero-inner { display: grid; gap: 40px; padding-top: 72px; padding-bottom: 72px; align-items: center; }
@media (min-width: 900px) { .hero-inner { grid-template-columns: 1.25fr 1fr; padding-top: 110px; padding-bottom: 110px; } }
.hero h1 { max-width: 16ch; }
.hero .lede { color: color-mix(in srgb, var(--ink-text) 72%, transparent); }
.hero-media img { border-radius: var(--radius); }
.photo-placeholder { aspect-ratio: 4 / 5; border-radius: var(--radius); border: 2px dashed rgba(127,127,127,.4); display: grid; place-items: center; text-align: center; color: var(--muted); padding: 24px; }
.hero .photo-placeholder { color: rgba(255,255,255,.5); }

/* Signature quote hero */
.hero-quote { position: relative; min-height: calc(100vh - 68px); min-height: calc(100svh - 68px); display: grid; align-items: end; padding: 64px 0 48px; text-align: center;
  background: linear-gradient(180deg, rgba(17,14,13,0) 0%, rgba(17,14,13,0) 34%, rgba(17,14,13,.9) 54%, var(--ink) 62%), var(--hero-img) 40% 0 / auto 60% no-repeat, var(--ink); }
@media (min-width: 900px) {
  .hero-quote { align-items: center; text-align: left; background: linear-gradient(90deg, rgba(17,14,13,0) 0%, rgba(17,14,13,.25) 38%, rgba(17,14,13,.88) 58%, rgba(17,14,13,.97) 100%), var(--hero-img) left center / cover no-repeat, var(--ink); }
  .hero-quote .wrap { width: 100%; display: grid; justify-items: end; }
  .hero-quote .signature-quote, .hero-quote .scroll-cue { width: min(560px, 48%); margin: 0; }
  .hero-quote .signature-quote p { margin: 0; font-size: clamp(2.4rem, 4.2vw, 4rem); max-width: 14ch; }
}
.signature-quote { margin: 0 auto; }
.signature-quote blockquote { margin: 0; }
.signature-quote p { font-family: var(--serif); font-weight: 600; font-size: clamp(2.3rem, 7vw, 5.4rem); line-height: 1.08; letter-spacing: -.02em; margin: 0 auto; max-width: 17ch; text-wrap: balance; }
.signature-quote p::before { content: "\201C"; display: block; color: var(--accent); font-size: 1.6em; line-height: .6; margin-bottom: .15em; }
.signature-quote figcaption { margin-top: 32px; color: var(--accent); font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .14em; }
.signature-quote figcaption::before { content: "— "; }
.scroll-cue { display: inline-block; margin-top: 56px; color: color-mix(in srgb, var(--ink-text) 60%, transparent); text-decoration: none; font-size: .9rem; }
.scroll-cue:hover { color: var(--ink-text); }
.intro { border-bottom: 1px solid var(--border); }
.intro h1 { max-width: 16ch; }

.page-hero { padding: 80px 0 56px; border-bottom: 1px solid var(--border); }
.page-hero h1 { max-width: 20ch; }

/* ---------- Logos ---------- */
.logos { border-bottom: 1px solid var(--border); padding: 28px 0; }
.logos .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; }
.logos-label { margin: 0; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.logos ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 32px; }
.logos li { font-family: var(--serif); font-size: 1.1rem; color: var(--muted); }

/* ---------- Sections & cards ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 32px; }
.section-head.row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.grid-2 { display: grid; gap: 32px; }
@media (min-width: 860px) { .grid-2 { grid-template-columns: 1fr 1.6fr; gap: 56px; } }
.cards { display: grid; gap: 20px; margin-bottom: 28px; }
@media (min-width: 760px) { .cards { grid-template-columns: repeat(3, 1fr); } .cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards-4 { grid-template-columns: repeat(4, 1fr); } }
.card, .post-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin: 0; }
.card p:last-child, .post-card p:last-child { margin-bottom: 0; }
.hook { font-weight: 500; }
.quote { border-top: 3px solid var(--orchid); }
.quote blockquote::before { content: "\201C"; display: block; color: var(--orchid); font-size: 2.6rem; line-height: .7; margin-bottom: 6px; }
.quote figcaption strong { color: var(--orchid); }
.quote blockquote { margin: 0 0 20px; font-family: var(--serif); font-size: 1.15rem; line-height: 1.5; }
.meta { font-size: .85rem; color: var(--muted); margin: 0 0 10px; }
.meta a { color: inherit; }

/* Keynote detail */
.keynote-list { display: grid; gap: 24px; }
.keynote { display: grid; gap: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; scroll-margin-top: 90px; }
@media (min-width: 860px) { .keynote { grid-template-columns: 1.6fr 1fr; } }
.takeaways { background: var(--bg-alt); border-radius: 10px; padding: 24px; }
.takeaways ul { margin: 0; padding-left: 20px; }
.takeaways li + li { margin-top: 8px; }

/* FAQ */
.faqs details { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faqs summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faqs p { margin: 12px 0 0; color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--purple-deep), var(--purple)); color: var(--ink-text); padding: 64px 0; }
.cta-band-inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.cta-band h2 { max-width: 22ch; margin-bottom: 8px; }
.cta-band p { margin: 0; color: color-mix(in srgb, var(--ink-text) 70%, transparent); }

/* Portfolio */
.portfolio { list-style: none; margin: 0; padding: 0; }
.portfolio-item { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--border); align-items: start; }
.portfolio-item h3 { margin-bottom: 4px; }
.portfolio-item p { margin: 0; }
.tag { display: inline-block; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); padding-top: 6px; }
.chip-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px; }

/* Prose / posts */
.prose { max-width: 68ch; }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; }
.prose h2 { font-size: 1.7rem; margin-top: 40px; }
.prose img { border-radius: 10px; margin: 24px 0; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 24px 0; padding: 4px 0 4px 20px; font-family: var(--serif); font-size: 1.2rem; }
.post { padding-top: 64px; padding-bottom: 64px; }
.post-header { margin-bottom: 36px; }
.post-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); }
.bio-box { background: var(--bg-alt); border-radius: 10px; padding: 20px; }
.video { position: relative; aspect-ratio: 16 / 9; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: var(--radius); }

/* Form */
.form { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.field-row { display: grid; gap: 16px; }
@media (min-width: 600px) { .field-row { grid-template-columns: 1fr 1fr; } }
.form label { display: grid; gap: 6px; font-weight: 500; font-size: .92rem; }
.form input, .form select, .form textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 11px 12px; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form .btn { justify-self: start; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 24px; }
.footer-grid { display: grid; gap: 28px; margin-bottom: 24px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer nav { display: grid; gap: 8px; }
.site-footer nav a, .socials a { color: var(--muted); text-decoration: none; }
.site-footer nav a:hover, .socials a:hover { color: var(--text); }
.socials { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; align-content: start; }
.site-footer nav { align-content: start; }

/* Four-dot motif from the logo, ending in turquoise */
.dots { display: inline-flex; gap: 22px; align-items: center; position: relative; }
.dots::before { content: ""; position: absolute; left: 4px; right: 6px; top: 50%; height: 1px; background: linear-gradient(90deg, var(--orchid), var(--lilac), var(--blue), var(--accent)); opacity: .7; }
.dots i { position: relative; }
.dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: var(--orchid); }
.dots i:nth-child(2) { background: var(--lilac); }
.dots i:nth-child(3) { background: var(--blue); }
.dots i:nth-child(4) { background: var(--accent); width: 14px; height: 14px; box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 60%, transparent); }
.signature-quote .dots { margin-top: 36px; }
.site-footer .dots { margin-top: 14px; }

/* Section connector: people (dots) linked by a line */
.connector { display: flex; justify-content: center; align-items: center; gap: 18px; padding: 8px 16px; }
.connector::before, .connector::after { content: ""; height: 1px; flex: 1; max-width: 220px; }
.connector::before { background: linear-gradient(90deg, transparent, var(--border)); }
.connector::after { background: linear-gradient(90deg, var(--border), transparent); }
.about-photo img, .rounded { border-radius: var(--radius); }

/* Soldier Boy story */
.soldier { display: grid; gap: 32px; align-items: center; }
@media (min-width: 860px) { .soldier { grid-template-columns: 1.2fr 1fr; gap: 56px; } }
.soldier img { border-radius: var(--radius); }
.speaker-hero { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .speaker-hero { grid-template-columns: 1.5fr 1fr; } }
.speaker-hero img { border-radius: var(--radius); }
.site-footer .brand { display: block; }

/* Augmented Understanding series */
.proposition { margin: 32px 0 40px; align-items: start; }
.proposition-list { list-style: none; margin: 0; padding: 24px 28px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; font-family: var(--serif); font-size: 1.15rem; line-height: 1.5; }
.proposition-list li:not(.first)::before { content: "≠ "; color: var(--accent); }
.proposition-list li.first { font-weight: 600; }
.takeaways p { margin: 0 0 14px; }
.takeaways h4 { margin-bottom: 4px; }
.edu { margin-top: 32px; }
.edu h3 { margin-bottom: 8px; }
.video video { position: absolute; inset: 0; width: 100%; height: 100%; border-radius: var(--radius); background: #000; }
.form-status { margin: 0; color: var(--muted); font-size: .92rem; }
.form-status:empty { display: none; }
.series-sub { font-weight: 600; color: var(--accent); margin: -8px 0 12px; }

/* Two equal keynote tracks */
.tracks { display: grid; gap: 24px; }
@media (min-width: 900px) { .tracks { grid-template-columns: 1fr 1fr; } }
.track { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; }
.track h3 { font-size: 1.5rem; margin-bottom: 6px; }
.track-list { list-style: none; padding: 0; margin: 8px 0 28px; flex: 1; }
.track-list li { padding: 12px 0; border-bottom: 1px solid var(--border); }
.track-list li:last-child { border-bottom: 0; }
.track-list a { display: block; font-family: var(--serif); font-weight: 600; font-size: 1.08rem; color: var(--text); text-decoration: none; }
.track-list a:hover { color: var(--accent); }
.track-list span { display: block; color: var(--muted); font-size: .92rem; margin-top: 2px; }
.track .btn { align-self: flex-start; }
.lede + .lede-2 { margin-top: -12px; }