/* ===========================================================================
   LUMEN - light editorial statement theme for the lumen layout.
   Brand colours/fonts from theme.json (--theme-*-*), aliased here, plus the
   component library, editorial motion, and layout constants.
   ========================================================================= */

:root {
  --bg:       var(--theme-colours-bg, #FBF7EF);
  --surface:  var(--theme-colours-surface, #FFFFFF);
  --surface-2:var(--theme-colours-surface-2, #F1E9DA);
  --text:     var(--theme-colours-text, #2A241E);
  --muted:    var(--theme-colours-text-muted, #6F665A);
  --heading:  var(--theme-colours-heading, #17120E);
  --accent:   var(--theme-colours-accent, #2438FF);
  --accent-2: var(--theme-colours-accent-2, #E6531D);
  --on-accent:var(--theme-colours-on-accent, #FFFFFF);
  --border:   var(--theme-colours-border, #E5DCCB);
  --font-display: var(--theme-fonts-display, 'Fraunces', Georgia, serif);
  --font-body:    var(--theme-fonts-body, 'Inter', system-ui, sans-serif);

  --max-w: 1180px;
  --pad: 112px 24px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --t: .25s var(--ease);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---- type --------------------------------------------------------------- */
.display { font-family: var(--font-display); font-weight: 600; line-height: 1.0; letter-spacing: -0.025em; color: var(--heading); font-size: clamp(3rem, 9vw, 7rem); }
.display em { font-style: italic; color: var(--accent); }
.h2 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; color: var(--heading); font-size: clamp(2rem, 5vw, 3.6rem); }
.h2 em { font-style: italic; color: var(--accent); }
.lead { font-size: clamp(1.1rem, 1.7vw, 1.4rem); color: var(--muted); line-height: 1.55; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-body); font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-2); }
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--accent-2); }

/* ---- primitives --------------------------------------------------------- */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--pad); position: relative; }
.btn { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-body); font-weight: 600; font-size: .9rem; padding: 14px 26px; border-radius: 2px; transition: transform var(--t), background var(--t), color var(--t); border: 1.5px solid var(--heading); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--heading); }
.btn-ghost:hover { background: var(--heading); color: var(--bg); transform: translateY(-2px); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.rule { height: 2px; background: var(--heading); border: 0; }

/* ---- nav ---------------------------------------------------------------- */
nav.lumen-nav { position: fixed; inset: 0 0 auto 0; z-index: 100; background: color-mix(in srgb, var(--theme-colours-bg) 82%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.lumen-nav .nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; height: 72px; display: flex; align-items: center; justify-content: space-between; }
.lumen-logo { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; letter-spacing: -.02em; color: var(--heading); }
.lumen-logo b { color: var(--accent); font-weight: 600; }
.lumen-nav .nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.lumen-nav .nav-links a { color: var(--text); font-size: .92rem; font-weight: 500; border-bottom: 2px solid transparent; padding-bottom: 2px; transition: border-color var(--t), color var(--t); }
.lumen-nav .nav-links a:hover { border-color: var(--accent); color: var(--accent); }
.lumen-nav .nav-cta { border: 1.5px solid var(--heading); padding: 8px 18px; border-radius: 2px; font-weight: 600 !important; }
.lumen-nav .nav-cta:hover { background: var(--heading); color: var(--bg) !important; border-color: var(--heading) !important; }

/* ---- hero (asymmetric editorial) --------------------------------------- */
.hero { padding: 180px 24px 90px; }
.hero .wrap { max-width: 1240px; }
.hero .kicker { display: flex; gap: 18px; align-items: baseline; margin-bottom: 26px; color: var(--muted); font-size: .85rem; }
.hero .kicker .no { font-family: var(--font-display); font-size: 1.1rem; color: var(--accent-2); }
.hero .display { max-width: 14ch; }
.hero-foot { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; margin-top: 40px; border-top: 2px solid var(--heading); padding-top: 26px; }
.hero-foot .lead { max-width: 540px; }

/* ---- marquee (serif italic) -------------------------------------------- */
.marquee { border-block: 1px solid var(--border); overflow: hidden; padding: 22px 0; background: var(--surface); }
.marquee-track { display: flex; gap: 40px; width: max-content; animation: marquee 30s linear infinite; font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: clamp(1.4rem, 3vw, 2.4rem); color: var(--heading); }
.marquee-track span { display: inline-flex; gap: 40px; align-items: center; }
.marquee-track .dot { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- features (editorial numbered grid) -------------------------------- */
.features .h2 { max-width: 16ch; margin-bottom: 56px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--heading); }
.feat { padding: 36px 28px 40px; border-bottom: 2px solid var(--heading); }
.feat + .feat { border-left: 1px solid var(--border); }
.feat .no { font-family: var(--font-display); font-size: 2.4rem; font-weight: 600; color: var(--accent); line-height: 1; margin-bottom: 18px; }
.feat h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; color: var(--heading); margin-bottom: 12px; letter-spacing: -.01em; }
.feat p { color: var(--muted); font-size: .98rem; line-height: 1.7; }

/* ---- pull quote --------------------------------------------------------- */
.quote { background: var(--surface-2); }
.quote .wrap { max-width: 980px; text-align: center; }
.quote blockquote { font-family: var(--font-display); font-weight: 500; font-style: italic; font-size: clamp(1.8rem, 4.5vw, 3.2rem); line-height: 1.22; color: var(--heading); letter-spacing: -.015em; }
.quote blockquote b { color: var(--accent); font-weight: 500; }
.quote .by { margin-top: 28px; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* ---- editorial body / drop cap ----------------------------------------- */
.essay .wrap { max-width: 740px; }
.essay .drop > p:first-of-type::first-letter { font-family: var(--font-display); font-weight: 600; float: left; font-size: 4.4rem; line-height: .8; padding: 6px 12px 0 0; color: var(--accent); }
.essay p { font-size: 1.15rem; line-height: 1.8; margin-bottom: 1.2rem; color: var(--text); }

/* ---- CTA (cobalt block) ------------------------------------------------- */
.cta { background: var(--accent); color: var(--on-accent); }
.cta .wrap { max-width: 900px; text-align: center; }
.cta .h2 { color: var(--on-accent); margin-bottom: 18px; }
.cta .lead { color: color-mix(in srgb, var(--theme-colours-on-accent) 85%, transparent); max-width: 560px; margin: 0 auto; }
.cta .btn-row { justify-content: center; }
.cta .btn-primary { background: var(--on-accent); border-color: var(--on-accent); color: var(--accent); }
.cta .btn-ghost { border-color: color-mix(in srgb, var(--theme-colours-on-accent) 60%, transparent); color: var(--on-accent); }
.cta .btn-ghost:hover { background: var(--on-accent); color: var(--accent); }

/* ---- footer ------------------------------------------------------------- */
footer.lumen-foot { background: var(--bg); border-top: 2px solid var(--heading); padding: 60px 24px 34px; }
.lumen-foot .inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.lumen-foot .logo { font-family: var(--font-display); font-size: 1.6rem; color: var(--heading); }
.lumen-foot .blurb { color: var(--muted); max-width: 320px; margin-top: 12px; font-size: .92rem; line-height: 1.7; }
.lumen-foot h4 { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 14px; }
.lumen-foot ul { list-style: none; } .lumen-foot li { margin-bottom: 9px; }
.lumen-foot a { color: var(--text); font-size: .92rem; border-bottom: 1px solid transparent; transition: border-color var(--t); }
.lumen-foot a:hover { border-color: var(--accent); }
.lumen-foot .base { max-width: var(--max-w); margin: 44px auto 0; padding-top: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: .82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---- reveal ------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---- responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  .feat-grid { grid-template-columns: 1fr; }
  .feat + .feat { border-left: 0; }
  .hero-foot { grid-template-columns: 1fr; }
  .lumen-foot .inner { grid-template-columns: 1fr; }
  :root { --pad: 80px 20px; }
  .hero { padding: 130px 20px 70px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* site chrome - navigation from nav.conf, mobile toggle, auth, page body */
.lumen-nav .nav-toggle { display: none; background: none; border: 1.5px solid var(--heading); border-radius: 2px; color: var(--heading); font-size: 1.15rem; line-height: 1; padding: 4px 12px; cursor: pointer; }
.lumen-nav .nav-links a.active { border-color: var(--accent); color: var(--accent); }
.lumen-nav .nav-links .nav-group { position: relative; }
.lumen-nav .nav-links .nav-group-label { color: var(--muted); font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; cursor: default; }
.lumen-nav .nav-links .nav-children { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: var(--surface); border: 1px solid var(--border); border-top: 2px solid var(--heading); padding: 12px 18px; list-style: none; min-width: 180px; box-shadow: 0 18px 40px -20px rgba(23,18,14,.35); }
.lumen-nav .nav-links .nav-group:hover .nav-children, .lumen-nav .nav-links .nav-group:focus-within .nav-children { display: block; }
.lumen-nav .nav-links .nav-children li { margin: 6px 0; }
.lumen-nav .nav-links .auth { display: flex; gap: 12px; }
.ls-auth { color: var(--muted); font-size: .84rem; }
.ls-auth:hover { color: var(--accent); border-color: var(--accent); }
.lumen-page { padding: 150px 24px 80px; }
.lumen-page .wrap { max-width: 760px; margin: 0 auto; }
.lumen-page .page-title { font-family: var(--font-display); font-weight: 600; line-height: 1.05; letter-spacing: -.025em; color: var(--heading); font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin-bottom: 16px; }
.lumen-page .standfirst { font-size: clamp(1.1rem, 1.7vw, 1.35rem); color: var(--muted); line-height: 1.55; margin-bottom: 30px; padding-bottom: 26px; border-bottom: 2px solid var(--heading); }
.lumen-page h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: -.02em; color: var(--heading); font-size: 1.7rem; margin: 40px 0 14px; }
.lumen-page h3 { font-family: var(--font-display); font-weight: 600; color: var(--heading); font-size: 1.25rem; margin: 30px 0 10px; }
.lumen-page p, .lumen-page li { color: var(--text); font-size: 1.08rem; line-height: 1.8; }
.lumen-page p { margin-bottom: 18px; }
.lumen-page ul, .lumen-page ol { margin: 0 0 18px 22px; }
.lumen-page a { color: var(--accent); border-bottom: 1px solid var(--accent); transition: color var(--t), border-color var(--t); }
.lumen-page a:hover { color: var(--accent-2); border-color: var(--accent-2); }
.lumen-page blockquote { font-family: var(--font-display); font-style: italic; font-size: 1.3rem; line-height: 1.45; color: var(--heading); border-left: 3px solid var(--accent); padding-left: 20px; margin: 26px 0; }
.lumen-page code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 2px; padding: 2px 6px; font-size: .9em; }
.lumen-page pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: 2px; padding: 16px 18px; overflow-x: auto; margin-bottom: 18px; }
.lumen-page pre code { background: none; border: 0; padding: 0; }
.lumen-page img { max-width: 100%; height: auto; }
.lumen-page table { border-collapse: collapse; width: 100%; margin-bottom: 20px; }
.lumen-page th, .lumen-page td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; font-size: .98rem; }
.lumen-page th { color: var(--heading); background: var(--surface-2); border-bottom: 2px solid var(--heading); }
.lumen-foot .base time { color: inherit; }
@media (max-width: 900px) {
  .lumen-nav .nav-toggle { display: block; }
  .lumen-nav .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--surface); border-bottom: 2px solid var(--heading); flex-direction: column; align-items: flex-start; padding: 18px 24px; gap: 14px; margin: 0; }
  body.nav-open .lumen-nav .nav-links { display: flex; }
  .lumen-nav .nav-links .nav-children { display: block; position: static; transform: none; border: 0; box-shadow: none; background: transparent; min-width: 0; padding: 6px 0 0 16px; }
  .lumen-page { padding: 120px 20px 60px; }
}