/* ============================================================
   darby.ca — single stylesheet
   Hand-authored, mobile-first. No build step, no dependencies.
   Sections: 1 Fonts · 2 Tokens · 3 Base · 4 Layout · 5 Nav
   6 Buttons · 7 Typography helpers · 8 Components · 9 Footer
   10 Responsive (tablet ≥720px, desktop ≥1024px)
   ============================================================ */

/* ---------- 1. FONTS (self-hosted, subset to weights used) ---------- */
@font-face{font-family:'Newsreader';font-style:normal;font-weight:400;font-display:swap;
  src:url('/fonts/newsreader-latin-400-normal.woff2') format('woff2');}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:400;font-display:swap;
  src:url('/fonts/newsreader-latin-400-italic.woff2') format('woff2');}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:500;font-display:swap;
  src:url('/fonts/newsreader-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:400;font-display:swap;
  src:url('/fonts/public-sans-latin-400-normal.woff2') format('woff2');}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:500;font-display:swap;
  src:url('/fonts/public-sans-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:600;font-display:swap;
  src:url('/fonts/public-sans-latin-600-normal.woff2') format('woff2');}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:700;font-display:swap;
  src:url('/fonts/public-sans-latin-700-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;
  src:url('/fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2');}

/* ---------- 2. TOKENS ---------- */
:root{
  /* surfaces */
  --cream:#f3eee4;        /* page background */
  --cream-band:#ece4d5;   /* alt section band */
  --card:#fbf9f3;         /* card surface */
  --white:#ffffff;        /* feature card / logo tile */
  /* dark surfaces */
  --dark:#1f2a25;         /* primary dark green */
  --footer-bg:#181f1b;    /* footer */
  --track:#16201c;        /* growth-bar track */
  --divider-dark:#2c3a32; /* divider on dark */
  /* accent + borders */
  --accent:#2e5a48;       /* links, buttons, eyebrows */
  --mint:#9ec7a8;         /* accent on dark */
  --border:#e2d9c8;       /* border on light */
  --card-border:#e6ddcd;  /* card border */
  /* text on light */
  --ink:#1f1d18;          /* primary heading */
  --ink-warm:#2b2820;     /* body heading (dark warm) */
  --body:#574f44;         /* body text */
  --body-alt:#3c372e;     /* body text, higher contrast */
  --muted:#6e675c;        /* muted / nav / captions */
  --meta:#8a8070;         /* meta labels / dates */
  /* text on dark */
  --on-dark:#f3eee4;
  --sage:#a9b6ac;         /* muted on dark */
  --sage-soft:#bcc7bd;
  --footer-body:#8ea08f;
  --footer-label:#6f8475;
  --footer-link:#cdd6cf;
  /* type */
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Public Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  /* radii */
  --r-pill:50px; --r-lg:20px; --r-md:18px; --r-tile:16px; --r-bar:12px;
  /* layout */
  --maxw:1280px;
  --pad:24px;     /* side padding, mobile */
}

/* ---------- 3. BASE ---------- */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--sans);background:var(--cream);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-0.02em;
  color:var(--ink);line-height:1.1;}
strong{font-weight:600;}
::selection{background:var(--mint);color:var(--dark);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px;}

/* ---------- 4. LAYOUT ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.section{padding:56px 0;}
.section--tight{padding:40px 0;}
.section--band{background:var(--cream-band);border-top:1px solid var(--border);}
.section--card-band{background:var(--card);border-top:1px solid var(--border);}
.section--rule{border-top:1px solid var(--border);}
.section--dark{background:var(--dark);color:var(--on-dark);}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--on-dark);}

/* two-column splits (mobile = single column, text first) */
.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.split--top{align-items:start;}
/* Hero splits: top-align text with the image (not vertically centered) */
.home-hero .split,.page-hero .split{align-items:start;}

/* card grids */
.cards{display:grid;grid-template-columns:1fr;gap:20px;}

/* ---------- 5. NAV ---------- */
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);gap:16px;}
.wordmark{font-family:var(--serif);font-weight:500;font-size:21px;letter-spacing:-0.01em;
  color:var(--ink);white-space:nowrap;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-menu{display:flex;align-items:center;gap:30px;}
.nav-menu a{font-size:14px;font-weight:500;color:var(--muted);}
.nav-menu a:hover{color:var(--ink);}
.nav-menu a.active{color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:3px;}
.nav-pill{padding:11px 20px;font-size:14px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;
  align-items:center;justify-content:center;color:var(--ink);}
.nav-toggle svg{width:24px;height:24px;}
.nav-toggle .icon-close{display:none;}
.nav.is-open .nav-toggle .icon-open{display:none;}
.nav.is-open .nav-toggle .icon-close{display:block;}

/* ---------- 6. BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:15px;font-weight:600;line-height:1;
  padding:15px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  min-height:44px;transition:opacity .15s ease;white-space:nowrap;}
.btn:hover{opacity:.88;}
.btn--primary{background:var(--accent);color:var(--on-dark);}
.btn--light{background:var(--cream);color:var(--dark);}
.btn--compact{padding:11px 20px;font-size:14px;min-height:0;}

/* text link with rule (read more, etc.) */
.tlink{display:inline-block;font-size:14px;font-weight:600;color:var(--accent);
  border-bottom:1px solid #b8cdbf;padding-bottom:3px;}
.tlink:hover{border-bottom-color:var(--accent);}
.tlink--mint{color:var(--mint);border-bottom-color:#44604f;}

/* ---------- 7. TYPOGRAPHY HELPERS ---------- */
.eyebrow{display:block;font-family:var(--sans);font-size:13px;font-weight:600;
  letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;}
.eyebrow--mint{color:var(--mint);}
.mono{font-family:var(--mono);}
.meta{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--meta);}

.hero-title{font-size:clamp(2.375rem,7vw,4.625rem);line-height:1.03;letter-spacing:-0.02em;
  text-wrap:balance;}
.hero-title--work{font-size:clamp(2.125rem,6vw,4.125rem);line-height:1.04;}
.display{font-size:clamp(2.125rem,5.5vw,3.75rem);line-height:1.1;letter-spacing:-0.02em;
  text-wrap:balance;}
.h2{font-size:clamp(1.875rem,4vw,2.5rem);line-height:1.12;letter-spacing:-0.02em;}
.h2--flagship{font-size:clamp(1.875rem,4.2vw,2.75rem);}
.h3{font-size:clamp(1.625rem,3.4vw,2.375rem);line-height:1.2;letter-spacing:-0.02em;}
.lead{font-size:clamp(1.0625rem,1.8vw,1.3125rem);line-height:1.65;color:var(--body);}
.statement{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,3vw,1.9375rem);
  line-height:1.4;letter-spacing:-0.01em;color:var(--ink-warm);}
.quote{font-family:var(--serif);font-weight:400;font-size:clamp(1.375rem,2.6vw,2.0625rem);
  line-height:1.45;letter-spacing:-0.01em;}
.prose{font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.7;color:var(--body);}
.prose--alt{color:var(--body-alt);}
.prose + .prose{margin-top:18px;}

/* ---------- 8. COMPONENTS ---------- */

/* page hero (Work / About / Thinking lead) */
.page-hero{padding-top:48px;padding-bottom:32px;}
.page-hero .lead,.page-hero .statement{margin-top:24px;max-width:74ch;}

/* HOME hero */
.home-hero{padding:48px 0 56px;}
.home-hero .lead{margin-top:24px;max-width:50ch;}
.home-hero .cta-row{margin-top:32px;}
.hero-portrait{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 16%;
  border-radius:var(--r-lg);box-shadow:0 28px 56px -28px rgba(31,29,24,0.5);}

/* metric strip */
.metrics{display:grid;grid-template-columns:1fr;background:var(--dark);color:var(--on-dark);}
.metric{padding:34px var(--pad);border-bottom:1px solid var(--divider-dark);}
.metrics .metric:last-child{border-bottom:none;}
.metric-num{font-family:var(--serif);font-size:clamp(2.75rem,9vw,3.5rem);line-height:1;}
.metric-num--mint{color:var(--mint);}
.metric-label{font-size:13px;color:var(--sage);margin-top:10px;}

/* offering / article cards */
.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-md);
  padding:32px;color:var(--ink);}
.card-title{font-family:var(--serif);font-size:clamp(1.375rem,2.2vw,1.5625rem);line-height:1.25;
  margin-bottom:14px;color:var(--ink);}
.card p{font-size:16px;line-height:1.6;color:var(--muted);}
.card .tlink{margin-top:24px;}
a.card{display:flex;flex-direction:column;}
a.card:hover{border-color:#d9cdb6;}
.card .read{margin-top:auto;padding-top:22px;font-size:14px;font-weight:600;color:var(--accent);}
.card .meta{margin-bottom:0;}

/* section heading block with optional right link */
.head-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:36px;}
.head-block{margin-bottom:36px;}
.head-block .h2,.head-block .h3{margin-top:0;}
.head-sub{font-size:17px;color:var(--muted);margin-top:12px;}

/* proof block (dark, image) */
.proof{background:var(--dark);color:var(--on-dark);border-radius:var(--r-lg);overflow:hidden;
  display:grid;grid-template-columns:1fr;}
.proof-body{padding:44px 28px;}
.proof-img{width:100%;height:100%;min-height:280px;object-fit:cover;object-position:center 30%;}
.attrib{display:flex;align-items:center;gap:12px;margin-top:28px;}
.avatar{flex:none;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:16px;background:var(--mint);color:var(--dark);}
.avatar--accent{background:var(--accent);color:var(--on-dark);font-weight:600;}
.avatar--sm{width:38px;height:38px;font-size:14px;}
.attrib-text{font-size:15px;line-height:1.45;}

/* dark inset quote card (Work AI testimonial) */
.quote-card{background:var(--dark);color:var(--on-dark);border-radius:var(--r-md);
  padding:36px 28px;margin-top:32px;}
.quote-card .attrib-text{color:var(--sage-soft);}
.quote-card .attrib-text strong{color:var(--on-dark);}

/* testimonials */
.tcard{background:var(--white);border:1px solid var(--card-border);border-radius:22px;
  padding:36px 28px;margin-bottom:20px;color:var(--ink-warm);}
.tcard .meta{color:var(--accent);font-weight:600;letter-spacing:0.12em;margin-bottom:18px;}
.tgrid{display:grid;grid-template-columns:1fr;gap:20px;}
.tgrid .card p{font-family:var(--serif);font-size:clamp(1.1875rem,1.8vw,1.3125rem);
  line-height:1.5;color:var(--ink-warm);}
.tgrid .attrib-text{color:var(--body);}
.tgrid .attrib-text strong{color:var(--ink);}
.tgrid .attrib-text span{color:var(--meta);font-size:13px;}

/* flagship: growth bar + counters */
.growth{margin-top:44px;}
.growth-labels{display:flex;justify-content:space-between;align-items:baseline;
  font-family:var(--mono);font-size:13px;color:var(--sage);letter-spacing:0.04em;}
.growth-bar{position:relative;height:60px;margin-top:14px;border-radius:var(--r-bar);
  background:var(--track);overflow:hidden;border:1px solid var(--divider-dark);}
.growth-fill{position:absolute;top:0;bottom:0;left:0;width:0;
  background:linear-gradient(90deg,#3a6b54,#9ec7a8);
  transition:width 1.7s cubic-bezier(.22,.61,.36,1);}
.growth-bar .lo{position:absolute;left:18px;top:0;bottom:0;display:flex;align-items:center;
  font-family:var(--serif);font-size:21px;color:var(--on-dark);z-index:2;}
.growth-bar .hi{position:absolute;right:18px;top:0;bottom:0;display:flex;align-items:center;
  font-family:var(--serif);font-size:24px;font-weight:500;color:#10231a;z-index:2;}
.counters{display:grid;grid-template-columns:1fr;gap:28px;margin-top:44px;}
.counter{border-top:1px solid var(--divider-dark);padding-top:22px;}
.counter-num{font-family:var(--serif);font-size:clamp(3rem,9vw,3.875rem);line-height:1;}
.counter-num--mint{color:var(--mint);}
.counter-label{font-size:14px;color:var(--sage);margin-top:12px;}
.flag-quote{font-family:var(--serif);font-style:italic;font-size:clamp(1.375rem,2.4vw,1.6875rem);
  color:var(--on-dark);margin-top:44px;}

/* timeline (The path / community) */
.timeline{border-top:1px solid var(--border);margin-top:28px;}
.t-row{display:grid;grid-template-columns:1fr;gap:6px;padding:22px 0;
  border-bottom:1px solid var(--border);}
.t-row:last-child{border-bottom:none;}
.t-when{font-family:var(--serif);font-size:18px;color:var(--accent);}
.t-when--past{color:var(--meta);}
.t-what{font-size:18px;color:var(--body-alt);line-height:1.55;}
.timeline--bold .t-row{border-color:#ddd2bf;}
.timeline--bold .t-when{font-family:var(--sans);font-weight:700;font-size:16px;color:var(--ink);}
.timeline--bold .t-what{font-size:16px;color:var(--muted);}

/* overlay band (skyline) */
.overlay-band{position:relative;background:var(--dark);overflow:hidden;}
.overlay-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38;}
.overlay-band::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,28,24,.72),rgba(20,28,24,.35));}
.overlay-content{position:relative;z-index:2;padding:72px 0;max-width:46ch;}
.overlay-content .eyebrow{color:var(--mint);}
.overlay-content p:first-of-type{font-family:var(--serif);font-weight:400;
  font-size:clamp(1.75rem,3.6vw,2.125rem);line-height:1.3;color:var(--on-dark);}
.overlay-content p:last-of-type{font-size:17px;color:var(--sage-soft);margin-top:18px;}

/* investing logo tiles */
.logos{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.logo-tile{display:flex;align-items:center;justify-content:center;height:130px;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-tile);padding:22px;}
.logo-tile img{max-height:42px;max-width:80%;object-fit:contain;}
.logo-tile--tall img{max-height:96px;max-width:100%;}

/* featured article card (Thinking) */
.feature{display:grid;grid-template-columns:1fr;background:var(--dark);border-radius:var(--r-lg);
  overflow:hidden;color:var(--on-dark);}
.feature-body{padding:36px 28px;}
.feature-body .meta{color:var(--mint);margin-bottom:0;}
.feature-title{font-family:var(--serif);font-size:clamp(1.75rem,3.2vw,2.375rem);line-height:1.15;
  margin:16px 0 14px;}
.feature-body p{font-size:17px;line-height:1.6;color:#c2cdc4;max-width:46ch;}
.feature-img{width:100%;height:100%;min-height:240px;object-fit:cover;}

/* writing list + podcast rows */
.rows{border-top:1px solid var(--border);}
.row{display:grid;grid-template-columns:1fr;gap:8px;padding:26px 0;
  border-bottom:1px solid var(--border);color:var(--ink);}
.row:last-child{border-bottom:none;}
.row-when{font-family:var(--mono);font-size:12px;color:var(--ink);}
.row-cat{font-family:var(--mono);font-size:11px;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--meta);margin-top:4px;}
.row-title{font-family:var(--serif);font-size:clamp(1.375rem,2.2vw,1.625rem);line-height:1.2;
  margin-bottom:6px;}
.row-blurb{font-size:15px;line-height:1.5;color:var(--muted);max-width:62ch;}
.row-act{font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;}
.row-meta strong{font-weight:700;font-size:16px;}
.row-meta span{display:block;font-size:14px;color:var(--muted);margin-top:3px;}
.convos{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 24px 8px;}
.convos .row-title{font-size:clamp(1.1875rem,1.8vw,1.3125rem);}

/* check rows (Start with the problem) */
.checks{display:flex;flex-direction:column;gap:14px;margin-top:30px;}
.check{display:flex;gap:12px;align-items:baseline;}
.check .tick{color:var(--accent);font-size:16px;flex:none;}
.check span:last-child{font-size:17px;color:var(--ink-warm);line-height:1.45;}

/* centered CTA band */
.cta-band{text-align:center;}
.cta-band .display,.cta-band .h2{margin:0 auto;max-width:18ch;}
.cta-band p{margin-top:18px;text-wrap:balance;}
.cta-band--dark p{color:var(--sage);font-size:18px;}
.cta-band--soft{background:var(--cream-band);border-top:1px solid var(--border);}
.cta-band--soft p{color:var(--muted);font-size:17px;}
.cta-band .cta-row{margin-top:32px;}
.cta-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.home-hero .cta-row{justify-content:flex-start;}

/* rounded image used in splits */
.split-img{width:100%;border-radius:var(--r-lg);object-fit:cover;}
.split-img--portrait{aspect-ratio:4/5;}
.split-img--fill{height:100%;min-height:300px;border-radius:var(--r-md);}

/* ---------- 9. FOOTER ---------- */
.footer{background:var(--footer-bg);color:var(--footer-link);padding:56px 0 28px;}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;
  border-bottom:1px solid var(--divider-dark);}
.footer-brand{font-family:var(--serif);font-size:26px;color:var(--on-dark);}
.footer-blurb{font-size:15px;line-height:1.65;color:var(--footer-body);margin-top:14px;max-width:36ch;}
.footer-col .meta{color:var(--footer-label);letter-spacing:0.12em;font-size:11px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:15px;}
.footer-links a{color:var(--footer-link);}
.footer-links a:hover{color:var(--on-dark);}
.footer-bottom{padding-top:24px;font-size:13px;color:var(--footer-label);}

/* ---------- 10. RESPONSIVE ---------- */

/* tablet */
@media(min-width:720px){
  .cards{grid-template-columns:repeat(3,1fr);}
  .tgrid{grid-template-columns:repeat(2,1fr);}
  .logos{grid-template-columns:repeat(3,1fr);}
  .counters{grid-template-columns:repeat(3,1fr);gap:40px;}
  .metrics{grid-template-columns:repeat(3,1fr);}
  .metric{border-bottom:none;border-right:1px solid var(--divider-dark);}
  .metrics .metric:last-child{border-right:none;}
  .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
  .logo-tile{height:152px;}
}

/* desktop */
@media(min-width:1024px){
  :root{--pad:60px;}
  .section{padding:90px 0;}
  .section--closing{padding:120px 0;}
  .section--tight{padding:48px 0;}
  .nav{padding:28px 60px;}
  .wordmark{font-size:22px;}

  .home-hero{padding:70px 0 84px;}
  .page-hero{padding-top:74px;padding-bottom:40px;}

  .split{grid-template-columns:1fr 1fr;gap:56px;}
  .split--wide-left{grid-template-columns:1.1fr 0.9fr;}
  .split--wide-right{grid-template-columns:0.9fr 1.1fr;}
  .split--hero{grid-template-columns:1.05fr 0.95fr;gap:60px;}

  .proof{grid-template-columns:1.15fr 0.85fr;}
  .proof-body{padding:60px 56px;}
  .quote-card{padding:44px 48px;}
  .tcard{padding:44px 52px;}

  .metric{padding:46px 40px;}
  .card{padding:36px;}

  .t-row{grid-template-columns:200px 1fr;gap:24px;}
  .timeline--bold .t-row{grid-template-columns:210px 1fr;}

  .overlay-content{padding:0;min-height:520px;display:flex;flex-direction:column;
    justify-content:center;}
  .overlay-band::after{background:linear-gradient(90deg,rgba(20,28,24,.55),rgba(20,28,24,0));}

  .feature{grid-template-columns:1.1fr 0.9fr;}
  .feature-body{padding:52px;}
  .row{grid-template-columns:200px 1fr auto;gap:28px;align-items:center;}
  .row-when{margin:0;}
  .convos{padding:38px 44px 18px;}
  .convos .row{grid-template-columns:260px 1fr auto;}
}

/* mobile nav drawer (applies below desktop) */
@media(max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;z-index:30;
    flex-direction:column;align-items:stretch;gap:0;background:var(--cream);
    border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    box-shadow:0 18px 30px -20px rgba(31,29,24,.4);}
  .nav.is-open .nav-menu{display:flex;}
  .nav-menu a{padding:16px var(--pad);font-size:16px;border-bottom:1px solid var(--border);
    min-height:44px;display:flex;align-items:center;}
  .nav-menu a:last-child{border-bottom:none;}
  .nav-menu a.active{border-bottom:1px solid var(--border);}
}
@media(min-width:1024px){
  .nav-pill{padding:11px 22px;}   /* slightly roomier on desktop */
}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;}
  .growth-fill{transition:none !important;}
}