/* ==========================================================================
   Gituamba Bridge Kasarani C.B.O. — shared stylesheet
   Palette: paper #FBF8F2, ink #24231F, clay #B5502F, teal #2E5C50,
            gold #D9A441, sand #EDE3CF, line #DCD3BC
   Type: Fraunces (display) / Work Sans (body) / IBM Plex Mono (utility)
   ========================================================================== */

:root{
  --paper:#FBF8F2;
  --ink:#24231F;
  --clay:#B5502F;
  --clay-dark:#8C3D22;
  --teal:#2E5C50;
  --teal-dark:#1F3E36;
  --gold:#D9A441;
  --sand:#EDE3CF;
  --line:#DCD3BC;
  --max:1120px;
  --radius:4px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Work Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--clay-dark);}
h1,h2,h3,h4{
  font-family:"Fraunces",Georgia,serif;
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  color:var(--teal-dark);
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.2rem,5vw,3.4rem);}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);}
h3{font-size:1.3rem;}
p{margin:0 0 1.1em;}
.eyebrow{
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--clay);display:inline-block;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
.section-tight{padding:40px 0;}
.section-alt{background:var(--sand);}
.section-dark{background:var(--teal-dark);color:#F1EEE4;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .eyebrow{color:var(--gold);}
.section-dark .eyebrow::before{background:var(--gold);}

/* skip link */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;}
.skip-link:focus{left:12px;top:12px;}

/* ---------- Header / nav ---------- */
header.site{
  position:sticky;top:0;z-index:100;
  background:rgba(251,248,242,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand svg{width:34px;height:34px;flex:none;}
.brand-text{font-family:"Fraunces",serif;font-weight:600;font-size:1.05rem;line-height:1.15;color:var(--teal-dark);}
.brand-text small{display:block;font-family:"IBM Plex Mono",monospace;font-weight:400;font-size:.62rem;letter-spacing:.08em;color:var(--clay);text-transform:uppercase;}
nav.primary{display:flex;align-items:center;gap:28px;}
nav.primary a{
  text-decoration:none;color:var(--ink);font-size:.94rem;font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;
}
nav.primary a:hover,nav.primary a[aria-current="page"]{border-bottom-color:var(--clay);color:var(--clay-dark);}
.nav-cta{
  background:var(--clay);color:#fff !important;padding:10px 18px !important;
  border-radius:var(--radius);border-bottom:none !important;font-weight:600 !important;
}
.nav-cta:hover{background:var(--clay-dark);}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);width:42px;height:38px;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;}

@media (max-width:860px){
  nav.primary{
    position:fixed;inset:62px 0 0 0;background:var(--paper);flex-direction:column;
    align-items:flex-start;padding:28px 24px;gap:6px;transform:translateX(100%);
    transition:transform .25s ease;overflow-y:auto;
  }
  nav.primary a{width:100%;padding:12px 0;border-bottom:1px solid var(--line);}
  nav.primary.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .nav-cta{width:100%;text-align:center;margin-top:10px;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius);font-weight:600;text-decoration:none;
  font-size:.96rem;border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--clay);color:#fff;}
.btn-primary:hover{background:var(--clay-dark);}
.btn-outline{border-color:currentColor;color:var(--teal-dark);background:transparent;}
.btn-outline:hover{background:var(--teal-dark);color:#fff;}
.section-dark .btn-outline{color:#F1EEE4;}
.section-dark .btn-outline:hover{background:#fff;color:var(--teal-dark);}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6em;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero-lede{font-size:1.15rem;max-width:46ch;color:#4a473f;}
.hero-art{width:100%;height:auto;}
.stat-row{display:flex;gap:34px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
.stat b{display:block;font-family:"Fraunces",serif;font-size:1.9rem;color:var(--clay-dark);}
.stat span{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:#645f52;}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;}.hero-art{order:-1;max-width:340px;margin:0 auto;}}

/* ---------- Arch divider (signature element) ---------- */
.arch-divider{width:100%;height:44px;margin:0 auto;display:block;}
.arch-divider path{stroke:var(--line);}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr;}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;
}
.card h3{margin-bottom:.4em;}
.card .eyebrow{margin-bottom:.6em;}
.pillar-card{border-left:3px solid var(--clay);}

/* ---------- Article / blog cards ---------- */
.article-list{display:grid;gap:22px;grid-template-columns:repeat(2,1fr);}
@media (max-width:760px){.article-list{grid-template-columns:1fr;}}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;height:100%;
}
.article-card .tag{
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--teal);background:var(--sand);
  padding:3px 9px;border-radius:20px;display:inline-block;margin-bottom:12px;width:fit-content;
}
.article-card time{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:#7a7565;display:block;margin-top:auto;padding-top:14px;}
.article-card h3{font-size:1.12rem;margin-bottom:.3em;}
.article-card a.stretched{text-decoration:none;color:inherit;}
.article-card p{font-size:.94rem;color:#4a473f;margin-bottom:0;}
.featured-article{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;background:var(--sand);}
@media (max-width:640px){.featured-article{grid-template-columns:1fr;}}
.featured-badge{
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;background:var(--clay);padding:4px 10px;border-radius:20px;
  width:fit-content;margin-bottom:10px;
}

/* ---------- Filters ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 32px;}
.filter-row a{
  text-decoration:none;font-size:.85rem;font-family:"IBM Plex Mono",monospace;
  padding:7px 14px;border:1px solid var(--line);border-radius:20px;color:var(--ink);
}
.filter-row a.active,.filter-row a:hover{background:var(--teal-dark);color:#fff;border-color:var(--teal-dark);}

/* ---------- Article single page ---------- */
.article-header{padding:52px 0 20px;border-bottom:1px solid var(--line);}
.article-meta{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:#7a7565;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:1.2em;}
.article-body{max-width:70ch;padding:44px 0;}
.article-body p{font-size:1.05rem;}
.article-body blockquote{
  border-left:3px solid var(--clay);margin:1.8em 0;padding:.2em 0 .2em 1.4em;
  font-family:"Fraunces",serif;font-size:1.25rem;font-style:italic;color:var(--teal-dark);
}
.pull-cta{background:var(--sand);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin:2em 0;}
.related{padding:12px 0 60px;}
.back-link{font-family:"IBM Plex Mono",monospace;font-size:.85rem;text-decoration:none;display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:16px;max-width:560px;}
label{font-weight:600;font-size:.92rem;display:block;margin-bottom:6px;}
input,textarea,select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:.96rem;background:#fff;color:var(--ink);
}
textarea{resize:vertical;min-height:130px;}
.field-note{font-size:.82rem;color:#7a7565;margin-top:20px;}

/* ---------- Donate tiers ---------- */
.tier{text-align:center;}
.tier b{display:block;font-family:"Fraunces",serif;font-size:2.1rem;color:var(--clay-dark);margin-bottom:.2em;}

/* ---------- Footer ---------- */
footer.site{background:var(--teal-dark);color:#DCD8CA;padding:56px 0 26px;margin-top:60px;}
footer.site a{color:#F1EEE4;text-decoration:none;}
footer.site a:hover{text-decoration:underline;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
footer.site h4{color:#fff;font-family:"IBM Plex Mono",monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
footer.site ul{list-style:none;padding:0;margin:0;}
footer.site li{margin-bottom:9px;font-size:.92rem;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:#B7B29F;
}

/* ---------- Utility ---------- */
.center{text-align:center;}
.mt-0{margin-top:0;}
.narrow{max-width:70ch;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto !important;}}

/* ---------- Small-phone refinements ---------- */
@media (max-width:600px){
  .wrap{padding:0 18px;}
  section{padding:48px 0;}
  .hero{padding:40px 0 28px;}
  h1{font-size:clamp(1.9rem,8vw,2.4rem);}
  h2{font-size:clamp(1.4rem,6vw,1.8rem);}
  .stat-row{gap:22px;}
  .stat b{font-size:1.5rem;}
  .btn{width:100%;justify-content:center;}
  .btn-row{flex-direction:column;}
  .btn-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .card{padding:20px;}
  .article-body{padding:28px 0;}
  .filter-row{gap:8px;}
  .filter-row a{padding:6px 12px;font-size:.8rem;}
}
@media (max-width:400px){
  .nav-inner{padding:12px 16px;}
  .brand-text{font-size:.92rem;}
}

/* ---------- Perf: avoid layout shift on images/icons ---------- */
svg,img{height:auto;}
.brand svg{flex-shrink:0;}

/* ---------- Focus visibility ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--clay);outline-offset:2px;
}