/* ==========================================================================
   Chicken Road Ethiopia — base design system
   ========================================================================== */
:root{
  --bg:#fff8ec;
  --surface:#ffffff;
  --surface-2:#fff1d6;
  --primary:#ff6a00;
  --accent:#ffcc00;
  --success:#35c759;
  --danger:#ff3b30;
  --road:#4a4a55;
  --text:#2b2b30;
  --muted:#7a7a85;

  --border:#f0e2c8;
  --border-strong:#e6d3b0;

  --font-head:'Baloo 2', 'Trebuchet MS', system-ui, sans-serif;
  --font-body:'Nunito Sans', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;

  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;

  --shadow-s:0 2px 6px rgba(74,74,85,.08);
  --shadow:0 8px 24px rgba(74,74,85,.10);
  --shadow-l:0 18px 44px rgba(255,106,0,.16);

  --space:16px;
  --wrap:1180px;
  --header-h:68px;
}

/* ------------------------------ reset ---------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:#d95500;text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{padding-left:1.15em}
li{margin:.35em 0}
table{border-collapse:collapse;width:100%}
button,input,textarea,select{font:inherit;color:inherit}
figure{margin:0}
hr{border:0;border-top:1px solid var(--border);margin:2rem 0}

/* --------------------------- typography -------------------------------- */
h1,h2,h3,h4{font-family:var(--font-head);color:var(--road);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(1.75rem,5.2vw,2.85rem);letter-spacing:-.01em}
h2{font-size:clamp(1.35rem,3.6vw,2rem);margin-top:2.2em}
h3{font-size:clamp(1.12rem,2.6vw,1.4rem);margin-top:1.6em}
h4{font-size:1.05rem;margin-top:1.3em}
p{margin:0 0 1.05em}
strong{color:var(--road)}
small{font-size:.86rem}
.muted{color:var(--muted)}
.lead{font-size:1.09rem;color:#4b4b56}

/* ------------------------------ layout --------------------------------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 18px}
.section{padding:34px 0}
.grid{display:grid;gap:18px}
.cols-2{grid-template-columns:1fr}
.cols-3{grid-template-columns:1fr}
.cols-4{grid-template-columns:1fr 1fr}
.flow > * + *{margin-top:.2em}

/* ------------------------------ cards ---------------------------------- */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow-s);
}
.card h3{margin-top:0}
.card--soft{background:var(--surface-2);border-color:var(--border-strong)}
.card--success{background:#f1fcf4;border-color:#bdecc9}
.card--danger{background:#fff2f1;border-color:#ffcdc9}
.card--accent{background:#fffbe8;border-color:#ffe9a3}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface-2);font-size:1.35rem;margin-bottom:10px;
}

/* ------------------------------ badges --------------------------------- */
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;list-style:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-head);font-size:.85rem;font-weight:700;
  padding:6px 12px;border-radius:999px;background:var(--surface-2);color:var(--road);
  border:1px solid var(--border-strong);
}
.badge--rtp{background:#e8faed;border-color:#a9e7b9;color:#1d7a37}
.badge--diff{background:#fff6cc;border-color:var(--accent);color:#8a6300}
.badge--risk{background:#ffeceb;border-color:#ffc4bf;color:#b52a22}
.badge--age{background:var(--road);border-color:var(--road);color:#fff}

/* ------------------------------ buttons -------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 22px;
  font-family:var(--font-head);font-weight:700;font-size:1rem;
  border-radius:999px;border:2px solid transparent;cursor:pointer;
  text-decoration:none;transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,106,0,.28)}
.btn--primary:hover{background:#f06200}
.btn--accent{background:var(--accent);color:#4a3200;box-shadow:0 8px 20px rgba(255,204,0,.32)}
.btn--ghost{background:var(--surface);color:var(--road);border-color:var(--border-strong)}
.btn--success{background:var(--success);color:#fff}
.btn--sm{min-height:44px;padding:10px 18px;font-size:.94rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}

/* ------------------------------ tables --------------------------------- */
.table-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-s);margin:18px 0;
}
.table-scroll table{min-width:520px}
th,td{padding:12px 14px;text-align:left;font-size:.96rem;border-bottom:1px solid var(--border)}
thead th{
  background:var(--surface-2);color:var(--road);font-family:var(--font-head);
  font-size:.92rem;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;
}
tbody tr:nth-child(even){background:#fffdf7}
tbody tr:last-child td{border-bottom:0}
.table-note{font-size:.86rem;color:var(--muted);margin:-8px 0 18px}

/* ------------------------------ notes ---------------------------------- */
.note{
  border-left:5px solid var(--accent);
  background:var(--surface-2);
  border-radius:0 var(--radius) var(--radius) 0;
  padding:14px 18px;margin:20px 0;font-size:.98rem;
}
.note--warn{border-left-color:var(--danger);background:#fff2f1}
.note--ok{border-left-color:var(--success);background:#f1fcf4}
.note p:last-child{margin-bottom:0}
.note strong{font-family:var(--font-head)}

/* ------------------------------ lists ---------------------------------- */
.check,.cross{list-style:none;padding:0;margin:0}
.check li,.cross li{position:relative;padding-left:30px;margin:.5em 0}
.check li::before{content:"✔";position:absolute;left:0;top:0;color:var(--success);font-weight:700}
.cross li::before{content:"✕";position:absolute;left:0;top:0;color:var(--danger);font-weight:700}
.steps{list-style:none;counter-reset:s;padding:0;margin:18px 0}
.steps li{
  counter-increment:s;position:relative;padding:14px 16px 14px 62px;margin:10px 0;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
}
.steps li::before{
  content:counter(s);position:absolute;left:16px;top:14px;
  width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-family:var(--font-head);font-weight:700;
}
.steps li strong{display:block}

/* --------------------------- breadcrumbs ------------------------------- */
.crumbs{font-size:.86rem;color:var(--muted);padding:16px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li{margin:0}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--border-strong)}
.crumbs a{color:var(--muted)}

/* ----------------------------- byline ---------------------------------- */
.byline{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:.9rem;color:var(--muted);margin:0 0 20px;
}
.byline img{width:38px;height:38px;border-radius:50%;object-fit:cover}
.byline b{color:var(--road)}
.byline span{white-space:nowrap}

/* ---------------------------- author box ------------------------------- */
.author-box{
  display:grid;gap:18px;grid-template-columns:1fr;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-s);
}
.author-box img{width:120px;height:150px;object-fit:cover;border-radius:var(--radius);border:3px solid var(--accent)}
.author-box h3{margin-top:0}
.author-role{font-family:var(--font-head);color:var(--primary);font-size:.95rem;margin:-.6em 0 .8em}

/* --------------------------- disclaimer -------------------------------- */
.disclaimer{
  font-size:.88rem;color:var(--muted);background:var(--surface-2);
  border:1px dashed var(--border-strong);border-radius:var(--radius);
  padding:14px 16px;margin:26px 0 0;
}
.disclaimer p:last-child{margin-bottom:0}

/* ------------------------------ toc ------------------------------------ */
.toc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-s)}
.toc h2{margin:0 0 .5em;font-size:1.1rem}
.toc ol{margin:0;padding-left:1.2em;columns:1;font-size:.95rem}
.toc a{color:var(--road)}

/* ---------------------------- accordion -------------------------------- */
.acc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:10px 0;overflow:hidden}
.acc__q{
  width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:none;border:0;padding:14px 18px;text-align:left;cursor:pointer;
  font-family:var(--font-head);font-weight:700;font-size:1rem;color:var(--road);
}
.acc__q:hover{background:#fffdf6}
.acc__q i{font-style:normal;color:var(--primary);font-size:1.4rem;line-height:1;transition:transform .2s ease}
.acc.is-open .acc__q i{transform:rotate(45deg)}
.acc__a{display:none;padding:0 18px 16px;font-size:.98rem}
.acc.is-open .acc__a{display:block}
.acc__a p:last-child{margin-bottom:0}

/* ------------------------------ misc ----------------------------------- */
.pill-links{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:18px 0}
.pill-links a{
  display:inline-flex;min-height:44px;align-items:center;padding:10px 16px;
  background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;
  font-family:var(--font-head);font-weight:700;font-size:.92rem;color:var(--road);
}
.pill-links a:hover{background:var(--accent);text-decoration:none}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center}
.stat b{display:block;font-family:var(--font-head);font-size:1.35rem;color:var(--primary)}
.stat span{font-size:.82rem;color:var(--muted)}
.figure{margin:22px 0}
.figure img{border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-s);width:100%}
.figure figcaption{font-size:.84rem;color:var(--muted);margin-top:8px;text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* --------------------------- breakpoints ------------------------------- */
@media (min-width:601px){
  .cols-2{grid-template-columns:1fr 1fr}
  .cols-3{grid-template-columns:1fr 1fr}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(4,1fr)}
  .author-box{grid-template-columns:140px 1fr;align-items:start}
  .section{padding:44px 0}
}
@media (min-width:1025px){
  body{font-size:17.5px}
  .cols-3{grid-template-columns:repeat(3,1fr)}
  .cols-4{grid-template-columns:repeat(4,1fr)}
  .toc ol{columns:2;column-gap:32px}
  .section{padding:52px 0}
}

/* anchor offset for sticky header */
[id]{scroll-margin-top:96px}