/* ============================================================
   Scotland AI Observatory — design system
   Bryan Small — Applied AI Builder & Scottish AI Analyst
   Institutional Scottish tech aesthetic: navy / copper / cream
   ============================================================ */

:root{
  --navy:#0b1f3a;
  --navy2:#142d4d;
  --navy3:#173b5b;
  --copper:#c97b2d;
  --copper-light:#e6a257;
  --cream:#f7f4ed;
  --paper:#fffefa;
  --ink:#17202b;
  --muted:#5d6875;
  --green:#247a56;
  --red:#a84444;
  --amber:#d49b2f;
  --line:#d9d6cf;
  --blue:#1d5f91;
  --shadow:0 4px 18px rgba(11,31,58,.08);
  --radius:16px;
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.58;
  font-size:16px;
}
img{max-width:100%;height:auto}
a{color:#145f8c;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--maxw);margin:auto;padding:24px 28px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--copper);color:#fff;padding:10px 14px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Site header ---------- */
.sitehead{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.sitehead .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:14px;padding-bottom:14px;gap:16px}
.logo{font-weight:950;letter-spacing:.03em;font-size:1.02rem;line-height:1.1;color:#fff;text-decoration:none}
.logo .accent{color:var(--copper-light)}
.logo small{display:block;font-weight:600;font-size:.68rem;letter-spacing:.14em;color:#9fb4c9;text-transform:uppercase;margin-top:2px}
.nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.nav a{color:#e6edf5;text-decoration:none;font-weight:700;font-size:.9rem;padding:8px 11px;border-radius:8px;transition:background .15s}
.nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.nav a.active{background:var(--copper);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;font-size:1.3rem;border-radius:8px;padding:4px 12px;cursor:pointer;line-height:1}

/* ---------- Hero ---------- */
.hero{padding:64px 0;background:linear-gradient(135deg,var(--navy),#102a4a 60%,var(--navy3));color:#fff;border-bottom:5px solid var(--copper)}
.hero h1{font-size:clamp(2.2rem,6vw,4.4rem);line-height:1.02;margin:.18em 0;max-width:900px;font-weight:900}
.hero p{max-width:820px;font-size:1.18rem;color:#e5edf5}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:800;color:var(--copper-light)}
.badge{display:inline-block;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:5px 11px;margin:3px 3px 3px 0;font-size:.8rem;color:#eef3f8}
.hero-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{background:var(--navy);color:#fff;border:0;border-radius:9px;padding:11px 16px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block;font-size:.95rem;transition:transform .1s,box-shadow .15s}
.btn:hover{color:#fff;box-shadow:0 6px 16px rgba(11,31,58,.25)}
.btn.alt{background:var(--copper)}
.btn.alt:hover{background:#b56e24}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn.small{padding:7px 12px;font-size:.85rem}

/* ---------- Sections & cards ---------- */
.section{padding:38px 0}
.section.alt{background:#f0ece2}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);line-height:1.15;color:var(--navy);margin:0 0 6px}
h3{color:var(--navy2);margin:.4em 0 .3em}
.lead{font-size:1.12rem;color:var(--muted);max-width:760px;margin-top:0}
.kicker{font-weight:900;color:var(--copper);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:18px}
.grid.tight{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin:12px 0}
.card h3{margin-top:0}
.metric{font-size:2.1rem;font-weight:900;color:var(--navy);line-height:1}
.metric .unit{font-size:1rem;font-weight:700;color:var(--muted)}
.small{font-size:.9rem;color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f0f0ed;padding:2px 5px;border-radius:4px;font-size:.9em}

/* ---------- Callouts ---------- */
.callout{border-left:5px solid var(--copper);background:#fff7ec;padding:15px 18px;border-radius:8px;margin:16px 0}
.callout.good{border-left-color:var(--green);background:#effaf4}
.callout.warn{border-left-color:var(--amber);background:#fff9e9}
.callout.danger{border-left-color:var(--red);background:#fff0f0}
.callout h4{margin:0 0 4px}

/* ---------- Tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin:16px 0}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:640px}
th,td{padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
th{background:#eef2f5;color:var(--navy);font-weight:800}
tr:last-child td{border-bottom:0}
.status{display:inline-block;padding:3px 9px;border-radius:999px;font-size:.76rem;font-weight:800;white-space:nowrap}
.status.inprogress{background:#e7f3ec;color:var(--green)}
.status.track{background:#fdf3e0;color:#8a5a00}
.status.done{background:#e3eef7;color:var(--blue)}
.status.pending{background:#f0f0ed;color:var(--muted)}

/* ---------- Pills / tags ---------- */
.pill{display:inline-block;padding:4px 10px;background:#eaf0f5;border-radius:999px;font-size:.78rem;font-weight:800;margin:2px;color:var(--navy2)}
.pill.copper{background:#f7e6d2;color:#8a4d12}

/* ---------- Source links ---------- */
.src{font-size:.82rem;color:var(--muted)}
.src a{color:#145f8c;text-decoration:none;border-bottom:1px dotted #9db4c9}
.src a:hover{border-bottom-style:solid}

/* ---------- Diagnostic ---------- */
.diag .card label{display:block;font-weight:700;color:var(--navy2)}
.diag .card .q{font-weight:400;color:var(--muted);font-size:.9rem;display:block;margin-bottom:8px}
.diag select{width:100%;padding:10px;border:1px solid #cdd2d8;border-radius:8px;background:#fff;font:inherit;margin-top:6px}
.score-box{text-align:center;padding:26px}
.score{font-size:3.2rem;font-weight:900;color:var(--navy);line-height:1}
.score-bar{height:12px;background:#e6e2d8;border-radius:999px;overflow:hidden;margin:14px 0}
.score-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--copper),var(--green));transition:width .4s ease}

/* ---------- Tracker filter ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.filters button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-weight:700;font-size:.85rem;cursor:pointer;color:var(--navy2)}
.filters button.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ---------- Footer ---------- */
.sitefooter{padding:40px 0 56px;background:#07182c;color:#b9c8d8;margin-top:50px;font-size:.92rem}
.sitefooter a{color:#fff;text-decoration:none}
.sitefooter a:hover{text-decoration:underline}
.sitefooter .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px}
.sitefooter h4{color:#fff;margin:0 0 10px;font-size:.95rem}
.sitefooter ul{list-style:none;padding:0;margin:0}
.sitefooter li{margin:6px 0}
.foot-note{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;font-size:.82rem;color:#8fa3b8}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:8px}
.crumb a{color:var(--muted)}

/* ---------- About hero avatar ---------- */
.about-hero{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.about-avatar{flex:0 0 auto}
.about-avatar img{width:200px;height:200px;border-radius:50%;object-fit:cover;display:block;box-shadow:0 8px 30px rgba(0,0,0,.35)}
.about-hero-text{flex:1 1 320px;min-width:280px}
.about-hero-text h1{margin-top:.15em}
@media(max-width:640px){
  .about-hero{justify-content:center;text-align:center}
  .about-avatar img{width:160px;height:160px}
}

/* ---------- Capture window (diagnostic lead capture) ---------- */
.capture-overlay{position:fixed;inset:0;background:rgba(7,24,44,.72);backdrop-filter:blur(3px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.capture-overlay[hidden]{display:none}
.capture-modal{background:var(--paper);border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.4);max-width:520px;width:100%;padding:28px;position:relative;max-height:90vh;overflow-y:auto}
.capture-close{position:absolute;top:12px;right:14px;background:none;border:0;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted);padding:4px 8px;border-radius:8px}
.capture-close:hover{color:var(--navy);background:#f0ece2}
.capture-modal h3{margin:.2em 0 .4em;color:var(--navy)}
.capture-field{display:block;margin:14px 0}
.capture-field span{display:block;font-weight:700;color:var(--navy2);margin-bottom:6px;font-size:.92rem}
.capture-field input,.capture-field textarea,.capture-field select{width:100%;padding:11px;border:1px solid #cdd2d8;border-radius:9px;background:#fff;font:inherit;font-size:.95rem}
.capture-field textarea{resize:vertical}
.capture-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.capture-warning{background:#fff3e0;border:1px solid #f0c36d;color:#7a4a00;border-radius:9px;padding:10px 12px;font-size:.85rem;margin:14px 0}
.capture-turnstile{margin:14px 0;min-height:65px}
.capture-turnstile .cf-turnstile{transform:scale(0.9);transform-origin:left center}
@media(max-width:420px){.capture-turnstile .cf-turnstile{transform:scale(0.8);transform-origin:left center}}
.capture-privacy{font-size:.8rem;color:var(--muted);margin:12px 0 0}
.capture-privacy a{color:#145f8c}
.capture-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.capture-actions .btn.ghost{background:transparent;border:1.5px solid var(--line);color:var(--navy2)}
.capture-actions .btn.ghost:hover{background:#f0ece2}
.capture-actions .btn:disabled{opacity:.6;cursor:not-allowed}
#capture-status{margin-top:12px;font-weight:700}
#capture-status.ok{color:var(--green)}
#capture-status.err{color:var(--red)}
@media(max-width:520px){.capture-grid{grid-template-columns:1fr}}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .nav-toggle{display:block}
  .nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:2px;padding-top:8px}
  .nav.open{display:flex}
  .nav a{padding:11px 12px;border-radius:8px}
  .sitehead .wrap{flex-wrap:wrap}
  .hero{padding:44px 0}
  .wrap{padding-left:18px;padding-right:18px}
}
@media(max-width:520px){
  .hero-actions .btn{width:100%;text-align:center}
  .metric{font-size:1.7rem}
}