/* NM Impact Lab — public site
   Dependency-free stylesheet. Light + dark aware. */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --bg-card: #ffffff;
  --border: #e2e5ea;
  --text: #1a1d24;
  --text-soft: #565d6b;
  --accent: #0b4f6c;      /* deep teal-blue */
  --accent-2: #c1440e;    /* clay/rust accent (NM) */
  --link: #0b4f6c;
  --link-hover: #08384c;
  --ring: rgba(11, 79, 108, 0.35);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  --radius: 12px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --bg-soft: #161a21;
    --bg-card: #171b22;
    --border: #2a303a;
    --text: #e8eaed;
    --text-soft: #a2abba;
    --accent: #4ba3c7;
    --accent-2: #e0703f;
    --link: #7cc4e0;
    --link-hover: #a5d6ea;
    --ring: rgba(75, 163, 199, 0.4);
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.4);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Skip link for accessibility */
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip:focus { left: 0; }

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: saturate(1.2) blur(6px);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .mark {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: #fff; font-weight: 800; font-size: 0.9rem;
}
.brand .mark-2 { background: var(--accent-2); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-soft); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 680px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg);
    border-bottom: 1px solid var(--border); padding: 8px 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 20px; width: 100%; }
}

/* Hero */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 1.2rem; color: var(--text-soft); max-width: 640px; margin: 0 0 28px; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.78rem; font-weight: 700; color: var(--accent-2); margin-bottom: 14px;
}

/* Buttons */
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px;
  font-weight: 600; font-size: 0.98rem; cursor: pointer; border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--link-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
section.block { padding: 56px 0; }
.section-head { margin-bottom: 32px; }
.section-head h2 { font-size: 1.7rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.section-head p { color: var(--text-soft); margin: 0; max-width: 620px; }

/* Card grid */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(16,24,40,0.08), 0 16px 40px rgba(16,24,40,0.10); }
.card .tag {
  align-self: flex-start; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--accent); background: var(--bg-soft);
  padding: 4px 9px; border-radius: 20px; margin-bottom: 12px;
}
.card h3 { margin: 0 0 8px; font-size: 1.18rem; }
.card h3 a { color: var(--text); }
.card p { color: var(--text-soft); margin: 0 0 16px; font-size: 0.96rem; }
.card .meta { margin-top: auto; font-size: 0.85rem; color: var(--text-soft); display: flex; gap: 12px; flex-wrap: wrap; }
.card .status { font-weight: 600; }
.status.live { color: #2e7d32; }
.status.progress { color: var(--accent-2); }
.status.planned { color: var(--text-soft); }

/* Stat strip */
.stats { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.stat { text-align: center; padding: 20px; }
.stat .num { font-size: 2.1rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.stat .label { color: var(--text-soft); font-size: 0.9rem; }

/* Prose (article pages) */
.prose { max-width: 720px; margin: 0 auto; padding: 48px 0; }
.prose h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 12px; }
.prose h2 { margin: 40px 0 12px; font-size: 1.5rem; }
.prose h3 { margin: 28px 0 8px; font-size: 1.2rem; }
.prose p, .prose li { font-size: 1.06rem; }
.prose .byline { color: var(--text-soft); margin-bottom: 32px; font-size: 0.95rem; }
.prose img { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.95rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.prose th { background: var(--bg-soft); }
.callout {
  background: var(--bg-soft); border-left: 4px solid var(--accent);
  padding: 14px 18px; border-radius: 6px; margin: 24px 0; color: var(--text-soft);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border); background: var(--bg-soft);
  padding: 40px 0; margin-top: 40px; color: var(--text-soft); font-size: 0.92rem;
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-grid h4 { color: var(--text); font-size: 0.95rem; margin: 0 0 10px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 6px; }
.footer-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 0.85rem; }

/* Site-wide verify-before-you-rely disclaimer (appears in every footer) */
.site-footer .disclaimer {
  border: 2px solid var(--accent-2);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
.site-footer .disclaimer .dh {
  display: block;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-2);
  font-size: 1.02rem;
  margin-bottom: 6px;
}
.site-footer .disclaimer strong { font-weight: 700; }

hr.rule { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }