/* Tactical Tree and Land — design system adapted from ryanna.com (Fraunces + Inter, forest/paper palette).
   WCAG 2.1 AA colour contrast verified for every text/background pair in verify.py. */
:root{
  --forest:#1f3d2f; --forest-deep:#15291f; --sage:#5a7a63; --sage-text:#476352;
  --leaf:#6fae54; --leaf-light:#a6d18c; --slate:#2c3338; --ink:#1a1f1c;
  --paper:#f6f4ee; --paper-2:#ece8dd; --line:#d8d2c4; --gold:#b08a3e; --gold-text:#7a5d22;
  --focus:#0b57d0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:1.03rem;line-height:1.65;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"Fraunces",Georgia,"Times New Roman",serif;font-weight:500;
  line-height:1.15;letter-spacing:-0.01em;color:var(--forest-deep)}
h1{font-size:clamp(2rem,4.2vw,3rem);margin:.2em 0 .5em;max-width:22ch}
h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:2.2em 0 .6em}
h3{font-size:1.3rem;margin:1.2em 0 .4em}
p{margin:.6em 0 1em}
a{color:var(--forest);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
  text-decoration-color:var(--leaf);transition:color .2s}
a:hover{color:var(--forest-deep);text-decoration-thickness:2px}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
img,svg{max-width:100%;height:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--forest-deep);color:#fff;
  padding:.7em 1.2em;z-index:200;border-radius:0 0 3px 0;text-decoration:none}
.skip:focus{left:0}

/* ---------- header / nav (white sticky bar, ryanna style) ---------- */
header.site{position:sticky;top:0;z-index:100;background:#ffffff;border-bottom:1px solid var(--line)}
.navbar{max-width:1200px;margin:0 auto;padding:.7em 28px;display:flex;align-items:center;
  justify-content:space-between;gap:1.5em;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.8em;text-decoration:none;color:var(--forest-deep)}
.brand img{height:62px;width:62px;display:block}
.brand .name{font-family:"Fraunces",Georgia,serif;font-weight:500;font-size:1.35rem;line-height:1.1;letter-spacing:-0.01em}
.brand .name small{display:block;font-family:"Inter",sans-serif;font-size:.68rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--sage-text);margin-top:.3em}
nav.site ul{list-style:none;display:flex;gap:1.6em;align-items:center;margin:0;padding:0;flex-wrap:wrap}
nav.site a{font-size:.8rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);
  text-decoration:none;padding:.5em 0;position:relative;display:inline-block}
nav.site a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--leaf);transition:width .25s}
nav.site a:hover{color:var(--forest)}
nav.site a:hover::after,nav.site a[aria-current="page"]::after{width:100%}
nav.site a[aria-current="page"]{color:var(--forest-deep);font-weight:600}
nav.site a.cta-nav{background:var(--forest);color:var(--paper);padding:.65em 1.25em;border-radius:2px;letter-spacing:.04em}
nav.site a.cta-nav::after{display:none}
nav.site a.cta-nav:hover,nav.site a.cta-nav[aria-current="page"]{background:var(--forest-deep);color:#fff}
@media(max-width:760px){.navbar{justify-content:center;text-align:center}nav.site ul{justify-content:center;gap:1em}}

/* ---------- layout ---------- */
main{max-width:1200px;margin:0 auto;padding:1.6em 28px 4em}
.eyebrow{font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage-text);font-weight:600;
  margin:1.6em 0 .6em;display:flex;align-items:center;gap:13px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--leaf)}
.lead,.hero p.lead{font-size:1.15rem;line-height:1.7;color:var(--slate);max-width:62ch}

/* dark hero (home) */
.hero-dark{background:linear-gradient(160deg,var(--forest) 0%,var(--forest-deep) 100%);color:#fff;
  border-radius:3px;padding:clamp(2em,5vw,4.5em) clamp(1.4em,4vw,3.5em);margin:1.2em 0 2.5em;
  display:grid;grid-template-columns:1.2fr .8fr;gap:2.5em;align-items:center}
.hero-dark .eyebrow{color:#cfe2c4;margin-top:0}
.hero-dark .eyebrow::before{background:var(--leaf)}
.hero-dark h1{color:#fff;max-width:16ch;margin:.1em 0 .4em}
.hero-dark h1 em{font-style:italic;color:var(--leaf-light)}
.hero-dark p.lead{color:#e9efe4}
.hero-dark .logo-lockup{background:#fff;border-radius:3px;padding:1.2em;justify-self:center;max-width:340px;
  box-shadow:0 24px 60px -28px rgba(0,0,0,.6)}
.hero-dark .logo-lockup img{display:block;width:100%;height:auto}
@media(max-width:820px){.hero-dark{grid-template-columns:1fr}.hero-dark .logo-lockup{max-width:260px;order:-1}}

/* light hero (inner pages) */
.hero{background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:1.6em 1.8em;margin:1.2em 0}

/* buttons */
.cta,.cta:visited{display:inline-block;padding:.9em 1.7em;border-radius:2px;font-size:.84rem;letter-spacing:.05em;
  text-transform:uppercase;font-weight:600;text-decoration:none;margin:.5em .7em .2em 0;transition:background .2s;
  background:var(--leaf);color:#11251a}
.cta:hover{background:#7cbf60;color:#11251a}
.cta.alt,.cta.alt:visited{background:var(--forest);color:var(--paper)}
.cta.alt:hover{background:var(--forest-deep);color:#fff}
.hero-dark .cta.alt,.hero-dark .cta.alt:visited{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff}
.hero-dark .cta.alt:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* cards & grid */
.grid{display:grid;gap:1.4em;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:1.6em 0}
.card{background:#fff;border:1px solid var(--line);border-radius:3px;padding:1.4em 1.5em;
  box-shadow:0 18px 44px -32px rgba(21,41,31,.35)}
.card h3{margin-top:.2em}
.card .thumb{background:var(--paper);border-radius:3px;padding:.5em;margin:0 0 .8em}
figure{margin:1em 0}
figure.ba{background:#fff;border:1px solid var(--line);border-radius:3px;padding:.9em}
figcaption{font-size:.9rem;color:var(--sage-text);padding:.6em .3em 0}
.problem{border-top:1px solid var(--line);padding-top:1.6em;margin-top:2.6em}
.problem h3{font-size:1.45rem;margin-top:0}
.eqtags{list-style:none;display:flex;flex-wrap:wrap;gap:.45em;padding:0;margin:.6em 0 1em}
.eqtags li{background:var(--paper-2);border:1px solid var(--line);border-radius:2px;padding:.15em .8em;
  font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--forest)}
.breadcrumb{font-size:.82rem;margin:.6em 0 0;letter-spacing:.03em}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.5em;padding:0;margin:0}
.breadcrumb li+li::before{content:"›";margin-right:.5em;color:var(--sage-text)}
.note{background:#fff;border-left:3px solid var(--gold);padding:.9em 1.2em;border-radius:0 3px 3px 0;margin:1.4em 0}
.pull{border-left:3px solid var(--leaf);padding:6px 0 6px 22px;margin:28px 0;font-family:"Fraunces",serif;
  font-size:1.3rem;font-style:italic;color:var(--forest-deep);line-height:1.4}
table{border-collapse:collapse;width:100%;margin:1.4em 0;background:#fff;font-size:.98rem}
caption{text-align:left;font-family:"Fraunces",serif;font-weight:500;font-size:1.1rem;padding:.5em 0;color:var(--forest-deep)}
th,td{border:1px solid var(--line);padding:.65em .9em;text-align:left;vertical-align:top}
th{background:var(--paper-2);font-weight:600;font-size:.86rem;letter-spacing:.04em;text-transform:uppercase;color:var(--forest-deep)}
ul,ol{padding-left:1.3em}
li{margin:.3em 0}

/* footer */
footer.site{background:var(--forest-deep);color:#cdd8cf;margin-top:3em}
footer.site .inner{max-width:1200px;margin:0 auto;padding:3em 28px 2em;display:grid;gap:2em;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
footer.site h2{color:#fff;font-size:.8rem;font-family:"Inter",sans-serif;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;margin:0 0 .9em}
footer.site a{color:var(--leaf-light);text-decoration-color:rgba(166,209,140,.5)}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin:.35em 0}
footer.site p{margin:.3em 0}
.smallprint{background:#10201a;color:#aebfb1;text-align:center;padding:1em 1.2em;font-size:.82rem;margin:0}
.toc{background:#fff;border:1px solid var(--line);border-radius:3px;padding:1.2em 1.6em;margin:1.6em 0}
.toc h2{margin:.2em 0 .6em;font-size:.8rem;font-family:"Inter",sans-serif;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--sage-text)}
.toc ol{columns:2;column-gap:2.5em;margin:.4em 0;padding-left:1.2em}
@media(max-width:640px){.toc ol{columns:1}}
.toc li{margin:.35em 0;break-inside:avoid}