/* StrataPoint - single stylesheet. No external resources, no web fonts. */

:root{
  --paper:#f4f1e8;
  --card:#fffdf7;
  --ink:#1b2520;
  --ink-soft:#4c5a52;
  --pine:#1d4b3c;
  --pine-dark:#123328;
  --ochre:#8a4b12;
  --rule:#d8d1bf;
  --rule-strong:#b9b099;
  --tint:#eceadd;
  --radius:4px;
  --gap:1.15rem;
  --shell:74rem;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:Georgia,"Iowan Old Style","Times New Roman",serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:1.02rem;
  line-height:1.66;
  overflow-wrap:break-word;
}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 1.25rem}

a{color:var(--pine);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--pine-dark)}
a:focus-visible,button:focus-visible{outline:3px solid var(--ochre);outline-offset:2px}

.skiplink{
  position:absolute;left:-9999px;top:0;background:var(--pine);color:#fff;
  padding:.6rem 1rem;z-index:50;text-decoration:none
}
.skiplink:focus{left:0}

/* ---------- header ---------- */
.topbar{background:var(--card);border-bottom:1px solid var(--rule-strong)}
.topbar-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.brand-mark{
  display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:var(--radius);
  background:var(--pine);color:var(--paper);font-family:var(--serif);font-weight:700;font-size:1rem;letter-spacing:.02em
}
.brand-words{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--serif);font-size:1.22rem;font-weight:700;letter-spacing:.01em}
.brand-note{font-size:.74rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.07em}

.menu-button{
  margin-left:auto;background:var(--tint);color:var(--ink);border:1px solid var(--rule-strong);
  border-radius:var(--radius);padding:.45rem .85rem;font:inherit;font-size:.92rem;cursor:pointer
}
.site-nav{width:100%}
.nav-row{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:.1rem}
.nav-row > li{position:relative}
.nav-row a,.group-button{
  display:block;width:100%;text-align:left;padding:.5rem .35rem;font-size:.95rem;
  text-decoration:none;color:var(--ink);background:none;border:0;font:inherit;cursor:pointer
}
.nav-row a:hover,.group-button:hover{color:var(--pine);text-decoration:underline}
.group-button::after{content:" \25BE";color:var(--ink-soft)}
.group-list{list-style:none;margin:0 0 .4rem;padding:.2rem 0 .2rem .9rem;border-left:2px solid var(--rule)}
.group-list a{font-size:.92rem;color:var(--ink-soft)}

@media (min-width:62rem){
  .menu-button{display:none}
  .site-nav{width:auto;margin-left:auto}
  .nav-row{flex-direction:row;align-items:center;gap:.2rem;margin:0}
  .nav-row a,.group-button{padding:.4rem .6rem;white-space:nowrap}
  .group-list{
    position:absolute;top:100%;left:0;min-width:16rem;background:var(--card);
    border:1px solid var(--rule-strong);border-left-width:1px;border-radius:var(--radius);
    padding:.35rem;margin:0;z-index:30;box-shadow:0 6px 18px rgba(27,37,32,.12)
  }
  .group-list a{padding:.45rem .55rem;white-space:normal}
}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);line-height:1.22;color:var(--ink);margin:0 0 .55rem}
h1{font-size:2.05rem;letter-spacing:-.01em}
h2{font-size:1.5rem;margin-top:2.1rem}
h3{font-size:1.16rem;margin-top:1.5rem}
h4{font-size:1rem;margin-top:1.2rem}
p,li{font-size:1.02rem}
p{margin:0 0 var(--gap)}
main ul,main ol{margin:0 0 var(--gap);padding-left:1.35rem}
main li{margin-bottom:.4rem}
.lede{font-size:1.14rem;color:var(--ink-soft)}
.eyebrow{
  font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ochre);
  font-weight:700;margin:0 0 .5rem
}
.stamp{font-size:.86rem;color:var(--ink-soft)}

/* ---------- layout ---------- */
.band{padding:2.4rem 0;border-bottom:1px solid var(--rule)}
.band-tint{background:var(--tint)}
.band-card{background:var(--card)}
.prose{max-width:46rem}
.entry{display:grid;gap:2rem;padding:2.2rem 0;grid-template-columns:1fr}
@media (min-width:64rem){
  .entry{grid-template-columns:minmax(0,1fr) 17.5rem;gap:3rem;align-items:start}
}
.entry-body{min-width:0;max-width:44rem}
.railbox{
  background:var(--card);border:1px solid var(--rule-strong);border-radius:var(--radius);
  padding:1rem 1.1rem;margin-bottom:1.2rem
}
.railbox h2,.railbox h3{margin-top:0;font-size:1rem;text-transform:uppercase;letter-spacing:.06em;font-family:var(--font)}
.railbox ul{list-style:none;margin:0;padding:0}
.railbox li{margin-bottom:.45rem;font-size:.93rem;line-height:1.45}
@media (min-width:64rem){.entry-rail{position:sticky;top:1rem}}

/* ---------- components ---------- */
.disclosure{
  background:#fdf5e6;border:1px solid var(--ochre);border-left-width:5px;border-radius:var(--radius);
  padding:1.1rem 1.2rem;margin:1.6rem 0
}
.disclosure p:last-child{margin-bottom:0}
.disclosure h2{margin-top:0;font-size:1.1rem}

.aff-note{font-size:1rem;color:var(--ink);background:var(--tint);border-left:4px solid var(--ochre);padding:.7rem .9rem;margin:0 0 .7rem}
.aff-wrap{margin:1.4rem 0 1.8rem}
.button{
  display:inline-block;background:var(--pine);color:#fff;text-decoration:none;
  padding:.72rem 1.15rem;border-radius:var(--radius);font-weight:600;border:1px solid var(--pine-dark)
}
.button:hover{background:var(--pine-dark);color:#fff}

.callout{border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--card);padding:1.1rem 1.2rem;margin:1.5rem 0}
.callout h3{margin-top:0}
.callout p:last-child,.callout ul:last-child,.callout ol:last-child{margin-bottom:0}
.watch{background:#f6ecdf;border-color:#c9a274}
.method{background:#e9efe9;border-color:#9bb3a4}

.grid2{display:grid;gap:1.2rem;grid-template-columns:1fr}
@media (min-width:48rem){.grid2{grid-template-columns:1fr 1fr}}
.grid3{display:grid;gap:1.2rem;grid-template-columns:1fr}
@media (min-width:48rem){.grid3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:64rem){.grid3{grid-template-columns:repeat(3,1fr)}}

.index-card{background:var(--card);border:1px solid var(--rule-strong);border-radius:var(--radius);padding:1.1rem 1.2rem}
.index-card h3{margin-top:0}
.index-card ul{list-style:none;margin:0;padding:0}
.index-card li{margin-bottom:.55rem;font-size:.97rem}
.index-card p{font-size:.95rem;color:var(--ink-soft)}

.tablewrap{overflow-x:auto;margin:1.4rem 0;border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--card)}
table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.95rem}
caption{text-align:left;padding:.8rem 1rem;font-size:.9rem;color:var(--ink-soft);border-bottom:1px solid var(--rule)}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--rule);vertical-align:top}
th{background:var(--tint);font-family:var(--font);font-size:.88rem;text-transform:uppercase;letter-spacing:.05em}
tbody tr:last-child td{border-bottom:0}

dl.defs{margin:1.2rem 0}
dl.defs dt{font-weight:700;font-family:var(--serif);font-size:1.05rem;margin-top:1rem}
dl.defs dd{margin:.25rem 0 0;padding-left:0;color:var(--ink)}

.steps{counter-reset:step;list-style:none;padding-left:0}
.steps > li{position:relative;padding-left:2.4rem;margin-bottom:1rem}
.steps > li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:.1rem;width:1.7rem;height:1.7rem;border-radius:50%;
  background:var(--pine);color:#fff;display:grid;place-items:center;font-size:.9rem;font-weight:700
}
.checks{list-style:none;padding-left:0}
.checks > li{position:relative;padding-left:1.7rem;margin-bottom:.6rem}
.checks > li::before{content:"\2713";position:absolute;left:0;color:var(--pine);font-weight:700}

.timeline{list-style:none;padding-left:1.1rem;border-left:2px solid var(--rule-strong);margin:1.3rem 0}
.timeline > li{position:relative;margin-bottom:1.1rem;padding-left:.6rem}
.timeline > li::before{content:"";position:absolute;left:-1.55rem;top:.55rem;width:.6rem;height:.6rem;border-radius:50%;background:var(--ochre)}
.timeline strong{display:block;font-family:var(--serif)}

.qa{border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--card);margin:1.2rem 0}
.qa-item{border-bottom:1px solid var(--rule)}
.qa-item:last-child{border-bottom:0}
.qa-question{
  width:100%;text-align:left;background:none;border:0;font:inherit;font-weight:600;
  padding:.95rem 1.1rem;cursor:pointer;display:flex;justify-content:space-between;gap:1rem;color:var(--ink)
}
.qa-question .sign{color:var(--ochre);font-weight:700}
.qa-answer{padding:0 1.1rem 1rem}
.qa-answer p:last-child{margin-bottom:0}

.terms-strip{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0}
.terms-strip a{
  background:var(--card);border:1px solid var(--rule-strong);border-radius:var(--radius);
  padding:.3rem .6rem;font-size:.9rem;text-decoration:none
}
.terms-strip a:hover{background:var(--tint)}

.related{background:var(--tint);border-top:1px solid var(--rule-strong);padding:1.6rem 0 1.8rem;margin-top:2.4rem}
.related h2{margin-top:0;font-size:1.2rem}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
@media (min-width:48rem){.related ul{grid-template-columns:1fr 1fr}}

.figure{margin:1.6rem 0;border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--card);padding:1rem}
.figure svg{display:block;width:100%;height:auto}
.figure figcaption{font-size:.88rem;color:var(--ink-soft);margin-top:.6rem}

/* ---------- hero ---------- */
.hero{background:var(--pine);color:#f2efe6;padding:2.6rem 0 2.2rem}
.hero h1{color:#fffdf7;max-width:36rem}
.hero p{color:#dfe7df;max-width:44rem}
.hero .eyebrow{color:#e7c69a}
.hero-cols{display:grid;gap:1.6rem;grid-template-columns:1fr}
@media (min-width:60rem){.hero-cols{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:start}}
.hero-contents{background:#164033;border:1px solid #2d6350;border-radius:var(--radius);padding:1.1rem 1.2rem}
.hero-contents h2{color:#fffdf7;font-family:var(--font);font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;margin-top:0}
.hero-contents ol{margin:0;padding-left:1.2rem}
.hero-contents li{margin-bottom:.4rem;font-size:.95rem}
.hero-contents a{color:#f2efe6}

/* ---------- footer ---------- */
.sitefoot{background:var(--pine-dark);color:#e6e3d8;padding:2.2rem 0 2.6rem;font-size:.93rem}
.sitefoot a{color:#f0ecdf}
.publisher p{margin:0 0 .25rem}
.pub-site{font-family:var(--serif);font-size:1.15rem;font-weight:700;color:#fffdf7;margin-bottom:.5rem!important}
.footlinks{margin:1.1rem 0 .9rem;line-height:2}
.trademark{max-width:58rem;color:#cfd6cd;margin:0 0 .7rem;font-size:.9rem}
.reviewed{margin:0;color:#cfd6cd;font-size:.9rem}