:root {
  --bg: #f4f1ea;
  --bg-2: #ebe6db;
  --paper: #fffdf8;
  --ink: #0b1f33;
  --text: #1c2a38;
  --muted: #5a6673;
  --line: #ddd6c8;
  --teal: #0f766e;
  --teal-deep: #115e59;
  --teal-wash: rgba(15, 118, 110, .1);
  --amber: #c2410c;
  --amber-deep: #9a3412;
  --ok: #047857;
  --danger: #b91c1c;
  --radius: 16px;
  --shadow: 0 18px 50px rgba(11, 31, 51, .1);
  --sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; overflow-x: hidden; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; }
a { color: var(--teal-deep); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.wrap { width: min(1120px, 100%); margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--teal); color: #fff; padding: .75rem 1rem; z-index: 50;
}
.skip:focus { left: 1rem; top: 1rem; }

.strip {
  background: var(--ink);
  color: #d7e4e2;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 600;
}
.strip .wrap { display: flex; justify-content: space-between; gap: .8rem; flex-wrap: wrap; padding: .5rem 1rem; }

header.site {
  position: sticky; top: 0; z-index: 30;
  background: rgba(244, 241, 234, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; }
.brand {
  display: flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--ink);
  font-weight: 800; letter-spacing: -.03em; font-size: 1.02rem;
}
.brand span span { color: var(--teal); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--ink); color: #5eead4;
  display: grid; place-items: center;
}
.nav-toggle {
  display: none; border: 1px solid var(--line); background: var(--paper);
  border-radius: 999px; padding: .4rem .85rem; font: 600 .8rem var(--sans); cursor: pointer;
}
.nav-links { display: flex; align-items: center; gap: .95rem; flex-wrap: wrap; }
.nav-links > a:not(.btn) {
  color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 600;
}
.nav-links > a:not(.btn):hover, .nav-links a.is-active { color: var(--ink); }
.nav-drop { position: relative; }
.nav-drop summary {
  list-style: none; cursor: pointer; font-size: .9rem; font-weight: 600; color: var(--muted);
}
.nav-drop summary::-webkit-details-marker { display: none; }
.nav-drop div {
  position: absolute; top: 1.6rem; right: 0; min-width: 220px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: .5rem; z-index: 20;
  display: flex; flex-direction: column; gap: .15rem;
}
.nav-drop a {
  text-decoration: none; color: var(--ink); font-size: .88rem; font-weight: 600;
  padding: .45rem .6rem; border-radius: 8px;
}
.nav-drop a:hover { background: var(--teal-wash); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: none; cursor: pointer; border-radius: 999px;
  padding: .9rem 1.35rem; font: 700 .82rem/1.1 var(--sans);
  letter-spacing: .03em; text-decoration: none; transition: transform .2s, background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary, .btn-nav {
  background: var(--amber); color: #fff;
  box-shadow: 0 8px 24px rgba(194, 65, 12, .28);
}
.btn-primary:hover, .btn-nav:hover { background: var(--amber-deep); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--teal); background: var(--teal-wash); color: var(--ink); }
.nav .btn { padding: .5rem .95rem; font-size: .78rem; }

.disclosure {
  margin-top: 1.6rem; margin-bottom: 1.2rem;
  background: #fff7ed; border: 1px solid #fed7aa; border-radius: 12px;
  padding: .7rem .9rem; font-size: .86rem; color: #7c2d12;
}
.disclosure a { color: #9a3412; }

.hero { padding: 1.4rem 0 1.8rem; }
.crumbs {
  display: flex; flex-wrap: wrap; gap: .35rem .55rem;
  font-size: .82rem; color: var(--muted); margin-bottom: 1.1rem;
}
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.kicker {
  font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal); font-weight: 700;
}
h1 {
  margin-top: .5rem; color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  line-height: 1.12; letter-spacing: -.03em; font-weight: 700; text-wrap: balance;
}
h2 {
  margin: 2.15rem 0 .55rem; color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.28rem, 2.5vw, 1.62rem);
  letter-spacing: -.02em; line-height: 1.25;
}
h3 { margin: 1.35rem 0 .4rem; font-size: 1.05rem; color: var(--ink); }
.lede { font-size: 1.08rem; color: var(--text); margin-top: .85rem; max-width: 46rem; }
.standfirst {
  font-size: 1.02rem; color: var(--ink); font-weight: 650;
  margin: 0 0 1rem; max-width: 46rem;
}
p { color: var(--muted); }
.prose p + p, .prose ul + p, .prose p + ul { margin-top: .85rem; }
.prose p strong, .prose li strong { color: var(--ink); }
.prose ul, .prose ol { margin: .7rem 0 0 1.15rem; color: var(--muted); }
.prose li + li { margin-top: .4rem; }
.article { padding-bottom: 3.5rem; }
.article-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2.2rem; align-items: start;
}

.quick-answer {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: 14px;
  padding: 1.05rem 1.15rem;
  margin: 1.2rem 0 1.4rem;
  box-shadow: var(--shadow);
}
.quick-answer p { color: var(--text); }
.quick-answer .kicker { margin-bottom: .35rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.fine { font-size: .8rem; color: var(--muted); margin-top: .65rem; }

.meta-row {
  display: flex; flex-wrap: wrap; gap: .6rem 1.1rem;
  font-size: .86rem; color: var(--muted); margin-top: 1rem;
}
.meta-row a { color: var(--ink); font-weight: 650; text-decoration: none; }

.table-wrap { overflow-x: auto; margin: 1rem 0 1.4rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 640px; }
th, td { text-align: left; padding: .75rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--ink); color: #e7f3f1; font-weight: 650; }
tr:last-child td { border-bottom: 0; }
td strong { color: var(--ink); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; margin: 1.1rem 0 1.5rem; }
.panel { border-radius: 14px; padding: 1rem 1.1rem; background: var(--paper); border: 1px solid var(--line); }
.panel h3 { margin-top: 0; }
.panel-yes { border-top: 4px solid var(--ok); }
.panel-no { border-top: 4px solid var(--danger); }

.takeaways {
  background: var(--ink); color: #dbe7e5;
  border-radius: 16px; padding: 1.15rem 1.25rem; margin: 1.4rem 0;
}
.takeaways h2, .takeaways h3 { color: #fff; margin-top: 0; }
.takeaways li { color: #dbe7e5; }
.takeaways strong { color: #fff; }

.cta-band {
  background: linear-gradient(160deg, #0b1f33, #134e4a);
  color: #e7f3f1; border-radius: 18px; padding: 1.5rem 1.4rem; margin: 2rem 0;
}
.cta-band h2 { color: #fff; margin-top: .3rem; }
.cta-band p { color: #cde4e0; }
.cta-band .fine, .cta-band .fine a { color: #9ec8c2; }
.cta-band .btn-ghost { color: #fff; border-color: rgba(255,255,255,.3); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .85rem; margin-top: 1rem; }
.card {
  display: flex; flex-direction: column; gap: .35rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem; text-decoration: none; color: var(--muted);
  box-shadow: 0 1px 0 rgba(11,31,51,.03);
}
.card:hover { border-color: var(--teal); color: var(--muted); }
.card strong { color: var(--ink); font-size: 1.02rem; }

.faq { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: .85rem 1rem; margin-top: .55rem; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); }
.faq p { margin-top: .45rem; }

.rail {
  position: sticky; top: 5.4rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 1rem;
}
.rail h2 { font-size: 1rem; margin: 0 0 .6rem; font-family: var(--sans); }
.rail ol { margin-left: 1.1rem; color: var(--muted); font-size: .88rem; }
.rail a { color: var(--ink); text-decoration: none; }
.author-box {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem; margin: 1.6rem 0;
}
.author-mark {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: var(--ink); color: #5eead4; display: grid; place-items: center;
  font-weight: 800; font-family: var(--serif);
}
.method {
  background: var(--bg-2); border-radius: 14px; padding: 1rem 1.1rem; margin: 1.2rem 0;
  border: 1px dashed var(--line);
}
.method h2, .method h3 { margin-top: 0; }

.site-footer { background: var(--ink); color: #c5d4d1; padding: 2.4rem 0 1.4rem; margin-top: 1rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 1.5rem; }
.site-footer h2 { color: #fff; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 .6rem; font-family: var(--sans); }
.site-footer a { color: #d7ece8; }
.site-footer ul { list-style: none; margin: 0; }
.site-footer li + li { margin-top: .35rem; }
.footer-brand { color: #fff; font-weight: 800; font-size: 1.05rem; margin-bottom: .5rem; }
.footer-brand span { color: #5eead4; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.6rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .82rem; }

.form { display: grid; gap: .7rem; max-width: 32rem; }
label { font-weight: 650; color: var(--ink); font-size: .9rem; }
input, textarea {
  width: 100%; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 10px;
  font: 1rem var(--sans); background: var(--paper);
}
.hp { position: absolute; left: -9999px; }
.flash { padding: .8rem 1rem; border-radius: 12px; margin-bottom: 1rem; }
.flash-ok { background: #ecfdf5; color: #065f46; }
.flash-err { background: #fef2f2; color: #991b1b; }

@media (max-width: 900px) {
  .article-grid, .footer-grid, .split { grid-template-columns: 1fr; }
  .rail { position: static; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: .8rem 1rem 1rem; flex-direction: column; align-items: stretch;
  }
  header.site { position: sticky; }
  .nav-links.is-open { display: flex; }
  .nav-drop div { position: static; box-shadow: none; min-width: 0; }
}