:root {
  --ground: #f4f5f2;
  --panel: #ffffff;
  --ink: #15191c;
  --ink-soft: #4c555d;
  --ink-faint: #7a838c;
  --line: #dcdfd9;
  --line-soft: #e9ebe6;
  --pine: #124c43;
  --pine-soft: #e2ece9;
  --amber: #b26407;
  --amber-soft: #fbeee0;
  --shadow: 0 1px 2px rgba(20, 26, 25, 0.05), 0 8px 20px -12px rgba(20, 26, 25, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 200ms;
  --r: 4px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  font-feature-settings: "ss01" 1;
}

h1, h2, h3 { line-height: 1.14; letter-spacing: -0.018em; margin: 0; }
h1 { font-size: clamp(2.05rem, 1.4rem + 2.5vw, 3.35rem); font-weight: 620; }
h2 { font-size: clamp(1.32rem, 1.1rem + 0.8vw, 1.72rem); font-weight: 600; }
h3 { font-size: 1.09rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; }
a { color: var(--pine); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--amber); }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--pine); color: #fff;
  padding: 0.6rem 1rem; z-index: 9; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }

/* ---- header ---------------------------------------------------------------- */

.top {
  position: sticky; top: 0; z-index: 5;
  background: rgba(244, 245, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar {
  max-width: 1120px; margin: 0 auto; padding: 0.7rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 620; letter-spacing: -0.015em; color: var(--ink); text-decoration: none;
  font-size: 1.02rem;
}
.brand .mark {
  display: inline-grid; place-items: center;
  width: 2rem; height: 2rem; border-radius: var(--r);
  background: var(--pine); color: #eaf3f1;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
}
.menu { margin-left: auto; display: flex; flex-wrap: wrap; gap: 0.15rem; }
.menu a {
  font-size: 0.81rem; letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none; padding: 0.4rem 0.6rem;
  border-radius: var(--r); border: 1px solid transparent;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease),
    border-color var(--t) var(--ease);
}
.menu a:hover { color: var(--ink); background: var(--panel); border-color: var(--line); }
.menu a[aria-current="page"] { color: var(--pine); border-color: var(--line); background: var(--panel); }

/* ---- layout ---------------------------------------------------------------- */

.shell { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem 4rem; }

.page-hero {
  padding: 3.2rem 0 2.2rem;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    to right, var(--line-soft) 0 1px, transparent 1px 96px
  );
}
.crumb-line {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1.4rem;
}
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--pine); background: var(--pine-soft);
  padding: 0.28rem 0.6rem; border-radius: var(--r); margin-bottom: 1rem;
}
.lede { font-size: clamp(1.06rem, 1rem + 0.3vw, 1.2rem); color: var(--ink-soft); max-width: 62ch; margin-top: 1.1rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.5rem; }

.band { padding: 2.6rem 0; border-bottom: 1px solid var(--line-soft); }
.band:last-of-type { border-bottom: 0; }
.band-title { margin-bottom: 0.6rem; }
.band-lede { color: var(--ink-soft); max-width: 66ch; margin-bottom: 1.8rem; }
.prose { max-width: 68ch; }
.prose h2 { margin: 1.8rem 0 0.6rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 1.3rem 0 0.4rem; }

/* ---- buttons --------------------------------------------------------------- */

.btn {
  display: inline-block; background: var(--pine); color: #f2f8f6; text-decoration: none;
  font-weight: 560; font-size: 0.94rem; padding: 0.72rem 1.15rem; border-radius: var(--r);
  border: 1px solid var(--pine);
  transition: transform var(--t) var(--ease), background-color var(--t) var(--ease),
    opacity var(--t) var(--ease);
}
.btn:hover { background: #0d3b34; color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 0.92; }

.ghost {
  display: inline-block; background: transparent; color: var(--ink); text-decoration: none;
  font-weight: 540; font-size: 0.94rem; padding: 0.72rem 1.05rem; border-radius: var(--r);
  border: 1px solid var(--line);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.ghost:hover { border-color: var(--ink-faint); transform: translateY(-1px); }

.text-link { font-weight: 540; }

/* ---- metrics --------------------------------------------------------------- */

.metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; margin-bottom: 2.2rem;
}
.metric { background: var(--panel); padding: 1.1rem 1.15rem; }
.kpi {
  display: block; font-size: 1.42rem; font-weight: 600; color: var(--pine);
  letter-spacing: -0.02em; margin-bottom: 0.25rem;
}
.metric-label { font-size: 0.84rem; color: var(--ink-soft); line-height: 1.45; }

/* ---- control strip --------------------------------------------------------- */

.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.9rem; }
.strip-card {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--pine);
  border-radius: var(--r); padding: 1.1rem 1.1rem 1rem; box-shadow: var(--shadow);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.strip-card:hover { transform: translateY(-2px); }
.strip-card h3 { margin-bottom: 0.7rem; }
.strip-n {
  display: block; font-size: 0.74rem; letter-spacing: 0.12em; color: var(--ink-faint);
  margin-bottom: 0.5rem;
}
.spec { margin: 0; font-size: 0.82rem; }
.spec dt {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); margin-top: 0.55rem;
}
.spec dd { margin: 0.1rem 0 0; color: var(--ink-soft); }

/* ---- cards ----------------------------------------------------------------- */

.grid { display: grid; gap: 0.9rem; }
.grid.three { grid-template-columns: repeat(3, 1fr); margin-top: 1.9rem; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.15rem 1.15rem 1.05rem; box-shadow: var(--shadow);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: var(--line-soft); }
.card h3 { margin: 0.5rem 0 0.45rem; }
.card p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 0.7rem; }
.tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber); background: var(--amber-soft); padding: 0.2rem 0.45rem; border-radius: 3px;
}

/* ---- table ----------------------------------------------------------------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); margin: 1.9rem 0; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table caption {
  text-align: left; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint); padding: 0.8rem 1rem 0.6rem;
  border-bottom: 1px solid var(--line-soft);
}
.table th, .table td { text-align: left; padding: 0.62rem 1rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.table thead th {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); font-weight: 500; background: #fbfbf9;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: #fbfcfa; }
.table td:first-child { color: var(--ink); font-weight: 500; }

.pill {
  display: inline-block; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 0.16rem 0.45rem; border-radius: 3px; white-space: nowrap;
}
.pill-yes, .pill-strong, .pill-hard-block { background: var(--pine); color: #eef6f4; }
.pill-no, .pill-none { background: #eceeea; color: var(--ink-faint); }
.pill-medium { background: var(--amber-soft); color: var(--amber); }
.pill-informational { background: #eef0ee; color: var(--ink-soft); }

/* ---- steps ----------------------------------------------------------------- */

.steps { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: 0.7rem; }
.step {
  display: grid; grid-template-columns: 3rem 1fr; gap: 0.9rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1rem 1.1rem; transition: transform var(--t) var(--ease);
}
.step:hover { transform: translateY(-1px); }
.step-n {
  font-family: var(--mono); font-size: 0.86rem; color: var(--pine); letter-spacing: 0.06em;
  border-right: 1px solid var(--line-soft); padding-top: 0.15rem;
}
.step h3 { margin: 0 0 0.3rem; }
.step p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ---- notes & disclosure ---------------------------------------------------- */

.note {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--amber);
  border-radius: var(--r); padding: 1rem 1.15rem; margin: 1.8rem 0 0; max-width: 72ch;
}
.note p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }
.note-tag {
  display: block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--amber); margin-bottom: 0.45rem;
}
.disclosure {
  font-size: 0.86rem; color: var(--ink-soft); background: var(--pine-soft);
  border-radius: var(--r); padding: 0.95rem 1.1rem; margin: 1.8rem 0 0; max-width: 76ch;
}
.disclosure strong { color: var(--ink); }

/* ---- faq ------------------------------------------------------------------- */

.accordion { display: grid; gap: 0.6rem; }
.qa {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 0.15rem 1.1rem; transition: border-color var(--t) var(--ease);
}
.qa:hover { border-color: var(--line-soft); }
.qa summary {
  display: flex; gap: 0.75rem; align-items: baseline;
  padding: 0.85rem 0; cursor: pointer; font-weight: 560; list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa-n { font-size: 0.74rem; color: var(--amber); letter-spacing: 0.08em; }
.qa-a { padding: 0 0 1rem 1.6rem; }
.qa-a p { margin: 0; font-size: 0.93rem; color: var(--ink-soft); }

/* ---- footer ---------------------------------------------------------------- */

.footer { border-top: 1px solid var(--line); background: var(--panel); }
.foot-grid {
  max-width: 1120px; margin: 0 auto; padding: 2.4rem 1.25rem 1rem;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem;
}
.foot-grid > div { display: flex; flex-direction: column; gap: 0.35rem; }
.foot-grid strong {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint); font-weight: 500; margin-bottom: 0.4rem;
}
.footer a { font-size: 0.9rem; text-decoration: none; color: var(--ink-soft); }
.footer a:hover { color: var(--pine); text-decoration: underline; }
.footer p { font-size: 0.88rem; color: var(--ink-soft); }
.fine {
  max-width: 1120px; margin: 0 auto; padding: 0 1.25rem 2.4rem;
  font-size: 0.78rem; color: var(--ink-faint); line-height: 1.6;
}

/* ---- responsive ------------------------------------------------------------ */

@media (max-width: 900px) {
  .strip, .grid.three, .metrics { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .strip, .grid.three, .metrics, .foot-grid { grid-template-columns: 1fr; }
  .bar { flex-wrap: wrap; }
  .menu { width: 100%; }
  .step { grid-template-columns: 2.2rem 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
  .strip-card:hover, .card:hover, .btn:hover, .ghost:hover, .step:hover { transform: none; }
}