:root {
  --ink: #0E1116;
  --ink-soft: #2a2f38;
  --grey: #5a6373;
  --grey-light: #c4cad4;
  --paper: #ffffff;
  --paper-warm: #fafaf8;
  --bg-deep: #0f1419;
  --acc: #7c9e87;
  --acc-dim: #4a7c59;
  --acc-soft: #e8f0ea;
  --warm: #c8a96e;
  --radius: 6px;
  --max-width: 720px;
  --max-width-wide: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper-warm);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--acc-dim); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); margin: 2rem 0 0.8rem; }
h1 { font-size: 2.4rem; margin-top: 0; }
h2 { font-size: 1.55rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; }
small { font-size: 0.875rem; color: var(--grey); }
em { font-style: italic; }

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

/* nav */
.nav { border-bottom: 1px solid var(--grey-light); background: var(--paper); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; padding: 0.9rem 0; flex-wrap: wrap; gap: 0.5rem; }
.nav a.brand { font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; }
.brand-mark { display: inline-block; width: 22px; height: 22px; background-color: var(--acc-dim); border-radius: 50%; }
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.nav-links a:hover { color: var(--acc-dim); }

/* hero */
.hero { padding: 4.5rem 0 3rem; border-bottom: 1px solid var(--grey-light); background: var(--paper); }
.hero-inner { position: relative; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--acc-dim); background: var(--acc-soft); padding: 0.25rem 0.6rem;
  border-radius: 999px; margin-bottom: 1.25rem; font-weight: 600;
}
.hero h1 { font-size: 2.6rem; max-width: 22em; margin-bottom: 0.75rem; }
.hero .lede { font-size: 1.18rem; color: var(--ink-soft); max-width: 34em; }
.cta-row { margin-top: 1.75rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 0.7rem 1.2rem; border-radius: var(--radius);
  text-decoration: none; font-weight: 600; font-size: 0.98rem;
  border: 1.5px solid transparent; transition: transform 0.05s;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-secondary { background: transparent; color: var(--acc-dim); border-color: var(--acc-dim); }
.btn-secondary:hover { background: var(--acc-soft); }
.btn-outline { background: transparent; color: var(--grey); border-color: var(--grey-light); }
.btn-outline:hover { border-color: var(--grey); color: var(--ink); }
.btn-accent { background: var(--acc-dim); color: #fff; border-color: var(--acc-dim); }
.btn-accent:hover { background: #3a6b48; }

/* sections */
section { padding: 3rem 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--grey-light); border-bottom: 1px solid var(--grey-light); }

/* feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.25rem; margin: 2rem 0; }
.card { background: var(--paper); border: 1px solid var(--grey-light); border-radius: var(--radius); padding: 1.4rem; }
.card:hover { border-color: var(--acc); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* newsletter */
.newsletter-section { padding: 0; }
.newsletter-section.alt { padding: 0; }
.newsletter { padding: 2.5rem 0; }
.newsletter h2 { margin-top: 0; }
.newsletter p { color: var(--ink-soft); max-width: 36em; }
.nl-form { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; max-width: 440px; }
.nl-form input[type='email'] {
  flex: 1; min-width: 200px; padding: 0.6rem 1rem;
  border: 1.5px solid var(--grey-light); border-radius: var(--radius);
  font-size: 0.95rem; background: var(--paper); color: var(--ink);
  outline: none; transition: border-color 0.15s;
}
.nl-form input[type='email']:focus { border-color: var(--acc-dim); }
#kd-nl-note { display: block; margin-top: 0.6rem; }

/* footer */
footer { border-top: 1px solid var(--grey-light); padding: 2.5rem 0 3rem; background: var(--paper); font-size: 0.9rem; color: var(--grey); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.footer-brand p { margin: 0.25rem 0 0; color: var(--grey); }
.footer-links h4 { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); margin: 0 0 0.5rem; }
.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.3rem; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--acc-dim); }

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .footer-inner { grid-template-columns: 1fr; }
}

:focus-visible { outline: 3px solid var(--acc); outline-offset: 2px; border-radius: 3px; }