/* ── THE FILING — shared styles ── */
:root {
  --ink: #0F0F0E;
  --ink-2: #3A3A38;
  --ink-3: #6B6B68;
  --ink-4: #9B9B97;
  --paper: #FAF9F6;
  --paper-2: #F2F0EB;
  --paper-3: #E8E5DE;
  --rule: #DDD9D0;
  --blue: #1A4F8A;
  --blue-light: #EAF0F9;
  --green: #1A6B4A;
  --green-light: #E6F4ED;
  --purple: #4A3F8F;
  --purple-light: #EEEDF9;
  --red: #8A2A1A;
  --red-light: #F9EDEA;
  --amber: #8A5A0A;
  --amber-light: #F9F3E6;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'DM Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* NAV */
.nav {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; max-width: 1120px; margin: 0 auto; padding: 0 1.5rem;
}
.nav-brand {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 600;
  color: var(--ink); text-decoration: none; letter-spacing: -.01em;
}
.nav-brand span {
  font-family: var(--mono); font-size: .65rem; font-weight: 400;
  color: var(--ink-4); letter-spacing: .04em; text-transform: uppercase;
  margin-left: .5rem; vertical-align: middle;
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link {
  font-size: .8125rem; color: var(--ink-3); text-decoration: none;
  letter-spacing: .01em; transition: color .15s;
}
.nav-link:hover { color: var(--ink); }
.nav-cta {
  font-size: .8125rem; font-weight: 500; padding: .4rem 1rem;
  border: 1px solid var(--ink); border-radius: 2px; color: var(--ink);
  text-decoration: none; transition: background .15s, color .15s;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }
.nav-hamburger {
  display: none; flex-direction: column; gap: 4px;
  cursor: pointer; padding: 4px;
}
.nav-hamburger span { display: block; width: 22px; height: 1.5px; background: var(--ink); }
.mobile-menu {
  display: none; flex-direction: column;
  border-top: 1px solid var(--rule); background: var(--paper);
  padding: 1rem 1.5rem; gap: .75rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: .9375rem; color: var(--ink-2); text-decoration: none;
  padding: .5rem 0; border-bottom: 1px solid var(--rule);
}
.mobile-menu a:last-child { border-bottom: none; }

/* FOOTER */
.footer { padding: 2rem 0; background: var(--paper); border-top: 1px solid var(--rule); }
.footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-brand { font-family: var(--serif); font-size: 1rem; font-weight: 500; color: var(--ink); }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-link { font-size: .8125rem; color: var(--ink-3); text-decoration: none; }
.footer-link:hover { color: var(--ink); }
.footer-legal { font-size: .6875rem; color: var(--ink-4); }

/* BADGES */
.badge {
  display: inline-block; font-family: var(--mono); font-size: .5625rem;
  font-weight: 500; letter-spacing: .05em; text-transform: uppercase;
  padding: .2rem .5rem; border-radius: 2px;
}
.badge-8k { background: var(--amber-light); color: var(--amber); }
.badge-10q { background: var(--green-light); color: var(--green); }
.badge-10k { background: #EAF3DE; color: #2D6A1A; }

/* SUBSCRIBE STRIP */
.sub-strip { padding: 3rem 0; border-top: 1px solid var(--rule); text-align: center; }
.sub-strip h2 {
  font-family: var(--serif); font-size: 1.75rem; font-weight: 500;
  letter-spacing: -.01em; margin-bottom: .625rem;
}
.sub-strip p {
  font-size: .9375rem; color: var(--ink-3); margin-bottom: 1.5rem;
  max-width: 420px; margin-left: auto; margin-right: auto; line-height: 1.7;
}
.sub-form {
  display: flex; gap: .5rem; justify-content: center;
  max-width: 400px; margin: 0 auto;
}
.sub-form input {
  flex: 1; font-family: var(--sans); font-size: .875rem;
  padding: .65rem 1rem; border: 1px solid var(--rule); border-radius: 2px;
  background: var(--paper); color: var(--ink); outline: none;
}
.sub-form input:focus { border-color: var(--ink-3); }
.sub-form button {
  font-family: var(--sans); font-size: .875rem; font-weight: 500;
  padding: .65rem 1.25rem; background: var(--ink); color: var(--paper);
  border: none; border-radius: 2px; cursor: pointer; white-space: nowrap;
}
.sub-form button:hover { opacity: .85; }
.sub-note { font-size: .75rem; color: var(--ink-4); margin-top: .5rem; }

/* MOBILE */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .sub-form { flex-direction: column; }
  .sub-form input, .sub-form button { width: 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: .75rem; }
}