/* ============================================================
   Westford Advisors — shared stylesheet
   Carbon coin advisory, est. 2036. See charter.html for origin.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --white: #f7f7f6;
  --white-deep: #ececea;
  --ink: #141414;
  --swiss-red: #d52b1e;
  --red-deep: #a81f16;
  --verified: #1e7a4c;
  --line: #dcdcda;

  --font-display: "IBM Plex Sans", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --max: 1140px;
  --pad: clamp(20px, 5vw, 64px);
}

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

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  margin: 0 0 0.5em;
  color: var(--ink);
}
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); }
h2 { font-size: clamp(1.4rem, 2.8vw, 1.9rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.2rem); }

p { margin: 0 0 1.1em; color: var(--ink); opacity: 0.82; max-width: 62ch; }
a { color: var(--red-deep); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { color: var(--ink); }

main { scroll-margin-top: 46px; }

.label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
  color: var(--red-deep);
}

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }

.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--ink); color: var(--white);
  padding: 10px 16px; z-index: 100; text-decoration: none;
  font-family: var(--font-mono); font-size: 0.8rem;
}
.skip-link:focus { left: 16px; top: 16px; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, label:focus-visible, .nav-toggle-label:focus-visible {
  outline: 2px solid var(--red-deep);
  outline-offset: 2px;
}

/* ---------- Header / Nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 3px solid var(--ink); background: var(--white); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding-block: 14px; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { flex-shrink: 0; color: var(--swiss-red); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.brand-sub { font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); opacity: 0.5; margin-top: 3px; }

nav.primary-nav { display: flex; align-items: center; gap: 22px; }
nav.primary-nav a {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.01em;
  text-decoration: none; color: var(--ink); padding-bottom: 3px; border-bottom: 2px solid transparent;
}
nav.primary-nav a:hover, nav.primary-nav a[aria-current="page"] { border-bottom-color: var(--swiss-red); color: var(--red-deep); }
.nav-cta { background: var(--ink); color: var(--white) !important; padding: 8px 15px; border-bottom: none !important; }
.nav-cta:hover { background: var(--swiss-red); color: var(--white) !important; }

.nav-toggle { display: none; }
.nav-toggle-label { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-toggle-label span { display: block; width: 22px; height: 2px; background: var(--ink); }

/* ---------- Ticker (ambient data strip — not a stat showcase) ---------- */
.ticker { background: var(--ink); color: var(--white); border-bottom: 3px solid var(--swiss-red); padding-block: 8px; overflow-x: auto; }
.ticker-row { display: flex; gap: 0; font-family: var(--font-mono); font-size: 0.74rem; white-space: nowrap; width: max-content; margin-inline: auto; padding-inline: var(--pad); }
.ticker-item { padding-inline: 18px; border-right: 1px solid rgba(247,247,246,0.22); }
.ticker-item:last-child { border-right: none; }
.t-label { opacity: 0.55; margin-right: 7px; }
.t-value { color: #ff6b5e; font-weight: 700; }

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-block; font-family: var(--font-mono); font-size: 0.8rem;
  text-decoration: none; padding: 12px 22px; border: 2px solid var(--ink);
  transition: background-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--ink); color: var(--white); cursor: pointer; }
.btn-primary:hover { background: var(--swiss-red); border-color: var(--swiss-red); }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--white); }
.text-link { font-family: var(--font-mono); font-size: 0.82rem; }

/* ---------- Opening (quiet — no hero banner) ---------- */
.opening { padding-block: clamp(48px, 8vw, 84px) clamp(38px, 6vw, 60px); border-bottom: 1px solid var(--line); }
.opening h1 { max-width: 19ch; }
.opening .lede { max-width: 60ch; }
.cta-row { display: flex; gap: 16px; margin-top: 24px; flex-wrap: wrap; align-items: center; }

/* ---------- Sections ---------- */
section { padding-block: clamp(44px, 7vw, 80px); }
.alt-bg { background: var(--white-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 660px; margin-bottom: 34px; }
.section-head .label { display: block; margin-bottom: 12px; }

/* Ledger entries (Services) */
.ledger { border-top: 2px solid var(--ink); }
.ledger-entry { border-bottom: 1px solid var(--line); padding-block: 26px; }
.ledger-head { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink); opacity: 0.55; margin-bottom: 10px; }
.ledger-status { display: inline-flex; align-items: center; gap: 5px; color: var(--verified); opacity: 1; font-weight: 700; }
.ledger-status::before { content: "\2713"; }
.ledger-entry h3 { margin: 4px 0 8px; }

/* Chain blocks (verification sequence — a real sequence, so linked/ordered) */
.chain { border-left: 3px solid var(--ink); margin-left: 8px; }
.chain-block { position: relative; padding: 22px 0 22px 30px; border-bottom: 1px dashed var(--line); }
.chain-block:last-child { border-bottom: none; }
.chain-block::before {
  content: ""; position: absolute; left: -9px; top: 27px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--swiss-red); border: 3px solid var(--white); box-shadow: 0 0 0 2px var(--ink);
}
.chain-block .block-meta { font-family: var(--font-mono); font-size: 0.7rem; opacity: 0.55; margin-bottom: 6px; }

/* Signatory list (Team) */
.signatory-list { border-top: 2px solid var(--ink); }
.signatory { padding-block: 26px; border-bottom: 1px solid var(--line); }
.sig-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.sig-role { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--red-deep); display: block; margin: 2px 0 10px; }
.sig-line { margin-top: 12px; padding-top: 8px; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.66rem; opacity: 0.5; }

/* Principles (Charter) */
.principle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.principle { background: var(--white); padding: 24px 22px; }
.principle-index { font-family: var(--font-mono); font-size: 0.68rem; opacity: 0.55; }
.principle h3 { margin: 6px 0 8px; font-size: 1.02rem; }

/* Dispatches */
.dispatch { border-bottom: 1px solid var(--line); padding-block: 24px; }
.dispatch-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--red-deep); text-transform: uppercase; letter-spacing: 0.02em; display: block; margin-bottom: 8px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 46px; align-items: start; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-grid .full { grid-column: 1 / -1; }
label { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--red-deep); display: block; margin-bottom: 5px; }
input, textarea, select {
  width: 100%; border: 2px solid var(--ink); background: var(--white); padding: 10px 12px;
  font-family: var(--font-display); font-size: 1rem; color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--red-deep); outline-offset: 1px; }

/* ---------- Footer ---------- */
footer.site-footer { border-top: 3px solid var(--ink); padding-block: 30px; }
footer.site-footer a { color: var(--ink); opacity: 0.7; }
footer.site-footer a:hover { opacity: 1; color: var(--red-deep); }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.76rem; }
.footer-meta { font-family: var(--font-mono); font-size: 0.74rem; opacity: 0.6; text-align: right; }
.footer-bottom { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.66rem; opacity: 0.5; }

/* ---------- 404 ---------- */
.error-page { padding-block: 96px 116px; border-bottom: none; }

/* ---------- Reduced motion / accessibility floor ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle-label { display: flex; }
  nav.primary-nav {
    position: fixed; top: 57px; left: 0; right: 0; z-index: 45;
    background: var(--white); flex-direction: column; align-items: flex-start;
    padding: 20px var(--pad) 26px; gap: 16px;
    transform: translateY(-120%); transition: transform .25s ease;
    border-bottom: 3px solid var(--ink);
  }
  .nav-toggle:checked ~ nav.primary-nav { transform: translateY(0); }
  .principle-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
  .footer-meta { text-align: left; }
}