/* ============================================================
   Orion Contingency Group Inc. — site.css
   Brand V1: Calibri / Gold #C4972F / Dark #1E1E1E / Body #333333
   ============================================================ */

:root {
  /* Palette */
  --ink:        #1E1E1E;   /* brand dark */
  --body:       #333333;   /* brand body text */
  --gold:       #C4972F;   /* brand primary gold — DARK BACKGROUNDS ONLY (6.2:1 on --ink) */
  --gold-deep:  #8A6A1F;   /* gold for text/rules on light (5.0:1 on white) */
  --paper:      #FFFFFF;
  --paper-warm: #F7F6F3;
  --rule:       #D8D4CC;
  --muted:      #5C5C5C;   /* 7.0:1 on white */

  /* Type */
  --font-ui: Calibri, Carlito, "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Mono", Consolas, "SF Mono", ui-monospace, monospace;

  --step--1: clamp(0.80rem, 0.78rem + 0.10vw, 0.86rem);
  --step-0:  clamp(1.00rem, 0.96rem + 0.20vw, 1.10rem);
  --step-1:  clamp(1.20rem, 1.12rem + 0.40vw, 1.40rem);
  --step-2:  clamp(1.55rem, 1.34rem + 0.80vw, 2.00rem);
  --step-3:  clamp(1.95rem, 1.62rem + 1.65vw, 2.90rem);
  --step-4:  clamp(2.40rem, 1.80rem + 3.00vw, 4.20rem);

  --measure: 68ch;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --shell: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--body);
  background: var(--paper);
}

img { max-width: 100%; height: auto; display: block; }

/* ---------- Focus + skip link (accessibility floor) ---------- */

:focus-visible {
  outline: 3px solid var(--gold-deep);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout shell ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(3rem, 7vw, 5.5rem); }
section + section { border-top: 1px solid var(--rule); }

/* ---------- Masthead ---------- */

.masthead {
  background: var(--ink);
  color: #EDEBE6;
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
  flex-wrap: wrap;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--paper);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
.wordmark:hover { color: var(--gold); }
.wordmark svg { flex: none; }
.wordmark span small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.6rem);
  flex-wrap: wrap;
}
.nav a {
  color: #EDEBE6;
  text-decoration: none;
  font-size: var(--step--1);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding-block: 0.35rem;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.nav a[aria-current="page"] { color: var(--gold); border-bottom-color: var(--gold); }

/* ---------- Control block: the document-header device ---------- */

.control-block {
  background: var(--ink);
  color: #C9C6BF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  border-top: 1px solid #3A3A3A;
}
.control-block dl {
  margin: 0;
  padding-block: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.6rem;
}
.control-block div { display: flex; gap: 0.5rem; }
.control-block dt { color: #8C8880; text-transform: uppercase; }
.control-block dd { margin: 0; color: var(--gold); }

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

.page-head {
  background: var(--ink);
  color: #E7E4DE;
  padding-block: clamp(3rem, 8vw, 6rem);
}
.page-head h1 {
  font-size: var(--step-3);
  line-height: 1.08;
  margin: 0.6rem 0 1rem;
  color: var(--paper);
  letter-spacing: -0.015em;
}
.page-head p { max-width: 60ch; margin: 0; color: #C9C6BF; font-size: var(--step-1); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}
.eyebrow--light { color: var(--gold-deep); }

/* ---------- Hero ---------- */

.hero {
  background: var(--ink);
  color: #E7E4DE;
  padding-block: clamp(3.5rem, 9vw, 7rem);
}
.hero h1 {
  font-size: var(--step-4);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 1rem 0 1.25rem;
  color: var(--paper);
  max-width: 18ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero p {
  max-width: 58ch;
  font-size: var(--step-1);
  color: #C9C6BF;
  margin: 0 0 2rem;
}

/* ---------- Section headers + gold rule (brand spec) ---------- */

.sec-head { margin-bottom: 2.25rem; }
.sec-head h2 {
  font-size: var(--step-2);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0.5rem 0 0.85rem;
  max-width: 24ch;
}
.sec-head h2::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  background: var(--gold-deep);
  margin-top: 0.85rem;
}
.sec-head p { margin: 0; max-width: var(--measure); color: var(--body); }

.sec-head--dark h2 { color: var(--paper); }
.sec-head--dark h2::after { background: var(--gold); }
.sec-head--dark p { color: #C9C6BF; }

/* ---------- Buttons ---------- */

.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-ui);
}
.btn--primary { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn--primary:hover { background: #D9AB44; border-color: #D9AB44; }
.btn--ghost { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn--ghost:hover { background: var(--gold); color: var(--ink); }
.btn--onlight { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--onlight:hover { background: var(--gold-deep); border-color: var(--gold-deep); }
.btn--onlight-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--onlight-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- Generic grids ---------- */

.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }

/* ---------- Service line cards ---------- */

.line {
  border-top: 3px solid var(--gold-deep);
  padding-top: 1.25rem;
}
.line__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.line h3 {
  font-size: var(--step-1);
  color: var(--ink);
  margin: 0.5rem 0 0.65rem;
  line-height: 1.2;
}
.line ul { margin: 1rem 0 0; padding-left: 1.1rem; }
.line li { margin-bottom: 0.45rem; }

/* ---------- Doctrine chips ---------- */

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0; padding: 0; }
.chips li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--rule);
  background: var(--paper-warm);
  color: var(--ink);
  padding: 0.4rem 0.8rem;
}
.chips--dark li { background: #2A2A2A; border-color: #444; color: #E7E4DE; }

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

.course {
  border: 1px solid var(--rule);
  border-top: 3px solid var(--gold-deep);
  padding: 1.5rem;
  background: var(--paper);
}
.course__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.course h3 { font-size: var(--step-1); color: var(--ink); margin: 0.6rem 0 0.5rem; line-height: 1.2; }
.course > p { margin: 0 0 1rem; }
.course h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.1rem 0 0.5rem;
}
.course ul { margin: 0; padding-left: 1.1rem; }
.course li { margin-bottom: 0.35rem; }
.course dl {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: var(--step--1);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1rem;
}
.course dt { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-size: 0.7rem; align-self: center; }
.course dd { margin: 0; color: var(--ink); }

/* ---------- Cadre ---------- */

.person {
  border-top: 1px solid var(--rule);
  padding-top: 1.15rem;
}
.person h3 { font-size: var(--step-1); color: var(--ink); margin: 0.35rem 0 0.35rem; }
.person p { margin: 0 0 0.85rem; }
.person__role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

/* ---------- Buyer panel ---------- */

.buyers { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: #3A3A3A; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.buyers li { background: var(--ink); padding: 1.4rem; }
.buyers strong { display: block; color: var(--paper); font-size: var(--step-1); line-height: 1.2; }
.buyers span { display: block; color: #A9A59D; font-size: var(--step--1); margin-top: 0.4rem; }

/* ---------- Registration / identifier table ---------- */

.reg {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  border-collapse: collapse;
  width: 100%;
  max-width: 42rem;
}
.reg caption { text-align: left; font-family: var(--font-ui); color: var(--muted); padding-bottom: 0.75rem; }
.reg th, .reg td { text-align: left; padding: 0.6rem 1rem 0.6rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.reg th { font-weight: 400; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.7rem; white-space: nowrap; }
.reg td { color: var(--ink); }

/* ---------- Forms ---------- */

.form { max-width: 34rem; }
.form fieldset { border: 0; margin: 0; padding: 0; }
.form legend {
  font-size: var(--step-1);
  color: var(--ink);
  font-weight: 700;
  padding: 0;
  margin-bottom: 0.35rem;
}
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-weight: 700; color: var(--ink); margin-bottom: 0.3rem; }
.field .hint { display: block; font-size: var(--step--1); color: var(--muted); margin-bottom: 0.4rem; }
.field input, .field textarea, .field select {
  width: 100%;
  font-family: var(--font-ui);
  font-size: var(--step-0);
  color: var(--ink);
  padding: 0.65rem 0.75rem;
  border: 1px solid #87837B; /* 3.8:1 on white, 3.5:1 on warm — passes WCAG 1.4.11 */
  background: var(--paper);
  border-radius: 0;
}
.field textarea { min-height: 8rem; resize: vertical; }
.req { color: #A32020; font-weight: 700; }

.notice {
  border-left: 3px solid var(--gold-deep);
  background: var(--paper-warm);
  padding: 1rem 1.25rem;
  font-size: var(--step--1);
  margin: 1.5rem 0;
}
.notice--dark { background: #2A2A2A; border-left-color: var(--gold); color: #C9C6BF; }

/* ---------- Dark section ---------- */

.band-dark { background: var(--ink); color: #C9C6BF; }
.band-dark a:not(.btn) { color: var(--gold); }
.band-warm { background: var(--paper-warm); }

/* ---------- Footer ---------- */

.site-foot {
  background: var(--ink);
  color: #A9A59D;
  padding-block: 3rem 2rem;
  font-size: var(--step--1);
}
.site-foot h2 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.9rem;
}
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 0.5rem; }
.site-foot a { color: #D6D3CC; text-decoration: none; }
.site-foot a:hover { color: var(--gold); text-decoration: underline; }
.site-foot__cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }
.site-foot__legal { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid #3A3A3A; }
.site-foot__legal p { margin: 0 0 0.4rem; }

/* ---------- Links in prose ---------- */

main a:not(.btn):not(.wordmark) { color: var(--gold-deep); text-underline-offset: 2px; }
main a:not(.btn):not(.wordmark):hover { color: var(--ink); }

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Terminology crosswalk tables ---------- */

.crosswalk-wrap { overflow-x: auto; margin: 0 0 2.5rem; }
.crosswalk { font-size: var(--step--1); border-collapse: collapse; width: 100%; min-width: 640px; }
.crosswalk caption { text-align: left; font-family: var(--font-ui); color: var(--muted); padding-bottom: 0.6rem; }
.crosswalk th, .crosswalk td { text-align: left; padding: 0.6rem 1rem 0.6rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.crosswalk th { font-family: var(--font-mono); font-weight: 400; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.68rem; white-space: nowrap; }
.crosswalk td:first-child { font-weight: 700; color: var(--ink); white-space: nowrap; }
.crosswalk td:nth-child(2) { color: var(--muted); }

/* ---------- Print ---------- */

@media print {
  .masthead, .site-foot, .btn-row { display: none; }
  body { color: #000; }
}