/* ==========================================================================
   The Medical Transcription Company — reference theme
   Evolved from the original site's periwinkle/violet palette (#8F8FC9,
   #8452BA, #EEEEF7) and its sharp-edged, two-column, fixed-width reading
   layout. Modernised into a responsive documentation/reference look:
   serif display type, hairline rules, zero radius, sticky section rail.
   ========================================================================== */

:root {
  --ink:        #16141f;
  --violet-900: #241c45;
  --violet-800: #2e2452;
  --violet-700: #4c3a8c;
  --violet-600: #5d49a6;
  --violet-500: #6b5bbd;
  --violet-400: #8b7ed2;
  --violet-300: #a99ce0;
  --violet-200: #cdc5ee;
  --violet-100: #ece9f8;
  --violet-050: #f7f5fd;

  --paper:  #ffffff;
  --text:   #26232e;
  --muted:  #625c73;
  --rule:   #ddd8ee;
  --rule-2: #efecf8;

  --measure: 68ch;
  --side-w:  248px;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
}

/* Safeguard: content is never hidden waiting on JS. Any reveal animation
   is progressive enhancement only. */
[data-aos] { opacity: 1 !important; transform: none !important; }

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

body {
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-feature-settings: "kern" 1;
}

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

a { color: var(--violet-700); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--violet-500); }

::selection { background: var(--violet-200); color: var(--ink); }

/* Entrance animation — CSS only, ends in the visible state, fill-mode both,
   so content is fully visible even if the animation never runs. */
@keyframes rise-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.rise { animation: rise-in .5s ease both; }
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ---------- top strip ---------------------------------------------------- */
.strip {
  background: var(--violet-900);
  color: var(--violet-200);
  font-size: .74rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .4rem 0;
}
.strip-mark { font-weight: 600; color: var(--violet-100); }
.strip-note { color: var(--violet-300); }
@media (max-width: 575.98px) { .strip-note { display: none; } }

/* ---------- header / nav ------------------------------------------------- */
.site-nav {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: .85rem 0;
  position: sticky;
  top: 0;
  z-index: 30;
}
.navbar-brand { padding: 0; margin: 0; line-height: 1.2; }
.brand-main {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.22rem;
  color: var(--violet-800);
  letter-spacing: -.005em;
}
.brand-sub {
  display: block;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .18rem;
}
.site-nav .nav-link {
  color: var(--text);
  font-size: .875rem;
  font-weight: 500;
  padding: .3rem .8rem;
  border-bottom: 2px solid transparent;
}
.site-nav .nav-link:hover { color: var(--violet-600); }
.site-nav .nav-link.active { color: var(--violet-700); border-bottom-color: var(--violet-500); }
.navbar-toggler { border: 1px solid var(--rule); border-radius: 0; padding: .45rem .6rem; }
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--violet-200); }
.burger, .burger::before, .burger::after {
  display: block; width: 20px; height: 2px; background: var(--violet-700); content: "";
}
.burger { position: relative; }
.burger::before { position: absolute; top: -6px; }
.burger::after  { position: absolute; top: 6px; }
@media (max-width: 991.98px) {
  .site-nav { position: static; }
  .navbar-collapse { padding-top: .75rem; border-top: 1px solid var(--rule-2); margin-top: .75rem; }
  .site-nav .nav-link { padding: .5rem 0; border-bottom: none; }
}

/* ---------- hero --------------------------------------------------------- */
.hero { border-bottom: 1px solid var(--rule); background: var(--violet-050); }
.hero img {
  display: block;
  width: 100%;
  height: clamp(190px, 30vw, 380px);
  object-fit: cover;
  filter: saturate(.92);
}

/* ---------- document grid ------------------------------------------------ */
.doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 2.75rem 0 4rem;
}
@media (min-width: 992px) {
  .doc-grid {
    grid-template-columns: var(--side-w) minmax(0, 1fr);
    gap: 3.25rem;
  }
  .doc-side { border-right: 1px solid var(--rule); padding-right: 1.75rem; }
  .side-inner { position: sticky; top: 6.5rem; }
}

.doc-main { max-width: var(--measure); }

/* ---------- sidebar ------------------------------------------------------ */
.side-kicker {
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.6rem 0 .5rem;
  font-weight: 600;
}
.side-kicker:first-child { margin-top: 0; }
.side-list { list-style: none; margin: 0 0 0; padding: 0; }
.side-list li { margin: 0; }
.side-list a {
  display: block;
  padding: .3rem 0 .3rem .75rem;
  border-left: 2px solid var(--rule-2);
  font-size: .87rem;
  line-height: 1.45;
  color: var(--text);
  text-decoration: none;
}
.side-list a:hover { border-left-color: var(--violet-300); color: var(--violet-700); background: var(--violet-050); }
.side-list a.is-current {
  border-left-color: var(--violet-500);
  color: var(--violet-700);
  font-weight: 600;
}
@media (max-width: 991.98px) {
  .doc-side { border-top: 1px solid var(--rule); padding-top: 1.5rem; order: 2; }
  .side-list a { padding-left: .65rem; }
}

/* ---------- prose -------------------------------------------------------- */
.prose h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--violet-900);
  margin: 0 0 1.1rem;
}
.prose .lede {
  font-family: var(--serif);
  font-size: clamp(1.08rem, 2.1vw, 1.28rem);
  line-height: 1.55;
  color: var(--violet-800);
  border-left: 3px solid var(--violet-400);
  padding-left: 1.1rem;
  margin: 0 0 2rem;
}
.prose h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  line-height: 1.28;
  color: var(--violet-800);
  margin: 2.6rem 0 .85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-2);
}
.prose h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: .01em;
  color: var(--violet-700);
  margin: 1.9rem 0 .6rem;
}
.prose p { margin: 0 0 1.15rem; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 1.35rem; padding-left: 1.35rem; }
.prose li { margin-bottom: .5rem; }
.prose ul li::marker { color: var(--violet-400); }
.prose ol li::marker { color: var(--violet-500); font-weight: 600; }
.prose code {
  font-size: .88em;
  background: var(--violet-100);
  color: var(--violet-800);
  padding: .1em .35em;
}
.prose a[rel="noopener"]::after {
  content: "\2197";
  font-size: .72em;
  margin-left: .18em;
  color: var(--violet-400);
  vertical-align: super;
}

.fig { margin: 2.2rem 0; }
.fig img { display: block; width: 100%; border: 1px solid var(--rule); }
.fig figcaption {
  font-size: .8rem;
  color: var(--muted);
  padding-top: .55rem;
  border-bottom: 1px solid var(--rule-2);
  padding-bottom: .55rem;
}

/* ---------- non-affiliation notice --------------------------------------- */
.notice {
  margin: 3rem 0 0;
  padding: 1.15rem 1.3rem;
  background: var(--violet-050);
  border: 1px solid var(--violet-200);
  border-left: 3px solid var(--violet-500);
}
.notice-head {
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--violet-700);
  margin: 0 0 .4rem;
}
.notice p:last-child { margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.6; }

/* ---------- footer ------------------------------------------------------- */
.site-foot {
  background: var(--violet-900);
  color: var(--violet-200);
  padding: 3rem 0 2rem;
  margin-top: 0;
  font-size: .875rem;
}
.foot-kicker {
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--violet-300);
  font-weight: 600;
  margin: 0 0 .7rem;
}
.foot-blurb { color: var(--violet-200); opacity: .82; margin: 0 0 .9rem; line-height: 1.6; }
.foot-list { list-style: none; margin: 0; padding: 0; }
.foot-list li { margin-bottom: .35rem; }
.foot-list a { color: var(--violet-100); text-decoration: none; opacity: .85; }
.foot-list a:hover { color: #fff; opacity: 1; text-decoration: underline; }
.foot-rule { height: 1px; background: rgba(255, 255, 255, .13); margin: 2.4rem 0 1.4rem; }
.foot-notice { color: var(--violet-300); font-size: .8rem; line-height: 1.65; margin: 0 0 .8rem; max-width: 80ch; }
.foot-legal { color: var(--violet-400); font-size: .78rem; margin: 0; }

/* ---------- focus visibility --------------------------------------------- */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--violet-500);
  outline-offset: 2px;
}

/* ---------- print -------------------------------------------------------- */
@media print {
  .strip, .site-nav, .doc-side, .site-foot, .hero { display: none; }
  .doc-main { max-width: none; }
  body { font-size: 11pt; }
}