/* =============================================================
   Locard — editorial / forensic
   Single stylesheet. No frameworks. No JS.
   ============================================================= */

:root {
  /* INK on PAPER, not "modern dark mode" */
  --paper:        #f4efe6;     /* warm off-white, archival */
  --paper-deep:   #ebe4d4;     /* slightly darker for cards */
  --ink:          #1c1814;     /* near-black, warm */
  --ink-soft:     #4a4339;     /* muted body text */
  --ink-faint:    #8a7f6f;     /* annotations, footnotes */
  --rule:         #c9bfa9;     /* horizontal rules, borders */
  --accent:       #8b1a1a;     /* deep oxblood — used SPARINGLY */
  --accent-soft:  #b87575;

  /* Typography */
  --serif:    'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --mono:     'JetBrains Mono', 'IBM Plex Mono', Menlo, monospace;

  /* Rhythm */
  --measure:  64ch;            /* readable line length */
  --rail-w:   12rem;           /* left rail for section numbering */
  --gutter:   2.5rem;
  --pad-x:    clamp(1.25rem, 4vw, 3rem);
}

/* ---------- Reset & base ---------- */

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

html, body { margin: 0; padding: 0; }

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  /* subtle paper grain via CSS only */
  background-image:
    radial-gradient(rgba(28,24,20,0.025) 1px, transparent 1px),
    radial-gradient(rgba(28,24,20,0.018) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  min-height: 100vh;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--accent);
  color: var(--paper);
}

/* ---------- Anchors ---------- */
a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}
a:hover {
  text-decoration-color: var(--accent);
  color: var(--accent);
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
  padding: 0.05em 0.3em;
  background: var(--paper-deep);
  border-radius: 2px;
}

em { font-style: italic; }

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 1.4rem var(--pad-x);
  position: sticky;
  top: 0;
  background: rgba(244, 239, 230, 0.96);
  backdrop-filter: blur(6px);
  z-index: 50;
}
.masthead__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
}
.brand__mark {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: 1.65rem;
  line-height: 1;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  transform: translateY(0.15rem);
}
.brand__name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
}

.topnav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.topnav a {
  text-decoration: none;
  color: var(--ink-soft);
}
.topnav a:hover { color: var(--accent); }

/* ---------- Section scaffold ---------- */
.section,
.hero {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: var(--gutter);
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem var(--pad-x);
}

.hero__rail,
.section__rail {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0.6rem;
  border-top: 1.5px solid var(--ink);
  align-self: start;
  /* sticks visible while reading the section on tall sections */
  position: sticky;
  top: 6rem;
}
.rail__num { color: var(--ink); font-weight: 700; }
.rail__label { color: var(--ink-faint); }

/* ---------- Hero ---------- */
.hero {
  padding-top: 7rem;
  padding-bottom: 6rem;
}
.hero__eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin: 0 0 2rem;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0 0 2rem;
  max-width: 14ch;
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}
.hero__title .trace {
  position: relative;
  display: inline-block;
  font-style: italic;
}
.hero__title .trace::after {
  content: '';
  position: absolute;
  left: -0.1em;
  right: -0.1em;
  bottom: 0.08em;
  height: 0.18em;
  background: var(--accent);
  z-index: -1;
  transform: skewX(-3deg);
  opacity: 0.75;
}

.hero__lede {
  font-size: 1.25rem;
  line-height: 1.55;
  max-width: var(--measure);
  color: var(--ink-soft);
  margin: 0 0 2.5rem;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.95rem 1.6rem;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background 0.15s ease, color 0.15s ease;
  border-radius: 1px;
}
.cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.cta--ghost {
  background: transparent;
  color: var(--ink);
}
.cta--ghost:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* The Locard quote — pull-quote on letterhead */
.locard-quote {
  border-left: 2px solid var(--accent);
  padding: 1.4rem 0 1.4rem 2rem;
  margin: 0;
  max-width: 50ch;
  background: linear-gradient(
    to right,
    rgba(139, 26, 26, 0.04),
    transparent 60%
  );
}
.locard-quote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.65rem;
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--ink);
}
.locard-quote footer {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}
.locard-quote footer small {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink-soft);
  display: inline-block;
  margin-top: 0.5rem;
}

/* ---------- Horizontal rule between sections ---------- */
.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0 var(--pad-x);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Section title block ---------- */
.section__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}
.section__lede {
  font-size: 1.1rem;
  max-width: var(--measure);
  color: var(--ink-soft);
  margin: 0 0 3rem;
}
.section__note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  margin-top: 3rem;
  max-width: var(--measure);
}

/* ---------- Services ---------- */
.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: svc;
}
.service {
  border-top: 1px solid var(--rule);
  padding: 2.2rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  max-width: var(--measure);
}
.service:last-child {
  border-bottom: 1px solid var(--rule);
}
.service__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.service__no {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
  min-width: 1.6rem;
}
.service h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.45rem;
  margin: 0;
  letter-spacing: -0.005em;
}
.service p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- Casework ---------- */
.case {
  border-top: 1px solid var(--rule);
  padding: 2.4rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: var(--measure);
}
.case:last-of-type {
  border-bottom: 1px solid var(--rule);
}
.case__head {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.case__id {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 700;
}
.case__head h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.5rem;
  font-style: italic;
  margin: 0;
  letter-spacing: -0.005em;
}
.case__abstract {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}
.case__findings {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.4rem 1.5rem;
  margin: 0.4rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px dotted var(--rule);
}
.case__findings dt {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  align-self: baseline;
  padding-top: 0.35rem;
}
.case__findings dd {
  margin: 0 0 0.6rem;
  font-size: 1.0rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 4rem;
  max-width: 75ch;
}
.about__col h3 {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin: 0 0 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
  font-weight: 700;
}
.about__col p {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
.about__col code {
  font-size: 0.88em;
}

/* ---------- Contact ---------- */
.contact__card {
  border: 1.5px solid var(--ink);
  padding: 2rem;
  background: var(--paper-deep);
  max-width: var(--measure);
  margin-bottom: 2.5rem;
  position: relative;
}
.contact__card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 1.5rem;
  height: 1.5rem;
  border-top: 3px solid var(--accent);
  border-left: 3px solid var(--accent);
}
.contact__card::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 1.5rem;
  height: 1.5rem;
  border-bottom: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
}
.contact__label {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin: 0 0 0.6rem;
}
.contact__addr {
  display: inline-block;
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.15rem;
  margin-bottom: 1.2rem;
  word-break: break-all;
}
.contact__addr:hover {
  color: var(--accent);
}
.contact__hint {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-faint);
  margin: 0;
}

.intake-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  max-width: var(--measure);
  counter-reset: intake;
}
.intake-list li {
  counter-increment: intake;
  position: relative;
  padding: 1rem 0 1rem 3.5rem;
  border-top: 1px dotted var(--rule);
  font-size: 1.05rem;
  color: var(--ink-soft);
  font-style: italic;
}
.intake-list li:last-child {
  border-bottom: 1px dotted var(--rule);
}
.intake-list li::before {
  content: counter(intake, lower-roman) '.';
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* ---------- Colophon ---------- */
.colophon {
  border-top: 2px solid var(--ink);
  margin-top: 4rem;
  padding: 3rem var(--pad-x) 4rem;
  background: var(--paper-deep);
}
.colophon__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.colophon__line {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--ink-soft);
}
.colophon__brand {
  font-family: var(--serif);
  font-weight: 600;
  font-style: italic;
  color: var(--accent);
}
.colophon__line--meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}
.colophon__line--meta a {
  color: inherit;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- Mobile ---------- */
@media (max-width: 880px) {
  :root {
    --rail-w: 4.5rem;
    --gutter: 1.25rem;
  }

  .hero,
  .section {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    padding: 3rem var(--pad-x);
  }

  .hero__rail,
  .section__rail {
    flex-direction: column;
    font-size: 0.65rem;
    position: static;
    border-top-width: 1px;
  }

  .topnav {
    gap: 0.9rem;
    font-size: 0.7rem;
  }

  .hero { padding-top: 4rem; padding-bottom: 3rem; }
  .hero__title { font-size: clamp(2.4rem, 11vw, 4rem); }
  .locard-quote p { font-size: 1.3rem; }
  .locard-quote { padding-left: 1.2rem; }

  .case__findings {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
  .case__findings dt {
    padding-top: 1rem;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact__addr { font-size: 1.05rem; }
}

@media (max-width: 480px) {
  :root {
    --rail-w: 3rem;
    --pad-x: 1rem;
  }
  .masthead__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
  .topnav { flex-wrap: wrap; }
}