/* sdjarvis.com — brand system */

/* Self-hosted fonts (latin subset, woff2 only) */
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 500; font-display: block; src: url("../fonts/spectral-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Spectral"; font-style: normal; font-weight: 600; font-display: block; src: url("../fonts/spectral-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Spectral"; font-style: italic; font-weight: 300; font-display: block; src: url("../fonts/spectral-latin-300-italic.woff2") format("woff2"); }
@font-face { font-family: "Spectral"; font-style: italic; font-weight: 500; font-display: block; src: url("../fonts/spectral-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: "Libre Franklin"; font-style: normal; font-weight: 400; font-display: block; src: url("../fonts/libre-franklin-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Libre Franklin"; font-style: normal; font-weight: 500; font-display: block; src: url("../fonts/libre-franklin-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: block; src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); }


:root {
  --navy: #111D2B;
  --ivory: #F8F2E3;
  --graphite: #22262C;
  --camel: #BD9468;
  --copper: #B0722E;
  --desk: #EDE6D4;
  --hairline-ivory: #DCD3BC;
  --body-on-navy: #D8CDB4;
  --muted-on-navy: #8B94A3;
  --muted-on-ivory: #8A8674;
  --body-2: #4A4F58;
  --serif: "Spectral", Georgia, serif;
  --sans: "Libre Franklin", -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --measure: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-synthesis: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  background: var(--ivory);
  color: var(--graphite);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--copper); text-decoration: none; }
a:hover { color: var(--navy); }
.on-navy a:hover { color: var(--ivory); }

::selection { background: var(--camel); color: var(--navy); }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; color: var(--navy); }
h1::selection, h2::selection, h3::selection,
h1 *::selection, h2 *::selection, h3 *::selection {
  background: transparent; color: var(--copper);
}
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.12; word-spacing: -0.03em; }
h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.15; word-spacing: -0.03em; }
h3 { font-size: 22px; line-height: 1.3; }
em { font-style: italic; font-family: var(--serif); }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 24px; }

/* ------- mono kickers, labels, rails ------- */
.kicker, .mono {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
}
.kicker { color: var(--copper); display: block; margin-bottom: 20px; }
.on-navy .kicker { color: var(--camel); }
.stat { display: block; font-family: var(--mono); font-size: 22.5px; letter-spacing: 0.02em; color: var(--copper); line-height: 1.2; }
.stat-label { display: block; font-family: var(--sans); font-size: 13px; line-height: 1.55; color: var(--body-2); margin-top: 6px; max-width: 34ch; }
.on-navy .stat-label { color: var(--body-on-navy); }

/* ------- hairlines ------- */
.rule { border: 0; border-top: 1px solid var(--graphite); }
.rule-soft { border: 0; border-top: 1px solid var(--hairline-ivory); }

/* ------- header ------- */
.site-header { background: var(--navy); border-bottom: 1px solid var(--copper); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.monogram { display: flex; align-items: baseline; gap: 7px; color: var(--ivory); }
.monogram:hover { color: var(--ivory); }
.monogram:hover .slash { background: var(--camel); }
.monogram .sd { font-family: var(--serif); font-weight: 600; font-size: 27px; letter-spacing: -0.03em; }
.monogram .slash { display: inline-block; width: 2px; height: 26px; background: var(--copper); transform: skewX(-12deg); position: relative; top: 4px; }
.monogram .j { font-family: var(--serif); font-weight: 300; font-style: italic; font-size: 27px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { font-family: var(--sans); font-size: 14.5px; color: var(--body-on-navy); position: relative; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--camel); }
.site-nav .cta-link { color: var(--camel); }
.site-nav .cta-link:hover { color: var(--ivory); }
.site-nav .lang { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--muted-on-navy); border-left: 1px solid rgba(248,242,227,0.25); padding-left: 24px; }
.nav-toggle { display: none; }

/* ------- footer ------- */
.site-footer { background: var(--navy); color: var(--body-on-navy); }
.site-footer .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; gap: 16px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px;
}
.site-footer .wordmark { font-family: var(--serif); font-size: 19px; color: var(--ivory); }
.site-footer .wordmark .light { font-weight: 300; font-style: italic; }
.site-footer .mono, .site-footer a.mono { font-size: 10.5px; color: var(--muted-on-navy); }
.site-footer a.mono:hover { color: var(--camel); }

/* ------- buttons ------- */
.btn {
  display: inline-block; font-family: var(--sans); font-weight: 500; font-size: 14px;
  padding: 14px 28px; border-radius: 0; cursor: pointer; border: 0;
}
.btn-primary { background: var(--copper); color: var(--ivory); }
.btn-primary:hover { background: var(--navy); color: var(--ivory); }
.btn-secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
.btn-secondary:hover { background: var(--navy); color: var(--ivory); }
.on-navy .btn-secondary { color: var(--ivory); border-color: var(--ivory); }
.on-navy .btn-secondary:hover { background: var(--ivory); color: var(--navy); }
.text-link { font-size: 15px; }

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

/* ------- sections & grids ------- */
.section { padding-top: 104px; padding-bottom: 104px; }
.section-tight { padding-top: 72px; padding-bottom: 72px; }
.on-navy { background: var(--navy); color: var(--body-on-navy); }
.on-navy h1, .on-navy h2, .on-navy h3 { color: var(--ivory); }
.on-desk { background: var(--desk); }

.grid { display: grid; gap: 48px; }
.grid-7-4 { grid-template-columns: 7fr 1fr 4fr; }
.grid-8-4 { grid-template-columns: 8fr 4fr; }
.grid-4-8 { grid-template-columns: 4fr 8fr; }
.grid-7-5 { grid-template-columns: 7fr 5fr; }
.grid-2 { grid-template-columns: 1fr 1fr; }

.lead { font-size: 18px; line-height: 1.75; max-width: 60ch; }
.secondary { font-size: 14.5px; line-height: 1.65; color: var(--body-2); }
.on-navy .secondary { color: var(--muted-on-navy); }

/* ------- hero ------- */
.hero { padding-top: 104px; padding-bottom: 96px; }
.hero .lead { margin: 28px 0 36px; }
.hero-ctas { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.metrics-rail { border-left: 1px solid var(--graphite); padding-left: 32px; display: flex; flex-direction: column; gap: 30px; }
.on-navy .metrics-rail { border-left-color: rgba(248, 242, 227, 0.2); }

/* ------- numbered blocks ------- */
.blocks-2x2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 48px; }
.block .kicker { margin-bottom: 10px; }
.block p { font-size: 15.5px; }

/* ------- two-sided diagram ------- */
.two-sided { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; }
.two-sided .side { padding: 40px 44px; }
.two-sided .divider { display: flex; flex-direction: column; align-items: center; }
.two-sided .divider .bar { flex: 1; width: 2px; background: var(--copper); transform: skewX(-12deg); }
.two-sided .divider .mark { padding: 14px 0; font-family: var(--serif); color: var(--navy); }
.two-sided .divider .mark .sd { font-weight: 600; letter-spacing: -0.03em; }
.two-sided .divider .mark .j { font-weight: 300; font-style: italic; }
.two-sided h3 { margin-bottom: 14px; }
.two-sided p + p { margin-top: 14px; }

/* ------- case cards ------- */
.case-card { border-top: 1px solid var(--graphite); padding: 32px 0 40px; }
.case-card .kicker { margin-bottom: 12px; }
.case-card h3 { margin-bottom: 14px; }
.case-card p { max-width: 68ch; margin-bottom: 18px; }
.case-card .outcome { display: block; color: var(--graphite); margin-bottom: 16px; }

/* ------- case pages ------- */
.case-body { max-width: 70ch; }
.case-body h2 { font-size: 24px; margin: 44px 0 14px; }
.case-body p + p { margin-top: 16px; }
.fact-rail { border-left: 1px solid var(--graphite); padding-left: 32px; display: flex; flex-direction: column; gap: 22px; }

/* ------- essay index ------- */
.essay-row {
  display: grid; grid-template-columns: 64px 1fr 96px; gap: 24px; align-items: baseline;
  border-top: 1px solid var(--hairline-ivory); padding: 26px 0;
}
.essay-row:last-child { border-bottom: 1px solid var(--hairline-ivory); }
.essay-row .num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--copper); }
.essay-row h3 a { color: var(--navy); }
.essay-row h3 a:hover { color: var(--copper); }
.essay-row .summary { font-size: 14.5px; color: var(--body-2); margin-top: 4px; }
.essay-row .stamp { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-on-ivory); text-align: right; }

/* ------- essay pages ------- */
.essay { max-width: 66ch; }
.essay-head { margin-bottom: 44px; }
.essay-head .stamp { display: block; margin-top: 18px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted-on-ivory); }
.essay p + p { margin-top: 18px; }
.essay h2 { font-size: 23px; margin: 40px 0 12px; }
.essay-foot { margin-top: 56px; }

/* ------- about ------- */
.bio p + p { margin-top: 18px; }
.bio { max-width: 62ch; }

/* ------- contact ------- */
.contact-page { min-height: calc(100vh - 144px); padding-top: 104px; padding-bottom: 88px; }

/* ------- responsive ------- */
@media (max-width: 900px) {
  .section { padding-top: 60px; padding-bottom: 60px; }
  .grid-7-4, .grid-8-4, .grid-4-8, .grid-7-5, .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 60px; padding-bottom: 60px; }
  .contact-page { min-height: 0; padding-top: 60px; padding-bottom: 60px; }
  .metrics-rail, .fact-rail { border-left: 0; border-top: 1px solid var(--graphite); padding: 32px 0 0; }
  .on-navy .metrics-rail { border-top-color: rgba(248, 242, 227, 0.2); }
  .blocks-2x2 { grid-template-columns: 1fr; }
  .two-sided { grid-template-columns: 1fr; }
  .two-sided .divider { flex-direction: row; padding: 0 44px; }
  .two-sided .divider .bar { height: 2px; width: auto; flex: 1; transform: skewY(-2deg); }
  .two-sided .divider .mark { padding: 0 14px; }
  .essay-row { grid-template-columns: 48px 1fr; }
  .essay-row .stamp { grid-column: 2; text-align: left; }
  .nav-toggle {
    display: inline-block; background: transparent; border: 1px solid rgba(248,242,227,0.55);
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--ivory); padding: 8px 14px; cursor: pointer;
  }
  .site-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0; z-index: 10;
    background: var(--navy); border-bottom: 1px solid var(--copper);
    flex-direction: column; align-items: flex-start; padding: 24px; gap: 20px;
  }
  .site-nav.open { display: flex; }
  .site-nav .lang { border-left: 0; padding-left: 0; }
  .site-header { position: relative; }
}

/* ------- scroll reveal (added by JS; invisible to no-JS and reduced-motion) ------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.in { opacity: 1; transform: none; }

/* ------- skip link ------- */
.skip { position: absolute; left: -9999px; top: 0; background: var(--copper); color: var(--ivory); padding: 10px 18px; z-index: 100; font-family: var(--sans); font-size: 14px; }
.skip:focus { left: 0; }

/* ------- print ------- */
@media print {
  .site-header, .site-footer, .hero-ctas, .nav-toggle, .essay-foot { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}

/* ------- tenet list (Approach) ------- */
.tenets { list-style: none; }
.tenets li { position: relative; padding-left: 22px; margin-bottom: 14px; }
.tenets li::before { content: "\00B7"; position: absolute; left: 2px; color: var(--camel); font-weight: 700; }

/* ------- signature slash above page-level kickers ------- */
.hero .kicker::before,
section.section.wrap > .kicker::before,
.case-body > .kicker::before,
.essay-head .kicker::before,
.contact-page .kicker::before,
.bio > .kicker::before {
  content: ""; display: block; width: 26px; height: 2px;
  background: var(--copper); transform: skewX(-12deg); margin-bottom: 16px;
}

/* ------- editorial drop cap on essays ------- */
.essay .essay-head + p::first-letter {
  font-family: var(--serif); font-weight: 500; font-size: 3.15em;
  float: left; line-height: 0.82; padding: 4px 10px 0 0; color: var(--navy);
}

/* ------- refined in-text links ------- */
.essay p a, .case-body p a, .lead a, .secondary a {
  text-decoration: underline; text-decoration-thickness: 1px;
  text-underline-offset: 3px; text-decoration-color: rgba(176, 114, 46, 0.4);
  transition: text-decoration-color .2s ease, color .2s ease;
}
.essay p a:hover, .case-body p a:hover, .lead a:hover, .secondary a:hover {
  text-decoration-color: var(--copper);
}

/* ------- masthead nav: slash underline ------- */
.site-nav a:not(.lang)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 2px;
  background: var(--copper); transform: skewX(-12deg) scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.site-nav a:not(.lang):hover::after,
.site-nav a[aria-current="page"]::after { transform: skewX(-12deg) scaleX(1); }

/* ------- desk panel (About rail) ------- */
.panel-desk { background: var(--desk); padding: 36px 32px; }

/* ------- pull stat (case pages) ------- */
.pull-stat { margin: 52px 0; padding: 30px 0; border-top: 1px solid var(--hairline-ivory); border-bottom: 1px solid var(--hairline-ivory); }
.pull-stat .big { display: block; font-family: var(--mono); font-size: clamp(38px, 6vw, 60px); color: var(--copper); letter-spacing: 0.01em; line-height: 1.15; }
.pull-stat .pull-label { display: block; margin-top: 10px; font-family: var(--sans); font-size: 13.5px; line-height: 1.55; color: var(--body-2); }


/* ------- revealed email fallback ------- */
#email-fallback { margin-top: 20px; color: var(--camel); }

/* ------- essay prev/next ------- */
.essay-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 26px; }
.essay-nav a { display: block; border-top: 1px solid var(--hairline-ivory); padding-top: 16px; color: var(--navy); }
.essay-nav a:hover { color: var(--copper); }
.essay-nav .dir { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--copper); margin-bottom: 8px; }
.essay-nav .t { font-family: var(--serif); font-size: 17px; line-height: 1.35; }
.essay-nav .next { text-align: right; grid-column: 2; }
@media (max-width: 600px) { .essay-nav { grid-template-columns: 1fr; } .essay-nav .next { grid-column: 1; text-align: left; } }

/* ------- footer nav ------- */
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; padding-bottom: 22px; }
.footer-nav a { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-on-navy); }
.footer-nav a:hover { color: var(--camel); }

.case-card h3 a { color: var(--navy); }
.case-card h3 a:hover { color: var(--copper); }