/* =================================================
   BOH. — Back of House
   Production stylesheet
   ================================================= */

:root {
  --snow: #F8F9F8;
  --ink: #0A0A0A;
  --soft-ink: #2A2B2A;
  --muted: #6B6C6B;
  --quiet: #9A9B9A;
  --rule: rgba(10, 10, 10, 0.1);
  --rule-strong: rgba(10, 10, 10, 0.2);

  --max: 1280px;
  --gutter: 32px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--snow);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
html { overflow-x: hidden; max-width: 100vw; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* =================================================
   NAVIGATION
   ================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(248, 249, 248, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  padding: 16px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-mark {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.06em;
  color: var(--ink);
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--soft-ink);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 400;
  transition: opacity 0.2s;
}
.nav-links a:hover, .nav-links a.active { opacity: 0.55; }
.nav-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 9px 14px;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: var(--ink); color: var(--snow); opacity: 1 !important; }

.nav-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
.nav-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--ink);
  margin: 5px 0; transition: all 0.3s;
}

/* =================================================
   LAYOUT
   ================================================= */
main { padding-top: 64px; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}

.section { padding: 100px 0; }
.section-tight { padding: 60px 0; }
.section-divider { border-top: 1px solid var(--rule); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--muted);
}

/* =================================================
   TYPOGRAPHY
   ================================================= */
h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink);
}
h1 em, h2 em, h3 em { font-style: italic; }

.h-display {
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.h-1 {
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.05;
}
.h-2 {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.1;
}
.h-3 {
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.25;
}
.h-quote {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-style: italic;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--soft-ink);
}

p { font-size: 17px; line-height: 1.65; color: var(--soft-ink); }
p.lead { font-size: 19px; color: var(--ink); max-width: 620px; }

.mono-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--muted);
}

/* =================================================
   BUTTONS
   ================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  padding: 18px 24px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--snow);
  transition: all 0.3s;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn .arrow { transition: transform 0.3s; }
.btn:hover .arrow { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  padding: 18px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  transition: opacity 0.2s;
}
.btn-ghost:hover { opacity: 0.55; }
.btn-ghost .arrow { transition: transform 0.3s; }
.btn-ghost:hover .arrow { transform: translateX(4px); }

/* =================================================
   HERO (HOMEPAGE)
   ================================================= */
.hero {
  padding: 80px 0 100px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 100px;
  align-items: start;
}
.hero-left .home-mark {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 48px;
  letter-spacing: -0.06em;
  margin-bottom: 120px;
}
.hero-headline { margin-bottom: 36px; }
.hero-sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--soft-ink);
  max-width: 540px;
  margin-bottom: 56px;
}
.hero-right {
  border-left: 1px solid var(--rule);
  padding-left: 60px;
  padding-top: 8px;
}
.meta-block { margin-bottom: 48px; }
.meta-block:last-child { margin-bottom: 0; }
.meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 14px;
}
.meta-content {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
}
.meta-content em { font-style: italic; }
.meta-list {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--soft-ink);
  line-height: 2.2;
}

/* =================================================
   SECTIONS — PRINCIPLES / WHAT WE DO
   ================================================= */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-top: 60px;
}
.principle .principle-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 20px;
}
.principle h3 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 24px;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.principle h3 em { font-style: italic; }
.principle p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--soft-ink);
}

/* =================================================
   THE WORK — ENGAGEMENT CARDS
   ================================================= */
.engagements {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 60px;
}
.engagement {
  background: var(--snow);
  padding: 56px 0;
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  gap: 60px;
  align-items: start;
}
.engagement-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--muted);
}
.engagement-num strong { color: var(--ink); display: block; margin-top: 6px; font-weight: 500; }
.engagement-main h3 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 36px;
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.engagement-main h3 em { font-style: italic; }
.engagement-main p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--soft-ink);
  max-width: 540px;
}
.engagement-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--soft-ink);
  line-height: 2;
  border-left: 1px solid var(--rule);
  padding-left: 24px;
}
.engagement-meta .label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  display: block;
  margin-top: 14px;
  margin-bottom: 4px;
}
.engagement-meta .label:first-child { margin-top: 0; }

/* =================================================
   PULL QUOTE
   ================================================= */
.pull-quote {
  padding: 100px 0;
  text-align: center;
}
.pull-quote blockquote {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-style: italic;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 880px;
  margin: 0 auto 32px;
}
.pull-quote cite {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--muted);
  font-style: normal;
}

/* =================================================
   COMPARISON BLOCK
   ================================================= */
.comparison {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.comparison > div {
  background: var(--snow);
  padding: 40px;
}
.comparison .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--muted);
  margin-bottom: 16px;
}
.comparison .figure {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 48px;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 10px;
}
.comparison .desc {
  font-size: 15px;
  color: var(--soft-ink);
  line-height: 1.5;
}

/* =================================================
   APPROACH PAGE
   ================================================= */
.approach-hero {
  padding: 80px 0 60px;
  max-width: 800px;
}
.approach-hero .eyebrow { margin-bottom: 36px; }
.approach-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 0 100px;
}
.approach-body > * { margin-bottom: 32px; }
.approach-body h2 {
  font-size: 32px;
  margin-top: 60px;
  margin-bottom: 20px;
}
.approach-body p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--soft-ink);
}
.approach-body p strong { color: var(--ink); font-weight: 500; }
.approach-body blockquote {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 24px;
  line-height: 1.4;
  color: var(--ink);
  border-left: 2px solid var(--ink);
  padding-left: 24px;
  margin: 40px 0;
}
.approach-body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 60px 0;
}

/* =================================================
   PROCESS LIST
   ================================================= */
.process {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.process-item {
  padding: 36px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 60px 240px 1fr;
  gap: 40px;
  align-items: baseline;
}
.process-item:last-child { border-bottom: 1px solid var(--rule); }
.process-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--muted);
}
.process-title {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.process-title em { font-style: italic; }
.process-desc {
  font-size: 16px;
  color: var(--soft-ink);
  line-height: 1.6;
  max-width: 540px;
}

/* =================================================
   CONTACT FORM
   ================================================= */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  padding: 80px 0 100px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
}
.form-field input,
.form-field textarea,
.form-field select {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule-strong);
  padding: 10px 0;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  font-weight: 400;
}
.form-field textarea { resize: vertical; min-height: 100px; border: 1px solid var(--rule-strong); padding: 12px; }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--ink); }
.form-submit { align-self: flex-start; margin-top: 20px; }

.contact-meta {
  border-left: 1px solid var(--rule);
  padding-left: 60px;
}

/* =================================================
   FOOTER
   ================================================= */
footer {
  background: var(--ink);
  color: var(--snow);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(248, 249, 248, 0.15);
}
.footer-mark {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 56px;
  letter-spacing: -0.06em;
  margin-bottom: 24px;
  line-height: 1;
}
.footer-tagline {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 20px;
  color: rgba(248, 249, 248, 0.7);
  max-width: 320px;
  line-height: 1.4;
}
.footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(248, 249, 248, 0.5);
  margin-bottom: 24px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-size: 15px;
  color: var(--snow);
  transition: opacity 0.2s;
}
.footer-col a:hover { opacity: 0.55; }
.footer-col p { font-size: 14px; color: rgba(248, 249, 248, 0.7); line-height: 1.6; }

.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(248, 249, 248, 0.5);
}

/* =================================================
   NOTES / WRITING INDEX
   ================================================= */
.notes-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 60px;
}
.note-item {
  padding: 36px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 120px 1fr 200px;
  gap: 40px;
  align-items: baseline;
  transition: padding 0.2s;
}
.note-item:hover { padding-left: 12px; }
.note-item:last-child { border-bottom: 1px solid var(--rule); }
.note-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
}
.note-title {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.note-title em { font-style: italic; }
.note-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-align: right;
}

/* =================================================
   RESPONSIVE
   ================================================= */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-right { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 50px; }
  .hero-left .home-mark { font-size: 40px; margin-bottom: 80px; }
  .principles { grid-template-columns: 1fr; gap: 40px; }
  .engagement { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .engagement-meta { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 20px; }
  .comparison { grid-template-columns: 1fr; }
  .process-item { grid-template-columns: 1fr; gap: 12px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 50px; }
  .contact-meta { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .note-item { grid-template-columns: 1fr; gap: 8px; }
  .note-cat { text-align: left; }
}

@media (max-width: 700px) {
  :root { --gutter: 20px; }
  .nav { padding: 14px var(--gutter); }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--snow); flex-direction: column; padding: 24px var(--gutter); gap: 20px; border-bottom: 1px solid var(--rule); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .section { padding: 60px 0; }
  .hero { padding: 40px 0 60px; }
  .hero-left .home-mark { font-size: 32px; margin-bottom: 60px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 50px; }
  .footer-mark { font-size: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
  .approach-body p { font-size: 16px; }
  .pull-quote { padding: 60px 0; }
  .comparison > div { padding: 28px 20px; }
  .comparison .figure { font-size: 36px; }
  .h-display { font-size: 40px !important; }
  .h-1 { font-size: 32px !important; }
  .home-mark { font-size: 36px !important; }
  .hero-headline { font-size: 36px !important; }
}