/* Yes Engineer — main stylesheet
   Editorial magazine style. Source Serif 4 + Inter. Cream paper, ink, accent red. */

:root {
  --paper: #f7f4ec;
  --paper-2: #efeadd;
  --ink: #14110d;
  --ink-2: #45413a;
  --ink-3: #7a7368;
  --rule: #1a1714;
  --line: #d8d1c0;
  --accent: #8b2a1c;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  font-size: 18px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
.ui { font-family: 'Inter', system-ui, sans-serif; }
a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 36px; }
.wrap-narrow { max-width: 680px; margin: 0 auto; padding: 0 36px; }

/* Masthead */
.masthead { border-bottom: 2px solid var(--rule); padding: 28px 0 22px; }
.masthead-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.masthead-left { flex: 1; }
.masthead-date {
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 8px;
}
.masthead-title {
  font-family: 'Source Serif 4', serif;
  font-style: italic; font-weight: 600;
  font-size: 44px; letter-spacing: -0.005em; line-height: 1;
  margin: 0; color: var(--ink);
}
.masthead-title a { color: var(--ink); text-decoration: none; }
.masthead-title a:hover { color: var(--accent); }
.masthead-tag {
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2); margin-top: 8px;
}
nav.thin {
  font-family: 'Inter', sans-serif;
  font-size: 13px; font-weight: 500;
  display: flex; gap: 26px; letter-spacing: 0.01em;
}
nav.thin a {
  text-decoration: none; color: var(--ink-2);
  padding-bottom: 4px; border-bottom: 1px solid transparent;
}
nav.thin a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* Page head */
.page-head {
  padding: 56px 0 36px;
  border-bottom: 1px solid var(--line);
}
.page-head-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 16px;
}
.page-head h1 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 48px; line-height: 1.05; letter-spacing: -0.018em;
  margin: 0 0 14px;
}
.page-head .deck {
  font-family: 'Source Serif 4', serif;
  font-style: italic; font-weight: 400;
  font-size: 20px; line-height: 1.45;
  color: var(--ink-2); max-width: 680px;
  margin: 0;
}
.page-head .meta {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 22px;
}

/* Lead article */
.lead { padding: 64px 0 56px; border-bottom: 1px solid var(--line); }
.lead-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 18px;
}
.lead-title {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 54px; line-height: 1.05; letter-spacing: -0.018em;
  margin: 0 0 20px;
}
.lead-title a { color: var(--ink); text-decoration: none; }
.lead-title a:hover { color: var(--accent); }
.lead-deck {
  font-family: 'Source Serif 4', serif;
  font-style: italic; font-weight: 400;
  font-size: 22px; line-height: 1.45;
  color: var(--ink-2); margin: 0 0 24px; max-width: 720px;
}
.lead-byline {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 32px;
}
.lead-body { max-width: 680px; }
.lead-body p {
  margin: 0 0 22px;
  font-size: 19px; line-height: 1.7;
}
.lead-body p:first-of-type::first-letter {
  font-family: 'Source Serif 4', serif;
  font-weight: 600; font-size: 64px;
  float: left; line-height: 0.9;
  padding: 6px 10px 0 0;
  color: var(--ink);
}
.lead-continue {
  margin-top: 24px;
  font-family: 'Inter', sans-serif;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.lead-continue a { text-decoration: none; }
.lead-continue a:hover { text-decoration: underline; }

/* Article body — long-form */
.article-body { max-width: 680px; margin: 56px auto 0; padding: 0 36px; }
.article-body p {
  margin: 0 0 22px;
  font-size: 19px; line-height: 1.72;
}
.article-body p:first-of-type::first-letter {
  font-family: 'Source Serif 4', serif;
  font-weight: 600; font-size: 64px;
  float: left; line-height: 0.9;
  padding: 6px 10px 0 0;
}
.article-body h2 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600; font-style: italic;
  font-size: 26px; letter-spacing: -0.005em;
  margin: 40px 0 14px;
}
.article-body h3 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 21px;
  margin: 32px 0 10px;
}
.article-body ol, .article-body ul {
  font-size: 19px;
  line-height: 1.7;
  margin: 0 0 22px;
  padding-left: 24px;
}
.article-body li { margin-bottom: 10px; }
.article-body em { font-style: italic; }
.article-body strong { font-weight: 600; }
.article-body hr {
  border: 0; border-top: 1px solid var(--line);
  margin: 36px auto; width: 60%;
}
.article-body blockquote {
  margin: 24px 0; padding: 0 22px;
  border-left: 3px solid var(--accent);
  font-style: italic; color: var(--ink-2);
}
.article-end-note {
  max-width: 680px; margin: 36px auto 0; padding: 32px 36px 0;
  border-top: 1px solid var(--line);
  font-family: 'Source Serif 4', serif;
  font-style: italic; color: var(--ink-2);
  font-size: 16px;
}

/* Subscribe block */
.subscribe {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.subscribe-inner { max-width: 680px; margin: 0 auto; padding: 0 36px; text-align: center; }
.subscribe h2 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600; font-style: italic;
  font-size: 32px; letter-spacing: -0.01em;
  margin: 0 0 12px; line-height: 1.2;
}
.subscribe p {
  font-size: 17px; color: var(--ink-2);
  margin: 0 0 28px; line-height: 1.6;
}
.signup {
  display: flex; gap: 8px;
  max-width: 480px; margin: 0 auto;
  font-family: 'Inter', sans-serif;
}
.signup input[type=email], .signup input[type=text] {
  flex: 1;
  font-family: inherit; font-size: 15px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 0;
}
.signup input[type=email]:focus, .signup input[type=text]:focus {
  outline: 2px solid var(--ink);
  outline-offset: -1px;
  border-color: var(--ink);
}
.signup button {
  font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 0 22px;
  background: var(--ink); color: var(--paper);
  border: 0; cursor: pointer;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.signup button:hover { background: var(--accent); }
.signup-meta {
  margin-top: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 12px; color: var(--ink-3);
  letter-spacing: 0.02em;
  max-width: 480px; margin-left: auto; margin-right: auto;
}
.signup-meta a { color: var(--ink-3); text-decoration: underline; }
.signup-meta a:hover { color: var(--ink); }
.signup-honey { position: absolute; left: -9999px; opacity: 0; }

/* Stacked signup with explicit consent checkbox */
.signup.signup-stacked {
  display: block;
  max-width: 480px;
  margin: 0 auto;
  text-align: left;
}
.signup-stacked .signup-row { margin-bottom: 12px; }
.signup-stacked .signup-row-email input[type=email] {
  width: 100%;
  padding: 13px 16px;
}
.signup-stacked .signup-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: 'Source Serif 4', serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
  cursor: pointer;
  padding: 4px 2px;
}
.signup-stacked .signup-consent input[type=checkbox] {
  margin-top: 4px;
  flex-shrink: 0;
  width: 16px; height: 16px;
  accent-color: var(--ink);
  cursor: pointer;
}
.signup-stacked .signup-consent span { display: block; }
.signup-stacked .signup-row-submit button {
  width: 100%;
  padding: 14px 22px;
  font-size: 14px;
}

/* Section header */
.section-rule {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 2px solid var(--rule);
  padding-bottom: 12px; margin-bottom: 24px;
}
.section-rule h2 {
  font-family: 'Inter', sans-serif;
  font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 700; color: var(--ink); margin: 0;
}
.section-rule a {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none;
}
.section-rule a:hover { color: var(--accent); border-bottom: 1px solid var(--accent); }

/* Archive list */
.archive { padding: 64px 0 56px; border-bottom: 1px solid var(--line); }
.archive-list { list-style: none; padding: 0; margin: 0; }
.archive-item {
  display: grid;
  grid-template-columns: 130px 1fr 100px;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.archive-item:last-child { border-bottom: 0; }
.archive-date {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3);
}
.archive-title {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 22px; line-height: 1.3; letter-spacing: -0.005em;
  margin: 0 0 4px;
}
.archive-title a { color: var(--ink); text-decoration: none; }
.archive-title a:hover { color: var(--accent); text-decoration: underline; }
.archive-deck {
  font-style: italic; font-size: 16px;
  color: var(--ink-2); line-height: 1.5;
  margin: 0;
}
.archive-issue {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.08em;
  color: var(--ink-3); text-align: right;
}

/* Departments */
.departments { padding: 64px 0; border-bottom: 1px solid var(--line); }
.dept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.dept { border-top: 2px solid var(--rule); padding-top: 22px; }
.dept-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.dept-label .stage {
  font-weight: 500; color: var(--accent); letter-spacing: 0.12em;
}
.dept h3 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 28px; line-height: 1.2; letter-spacing: -0.01em;
  margin: 0 0 14px;
}
.dept p {
  font-size: 17px; color: var(--ink-2);
  line-height: 1.6; margin: 0 0 18px;
}
.dept ul {
  list-style: none; padding: 0; margin: 0 0 22px;
  font-size: 15.5px; color: var(--ink-2);
}
.dept ul li {
  padding: 8px 0;
  border-top: 1px dotted var(--line);
  font-style: italic;
}
.dept ul li:first-child { border-top: 0; padding-top: 0; }
.dept .link {
  font-family: 'Inter', sans-serif;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
}
.dept .link a { text-decoration: none; }
.dept .link a:hover { text-decoration: underline; }

/* Generic prose page (about, privacy, terms, contact) */
.prose { max-width: 720px; margin: 56px auto; padding: 0 36px; }
.prose h2 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600; font-style: italic;
  font-size: 26px; letter-spacing: -0.005em;
  margin: 36px 0 12px;
}
.prose h3 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 20px;
  margin: 28px 0 8px;
}
.prose p {
  font-size: 18px; line-height: 1.7;
  margin: 0 0 18px;
}
.prose ul, .prose ol {
  font-size: 18px; line-height: 1.7;
  margin: 0 0 22px; padding-left: 24px;
}
.prose ul li, .prose ol li { margin-bottom: 8px; }
.prose pre {
  font-family: 'Inter', monospace, sans-serif;
  background: var(--paper-2);
  padding: 14px 18px;
  border-left: 3px solid var(--ink);
  font-size: 14px;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* Editor's note / about callout */
.note { padding: 64px 0; text-align: center; }
.note h2 {
  font-family: 'Source Serif 4', serif;
  font-style: italic; font-weight: 600;
  font-size: 28px; margin: 0 0 18px;
}
.note p {
  font-size: 17px; color: var(--ink-2);
  max-width: 580px; margin: 0 auto 8px;
  line-height: 1.65;
}

/* Status pages (confirm, unsubscribed, etc.) */
.status { max-width: 560px; margin: 80px auto; padding: 0 36px; text-align: center; }
.status h1 {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 40px; letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.status p {
  font-size: 18px; color: var(--ink-2);
  line-height: 1.6; margin: 0 0 14px;
}
.status .actions {
  margin-top: 28px;
  font-family: 'Inter', sans-serif;
  font-size: 14px; font-weight: 500;
}

/* Form errors / notices */
.notice {
  margin: 0 auto 24px;
  max-width: 480px;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  border-left: 3px solid var(--accent);
  background: var(--paper);
}
.notice.success {
  border-left-color: var(--ink);
  color: var(--ink);
}
.notice.error {
  border-left-color: var(--accent);
  color: var(--accent);
}

/* Footer */
footer.site {
  border-top: 2px solid var(--rule);
  background: var(--paper-2);
  padding: 48px 0 32px;
  font-family: 'Inter', sans-serif;
  font-size: 13.5px; color: var(--ink-2);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 36px;
}
.footer-grid h4 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 700; color: var(--ink);
  margin: 0 0 12px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid ul li { padding: 3px 0; }
.footer-grid a { color: var(--ink-2); text-decoration: none; }
.footer-grid a:hover { color: var(--accent); text-decoration: underline; }
.footer-brand {
  font-family: 'Source Serif 4', serif;
  font-style: italic; font-weight: 600;
  font-size: 22px; color: var(--ink);
  margin-bottom: 12px;
}
.footer-about {
  font-family: 'Source Serif 4', serif;
  font-size: 14.5px;
  max-width: 320px; line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  font-size: 12px; color: var(--ink-3);
}

/* Filter chips */
.chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-family: 'Inter', sans-serif;
  margin: 22px 0 36px;
}
.chip {
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 500;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--paper);
  text-decoration: none;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Preference center */
.prefs-form {
  max-width: 480px; margin: 0 auto;
  font-family: 'Inter', sans-serif;
}
.prefs-form .pref {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  margin-bottom: 8px;
}
.prefs-form .pref input { margin-top: 4px; }
.prefs-form .pref strong { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.prefs-form .pref span { font-size: 13.5px; color: var(--ink-3); line-height: 1.5; font-family: 'Source Serif 4', serif; font-style: italic; }
.prefs-form .submit-row {
  margin-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.prefs-form button {
  font-family: inherit; font-size: 13px; font-weight: 600;
  padding: 10px 20px;
  background: var(--ink); color: var(--paper);
  border: 0; cursor: pointer;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.prefs-form .unsub-all {
  font-size: 13px; color: var(--accent);
  text-decoration: underline;
}

/* Cookie + privacy banner */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  color: var(--paper);
  z-index: 1000;
  font-family: 'Inter', sans-serif;
  border-top: 1px solid var(--rule);
}
.cookie-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.cookie-inner p {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.55;
  color: #e8e2d4;
}
.cookie-inner a { color: var(--paper); text-decoration: underline; }
.cookie-inner a:hover { color: #d8b39a; }
.cookie-inner button {
  flex-shrink: 0;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--paper);
  padding: 9px 18px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}
.cookie-inner button:hover { background: var(--paper); color: var(--ink); }

@media (max-width: 700px) {
  .cookie-inner { flex-direction: column; align-items: stretch; padding: 14px 22px; gap: 12px; }
  .cookie-inner button { align-self: flex-start; }
}

@media (max-width: 800px) {
  .lead-title, .page-head h1 { font-size: 36px; }
  .masthead-inner { flex-direction: column; align-items: flex-start; }
  nav.thin { flex-wrap: wrap; gap: 18px; }
  .archive-item { grid-template-columns: 100px 1fr; }
  .archive-issue { display: none; }
  .dept-grid, .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-body, .prose { padding: 0 24px; }
}