/* === The Circuit Journal — Editorial Magazine Style === */

:root {
  --ink: #1a1614;
  --paper: #f5f1e8;
  --paper-warm: #ede5d3;
  --accent: #b8341d;
  --accent-deep: #8a2614;
  --muted: #6b5f54;
  --rule: #1a1614;
  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Inter Tight', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(184,52,29,0.04), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(26,22,20,0.03), transparent 40%);
}

a { color: inherit; text-decoration: none; }

/* === Masthead === */
.masthead {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 48px 0;
  border-bottom: 3px double var(--ink);
}

.masthead-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
}

.masthead-main {
  text-align: center;
  padding: 32px 0 20px;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--serif);
}

.logo-mark {
  font-size: 42px;
  color: var(--accent);
  transform: translateY(4px);
}

.logo-text {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-variation-settings: "opsz" 144;
}

.logo-text em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.tagline {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--muted);
  margin-top: 8px;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: 36px;
  padding: 18px 0;
  border-top: 1px solid var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  flex-wrap: wrap;
}

.primary-nav a {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s;
}

.primary-nav a:hover { color: var(--accent); }

.primary-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
}

/* === Main === */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px;
}

/* === Hero === */
.hero { margin-bottom: 56px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}

.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  padding: 4px 10px;
  border: 1px solid var(--accent);
  margin-bottom: 16px;
}

.hero-feature h1 {
  font-size: 64px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  font-variation-settings: "opsz" 144;
}

.hero-feature h1 a {
  background-image: linear-gradient(var(--ink), var(--ink));
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.4s;
}

.hero-feature h1 a:hover {
  background-size: 100% 1px;
}

.hero-feature .standfirst {
  font-size: 21px;
  line-height: 1.5;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 20px;
  max-width: 60ch;
}

.byline {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.byline .dot { margin: 0 8px; }

.hero-sidebar {
  border-left: 1px solid var(--ink);
  padding-left: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.side-item h3 {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: 8px;
}

.side-item h3 a:hover { color: var(--accent); }

.side-item p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.5;
}

/* === Rule === */
.rule {
  border: none;
  border-top: 1px solid var(--ink);
  margin: 48px 0;
  position: relative;
}

.rule::before {
  content: '✦';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 16px;
  color: var(--accent);
  font-size: 14px;
}

/* === Editor's Note === */
.editor-note {
  background: var(--paper-warm);
  padding: 56px 48px;
  border: 1px solid var(--ink);
  position: relative;
}

.editor-note::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid var(--ink);
  pointer-events: none;
}

.note-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
  position: relative;
}

.note-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.ornament {
  font-size: 32px;
  color: var(--accent);
  margin-top: 16px;
}

.note-body p {
  font-size: 18px;
  margin-bottom: 16px;
  max-width: 65ch;
}

.note-body p:first-child::first-letter {
  font-size: 64px;
  float: left;
  line-height: 0.9;
  margin: 6px 8px 0 0;
  font-weight: 800;
  color: var(--accent);
  font-variation-settings: "opsz" 144;
}

.signature {
  font-style: italic;
  color: var(--muted);
  margin-top: 8px;
}

/* === Section title === */
.section-title {
  font-size: 14px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: 32px;
  text-align: center;
  position: relative;
}

.section-title span {
  background: var(--paper);
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section-title::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 1px;
  background: var(--ink);
}

/* === Features === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.feature-card {
  background: var(--paper);
  padding: 36px;
  position: relative;
  transition: background 0.3s;
}

.feature-card:hover { background: var(--paper-warm); }

.card-num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.feature-card h3 {
  font-size: 26px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card h3 a:hover { color: var(--accent); }

.feature-card p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 16px;
}

.card-meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* === Manifesto === */
.manifesto {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 48px;
  margin: 0 -48px;
}

.manifesto-inner { max-width: 1100px; margin: 0 auto; }

.manifesto h2 {
  font-size: 42px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  text-align: center;
  font-variation-settings: "opsz" 144;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 56px;
}

.m-item {
  border-top: 1px solid rgba(245,241,232,0.3);
  padding-top: 20px;
}

.m-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.m-item h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.m-item p {
  font-size: 15px;
  color: rgba(245,241,232,0.75);
  line-height: 1.55;
}

/* === Footer === */
.footer {
  background: var(--paper-warm);
  border-top: 3px double var(--ink);
  margin-top: 80px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 48px 32px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand .logo-mark {
  font-size: 32px;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.footer-links h5,
.footer-meta h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 14px;
  color: var(--accent);
}

.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 14px; color: var(--ink); }
.footer-links a:hover { color: var(--accent); }

.footer-meta p { font-size: 14px; color: var(--muted); line-height: 1.55; }
.footer-meta a { color: var(--accent); border-bottom: 1px solid var(--accent); }

.footer-base {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 48px;
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* === Article page === */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px;
}

.article-header {
  text-align: center;
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--ink);
}

.article-header h1 {
  font-size: 56px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 16px 0 20px;
  font-variation-settings: "opsz" 144;
}

.article-header .standfirst {
  font-size: 22px;
  font-style: italic;
  color: var(--muted);
  line-height: 1.5;
  max-width: 55ch;
  margin: 0 auto 24px;
}

.article-meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.article-body p {
  font-size: 19px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.article-body p:first-of-type::first-letter {
  font-size: 72px;
  float: left;
  line-height: 0.85;
  margin: 8px 10px 0 0;
  font-weight: 800;
  color: var(--accent);
  font-variation-settings: "opsz" 144;
}

.article-body h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 12px;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 24px;
  margin: 32px 0;
  font-size: 24px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.4;
}

.article-body ul, .article-body ol { margin: 16px 0 24px 24px; }
.article-body li { margin-bottom: 8px; font-size: 19px; line-height: 1.6; }

.article-body strong { font-weight: 700; }
.article-body em { font-style: italic; }

.pull-quote {
  font-size: 32px;
  line-height: 1.25;
  font-style: italic;
  text-align: center;
  margin: 56px 0;
  padding: 32px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  color: var(--accent-deep);
}

.article-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 3px double var(--ink);
  text-align: center;
}

.article-footer p {
  font-size: 15px;
  color: var(--muted);
  font-style: italic;
}

/* === Generic page === */
.page-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px;
}

.page-wrap h1 {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  font-variation-settings: "opsz" 144;
}

.page-wrap .lede {
  font-size: 20px;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}

.page-wrap h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 40px 0 16px;
  letter-spacing: -0.02em;
}

.page-wrap p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.page-wrap ul {
  margin: 16px 0 24px 24px;
}

.page-wrap li {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.page-wrap a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* Contact form */
.contact-form {
  background: var(--paper-warm);
  padding: 32px;
  border: 1px solid var(--ink);
  margin-top: 24px;
}

.form-row { margin-bottom: 18px; }

.form-row label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 6px;
  color: var(--accent);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--ink);
  background: var(--paper);
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
}

.form-row textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 14px 32px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: background 0.2s;
}

.form-submit:hover { background: var(--accent); }

/* === Responsive === */
@media (max-width: 900px) {
  .masthead { padding: 16px 24px 0; }
  .logo-text { font-size: 38px; }
  .logo-mark { font-size: 30px; }
  main { padding: 32px 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-sidebar { border-left: none; border-top: 1px solid var(--ink); padding-left: 0; padding-top: 32px; }
  .hero-feature h1 { font-size: 40px; }
  .hero-feature .standfirst { font-size: 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .manifesto { margin: 0 -24px; padding: 48px 24px; }
  .manifesto h2 { font-size: 28px; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 28px; }
  .note-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; padding: 32px 24px; gap: 32px; }
  .footer-base { padding: 16px 24px; }
  .article-wrap, .page-wrap { padding: 32px 24px; }
  .article-header h1 { font-size: 36px; }
  .article-body p { font-size: 17px; }
  .article-body p:first-of-type::first-letter { font-size: 56px; }
  .pull-quote { font-size: 22px; }
  .page-wrap h1 { font-size: 36px; }
  .primary-nav { gap: 18px; font-size: 11px; }
}

@media (max-width: 500px) {
  .masthead-top { flex-direction: column; gap: 4px; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .feature-card h3 { font-size: 22px; }
  .editor-note { padding: 32px 24px; }
}