/* The Sales Builder — Ironworks System
   Ink #0B0B0C / Bone #F4F1EA / Rust #C1502E / Steel #1B4F91
   Anton (display) / Public Sans (body) / IBM Plex Mono (labels) */

:root {
  --ink: #0B0B0C;
  --bone: #F4F1EA;
  --rust: #C1502E;
  --steel: #1B4F91;
  --spark: #FFC72C;
  --bone-dim: #E4DFD3;
  --ink-soft: #1A1A1C;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, h3 {
  font-family: 'Anton', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0 0 0.4em 0;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em 0; }

a { color: inherit; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  display: block;
  margin-bottom: 0.9em;
}

.eyebrow.on-dark { color: var(--steel); }
.eyebrow.rust { color: var(--rust); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* Nav */
.site-nav {
  background: var(--ink);
  color: var(--bone);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 3px solid var(--steel);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.wordmark {
  font-family: 'Anton', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--bone);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.wordmark .dot { color: var(--rust); }
.wordmark .sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--bone-dim);
  text-transform: uppercase;
  margin-left: 10px;
  align-self: center;
}

.nav-links {
  display: flex;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bone-dim);
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--bone);
  border-color: var(--steel);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 30px;
  border: 2px solid var(--ink);
  color: var(--ink);
  background: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--ink); color: var(--bone); }

.btn.primary {
  background: var(--steel);
  border-color: var(--steel);
  color: var(--bone);
}
.btn.primary:hover { background: var(--ink); border-color: var(--ink); }

.btn.on-dark {
  border-color: var(--bone);
  color: var(--bone);
}
.btn.on-dark:hover { background: var(--bone); color: var(--ink); }

/* Sections */
section { padding: 88px 0; }
section.tight { padding: 56px 0; }

.section-ink {
  background: var(--ink);
  color: var(--bone);
}
.section-ink h1, .section-ink h2, .section-ink h3 { color: var(--bone); }

.section-rust-line {
  border-top: 1px solid var(--bone-dim);
}

/* Hero */
.hero {
  background: var(--ink);
  color: var(--bone);
  padding: 110px 0 90px;
  position: relative;
  border-bottom: 3px solid var(--steel);
}

.hero h1 { color: var(--bone); max-width: 900px; }
.hero .lede {
  font-size: 1.2rem;
  max-width: 640px;
  color: var(--bone-dim);
  margin-top: 22px;
}

.hero .cta-row {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Corner brackets — steel structural accent */
.bracket {
  position: relative;
}
.bracket::before, .bracket::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--steel);
}
.bracket::before { top: -10px; left: -10px; border-right: none; border-bottom: none; }
.bracket::after { bottom: -10px; right: -10px; border-left: none; border-top: none; }

/* Grid / cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 18px; }
  .site-nav .wordmark .sub { display: none; }
  .hero .wrap { text-align: center; }
  .hero .lede { margin-left: auto; margin-right: auto; }
  .hero .cta-row { justify-content: center; }
}

.card {
  background: var(--bone);
  border: 1px solid var(--ink);
  padding: 34px 28px;
}

.card.on-ink {
  background: var(--ink-soft);
  border: 1px solid #333;
  color: var(--bone);
}
.card.on-ink h3 { color: var(--bone); }

.card .num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--steel);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 14px;
}

/* Quote / statement block */
.statement {
  background: var(--ink);
  color: var(--bone);
  padding: 90px 0;
  text-align: left;
  position: relative;
}
.statement blockquote {
  font-family: 'Anton', sans-serif;
  font-size: clamp(1.8rem, 4.2vw, 2.9rem);
  line-height: 1.15;
  max-width: 880px;
  margin: 0;
  text-transform: none;
}
.statement cite {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 26px;
}

/* Article list (Insights) */
.article-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 28px;
  align-items: baseline;
  padding: 30px 0;
  border-top: 1px solid var(--ink);
}
.article-row:last-child { border-bottom: 1px solid var(--ink); }
.article-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--steel);
  letter-spacing: 0.06em;
}
.article-row h3 { margin-bottom: 8px; }
.article-row p { margin: 0; color: #333; }
.article-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rust);
  white-space: nowrap;
}

@media (max-width: 700px) {
  .article-row { grid-template-columns: 1fr; gap: 8px; }
}

/* Article / long-form post */
.article-meta {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.article-meta .tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rust);
  border: 1px solid var(--rust);
  padding: 4px 10px;
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
}
.article-body p {
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 1.3em;
  color: #1a1a1a;
}
.article-body h3 {
  font-family: 'Anton', sans-serif;
  text-transform: uppercase;
  font-size: 1.35rem;
  margin: 1.6em 0 0.6em;
  color: var(--ink);
}
.article-body h2 {
  font-family: 'Anton', sans-serif;
  text-transform: uppercase;
  font-size: 1.55rem;
  margin: 1.8em 0 0.7em;
  color: var(--ink);
  border-bottom: 2px solid var(--steel);
  padding-bottom: 0.35em;
}
.article-byline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: #555;
  margin: -8px 0 22px;
}
.article-cta {
  border: 1px solid var(--ink);
  border-left: 4px solid var(--steel);
  background: rgba(27,79,145,.04);
  padding: 28px 30px;
  margin: 2em 0;
}
.article-cta p {
  margin: 0 0 16px !important;
  font-size: 1.05rem !important;
}
.article-cta .btn { margin-top: 0; }
.article-sources {
  margin-top: 2.5em;
  padding-top: 1.5em;
  border-top: 1px solid #ddd;
  font-size: 0.85rem;
  color: #555;
}
.article-sources ol { padding-left: 1.2em; }
.article-sources li { margin-bottom: 0.4em; }
.related-box {
  margin-top: 2.5em;
  padding-top: 1.5em;
  border-top: 1px solid #ddd;
}
.related-box h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 14px;
}
.related-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.related-box li { margin-bottom: 8px; }
.related-box a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--rust);
}
.related-box a:hover { color: var(--rust); }
.article-body ul {
  margin: 0 0 1.3em 0;
  padding-left: 1.3em;
}
.article-body li {
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 0.5em;
  color: #1a1a1a;
}
.article-body .lede-p {
  font-size: 1.2rem;
  color: #333;
}
.back-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  text-decoration: none;
}

/* Newsletter */
.newsletter-section {
  background: var(--ink);
  border-top: 1px solid #2a2a2a;
  border-bottom: 3px solid var(--steel);
  padding: 64px 0;
}
.newsletter-section h3 {
  color: var(--bone);
  font-family: 'Anton', sans-serif;
  font-size: 1.7rem;
  margin: 0;
  text-transform: uppercase;
}
.newsletter-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.newsletter-input {
  flex: 1;
  min-width: 220px;
  background: var(--ink-soft);
  border: 2px solid #333;
  color: var(--bone);
  padding: 15px 18px;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.95rem;
}
.newsletter-input:focus {
  outline: none;
  border-color: var(--rust);
}
.newsletter-input::placeholder { color: #888; }
.newsletter-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: #888;
  margin-top: 12px;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--bone-dim);
  padding: 50px 0 36px;
  border-top: 3px solid var(--steel);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-mark {
  font-family: 'Anton', sans-serif;
  font-size: 1.1rem;
  color: var(--bone);
}
.footer-mark .dot { color: var(--rust); }
.footer-links {
  display: flex;
  gap: 22px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.footer-links a { text-decoration: none; color: var(--bone-dim); }
.footer-links a:hover { color: var(--rust); }
.footer-fine {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: #777;
  margin-top: 30px;
}

/* Utility */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.list-plain { list-style: none; padding: 0; margin: 0; }
.list-plain li { padding: 10px 0; border-top: 1px solid #ddd; }
.list-plain li:first-child { border-top: none; }

/* ---- Steel material system (v2 brand pass) ---- */

.steel-texture {
  background-image:
    linear-gradient(115deg, rgba(244,241,234,.035), transparent 34%),
    repeating-linear-gradient(90deg, rgba(244,241,234,.018) 0 1px, transparent 1px 7px);
}

.hero { background-image:
    linear-gradient(115deg, rgba(244,241,234,.035), transparent 34%),
    repeating-linear-gradient(90deg, rgba(244,241,234,.018) 0 1px, transparent 1px 7px);
}
.section-ink { background-image:
    linear-gradient(115deg, rgba(244,241,234,.03), transparent 34%),
    repeating-linear-gradient(90deg, rgba(244,241,234,.015) 0 1px, transparent 1px 7px);
}

.panel {
  border: 1px solid rgba(244,241,234,.18);
  background: rgba(244,241,234,.035);
}
.panel-light {
  border: 1px solid rgba(11,11,12,.18);
  background: var(--bone);
}

.rivet {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 2px solid var(--ink);
  background: var(--rust);
  box-shadow: inset 0 1px 0 rgba(244,241,234,.45);
}

.rule-accent {
  display: inline-block;
  height: 1px;
  background: linear-gradient(90deg, var(--rust) 0 80px, rgba(244,241,234,.18) 80px 100%);
  margin: 8px 0 14px;
}
.center .rule-accent, .wrap.center .rule-accent { background: var(--rust); }

/* Wordmark as image lockup (PK. mark + platform name) */
.wordmark-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.wordmark-lockup img {
  height: 30px;
  width: auto;
  display: block;
}
.wordmark-lockup .platform-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  border-left: 1px solid rgba(244,241,234,.3);
  padding-left: 12px;
  line-height: 1.3;
}
.footer-mark-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-mark-lockup img { height: 26px; width: auto; }

/* Teaser card (events, podcast) — solid, same weight as real content, drives to signup */
.placeholder-card {
  border: 1px solid rgba(244,241,234,.24);
  background: rgba(244,241,234,.05);
  padding: 40px 34px;
  text-align: left;
}
.placeholder-card .tag-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rust);
}

/* Subscribe popup */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11,11,12,.72);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.popup-overlay.visible { display: flex; }
.popup-card {
  background: var(--bone);
  color: var(--ink);
  max-width: 420px;
  width: 100%;
  padding: 38px 34px;
  position: relative;
  border-top: 4px solid var(--steel);
}
.popup-close {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.1rem;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  line-height: 1;
}
.popup-card h3 {
  margin: 0 0 14px;
  max-width: 320px;
}
.popup-card .newsletter-form { margin-top: 18px; }
.popup-card .newsletter-input {
  background: var(--bone);
  border: 2px solid var(--ink);
  color: var(--ink);
}
.popup-card .newsletter-note { color: #666; }

/* Footer socials */
.footer-social { display: flex; gap: 14px; margin-top: 14px; }
.footer-social a { color: var(--bone-dim); display: inline-flex; }
.footer-social a:hover { color: var(--steel); }

/* Event / episode format cards */
.format-card {
  border: 1px solid var(--ink);
  padding: 30px 26px;
  background: var(--bone);
}
.format-card h3 { margin-bottom: 10px; }
.format-card.on-ink {
  border-color: #333;
  background: var(--ink-soft);
  color: var(--bone);
}
.format-card.on-ink h3 { color: var(--bone); }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
}