/* Light BlackThread style shared by the refreshed static pages. */
:root {
  --bg: #fafaf7;
  --bg-alt: #f2f0ea;
  --bg-dark: #141413;
  --text: #1a1a1a;
  --text-body: #2c2c2c;
  --text-muted: #6b6a65;
  --text-on-dark: #f5f4ee;
  --text-on-dark-muted: #a8a6a0;
  --border: #e0ddd4;
  --border-strong: #c9c5b9;
  --accent: #b23a2e;
  --accent-hover: #962f25;
  --accent-soft: rgba(178, 58, 46, 0.08);
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --max: 1180px;
  --radius: 4px;
  --black: var(--bg);
  --red: var(--accent);
  --red-dim: var(--accent-hover);
  --offwhite: var(--text);
  --silver: var(--text-muted);
  --card: var(--bg-alt);
  --border-mid: var(--border);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before,
.hero-bg-text,
.hero-scroll {
  display: none;
}

a {
  color: inherit;
}

::selection {
  background: var(--accent);
  color: var(--text-on-dark);
}

.container {
  max-width: var(--max);
  padding: 0 32px;
}

.display,
.serif {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.mono {
  font-family: var(--mono);
  letter-spacing: 0.1em;
}

nav,
nav.scrolled {
  position: sticky;
  top: 0;
  left: auto;
  right: auto;
  z-index: 50;
  background: rgba(250, 250, 247, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px max(24px, calc((100vw - var(--max)) / 2 + 32px));
}

.nav-logo {
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav-logo img {
  display: none;
}

.nav-logo::before {
  content: '';
  width: 22px;
  height: 22px;
  display: inline-block;
  background:
    radial-gradient(circle at 50% 50%, var(--accent) 0 3px, transparent 3.5px),
    linear-gradient(158deg, transparent 0 46%, var(--text) 46% 53%, transparent 53%);
}

.nav-logo::after {
  content: 'BlackThread';
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-body);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.nav-cta,
.btn-primary,
.submit-button,
.form-submit,
.service-cta,
.btn-white {
  background: var(--text);
  border: 1px solid var(--text);
  border-radius: var(--radius);
  color: var(--text-on-dark);
  cursor: pointer;
  display: inline-block;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  padding: 14px 24px;
  text-decoration: none;
  text-transform: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.nav-cta {
  padding: 9px 18px;
}

.nav-cta:hover,
.btn-primary:hover,
.submit-button:hover,
.form-submit:hover,
.service-cta:hover,
.btn-white:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-on-dark);
  transform: none;
}

.btn-outline,
.btn-secondary {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--text);
  color: var(--text);
  display: inline-block;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  padding: 0 0 2px;
  text-decoration: none;
  text-transform: none;
}

.btn-outline:hover,
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: none;
}

#hero {
  min-height: auto;
  overflow: hidden;
  padding: 112px max(24px, calc((100vw - var(--max)) / 2 + 32px)) 88px;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.hero-tag,
.section-eyebrow,
.about-label,
.audit-cta-label,
.price-label,
.stat-label,
.who-range,
.service-sub,
.contact-detail-label,
.form-label {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-headline {
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(44px, 6.4vw, 84px);
  font-weight: 400;
  line-height: 1.05;
  max-width: 980px;
}

.hero-headline em {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  color: var(--text-body);
  font-family: var(--sans);
  font-size: 19px;
  line-height: 1.55;
  max-width: 700px;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

section {
  padding: 88px 0;
}

.compact-section,
#process,
section[style*='background: var(--card)'] {
  background: var(--bg-alt) !important;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title,
.about-headline,
.audit-headline {
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(36px, 4.4vw, 56px);
  font-weight: 400;
  line-height: 1.1;
  max-width: 820px;
}

.problem-layout,
.about-layout,
.audit-layout,
.contact-layout {
  align-items: start;
  display: grid;
  gap: 64px;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
}

.problem-body p,
.about-right p,
.audit-desc,
.audit-cta-note,
.who-desc,
.service-desc,
.deliverable-card p,
.ps-desc,
.contact-detail-value {
  color: var(--text-body) !important;
  font-family: var(--sans) !important;
  font-size: 16px;
  line-height: 1.65;
}

.problem-body p + p,
.about-right p + p {
  margin-top: 18px;
}

.pain-list,
.service-includes,
.audit-steps {
  list-style: none;
}

.pain-list li,
.service-includes li,
.audit-steps li {
  border-top: 1px solid var(--border);
  color: var(--text-body);
  display: flex;
  gap: 12px;
  padding: 10px 0;
}

.pain-list li::before,
.service-includes li::before,
.audit-steps li::before {
  color: var(--accent);
  content: '+';
  flex: 0 0 auto;
  font-family: var(--mono);
}

.stats-bar {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid,
.services-grid,
.who-grid,
.deliverable-grid,
.process-steps {
  display: grid;
  gap: 24px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.services-grid,
.deliverable-grid,
.process-steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.who-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-item,
.service-card,
.who-card,
.deliverable-card,
.process-step,
.audit-cta-box,
.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-body);
  padding: 32px;
}

.stat-item {
  border-right: 1px solid var(--border);
  padding: 24px 28px;
}

.stat-num,
.service-num,
.service-name,
.price-value,
.who-title,
.deliverable-card h3,
.ps-title,
.timeline-event,
.audit-cta-title {
  color: var(--text);
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.stat-num {
  font-size: 34px;
}

.service-num {
  color: var(--accent);
  font-size: 20px;
}

.service-name,
.who-title,
.audit-cta-title {
  font-size: 28px;
  line-height: 1.15;
}

.service-price {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 24px 0;
  padding: 16px 0;
}

.price-value {
  font-size: 24px;
}

.who-icon {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
}

.timeline {
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

.timeline-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.timeline-era,
.timeline-detail {
  color: var(--text-muted);
}

.audit-steps {
  margin-top: 32px;
}

.step-num {
  color: var(--accent);
  font-size: 24px;
}

.step-text strong {
  color: var(--text);
  display: block;
}

.deliverable-map,
.roadmap-lines,
.shortlist {
  color: var(--text-body);
}

.shortlist span,
.deliverable-map span {
  border: 1px solid var(--border);
  display: inline-block;
  margin: 4px 4px 4px 0;
  padding: 6px 10px;
}

.roadmap-lines span {
  background: var(--accent);
  display: block;
  height: 4px;
  margin: 12px 0;
}

.contact-detail {
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

.contact-detail-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.reveal {
  opacity: 1;
  transform: none;
}

.form-field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.form-input,
.form-field input,
.form-field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  padding: 14px 16px;
  width: 100%;
}

.form-input:focus,
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  outline: none;
}

footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  padding: 48px 0;
}

.footer-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}

.footer-logo {
  color: var(--text);
  font-family: var(--serif);
  font-size: 24px;
}

.footer-logo img {
  display: none;
}

.footer-logo::after {
  content: 'BlackThread';
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a,
.footer-copy {
  color: var(--text-muted);
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: none;
}

@media (max-width: 900px) {
  nav,
  nav.scrolled {
    padding: 16px 22px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: inline-block;
  }

  #hero {
    padding: 80px 22px 72px;
  }

  section {
    padding: 72px 0;
  }

  .container {
    padding: 0 22px;
  }

  .problem-layout,
  .about-layout,
  .audit-layout,
  .contact-layout,
  .stats-grid,
  .services-grid,
  .who-grid,
  .deliverable-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}