/* ============================================================
   SIGNUM — CLASSICAL BRAND SYSTEM
   Private counsel for middle-market private equity.
   The signal in every deal.

   Register:   Classical, considered, restrained.
   Voice:      Lazard / Rothschild / Wachtell — not SaaS.
   Aesthetic:  Type, space, rules. Silence is a design element.
   ============================================================ */

/* ==========
   Tokens
   ========== */
:root {
  /* Palette — four colours only */
  --navy:       #0B1D33;
  --slate:      #424B57;
  --stone:      #E7E9EC;
  --parchment:  #F7F7F5;
  --paper:      #FDFDFB;   /* slightly lighter parchment for tonal alternation */

  /* Line rules */
  --rule-light: rgba(11, 29, 51, 0.14);
  --rule-dark:  rgba(255, 255, 255, 0.14);

  /* Legacy token shims — so existing class selectors keep rendering  */
  /* in the new palette without touching HTML.                        */
  /* Palette is strictly Navy / Slate / Stone / Parchment.            */
  --graphite:         var(--navy);
  --slate-dark:       var(--slate);
  --admiral:          var(--navy);
  --admiral-hover:    var(--navy);
  --admiral-light:    rgba(11, 29, 51, 0.06);
  --cloud:            var(--parchment);
  --white:            var(--paper);
  --smoke:            var(--slate);
  --ash:              var(--slate);
  --fog:              var(--stone);
  --border-light:     var(--rule-light);
  --border-dark:      var(--rule-dark);
  --error:            var(--slate);
  --warning:          var(--slate);
  --success:          var(--navy);
  --success-light:    rgba(11, 29, 51, 0.06);

  --radius: 0px;            /* right angles */
  --max-width: 1500px;
  --section-padding: 9rem 0;   /* 144px, close to 140 from brief */
  --content-padding: 0 4rem;   /* 64px desktop gutter */

  --font-display: 'Cormorant Garamond', 'Cormorant', 'EB Garamond', Garamond, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  /* Mono retired — chrome/meta labels now use Inter tracked uppercase */
  --font-mono:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ==========
   Reset / base
   ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--parchment);
  color: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Photography renders in colour — insights feel too flat desaturated.
   Individual sections (e.g. Industries) can re-apply grayscale where useful. */

/* Kill decorative imagery outside Insights + Industries — photography cheapens
   the register elsewhere. Industry cards get their images back (Kiran, Apr 2026),
   Insights article covers were always kept. */
.hero-photo,
.wwd-image,
.about-image,
.cta-image,
.book-image { display: none !important; }

/* ==========
   Typography primitives
   ========== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(3rem, 6.2vw, 4.5rem);  letter-spacing: -0.018em; line-height: 1.0; }
h2 { font-size: clamp(2.4rem, 4.2vw, 3.6rem); letter-spacing: -0.018em; line-height: 1.05; }
h3 { font-size: clamp(1.6rem, 2.4vw, 2rem);   letter-spacing: -0.012em; line-height: 1.1; }
h4 { font-size: 0.72rem; font-family: var(--font-mono); font-weight: 400;
     letter-spacing: 0.22em; text-transform: uppercase; color: var(--slate); }

em, i { font-family: var(--font-display); font-style: italic; font-weight: 400; }

p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate);
  font-weight: 400;
}

/* The canonical eyebrow — tracked mono, used above every H2 */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;            /* 11px */
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 1.75rem;
  display: block;
}

/* Dark-section eyebrow — warm parchment, high contrast, weightier than body */
.section-dark .eyebrow { color: var(--parchment); opacity: 0.95; font-weight: 600; }

/* Meta label — JetBrains Mono, for exhibit numbering, document chrome */
.u-meta, .agent-visual-name, .insight-meta, .insight-tag,
.testimonial-attribution, .trust-metric-title,
.experience-strip-label, .cta-card-sub, .footer-copyright,
.nav-links a, .footer-col h4, .agent-tab,
.agent-progress-stat-label, .agent-visual-row-badge,
.agent-trace-counter-label, .agent-earnings-card-label,
.agent-flag-severity, .agent-trace-source-page,
.agent-trace-finding-label, .agent-waterfall-label {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* ==========
   Layout containers
   ========== */
.inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
  width: 100%;
}

.section-light   { background: var(--parchment); padding: var(--section-padding); }
.section-cloud   { background: var(--paper);     padding: var(--section-padding); }
.section-dark    { background: var(--navy);      padding: var(--section-padding); color: var(--parchment); }

/* Tight the seam between Industries → Our Technology (both section-light) */
#industries { padding-bottom: 5rem; }
#our-technology { padding-top: 5rem; }
.section-dark p            { color: rgba(247, 247, 245, 0.7); }
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4           { color: var(--parchment); }

/* Entrance transitions — gated behind .js-enabled so content stays visible
   when JavaScript hasn't run or an element is outside any observed region.
   The site's inline script adds .js-enabled to <html> early, then the
   IntersectionObserver toggles .visible per element. */
.js-enabled .animate-in { opacity: 0; transform: translateY(12px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js-enabled .animate-in.visible { opacity: 1; transform: translateY(0); }

.js-enabled .stagger-grid > * { opacity: 0; transform: translateY(12px); transition: opacity 0.55s ease, transform 0.55s ease; }
.js-enabled .stagger-grid.visible > * { opacity: 1; transform: translateY(0); }
.js-enabled .stagger-grid.visible > *:nth-child(1) { transition-delay: 0s; }
.js-enabled .stagger-grid.visible > *:nth-child(2) { transition-delay: 0.08s; }
.js-enabled .stagger-grid.visible > *:nth-child(3) { transition-delay: 0.16s; }
.js-enabled .stagger-grid.visible > *:nth-child(4) { transition-delay: 0.24s; }
.js-enabled .stagger-grid.visible > *:nth-child(5) { transition-delay: 0.32s; }

/* Respect reduced-motion: skip entrance animations entirely. */
@media (prefers-reduced-motion: reduce) {
  .js-enabled .animate-in,
  .js-enabled .stagger-grid > * { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ==========
   Buttons  — declarative, no marketing lift
   ========== */
.btn-primary, .btn-primary-light {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  background: var(--navy);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--navy);
  border-radius: 0;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}
.btn-primary:hover, .btn-primary-light:hover {
  background: transparent;
  color: var(--navy);
}

.section-dark .btn-primary-light,
.section-dark .btn-primary {
  background: var(--parchment);
  color: var(--navy);
  border-color: var(--parchment);
}
.section-dark .btn-primary-light:hover,
.section-dark .btn-primary:hover {
  background: transparent;
  color: var(--parchment);
  border-color: var(--parchment);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 0;
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule-light);
  transition: border-color 0.25s ease;
}
.btn-ghost:hover { border-bottom-color: var(--navy); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule-light);
  padding-bottom: 0.35rem;
  transition: border-color 0.25s ease, gap 0.25s ease;
}
.text-link:hover { border-bottom-color: var(--navy); gap: 0.75rem; }
.text-link .arrow { transition: transform 0.2s ease; }

.u-arrow { font-family: var(--font-body); font-size: 1em; margin-left: 0.35em; }

/* ==========
   Navigation — horizontal lockup
   ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(247, 247, 245, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom-color: var(--rule-light);
  padding: 0.85rem 0;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Wordmark — Cormorant, tracked +240‰ */
.nav-brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  line-height: 1;
}
.nav.scrolled .nav-brand { color: var(--navy); }

/* Submark S seal — preserved via .nav-mark element, restyled */
.nav-mark {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  flex-shrink: 0;
}
/* The old three-bar children are hidden; the "S" is injected */
.nav-mark span, .footer-brand .nav-mark span,
.agent-screen-logo-mark span { display: none; }
.nav-mark::before,
.footer-brand .nav-mark::before,
.agent-screen-logo-mark::before {
  content: "S";
  font-family: var(--font-display);
  font-weight: 500;
}

.nav-right { display: flex; align-items: center; gap: 2.5rem; }

.nav-links {
  display: flex; align-items: center;
  list-style: none;
  gap: 2.25rem;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  transition: color 0.2s ease;
}
.nav-links a:hover,
.nav.scrolled .nav-links a:hover { color: var(--navy); }
.nav-links a.active { color: var(--navy); }
.nav.scrolled .nav-links a { color: var(--slate); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.2rem;
  background: var(--navy);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--navy);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.nav-cta:hover { background: transparent; color: var(--navy); border-color: var(--navy); }

/* ==========
   Hero
   ========== */
#hero {
  min-height: 100vh;
  padding: 9rem 0 2.5rem;
  display: flex;
  flex-direction: column;
  /* Cityscape sits behind a lighter parchment veil so the skyline reads,
     while the text area on the left stays a softer wash for legibility. */
  background:
    linear-gradient(90deg,
      rgba(247, 247, 245, 0.92) 0%,
      rgba(247, 247, 245, 0.76) 45%,
      rgba(247, 247, 245, 0.48) 75%,
      rgba(247, 247, 245, 0.36) 100%),
    url("hero_city_scape.webp") center right / cover no-repeat,
    var(--parchment);
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  box-sizing: border-box;
}
.hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 90ch;
}
.hero-text .eyebrow { color: var(--slate); }
.hero-text h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.018em;
  color: var(--navy);
  margin-bottom: 1.75rem;
  max-width: 28ch;
}
.hero-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.35vw, 1.25rem);
  line-height: 1.6;
  color: var(--slate);
  margin-bottom: 2.25rem;
  max-width: 78ch; /* fits the sub on 2 lines at 1440px */
}
.hero-actions { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }

.hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(0.95);
}

.hero-footer {
  border-top: 1px solid var(--rule-light);
  margin-top: auto;
  padding-top: 2rem;
}
/* One flex row — label + 6 logos spread with equal gaps (space-between).
   No own max-width/padding: it sits inside .hero-inner which already
   clamps width and applies horizontal padding. */
.experience-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
}
.experience-strip-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  flex-shrink: 0;
}
.experience-strip-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--navy);
  opacity: 1;
  white-space: nowrap;
}

/* ==========
   What We Do — left heading / right accordion.
   Two-column layout; the accordion is closed by default. */
#what-we-do { padding: 6rem 0 6rem; }
.wwd-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.wwd-intro { max-width: 520px; margin-bottom: 0; position: sticky; top: 6rem; }
.wwd-intro h2 { margin-bottom: 1.5rem; max-width: none; line-height: 1.0; }
.wwd-lede {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--slate);
  max-width: 52ch;
}

.wwd-accordion {
  border-top: 1px solid var(--rule-light);
}
.wwd-service {
  border-bottom: 1px solid var(--rule-light);
  background: transparent;
}
.wwd-service-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  width: 100%;
  padding: 1.25rem 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--navy);
  transition: color 0.25s ease;
}
.wwd-service-header:hover { color: var(--admiral, var(--navy)); }
.wwd-service-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--slate);
  letter-spacing: 0.02em;
  min-width: 2.25rem;
}
.wwd-service.active .wwd-service-num { color: var(--navy); }
.wwd-service-header h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.1vw, 1.85rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: -0.012em;
  margin: 0;
  line-height: 1.2;
}
.wwd-service-toggle {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.wwd-service-toggle::before,
.wwd-service-toggle::after {
  content: "";
  position: absolute;
  background: var(--navy);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.wwd-service-toggle::before {
  top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-0.5px);
}
.wwd-service-toggle::after {
  left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-0.5px);
}
.wwd-service.active .wwd-service-toggle::after { opacity: 0; transform: translateX(-0.5px) rotate(90deg); }

.wwd-service-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.wwd-service.active .wwd-service-body {
  max-height: 260px;
  padding: 0 0 1.25rem;
}
.wwd-service-body p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--slate);
  max-width: 68ch;
  margin-left: 4.25rem; /* align with the title column, not the number */
}

/* Legacy shim — if a grid layout ever renders this list, don't break it */
.wwd-services { display: block; }
.u-wwd-index { display: none; }

/* ==========
   Signum Impact — dark section, horizontal four-up
   ========== */
.about-grid {
  display: block;
}
.about-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
}
.about-content h2 { margin-bottom: 1.5rem; max-width: 16ch; }
.about-content p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 62ch;
}
.about-content .btn-primary-light { margin-top: 2rem; }

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-dark);
  border-left: 1px solid var(--rule-dark);
}
.trust-metric {
  padding: 2.5rem 2rem 2.75rem;
  border-right: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: transparent;
  transition: background-color 0.35s ease, transform 0.35s ease;
}
.trust-metric:hover {
  background-color: rgba(247, 247, 245, 0.04);
  transform: translateY(-2px);
}
.trust-metric:hover .trust-metric-title { color: #fff; }
.trust-metric:hover .trust-metric-desc { color: rgba(247, 247, 245, 0.9); }
.trust-metric-icon { display: none; }   /* No decorative icons */
.trust-metric-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 1.8vw, 1.9rem);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.15;
  text-transform: none;
  color: var(--parchment);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  transition: color 0.3s ease;
}
.trust-metric-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(247, 247, 245, 0.75);
  max-width: 44ch;
  transition: color 0.3s ease;
}

/* ==========
   Credibility strip — testimonials
   ========== */
.credibility-strip {
  background: var(--parchment);
  padding: 5rem 0;
  border-top: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
}
.testimonial-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}
/* Card is a column flex so quote sits at the top and attribution at the bottom —
   attributions across the row land at the same baseline even if quotes differ in length. */
.testimonial-card {
  border-left: 1px solid var(--rule-light);
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.testimonial-attribution {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: auto; /* pin to bottom */
}
.testimonial-row { align-items: stretch; }

/* ==========
   Industries
   ========== */
.industries-header { max-width: 780px; margin-bottom: 4rem; }
.industries-header h2 { margin-bottom: 1.25rem; }
.industries-header p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--slate);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-light);
  border-left: 1px solid var(--rule-light);
}
.industry-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border-right: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
  background: var(--paper);
  display: block;
}
.industry-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s ease;
  filter: saturate(0.78) contrast(1.02) brightness(0.92);
}
/* Very subtle hover — barely noticeable scale, no colour shift */
.industry-card:hover .industry-card-image { transform: scale(1.015); }

/* Soft dark veil so overlay copy stays legible */
.industry-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,29,51,0.15) 0%, rgba(11,29,51,0.75) 100%);
  pointer-events: none;
}

.industry-card-overlay {
  position: absolute;
  inset: 0;
  padding: 1.75rem 1.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.6rem;
  color: var(--parchment);
  z-index: 1;
}
.industry-card-overlay h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.75rem, 1.9vw, 2.05rem);
  line-height: 1.05;
  color: var(--parchment);
  margin-bottom: 0;
  letter-spacing: -0.01em;
}
.industry-card-overlay p {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  line-height: 1.5;
  color: rgba(247, 247, 245, 0.82);
  margin: 0;
}

/* Two-column tag list inside each industry card. Left-aligned so the items
   stack neatly into tidy columns rather than running as a middot-separated
   inline list. */
.industry-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 0.75rem;
  row-gap: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.68rem;
  line-height: 1.35;
  color: rgba(247, 247, 245, 0.85);
}
.industry-card-list li {
  padding: 0;
  margin: 0;
}

/* ==========
   Our Technology — tabs and panels
   ========== */
.tech-header { max-width: 720px; margin-bottom: 3rem; }
.tech-header h2 { margin-bottom: 1.25rem; }
.tech-header p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--slate);
}

/* Tab bar sits on a warm stone backdrop so it reads as a distinct control
   surface separate from the agent panel below. */
.agent-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  background: var(--stone);
  border: 1px solid var(--rule-light);
  border-radius: 2px;
  overflow: hidden;
}
.agent-tab {
  flex: 1;
  padding: 1.1rem 1rem;
  background: transparent;
  border: none;
  border-right: 1px solid rgba(11, 29, 51, 0.08);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
  text-align: center;
}
.agent-tab:last-child { border-right: none; }
.agent-tab:hover { color: var(--navy); background: rgba(11, 29, 51, 0.06); }
.agent-tab.active {
  color: var(--parchment);
  background: var(--navy);
  font-weight: 500;
}

.agent-panels { position: relative; }
.agent-panel {
  display: none;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}
.agent-panel.active { display: grid; }
.agent-panel-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.4vw, 2.2rem);
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 1.25rem;
  line-height: 1.15;
  letter-spacing: -0.015em;
  max-width: none;
  white-space: nowrap;
}
.agent-panel-copy > p {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--slate);
  margin-bottom: 1.75rem;
  max-width: 54ch;
}
.agent-capabilities {
  list-style: none;
  border-top: 1px solid var(--rule-light);
}
.agent-capabilities li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule-light);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--slate);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.agent-capabilities li::before {
  content: "—";
  color: var(--slate);
  flex-shrink: 0;
}
.agent-capabilities li svg { display: none; }

/* Panel visual — simplified, monochrome exhibit */
.agent-panel-visual { position: relative; }
.agent-panel-visual::before { display: none; }
.agent-monitor-frame { display: none; }
.agent-screen {
  background: var(--paper);
  border: 1px solid var(--rule-light);
  padding: 2rem;
  font-family: var(--font-body);
  color: var(--navy);
  position: relative;
  box-sizing: border-box;
}
.agent-screen-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-light);
}
.agent-screen-logo-mark {
  width: 16px; height: 16px;
  border: 1px solid var(--navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 0.6rem;
  line-height: 1;
}
.agent-screen-logo-text {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.agent-visual-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-light);
}
.agent-visual-icon { display: none; }
.agent-visual-name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
}
.agent-visual-status {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--slate);
  font-style: italic;
}
.agent-visual-status::before { display: none; }

.agent-visual-rows { display: flex; flex-direction: column; gap: 0; }
.agent-visual-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule-light);
  font-size: 0.78rem;
}
.agent-visual-row:last-child { border-bottom: none; }
.agent-visual-row-icon { display: none; }
.agent-visual-row-text { flex: 1; font-family: var(--font-body); color: var(--navy); }
.agent-visual-row-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.agent-progress {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule-light);
  margin-bottom: 1rem;
}
.agent-progress-stat { text-align: left; }
.agent-progress-stat-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
  color: var(--navy);
  line-height: 1;
}
.agent-progress-stat-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 0.25rem;
}
.agent-progress-bar {
  flex: 1;
  height: 1px;
  background: var(--stone);
  position: relative;
}
.agent-progress-bar-fill {
  height: 1px;
  background: var(--navy);
}

/* Waterfall — navy and slate shades only */
.agent-waterfall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
  height: 160px;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-light);
}
.agent-waterfall-col { display: flex; flex-direction: column; align-items: center; height: 100%; }
.agent-waterfall-value {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.agent-waterfall-bar-area { position: relative; width: 100%; flex: 1; }
.agent-waterfall-bar {
  position: absolute; left: 15%; right: 15%;
}
.agent-waterfall-bar--reported { background: var(--navy); }
.agent-waterfall-bar--add      { background: var(--slate); }
.agent-waterfall-bar--sub      { background: var(--stone); }
.agent-waterfall-bar--adjusted { background: var(--navy); opacity: 0.85; }
.agent-waterfall-label {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 0.4rem;
  text-align: center;
}

.agent-earnings-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-light);
}
.agent-earnings-card {
  padding: 1rem 0.75rem;
  border-right: 1px solid var(--rule-light);
}
.agent-earnings-card:last-child { border-right: none; }
.agent-earnings-card-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.35rem;
}
.agent-earnings-card-value {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--navy);
}
.agent-earnings-card-value--admiral { color: var(--navy); font-style: italic; }

/* Trace map */
.agent-trace-map { display: flex; flex-direction: column; gap: 0; }
.agent-trace-link {
  display: grid;
  grid-template-columns: 90px 80px auto 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--rule-light);
}
.agent-trace-finding-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.agent-trace-finding-value {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
}
.agent-trace-arrow { display: flex; color: var(--slate); }
.agent-trace-arrow svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.agent-trace-source { display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.agent-trace-source-file {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--navy);
}
.agent-trace-source-page {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.agent-trace-counter {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-light);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.agent-trace-counter-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy);
}
.agent-trace-counter-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

/* Red flag cards — severity via type weight, not colour */
.agent-flags-list { display: flex; flex-direction: column; gap: 0; }
.agent-flag-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule-light);
  border-left: 2px solid transparent;
  padding-left: 1rem;
}
.agent-flag-card--high   { border-left-color: var(--navy); }
.agent-flag-card--medium { border-left-color: var(--slate); }
.agent-flag-card--low    { border-left-color: var(--stone); }
.agent-flag-severity {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--rule-light);
  color: var(--slate);
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.agent-flag-severity--high   { color: var(--navy); border-color: var(--navy); }
.agent-flag-severity--medium { color: var(--slate); }
.agent-flag-severity--low    { color: var(--slate); opacity: 0.7; }
.agent-flag-content { flex: 1; }
.agent-flag-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.agent-flag-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--slate);
}

/* ==========
   Insights — editorial cards
   ========== */
.insights-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
  gap: 3rem;
  flex-wrap: wrap;
}
.insights-header-text { max-width: 560px; }
.insights-header h2 { margin-bottom: 0; }

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.insight-card {
  display: block;
  color: inherit;
  transition: opacity 0.3s ease;
}
.insight-card:hover { opacity: 0.72; }
.insight-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--stone);
  margin-bottom: 1.5rem;
}
.insight-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.insight-card:hover .insight-image img { transform: scale(1.02); }
.insight-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.75rem;
}
.insight-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.insight-excerpt {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--slate);
  margin-bottom: 1rem;
}
.insight-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
  opacity: 0.85;
}

/* Coming-soon insight cards — designed placeholder, not broken-looking */
.insight-card--soon { cursor: default; }
.insight-card--soon:hover { opacity: 1; }
.insight-card--soon .insight-title { color: var(--slate); }
.insight-card--soon .insight-excerpt { color: var(--ash); }
.insight-image--soon {
  position: relative;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--stone) 100%);
  border: 1px solid var(--rule-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  overflow: hidden;
}
.insight-image--soon::before,
.insight-image--soon::after {
  content: "";
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  height: 1px;
  background: var(--rule-light);
  pointer-events: none;
}
.insight-image--soon::before { top: 1.25rem; }
.insight-image--soon::after  { bottom: 1.25rem; }
.insight-card--soon .insight-soon-seal {
  width: 56px;
  height: 56px;
  border-color: var(--navy);
  color: var(--navy);
}
.insight-card--soon .insight-soon-seal::before {
  font-size: 2rem;
  line-height: 1;
  color: var(--navy);
}
.insight-soon-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ==========
   Closing CTA — dark
   ========== */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 5rem;
  align-items: center;
}
.cta-left h2 { margin-bottom: 1.5rem; max-width: 28ch; white-space: normal; }
.cta-left p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 52ch;
}
.cta-card {
  background: var(--parchment);
  color: var(--navy);
  padding: 3rem 2.5rem;
  border: 1px solid var(--rule-dark);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cta-card-eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--navy);
}
.cta-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2vw, 1.95rem);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.012em;
  margin: 0;
}
.cta-card .btn-primary-light { align-self: flex-start; margin-top: 0.5rem; }

/* Legacy bullet list — retired in favour of a single punchy sentence */
.cta-card-sub, .cta-card-points { display: none; }
.cta-card .btn-primary-light,
.cta-card .btn-primary {
  background: var(--navy);
  color: var(--parchment);
  border-color: var(--navy);
}
.cta-card .btn-primary-light:hover,
.cta-card .btn-primary:hover {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

/* ==========
   Footer
   ========== */
#footer {
  background: var(--paper);
  border-top: 1px solid var(--rule-light);
  padding: 5rem 0 2.5rem;
  color: var(--slate);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--rule-light);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.footer-brand .nav-mark { color: var(--navy); border-color: var(--navy); }
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--slate);
  margin-top: 0.9rem;
  letter-spacing: 0.01em;
}
.footer-links-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  justify-self: end;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--slate);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--navy); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  gap: 2rem;
}
.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a {
  color: var(--slate);
  transition: color 0.2s ease;
  display: inline-flex;
}
.footer-socials a:hover { color: var(--navy); }
.footer-socials svg {
  width: 18px; height: 18px;
  fill: currentColor;
  stroke: none;
}

/* ==========
   Utilities — hero accent via italic
   ========== */
/* Italic accent — italicised for expression; palette-strict navy on light
   sections, parchment on dark so the word still reads as display emphasis. */
.u-hero-accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--navy);
  white-space: normal;
}
.section-dark .u-hero-accent { color: var(--parchment); }

.u-check { display: none; }

/* ==========
   Responsive
   ========== */
@media (max-width: 900px) {
  :root {
    --section-padding: 5rem 0;
    --content-padding: 0 1.5rem;
  }

  .nav-inner { gap: 1rem; }
  .nav-links { display: none; }
  .nav-right { gap: 0.75rem; }

  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-text h1 { font-size: 2.8rem; }
  .hero-sub { font-size: 1.15rem; }
  .hero-photo img { aspect-ratio: 4 / 3; }
  .experience-strip { gap: 1.5rem; justify-content: flex-start; flex-wrap: wrap; white-space: normal; }

  .wwd-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .wwd-content h2 { font-size: 2rem; }
  .wwd-split { grid-template-columns: 1fr; gap: 2.5rem; }
  .wwd-intro { position: static; max-width: none; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-header {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: stretch;
    margin-bottom: 2.5rem;
  }
  .about-content h2 { font-size: 2rem; max-width: none; }
  .about-content p { max-width: none; }
  .about-content .btn-primary-light,
  .about-header > .btn-primary-light {
    margin-top: 0.25rem;
    justify-self: flex-start;
  }

  .trust-metrics { grid-template-columns: 1fr; }

  .testimonial-row { grid-template-columns: 1fr; gap: 2rem; }

  .industries-grid { grid-template-columns: 1fr; }
  .industry-card { aspect-ratio: 3 / 2; }

  /* Tabs wrap to a 2x2 grid on mobile so they never force horizontal scroll */
  .agent-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
  }
  .agent-tab {
    flex: none;
    padding: 0.9rem 0.5rem;
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    border-right: 1px solid rgba(11, 29, 51, 0.08);
    border-bottom: 1px solid rgba(11, 29, 51, 0.08);
  }
  .agent-tab:nth-child(2n) { border-right: none; }
  .agent-tab:nth-last-child(-n+2) { border-bottom: none; }
  .agent-panel { grid-template-columns: 1fr; gap: 2.5rem; }
  .agent-panel-copy h3 { font-size: 1.6rem; }

  .insights-grid { grid-template-columns: 1fr; }

  .cta-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cta-left h2 { font-size: 2rem; }

  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
  .footer-links-group { justify-self: start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
}

/* ============================================================
   PAGE-SPECIFIC — book, insights, legal
   ============================================================ */

/* ==========
   Book page (book.html) — form lockup
   ========== */
.book-page {
  flex: 1;
  padding: 9rem 0 5rem;
  background: var(--parchment);
  display: flex;
  justify-content: center;
}
.book-container {
  max-width: 780px;
  width: 100%;
  padding: 0 2rem;
}
.book-header { margin-bottom: 3rem; }
.book-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--navy);
  margin-bottom: 1rem;
  max-width: 14ch;
}
.book-header p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--slate);
  max-width: 56ch;
}

.progress-bar {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  border-top: 1px solid var(--rule-light);
}
.progress-step {
  flex: 1;
  padding: 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  border-top: 1px solid transparent;
  margin-top: -1px;
  opacity: 0.5;
  transition: opacity 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.progress-step.active {
  opacity: 1;
  color: var(--navy);
  border-top-color: var(--navy);
}

.form-card {
  background: var(--paper);
  border: 1px solid var(--rule-light);
  padding: 3rem 2.5rem;
}
.form-step { display: none; }
.form-step.active { display: block; }
.step-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-light);
}

.field { margin-bottom: 1.75rem; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.65rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--navy);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule-light);
  outline: none;
  border-radius: 0;
  transition: border-color 0.2s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-bottom-color: var(--navy); }
.field input::placeholder,
.field textarea::placeholder { color: var(--slate); opacity: 0.55; }
.field input.error,
.field select.error,
.field textarea.error { border-bottom-color: var(--navy); }
.field .error-msg {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  margin-top: 0.4rem;
}
.field input.error + .error-msg,
.field select.error + .error-msg,
.field textarea.error + .error-msg { display: block; }

.deal-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.deal-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.deal-option label {
  display: block;
  padding: 1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--navy);
  background: var(--parchment);
  border: 1px solid var(--rule-light);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.deal-option label:hover { border-color: var(--slate); }
.deal-option input:checked + label {
  background: var(--navy);
  color: var(--parchment);
  border-color: var(--navy);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2rem;
}

.btn-next, .btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  background: var(--navy);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--navy);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn-next:hover, .btn-submit:hover { background: transparent; color: var(--navy); }
.btn-submit:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.95rem 0;
  background: transparent;
  border: none;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease;
}
.btn-back:hover { color: var(--navy); }

.form-success {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}
.form-success.active { display: block; }
.success-icon { display: none; }
.form-success h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 1rem;
}
.form-success p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--slate);
  margin-bottom: 2rem;
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}
.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule-light);
  padding: 0.5rem 0;
  transition: border-color 0.2s ease;
}
.btn-home:hover { border-bottom-color: var(--navy); }

.book-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 1.75rem 2rem;
}

.book-footer {
  text-align: center;
  padding: 3rem 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
}
.book-footer a { color: var(--navy); border-bottom: 1px solid var(--rule-light); }
.book-footer a:hover { border-bottom-color: var(--navy); }

.nav-back {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
}
.nav-back:hover { color: var(--navy); }

/* ==========
   Insights index (insights.html)
   ========== */
.page-header {
  padding: 10rem 0 4rem;
  background: var(--parchment);
  border-bottom: 1px solid var(--rule-light);
}
.page-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
}
.page-header-inner h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 6vw, 4.75rem);
  line-height: 1.0;
  letter-spacing: -0.018em;
  color: var(--navy);
  margin-bottom: 1.75rem;
  max-width: 20ch;
}
.page-header-inner p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--slate);
  max-width: 62ch;
}

.insights-section {
  padding: 5rem 0 9rem;
  background: var(--parchment);
}
.insights-section .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
}

.featured-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  padding: 0 0 4rem;
  border-bottom: 1px solid var(--rule-light);
  margin-bottom: 4rem;
  align-items: center;
  color: inherit;
  transition: opacity 0.3s ease;
}
.featured-card:hover { opacity: 0.72; }
.featured-card .insight-image {
  aspect-ratio: 4 / 3;
  margin-bottom: 0;
}
.featured-card .insight-body { padding: 0; }
.featured-card .insight-title {
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  line-height: 1.15;
}
/* "Latest" + category label render on one line on the featured card */
.featured-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 600;
  padding-right: 0.75rem;
  margin-right: 0.75rem;
  border-right: 1px solid var(--rule-light);
  display: inline-block;
  vertical-align: middle;
}
.featured-card .insight-tag {
  display: inline-block;
  vertical-align: middle;
  margin-bottom: 0;
}
.featured-card .insight-body > .insight-title { margin-top: 1rem; }

.filter-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--content-padding);
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule-light);
}
.filter-tab {
  padding: 0;
  background: transparent;
  border: none;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  cursor: pointer;
  transition: color 0.2s ease;
}
.filter-tab:hover { color: var(--navy); }
.filter-tab.active {
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 0.25rem;
}

/* ==========
   Article pages (Articles/*.html) — long-form editorial
   ========== */
.article-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 9rem 2rem 5rem;
  flex: 1;
}
.back-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 3rem;
  transition: color 0.2s ease;
}
.back-link:hover { color: var(--navy); }

.article-meta { margin-bottom: 3rem; }
.article-category {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 1.5rem;
}
.article-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--navy);
  margin-bottom: 1.5rem;
}
.article-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--slate);
  margin-bottom: 2rem;
  max-width: 64ch;
}
.article-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule-light);
}
.divider-dot {
  width: 3px; height: 3px;
  background: var(--rule-light);
  border-radius: 50%;
}

.article-cover { margin: 2.5rem 0 3rem; }
.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.article-body { font-family: var(--font-body); }
.article-body p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--slate);
  margin-bottom: 1.5rem;
}
.article-body p.lead {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.55;
  color: var(--navy);
  font-style: italic;
  margin-bottom: 2rem;
  font-weight: 400;
}
.article-body h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
}
.article-body h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
  letter-spacing: -0.005em;
}

.pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--navy);
  border-left: 2px solid var(--navy);
  padding: 0.75rem 0 0.75rem 2rem;
  margin: 2.5rem 0;
  max-width: 56ch;
}

.insight-block {
  background: var(--paper);
  border: 1px solid var(--rule-light);
  padding: 2rem 2.25rem;
  margin: 2rem 0;
}
.insight-block .insight-number {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.75rem;
}
.insight-block h3 { margin-bottom: 0.75rem; }
.insight-block p { margin-bottom: 0; font-size: 1rem; }

.data-callout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  margin: 2.5rem 0;
  border-top: 1px solid var(--rule-light);
  border-left: 1px solid var(--rule-light);
}
.data-callout-item {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
}
.data-callout-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--navy);
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}
.data-callout-label {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--slate);
}

.article-cta {
  margin-top: 4rem;
  padding: 3rem 2.5rem;
  background: var(--navy);
  color: var(--parchment);
  text-align: left;
}
.article-cta .eyebrow { color: rgba(247, 247, 245, 0.7); margin-bottom: 1rem; }
.article-cta h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--parchment);
  margin-bottom: 1rem;
  max-width: 24ch;
}
.article-cta p {
  font-family: var(--font-body);
  color: rgba(247, 247, 245, 0.75);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
  max-width: 52ch;
}
.article-cta .btn-primary {
  background: var(--parchment);
  color: var(--navy);
  border-color: var(--parchment);
}
.article-cta .btn-primary:hover {
  background: transparent;
  color: var(--parchment);
  border-color: var(--parchment);
}

.article-footer {
  background: var(--paper);
  border-top: 1px solid var(--rule-light);
  padding: 2.5rem 0;
}
.article-footer-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.footer-legal {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ==========
   Legal pages (privacy.html, terms.html) — long-form prose
   ========== */
.legal-page {
  flex: 1;
  padding: 9rem 0 5rem;
  background: var(--parchment);
}
.legal-page .inner { max-width: 760px; }
.legal-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--navy);
  margin-bottom: 1rem;
}
.legal-page h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.legal-page p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--slate);
  margin-bottom: 1.1rem;
  max-width: 66ch;
}
.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule-light);
}

@media (max-width: 900px) {
  .book-nav { padding: 1rem 1.25rem; gap: 1rem; }
  .book-page { padding: 2rem 0 3rem; }
  .book-header { margin-bottom: 2rem; }
  .book-container { padding: 0 1.25rem; }
  .form-card { padding: 2rem 1.5rem; }
  .deal-options { grid-template-columns: 1fr; }

  .featured-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .filter-bar { overflow-x: auto; }
  .filter-tab { flex: 0 0 auto; }

  .legal-page { padding: 6rem 0 3rem; }
}