/* ============================================================
   ARGENTUM TECH · holding hero stylesheet
   Direction B · Industrial Precision (locked 2026-05-19)
   See reference/design/argentum_brand_spec.md for source of truth.
   ============================================================ */

/* --- Tokens --- */
:root {
  --bg: #FAFAF8;
  --bg-card: #F0EDE8;
  --ink: #1C1C1E;
  --ink-soft: #3A3A3A;
  --rule: #E0DDD8;
  --accent: #D64B1A;
  --accent-hover: #B33E15;

  --fs-hero: clamp(40px, 7vw, 72px);
  --fs-h2: clamp(28px, 4vw, 44px);
  --fs-h3: 22px;
  --fs-body-lg: 18px;
  --fs-body: 16px;
  --fs-small: 14px;
  --fs-mono: 13px;
  --fs-mono-sm: 11px;

  --container: 1200px;
  --pad-x: 32px;
  --pad-x-mobile: 20px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* --- Shared layout --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* --- Wordmark (Concept B inline) --- */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1;
}
.wordmark-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  flex-shrink: 0;
}

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  transition: background 150ms ease;
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-size: var(--fs-small);
  font-weight: 500;
  padding: 8px 12px;
  color: var(--ink-soft);
  transition: background 150ms ease, color 150ms ease;
}
.nav-link:hover {
  background: var(--bg-card);
  color: var(--ink);
}
.nav-link.is-active {
  color: var(--ink);
  position: relative;
}
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 1px;
  background: var(--accent);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--bg);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-left: 8px;
  transition: background 150ms ease;
}
.nav-cta:hover { background: var(--accent-hover); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  width: 40px;
  height: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  padding: 16px var(--pad-x-mobile) 24px;
  z-index: 99;
}
.mobile-menu.is-open {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu a {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--ink);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .nav-cta {
  margin: 12px 0 0;
  justify-content: center;
}

/* --- Hero --- */
.hero {
  position: relative;
  background: var(--bg);
  color: var(--ink);
  padding: 96px var(--pad-x) 96px;
  overflow: hidden;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: 0 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(250,250,248,0.0), rgba(250,250,248,0.7) 50%, rgba(250,250,248,0.0));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  align-items: center;
}
.hero-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-hero);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin-bottom: 24px;
  color: var(--ink);
}
.hero-sub {
  font-size: var(--fs-body-lg);
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 32px;
  max-width: 56ch;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 22px;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary .btn-arrow { transition: transform 150ms ease; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-link {
  background: transparent;
  color: var(--ink);
  padding: 14px 0;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--ink);
}
.btn-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.btn-link .btn-arrow { transition: transform 150ms ease; }
.btn-link:hover .btn-arrow { transform: translateX(4px); }

.hero-diagram {
  aspect-ratio: 1 / 1;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.hero-diagram-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
.hero-diagram svg {
  width: 100%;
  height: auto;
  margin-top: auto;
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.3fr 1fr; gap: 64px; }
}

/* --- Numbers bar --- */
.numbers {
  position: relative;
  background: var(--bg);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 48px var(--pad-x);
}
.numbers-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.numbers-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.numbers-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}
.stat {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 20px;
  transition: border-color 150ms ease;
}
.stat:hover { border-color: var(--accent); }
.stat-val {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}
.stat-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
@media (min-width: 700px) {
  .numbers-grid { grid-template-columns: repeat(4, 1fr); }
}

/* --- Services overview (home page) --- */
.services-overview {
  background: var(--bg);
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.services-overview-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.services-overview-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.services-overview h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.services-overview-intro {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-top: 24px;
  margin-bottom: 40px;
  max-width: 64ch;
}
.services-overview-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-bottom: 32px;
}
.service-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  color: var(--ink);
  transition: border-color 150ms ease, background 150ms ease;
}
.service-row:hover {
  border-color: var(--accent);
}
.service-row-name {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  line-height: 1.3;
}
.service-row-role {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.service-row-indicator {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono);
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.service-row-link {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.service-row:hover .service-row-link {
  color: var(--accent);
}
.service-row:hover .btn-arrow {
  transform: translateX(4px);
}
.service-row .btn-arrow {
  transition: transform 150ms ease;
}
.services-overview-tail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 4px 0;
  transition: color 150ms ease, border-color 150ms ease;
}
.services-overview-tail:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.services-overview-tail .btn-arrow {
  transition: transform 150ms ease;
}
.services-overview-tail:hover .btn-arrow {
  transform: translateX(4px);
}
@media (min-width: 700px) {
  .service-row {
    grid-template-columns: 1.4fr 2fr 1fr auto;
    align-items: center;
    gap: 24px;
  }
}

/* --- Cycle block (home page) --- */
.cycle-block {
  background: var(--bg-card);
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.cycle-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.cycle-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.cycle-block h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.cycle-sub {
  font-size: var(--fs-body-lg);
  color: var(--ink);
  line-height: 1.5;
  margin-top: 24px;
  margin-bottom: 40px;
}
.cycle-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 32px;
}
.cycle-step {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cycle-step-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
}
.cycle-step-title {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  line-height: 1.2;
}
.cycle-step-body {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.cycle-footnote {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  line-height: 1.5;
}
@media (min-width: 700px) {
  .cycle-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .cycle-grid { grid-template-columns: repeat(4, 1fr); }
}

/* --- Proof block (home page) --- */
.proof-block {
  background: var(--bg);
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.proof-inner {
  max-width: 720px;
  margin: 0 auto;
}
.proof-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.proof-block h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.proof-block p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-top: 24px;
}
.proof-block p + p {
  margin-top: 20px;
}

/* --- About teaser (home page) --- */
.about-teaser {
  background: var(--bg-card);
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.about-teaser-inner {
  max-width: 720px;
  margin: 0 auto;
}
.about-teaser-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.about-teaser h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.about-teaser p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-top: 24px;
  margin-bottom: 24px;
}
.about-teaser-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 4px 0;
  transition: color 150ms ease, border-color 150ms ease;
}
.about-teaser-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.about-teaser-link .btn-arrow {
  transition: transform 150ms ease;
}
.about-teaser-link:hover .btn-arrow {
  transform: translateX(4px);
}

/* --- Compliance section (services page) --- */
.compliance-block {
  background: var(--bg);
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.compliance-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.compliance-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.compliance-block h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.compliance-sub {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-top: 24px;
  margin-bottom: 40px;
  max-width: 64ch;
}
.compliance-table {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.compliance-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.compliance-row-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.compliance-row-title {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 8px;
}
.compliance-row-body {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.6;
  max-width: 64ch;
}
@media (min-width: 900px) {
  .compliance-row {
    grid-template-columns: 0.6fr 2fr;
    gap: 32px;
    align-items: start;
  }
}

/* --- Contact strip --- */
.contact-strip {
  background: var(--ink);
  color: var(--bg);
  padding: 80px var(--pad-x);
}
.contact-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 24px;
  align-items: end;
  grid-template-columns: 1fr;
}
.contact-strip-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
.contact-strip h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.contact-strip p {
  font-size: var(--fs-body-lg);
  color: rgba(250, 250, 248, 0.7);
  line-height: 1.5;
  max-width: 52ch;
}
.contact-strip-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.btn-on-dark-secondary {
  background: transparent;
  color: var(--bg);
  border: 1px solid var(--bg);
  padding: 14px 22px;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 150ms ease, color 150ms ease;
}
.btn-on-dark-secondary:hover {
  background: var(--bg);
  color: var(--ink);
}
@media (min-width: 900px) {
  .contact-strip-inner { grid-template-columns: 1.4fr 1fr; gap: 64px; }
  .contact-strip-ctas { justify-content: flex-end; }
}

/* --- Footer --- */
.footer {
  background: var(--bg);
  padding: 64px var(--pad-x) 32px;
  border-top: 1px solid var(--rule);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}
.footer-brand .wordmark { margin-bottom: 16px; }
.footer-tagline {
  font-size: var(--fs-small);
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: 40ch;
}
.footer h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: var(--fs-small);
  color: var(--ink);
  padding: 6px 0;
  transition: color 150ms ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.footer-meta div { padding: 2px 0; }
.footer-bottom {
  max-width: var(--container);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
@media (min-width: 700px) {
  .footer-inner { grid-template-columns: 2fr 1fr 1.4fr; gap: 48px; }
}

/* --- Page header (services, about, contact) --- */
.page-header {
  position: relative;
  background: var(--bg);
  padding: 80px var(--pad-x) 64px;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
  border-bottom: 1px solid var(--rule);
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(250,250,248,0.0), rgba(250,250,248,0.7) 70%);
  pointer-events: none;
}
.page-header-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
}
.page-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.page-header h1 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5.5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 20px;
}
.page-header-sub {
  font-size: var(--fs-body-lg);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 56ch;
}

/* --- Service block (services page) --- */
.service-block {
  padding: 80px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.service-block:nth-of-type(even) {
  background: var(--bg-card);
}
.service-block-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.service-name {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-rule {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 32px;
}
.service-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  margin-bottom: 40px;
}
.service-prose p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 60ch;
}
.service-prose p:last-child { margin-bottom: 0; }
.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 24px;
}
.service-block:nth-of-type(even) .spec-card {
  background: var(--bg);
}
.spec-card-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 12px;
}
.spec-card dl {
  display: grid;
  gap: 0;
}
.spec-card .spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.spec-card .spec-row:first-of-type { border-top: none; padding-top: 0; }
.spec-card .spec-row:last-of-type { padding-bottom: 0; }
.spec-card dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.spec-card dd {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-body);
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
}
.service-diagram {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 24px;
}
.service-block:nth-of-type(even) .service-diagram {
  background: var(--bg-card);
}
.service-diagram-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
.service-diagram svg {
  width: 100%;
  height: auto;
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .service-grid { grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
}

/* --- Generic CTA block (page-footer CTA across services/about) --- */
.cta-block {
  background: var(--ink);
  color: var(--bg);
  padding: 80px var(--pad-x);
}
.cta-block-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 24px;
  align-items: end;
  grid-template-columns: 1fr;
}
.cta-block-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
.cta-block h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.cta-block p {
  font-size: var(--fs-body-lg);
  color: rgba(250, 250, 248, 0.7);
  line-height: 1.5;
  max-width: 52ch;
}
.cta-block-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
@media (min-width: 900px) {
  .cta-block-inner { grid-template-columns: 1.4fr 1fr; gap: 64px; }
  .cta-block-ctas { justify-content: flex-end; }
}

/* --- About story block --- */
.story-block {
  padding: 80px var(--pad-x);
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.story-inner {
  max-width: 720px;
  margin: 0 auto;
}
.story-inner p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 20px;
}
.story-inner p:last-child { margin-bottom: 0; }

/* --- About numbers block --- */
.about-numbers {
  padding: 80px var(--pad-x);
  background: var(--bg-card);
  border-bottom: 1px solid var(--rule);
}
.about-numbers-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.about-numbers-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
}
.about-numbers-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
.about-numbers-grid .stat {
  background: var(--bg);
}
.stat-context {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}
.about-numbers-scope {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  line-height: 1.6;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
@media (min-width: 700px) {
  .about-numbers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .about-numbers-grid { grid-template-columns: repeat(4, 1fr); }
}

/* --- About: where we run --- */
.where-block {
  padding: 80px var(--pad-x);
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.where-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  align-items: center;
}
.where-text h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.where-text p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-top: 24px;
  max-width: 56ch;
}
.where-diagram {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 24px;
}
.where-diagram svg {
  width: 100%;
  height: auto;
  max-width: 420px;
  margin: 0 auto;
  display: block;
}
@media (min-width: 900px) {
  .where-inner { grid-template-columns: 1.2fr 1fr; gap: 64px; }
}

/* --- About: the group --- */
.group-block {
  padding: 80px var(--pad-x);
  background: var(--bg-card);
  border-bottom: 1px solid var(--rule);
}
.group-inner {
  max-width: 720px;
  margin: 0 auto;
}
.group-inner h2 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.group-inner p {
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 20px;
}
.group-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 4px 0;
  transition: color 150ms ease, border-color 150ms ease;
}
.group-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.group-link .btn-arrow { transition: transform 150ms ease; }
.group-link:hover .btn-arrow { transform: translateX(4px); }

/* --- Contact page: form + direct contact --- */
.contact-section {
  padding: 80px var(--pad-x);
  background: var(--bg);
}
.contact-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  align-items: start;
}
.contact-form-eyebrow,
.contact-direct-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
}
.contact-form-eyebrow { color: var(--ink-soft); }
.contact-form .field {
  margin-bottom: 20px;
}
.contact-form label.field-label,
.contact-form legend.field-label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
  padding: 0;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--rule);
  background: var(--bg);
  padding: 12px 14px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-body);
  color: var(--ink);
  border-radius: 2px;
  transition: border-color 150ms ease;
}
.contact-form textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-form .option-group {
  display: grid;
  gap: 8px;
}
.contact-form .option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  font-size: var(--fs-body);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 150ms ease;
}
.contact-form .option:hover { border-color: var(--accent); }
.contact-form .option input {
  margin: 0;
  accent-color: var(--accent);
}
.contact-form .submit-row {
  margin-top: 12px;
}
.submit-fallback-note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-top: 12px;
  line-height: 1.5;
}
.submit-fallback-note a {
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: color 150ms ease, border-color 150ms ease;
}
.submit-fallback-note a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.contact-direct {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 32px;
}
.contact-direct .direct-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
  margin-top: 24px;
}
.contact-direct .direct-label:first-child { margin-top: 0; }
.contact-direct .direct-value {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-body-lg);
  color: var(--ink);
  line-height: 1.5;
}
.contact-direct .direct-value a {
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: color 150ms ease, border-color 150ms ease;
}
.contact-direct .direct-value a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.contact-direct .direct-address {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono);
  line-height: 1.6;
  color: var(--ink);
}
.contact-direct .direct-address div { padding: 2px 0; }
.contact-direct .direct-response {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--fs-body);
  color: var(--ink-soft);
  line-height: 1.5;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}
@media (min-width: 900px) {
  .contact-inner { grid-template-columns: 1.4fr 1fr; gap: 64px; }
}

/* --- Coming-soon block (stub pages) --- */
.coming-soon {
  background: var(--bg);
  padding: 96px var(--pad-x);
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
}
.coming-soon-inner {
  max-width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.coming-soon-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 48px;
  max-width: 640px;
}
.coming-soon-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--fs-mono-sm);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
.coming-soon h1 {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.coming-soon p {
  font-size: var(--fs-body-lg);
  color: var(--ink-soft);
  line-height: 1.5;
  margin-bottom: 32px;
  max-width: 50ch;
}

/* --- Responsive --- */
@media (max-width: 899px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero { padding: 64px var(--pad-x-mobile); }
  .nav-container { padding: 0 var(--pad-x-mobile); }
  .numbers { padding: 32px var(--pad-x-mobile); }
  .contact-strip { padding: 56px var(--pad-x-mobile); }
  .footer { padding: 48px var(--pad-x-mobile) 24px; }
  .coming-soon { padding: 64px var(--pad-x-mobile); }
  .coming-soon-card { padding: 28px; }
  .footer-bottom { padding: 24px var(--pad-x-mobile) 0; flex-direction: column; gap: 12px; align-items: flex-start; }
  .page-header { padding: 56px var(--pad-x-mobile) 40px; }
  .service-block { padding: 56px var(--pad-x-mobile); }
  .cta-block { padding: 56px var(--pad-x-mobile); }
  .story-block,
  .about-numbers,
  .where-block,
  .group-block,
  .contact-section { padding: 56px var(--pad-x-mobile); }
  .contact-direct { padding: 24px; }
  .services-overview,
  .cycle-block,
  .proof-block,
  .about-teaser,
  .compliance-block { padding: 56px var(--pad-x-mobile); }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}