/* Hallmark · pre-emit critique: P4 H5 E4 S5 R4 V4 */
/* Hallmark · genre: modern-minimal · macrostructure: Stat-Led · theme: Cobalt (accent retuned to brand steel blue #005580)
 * design-system: design.md · marketing scope · nav: N1b three-section · footer: Ft5 statement
 * enrichment: Tier-B hand-built SVG (perimeter rings) + brand logo imagery (design.md exception 2026-07-28)
 * motion: reveal + count-up + CTA hover, plus service-disclosure expand (grid-rows state transition)
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 50–57) · icons: pass (30)
 * honest copy: real figures only (1992 · 500+ · 46 — escope.net/about-us); service details from escope.net service pages
 * Tokens live in /css/tokens.css — mirror of the canonical root tokens.css. */

/* ---------- fonts ---------- */

@font-face {
  font-family: 'Space Grotesk';
  src: url('/fonts/space-grotesk-var.woff2') format('woff2');
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/fonts/ibm-plex-sans-var.woff2') format('woff2');
  font-weight: 100 700;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

/* ---------- base ---------- */

/* marketing-only chrome metric; hero top padding and anchor scroll offset derive from it */
:root { --nav-h: 5rem; }

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

html { color-scheme: light; overflow-x: clip; scroll-behavior: smooth; }
body {
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

html:focus-within { scroll-padding-top: calc(var(--nav-h) + 2rem); }

.tnum { font-variant-numeric: tabular-nums; }

a { color: inherit; }

:is(a, button, .btn):focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  z-index: 30;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-paper);
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-ctl);
  color: var(--color-ink);
  text-decoration: none;
  transform: translateY(-300%);
}
.skip-link:focus-visible { transform: none; }

/* ---------- buttons (shared CTA voice) ---------- */

.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-accent-ink);
  background: var(--color-accent);
  border: 0;
  border-radius: var(--radius-ctl);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn:hover { background: var(--color-accent-2); transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink-2);
  border: 1px solid var(--color-rule-2);
  padding: calc(0.75rem - 1px) calc(1.5rem - 1px);
}
.btn-ghost:hover { background: var(--color-paper-2); border-color: var(--color-muted); transform: none; }

/* ---------- nav · N1b three-section ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.nav.is-scrolled {
  background: var(--color-paper);
  border-bottom-color: var(--color-rule);
}

.nav-inner {
  max-width: 68rem;
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.wordmark-img { display: block; height: 2rem; width: auto; }

@media (min-width: 30rem) {
  .wordmark-img { height: 2.25rem; }
}

.nav-center { display: none; }

.nav-right { justify-self: end; }

.nav-link {
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-ink-2);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-short) var(--ease-out);
}
.nav-link:hover { color: var(--color-ink); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-cta { padding: var(--space-xs) var(--space-md); font-size: 0.9375rem; }
.nav-cta .cta-full { display: none; }

@media (min-width: 30rem) {
  .nav-cta { padding: 0.75rem 1.5rem; font-size: inherit; }
  .nav-cta .cta-full { display: inline; }
  .nav-cta .cta-short { display: none; }
}

@media (min-width: 56.25rem) {
  .nav-inner { display: grid; grid-template-columns: 1fr auto 1fr; }
  .nav-center { display: flex; justify-self: center; gap: var(--space-2xs); }
  .nav-right { justify-self: end; }
  .nav .wordmark { justify-self: start; }
}

/* ---------- hero · Stat-Led ---------- */

.hero {
  border-bottom: 1px solid var(--color-rule);
}

.hero-grid {
  max-width: 68rem;
  margin: 0 auto;
  padding: calc(var(--nav-h) + var(--space-2xl)) clamp(1rem, 4vw, 2.5rem) var(--space-3xl);
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  align-content: center;
}

.hero-head {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  display: grid;
  gap: var(--space-xs);
}

.figure {
  font-size: var(--text-figure);
  line-height: 0.95;
}
.stat-suffix { color: var(--color-accent); }

.hero-words {
  font-size: var(--text-display-s);
  line-height: 1.12;
  max-width: 22ch;
  text-wrap: balance;
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero .lede {
  margin-top: var(--space-lg);
  color: var(--color-muted);
  max-width: 34rem;
}

.hero-ctas {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-readout {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
}

.readout-item {
  border-left: 1px solid var(--color-rule-2);
  padding-left: var(--space-md);
}
.readout-item dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.readout-item dd {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.hero-art { display: none; }

.arc-hair   { stroke: var(--color-rule-2); stroke-width: 1; }
.arc-hair-2 { stroke: var(--color-rule);   stroke-width: 1; }
.arc-signal   { stroke: var(--color-accent); stroke-width: 1.5; }
.arc-signal-2 { stroke: var(--color-accent); stroke-width: 1; opacity: 0.55; }
.arc-ticks line { stroke: var(--color-rule-2); stroke-width: 1.5; }
/* Flat brand-shield centerpiece — drawn entirely from tokens: the accent IS
   the logo blue and --color-danger IS the logo red since the 2026-07-28 retune. */
.shield-body  { fill: var(--color-accent); }
.shield-chief { fill: var(--color-danger); }
.shield-slash { fill: var(--color-paper); opacity: 0.9; }
.shield-outline {
  fill: none;
  stroke: var(--color-muted);
  stroke-width: 1.5;
  stroke-linejoin: round;
}
.node-signal { fill: var(--color-accent); }
.node-hair   { fill: var(--color-rule-2); }

@media (min-width: 43.75rem) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; gap: var(--space-2xl); }
  .hero-art { display: block; padding: var(--space-lg); }
  .hero-art svg { width: 100%; height: auto; display: block; }
}

/* ---------- sections ---------- */

.section-inner {
  max-width: 68rem;
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.section { padding-block: var(--space-3xl) var(--space-2xl); }

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-xl);
  display: grid;
  gap: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.section-lede { color: var(--color-muted); }

/* ---------- security services grid ---------- */

.service-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--space-2xl);
}

.service {
  border-top: 1px solid var(--color-rule);
  padding: var(--space-lg) 0 var(--space-xl);
  display: grid;
  gap: var(--space-xs);
  align-content: start;
}

.service-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.service-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.service-desc { font-size: 1rem; }

@media (min-width: 40rem) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 30rem) {
  .service-name { font-size: var(--text-md); }
}

/* Disclosure toggle — the service name itself is the control. */
.service-toggle {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-align: left;
}

.service-toggle:hover { color: var(--color-accent-2); }
.service-toggle:active { color: var(--color-accent); }
.service-toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-chip);
}

.service-chevron {
  width: 0.6em;
  height: 0.6em;
  flex: none;
  color: var(--color-muted);
  transform: rotate(0deg); /* down = expanded, matching the no-JS default */
  transition: transform var(--dur-short) var(--ease-out);
}

.service-toggle[aria-expanded="false"] .service-chevron { transform: rotate(-90deg); }

/* Elaboration expand — same grid-rows primitive the questionnaire uses.
   Collapsed only when JS runs; no-JS visitors read everything open. */
html.js .service-detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transition:
    grid-template-rows var(--dur-swap) var(--ease-out),
    opacity var(--dur-swap) var(--ease-out),
    visibility 0s linear var(--dur-swap);
}

html.js .service-detail.open {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  transition:
    grid-template-rows var(--dur-swap) var(--ease-out),
    opacity var(--dur-swap) var(--ease-out);
}

.service-detail-body {
  overflow: hidden;
  display: grid;
  gap: var(--space-sm);
  min-width: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-2);
}

.service-points {
  list-style: none;
  display: grid;
  gap: var(--space-2xs);
}

.service-points li {
  position: relative;
  padding-left: var(--space-md);
}

.service-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 1px;
  background: var(--color-accent);
}

/* ---------- compliance ledger ---------- */

.ledger { list-style: none; }

.ledger-row {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-lg);
  display: grid;
  gap: var(--space-2xs) var(--space-xl);
}

.ledger-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.ledger-desc { color: var(--color-ink-2); }

@media (min-width: 40rem) {
  .ledger-row { grid-template-columns: 16rem minmax(0, 1fr); align-items: baseline; }
}

/* ---------- about + quote band ---------- */

#about { padding-bottom: 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg) var(--space-2xl);
  max-width: 62rem;
}

@media (min-width: 48rem) {
  .about-grid { grid-template-columns: 1.1fr 0.9fr; }
}

.quote-band {
  margin-top: var(--space-3xl);
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
  padding: var(--space-2xl) clamp(1rem, 4vw, 2.5rem);
}

.quote-line {
  max-width: 68rem;
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw + 0.5rem, 2.3rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.quote-attr {
  max-width: 68rem;
  margin: var(--space-lg) auto 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-graphite-muted);
}

/* ---------- contact ---------- */

.section-contact { padding-block: var(--space-3xl); }

.contact-band {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: clamp(var(--space-lg), 4vw, var(--space-2xl));
  display: grid;
  gap: var(--space-xl);
}

.contact-copy { display: grid; gap: var(--space-sm); max-width: 34rem; }

.contact-actions {
  display: grid;
  gap: var(--space-lg);
  align-content: center;
  justify-items: start;
}

.contact-lines { display: grid; gap: var(--space-xs); }

.contact-line {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-ink);
}
.contact-line:hover span:last-child {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  min-width: 3.2rem;
}

@media (min-width: 48rem) {
  .contact-band { grid-template-columns: 1.2fr auto; align-items: center; }
}

/* ---------- footer · Ft5 statement ---------- */

.foot {
  border-top: 1px solid var(--color-rule);
  padding: var(--space-2xl) clamp(1rem, 4vw, 2.5rem) var(--space-2xl);
}

.foot-inner {
  max-width: 68rem;
  margin: 0 auto;
}

.foot-line {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.5vw + 0.4rem, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  max-inline-size: 26ch;
  overflow-wrap: anywhere;
}

.foot-meta {
  margin-top: var(--space-xl);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-rule);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-sm) var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.wordmark-img-foot { height: 1.5rem; }

.foot-contact { display: inline-flex; flex-wrap: wrap; gap: var(--space-md); }

.foot-link { color: var(--color-ink-2); text-decoration: none; white-space: nowrap; }
.foot-link:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.foot-copyright { margin-left: auto; white-space: nowrap; }

/* ---------- motion · marketing scope (design.md) ---------- */

/* Hero entrance — one orchestrated page-load sequence, staggered by --i.
   Runs every load (unlike scroll reveals, which are once-only per element),
   so the page always opens with its moment. */
html.js .rise {
  opacity: 0;
  transform: translateY(16px);
  animation: rise var(--dur-reveal) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 110ms);
}
@keyframes rise {
  to { opacity: 1; transform: none; }
}

/* Hero art sweep — the steel-blue arcs rotate into place once as the page opens,
   the instrument coming online. Transform + opacity only. */
html.js .hero-art .arc-signal,
html.js .hero-art .arc-signal-2 {
  transform-origin: 50% 50%;
  transform-box: view-box;
  animation: arc-sweep var(--dur-sweep) var(--ease-out) 300ms both;
}
html.js .hero-art .arc-signal-2 { animation-delay: 450ms; }
@keyframes arc-sweep {
  from { opacity: 0; transform: rotate(-45deg); }
}
html.js .hero-art .node-signal {
  animation: node-in var(--dur-reveal) var(--ease-out) 1000ms both;
}
@keyframes node-in {
  from { opacity: 0; }
}

/* Reveals hide only when JS runs; no-JS visitors see everything. */
html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 90ms);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .rise { opacity: 1; transform: none; animation: none; }
  html.js .hero-art .arc-signal,
  html.js .hero-art .arc-signal-2,
  html.js .hero-art .node-signal { animation: none; }
  .btn, .nav, .nav-link, .nav-link::after { transition: none; }
  .btn:hover { transform: none; }
  html.js .service-detail, html.js .service-detail.open { transition: none; }
  .service-chevron { transition: none; }
}