/* =====================================================
   OpsGrid Persona Pages — IQ Site CSS
   Covers: /opsgrid/manufacturing/, /distribution/, /logistics/, /security/
   Design system: Instrument Serif + DM Sans, IQ tokens
   ===================================================== */

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

:root {
  --ink:    #0a0a0a;
  --ink2:   #444;
  --ink3:   #767676;
  --ink4:   #aaa;
  --surface: #fafaf8;
  --s2:     #f2f0eb;
  --s3:     #e8e5de;
  --accent: #e8562a;
  --ah:     #c94420;
  --navy:   #14203b;
  --teal:   #00BDD6;
  --border: rgba(0,0,0,0.08);
  --b2:     rgba(0,0,0,0.14);
  --r:      4px;
  --rl:     10px;
  --max:    1140px;
  --serif:  'Instrument Serif', Georgia, serif;
  --sans:   'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth }
body {
  font-family: var(--sans);
  background: var(--surface);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none }
a:hover { text-decoration: underline }

/* ── A11Y ── */
.skip-link {
  position: absolute; top: -999px; left: 0;
  background: var(--accent); color: #fff;
  padding: 0.5rem 1rem; z-index: 9999;
  font-size: 0.85rem; text-decoration: none;
  border-radius: 0 0 var(--r) 0;
}
.skip-link:focus { top: 0 }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── HEADER ── */
.wp-header {
  background: var(--navy); padding: 0.9rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: sticky; top: 0; z-index: 100;
}
.wp-logo {
  font-family: var(--sans); font-size: 1.05rem;
  color: #fff; text-decoration: none; font-weight: 700;
}
.wp-logo span { color: var(--teal) }
.wp-nav { display: flex; align-items: center; gap: 1.5rem }
.wp-nav-link {
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
  text-decoration: none; transition: color 0.18s;
}
.wp-nav-link:hover { color: #fff; text-decoration: none }
.wp-back {
  font-size: 0.77rem; color: rgba(255,255,255,0.4);
  text-decoration: none; transition: color 0.18s;
}
.wp-back:hover { color: rgba(255,255,255,0.75); text-decoration: none }
.wp-cta {
  background: var(--accent); color: #fff;
  font-size: 0.8rem; font-weight: 600;
  padding: 0.4rem 0.9rem; border-radius: var(--r);
  text-decoration: none; transition: background 0.18s; white-space: nowrap;
}
.wp-cta:hover { background: var(--ah); text-decoration: none }

/* ── HERO ── */
.wp-hero {
  background: var(--navy); padding: 4rem 2rem 3.5rem;
  position: relative; overflow: hidden;
}
.wp-hero::after {
  content: ''; position: absolute; top: -80px; right: -60px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(232,86,42,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.wp-hero-inner {
  max-width: var(--max); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 300px; gap: 3rem; align-items: start;
}
.wp-eyebrow {
  font-size: 0.67rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(232,86,42,0.9); margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.wp-eyebrow::before {
  content: ''; display: inline-block; width: 20px; height: 1px; background: var(--accent); opacity: 0.7;
}
.wp-h1 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 400; color: #fff; line-height: 1.18;
  letter-spacing: -0.01em; margin-bottom: 1.2rem;
}
.wp-h1 em { color: var(--accent); font-style: normal }
.wp-hero-sub {
  font-size: 1rem; color: rgba(255,255,255,0.55);
  line-height: 1.75; margin-bottom: 1rem; font-weight: 300;
}
.wp-hero-sub strong { color: rgba(255,255,255,0.88); font-weight: 500 }

/* flow pills */
.wp-flow { display: flex; align-items: center; flex-wrap: wrap; gap: 0.35rem; margin: 1.2rem 0 1.6rem }
.wp-pill {
  background: rgba(0,189,214,0.08); border: 1px solid rgba(0,189,214,0.22);
  border-radius: 5px; padding: 0.35rem 0.7rem;
  font-size: 0.6rem; letter-spacing: 0.13em; text-transform: uppercase;
  font-weight: 600; color: var(--teal);
}
.wp-pill.approve {
  background: rgba(232,86,42,0.1); border-color: rgba(232,86,42,0.28); color: var(--accent);
}
.wp-pill-arrow { color: rgba(255,255,255,0.2); font-size: 0.75rem }

.wp-hero-cta {
  display: inline-block; background: var(--accent); color: #fff;
  font-size: 0.92rem; font-weight: 500; padding: 0.8rem 1.6rem;
  border-radius: var(--r); text-decoration: none; transition: background 0.2s;
}
.wp-hero-cta:hover { background: var(--ah); text-decoration: none }

/* hero aside */
.wp-hero-aside {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 1.4rem;
}
.wp-aside-title {
  font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.38); margin-bottom: 1rem; font-weight: 600;
}
.wp-aside-row {
  display: flex; flex-direction: column; gap: 0.1rem;
  padding: 0.65rem 0; border-bottom: 1px solid rgba(255,255,255,0.07);
}
.wp-aside-row:last-child { border-bottom: none; padding-bottom: 0 }
.wp-aside-num { font-family: var(--serif); font-size: 1.6rem; color: var(--accent); line-height: 1 }
.wp-aside-label {
  font-size: 0.68rem; color: rgba(255,255,255,0.45);
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.wp-aside-sub { font-size: 0.8rem; color: rgba(255,255,255,0.72); font-weight: 500 }

/* ── SIGNALS ── */
.wp-signals { background: var(--surface); padding: 3.5rem 2rem; border-bottom: 1px solid var(--border) }
.wp-signals-i { max-width: var(--max); margin: 0 auto }
.wp-section-eyebrow {
  font-size: 0.67rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 0.45rem;
}
.wp-section-title {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 400; color: var(--navy); line-height: 1.25; margin-bottom: 0.5rem;
}
.wp-section-sub {
  font-size: 0.95rem; color: var(--ink3); line-height: 1.7; max-width: 600px; margin-bottom: 2rem;
}
.wp-signals-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem }
.wp-signal-card {
  background: #fff; border: 1px solid rgba(0,0,0,0.09);
  border-top: 3px solid var(--accent); border-radius: 6px; padding: 1.2rem 1.1rem;
}
.wp-signal-type {
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; color: var(--accent); margin-bottom: 0.35rem;
}
.wp-signal-title {
  font-size: 0.9rem; font-weight: 600; color: var(--navy); line-height: 1.4; margin-bottom: 0.7rem;
}
.wp-signal-facts { list-style: none; display: flex; flex-direction: column; gap: 0.3rem }
.wp-signal-facts li { font-size: 0.8rem; color: var(--ink2); padding-left: 1rem; position: relative }
.wp-signal-facts li::before { content: '·'; position: absolute; left: 0; color: var(--accent); font-weight: 700 }
.wp-signal-badge {
  display: inline-block; margin-top: 0.8rem;
  font-size: 0.64rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 0.2rem 0.5rem; border-radius: 3px;
}
.wp-signal-badge.critical { background: rgba(196,38,46,0.1); color: #c4262e }
.wp-signal-badge.warning  { background: rgba(131,91,0,0.1);  color: #835b00 }

/* ── ROUTING ── */
.wp-routing { background: #fff; padding: 3.5rem 2rem; border-bottom: 1px solid var(--border) }
.wp-routing-i { max-width: var(--max); margin: 0 auto }
.wp-routing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  align-items: start; margin-top: 1.5rem;
}
.wp-steps { display: flex; flex-direction: column }
.wp-step {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.wp-step:last-child { border-bottom: none }
.wp-step-num {
  width: 28px; height: 28px; min-width: 28px; border-radius: 50%;
  background: var(--navy); color: #fff;
  font-size: 0.72rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: 0.1rem;
}
.wp-step-body { flex: 1 }
.wp-step-label {
  font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 700; color: var(--accent); margin-bottom: 0.2rem;
}
.wp-step-text { font-size: 0.88rem; color: var(--ink2); line-height: 1.6 }
.wp-step-text strong { color: var(--navy) }
.wp-routing-note {
  background: var(--s2); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 4px;
  padding: 1.2rem 1.4rem; font-size: 0.88rem; line-height: 1.65; color: var(--ink2);
  margin-bottom: 1.5rem;
}
.wp-routing-note strong { color: var(--navy) }
.wp-roles-label {
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; color: var(--navy); margin-bottom: 0.75rem;
}
.wp-roles { display: flex; flex-wrap: wrap; gap: 0.5rem }
.wp-role-tag {
  background: var(--s2); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.35rem 0.7rem;
  font-size: 0.78rem; font-weight: 600; color: var(--navy);
}

/* ── ANSWER / CONVERGENCE ── */
.wp-answer {
  background: var(--s2); padding: 3rem 2rem;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.wp-answer-i {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start;
}
.wp-answer h2 {
  font-family: var(--serif); font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 400; color: var(--navy); margin-bottom: 1rem;
}
.wp-answer-body { font-size: 0.92rem; color: var(--ink2); line-height: 1.75 }
.wp-answer-body p { margin-bottom: 0.7rem }
.wp-answer-body p:last-child { margin-bottom: 0 }
.wp-answer-body strong { color: var(--navy) }
.wp-answer-callout { background: var(--navy); border-radius: 8px; padding: 1.5rem }
.wp-callout-label {
  font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--teal); font-weight: 700; margin-bottom: 0.75rem;
}
.wp-callout-row {
  font-size: 0.86rem; color: rgba(255,255,255,0.7); line-height: 1.65;
  padding: 0.55rem 0; border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex; gap: 0.6rem; align-items: baseline;
}
.wp-callout-row:last-child { border-bottom: none; padding-bottom: 0 }
.wp-callout-row::before { content: '→'; color: var(--accent); font-size: 0.8rem; flex-shrink: 0 }

/* ── FAQ ── */
.wp-faq { background: var(--surface); padding: 3.5rem 2rem; border-bottom: 1px solid var(--border) }
.wp-faq-i { max-width: var(--max); margin: 0 auto }
.wp-faq-list { margin-top: 1.5rem }
.wp-faq-item { border-bottom: 1px solid var(--border) }
.wp-faq-item:first-child { border-top: 1px solid var(--border) }
.wp-faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  text-align: left; padding: 1.1rem 0;
  font-size: 1rem; font-weight: 600; color: var(--navy);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  font-family: inherit;
}
.wp-faq-q:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px }
.wp-faq-arrow { color: var(--accent); font-size: 1.1rem; transition: transform 0.18s; flex-shrink: 0 }
.wp-faq-item.open .wp-faq-arrow { transform: rotate(45deg) }
.wp-faq-a {
  font-size: 0.92rem; color: var(--ink2); line-height: 1.75;
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding-bottom 0.18s;
  padding-bottom: 0;
}
.wp-faq-item.open .wp-faq-a { max-height: 600px; padding-bottom: 1.2rem }

/* ── ARCHITECTURE (security page) ── */
.wp-arch { background: #fff; padding: 3rem 2rem; border-bottom: 1px solid var(--border) }
.wp-arch-i { max-width: var(--max); margin: 0 auto }
.wp-arch-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-top: 1.5rem }
.wp-arch-card {
  background: var(--s2); border: 1px solid var(--border);
  border-radius: 6px; padding: 1.2rem;
}
.wp-arch-label {
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; color: var(--accent); margin-bottom: 0.35rem;
}
.wp-arch-title { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 0.5rem }
.wp-arch-body { font-size: 0.86rem; color: var(--ink2); line-height: 1.65 }
.wp-install { background: var(--surface); padding: 3rem 2rem; border-bottom: 1px solid var(--border) }
.wp-install-i { max-width: var(--max); margin: 0 auto }
.wp-install-steps { display: flex; flex-direction: column; margin-top: 1.5rem; max-width: 680px }
.wp-install-step {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.1rem 0; border-bottom: 1px solid var(--border);
}
.wp-install-step:last-child { border-bottom: none }
.wp-install-num {
  width: 30px; height: 30px; min-width: 30px;
  background: var(--navy); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; font-weight: 700;
}
.wp-install-title { font-size: 0.92rem; font-weight: 600; color: var(--navy); margin-bottom: 0.25rem }
.wp-install-body { font-size: 0.86rem; color: var(--ink2); line-height: 1.6 }

/* ── CTA STRIP ── */
.wp-cta-strip { background: var(--navy); padding: 3.5rem 2rem }
.wp-cta-strip-i {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.wp-cta-text { flex: 1 }
.wp-cta-label {
  font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(34,197,94,0.9); font-weight: 700; margin-bottom: 0.4rem;
}
.wp-cta-strip h2 {
  font-family: var(--serif); font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 400; color: #fff; margin-bottom: 0.45rem;
}
.wp-cta-body { font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.65; max-width: 520px }
.wp-cta-btn {
  background: var(--accent); color: #fff;
  font-size: 0.92rem; font-weight: 500; padding: 0.85rem 1.8rem;
  border-radius: var(--r); text-decoration: none;
  transition: background 0.2s; white-space: nowrap; flex-shrink: 0;
}
.wp-cta-btn:hover { background: var(--ah); text-decoration: none }

/* ── VERTICAL LINKS STRIP ── */
.wp-verticals { background: var(--s2); padding: 2.5rem 2rem; border-bottom: 1px solid var(--border) }
.wp-verticals-i { max-width: var(--max); margin: 0 auto }
.wp-vert-label {
  font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 1rem;
}
.wp-vert-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0.75rem }
.wp-vert-card {
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  padding: 1rem; text-decoration: none; transition: border-color 0.18s;
}
.wp-vert-card:hover { border-color: var(--accent); text-decoration: none }
.wp-vert-card-title { font-size: 0.88rem; font-weight: 700; color: var(--navy); margin-bottom: 0.25rem }
.wp-vert-card-body { font-size: 0.78rem; color: var(--ink3); line-height: 1.5 }
.wp-vert-card-link { font-size: 0.75rem; color: var(--accent); font-weight: 600; margin-top: 0.5rem; display: block }

/* ── FOOTER ── */
.wp-footer {
  background: var(--navy); border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2.5rem 2rem 1.5rem;
}
.wp-footer-i { max-width: var(--max); margin: 0 auto }
.wp-footer-top {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2rem;
  margin-bottom: 2rem; padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.wp-footer-logo { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 0.25rem }
.wp-footer-logo span { color: var(--teal) }
.wp-footer-product { font-size: 0.76rem; color: rgba(255,255,255,0.35); margin-bottom: 0.75rem }
.wp-footer-addr { font-size: 0.76rem; color: rgba(255,255,255,0.3); line-height: 1.7 }
.wp-footer-addr a { color: rgba(255,255,255,0.42) }
.wp-footer-col-title {
  font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; color: rgba(255,255,255,0.42); margin-bottom: 0.8rem;
}
.wp-footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.45rem }
.wp-footer-links a { font-size: 0.83rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.18s }
.wp-footer-links a:hover { color: #fff }
.wp-footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem;
}
.wp-footer-copy { font-size: 0.76rem; color: rgba(255,255,255,0.26) }
.wp-footer-legal { display: flex; gap: 1.2rem }
.wp-footer-legal a { font-size: 0.76rem; color: rgba(255,255,255,0.3); text-decoration: none }
.wp-footer-legal a:hover { color: rgba(255,255,255,0.65) }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .wp-hero-inner      { grid-template-columns: 1fr }
  .wp-hero-aside      { display: none }
  .wp-routing-grid    { grid-template-columns: 1fr; gap: 1.5rem }
  .wp-answer-i        { grid-template-columns: 1fr }
  .wp-answer-callout  { display: none }
  .wp-cta-strip-i     { flex-direction: column; align-items: flex-start }
  .wp-footer-top      { grid-template-columns: 1fr 1fr }
  .wp-arch-grid       { grid-template-columns: 1fr }
  .wp-vert-grid       { grid-template-columns: 1fr 1fr }
}
@media (max-width: 640px) {
  .wp-hero       { padding: 2.5rem 1.25rem 2rem }
  .wp-signals    { padding: 2rem 1.25rem }
  .wp-signals-grid { grid-template-columns: 1fr }
  .wp-routing    { padding: 2rem 1.25rem }
  .wp-answer     { padding: 2rem 1.25rem }
  .wp-faq        { padding: 2rem 1.25rem }
  .wp-cta-strip  { padding: 2rem 1.25rem }
  .wp-verticals  { padding: 2rem 1.25rem }
  .wp-footer     { padding: 2rem 1.25rem 1rem }
  .wp-footer-top { grid-template-columns: 1fr }
  .wp-install    { padding: 2rem 1.25rem }
  .wp-arch       { padding: 2rem 1.25rem }
  .wp-vert-grid  { grid-template-columns: 1fr }
}