/* NRCO Solutions site styles. Mobile-first. Tokens first; components below. */

:root {
  --color-navy-900: #0a1c33;
  --color-navy-800: #0f2a4a;
  --color-blue-600: #1f5fbf;
  --color-blue-700: #184c99;
  --color-blue-50: #eaf1fb;
  --color-accent-600: #0f766e;
  --color-text: #1b2733;
  --color-muted: #4a5868;
  --color-surface: #ffffff;
  --color-bg: #f5f7fa;
  --color-bg-art: #eef3f8;
  --color-border: #d6dde6;
  --color-border-strong: #74849a;
  --color-danger: #b42318;
  --color-danger-bg: #fef3f2;
  --color-danger-border: #fecdca;
  --color-success: #067647;
  --color-on-dark: #c9d6e6;
  --color-on-dark-muted: #9fb3ca;
  --color-focus: #1f5fbf;
  --color-focus-on-dark: #9cc2ff;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-body: 1.0625rem;
  --fs-lead: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --fs-h4: 1.125rem;
  --fs-h3: clamp(1.1875rem, 1.1rem + 0.4vw, 1.375rem);
  --fs-h2: clamp(1.5rem, 1.2rem + 1.3vw, 2.25rem);
  --fs-h1: clamp(1.875rem, 1.35rem + 2.4vw, 3.25rem);
  --lh-tight: 1.15;
  --lh-heading: 1.25;
  --lh-body: 1.6;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --section-y: clamp(3rem, 2rem + 4vw, 5.5rem);
  --gutter: clamp(1rem, 0.6rem + 1.6vw, 2rem);
  --container: 72rem;
  --measure: 44rem;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 42, 74, 0.06);
  --shadow: 0 10px 30px rgba(15, 42, 74, 0.1);
  --transition: 150ms ease;
  --header-h: 4.25rem;
  --target: 2.75rem; /* 44px: this project's minimum for primary controls */
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: var(--space-4); }
body { margin: 0; font-family: var(--font-sans); font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-text); background: var(--color-surface); overflow-wrap: break-word; }
img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4 { margin: 0 0 var(--space-4); line-height: var(--lh-heading); color: var(--color-navy-800); font-weight: 700; letter-spacing: -0.01em; }
h1, .h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: -0.02em; }
h2, .h2 { font-size: var(--fs-h2); }
h3, .h3 { font-size: var(--fs-h3); }
h4, .h4 { font-size: var(--fs-h4); }
p, ul, ol { margin: 0 0 var(--space-4); }
a { color: var(--color-blue-600); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--color-blue-700); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }
main:focus { outline: none; }
[hidden] { display: none !important; }

.skip-link { position: absolute; left: var(--space-4); top: -10rem; z-index: 100; padding: var(--space-3) var(--space-4); background: var(--color-navy-800); color: #fff; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: var(--space-4); color: #fff; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Layout */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: calc(var(--measure) + 2 * var(--gutter)); }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(2rem, 1.5rem + 2vw, 3rem); }
.section--alt { background: var(--color-bg); }
.section-head { max-width: var(--measure); margin-bottom: var(--space-8); }
.section-head h2 { margin-bottom: var(--space-3); }
.section-head p { margin: 0; color: var(--color-muted); }
.section-foot { margin: var(--space-8) 0 0; }
.two-col { display: grid; gap: var(--space-8); }
.eyebrow { margin: 0 0 var(--space-3); font-size: var(--fs-sm); font-weight: 600; letter-spacing: 0.01em; color: var(--color-accent-600); }
.lead { font-size: var(--fs-lead); color: var(--color-muted); max-width: var(--measure); }
.muted { color: var(--color-muted); }
.note { max-width: var(--measure); margin: 0; font-size: var(--fs-sm); color: var(--color-muted); }
.label { display: block; font-size: var(--fs-sm); font-weight: 700; color: var(--color-navy-800); }
.media img { width: 100%; border-radius: var(--radius-lg); background: var(--color-bg-art); }

/* Buttons and links */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: var(--target); padding: 0.625rem 1.25rem; border: 2px solid transparent; border-radius: var(--radius-sm); font: inherit; font-weight: 600; line-height: 1.2; text-align: center; text-decoration: none; cursor: pointer; transition: background-color var(--transition), border-color var(--transition), color var(--transition); }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-blue-600); color: #fff; }
.btn-primary:hover { background: var(--color-blue-700); color: #fff; }
.btn-secondary { background: #fff; color: var(--color-navy-800); border-color: var(--color-border-strong); }
.btn-secondary:hover { border-color: var(--color-navy-800); color: var(--color-navy-800); }
.btn-on-dark { background: #fff; color: var(--color-navy-800); }
.btn-on-dark:hover { background: var(--color-blue-50); color: var(--color-navy-800); }
.btn[disabled] { opacity: 0.75; cursor: progress; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.text-link { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--target); font-weight: 600; }
.text-link .icon { width: 18px; height: 18px; flex: none; }
.link-list { list-style: none; padding: 0; display: grid; gap: var(--space-1); }
.link-list a { display: inline-flex; align-items: center; min-height: var(--target); }

/* Header and navigation */
.site-header { position: relative; z-index: 20; background: #fff; border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--target); color: var(--color-navy-800); font-size: 1.125rem; font-weight: 800; letter-spacing: 0.01em; text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--color-navy-800); text-decoration: none; }
.brand img { width: 40px; height: auto; flex: none; }
.nav-toggle { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--target); min-width: var(--target); padding: 0.5rem 0.875rem; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: #fff; color: var(--color-navy-800); font: inherit; font-weight: 600; cursor: pointer; }
.nav-toggle .icon { width: 20px; height: 20px; }
.nav-toggle .icon-close, .nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.site-nav { display: none; }
.site-nav.is-open { display: block; position: absolute; top: 100%; left: 0; right: 0; max-height: calc(100vh - var(--header-h)); overflow-y: auto; padding: var(--space-2) var(--gutter) var(--space-6); background: #fff; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow); }
.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-list > li { border-bottom: 1px solid var(--color-border); }
.nav-list a { display: flex; align-items: center; min-height: var(--target); padding-block: var(--space-2); color: var(--color-navy-800); font-weight: 600; text-decoration: none; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--color-blue-600); }
.nav-services-label { display: block; padding-top: var(--space-4); font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); }
/* Higher specificity than .nav-list a, so the no-JS fallback link stays hidden when JS runs. */
.nav-list .nav-services-link, .sub-toggle { display: none; }
.sub-list { list-style: none; margin: 0 0 var(--space-2); padding: 0 0 0 var(--space-3); }
.sub-list a { font-weight: 500; }
.nav-cta { width: 100%; margin-top: var(--space-5); }

/* Hero */
.hero { padding-block: clamp(1.75rem, 1rem + 3vw, 4.5rem) var(--section-y); background: var(--color-bg); }
.hero__inner { display: grid; gap: var(--space-8); align-items: center; }
.hero h1 { max-width: 22ch; }
.hero .lead { margin-bottom: 0; }

/* Page hero and breadcrumbs */
.page-hero { padding-block: clamp(1.25rem, 0.75rem + 2vw, 3rem) clamp(2rem, 1.5rem + 3vw, 4rem); background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
.page-hero .lead { margin-bottom: 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0 0 var(--space-4); padding: 0; font-size: var(--fs-sm); color: var(--color-muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: var(--space-2); color: var(--color-border-strong); }
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-blue-700); }
.service-hero { display: grid; gap: var(--space-8); align-items: center; }
.figure { margin: 0; }
.figure figcaption { margin-top: var(--space-2); font-size: var(--fs-xs); color: var(--color-muted); }

/* Cards */
.card-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.service-card { position: relative; display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-6); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); transition: border-color var(--transition), box-shadow var(--transition); }
.service-card:hover { border-color: var(--color-blue-600); box-shadow: var(--shadow); }
.service-card__icon { display: inline-flex; align-items: center; justify-content: center; width: var(--target); height: var(--target); margin-bottom: var(--space-2); border-radius: var(--radius-sm); background: var(--color-blue-50); color: var(--color-blue-600); }
.service-card__title { margin: 0; font-size: var(--fs-h3); }
.service-card__title a { color: var(--color-navy-800); text-decoration: none; }
.service-card__title a::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.service-card__title a:hover { color: var(--color-blue-600); text-decoration: underline; }
.service-card__title a:focus-visible { outline: none; }
.service-card__title a:focus-visible::after { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.service-card p { margin: 0; color: var(--color-muted); }

/* Clients */
.clients-title { margin-bottom: var(--space-5); color: var(--color-muted); }
.clients { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-6) var(--space-10); }
.clients img { height: 46px; width: auto; }

/* Steps, lists, FAQ */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: var(--space-6); }
.steps > li { position: relative; padding-left: 3.25rem; counter-increment: step; }
.steps > li::before { content: counter(step); position: absolute; top: 0; left: 0; display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: 999px; background: var(--color-navy-800); color: #fff; font-weight: 700; }
.steps h3 { margin-bottom: var(--space-2); font-size: var(--fs-h4); }
.steps p { margin: 0; color: var(--color-muted); }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.check-list li { position: relative; padding-left: 1.75rem; }
.check-list li::before { content: ""; position: absolute; top: 0.45em; left: 0.1rem; width: 0.85rem; height: 0.45rem; border-left: 2px solid var(--color-accent-600); border-bottom: 2px solid var(--color-accent-600); transform: rotate(-45deg); }
.panel { padding: var(--space-6); background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); }
.panel h3 { font-size: var(--fs-h4); }
.scope-grid { list-style: none; margin: 0 0 var(--space-6); padding: 0; display: grid; gap: var(--space-4); }
.scope-grid li { padding: var(--space-5); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); }
.scope-grid h3 { margin-bottom: var(--space-2); font-size: var(--fs-h4); }
.scope-grid p { margin: 0; color: var(--color-muted); }
.faq { display: grid; gap: var(--space-5); }
.faq-item { padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: 0; padding-bottom: 0; }
.faq-item h3 { margin-bottom: var(--space-2); font-size: var(--fs-h4); }
.faq-item p { margin: 0; color: var(--color-muted); }

/* Services overview */
.overview-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-10); }
.overview-item { display: grid; gap: var(--space-5); align-items: center; }
.overview-item__body h2 { margin-bottom: var(--space-3); }
.overview-item__body p { margin-bottom: var(--space-3); }
.overview-item__link { margin: 0; }

/* Prose pages */
.prose { max-width: calc(var(--measure) + 2 * var(--gutter)); }
.prose h2 { margin-top: var(--space-10); font-size: var(--fs-h3); }
.prose h2:first-child { margin-top: 0; }
.prose ul:not(.link-list) { padding-left: 1.25rem; }
.prose li { margin-bottom: var(--space-3); }

/* Call to action band */
.cta-band { padding-block: var(--section-y); background: var(--color-navy-800); color: var(--color-on-dark); }
.cta-band h2 { color: #fff; margin-bottom: var(--space-3); }
.cta-band p { margin: 0; color: var(--color-on-dark); }
.cta-band a:not(.btn) { color: #fff; }
.cta-band :focus-visible { outline-color: var(--color-focus-on-dark); }
.cta-band__inner { display: grid; gap: var(--space-6); align-items: center; }
.cta-band__email { margin-top: var(--space-3) !important; }

/* Footer */
.site-footer { padding-top: var(--space-12); background: var(--color-navy-900); color: var(--color-on-dark); font-size: var(--fs-sm); }
.site-footer a { color: #fff; }
.site-footer :focus-visible { outline-color: var(--color-focus-on-dark); }
.footer-grid { display: grid; gap: var(--space-8); padding-bottom: var(--space-10); }
.footer-brand p { margin-bottom: var(--space-2); }
.brand--footer { margin-bottom: var(--space-3); color: #fff; }
.brand--footer:hover { color: #fff; }
.brand--footer img { padding: 3px; background: #fff; border-radius: var(--radius-sm); }
.footer-heading { margin: 0 0 var(--space-3); font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-on-dark-muted); }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; }
.footer-links a { display: inline-flex; align-items: center; min-height: 2.25rem; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2) var(--space-6); padding-block: var(--space-6); border-top: 1px solid rgba(255, 255, 255, 0.14); }
.footer-bottom p { margin: 0; }

/* Contact */
.contact-layout { display: grid; gap: var(--space-8); grid-template-areas: "intro" "inquiry" "aside"; }
.contact-intro { grid-area: intro; }
.contact-intro .lead { margin-bottom: 0; }
.inquiry { grid-area: inquiry; padding: var(--space-6) var(--space-5); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.contact-aside { grid-area: aside; }
.contact-aside h2 { margin-bottom: var(--space-3); }
.email-card { margin-bottom: var(--space-8); padding: var(--space-5); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); }
.email-card h2 { margin-bottom: var(--space-2); }
.email-card__link { margin: 0; }
.email-card__link a { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--target); font-size: 1.125rem; font-weight: 700; word-break: break-word; }
.email-card__link .icon { flex: none; }
.contact-location { margin-top: var(--space-6); }

/* Forms */
.field { margin-bottom: var(--space-5); }
.field label { display: block; margin-bottom: var(--space-2); font-weight: 600; color: var(--color-navy-800); }
.req, .opt { font-weight: 400; color: var(--color-muted); }
.field input, .field select, .field textarea { display: block; width: 100%; min-height: var(--target); padding: 0.625rem 0.75rem; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: #fff; color: var(--color-text); font: inherit; }
.field textarea { min-height: 9rem; resize: vertical; }
.field select { -webkit-appearance: none; appearance: none; padding-right: 2.5rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230f2a4a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 1px; border-color: var(--color-blue-600); }
.field [aria-invalid="true"] { border-color: var(--color-danger); border-width: 2px; }
.hint { margin: calc(-1 * var(--space-1)) 0 var(--space-2); font-size: var(--fs-sm); color: var(--color-muted); }
.field-error { margin: var(--space-2) 0 0; font-size: var(--fs-sm); font-weight: 600; color: var(--color-danger); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.turnstile { min-height: 65px; margin-bottom: var(--space-5); }
.form-status { margin-bottom: var(--space-4); }
.form-status:empty { display: none; }
.form-status.is-info { padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); background: var(--color-blue-50); color: var(--color-navy-800); }
.form-status.is-error { padding: var(--space-3) var(--space-4); border: 1px solid var(--color-danger-border); border-radius: var(--radius-sm); background: var(--color-danger-bg); color: var(--color-danger); font-weight: 600; }
.btn-block { width: 100%; }
.form-note { margin: var(--space-4) 0 0; font-size: var(--fs-sm); color: var(--color-muted); }
.inquiry-success:focus { outline: none; }
.inquiry-success h2 { color: var(--color-success); }

/* 404 */
.not-found__services { margin-top: var(--space-10); }

/* Larger screens */
@media (min-width: 40rem) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .btn-block { width: auto; }
}

@media (min-width: 48rem) {
  .scope-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-item { grid-template-columns: minmax(0, 18rem) minmax(0, 1fr); gap: var(--space-8); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 64rem) {
  :root { --header-h: 5rem; }
  .nav-toggle { display: none; }
  .site-nav, .site-nav.is-open { position: static; display: flex; align-items: center; gap: var(--space-6); max-height: none; overflow: visible; padding: 0; border: 0; background: transparent; box-shadow: none; }
  .nav-list { display: flex; align-items: center; gap: var(--space-1); }
  .nav-list > li { position: relative; border: 0; }
  .nav-list > li > a, .sub-toggle { padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); }
  .nav-list > li > a:hover, .sub-toggle:hover { background: var(--color-blue-50); color: var(--color-navy-800); }
  .nav-services-label { display: none; }
  .sub-toggle { display: inline-flex; align-items: center; gap: var(--space-1); min-height: var(--target); border: 0; background: transparent; color: var(--color-navy-800); font: inherit; font-weight: 600; cursor: pointer; }
  .sub-toggle .icon { width: 16px; height: 16px; transition: transform var(--transition); }
  .sub-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
  .sub-toggle.is-current, .nav-list > li > a[aria-current="page"] { color: var(--color-blue-600); }
  .sub-list { position: absolute; top: calc(100% + var(--space-2)); left: 0; display: none; min-width: 19rem; margin: 0; padding: var(--space-2); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); }
  .has-sub.is-open .sub-list { display: block; }
  .sub-list a { padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); }
  .sub-list a:hover { background: var(--color-blue-50); color: var(--color-navy-800); }
  .nav-cta { width: auto; margin: 0; }

  .hero__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--space-12); }
  .service-hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--space-12); }
  .two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-12); }
  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
  .steps--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .steps--grid > li { padding-left: 0; padding-top: 3.25rem; }
  .cta-band__inner { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 0.7fr; }
  .contact-layout:not(.is-email-only) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); grid-template-areas: "intro inquiry" "aside inquiry"; gap: var(--space-6) var(--space-12); align-items: start; }
  .contact-layout.is-email-only { max-width: var(--measure); }
  .inquiry { padding: var(--space-8); }
}

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