/* ==========================================================================
   Medical Billing TX — main.css
   Sections: Reset · Base · Layout · Buttons · Header/Nav · Hero · Sections
             Cards · Stats · Process · FAQ · Testimonials · Form · Footer
             Sticky CTA · Blog · Utilities · Responsive · Motion
   ========================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-body);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--color-primary-dark); }
ul, ol { padding: 0; list-style: none; }

/* ---------- Headings ---------- */
h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--color-ink); line-height: var(--lh-tight); font-weight: 700; }
h1 { font-size: var(--fs-3xl); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-2xl); letter-spacing: -0.015em; }
h3 { font-size: var(--fs-xl); letter-spacing: -0.01em; }
h4 { font-size: var(--fs-lg); }
p { line-height: var(--lh-base); }
p + p { margin-top: 1rem; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--color-ink); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--color-surface-alt); }
.section--tint { background: var(--color-primary-light); }
.section--ink { background: var(--color-secondary); color: #cbd5e1; }
.section--ink h2, .section--ink h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 0.75rem;
}
.section-head p { margin-top: 0.85rem; font-size: var(--fs-md); color: var(--color-muted); }

.grid { display: grid; gap: clamp(1rem, 2.5vw, 1.75rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm);
  padding: 0.85rem 1.6rem; border-radius: var(--radius-pill);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn--primary { background: var(--color-accent); color: #fff; box-shadow: 0 6px 16px -6px rgba(22,163,74,.6); }
.btn--primary:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 22px -8px rgba(22,163,74,.7); }
.btn--secondary { background: var(--color-primary); color: #fff; }
.btn--secondary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--color-primary); box-shadow: inset 0 0 0 2px var(--color-line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 2px var(--color-primary); color: var(--color-primary-dark); }
.btn--light { background: #fff; color: var(--color-primary); }
.btn--light:hover { background: var(--color-surface-tint); color: var(--color-primary-dark); transform: translateY(-2px); }
.btn--lg { padding: 1.05rem 2rem; font-size: var(--fs-base); }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--color-line);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: var(--header-h); }
.site-branding a { display: inline-flex; align-items: center; gap: 0.6rem; }
.site-branding img { max-height: 46px; width: auto; }
.site-title { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: var(--color-ink); letter-spacing: -0.02em; }
.site-title b { color: var(--color-primary); }

.primary-nav { display: flex; align-items: center; gap: 0.25rem; }
.primary-nav > li { position: relative; }
.primary-nav > li > a {
  display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--font-display);
  font-weight: 500; font-size: var(--fs-sm); color: var(--color-ink); padding: 0.65rem 0.9rem; border-radius: var(--radius-sm);
}
.primary-nav > li > a:hover, .primary-nav > li.is-open > a { color: var(--color-primary); background: var(--color-surface-tint); }
.primary-nav .menu-item-has-children > a::after {
  content: ""; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px); transition: transform var(--dur) var(--ease);
}
.primary-nav .is-open > a::after { transform: rotate(-135deg) translateY(2px); }

/* Mega menu / dropdowns */
.sub-menu, .mega-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 240px;
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 0.6rem; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.primary-nav li:hover > .sub-menu,
.primary-nav li.is-open > .sub-menu,
.primary-nav li:hover > .mega-menu,
.primary-nav li.is-open > .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-menu a { display: block; padding: 0.6rem 0.85rem; border-radius: var(--radius-sm); color: var(--color-body); font-size: var(--fs-sm); }
.sub-menu a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }

.mega-menu {
  left: 50%; transform: translate(-50%, 8px); width: min(880px, 92vw);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem 1.5rem; padding: 1.5rem;
}
.primary-nav li:hover > .mega-menu, .primary-nav li.is-open > .mega-menu { transform: translate(-50%, 0); }
.mega-menu .mega-col-title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted); padding: 0.4rem 0.85rem; }
.mega-menu a { padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); color: var(--color-body); font-size: var(--fs-sm); display: block; }
.mega-menu a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.header-phone { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-display); font-weight: 600; color: var(--color-ink); font-size: var(--fs-sm); }
.header-phone svg { width: 1.15em; height: 1.15em; color: var(--color-primary); }
.header-phone span small { display: block; font-weight: 400; font-size: var(--fs-xs); color: var(--color-muted); }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: var(--radius-sm); align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--color-ink); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur);
}
.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after { transform: translateY(5px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg) translateY(-2px); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--color-primary-light) 0%, #fff 60%); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background:
    radial-gradient(60% 60% at 85% 10%, rgba(14,124,134,0.14), transparent 70%),
    radial-gradient(50% 50% at 0% 100%, rgba(22,163,74,0.10), transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding-block: clamp(3rem, 6vw, 5.5rem); }
.hero--center .hero-inner { grid-template-columns: 1fr; text-align: center; max-width: 880px; margin-inline: auto; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-xs); padding: 0.4rem 0.85rem; border-radius: var(--radius-pill);
  background: #fff; box-shadow: var(--shadow-sm); color: var(--color-ink);
}
.badge svg { width: 1em; height: 1em; color: var(--color-accent); }
.hero h1 { margin-bottom: 1rem; }
.hero-sub { font-size: var(--fs-md); color: var(--color-body); max-width: 56ch; }
.hero--center .hero-sub { margin-inline: auto; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.75rem; }
.hero--center .hero-cta { justify-content: center; }
.hero-trust { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 1.5rem; color: var(--color-muted); font-size: var(--fs-sm); }
.hero-trust strong { color: var(--color-ink); font-family: var(--font-display); }
.hero-media { position: relative; }
.hero-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.hero-card {
  position: absolute; bottom: -1.25rem; left: -1.25rem; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 1rem 1.25rem; display: flex; align-items: center; gap: 0.85rem; max-width: 240px;
}
.hero-card .num { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-xl); color: var(--color-accent); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: var(--fs-sm); color: var(--color-muted); padding-block: 1rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.breadcrumbs li::after { content: "/"; margin-left: 0.5rem; color: var(--color-line); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs [aria-current="page"] { color: var(--color-ink); }

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius);
  padding: 1.75rem; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur);
  height: 100%; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm); display: grid; place-items: center;
  background: var(--color-primary-light); color: var(--color-primary); margin-bottom: 1.1rem;
}
.card .card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--fs-md); margin-bottom: 0.5rem; }
.card p { font-size: var(--fs-sm); color: var(--color-muted); }
.card .card-link { margin-top: auto; padding-top: 1rem; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm); display: inline-flex; align-items: center; gap: 0.4rem; }
.card .card-link svg { transition: transform var(--dur) var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

/* Feature list with check icons */
.feature-list { display: grid; gap: 0.85rem; }
.feature-list li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: var(--fs-sm); }
.feature-list li::before {
  content: ""; flex: none; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%;
  background: var(--color-success-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316A34A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 13px no-repeat;
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 3vw, 2rem); text-align: center; }
.stat .stat-num { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-3xl); color: var(--color-primary); line-height: 1; }
.section--ink .stat .stat-num { color: #5eead4; }
.stat .stat-label { margin-top: 0.5rem; font-size: var(--fs-sm); color: var(--color-muted); }
.section--ink .stat .stat-label { color: #94a3b8; }

/* ---------- Process ---------- */
.process { counter-reset: step; display: grid; gap: 1.25rem; grid-template-columns: repeat(4, 1fr); }
.process-step { position: relative; padding: 1.75rem; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); }
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-weight: 800; font-size: var(--fs-lg); color: var(--color-primary);
  background: var(--color-primary-light); width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 1rem;
}
.process-step h3 { font-size: var(--fs-md); margin-bottom: 0.4rem; }
.process-step p { font-size: var(--fs-sm); color: var(--color-muted); }

/* ---------- FAQ ---------- */
.faq { max-width: var(--container-narrow); margin-inline: auto; display: grid; gap: 0.75rem; }
.faq-item { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.25rem 1.5rem; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-base); color: var(--color-ink);
}
.faq-q .faq-icon { flex: none; width: 22px; height: 22px; position: relative; }
.faq-q .faq-icon::before, .faq-q .faq-icon::after { content: ""; position: absolute; inset: 0; margin: auto; background: var(--color-primary); transition: transform var(--dur) var(--ease); }
.faq-q .faq-icon::before { width: 14px; height: 2px; }
.faq-q .faq-icon::after { width: 2px; height: 14px; }
.faq-item.is-open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease); }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { padding: 0 1.5rem 1.4rem; color: var(--color-muted); font-size: var(--fs-sm); }

/* ---------- Testimonials ---------- */
.testimonials { position: relative; }
.testimonial-track { display: flex; gap: 1.5rem; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 1rem; -ms-overflow-style: none; scrollbar-width: none; }
.testimonial-track::-webkit-scrollbar { display: none; }
.testimonial { scroll-snap-align: start; flex: 0 0 min(420px, 85%); background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 2rem; }
.testimonial .quote { font-size: var(--fs-md); color: var(--color-ink); font-family: var(--font-display); font-weight: 500; line-height: var(--lh-snug); }
.testimonial .stars { color: #F59E0B; margin-bottom: 1rem; letter-spacing: 2px; }
.testimonial .author { margin-top: 1.25rem; display: flex; align-items: center; gap: 0.85rem; }
.testimonial .author .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; }
.testimonial .author cite { font-style: normal; font-family: var(--font-display); font-weight: 600; color: var(--color-ink); display: block; }
.testimonial .author span { font-size: var(--fs-sm); color: var(--color-muted); }
.slider-nav { display: flex; gap: 0.5rem; justify-content: flex-end; margin-bottom: 1rem; }
.slider-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--color-line); display: grid; place-items: center; color: var(--color-ink); transition: background var(--dur), color var(--dur); }
.slider-nav button:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---------- CTA / Contact form ---------- */
.cta-band { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; }
.cta-band h2 { color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.cta-copy p { color: rgba(255,255,255,0.85); margin-top: 0.85rem; font-size: var(--fs-md); }
.cta-copy .cta-points { margin-top: 1.5rem; display: grid; gap: 0.75rem; }
.cta-copy .cta-points li { display: flex; gap: 0.6rem; align-items: center; }
.cta-copy .cta-points li svg { width: 1.2em; height: 1.2em; color: #5eead4; flex: none; }
.cta-copy .cta-phone { margin-top: 1.75rem; }
.cta-copy .cta-phone a { color: #fff; font-family: var(--font-display); font-weight: 700; font-size: var(--fs-xl); display: inline-flex; gap: 0.5rem; align-items: center; }

.quote-form { background: #fff; color: var(--color-body); border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.25rem); box-shadow: var(--shadow-lg); }
.quote-form h3 { margin-bottom: 0.4rem; }
.quote-form .form-intro { font-size: var(--fs-sm); color: var(--color-muted); margin-bottom: 1.25rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm); color: var(--color-ink); }
.field label .req { color: var(--color-error); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 0.95rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm);
  background: var(--color-surface-alt); transition: border-color var(--dur), box-shadow var(--dur); font-size: var(--fs-sm);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); outline: none; background: #fff; }
.field textarea { min-height: 110px; resize: vertical; }
.field--consent { flex-direction: row; align-items: flex-start; gap: 0.6rem; }
.field--consent input { width: auto; margin-top: 0.2rem; }
.field--consent label { font-weight: 400; color: var(--color-muted); font-size: var(--fs-xs); }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-feedback { margin-top: 1rem; padding: 0.85rem 1rem; border-radius: var(--radius-sm); font-size: var(--fs-sm); display: none; }
.form-feedback.is-success { display: block; background: var(--color-success-bg); color: var(--color-accent-dark); }
.form-feedback.is-error { display: block; background: var(--color-error-bg); color: var(--color-error); }
.field-error { border-color: var(--color-error) !important; }

/* ---------- Related ---------- */
.related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.related-list a { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 1rem 1.25rem; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm); color: var(--color-ink); }
.related-list a:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateX(2px); }

/* ---------- Archive / hub ---------- */
.archive-hero { background: var(--color-primary-light); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.filter-input { flex: 1 1 260px; padding: 0.8rem 1rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); background: #fff; }
.region-group { margin-bottom: 2rem; }
.region-group h3 { font-size: var(--fs-md); margin-bottom: 1rem; }

/* ---------- Blog ---------- */
.post-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.post-card .thumb { aspect-ratio: 16/9; background: var(--color-surface-tint); object-fit: cover; }
.post-card .post-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.post-meta { font-size: var(--fs-xs); color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.post-card h3 { font-size: var(--fs-md); }
.entry-content { max-width: var(--container-narrow); margin-inline: auto; }
.entry-content h2 { margin: 2rem 0 0.75rem; }
.entry-content h3 { margin: 1.5rem 0 0.5rem; }
.entry-content p { margin-bottom: 1rem; }
.entry-content ul, .entry-content ol { margin: 0 0 1rem 1.25rem; }
.entry-content ul li { list-style: disc; margin-bottom: 0.4rem; }
.entry-content ol li { list-style: decimal; margin-bottom: 0.4rem; }
.entry-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.entry-content blockquote { border-left: 4px solid var(--color-primary); padding-left: 1.25rem; margin: 1.5rem 0; color: var(--color-ink); font-size: var(--fs-md); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-secondary); color: #94a3b8; padding-block: clamp(3rem, 6vw, 4.5rem) 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.site-footer h4 { color: #fff; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.1rem; }
.site-footer a { color: #94a3b8; font-size: var(--fs-sm); }
.site-footer a:hover { color: #fff; }
.footer-links { display: grid; gap: 0.6rem; }
.footer-about p { font-size: var(--fs-sm); margin-top: 1rem; }
.footer-nap { margin-top: 1.25rem; display: grid; gap: 0.5rem; font-size: var(--fs-sm); }
.footer-nap span { display: flex; gap: 0.6rem; align-items: flex-start; }
.footer-nap svg { width: 1.1em; height: 1.1em; color: var(--color-primary); flex: none; margin-top: 3px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
.footer-badges .badge { background: rgba(255,255,255,0.06); color: #cbd5e1; box-shadow: none; }
.footer-social { display: flex; gap: 0.6rem; margin-top: 1.25rem; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.06); display: grid; place-items: center; }
.footer-social a:hover { background: var(--color-primary); }
.footer-newsletter input { width: 100%; padding: 0.7rem 0.9rem; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.05); color: #fff; }
.footer-bottom { margin-top: 3rem; border-top: 1px solid rgba(255,255,255,0.1); padding-block: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: var(--fs-xs); }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; display: none; gap: 0.5rem; padding: 0.6rem; background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); border-top: 1px solid var(--color-line); box-shadow: 0 -4px 12px rgba(15,23,42,0.08); }
.sticky-cta .btn { flex: 1; justify-content: center; padding: 0.85rem; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.flow > * + * { margin-top: 1rem; }
.pill { display: inline-block; font-size: var(--fs-xs); font-family: var(--font-display); font-weight: 600; padding: 0.3rem 0.7rem; border-radius: var(--radius-pill); background: var(--color-primary-light); color: var(--color-primary-dark); }
.map-embed { aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-line); }
.map-embed iframe { width: 100%; height: 100%; border: 0; }
.prose-cols { columns: 2; column-gap: 2.5rem; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .process, .stats { grid-template-columns: repeat(2, 1fr); }
  .related-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero-inner, .cta-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: flex; }
  .header-phone span small { display: none; }
  .primary-nav {
    position: fixed; inset: var(--header-h) 0 0 auto; width: min(360px, 88vw); background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 1rem; overflow-y: auto;
    border-left: 1px solid var(--color-line); box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform var(--dur) var(--ease); z-index: 99;
  }
  .primary-nav.is-active { transform: translateX(0); }
  .primary-nav > li > a { padding: 0.85rem; border-radius: var(--radius-sm); justify-content: space-between; }
  .sub-menu, .mega-menu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none;
    width: auto; display: none; grid-template-columns: 1fr; padding: 0 0 0.5rem 0.85rem; background: transparent;
  }
  .primary-nav li.is-open > .sub-menu, .primary-nav li.is-open > .mega-menu { display: grid; }
}
@media (max-width: 640px) {
  :root { --fs-3xl: 2.25rem; --fs-2xl: 1.9rem; --fs-xl: 1.5rem; }
  .grid--2, .grid--3, .grid--4, .process, .stats, .related-list, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .prose-cols { columns: 1; }
  .sticky-cta { display: flex; }
  body { padding-bottom: 72px; }
  .hero-card { position: static; margin-top: 1rem; max-width: none; }
}

/* ---------- Motion / print ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}
@media print { .site-header, .site-footer, .sticky-cta, .cta-band { display: none; } }

/* -------------------------------------------------------------------------
 * Supplementary states (form feedback, validation, nav lock, misc)
 * ---------------------------------------------------------------------- */
.form-feedback.is-pending { display: block; background: var(--color-surface-tint); color: var(--color-muted); }
.form-feedback:focus { outline: none; }

.mbtx-quote-form .has-error,
.mbtx-quote-form [aria-invalid="true"] {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px var(--color-error-bg);
}

/* Lock scroll while the mobile nav drawer is open. */
body.nav-open { overflow: hidden; }

/* Paginated post link list (wp_link_pages). */
.page-links { margin: 1.5rem 0; display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; font-family: var(--font-display); font-weight: 600; }
.page-links a, .page-links > span { padding: 0.35rem 0.7rem; border-radius: var(--radius-sm); border: 1px solid var(--color-line); }
.page-links a:hover { background: var(--color-surface-tint); }

/* Posts pagination (the_posts_pagination). */
.pagination, nav.pagination { margin-top: 3rem; display: flex; justify-content: center; }
.pagination .nav-links { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.pagination .page-numbers { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; padding: 0 0.75rem; border-radius: var(--radius-sm); border: 1px solid var(--color-line); background: #fff; font-family: var(--font-display); font-weight: 600; color: var(--color-ink); }
.pagination .page-numbers:hover { background: var(--color-surface-tint); }
.pagination .page-numbers.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .page-numbers.dots { border: 0; background: transparent; }

/* Default WordPress search form. */
.search-form { display: flex; gap: 0.5rem; }
.search-form .search-field { flex: 1; padding: 0.85rem 1rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); background: #fff; }
.search-form .search-submit { padding: 0.85rem 1.4rem; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; border: 0; font-family: var(--font-display); font-weight: 600; cursor: pointer; }
.search-form .search-submit:hover { background: var(--color-primary-dark); }

/* Post card media wrapper keeps thumbs uniform when image is missing. */
.post-card-media { display: block; }
.post-card-media .thumb { display: block; width: 100%; }

/* Comments area spacing. */
.comments-area { margin-top: 2rem; }
.comments-area .comment-list { list-style: none; margin: 0; padding: 0; }