/* ─────────────────────────────────────────────────────────────────────────
   mnconsulting.io — site furniture (header, nav, footer, shared page bits)
   Builds on css/styles.css. No hex here — var(--…) only.
   ───────────────────────────────────────────────────────────────────────── */

.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 / nav ──────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header__inner {
  max-width: 1040px; margin: 0 auto; padding: 14px 48px;
  display: flex; align-items: center; gap: 20px;
}
.site-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  text-transform: uppercase; letter-spacing: 0.04em; font-size: 17px;
  color: var(--color-text); text-decoration: none; margin-right: auto;
  white-space: nowrap;
}
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  text-transform: uppercase; letter-spacing: 0.03em; font-size: 13px;
  color: var(--color-text); text-decoration: none;
}
.site-nav a:hover { color: var(--color-accent-700); }
.site-nav a[aria-current="page"] { color: var(--color-accent-700); text-decoration: underline; text-underline-offset: 5px; }
.site-nav__cta { padding: 8px 16px; }
.site-nav__cta[aria-current="page"] { text-decoration: none; }

.site-nav__toggle {
  display: none; width: 40px; height: 40px; padding: 0; cursor: pointer;
  background: transparent; border: 1px solid var(--color-divider); border-radius: 0;
  position: relative;
}
.site-nav__toggle-bar,
.site-nav__toggle-bar::before,
.site-nav__toggle-bar::after {
  content: ""; position: absolute; left: 9px; width: 20px; height: 2px;
  background: var(--color-text);
}
.site-nav__toggle-bar { top: 19px; }
.site-nav__toggle-bar::before { top: -6px; }
.site-nav__toggle-bar::after { top: 6px; }

@media (max-width: 720px) {
  .site-header__inner { padding: 12px 20px; }
  .site-nav__toggle { display: block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-bg); border-bottom: 1px solid var(--color-divider);
    padding: 8px 20px 16px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--color-divider); }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav__cta { margin-top: 12px; justify-content: center; }
}

/* ── footer ───────────────────────────────────────────────────────────── */
.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.site-footer__inner {
  max-width: 1040px; margin: 0 auto; padding: 48px;
  display: grid; grid-template-columns: 1fr auto; gap: 24px 48px; align-items: start;
}
.site-footer__brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  text-transform: uppercase; letter-spacing: 0.04em; font-size: 16px; margin: 0 0 6px;
}
.site-footer__tag { margin: 0; font-size: 14px; color: color-mix(in srgb, var(--color-text) 65%, transparent); }
.site-footer__nav { display: flex; flex-direction: column; gap: 8px; }
.site-footer__nav a {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  color: var(--color-text); text-decoration: none;
}
.site-footer__nav a:hover { color: var(--color-accent-700); }
.site-footer__meta {
  grid-column: 1 / -1; margin: 8px 0 0; padding-top: 20px;
  border-top: 1px solid var(--color-divider);
  font-size: 13px; color: color-mix(in srgb, var(--color-text) 60%, transparent);
  display: flex; gap: 10px; flex-wrap: wrap;
}
.site-footer__meta a { color: inherit; }

@media (max-width: 720px) {
  .site-footer { margin-top: 64px; }
  .site-footer__inner { grid-template-columns: 1fr; padding: 32px 20px; }
}

/* ── shared page furniture ────────────────────────────────────────────── */
.page { padding: 72px 0 0; }
.page .w { max-width: 1040px; margin: 0 auto; padding: 0 48px; }
@media (max-width: 720px) { .page { padding: 48px 0 0; } .page .w { padding: 0 20px; } }

.page-kicker {
  display: block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; color: var(--color-accent-700); margin: 0 0 14px;
}
.page-title { font-size: 52px; }
.lede {
  font-size: 18px; line-height: 1.5; max-width: 60ch; margin: 24px 0 0;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}
.prose { max-width: 62ch; margin: 40px 0 0; }
.prose > * + * { margin-top: 16px; }
.prose h2 {
  font-size: 24px; text-transform: uppercase; letter-spacing: 0.01em;
  margin-top: 48px; margin-bottom: 4px;
}
.section-rule { height: 1px; border: 0; background: var(--color-divider); margin: 56px 0; }

/* home hero */
.home-hero { padding: 88px 0 64px; }
.home-hero .dh { font-size: 68px; }
.home-hero .lede { font-size: 19px; }
.home-hero__cta { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 720px) { .home-hero .dh { font-size: clamp(38px, 12vw, 60px); } }

/* solutions / offer cards */
.solutions-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 40px 0 0;
}
@media (max-width: 900px) { .solutions-grid { grid-template-columns: 1fr; } }
.solution-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 28px; border: 1px solid var(--color-divider); background: var(--color-bg);
  text-decoration: none; color: var(--color-text);
}
.solution-card:hover { border-color: var(--color-accent); }
.solution-card h3 {
  font-size: 20px; text-transform: uppercase; letter-spacing: 0.02em; margin: 0;
}
.solution-card p { margin: 0; font-size: 14px; color: color-mix(in srgb, var(--color-text) 72%, transparent); }
.solution-card__more {
  margin-top: auto; font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  text-transform: uppercase; letter-spacing: 0.03em; font-size: 13px; color: var(--color-accent-700);
}
.solution-card.is-soon { opacity: 0.72; }
.solution-card.is-soon:hover { border-color: var(--color-divider); }
.badge-soon {
  align-self: flex-start; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; padding: 3px 8px; border: 1px solid var(--color-divider);
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
}

/* offer stub */
.offer-stub { padding: 96px 0; }
.offer-stub .dh { font-size: 48px; }
.offer-stub p { max-width: 52ch; margin: 20px 0 0; color: color-mix(in srgb, var(--color-text) 78%, transparent); }
.offer-stub .btn { margin-top: 28px; }

/* contact form */
.contact-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; margin: 40px 0 0; }
@media (max-width: 820px) { .contact-layout { grid-template-columns: 1fr; gap: 32px; } }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 500; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 15px; color: var(--color-text);
  background: var(--color-bg); border: 1px solid var(--color-divider); border-radius: 0;
  padding: 10px 12px;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--color-accent-700); outline-offset: 1px; border-color: var(--color-accent-700);
}
.contact-form .btn { align-self: flex-start; margin-top: 4px; }
.form-note { font-size: 13px; color: color-mix(in srgb, var(--color-text) 60%, transparent); }