/* ==========================================================================
   USA Magnum — shared visual system
   Implements ASTRA_DESIGN_SPEC.md sections 1, 2, 5, 8, 9.
   New components are prefixed `um-` to avoid colliding with the legacy
   Tailwind classes and the existing `.container` / `.btn` / `.nav-links`
   rules still present on some pages.
   ========================================================================== */

:root {
  --ink: #0b1726;
  --blue: #0c1f5e;
  --blue2: #1e3a8a;
  --blue3: #2563eb;
  --gold: #d97706;
  --gold2: #f59e0b;
  --gold3: #fbbf24;
  --paper: #f8fafc;
  --rule: #e2e8f0;
  --mute: #64748b;
  --white: #ffffff;
  --text-secondary: #475569;
  --blue-soft: #eff6ff;
  --gold-soft: #fffbeb;
  --gold-text: #92400e;
  --dark-copy: #cbd5e1;
  --field-border: #64748b;
  --success: #166534;
  --success-soft: #f0fdf4;
  --error: #991b1b;
  --error-soft: #fef2f2;
  --radius-sm: .5rem;
  --radius-card: 1rem;
  --radius-panel: 1.5rem;
  --shadow-card: 0 6px 24px rgb(11 23 38 / .06);
  --shadow-hover: 0 12px 32px rgb(11 23 38 / .12);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --header-height: 4.5rem;
}

[hidden] { display: none !important; }

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

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}

/* ---- Layout ---------------------------------------------------------- */

.um-container { max-width: 1200px; margin-inline: auto; padding-inline: 1.5rem; }
.um-section { padding-block: clamp(3rem, 6vw, 6rem); }
.um-section--soft { background: var(--paper); }
.um-section-head { max-width: 46rem; margin-bottom: 2rem; }

/* ---- Typography ------------------------------------------------------ */

.um-title {
  font-size: clamp(2.125rem, 4.4vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 800;
  margin: 0 0 1.25rem;
}
.um-h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -.025em;
  font-weight: 800;
  margin: 0 0 1rem;
}
.um-h3 { font-size: 1.375rem; line-height: 1.3; font-weight: 700; margin: 0; }
.um-lead {
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  line-height: 1.65;
  max-width: 60ch;
  color: var(--text-secondary);
}
.um-eyebrow {
  color: var(--gold-text);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0 0 .75rem;
}
.um-muted { color: var(--text-secondary); }
.um-prose { max-width: 70ch; }
.um-prose a { color: var(--blue2); text-decoration: underline; text-underline-offset: .2em; }
.um-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* ---- Buttons --------------------------------------------------------- */

.um-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: .625rem;
  font: 700 .9375rem/1.3 Inter, system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
  transition: background .16s, box-shadow .16s, color .16s;
}
.um-btn--blue { background: var(--blue2); color: #fff; }
.um-btn--blue:hover { background: var(--blue); }
/* --- Print Shop category announcement bar -------------------------------
   Without an explicit gap the descriptive text and the phone CTA collided
   ("...and manuals.Need help? 800.893.1183"). Give the row real separation and
   let it stack when space runs out. */
.um-promo-strip {
  background: var(--blue);
  color: #cbd5e1;
  font-size: .78rem;
  padding: .5rem 0;
}
.um-promo-strip__inner { gap: .75rem 1.5rem; }
.um-promo-strip__inner > span:first-child { min-width: 0; }
.um-promo-strip .phone-cta { white-space: nowrap; }
.um-promo-strip .phone-cta::before { content: " "; }

@media (max-width: 640px) {
  .um-promo-strip__inner { flex-direction: column; align-items: flex-start !important; gap: .25rem; }
  .um-promo-strip .phone-cta { display: inline-flex !important; }
}

/* Short-form anchor aliases (#ai -> #ai-solutions, #whyus -> #why-us).
   Zero-size, non-visual, still a valid scroll target. */
.um-anchor-alias { display: block; position: relative; top: -6rem; visibility: hidden; }

.um-btn--gold { background: var(--gold2); color: var(--ink); }
.um-btn--gold:hover { background: var(--gold3); }
/* Compact variant for the 640px AI-consultation popup window. */
.um-btn--sm {
  display: inline-flex;
  align-items: center;
  min-height: 0;
  padding: .35rem .75rem;
  font-size: .8125rem;
  font-weight: 700;
  border-radius: .5rem;
  text-decoration: none;
}
.um-btn--outline { background: #fff; border-color: var(--blue2); color: var(--blue2); }
.um-btn--outline:hover { background: var(--blue-soft); }
.um-btn--inverse { background: transparent; border-color: var(--dark-copy); color: #fff; }
.um-btn--inverse:hover { background: rgba(255,255,255,.08); }

.um-link {
  color: var(--blue2);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: .2em;
}
.um-link:hover { color: var(--blue3); }

/* ---- Split / cards ---------------------------------------------------- */

.um-split { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; }
.um-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
}

/* ---- Hero ------------------------------------------------------------- */

.um-hero {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: linear-gradient(120deg, var(--blue), var(--blue2));
  color: #fff;
}
.um-hero .um-title, .um-hero .um-h2 { color: #fff; }
.um-hero .um-lead { color: var(--dark-copy); }
.um-hero .um-eyebrow { color: var(--gold3); }

.um-hero--light { background: var(--paper); color: var(--ink); }
.um-hero--light .um-title { color: var(--ink); }
.um-hero--light .um-lead { color: var(--text-secondary); }
.um-hero--light .um-eyebrow { color: var(--gold-text); }

.um-hero__media img {
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius-panel);
  padding: 1rem;
  box-shadow: var(--shadow-card);
}

/* ---- Header ----------------------------------------------------------- */

.um-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--rule);
}
.um-header-row { display: flex; align-items: center; gap: .5rem; min-height: var(--header-height); }
.um-brand {
  margin-right: auto;
  white-space: nowrap;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -.04em;
  color: var(--blue);
  text-decoration: none;
}
.um-brand span { font-weight: 600; }
.um-desktop-nav, .um-phone, .um-header-ctas { display: none; }
.um-header-ctas { align-items: center; gap: .625rem; }
.um-mobile-shop { padding-inline: .75rem; font-size: .8125rem; min-height: 44px; }
.um-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.um-mobile-nav {
  border-top: 1px solid var(--rule);
  background: #fff;
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  overscroll-behavior: contain;
}
.um-mobile-links { display: grid; gap: .25rem; padding-block: 1rem; }
.um-mobile-links > a {
  min-height: 44px;
  padding: .75rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.um-mobile-links > .um-btn--blue { color: #fff; }
.um-mobile-links > a:not(.um-btn):hover { background: var(--blue-soft); }

/* ---- Print category subnav -------------------------------------------- */

.um-category-nav { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.um-category-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--blue2);
  font-size: .9375rem;
  font-weight: 600;
}
.um-category-nav a:hover { color: var(--blue3); }
.um-category-nav [aria-current] { font-weight: 800; text-decoration: underline; text-underline-offset: .25em; }

/* ---- Breadcrumb ------------------------------------------------------- */

.um-breadcrumb { padding-block: 1.25rem; font-size: .875rem; }
.um-breadcrumb ol { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: 0; }
.um-breadcrumb a { color: var(--blue2); text-decoration: underline; }
.um-breadcrumb li + li::before { content: "/"; color: var(--mute); margin-right: .5rem; }

/* ---- Product grid ----------------------------------------------------- */

.um-product-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.um-product-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .16s, border-color .16s;
}
.um-product-card:hover, .um-product-card:focus-within {
  border-color: var(--blue3);
  box-shadow: var(--shadow-hover);
}
.um-product-media { display: block; aspect-ratio: 4 / 3; background: var(--paper); padding: .75rem; }
.um-product-media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.um-product-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .875rem; flex: 1; }
.um-product-body p { margin: 0; color: var(--text-secondary); }
.um-spec-list { margin: 0; padding-left: 1.1rem; color: var(--text-secondary); font-size: .875rem; }
.um-spec-list li { margin-bottom: .25rem; }
.um-product-actions { margin-top: auto; display: grid; gap: .5rem; padding-top: .75rem; }
.um-product-actions .um-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: .8755rem;
}

/* ---- Trust strip ------------------------------------------------------ */

.um-trust {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  background: var(--paper);
  border-block: 1px solid var(--rule);
}
.um-trust__item {
  display: flex;
  align-items: center;
  gap: .75rem;
  justify-content: center;
  padding: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
}
.um-trust__item img { height: 28px; width: auto; object-fit: contain; }

/* ---- Steps ------------------------------------------------------------ */

.um-steps { display: grid; grid-template-columns: 1fr; gap: 1.5rem; padding: 0; margin: 0; list-style: none; }
.um-steps li { padding: 1.5rem; border: 1px solid var(--rule); border-radius: var(--radius-card); background: #fff; }
.um-steps h3 { margin: 0 0 .5rem; font-size: 1.125rem; font-weight: 700; }
.um-steps p { margin: 0; color: var(--text-secondary); }
.um-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--blue2);
  color: #fff;
  font-weight: 800;
  margin-bottom: .75rem;
}

/* ---- CTA band --------------------------------------------------------- */

.um-cta-band {
  background: linear-gradient(120deg, var(--blue), var(--blue2));
  color: #fff;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.um-cta-band .um-h2 { color: #fff; }
.um-cta-band .um-lead { color: var(--dark-copy); }

/* ---- Forms ------------------------------------------------------------ */

.um-field {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: .75rem 1rem;
  font: 400 1rem/1.5 Inter, system-ui, sans-serif;
  border: 1px solid var(--field-border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: #fff;
}
.um-field[aria-invalid="true"] { border-color: var(--error); }
.um-notice {
  padding: 1rem 1.25rem;
  background: var(--gold-soft);
  color: var(--gold-text);
  border: 1px solid var(--gold);
  border-radius: .75rem;
}
.um-badge {
  display: inline-flex;
  padding: .3rem .65rem;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue2);
  font-size: .75rem;
  font-weight: 700;
}

/* ---- Footer ----------------------------------------------------------- */

/* ASTRA round 3: the 4rem top padding produced the empty navy band above the
   slogan that read as a broken spacer. Remove it and let the container provide
   the breathing room instead. */
.um-footer { background: var(--ink); color: var(--dark-copy); padding-block: 0 2rem; }
.um-footer > .um-container { padding-top: 3rem; }
.um-footer .um-footer__slogan a { color: var(--gold3); }
.um-footer__slogan {
  background: var(--blue2);
  color: #fff;
  padding-block: 1.5rem;
  text-align: center;
}
.um-footer__slogan p { margin: 0 0 .5rem; font-size: clamp(1.25rem, 2.4vw, 2rem); font-weight: 800; }
.um-footer__slogan nav { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; justify-content: center; }
.um-footer__slogan a { color: var(--gold3); font-size: .875rem; font-weight: 700; }
.um-footer__grid { display: grid; gap: 2rem; }
.um-footer__title { color: #fff; font-size: 1rem; font-weight: 700; margin: 0 0 1rem; }
.um-footer__list { list-style: none; padding: 0; margin: 0; }
.um-footer a { color: var(--dark-copy); text-decoration: none; }
.um-footer__list a { display: inline-flex; align-items: center; min-height: 44px; font-size: .875rem; }
.um-footer a:hover { color: var(--gold3); text-decoration: underline; }
.um-footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: .8125rem;
}

/* ---- Homepage business lanes ------------------------------------------ */

.um-lanes { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; gap: 1rem; }
.um-lane a {
  display: grid;
  gap: .5rem;
  height: 100%;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  text-decoration: none;
  transition: background .16s, border-color .16s, transform .16s;
}
.um-lane a:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .4); transform: translateY(-2px); }
.um-lane__media { display: block; }
.um-lane__media img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: .5rem;
}
.um-lane__title { font-weight: 800; font-size: 1.0625rem; }
.um-lane__copy { color: var(--dark-copy); font-size: .9375rem; }
.um-lane--print { border-color: var(--gold2); }
.um-lane--print a { background: rgba(217, 119, 6, .22); border-color: var(--gold2); }
.um-lane--print a:hover { background: rgba(217, 119, 6, .34); }

/* ---- Utilities -------------------------------------------------------- */

.um-skip {
  position: fixed;
  z-index: 10000;
  top: .5rem;
  left: .5rem;
  padding: .75rem 1rem;
  background: #fff;
  color: var(--blue);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}
.um-skip:focus { transform: none; }
[id] { scroll-margin-top: 6rem; }

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--blue3);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px #fff;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---- Breakpoints ------------------------------------------------------ */

@media (min-width: 640px) {
  .um-split { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .um-lanes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .um-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .um-trust { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .um-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .um-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .um-split { grid-template-columns: 1.1fr 1fr; gap: 3rem; }
  .um-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1100px) {
  .um-product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .um-footer__grid { grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr)); }
}

/* Desktop header only at 1200px: seven destinations + logo + phone do not
   fit at tablet widths (ASTRA_DESIGN_SPEC.md §3). */
@media (min-width: 1200px) {
  .um-desktop-nav { display: flex; align-items: center; gap: 1.25rem; }
  .um-desktop-nav > a {
    white-space: nowrap;
    font-size: .875rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
  }
  .um-desktop-nav > a:not(.um-btn):hover {
    color: var(--blue3);
    text-decoration: underline;
  }
  .um-desktop-nav [aria-current],
  .um-desktop-nav .is-section-active {
    text-decoration: underline;
    text-underline-offset: .35em;
  }
  /* Right-hand CTA pair: gold Print Shop + blue phone, equal height. */
  .um-header-ctas { display: flex; margin-left: .25rem; }
  .um-header-ctas .um-btn { min-height: 46px; padding: .625rem 1.125rem; font-size: .875rem; white-space: nowrap; }
  .um-header-ctas .um-shop-btn[aria-current],
  .um-header-ctas .um-shop-btn.is-section-active {
    box-shadow: 0 0 0 2px var(--ink);
  }
  .um-phone { display: inline-flex; }
  .um-mobile-shop, .um-menu-toggle, .um-mobile-nav { display: none; }
}

@media (max-width: 479px) {
  .um-actions { align-items: stretch; flex-direction: column; }
  .um-actions > .um-btn { width: 100%; }
}