/* BD App Guard — security / mobile access, navy + shield green */

/* Skip link: hidden until keyboard focus (a11y without visual noise) */
a.skip-link,
body > a[href="#main"] {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 1000;
  padding: 0.5rem 0.85rem;
  background: var(--pico-primary, #0b2a4a);
  color: #fff;
  border-radius: 0.35rem;
  font-weight: 600;
  text-decoration: none;
  /* visually hide until focused */
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
}

a.skip-link:focus,
a.skip-link:focus-visible,
body > a[href="#main"]:focus,
body > a[href="#main"]:focus-visible {
  clip: auto;
  clip-path: none;
  width: auto;
  height: auto;
  overflow: visible;
  outline: 2px solid var(--cta-green, #8bc34a);
  outline-offset: 2px;
}

:root {
  --pico-font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --pico-primary: #0b2a4a;
  --pico-primary-background: #0b2a4a;
  --pico-primary-hover: #143d66;
  --pico-primary-underline: rgba(11, 42, 74, 0.45);
  --pico-background-color: #f0f4f8;
  --pico-card-background-color: #ffffff;
  --pico-border-radius: 0.4rem;
  --cta-green: #8bc34a;
  --accent-green: #7cb342;
  --warn-amber: #c47b16;
  --danger-soft: #fdecea;
  --ok-soft: #e8f5e9;
  --surface-dark: #0b2a4a;
}

/* —— Site header + responsive nav (no horizontal scroll) —— */
.site-header {
  border-bottom: 3px solid var(--cta-green);
  background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%);
  margin-bottom: 0;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  min-height: 3.25rem;
}

a.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

a.brand-lockup:hover {
  text-decoration: none;
  opacity: 0.92;
}

a.brand-lockup strong {
  letter-spacing: 0.02em;
  white-space: nowrap;
  font-size: 1rem;
}

.site-tag {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.35rem;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(11, 42, 74, 0.15);
}

/* Hamburger — mobile only */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.4rem 0.65rem;
  border: 1px solid #c5d0dc;
  border-radius: 0.35rem;
  background: #fff;
  color: var(--pico-primary);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  width: auto;
  height: auto;
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: #f0f4f8;
  border-color: var(--cta-green);
}

.nav-toggle-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 1.1rem;
}

.nav-toggle-box span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--pico-primary);
  border-radius: 1px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/*
 * Kill Pico nav hacks that stack items:
 *   nav, nav ul { display: flex }
 *   nav li { display: inline-block; padding: … }
 *   :where(nav li)::before { float: left; content: "​" }
 */
nav.site-nav {
  display: block;
  justify-content: initial;
  align-items: initial;
  overflow: visible;
  border-top: 1px solid #d5dee8;
  width: 100%;
  margin: 0;
  padding: 0;
}

nav.site-nav ul {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.15rem;
  list-style: none;
  margin: 0 !important;
  padding: 0.35rem 0 0.55rem !important;
  width: 100%;
  float: none;
}

nav.site-nav li {
  display: block !important;
  float: none !important;
  position: relative;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  flex: 0 0 auto;
  width: auto;
}

/* Pico injects a floated zero-width space — remove it */
nav.site-nav li::before {
  content: none !important;
  display: none !important;
  float: none !important;
}

nav.site-nav li a {
  position: relative;
  display: inline-block !important;
  margin: 0 !important;
  padding: 0.35rem 0.55rem !important;
  color: var(--pico-primary);
  text-decoration: none;
  border-radius: 0.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  float: none !important;
  width: auto;
  box-sizing: border-box;
  transition: color 0.15s ease, background 0.15s ease;
}

nav.site-nav li a::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.15rem;
  height: 2px;
  background: var(--cta-green);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

nav.site-nav li a:hover {
  color: var(--pico-primary-hover);
  background: rgba(139, 195, 74, 0.12);
  text-decoration: none;
}

nav.site-nav li a:hover::after {
  transform: scaleX(1);
}

nav.site-nav li a[aria-current="page"] {
  font-weight: 700;
  background: rgba(11, 42, 74, 0.06);
}

nav.site-nav li a[aria-current="page"]::after {
  transform: scaleX(1);
}

/*
 * < 900px: mobile menu (vertical stack, no horizontal scroll)
 * ≥ 900px: single desktop row
 */
@media (max-width: 899px) {
  .nav-toggle {
    display: inline-flex;
  }

  /* Full-bleed panel under header (one solid background block) */
  nav.site-nav {
    display: none;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid #d5dee8;
    background: #eef3f8;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }

  nav.site-nav.is-open {
    display: block !important;
    padding: 1rem 0 1.15rem;
  }

  /* Override Pico .container side padding quirks — center the list block */
  nav.site-nav.is-open.container {
    width: 100%;
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
    margin-left: 0;
    margin-right: 0;
  }

  nav.site-nav.is-open ul {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 0 !important;
    width: min(100% - 2rem, 22rem) !important;
    max-width: 22rem;
    margin: 0 auto !important;
    padding: 0.35rem 0 !important;
    height: auto !important;
    min-height: 0 !important;
    background: transparent;
    list-style: none !important;
  }

  nav.site-nav.is-open li {
    display: block !important;
    float: none !important;
    width: 100% !important;
    flex: none !important;
    height: auto !important;
    clear: both !important;
    margin: 0 !important;
    padding: 0 !important;
    border-bottom: 1px solid #d5dee8;
  }

  nav.site-nav.is-open li:last-child {
    border-bottom: none;
  }

  nav.site-nav.is-open li::before {
    content: none !important;
    display: none !important;
    float: none !important;
  }

  nav.site-nav.is-open li a {
    display: block !important;
    width: 100% !important;
    max-width: 100%;
    margin: 0 !important;
    padding: 1rem 1.15rem !important;
    font-size: 1.05rem !important;
    line-height: 1.45 !important;
    text-align: center !important;
    border-radius: 0 !important;
    white-space: normal !important;
    border: none !important;
    background: transparent !important;
    color: var(--pico-primary) !important;
    float: none !important;
    height: auto !important;
    box-sizing: border-box;
  }

  nav.site-nav.is-open li a::after {
    display: none !important;
    content: none !important;
  }

  nav.site-nav.is-open li a:hover,
  nav.site-nav.is-open li a:focus-visible {
    background: rgba(11, 42, 74, 0.06) !important;
    text-decoration: none;
  }

  nav.site-nav.is-open li a[aria-current="page"] {
    background: rgba(139, 195, 74, 0.2) !important;
    font-weight: 700;
    color: var(--pico-primary) !important;
  }
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none !important;
  }

  nav.site-nav {
    display: block !important;
  }

  .site-header .header-bar {
    padding-bottom: 0.2rem;
  }

  nav.site-nav li a {
    padding: 0.35rem 0.5rem !important;
    font-size: 0.88rem !important;
  }
}

@media (min-width: 1100px) {
  nav.site-nav li a {
    padding: 0.4rem 0.65rem !important;
    font-size: 0.92rem !important;
  }
}

.site-kicker {
  color: var(--accent-green);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

/* Partner / affiliate CTAs (sponsored) */
.partner-cta-box {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border-radius: 0.4rem;
  border: 1px solid #c5d0dc;
  background: #fff;
  border-left: 4px solid var(--cta-green);
}

.partner-cta-box p {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.partner-cta-box .partner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

a.partner-cta {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 0.3rem;
  background: var(--cta-green);
  color: #0b2a4a !important;
  font-weight: 700;
  text-decoration: none !important;
}

a.partner-cta.outline {
  background: transparent;
  border: 2px solid var(--pico-primary);
  color: var(--pico-primary) !important;
}

a.partner-cta:hover {
  filter: brightness(0.97);
  opacity: 0.95;
}

.partner-cta-box .fine-print {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  opacity: 0.85;
}

.compliance-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.85rem;
  padding: 0.65rem 0.9rem;
  background: var(--surface-dark);
  color: #f5f7fa;
  border-radius: var(--pico-border-radius);
  margin-bottom: 1.25rem;
}

.compliance-strip a {
  color: var(--cta-green);
}

.badge-18 {
  display: inline-block;
  font-weight: 700;
  background: #fff;
  color: var(--surface-dark);
  padding: 0.1rem 0.45rem;
  border-radius: 0.2rem;
  font-size: 0.8rem;
}

.guide-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .guide-grid {
    grid-template-columns: 1fr 1fr;
  }

  .guide-grid.three {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.guide-grid article {
  border: 1px solid #d5dee8;
  border-radius: var(--pico-border-radius);
  padding: 1rem 1.1rem;
  background: var(--pico-card-background-color);
}

.guide-grid article h3 {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.step-list {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.step-list > li {
  counter-increment: step;
  position: relative;
  padding: 0.85rem 0 0.85rem 3rem;
  border-bottom: 1px solid #e2e8f0;
}

.step-list > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--pico-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout {
  border-left: 4px solid var(--cta-green);
  background: var(--ok-soft);
  padding: 0.85rem 1rem;
  border-radius: 0 0.35rem 0.35rem 0;
  margin: 1.25rem 0;
}

.callout.warn {
  border-left-color: var(--warn-amber);
  background: #fff8e8;
}

.callout.danger {
  border-left-color: #c62828;
  background: var(--danger-soft);
}

.callout strong {
  display: block;
  margin-bottom: 0.25rem;
}

.figure-shot {
  margin: 1.25rem auto;
  border: 1px solid #d5dee8;
  border-radius: var(--pico-border-radius);
  overflow: hidden;
  background: #e8eef4;
  /* shrink-wrap image; never force full article width */
  width: fit-content;
  max-width: 100%;
}

.figure-shot img {
  display: block;
  width: auto;
  /* cap at container; do NOT set width:100% (upscales small PNGs → blur) */
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

/* Phone / tall UI captures — readable size, not edge-to-edge */
.figure-shot--phone {
  max-width: min(100%, 22rem);
}

/* Small cropped panels (login form etc.) */
.figure-shot--panel {
  max-width: min(100%, 26rem);
}

/* Wide product / footer / security strips — fill container but only downscale */
.figure-shot--wide {
  width: 100%;
  max-width: 100%;
}

.figure-shot--wide img {
  width: 100%;
  max-width: 100%;
  height: auto;
  /* wide assets are 3k+ px; scaling down stays sharp */
}

.figure-shot figcaption {
  font-size: 0.85rem;
  opacity: 0.85;
  padding: 0.55rem 0.85rem;
  border-top: 1px solid #d5dee8;
  background: #fff;
  text-align: left;
  max-width: 40rem;
}

.figure-shot--wide figcaption {
  max-width: none;
}

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  padding: 0.4rem 0 0.4rem 1.6rem;
  position: relative;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

.meta-line {
  font-size: 0.9rem;
  opacity: 0.85;
}

.snapshot-note {
  font-size: 0.85rem;
  opacity: 0.8;
  font-style: italic;
}

.bn-note {
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  background: #e3eef8;
  border-radius: var(--pico-border-radius);
  margin: 1rem 0;
}

/* Pico styles bare <nav> as a horizontal flex bar — reset for in-page TOC */
nav.toc {
  display: block;
  background: #fff;
  border: 1px solid #d5dee8;
  border-left: 4px solid var(--cta-green);
  border-radius: var(--pico-border-radius);
  padding: 1.1rem 1.25rem 1.15rem;
  margin: 1.75rem 0 2rem;
  box-shadow: 0 1px 2px rgba(11, 42, 74, 0.04);
}

nav.toc h2,
nav.toc #toc-title {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pico-primary);
  margin: 0 0 0.85rem;
  padding: 0 0 0.65rem;
  border-bottom: 1px solid #e2e8f0;
  line-height: 1.3;
}

/* Kill Pico's nav > ul/ol horizontal flex */
nav.toc ol,
nav.toc ul {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0;
  columns: unset;
  gap: unset;
  flex-direction: unset;
  align-items: unset;
  justify-content: unset;
  width: 100%;
}

nav.toc li {
  display: list-item;
  list-style: none;
  margin: 0;
  padding: 0;
  line-height: 1.45;
}

nav.toc li + li {
  margin-top: 0.15rem;
}

nav.toc a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.45rem 0.55rem;
  margin: 0 -0.55rem;
  border-radius: 0.3rem;
  text-decoration: none;
  color: var(--pico-primary);
  font-weight: 500;
  line-height: 1.4;
}

nav.toc a:hover {
  background: #eef4fa;
  text-decoration: none;
}

nav.toc a:focus-visible {
  outline: 2px solid var(--cta-green);
  outline-offset: 1px;
}

/* Number badges so items read as a clear vertical list */
nav.toc ol {
  counter-reset: toc-item;
}

nav.toc ol > li {
  counter-increment: toc-item;
}

nav.toc ol > li > a::before {
  content: counter(toc-item);
  flex: 0 0 1.5rem;
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e3eef8;
  color: var(--pico-primary);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  position: relative;
  top: 0.1rem;
}

@media (min-width: 640px) {
  nav.toc {
    padding: 1.2rem 1.4rem 1.25rem;
    max-width: 36rem;
  }

  nav.toc a {
    padding: 0.5rem 0.65rem;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.cta-row a[role="button"],
.cta-row a.button-like {
  --pico-background-color: var(--cta-green);
  --pico-border-color: var(--cta-green);
  --pico-color: #0b2a4a;
  background: var(--cta-green);
  border-color: var(--cta-green);
  color: #0b2a4a;
  font-weight: 700;
}

footer.site-footer {
  margin-top: 2.5rem;
  padding-bottom: 2rem;
}

footer.site-footer .rg {
  font-size: 0.85rem;
  opacity: 0.9;
}

.related-links {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .related-links {
    grid-template-columns: 1fr 1fr;
  }
}

/* Desktop: brand left, menu right (same row). Mobile: hamburger + full-width panel */
.site-header .header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  min-height: 3.25rem;
}

.site-header .header-bar > .brand-lockup,
.site-header .header-bar > .brand-line {
  flex: 0 1 auto;
  min-width: 0;
  order: 1;
}

.site-header .header-bar > .nav-toggle {
  order: 2;
  margin-left: auto;
}

.site-header .header-bar > nav.site-nav {
  order: 3;
}

/* Desktop single row: brand | flexible spacer nav right-aligned | (toggle hidden) */
@media (min-width: 900px) {
  .site-header .header-bar {
    flex-wrap: nowrap;
  }

  .site-header .header-bar > nav.site-nav {
    order: 2;
    flex: 1 1 auto;
    display: block !important;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
    border-top: none !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  .site-header .header-bar > .nav-toggle {
    display: none !important;
    order: 3;
  }

  nav.site-nav ul {
    justify-content: flex-end !important;
    flex-wrap: wrap !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100%;
    gap: 0.15rem 0.25rem !important;
  }
}

@media (max-width: 899px) {
  .site-header .header-bar > nav.site-nav {
    order: 3;
    flex: 1 0 100%;
    width: 100%;
  }

  /* full-bleed panel relative to header when open */
  nav.site-nav.is-open {
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(50% - 50vw) !important;
    margin-right: calc(50% - 50vw) !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}