/* ========================================
   css/layout.css — Header, Footer, Nav, Grid System
   DevOps AI by RainTech
   FR-W02: Shared Page Template
   ======================================== */

@layer layout {

/* ============================================================
   SKIP LINK — Accessibility
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: calc(var(--z-header) + 10);
  padding: var(--space-3) var(--space-5);
  background: var(--accent);
  color: var(--blue-cetacean);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--space-4) 0;
  transition:
    padding var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out),
    backdrop-filter var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  padding: var(--space-2) 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass);
}

[data-theme="light"] .site-header.is-scrolled {
  background: rgba(247, 247, 255, 0.88);
  border-bottom-color: rgba(0, 22, 71, 0.10);
}

/* ---- Header Inner ---- */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ---- Logo ---- */
.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.header-logo__img {
  height: 36px;
  width: auto;
  transition: height var(--duration-normal) var(--ease-out);
}

.is-scrolled .header-logo__img {
  height: 28px;
}

.header-logo__wordmark {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-extrabold, 800);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  white-space: nowrap;
}

.header-logo__wordmark span {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Primary Nav ---- */
.nav-primary {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link,
.nav-link--dropdown {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background-color var(--duration-fast);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.nav-link:hover,
.nav-link--dropdown:hover,
.nav-link.is-active,
.nav-item:focus-within .nav-link--dropdown {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.nav-link.is-active {
  color: var(--accent);
}

/* Dropdown chevron */
.nav-link--dropdown .nav-chevron {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  transition: transform var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.nav-item:hover .nav-chevron,
.nav-item:focus-within .nav-chevron {
  transform: rotate(180deg);
}

/* ---- Mega Menu Base ---- */
.mega-menu {
  position: absolute;
  top: calc(100% + var(--space-3));
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--shadow-glass);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    visibility var(--duration-normal);
  z-index: var(--z-dropdown);
  min-width: 560px;
}

[data-theme="light"] .mega-menu {
  background: rgba(247, 247, 255, 0.97);
  border-color: rgba(0, 22, 71, 0.10);
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu--wide {
  min-width: 720px;
}

.mega-menu__inner {
  padding: var(--space-6);
  display: grid;
  gap: var(--space-6);
}

/* ---- Platform Mega Menu ---- */
.mega-menu--platform .mega-menu__inner {
  grid-template-columns: 1fr 1fr;
}

.mega-menu__section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.mega-menu__heading {
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.mega-menu__description {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.mega-menu__divider {
  height: 1px;
  background: var(--border-default);
  margin: var(--space-4) 0;
}

.mega-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mega-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background-color var(--duration-fast);
  text-decoration: none;
}

.mega-menu__link:hover {
  color: var(--accent);
  background: var(--bg-card-hover);
}

.mega-menu__link--more {
  color: var(--accent);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.mega-menu__link--more:hover {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

.mega-menu__link-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* Right column section items */
.mega-menu__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.mega-menu__group {
  display: flex;
  flex-direction: column;
}

/* ---- Solutions Mega Menu ---- */
.mega-menu--solutions .mega-menu__inner {
  grid-template-columns: repeat(4, 1fr);
  min-width: 760px;
}

/* ---- Resources Mega Menu ---- */
.mega-menu--resources .mega-menu__inner {
  grid-template-columns: repeat(4, 1fr);
}

/* ---- Header Actions (right side) ---- */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: background var(--duration-fast), color var(--duration-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  fill: none;
  stroke: currentColor;
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Login Button */
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  background: transparent;
  white-space: nowrap;
  transition:
    color var(--duration-fast),
    border-color var(--duration-fast),
    background-color var(--duration-fast);
  text-decoration: none;
}

.btn-login:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

/* Get Started CTA */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  color: var(--blue-cetacean);
  background: var(--gradient-hero);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  white-space: nowrap;
  text-decoration: none;
  transition:
    transform var(--duration-fast),
    box-shadow var(--duration-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(139, 219, 2, 0.35);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  flex-shrink: 0;
  transition: background var(--duration-fast);
}

.mobile-menu-toggle:hover {
  background: var(--bg-card-hover);
}

.mobile-menu-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--duration-fast);
}

.mobile-menu-toggle__bar::before,
.mobile-menu-toggle__bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out);
}

.mobile-menu-toggle__bar::before { transform: translateY(-7px); }
.mobile-menu-toggle__bar::after  { transform: translateY(7px); }

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar {
  background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar::before {
  transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar::after {
  transform: rotate(-45deg);
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  pointer-events: none;
}

.mobile-nav.is-open {
  pointer-events: auto;
}

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 6, 24, 0.75);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.mobile-nav.is-open .mobile-nav__overlay {
  opacity: 1;
}

.mobile-nav__drawer {
  position: absolute;
  top: 0;
  right: -100%;
  width: min(360px, 92vw);
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-default);
  overflow-y: auto;
  overflow-x: hidden;
  transition: right var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
}

[data-theme="light"] .mobile-nav__drawer {
  background: var(--bg-primary);
}

.mobile-nav.is-open .mobile-nav__drawer {
  right: 0;
}

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.mobile-nav__close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.mobile-nav__close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.mobile-nav__close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.mobile-nav__body {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  overflow-y: auto;
}

/* Mobile accordion */
.mobile-accordion__item {
  border-bottom: 1px solid var(--border-default);
}

.mobile-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  min-height: 44px;
}

.mobile-accordion__chevron {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.mobile-accordion__item.is-open .mobile-accordion__chevron {
  transform: rotate(180deg);
}

.mobile-accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.mobile-accordion__content {
  padding-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-accordion__section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-3) var(--space-1);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  min-height: 44px;
  transition: color var(--duration-fast), background-color var(--duration-fast);
  text-decoration: none;
}

.mobile-nav__link:hover {
  color: var(--accent);
  background: var(--bg-card-hover);
}

.mobile-nav__link--direct {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  padding: var(--space-4) 0;
  min-height: 44px;
  border-bottom: 1px solid var(--border-default);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.mobile-nav__link--direct:hover {
  color: var(--accent);
}

.mobile-nav__footer {
  padding: var(--space-5);
  border-top: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-shrink: 0;
}

.mobile-nav__footer .btn-login {
  justify-content: center;
  padding: var(--space-3) var(--space-4);
}

.mobile-nav__footer .nav-cta {
  justify-content: center;
  padding: var(--space-3) var(--space-4);
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

/* ---- Footer Brand Column ---- */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer-logo img {
  height: 32px;
  width: auto;
}

.footer-logo__wordmark {
  font-size: var(--text-base);
  font-weight: var(--font-weight-extrabold, 800);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.footer-logo__wordmark span {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-tagline {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--accent);
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 300px;
}

.footer-brand__address {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.7;
  font-style: normal;
}

.footer-brand__address a {
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.footer-brand__address a:hover {
  color: var(--accent);
}

/* ---- Footer Nav Columns ---- */
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  padding: var(--space-1) 0;
  transition: color var(--duration-fast);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
}

/* ---- Footer Trust Row ---- */
.footer-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  margin-bottom: var(--space-6);
}

.footer-trust a {
  font-size: var(--text-xs);
  color: var(--text-muted);
  transition: color var(--duration-fast);
  text-decoration: none;
  white-space: nowrap;
}

.footer-trust a:hover {
  color: var(--text-secondary);
}

.footer-trust__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: var(--space-2);
  white-space: nowrap;
}

.footer-trust__sep {
  color: var(--border-default);
  user-select: none;
}

/* ---- Footer Bottom Bar ---- */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color var(--duration-fast);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--accent);
}

.footer-bottom__badges {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Azure Marketplace badge */
.badge-azure {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast), color var(--duration-fast);
  text-decoration: none;
}

.badge-azure:hover {
  border-color: #0078d4;
  color: #0078d4;
}

.badge-azure svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Perplexity attribution */
.footer-perplexity {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.footer-perplexity:hover {
  color: var(--text-secondary);
}

/* ============================================================
   GRID SYSTEM EXTENSIONS
   ============================================================ */

/* Bento Grid */
.grid--bento {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(12, 1fr);
}

.bento-span-4  { grid-column: span 4; }
.bento-span-6  { grid-column: span 6; }
.bento-span-8  { grid-column: span 8; }
.bento-span-12 { grid-column: span 12; }

/* Auto-fill card grid */
.grid--cards {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
}

.grid--cards-sm {
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
}

.grid--cards-lg {
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
}

/* 15-zone grid */
.grid--zones {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(5, 1fr);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.breadcrumb__link:hover {
  color: var(--accent);
}

.breadcrumb__sep {
  color: var(--border-default);
  user-select: none;
  font-size: 0.75em;
}

.breadcrumb__current {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   PAGE BODY OFFSET (compensate for fixed header)
   ============================================================ */
.page-offset {
  padding-top: 80px;
}

/* ============================================================
   MAIN LANDMARK
   ============================================================ */
#main-content {
  outline: none;
}

/* ============================================================
   RESPONSIVE — 1280px
   ============================================================ */
@media (max-width: 1280px) {
  .mega-menu--solutions .mega-menu__inner,
  .mega-menu--resources .mega-menu__inner {
    min-width: 640px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr repeat(4, 1fr);
  }
}

/* ============================================================
   RESPONSIVE — 1024px (tablet breakpoint)
   ============================================================ */
@media (max-width: 1024px) {
  /* Hide desktop nav, show hamburger */
  .nav-primary  { display: none; }
  .btn-login    { display: none; }
  .nav-cta      { display: none; }

  .mobile-menu-toggle { display: flex; }
  .mobile-nav         { display: block; }

  /* Footer: 2 columns on tablet */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8) var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer-brand__desc,
  .footer-brand__address {
    max-width: 280px;
  }

  /* Bento: 6 cols */
  .grid--bento {
    grid-template-columns: repeat(6, 1fr);
  }

  .bento-span-4  { grid-column: span 6; }
  .bento-span-8  { grid-column: span 6; }

  /* Zone grid: 3 cols */
  .grid--zones {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer-trust {
    gap: var(--space-2) var(--space-4);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .grid--zones {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-span-4,
  .bento-span-6,
  .bento-span-8 {
    grid-column: span 6;
  }
}

/* ============================================================
   RESPONSIVE — 640px
   ============================================================ */
@media (max-width: 640px) {
  .site-header {
    padding: var(--space-3) 0;
  }

  .header-logo__wordmark {
    font-size: var(--text-base);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .grid--bento {
    grid-template-columns: 1fr;
  }

  .bento-span-4,
  .bento-span-6,
  .bento-span-8,
  .bento-span-12 {
    grid-column: span 1;
  }

  .grid--zones {
    grid-template-columns: repeat(2, 1fr);
  }

  .breadcrumb {
    font-size: 0.7rem;
  }
}

} /* end @layer layout */