/* ==========================================================================
   Alpa Clean — components.css
   Header, navegación, botones, footer, formularios, tarjetas de producto
   ========================================================================== */

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(246, 249, 251, 0.72);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: transform var(--dur-med) var(--ease-premium),
              background var(--dur-med) var(--ease-premium),
              border-color var(--dur-med) var(--ease-premium),
              box-shadow var(--dur-med) var(--ease-premium);
}

.site-header.is-scrolled {
  background: rgba(246, 249, 251, 0.92);
  border-color: var(--color-line);
  box-shadow: 0 12px 30px -20px rgba(1, 58, 87, 0.35);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.brand img {
  height: 40px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.main-nav__list a {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ink-soft);
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease-premium);
}

.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--dur-med) var(--ease-premium);
}

.main-nav__list a:hover,
.main-nav__list a:focus-visible,
.main-nav__list a[aria-current="page"] {
  color: var(--color-ink);
}

.main-nav__list a:hover::after,
.main-nav__list a:focus-visible::after,
.main-nav__list a[aria-current="page"]::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-actions .btn { flex-shrink: 0; }

/* ---------- Cart toggle ---------- */
.cart-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease-premium);
}

.cart-toggle:hover { background: var(--color-bg-alt); }

.cart-toggle svg { width: 22px; height: 22px; color: var(--color-ink); }

.cart-toggle__badge {
  position: absolute;
  top: 2px; right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--dur-fast) var(--ease-premium),
              opacity var(--dur-fast) var(--ease-premium);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--color-ink);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.75rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.01em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  white-space: nowrap;
  min-height: 48px;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-premium),
              box-shadow var(--dur-fast) var(--ease-premium),
              background var(--dur-fast) var(--ease-premium);
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 26px -14px rgba(1, 58, 87, 0.45); }
.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  background: var(--btn-bg);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  border: 1.5px solid var(--color-line);
}
.btn--ghost:hover { border-color: var(--color-primary-dark); background: var(--color-surface); }

.btn--light {
  --btn-bg: #fff;
  --btn-fg: var(--color-primary-dark);
}

.btn--sm {
  padding: 0.65rem 1.25rem;
  min-height: 40px;
  font-size: var(--fs-micro);
}

.btn--block { width: 100%; }

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Mobile nav drawer ---------- */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 90;
  background: var(--color-bg);
  padding: var(--space-lg) var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease-premium);
  overflow-y: auto;
}

.mobile-nav.is-open { transform: translateX(0); }

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav__list a {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  display: block;
  padding-block: 0.3rem;
}

/* ---------- Cart drawer ---------- */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(11, 20, 32, 0.45);
  backdrop-filter: blur(2px);
}

.cart-drawer {
  position: fixed;
  top: 0; right: 0;
  bottom: 0;
  z-index: 96;
  width: min(420px, 100%);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease-premium);
  box-shadow: -30px 0 60px -30px rgba(1, 58, 87, 0.4);
}

.cart-drawer.is-open { transform: translateX(0); }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

.cart-drawer__header h2 { font-size: 1.2rem; }

.cart-drawer__close {
  width: 36px; height: 36px;
  font-size: 1.5rem;
  line-height: 1;
  border-radius: var(--radius-sm);
}
.cart-drawer__close:hover { background: var(--color-bg-alt); }

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

.cart-drawer__list { display: flex; flex-direction: column; gap: var(--space-sm); }

.cart-drawer__empty {
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  text-align: center;
  padding-block: var(--space-lg);
}

.cart-line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-line);
}

.cart-line__info strong { display: block; font-size: var(--fs-small); }
.cart-line__variant { font-size: var(--fs-micro); color: var(--color-ink-soft); }

.cart-line__controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  flex-shrink: 0;
}

.cart-line__remove {
  font-size: var(--fs-micro);
  color: var(--color-error);
  font-weight: 600;
}

.cart-drawer__footer {
  padding: var(--space-md);
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.cart-drawer__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2xs);
}

.cart-drawer__summary strong { font-family: var(--font-display); font-size: 1.1rem; color: var(--color-ink); }

/* ---------- Quantity stepper ---------- */
.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--color-line);
  border-radius: 999px;
  overflow: hidden;
}

.qty-stepper__btn {
  width: 34px; height: 34px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  transition: background var(--dur-fast) var(--ease-premium);
}
.qty-stepper__btn:hover { background: var(--color-bg-alt); }

.qty-stepper__input {
  width: 40px;
  text-align: center;
  font-weight: 700;
  border: none;
  background: transparent;
  -moz-appearance: textfield;
}
.qty-stepper__input::-webkit-outer-spin-button,
.qty-stepper__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.qty-stepper--sm .qty-stepper__btn { width: 26px; height: 26px; font-size: 0.9rem; }
.qty-stepper__value { width: 24px; text-align: center; font-weight: 700; font-size: var(--fs-small); }

/* ---------- Section header ---------- */
.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-lg);
}

.section-head--center { margin-inline: auto; text-align: center; }

/* ---------- Brand strip (marcas representadas) ---------- */
.brand-strip {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: var(--fs-micro);
  color: var(--color-ink-soft);
}

.brand-strip strong {
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
  font-size: var(--fs-micro);
}

.brand-strip__list {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.brand-strip__list span {
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ---------- Sector tag ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-ink-soft);
}

/* ---------- Product card ---------- */
.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-med) var(--ease-premium),
              box-shadow var(--dur-med) var(--ease-premium),
              border-color var(--dur-med) var(--ease-premium);
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 32px -22px rgba(1, 58, 87, 0.32);
  border-color: var(--color-primary);
}

.product-card__media {
  aspect-ratio: 4 / 3.4;
  background: linear-gradient(160deg, #FFFFFF 0%, var(--color-tint) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs);
  position: relative;
}

.product-card__media img {
  max-height: 100%;
  width: auto;
  transition: transform var(--dur-med) var(--ease-premium);
}

.product-card:hover .product-card__media img { transform: scale(1.06); }

.product-card__brand {
  position: absolute;
  top: 14px; left: 14px;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: rgba(255,255,255,0.85);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.product-card__body {
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.product-card__body h3 {
  font-size: 1.1rem;
  font-family: inherit;
  font-weight: 700;
}

.product-card__title-link {
  color: var(--color-ink);
  transition: color var(--dur-fast) var(--ease-premium);
}
.product-card__title-link:hover { color: var(--color-primary-dark); }

.product-card__spec {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  flex: 1;
}

.product-card__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  transition: transform var(--dur-fast) var(--ease-premium), box-shadow var(--dur-fast) var(--ease-premium);
}

.product-card__cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -14px rgba(1, 58, 87, 0.45);
}

.product-card__cta svg {
  width: 16px; height: 16px;
  transition: transform var(--dur-fast) var(--ease-premium);
}
.product-card__cta:hover svg { transform: translateX(4px); }

.product-card__quick-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1.5px solid var(--color-line);
  color: var(--color-primary-dark);
  transition: border-color var(--dur-fast) var(--ease-premium), background var(--dur-fast) var(--ease-premium);
}
.product-card__quick-add:hover { border-color: var(--color-primary); background: var(--color-tint); }
.product-card__quick-add svg { width: 20px; height: 20px; }

/* ---------- Precio y badges de producto ---------- */
.price-block {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.price-block__current {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 1.1rem;
}

.price-block__old {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  text-decoration: line-through;
}

.price-block__unit {
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--color-ink-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.badge--promo { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); }
.badge--combo { background: var(--color-accent); }
.badge--liquidacion { background: var(--color-error); }

.product-card__media .badge {
  position: absolute;
  top: 14px; right: 14px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { margin-bottom: var(--space-md); }

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
}

.breadcrumb li { display: flex; align-items: center; gap: 0.4rem; }

.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--color-line);
}

.breadcrumb a:hover { color: var(--color-primary-dark); }

.breadcrumb li[aria-current="page"] {
  color: var(--color-ink);
  font-weight: 600;
}

.variant-input {
  width: 100%;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  font-size: var(--fs-small);
  background: var(--color-bg);
  transition: border-color var(--dur-fast) var(--ease-premium);
}
.variant-input:focus { border-color: var(--color-primary); outline: none; }

.add-to-cart-btn { position: relative; }

.add-to-cart-feedback {
  font-size: var(--fs-micro);
  font-weight: 700;
  color: var(--color-success);
  text-align: center;
  height: 1em;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-premium);
}
.add-to-cart-feedback.is-visible { opacity: 1; }

/* ---------- Ledger / advantages list ---------- */
.ledger {
  border-top: 1px solid var(--color-line);
}

.ledger__item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-sm);
  margin-inline: calc(var(--space-sm) * -1);
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease-premium);
}

.ledger__item:hover { background: var(--color-tint); }

.ledger__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-tint);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.ledger__item:hover .ledger__num {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.ledger__item h3 { margin-bottom: 0.4rem; }

/* ---------- Form ---------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: var(--space-sm);
}

.form-field label {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-ink);
}

.form-field .hint {
  font-size: var(--fs-micro);
  color: var(--color-ink-soft);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  background: var(--color-surface);
  transition: border-color var(--dur-fast) var(--ease-premium),
              box-shadow var(--dur-fast) var(--ease-premium);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(46, 163, 242, 0.15);
  outline: none;
}

.form-field textarea { resize: vertical; min-height: 120px; }

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--color-error);
}

.form-field__error {
  font-size: var(--fs-micro);
  color: var(--color-error);
  display: none;
  font-weight: 600;
}

.form-field.has-error .form-field__error { display: block; }

.form-status {
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: none;
  margin-bottom: var(--space-sm);
}

.form-status.is-success {
  display: block;
  background: rgba(46, 158, 107, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(46, 158, 107, 0.35);
}

.form-status.is-error {
  display: block;
  background: rgba(210, 69, 69, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(210, 69, 69, 0.3);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-deep);
  color: #C9D9E2;
  padding-block: var(--space-xl) var(--space-md);
}

.site-footer a { transition: color var(--dur-fast) var(--ease-premium); }
.site-footer a:hover { color: #fff; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-grid h4 {
  color: #fff;
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-grid ul { display: flex; flex-direction: column; gap: 0.65rem; font-size: var(--fs-small); }

.footer-brand img { height: 36px; margin-bottom: var(--space-sm); filter: brightness(0) invert(1); }

.footer-brand p { font-size: var(--fs-small); color: #9FAEB8; max-width: 30ch; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  font-size: var(--fs-micro);
  color: #8195A1;
  flex-wrap: wrap;
}

.footer-bottom a { font-weight: 700; color: #C9D4DC; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed;
  right: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 80;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 32px -14px rgba(1, 58, 87, 0.55);
  transition: transform var(--dur-fast) var(--ease-premium);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- Ripple decorativo (motivo de marca: onda de agua) ---------- */
.page-hero,
.hero {
  position: relative;
  overflow: hidden;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.ripple {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.ripple span {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(46, 163, 242, 0.35);
  animation: rippleGrow 4.8s var(--ease-premium) infinite;
}

.ripple span:nth-child(1) { width: 40%; height: 40%; animation-delay: 0s; }
.ripple span:nth-child(2) { width: 40%; height: 40%; animation-delay: 1.2s; }
.ripple span:nth-child(3) { width: 40%; height: 40%; animation-delay: 2.4s; }
.ripple span:nth-child(4) { width: 40%; height: 40%; animation-delay: 3.6s; }

@keyframes rippleGrow {
  0% { width: 30%; height: 30%; opacity: 0; }
  15% { opacity: 0.9; }
  100% { width: 105%; height: 105%; opacity: 0; }
}

.ripple--corner { justify-content: flex-end; align-items: flex-start; }
.ripple--corner span { border-color: rgba(46, 163, 242, 0.2); }

@media (prefers-reduced-motion: reduce) {
  .ripple span { animation: none; opacity: 0.18; }
}

/* ---------- Divisor de onda (transición fluida entre secciones) ---------- */
.wave-divider {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 56px;
  overflow: hidden;
  pointer-events: none;
  line-height: 0;
  z-index: 1;
}

.wave-divider svg {
  position: absolute;
  bottom: 0; left: 0;
  width: 200%;
  height: 100%;
  animation: waveDrift 26s linear infinite;
}

.wave-divider--slow svg { animation-duration: 40s; }

@keyframes waveDrift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .wave-divider svg { animation: none; }
}

/* ---------- Responsive: tablets & mobile ---------- */
@media (max-width: 992px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .header-actions .btn--primary.btn--sm { display: none; }
  .brand img { height: 32px; }
}

@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .ledger__item { grid-template-columns: 2.75rem 1fr; }
  .ledger__num { width: 2.75rem; height: 2.75rem; font-size: 1rem; }
}