/* ASHU base – reset, typography, forms, buttons, alerts, utilities.
   Logical properties only (margin-inline, inset-inline …) so one stylesheet
   serves LTR and RTL. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; font-family: var(--font); font-size: var(--fs-base); line-height: var(--lh-body); color: var(--color-text);
  background: var(--color-bg); text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { max-inline-size: 100%; block-size: auto; display: block; }
h1, h2, h3, h4 { color: var(--color-navy); line-height: var(--lh-heading); margin-block: 0 .5em; font-weight: var(--fw-bold); letter-spacing: var(--tracking-tight); }
h1 { font-size: var(--fs-xl); font-weight: var(--fw-heavy); }
h2 { font-size: var(--fs-lg); }
h3, .h3 { font-size: var(--fs-md); }
:lang(ar) h1, :lang(ar) h2, :lang(ar) h3 { line-height: 1.4; font-weight: var(--fw-bold); }
p { margin-block: 0 1em; }
a { color: var(--color-primary-strong); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-navy); }
:where(ul[role=list], ol[role=list]) { list-style: none; margin: 0; padding: 0; }   /* zero specificity: component classes may add spacing */
code { font-size: .9em; background: var(--color-surface-2); padding: .1em .35em; border-radius: var(--radius-xs); }
button { font: inherit; }
.muted { color: var(--color-text-muted); }
.sr-only { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
.icon { inline-size: 22px; block-size: 22px; flex: none; }
.icon-sm { inline-size: 18px; block-size: 18px; }
[dir=rtl] .icon-dir { transform: scaleX(-1); }      /* arrows / chevrons that imply direction */
.ltr { direction: ltr; unicode-bidi: isolate; }       /* phone numbers, SKUs inside RTL text */

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-xs); }
.skip-link { position: absolute; inset-inline-start: 12px; inset-block-start: -80px; z-index: 200; background: var(--color-navy); color: #fff;
  padding: 10px 16px; border-radius: var(--radius-sm); transition: inset-block-start var(--dur); }
.skip-link:focus { inset-block-start: 12px; color: #fff; }

.container { inline-size: 100%; max-inline-size: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: clamp(20px, 3vw, 32px); }
.grid-2 { display: grid; gap: 0 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* forms */
.form { display: grid; gap: var(--space-1); }
.field { display: grid; gap: 6px; margin-block-end: 14px; align-content: start; }
.field label { font-weight: var(--fw-semibold); font-size: .95rem; color: var(--color-text); }
.field small { font-size: var(--fs-sm); }
input:not([type=checkbox]):not([type=radio]):not([type=hidden]), select, textarea {
  font: inherit; color: var(--color-text); background: var(--color-surface); inline-size: 100%;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); padding: 11px 14px; min-block-size: 48px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
textarea { min-block-size: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--color-primary); box-shadow: var(--ring); outline: none; }
input[type=file] { padding: 9px; background: var(--color-surface-2); }
.field--check { display: flex; align-items: center; gap: 10px; }
.field--check input { inline-size: 20px; block-size: 20px; accent-color: var(--color-primary-strong); }
.field--check label { font-weight: var(--fw-medium); }

/* buttons */
.btn { --btn-bg: var(--color-navy); --btn-fg: #fff; --btn-bd: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; font: inherit; font-weight: var(--fw-bold); font-size: .98rem;
  min-block-size: 48px; padding: 10px 24px; border-radius: var(--radius-pill); border: 1.5px solid var(--btn-bd);
  background: var(--btn-bg); color: var(--btn-fg); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast); }
.btn:hover { color: var(--btn-fg); box-shadow: var(--shadow); transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-primary { --btn-bg: var(--color-navy); }
.btn-primary:hover { --btn-bg: var(--color-navy-700); }
.btn-aqua { --btn-bg: var(--color-primary-strong); }
.btn-aqua:hover { --btn-bg: #006a8c; }
.btn-outline { --btn-bg: transparent; --btn-fg: var(--color-navy); --btn-bd: var(--color-border-strong); }
.btn-outline:hover { --btn-bd: var(--color-navy); --btn-bg: var(--color-surface); }
.btn-light { --btn-bg: #fff; --btn-fg: var(--color-navy); }
.btn-whatsapp { --btn-bg: var(--color-secondary-strong); }
.btn-whatsapp:hover { --btn-bg: #186426; }
.btn-ghost { --btn-bg: transparent; --btn-fg: var(--color-text-muted); }
.btn-ghost:hover { --btn-fg: var(--color-navy); box-shadow: none; background: var(--color-surface-2); }
.btn-sm { min-block-size: 40px; padding: 6px 16px; font-size: var(--fs-sm); }
.btn-block { inline-size: 100%; }
.btn .icon { inline-size: 18px; block-size: 18px; }

/* alerts & pills */
.alert { border-radius: var(--radius-sm); padding: 12px 16px; margin-block: 0 16px; border: 1px solid transparent; font-weight: var(--fw-medium); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: #c7e7bd; }
.alert-error   { background: var(--color-error-bg); color: var(--color-error); border-color: #f5c2c2; }
.alert-info    { background: var(--color-primary-tint); color: var(--color-navy); border-color: var(--color-primary-tint-2); }
.pill { display: inline-block; font-size: .8rem; font-weight: var(--fw-bold); padding: 2px 10px; border-radius: var(--radius-pill); }
.pill-ok { background: var(--color-success-bg); color: var(--color-success); }
.pill-muted { background: var(--color-surface-2); color: var(--color-text-muted); }
.pill-warn { background: var(--color-warning-bg); color: var(--color-warning); }

/* error page */
.error-page { text-align: center; padding-block: 64px; }
.error-page__code { font-size: 4rem; font-weight: var(--fw-heavy); color: var(--color-primary-strong); margin: 0; line-height: 1; }
.error-page__title { font-size: 1.3rem; max-inline-size: 36ch; margin-inline: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
.pill-info { background: var(--color-primary-tint); color: var(--color-navy); }
.pill-danger { background: var(--color-error-bg); color: var(--color-error); }