/* ================================ */
/* Reset & base                     */
/* ================================ */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: var(--lh-base);
    color: var(--color-text);
    background: var(--color-bg);
    direction: rtl;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Push content below the fixed header */
.site-content { padding-block-start: var(--header-h-default); }
@media (min-width: 1024px) {
    .site-content { padding-block-start: var(--header-h-default); }
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin-block: 0 var(--space-4);
    font-weight: var(--fw-semibold);
    line-height: var(--lh-tight);
    color: var(--color-heading);
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin-block: 0 var(--space-4); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover, a:focus-visible { color: var(--color-primary-dark); }

img, svg, video {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol { padding-inline-start: 1.25em; margin-block: 0 var(--space-4); }
ul.no-bullets, ol.no-bullets { list-style: none; padding: 0; }

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
    background: transparent;
    border: 0;
    padding: 0;
}

input, textarea, select {
    font: inherit;
    color: inherit;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* Accessibility helpers */
.screen-reader-text {
    position: absolute !important;
    clip: rect(1px, 1px, 1px, 1px);
    width: 1px; height: 1px;
    overflow: hidden;
    word-wrap: normal !important;
    border: 0; padding: 0; margin: -1px;
}
.skip-link {
    position: absolute;
    inset-block-start: -100px;
    inset-inline-start: 1rem;
    background: var(--color-primary);
    color: #fff;
    padding: var(--space-3) var(--space-4);
    z-index: var(--z-modal);
    transition: inset-block-start var(--transition);
}
.skip-link:focus { inset-block-start: 1rem; color: #fff; }

/* Focus state — visible ring for keyboard users */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reusable buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: var(--fw-medium);
    font-size: var(--fs-base);
    line-height: 1;
    border-radius: 0;
    border: 0;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), transform var(--transition-fast);
    text-decoration: none;
}
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }

.btn--primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}
.btn--primary:hover { background: var(--color-primary-dark); color: var(--color-text-inverse); }

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary); color: var(--color-text-inverse); }

.btn__icon { font-size: 1.2em; line-height: 1; }

/* Section spacing */
.section { padding-block: var(--space-12); }
@media (min-width: 768px) { .section { padding-block: var(--space-16); } }
@media (min-width: 1024px) { .section { padding-block: var(--space-20); } }

/* Breadcrumb */
.breadcrumb {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    margin-block: var(--space-4) var(--space-6);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}