/* Fixed nav sits slightly below the viewport top (safe area + breathing room); content uses --nav-bar-stack for clearance. */
:root {
  --nav-bar-offset-top: max(14px, env(safe-area-inset-top, 0px));
  --nav-bar-height: 68px;
  --nav-bar-stack: calc(var(--nav-bar-height) + var(--nav-bar-offset-top));
}

html {
  scroll-padding-top: var(--nav-bar-stack);
}

/* Main header only — do not treat footer <nav> as sticky chrome */
footer nav.footer-links {
  position: static !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  z-index: auto !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Language switcher + RTL helpers (Arabic) */
.lang-switcher {
  position: relative;
  flex-shrink: 0;
  z-index: 1;
}
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: var(--text, #fafafa);
  font-family: var(--font, system-ui, sans-serif);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 28px 7px 10px;
  cursor: pointer;
  line-height: 1.2;
  min-width: 7.25rem;
  max-width: 140px;
  transition: border-color 0.2s, color 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.lang-select:hover {
  border-color: var(--accent, #22d3ee);
  color: var(--text, #fafafa);
}
[data-theme="light"] .lang-select {
  background-color: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.14);
  color: var(--text, #0f172a);
}
[dir="rtl"] .lang-select {
  padding: 7px 10px 7px 28px;
  background-position: left 8px center;
}

[lang="ar"] body {
  font-family: 'Noto Sans Arabic', var(--font, 'Inter', system-ui), sans-serif;
}

/* RTL: nav underline origin */
[dir="rtl"] .nav-links a::after {
  transform-origin: right;
}

[dir="rtl"] .hero-minor-links .sep {
  display: inline-block;
}

[dir="rtl"] .btn-primary svg,
[dir="rtl"] .btn-ghost svg,
[dir="rtl"] .case-card .btn-ghost svg {
  transform: scaleX(-1);
}

[dir="rtl"] .reviews-header {
  flex-direction: row-reverse;
}
@media (max-width: 900px) {
  [dir="rtl"] .reviews-header {
    flex-direction: column;
  }
}

[dir="rtl"] .review-author {
  flex-direction: row-reverse;
}
[dir="rtl"] .review-author > div[style*="margin-left:auto"] {
  margin-left: 0 !important;
  margin-right: auto !important;
}

/* ─── Main nav: link rail scrolls in its own lane; lang + theme fixed on the bar (never scroll away) ─── */
nav#navbar {
  display: grid !important;
  grid-template-columns: max-content minmax(0, 1fr) !important;
  align-items: center !important;
  gap: clamp(8px, 1.5vw, 20px) !important;
  justify-content: unset !important;
  flex-wrap: unset !important;
  position: fixed !important;
  top: var(--nav-bar-offset-top) !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 100 !important;
  isolation: isolate;
}
nav#navbar > .nav-logo {
  grid-column: 1;
  justify-self: start;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
/* Reserve a right gutter so the horizontal link strip never scrolls under lang/theme */
nav#navbar > .nav-center {
  grid-column: 2;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-inline-end: clamp(170px, 19vw, 300px) !important;
  box-sizing: border-box;
}
nav#navbar > .nav-center > .nav-links {
  width: 100%;
  max-width: 100%;
  min-width: 0 !important;
  flex: unset !important;
  margin-inline: 0 !important;
  justify-content: center !important;
  flex-wrap: nowrap !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: none;
  scroll-padding-inline-end: 24px;
  position: relative;
  z-index: 0;
}
nav#navbar > .nav-center > .nav-links::-webkit-scrollbar {
  display: none;
  height: 0;
}
/* Pulled out of the scroll/grid flow — stays tappable when user interacts with the link scroller */
nav#navbar > .nav-right {
  position: absolute !important;
  inset-inline-end: max(16px, 6vw) !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  grid-column: unset !important;
  justify-self: end !important;
  margin: 0 !important;
  margin-inline-start: 0 !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center;
  gap: 10px;
  z-index: 300 !important;
  isolation: isolate;
  background: var(--nav-bg, rgba(9, 9, 11, 0.97)) !important;
  padding: 8px 12px !important;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 6px 28px rgba(0, 0, 0, 0.35),
    -8px 0 24px -6px var(--nav-bg, rgba(9, 9, 11, 0.95));
}
[data-theme="light"] nav#navbar > .nav-right {
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow:
    0 6px 28px rgba(15, 23, 42, 0.12),
    -8px 0 24px -6px var(--nav-bg, rgba(248, 250, 252, 0.97));
}
[dir="rtl"] nav#navbar > .nav-right {
  box-shadow:
    0 6px 28px rgba(0, 0, 0, 0.35),
    8px 0 24px -6px var(--nav-bg, rgba(9, 9, 11, 0.95));
}
[dir="rtl"][data-theme="light"] nav#navbar > .nav-right {
  box-shadow:
    0 6px 28px rgba(15, 23, 42, 0.12),
    8px 0 24px -6px var(--nav-bg, rgba(248, 250, 252, 0.97));
}
nav#navbar .theme-toggle {
  color: var(--text, #fafafa);
  border-color: rgba(255, 255, 255, 0.22);
  position: relative;
  z-index: 1;
}
[data-theme="light"] nav#navbar .theme-toggle {
  color: var(--text, #0f172a);
  border-color: rgba(0, 0, 0, 0.18);
}

@media (min-width: 1281px) and (max-width: 1500px) {
  nav#navbar > .nav-center > .nav-links {
    gap: 22px !important;
  }
}

/*
 * Laptop / tablet: NO horizontal scroll in the header — language + theme stay fixed and tappable.
 * Menu links open in a full-width panel (hamburger). Kills duplicate "ghost" link row + scroll fighting.
 */
@media (max-width: 1280px) {
  nav#navbar .hamburger {
    display: flex !important;
  }
  nav#navbar {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    grid-template-columns: none !important;
    gap: 12px !important;
  }
  nav#navbar > .nav-center {
    display: contents !important;
    padding-inline-end: 0 !important;
  }
  nav#navbar > .nav-logo,
  nav#navbar > .nav-right {
    grid-column: unset !important;
    justify-self: unset !important;
    width: auto !important;
    max-width: none !important;
  }
  nav#navbar > .nav-right {
    position: relative !important;
    inset-inline-end: auto !important;
    top: auto !important;
    transform: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding-inline: 0 !important;
    padding-block: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    z-index: 150 !important;
    gap: 8px !important;
  }
  nav#navbar > .nav-center > .nav-links {
    position: fixed !important;
    top: var(--nav-bar-stack) !important;
    left: 0 !important;
    right: 0 !important;
    width: auto !important;
    max-width: none !important;
    min-height: 0 !important;
    max-height: min(70vh, 520px) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 0 !important;
    padding: 16px 24px 20px !important;
    margin: 0 !important;
    background: rgba(9, 9, 11, 0.98) !important;
    border-bottom: 1px solid var(--border, #1f1f23) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4) !important;
    transform: translateY(-120%) !important;
    transition: transform 0.3s ease, visibility 0.3s !important;
    z-index: 99 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
  [data-theme="light"] nav#navbar > .nav-center > .nav-links {
    background: rgba(248, 250, 252, 0.98) !important;
  }
  nav#navbar > .nav-center > .nav-links.open {
    transform: translateY(0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
  nav#navbar > .nav-center > .nav-links li {
    width: 100% !important;
  }
  nav#navbar > .nav-center > .nav-links a {
    display: block !important;
    padding: 12px 0 !important;
    border-bottom: 1px solid var(--border, #1f1f23) !important;
    font-size: 15px !important;
    white-space: normal !important;
  }
  nav#navbar > .nav-center > .nav-links a::after {
    display: none !important;
  }
  nav#navbar > .nav-center > .nav-links li:last-child a {
    border-bottom: none !important;
  }
  .lang-select {
    min-width: 6rem;
    max-width: 124px;
    font-size: 11px;
    padding: 6px 24px 6px 8px;
  }
}

/* ─── Clear fixed nav stack (offset above bar + bar height) ─── */
.hero {
  padding-top: var(--nav-bar-stack) !important;
}
@media (max-width: 900px) {
  .hero {
    padding-top: calc(120px + var(--nav-bar-offset-top)) !important;
  }
}
.page-header {
  padding-top: calc(148px + var(--nav-bar-offset-top)) !important;
}
.case-index {
  top: var(--nav-bar-stack) !important;
}
.article-page > div:first-of-type {
  padding-top: calc(88px + var(--nav-bar-offset-top)) !important;
}

/* ─── First-visit language welcome (i18n.js) ─── */
body.i18n-welcome-open {
  overflow: hidden;
}
.i18n-welcome {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
}
.i18n-welcome__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
[data-theme="light"] .i18n-welcome__backdrop {
  background: rgba(15, 23, 42, 0.35);
}
.i18n-welcome__card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 28px 26px 24px;
  border-radius: 16px;
  border: 1px solid var(--border, #1f1f23);
  background: var(--surface, #111113);
  color: var(--text, #fafafa);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}
[data-theme="light"] .i18n-welcome__card {
  background: var(--surface, #ffffff);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}
.i18n-welcome__card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.i18n-welcome__card p {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-2, #a1a1aa);
}
.i18n-welcome__langs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 400px) {
  .i18n-welcome__langs {
    grid-template-columns: 1fr;
  }
}
.i18n-welcome__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border, #1f1f23);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text, #fafafa);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  font-family: inherit;
}
[data-theme="light"] .i18n-welcome__btn {
  background: rgba(0, 0, 0, 0.03);
  color: var(--text, #0f172a);
}
.i18n-welcome__btn:hover {
  border-color: var(--accent, #22d3ee);
  color: var(--accent, #22d3ee);
}
.i18n-welcome__btn--primary {
  grid-column: 1 / -1;
  background: var(--accent, #22d3ee);
  border-color: transparent;
  color: #020617;
}
.i18n-welcome__btn--primary:hover {
  filter: brightness(1.05);
  color: #020617;
}
.i18n-welcome__sub {
  margin-top: 14px;
  font-size: 12px;
  text-align: center;
  color: var(--text-3, #71717a);
}
.i18n-welcome__skip {
  background: none;
  border: none;
  color: var(--accent, #22d3ee);
  text-decoration: underline;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  padding: 4px;
}
.i18n-welcome__skip:hover {
  opacity: 0.85;
}