:root {
  color-scheme: light dark;
  --bg: #f3f5fc;
  --surface: #fff;
  --surface-2: #eceffb;
  --ink: #12142e;
  --muted: #4d557a;
  --line: #d3d8ee;
  --brand: #4736f5;
  --brand-ink: #fff;
  --brand-deep: #2f22c4;
  --aqua: #0f8f78;
  --aqua-soft: #d9f5ee;
  --danger: #b3261e;
  --danger-soft: #fdeceb;
  --note-soft: #eef0ff;
  --hero-a: #14113f;
  --hero-b: #2b1fa3;
  --focus: #0b63ce;
  --shadow: 0 20px 50px rgba(20, 17, 63, 0.16);
  --radius: 20px;
  font-family: "Avenir Next", "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Noto Sans", "Noto Naskh Arabic UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0c1d;
    --surface: #131632;
    --surface-2: #1b1f44;
    --ink: #edf0ff;
    --muted: #a7aed4;
    --line: #2b3062;
    --brand: #8c80ff;
    --brand-ink: #0a0c1d;
    --brand-deep: #b0a8ff;
    --aqua: #3fe0c0;
    --aqua-soft: #10352f;
    --danger: #ff9f97;
    --danger-soft: #3a1620;
    --note-soft: #1a1e46;
    --hero-a: #0d0b2e;
    --hero-b: #1c1580;
    --focus: #7cb8ff;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  min-width: 280px;
  overflow-wrap: anywhere;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

img, video { display: block; max-width: 100%; }
a { color: var(--brand-deep); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
button, input, summary { font: inherit; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: fixed;
  z-index: 100;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  transform: translateY(-200%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
}
.skip-link:focus { transform: none; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.i {
  width: 1.3em;
  height: 1.3em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shell { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }

/* Header: sits on the dark hero band on the home page, plain on inner pages. */
.site-header { position: relative; z-index: 20; background: var(--hero-a); color: #fff; }
.header-inner { display: flex; min-height: 68px; align-items: center; justify-content: space-between; gap: 12px; }
.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: 1.2rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  text-decoration: none;
}
.brand img { border-radius: 12px; }
.brand-small { min-height: 40px; font-size: 1.05rem; color: var(--ink); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a, .language-menu summary {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  color: inherit;
  font-weight: 650;
  font-size: 0.95rem;
  text-decoration: none;
}
.main-nav > a:hover, .main-nav > a[aria-current="page"], .language-menu summary:hover { background: rgba(255, 255, 255, 0.14); }
.site-header :focus-visible { outline-color: #9fd0ff; }
.language-menu { position: relative; }
.language-menu summary { cursor: pointer; list-style: none; border: 1px solid rgba(255, 255, 255, 0.3); }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu ul {
  position: absolute;
  inset-inline-end: 0;
  z-index: 30;
  width: max-content;
  min-width: 176px;
  max-height: min(70vh, 420px);
  overflow-y: auto;
  margin: 8px 0 0;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  list-style: none;
}
.language-menu a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--ink);
  text-decoration: none;
}
.language-menu a:hover, .language-menu a[aria-current="page"] { background: var(--surface-2); font-weight: 700; }
.language-menu :focus-visible { outline-color: var(--focus); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.03em; text-wrap: balance; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { letter-spacing: 0; line-height: 1.35; }
h2 { font-size: clamp(1.5rem, 4.2vw, 2.1rem); }
h3 { font-size: 1.1rem; }

.eyebrow { margin: 0 0 12px; color: var(--aqua); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; }
[dir="rtl"] .eyebrow { letter-spacing: 0; }

/* Home hero */
.hero { position: relative; overflow: hidden; padding: 30px 0 96px; background: radial-gradient(circle at 85% 60%, rgba(31, 211, 176, 0.18), transparent 42%), linear-gradient(160deg, var(--hero-a) 30%, var(--hero-b)); color: #fff; }
.hero-grid { display: grid; gap: 20px; align-items: center; }
.hero h1 { max-width: 16ch; margin-bottom: 16px; font-size: clamp(2.1rem, 8.4vw, 4rem); }
[dir="rtl"] .hero h1 { max-width: 20ch; }
.hero-intro { max-width: 56ch; margin-bottom: 20px; color: #d8dbff; font-size: 1.08rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { padding: 5px 13px; border: 1px solid rgba(255, 255, 255, 0.28); border-radius: 999px; background: rgba(255, 255, 255, 0.08); font-size: 0.86rem; font-weight: 650; }
.hero .eyebrow { color: #3fe0c0; }
.hero-art { display: none; }

.tool-wrap { position: relative; z-index: 2; margin-top: -68px; }

/* Content */
.content-shell { padding-block: 26px 40px; }
.page-shell { padding-block: 28px 44px; }
.content-section { margin-top: 52px; }
.section-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; }
.section-kicker { display: grid; min-width: 40px; height: 26px; padding-inline: 10px; place-items: center; border-radius: 0 0 12px 12px; background: var(--brand); color: var(--brand-ink); font-size: 0.78rem; font-weight: 850; align-self: flex-start; }
.prose { max-width: 72ch; }
.prose p { color: var(--muted); font-size: 1.04rem; }
.steps { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.steps li > span { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 15px; background: var(--brand); color: var(--brand-ink); font-size: 1.2rem; font-weight: 850; }
.steps h3, .feature-grid h3, .link-grid h3, .device-grid h3 { margin-bottom: 4px; }
.steps p, .feature-grid p, .link-grid p { margin: 0; color: var(--muted); }
.feature-grid, .link-grid, .device-grid { display: grid; gap: 14px; }
.feature-grid article, .link-grid article, .device-grid article { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.feature-mark { display: grid; width: 44px; height: 44px; margin-bottom: 12px; place-items: center; border-radius: 14px; background: var(--aqua-soft); color: var(--aqua); }
.feature-mark.is-no { background: var(--danger-soft); color: var(--danger); }
.url-sample { display: block; margin-top: 10px; padding: 8px 10px; border-radius: 10px; background: var(--surface-2); color: var(--ink); font: 0.82rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; direction: ltr; text-align: left; overflow-wrap: anywhere; }
.device-grid ol { margin: 10px 0 0; padding-inline-start: 22px; color: var(--muted); }
.device-grid li + li { margin-top: 6px; }
.device-head { display: flex; align-items: center; gap: 10px; }
.device-head .i { padding: 8px; box-sizing: content-box; border-radius: 12px; background: var(--surface-2); color: var(--brand-deep); }
.notice { padding: 20px 22px; border: 1px solid var(--line); border-inline-start: 6px solid var(--brand); border-radius: var(--radius); background: var(--note-soft); }
.notice p { margin: 0; }

.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.faq-list summary { display: flex; min-height: 56px; cursor: pointer; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { flex: none; color: var(--brand-deep); content: "+"; font-size: 1.5rem; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 18px 18px; color: var(--muted); }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; color: var(--muted); font-size: 0.9rem; }
.page-head { max-width: 780px; margin-bottom: 8px; }
.page-head h1 { margin-bottom: 14px; font-size: clamp(2rem, 6.4vw, 3.2rem); }
.page-head p:last-child { color: var(--muted); font-size: 1.1rem; }
.contact-card { margin-top: 26px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.contact-card p { margin-bottom: 14px; color: var(--muted); }

.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; border: 2px solid transparent; border-radius: 999px; padding: 9px 20px; cursor: pointer; font-weight: 780; text-decoration: none; }
.button:disabled { cursor: progress; opacity: 0.6; }
.button-primary { background: var(--brand); color: var(--brand-ink); }
.button-primary:hover:not(:disabled) { background: var(--brand-deep); color: var(--brand-ink); }
@media (prefers-color-scheme: dark) { .button-primary:hover:not(:disabled) { background: #a99fff; } }
.button-secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.button-secondary:hover { background: var(--surface-2); }

.site-footer { padding: 34px 0 26px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-grid { display: grid; gap: 22px; }
.footer-grid p { max-width: 62ch; margin: 6px 0 0; color: var(--muted); font-size: 0.92rem; }
.footer-grid nav { display: flex; flex-wrap: wrap; gap: 4px 18px; align-content: flex-start; }
.footer-grid nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--ink); font-weight: 650; }
.ga-wrap { margin-top: 18px; }
.ga-consent-details { max-width: none; background: var(--surface-2); text-align: start; }
.ga-consent-details summary, .ga-consent-body, .ga-consent-body p, .ga-status-line { text-align: start; }
.ga-consent-details summary { display: flex; min-height: 44px; align-items: center; }
.ga-actions { justify-content: flex-start; }
.ga-consent-widget button { min-height: 44px; padding-inline: 16px; border-radius: 999px; }
.copyright { margin: 18px auto 0; color: var(--muted); font-size: 0.85rem; }

@media (min-width: 720px) {
  .feature-grid, .link-grid, .device-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr; }
  .footer-grid nav { justify-content: flex-end; }
  .hero { padding-bottom: 110px; }
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
  .hero-art { display: block; }
  .hero-art img { width: 100%; max-width: 420px; margin-inline: auto; }
}