/* =========================================================================
   Split Screen — site styles
   Mobile-first, no framework, ~400 lines.
   Brand palette mirrors the Android app: indigo #6750A4 + mint #2DB77A.
   ========================================================================= */

:root {
  --indigo-50:  #F5F2FF;
  --indigo-100: #E8DEF8;
  --indigo-200: #CFBCFF;
  --indigo-500: #6750A4;
  --indigo-700: #4A3A82;
  --indigo-900: #211F36;
  --mint-200:   #A9EFD1;
  --mint-500:   #2DB77A;
  --sand-50:    #FBF8F4;
  --ink-100:    #F3F3F5;
  --ink-300:    #D9D9DE;
  --ink-500:    #6A6A74;
  --ink-700:    #2E2E35;
  --ink-900:    #1B1B1F;
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --shadow-sm:  0 2px 6px rgba(33, 31, 54, 0.06);
  --shadow-md:  0 8px 24px rgba(33, 31, 54, 0.10);
  --shadow-lg:  0 24px 60px rgba(33, 31, 54, 0.16);
  --max-w:      1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", "Noto Sans Arabic", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-900);
  background: var(--sand-50);
  -webkit-font-smoothing: antialiased;
}

/* RTL support — toggled by JS via [data-lang="ar"] on <html> */
html[data-lang="ar"] body { direction: rtl; }
html[data-lang="ar"] .nav__links a { font-family: "Noto Sans Arabic", system-ui, sans-serif; }

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

a { color: var(--indigo-500); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  line-height: 1.2;
  color: var(--indigo-900);
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--ink-700); }
small { color: var(--ink-500); font-size: 0.85rem; }

ul { padding-inline-start: 1.2em; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================================
   Top navigation
   ========================================================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 244, 0.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--ink-100);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
}
.nav__brand img { width: 32px; height: 32px; }
.nav__links {
  margin-inline-start: auto;
  display: flex;
  gap: 22px;
  align-items: center;
}
.nav__links a {
  color: var(--ink-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav__links a:hover { color: var(--indigo-500); }
.nav__cta {
  background: var(--indigo-500);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
}
.nav__cta:hover { background: var(--indigo-700); text-decoration: none; }

.lang-switch {
  display: inline-flex;
  background: var(--ink-100);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 2px;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-700);
  cursor: pointer;
  font-family: inherit;
}
.lang-switch button[aria-current="true"] {
  background: #fff;
  color: var(--indigo-500);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 720px) {
  .nav__links { gap: 12px; }
  .nav__links a:not(.nav__cta):not(.lang-switch) { display: none; }
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  background: linear-gradient(135deg, var(--indigo-50) 0%, var(--sand-50) 70%);
  padding: 72px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 60%;
  aspect-ratio: 1;
  background: radial-gradient(closest-side, var(--mint-200) 0%, transparent 70%);
  opacity: 0.4;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) {
  .hero { padding: 56px 0 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
}
.hero h1 { margin-bottom: 18px; }
.hero__lead { font-size: 1.2rem; color: var(--ink-700); max-width: 540px; }
.hero__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn--primary {
  background: var(--indigo-500);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { background: var(--indigo-700); text-decoration: none; }
.btn--secondary {
  background: #fff;
  color: var(--indigo-500);
  border: 1px solid var(--indigo-100);
}
.btn--secondary:hover { background: var(--indigo-50); text-decoration: none; }

.hero__phone {
  position: relative;
  width: 100%;
  max-width: 380px;
  justify-self: end;
}
@media (max-width: 880px) {
  .hero__phone { justify-self: center; }
}

/* =========================================================================
   Sections
   ========================================================================= */

section { padding: 72px 0; }
section.alt { background: #fff; border-block: 1px solid var(--ink-100); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--ink-500); font-size: 1.1rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--indigo-50);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: var(--indigo-500);
}
.card h3 { margin-bottom: 8px; }
.card p  { color: var(--ink-500); margin: 0; font-size: 0.95rem; }

/* "How it works" steps */
.steps { counter-reset: step; }
.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--ink-100);
}
.step:last-child { border-bottom: 0; }
.step__num {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--indigo-500), var(--mint-500));
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}
.step h3 { margin-bottom: 4px; }
.step p  { margin: 0; color: var(--ink-500); }

/* =========================================================================
   Banner / CTA strip
   ========================================================================= */

.cta-strip {
  background: linear-gradient(135deg, var(--indigo-500), var(--indigo-700));
  color: #fff;
  padding: 64px 0;
}
.cta-strip h2 { color: #fff; }
.cta-strip p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 580px; }
.cta-strip__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
@media (max-width: 720px) {
  .cta-strip__inner { grid-template-columns: 1fr; }
}
.cta-strip .btn--primary {
  background: #fff;
  color: var(--indigo-500);
}
.cta-strip .btn--primary:hover { background: var(--indigo-50); }

/* =========================================================================
   Footer
   ========================================================================= */

.footer {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 32px;
  font-size: 0.92rem;
}
.footer a { color: rgba(255,255,255,0.85); }
.footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 720px) {
  .footer__cols { grid-template-columns: 1fr 1fr; }
}
.footer h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: #fff;
  font-weight: 700;
}
.footer__brand img { width: 36px; height: 36px; }
.footer__legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* =========================================================================
   Long-form pages (privacy, terms, support)
   ========================================================================= */

.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.legal h1 { margin-bottom: 8px; }
.legal .last-updated {
  color: var(--ink-500);
  font-size: 0.9rem;
  margin-bottom: 32px;
}
.legal h2 { margin-top: 40px; font-size: 1.4rem; }
.legal h3 { margin-top: 24px; font-size: 1.1rem; color: var(--indigo-700); }
.legal code {
  background: var(--indigo-50);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

/* Multi-language stacks: only one is visible at a time. */
.lang-en, .lang-ar, .lang-fr { display: none; }
html[data-lang="en"] .lang-en,
html[data-lang="ar"] .lang-ar,
html[data-lang="fr"] .lang-fr { display: block; }

/* FAQ accordion */
.faq details {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 12px;
  cursor: pointer;
}
.faq details[open] { box-shadow: var(--shadow-sm); }
.faq summary {
  font-weight: 600;
  color: var(--ink-900);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--indigo-500);
  font-weight: 400;
  transition: transform 200ms ease;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p { margin-top: 12px; color: var(--ink-500); }

.contact-card {
  background: linear-gradient(135deg, var(--indigo-50), var(--sand-50));
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 32px;
  text-align: center;
}
.contact-card h3 { margin-bottom: 8px; }
.contact-card a { font-weight: 600; }

/* Subtle utility */
.muted { color: var(--ink-500); }
.center { text-align: center; }
.spacer-sm { height: 16px; }
.spacer-md { height: 32px; }
.spacer-lg { height: 64px; }

/* Phone mockup container so the embedded SVG fills it */
.phone-mock {
  width: 100%;
  filter: drop-shadow(0 30px 50px rgba(33, 31, 54, 0.18));
}
