/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-5) 0;
  background: transparent;
  margin-top: var(--space-6);
}
.footer-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: var(--space-3); align-items: start; }
.footer-brand p { color: var(--muted); margin-top: .5rem; max-width: 40ch; }
.footer-links { display: grid; gap: var(--space-1); }
.footer-links a { color: var(--muted); text-decoration: none; font-size: var(--font-sm); }
.footer-links a:hover { color: var(--text); }
.footer-note { align-self: end; color: var(--muted-strong); font-size: var(--font-xs); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1); padding: .7rem 1.05rem; text-decoration: none; border-radius: var(--radius-sm); border: 1px solid transparent; font-weight: 700; letter-spacing: .04em; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, filter .18s ease; }
.btn:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.55); outline-offset: 2px; }
.btn-accent { background: linear-gradient(180deg, var(--gold), #E6C200); color: #000000; box-shadow: 0 10px 30px -12px var(--accent-shadow), inset 0 1px 0 rgba(0, 0, 0, 0.2); }
.btn-accent:hover { filter: brightness(1.03); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: rgba(255,231,10,.4); color: var(--text); box-shadow: 0 10px 24px -12px rgba(0,0,0,.45); }
.btn-muted { background: rgba(255,255,255,0.04); color: var(--muted); border: 1px solid var(--line); }
.btn-muted:hover { color: var(--text); border-color: rgba(255,231,10,.25); }
.btn-white {
  background: linear-gradient(135deg, #FFE156 0%, #C9A227 65%, #B68F1E 100%);
  color: #0b0b0d;
  border: 2px solid rgba(255, 231, 10, 0.6);
  box-shadow: 0 16px 32px -14px rgba(201, 162, 39, 0.45), 0 10px 28px -18px rgba(0, 0, 0, 0.55);
}
.btn-white:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 18px 38px -16px rgba(201, 162, 39, 0.55), 0 12px 32px -18px rgba(0, 0, 0, 0.6);
}

/* A11y */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Auth forms */
.auth-form { display: grid; gap: var(--space-2); background: var(--surface-card); background-color: var(--bg-panel); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-3); }
.auth-form label { font-weight: 600; font-size: var(--font-sm); }
.auth-form input { background: #0f1014; color: var(--text); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .75rem .95rem; }
.auth-radio-group { display: flex; gap: 0.85rem; flex-wrap: wrap; }
.auth-radio { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 500; }
.auth-form input:focus { border-color: rgba(255,231,10,.55); box-shadow: 0 0 0 3px rgba(255,231,10,.18); outline: none; }
.auth-form .muted { color: var(--muted); }
.auth-consent { margin-top: .25rem; margin-bottom: .5rem; font-size: var(--font-sm); line-height: 1.5; color: var(--muted); }
.auth-consent__label { display: flex; gap: .65rem; align-items: flex-start; }
.auth-consent__label input { margin-top: .25rem; }
.auth-consent__label a { color: var(--text); text-decoration: underline; }
.auth-consent__label a:hover { text-decoration: none; }
.auth-error { background: rgba(255, 99, 99, .08); color: #ff8b8b; border: 1px solid rgba(255, 99, 99, .35); border-radius: var(--radius-sm); padding: .65rem .9rem; margin-bottom: var(--space-2); }

.input-field { background: #0f1014; color: var(--text); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .65rem .75rem; width: 100%; }
.input-field:focus { border-color: rgba(255,231,10,.55); box-shadow: 0 0 0 3px rgba(255,231,10,.18); outline: none; }
.text-capitalize { text-transform: capitalize; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .testimonials-shell { grid-template-columns: 1fr; }
  .intro-video__shell { padding: clamp(1.1rem, 4vw, 2rem); }
  .intro-video__frame { width: 100%; }
  .home-fold__proof-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .courses-hero.courses-hero--classic {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .courses-hero__cta {
    justify-content: center;
  }
  .courses-hero__art {
    order: -1;
  }
  .courses-community {
    grid-template-columns: 1fr;
  }
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-grid__aside { order: -1; }
  .dashboard-welcome__actions { justify-content: flex-start; }
}

@media (max-width: 768px) {
  .container,
  .container-narrow,
  .container-compact {
    width: min(100% - 1.5rem, var(--container));
  }
  .logo { width: 78px; }
  .nav {
    padding: var(--space-2) 0;
    flex-wrap: wrap;
  }
  .nav-brand { order: 0; }
  .nav-links {
    order: 2;
    display: flex;
    width: 100%;
    justify-content: space-between;
    gap: 0.35rem;
    margin-top: 0.45rem;
  }
  .nav-links a {
    display: none;
    flex: 1 1 auto;
    padding: 0.45rem 0.6rem;
  }
  .nav-links a[data-nav-key="home"],
  .nav-links a[data-nav-key="quran"],
  .nav-links a[data-nav-key="courses"],
  .nav-links a[data-nav-key="chat"] {
    display: inline-flex;
  }
  .nav-actions {
    order: 1;
    gap: var(--space-1);
  }
  .nav-actions {
    margin-left: auto;
  }
  .nav-store-cta {
    padding: 0.4rem 0.95rem;
    font-size: calc(var(--font-sm) * 0.95);
  }
  .nav-toggle { display: inline-flex; width: 2.5rem; height: 2.5rem; --toggle-line-offset: 6px; }
  .nav-toggle span { width: 20px; }
  .mobile-menu {
    padding: var(--space-2) var(--space-2) var(--space-3);
  }
  .mobile-menu[aria-hidden="false"] { display: flex; }
  .hero { padding: var(--space-5) 0 var(--space-4); }
  .hero--compact { padding: var(--space-4) 0 var(--space-3); }
  .hero-grid { text-align: center; }
  .hero-copy { text-align: center; }
  .hero-copy p { max-width: none; }
  .hero-actions { justify-content: center; }
  .hero-art { order: -1; margin-bottom: var(--space-4); min-height: 240px; }
  .courses-layout { padding-top: var(--space-4); }
  .courses-showcase { padding: var(--space-3); }
  .courses-featured-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .courses-hero__book { width: min(100%, 260px); }
  .courses-community__cta-head { flex-direction: column; align-items: flex-start; }
  .page { padding: var(--space-5) 0; }
  .section { padding: var(--space-5) 0; }
  .page-intro { text-align: center; }
  .page-actions { justify-content: center; }
  .home-slider { min-height: clamp(180px, 55vw, 300px); }
  .home-slider-nav { width: 40px; height: 40px; }
  .home-slider-nav--prev { left: 0.75rem; }
  .home-slider-nav--next { right: 0.75rem; }
  .home-slider-dot { width: 10px; height: 10px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .home-fold__shell { gap: var(--space-3); }
  .home-fold__rail.testimonials-grid { grid-auto-columns: minmax(220px, 85%); }
  .feed-hero,
  .feed-signin,
  .feed-form { padding: var(--space-3); }
  .feed-hero { flex-direction: column; align-items: stretch; }
  .feed-hero__aside { max-width: none; }
  .feed-signin { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .feed-signin .btn { width: 100%; }
  .feed-form__head { align-items: flex-start; }
  .feed-form__toolbar,
  .feed-form__footer { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .feed-form__guidance { width: 100%; text-align: left; }
  .chat-shell { gap: var(--space-3); }
  .chat-sidebar,
  .chat-pane { padding: var(--space-3); }
  .footer-grid { text-align: center; }
  .footer-links { justify-items: center; }
  .footer-note { text-align: center; }
}

@media (max-width: 640px) {
  .quick-actions {
    padding: var(--space-3) var(--space-2);
  }
  .quick-actions__grid,
  .dashboard-insights {
    grid-template-columns: 1fr;
  }
  .dashboard-welcome {
    padding: var(--space-3);
  }
  .courses-hero.courses-hero--classic {
    padding: var(--space-4);
  }
  .course-feature-card {
    padding: 1rem 0.95rem 1.2rem;
  }
  .courses-community__card {
    padding: var(--space-3);
  }
}

@media (max-width: 768px) {
  .cards { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .waitlist-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .logo { width: 60px; }
  .container,
  .container-narrow,
  .container-compact { width: min(100% - 0.75rem, var(--container)); }
  .nav { gap: var(--space-1); }
  .nav-store-cta {
    padding: 0.35rem 0.8rem;
    font-size: calc(var(--font-sm) * 0.9);
  }
  .nav-toggle { width: 2.25rem; height: 2.25rem; --toggle-line-offset: 5px; }
  .nav-toggle span { width: 18px; }
  .mobile-menu { padding: var(--space-2); }
  .hero { padding: var(--space-4) 0 var(--space-3); }
  .hero-actions { flex-direction: column; align-items: stretch; gap: var(--space-1); }
  .hero-actions .btn { width: 100%; }
  .meta-pill { margin-right: 0; margin-bottom: 0.35rem; }
  .home-slider { min-height: clamp(160px, 68vw, 240px); }
  .home-slider-nav { width: 34px; height: 34px; }
  .home-slider-nav--prev { left: 0.5rem; }
  .home-slider-nav--next { right: 0.5rem; }
  .home-slider-dot { width: 9px; height: 9px; }
  .home-fold__proof { padding: var(--space-3); }
  .home-fold__rail.testimonials-grid { grid-auto-columns: minmax(200px, 90%); }
  .feed-hero { gap: var(--space-2); }
  .feed-form__avatar { width: 40px; height: 40px; }
  .feed-form__toolbar,
  .feed-form__footer { gap: var(--space-1); }
  .chat-sidebar,
  .chat-pane { padding: var(--space-2); }
  .chat-pane__head { gap: var(--space-1); }
  .chat-composer { padding: 0.75rem 1rem; }
  .chat-composer textarea { min-height: 90px; }
  .cluster-between { gap: var(--space-1); }
}

@media (prefers-reduced-motion: reduce) {
  .arabic-bg .arabic-glow { animation: none !important; }