/* ============================================
   YAHAVI FORGE — UI LAYER
   (1) Fixed sidebar module nav  (2) Rich ecosystem footer
   Built on the existing brutalist tokens in styles.css.
   ============================================ */

:root { --nav-h: 64px; --sidebar-w: 236px; }

/* ============================================
   APP SHELL + SIDEBAR
   ============================================ */
.app-shell { display: flex; align-items: flex-start; }

.app-shell > .container { flex: 1 1 auto; min-width: 0; max-width: 1180px; margin: 0 auto; }

.sidebar {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  position: sticky;
  top: var(--nav-h);
  align-self: flex-start;
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  background: var(--paper);
  border-right: var(--border);
  z-index: 90;
}

.sidebar-inner { padding: 20px 14px 40px; }

.sidebar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0 6px 12px;
  margin-bottom: 8px;
  border-bottom: 2px solid var(--ink);
}

.sidebar-tabs { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }

/* Reuse .nav-tab (app.js binds these) but lay them out vertically */
.sidebar .nav-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 12px;
  border: 2px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s, background 0.1s;
}
.sidebar .nav-tab::before { content: "▸"; color: var(--pink); font-weight: 900; }
.sidebar .nav-tab:hover {
  background: var(--yellow);
  border-color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--ink);
}
.sidebar .nav-tab.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--pink);
}
.sidebar .nav-tab.active::before { color: var(--yellow); }

.sidebar-foot {
  margin: 20px 6px 0;
  padding-top: 14px;
  border-top: 2px dashed var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* Hamburger (mobile only) */
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: var(--yellow);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 18px; font-weight: 900;
  flex: none;
}
.nav-burger:hover { background: var(--ink); color: var(--paper); }

.sidebar-overlay { position: fixed; inset: 0; background: rgba(10,10,10,0.6); z-index: 240; display: none; }
.sidebar-overlay.open { display: block; }

@media (max-width: 991px) {
  .app-shell { display: block; }
  .nav-burger { display: inline-flex; }
  .sidebar {
    position: fixed; top: 0; left: 0;
    height: 100vh; width: min(280px, 82vw);
    flex-basis: auto;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    border-right: var(--border-thick);
    z-index: 250;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-inner { padding-top: 24px; }
  .app-shell > .container { max-width: none; }
}

/* ============================================
   RICH ECOSYSTEM FOOTER
   ============================================ */
.site-footer {
  margin-top: 80px;
  background: var(--ink);
  color: var(--paper);
  border-top: var(--border-thick);
}
.site-footer a { color: var(--paper); border-bottom: none; font-weight: 500; }
.site-footer a:hover { color: var(--ink); background: var(--yellow); }
.footer-wrap { max-width: 1280px; margin: 0 auto; }

/* Newsletter row */
.footer-news { border-bottom: 2px solid rgba(250,246,233,0.14); }
.footer-news-inner {
  max-width: 1280px; margin: 0 auto; padding: 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.footer-news h3 { font-family: var(--font-display); font-size: clamp(20px,3vw,28px); text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 6px; }
.footer-news p { font-family: var(--font-mono); font-size: 12px; color: rgba(250,246,233,0.6); letter-spacing: 0.03em; }
.footer-news form { display: flex; gap: 10px; flex: 1; min-width: 280px; max-width: 460px; }
.footer-news input {
  flex: 1; width: auto; background: var(--paper); color: var(--ink);
  border: var(--border); padding: 12px 14px; font-family: var(--font-body); font-size: 14px;
  box-shadow: 4px 4px 0 var(--yellow);
}
.footer-news input:focus { outline: none; transform: translate(1px,1px); box-shadow: 2px 2px 0 var(--yellow); background: var(--paper); }
.footer-news button {
  background: var(--yellow); color: var(--ink); border: var(--border);
  padding: 12px 18px; font-family: var(--font-mono); font-size: 12px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.08em; cursor: pointer; box-shadow: 4px 4px 0 var(--pink);
  transition: transform 0.1s, box-shadow 0.1s; white-space: nowrap;
}
.footer-news button:hover { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--pink); }

/* Columns */
.footer-cols {
  padding: 44px 32px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-brandcol .footer-logo { font-family: var(--font-display); font-size: 24px; text-transform: uppercase; letter-spacing: -0.01em; }
.footer-brandcol .footer-logo .accent { color: var(--yellow); }
.footer-brandcol .footer-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--pink); margin: 4px 0 14px; }
.footer-brandcol p.blurb { font-size: 13px; line-height: 1.55; color: rgba(250,246,233,0.6); max-width: 280px; margin-bottom: 18px; }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  background: rgba(250,246,233,0.08); border: 2px solid rgba(250,246,233,0.25);
}
.footer-social a:hover { background: var(--yellow); border-color: var(--yellow); }
.footer-social svg { width: 18px; height: 18px; }

.footer-founders { margin-top: 16px; display: flex; flex-direction: column; gap: 5px; }
.footer-founders .ff-label { font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--yellow); margin-bottom: 2px; }
.footer-founders a { font-family: var(--font-mono); font-size: 11.5px; color: rgba(250,246,233,0.7); width: fit-content; }
.footer-founders a:hover { color: var(--ink); background: var(--yellow); padding: 0 3px; }

.footer-col h4 { font-family: var(--font-mono); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--yellow); margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-family: var(--font-body); font-size: 13px; color: rgba(250,246,233,0.65); }
.footer-col a:hover { color: var(--ink); background: var(--yellow); padding: 0 3px; }

/* Trust badges */
.footer-badges {
  border-top: 2px solid rgba(250,246,233,0.14);
  padding: 22px 32px;
  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
}
.footer-badge {
  border: 2px solid rgba(250,246,233,0.2); padding: 8px 14px; min-width: 150px;
  display: flex; flex-direction: column; gap: 2px;
}
.footer-badge strong { font-family: var(--font-display); font-size: 13px; text-transform: uppercase; color: var(--paper); }
.footer-badge span { font-family: var(--font-mono); font-size: 10px; color: rgba(250,246,233,0.55); letter-spacing: 0.03em; }

/* Contact row */
.footer-contact {
  border-top: 2px solid rgba(250,246,233,0.14);
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12px; color: rgba(250,246,233,0.55);
}
.footer-contact a { color: rgba(250,246,233,0.7); }
.footer-contact .sep { color: rgba(250,246,233,0.2); }

/* Bottom bar */
.footer-bottom {
  border-top: 2px solid rgba(250,246,233,0.14);
  padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-copy { font-family: var(--font-mono); font-size: 11px; color: rgba(250,246,233,0.45); letter-spacing: 0.03em; }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-legal a { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(250,246,233,0.5); }

@media (max-width: 880px) {
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brandcol { grid-column: 1 / -1; }
  .footer-news-inner { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .footer-cols { grid-template-columns: 1fr; }
  .footer-news, .footer-cols, .footer-badges, .footer-contact, .footer-bottom { padding-left: 18px; padding-right: 18px; }
}