/* ============================================================
   KEYZIP.PRO — Navbar, Category Bar, Footer
   ============================================================ */

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 500;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: rgba(4,4,10,0.88);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Logo */
.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  display: flex; align-items: center; gap: 0;
  user-select: none;
}
.logo-k { color: var(--text-1); }
.logo-ey { color: var(--text-2); }
.logo-zip {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logo-dot { color: var(--text-4); }
.logo-pro { color: var(--text-4); font-size: 13px; font-weight: 600; margin-left: 1px; }

/* Search */
.nav-search {
  flex: 1; max-width: 520px;
  position: relative;
}
.nav-search input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-md);
  border-radius: var(--r-full);
  padding: 9px 16px 9px 42px;
  font-size: 14px; color: var(--text-1);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.nav-search input::placeholder { color: var(--text-4); }
.nav-search input:focus {
  border-color: var(--violet);
  background: var(--bg-overlay);
  box-shadow: 0 0 0 3px var(--violet-dim);
}
.nav-search .s-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-3); font-size: 15px;
  pointer-events: none;
}
.nav-search .s-shortcut {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  background: var(--bg-active); border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 10px; font-weight: 600; color: var(--text-4);
  font-family: var(--font-mono);
}

/* Nav actions */
.nav-actions {
  display: flex; align-items: center; gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-link {
  padding: 7px 13px;
  font-size: 14px; font-weight: 500;
  color: var(--text-3);
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text-1); background: var(--bg-hover); }
.nav-link.active { color: var(--text-1); }

.nav-upload-btn {
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700; font-size: 14px;
  padding: 8px 18px;
  border-radius: var(--r-full);
  border: none;
  display: flex; align-items: center; gap: 6px;
  cursor: none;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
  box-shadow: 0 0 20px var(--violet-glow);
}
.nav-upload-btn:hover { transform: translateY(-1px); box-shadow: 0 0 32px var(--violet-glow); }

/* Avatar button */
.nav-avatar-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-full);
  overflow: hidden;
  border: 2px solid var(--border-md);
  transition: border-color 0.2s;
  cursor: none;
  flex-shrink: 0;
}
.nav-avatar-btn:hover { border-color: var(--violet); }
.nav-avatar-placeholder {
  width: 100%; height: 100%;
  background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #fff;
}

/* Notification bell */
.nav-notif {
  position: relative;
}
.nav-notif .badge-dot {
  position: absolute; top: 4px; right: 4px;
  width: 8px; height: 8px;
  background: var(--pink);
  border: 2px solid var(--bg-base);
  border-radius: var(--r-full);
}

/* Mobile menu */
.nav-menu-btn {
  display: none;
  width: 36px; height: 36px;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; cursor: none;
}
.nav-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--text-2); border-radius: 2px;
  transition: all 0.3s;
}

/* ── CATEGORY BAR ────────────────────────────────────────── */
.cat-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 400;
  height: var(--cat-h);
  display: flex; align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, backdrop-filter 0.3s;
}
.cat-bar.bg-blur {
  background: rgba(4,4,10,0.88);
  backdrop-filter: blur(24px);
}
.cat-bar-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; gap: 4px;
  overflow-x: auto; scrollbar-width: none;
  width: 100%;
}
.cat-bar-inner::-webkit-scrollbar { display: none; }

.cat-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px;
  font-size: 13px; font-weight: 600;
  border-radius: var(--r-full);
  border: 1px solid transparent;
  color: var(--text-3);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s;
  cursor: none;
}
.cat-pill:hover {
  color: var(--text-1);
  background: var(--bg-active);
  border-color: var(--border);
}
.cat-pill.active {
  color: #fff;
  border-color: transparent;
}

/* Per-category active colors */
.cat-pill[data-cat="all"].active      { background: var(--grad-brand); box-shadow: 0 0 16px var(--violet-glow); }
.cat-pill[data-cat="ia"].active       { background: linear-gradient(135deg,#7c3aed,#3b82f6); box-shadow: 0 0 14px rgba(124,58,237,.35); }
.cat-pill[data-cat="marketing"].active{ background: linear-gradient(135deg,#ec4899,#f97316); box-shadow: 0 0 14px rgba(236,72,153,.35); }
.cat-pill[data-cat="diseno"].active   { background: linear-gradient(135deg,#06b6d4,#3b82f6); box-shadow: 0 0 14px rgba(6,182,212,.35); }
.cat-pill[data-cat="excel"].active    { background: linear-gradient(135deg,#10b981,#06b6d4); box-shadow: 0 0 14px rgba(16,185,129,.35); }
.cat-pill[data-cat="negocios"].active { background: linear-gradient(135deg,#f97316,#ec4899); box-shadow: 0 0 14px rgba(249,115,22,.35); }
.cat-pill[data-cat="seo"].active      { background: linear-gradient(135deg,#3b82f6,#06b6d4); box-shadow: 0 0 14px rgba(59,130,246,.35); }
.cat-pill[data-cat="rrss"].active     { background: linear-gradient(135deg,#ec4899,#8b5cf6); box-shadow: 0 0 14px rgba(236,72,153,.35); }
.cat-pill[data-cat="productividad"].active { background: linear-gradient(135deg,#8b5cf6,#ec4899); box-shadow: 0 0 14px rgba(139,92,246,.35); }
.cat-pill[data-cat="finanzas"].active { background: linear-gradient(135deg,#10b981,#3b82f6); box-shadow: 0 0 14px rgba(16,185,129,.35); }
.cat-pill[data-cat="automatizacion"].active { background: linear-gradient(135deg,#06b6d4,#8b5cf6); box-shadow: 0 0 14px rgba(6,182,212,.35); }
.cat-pill[data-cat="video"].active    { background: linear-gradient(135deg,#ef4444,#f97316); box-shadow: 0 0 14px rgba(239,68,68,.35); }
.cat-pill[data-cat="audio"].active    { background: linear-gradient(135deg,#8b5cf6,#ec4899); box-shadow: 0 0 14px rgba(139,92,246,.35); }
.cat-pill[data-cat="codigo"].active   { background: linear-gradient(135deg,#10b981,#8b5cf6); box-shadow: 0 0 14px rgba(16,185,129,.35); }

/* ── SECTION HEADERS ─────────────────────────────────────── */
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 32px;
}
.section-eyebrow {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--violet);
  margin-bottom: 6px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: var(--text-1);
}
.section-link {
  font-size: 14px; font-weight: 600;
  color: var(--violet);
  display: flex; align-items: center; gap: 4px;
  transition: gap 0.2s;
}
.section-link:hover { gap: 8px; }

/* ── FOOTER ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
.footer-brand {}
.footer-brand .nav-logo { font-size: 22px; margin-bottom: 14px; }
.footer-desc {
  font-size: 14px; color: var(--text-3);
  line-height: 1.7; max-width: 260px;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 8px; }
.footer-social-btn {
  width: 34px; height: 34px;
  background: var(--bg-active);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--text-3);
  transition: all 0.2s; cursor: none;
}
.footer-social-btn:hover { background: var(--bg-hover); color: var(--text-1); border-color: var(--border-md); }
.footer-col h5 {
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text-4);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px; color: var(--text-3);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-1); }
.footer-bottom {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 24px 0;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--text-4); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--text-4); transition: color 0.2s; }
.footer-legal a:hover { color: var(--text-3); }

/* ── RESPONSIVE NAV ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .nav-search { display: none; }
  .nav-menu-btn { display: flex; }
  .nav-link { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}