/* ============================================================
   WellnessAIStudio — Navigation & Footer
   ============================================================ */

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

.nav-transparent { background: transparent; }

.nav.scrolled, .nav-solid {
  background: rgba(13, 31, 21, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.nav-logo span { color: var(--saffron); }

/* Center tagline (appears on scroll) */
.nav-tagline {
  font-size: 11.5px;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  letter-spacing: 1.8px;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.4s;
  text-align: center;
  flex: 1;
  padding: 0 24px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav.scrolled .nav-tagline { opacity: 1; }
.nav-solid .nav-tagline { opacity: 1; }

.nav-cta {
  background: var(--saffron);
  color: var(--charcoal);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--saffron-warm);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(13,31,21,0.98);
  backdrop-filter: blur(20px);
  padding: 24px 20px 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.nav-mobile-menu.open { display: flex; }

.nav-mobile-menu a {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-mobile-menu a:last-child {
  border: none;
  background: var(--saffron);
  color: var(--charcoal);
  padding: 14px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .nav { padding: 0 20px; }
  .nav-tagline { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

/* ── WHATSAPP FLOAT ── */
.wa-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 8px 32px rgba(37,211,102,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  animation: wa-pulse 2.5s infinite;
  text-decoration: none;
  transition: transform 0.2s;
}
.wa-float:hover { transform: scale(1.08); }

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 32px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 8px 52px rgba(37,211,102,0.7); }
}

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--charcoal);
  padding: 28px 40px;
  display: flex;
  align-items: center;
  gap: 48px;
  overflow: hidden;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-bar-label {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.trust-logos {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-logo {
  font-family: var(--font-display);
  font-size: 16px;
  color: rgba(255,255,255,0.20);
  font-weight: 600;
  letter-spacing: 1px;
  white-space: nowrap;
  transition: color 0.2s;
}
.trust-logo:hover { color: rgba(255,255,255,0.45); }

/* ── FOOTER ── */
.footer {
  background: var(--charcoal);
  padding: 80px 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 14px;
}
.footer-brand-name span { color: var(--saffron); }

.footer-brand-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  line-height: 1.75;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.footer-social a {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(255,255,255,0.4);
  transition: all 0.2s;
}
.footer-social a:hover {
  border-color: var(--saffron);
  color: var(--saffron);
}

.footer-col-title {
  font-size: 10px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links li { margin-bottom: 11px; }

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  transition: color 0.2s;
  line-height: 1.4;
}
.footer-links a:hover { color: var(--saffron); }

.footer-bottom {
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.18);
}

.footer-legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: 12px;
  color: rgba(255,255,255,0.18);
  transition: color 0.2s;
}
.footer-legal a:hover { color: rgba(255,255,255,0.55); }

/* Footer CTA strip above footer */
.footer-cta-strip {
  background: var(--gradient-warm);
  padding: 60px 40px;
  text-align: center;
}

.footer-cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.footer-cta-strip p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.footer-cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: var(--white);
  color: var(--clay);
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0,0,0,0.18);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .footer { padding: 60px 20px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-cta-strip { padding: 48px 20px; }
  .trust-bar { padding: 24px 20px; gap: 24px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}