/* ─── Floating Pill Navigation ───────────────────────────── */
.nav {
  position: fixed;
  top: var(--nav-offset);
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1240px;
  z-index: 100;
  height: var(--nav-height);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.60);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-glass);
  border: 1px solid rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  padding-inline: var(--sp-8);
  transition: box-shadow var(--t-base), background var(--t-base);
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 32px rgba(31,38,135,0.12);
}

.nav__container {
  display: flex;
  align-items: center;
  width: 100%;
  gap: var(--sp-6);
}

/* Logo */
.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  opacity: 0.9;
  transition: opacity var(--t-fast);
}
.nav__logo:hover { opacity: 0.65; }
.nav__logo img   { height: 22px; width: auto; }

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  margin-left: auto;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--t-fast);
}
.nav__link:hover,
.nav__link.is-active { color: var(--color-primary); }

/* CTA */
.nav__cta {
  margin-left: var(--sp-6);
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 400;
}

/* Hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px; height: 30px;
  padding: 3px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav__burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-active span:nth-child(2) { opacity: 0; }
.nav__burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Mobile Menu ────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(247, 246, 254, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 96px var(--container-pad) var(--sp-12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px);
  transition: opacity var(--t-slow), visibility var(--t-slow), transform var(--t-slow);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
  width: 100%;
  max-width: 340px;
}
.mobile-menu__link {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--t-fast);
}
.mobile-menu__link:hover { color: var(--color-primary); }
.mobile-menu .btn--full {
  width: 100%;
  justify-content: center;
  margin-top: var(--sp-4);
}