/* ─────────────────────────────────────────
   NAVBAR — BASE (desktop)
───────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: 16px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--glass-border);
  transition: padding var(--transition-base);
}

#navbar.scrolled {
  padding: 10px 48px;
}

/* ── Logo ── */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0;
  flex-shrink: 0;
}

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

/* ── Desktop nav links ── */
.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: color-mix(in srgb, var(--color-white) 75%, transparent);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-white);
}

/* ── Right-side group ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ─────────────────────────────────────────
   LANGUAGE DROPDOWN (desktop)
───────────────────────────────────────── */
.lang-dropdown {
  position: relative;
}

.lang-trigger {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--color-white) 85%, transparent);
  white-space: nowrap;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.lang-trigger:hover {
  background: color-mix(in srgb, var(--color-white) 18%, transparent);
  border-color: color-mix(in srgb, var(--color-white) 35%, transparent);
}

.lang-chevron {
  color: color-mix(in srgb, var(--color-white) 50%, transparent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.lang-dropdown.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--dropdown-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 6px;
  min-width: 155px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 200;
  box-shadow: 0 20px 60px color-mix(in srgb, var(--palette-ink) 50%, transparent);
}

.lang-dropdown.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  padding: 9px 14px;
  border-radius: 11px;
  font-size: 0.85rem;
  font-weight: 500;
  color: color-mix(in srgb, var(--color-white) 65%, transparent);
  cursor: pointer;
  outline-offset: 2px;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.lang-option:hover {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-white);
}

.lang-option.active {
  background: color-mix(in srgb, var(--color-primary) 20%, transparent);
  color: var(--color-white);
  font-weight: 700;
}

/* ─────────────────────────────────────────
   WHATSAPP BUTTON (desktop)
───────────────────────────────────────── */
.btn-whatsapp {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  border-radius: 24px;
  padding: 9px 20px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-whatsapp:hover {
  transform: scale(1.04);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp svg {
  width: 18px;
  height: 18px;
}

/* ─────────────────────────────────────────
   HAMBURGER (mobile only)
───────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: color-mix(in srgb, var(--color-white) 7%, transparent);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transform-origin: center;
  transition:
    transform 0.3s ease,
    opacity   0.3s ease,
    width     0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─────────────────────────────────────────
   MOBILE OVERLAY
───────────────────────────────────────── */
.mobile-overlay {
  display: block;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-overlay[hidden] {
  display: none;
}

.mobile-overlay.visible {
  opacity: 1;
}

/* ─────────────────────────────────────────
   MOBILE DRAWER
───────────────────────────────────────── */
.mobile-drawer {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  flex-direction: column;
  background: var(--drawer-bg);
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
  z-index: var(--z-drawer);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
}

.mobile-drawer[hidden] {
  display: none;
}

.mobile-drawer.open {
  transform: translateX(0);
}

/* Blobs decorativos */
.mobile-drawer::before,
.mobile-drawer::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.mobile-drawer::before {
  top: -60px; right: -80px;
  width: 220px; height: 220px;
  background: radial-gradient(circle,
    color-mix(in srgb, var(--palette-lilac) 18%, transparent),
    transparent 70%);
}

.mobile-drawer::after {
  bottom: 40px; right: -100px;
  width: 180px; height: 180px;
  background: radial-gradient(circle,
    color-mix(in srgb, var(--palette-turquoise) 12%, transparent),
    transparent 70%);
}

/* ── Drawer header ── */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  flex-shrink: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-white) 8%, transparent);
}

.drawer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0;
  white-space: nowrap;
}

.drawer-logo span {
  color: var(--color-white);
}

.drawer-close {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-white) 12%, transparent);
  border: 2px solid color-mix(in srgb, var(--color-white) 25%, transparent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.drawer-close:hover {
  background: color-mix(in srgb, var(--color-white) 18%, transparent);
  border-color: color-mix(in srgb, var(--color-white) 35%, transparent);
}

.drawer-close:active {
  background: color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  color: var(--color-white);
}

/* ── Drawer nav links ── */
.drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 18px;
  flex-shrink: 0;
}

.drawer-nav a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0;
  color: color-mix(in srgb, var(--color-white) 70%, transparent);
  padding: 14px 0;
  line-height: 1.1;
  display: block;
  border-bottom: 1px solid color-mix(in srgb, var(--color-white) 6%, transparent);
  transition: color var(--transition-fast);
  position: relative;
}

.drawer-nav a:last-child {
  border-bottom: none;
}

.drawer-nav a:active {
  color: var(--color-white);
}

.mobile-drawer.open .drawer-nav a:nth-child(1) { animation: linkIn 0.4s 0.06s ease both; }
.mobile-drawer.open .drawer-nav a:nth-child(2) { animation: linkIn 0.4s 0.13s ease both; }
.mobile-drawer.open .drawer-nav a:nth-child(3) { animation: linkIn 0.4s 0.20s ease both; }

@keyframes linkIn {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Drawer language selector ── */
.drawer-lang {
  padding: 16px 18px 12px;
  flex-shrink: 0;
  margin-top: auto;
  border-top: 1px solid color-mix(in srgb, var(--color-white) 8%, transparent);
}

.drawer-lang-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-white) 28%, transparent);
  margin-bottom: 12px;
}

.drawer-lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.drawer-lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--color-white) 5%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-white) 9%, transparent);
  border-radius: 14px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: color-mix(in srgb, var(--color-white) 50%, transparent);
  transition: all var(--transition-fast);
}

.drawer-lang-btn.active {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
  color: var(--color-white);
  font-weight: 700;
}

.drawer-lang-btn:active {
  background: color-mix(in srgb, var(--color-white) 10%, transparent);
  color: var(--color-white);
}

/* ── Drawer bottom CTA ── */
.drawer-cta {
  padding: 12px 18px 24px;
  flex-shrink: 0;
}

/* Verde WhatsApp — color de marca externo, intencional */
.drawer-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  border-radius: 16px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.2);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.drawer-cta a:active {
  transform: scale(0.98);
}

.drawer-cta a svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────
   RESPONSIVE BREAKPOINTS
───────────────────────────────────────── */
@media (max-width: 768px) {
  #navbar { 
    padding: 14px 20px;
    flex-direction: row-reverse;
  }
  #navbar.scrolled { padding: 10px 20px; }    

  .nav-logo-right {
    order: 2;
  }

  .nav-left {
    order: 1;
  }

  .nav-links     { display: none; }
  .btn-whatsapp  { display: none; }
  .lang-dropdown { display: none; }

  .hamburger { display: flex; }
}

@media (min-width: 769px) {
  .mobile-overlay,
  .mobile-drawer { display: none !important; }
}

/* ── Logo imagen ── */
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  mix-blend-mode: screen;
  filter: brightness(1.05);
  transition: opacity var(--transition-fast);
}

.nav-logo:hover .nav-logo-img {
  opacity: 0.85;
}