/* ================================
   UTILITIES
   ================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-size: 2.5rem;
  color: var(--warm-brown);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-dark);
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ================================
   BUTTONS
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--border-radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--honey-gold);
  color: var(--warm-brown);
}

.btn-primary:hover {
  background: var(--honey-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--warm-brown);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #1EBE57;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ================================
   HEADER
   ================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--white);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-logo img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.header-logo span {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--warm-brown);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--warm-brown);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--honey-gold);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--amber);
}

.nav-link:hover::after {
  width: 100%;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--cream);
  border-radius: 20px;
  padding: 4px;
  gap: 2px;
}

.lang-btn {
  padding: 4px 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 16px;
  transition: all var(--transition);
  color: var(--gray-dark);
}

.lang-btn.active {
  background: var(--honey-gold);
  color: var(--warm-brown);
}

.lang-btn:hover:not(.active) {
  color: var(--warm-brown);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--warm-brown);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   FOOTER
   ================================ */
.footer {
  background: var(--warm-brown);
  color: var(--cream);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-brand p {
  font-size: 0.9375rem;
  opacity: 0.85;
  line-height: 1.7;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
  color: var(--honey-gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 0.9375rem;
  opacity: 0.85;
  transition: opacity var(--transition), color var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--honey-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 248, 231, 0.15);
  padding-top: var(--space-xl);
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.7;
}

/* ================================
   WHATSAPP FLOATING BUTTON
   ================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: var(--white);
}

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  color: var(--warm-brown);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}