/* ================================================================
   FOOTER ULTRA MODERNO - HOTEL D'CONFORT
   Estilos Premium con Animaciones Avanzadas
   Colores: Negro, Blanco, Amarillo, Verde
   ================================================================ */

/* ============================================================
   RESET Y BASE
   ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.footer-modern {
  position: relative;
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
  color: #ffffff;
  overflow: hidden;
  font-family: 'Poppins', 'Segoe UI', sans-serif;
}

.section__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================================
   BACKGROUND ANIMADO
   ============================================================ */
.footer-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.footer-gradient-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at top,
    rgba(255, 215, 0, 0.08) 0%,
    transparent 50%
  ),
  radial-gradient(
    ellipse at bottom,
    rgba(34, 197, 94, 0.08) 0%,
    transparent 50%
  );
  animation: gradientPulse 8s ease-in-out infinite;
}

@keyframes gradientPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ============================================================
   ORBES LUMINOSOS
   ============================================================ */
.footer-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 20s ease-in-out infinite;
}

.footer-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #ffd700 0%, transparent 70%);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.footer-orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #22c55e 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation-delay: 7s;
}

.footer-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #ffd700 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 14s;
}

@keyframes orbFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(50px, -50px) scale(1.1);
  }
  50% {
    transform: translate(-30px, 30px) scale(0.9);
  }
  75% {
    transform: translate(40px, 40px) scale(1.05);
  }
}

/* ============================================================
   ESTRELLAS DINÁMICAS
   ============================================================ */
.footer-stars {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #ffd700;
  border-radius: 50%;
  animation: starTwinkle 3s ease-in-out infinite;
  box-shadow: 0 0 4px #ffd700;
}

@keyframes starTwinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

/* ============================================================
   PARTÍCULAS FLOTANTES
   ============================================================ */
.footer-particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: linear-gradient(45deg, #ffd700, #22c55e);
  border-radius: 50%;
  opacity: 0.4;
  animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2.5s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4.5s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1.5s; }
.particle:nth-child(10) { left: 95%; animation-delay: 3.5s; }

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ============================================================
   ONDAS ANIMADAS
   ============================================================ */
.footer-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  opacity: 0.1;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 215, 0, 0.3) 25%, 
    rgba(34, 197, 94, 0.3) 50%, 
    rgba(255, 215, 0, 0.3) 75%, 
    transparent 100%
  );
  animation: waveAnimation 15s linear infinite;
}

.wave-1 {
  animation-delay: 0s;
  opacity: 0.7;
}

.wave-2 {
  animation-delay: 5s;
  opacity: 0.5;
}

.wave-3 {
  animation-delay: 10s;
  opacity: 0.3;
}

@keyframes waveAnimation {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ============================================================
   GRID DE FONDO
   ============================================================ */
.footer-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 215, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 215, 0, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* ============================================================
   CONTENIDO PRINCIPAL
   ============================================================ */
.footer-content {
  position: relative;
  z-index: 2;
  padding: 80px 0 60px;
}

.footer__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
}

/* ============================================================
   COLUMNAS DEL FOOTER
   ============================================================ */
.footer__col {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer__col.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   LOGO Y DESCRIPCIÓN
   ============================================================ */
.footer-logo-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 25px;
}

.footer-logo {
  display: block;
  transition: transform 0.4s ease;
  position: relative;
  z-index: 2;
}

.footer-logo:hover {
  transform: scale(1.05) rotate(-2deg);
}

.footer-logo img {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(255, 215, 0, 0.3));
  transition: filter 0.3s ease;
}

.footer-logo:hover img {
  filter: drop-shadow(0 8px 20px rgba(255, 215, 0, 0.5));
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.footer-logo:hover .logo-glow {
  opacity: 1;
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.2); }
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 25px;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-description:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   RATING
   ============================================================ */
.footer-rating {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: all 0.3s ease;
}

.footer-rating:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 215, 0, 0.4);
  transform: translateY(-2px);
}

.footer-rating .stars {
  display: flex;
  gap: 4px;
}

.footer-rating .stars i {
  color: #ffd700;
  font-size: 18px;
  animation: starBounce 2s ease-in-out infinite;
}

.footer-rating .stars i:nth-child(1) { animation-delay: 0s; }
.footer-rating .stars i:nth-child(2) { animation-delay: 0.1s; }
.footer-rating .stars i:nth-child(3) { animation-delay: 0.2s; }
.footer-rating .stars i:nth-child(4) { animation-delay: 0.3s; }
.footer-rating .stars i:nth-child(5) { animation-delay: 0.4s; }

@keyframes starBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.rating-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 500;
}

/* ============================================================
   TÍTULOS DE COLUMNA
   ============================================================ */
.footer-title {
  color: #ffffff;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  padding-bottom: 15px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, #ffd700 0%, #22c55e 100%);
  border-radius: 2px;
  transition: width 0.4s ease;
}

.footer__col:hover .footer-title::after {
  width: 100px;
}

.footer-title i {
  color: #ffd700;
  font-size: 24px;
  transition: transform 0.3s ease;
}

.footer__col:hover .footer-title i {
  transform: rotate(360deg);
}

/* ============================================================
   ENLACES DEL FOOTER
   ============================================================ */
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links li {
  transform: translateX(0);
  transition: transform 0.3s ease;
}

.footer__links li:hover {
  transform: translateX(8px);
}

.footer__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.footer__links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
  transition: left 0.5s ease;
}

.footer__links a:hover::before {
  left: 100%;
}

.footer__links a:hover {
  color: #ffffff;
  background: rgba(255, 215, 0, 0.1);
  padding-left: 16px;
}

.footer__links a i:first-child {
  color: #ffd700;
  font-size: 18px;
  transition: all 0.3s ease;
}

.footer__links a:hover i:first-child {
  color: #22c55e;
  transform: scale(1.2);
}

.footer__links a .arrow {
  margin-left: auto;
  color: #22c55e;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
}

.footer__links a:hover .arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   CONTACTO
   ============================================================ */
.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 215, 0, 0.1);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.contact-item:hover {
  background: rgba(255, 215, 0, 0.1);
  border-color: rgba(255, 215, 0, 0.3);
  transform: translateX(8px);
}

.contact-icon {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ffd700 0%, #22c55e 100%);
  border-radius: 10px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-item:hover .contact-icon {
  transform: rotate(360deg);
}

.contact-icon i {
  color: #000000;
  font-size: 20px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-value {
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
}

/* ============================================================
   REDES SOCIALES
   ============================================================ */
.footer-socials-wrapper {
  margin-top: 20px;
}

.socials-title {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  margin-bottom: 15px;
  font-weight: 500;
}

.footer__socials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-link {
  position: relative;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.social-link::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: #000000;
  color: #ffd700;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  border: 1px solid #ffd700;
}

.social-link:hover::before {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.social-link i {
  font-size: 20px;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.social-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: all 0.5s ease;
}

.social-link:hover .social-ripple {
  width: 100px;
  height: 100px;
  opacity: 0;
}

/* Colores específicos por red social */
.social-link.facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(24, 119, 242, 0.4);
}

.social-link.instagram:hover {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border-color: #e6683c;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(225, 48, 108, 0.4);
}

.social-link.youtube:hover {
  background: #ff0000;
  border-color: #ff0000;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(255, 0, 0, 0.4);
}

.social-link.twitter:hover {
  background: #000000;
  border-color: #ffffff;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.social-link.whatsapp:hover {
  background: #25d366;
  border-color: #25d366;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.footer-newsletter {
  position: relative;
  z-index: 2;
  padding: 50px 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-newsletter.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.newsletter-container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid rgba(255, 215, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  transition: all 0.3s ease;
}

.newsletter-container:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 215, 0, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(255, 215, 0, 0.2);
}

.newsletter-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.newsletter-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ffd700 0%, #22c55e 100%);
  border-radius: 15px;
  flex-shrink: 0;
  animation: newsletterIconPulse 2s ease-in-out infinite;
}

@keyframes newsletterIconPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(255, 215, 0, 0); }
}

.newsletter-icon i {
  font-size: 28px;
  color: #000000;
}

.newsletter-text h3 {
  color: #ffffff;
  font-size: 22px;
  margin-bottom: 8px;
  font-weight: 600;
}

.newsletter-text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 450px;
  flex: 1;
}

.input-wrapper {
  position: relative;
  flex: 1;
}

.input-wrapper i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 18px;
  transition: color 0.3s ease;
}

.input-wrapper input {
  width: 100%;
  padding: 16px 20px 16px 50px;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #ffffff;
  font-size: 15px;
  transition: all 0.3s ease;
  outline: none;
}

.input-wrapper input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.input-wrapper input:focus {
  border-color: #ffd700;
  background: rgba(0, 0, 0, 0.5);
}

.input-wrapper input:focus + i {
  color: #ffd700;
}

.newsletter-btn {
  padding: 16px 32px;
  background: linear-gradient(135deg, #ffd700 0%, #22c55e 100%);
  border: none;
  border-radius: 12px;
  color: #000000;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.newsletter-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

.newsletter-btn i {
  transition: transform 0.3s ease;
}

.newsletter-btn:hover i {
  transform: translateX(5px);
}

/* ============================================================
   DIVIDER
   ============================================================ */
.footer-divider {
  position: relative;
  z-index: 2;
  padding: 0 20px;
}

.divider-line {
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 215, 0, 0.5) 20%, 
    rgba(34, 197, 94, 0.5) 50%, 
    rgba(255, 215, 0, 0.5) 80%, 
    transparent 100%
  );
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================================
   FOOTER BOTTOM
   ============================================================ */
.footer__bar {
  position: relative;
  z-index: 2;
  padding: 30px 0;
}

.footer-bar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bar-left .copyright {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.copyright i {
  color: #ffd700;
}

.footer-bar-center .footer-legal {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  position: relative;
}

.footer-legal a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffd700, #22c55e);
  transition: width 0.3s ease;
}

.footer-legal a:hover {
  color: #ffffff;
}

.footer-legal a:hover::after {
  width: 100%;
}

.payment-methods {
  display: flex;
  align-items: center;
  gap: 12px;
}

.payment-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.payment-icons {
  display: flex;
  gap: 10px;
}

.payment-icons i {
  color: #ffffff;
  font-size: 24px;
  transition: all 0.3s ease;
}

.payment-icons i:hover {
  color: #ffd700;
  transform: scale(1.2);
}

/* ============================================================
   BOTÓN BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  background: linear-gradient(135deg, #ffd700 0%, #22c55e 100%);
  border: none;
  border-radius: 50%;
  color: #000000;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
}

.back-to-top-text {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.back-to-top i {
  animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 968px) {
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter-container {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-content {
    flex-direction: column;
  }

  .newsletter-form {
    max-width: 100%;
    width: 100%;
  }

  .footer-bar-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .footer__container {
    grid-template-columns: 1fr;
  }

  .footer-content {
    padding: 60px 0 40px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-btn {
    width: 100%;
    justify-content: center;
  }

  .back-to-top {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }

  .footer-orb {
    opacity: 0.2;
  }
}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}