:root {
  --primary-color: #0a192f;
  --secondary-color: #112240;
  --accent-color: #64ffda;
  --text-color: #ccd6f6;
  --light-text-color: #8892b0;
  --max-width: 1200px;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--primary-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Carousel */
.background-carousel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 2s ease-in-out;
  filter: brightness(0.3) blur(2px);
}

.bg-slide.active {
  opacity: 1;
}

.bg-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.8) 0%, rgba(17, 34, 64, 0.6) 100%);
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 1.2rem 0;
  z-index: 1000;
  border-bottom: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0;
  margin: 0;
  width: 100%;
  box-shadow: none;
}

header::before {
  display: none;
}

/* Remove the decorative top element */
header::after {
  display: none;
}

/* Remove header shimmer effect for cleaner look */
header .nav-container::after {
  display: none;
}

@keyframes headerShimmer {
  0% { left: -100%; opacity: 0; }
  10% { opacity: 1; }
  50% { left: 100%; opacity: 1; }
  51% { opacity: 0; }
  100% { left: 100%; opacity: 0; }
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 3rem;
  position: relative;
}

/* Simplify the nav-container background */
.nav-container::before {
  display: none;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
  position: relative;
}

/* Simplify nav-brand hover effects */
.nav-brand::before {
  display: none;
}

.nav-brand:hover {
  transform: scale(1.02);
}

.nav-brand img {
  height: 40px;
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.1));
  transition: all 0.3s ease;
  border-radius: 8px;
}

.nav-brand:hover img {
  filter: drop-shadow(0 3px 12px rgba(255, 255, 255, 0.2));
  transform: scale(1.05);
}

.nav-brand span {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: -0.02em;
  position: relative;
  transition: all 0.3s ease;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-brand span.glowing-text {
  cursor: pointer;
  text-shadow: 
    0 0 10px rgba(255, 255, 255, 0.8),
    0 0 20px rgba(100, 255, 218, 0.6),
    0 0 30px rgba(255, 215, 0, 0.4),
    0 0 40px rgba(255, 105, 180, 0.3);
  animation: headerGlow 2s ease-in-out infinite alternate;
}

.nav-brand span.glowing-text:hover {
  transform: scale(1.02);
  text-shadow: 
    0 0 15px rgba(255, 255, 255, 1),
    0 0 25px rgba(100, 255, 218, 0.8),
    0 0 35px rgba(255, 215, 0, 0.6),
    0 0 45px rgba(255, 105, 180, 0.5);
}

@keyframes headerGlow {
  from {
    text-shadow: 
      0 0 10px rgba(255, 255, 255, 0.8),
      0 0 20px rgba(100, 255, 218, 0.6),
      0 0 30px rgba(255, 215, 0, 0.4),
      0 0 40px rgba(255, 105, 180, 0.3);
  }
  to {
    text-shadow: 
      0 0 20px rgba(255, 255, 255, 1),
      0 0 30px rgba(100, 255, 218, 0.8),
      0 0 40px rgba(255, 215, 0, 0.6),
      0 0 50px rgba(255, 105, 180, 0.5);
  }
}

.nav-brand span::before {
  display: none;
}

.nav-brand:hover span {
  color: rgba(255, 255, 255, 1);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.8rem 0;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.6);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: rgba(255, 255, 255, 1);
}

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

/* Navigation App Button - Transparent Header Version */
.nav-app-btn {
  background: transparent !important;
  color: white !important;
  padding: 0.7rem 1.4rem !important;
  border-radius: 100px !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  font-weight: 500 !important;
  font-size: 0.9rem !important;
  letter-spacing: 0.02em !important;
  transition: all 0.3s ease !important;
  border: 2px solid;
  border-image: linear-gradient(
    45deg,
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual (accent) */
    #ffd700,           /* Amarillo */
    #ff69b4,           /* Rosado */
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual */
    #ffd700,           /* Amarillo */
    #ff69b4            /* Rosado */
  ) 1;
  animation: borderColorFlow 8s ease-in-out infinite;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) !important;
  position: relative !important;
}

@keyframes borderColorFlow {
  0% { filter: hue-rotate(0deg); }
  25% { filter: hue-rotate(90deg); }
  50% { filter: hue-rotate(180deg); }
  75% { filter: hue-rotate(270deg); }
  100% { filter: hue-rotate(360deg); }
}

.nav-app-btn span {
  background: linear-gradient(
    45deg,
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual (accent) */
    #ffd700,           /* Amarillo */
    #ff69b4,           /* Rosado */
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual */
    #ffd700,           /* Amarillo */
    #ff69b4            /* Rosado */
  );
  background-size: 400% 400%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: colorFlow 8s ease-in-out infinite;
}

.nav-app-btn:hover {
  background: transparent !important;
  transform: translateY(-1px) scale(1.02) !important;
  animation-duration: 4s;
}

.nav-app-btn:hover span {
  animation-duration: 4s;
}

.nav-app-btn::after {
  display: none !important;
}

.nav-app-btn i {
  font-size: 0.85rem;
  background: linear-gradient(
    45deg,
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual (accent) */
    #ffd700,           /* Amarillo */
    #ff69b4,           /* Rosado */
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual */
    #ffd700,           /* Amarillo */
    #ff69b4            /* Rosado */
  );
  background-size: 400% 400%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: colorFlow 8s ease-in-out infinite;
}

/* Removed rocket-pulse animation as it's no longer needed */

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.mobile-menu-toggle:hover {
  background-color: rgba(100, 255, 218, 0.1);
}

.mobile-menu-toggle span {
  width: 22px;
  height: 2px;
  background: #ff0000;
  margin: 2px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-4px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-4px, -5px);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 1rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.floating-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.floating-particles::before,
.floating-particles::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--gradient-accent);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.floating-particles::before {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-particles::after {
  bottom: 20%;
  right: 10%;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
  animation: slideInUp 1s ease-out;
}

.animated-text {
  background: linear-gradient(
    45deg,
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual (accent) */
    #ffd700,           /* Amarillo */
    #ff69b4,           /* Rosado */
    #ffffff,           /* Blanco */
    #64ffda,           /* Color actual */
    #ffd700,           /* Amarillo */
    #ff69b4            /* Rosado */
  );
  background-size: 400% 400%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: colorFlow 8s ease-in-out infinite;
  position: relative;
  display: inline-block;
}

.animated-text::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}

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

@keyframes colorFlow {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero p {
  max-width: 700px;
  margin-bottom: 2.5rem;
  color: var(--light-text-color);
  font-size: 1.2rem;
  line-height: 1.8;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.hero .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--gradient-accent);
  color: var(--primary-color);
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(100, 255, 218, 0.3);
  animation: slideInUp 1s ease-out 0.4s both;
}

.app-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--gradient-secondary);
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
  animation: slideInUp 1s ease-out 0.6s both;
}

.app-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(240, 147, 251, 0.5);
}

.app-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 2.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 60px;
  font-weight: 600;
  font-size: 1.1rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.4s ease;
  box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
  position: relative;
  overflow: hidden;
}

.app-btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.app-btn-secondary:hover::before {
  left: 100%;
}

.app-btn-secondary:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 50px rgba(102, 126, 234, 0.6);
}

.app-btn i:last-child,
.app-btn-secondary i:last-child {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

/* Loading state for buttons */
.app-btn.loading,
.app-btn-secondary.loading {
  pointer-events: none;
  opacity: 0.8;
}

.app-btn.loading i,
.app-btn-secondary.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Success state */
.app-btn.success,
.app-btn-secondary.success {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%) !important;
}

.gallery-access-btn {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out 0.5s both;
}

.hero .cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(100, 255, 218, 0.5);
}

.hero .cta-btn i {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-5px); }
  60% { transform: translateY(-3px); }
}

.hero-animation {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  opacity: 0.1;
  animation: slideInRight 1s ease-out 0.6s both;
}

.science-icons {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.science-icons i {
  font-size: 3rem;
  color: var(--accent-color);
  animation: float 3s ease-in-out infinite;
}

.science-icons i:nth-child(2) { animation-delay: 0.5s; }
.science-icons i:nth-child(3) { animation-delay: 1s; }
.science-icons i:nth-child(4) { animation-delay: 1.5s; }
.science-icons i:nth-child(5) { animation-delay: 2s; }

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px) translateY(-50%);
  }
  to {
    opacity: 0.1;
    transform: translateX(0) translateY(-50%);
  }
}

/* Parallax Sections */
.parallax-section {
  position: relative;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.9) 0%, rgba(17, 34, 64, 0.8) 100%);
  z-index: 1;
}

.section-content {
  position: relative;
  z-index: 2;
}

.section {
  padding: 6rem 1rem;
  scroll-margin-top: 6rem;
}

.section h2 {
  text-align: center;
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.features-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background: rgba(17, 34, 64, 0.8);
  border: 1px solid rgba(100, 255, 218, 0.1);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transform-style: preserve-3d;
}

.card-hover-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.feature-card:hover .card-hover-image {
  opacity: 0.1;
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  transition: all 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-10px) rotateX(10deg);
  box-shadow: 0 20px 40px rgba(100, 255, 218, 0.2);
  border-color: rgba(100, 255, 218, 0.3);
}

.feature-card:hover .card-icon {
  transform: scale(1.1) rotateY(10deg);
  box-shadow: 0 10px 20px rgba(100, 255, 218, 0.3);
}

.feature-card h3 {
  margin-bottom: 1.5rem;
  color: var(--accent-color);
  font-size: 1.5rem;
  font-weight: 600;
}

.feature-card p {
  color: var(--light-text-color);
  font-size: 1rem;
  line-height: 1.7;
  transition: color 0.3s ease;
}

.feature-card:hover p {
  color: var(--text-color);
}

/* Tilt Effect */
[data-tilt] {
  transform-style: preserve-3d;
}

/* Responsive Design */
@media (max-width: 768px) {
  header {
    margin: 0;
    width: 100%;
    border-radius: 0;
    padding: 1rem 0;
  }
  
  header::before {
    border-radius: 0;
  }
  
  .nav-container {
    padding: 0 1.5rem;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: transparent;
    backdrop-filter: none;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    gap: 2rem;
    transition: left 0.4s ease;
    z-index: 999;
    border: none;
    box-shadow: none;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links li {
    width: 100%;
    text-align: center;
  }
  
  .nav-links a {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-app-btn {
    margin: 1rem auto !important;
    width: fit-content !important;
    justify-content: center !important;
    border-bottom: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Footer Responsive */
  .footer-container {
    padding: 0 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .footer-legal {
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .app-btn, .hero .cta-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .app-btn-secondary {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
  
  .hero-animation {
    display: none;
  }
  
  .section h2 {
    font-size: 2.5rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .parallax-section {
    background-attachment: scroll;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 4rem 1rem 2rem;
  }
  
  .section {
    padding: 4rem 1rem;
  }
  
  .feature-card {
    padding: 2rem 1.5rem;
  }
  
  .gallery-item {
    height: 250px;
  }
}

footer {
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(100, 255, 218, 0.08);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.98) 0%, rgba(17, 34, 64, 0.95) 100%);
  z-index: -1;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding: 3rem 0 2rem;
  border-bottom: 1px solid rgba(100, 255, 218, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 38px;
  filter: drop-shadow(0 2px 8px rgba(100, 255, 218, 0.3));
}

.footer-brand span {
  font-size: 1.3rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-color) 0%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-section h4 {
  color: var(--accent-color);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section li {
  margin-bottom: 0.6rem;
}

.footer-section a {
  color: var(--light-text-color);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding: 0.2rem 0;
}

.footer-section a:hover {
  color: var(--accent-color);
  transform: translateX(3px);
}

.footer-bottom {
  padding: 1.5rem 0;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--light-text-color);
  font-size: 0.85rem;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--light-text-color);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s ease;
  position: relative;
}

.footer-legal a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.footer-legal a:hover {
  color: var(--accent-color);
}

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

/* Footer animations */
.footer-section {
  animation: fadeInUp 0.6s ease-out;
}

.footer-section:nth-child(2) {
  animation-delay: 0.1s;
}

.footer-section:nth-child(3) {
  animation-delay: 0.2s;
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* Robot Assistant */
.robot-assistant {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  cursor: pointer;
  transition: all 0.3s ease;
}

.robot-assistant:hover {
  transform: scale(1.1);
}

.robot-gif {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(100, 255, 218, 0.3);
  transition: all 0.3s ease;
  animation: robotFloat 3s ease-in-out infinite;
}

.robot-gif:hover {
  box-shadow: 0 8px 30px rgba(100, 255, 218, 0.5);
}

.robot-tooltip {
  position: absolute;
  bottom: 90px;
  right: 0;
  background: var(--secondary-color);
  color: var(--accent-color);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  border: 1px solid var(--accent-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.robot-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  right: 20px;
  border: 5px solid transparent;
  border-top-color: var(--accent-color);
}

.robot-assistant:hover .robot-tooltip {
  opacity: 1;
  transform: translateY(0);
}

@keyframes robotFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Responsive adjustments for robot */
@media (max-width: 768px) {
  .robot-assistant {
    bottom: 15px;
    right: 15px;
  }
  
  .robot-gif {
    width: 60px;
    height: 60px;
  }
  
  .robot-tooltip {
    font-size: 11px;
    padding: 6px 10px;
    bottom: 70px;
  }
}