/* Enhanced Animations and utilities */
@keyframes fade-in-up {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-left {
  0% {
    opacity: 0;
    transform: translateX(-60px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-right {
  0% {
    opacity: 0;
    transform: translateX(60px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  25% {
    transform: translateY(-15px) translateX(5px);
  }
  50% {
    transform: translateY(-10px) translateX(-5px);
  }
  75% {
    transform: translateY(-5px) translateX(10px);
  }
}

@keyframes float-delayed {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  25% {
    transform: translateY(-20px) translateX(-10px);
  }
  50% {
    transform: translateY(-15px) translateX(15px);
  }
  75% {
    transform: translateY(-25px) translateX(-5px);
  }
}

@keyframes float-reverse {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  25% {
    transform: translateY(15px) translateX(-5px);
  }
  50% {
    transform: translateY(10px) translateX(5px);
  }
  75% {
    transform: translateY(5px) translateX(-10px);
  }
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.animate-fade-in-up {
  animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-slide-in-left {
  animation: slide-in-left 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-slide-in-right {
  animation: slide-in-right 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-scale-in {
  animation: scale-in 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-float-gentle {
  animation: float-gentle 3s ease-in-out infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-delayed 8s ease-in-out infinite;
}

.animate-float-reverse {
  animation: float-reverse 7s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

.animate-rotate-slow {
  animation: rotate-slow 20s linear infinite;
}

.animate-shimmer {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

.animate-fade-in-up.delay-100 {
  animation-delay: 0.1s;
}

.animate-fade-in-up.delay-200 {
  animation-delay: 0.2s;
}

.animate-fade-in-up.delay-300 {
  animation-delay: 0.3s;
}

.animate-fade-in-up.delay-400 {
  animation-delay: 0.4s;
}

.animate-fade-in-up.delay-500 {
  animation-delay: 0.5s;
}

.animate-fade-in-up.delay-600 {
  animation-delay: 0.6s;
}

.animate-fade-in-up.delay-700 {
  animation-delay: 0.7s;
}

.animate-fade-in-up.delay-800 {
  animation-delay: 0.8s;
}

/* Hover effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.hover-glow {
  transition: all 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.hover-scale {
  transition: transform 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Glass morphism effects */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fade-in 1s both;
}

@keyframes pulse-slow {
  0%,
  100% {
    opacity: 0.2;
  }

  50% {
    opacity: 0.4;
  }
}

.animate-pulse-slow {
  animation: pulse-slow 3s infinite;
}

.glassy-footer {
  background: var(--secondary);
  border-radius: 1.5rem 1.5rem 0 0 !important;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
  border: none !important;
}

.loader-dot:nth-child(4) {
  animation-delay: 0.6s;
}

@keyframes loader-bounce {
  0%,
  80%,
  100% {
    transform: scale(0.7);
    opacity: 0.7;
  }

  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
}

:root {
  --bg: #e0f2fe;
  --text: #2563eb;
  --primary: #0078d7;
  --secondary: #fff;
  --card-bg: #fff;
  --shadow: 0 2px 16px rgba(56, 189, 248, 0.08);
}

.nav-tabs {
  list-style: none;
  display: flex;
  gap: 2rem;
  padding: 0;
  margin: 0;
}

.nav-tabs li a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.nav-tabs li a:hover,
.nav-tabs li a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px 0 rgba(59, 130, 246, 0.1);
  border: 1.5px solid #38bdf8;
  transform: scale(1.07);
  z-index: 2;
  position: relative;
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.footer-content span {
  display: block;
  margin: 0.2rem 0;
}

.home-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  background: linear-gradient(120deg, var(--primary) 0%, var(--card-bg) 100%);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.hero-content {
  text-align: center;
  color: var(--text);
  padding: 2rem 1rem;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content .highlight {
  color: var(--primary);
}

.hero-content .subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.home-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(0, 120, 215, 0.1);
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn:hover,
.btn-secondary:hover {
  background: #005fa3;
  color: #fff;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  margin-top: 1.5rem;
  color: var(--primary);
  transition: color 0.2s;
}

.theme-toggle .icon-sun {
  display: inline;
}

.theme-toggle .icon-moon {
  display: none;
}

body.night .theme-toggle .icon-sun {
  display: none;
}

body.night .theme-toggle .icon-moon {
  display: inline;
}

/* Particles background container */
.particles-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}