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

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #222;
  scroll-behavior: smooth;
}

.navbar {
  position: static;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #2975c1 0%, #34495e 100%);
  height: 80px;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  max-height: 89px;
  height: auto;
  width: auto;
  cursor: pointer;
  transition: transform 0.3s ease;
  filter: brightness(0) invert(1);
}

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

.nav-logo img:active {
  animation: logoClick 0.5s ease;
}

@keyframes logoClick {
  0% { transform: scale(1); }
  25% { transform: scale(0.9) rotate(-5deg); }
  50% { transform: scale(1.1) rotate(5deg); }
  75% { transform: scale(0.95) rotate(-3deg); }
  100% { transform: scale(1) rotate(0deg); }
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  color: #ecf0f1;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links a:hover {
  color: #00bcd4;
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #00bcd4;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-links a:hover::after {
  width: 80%;
}

.parallax {
  background-image: url("../assets/parallax.jpg");
  min-height: 100vh;
  height: 100vh;
  position: relative;
  
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  
  display: flex;
  align-items: center;
  justify-content: center;
}

.parallax::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(63, 81, 181, 0.75), rgba(103, 58, 183, 0.75));
  z-index: 1;
}

.floating-logos {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.float-logo {
  position: absolute;
  width: 70px;
  height: 70px;
  opacity: 0.6;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  filter: grayscale(100%);
}

.logo1 {
  top: 25%;
  left: 15%;
  animation: floatDown 4s infinite;
  animation-delay: 0s;
}

.logo2 {
  top: 30%;
  right: 18%;
  animation: floatDown 5s infinite;
  animation-delay: 0.5s;
}

.logo3 {
  top: 55%;
  left: 12%;
  animation: floatDown 4.5s infinite;
  animation-delay: 1s;
}

.logo4 {
  top: 60%;
  right: 10%;
  animation: floatDown 5.5s infinite;
  animation-delay: 1.5s;
}

.logo5 {
  top: 35%;
  right: 35%;
  animation: floatDown 4.8s infinite;
  animation-delay: 0.8s;
}

.logo6 {
  top: 55%;
  left: 35%;
  animation: floatDown 5.2s infinite;
  animation-delay: 1.2s;
}

@keyframes floatDown {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  50% {
    opacity: 0.4;
  }
  100% {
    opacity: 0;
    transform: translateY(30px);
  }
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -20px) rotate(5deg); }
  50% { transform: translate(-15px, -30px) rotate(-5deg); }
  75% { transform: translate(25px, -15px) rotate(3deg); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-25px, 20px) rotate(-5deg); }
  50% { transform: translate(20px, 35px) rotate(5deg); }
  75% { transform: translate(-20px, 15px) rotate(-3deg); }
}

@keyframes float3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, 25px) rotate(7deg); }
  66% { transform: translate(-25px, 20px) rotate(-7deg); }
}

.parallax-content {
  z-index: 2;
  position: relative;
  text-align: center;
  color: #fff;
  animation: fadeInUp 1.2s ease-out;
}

.hero-title {
  font-size: 80px;
  font-weight: bold;
  margin: 0 0 20px 0;
  letter-spacing: 8px;
  text-transform: uppercase;
  text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
  animation: titleAnimation 3s ease-in-out infinite;
}

@keyframes titleAnimation {
  0%, 100% {
    letter-spacing: 8px;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
  }
  50% {
    letter-spacing: 12px;
    text-shadow: 6px 6px 12px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 255, 255, 0.3);
  }
}

.hero-subtitle {
  font-size: 24px;
  margin: 0;
  letter-spacing: 3px;
  font-weight: 300;
  opacity: 0.95;
}

.scroll-indicator {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
  color: #fff;
}

.scroll-indicator p {
  font-size: 12px;
  letter-spacing: 2px;
  margin: 0 0 15px 0;
  font-weight: 500;
  opacity: 0.9;
}

.arrow-down {
  width: 30px;
  height: 50px;
  margin: 0 auto;
  position: relative;
}

.arrow-down span {
  display: block;
  width: 20px;
  height: 20px;
  border-bottom: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg);
  margin: -10px auto;
  animation: scrollDown 2s infinite;
}

.arrow-down span:nth-child(2) {
  animation-delay: -0.2s;
}

@keyframes scrollDown {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-10px, -10px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(10px, 10px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  padding: 0;
  background: #fff;
}

.welcome-section {
  position: relative;
  min-height: 100vh;
  padding: 80px 12%;
  background-image: url("../assets/parallax 2.jpg");
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.welcome-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.85), rgba(156, 39, 176, 0.85));
  z-index: 1;
}

.welcome-floating-logos {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}

.welcome-logo {
  position: absolute;
  width: 70px;
  height: 70px;
  opacity: 0.6;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  filter: grayscale(100%);
}

.wlogo1 {
  top: 25%;
  left: 15%;
  animation: floatDown 4s infinite;
  animation-delay: 0s;
}

.wlogo2 {
  top: 30%;
  right: 18%;
  animation: floatDown 5s infinite;
  animation-delay: 0.5s;
}

.wlogo3 {
  top: 55%;
  left: 12%;
  animation: floatDown 4.5s infinite;
  animation-delay: 1s;
}

.wlogo4 {
  top: 60%;
  right: 10%;
  animation: floatDown 5.5s infinite;
  animation-delay: 1.5s;
}

.wlogo5 {
  top: 35%;
  right: 35%;
  animation: floatDown 4.8s infinite;
  animation-delay: 0.8s;
}

.wlogo6 {
  top: 55%;
  left: 35%;
  animation: floatDown 5.2s infinite;
  animation-delay: 1.2s;
}

.welcome-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  text-align: center;
  color: #fff;
}

.welcome-content h2 {
  margin-top: 0;
  font-size: 68px;
  margin-bottom: 25px;
  font-weight: bold;
  letter-spacing: 2px;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.4);
}

.welcome-content p {
  font-size: 24px;
  line-height: 1.8;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-weight: 300;
}

footer {
  background: #111;
  color: #aaa;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 15px;
    padding: 0 20px;
  }
  
  .nav-links {
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-links a {
    font-size: 14px;
    padding: 6px 10px;
  }
  
  .parallax {
    background-attachment: scroll;
  }
  
  .hero-title {
    font-size: 48px;
    letter-spacing: 4px;
  }
  
  .hero-subtitle {
    font-size: 16px;
    letter-spacing: 2px;
  }
  
  .scroll-indicator {
    bottom: 30px;
  }
  
  .welcome-section {
    padding: 60px 8%;
    background-attachment: scroll;
    min-height: 80vh;
  }
  
  .welcome-content h2 {
    font-size: 32px;
  }
  
  .welcome-content p {
    font-size: 16px;
  }
  
  .welcome-logo {
    width: 50px;
    height: 50px;
  }
}
.footer {
  background: linear-gradient(135deg, #5358bc 0%, #1a1a1a 100%);
  color: #aaa;
  padding: 60px 0 0 0;
  font-size: 14px;
  border-top: 2px solid rgba(0, 188, 212, 0.3);
}

.footer-top {
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 40px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-left-section {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.footer-logo {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.footer-logo img {
  height: 60px;
  width: 60px;
  filter: brightness(0) invert(1);
  flex-shrink: 0;
}

.footer-logo h3 {
  margin: 0;
  font-size: 24px;
  font-weight: bold;
  background: linear-gradient(135deg, #00bcd4, #9c27b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.tagline {
  margin: 8px 0 0 0;
  font-size: 14px;
  color: #888;
  font-weight: 300;
}

.footer-tech-section h5 {
  margin: 0 0 15px 0;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  font-weight: 600;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-badges span {
  background: rgba(0, 188, 212, 0.1);
  border: 1px solid rgba(0, 188, 212, 0.3);
  color: #00bcd4;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tech-badges span:hover {
  background: rgba(0, 188, 212, 0.2);
  border-color: #00bcd4;
  color: #fff;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-column h4 {
  margin: 0 0 20px 0;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  font-weight: 700;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-column ul li {
  margin: 0;
}

.footer-column ul a {
  color: #aaa;
  text-decoration: none;
  font-size: 13px;
  transition: all 0.3s ease;
}

.footer-column ul a:hover {
  color: #00bcd4;
}

.footer-column ul span {
  color: #aaa;
  font-size: 13px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 25px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  margin: 0;
  color: #666;
  font-size: 12px;
}

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  color: #aaa;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(0, 188, 212, 0.3);
  border-radius: 50%;
}

.footer-social a:hover {
  color: #00bcd4;
  background: rgba(0, 188, 212, 0.2);
  border-color: #00bcd4;
  transform: translateY(-2px);
}

@media (max-width: 1024px) {
  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .footer-top {
    padding: 30px 20px;
  }

  .footer-bottom {
    padding: 20px;
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-logo {
    gap: 15px;
  }

  .footer-logo img {
    height: 50px;
  }

  .footer-logo h3 {
    font-size: 20px;
  }

  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-column h4 {
    font-size: 11px;
  }

  .footer-column ul a {
    font-size: 12px;
  }

  .footer-tech-section h5 {
    font-size: 12px;
  }

  .tech-badges span {
    font-size: 11px;
    padding: 5px 10px;
  }

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

@media (max-width: 480px) {
  .footer-top {
    padding: 20px 15px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-copy {
    font-size: 11px;
  }

  .tech-badges {
    gap: 8px;
  }
}
.content-section {
  padding: 60px 0;
  background: #f8f9fa;
}

.content-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 30px;
  line-height: 1.8;
  color: #333;
}

.content-container h2 {
  font-size: 32px;
  color: #2975c1;
  margin-top: 40px;
  margin-bottom: 20px;
  border-bottom: 3px solid #2975c1;
  padding-bottom: 10px;
}

.content-container p {
  font-size: 16px;
  margin-bottom: 20px;
  color: #555;
}

.content-container ul {
  font-size: 16px;
  margin-left: 20px;
  margin-bottom: 20px;
}

.content-container li {
  margin-bottom: 10px;
}

.content-container img {
  max-width: 100%;
  height: auto;
  margin: 30px 0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.content-container video {
  max-width: 100%;
  height: auto;
  margin: 30px 0;
  border-radius: 8px;
}

.content-container pre {
  background: #f5f5f5;
  border-left: 4px solid #2975c1;
  padding: 15px;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: #333;
  overflow-x: auto;
  margin: 20px 0;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

#scrollToTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #2975c1 0%, #34495e 100%);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

#scrollToTopBtn.show {
  opacity: 1;
  visibility: visible;
}

#scrollToTopBtn:hover {
  background: linear-gradient(135deg, #1a5276 0%, #1f2937 100%);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-5px);
}

#scrollToTopBtn:active {
  transform: translateY(-2px);
}