:root {
  /* Main color palette */
  --primary-1: #6c63ff; /* Main brand color - purple */
  --primary-2: #4ed8e0; /* Secondary color - teal */
  --primary-3: #ff9d72; /* Accent color - coral */
  --primary-4: #f6e05e; /* Highlight color - yellow */
  --primary-5: #84c991; /* Success color - green */
  
  /* Shades */
  --primary-1-light: #9390ff;
  --primary-1-dark: #4a42d5;
  --primary-2-light: #7ae6ed;
  --primary-2-dark: #2aacb4;
  --primary-3-light: #ffb99a;
  --primary-3-dark: #e87e4d;
  --primary-4-light: #f9eb8e;
  --primary-4-dark: #e6ca2e;
  --primary-5-light: #a8dbb1;
  --primary-5-dark: #5fad6d;
  
  /* Neutrals */
  --gray-100: #f7fafc;
  --gray-200: #edf2f7;
  --gray-300: #e2e8f0;
  --gray-400: #cbd5e0;
  --gray-500: #a0aec0;
  --gray-600: #718096;
  --gray-700: #4a5568;
  --gray-800: #2d3748;
  --gray-900: #1a202c;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-100);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-1);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary-1-dark);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container styles */
.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

section {
  padding: 80px 0;
}

/* Button styles */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-1);
  color: white;
  border: 2px solid var(--primary-1);
}

.btn-primary:hover {
  background-color: var(--primary-1-dark);
  border-color: var(--primary-1-dark);
  color: white;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-1);
  color: var(--primary-1);
}

.btn-outline:hover {
  background-color: var(--primary-1);
  color: white;
}

/* Header styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 15px 0;
  transition: all 0.3s ease;
}

.header-scrolled {
  padding: 10px 0;
  background-color: white;
}

.logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
}

.nav-link {
  font-weight: 500;
  padding: 0.5rem 1rem;
  color: var(--gray-700);
}

.nav-link:hover {
  color: var(--primary-1);
}

/* Hero section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--gray-100);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 30px 0;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.hero-subtitle {
  font-size: 1rem;
  margin-bottom: 2rem;
  color: var(--gray-700);
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-image {
  position: relative;
  z-index: 1;
}

/* About section */
.about-section {
  position: relative;
  overflow: hidden;
  background-color: white;
}

.about-image {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.about-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.about-desc {
  margin-bottom: 2rem;
}

.about-feature {
  margin-bottom: 30px;
}

.about-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--primary-1-light);
  border-radius: 50%;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1rem;
}

.about-feature-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.about-feature-desc {
  color: var(--gray-700);
}

/* Services section */
.services-section {
  position: relative;
  background-color: var(--gray-100);
  overflow: hidden;
}

.services-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.services-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.services-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.service-card {
  background-color: white;
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 30px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-1-light);
  color: white;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 1rem;
}

.service-name {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.service-desc {
  color: var(--gray-700);
  margin-bottom: 15px;
}

.service-features {
  padding-left: 20px;
  margin-bottom: 15px;
}

.service-features li {
  margin-bottom: 8px;
  position: relative;
}

.service-features li:before {
  content: '✓';
  color: var(--primary-1);
  position: absolute;
  left: -20px;
}

.service-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-1);
}

/* Features section */
.features-section {
  position: relative;
  background-color: white;
  overflow: hidden;
}

.features-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.features-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.features-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.feature-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: var(--primary-1-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  color: white;
  font-size: 1rem;
}

.feature-content {
  flex-grow: 1;
}

.feature-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-desc {
  color: var(--gray-700);
}

/* Price Plan section */
.priceplan-section {
  position: relative;
  background-color: var(--gray-100);
  overflow: hidden;
}

.priceplan-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.priceplan-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.priceplan-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.price-card {
  background-color: white;
  border-radius: 8px;
  padding: 40px 30px;
  margin-bottom: 30px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.price-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.popular-badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--primary-1);
  color: white;
  padding: 5px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  transform: rotate(45deg) translateX(20px) translateY(-10px);
  width: 150px;
  text-align: center;
}

.price-name {
  font-size: 1rem;
  margin-bottom: 15px;
}

.price-desc {
  color: var(--gray-700);
  margin-bottom: 20px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-1);
  margin-bottom: 20px;
}

.price-duration {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.price-features {
  text-align: left;
  padding-left: 20px;
  margin-bottom: 30px;
  list-style: none;
}

.price-features li {
  margin-bottom: 10px;
  position: relative;
}

.price-features li:before {
  content: '✓';
  color: var(--primary-1);
  position: absolute;
  left: -20px;
}

/* Team section */
.team-section {
  position: relative;
  background-color: white;
  overflow: hidden;
}

.team-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.team-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.team-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.team-member {
  margin-bottom: 30px;
  text-align: center;
}

.team-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 20px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.team-image img {
  object-fit: cover;
  width: 100%;
  height: 100%;
  transition: all 0.3s ease;
}

.team-image:hover img {
  transform: scale(1.1);
}

.team-name {
  font-size: 1.3rem;
  margin-bottom: 5px;
}

.team-role {
  color: var(--primary-1);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

/* Reviews section */
.reviews-section {
  position: relative;
  background-color: var(--gray-100);
  overflow: hidden;
}

.reviews-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.reviews-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.reviews-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.review-card {
  background-color: white;
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 30px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.review-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.review-text {
  margin-bottom: 20px;
  font-style: italic;
  position: relative;
  padding-left: 20px;
}

.review-text:before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-1-light);
  position: absolute;
  top: -20px;
  left: -10px;
  opacity: 0.3;
}

.review-author {
  font-weight: 600;
  display: flex;
  align-items: center;
}

.review-author-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: 15px;
}

.review-author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-author-name {
  font-size: 1.1rem;
}

.review-author-title {
  font-size: 0.8rem;
  color: var(--gray-600);
  font-weight: normal;
}

/* Core Info section */
.coreinfo-section {
  position: relative;
  background-color: white;
  overflow: hidden;
}

.coreinfo-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.coreinfo-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.coreinfo-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.coreinfo-item {
  margin-bottom: 30px;
  text-align: center;
}

.coreinfo-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-1-light);
  color: white;
  border-radius: 50%;
  margin-bottom: 20px;
  font-size: 1rem;
  margin-left: auto;
  margin-right: auto;
}

.coreinfo-item-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.coreinfo-item-desc {
  color: var(--gray-700);
}

/* Contact section */
.contact-section {
  position: relative;
  background-color: var(--gray-100);
  overflow: hidden;
}

.contact-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.contact-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form {
  background-color: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 25px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  font-size: 1rem;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-1);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

textarea.form-control {
  min-height: 150px;
}

.contact-info {
  margin-bottom: 30px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-1-light);
  color: white;
  border-radius: 50%;
  margin-right: 15px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-content {
  flex-grow: 1;
}

.contact-info-title {
  font-weight: 600;
  margin-bottom: 5px;
}

/* Blog section */
.blog-section {
  position: relative;
  background-color: white;
  overflow: hidden;
}

.blog-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.blog-subtitle {
  font-size: 1.2rem;
  color: var(--primary-1);
  margin-bottom: 1.5rem;
}

.blog-desc {
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.blog-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  transition: all 0.3s ease;
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.blog-image {
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.1);
}

.blog-content {
  padding: 25px;
}

.blog-meta {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.blog-date {
  margin-right: 15px;
  display: flex;
  align-items: center;
}

.blog-date i, .blog-author i {
  margin-right: 5px;
}

.blog-date i {
  color: var(--primary-1);
}

.blog-item-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.blog-item-excerpt {
  color: var(--gray-700);
  margin-bottom: 15px;
}

.blog-item-link {
  font-weight: 600;
  color: var(--primary-1);
  display: inline-flex;
  align-items: center;
}

.blog-item-link i {
  margin-left: 5px;
  transition: all 0.3s ease;
}

.blog-item-link:hover i {
  transform: translateX(5px);
}

/* Footer */
footer {
  background-color: var(--gray-900);
  color: white;
  padding: 70px 0 20px;
  position: relative;
}

.footer-logo {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
}

.footer-desc {
  margin-bottom: 30px;
  color: var(--gray-400);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 25px;
  color: white;
  position: relative;
  padding-bottom: 10px;
}

.footer-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-1);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 15px;
}

.footer-links a {
  color: var(--gray-400);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.footer-contact {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
}

.footer-contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin-right: 15px;
  color: var(--primary-1);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.footer-contact-content {
  flex-grow: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  margin-top: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-copyright {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
}

.footer-bottom-links a {
  color: var(--gray-500);
  margin-left: 20px;
  font-size: 0.9rem;
}

.footer-bottom-links a:hover {
  color: white;
}

/* Animations and effects */
.shape-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.shape-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 80px;
}

.shape-divider .shape-fill {
  fill: white;
}

.shape-divider-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: rotate(180deg);
}

.shape-divider-top svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 80px;
}

.shape-divider-top .shape-fill {
  fill: white;
}

/* Animation styles */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* CSS styles for index_space.html */
#space {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background-color: var(--gray-100);
}

/* Additional page styles */
.inner-page-hero {
  padding-top: 150px;
  padding-bottom: 80px;
  background-color: var(--primary-1-light);
  background-image: linear-gradient(135deg, var(--primary-1-light) 0%, var(--primary-1) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.inner-page-title {
  font-size: 2.5rem;
  color: white;
  margin-bottom: 1rem;
}

.inner-page-desc {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.9);
}

/* Decorative elements */
.blob-shape {
  position: absolute;
  z-index: 0;
  opacity: 0.1;
}

.blob-1 {
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background-color: var(--primary-1);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: blob-morph 15s linear infinite alternate;
}

.blob-2 {
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background-color: var(--primary-2);
  border-radius: 50% 50% 70% 30% / 30% 50% 50% 70%;
  animation: blob-morph 18s linear infinite alternate;
}

@keyframes blob-morph {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  25% {
    border-radius: 50% 50% 30% 70% / 70% 50% 50% 30%;
  }
  50% {
    border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
  }
  75% {
    border-radius: 30% 50% 50% 70% / 70% 30% 70% 30%;
  }
  100% {
    border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
  }
}

/* Graph neural network specific styles */
.network-visualization {
  position: relative;
  height: 400px;
  background-color: var(--gray-900);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.network-node {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: var(--primary-1);
  border-radius: 50%;
  animation: node-pulse 3s infinite alternate;
}

.network-edge {
  position: absolute;
  height: 2px;
  background-color: var(--primary-1-light);
  transform-origin: left center;
  opacity: 0.6;
}

@keyframes node-pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.7);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 10px rgba(108, 99, 255, 0);
  }
  100% {
    transform: scale(1);
  }
}

/* Responsive modifications */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
  
  .hero-title {
    font-size: 4rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .hero-title {
    font-size: 4.5rem;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .hero-title {
    font-size: 5rem;
  }
}

@media (max-width: 991.98px) {
  section {
    padding: 60px 0;
  }
  
  .about-image {
    margin-bottom: 30px;
  }
  
  .hero-content {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 50px 0;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 575.98px) {
  section {
    padding: 40px 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 1rem;
  }
  
  .contact-form {
    padding: 20px;
  }
}