name=css/styles.css :root {
  --primary-color: #00d4ff;
  --secondary-color: #0066ff;
  --accent-color: #80d0c7;
  --dark-bg: #0a0e27;
  --darker-bg: #050813;
  --text-light: #e0e0e0;
  --text-gray: #a0a0a0;
  --border-color: #1a1f3a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Open Sans", sans-serif;
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
  color: var(--text-light);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
}

.navbar-custom {
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.navbar-brand img {
  height: 46px;
  width: auto;
}

.navbar-brand i {
  margin-right: 0.5rem;
}

.nav-link {
  color: var(--text-light) !important;
  transition: color 0.3s ease;
  font-weight: 500;
}

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

.btn-login {
  color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
  padding: 3rem 0;
  background: linear-gradient(
    135deg,
    rgba(0, 20, 60, 0.5) 0%,
    rgba(10, 14, 39, 0.8) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    var(--secondary-color) 0%,
    transparent 70%
  );
  border-radius: 50%;
  top: 10%;
  right: 5%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.hero-subtitle {
  color: var(--primary-color);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.hero-highlight {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.hero-text {
  color: var(--text-gray);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border: none;
  color: var(--dark-bg) !important;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline-primary {
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: var(--dark-bg);
}

.btn-outline-light {
  border: 2px solid white;
  color: white;
}

.btn-outline-light:hover {
  background: white;
  color: var(--dark-bg);
}

/* Hero Graphics */
.hero-graphic {
  position: relative;
  height: 400px;
}

.ai-sphere {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle at 30% 30%,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  opacity: 0.15;
  animation: rotate 20s linear infinite;
  top: 50px;
  left: 50px;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 20px 25px;
  border-radius: 15px;
  text-align: center;
  animation: float 4s ease-in-out infinite;
}

.card-1 {
  top: 50px;
  right: 0;
}

.card-2 {
  top: 180px;
  right: -30px;
  animation-delay: 1s;
}

.card-3 {
  bottom: 50px;
  right: 80px;
  animation-delay: 2s;
}

.floating-card i {
  font-size: 2rem;
  color: var(--primary-color);
  display: block;
  margin-bottom: 10px;
}

.floating-card p {
  color: var(--text-light);
  margin: 0;
  font-size: 0.9rem;
}

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

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Featured Section */
.featured-section {
  padding: 4rem 0;
  background: rgba(0, 102, 255, 0.03);
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 15px;
  height: 100%;
}

.feature-card h4 {
  color: var(--primary-color);
  font-weight: 600;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-gray);
}

.feature-item i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

.feature-card-overlay {
  position: relative;
}

.placeholder-image {
  height: 400px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.3);
}

.gradient-blue {
  background: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
}

.gradient-cyan {
  background: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
}

.gradient-teal {
  background: linear-gradient(135deg, #80d0c7 0%, #00d4ff 100%);
}

.overlay-content {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  padding: 2rem;
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
}

.overlay-content h4 {
  margin-bottom: 1rem;
}

.overlay-content h5 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

/* Section Styling */
.section-padding {
  padding: 4rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-gray);
  font-size: 1.1rem;
}

/* Features Section */
.features-section {
  background: linear-gradient(
    135deg,
    rgba(0, 102, 255, 0.05) 0%,
    rgba(128, 208, 199, 0.05) 100%
  );
}

.feature-tabs {
  border-bottom: 2px solid var(--border-color);
  gap: 2rem;
}

.feature-tabs .nav-link {
  color: var(--text-gray) !important;
  border: none;
  font-weight: 600;
  padding-bottom: 1rem;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.feature-tabs .nav-link.active {
  color: var(--primary-color) !important;
  border-bottom-color: var(--primary-color);
}

.feature-card-box {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 15px;
  transition: all 0.3s ease;
  height: 100%;
}

.feature-card-box:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.icon-box {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-card-box h5 {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-weight: 600;
}

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

/* Timeline Section */
.timeline-section {
  background: rgba(0, 20, 60, 0.3);
}

.step-content h4 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.step-content p {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.step-list {
  list-style: none;
  padding: 0;
}

.step-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-light);
}

.step-list i {
  color: var(--primary-color);
  font-weight: bold;
}

.step-image {
  height: 300px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
}

/* FAQ Section */
.faq-section {
  background: rgba(255, 255, 255, 0.02);
}

.accordion-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  border-radius: 10px;
}

.accordion-button {
  background: transparent !important;
  color: var(--text-light);
  font-weight: 600;
  padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  box-shadow: none;
}

.accordion-body {
  color: var(--text-gray);
  padding: 1.5rem;
}

/* Demo Section */
.demo-section {
  background: linear-gradient(
    135deg,
    rgba(0, 102, 255, 0.05) 0%,
    rgba(128, 208, 199, 0.05) 100%
  );
}

.demo-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.demo-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.demo-header {
  padding: 2rem;
  background: rgba(0, 0, 0, 0.2);
}

.demo-header h4 {
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.demo-header p {
  margin: 0;
}

.demo-video-container {
  padding: 1.5rem;
}

.demo-video-container .placeholder-image {
  cursor: pointer;
  transition: transform 0.3s ease;
}

.demo-video-container .placeholder-image:hover {
  transform: scale(1.05);
}

.demo-details {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
}

.demo-details h5 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.demo-details ul {
  list-style: none;
  padding: 0;
}

.demo-details li {
  color: var(--text-gray);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.demo-details li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--accent-color) 100%
  );
  padding: 4rem 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--dark-bg);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(10, 14, 39, 0.8);
  font-size: 1.1rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
  color: var(--text-gray);
}

.footer-brand {
  color: var(--primary-color) !important;
  font-weight: 700;
  text-decoration: none;
}

.footer-title {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--dark-bg);
}

/* Modal */
.modal-content {
  background: rgba(10, 14, 39, 0.95);
  border: 1px solid var(--border-color);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  color: var(--text-light);
  font-weight: 600;
}

.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-light);
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
}

.form-label {
  color: var(--text-light);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .feature-tabs {
    gap: 0.5rem;
    overflow-x: auto;
  }

  .feature-tabs .nav-link {
    font-size: 0.9rem;
    padding: 0.5rem;
  }

  .step-image {
    height: 200px;
    margin-top: 2rem;
  }

  .floating-card {
    width: 80px;
    padding: 10px !important;
  }

  .floating-card i {
    font-size: 1.5rem;
  }

  .floating-card p {
    font-size: 0.75rem;
  }
}