/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
  font-family: "Inter", Arial, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
  scroll-behavior: smooth;
}
body.dark-mode {
  background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
  color: #e0e0e0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2.5rem;
  background: rgba(20, 20, 40, 0.2);
  backdrop-filter: blur(8px);
  z-index: 1000;
  transition: background 0.3s;
}
.navbar.solid {
  background: #181828;
}
.logo {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  transition: width 0.3s;
  position: absolute;
  left: 0;
  bottom: -4px;
}
.nav-links a:hover::after {
  width: 100%;
}
#dark-mode-toggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  transition: color 0.2s;
  padding: 0.5rem;
  border-radius: 50%;
}
#dark-mode-toggle:hover {
  color: #00f2fe;
  background: rgba(0, 242, 254, 0.1);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: radial-gradient(ellipse at 50% 30%, #00f2fe33 0%, #181828 80%);
  position: relative;
  text-align: center;
  padding-top: 6rem;
}
.hero-content h1 {
  font-size: 4rem;
  font-weight: 900;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  margin-bottom: 1rem;
  letter-spacing: 2px;
  animation: fadeInDown 1s;
}
.hero-content .tagline {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
  animation: fadeInUp 1.2s;
}
.hero-content .subheadline {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 2.5rem;
  color: #b2b8cf;
  max-width: 600px;
  line-height: 1.6;
  animation: fadeInUp 1.4s;
}
.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.btn {
  padding: 1rem 2.5rem;
  border-radius: 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
  box-shadow: 0 2px 16px 0 #00f2fe33;
  text-decoration: none;
  display: inline-block;
}
.btn-primary {
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  color: #181828;
  box-shadow: 0 4px 24px 0 #00f2fe44;
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 32px 0 #00f2fe66;
}
.btn-secondary {
  background: #23234a;
  color: #fff;
  border: 2px solid #00f2fe;
}
.btn-secondary:hover {
  background: #00f2fe;
  color: #181828;
}
.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 2.5rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.scroll-indicator span {
  display: block;
  width: 28px;
  height: 48px;
  border: 2px solid #00f2fe;
  border-radius: 16px;
  position: relative;
  box-sizing: border-box;
}
.scroll-indicator span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 10px;
  width: 6px;
  height: 6px;
  background: #00f2fe;
  border-radius: 50%;
  transform: translateX(-50%);
  animation: scrollDown 1.5s infinite;
}
@keyframes scrollDown {
  0% {
    top: 10px;
    opacity: 1;
  }
  80% {
    top: 28px;
    opacity: 0.2;
  }
  100% {
    top: 10px;
    opacity: 1;
  }
}

/* About Section */
.about-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #181828 60%, #23234a 100%);
}
.about-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-content {
  max-width: 800px;
  margin: 0 auto;
}
.about-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #00f2fe;
}
.about-text p {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  color: #b2b8cf;
}

/* Features Section */
.features-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #23234a 60%, #181828 100%);
  text-align: center;
}
.features-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.features-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  align-items: stretch;
}
.feature-card {
  background: #23234a;
  border-radius: 1.5rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 20px 0 #00f2fe22;
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInCard 1s forwards;
  animation-delay: 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  text-align: center;
  align-items: center;
}
.feature-card .icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: #00f2fe;
  display: flex;
  justify-content: center;
}
.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
  text-align: center;
}
.feature-card p {
  color: #b2b8cf;
  font-size: 1rem;
  line-height: 1.6;
  flex-grow: 1;
  text-align: center;
}
.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 8px 32px 0 #00f2fe44;
}
@keyframes fadeInCard {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tech Stack Section */
.tech-stack-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #181828 60%, #23234a 100%);
  text-align: center;
}
.tech-stack-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}
.tech-item {
  background: #23234a;
  border-radius: 1rem;
  padding: 2rem 1rem;
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
  text-align: center;
  align-items: center;
  justify-content: center;
}
.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px 0 #00f2fe33;
}
.tech-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #00f2fe;
  display: flex;
  justify-content: center;
}
.tech-item span {
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
}

/* Use Cases Section */
.use-cases-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #23234a 60%, #181828 100%);
}
.use-cases-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
  margin-bottom: 2rem;
}
.use-case-card {
  background: #23234a;
  border-radius: 1.5rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 20px 0 #00f2fe22;
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  text-align: center;
  align-items: center;
}
.use-case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px 0 #00f2fe44;
}
.use-case-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #00f2fe;
  display: flex;
  justify-content: center;
}
.use-case-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #00f2fe;
  text-align: center;
}
.use-case-card p {
  color: #b2b8cf;
  line-height: 1.6;
  flex-grow: 1;
  text-align: center;
}

/* Architecture Section */
.architecture-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #181828 60%, #23234a 100%);
  text-align: center;
}
.architecture-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.architecture-flow {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}
.flow-step {
  background: #23234a;
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  min-width: 200px;
  box-shadow: 0 4px 20px 0 #00f2fe22;
}
.flow-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #00f2fe;
  display: flex;
  justify-content: center;
}
.flow-step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #00f2fe;
}
.flow-step p {
  color: #b2b8cf;
  font-size: 0.9rem;
}
.flow-arrow {
  font-size: 2rem;
  color: #00f2fe;
  font-weight: bold;
  display: flex;
  align-items: center;
}
.architecture-modules {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}
.architecture-modules h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #00f2fe;
}
.architecture-modules ul {
  list-style: none;
}
.architecture-modules li {
  margin-bottom: 1rem;
  padding: 1rem;
  background: #23234a;
  border-radius: 0.5rem;
  color: #b2b8cf;
}
.architecture-modules strong {
  color: #00f2fe;
}

/* Architecture Flow Diagram */
.architecture-flow-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.arch-block {
  background: #4f6af7;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 1rem 2.2rem;
  border-radius: 2rem;
  box-shadow: 0 2px 12px 0 #4f6af733;
  text-align: center;
  min-width: 170px;
  transition: background 0.2s;
}
.arch-block:hover {
  background: #3a4bb3;
}
.arch-arrow {
  font-size: 2rem;
  color: #4f6af7;
  font-weight: bold;
  user-select: none;
}

/* Impact Metrics Section */
.impact-metrics-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #23234a 60%, #181828 100%);
  text-align: center;
}
.impact-metrics-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.metric-card {
  background: #23234a;
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  box-shadow: 0 4px 20px 0 #00f2fe22;
  transition: transform 0.25s, box-shadow 0.25s;
}
.metric-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px 0 #00f2fe44;
}
.metric-number {
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}
.metric-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}
.metric-card p {
  color: #b2b8cf;
}

/* Demo Section */
.demo-section {
  padding: 7rem 0 4rem 0;
  background: linear-gradient(135deg, #181828 60%, #23234a 100%);
  text-align: center;
}
.demo-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.demo-content {
  max-width: 800px;
  margin: 0 auto;
}
.demo-video {
  margin-bottom: 2rem;
}
.demo-video iframe {
  width: 100%;
  height: 450px;
  border-radius: 1rem;
  border: none;
  box-shadow: 0 4px 20px 0 #00f2fe22;
}
.demo-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Team Section */
.team-section {
  background: linear-gradient(135deg, #181f2a 0%, #23234a 100%);
  padding: 7rem 0 4rem 0;
  text-align: center;
}
.team-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 3rem;
  color: #fff;
}
.team-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.2rem;
  margin-bottom: 3rem;
  justify-content: center;
}
.team-card {
  background: linear-gradient(135deg, #23234a 0%, #223c64 100%);
  border-radius: 1.3rem;
  box-shadow: 0 4px 24px 0 #3a8fd822;
  padding: 2.5rem 1.5rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.team-card:hover {
  box-shadow: 0 8px 32px 0 #3a8fd822;
  transform: translateY(-4px) scale(1.03);
}
.team-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1.2rem auto;
  overflow: hidden;
  border: 3px solid #3a8fd8;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #23234a 0%, #223c64 100%);
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.team-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: #fff;
}
.team-card p {
  color: #b2b8cf;
  font-size: 1rem;
  margin-bottom: 1.1rem;
}
.profile-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 0.6rem;
  padding: 0.6rem 1.4rem;
  text-decoration: none;
  box-shadow: 0 2px 8px 0 #2563eb22;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.profile-btn i {
  font-size: 1.1rem;
}
.profile-btn:hover {
  background: #1741a6;
  color: #fff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 4px 16px 0 #2563eb33;
}
@media (max-width: 700px) {
  .team-cards {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

/* Footer */
.footer {
  background: #181f2a;
  color: #e0e6ed;
  padding: 3rem 0 1rem 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: #fff;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  margin-bottom: 0.7rem;
}
.footer-tagline {
  color: #b2b8cf;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}
.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}
.footer-social a {
  color: #e0e6ed;
  font-size: 1.2rem;
  transition: color 0.2s;
}
.footer-social a:hover {
  color: #00f2fe;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 0.7rem;
}
.footer-col ul li a {
  color: #e0e6ed;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.2s;
}
.footer-col ul li a:hover {
  color: #00f2fe;
}
.footer-connect li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
}
.footer-connect i {
  font-size: 1.1rem;
  color: #00f2fe;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #23234a;
  color: #b2b8cf;
  font-size: 0.98rem;
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}
@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .footer {
    padding: 2rem 0 0.5rem 0;
  }
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 900px) {
  .navbar {
    padding: 1rem 1.2rem;
  }
  .nav-links {
    gap: 1rem;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
  .hero-content .tagline {
    font-size: 1.5rem;
  }
  .architecture-flow {
    flex-direction: column;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
}
@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-content .tagline {
    font-size: 1.3rem;
  }
  .hero-content .subheadline {
    font-size: 1rem;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .navbar {
    flex-direction: column;
    gap: 0.7rem;
  }
  .nav-links {
    gap: 0.8rem;
    font-size: 0.9rem;
  }
  .demo-video iframe {
    height: 250px;
  }
  .features-cards,
  .tech-grid,
  .use-cases-grid,
  .metrics-grid,
  .team-cards {
    grid-template-columns: 1fr;
  }
}

/* Dark Mode Styles */
body.dark-mode .navbar {
  background: rgba(10, 10, 20, 0.7);
}
body.dark-mode .navbar.solid {
  background: #10101a;
}
body.dark-mode .feature-card,
body.dark-mode .tech-item,
body.dark-mode .use-case-card,
body.dark-mode .flow-step,
body.dark-mode .metric-card,
body.dark-mode .team-card {
  background: #10101a;
  color: #e0e0e0;
}
body.dark-mode .footer {
  background: #0a0a14;
  color: #b2b8cf;
}
body.dark-mode .btn-primary {
  background: linear-gradient(90deg, #4facfe, #00f2fe);
  color: #10101a;
}
body.dark-mode .btn-secondary {
  background: #181828;
  color: #fff;
  border: 2px solid #4facfe;
}
body.dark-mode .btn-secondary:hover {
  background: #4facfe;
  color: #10101a;
}

/* Center and align text in all cards */
.feature-card,
.use-case-card,
.tech-item,
.metric-card,
.team-card {
  text-align: center;
  align-items: center;
  justify-content: center;
}
.feature-card h3,
.use-case-card h3,
.tech-item span,
.metric-card h3,
.team-card h3 {
  text-align: center;
}
.feature-card p,
.use-case-card p,
.metric-card p,
.team-card p {
  text-align: center;
}

.codesage-arch-diagram-img {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2rem 0 2.5rem 0;
  width: 100%;
}
.codesage-arch-diagram-img svg {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  background: none;
}
.codesage-arch-diagram-img svg .arch-block {
  transition: filter 0.3s, transform 0.3s;
  cursor: pointer;
}
.codesage-arch-diagram-img svg .arch-block-group:hover .arch-block {
  filter: drop-shadow(0 0 16px #3a8fd8) brightness(1.1);
  transform: scale(1.07);
}
.codesage-arch-diagram-img svg .arch-block-group:hover text {
  fill: #0a2540;
}