:root {
  --primary-color: #00bcd4;
  --primary-hover: #00acc1;
  --background: #ffffff;
  --text-color: #2c3e50;
  --card-background: #f8f9fa;
  --card-border: #e9ecef;
  --animation-duration: 0.3s;
  --gradient-start: #00bcd4;
  --gradient-end: #3f51b5;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--text-color);
  background: var(--background);
}

#app {
  width: 100%;
  min-height: 100vh;
}

/* Hero Section */
.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  margin: 0;
  padding: 2rem;
  color: white;
  position: relative;
  overflow: hidden;
  width: 100vw;
}

.hero::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(45deg);
  animation: shine 8s linear infinite;
}

.hero-content {
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
  position: relative;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: float 6s ease-in-out infinite;
}

.tagline {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  animation: float 6s ease-in-out infinite 0.5s;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--animation-duration);
  position: relative;
  overflow: hidden;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(45deg);
  transition: all 0.3s;
  opacity: 0;
}

.cta-button:hover::after {
  opacity: 1;
  transform: rotate(45deg) translate(50%, 50%);
}

/* Features Section */
.features {
  padding: 4rem 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.features h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 0 2rem;
}

.feature-card {
  background: var(--card-background);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  transition: all var(--animation-duration);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
  animation: pulse 2s infinite;
}

/* Commands Section */
.commands {
  padding: 4rem 0;
  background: var(--card-background);
  width: 100vw;
}

.commands h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.command-item {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  transition: all var(--animation-duration);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.command-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.command-item h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.command-item p {
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.command-item small {
  display: block;
  color: #666;
  font-style: italic;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* How It Works Section */
.how-it-works {
  padding: 4rem 0;
  text-align: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.how-it-works h2 {
  margin-bottom: 3rem;
  font-size: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 0 2rem;
}

.step {
  padding: 2rem;
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  font-weight: bold;
  animation: bounce 2s infinite;
}

/* About Section */
.about {
  padding: 4rem 0;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.about h2 {
  margin-bottom: 2rem;
  font-size: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Footer */
footer {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--card-border);
  width: 100%;
}

.footer-links {
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 1rem;
  transition: all var(--animation-duration);
}

.footer-links a:hover {
  color: var(--primary-hover);
  text-shadow: 0 0 10px rgba(0, 188, 212, 0.3);
}

.footer-text {
  color: #666;
  animation: colorPulse 4s infinite;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes shine {
  from {
    transform: rotate(45deg) translateY(-100%);
  }
  to {
    transform: rotate(45deg) translateY(100%);
  }
}

@keyframes colorPulse {
  0%,
  100% {
    color: #666;
  }
  50% {
    color: var(--primary-color);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }

  .tagline {
    font-size: 1.2rem;
  }

  .features-grid,
  .commands-grid {
    grid-template-columns: 1fr;
  }

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

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}