:root {
  --gradient-start: #6a11cb;
  --gradient-end: #2575fc;
  --text-light: #ffffff;
  --spacing: 2rem;
  --transition: 0.6s ease-out;
}

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

body {
  font-family: 'Segoe UI', sans-serif;
  color: var(--text-light);
  line-height: 1.6;
  scroll-behavior: smooth;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing);
  text-align: center;
}

.overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 1;
}

.nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.logo {
  height: 150px;
  background: transparent;
}

.addy-logo {
  height: 120px;
  margin-bottom: 1rem;
  background: transparent;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
  padding-top: var(--spacing);
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-btn {
  background-color: var(--text-light);
  color: var(--gradient-start);
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 25px;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-btn:hover {
  background-color: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing);
  padding: 4rem 10%;
  background: #f8f9fa;
  color: #333;
  text-align: center;
}

.feature-item {
  background: #fff;
  padding: 2.5rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp var(--transition) forwards;
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-item .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-item h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--gradient-start);
}

.integrations {
  padding: 4rem 10%;
  text-align: center;
  background: #fff;
  color: #333;
}

.integrations h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--gradient-start);
}

.integrations .logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.integrations img {
  height: 60px;
  opacity: 0.7;
  transition: all var(--transition);
  filter: grayscale(100%);
}

.integrations img:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.1);
}

.contact {
  padding: 4rem 10%;
  background: linear-gradient(135deg, var(--gradient-end), var(--gradient-start));
  text-align: center;
}

.contact h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 500px;
  margin: 0 auto;
}

#contact-form input,
#contact-form textarea {
  padding: 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  background: rgba(255,255,255,0.9);
}

#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  background: rgba(255,255,255,1);
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.footer {
  text-align: center;
  padding: 2rem;
  background: #1a1a1a;
  color: #ccc;
}

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

.fade-in {
  opacity: 0;
  animation: fadeInUp var(--transition) forwards;
}

.fade-in-delay-1 { animation-delay: 0.2s; }
.fade-in-delay-2 { animation-delay: 0.4s; }
.fade-in-delay-3 { animation-delay: 0.6s; }
.fade-in-delay-4 { animation-delay: 0.8s; }

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content h1 { 
    font-size: 2rem; 
  }

  .hero-content .addy-logo {
    height: 80px;
  }

  .features { 
    padding: 2rem 5%;
    grid-template-columns: 1fr;
  }

  .contact { 
    padding: 2rem 5%; 
  }

  .integrations {
    padding: 2rem 5%;
  }

  .integrations .logos {
    gap: 1.5rem;
  }

  .nav {
    flex-direction: column;
    gap: 1rem;
  }

  .logo {
    height: 35px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 1rem;
  }

  .hero-content h1 {
    font-size: 1.7rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .feature-item {
    padding: 2rem 1rem;
  }
}