/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Variables */
:root {
  --primary-color: #8e44ad;
  --secondary-color: #3498db;
  --accent-color: #f39c12;
  --text-color: #2c3e50;
  --light-text: #f5f5f5;
  --background-color: #f9f9f9;
  --card-background: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --container-width: 1200px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* Header */
header {
  background-color: #fff;
  box-shadow: var(--shadow);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo-icon {
  height: 2rem;
  width: 2rem;
  margin-right: 0.5rem;
  color: var(--primary-color);
}

nav ul {
  display: flex;
  list-style: none;
}

nav li {
  margin-left: 2rem;
}

nav a {
  color: var(--text-color);
  font-weight: 600;
}

nav a:hover {
  color: var(--primary-color);
}

.btn-nav {
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
}

.btn-nav:hover {
  background-color: var(--secondary-color);
  color: white;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--light-text);
  text-align: center;
  padding: 10rem 0 6rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--accent-color);
  position: relative;
  z-index: 1;
}

.hero-text {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-block;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background-color: #e67e22;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
  background-color: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  background-color: rgba(142, 68, 173, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.feature-icon svg {
  width: 2rem;
  height: 2rem;
}

/* About Section */
.about {
  background-color: var(--background-color);
}

.about p {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  text-align: center;
}

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

.cta p {
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: white;
}

.footer-icon {
  height: 2rem;
  width: 2rem;
  margin-right: 0.5rem;
  color: var(--accent-color);
}

.copyright {
  margin-top: 1rem;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  nav ul {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: 4rem 0;
  }
  
  .hero {
    padding: 8rem 0 4rem;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .container {
    max-width: 90%;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.feature-card, .btn-primary {
  animation: fadeIn 0.6s ease-out forwards;
}

.feature-card:nth-child(2) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.4s;
}