/* Base styles and CSS reset */
:root {
  --primary: #13a1dc;
  --secondary: #9cc44d;
  --dark: #333333;
  --light: #ffffff;
  --gray: #f5f5f5;
  --text: #4a4a4a;
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text);
}

/* Typography */
h2, h3, h5, h6 {
  margin-bottom: 1rem;
  color: var(--dark);
  font-weight: 600;
}
h1, h4 {
  margin-bottom: 1rem;
  color: var(--light);
  font-weight: 600;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1rem;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 4rem 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

.flex {
  display: flex;
  gap: 2rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.nav-logo {
  height: 5em;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  padding-top: 80px;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  color: var(--light);
  max-width: 600px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background: var(--primary);
  color: var(--light);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--light);
}

/* Cards */
.card {
  background: var(--light);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

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

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: inherit;
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(19, 161, 220, 0.1);
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 4rem 0;
}

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

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

.footer-link {
  color: var(--light);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.footer-link:hover {
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .grid {
    grid-template-columns: 1fr !important;
  }

  .flex {
    flex-direction: column;
  }

  .hero {
    min-height: 400px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }
}

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

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }