:root {
  --primary: #2e7d32;
  --secondary: #8bc34a;
  --light: #f1f8e9;
  --dark: #1b5e20;
  --text: #212121;
  --light-text: #f5f5f5;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(135deg, #e0f7fa, #b2ebf2, #80deea);
  background-attachment: fixed;
  min-height: 100vh;
}

header {
  background: linear-gradient(135deg, var(--primary), var(--dark));
  color: white;
  padding: 2rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="rgba(255,255,255,0.05)"/><path d="M10,10 C20,30 40,20 50,40 C60,60 80,50 90,70" stroke="rgba(255,255,255,0.1)" fill="none" stroke-width="0.5"/><circle cx="20" cy="30" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="60" cy="50" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="20" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.7;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

section {
  padding: 3rem 0;
  scroll-margin-top: 80px;
  position: relative;
}

section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3 {
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  color: var(--dark);
  position: relative;
  padding-bottom: 0.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--secondary);
}

p {
  margin-bottom: 1rem;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border: 3px solid rgba(255,255,255,0.3);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  border-radius: 4px;
  margin: 0.5rem 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(46, 125, 50, 0.2);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.3);
}

.card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border: 1px solid rgba(255,255,255,0.5);
}

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

.feature {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  border: 1px solid rgba(255,255,255,0.3);
}

.progress-bar {
  height: 20px;
  background: rgba(224, 247, 250, 0.5);
  border-radius: 10px;
  overflow: hidden;
  margin: 1rem 0;
  border: 2px solid rgba(255,255,255,0.3);
}

.progress {
  height: 100%;
  background: linear-gradient(90deg, #4fc3f7, #29b6f6, #03a9f4);
  width: 75%;
  border-radius: 8px;
}

nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

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

.logo::before {
  content: '';
  margin-right: 0.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  margin: 0 0.5rem;
  border-radius: 30px;
  transition: all 0.3s ease;
  display: block;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #4fc3f7, #03a9f4);
  transition: width 0.3s ease;
}

.nav-link:hover::before {
  width: 100%;
}

.nav-link:hover, .nav-link.active {
  background: rgba(224, 247, 250, 0.5);
  transform: translateY(-2px);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 200px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(224, 247, 250, 0.5);
}

.dropdown li {
  list-style: none;
}

.dropdown-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text);
  text-decoration: none;
  transition: background 0.3s;
  white-space: nowrap;
  border-left: 3px solid transparent;
}

.dropdown-link:hover {
  background: rgba(224, 247, 250, 0.3);
  border-left-color: #03a9f4;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

footer {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 4rem 2rem;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,100 C30,80 70,80 100,100 Z" fill="rgba(255,255,255,0.05)"/><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="15" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
}

/* Fixed header offset */
body {
  padding-top: 80px;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(224, 247, 250, 0.5);
  }
  .nav-menu.active {
    left: 0;
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(241, 248, 233, 0.9);
    margin-top: 0.5rem;
    display: none;
  }
  .dropdown.active {
    display: block;
  }
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 1rem;
  }
  .logo {
    margin-bottom: 1rem;
  }
  body {
    padding-top: 120px;
  }
  section {
    scroll-margin-top: 120px;
  }
  .image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
   }
}