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

:root {
  --primary-green: #2E8B66;
  --dark-green: #2C7A5B;
  --light-green: #5FB896;
  --light-bg: #F8F9FA;
  --white: #FFFFFF;
  --text-dark: #2D3436;
  --text-gray: #4A5568;
  --shadow: rgba(0, 0, 0, 0.08);
}

body {
  background-color: var(--white);
  color: var(--text-dark);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3 {
  color: var(--text-dark);
  font-weight: 600;
}

a {
  color: var(--dark-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.btn-primary {
  background: var(--primary-green);
  color: var(--white);
  padding: 14px 32px;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(46, 139, 102, 0.25);
  transition: all 0.3s ease;
  font-size: 1rem;
}

.btn-primary:hover {
  background: var(--dark-green);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 139, 102, 0.35);
}

html {
  scroll-behavior: smooth;
}

/* Navigation */
nav {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px var(--shadow);
}

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

nav h1 {
  color: var(--primary-green);
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

nav h1 a {
  color: var(--primary-green);
  text-decoration: none;
}

/* Desktop Navigation */
nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

nav ul li a {
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Burger Button */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger span {
  width: 28px;
  height: 3px;
  background-color: var(--primary-green);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .burger {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 74px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 74px);
    background-color: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 30px 20px;
    box-shadow: -2px 0 10px var(--shadow);
    transition: right 0.3s ease;
  }

  nav ul.active {
    right: 0;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a {
    display: block;
    padding: 16px 20px;
    border-bottom: 1px solid #E8F5F1;
    font-size: 1.1rem;
  }

  nav ul li:last-child a {
    border-bottom: none;
  }
}

/* Footer */
footer {
  background-color: var(--light-bg);
  padding: 40px 20px;
  margin-top: 80px;
  text-align: center;
  color: var(--text-gray);
}

/* Profilbild responsiv für Mobile */
@media (max-width: 768px) {
  .profile-section {
    flex-direction: column !important;
    align-items: center !important;
  }

  .profile-section img {
    margin-bottom: 30px;
  }
}