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

/* CSS Variables for light and dark mode */
:root {
  --color-text: #222;
  --color-background: #fafafa;
  --color-primary: #3747d4;
  --color-primary-light: #f5f5f5;
  --color-secondary-text: #444;
  --color-border: #e0e0e0;
  --color-button-bg: #3747d4;
  --color-button-hover-bg: #3747d4;
  --color-button-shadow: rgba(211,47,47,0.08);
  --color-avatar-border: #3747d4;
  --color-avatar-shadow: rgba(211,47,47,0.10);
  --color-link: #3747d4;
  --color-link-hover-bg: #f5f5f5;
}

[data-theme="dark"] {
  --color-text: #ddd;
  --color-background: #121212;
  --color-primary: #8ab4f8;
  --color-primary-light: #1f1f1f;
  --color-secondary-text: #bbb;
  --color-border: #333;
  --color-button-bg: #8ab4f8;
  --color-button-hover-bg: #6a8de0;
  --color-button-shadow: rgba(138,180,248,0.4);
  --color-avatar-border: #8ab4f8;
  --color-avatar-shadow: rgba(138,180,248,0.3);
  --color-link: #8ab4f8;
  --color-link-hover-bg: #333;
}

/* Typography */
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  color: var(--color-text);
  background: var(--color-background);
}

/* Layout helpers */
.container, .main-content {
  max-width: 900px;
  margin: 120px auto 40px auto;
  padding: 48px 32px;
  text-align: center;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

/* Header & Nav */
.navbar-container {
  width: 100%;
  background: var(--color-background);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
}

.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-radius: 0;
  background: var(--color-background);
  box-shadow: none;
}

.logo {
  font-weight: 700;
  font-size: 1.7em;
  color: var(--color-primary);
  text-decoration: none;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  letter-spacing: 0.5px;
}

nav.main-nav {
  display: flex;
  gap: 32px;
}

nav.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.08em;
  padding: 10px 18px;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}

nav.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Main content card */
.main-content {
  max-width: 900px;
  margin: 120px auto 40px auto;
  padding: 48px 32px;
  text-align: center;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

h1 {
  font-size: 2.8em;
  margin-bottom: 24px;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.5px;
}

h2 {
  color: var(--color-primary);
  margin-top: 36px;
  margin-bottom: 18px;
  font-size: 2em;
  font-weight: 700;
}

p, .info {
  font-size: 1.18em;
  line-height: 1.8;
  color: var(--color-secondary-text);
  margin-bottom: 18px;
}

/* Buttons */
.button, .back, button[type="submit"] {
  display: inline-block;
  margin-top: 32px;
  background-color: var(--color-button-bg);
  color: white;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.08em;
  border: none;
  box-shadow: 0 2px 8px var(--color-button-shadow);
  transition: background 0.2s, transform 0.15s;
  cursor: pointer;
}
.button:hover, .back:hover, button[type="submit"]:hover {
  background-color: var(--color-button-hover-bg);
  transform: scale(1.05);
}

/* Avatar/Profile Image */
.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 40% top;
  margin-bottom: 24px;
  border: 4px solid var(--color-avatar-border);
  box-shadow: 0 4px 16px var(--color-avatar-shadow);
}

/* Project List, Skills List, LinkedIn Card, Resume Section */
ul.project-list, ul.skills-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}
ul.project-list li, ul.skills-list li, .linkedin-card, .resume-section {
  background: var(--color-background);
  border-radius: 12px;
  padding: 22px 28px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  color: var(--color-text);
  font-size: 1.08em;
  min-width: 180px;
  margin-bottom: 10px;
  text-align: left;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.linkedin-card {
  margin: 32px auto 0 auto;
  max-width: 600px;
  text-align: left;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

ul.project-list li:hover, ul.skills-list li:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  transform: translateY(-4px);
}
.resume-section {
  margin-top: 36px;
  color: #444;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

/* Form Styles */
form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  margin-top: 24px;
}
label {
  font-weight: 600;
  font-size: 1.1em;
  color: var(--color-secondary-text);
  align-self: flex-start;
}
input, textarea {
  padding: 14px;
  border-radius: 10px;
  border: 1.5px solid var(--color-border);
  font-size: 1em;
  font-family: inherit;
  resize: vertical;
  color: var(--color-text);
  background: var(--color-background);
  width: 100%;
  max-width: 500px;
  box-shadow: none;
  transition: border 0.2s;
}
input:focus, textarea:focus {
  border: 1.5px solid var(--color-primary);
  outline: none;
}

/* Footer */
footer{
  text-align:center;
  padding:2rem 0;
  font-size:.95rem;
  color: var(--color-secondary-text);
  background: transparent;
}
footer a{
  color: var(--color-link);
  text-decoration:none;
  font-weight: 600;
}

/* Images */
img{
  max-width:100%;
  height:auto;
}

/* Hamburger Button */
.hamburger {
  position: absolute;
  left: 18px;
  top: 12px;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1101;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 4px 0;
  background: var(--color-primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* Overlay for mobile nav */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.25);
  z-index: 1100;
}

@media (max-width: 700px) {
  .navbar-container {
    min-height: 60px;
    height: 60px;
  }
  .navbar-inner {
    position: relative;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 0;
    min-height: 60px;
    height: 60px;
  }
  .logo {
    margin: 0 auto;
    padding-left: 30px;
    display: block;
    text-align: center;
  }
  .hamburger {
    display: flex;
    position: absolute;
    left: 18px;
    top: 10px;
    margin: 0;
  }
  nav.main-nav {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: 70vw;
    max-width: 320px;
    background: var(--color-background);
    box-shadow: 2px 0 16px rgba(0,0,0,0.08);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 80px 18px 18px 18px;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(.4,0,.2,1);
    z-index: 1102;
  }
  nav.main-nav.open {
    transform: translateX(0);
  }
  .mobile-nav-overlay.open {
    display: block;
  }
  .container, .main-content {
    padding: 18px 4vw;
    margin: 90px 0 24px 0;
    border-radius: 0;
    box-shadow: none;
    background: none;
  }
  .avatar {
    width: 90px;
    height: 90px;
    object-position: 40% top;
  }
}

@media (max-width: 500px) {
  .container, .main-content {
    padding: 8px 2vw;
    margin: 70px 0 12px 0;
  }
  h1 {
    font-size: 1.6em;
  }
  h2 {
    font-size: 1.15em;
  }
  .navbar-inner {
    flex-direction: column;
    gap: 6px;
    padding: 6px 1vw;
  }
  nav.main-nav {
    flex-direction: column;
    gap: 4px;
    width: 100%;
    align-items: flex-start;
  }
  nav.main-nav a, .button, .back, button[type="submit"] {
    font-size: 1em;
    padding: 10px 12px;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }
  .avatar {
    width: 60px;
    height: 60px;
  }
  ul.project-list li, ul.skills-list li {
    padding: 12px 8px;
    font-size: 0.98em;
    min-width: unset;
  }
  .linkedin-card, .resume-section {
    padding: 10px 4px;
    max-width: 98vw;
  }
  input, textarea {
    padding: 8px;
    font-size: 0.98em;
    max-width: 95vw;
  }
  .navbar-container {
    padding: 0;
  }
}

/* Projektboxen einheitlich */
ul.project-list {
  flex-direction: column;
  align-items: center;
}

ul.project-list li {
  width: 100%;
  max-width: 700px;
  min-height: 160px; /* Optional – sorgt für einheitliche Höhe */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* CV Table Styles */
.cv-section {
  margin: 40px 0;
  text-align: left;
}

.cv-section h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
  font-size: 1.4em;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  opacity: 0.8;
}

.cv-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--color-background);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  border: 1px solid var(--color-border);
}

.cv-table tr {
  border-bottom: 1px solid var(--color-border);
}

.cv-table tr:last-child {
  border-bottom: none;
}

.cv-table tr:hover {
  background: rgba(138, 180, 248, 0.03);
}

.cv-label {
  background: rgba(138, 180, 248, 0.1);
  color: var(--color-text);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  min-width: 120px;
  width: 25%;
  border-right: 1px solid var(--color-border);
}

.cv-value {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  color: var(--color-text);
  line-height: 1.5;
}

/* Responsive table design */
@media (max-width: 768px) {
  .cv-table {
    font-size: 0.9em;
  }
  
  .cv-label, .cv-value {
    padding: 8px 12px;
  }
  
  .cv-label {
    min-width: 100px;
    width: 30%;
  }
}

@media (max-width: 500px) {
  .cv-table {
    font-size: 0.85em;
  }
  
  .cv-label, .cv-value {
    padding: 6px 8px;
  }
  
  .cv-section h2 {
    font-size: 1.2em;
  }
}