:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --accent: #f5f5f5;
  --accent-secondary: #e5e5e5;
  --border: #262626;
  --border-light: #404040;
  --shadow: rgba(0, 0, 0, 0.5);
  --shadow-light: rgba(0, 0, 0, 0.2);
  --blue: #2563eb;
  --blue-hover: #1d4ed8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.navbar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.nav-logo:hover {
  transform: translateY(-1px);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

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

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

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

.nav-link.active::after {
  width: 100%;
}

.language-switcher {
  display: flex;
  gap: 0.25rem;
  background-color: var(--bg-tertiary);
  border-radius: 0.75rem;
  padding: 0.25rem;
  border: 1px solid var(--border);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.lang-btn:hover {
  color: var(--text-primary);
  background-color: var(--border);
}

.lang-btn.active {
  background-color: var(--accent);
  color: var(--bg-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: background-color 0.3s ease;
}

.mobile-menu-btn:hover {
  background-color: var(--bg-tertiary);
}

.mobile-menu-btn svg {
  width: 1.5rem;
  height: 1.5rem;
}

.main-content {
  margin-top: 80px;
  padding: 2rem 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.personal-info-section {
  margin-bottom: 4rem;
}

.personal-info-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2.5rem;
  box-shadow: 0 4px 6px var(--shadow-light);
}

.personal-info-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--shadow-light);
}

.avatar-initials {
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 700;
}

.profile-name {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.profile-title {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-item:hover {
  background-color: rgba(26, 26, 26, 0.8);
  border-color: var(--border-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 0.75rem;
  background-color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--text-primary);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.contact-link {
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--blue);
}

.documents-section {
  margin-bottom: 4rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.text-blue {
  color: var(--blue);
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.download-all-container {
  margin-top: 2rem;
}

.btn-download-all {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--blue) 0%, #7c3aed 100%);
  color: var(--text-primary);
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-download-all:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.6);
  background: linear-gradient(135deg, var(--blue-hover) 0%, #6d28d9 100%);
}

.btn-download-all:active {
  transform: translateY(0);
}

.btn-download-all .download-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.btn-download-all:hover .download-icon {
  transform: translateY(2px);
}

.btn-download-all.downloading {
  cursor: not-allowed;
  opacity: 0.7;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.document-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.document-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.document-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: var(--border-light);
}

.document-card:hover::before {
  transform: translateX(0);
}

.document-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.document-icon {
  width: 56px;
  height: 56px;
  border-radius: 0.75rem;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.document-card:hover .document-icon {
  background-color: var(--blue);
  border-color: var(--blue);
}

.document-icon svg {
  width: 28px;
  height: 28px;
  color: var(--blue);
  transition: color 0.3s ease;
}

.document-card:hover .document-icon svg {
  color: var(--text-primary);
}

.document-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.document-info p {
  font-size: 1rem;
  color: var(--text-secondary);
}

.document-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

.btn svg {
  width: 16px;
  height: 16px;
}

.schnupper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.schnupper-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.schnupper-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.schnupper-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: var(--border-light);
}

.schnupper-card:hover::before {
  transform: translateX(0);
}

.schnupper-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.schnupper-company h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.schnupper-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  background-color: var(--bg-tertiary);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  white-space: nowrap;
  border: 1px solid var(--border);
}

.schnupper-description {
  margin-bottom: 1.5rem;
}

.schnupper-description p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.schnupper-details {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 1rem;
}

.schnupper-details.expanded {
  max-height: 500px;
  margin-bottom: 1.5rem;
}

.schnupper-activities {
  margin-top: 1rem;
}

.schnupper-activities h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.schnupper-activities ul {
  list-style: none;
  padding: 0;
}

.schnupper-activities li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.schnupper-activities li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: bold;
}

.schnupper-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.schnupper-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.schnupper-toggle:hover {
  background-color: var(--border);
  border-color: var(--border-light);
}

.schnupper-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.schnupper-toggle.expanded svg {
  transform: rotate(180deg);
}

.schnupper-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--blue);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.schnupper-download:hover {
  background-color: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.schnupper-download svg {
  width: 16px;
  height: 16px;
}

.motivation-letter {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 3rem;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: 0 4px 12px var(--shadow-light);
}

.motivation-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.motivation-date {
  font-size: 1rem;
  color: var(--text-secondary);
}

.motivation-recipient {
  font-size: 1.125rem;
  color: var(--text-primary);
}

.motivation-content {
  line-height: 1.8;
}

.motivation-content p {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  text-align: justify;
  font-size: 1rem;
}

.motivation-closing {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}

.motivation-closing p {
  margin-bottom: 0.5rem;
}

.signature-space {
  height: 4rem;
  margin: 1.5rem 0;
}

.additional-info-section {
  margin-bottom: 3rem;
}

.info-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 4px 12px var(--shadow-light);
}

.info-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-icon {
  width: 56px;
  height: 56px;
  border-radius: 0.75rem;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.info-icon svg {
  width: 28px;
  height: 28px;
  color: var(--blue);
}

.info-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.info-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .language-switcher {
    margin-top: 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .main-content {
    padding: 1rem 0;
  }

  .personal-info-card {
    padding: 2rem;
  }

  .personal-info-header {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .profile-name {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .documents-grid,
  .schnupper-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .document-actions {
    flex-direction: column;
  }

  .schnupper-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .schnupper-date {
    align-self: flex-start;
  }

  .schnupper-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .motivation-letter {
    padding: 2rem;
  }

  .motivation-header {
    flex-direction: column;
    gap: 1rem;
  }

  .info-header {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .personal-info-card,
  .document-card,
  .info-card,
  .schnupper-card,
  .motivation-letter {
    padding: 1.5rem;
  }

  .profile-avatar {
    width: 80px;
    height: 80px;
  }

  .avatar-initials {
    font-size: 1.5rem;
  }

  .profile-name {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.8s ease-out forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  animation: slideInRight 0.8s ease-out forwards;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

html {
  scroll-behavior: smooth;
}

.btn:focus,
.nav-link:focus,
.lang-btn:focus,
.schnupper-toggle:focus {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

::selection {
  background-color: var(--blue);
  color: var(--text-primary);
}

.contact-item,
.document-card,
.schnupper-card {
  transform-origin: center;
}

.contact-item:hover,
.document-card:hover,
.schnupper-card:hover {
  transform: translateY(-6px) scale(1.02);
}

.btn,
.schnupper-toggle,
.lang-btn {
  position: relative;
  overflow: hidden;
}

.btn::before,
.schnupper-toggle::before,
.lang-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.btn:hover::before,
.schnupper-toggle:hover::before,
.lang-btn:hover::before {
  left: 100%;
}