:root {
  --color-bg: #000000;
  --color-bg-secondary: #171717;
  --color-surface: #525252;
  --color-border: #404040;
  --color-text-primary: #ffffff;
  --color-text-secondary: #ffffff;
  --color-text-dark: #000000;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  font-family: 'Inter', sans-serif;
  color: var(--color-text-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#introOverlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(17, 17, 17, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  color: white;
  text-align: center;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  cursor: pointer;
}

.blur-active {
  filter: blur(15px);
  user-select: none;
  pointer-events: none;
}


.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

main {
  z-index: 100;
}

h1, h2, h3 {
  color: var(--color-text-primary);
  font-weight: 700;
  margin: 0;
}

p {
  margin: 0;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.section-title {
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 64px;
  color: var(--color-text-primary);
  padding-top: 50px;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 36px;
    margin-bottom: 48px;
  }
}

.site-header {
  background-color: black;
  opacity: 0.7;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.main-nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav li {
  flex: auto;
  height: 100%;
  width: auto;
}
.main-nav a {
  font-size: 16px;
  font-weight: 500;
  display: block;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}
.main-nav a:hover {
  color: var(--color-text-primary);
}
.main-nav {
  padding-top: 20px;
}
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 24px;
  cursor: pointer;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 1001;
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
}

.mobile-menu {
  position: fixed;
  top: 6%;
  right: 0;
  width: 50%;
  max-width: 300px;
  height: 45%;
  background: rgba(0, 0, 0, 0.7);
  padding: 20px 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 15px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu.hidden {
  display: none;
}

.mobile-menu button {
  display: block;
  background: rgba(255, 255, 255, 0.6);
  border: none;
  color: rgb(255, 255, 255);
  padding: 8px;
  font-size: 18px;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu select {
  background: rgba(255, 255, 255, 0.6);
  border: none;
  color: rgb(0, 0, 0);
  padding: 8px;
  font-size: 18px;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0.8;
}

.mopbile-menu.active .choices {
  display: flex;
  flex-direction: column;
  background-color: #B2B2B2;
  gap: 10px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.active .choices__inner {
  display: block;
  border: none;
  color: rgb(255, 255, 255);
  font-size: 18px;
  border-radius: 5px;
  cursor: pointer;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.active button {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active button:nth-child(1) {
  transition-delay: 0.1s;
}
.mobile-menu.active button:nth-child(2) {
  transition-delay: 0.3s;
}
.mobile-menu.active button:nth-child(3) {
  transition-delay: 0.5s;
}

.mobile-menu.active button:nth-child(4) {
  transition-delay: 0.7s;
}

.mobile-menu.active button:nth-child(5) {
  transition-delay: 0.9s;
}

.mobile-menu.active .choices {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active .choices:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-menu.active .choices:nth-child(2) {
  transition-delay: 0.3s;
}

.mobile-menu.active .choices:nth-child(3) {
  transition-delay: 0.5s;
}





.aboutme-section {
  background-color: transparent;
  padding: 80px 0;
  display: flex;
  align-items: center;
  min-height: 600px;
}
.aboutme-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}
.aboutme-content {
  flex: 1;
  max-width: 588px;
}
.aboutme-title {
  font-size: 72px;
  line-height: 1.2;
  margin-bottom: 24px;
}
.aboutme-subtitle {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 40px;
}
.aboutme-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 400;
  transition: all 0.3s ease;
  min-width: 121px;
  height: 52px;
  user-select: none;
}
.btn-primary {
  background-color: var(--color-text-primary);
  color: var(--color-text-dark);
}
.btn-primary:hover {
  opacity: 0.9;
}
.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background-color: var(--color-border);
}

.aboutme-avatar {
  flex-shrink: 0;
  width: 256px;
  height: 256px;
  border: 4px solid var(--color-border);
  border-radius: 50%;
  position: relative;
  overflow: hidden; 
  background: #fff;
}

.aboutme-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.avatar-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}


@media (max-width: 992px) {
  .aboutme-section {
    padding: 60px 0;
  }
  .aboutme-container {
    flex-direction: column;
    text-align: center;
  }
  .aboutme-content {
    order: 2;
    max-width: 100%;
  }
  .aboutme-avatar {
    order: 1;
    margin-bottom: 40px;
    width: 200px;
    height: 200px;
  }
  .aboutme-buttons {
    justify-content: center;
  }
  .aboutme-title {
    font-size: 56px;
  }
}
@media (max-width: 576px) {
    .aboutme-title {
        font-size: 40px;
    }
    .aboutme-subtitle {
        font-size: 18px;
    }
}

.about-section {
  background-color: transparent;
  padding: 100px 0;
  margin-top: -5%;
  margin-bottom: -5%;
}

.big-presentation-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  margin-bottom: 40px;
}

.presentation-text {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}
.feature-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 25px;
  text-align: left;
}
.feature-icon {
  font-size: 24px;
  color: var(--color-text-primary);
  margin-bottom: 24px;
  height: 24px;
}
.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.feature-card p {
  font-size: 16px;
  line-height: 1.6;
}
@media (max-width: 992px) {
    .about-section {
        padding: 80px 0;
    }
}

.projects-section {
  background-color: transparent;
  padding: 100px 0;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}
.project-card {
  background-color: var(--color-bg-secondary);
  opacity: 0.9;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 1;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.project-image {
  background-color: var(--color-surface);
  height: 192px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}


.project-content {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.project-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.project-content p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 4px;
  background-color: var(--color-text-primary);
  color: var(--color-text-dark);
  font-size: 14px;
  align-self: flex-start;
  transition: background-color 0.3s ease;
}
.project-link:hover {
  background-color: #e0e0e0;
}
.project-link i {
  font-size: 12px;
}
@media (max-width: 992px) {
    .projects-section {
        padding: 40px 0;
    }
}

.contact-info {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}

.contact-about-text {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.contact-info {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.contact-info .mail-text {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.site-footer {
  margin-top: 6%;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 10px 0;
  text-align: center;
  color: var(--color-text-secondary);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links li {
  list-style: none;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  background-size: cover;
  pointer-events: none;
  background-position: center;
}

.language-select-mobile {
  max-width: 200px;
  background-color: red;
}

.language-select {
  max-width: 200px;
  background-color: white;
}

.choices[data-type*=select-one] .choices__inner {
  padding-bottom: 0px
}

.choices__inner {
  display: inline-block;
  vertical-align: top;
  width: 100%;
  background-color: #f9f9f9;
  padding: 0px 7.5px 0px 7.5px;
  border: 1px solid #ddd;
  font-size: 14px;
  min-height: 10px;
  overflow: hidden;
  background-color:transparent;
  border: 1px solid #ccc;
  font-size: 16px;
  opacity: 1;
}


.choices__list {
  padding: 0;
  background-color: transparent;
}

.choices {
  position: relative;
  text-align: center;
}

.choices__list--dropdown, .choices__list[aria-expanded] {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.choices__list[aria-expanded] .choices__item--selectable.is-highlighted {
  background-color: grey;
  color: var(--color-text-dark);
}
.choices[data-type*=select-one]::after {
  content: none !important;
}



.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80%;
  border-radius: 8px;
}

.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

@keyframes spin-animation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.individual-spin {
  animation-name: spin-animation;
  animation-duration: 3s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}