:root {
  --bg-color: #141414;
  --accent-color: #7e5bef;
  --text-color: #ffffff;
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
}

a {
  color: var(--accent-color);
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.intro {
  background: #2c2c2c;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a svg {
  width: 32px;
  height: 32px;
  fill: var(--text-color);
  transition: fill 0.3s ease;
}

.social-links a:hover svg {
  fill: var(--accent-color);
}


.hero-section {
  min-height: 100vh;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 5rem;
  padding: 0 5%;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  flex: 1;
  align-items: flex-start;
}

.menu a {
  color: var(--text-color);
  text-decoration: none;
/* scales between 3rem and 8rem depending on viewport */
font-size: clamp(3rem, 8vw, 8rem);

  font-weight: 600;
  position: relative;
  display: inline-block;
  transition: color 0.3s ease, transform 0.3s ease;
}

.menu a::before {
  content: '';
  position: absolute;
  left: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 6px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.menu a:hover {
  color: var(--accent-color);
  transform: translateX(10px);
}

.menu a:hover::before {
  width: 60px;
}

.about-title {
  position: relative;
  display: inline-block;
}

.experience-tooltip {
  display: inline-block;
  background: #2c2c2c;
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.hero-image {
  width: 450px;
  height: 450px;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid var(--accent-color);
}
.hero-image-wrapper {
  position: relative;
  display: inline-block;
}

.image-popout {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #2c2c2c;
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.image-popout::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 10px);
  border-width: 6px;
  border-style: solid;
  border-color: #2c2c2c transparent transparent transparent;
}

.hero-image-wrapper:hover .image-popout {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-logos {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 10px);
  display: flex;
  gap: 1rem;
  justify-content: center;
  pointer-events: none;
}

.nav-logos img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  opacity: 0;
  transform: translateY(-10px) scale(0);
  transition: transform 0.3s ease, opacity 0.3s ease, filter 0.3s ease;
}

.menu a:hover .nav-logos img {
  opacity: 1;
  transform: translateY(0) scale(1.2);
  filter: drop-shadow(0 0 6px var(--accent-color));
}

section {
  scroll-snap-align: start;
}

.full-section {
  min-height: 100vh;
  padding: 80px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

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


.section-title {
font-size: clamp(5rem, 6vw, 7rem);

  color: var(--accent-color);
  margin-bottom: 1rem;
}

.about-description {
  margin-bottom: 2rem;
}

.experience-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  background: transparent;
  color: var(--text-color);
  border: 2px solid var(--accent-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent-color);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.experience-content {
  display: none;
}

.experience-content.active {
  display: block;
}

.experience-card {
  background: #1f1f1f;
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.experience-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.experience-card:hover .experience-logo {
  transform: scale(1.1);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.project-card {
  background: #1f1f1f;
  padding: 1.5rem;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.project-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.project-card:hover .project-logo {
  transform: scale(1.1);
}

.experience-card::after,
.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(
    from 0deg,
    #00f0ff,
    #ff00ff,
    #00f0ff
  );
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  animation: border-orbit 4s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.experience-card:hover::after,
.project-card:hover::after {
  opacity: 1;
}

@keyframes border-orbit {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .topbar {
    position: fixed;
    z-index: 1000;
  }

  .hero-section {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
    padding-top: 80px;
  }

  .menu {
    align-items: center;
  }

  .menu a {
    font-size: clamp(3rem, 5vw, 4rem);
  }

  .menu a::before {
    display: none;
  }

  .hero-image {
    width: 70vw;
    height: 70vw;
    max-width: 300px;
    max-height: 300px;
  }

  .section-title {
    font-size: 4rem;
  }
}