:root {
  --primary-bg: #0a0a0a;
  --secondary-bg: #121212;
  --text-color: #f5f5f5;
  --accent-cyan: #00ffe7;
  --accent-magenta: #ff00cc;
  --transition: all 0.4s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: var(--primary-bg);
  color: var(--text-color);
  overflow-x: hidden;
  transition: background-color 1s ease;
}

canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 10%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background-color: rgba(10, 10, 10, 0.5);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(
    to right,
    var(--accent-cyan),
    var(--accent-magenta)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    var(--accent-cyan),
    var(--accent-magenta)
  );
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent-cyan);
}

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

section {
  min-height: 100vh;
  padding: 100px 10%;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: opacity 0.8s ease, visibility 0.8s;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

section.active {
  opacity: 1;
  visibility: visible;
}

.hero-content {
  max-width: 800px;
  margin-top: 5rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.gradient-text {
  background: linear-gradient(
    to right,
    var(--accent-cyan),
    var(--accent-magenta)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: linear-gradient(45deg, var(--accent-cyan), var(--accent-magenta));
  color: var(--primary-bg);
  border: none;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 255, 231, 0.2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.about-img {
  width: 100%;
  height: 400px;
  background-color: var(--secondary-bg);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-tag {
  background-color: var(--secondary-bg);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1px solid var(--accent-cyan);
}

.skill-tag:hover {
  background-color: var(--accent-cyan);
  color: var(--primary-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.project-card {
  background-color: var(--secondary-bg);
  border-radius: 10px;
  overflow: hidden;
  height: 350px;
  perspective: 1000px;
  cursor: pointer;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.project-card:hover .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.card-front {
  background-color: var(--secondary-bg);
  display: flex;
  flex-direction: column;
}

.project-img {
  height: 60%;
  width: 100%;
  background-color: #2a2a2a;
  overflow: hidden;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-info {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--accent-cyan);
}

.card-back {
  background-color: var(--secondary-bg);
  padding: 1.5rem;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.project-link {
  padding: 0.5rem 1rem;
  background: linear-gradient(45deg, var(--accent-cyan), var(--accent-magenta));
  color: var(--primary-bg);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.project-link:hover {
  opacity: 0.8;
  transform: translateY(-3px);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--accent-cyan), var(--accent-magenta));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-bg);
  font-size: 1.2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  position: relative;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background-color: var(--secondary-bg);
  border: 2px solid transparent;
  border-radius: 8px;
  color: var(--text-color);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

textarea.form-control {
  min-height: 150px;
  resize: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
}

@media screen and (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 768px) {
  nav {
    padding: 1.2rem 5%;
  }

  section {
    padding: 100px 5%;
  }

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

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: rgba(18, 18, 18, 0.95);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: 0.5s ease;
  }

  .nav-links.active {
    left: 0;
  }

  .nav-link {
    font-size: 1.3rem;
  }

  h1 {
    font-size: 2.3rem;
  }

  .project-card {
    height: 300px;
  }
}

@media screen and (max-width: 576px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}