* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #f8fafc;
  line-height: 1.6;
  scroll-behavior: smooth;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  z-index: 100;
}
.header-logo {
  font-size: 1.5rem;
  background: linear-gradient(to right, #38bdf8, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-list {
  display: flex;
  gap: 1.5rem;
}
.nav-link {
  font-weight: 500;
  transition: color 0.3s;
}
.nav-link:hover {
  color: #38bdf8;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #38bdf8;
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
}
.hero-title {
  font-size: 2.5rem;
  background: linear-gradient(to right, #38bdf8, #a855f7, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}
.hero-subtitle {
  max-width: 650px;
  font-size: 1.1rem;
  opacity: 0.9;
}
.hero-links {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.5rem;
}
.btn {
  margin-top: 2rem;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 30px;
  background: linear-gradient(90deg, #38bdf8, #a855f7);
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.btn:hover {
  transform: scale(1.1);
}

/* ===== SECTIONS ===== */
.section {
  padding: 5rem 3rem;
  max-width: 1100px;
  margin: auto;
}
.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: #38bdf8;
}

/* About */
.about-card {
  background: #1e293b;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
}

/* Skills + Projects */
.skills-list,
.projects-grid,
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.skills-item,
.project-card,
.exp-card {
  background: #1e293b;
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  transition: 0.3s ease;
}
.skills-item:hover,
.project-card:hover,
.exp-card:hover {
  transform: translateY(-10px);
  background: #334155;
}
.project-card-title,
.exp-card-title {
  margin-bottom: 0.5rem;
  color: #a855f7;
}

/* ===== CONTACT ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 600px;
  margin: auto;
}
.contact-input,
.contact-textarea {
  padding: 1rem;
  border: none;
  border-radius: 10px;
  background: #334155;
  color: white;
}
.contact-btn {
  align-self: flex-start;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  background: #0f172a;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  .nav-list {
    gap: 1rem;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 3rem;
    background: #1e293b;
    padding: 1rem 2rem;
    border-radius: 10px;
    display: none;
  }
  .nav-list.active {
    display: flex;
  }
}