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

body {
  font-family: "Segoe UI", sans-serif;
  background: #0f0f0f;
  color: #ffffff;
  line-height: 1.7;
  scroll-behavior: smooth;
}

header {
  position: fixed;
  width: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: space-between;
  padding: 20px 50px;
  z-index: 1000;
  box-shadow: 0 4px 10px #00000033;
}

.logo {
  font-size: 24px;
  color: #00fff7;
  font-weight: bold;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

nav a:hover {
  color: #00fff7;
}

section {
  padding: 100px 50px;
}

.centered {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  text-align: center;
}

.hero-text h1 {
  font-size: 3rem;
}

.hero-text p {
  font-size: 1.2rem;
  margin-top: 10px;
}

.hero-text span {
  color: #00fff7;
}

button {
  margin-top: 20px;
  padding: 12px 25px;
  background: #00fff7;
  border: none;
  color: #000;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}

h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #00fff7;
}

p {
  max-width: 800px;
  margin: auto;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.skill-card {
  background: #1a1a1a;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  border: 1px solid #00fff7;
  transition: 0.3s;
}

.skill-card:hover {
  background: #222;
  transform: translateY(-5px);
}

.project-card {
  background: #1a1a1a;
  padding: 20px;
  margin-bottom: 20px;
  border-left: 5px solid #00fff7;
  border-radius: 6px;
  transition: 0.3s;
}

.project-card:hover {
  background: #222;
  transform: scale(1.02);
}

form {
  max-width: 500px;
  margin: 30px auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

form input, form textarea {
  padding: 12px;
  background: #222;
  border: none;
  border-radius: 5px;
  color: #fff;
}

footer {
  text-align: center;
  padding: 20px;
  background: #101010;
  font-size: 14px;
  color: #aaa;
}