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

body {
    font-family: 'Segoe UI', sans-serif;
    background: #020617;
    color: #e2e8f0;
}

/* NAV */
nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    border-bottom: 1px solid #0f172a;
}

nav a {
    margin-left: 20px;
    color: #38bdf8;
    text-decoration: none;
    transition: 0.3s;
}

nav a:hover {
    color: #22d3ee;
}

/* HEADER */
header {
    text-align: center;
    padding: 100px 20px;
}

header h1 {
    font-size: 42px;
    color: #38bdf8;
    text-shadow: 0 0 10px #38bdf8;
}

header p {
    margin-top: 10px;
    color: #94a3b8;
}

/* SECTIONS */
section {
    padding: 60px 40px;
    max-width: 900px;
    margin: auto;
}

/* SKILLS */
.skills span {
    display: inline-block;
    background: #0f172a;
    padding: 8px 14px;
    margin: 5px;
    border-radius: 8px;
    border: 1px solid #1e293b;
}

/* CARDS */
.card {
    background: #0f172a;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    transition: 0.3s;
    border: 1px solid #1e293b;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(56,189,248,0.4);
}

.card a {
    display: inline-block;
    margin-top: 10px;
    color: #38bdf8;
}

header {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from {opacity: 0; transform: translateY(20px);}
    to {opacity: 1; transform: translateY(0);}
}