/* GLOBAL */
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #050505;
    color: #f2f2f2;
    overflow-x: hidden;
}

/* SATURN WIREFRAME BACKGROUND */
.saturn-container {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    z-index: -10;
    opacity: 0.25;
}

.saturn {
    width: 250px;
    height: 250px;
    border: 2px solid #00c8ff;
    border-radius: 50%;
    position: absolute;
    top: 175px;
    left: 175px;
    animation: spin 20s linear infinite;
    box-shadow: 0 0 20px #00c8ff;
}

.ring {
    width: 450px;
    height: 150px;
    border: 2px solid #00c8ff;
    border-radius: 50%;
    position: absolute;
    top: 225px;
    left: 75px;
    transform: rotateX(60deg);
    animation: spin 30s linear infinite reverse;
    box-shadow: 0 0 20px #00c8ff;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* HEADER */
header {
    text-align: center;
    padding: 70px 20px;
}

.animated-title {
    font-size: 3.5rem;
    font-weight: 700;
    animation: glowPulse 3s infinite;
}

.subtitle {
    font-size: 1.3rem;
    opacity: 0.85;
    animation: fadeInUp 2s ease-in-out;
}

/* NAVIGATION */
nav ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
    list-style: none;
}

nav a {
    color: #e6e6e6;
    text-decoration: none;
    font-size: 1.15rem;
    transition: 0.3s;
}

nav a:hover {
    color: #00c8ff;
    transform: scale(1.15);
}

/* SECTIONS */
.section {
    padding: 70px 20px;
    max-width: 1000px;
    margin: auto;
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s ease, transform 1s ease;
}

.section.active {
    opacity: 1;
    transform: translateY(0);
}

.section h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    position: relative;
}

.section h2::after {
    content: "";
    width: 70px;
    height: 4px;
    background: #00c8ff;
    display: block;
    margin-top: 10px;
    border-radius: 5px;
}

/* CARDS */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
}

.card {
    background: #1a1a1a;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid #222;
    font-size: 1.1rem;
}

.card:hover {
    transform: translateY(-12px);
    background: #00c8ff;
    color: #000;
}

/* SYSTEMS */
.system {
    background: #1a1a1a;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    transition: 0.3s;
    border-left: 4px solid transparent;
}

.system:hover {
    transform: scale(1.03);
    border-left: 4px solid #00c8ff;
}

/* EXPERIENCE */
.experience-list li {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 25px;
    background: #111;
    margin-top: 50px;
    font-size: 1rem;
}

/* ANIMATIONS */
@keyframes glowPulse {
    0% { text-shadow: 0 0 10px #00c8ff; }
    50% { text-shadow: 0 0 25px #00c8ff; }
    100% { text-shadow: 0 0 10px #00c8ff; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}