:root {
    --primary-red: #ff4d4d;
    --dark-red: #7f1d1d;
    --bg-color: #0a0505;
    --glass: rgba(45, 15, 15, 0.7);
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 20% 30%, #450a0a 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, #2d0f0f 0%, transparent 20%);
    color: #fce4e4;
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
}

/* Animasi mengapung untuk kartu */
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.card {
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    width: 380px;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 30px rgba(185, 28, 28, 0.2);
    animation: floating 5s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

.header h1 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: #fff;
    text-shadow: 0 0 10px var(--primary-red);
    text-align: center;
}

.tagline {
    display: block;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    color: var(--primary-red);
    letter-spacing: 2px;
    margin-bottom: 30px;
    text-transform: uppercase;
    font-weight: bold;
}

.bio p {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 15px;
    border-radius: 10px;
    margin: 8px 0;
    border-left: 3px solid var(--primary-red);
    transition: 0.3s;
}

.bio p:hover {
    background: rgba(239, 68, 68, 0.1);
    transform: translateX(5px);
}

.skills h3 {
    margin-top: 30px;
    font-size: 1rem;
    color: #f87171;
    text-transform: uppercase;
}

.skill-item {
    margin-bottom: 20px;
}

/* Progress Bar Animasi */
.progress-bar {
    background-color: rgba(255, 255, 255, 0.1);
    height: 10px;
    border-radius: 20px;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.progress {
    height: 100%;
    border-radius: 20px;
    background: linear-gradient(90deg, var(--dark-red), var(--primary-red));
    box-shadow: 0 0 15px var(--primary-red);
    position: relative;
}

/* Efek kilatan pada progress bar */
.progress::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shine 2s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Dekorasi Latar Belakang (Opsional) */
body::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--primary-red) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.1;
    z-index: 0;
}