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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('img/background.jpg') center/cover no-repeat;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.4);
    z-index: -1;
    pointer-events: none;
}

/* Animated stars background */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -3;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.container {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 30px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    text-align: center;
}

.title .logo {
    max-width: 300px;
    height: auto;
    animation: slideDown 0.8s ease-out;
}

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

.links-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.6s ease-out backwards;
    cursor: pointer;
}

.link-item:nth-child(1) { animation-delay: 0.1s; }
.link-item:nth-child(2) { animation-delay: 0.2s; }
.link-item:nth-child(3) { animation-delay: 0.3s; }
.link-item:nth-child(4) { animation-delay: 0.4s; }
.link-item:nth-child(5) { animation-delay: 0.5s; }

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

.link-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 215, 0, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.1);
}

.link-item:active {
    transform: translateY(-2px);
}

.link-info {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    gap: 12px;
    flex: 1;
}

.link-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 14px;
}

.link-label {
    font-size: 18px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    min-width: 50px;
}

.link-latency {
    width: 75px;
    display: inline-block;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.link-latency.good {
    color: #4ade80;
}

.link-latency.warning {
    color: #fbbf24;
}

.link-latency.bad {
    color: #ef4444;
}

.btn-masuk {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
    color: white;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-masuk:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-masuk:active {
    transform: translateY(0);
}

.cta-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
    border-radius: 14px;
    color: white;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.35);
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(239, 68, 68, 0.4);
}

.cta-button:active {
    transform: translateY(-1px);
}

@media (max-width: 600px) {
    .container {
        padding: 24px;
        margin: 0 1rem;
    }

    .title h1 {
        font-size: 36px;
    }

    .link-item {
        padding: 14px 16px;
    }
}