:root {
    --bg-color: #05070a;
    --container-bg: #090a0f;
    --card-bg: #030406;
    --text-primary: #ffffff;
    --text-secondary: #8a94a6;
    --accent-blue: #00a3ff;
    --grid-color: rgba(255, 255, 255, 0.02);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
}

.background-grid::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(0, 191, 255, 0.04) 50%,
        transparent
    );
    animation: scanline 8s linear infinite;
    pointer-events: none;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(200%); }
}

.back-btn {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05rem;
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-primary);
}

.container {
    width: 100%;
    max-width: 1000px;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.3rem;
}

.title:hover {
    animation: glitch-anim 0.3s cubic-bezier(.25, .46, .45, .94) both;
}

@keyframes glitch-anim {
    0% { transform: translate(0); text-shadow: none; }
    20% { transform: translate(-2px, 1px); text-shadow: 2px 0 var(--accent-blue), -2px 0 var(--error-red); }
    40% { transform: translate(-1px, -1px); text-shadow: -2px 0 var(--accent-blue), 2px 0 var(--error-red); }
    60% { transform: translate(2px, 1px); text-shadow: 2px 0 var(--accent-blue), -2px 0 var(--error-red); }
    80% { transform: translate(1px, -1px); text-shadow: -2px 0 var(--accent-blue), 2px 0 var(--error-red); }
    100% { transform: translate(0); text-shadow: none; }
}

.subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-blue);
    letter-spacing: 0.1rem;
    text-transform: uppercase;
}

.description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.cards-container {
    display: flex;
    gap: 2rem;
    width: 100%;
    justify-content: center;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    width: 100%;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.card-icon-wrapper {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 3rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 180px;
}

.card-icon {
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.external-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.03);
}

.external-icon.lv-color { color: #22c55e; }
.external-icon.ll-color { color: #a855f7; }

.card-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 6px;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    background-color: transparent;
    border: none;
}

.action-btn::before {
    content: '';
    position: absolute;
    inset: 1px;
    background-color: #090a0f;
    border-radius: 5px;
    z-index: -1;
    transition: background-color 0.2s ease;
}

.action-btn::after {
    content: '';
    position: absolute;
    width: 250%;
    height: 250%;
    top: -75%;
    left: -75%;
    background: conic-gradient(
        transparent 60%,
        var(--accent-blue) 80%,
        transparent 100%
    );
    z-index: -2;
    animation: rotate-border 4s linear infinite;
}

.action-btn svg {
    color: var(--text-secondary);
    transition: color 0.2s ease;
    z-index: 2;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 163, 255, 0.15);
}

.action-btn:hover::before {
    background-color: #12141c;
}

.action-btn:hover svg {
    color: var(--text-primary);
}

@keyframes rotate-border {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


@media (max-width: 768px) {
    .cards-container {
        flex-direction: column;
        align-items: center;
    }
    
    .back-btn {
        top: 1rem;
        left: 1rem;
    }
}