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

/* Body */
body {
    font-family: 'Kumbh Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0d1117;
    color: #c9d1d9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* Container */
.container {
    max-width: 600px;
    width: 100%;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2em;
    color: #8b949e;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* Guide List */
.guide-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Guide Item */
.guide-item {
    display: flex;
    align-items: center;
    background-color: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 20px 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.guide-item:hover {
    background-color: #1c2128;
    border-color: #8b949e;
    transform: scale(1.03);
    z-index: 10;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Guide Icon */
.guide-icon {
    font-size: 2em;
    margin-right: 20px;
    flex-shrink: 0;
}

/* Guide Title */
.guide-title {
    font-size: 1.1em;
    color: #c9d1d9;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
    }

    header h1 {
        font-size: 1.5em;
    }

    .guide-item {
        padding: 18px 20px;
    }

    .guide-icon {
        font-size: 1.5em;
        margin-right: 15px;
    }

    .guide-title {
        font-size: 1em;
    }
}