body {
    background-color: #0d0d0d;
    color: #e0e0e0;
    font-family: 'Roboto Mono', monospace;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    box-sizing: border-box;
    overflow-x: hidden;
    position: relative;
    perspective: 1000px;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(26, 26, 26, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(26, 26, 26, 0.15) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: subtle-shift 30s infinite alternate ease-in-out,
               pulse-gradient 15s infinite alternate ease-in-out;
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
}

@keyframes subtle-shift {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

@keyframes pulse-gradient {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
    100% { transform: scale(1); opacity: 1; }
}

.container {
    background-color: #1a1a1a;
    border: 1px solid #333333;
    border-radius: 12px;
    padding: 60px 40px 40px 40px;
    width: 100%;
    max-width: 1000px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    overflow: hidden;
    transform: translateZ(0);
}

h1.main-title {
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 5em;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 120px;
    text-align: center;
    letter-spacing: 3.5px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.6), 0 0 50px rgba(136, 204, 255, 0.4);
    transition: text-shadow 0.3s ease, transform 0.3s ease;
    cursor: default;
}

h1.main-title:hover {
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.8), 0 0 60px rgba(136, 204, 255, 0.6);
    transform: scale(1.01);
}

.content-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: center;
}

.downloads-section-wrapper, .side-info-section {
    flex: 1;
    min-width: 320px;
    max-width: 48%;
    box-sizing: border-box;
    background-color: #1f1f1f;
    border-radius: 8px;
    padding: 25px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .downloads-section-wrapper, .side-info-section {
        max-width: 100%;
    }
    h1.main-title {
        font-size: 4.5em;
        margin-bottom: 70px;
    }
    .container {
        padding: 30px 25px;
    }
}

.section-title {
    color: #88ccff;
    font-size: 1.6em;
    margin-top: 0;
    margin-bottom: 22px;
    padding-bottom: 10px;
    border-bottom: 2px solid #444444;
    text-align: left;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.section-title:hover {
    color: #aaddff;
    border-color: #666666;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 0;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 16px 28px;
    background: linear-gradient(145deg, #3a3a3a, #2a2a2a);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.15em;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease, border 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    border: 1px solid #555555;
    max-width: 380px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
    z-index: 0;
}

.download-button:hover::before {
    width: 200%;
    height: 200%;
    opacity: 1;
}

.download-button:hover {
    background: linear-gradient(145deg, #4a4a4a, #3a3a3a);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    border-color: #88ccff;
}

.download-button svg {
    margin-right: 12px;
    width: 26px;
    height: 26px;
    fill: currentColor;
    transition: transform 0.2s ease, filter 0.2s ease;
    z-index: 1;
}

.download-button:hover svg {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 5px rgba(136, 204, 255, 0.7));
}

.info-section {
    margin-top: 50px;
    padding-top: 25px;
    border-top: 1px dashed #333333;
    text-align: center;
}

.info-section p {
    margin-bottom: 12px;
    line-height: 1.7;
    color: #c0c0c0;
}

.info-section a {
    color: #88ccff;
    text-decoration: none;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.info-section a:hover {
    color: #aaddff;
    text-shadow: 0 0 8px rgba(136, 204, 255, 0.5);
}

.feature-list, .req-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 25px;
}

.feature-list li, .req-list li {
    background-color: #2b2b2b;
    padding: 12px 18px;
    border-radius: 5px;
    margin-bottom: 10px;
    border-left: 4px solid #88ccff;
    line-height: 1.5;
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, border-left-color 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.feature-list li:hover, .req-list li:hover {
    transform: translateX(8px);
    background-color: #333333;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4); 
    border-left-color: #aaddff;
}

.fineprint {
    position: absolute;
    bottom: 15px;
    left: 15px;
    font-size: 0.75em;
    color: #888888;
}

.fineprint a {
    color: #88ccff;
    text-decoration: underline;
}

.fineprint a:hover {
    color: #aaddff;
}

.message-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.message-box.show {
    opacity: 1;
    visibility: visible;
}

.message-box-content {
    background-color: #2b2b2b;
    border: 1px solid #555555;
    border-radius: 10px;
    padding: 30px; /* More padding */
    max-width: 450px; /* Slightly wider */
    width: 90%;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
    text-align: center;
    transform: translateY(-30px) scale(0.95);
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}

.message-box.show .message-box-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.message-box-content p {
    color: #e0e0e0;
    margin-bottom: 25px;
    font-size: 1.1em;
}

.message-box-content button {
    background-color: #88ccff;
    color: #1a1a1a;
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.message-box-content button:hover {
    background-color: #aaddff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.easter-egg-page {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 100%;
    height: 100%;
    background-color: #000000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 8em;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease, transform 0.6s ease;
}

.easter-egg-page.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    animation: text-glow-pulse 2s infinite alternate;
}

@keyframes text-glow-pulse {
    0% { text-shadow: 0 0 20px rgba(255, 255, 255, 0.5), 0 0 30px rgba(255, 0, 0, 0.3); }
    100% { text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 50px rgba(255, 0, 0, 0.6); }
}

@media (max-width: 768px) {
    .container {
        padding: 30px 25px;
    }
    h1.main-title {
        font-size: 4em;
        margin-bottom: 60px;
    }
    .section-title {
        font-size: 1.4em;
        text-align: center;
    }
    .download-button {
        padding: 14px 20px;
        font-size: 1em;
        max-width: 100%;
        justify-content: center;
    }
    .downloads-section-wrapper, .side-info-section {
        min-width: unset;
    }
    .fineprint {
        position: static;
        text-align: center;
        margin-top: 20px;
        font-size: 0.8em;
    }
    .feature-list li, .req-list li {
        padding: 10px 15px;
    }
    .easter-egg-page {
        font-size: 4em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    .container {
        padding: 20px;
    }
    h1.main-title {
        font-size: 2.8em;
        margin-bottom: 40px;
    }
    .section-title {
        font-size: 1.2em;
    }
    .download-button {
        padding: 12px 15px;
        font-size: 0.9em;
    }
    .download-button svg {
        width: 22px;
        height: 22px;
    }
    .easter-egg-page {
        font-size: 2.5em;
    }
}