/* General Reset */
html, body {
    margin: 0;
    padding: 0;
    height: 100%; /* Ensure the body takes full height */
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    z-index: -2;
}
html {
    background-color: white;
}

/* Background */
.bg {
    position: fixed;
    top: 0;           /* 改回 0，讓程式計算百分比 */
    left: 0;
    width: 100vw;
    height: 100vh;    /* 容器佔滿螢幕 */
    z-index: -1;

    background-image: url('../img/homepage.avif');
    background-size: auto 160%; /* 寬度填滿，高度會超出容器(因為圖片是1800px) */
    background-position: center bottom; /* 初始切齊頂部 */
    background-repeat: no-repeat;

    pointer-events: none;
    /* 移除 will-change: transform，改用背景定位效能也很好 */
}

.bg2 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image: url('../img/foreground.avif');
    background-size: auto 200%;
    background-position: center top; /* 初始切齊頂部 */
    background-repeat: no-repeat;
    pointer-events: none;
    /* transform: scale(1.25);  <- 建議先移除 scale，靠 background-position 控制 */
}

.title {
    font-family: 'LXGW WenKai Mono TC', monospace;
    font-size: 4.25em;
    color: #fff;
    text-shadow:    0 0 5px #fff,
                    0 0 10px #ff00de,
                    0 0 20px #ff00de;
    position: relative;
    text-align: center;
    transform: translateX(20%);
    transition: all .25s ease-out;
}
.subtitle {
    font-family: 'LXGW WenKai Mono TC', monospace;
    margin-top: .5em;
    font-size: .75em;
}

/* Countdown */
.countdown {
    font-family: 'LXGW WenKai Mono TC', monospace;
    font-size: .75em;
    display: flex;
    justify-content: center;
    gap: 0.5em;
    white-space: nowrap;
    margin: 1.5em 0 2em 0;
}
.countdown span {
    min-width: 2ch;
    text-align: center;
}

.countdown-message {
    display: inline-block;
    text-align: center;
}

/* Container for Blocks */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Align items to the top */
    align-items: center;
    gap: 7.5em;
    position: relative;
    z-index: 1;
    margin-bottom: 12.5em;
    margin-top: 10em;
    transform: translateX(-10%);
    transition: all 0.25s ease-out;
}

.block {
    width: 20em;
    height: 10em;
    background-color: #d145b3b1;
    border: .1em solid #b9d7fab1;
    border-radius: 5em;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px #34012984;
    transition: all 0.2s ease-out;
}
.block:hover {
    background-color: #e85ad0;
    border: .1em solid #b9d7fa;
    box-shadow: 0 0 20px #39013269;
    transform: scale(1.05);
}
.block:active {
    transform: scale(0.95);
    transition: all 0.1s ease-out;
}

.block .description {
    font-family: 'LXGW WenKai Mono TC', monospace;
    font-size: 3em;
    padding: .25em .5em;
    color: #ffffff;
    text-align: center;
    transition: all 0.25s ease-out;
}

/* Quotes */
.Quotes {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: static;
    margin: 0 1em;
    font-size: 1.2em;
    color: #c9eaeb;
    transition: all 0.25s ease-out;
}
.Quotes p {
    margin: 0;
    width: 100%;
    text-align: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-out {
    opacity: 0;
    transform: translateY(10px);
}
.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.cr {
    flex: 1;
    text-align: left;
    color: #c9eaeb;
    font-family: 'LXGW WenKai Mono TC', monospace;
    white-space: nowrap;
    font-size: 1.1em;
}

/* footer */
.overlay {
    margin-top: 2em;
    background: linear-gradient(
        to top,
        rgba(0,0,0,.75) 0%,
        rgba(0,0,0,0.5) 50%,
        rgba(0,0,0,0) 100%
    );
    min-height: 10em;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

footer {
    width: 100%;
    display: flex;
    align-items: flex-end;
}

.footer {
    display: grid;
    grid-template-columns: auto auto auto;
    align-items: center;
    padding: 0em 1em;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: .5em;
}

.footer-links {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 1.5em;
}
.footer-links a {
    color: #7ff2f6;
    font-size: 1.75em;
    transition: all 0.3s ease;
}
.footer-links a:hover {
    color: #c71b1b;
}


@media screen and (max-width: 800px) {
    .Quotes {
        font-size: 1.15em;
        transition: all 1s ease-out;
    }
    .title {
        font-size: 2.3em;
        transform: translateX(0%);
    }
    .subtitle {
        font-size: 0.7em;
    }
    .footer-links a {
        font-size: 1.25em;
    }
    .footer-links {
        gap: 1em;
        margin-right: 0em;
        padding: 0.5em 0;
    }
    .container {
        gap: 3em;
        margin-top:14em;
        margin-bottom: 7.5em;
        transform: translateX(0%);
    }
    .block {
        width: 14em;
        height: 6em;
    }
    .block .description {
        font-size: 1.75em;
    }
    .countdown {
        font-size: .75em;
        margin: 1.5em 0 7em 0;
    }
    .cr {
        font-size: 0.9em;
    }
}