/* =========================
   1. Design Tokens
   ========================= */
.clibo:hover{
    color:#43e660
}

:root {
    --color-bg: #1f1f1f;
    --color-surface: #292929;
    --color-text: #ffffff;
    --color-text-muted: #bcbcbc;
    --color-accent: #9e82b3;
    --color-accent-green: #8fd694;
    --color-border: rgba(255, 255, 255, 0.16);

    --container-width: 1200px;
    --container-wide: 1400px;
    --page-width: 90%;

    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 72px;

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --font-xs: 13px;
    --font-sm: 16px;
    --font-md: 18px;
    --font-lg: clamp(28px, 4vw, 42px);
    --font-xl: clamp(40px, 5vw, 64px);

    --shadow-text: 0 2px 14px rgba(0, 0, 0, 0.85);
    --shadow-card:
        0 24px 64px rgba(0, 0, 0, 0.35),
        0 0 48px rgba(109, 70, 135, 0.12);

    --transition-fast: 0.25s ease;
    --transition-slow: 0.55s ease;
}


/* =========================
   2. Base
   ========================= */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: Arial, "Noto Sans TC", sans-serif;
    line-height: 1.6;
}

img,
iframe {
    max-width: 100%;
}

a {
    color: inherit;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: var(--space-sm);
    font-size: var(--font-xl);
    line-height: 1.15;
}

hr {
    width: 100%;
    margin: 0;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.container {
    width: min(var(--container-width), var(--page-width));
    margin-inline: auto;
}

.container h2{
    font-size:var(--font-xl);
}

.section_label {
    margin-bottom: var(--space-xs);
    color: var(--color-accent);
    font-size: var(--font-xs);
    font-weight: 700;
    letter-spacing: 4px;
}

.section_label h1 {
    color:var(--color-text);
}

/* 整個網站 Scrollbar */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.08);
}

::-webkit-scrollbar-thumb {
    background: #e7e7e7;

    border-radius: 999px;
    border: 3px solid var(--color-background);
}

::-webkit-scrollbar-thumb:hover {
    background: #8fd694;
}

::-webkit-scrollbar-corner {
    background: transparent;
}




/* =========================
   3. Header / Navbar
   ========================= */

header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;

    width: 100%;
    padding: var(--space-xs) var(--space-md);

    background: rgba(31, 31, 31, 0.75);
    backdrop-filter: blur(12px);

    box-shadow: var(--shadow-card);
    box-shadow: var(--shadow-card);
    box-shadow: var(--shadow-card);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;

    width: min(var(--container-width), 100%);
    margin-inline: auto;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);

    color: var(--color-text);
    font-weight: 700;
    text-decoration: none;
}

.logoicon {
    display: block;
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}


.menu a {
    position: relative;

    color: var(--color-text);
    text-decoration: none;

    transition:
        color 0.25s ease;
}

.menu a::after {
    content: "";

    position: absolute;
    left: 50%;
    bottom: -6px;

    width: 0;
    height: 2px;

    border-radius: 999px;
    background: var(--color-accent);

    transform: translateX(-50%);

    transition:
        width 0.25s ease;
}

.menu a:hover,
.menu a.is_active {
    color: var(--color-accent);
}

.menu a:hover::after,
.menu a.is_active::after {
    width: 100%;
}

/* =========================
   Navbar Menu Toggle
   ========================= */

.menu_toggle {
    display: none;

    width: 44px;
    height: 44px;
    padding: 10px;

    border: 1px solid var(--color-border);
    border-radius: 50%;

    background: transparent;
    color: var(--color-text);

    cursor: pointer;
}

.menu_toggle span {
    display: block;

    width: 100%;
    height: 2px;

    border-radius: 999px;
    background: currentColor;

    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
}

.menu_toggle span + span {
    margin-top: 6px;
}


/* 開啟後變成 X */

.menu_toggle.is_open span:nth-child(1) {
    transform:
        translateY(8px)
        rotate(45deg);
}

.menu_toggle.is_open span:nth-child(2) {
    opacity: 0;
}

.menu_toggle.is_open span:nth-child(3) {
    transform:
        translateY(-8px)
        rotate(-45deg);
}


/* =========================
   Mobile Navbar
   ========================= */

@media (max-width: 600px) {
    header {
        padding:
            var(--space-xs)
            var(--space-md);
    }

    .navbar {
        position: relative;
    }

    .menu_toggle {
        display: block;
        flex: 0 0 auto;
    }

    .menu {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;

        display: grid;
        width: min(280px, calc(100vw - 32px));
        gap: 4px;

        padding: 10px;

        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);

        background: rgba(31, 31, 31, 0.96);
        backdrop-filter: blur(16px);

        box-shadow:
            0 18px 45px
            rgba(0, 0, 0, 0.35);

        opacity: 0;
        visibility: hidden;
        pointer-events: none;

        transform: translateY(-8px);

        transition:
            opacity 0.22s ease,
            visibility 0.22s ease,
            transform 0.22s ease;
    }

    .menu.is_open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;

        transform: translateY(0);
    }

    .menu a {
        display: block;

        padding: 13px 16px;

        border-radius: 10px;

        text-align: left;
    }

    .menu a::after {
        display: none;
    }

    .menu a:hover,
    .menu a.is_active {
        background: rgba(172, 135, 201, 0.14);
        color: var(--color-primary);
    }
}







/* =========================
   4. Main / Hero
   ========================= */

main {
    min-height: 80vh;
    text-align: center;
}

.hero_box {
    display:flex;
    min-height: 420px;
    align-items: center;
    justify-content: center;

    width: 100%;
    padding: var(--space-2xl) 5%;
    margin-top: var(--space-xl);

    background-image:
        linear-gradient(
            to right,
            rgba(0, 0, 0, 0.45),
            rgba(0, 0, 0, 0.45)
        ),
        url("../images/webshead.png");

    background-size: cover, contain;
    background-position: center center, 70% 0px;
    background-repeat: no-repeat, no-repeat;
}

.hero_box h1,
.hero_box p {
    text-shadow: var(--shadow-text);
}


/* =========================
   5. Media Links
   ========================= */

.media_link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);

    width: 100%;
    min-height: 64px;
    padding: var(--space-sm) var(--space-md);

    background: #ffffff;
}

.media_link a {
    color: var(--color-bg);
    font-size: 24px;
    line-height: 1;
    text-decoration: none;

    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.media_link a:hover {
    transform: scale(1.15) translateY(-3px);
}

.youtube:hover {
    color: #ff0000;
}

.twitch:hover {
    color: #9146ff;
}

.twitter:hover {
    color: #4aa8e8;
}

.linktree:hover {
    color: #43e660;
}

.clibo:hover {
    color: #ff8c00;
}

.discord:hover {
    color: #7289da;
}


/* =========================
   6. Featured Carousel
   ========================= */

.featured {
    overflow: hidden;
    padding: var(--space-2xl) 0;
    background: var(--color-bg);
}

.featured_container {
    width: min(var(--container-wide), 90vw);
    margin-inline: auto;
    
}

.featured_heading {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.featured_heading p,
.latest_label {
    margin-bottom: var(--space-xs);

    color: var(--color-accent);
    font-size: var(--font-xs);
    font-weight: 700;
    letter-spacing: 4px;
}

.featured_heading h2 {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-xl);
    line-height: 1.15;
}
.featured_carousel {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    padding-bottom: 0;
    margin-bottom:var(--space-lg);
}

.featured_track {
    position: relative;

    width: min(1000px, 90vw);

    height: clamp(
        390px,
        calc(50.625vw + 110px),
        673px
    );
}

.featured_card {
    position: absolute;
    top: 0;
    left: 50%;

    width: 100%;

    opacity: 0;
    pointer-events: none;
    filter: brightness(0.55);

    transform:
        translateX(-50%)
        scale(0.72);

    transition:
        transform 0.55s ease,
        opacity 0.55s ease,
        filter 0.55s ease;
}

.featured_card.is_active {
    z-index: 3;

    opacity: 1;
    pointer-events: auto;
    filter: brightness(1);

    transform:
        translateX(-50%)
        scale(1);
}

.featured_card.is_previous {
    z-index: 2;

    opacity: 0.55;

    transform:
        translateX(-105%)
        scale(0.72)
        rotateY(10deg);
}

.featured_card.is_next {
    z-index: 2;

    opacity: 0.55;

    transform:
        translateX(5%)
        scale(0.72)
        rotateY(-10deg);
}

.featured_video,
.latest_video {
    overflow: hidden;

    width: 100%;
    aspect-ratio: 16 / 9;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);

    background: #000000;
    box-shadow: var(--shadow-card);
}

.featured_video iframe,
.latest_video iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.featured_card h3 {
    margin: var(--space-md) 0 var(--space-xs);

    color: var(--color-text);
    font-size: var(--font-lg);
    line-height: 1.25;
    text-align: center;
}

.featured_card p {
    margin: 0;
    color: var(--color-text-muted);
    text-align: center;
}

.featured_button {
    position: absolute;
    z-index: 5;

    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;

    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;

    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);

    font-size: 20px;
    cursor: pointer;
    backdrop-filter: blur(10px);

    transition:
        transform var(--transition-fast),
        background-color var(--transition-fast);
}

.featured_button:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.featured_previous {
    left: 2%;
}

.featured_next {
    right: 2%;
}

.featured_dots {
    position: static;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    margin-top: 20px;

    transform: none;
}

.featured_dot {
    width: 9px;
    height: 9px;
    padding: 0;

    border: 0;
    border-radius: var(--radius-pill);

    background: #666666;
    cursor: pointer;

    transition:
        width 0.3s ease,
        background-color 0.3s ease;
}

.featured_dot.is_active {
    width: 32px;
    background: var(--color-accent);
}


/* =========================
   7. Latest Work
   ========================= */

.latest_work {
    display: flex;
    flex-direction: column;
    align-items: center;

    width: min(var(--container-width), 90vw);
    margin: var(--space-2xl) auto;
    
}

.latest_headin {
    margin-bottom: var(--space-md);
    text-align: center;
}

.latest_headin h2 {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-xl);
    line-height: 1.15;
}

.latest_label {
    margin-bottom: var(--space-md);
}

.latest_video {
    width: min(var(--container-width), 90vw);
}

.latest_text {
    width: min(900px, 90%);
    margin-top: var(--space-lg);
    text-align: center;
}

.latest_text h2 {
    margin: 0 0 var(--space-sm);

    color: var(--color-text);
    font-size: var(--font-xl);
    line-height: 1.3;
}

#latest_title {
    margin: 0 0 var(--space-sm);

    color: var(--color-text);
    font-size: var(--font-lg);
    line-height: 1.3;
}

#latest_intro {
    max-width: 720px;
    margin: 0 auto;

    color: #c7c7c7;
    font-size: var(--font-md);
    line-height: 1.8;
    white-space: pre-line;
}

#latest_link {
    display: inline-block;

    margin-top: var(--space-md);
    padding: 12px 22px;

    border: 1px solid var(--color-text);
    border-radius: var(--radius-pill);

    color: var(--color-text);
    text-decoration: none;

    transition:
        color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

#latest_link:hover {
    background: #ff0000;
    border-color:#ff0000;
    transform: translateY(-2px);
}


/* =========================
   8. Footer
   ========================= */

.footer {
    padding: var(--space-2xl) var(--space-md);

    background: var(--color-bg);
    color: var(--color-text);
    text-align: center;
}

.footer_menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);

    margin: var(--space-lg) 0;
}

.footer_menu a {
    color: var(--color-text);
    text-decoration: none;

    transition: color var(--transition-fast);
}

.footer_menu a:hover {
    color: #8fd694;
}


/* =========================
   9. Responsive
   ========================= */

@media (max-width:768px){

    .hero_box{
        background-size: cover, cover;
    }

    .featured{

        padding:var(--space-2xl) 0;

    }

    .featured_heading{

        margin-bottom:var(--space-lg);

    }

    .featured_track{

        width:90vw;

        height:calc(90vw * 9 / 16 + 90px);

    }

    .featured_card{

        width:100%;

    }

    .featured_card.is_previous,
    .featured_card.is_next{

        opacity:0;

        transform:
            translateX(-50%)
            scale(.8);

    }

    .featured_previous{

        left:10px;

    }

    .featured_next{

        right:10px;

    }

    .featured_button{

        width:44px;
        height:44px;

    }

}



@media (max-width:560px){

    .featured_track{

        width:94vw;

        height:calc(94vw * 9 / 16 + 70px);

    }

    .featured_button{

        width:38px;

        height:38px;

    }

}


/* =========================
   Back To Top
   ========================= */

#back_to_top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 999;

    display: grid;
    place-items: center;

    width: 52px;
    height: 52px;

    border: 1px solid var(--color-border);
    border-radius: 50%;

    background: rgba(25, 25, 25, 0.88);
    backdrop-filter: blur(12px);

    color: var(--color-primary);
    font-size: 18px;

    cursor: pointer;

    margin:12px;

    transform: translateY(3px);

    transition:
        opacity .25s ease,
        transform .25s ease,
        background-color .25s ease,
        color .25s ease,
        border-color .25s ease;
}

#back_to_top.is_visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back_to_top:hover {
    background: var(--color-primary);
    color: #8fd694;
    border-color: var(--color-primary);

    transform:
        translateY(-1px)
        scale(1.02);
}

#back_to_top:active {
    transform: scale(.96);
}

@media (max-width:680px) {

    #back_to_top {
        right: 18px;
        bottom: 18px;

        width: 46px;
        height: 46px;

        font-size: 16px;
    }

}



/* ========================================
   COPYRIGHT MODAL
======================================== */

.copyright_button {
    padding: 0;
    border: 0;
    background: transparent;

    color: var(--color-text-muted);
    font: inherit;

    cursor: pointer;

    transition:
        color var(--transition-fast);
}

.copyright_button:hover {
    color: #8fd694;
}


/* 遮罩 */

.copyright_modal {
    position: fixed;
    inset: 0;
    z-index: 2000;

    display: grid;
    padding: 20px;
    place-items: center;

    background: rgba(0, 0, 0, 0.68);
    backdrop-filter: blur(6px);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity 0.22s ease,
        visibility 0.22s ease;
}

.copyright_modal.is_open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}


/* 視窗 */

.copyright_dialog {
    position: relative;

    width: min(440px, 100%);
    padding: 34px;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);

    background: var(--color-surface);
    color: var(--color-text);

    text-align: center;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);

    opacity: 0;
    transform:
        translateY(16px)
        scale(0.96);

    transition:
        opacity 0.22s ease,
        transform 0.22s ease;
}

.copyright_modal.is_open .copyright_dialog {
    opacity: 1;
    transform:
        translateY(0)
        scale(1);
}

.copyright_dialog h2 {
    margin: 0.35em 0 0.7em;
    font-size: 1.65rem;
}

.copyright_dialog > p {
    line-height: 1.75;
}

.copyright_description {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}


/* 右上角 X */

.copyright_close {
    position: absolute;
    top: 14px;
    right: 14px;

    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;

    border: 1px solid var(--color-border);
    border-radius: 50%;

    background: transparent;
    color: var(--color-text-muted);

    font-size: 16px;
    cursor: pointer;

    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.copyright_close:hover {
    border-color: #8fd694;
    background: #8fd694;
}


/* 確認按鈕 */

.copyright_confirm {
    min-width: 120px;
    min-height: 42px;
    margin-top: 14px;
    padding: 0 20px;

    border: 1px solid;
    border-color:var(--color-text);
    border-radius: var(--radius-pill);

    background: transparent;
    color: var(--color-text);

    font: inherit;
    font-weight: 700;
    cursor: pointer;

    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.copyright_confirm:hover {
    border-color: #8fd694;
    background: #8fd694;

    transform: translateY(-2px);
}


/* 開啟視窗時禁止背景捲動 */

body.modal_open {
    overflow: hidden;
}


@media (max-width: 680px) {
    .copyright_dialog {
        padding: 30px 22px 24px;
    }
}