/* ── RESET & BASE ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg:#eae6e0;--bg2:#e2deda;--fg:#141210;--mid:#7a7672;
    --light:#c0bbb4;--pale:#d4d0ca;--white:#f5f2ed;
    --mono:'IBM Plex Mono',monospace;--static:'Chakra Petch',sans-serif;
    --serif:'Crimson Pro','Georgia',serif;--zh:'Noto Serif SC',serif;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--mono);font-size:14px;line-height:1.6;overflow-x:hidden}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:9000;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ── DARK THEME ── */
html[data-theme="dark"]{--bg:#141210;--bg2:#1c1a18;--fg:#f0ece6;--mid:#7a7570;--light:#4a4642;--pale:#2a2622;--white:#1e1c1a}

/* ── CURSOR ── */
#c-ring,#c-dot{display:none}
@media(any-pointer:fine){
    .hide-cursor #c-ring,.hide-cursor #c-dot{display:block;position:fixed;top:0;left:0;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);opacity:0;transition:width .25s,height .25s,opacity .25s,transform .1s}
    .hide-cursor #c-dot{width:5px;height:5px;background:var(--fg);border-radius:50%}
    .hide-cursor #c-ring{width:30px;height:30px;border:1px solid var(--fg);border-radius:50%}
    .hide-cursor.hovering #c-ring{width:46px;height:46px}
    .hide-cursor.hovering #c-dot{transform:translate(-50%,-50%) scale(0)}
}

/* ── NAVBAR ── */
nav{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:18px 48px;z-index:500;background:linear-gradient(to bottom,var(--bg) 60%,transparent)}
nav::after{content:'';position:absolute;bottom:0;left:48px;right:48px;height:1px;background:var(--pale)}
.n-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg);font-size:14px;letter-spacing:.06em;padding-right:10px}
.n-ver{font-size:12px;color:var(--mid);letter-spacing:.08em}
.nav-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--mid);padding:6px;line-height:1}

/* ── INDEX NAV (two-layered) ── */
.nav-main{display:flex;align-items:center;list-style:none;margin:0;padding:0;position:relative}
.nav-main .nav-sections{display:flex;align-items:center;gap:26px;transition:opacity .25s}
.nav-main .nav-sections a{font-size:clamp(0.8rem,1vw,1rem);letter-spacing:.10em;text-transform:uppercase;text-decoration:none;color:var(--mid);position:relative;transition:color .2s;white-space:nowrap}
.nav-main .nav-sections a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--fg);transition:width .3s}
.nav-main .nav-sections a:hover{color:var(--fg)}
.nav-main .nav-sections a:hover::after{width:100%}
.nav-main.open .nav-sections{opacity:0;pointer-events:none}
.nav-main .nav-pages-reveal{position:absolute;right:120px;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:36px;opacity:0;pointer-events:none;white-space:nowrap}
.nav-main .nav-pages-reveal a{font-size:clamp(0.75rem,1vw,1rem);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:var(--mid);position:relative;transition:color .2s,opacity .3s,transform .3s;opacity:0;transform:translateX(12px);white-space:nowrap}
.nav-main .nav-pages-reveal a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--fg);transition:width .3s}
.nav-main .nav-pages-reveal a:hover{color:var(--fg)}
.nav-main .nav-pages-reveal a:hover::after{width:100%}
.nav-main.open .nav-pages-reveal{opacity:1;pointer-events:auto}
.nav-main.open .nav-pages-reveal a{opacity:1;transform:translateX(0)}
.nav-main .nav-pages-reveal a:nth-child(1){transition-delay:.15s}
.nav-main .nav-pages-reveal a:nth-child(2){transition-delay:.1s}
.nav-main .nav-pages-reveal a:nth-child(3){transition-delay:.05s}
.nav-main .nav-more{position:relative;margin-left:36px;flex-shrink:0}
.nav-main .nav-more::before{content:'|';position:absolute;left:-20px;color:var(--pale);font-weight:300}
.nav-main .nav-more-btn{font-family:var(--mono);font-size:clamp(0.75rem,1vw,1rem);letter-spacing:.12em;text-transform:uppercase;color:var(--mid);background:none;border:none;cursor:pointer;padding:0;transition:color .2s}
.nav-main .nav-more-btn:hover{color:var(--fg)}
.nav-chevron{display:inline-block;width:9px;height:9px;margin-right:6px;vertical-align:middle;position:relative;flex-shrink:0}
.nav-chevron::before{content:'';position:absolute;top:50%;left:50%;width:5px;height:5px;border-left:1.5px solid var(--mid);border-bottom:1.5px solid var(--mid);transform:translate(-50%,-50%) rotate(45deg);transition:transform .25s}
.nav-main.open .nav-chevron::before{transform:translate(-50%,-50%) rotate(-135deg)}

/* ── NON-INDEX NAV ── */
.nav-pages{display:none;gap:36px;list-style:none}
.nav-pages a{font-size:clamp(0.75rem,1vw,1rem);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:var(--mid);position:relative;transition:color .2s}
.nav-pages a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--fg);transition:width .3s}
.nav-pages a:hover{color:var(--fg)}
.nav-pages a:hover::after{width:100%}
.nav-pages a[aria-current="page"]{color:var(--fg)}
.nav-pages a[aria-current="page"]::after{width:100%}
@media(min-width:901px){.nav-pages{display:flex}}

/* ── MOBILE NAV ── */
.n-links{display:none}
@media(max-width:900px){
    .nav-main,.nav-more{display:none}
    .nav-toggle{display:block}
    nav{padding-right:64px}
    .n-links{display:flex;position:absolute;top:calc(100% + 8px);right:24px;background:var(--bg);border:1px solid var(--pale);padding:8px 12px;flex-direction:column;gap:4px;box-shadow:0 10px 30px rgba(0,0,0,.08);z-index:600;max-height:0;overflow:hidden;opacity:0;transform:translateY(-8px);transition:max-height .3s ease,opacity .25s ease,transform .25s ease}
    .n-links.open{max-height:480px;opacity:1;transform:translateY(0)}
    .n-links li{margin:0;transform:translateY(-6px);opacity:0;transition:transform .25s ease,opacity .25s ease}
    .n-links.open li{transform:translateY(0);opacity:1}
    .n-links a{color:var(--fg);font-size:clamp(0.75rem,1vw,1rem);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;position:relative;display:block;padding:8px 4px;border-bottom:1px solid var(--pale);transition:color .2s}
    .n-links a:last-child,.n-links .has-sub-mobile:last-child{border-bottom:none}
    .n-links a:hover{color:var(--mid)}
    .has-sub-mobile{border-bottom:1px solid var(--pale)}
    .has-sub-mobile .sub-toggle{font-family:var(--mono);font-size:clamp(0.75rem,1vw,1rem);letter-spacing:.12em;text-transform:uppercase;color:var(--fg);background:none;border:none;cursor:pointer;padding:8px 4px;width:100%;text-align:left;display:flex;align-items:center;gap:6px;transition:color .2s}
    .has-sub-mobile .sub-toggle:hover{color:var(--mid)}
    .has-sub-mobile .sub-toggle::after{content:'▾';font-size:14px;transition:transform .2s;margin-left:auto}
    .has-sub-mobile.open .sub-toggle::after{transform:rotate(180deg)}
    .sub-links{max-height:0;overflow:hidden;opacity:0;transition:max-height .25s ease,opacity .2s ease;padding-left:16px;display:flex;flex-direction:column;gap:0}
    .has-sub-mobile.open .sub-links{max-height:200px;opacity:1}
    .sub-links a{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mid);text-decoration:none;padding:6px 0;display:block;border:none;transition:color .2s}
    .sub-links a:hover{color:var(--fg)}
}

/* ── TOGGLE DOCK ── */
.toggle-dock{position:fixed;bottom:28px;right:28px;z-index:9998;display:flex;flex-direction:column;align-items:flex-end;gap:8px;transition:bottom .25s}
.toggle-dock.above-footer{bottom:80px}
@media(max-width:900px){.toggle-dock{bottom:16px;right:16px;gap:6px}.toggle-dock.above-footer{bottom:64px}}

/* ── THEME TOGGLE ── */
.theme-toggle{width:44px;height:44px;background:var(--bg);border:1px solid var(--pale);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:border-color .2s,box-shadow .2s;position:relative;overflow:hidden;user-select:none;-webkit-user-select:none}
.theme-toggle:hover{border-color:var(--fg);box-shadow:0 6px 24px rgba(0,0,0,.1)}
.theme-toggle .theme-icon{width:20px;height:20px;stroke:var(--fg)}
.theme-toggle .theme-dark{display:none}
html[data-theme="dark"] .theme-toggle .theme-light{display:none}
html[data-theme="dark"] .theme-toggle .theme-dark{display:block}

/* ── CURSOR TOGGLE ── */
.cursor-toggle{height:44px;flex-shrink:0;background:var(--bg);border:1px solid var(--pale);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--fg);box-shadow:0 4px 16px rgba(0,0,0,.06);transition:border-color .15s,box-shadow .15s;position:relative;overflow:hidden;user-select:none;-webkit-user-select:none;border-radius:4px;width:110px;min-width:110px;box-sizing:border-box}
.cursor-toggle:hover{border-color:var(--fg);box-shadow:0 6px 24px rgba(0,0,0,.1)}
.cursor-toggle .ct-inner{display:flex;align-items:center;gap:8px;white-space:nowrap}
.cursor-toggle .ct-label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg)}
.cursor-toggle .ct-icon{width:20px;height:20px;flex-shrink:0}
.cursor-toggle .ct-icon-on{display:block}
.cursor-toggle .ct-icon-off{display:none}
.cursor-toggle.off{width:44px;min-width:44px;border-radius:4px;transition:border-color .15s,box-shadow .15s,width .25s ease}
.cursor-toggle.off .ct-inner{justify-content:center}
.cursor-toggle.off .ct-label{display:none}
.cursor-toggle.off .ct-icon-on{display:none}
.cursor-toggle.off .ct-icon-off{display:block}
.cursor-toggle.disabled{opacity:.3;pointer-events:none}
.cursor-toggle.disabled:hover{border-color:var(--pale)}
html[data-theme="dark"] .cursor-toggle .ct-icon{stroke:var(--fg)}

/* ── BACK TO TOP ── */
.back-top{position:fixed;bottom:28px;left:28px;z-index:9997;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--pale);font-size:18px;color:var(--mid);cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.06);opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .25s,transform .25s,border-color .2s,color .2s,bottom .25s}
.back-top.above-footer{bottom:80px}
.back-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-top:hover{border-color:var(--fg);color:var(--fg)}
@media(max-width:900px){.back-top{bottom:80px;left:16px;width:40px;height:40px;font-size:16px}.back-top.above-footer{bottom:120px}}

/* ── FOOTER ── */
footer{border-top:1px solid var(--pale);padding:20px 48px;font-size:12px;color:var(--mid);letter-spacing:.08em;display:flex;align-items:center;justify-content:space-between}
.f-links{display:flex;gap:24px;list-style:none}
.f-links a{text-decoration:none;color:var(--mid);font-size:10px;letter-spacing:.1em;text-transform:uppercase;transition:color .2s}
.f-links a:hover{color:var(--fg)}
footer span:last-child{text-align:right}
@media(max-width:900px){footer{padding:24px;flex-direction:column;gap:14px;text-align:center}}

/* ── SCROLL REVEAL ── */
.reveal{transform:translateY(22px)}

/* ── HERO ── */
#hero{
    min-height:100vh;
    display:flex;align-items:center;
    padding:100px 48px 80px;
    position:relative;overflow:hidden;
}
.hero-grid{
    width:100%;max-width:1120px;margin:0 auto;
    display:grid;grid-template-columns:1fr 260px;
    gap:60px;align-items:center;
}
.h-annot{
    position:absolute;font-size:12px;color:var(--mid);
    letter-spacing:.12em;font-style:italic;
}
.h-annot.tr{top:110px;right:55px}
.h-annot.bl{bottom:40px;left:5vw}

.h-badge{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;letter-spacing:.22em;text-transform:uppercase;
    color:var(--mid);margin-bottom:14px;
}
.h-badge::before{content:'';width:20px;height:1px;background:var(--mid);display:block}

.h-title{
    font-family:var(--static);
    font-style:italic;font-weight:400;
    font-size:clamp(30px,5.5vw,65px);
    line-height:1.05;letter-spacing:-.015em;
    margin-bottom:10px;
    display:block;
    white-space:nowrap;
}
.h-title em{font-style:italic;color:var(--mid)}

.h-sub{
    font-family:var(--zh);
    font-size:clamp(15px,1.6vw,20px);
    font-weight:300;color:var(--mid);
    letter-spacing:.18em;margin-bottom:44px;
}

.h-line{
    font-size:12px;color:var(--mid);
    border-left:1px solid var(--pale);
    padding-left:18px;line-height:2;
    margin-bottom:48px;
}

.h-ctas{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.btn-p{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;text-decoration:none;background:var(--fg);color:var(--bg);padding:11px 26px;transition:opacity .2s;white-space:nowrap}
.btn-p:hover{opacity:.75}
.btn-s{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--mid);transition:color .2s;white-space:nowrap}
.btn-s:hover{color:var(--fg)}

/* ── CSS 3D CUBE ── */
.cube-wrap {
    width: clamp(200px, 30vw, 500px);
    height: clamp(260px, 34vw, 520px);
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
}
model-viewer {
    width: 100%;
    height: 100%;
    display: block;
    animation: floatBounce 10s ease-in-out infinite;
    will-change: transform;
}
@keyframes floatBounce {
    0%   { transform: translateY(0px); }
    50%  { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}
model-viewer:hover {animation-play-state: paused;}

/* ── SPINNY THING ── */
.spin{
    overflow:hidden;
    background:var(--fg);padding:11px 0;
    white-space:nowrap;
}
.spin-track{
    display:inline-flex;
    animation:spinRun 35s linear infinite;
}
.s-item{
    font-size:11px;letter-spacing:.18em;text-transform:uppercase;
    color:rgba(234,230,224,.75);padding:0 28px;
}
.s-sep{color:rgba(234,230,224,.25)}
html[data-theme="dark"] .s-item{color:rgba(87,78,65,.8)}
html[data-theme="dark"] .s-sep{color:rgba(87,78,65,.3)}
@keyframes spinRun{
    from{transform:translateX(0)}
    to{transform:translateX(-50%)}
}

/* ── SECTIONS ── */
.section{padding:96px 48px;max-width:1120px;margin:0 auto}
.sec-label{
    font-size:12px;letter-spacing:.26em;text-transform:uppercase;
    color:var(--mid);margin-bottom:64px;
    display:flex;align-items:center;gap:18px;
}
.sec-label span{opacity:.5}
.sec-label::after{content:'';flex:1;height:1px;background:var(--pale)}

/* ── ABOUT ── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.ab-h{
    font-family:var(--static);font-weight:400;
    font-size:clamp(24px,3vw,42px);line-height:1.15;
    margin-bottom:24px;
}
.ab-h em{
    font-family:var(--static);font-style:italic;font-weight:1;
    font-size:clamp(24px,3vw,42px);line-height:1.15;
    margin-bottom:24px;
}
.ab-p{font-size:16px;color:var(--mid);line-height:1.95;margin-bottom:14px}
.ab-p em{font-style:italic;color:var(--fg)}

.meta-grid{
    display:grid;gap:1px;
    background:var(--pale);
    border:1px solid var(--pale);overflow:hidden;
}
.meta-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--pale)}
.meta-cell{background:var(--bg);padding:15px 22px;}
.mc-label{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mid);margin-bottom:6px}
.mc-val{font-size:14px}
.mc-val a{color:var(--fg);text-decoration:none;transition:color .2s}
.mc-val a:hover{color:var(--mid)}
.mc-val.online::before{
    content:'● ';font-size:10px;
    animation:blink 2s step-end infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}

/* ── VIDEOS ── */
#videos .section{padding-top:0}
.vid-grid{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:1px;background:var(--pale);
    border:1px solid var(--pale);overflow:hidden;
}
.vid-card{background:var(--bg);overflow:hidden;transition:background .25s,transform .25s}
.vid-card:hover{background:var(--white);transform:translateY(-2px)}

.vid-thumb{
    aspect-ratio:16/9;
    background:var(--bg2);
    position:relative;overflow:hidden;
    display:flex;align-items:center;justify-content:center;
}
.vid-play{
    width:38px;height:38px;
    border:1.5px solid var(--mid);border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    transition:border-color .25s,transform .25s;
    position:relative;z-index:1;
}
.vid-play::after{
    content:'';
    border:5px solid transparent;
    border-left:9px solid var(--mid);
    margin-left:3px;
    transition:border-left-color .25s;
}
.vid-card:hover .vid-play{border-color:var(--fg);transform:scale(1.08)}
.vid-card:hover .vid-play::after{border-left-color:var(--fg)}

.vid-bg{position:absolute;inset:0;opacity:.3}
.vid-info{padding:22px}
.vid-num{font-size:10px;letter-spacing:.16em;color:var(--mid);margin-bottom:8px}
.vid-ttl{font-size:14px;line-height:1.4;margin-bottom:4px}
.vid-zhttl{font-family:var(--zh);font-size:13px;color:var(--mid)}
.vid-date{font-size:11px;color:var(--light);margin-top:14px;letter-spacing:.06em}

/* VIDEO TAGS */
.vid-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{
    font-size:10px;letter-spacing:.12em;text-transform:uppercase;
    border:1px solid var(--pale);color:var(--mid);
    padding:3px 8px;
}

/* ── SKILLS ── */
#tech .section{padding-top:0}
.sk-grid{
    display:grid;grid-template-columns:repeat(4,1fr);
    gap:1px;background:var(--pale);
    border:1px solid var(--pale);overflow:hidden;
    margin-bottom:40px;
}
.sk-item{
    background:var(--bg);padding:20px 18px;
    transition:background .2s;
    position:relative;overflow:hidden;
}
.sk-item:hover{background:var(--fg)}
.sk-cat{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mid);margin-bottom:8px;transition:color .2s}
.sk-name{font-size:13px;margin-bottom:14px;transition:color .2s}
.sk-bar{height:3px;background:var(--pale);position:relative;transition:background .2s}
.sk-fill{position:absolute;inset:0 auto 0 0;background:var(--fg);transition:background .2s}
.sk-item:hover .sk-cat{color:rgba(114, 111, 108, 0.5)}
.sk-item:hover .sk-name{color:var(--bg)}
.sk-item:hover .sk-bar{background:rgba(234,230,224,.2)}
.sk-item:hover .sk-fill{background:var(--bg)}

/* corner annotation */
.sk-item::after{
    content:attr(data-pct);
    position:absolute;bottom:30px;right:16px;
    font-size:10px;color:var(--light);
    transition:color .2s;letter-spacing:.04em;
}
.sk-item:hover::after{color:#777068}

/* ── CONTACT STRIP ── */
.contact-strip{
    border-top:1px solid var(--pale);
    padding:80px clamp(40px,10vw,200px);
    display:grid;grid-template-columns:1fr auto;
    gap:40px;align-items:center;
    max-width:none;
}
.cs-h{
    font-family:var(--serif);font-style:italic;font-weight:300;
    font-size:clamp(42px,3vw,52px);
    line-height:1.1;
}
.cs-sub{
    font-family:var(--zh);font-size:clamp(15px,3vw,20px);font-weight:350;
    color:var(--mid);letter-spacing:.12em;margin-top:10px;
}
.cs-links{display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.cs-link{
    font-size:14px;
    letter-spacing:.14em;
    text-transform:uppercase;
    text-decoration:none;
    color:var(--mid);
    display:flex;
    align-items:center;
    gap:10px;
    transition:color .2s;
}
.cs-link::after{
    content:'→';
    transition:transform .2s;
}
.cs-link:hover{color:var(--fg)}
.cs-link:hover::after{transform:translateX(4px)}

/* ── SCANLINE ── */
.scanline-el{position:absolute;width:100%;height:2px;background:rgba(0,0,0,.04);pointer-events:none;animation:scanDown 6s linear infinite}
@keyframes scanDown{from{top:-4px}to{top:100%}}

/* ── DARK MODE OVERRIDES ── */
html[data-theme="dark"] .h-title{color:#9a9590}
html[data-theme="dark"] .h-title em,html[data-theme="dark"] .h-sub,html[data-theme="dark"] .ab-p em,html[data-theme="dark"] .mc-val,html[data-theme="dark"] .vid-ttl,html[data-theme="dark"] .sk-name,html[data-theme="dark"] .cs-h{color:var(--fg)}
html[data-theme="dark"] .ab-p,html[data-theme="dark"] .cs-sub{color:#9a9590}
html[data-theme="dark"] .mc-label{color:var(--light)}

/* ── PAGE HEADER (sub-pages) ── */
.page-header{padding:140px 48px 60px;max-width:1120px;margin:0 auto}
.page-label{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--mid);margin-bottom:24px;display:flex;align-items:center;gap:18px}
.page-label::after{content:'';flex:1;height:1px;background:var(--pale)}
.page-title{font-family:var(--static);font-style:italic;font-weight:400;font-size:clamp(32px,5.5vw,64px);line-height:1.05;letter-spacing:-.015em;margin-bottom:12px}
.page-title em{font-style:italic;color:var(--mid)}
.page-sub{font-family:var(--zh);font-size:clamp(15px,1.6vw,20px);font-weight:300;color:var(--mid);letter-spacing:.18em}

/* ── TIMELINE ── */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:14px;top:0;bottom:0;width:1px;background:var(--pale)}
.tl-item{position:relative;margin-bottom:48px}
.tl-item::before{content:'';position:absolute;left:-33px;top:6px;width:7px;height:7px;background:var(--fg);border-radius:50%}
.tl-date{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mid);margin-bottom:8px}
.tl-title{font-family:var(--static);font-size:18px;font-weight:400;margin-bottom:6px}
.tl-desc{font-size:14px;color:var(--mid);line-height:1.8}
.tl-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}

/* ── ARCHIVE ── */
.archive-wrap{max-width:800px;margin:0 auto;padding:0 48px 96px}
.archive-year{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--mid);margin:48px 0 24px;display:flex;align-items:center;gap:18px}
.archive-year::after{content:'';flex:1;height:1px;background:var(--pale)}
.archive-year:first-child{margin-top:0}

.post-card{display:block;text-decoration:none;color:var(--fg);padding:24px 0;border-bottom:1px solid var(--pale);transition:padding-left .2s;position:relative}
.post-card:hover{padding-left:12px}
.post-card::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--fg);transition:height .2s}
.post-card:hover::before{height:60%}
.post-meta{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.post-date{font-size:11px;letter-spacing:.14em;color:var(--light)}
.post-tags{display:flex;gap:6px}
.post-tag{font-size:10px;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--pale);color:var(--mid);padding:2px 7px}
.post-title{font-family:var(--static);font-size:18px;font-weight:400;margin-bottom:6px;transition:color .2s}
.post-card:hover .post-title{color:var(--fg)}
.post-excerpt{font-size:13px;color:var(--mid);line-height:1.7}
.post-lang{font-family:var(--zh);font-size:12px;color:var(--light);margin-top:4px}

.empty-state{text-align:center;padding:80px 0;color:var(--mid)}
.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.3}
.empty-state p{font-size:14px;line-height:1.8}

/* ── REPO ── */
.repo-wrap{max-width:1120px;margin:0 auto;padding:0 48px 96px}

.stats-bar{display:flex;align-items:center;gap:32px;margin-bottom:48px;padding:20px 24px;border:1px solid var(--pale);background:var(--bg)}
.stat-item{display:flex;flex-direction:column;gap:4px}
.stat-num{font-family:var(--static);font-size:24px;font-weight:500;line-height:1}
.stat-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mid)}
.stat-sep{width:1px;height:36px;background:var(--pale);flex-shrink:0}

.repo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--pale);border:1px solid var(--pale);overflow:hidden;margin-bottom:48px}
.repo-card{background:var(--bg);padding:32px;display:flex;flex-direction:column;gap:16px;transition:background .25s,transform .25s;position:relative}
.repo-card:hover{background:var(--white);transform:translateY(-2px)}

.repo-top{display:flex;align-items:flex-start;justify-content:between;gap:12px}
.repo-name{font-family:var(--static);font-size:18px;font-weight:500;display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.repo-name a{color:var(--fg);text-decoration:none;transition:color .2s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.repo-name a:hover{color:var(--mid)}
.repo-icon{width:18px;height:18px;flex-shrink:0;opacity:.5}
.repo-badge{font-size:10px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--pale);color:var(--mid);padding:3px 8px;flex-shrink:0;white-space:nowrap}
.repo-badge.fork{border-color:var(--light);color:var(--light)}

.repo-desc{font-size:14px;color:var(--mid);line-height:1.7;flex:1}
.repo-desc:empty::after{content:'No description provided.';font-style:italic;color:var(--light)}

.repo-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.repo-lang{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--mid)}
.lang-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.repo-stars{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--mid)}
.repo-stars svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5}
.repo-updated{font-size:11px;color:var(--light);letter-spacing:.04em;margin-left:auto}

.gh-cta{display:flex;align-items:center;justify-content:space-between;padding:32px 36px;border:1px solid var(--pale);background:var(--bg);gap:24px}
.gh-cta-left{display:flex;flex-direction:column;gap:6px}
.gh-cta-title{font-family:var(--static);font-size:18px;font-weight:400}
.gh-cta-sub{font-size:13px;color:var(--mid)}
.gh-cta-btn{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;text-decoration:none;background:var(--fg);color:var(--bg);padding:11px 26px;transition:opacity .2s;white-space:nowrap;flex-shrink:0}
.gh-cta-btn:hover{opacity:.75}

.loading-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;gap:16px;background:var(--bg)}
.loading-spinner{width:28px;height:28px;border:2px solid var(--pale);border-top-color:var(--fg);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:12px;color:var(--mid);letter-spacing:.1em}

.error-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;gap:12px;background:var(--bg);text-align:center}
.error-state p{font-size:14px;color:var(--mid);line-height:1.7}
.error-retry{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg);background:none;border:1px solid var(--pale);padding:8px 20px;cursor:pointer;transition:border-color .2s}
.error-retry:hover{border-color:var(--fg)}

/* ── RESPONSIVE ── */
@media(max-width:900px){
    nav{padding:16px 24px}
    nav::after{left:24px;right:24px}
    .n-ver{display:none}
    .contact-strip{grid-template-columns:1fr;padding:60px 24px}
    .cs-links{align-items:flex-start}

    #hero{padding:100px 24px 60px}
    .hero-grid{grid-template-columns:1fr;gap:40px}
    .cube-wrap{display:none}
    .section{padding:60px 24px}
    .about-grid{grid-template-columns:1fr;gap:40px}
    .vid-grid{grid-template-columns:1fr}
    .sk-grid{grid-template-columns:repeat(2,1fr)}
    .h-annot{display:none}
    .h-title{white-space:normal;overflow:visible;font-size:clamp(24px,7vw,46px);line-height:1.05}
    .h-title > span,.h-title em > span{display:block;white-space:nowrap}
    .h-title br{display:none}
    .h-line{padding-left:12px;word-break:break-word;overflow-wrap:break-word}

    .cursor-toggle,.theme-toggle{width:40px;height:40px}
    .cursor-toggle.on{width:90px}
    .cursor-toggle .ct-icon,.theme-toggle .theme-icon{width:18px;height:18px}
    .cursor-toggle .ct-label{font-size:9px}

    .page-header{padding:120px 24px 40px}
    .section{padding:48px 24px}
    .timeline{padding-left:32px}
    .timeline::before{left:10px}
    .tl-item::before{left:-29px}

    .archive-wrap{padding:0 24px 60px}

    .repo-wrap{padding:0 24px 60px}
    .repo-grid{grid-template-columns:1fr}
    .stats-bar{flex-wrap:wrap;gap:20px}
    .stat-sep{display:none}
    .gh-cta{flex-direction:column;align-items:flex-start;padding:24px}
}