/* ============ tokens — brand palette from fejin.in ============ */
:root{
  --bg:#f7fdf9; --surface:#ffffff; --mint:#ecfdf5; --mint2:#d1fae5; --ink:#0f2a1f; --muted:#4b6358; --line:#d9efe3;
  --accent:#047857; --accent2:#10b981; --accent3:#34d399; --teal:#14b8a6;
  --grad:linear-gradient(120deg,#047857,#10b981 55%,#14b8a6);
  --code-bg:#0f2a1f; --code-ink:#d1fae5;
  --shadow:0 1px 2px rgba(4,120,87,.06),0 8px 24px rgba(4,120,87,.08);
  --shadow-lg:0 4px 10px rgba(4,120,87,.08),0 22px 48px rgba(4,120,87,.16);
  --display:"Space Grotesk",Inter,system-ui,sans-serif; --sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --maxw:1200px; --gut:clamp(16px,4vw,40px); --ease:cubic-bezier(.2,.8,.2,1); --nav-h:72px;
}

/* ============ base ============ */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{color-scheme:light;scroll-behavior:smooth;scroll-padding-top:var(--nav-h);-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--sans);overflow-x:hidden;transition:background .4s,color .4s}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit}
::selection{background:var(--accent2);color:#fff}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.mono{font-family:var(--mono);font-size:.8rem;letter-spacing:.01em}
.dim{color:var(--muted)}
.c-acc{color:var(--accent2)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;z-index:200;border-radius:8px}
.skip:focus{left:8px}

/* ============ loader ============ */
.loader{display:none}
.js .loader{display:flex;position:fixed;inset:0;clip-path:inset(0 0 0% 0);z-index:150;background:#0b1a14;color:#d1fae5;align-items:center;justify-content:center;padding:24px}
.loaded .loader{display:none}
.loader-inner{width:min(420px,100%);display:grid;gap:8px;font-size:.85rem}
.loader .dim{color:#7fa593}
.loader-row{display:flex;align-items:center;gap:14px;margin-top:10px}
.loader-bar{flex:1;height:3px;background:#173326;border-radius:3px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,#10b981,#14b8a6)}
.loader-count{min-width:4ch;text-align:right;color:#34d399}

/* ============ progress + cursor ============ */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.progress span{display:block;height:100%;background:var(--grad);transform-origin:0 50%;transform:scaleX(0)}
.cursor{display:none}
@media (pointer:fine){
  .cursor{display:block;position:fixed;left:0;top:0;width:34px;height:34px;margin:-17px 0 0 -17px;border:1.5px solid var(--accent2);border-radius:50%;pointer-events:none;z-index:130;opacity:0;transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),background .3s,opacity .3s}
  .cursor.on{opacity:1}
  .cursor.hover{width:64px;height:64px;margin:-32px 0 0 -32px;background:color-mix(in srgb,var(--accent2) 14%,transparent)}
}

/* ============ nav ============ */
.nav{position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);transition:background .3s,border-color .3s,transform .4s var(--ease);border-bottom:1px solid transparent}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom-color:var(--line)}
.nav.hide{transform:translateY(-100%)}
.nav-inner{display:flex;align-items:center;gap:14px;height:100%}
.mark{margin-right:auto}
.mark-badge{display:inline-grid;place-items:center;height:38px;padding:0 13px;border-radius:12px;background:var(--grad);color:#fff;font:700 .95rem/1 var(--display);letter-spacing:.06em;box-shadow:0 4px 14px rgba(4,120,87,.28);transition:transform .3s var(--ease)}
.mark:hover .mark-badge{transform:rotate(-5deg) scale(1.06)}
.mark-badge.sm{height:24px;padding:0 8px;border-radius:7px;font-size:.62rem;vertical-align:middle;margin-right:6px;box-shadow:none}
.nav-links{display:flex;gap:6px}
.nav-links a{display:block;padding:8px 12px;border-radius:99px;font-size:.92rem;color:var(--muted);transition:color .2s,background .2s}
.nav-links a .mono{color:var(--accent2);font-size:.72rem}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--mint)}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;cursor:pointer;transition:border-color .2s,transform .2s,background .2s}
.icon-btn:hover{border-color:var(--accent2);transform:translateY(-1px)}
.theme-btn svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.theme-btn .moon{display:none}
.menu-btn{display:none;position:relative}
.menu-btn span{position:absolute;left:12px;right:12px;height:1.5px;background:currentColor;transition:transform .3s var(--ease)}
.menu-btn span:first-child{transform:translateY(-4px)}
.menu-btn span:last-child{transform:translateY(4px)}
.nav.open .menu-btn span:first-child{transform:rotate(45deg)}
.nav.open .menu-btn span:last-child{transform:rotate(-45deg)}

/* ============ buttons (scramble + magnetic) ============ */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 26px;border-radius:99px;font:600 .95rem/1 var(--display);letter-spacing:.01em;overflow:hidden;isolation:isolate;cursor:pointer;border:0;transition:color .4s var(--ease),box-shadow .3s}
.btn span{position:relative;z-index:1;pointer-events:none}
.btn-solid{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(4,120,87,.28)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:11px 18px;font-size:.85rem}
.btn-lg{padding:20px 34px;font-size:1.05rem}

/* ============ hero ============ */
.hero{position:relative;min-height:100svh;padding-top:calc(var(--nav-h) + clamp(28px,6vw,72px));padding-bottom:64px;overflow:hidden;isolation:isolate}
.particle-bg{position:absolute;inset:0;width:100%;height:100%;z-index:-2;display:block}
.grid-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.35;-webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 75%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);align-items:center}
.status{display:inline-flex;align-items:center;gap:10px;padding:8px 15px;border-radius:99px;background:color-mix(in srgb,var(--surface) 80%,transparent);border:1px solid var(--line);backdrop-filter:blur(8px);color:var(--muted)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent2);box-shadow:0 0 0 0 rgba(16,185,129,.55);animation:pulse 2s infinite;flex:none}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.term{margin-top:28px;color:var(--ink);font-size:.95rem}
.caret{display:inline-block;width:.6em;height:1.1em;background:var(--accent2);vertical-align:-.18em;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-title{font:700 clamp(3.6rem,11.5vw,9.5rem)/.9 var(--display);letter-spacing:-.045em;margin-top:10px}
.split-line{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em}
.split-line>*{display:inline-block}
.split .ch{display:inline-block;will-change:transform}
.hero-title .ch{color:var(--ink)}
.hero-title .ch:nth-last-child(-n+2){color:var(--accent2)}
.rotator-wrap{font:500 clamp(1.4rem,3vw,2.3rem)/1.2 var(--display);letter-spacing:-.02em;margin-top:14px;display:flex;flex-wrap:wrap;gap:.3em}
.rotator{position:relative;display:inline-grid;overflow:hidden;height:1.25em}
.rotator span{grid-area:1/1;white-space:nowrap;transform:translateY(110%);opacity:0;transition:transform .7s var(--ease),opacity .7s var(--ease);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rotator span.is-in{transform:none;opacity:1}
.rotator span.is-out{transform:translateY(-110%);opacity:0}
.lede{font-size:clamp(1rem,1.4vw,1.12rem);color:var(--muted);max-width:54ch;margin-top:22px}
.lede strong{color:var(--ink);font-weight:600}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.hero-visual{position:relative;padding:28px 0 90px}
.portrait{position:relative;width:min(100%,380px);margin-left:auto}
.portrait-frame{border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/5;background:var(--mint)}
.portrait img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1s var(--ease)}
.portrait:hover img{transform:scale(1.1)}
.portrait::before{content:"";position:absolute;inset:-14px;border-radius:36px;border:1.5px dashed color-mix(in srgb,var(--accent2) 60%,transparent);z-index:-1}
.portrait figcaption{position:absolute;right:16px;top:16px;display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:99px;background:rgba(11,26,20,.7);color:#ecfdf5;backdrop-filter:blur(8px);font-size:.72rem}
.code-card{position:absolute;left:-8%;bottom:0;width:min(400px,92%);background:var(--code-bg);color:var(--code-ink);border-radius:18px;box-shadow:0 24px 60px rgba(4,40,28,.35);border:1px solid rgba(52,211,153,.18);overflow:hidden}
.code-top{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid rgba(52,211,153,.12)}
.code-top i{width:10px;height:10px;border-radius:50%;background:#ff5f57}
.code-top i:nth-child(2){background:#febc2e}
.code-top i:nth-child(3){background:#28c840}
.code-top span{margin-left:8px;color:#7fa593;font-size:.72rem}
.code-card pre{padding:14px 16px 16px;font-size:clamp(.66rem,1vw,.76rem);line-height:1.75;overflow-x:auto;white-space:pre}
.code-card .ln{display:inline-block}
.k{color:#34d399}.v{color:#99f6e4}.s{color:#fde68a}.n{color:#fca5a5}.c{color:#6b8f7f;font-style:italic}.f{color:#5eead4}
.float-icons{position:absolute;inset:0;pointer-events:none}
.chip{position:absolute;left:var(--x);top:var(--y);width:54px;height:54px;border-radius:16px;background:#fff;display:grid;place-items:center;box-shadow:var(--shadow-lg);border:1px solid #e3f3ea;animation:bob 6s ease-in-out infinite}
.chip:nth-child(2){animation-delay:-1.5s}.chip:nth-child(3){animation-delay:-3s}.chip:nth-child(4){animation-delay:-4.5s}.chip:nth-child(5){animation-delay:-2.2s}
@keyframes bob{50%{translate:0 -12px}}
.chip img{width:28px;height:28px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:clamp(40px,6vw,72px)}
.stats>div{padding:20px 22px;border-radius:20px;background:color-mix(in srgb,var(--surface) 72%,transparent);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.stats dt{color:var(--accent2)}
.stats dd{font:700 clamp(2rem,3.6vw,2.8rem)/1.1 var(--display);letter-spacing:-.03em;margin-top:6px;display:flex;align-items:baseline;flex-wrap:wrap;gap:0 8px}
.stats small{font:400 .85rem var(--sans);color:var(--muted);letter-spacing:0}
.scroll-hint{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:.68rem}
.scroll-hint i{width:1.5px;height:34px;background:linear-gradient(var(--accent2),transparent);animation:drip 1.8s var(--ease) infinite;transform-origin:top}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ============ logo marquee ============ */
.marquee{border-block:1px solid var(--line);background:var(--surface);overflow:hidden;padding:22px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-list{display:flex;gap:14px;padding-right:14px}
.marquee-list li{display:flex;align-items:center;gap:10px;padding:10px 18px 10px 12px;border-radius:99px;border:1px solid var(--line);background:var(--bg);white-space:nowrap;font:500 .95rem var(--display)}
.marquee-list img{width:26px;height:26px;padding:3px;border-radius:7px;background:#fff}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ sections ============ */
.section{padding-block:clamp(64px,9vw,112px);position:relative}
.sec-head{margin-bottom:clamp(36px,5vw,60px)}
.sec-idx{color:var(--accent2);display:block;margin-bottom:14px}
.sec-title{font:700 clamp(2.4rem,6vw,4.6rem)/1 var(--display);letter-spacing:-.04em}

.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(32px,6vw,90px);align-items:start}
.scrub-text{font:500 clamp(1.4rem,2.7vw,2.15rem)/1.35 var(--display);letter-spacing:-.02em}
.scrub-text .w{opacity:.16}
.no-gsap .scrub-text .w{opacity:1}
.about-side>p{color:var(--muted)}
.edu-card{margin-top:28px;padding:24px;border-radius:20px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.edu-card h3{font:600 1.25rem/1.25 var(--display);margin:8px 0 4px;letter-spacing:-.01em}

/* scroll text band */
.scroll-text{overflow:hidden;padding-block:clamp(20px,4vw,48px);font:700 clamp(3rem,10vw,8.5rem)/1.05 var(--display);letter-spacing:-.04em;white-space:nowrap;user-select:none}
.st-row{width:max-content}
.st-a{-webkit-text-stroke:1.5px var(--accent2);color:transparent}
.st-b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:-30vw}

/* ============ craft slider ============ */
.craft-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.slider-ctrl{display:flex;gap:10px;margin-bottom:clamp(36px,5vw,60px)}
.slider-ctrl .icon-btn{width:52px;height:52px;font-size:1.1rem}
.slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:10px max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut))) 20px;scroll-padding-inline:max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut)));cursor:grab;overscroll-behavior-x:contain}
.slider::-webkit-scrollbar{display:none}
.slider.dragging{cursor:grabbing;scroll-snap-type:none;user-select:none}
.slider.dragging .slide{pointer-events:none}
.slide{flex:0 0 min(440px,84vw);scroll-snap-align:start;padding:32px;border-radius:26px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;min-height:340px;transition:border-color .3s}
.slide:hover{border-color:var(--accent2)}
.slide-n{color:var(--accent2)}
.slide h3{font:700 clamp(1.6rem,2.6vw,2.1rem)/1.1 var(--display);letter-spacing:-.03em;margin-top:28px}
.slide p{color:var(--muted)}
.snippet{margin-top:auto;padding:14px 16px;border-radius:14px;background:var(--code-bg);color:var(--code-ink);font-size:.76rem;overflow-x:auto;white-space:pre}
.dots{display:flex;gap:8px;margin-top:20px}
.dots button{width:28px;height:6px;border-radius:6px;border:0;background:var(--line);cursor:pointer;transition:width .4s var(--ease),background .3s}
.dots button[aria-selected="true"]{width:56px;background:var(--accent2)}

/* ============ contact ============ */
.contact{position:relative;overflow:hidden;background:#0b1a14;color:#ecfdf5;padding-block:clamp(100px,14vw,180px);isolation:isolate}
.contact-inner{position:relative}
.contact .sec-idx{color:#34d399}
.contact-title{font:700 clamp(2.8rem,8vw,6.6rem)/.98 var(--display);letter-spacing:-.045em;max-width:13ch}
.contact-title .hl{color:#34d399}
.contact .lede{color:#a7c4b5}
.contact-term{margin-top:28px;color:#d1fae5}
.contact .btn-solid{margin-top:24px}

.foot{background:#0b1a14;color:#a7c4b5;border-top:1px solid #1f3a2e}
.foot-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-block:26px;font-size:.75rem}
.foot .dim{color:#7fa593}
.foot a:hover{color:#34d399}

/* ============ responsive ============ */
@media (max-width:1024px){
}
@media (max-width:900px){
  .nav-links{position:absolute;top:var(--nav-h);left:12px;right:12px;flex-direction:column;padding:12px;border-radius:20px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s,transform .3s var(--ease),visibility .3s}
  .nav.open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:12px 14px}
  .menu-btn{display:grid}
  .nav-cta{display:none}
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .hero-visual{max-width:440px;width:100%;margin-inline:auto;padding-bottom:110px}
  .portrait{margin-inline:auto;width:min(78%,340px)}
  .code-card{left:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .craft-head{flex-direction:column;align-items:flex-start}
  .slider-ctrl{margin-top:-20px}
  .scroll-hint{display:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .chip{width:44px;height:44px;border-radius:13px}
  .chip img{width:22px;height:22px}
  .cta-row .btn{flex:1 1 100%}
}

/* ============ reduced motion ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .scrub-text .w{opacity:1}
}

/* ============ ABOUT — compiled code ============ */
.about-code{position:relative}
.al-pin{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-block:calc(var(--nav-h) + 8px) 48px;overflow:hidden;isolation:isolate}
.al-glyphs{z-index:-1}
.al-inner{width:100%}
.al-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
.al-head .sec-idx{margin:0}
.al-hint{animation:bob 2.4s ease-in-out infinite}
.al-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(20px,3vw,40px);align-items:stretch}

.editor{background:var(--code-bg);color:var(--code-ink);border-radius:20px;border:1px solid rgba(52,211,153,.2);box-shadow:0 30px 80px rgba(4,40,28,.35);display:flex;flex-direction:column;overflow:hidden}
.ed-top{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid rgba(52,211,153,.12);background:rgba(255,255,255,.02)}
.ed-dots{display:flex;gap:7px;margin-right:12px}
.ed-dots i{width:10px;height:10px;border-radius:50%;background:#ff5f57}
.ed-dots i:nth-child(2){background:#febc2e}.ed-dots i:nth-child(3){background:#28c840}
.ed-tab{font-size:.72rem;padding:5px 12px;border-radius:8px;color:#d1fae5}
.ed-tab:first-of-type{background:rgba(52,211,153,.1);box-shadow:inset 0 -2px 0 #10b981}
.ed-tab.dim{color:#5f8574}
.ed-body{position:relative;display:flex;flex:1;padding:14px 0 18px;--lh:1.72em;font-size:clamp(.66rem,.95vw,.8rem)}
.ed-hl{position:absolute;left:0;right:0;top:14px;height:var(--lh);background:rgba(16,185,129,.09);border-left:2px solid #10b981;pointer-events:none}
.ed-gutter{flex:none;width:3.4em;text-align:right;padding-right:1em;color:#3f6354;line-height:var(--lh);font-size:1em;user-select:none}
.ed-gutter li.on{color:#7fa593}
.ed-code{flex:1;min-width:0;line-height:var(--lh);font-size:1em;white-space:pre;overflow:hidden;padding-right:12px}
.ed-code .line{display:block;height:var(--lh)}
.ed-code .ch{display:inline-block;white-space:pre;transform-origin:50% 100%;will-change:transform}
.ed-code .t-c{color:#5f8574;font-style:italic}.ed-code .t-s{color:#fde68a}.ed-code .t-k{color:#34d399}
.ed-code .t-n{color:#fca5a5}.ed-code .t-p{color:#99f6e4}.ed-code .t-t{color:#5eead4}
.ed-status{display:flex;gap:16px;align-items:center;padding:8px 14px;font-size:.68rem;background:#10b981;color:#04261a}
.ed-state{display:flex;align-items:center;gap:7px;margin-right:auto}
.ed-led{width:7px;height:7px;border-radius:50%;background:#04261a;animation:blink 1s steps(1) infinite}
.editor.done .ed-led{animation:none}

.output{position:relative;display:flex;flex-direction:column;gap:16px;padding:22px;border-radius:20px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);box-shadow:var(--shadow-lg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.out-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.72rem;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.out-badge{padding:3px 10px;border-radius:99px;background:var(--mint);color:var(--muted);transition:background .3s,color .3s}
.out-badge.ok{background:var(--accent2);color:#fff}
.out-title{font:700 clamp(1.9rem,3.6vw,3rem)/1.02 var(--display);letter-spacing:-.04em}
.output>p{color:var(--muted);font-size:clamp(.92rem,1.1vw,1.02rem)}
.output strong{color:var(--ink);font-weight:600}
.out-chips{display:flex;flex-wrap:wrap;gap:6px}
.out-chips li{font:500 .72rem var(--mono);padding:5px 10px;border-radius:8px;background:var(--mint);color:var(--accent);border:1px solid var(--line)}
.output .edu-card{margin:0;padding:16px 18px;box-shadow:none}
.output .edu-card h3{font-size:1.05rem}

.al-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--line)}
.al-progress span{display:block;height:100%;background:var(--grad);transform:scaleX(0);transform-origin:0 50%}

@media (max-width:900px){
  .al-pin{min-height:0;padding-block:72px 120px}
  .al-grid{grid-template-columns:1fr}
  .al-hint{display:none}
  .ed-body{font-size:.6rem}
  .ed-gutter{width:2.6em;padding-right:.7em}
}

/* ============ EXPERIENCE — git commit graph ============ */
.gl-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.gl-term{margin-bottom:clamp(36px,5vw,60px);padding:14px 18px;border-radius:14px;background:var(--code-bg);color:var(--code-ink);font-size:.8rem;line-height:1.8;box-shadow:var(--shadow)}
.gl-term .dim{color:#7fa593}
.gitlog{overflow-x:clip}
.gl-list{--gw:124px;position:relative}
.gl-canvas{position:absolute;left:0;top:0;width:var(--gw);height:100%}
.gl-commits{padding-left:var(--gw);display:grid;gap:26px}
.gl-track{fill:none;stroke:var(--line);stroke-width:4;stroke-linecap:round}
.gl-conn{stroke:var(--line);stroke-width:2;stroke-dasharray:3 5;transition:stroke .4s}
.gl-conn.on{stroke:var(--accent2)}
.gl-fill{fill:none;stroke:url(#gl-grad);stroke-width:7;stroke-linecap:round}
.nd-ring{fill:var(--bg);stroke:var(--line);stroke-width:3;transition:stroke .4s}
.nd-ring.on{stroke:var(--accent2)}
.nd-splash{fill:none;stroke:var(--accent2);stroke-width:2;opacity:0;transform-box:fill-box;transform-origin:center}
.nd-splash.go{animation:splash .8s var(--ease)}
@keyframes splash{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(2.8)}}
.gl-root{stroke:var(--line);stroke-width:4;stroke-linecap:round}

.cm-card{position:relative;padding:22px 26px 24px;border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s,border-color .4s,box-shadow .4s}
.cm-card:hover{border-color:var(--accent2);box-shadow:var(--shadow-lg)}
.commit.branch .cm-card{margin-left:clamp(0px,3vw,36px)}
.cm-top{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.72rem}
.cm-hash{color:var(--accent2);font-weight:700}
.ref{padding:3px 9px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}
.ref.head{background:var(--accent2);border-color:var(--accent2);color:#fff}
.ref.tag{border-style:dashed}
.cm-date{margin-left:auto;color:var(--muted)}
.cm-card h3{font:700 clamp(1.35rem,2.4vw,1.85rem)/1.15 var(--display);letter-spacing:-.025em;margin-top:12px}
.cm-type{font-size:.55em;color:var(--accent2);vertical-align:.25em;margin-right:4px;letter-spacing:0}
.cm-co{margin-top:4px;font-weight:500}
.cm-co .mono{font-size:.72rem}
.cm-body{display:grid;grid-template-columns:1.35fr minmax(180px,.65fr);gap:20px;margin-top:14px;align-items:start}
.cm-body>p{color:var(--muted)}
.cm-diff{display:grid;gap:2px;padding:12px 14px;border-radius:12px;background:var(--code-bg);font-size:.74rem;white-space:normal}
.cm-diff span{color:#34d399;transition:opacity .5s var(--ease),transform .5s var(--ease);transition-delay:calc(var(--i,0)*70ms + 200ms)}

/* scroll-driven states (only when JS drives the graph) */
.gl-live .cm-card{opacity:.35;transform:translateX(26px)}
.gl-live .commit.on .cm-card{opacity:1;transform:none}
.gl-live .cm-diff span{opacity:0;transform:translateX(-10px)}
.gl-live .commit.on .cm-diff span{opacity:1;transform:none}
.gl-live .commit.on.current .cm-card{border-color:var(--accent2)}

@media (max-width:900px){
  .gl-list{--gw:50px}
  .gl-commits{gap:18px}
  .cm-card{padding:18px}
  .cm-body{grid-template-columns:1fr}
  .cm-date{margin-left:0;width:100%}
  .commit.branch .cm-card{margin-left:0}
}

/* ============ STACK — dependency graph ============ */
.jar-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.jar-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:5px;border-radius:99px;background:var(--surface);border:1px solid var(--line);margin-bottom:clamp(36px,5vw,60px)}
.jar-tabs button{border:0;background:none;cursor:pointer;padding:9px 14px;border-radius:99px;font:500 .88rem var(--sans);color:var(--muted);transition:background .3s,color .3s}
.jar-tabs button .mono{font-size:.68rem;opacity:.7;margin-left:2px}
.jar-tabs button:hover{color:var(--ink)}
.jar-tabs button[aria-selected="true"]{background:var(--accent2);color:#fff}
.jar-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.75fr);gap:clamp(18px,2.5vw,32px);align-items:stretch}
.jar-term{position:absolute;left:18px;bottom:14px;color:#a7f3d0;font-size:.72rem}
.jar-count{color:#6b8f7f}

.pkg{border-radius:24px;background:var(--code-bg);color:var(--code-ink);border:1px solid rgba(52,211,153,.18);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}
.pkg-top{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(52,211,153,.12);font-size:.74rem}
.pkg-top .dim{color:#5f8574}
.pkg-code{padding:12px 0;font-size:clamp(.68rem,.9vw,.78rem);line-height:1.85;overflow:auto;flex:1}
.pkg-code .row{display:block;padding:0 16px;transition:background .25s,opacity .35s,color .25s;cursor:default}
.pkg-code .row.dep{cursor:pointer}
.pkg-code .row.dim{opacity:.25}
.pkg-code .row.hot{background:rgba(16,185,129,.16);box-shadow:inset 2px 0 0 #10b981}
.pkg-code .k{color:#99f6e4}.pkg-code .s{color:#fde68a}.pkg-code .c{color:#5f8574;font-style:italic}.pkg-code .p{color:#6b8f7f}

@media (max-width:900px){
  .jar-grid{grid-template-columns:1fr}
  .jar-tabs{border-radius:18px}
  .pkg-code{max-height:360px}
}

/* ============ CONTACT — API request ============ */
.api{padding-block:clamp(90px,12vw,150px)}
.api-glow{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(40% 50% at 85% 10%,rgba(16,185,129,.28),transparent 70%),radial-gradient(35% 45% at 5% 95%,rgba(20,184,166,.18),transparent 70%),linear-gradient(rgba(52,211,153,.06) 1px,transparent 1px) 0 0/48px 48px,linear-gradient(90deg,rgba(52,211,153,.06) 1px,transparent 1px) 0 0/48px 48px}
.api-head .lede{max-width:56ch}
.api-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:20px;margin-top:clamp(40px,6vw,64px)}
.api-req,.api-res{position:relative;border-radius:22px;background:#07130e;border:1px solid #1f3a2e;box-shadow:0 30px 70px rgba(0,0,0,.35);overflow:hidden}
.req-bar{display:flex;align-items:center;gap:10px;padding:12px;border-bottom:1px solid #1f3a2e}
.method{padding:8px 12px;border-radius:10px;background:rgba(253,230,138,.12);color:#fde68a;font-weight:700;font-size:.78rem}
.url{flex:1;min-width:0;padding:9px 12px;border-radius:10px;background:#0b1a14;border:1px solid #1f3a2e;color:#ecfdf5;font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.url .dim{color:#6b8f7f}
.send{padding:11px 20px}
.req-tabs{display:flex;gap:18px;padding:10px 16px 0;font-size:.72rem;color:#6b8f7f;border-bottom:1px solid #1f3a2e}
.req-tabs span{padding-bottom:9px}
.req-tabs .on{color:#ecfdf5;box-shadow:inset 0 -2px 0 #10b981}
.req-tabs i{font-style:normal;padding:0 6px;border-radius:6px;background:#173326;color:#a7f3d0;margin-left:2px}
.req-tabs .dim{margin-left:auto}
.req-body{padding:14px 16px 18px;font-size:.84rem;line-height:2;color:#d1fae5}
.jl{display:flex;align-items:baseline;flex-wrap:nowrap;white-space:nowrap}
.jl .ln{width:2.2em;flex:none;color:#3f6354;user-select:none}
.jl .k{color:#99f6e4;margin-left:1.2em}
.jl .s{color:#fde68a}
.jl .p{color:#6b8f7f}
.jl input,.jl select,.jl textarea{font:inherit;color:#fde68a;background:transparent;border:0;border-bottom:1px dashed #2c5242;outline:none;padding:0 2px;min-width:0;flex:1;transition:border-color .2s,background .2s}
.jl select{flex:0 1 auto;cursor:pointer;background:#0b1a14}
.jl select option{background:#0b1a14;color:#fde68a}
.jl input::placeholder,.jl textarea::placeholder{color:#4d7464;font-style:italic}
.jl input:focus,.jl select:focus,.jl textarea:focus{border-bottom-color:#10b981;background:rgba(16,185,129,.07)}
.jl-msg{align-items:flex-start}
.jl textarea{resize:vertical;line-height:1.6;padding-top:.2em;white-space:pre-wrap;min-height:4.8em}
.api-req.shake{animation:shake .45s}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
.api-req .invalid{border-bottom-color:#f87171!important;background:rgba(248,113,113,.08)!important}

.api-res{display:flex;flex-direction:column;min-height:320px;isolation:isolate}
.res-bar{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid #1f3a2e;font-size:.75rem;color:#ecfdf5}
.res-status{padding:3px 10px;border-radius:99px;background:#173326;color:#a7f3d0}
.res-status.ok{background:#10b981;color:#04261a;font-weight:700}
.res-status.bad{background:#f87171;color:#3b0a0a;font-weight:700}
.res-time{margin-left:auto}
.res-body{flex:1;padding:16px;font-size:.8rem;line-height:1.8;color:#d1fae5;white-space:pre-wrap;word-break:break-word}
.res-body .c{color:#5f8574;font-style:italic}.res-body .k{color:#99f6e4}.res-body .s{color:#fde68a}.res-body .n{color:#fca5a5}
.res-cta{margin:0 16px 16px;align-self:flex-start;background:#ecfdf5;color:#0b1a14;border:0}

.api-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.api-card{padding:20px 22px;border-radius:20px;background:rgba(17,36,27,.75);border:1px solid #1f3a2e;display:flex;flex-direction:column;gap:6px;backdrop-filter:blur(8px)}
.api-card .dim,.api .dim{color:#7fa593}
.clock{font:700 clamp(1.8rem,3vw,2.4rem)/1.1 var(--mono);color:#ecfdf5;letter-spacing:-.02em}
.avail{display:flex;align-items:center;gap:10px;font:600 1.1rem var(--display);color:#ecfdf5}
.li-link{font:600 1.05rem var(--display);color:#34d399;word-break:break-all}
.li-link:hover{text-decoration:underline}
.copy{align-self:flex-start;margin-top:4px;padding:6px 12px;border-radius:99px;border:1px solid #2c5242;background:transparent;color:#a7f3d0;cursor:pointer;font-size:.72rem;transition:background .2s,color .2s}
.copy:hover{background:#10b981;color:#04261a}

@media (max-width:900px){
  .api-grid,.api-cards{grid-template-columns:1fr}
  .req-body{font-size:.74rem}
  .jl .k{margin-left:.4em}
  .jl{flex-wrap:wrap}
  .jl-msg textarea{flex-basis:100%;margin-left:2.2em}
}
.api .send{margin-top:0}

/* ============ PARTICLE VERSION additions ============ */
.fx{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:125}
.btn-solid:hover{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 35%,transparent),0 12px 30px rgba(4,120,87,.35);filter:brightness(1.06)}
.btn-ghost:hover{border-color:var(--accent2);color:var(--accent2)}
.btn span{font-variant-ligatures:none}
.contact .btn-solid:hover{color:#fff}

.loader-canvas{width:100%;height:150px;display:block;margin-bottom:6px}

.portrait-frame{position:relative}
.rain{position:absolute;inset:0;width:100%;height:100%;opacity:0;pointer-events:none;mix-blend-mode:screen}

.al-particles{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:-1}

/* stack graph */
.graph{position:relative;height:clamp(480px,62vh,600px);border-radius:28px;overflow:hidden;background:#07130e;border:1px solid #1f3a2e;box-shadow:var(--shadow-lg);touch-action:pan-y;background-image:linear-gradient(rgba(52,211,153,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(52,211,153,.05) 1px,transparent 1px);background-size:32px 32px}
.graph-canvas{position:absolute;inset:0;width:100%;height:100%}
.graph-nodes{position:absolute;inset:0}
.gnode{position:absolute;left:0;top:0;display:flex;align-items:center;gap:8px;padding:7px 12px 7px 7px;border-radius:12px;background:#0f2a1f;border:1px solid #1f3a2e;color:#ecfdf5;font:600 .8rem var(--sans);white-space:nowrap;cursor:grab;user-select:none;touch-action:none;will-change:transform;transition:opacity .35s,border-color .25s,box-shadow .25s,background .25s}
.gnode img,.gnode .gl{width:24px;height:24px;border-radius:7px;background:#fff;padding:3px;flex:none}
.gnode .gl{display:grid;place-items:center;font:700 .6rem var(--mono);color:#047857;background:#ecfdf5;padding:0}
.gnode.core{font-size:.9rem;padding:9px 14px 9px 9px}
.gnode.core img,.gnode.core .gl{width:28px;height:28px}
.gnode.dim{opacity:.22}
.gnode.hot{border-color:#34d399;box-shadow:0 0 0 3px rgba(52,211,153,.25),0 0 24px rgba(52,211,153,.25);background:#123a2a}
.gnode.drag{cursor:grabbing}
.graph-hint{position:absolute;top:14px;left:18px;color:#6b8f7f;font-size:.7rem}

/* contact */
.api-net{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.res-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:#173326;overflow:hidden}
.res-progress span{display:block;height:100%;width:100%;background:linear-gradient(90deg,#10b981,#14b8a6);transform:scaleX(0);transform-origin:0 50%;transition:transform .9s cubic-bezier(.7,0,.2,1)}
.api-res.sending .res-progress span{transform:scaleX(.85)}
.api-res.done .res-progress span{transform:scaleX(1)}
.api-res.err .res-progress span{transform:scaleX(1);background:#f87171}
.api-res{transition:border-color .4s,box-shadow .4s}
.api-res.done{border-color:#10b981;box-shadow:0 0 0 1px rgba(16,185,129,.4),0 30px 70px rgba(0,0,0,.35)}
.api-res.err{border-color:#f87171}

@media (max-width:900px){ .graph{height:500px} }

/* ============ LIGHT THEME — green only as the accent between ============ */
.js .loader{background:#f7fdf9;color:#0f2a1f}
.loader .dim{color:#4b6358}
.loader .c-acc,.loader-count{color:#047857}
.loader-bar{background:#d9efe3}

.contact{background:linear-gradient(180deg,#ecfdf5 0%,#f7fdf9 60%);color:#0f2a1f;border-top:1px solid #d9efe3}
.api-glow{background:radial-gradient(40% 50% at 85% 10%,rgba(16,185,129,.16),transparent 70%),radial-gradient(35% 45% at 5% 95%,rgba(20,184,166,.12),transparent 70%)}
.contact .sec-idx{color:#047857}
.contact-title .hl{color:#10b981}
.contact .lede{color:#4b6358}
.api-card{background:#fff;border-color:#d9efe3;box-shadow:var(--shadow)}
.api-card .dim,.api .api-card .dim{color:#4b6358}
.clock,.avail{color:#0f2a1f}
.li-link{color:#047857}
.copy{border-color:#d9efe3;color:#047857}
.copy:hover{background:#10b981;color:#fff}

.foot{background:#fff;color:#4b6358;border-top:1px solid #d9efe3}
.foot .dim{color:#4b6358}
.foot a:hover{color:#047857}

.graph{background-color:#fff;border-color:#d9efe3;background-image:linear-gradient(rgba(16,185,129,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(16,185,129,.07) 1px,transparent 1px)}
.gnode{background:#fff;border-color:#d9efe3;color:#0f2a1f;box-shadow:0 4px 14px rgba(4,120,87,.08)}
.gnode img,.gnode .gl{border:1px solid #e3f3ea}
.gnode.hot{background:#ecfdf5;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,.2),0 8px 24px rgba(4,120,87,.18)}
.graph-hint{color:#4b6358}
.graph .jar-term{color:#047857}
.graph .jar-count{color:#4b6358}
.res-cta[hidden]{display:none}

/* ============ CINEMA — landing → coding world ============ */
.world,.fall-canvas{display:none}
.cinema .hero{height:100vh;min-height:0;padding-top:calc(var(--nav-h) + 2vh);padding-bottom:0;perspective:1400px}
.cinema .hero-stage{position:relative;z-index:2;transform-style:preserve-3d}
.cinema .hero-copy,.cinema .hero-visual,.cinema .hero-stats{transform-origin:0% 50%;will-change:transform,opacity}
.cinema .hero-title{font-size:clamp(3.6rem,min(11vw,15vh),9.5rem)}
.cinema .hero-visual{padding:2vh 0 min(90px,10vh)}
.cinema .portrait{width:min(100%,380px,40vh)}
.cinema .stats{margin-top:clamp(16px,3vh,48px)}
.cinema .stats>div{padding:14px 20px}
.cinema .world{display:block;position:absolute;inset:0;z-index:1;perspective:1000px;perspective-origin:50% 45%;overflow:hidden;visibility:hidden;opacity:0;pointer-events:none}
.cinema .fall-canvas{display:block;position:fixed;left:0;top:0;width:100vw;height:100vh;z-index:90;pointer-events:none}
.world-caps{display:none}
.cinema .world-caps{display:block;position:absolute;inset:0;z-index:2;pointer-events:none}
.world-cam{position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d}
.wpanel{position:absolute;left:0;top:0;width:max-content;max-width:440px;border-radius:16px;background:#0f2a1f;color:#d1fae5;border:1px solid rgba(52,211,153,.25);box-shadow:0 30px 60px rgba(4,60,40,.25);backface-visibility:hidden;will-change:transform,opacity}
.wpanel.light{background:#fff;color:#0f2a1f;border-color:#d9efe3;box-shadow:0 30px 60px rgba(4,120,87,.16)}
.wp-top{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid rgba(52,211,153,.15);font:500 .68rem var(--mono);color:#7fa593}
.wpanel.light .wp-top{border-color:#e3f3ea;color:#4b6358}
.wp-top i{width:8px;height:8px;border-radius:50%;background:#ff5f57}.wp-top i:nth-child(2){background:#febc2e}.wp-top i:nth-child(3){background:#28c840}
.wp-top span{margin-left:6px}
.wpanel pre{margin:0;padding:12px 16px 14px;font:500 13px/1.6 var(--mono);white-space:pre}
.wpanel .k{color:#34d399}.wpanel .s{color:#fde68a}.wpanel .n{color:#fca5a5}.wpanel .c{color:#6b8f7f;font-style:italic}
.wpanel.light .k{color:#047857}.wpanel.light .s{color:#b45309}.wpanel.light .n{color:#be123c}
.wsym{position:absolute;left:0;top:0;font:700 120px/1 var(--display);color:transparent;-webkit-text-stroke:2px #10b981;white-space:nowrap;will-change:transform,opacity}
.world-floor{position:absolute;left:-60%;right:-60%;bottom:-6%;height:70%;transform:rotateX(78deg);transform-origin:50% 100%;background-image:linear-gradient(rgba(16,185,129,.35) 1.5px,transparent 1.5px),linear-gradient(90deg,rgba(16,185,129,.35) 1.5px,transparent 1.5px);background-size:80px 80px;-webkit-mask-image:linear-gradient(transparent,#000 60%);mask-image:linear-gradient(transparent,#000 60%)}
.world-caps span{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);font:700 clamp(3rem,8vw,7rem)/1 var(--display);letter-spacing:-.045em;white-space:nowrap;opacity:0;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ CODE PORTRAIT ============ */
.portrait-frame.has-code{background:#fff;background-image:linear-gradient(rgba(16,185,129,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(16,185,129,.06) 1px,transparent 1px);background-size:16px 16px;cursor:none}
.portrait-frame.has-code img{opacity:0}
.code-portrait{position:absolute;inset:0;width:100%;height:100%;display:block}
.portrait:hover img{transform:scale(1.06)}
/* keep the code portrait's face clear of the profile.ts card */
@media (min-width:901px){
  .code-card{left:-34%;bottom:-6px;width:min(340px,80%)}
  .code-card pre{font-size:.68rem}
}
.grid-bg{display:none}

/* ============ HERO — code solar system + paper plane ============ */
.orbit-front{position:absolute;inset:0;width:100%;height:100%;z-index:4;pointer-events:none}

/* ============ COSMOS — code solar system behind the page ============ */
.cosmos{position:fixed;inset:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}
.particle-bg{display:none}

/* ============ DARK MODE (optional, toggle in nav) ============ */
:root[data-theme="dark"]{color-scheme:dark;--bg:#0b1a14;--surface:#11241b;--mint:#12291f;--mint2:#173326;--ink:#e6f5ec;--muted:#9bb5a8;--line:#1f3a2e;--accent:#34d399;--accent2:#10b981;--accent3:#6ee7b7;--code-bg:#07130e;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);--shadow-lg:0 4px 10px rgba(0,0,0,.3),0 22px 48px rgba(0,0,0,.4)}
.theme-btn .moon{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .moon{display:block}
:root[data-theme="dark"].js .loader{background:#0b1a14;color:#d1fae5}
:root[data-theme="dark"] .loader .dim{color:#7fa593}
:root[data-theme="dark"] .loader-bar{background:#173326}
:root[data-theme="dark"] .contact{background:linear-gradient(180deg,#0f2a1f 0%,#0b1a14 60%);color:#ecfdf5;border-top-color:#1f3a2e}
:root[data-theme="dark"] .contact .sec-idx,:root[data-theme="dark"] .contact-title .hl{color:#34d399}
:root[data-theme="dark"] .contact .lede{color:#a7c4b5}
:root[data-theme="dark"] .api-card{background:#11241b;border-color:#1f3a2e}
:root[data-theme="dark"] .api-card .dim{color:#7fa593}
:root[data-theme="dark"] .clock,:root[data-theme="dark"] .avail{color:#ecfdf5}
:root[data-theme="dark"] .li-link,:root[data-theme="dark"] .copy{color:#34d399}
:root[data-theme="dark"] .copy{border-color:#2c5242}
:root[data-theme="dark"] .foot{background:#07130e;color:#a7c4b5;border-top-color:#1f3a2e}
:root[data-theme="dark"] .foot .dim{color:#7fa593}
:root[data-theme="dark"] .graph{background-color:#07130e;border-color:#1f3a2e;background-image:linear-gradient(rgba(52,211,153,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(52,211,153,.05) 1px,transparent 1px)}
:root[data-theme="dark"] .gnode{background:#0f2a1f;border-color:#1f3a2e;color:#ecfdf5;box-shadow:none}
:root[data-theme="dark"] .gnode.hot{background:#123a2a;border-color:#34d399}
:root[data-theme="dark"] .graph-hint,:root[data-theme="dark"] .graph .jar-count{color:#6b8f7f}
:root[data-theme="dark"] .graph .jar-term{color:#a7f3d0}
:root[data-theme="dark"] .portrait-frame.has-code{background-color:#07130e;background-image:linear-gradient(rgba(52,211,153,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(52,211,153,.06) 1px,transparent 1px)}
:root[data-theme="dark"] .wpanel.light{background:#11241b;color:#d1fae5;border-color:#1f3a2e}
:root[data-theme="dark"] .wpanel.light .k{color:#34d399}:root[data-theme="dark"] .wpanel.light .s{color:#fde68a}
:root[data-theme="dark"] .chip,:root[data-theme="dark"] .marquee-list img{background:#fff}

/* let the giant code sun show through the Stack panels */
.graph-sec .graph{background-color:rgba(255,255,255,.72)}
.graph-sec .pkg{background:rgba(15,42,31,.93)}
:root[data-theme="dark"] .graph-sec .graph{background-color:rgba(7,19,14,.66)}
:root[data-theme="dark"] .graph-sec .pkg{background:rgba(7,19,14,.9)}

/* ============ STACK — periodic table of code ============ */
.ptable-sec{--g-frontend:#059669;--g-backend:#0d9488;--g-data:#4d7c0f;--g-arch:#b45309;min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-h) + 16px) 0 40px;position:relative}
:root[data-theme="dark"] .ptable-sec{--g-frontend:#34d399;--g-backend:#2dd4bf;--g-data:#a3e635;--g-arch:#fbbf24}
.pt-inner{width:100%}
.pt-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.pt-head .sec-title{font-size:clamp(2rem,4.4vw,3.6rem)}
.pt-legend{display:flex;flex-wrap:wrap;gap:8px}
.lg{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);backdrop-filter:blur(6px);color:var(--ink);font:500 .85rem var(--sans);cursor:pointer;transition:border-color .2s,background .2s}
.lg i{width:10px;height:10px;border-radius:3px;background:var(--c)}
.lg .mono{font-size:.68rem;opacity:.6}
.lg[data-cat="frontend"]{--c:var(--g-frontend)}.lg[data-cat="backend"]{--c:var(--g-backend)}.lg[data-cat="data"]{--c:var(--g-data)}.lg[data-cat="arch"]{--c:var(--g-arch)}
.lg:hover,.lg[aria-pressed="true"]{border-color:var(--c)}
.lg[aria-pressed="true"]{background:color-mix(in srgb,var(--c) 18%,transparent)}

.ptable{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:10px;margin-top:clamp(20px,4vh,40px)}
.el{--c:var(--g-frontend);position:relative;aspect-ratio:1/1.08;min-width:0;padding:8px 9px;border-radius:12px;border:1px solid color-mix(in srgb,var(--c) 45%,transparent);background:color-mix(in srgb,var(--surface) 62%,transparent);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);color:var(--ink);display:flex;flex-direction:column;justify-content:space-between;text-align:left;cursor:pointer;overflow:hidden;font:inherit;transition:transform .35s var(--ease),box-shadow .35s,opacity .4s,border-color .3s}
.el::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c)}
.el.g-backend{--c:var(--g-backend)}.el.g-data{--c:var(--g-data)}.el.g-arch{--c:var(--g-arch)}
.el-n{font-size:.62rem;color:var(--muted)}
.el img{position:absolute;top:8px;right:8px;width:18px;height:18px;padding:2px;border-radius:5px;background:#fff}
.el-sym{font:700 clamp(1.3rem,2.5vw,2.2rem)/1 var(--display);letter-spacing:-.03em;color:var(--c)}
.el-name{font:500 .62rem/1.2 var(--mono);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.el:hover,.el:focus-visible,.el.pinned{transform:translateY(-6px) scale(1.07);z-index:2;border-color:var(--c);box-shadow:0 0 0 1px var(--c),0 12px 34px color-mix(in srgb,var(--c) 40%,transparent)}
.el.rel{border-style:dashed;border-color:var(--c)}
.el.dim{opacity:.22}
.pt-wait .el{opacity:0;transform:translateY(28px) scale(.9)}
.el{transition-delay:0s}
.pt-wait .el,.ptable-sec:not(.pt-wait) .el:not(:hover){transition-delay:var(--d)}
.ptable-sec:not(.pt-wait) .el:hover{transition-delay:0s}

.pt-detail{grid-column:2/12;grid-row:1;display:flex;align-items:center;gap:14px;min-width:0;padding:8px 14px;border-radius:14px;background:color-mix(in srgb,var(--code-bg) 88%,transparent);color:#d1fae5;border:1px solid rgba(52,211,153,.2);overflow:hidden}
.pd-tile{--c:#34d399;flex:none;height:100%;aspect-ratio:1;max-height:80px;border-radius:10px;border:1px solid var(--c);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;position:relative}
.pd-tile.g-frontend{--c:#34d399}.pd-tile.g-backend{--c:#2dd4bf}.pd-tile.g-data{--c:#a3e635}.pd-tile.g-arch{--c:#fbbf24}
.pd-n{position:absolute;top:4px;left:6px;font-size:.6rem;color:#7fa593}
.pd-sym{font:700 1.6rem/1 var(--display);color:var(--c)}
.pd-name{font-size:.55rem;color:#a7c4b5;max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pd-out{margin:0;font-size:clamp(.62rem,.85vw,.74rem);line-height:1.45;white-space:pre;overflow:hidden;color:#d1fae5}

@media (max-width:820px){
  .ptable-sec{min-height:0;padding-block:72px}
  .ptable{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
  .el{grid-column:auto!important;grid-row:auto!important}
  .pt-detail{grid-column:1/-1;grid-row:auto;height:96px}
}
.ptable-sec .wrap{max-width:1360px}

/* ============ STACK — everything orbits the core ============ */
.orbit-sec{position:relative}
.orb-pin{position:relative;height:100vh;overflow:hidden}
.orb-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.orb-head{position:absolute;left:0;right:0;top:calc(var(--nav-h) + 4vh);z-index:2}
.orb-head .sec-title{font-size:clamp(2.2rem,4.6vw,3.8rem)}
.orb-hint{margin-top:14px}
.orb-panel{--c:#34d399;position:absolute;z-index:3;left:max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut)));top:50%;width:min(440px,36vw);padding:22px 24px;border-radius:20px;background:color-mix(in srgb,var(--surface) 78%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid color-mix(in srgb,var(--c) 40%,transparent);box-shadow:0 20px 60px rgba(0,0,0,.25);opacity:0;transform:translateY(-50%)}
.orb-panel::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--c)}
.op-top{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted)}
.op-group{color:var(--c);text-transform:uppercase;letter-spacing:.08em}
.op-title{font:700 clamp(2rem,3.6vw,3.2rem)/1.02 var(--display);letter-spacing:-.04em;margin-top:10px;min-height:1.05em;color:var(--ink)}
.op-desc{margin-top:12px;color:var(--muted);min-height:4.8em}
.op-code{margin-top:14px;padding:10px 12px;border-radius:10px;background:var(--code-bg);color:#fde68a;font-size:.74rem;white-space:pre-wrap;word-break:break-word;min-height:2.6em}
.op-deps{margin-top:10px;font-size:.72rem;color:var(--c);min-height:1.2em}
.orb-progress{position:absolute;z-index:3;right:max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut)));bottom:5vh;display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--ink)}
.orb-progress .op-count{font:700 1.4rem var(--display);color:var(--accent2)}
.orb-progress i{display:block;width:140px;height:3px;border-radius:3px;background:var(--line);overflow:hidden}
.orb-progress b{display:block;height:100%;background:var(--grad);transform:scaleX(0);transform-origin:0 50%}
.orb-list{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* reduced motion / no JS: a plain readable list */
.orb-static .orb-pin{height:auto;overflow:visible;padding:calc(var(--nav-h) + 20px) 0 60px}
.orb-static .orb-head{position:static}
.orb-static .orb-canvas,.orb-static .orb-panel,.orb-static .orb-progress,.orb-static .orb-hint{display:none}
.orb-static .orb-list{position:static;width:auto;height:auto;clip:auto;max-width:var(--maxw);margin:30px auto 0;padding:0 var(--gut);display:grid;gap:10px;list-style:none}
.orb-static .orb-list li{padding:14px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.orb-static .orb-list b{color:var(--ink)}
@media (max-width:820px){
  .orb-panel{left:var(--gut);right:var(--gut);width:auto;top:auto;bottom:9vh;transform:none!important;padding:16px 18px}
  .op-title{font-size:1.8rem}.op-desc{min-height:0;font-size:.92rem}
  .orb-progress{bottom:2.5vh}
}

/* two panels: one under each flying skill */
.orb-panel{top:auto;bottom:11vh;width:min(420px,34vw);transform:none}
.orb-panel.left{left:max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut)))}
.orb-panel.right{left:auto;right:max(var(--gut),calc((100vw - var(--maxw))/2 + var(--gut)))}
.orb-panel .op-title{font-size:clamp(1.7rem,2.8vw,2.5rem)}
.orb-panel .op-desc{min-height:3.4em;font-size:.95rem}
.orb-progress{left:50%;right:auto;transform:translateX(-50%);bottom:3.5vh}
@media (max-width:820px){
  .orb-panel{bottom:9vh;width:calc(50% - var(--gut) - 6px);padding:12px 12px 14px}
  .orb-panel.left{left:var(--gut)}.orb-panel.right{right:var(--gut)}
  .orb-panel .op-title{font-size:1.15rem}.orb-panel .op-desc{font-size:.78rem;min-height:0}
  .orb-panel .op-code,.orb-panel .op-deps{display:none}
}

/* Contact sits inside the coding orbits (cosmos.js draws them behind) */
.contact,:root[data-theme="dark"] .contact{background:transparent;border-top:0}
.api-net{display:none}
.api-glow{background:none}

/* ============ CONTACT — orbit ============ */
.orbit-contact{padding:0}
.oc-stage{position:relative;min-height:100vh;display:grid;place-items:center;padding:calc(var(--nav-h) + 20px) var(--gut) 40px;max-width:1280px;margin:0 auto}
.oc-center{position:relative;z-index:2;text-align:center;max-width:760px;display:flex;flex-direction:column;align-items:center}
.oc-center .sec-idx{margin-bottom:18px}
.orbit-contact .contact-title{font:700 clamp(2.6rem,6.4vw,5.6rem)/.98 var(--display);letter-spacing:-.045em;max-width:none}
.orbit-contact .lede{margin:22px auto 0;max-width:46ch;color:var(--muted)}
:root[data-theme="dark"] .orbit-contact .lede{color:#a7c4b5}
.oc-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}
.oc-actions .btn{margin-top:0}
.oc-cards{list-style:none;margin:0;padding:0}
.oc-card{position:absolute;left:50%;top:50%;z-index:1;min-width:190px;padding:14px 18px;border-radius:16px;background:color-mix(in srgb,var(--surface) 82%,transparent);border:1px solid var(--line);box-shadow:var(--shadow-lg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:4px;will-change:transform,opacity;transition:border-color .25s,box-shadow .25s}
.oc-card:hover{border-color:var(--accent2);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 25%,transparent),var(--shadow-lg)}
.oc-k{font-size:.68rem;color:var(--accent2)}
.oc-v{font:600 1.05rem/1.25 var(--display);color:var(--ink);display:flex;align-items:center;gap:8px;white-space:nowrap}
.oc-v.clock{font:700 1.5rem var(--mono);letter-spacing:-.02em}
.oc-link{display:flex;flex-direction:column;gap:4px;color:inherit;text-decoration:none}
.oc-link:hover .oc-v{color:var(--accent2)}
@media (max-width:900px){
  .oc-stage{display:block;min-height:0;padding-block:90px 60px}
  .oc-center{margin:0 auto}
  .oc-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:40px}
  .oc-card{position:static;min-width:0}
  .oc-v{white-space:normal;font-size:.95rem}.oc-v.clock{font-size:1.2rem}
}
@media (prefers-reduced-motion:reduce){
  .oc-stage{display:block;min-height:0}
  .oc-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:40px}
  .oc-card{position:static}
}
.astro{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:-2}
/* glass output panel so the astronaut shows through */
.about-code .output{background:color-mix(in srgb,var(--surface) 52%,transparent);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}

/* ============ ABOUT — impact (meteors) ============ */
.impact{position:relative}
.im-pin{position:relative;height:100vh;overflow:hidden}
.im-sky{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.im-center{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:2;width:min(760px,90vw);text-align:center}
.im-center .sec-idx{opacity:0;transition:opacity .6s}
.im-center.hit .sec-idx{opacity:1}
.im-title{font:700 clamp(2.6rem,6.4vw,5.4rem)/1 var(--display);letter-spacing:-.045em;opacity:0;transform:scale(.6);filter:blur(14px);transition:opacity .5s,transform .7s cubic-bezier(.2,1.4,.3,1),filter .6s}
.im-title.on{opacity:1;transform:none;filter:none}
.im-lede{margin:22px auto 0;max-width:56ch;color:var(--muted);font-size:clamp(.95rem,1.25vw,1.08rem);opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s var(--ease)}
.im-lede.on{opacity:1;transform:none}
.im-cards{list-style:none;margin:0;padding:0}
.im-card{position:absolute;z-index:2;transform:translate(-50%,-50%) scale(.4);opacity:0;width:min(290px,40vw);padding:16px 18px;border-radius:18px;background:color-mix(in srgb,var(--surface) 72%,transparent);border:1px solid color-mix(in srgb,var(--accent2) 35%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 0 40px rgba(16,185,129,.12),var(--shadow-lg);display:flex;flex-direction:column;gap:4px;transition:opacity .45s,transform .6s cubic-bezier(.2,1.5,.3,1)}
.im-card.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.im-card[data-i="0"]{left:18%;top:26%}.im-card[data-i="1"]{left:82%;top:26%}.im-card[data-i="2"]{left:18%;top:76%}.im-card[data-i="3"]{left:82%;top:76%}
.im-k{font-size:.68rem;color:var(--accent2)}
.im-v{font:700 clamp(1.3rem,2.1vw,1.8rem)/1.1 var(--display);letter-spacing:-.02em;color:var(--ink)}
.im-d{font-size:.88rem;color:var(--muted)}
.im-hint{position:absolute;left:50%;bottom:5vh;transform:translateX(-50%);z-index:2;color:var(--muted);transition:opacity .4s}
@media (max-width:900px){
  .im-center{top:30%}
  .im-card{width:44vw;padding:12px 12px}
  .im-card[data-i="0"]{left:27%;top:62%}.im-card[data-i="1"]{left:73%;top:62%}.im-card[data-i="2"]{left:27%;top:84%}.im-card[data-i="3"]{left:73%;top:84%}
  .im-v{font-size:1.1rem}.im-d{font-size:.75rem}
}
.im-static .im-pin{height:auto;padding:calc(var(--nav-h) + 40px) var(--gut) 60px}
.im-static .im-center{position:static;transform:none;margin:0 auto}
.im-static .im-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:760px;margin:30px auto 0}
.im-static .im-card{position:static;transform:none;width:auto}
.orb-progress{white-space:nowrap}
.slide{min-width:0}.slide .snippet{max-width:100%}

/* ===== responsive QA fixes ===== */
/* About: on phones/tablets lay the title, text and cards out in a column instead of
   absolute positions, so the cards can never cover the paragraph on short screens */
@media (max-width:900px){
  .im-pin{display:flex;flex-direction:column;justify-content:center;gap:18px;height:100vh;height:100svh;padding:calc(var(--nav-h) + 8px) var(--gut) 44px;box-sizing:border-box}
  .im-center{position:relative;left:auto;top:auto;transform:none;width:100%;max-width:640px;margin:0 auto}
  .im-title .grad{white-space:nowrap}
  .im-title{font-size:clamp(2rem,9.5vw,3.4rem)}
  .im-lede{margin-top:12px}
  .im-cards{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;max-width:640px;margin:0 auto}
  .im-card,.im-card[data-i]{position:relative;left:auto;top:auto;width:auto;transform:scale(.6)}
  .im-card.on{transform:none}
  .im-hint{bottom:12px}
}
@media (max-width:900px) and (max-height:720px){
  .im-pin{gap:12px}
  .im-title{font-size:clamp(1.8rem,8vw,2.4rem)}
  .im-lede{font-size:.84rem;line-height:1.45}
  .im-card,.im-card[data-i]{padding:9px 11px}
  .im-v{font-size:1rem}.im-d{font-size:.7rem}
}
/* landscape phones: one row of four cards */
@media (max-width:900px) and (max-height:500px) and (orientation:landscape){
  .im-pin{padding-top:calc(var(--nav-h) + 4px);padding-bottom:24px;gap:10px}
  .im-title{font-size:1.9rem}
  .im-lede{max-width:80ch;font-size:.8rem;margin-top:8px}
  .im-cards{grid-template-columns:repeat(4,minmax(0,1fr));max-width:none}
  .im-hint{display:none}
}

/* Stack: index and group label collided on narrow panels */
.op-top{gap:6px 10px;flex-wrap:wrap}
.op-idx{white-space:nowrap}
@media (max-width:420px){ .orb-panel .op-group{font-size:.62rem;letter-spacing:.04em} }

/* Tap targets: give the slider dots and footer links a ~30px+ hit area without changing the look */
.dots{gap:10px}
.dots button{position:relative}
.dots button::after{content:"";position:absolute;inset:-14px -5px}
.foot-inner a{display:inline-block;padding:10px 0}