/* ===== MAD LAB — shared styles (no external fonts/scripts) ===== */
:root{
  --bg:#070b14; --panel:#0d1526; --panel2:#111c33; --line:#1e3a5f;
  --cyan:#00e5ff; --lime:#7dff3a; --amber:#ffc400; --pink:#ff3df2; --red:#ff4d4d;
  --text:#dbe7ff; --muted:#8aa0c8;
  --mono:ui-monospace,"Cascadia Mono","Consolas","DejaVu Sans Mono","Menlo",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--text); font-family:var(--sans); line-height:1.6;
  background-color:var(--bg);
  background-image:
    radial-gradient(ellipse at 20% -10%, rgba(0,229,255,.18), transparent 55%),
    radial-gradient(ellipse at 100% 30%, rgba(255,61,242,.10), transparent 50%),
    linear-gradient(rgba(0,229,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.07) 1px, transparent 1px),
    linear-gradient(rgba(0,229,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.03) 1px, transparent 1px);
  background-size:auto,auto,80px 80px,80px 80px,16px 16px,16px 16px;
  background-attachment:fixed;
  min-height:100vh;
}
img,svg{max-width:100%;display:block}
a{color:var(--cyan)}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
h1,h2,h3{font-family:var(--mono);letter-spacing:.02em;line-height:1.2}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* hazard stripe */
.hazard{height:10px;background:repeating-linear-gradient(-45deg,var(--amber) 0 14px,#111 14px 28px)}

/* ===== NAV ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,20,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-family:var(--mono);font-weight:800;font-size:1.15rem;letter-spacing:.08em}
.brand svg{width:34px;height:34px;flex:none}
.brand .spin{transform-box:fill-box;transform-origin:center;animation:spin 8s linear infinite}
.brand b{color:var(--cyan);text-shadow:0 0 10px rgba(0,229,255,.7)}
.nav-links{display:flex;gap:6px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav-links a{display:block;padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-family:var(--mono);font-size:.92rem;border:1px solid transparent}
.nav-links a:hover{color:var(--text);border-color:var(--line)}
.nav-links a[aria-current="page"]{color:#001318;background:var(--cyan);box-shadow:0 0 14px rgba(0,229,255,.55)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--cyan);font:700 .9rem var(--mono);padding:8px 12px;border-radius:10px;cursor:pointer}

@media (max-width:720px){
  .menu-btn{display:block}
  .nav{flex-wrap:wrap}
  .nav-links{display:none;width:100%;flex-direction:column}
  .nav-links.open{display:flex}
  .nav-links a{border-color:var(--line);text-align:center}
}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font:700 1rem var(--mono);text-decoration:none;letter-spacing:.04em;border:2px solid var(--cyan);color:var(--cyan);background:rgba(0,229,255,.06);transition:transform .15s, box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 0 18px rgba(0,229,255,.5)}
.btn.primary{background:var(--cyan);color:#001318}
.btn.lime{border-color:var(--lime);color:var(--lime);background:rgba(125,255,58,.06)}
.btn.lime:hover{box-shadow:0 0 18px rgba(125,255,58,.5)}

/* ===== HERO ===== */
.hero{padding:64px 0 40px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.kicker{font-family:var(--mono);color:var(--lime);font-size:.85rem;letter-spacing:.2em;text-transform:uppercase}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);margin:.2em 0}
.hero h1 .glow{color:var(--cyan);text-shadow:0 0 18px rgba(0,229,255,.8),0 0 40px rgba(0,229,255,.35)}
.hero h1 .glow2{color:var(--pink);text-shadow:0 0 18px rgba(255,61,242,.7)}
.tagline{font-size:1.2rem;color:var(--muted);max-width:34em}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.hero-art{position:relative;aspect-ratio:1;max-width:360px;justify-self:center;width:100%}
.hero-art svg{width:100%;height:100%}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding-top:36px}.hero-art{max-width:240px}}

/* ===== PANELS / CARDS ===== */
.panel{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden}
.panel::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--pink),var(--lime))}
.section{padding:30px 0}
.section h2{font-size:1.6rem;margin:0 0 14px}
.section h2 .tag{color:var(--amber)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.stat{font-family:var(--mono)}
.stat .num{font-size:2rem;color:var(--lime);text-shadow:0 0 12px rgba(125,255,58,.5);display:block}
.stat .lbl{color:var(--muted);font-size:.9rem}

.teaser{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center}
.teaser .diagram{background:#06101f;border:1px dashed var(--line);border-radius:12px;padding:10px}
@media (max-width:620px){.teaser{grid-template-columns:1fr}.teaser .diagram{max-width:220px}}

.meter{height:14px;background:#06101f;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:10px 0 4px}
.meter span{display:block;height:100%;background:repeating-linear-gradient(-45deg,var(--lime) 0 10px,#5bd42a 10px 20px);box-shadow:0 0 12px rgba(125,255,58,.6)}

/* page header */
.page-head{padding:44px 0 10px}
.page-head h1{font-size:clamp(2rem,5vw,3rem);margin:.1em 0;color:var(--cyan);text-shadow:0 0 16px rgba(0,229,255,.6)}
.page-head p{color:var(--muted);max-width:40em;margin:0}

/* ===== INVENTION CARDS ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:22px;padding:20px 0 40px}
.card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card .diagram{background:#06101f;border-bottom:1px solid var(--line);padding:14px;position:relative;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.card .diagram svg{max-height:100%;width:auto;height:100%}
.slot-label{position:absolute;bottom:8px;right:10px;font:600 .7rem var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.card-body{padding:18px 20px 22px}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card h3{margin:0;font-size:1.25rem}
.badge{flex:none;font:800 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid}
.badge.idea{color:var(--pink);border-color:var(--pink);background:rgba(255,61,242,.1)}
.badge.building{color:var(--amber);border-color:var(--amber);background:rgba(255,196,0,.1)}
.badge.done{color:var(--lime);border-color:var(--lime);background:rgba(125,255,58,.1)}
.placeholder-note{display:inline-block;margin:10px 0 4px;font:700 .72rem var(--mono);letter-spacing:.08em;color:#111;background:repeating-linear-gradient(-45deg,var(--amber) 0 8px,#e0ac00 8px 16px);padding:3px 8px;border-radius:4px}
.card dl{margin:10px 0 0}
.card dt{font:700 .78rem var(--mono);color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;margin-top:12px}
.card dd{margin:2px 0 0;color:var(--text)}
.card dd.fix{border-left:3px solid var(--red);padding-left:10px}
.card dd.fix strong{color:var(--lime)}

.legend{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-family:var(--mono);color:var(--muted);font-size:.9rem;margin-top:16px}

/* ===== LAB LOG ===== */
.log{list-style:none;margin:20px 0 40px;padding:0 0 0 26px;border-left:2px dashed var(--line)}
.log li{position:relative;margin-bottom:22px}
.log li::before{content:"";position:absolute;left:-35px;top:22px;width:16px;height:16px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.log time{font:700 .85rem var(--mono);color:var(--amber);letter-spacing:.1em}
.log h3{margin:.2em 0 .3em;font-size:1.2rem}
.log p{margin:.4em 0}
.log .future::before{background:var(--line);box-shadow:none}
.log .future{opacity:.7}

/* ===== ABOUT ===== */
.rules{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.rules li{display:flex;gap:12px;align-items:flex-start;background:#06101f;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.rules .ico{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font:800 .9rem var(--mono);color:#111;background:var(--amber)}
.goals li{margin:.3em 0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:760px){.two-col{grid-template-columns:1fr}}

/* ===== FOOTER ===== */
.site-footer{margin-top:30px;border-top:1px solid var(--line);background:rgba(7,11,20,.9)}
.site-footer .wrap{padding:20px;font-family:var(--mono);font-size:.85rem;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ===== SPLASH ===== */
.splash{position:fixed;inset:0;z-index:999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;background:var(--bg);
  background-image:linear-gradient(rgba(0,229,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.09) 1px,transparent 1px);background-size:40px 40px;
  font-family:var(--mono);text-align:center;padding:20px;transition:opacity .45s ease}
.splash.hide{opacity:0;pointer-events:none}
.splash .gears{width:140px;height:100px;position:relative}
.splash .g1{position:absolute;left:0;top:0;width:90px;animation:spin 2.2s linear infinite}
.splash .g2{position:absolute;right:0;bottom:0;width:62px;animation:spin 1.5s linear infinite reverse}
.splash h1{margin:0;font-size:clamp(1.4rem,5vw,2.4rem);color:var(--cyan);letter-spacing:.14em;text-shadow:0 0 18px rgba(0,229,255,.8)}
.splash .status{color:var(--lime);font-size:.95rem;min-height:1.5em;letter-spacing:.08em}
.splash .bar{width:min(420px,80vw);height:18px;border:2px solid var(--cyan);border-radius:999px;overflow:hidden;box-shadow:0 0 14px rgba(0,229,255,.4)}
.splash .bar span{display:block;height:100%;width:0;background:repeating-linear-gradient(-45deg,var(--cyan) 0 12px,#00b8cc 12px 24px);animation:fill 2.3s cubic-bezier(.5,.1,.3,1) forwards}
.splash .skip{position:absolute;top:18px;right:18px;background:transparent;color:var(--muted);border:1px solid var(--line);font:700 .9rem var(--mono);padding:8px 16px;border-radius:999px;cursor:pointer}
.splash .skip:hover{color:var(--text);border-color:var(--cyan)}
.splash .flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.splash.powerup .flash{animation:flash .5s ease-out}
.splash .stripe{position:absolute;left:0;right:0;height:12px;background:repeating-linear-gradient(-45deg,var(--amber) 0 14px,#111 14px 28px)}
.splash .stripe.top{top:0}.splash .stripe.bot{bottom:0}
.no-splash .splash{display:none}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fill{to{width:100%}}
@keyframes flash{0%{opacity:.85}100%{opacity:0}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.blink{animation:pulse 1.4s ease-in-out infinite}

/* svg diagram helpers */
.spin-slow{transform-box:fill-box;transform-origin:center;animation:spin 10s linear infinite}
.spin-rev{transform-box:fill-box;transform-origin:center;animation:spin 6s linear infinite reverse}
@keyframes piston{0%,100%{transform:translateY(0)}50%{transform:translateY(18px)}}
.piston{animation:piston 1.6s ease-in-out infinite}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
main:focus{outline:none}
body{display:flex;flex-direction:column}
main{flex:1 0 auto}

/* =====================================================================
   MAD LAB v2 — "Colton's workshop" layer
   Technic beams · 3D-print layer lines · Scratch-style chips · chainring
   ===================================================================== */
:root{
  --orange:#ff8a1f; --beam-red:#e8463a; --blue:#4c97ff; --purple:#9966ff;
  --scr-orange:#ffab19; --scr-green:#59c059; --scr-pink:#ff6680; --scr-cyan:#5cb1d6;
  --layers:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 4px);
}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sr-skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--amber);color:#111;padding:8px 14px;border-radius:8px;font:700 .9rem var(--mono)}
.sr-skip:focus{left:12px}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}

/* ---- nav tweaks ---- */
.nav{max-width:1180px}
.nav-links a{padding:8px 12px}
@media (max-width:900px) and (min-width:721px){.nav-links a{padding:7px 9px;font-size:.85rem}}
.wrap{max-width:1180px}

/* ---- Technic beam strips (studs on top, holes through) ---- */
.beam{--b:var(--beam-red);position:relative;height:22px;border-radius:11px;margin-top:8px;
  background:
    radial-gradient(circle at 11px 11px,#070b14 0 4.5px,rgba(0,0,0,.45) 4.5px 6.5px,transparent 7px) 0 0/22px 22px repeat-x,
    linear-gradient(180deg,rgba(255,255,255,.28),rgba(255,255,255,0) 45%,rgba(0,0,0,.25)),var(--b);
  box-shadow:0 2px 0 rgba(0,0,0,.4)}
.beam.studs::before{content:"";position:absolute;left:4px;right:4px;top:-6px;height:7px;border-radius:3px 3px 0 0;
  background:repeating-linear-gradient(90deg,transparent 0 3px,var(--b) 3px 15px,transparent 15px 22px);
  filter:brightness(1.15)}
.beam.lime{--b:#62c92a}.beam.cyan{--b:#00b8d4}.beam.amber{--b:#f0b400}.beam.pink{--b:#d42fc8}.beam.blue{--b:#3a7be0}
.beam.short{width:min(264px,70%)}
.beam-row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;margin:6px 0 0}
.beam-row .beam{flex:1 1 120px}

/* ---- 3D printer layer-line texture ---- */
.layers{background-image:var(--layers),linear-gradient(180deg,var(--panel2),var(--panel))}

/* ---- Scratch-style code-block chips ---- */
.chips{display:flex;flex-wrap:wrap;gap:8px 6px;list-style:none;padding:0;margin:10px 0 0}
.chip{--c:var(--scr-orange);position:relative;display:inline-flex;align-items:center;gap:5px;
  font:800 .74rem/1 var(--mono);letter-spacing:.03em;color:#10131c;background:var(--c);
  padding:6px 10px 7px;border-radius:5px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18)}
.chip::after{content:"";position:absolute;left:9px;bottom:-4px;width:13px;height:5px;background:var(--c);border-radius:0 0 4px 4px;box-shadow:inset 0 -2px 0 rgba(0,0,0,.18)}
.chip.lego{--c:var(--scr-orange)}.chip.code{--c:#a77dff}.chip.elec{--c:var(--scr-green)}
.chip.print{--c:var(--scr-pink)}.chip.motor{--c:#6aa8ff}.chip.bike{--c:var(--scr-cyan)}.chip.event{--c:#ffd23f}
.chip.hat{border-radius:16px 16px 5px 5px;padding-top:9px}

/* Scratch block stack (illustration of code) */
.blocks{font:700 .85rem/1.2 var(--mono);display:flex;flex-direction:column;gap:3px;margin:12px 0}
.blk{--c:var(--scr-orange);align-self:flex-start;position:relative;background:var(--c);color:#10131c;padding:9px 14px;border-radius:6px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.2)}
.blk.in{margin-left:22px}
.blk.hat{border-radius:22px 22px 6px 6px;padding-top:13px}
.blk .slot{display:inline-block;background:rgba(255,255,255,.85);color:#10131c;border-radius:999px;padding:1px 9px;margin:0 3px}
.blk .slot.blue{background:#cfe0ff}
.blk.motion{--c:#6aa8ff}.blk.ctrl{--c:var(--scr-orange)}.blk.ev{--c:#ffd23f}.blk.op{--c:var(--scr-green)}

/* ---- status badges ---- */
.badge.scrapped{color:#ff9a9a;border-color:#ff9a9a;background:rgba(255,77,77,.12)}
.badge::before{content:"● "}
.badge.done::before{content:"✔ "}
.badge.scrapped::before{content:"✖ "}
.badge.idea::before{content:"✦ "}

/* ---- hero v2 ---- */
.hero2{padding:54px 0 26px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero2 .kicker{color:var(--lime)}
.hero2 h1{font-size:clamp(2.3rem,6.2vw,4.4rem);margin:.15em 0 .1em;line-height:1.05}
.hero2 h1 .who{display:block;font-size:.46em;color:var(--amber);letter-spacing:.12em;text-shadow:0 0 14px rgba(255,196,0,.45)}
.hero2 h1 .glow{color:var(--cyan);text-shadow:0 0 18px rgba(0,229,255,.8),0 0 40px rgba(0,229,255,.35)}
.hero2 h1 .glow2{color:var(--pink);text-shadow:0 0 18px rgba(255,61,242,.7)}
.motto{font:800 clamp(1.05rem,2.4vw,1.4rem)/1.4 var(--mono);margin:.4em 0 .2em;display:flex;flex-wrap:wrap;gap:.25em .6em}
.motto span:nth-child(1){color:var(--cyan)}.motto span:nth-child(2){color:var(--pink)}.motto span:nth-child(3){color:var(--lime)}.motto span:nth-child(4){color:var(--amber)}
.hero2 .tagline{font-size:1.08rem;color:var(--muted);max-width:32em}
.hero-art2{position:relative;width:100%;max-width:440px;justify-self:center}
.hero-art2 svg{width:100%;height:auto}
.hero-art2 .boost{cursor:pointer}
.hero-art2.fast .spin-slow{animation-duration:1.4s}.hero-art2.fast .spin-rev{animation-duration:1s}
.hero-art2 .hint{position:absolute;left:0;bottom:-2px;font:600 .72rem var(--mono);color:var(--muted);letter-spacing:.08em}
@media (max-width:860px){.hero2{grid-template-columns:1fr;padding-top:30px}.hero-art2{max-width:320px}}

/* Sparky — small lab assistant */
.sparky{display:flex;align-items:center;gap:10px;margin-top:22px;max-width:30em}
.sparky img{width:54px;height:54px;flex:none;border-radius:50%;background:#0d1a30;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(0,229,255,.35);object-fit:cover;object-position:50% 20%}
.sparky .bubble{position:relative;background:#0b1730;border:1px solid var(--line);border-radius:12px;padding:8px 12px;font:600 .84rem/1.4 var(--mono);color:var(--text)}
.sparky .bubble b{color:var(--cyan)}
.sparky .bubble::before{content:"";position:absolute;left:-7px;top:50%;width:12px;height:12px;background:#0b1730;border-left:1px solid var(--line);border-bottom:1px solid var(--line);transform:translateY(-50%) rotate(45deg)}

/* section titles */
.sec-title{display:flex;align-items:center;gap:10px;font-size:clamp(1.3rem,3vw,1.7rem);margin:0 0 16px}
.sec-title .tag{color:var(--amber)}
.sec-title .ico{width:28px;height:28px;flex:none}
.sec-sub{color:var(--muted);margin:-8px 0 18px;max-width:44em}

/* ---- NOW BUILDING ---- */
.now{position:relative;border:2px solid var(--amber);border-radius:18px;overflow:hidden;
  background:var(--layers),radial-gradient(ellipse at 90% 0%,rgba(255,196,0,.12),transparent 60%),linear-gradient(180deg,#121d36,#0b1324);
  box-shadow:0 0 0 1px rgba(255,196,0,.25),0 0 40px rgba(255,196,0,.12)}
.now > .hazard{height:14px}
.now-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;padding:26px 28px 28px;align-items:center}
.now-label{display:inline-flex;align-items:center;gap:8px;font:900 .9rem var(--mono);letter-spacing:.22em;color:#111;background:var(--amber);padding:6px 12px;border-radius:6px}
.now-label .dot{width:10px;height:10px;border-radius:50%;background:#d11;box-shadow:0 0 0 2px rgba(0,0,0,.3)}
.now h2{font-size:clamp(1.6rem,4vw,2.4rem);margin:.35em 0 .1em;color:#fff}
.now .lead{color:var(--text);margin:.3em 0 .8em}
.checklist{list-style:none;padding:0;margin:10px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font:600 .9rem var(--mono)}
.checklist li{display:flex;gap:8px;align-items:flex-start}
.checklist .ok{color:var(--lime)}.checklist .todo{color:var(--amber)}
.next-step{margin-top:16px;border:1px dashed var(--amber);border-radius:12px;padding:12px 14px;background:rgba(255,196,0,.06)}
.next-step b{font:900 .78rem var(--mono);letter-spacing:.18em;color:var(--amber);display:block;margin-bottom:2px}
.now-art{background:#06101f;border:1px solid var(--line);border-radius:14px;padding:10px;position:relative;
  background-image:linear-gradient(rgba(0,229,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.08) 1px,transparent 1px);background-size:20px 20px}
.now-art svg{width:100%;height:auto}
.btn.amber{border-color:var(--amber);color:#111;background:var(--amber)}
.btn.amber:hover{box-shadow:0 0 18px rgba(255,196,0,.55)}
@media (max-width:820px){.now-inner{grid-template-columns:1fr;padding:20px}.now-art{order:-1}}
@media (max-width:420px){.checklist{grid-template-columns:1fr}}

/* ---- build cards ---- */
.build-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:20px}
.bcard{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:var(--layers),linear-gradient(180deg,var(--panel2),var(--panel));transition:transform .15s,box-shadow .15s,border-color .15s}
.bcard:hover,.bcard:focus-within{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 8px 26px rgba(0,229,255,.18)}
.bcard:focus-within{outline:3px solid var(--amber);outline-offset:3px}
.bcard .art{position:relative;aspect-ratio:16/8;background:#06101f;border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(0,229,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.08) 1px,transparent 1px);background-size:16px 16px;display:flex;align-items:center;justify-content:center;padding:10px}
.bcard .art svg{height:100%;width:auto;max-width:100%}
.bcard .art .num{position:absolute;top:8px;left:10px;font:700 .68rem var(--mono);color:var(--muted);letter-spacing:.12em}
.bcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.bcard .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.bcard h3{margin:0;font-size:1.12rem}
.bcard h3 a{color:var(--text);text-decoration:none}
.bcard h3 a::after{content:"";position:absolute;inset:0;z-index:1}
.bcard h3 a:focus-visible{outline:none}
.bcard p{margin:0;color:var(--muted);font-size:.95rem}
.bcard .go{margin-top:auto;padding-top:10px;font:700 .82rem var(--mono);color:var(--cyan)}
.bcard .warn{display:inline-block;align-self:flex-start;font:800 .7rem var(--mono);letter-spacing:.08em;color:#111;background:repeating-linear-gradient(-45deg,var(--amber) 0 8px,#e0ac00 8px 16px);padding:3px 8px;border-radius:4px}
.bcard.is-scrapped .art::after{content:"SCRAPPED";position:absolute;right:12px;bottom:10px;transform:rotate(-8deg);font:900 .9rem var(--mono);letter-spacing:.2em;color:#ff9a9a;border:2px solid #ff9a9a;padding:2px 8px;border-radius:4px;background:rgba(7,11,20,.7)}
.bcard.is-idea .art::after{content:"IDEA";position:absolute;right:12px;bottom:10px;transform:rotate(-6deg);font:900 .9rem var(--mono);letter-spacing:.2em;color:var(--pink);border:2px dashed var(--pink);padding:2px 8px;border-radius:4px;background:rgba(7,11,20,.7)}

/* filters (builds hub) */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.filters button{font:700 .85rem var(--mono);color:var(--muted);background:#0b1426;border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer}
.filters button[aria-pressed="true"]{color:#001318;background:var(--cyan);border-color:var(--cyan)}
.bcard[hidden]{display:none}

/* "Project coming soon" placeholder cards: dimmed + locked, never clickable */
.bcard.is-soon{border:2px dashed var(--line);background:repeating-linear-gradient(-45deg,rgba(138,160,200,.04) 0 10px,transparent 10px 20px),#0a1120;opacity:.62;cursor:default}
.bcard.is-soon:hover,.bcard.is-soon:focus-within{transform:none;box-shadow:none;border-color:var(--line);outline:none}
.bcard.is-soon .art{background-image:none;background:#060c18;border-bottom:2px dashed var(--line)}
.bcard.is-soon .art svg{opacity:.75}
.bcard.is-soon h3{color:var(--muted)}
.badge.soon{color:var(--muted);border:1px dashed var(--muted);background:transparent}
.badge.soon::before{content:""}

/* ---- skills ---- */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:18px}
.skill{padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--layers),#0b1426}
.skill .s-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.skill .s-name{font:800 1rem var(--mono);color:#fff}
.skill .lvl{font:800 .78rem var(--mono);color:var(--c,var(--cyan));letter-spacing:.06em}
.skill .s-note{display:block;color:var(--muted);font-size:.86rem;margin-top:8px}
.bricks{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin-top:14px}
.bricks i{position:relative;height:16px;border-radius:3px;background:#17243f}
.bricks i::before{content:"";position:absolute;top:-4px;left:28%;right:28%;height:4px;border-radius:2px 2px 0 0;background:inherit}
.bricks i.on{background:var(--c,var(--cyan));box-shadow:inset 0 -3px 0 rgba(0,0,0,.22)}
.skill.lego{--c:var(--scr-orange)}.skill.code{--c:#a77dff}.skill.elec{--c:var(--scr-green)}.skill.print{--c:var(--scr-pink)}
.fun-note{font:600 .78rem var(--mono);color:var(--muted);margin-top:12px}

/* ---- badges ---- */
.badges{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;list-style:none;padding:0;margin:0}
.badges li{text-align:center;padding:14px 10px;border:1px solid var(--line);border-radius:14px;background:#0b1426}
.badges svg{width:84px;height:84px;margin:0 auto 6px}
.badges b{display:block;font:800 .95rem var(--mono);color:#fff}
.badges small{color:var(--muted);font-size:.8rem;line-height:1.35;display:block;margin-top:2px}

/* ---- small link tiles ---- */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tile{display:flex;gap:16px;align-items:center;padding:18px;border-radius:14px;border:1px solid var(--line);text-decoration:none;color:var(--text);background:var(--layers),#0b1426;transition:border-color .15s,transform .15s}
.tile:hover{border-color:var(--cyan);transform:translateY(-2px)}
.tile svg{width:64px;height:64px;flex:none}
.tile b{font:800 1.08rem var(--mono);display:block;color:#fff}
.tile span{color:var(--muted);font-size:.92rem}
.tile .arrow{margin-left:auto;font:800 1.2rem var(--mono);color:var(--cyan)}
@media (max-width:640px){.tiles{grid-template-columns:1fr}}

/* ---- build log pages ---- */
.crumbs{font:600 .85rem var(--mono);color:var(--muted);padding-top:26px}
.crumbs a{color:var(--cyan)}
.bhead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:end;padding:12px 0 6px}
.bhead h1{font-size:clamp(1.8rem,5vw,3rem);margin:.1em 0;color:#fff;text-shadow:0 0 18px rgba(0,229,255,.35)}
.bhead .one{color:var(--muted);margin:0;font-size:1.05rem;max-width:40em}
.bhead .meta{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.bhead .badge{font-size:.85rem;padding:6px 14px}
@media (max-width:640px){.bhead{grid-template-columns:1fr}.bhead .meta{align-items:flex-start}}
.b-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:22px;align-items:start}
@media (max-width:820px){.b-grid{grid-template-columns:1fr}}
.panel h2{font-size:1.3rem;margin:0 0 10px}
.panel h2 .tag{color:var(--amber)}
.feat{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.feat li{display:flex;gap:10px;align-items:flex-start;background:#06101f;border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.feat li::before{content:"⚙";color:var(--cyan);font-weight:900}
.photo-slot{margin:0;aspect-ratio:4/3;border:2px dashed var(--cyan);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:16px;
  background-color:#061226;background-image:linear-gradient(rgba(0,229,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.12) 1px,transparent 1px),linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.05) 1px,transparent 1px);background-size:40px 40px,40px 40px,8px 8px,8px 8px}
.photo-slot svg{width:min(70%,240px);height:auto}
.photo-slot figcaption{font:900 1rem var(--mono);letter-spacing:.2em;color:var(--cyan)}
.photo-slot small{font:600 .75rem var(--mono);color:var(--muted)}
.tries{list-style:none;margin:0;padding:0 0 0 26px;border-left:3px dashed var(--line);display:grid;gap:18px}
.tries > li{position:relative}
.tries > li::before{content:"";position:absolute;left:-37px;top:20px;width:20px;height:20px;border-radius:50%;background:#070b14;border:4px solid var(--lime);box-shadow:0 0 10px rgba(125,255,58,.6)}
.tries > li.plan::before{border-color:var(--amber);box-shadow:0 0 10px rgba(255,196,0,.5)}
.try-head{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:baseline}
.try-head h3{margin:0;font-size:1.15rem}
.try-head time{font:700 .8rem var(--mono);color:var(--amber);letter-spacing:.1em}
.tbf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
.tbf div{border-radius:10px;padding:10px 12px;background:#06101f;border:1px solid var(--line);border-top:4px solid var(--c)}
.tbf dt{font:900 .72rem var(--mono);letter-spacing:.16em;color:var(--c);margin-bottom:4px}
.tbf dd{margin:0;font-size:.95rem}
.tbf .t{--c:var(--cyan)}.tbf .b{--c:#ff8a8a}.tbf .f{--c:var(--lime)}
@media (max-width:700px){.tbf{grid-template-columns:1fr}}
.next-big{display:flex;gap:16px;align-items:center;border:2px solid var(--lime);border-radius:16px;padding:18px 20px;background:rgba(125,255,58,.06)}
.next-big svg{width:56px;height:56px;flex:none}
.next-big b{font:900 .8rem var(--mono);letter-spacing:.2em;color:var(--lime);display:block}
.next-big p{margin:.2em 0 0;font-size:1.05rem}
.grownup{display:flex;gap:12px;align-items:center;border-radius:12px;padding:12px 16px;color:#111;font-weight:700;
  background:repeating-linear-gradient(-45deg,var(--amber) 0 16px,#e8b000 16px 32px)}
.grownup span{background:#111;color:var(--amber);font:900 .78rem var(--mono);letter-spacing:.14em;padding:4px 8px;border-radius:4px;flex:none}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 0 20px}
.tip{font:600 .9rem/1.5 var(--mono)}
.callout{border-left:4px solid var(--c,var(--cyan));padding:10px 14px;background:#06101f;border-radius:0 10px 10px 0;margin:12px 0}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.vs div{background:#06101f;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.vs b{font:800 .9rem var(--mono);color:var(--cyan)}
@media (max-width:520px){.vs{grid-template-columns:1fr}}

/* scrap heap / idea vault */
.lesson{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:rgba(125,255,58,.05);border-left:4px solid var(--lime)}
.lesson b{font:900 .75rem var(--mono);letter-spacing:.16em;color:var(--lime);display:block}
.vault-note{font:600 .85rem var(--mono);color:var(--muted)}

/* footer v2 */
.site-footer .beam{margin:0;border-radius:0;height:16px;background-size:16px 16px,auto,auto;
  background-image:radial-gradient(circle at 8px 8px,#070b14 0 3.5px,rgba(0,0,0,.45) 3.5px 5px,transparent 5.5px),linear-gradient(180deg,rgba(255,255,255,.28),rgba(255,255,255,0) 45%,rgba(0,0,0,.25))}
.site-footer .beam::before{display:none}

@media (max-width:480px){
  .wrap{padding:0 16px}
  .panel{padding:18px}
  .tries{padding-left:20px}
  .tries > li::before{left:-31px}
}

/* ---- v2 fixes after preview review ---- */
.bcard .art{aspect-ratio:auto;height:180px;padding:26px 12px 10px}
.bcard .art svg{height:100%;width:auto;max-width:100%}
.bcard.is-scrapped .art::after,.bcard.is-idea .art::after{bottom:auto;top:8px;right:10px;font-size:.78rem}
@media (max-width:600px){
  .beam-row{flex-wrap:nowrap;gap:8px}
  .beam-row .beam{flex:1 1 0;min-width:0}
  .badges{grid-template-columns:1fr 1fr}
  .badges li:last-child:nth-child(odd){grid-column:1 / -1}
  .hero-art2{max-width:300px}
  .bcard .art{height:160px}
}
.grownup{flex-wrap:wrap}
.page-head h1 svg{display:inline-block}
.hero-art2 .turbo{display:flex;margin:10px auto 0;padding:6px 14px;font-size:.78rem}