/* nicholas-tech.com shared styles (new pages). Built by scripts/build_site_tech_pages.py */
:root{--bg:#070B10;--panel:#0C131A;--line:#1B2A37;--text:#E8EEF3;--muted:#A9B8C4;--dim:#7F93A3;--acc:#4FD8FF;--green:#4BE39A;--amber:#FFC14D;--pink:#FF8FA3;--violet:#B48CFF}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 'IBM Plex Sans',system-ui,sans-serif}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;margin:0;line-height:1.1}
h1{font-size:clamp(36px,5vw,60px);letter-spacing:-.02em}
h2{font-size:clamp(28px,3.4vw,42px)}
h3{font-size:22px}
p{margin:0}
a{color:var(--acc)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}.dim{color:var(--dim)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);border:1px solid #1F4A36;border-radius:999px;padding:6px 14px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--acc);color:#04121A;padding:8px 12px;border-radius:8px;z-index:9}
/* header / footer */
.nav{border-bottom:1px solid #16212C;position:sticky;top:0;background:rgba(7,11,16,.92);backdrop-filter:blur(8px);z-index:5}
.nav .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font:700 20px 'Space Grotesk',sans-serif}
.nav .sp{flex:1 1 auto}
.nav a.l{color:var(--muted);text-decoration:none;font-size:15px;padding:6px 2px;border-bottom:2px solid transparent}
.nav a.l:hover,.nav a.l.on{color:var(--text);border-color:var(--acc)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:12px;border:1px solid #2A3A48;color:var(--text);text-decoration:none;font:600 15px 'IBM Plex Sans',sans-serif;background:transparent;cursor:pointer}
.btn.pri{background:var(--acc);color:#04121A;border-color:var(--acc)}
.btn:hover{filter:brightness(1.12)}
footer.ft{border-top:1px solid #16212C;margin-top:40px}
.ft .wrap{padding-top:34px;padding-bottom:34px;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:26px;font-size:14px;color:var(--dim)}
.ft h4{margin:0 0 8px;color:var(--text);font:600 14px 'Space Grotesk',sans-serif;letter-spacing:.08em;text-transform:uppercase}
.ft a{display:block;color:var(--muted);text-decoration:none;padding:3px 0}.ft a:hover{color:var(--acc)}
.ft .fine{grid-column:1/-1;border-top:1px solid #16212C;padding-top:16px}
/* sections */
.sec{padding:72px 0}
.sec.alt{background:#09111A;border-block:1px solid #16212C}
.hero{padding:84px 0 56px}
.hero .wrap{display:flex;flex-direction:column;gap:20px;max-width:900px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.card{border:1px solid var(--line);border-radius:20px;background:var(--panel);padding:24px;display:flex;flex-direction:column;gap:10px}
.card .ic{width:44px;height:44px;border-radius:12px;border:1px solid var(--acc);display:grid;place-items:center}
.pill{display:inline-block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;border-radius:999px;padding:3px 10px;border:1px solid}
.pill.live{color:var(--green);border-color:#1F4A36}.pill.build{color:var(--amber);border-color:#5A4318}.pill.next{color:var(--acc);border-color:#1D4A63}.pill.idea{color:var(--violet);border-color:#43306A}
.note{font-size:14px;color:var(--dim);border-left:3px solid var(--amber);padding:6px 0 6px 14px}
/* reveal-on-scroll */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}*{animation-duration:.01ms!important;animation-iteration-count:1!important}}
/* app phones (Ideas Lab) */
.lab{display:flex;flex-direction:column;gap:64px}
.lab-row{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:center}
.lab-row:nth-child(even){grid-template-columns:1fr auto}.lab-row:nth-child(even) .phone{order:2}
.phone{--s:.7;width:calc(390px*var(--s) + 20px);height:calc(844px*var(--s) + 20px);padding:10px;border-radius:44px;background:#0d151d;border:2px solid #25384a;box-shadow:0 30px 60px rgba(0,0,0,.5),0 0 40px var(--c,#4FD8FF)33;cursor:pointer;position:relative}
.phone-in{width:390px;height:844px;transform:scale(var(--s));transform-origin:0 0;border-radius:34px;overflow:hidden}
.phone .hint{position:absolute;left:0;right:0;bottom:-30px;text-align:center;font-size:12px;color:var(--dim)}
.lab-txt{display:flex;flex-direction:column;gap:14px}
.lab-txt .kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:15px}
.lab-txt .kv b{color:var(--dim);font-weight:500}
@media (max-width:900px){.lab-row,.lab-row:nth-child(even){grid-template-columns:1fr;justify-items:center;text-align:left}.lab-row:nth-child(even) .phone{order:0}.phone{--s:.78}.lab-txt{width:100%}}
@media (max-width:420px){.phone{--s:.72}}
/* games */
.game{display:grid;gap:18px}
.stage{position:relative;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#05070D;box-shadow:0 0 50px var(--c,#4FD8FF)22}
.stage canvas{display:block;width:100%;height:auto;touch-action:manipulation}
.hud{position:absolute;left:0;right:0;top:0;display:flex;gap:10px;padding:12px 14px;pointer-events:none;font:900 15px Orbitron,'Space Grotesk',sans-serif}
.hud span{background:rgba(5,7,13,.72);border:1px solid #1D4A63;border-radius:10px;padding:5px 11px}
.ovl{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(5,7,13,.72);text-align:center;padding:20px}
.ovl h3{font-family:Orbitron,'Space Grotesk',sans-serif;font-size:clamp(22px,3.4vw,34px)}
.ovl[hidden]{display:none}
.pad{display:flex;gap:10px}.pad .btn{flex:1;min-height:56px;font-size:17px;user-select:none}
.how{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;font-size:15px}
.how div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
kbd{background:#16212C;border:1px solid #2A3A48;border-radius:6px;padding:1px 7px;font-size:13px}
/* tycoon */
.tyc{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}
@media (max-width:860px){.tyc{grid-template-columns:1fr}}
.skyline{min-height:340px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(#0a1420,#05070D 70%);display:flex;flex-direction:column-reverse;align-items:center;padding:14px;gap:3px;overflow:hidden;position:relative}
.floor{width:100%;max-width:340px;border-radius:6px;padding:4px 10px;font-size:12px;color:#04121A;font-weight:600;animation:pop .4s ease-out}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:none;opacity:1}}
.shop{display:flex;flex-direction:column;gap:10px}
.shop button{display:grid;grid-template-columns:1fr auto;gap:2px 10px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 14px;color:var(--text);font:inherit;cursor:pointer}
.shop button:disabled{opacity:.45;cursor:not-allowed}
.shop button:not(:disabled):hover{border-color:var(--acc)}
.shop small{color:var(--dim);grid-column:1/-1}
.stats{display:flex;flex-wrap:wrap;gap:10px}.stats div{flex:1 1 130px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 14px}
.stats b{display:block;font:700 22px 'Space Grotesk',sans-serif}
.crash{display:none;background:#3a1020;border:1px solid #7a2a44;color:#ffd0da;border-radius:12px;padding:10px 14px;font-size:15px}
.crash.on{display:block;animation:pop .3s}
/* forms / misc */
label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;background:#0a1219;color:var(--text);border:1px solid #2A3A48;border-radius:12px;padding:12px 14px;font:inherit}
textarea{min-height:140px;resize:vertical}
.swatch{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:10px 14px;background:var(--panel);cursor:pointer;text-align:left;color:var(--text);font:inherit}
.swatch i{width:38px;height:38px;border-radius:10px;border:1px solid #ffffff22;flex:none}
.tl{border-left:2px solid var(--line);margin-left:8px;display:flex;flex-direction:column;gap:26px;padding-left:26px}
.tl>div{position:relative}.tl>div:before{content:"";position:absolute;left:-34px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--acc);box-shadow:0 0 12px var(--acc)}
.tl>div.build:before{background:var(--amber);box-shadow:0 0 12px var(--amber)}.tl>div.next:before,.tl>div.later:before{background:#2A3A48;box-shadow:none}
.shot{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:0 0 60px #4FD8FF22;display:block}
.float{animation:flt 6s ease-in-out infinite}@keyframes flt{50%{transform:translateY(-10px)}}
.glowtxt{background:linear-gradient(90deg,var(--acc),var(--green),var(--violet),var(--acc));background-size:200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sh 6s linear infinite}@keyframes sh{to{background-position:200%}}
/* phones: compact, non-sticky nav */
@media (max-width:700px){.nav{position:static}.nav .wrap{gap:2px 16px;padding-top:10px;padding-bottom:8px}.nav .sp{display:none}.nav .btn{min-height:34px;padding:0 14px;font-size:14px}.brand{font-size:18px}.hero{padding:48px 0 32px}.sec{padding:48px 0}.game .pad .btn{min-height:60px}}
@media (max-width:700px){.hud{gap:6px;padding:8px;font-size:10px}.hud span{padding:3px 7px}.ovl{background:rgba(5,7,13,.93);gap:8px;padding:12px}.ovl h3{font-size:20px}.ovl p{font-size:14px;line-height:1.35}.ovl .btn{min-height:40px}}