/* ArberN IT — shared styles. Single deliberate dark look: graphite + warm amber (LED/solder glow), Instrument Serif display, Geist body, Geist Mono for readouts. */
:root{
  --bg:#0c0d0f;
  --bg-2:#131418;
  --panel:#17181c;
  --fg:#ece6dc;
  --muted:#9b958b;
  --line:rgba(236,230,220,.12);
  --amber:#e9a54a;
  --amber-deep:#b9722a;
  --ink-on-amber:#120d07;
  --accent-2:#ff6b4a;
  --f-display:"Instrument Serif", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --f-body:"Geist", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono:"Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --gutter:clamp(16px, 4vw, 56px);
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.02;text-wrap:balance;margin:0}
h1 em,h2 em,h3 em{color:var(--amber)}
p{margin:0}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.eyebrow{color:var(--amber);display:block;margin-bottom:16px}
.wrap{padding-inline:var(--gutter);max-width:1280px;margin-inline:auto}
.muted{color:var(--muted)}


/* ---------- curtain (page transitions) ---------- */
.curtain{position:fixed;inset:0;z-index:200;background:var(--amber);display:grid;place-items:center;pointer-events:none;transform:translateY(-101%);animation:curtainOut .85s .05s cubic-bezier(.7,0,.2,1) both}
.curtain span{font:400 clamp(40px,7vw,88px) var(--f-display);color:var(--ink-on-amber);animation:curtainText .85s cubic-bezier(.7,0,.2,1) both}
.curtain.leave{animation:curtainIn .55s cubic-bezier(.7,0,.2,1) both}
.curtain.leave span{animation:none;opacity:1}
@keyframes curtainOut{from{transform:translateY(0)}to{transform:translateY(-101%)}}
@keyframes curtainIn{from{transform:translateY(101%)}to{transform:translateY(0)}}
@keyframes curtainText{from{opacity:1;transform:none}to{opacity:0;transform:translateY(-30px)}}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;padding-top:env(safe-area-inset-top,0px);transition:background .4s, border-color .4s, transform .5s var(--ease);border-bottom:1px solid transparent}
.nav.solid{background:rgba(12,13,15,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav.hide{transform:translateY(-100%)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;padding-inline:var(--gutter)}
.logo{font-family:var(--f-display);font-size:26px;text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.logo b{font-weight:400;color:var(--amber)}
.links{display:flex;gap:26px;align-items:center}
.links a{text-decoration:none;font-size:14px;color:var(--muted);transition:color .2s;position:relative;padding-block:6px}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--amber);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.links a:hover{color:var(--fg)}
.links a:hover::after,.links a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.links a[aria-current="page"]{color:var(--fg)}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px}
.lang button{background:none;border:0;color:var(--muted);font:500 12px var(--f-mono);letter-spacing:.08em;padding:5px 10px;border-radius:999px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
.menu-btn{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:none;color:var(--fg);cursor:pointer;position:relative}
.menu-btn i{position:absolute;left:12px;right:12px;height:1.5px;background:currentColor;transition:transform .4s var(--ease), top .4s var(--ease)}
.menu-btn i:first-child{top:16px}.menu-btn i:last-child{top:24px}
body.menu-open .menu-btn i:first-child{top:20px;transform:rotate(45deg)}
body.menu-open .menu-btn i:last-child{top:20px;transform:rotate(-45deg)}
@media (max-width:860px){.links{display:none}.menu-btn{display:block}}

.menu{position:fixed;inset:0;z-index:55;background:var(--bg);padding:calc(96px + env(safe-area-inset-top,0px)) var(--gutter) 40px;display:flex;flex-direction:column;justify-content:space-between;clip-path:circle(0% at calc(100% - 40px) 32px);transition:clip-path .7s cubic-bezier(.7,0,.2,1);visibility:hidden}
body.menu-open .menu{clip-path:circle(150% at calc(100% - 40px) 32px);visibility:visible}
.menu nav{display:flex;flex-direction:column;gap:6px}
.menu nav a{font:400 clamp(44px,12vw,72px)/1.1 var(--f-display);text-decoration:none;display:flex;align-items:baseline;gap:14px;opacity:0;transform:translateY(30px);transition:opacity .5s, transform .6s var(--ease), color .2s}
.menu nav a small{font:500 12px var(--f-mono);color:var(--muted);letter-spacing:.1em}
.menu nav a[aria-current="page"]{color:var(--amber)}
body.menu-open .menu nav a{opacity:1;transform:none}
body.menu-open .menu nav a:nth-child(2){transition-delay:.05s}
body.menu-open .menu nav a:nth-child(3){transition-delay:.1s}
body.menu-open .menu nav a:nth-child(4){transition-delay:.15s}
body.menu-open .menu nav a:nth-child(5){transition-delay:.2s}
.menu .menu-foot{color:var(--muted);font-size:14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border-radius:999px;font:500 14px var(--f-body);text-decoration:none;border:1px solid var(--line);color:var(--fg);background:rgba(255,255,255,.03);cursor:pointer;transition:background .2s, border-color .2s;position:relative;overflow:hidden;will-change:transform}
.btn::before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--fg);transform:translateY(101%);transition:transform .45s var(--ease)}
.btn span,.btn{z-index:0}
.btn>*{position:relative;z-index:1}
.btn:hover{border-color:rgba(236,230,220,.4)}
.btn:hover::before{transform:none}
.btn:hover>*{color:var(--bg)}
.btn.primary{background:var(--amber);border-color:var(--amber);color:var(--ink-on-amber)}
.btn.primary::before{background:linear-gradient(110deg, var(--amber), var(--accent-2))}
.btn.primary:hover>*{color:var(--ink-on-amber)}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- split text ---------- */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.wi{display:inline-block;animation:rise 1s var(--ease) both;animation-delay:calc(var(--i,0) * 55ms + .25s)}
.split-wait .wi{animation-play-state:paused}
@keyframes rise{from{transform:translateY(110%) rotate(3deg)}to{transform:none}}

/* ---------- reveal ---------- */
.reveal{transition:opacity 1s ease, transform 1s var(--ease)}
.reveal.pre{opacity:.001;transform:translateY(34px)}

/* ---------- cursor ---------- */
.cursor,.cursor-dot{position:fixed;left:0;top:0;pointer-events:none;z-index:150;border-radius:50%;transform:translate(-50%,-50%)}
.cursor{width:36px;height:36px;border:1px solid color-mix(in srgb, var(--amber) 60%, transparent);transition:width .3s var(--ease), height .3s var(--ease), background .3s, border-color .3s}
.cursor.big{width:72px;height:72px;background:color-mix(in srgb, var(--amber) 10%, transparent);border-color:var(--amber)}
.cursor-dot{width:5px;height:5px;background:var(--amber)}
@media (pointer:coarse){.cursor,.cursor-dot{display:none}}

/* ---------- pinned 3D stages ---------- */
.pinwrap{position:relative}
.pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:radial-gradient(120% 80% at 50% 40%, color-mix(in srgb, var(--amber) 12%, var(--bg)) 0%, var(--bg) 62%)}
.pin canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(to top, rgba(12,13,15,.9) 0%, rgba(12,13,15,.35) 32%, transparent 52%), radial-gradient(130% 90% at 50% 45%, transparent 55%, rgba(0,0,0,.55) 100%)}
.cap{position:absolute;left:var(--gutter);right:var(--gutter);bottom:clamp(96px,14vh,150px);max-width:640px;transition:opacity .6s ease, transform .8s var(--ease)}
.cap.off{opacity:0;transform:translateY(22px);pointer-events:none}
.cap h1,.cap h2{font-size:clamp(46px,8.4vw,112px);letter-spacing:-.01em}
.cap p{margin-top:16px;color:var(--muted);font-size:clamp(15px,1.4vw,18px);max-width:46ch}
.readout{position:absolute;left:var(--gutter);right:var(--gutter);bottom:28px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);pointer-events:none;font-variant-numeric:tabular-nums}
.readout b{color:var(--fg);font-weight:500}
.scrollhint{display:flex;align-items:center;gap:10px}
.scrollhint i{display:block;width:1px;height:28px;background:linear-gradient(var(--amber),transparent);animation:drip 1.8s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.prog{position:absolute;right:var(--gutter);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px}
.prog i{display:block;width:2px;height:26px;background:var(--line);border-radius:2px;transition:background .4s}
.prog i.on{background:var(--amber)}
.fade{position:absolute;inset:0;background:var(--bg);opacity:0;pointer-events:none}
.no-webgl .pin{background:radial-gradient(70% 60% at 65% 40%, color-mix(in srgb, var(--amber) 25%, transparent), transparent 70%), var(--bg)}
@media (max-width:640px){.readout .hide-sm{display:none}.prog{display:none}}

/* ---------- sections ---------- */
section.block{padding-block:clamp(80px,12vw,160px);border-top:1px solid var(--line)}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:28px 64px;align-items:end;margin-bottom:56px}
.head h2{font-size:clamp(42px,6vw,84px)}
.head p{color:var(--muted);max-width:52ch}
@media (max-width:820px){.head{grid-template-columns:1fr}}

.page-hero{position:relative;padding-top:calc(150px + env(safe-area-inset-top,0px));padding-bottom:clamp(40px,6vw,80px)}
.page-hero h1{font-size:clamp(56px,11vw,168px);letter-spacing:-.015em}
.page-hero p{color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:52ch;margin-top:22px}
.page-hero .num{position:absolute;right:var(--gutter);top:calc(150px + env(safe-area-inset-top,0px));color:var(--muted)}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding-block:26px;white-space:nowrap}
.marquee .track{display:inline-flex;gap:48px;animation:marq 38s linear infinite;will-change:transform}
.marquee span{font:400 clamp(40px,6vw,84px)/1 var(--f-display);display:inline-flex;align-items:center;gap:48px}
.marquee span::after{content:"";width:12px;height:12px;border-radius:50%;background:var(--amber);box-shadow:0 0 18px var(--amber)}
.marquee span:nth-child(even){font-style:italic;color:var(--muted)}
@keyframes marq{to{transform:translateX(-50%)}}

/* link cards */
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;perspective:1200px}
.tile{position:relative;display:flex;flex-direction:column;gap:14px;min-height:380px;padding:30px;border:1px solid var(--line);border-radius:22px;text-decoration:none;background:linear-gradient(160deg, var(--bg-2), var(--bg));overflow:hidden;transform-style:preserve-3d;transition:transform .5s var(--ease), border-color .3s}
.tile:hover{border-color:color-mix(in srgb, var(--amber) 50%, transparent)}
.tile .glow{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle, color-mix(in srgb, var(--amber) 22%, transparent), transparent 62%);left:var(--mx,50%);top:var(--my,50%);transform:translate(-50%,-50%);opacity:0;transition:opacity .4s;pointer-events:none}
.tile:hover .glow{opacity:1}
.tile .mono{color:var(--muted)}
.tile h3{font-size:clamp(40px,4.4vw,60px);margin-top:auto;transform:translateZ(30px)}
.tile p{color:var(--muted);transform:translateZ(20px)}
.tile .go{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;font-size:14px}
.tile .go b{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);font-weight:400;transition:background .3s, color .3s, transform .4s var(--ease)}
.tile:hover .go b{background:var(--amber);color:var(--ink-on-amber);transform:rotate(-45deg)}
@media (max-width:900px){.tiles{grid-template-columns:1fr}.tile{min-height:280px}}

/* facts / counters */
.facts-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.fact{padding:28px 24px 0 0}
.fact b{display:block;font:400 clamp(64px,8vw,120px)/1 var(--f-display);color:var(--fg);font-variant-numeric:tabular-nums}
.fact b em{color:var(--amber)}
.fact span{color:var(--muted);font-size:15px;display:block;margin-top:8px}
@media (max-width:820px){.facts-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}}

/* CTA band */
.band{position:relative;overflow:hidden;border-top:1px solid var(--line);padding-block:clamp(90px,14vw,190px);text-align:left}
.band h2{font-size:clamp(56px,10vw,150px)}
.band::before{content:"";position:absolute;width:70vw;height:70vw;max-width:900px;max-height:900px;right:-20vw;top:50%;transform:translateY(-50%);background:radial-gradient(circle, color-mix(in srgb, var(--amber) 18%, transparent), transparent 60%);animation:breathe 7s ease-in-out infinite;pointer-events:none}
@keyframes breathe{50%{transform:translateY(-50%) scale(1.15);opacity:.7}}

/* datasheet rows */
.sheet{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:110px minmax(0,1.1fr) minmax(0,1.6fr) 210px;gap:24px;align-items:baseline;padding:28px 0;border-bottom:1px solid var(--line);position:relative}
.row::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--amber);transition:width .6s var(--ease)}
.row:hover::before{width:100%}
.row .code{font-family:var(--f-mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.row h3{font-size:clamp(28px,3vw,38px)}
.row p{color:var(--muted)}
.where{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.chip{font:500 11px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;padding:5px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
.chip.hot{border-color:color-mix(in srgb, var(--amber) 50%, transparent);color:var(--amber)}
@media (max-width:900px){.row{grid-template-columns:minmax(0,1fr);gap:8px}.where{justify-content:flex-start;margin-top:6px}}

/* services showcase */
.svc-panel{position:absolute;left:var(--gutter);top:50%;transform:translateY(-50%);width:min(500px,42vw);transition:opacity .55s ease, transform .8s var(--ease)}
.svc-panel.off{opacity:0;transform:translateY(calc(-50% + 30px));pointer-events:none}
.svc-panel .code{font:500 12px var(--f-mono);color:var(--amber);letter-spacing:.12em}
.svc-panel h2{font-size:clamp(44px,6vw,92px);margin-top:14px}
.svc-panel p{color:var(--muted);margin-top:16px;max-width:44ch}
.svc-panel ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.svc-panel li{display:flex;gap:12px;align-items:baseline;font-size:15px}
.svc-panel li::before{content:"";width:14px;height:1px;background:var(--amber);flex:none;transform:translateY(-4px)}
.svc-panel .where{justify-content:flex-start;margin-top:22px}
.svc-count{position:absolute;right:var(--gutter);bottom:30px;font:400 clamp(60px,8vw,110px)/1 var(--f-display);color:var(--fg);font-variant-numeric:tabular-nums;pointer-events:none}
.svc-count small{font-size:.35em;color:var(--muted)}
.svc-bar{position:absolute;left:var(--gutter);right:var(--gutter);top:calc(80px + env(safe-area-inset-top,0px));height:1px;background:var(--line)}
.svc-bar i{position:absolute;left:0;top:0;bottom:0;background:var(--amber);width:0}
@media (max-width:820px){
  .svc-panel{top:auto;bottom:28px;transform:none;width:auto;right:var(--gutter);background:linear-gradient(to top, var(--bg) 60%, transparent);padding-top:40px}
  .svc-panel.off{transform:translateY(24px)}
  .svc-panel h2{font-size:clamp(40px,11vw,60px)}
  .svc-panel ul{display:none}
  .svc-count{top:calc(96px + env(safe-area-inset-top,0px));bottom:auto;font-size:44px}
}

/* three-way cards */
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.trio > div{background:var(--bg);padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:12px}
.trio h3{font-size:clamp(34px,3.6vw,48px)}
.trio p{color:var(--muted)}
.trio .big{font:400 72px/1 var(--f-display);color:var(--amber);font-style:italic}
@media (max-width:820px){.trio{grid-template-columns:1fr}}

/* software cards */
.soft{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.card{background:var(--bg);padding:clamp(24px,3.4vw,44px);display:flex;flex-direction:column;gap:14px;min-height:280px;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;width:320px;height:320px;right:-140px;top:-140px;background:radial-gradient(circle, color-mix(in srgb, var(--amber) 16%, transparent), transparent 65%);opacity:0;transition:opacity .5s}
.card:hover::after{opacity:1}
.card .mono{color:var(--muted)}
.card h3{font-size:clamp(34px,4vw,52px)}
.card p{color:var(--muted);max-width:44ch}
.card ul{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:15px}
.card li::before{content:"→ ";color:var(--amber)}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
@media (max-width:720px){.soft{grid-template-columns:1fr}}
.sw-info{position:absolute;left:var(--gutter);right:var(--gutter);bottom:clamp(80px,12vh,130px);max-width:560px;transition:opacity .5s, transform .7s var(--ease)}
.sw-info.swap{opacity:0;transform:translateY(16px)}
.sw-info h2{font-size:clamp(52px,8vw,110px)}
.sw-info p{color:var(--muted);margin-top:12px;max-width:44ch}
.sw-info .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px}
.sw-dots{position:absolute;right:var(--gutter);bottom:36px;display:flex;gap:8px}
.sw-dots i{width:28px;height:2px;background:var(--line);transition:background .4s, width .4s var(--ease)}
.sw-dots i.on{background:var(--amber);width:52px}

/* horizontal process line */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative}
.flow::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.flow .line{position:absolute;left:0;top:0;height:1px;background:var(--amber);width:calc(var(--p,0) * 100%);box-shadow:0 0 12px var(--amber)}
.flow .st{padding:30px 24px 0 0;position:relative;transition:opacity .5s}
.flow .st::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--muted);transition:background .4s, border-color .4s, box-shadow .4s}
.flow .st.lit::before{background:var(--amber);border-color:var(--amber);box-shadow:0 0 14px var(--amber)}
.flow .n{font:italic 400 60px/1 var(--f-display);color:var(--muted);transition:color .4s}
.flow .st.lit .n{color:var(--amber)}
.flow h3{font-size:28px;margin-top:14px}
.flow p{color:var(--muted);margin-top:8px;font-size:15px}
@media (max-width:820px){
  .flow{grid-template-columns:1fr;padding-left:28px}
  .flow::before{left:0;top:0;bottom:0;width:1px;height:auto;right:auto}
  .flow .line{width:1px;height:calc(var(--p,0) * 100%)}
  .flow .st{padding:0 0 36px 0}
  .flow .st::before{left:-32px;top:10px}
}

/* quick check */
.qc{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:24px}
.qc-list{display:flex;flex-direction:column;gap:8px}
.qc-list button{all:unset;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;font-size:17px;transition:border-color .2s, background .2s, transform .3s var(--ease)}
.qc-list button:hover{border-color:rgba(236,230,220,.3);transform:translateX(4px)}
.qc-list button[aria-pressed="true"]{border-color:var(--amber);background:color-mix(in srgb, var(--amber) 7%, transparent)}
.qc-list button span.mono{color:var(--muted);font-size:11px}
.qc-list button:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.term{background:#09090b;border:1px solid var(--line);border-radius:18px;overflow:hidden;min-width:0;display:flex;flex-direction:column}
.term-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line)}
.term-bar i{width:10px;height:10px;border-radius:50%;background:#2a2b30}
.term-bar i:first-child{background:var(--amber)}
.term-bar span{margin-left:auto;color:var(--muted)}
.term pre{margin:0;padding:22px 22px 26px;font:14px/1.75 var(--f-mono);white-space:pre-wrap;word-break:break-word;color:var(--fg);min-height:330px}
.term pre .a{color:var(--amber)}
.term pre .m{color:var(--muted)}
.caret{display:inline-block;width:8px;height:1.1em;background:var(--amber);vertical-align:-3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media (max-width:820px){.qc{grid-template-columns:1fr}}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0;font:400 clamp(24px,2.6vw,34px)/1.2 var(--f-display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;position:relative;transition:transform .45s var(--ease), background .3s}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:11px;right:11px;top:17px;height:1px;background:var(--fg)}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i{transform:rotate(45deg);background:var(--amber);border-color:var(--amber)}
.faq details[open] summary i::before,.faq details[open] summary i::after{background:var(--ink-on-amber)}
.faq .ans{color:var(--muted);max-width:62ch;padding-bottom:26px;animation:open .5s var(--ease)}
@keyframes open{from{opacity:0;transform:translateY(-8px)}}

/* support hero network */
.net-hero{position:relative;min-height:92vh;min-height:92svh;display:flex;align-items:flex-end;overflow:hidden;background:radial-gradient(90% 70% at 70% 40%, color-mix(in srgb, var(--amber) 12%, var(--bg)) 0%, var(--bg) 65%)}
.net-hero canvas{position:absolute;inset:0;width:100%;height:100%}
.net-hero .wrap{position:relative;width:100%;padding-bottom:clamp(50px,9vh,100px);padding-top:140px}
.net-hero h1{font-size:clamp(56px,10vw,150px)}
.net-hero p{color:var(--muted);max-width:46ch;margin-top:18px;font-size:clamp(16px,1.5vw,19px)}
.net-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:50%;background:linear-gradient(to top, var(--bg), transparent);pointer-events:none}
.net-hero .wrap{z-index:1}

/* contact */
.ct-hero{position:relative;overflow:hidden}
.ct-hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.contact{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start;padding-top:calc(150px + env(safe-area-inset-top,0px));padding-bottom:clamp(80px,10vw,140px)}
.contact h1{font-size:clamp(60px,10vw,150px)}
.facts{margin:36px 0 0;display:grid;gap:18px}
.facts div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.facts dt{color:var(--muted)}
.facts dd{margin:0}
form{display:grid;gap:14px;background:rgba(23,24,28,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:22px;padding:clamp(20px,3vw,34px)}
label{display:grid;gap:8px;font-size:13px;color:var(--muted)}
input,select,textarea{font:15px var(--f-body);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 14px;width:100%;transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--amber)}
textarea{min-height:130px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{font-size:13px;color:var(--amber);min-height:1.2em}
@media (max-width:820px){.contact{grid-template-columns:1fr}.two{grid-template-columns:1fr}}

/* footer */
footer{border-top:1px solid var(--line);padding-block:56px 32px}
.foot{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:32px}
.foot .big{font:400 clamp(48px,7vw,96px)/1 var(--f-display)}
.foot .big b{font-weight:400;color:var(--amber)}
.foot nav{display:grid;gap:8px;align-content:start}
.foot nav a{text-decoration:none;color:var(--muted);transition:color .2s}
.foot nav a:hover{color:var(--fg)}
.foot .base{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:24px;margin-top:16px}
@media (max-width:720px){.foot{grid-template-columns:1fr 1fr}.foot > div:first-child{grid-column:1/-1}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .curtain{display:none}
}


/* ---------- colour palettes (switched via html[data-accent]) ---------- */
:root[data-accent="amber"]{--amber:#f0a94b;--accent-2:#ff6b4a;--ink-on-amber:#170e05}
:root[data-accent="ocean"]{--amber:#38c6ff;--accent-2:#7c6cff;--ink-on-amber:#04131c}
:root[data-accent="violet"]{--amber:#b18cff;--accent-2:#ff6fb5;--ink-on-amber:#140a22}
:root[data-accent="emerald"]{--amber:#36dba0;--accent-2:#2fc8f0;--ink-on-amber:#04170f}
:root[data-accent="coral"]{--amber:#ff7d5c;--accent-2:#ffd04a;--ink-on-amber:#1c0904}
:root[data-accent="rose"]{--amber:#ff5e8a;--accent-2:#ffb35c;--ink-on-amber:#1d0610}

/* gradient emphasis */
h1 em,h2 em,h3 em,.cap h1 em,.cap h2 em{background:linear-gradient(100deg, var(--amber) 10%, var(--accent-2) 90%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.06em}
.btn.primary{background:linear-gradient(110deg, var(--amber), color-mix(in srgb, var(--amber) 55%, var(--accent-2)));border-color:transparent}
.curtain{background:linear-gradient(135deg, var(--amber), var(--accent-2))}
.marquee span:nth-child(3n)::after{background:var(--accent-2);box-shadow:0 0 18px var(--accent-2)}
.step::before,.flow .st.lit::before{background:linear-gradient(135deg,var(--amber),var(--accent-2))}
.svc-bar i,.flow .line{background:linear-gradient(90deg, var(--amber), var(--accent-2))}
.sw-dots i.on{background:linear-gradient(90deg, var(--amber), var(--accent-2))}
.cursor-dot{background:var(--accent-2)}

/* aurora behind page heroes */
.page-hero::before,.contact::before{content:"";position:absolute;z-index:-1;inset:-10% -20% auto auto;width:min(900px,90vw);height:min(700px,80vw);background:
  radial-gradient(closest-side, color-mix(in srgb, var(--amber) 38%, transparent), transparent 70%) 0 0/60% 60% no-repeat,
  radial-gradient(closest-side, color-mix(in srgb, var(--accent-2) 34%, transparent), transparent 70%) 100% 40%/60% 60% no-repeat;
  filter:blur(40px);opacity:.75;animation:aurora 14s ease-in-out infinite alternate;pointer-events:none}
.page-hero,.contact{isolation:isolate}
@keyframes aurora{0%{transform:translate(0,0) rotate(0)}50%{transform:translate(-6%,8%) rotate(12deg)}100%{transform:translate(4%,-4%) rotate(-8deg)}}
.band::after{content:"";position:absolute;width:50vw;height:50vw;max-width:640px;max-height:640px;left:-10vw;bottom:-25vw;background:radial-gradient(circle, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 60%);animation:breathe 9s ease-in-out infinite reverse;pointer-events:none}

/* palette picker */
.pal{position:relative}
.pal-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:none;cursor:pointer;display:grid;place-items:center;padding:0}
.pal-btn i{width:20px;height:20px;border-radius:50%;background:conic-gradient(from 0deg, var(--amber), var(--accent-2), var(--amber));box-shadow:0 0 14px color-mix(in srgb, var(--amber) 60%, transparent);transition:transform .6s var(--ease)}
.pal-btn:hover i{transform:rotate(180deg) scale(1.1)}
.pal-pop{position:absolute;right:0;top:52px;background:rgba(19,20,24,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:18px;padding:14px;display:grid;gap:10px;min-width:232px;transform-origin:top right;transition:opacity .3s, transform .4s var(--ease)}
.pal-pop[hidden]{display:grid!important;opacity:0;transform:scale(.92) translateY(-6px);pointer-events:none;visibility:hidden}
.pal-pop .mono{color:var(--muted);font-size:11px}
.pal-row{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.sw{width:26px;height:26px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;outline-offset:2px;transition:transform .25s var(--ease)}
.sw:hover{transform:scale(1.15)}
.sw[aria-pressed="true"]{border-color:var(--fg)}
.sw.auto{background:conic-gradient(#f0a94b,#38c6ff,#b18cff,#36dba0,#ff7d5c,#ff5e8a,#f0a94b)}
.pal-name{font-size:13px;color:var(--fg)}
main{overflow-x:clip}
[data-split] em{background:none;color:inherit;padding-right:0}
h1 em .wi,h2 em .wi,h3 em .wi{background:linear-gradient(100deg, var(--amber) 10%, var(--accent-2) 90%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.05em}