/* Keeping AI on Things guide pages. CNAT design system, premium build. */
:root{
  --bg:#0A1322; --bg2:#0F1A2E;
  --panel:rgba(255,255,255,.045); --panel-2:rgba(255,255,255,.07); --panel-solid:#121E33;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --cyan:#6FA8D4; --cyan-dim:rgba(111,168,212,.12); --cyan-line:rgba(111,168,212,.35);
  --gold:#C9A45C; --gold-soft:#D9BC85; --gold-dim:rgba(201,164,92,.12); --gold-line:rgba(201,164,92,.35);
  --white:#F2F6FA; --dim:#A6B5CC; --faint:#64789B;
  --green:#67B98D; --coral:#C97F7F;
  --ease:cubic-bezier(.16,1,.3,1);
  --font-display:'Bebas Neue',sans-serif;
  --font-head:'Oswald',sans-serif;
  --font-body:'Source Sans 3',sans-serif;
  --font-mono:ui-monospace,'SF Mono',Menlo,monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
html{overflow-x:clip;}
body{background:var(--bg);color:var(--white);font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip;}
img,svg{max-width:100%;}
.wrap{max-width:860px;margin:0 auto;padding:0 20px;}

/* Layered fixed background */
.bg-fx{position:fixed;inset:0;z-index:-1;background:
  radial-gradient(ellipse 60% 45% at 12% -5%, rgba(111,168,212,.06), transparent 60%),
  radial-gradient(ellipse 55% 40% at 95% 15%, rgba(201,164,92,.05), transparent 60%),
  radial-gradient(ellipse 70% 50% at 50% 110%, rgba(111,168,212,.05), transparent 60%),
  linear-gradient(180deg,var(--bg2) 0%,var(--bg) 40%);}
.bg-fx::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(160,180,210,.05) 1px,transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 70%);}

/* Scroll progress */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;background:transparent;}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold));transform-origin:0 50%;transform:scaleX(0);}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
}

/* ── Guide header ─────────────────────────────── */
header.guide{padding:22px 0 34px;position:relative;}
.crumb{display:inline-flex;align-items:center;gap:8px;color:var(--dim);text-decoration:none;font-family:var(--font-head);font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase;padding:10px 16px 10px 12px;border:1px solid var(--line);border-radius:100px;background:var(--panel);backdrop-filter:blur(10px);transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
.crumb:hover{color:var(--cyan);border-color:var(--cyan-line);transform:translateX(-2px);}
.crumb svg{width:14px;height:14px;flex:0 0 auto;}
.guide-level{display:flex;align-items:center;gap:10px;margin:26px 0 12px;font-family:var(--font-head);font-size:.75rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold-soft);}
.lv{display:inline-flex;gap:4px;}
.lv i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.14);}
.lv i.on{background:var(--gold);}
header.guide h1{font-family:var(--font-display);font-size:clamp(2.7rem,9vw,4.3rem);letter-spacing:2px;line-height:.98;margin-bottom:10px;}
header.guide h1 .hl{color:var(--cyan);}
header.guide .sub{font-size:clamp(1.02rem,3.6vw,1.2rem);color:var(--dim);font-weight:300;max-width:60ch;}
.meta-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:100px;border:1px solid var(--line);background:var(--panel);font-family:var(--font-head);font-size:.76rem;letter-spacing:1px;text-transform:uppercase;color:var(--dim);}
.chip svg{width:14px;height:14px;color:var(--cyan);}

/* ── Sections ─────────────────────────────────── */
main{padding-bottom:10px;}
section{padding:clamp(26px,5vw,40px) 0 6px;}
.kicker{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px;}
h2{font-family:var(--font-head);font-weight:500;font-size:clamp(1.45rem,5.5vw,1.9rem);letter-spacing:.5px;margin-bottom:6px;}
h2 .em{color:var(--gold);}
.lead{color:var(--dim);margin-bottom:18px;max-width:62ch;}
h3{font-family:var(--font-head);font-weight:500;font-size:1.12rem;}

/* Outcome cards */
.win-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px;}
.win{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 18px;backdrop-filter:blur(10px);transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);}
.win:hover{transform:translateY(-2px);border-color:var(--cyan-line);box-shadow:0 14px 34px rgba(0,0,0,.35);}
.win .ic{width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--cyan-dim);border:1px solid var(--cyan-line);color:var(--cyan);}
.win .ic svg{width:20px;height:20px;}
.win p{font-size:.95rem;color:var(--dim);}
.win p strong{color:var(--white);}

/* Needs checklist */
.needs{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.need{display:flex;gap:12px;align-items:flex-start;padding:13px 16px;border-radius:14px;background:var(--panel);border:1px solid var(--line);}
.need svg{width:18px;height:18px;flex:0 0 auto;color:var(--green);margin-top:3px;}
.need p{font-size:.95rem;color:var(--dim);}
.need p strong,.need p a{color:var(--white);}
a.inline{color:var(--cyan);text-decoration-color:rgba(111,168,212,.4);text-underline-offset:3px;}
a.inline:hover{text-decoration-color:var(--cyan);}

/* Step rail */
ol.rail{list-style:none;position:relative;margin-top:20px;}
ol.rail::before{content:'';position:absolute;left:21px;top:8px;bottom:26px;width:2px;background:linear-gradient(180deg,var(--gold) 0%,rgba(201,164,92,.15) 100%);}
ol.rail li{position:relative;padding:0 0 22px 62px;}
ol.rail li:last-child{padding-bottom:6px;}
.stepnum{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--gold),#A9854A);color:#1a1206;font-family:var(--font-display);font-size:1.35rem;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3);}
.stepcard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 18px;backdrop-filter:blur(10px);}
.stepcard h3{margin-bottom:4px;}
.stepcard p{font-size:.95rem;color:var(--dim);}
.stepcard p+p{margin-top:8px;}
.stepcard p strong{color:var(--white);}

/* Tabs (path picker) */
.tabs{margin-top:16px;}
.tabbar{display:flex;gap:6px;padding:5px;border:1px solid var(--line);border-radius:100px;background:var(--panel);width:max-content;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:16px;}
.tab-btn{appearance:none;border:1px solid transparent;background:transparent;color:var(--dim);font-family:var(--font-head);font-size:.82rem;letter-spacing:1px;text-transform:uppercase;padding:11px 18px;border-radius:100px;cursor:pointer;min-height:44px;white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);}
.tab-btn:hover{color:var(--white);}
.tab-btn.active{background:var(--cyan-dim);border-color:var(--cyan-line);color:var(--cyan);}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:foldIn .3s var(--ease);}
@keyframes foldIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.path-note{font-size:.85rem;color:var(--faint);margin-top:10px;}

/* Prompt terminal cards */
.prompt-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0A1120;margin-top:16px;box-shadow:0 16px 40px rgba(0,0,0,.35);}
.prompt-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);}
.pdot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;}
.pdot.r{background:var(--coral);}.pdot.y{background:var(--gold);}.pdot.g{background:var(--green);}
.prompt-name{font-family:var(--font-mono);font-size:.74rem;color:var(--dim);margin-left:6px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.copy-btn{appearance:none;display:inline-flex;align-items:center;gap:7px;background:var(--cyan);color:#0E1B29;border:none;border-radius:9px;padding:9px 14px;font-family:var(--font-head);font-size:.76rem;letter-spacing:1px;text-transform:uppercase;font-weight:500;cursor:pointer;min-height:36px;transition:transform .2s var(--ease),background .2s var(--ease);}
.copy-btn:hover{transform:scale(1.03);}
.copy-btn:active{transform:scale(.97);}
.copy-btn.done{background:var(--green);}
.copy-btn svg{width:13px;height:13px;}
.prompt-tag{padding:12px 16px 0;font-size:.9rem;color:var(--dim);}
.prompt-card pre{padding:16px;overflow-x:auto;font-family:var(--font-mono);font-size:.85rem;line-height:1.55;color:#CFE3F2;white-space:pre-wrap;word-break:break-word;}

/* Phone frame + chat mock */
.demo-strip{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;margin-top:18px;}
.phone{width:min(320px,100%);margin:0 auto;border-radius:44px;background:#060C18;border:1px solid var(--line-2);box-shadow:0 34px 70px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.6);padding:12px;}
.phone-screen{border-radius:34px;overflow:hidden;background:linear-gradient(180deg,#0D1830,#0A1322);border:1px solid var(--line);min-height:380px;display:flex;flex-direction:column;}
.phone-notch{height:26px;display:flex;align-items:center;justify-content:center;}
.phone-notch i{width:96px;height:20px;background:#060C18;border-radius:100px;}
.chat-head{display:flex;align-items:center;gap:10px;padding:10px 16px 12px;border-bottom:1px solid var(--line);}
.chat-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),#3E6C93);display:flex;align-items:center;justify-content:center;color:#0E1B29;}
.chat-avatar svg{width:16px;height:16px;}
.chat-head b{font-family:var(--font-head);font-weight:500;font-size:.9rem;letter-spacing:.5px;}
.chat-head span{display:block;font-size:.68rem;color:var(--green);}
.chat-body{padding:14px 12px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.msg{max-width:88%;padding:10px 13px;border-radius:16px;font-size:.82rem;line-height:1.5;}
.msg.user{align-self:flex-end;background:var(--cyan-dim);border:1px solid var(--cyan-line);border-bottom-right-radius:5px;color:var(--white);}
.msg.ai{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-left-radius:5px;color:var(--dim);}
.msg.ai b{color:var(--white);}
.msg .tick{display:block;font-size:.62rem;color:var(--faint);margin-top:5px;}
.demo-caption{text-align:center;font-size:.82rem;color:var(--faint);margin-top:10px;}
@media(min-width:760px){.demo-strip.split{grid-template-columns:1fr 340px;}}

/* Watch-outs */
.alerts{display:flex;flex-direction:column;gap:12px;margin-top:14px;}
.alert{display:flex;gap:14px;align-items:flex-start;background:rgba(201,127,127,.055);border:1px solid rgba(201,127,127,.28);border-radius:16px;padding:15px 17px;}
.alert .ic{width:36px;height:36px;flex:0 0 auto;border-radius:11px;background:rgba(201,127,127,.12);display:flex;align-items:center;justify-content:center;color:var(--coral);}
.alert .ic svg{width:18px;height:18px;}
.alert p{font-size:.93rem;color:var(--dim);}
.alert p strong{color:var(--white);}

/* Next-play cards */
.next-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:16px;}
@media(min-width:640px){.next-grid{grid-template-columns:1fr 1fr;}}
a.next-card{display:flex;flex-direction:column;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--white);position:relative;overflow:hidden;transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);}
a.next-card::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 100% 0%,rgba(111,168,212,.08),transparent 60%);opacity:0;transition:opacity .25s var(--ease);}
a.next-card:hover{transform:translateY(-3px);border-color:var(--cyan-line);box-shadow:0 16px 36px rgba(0,0,0,.4);}
a.next-card:hover::after{opacity:1;}
.next-kicker{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);}
.next-name{font-family:var(--font-head);font-weight:500;font-size:1.08rem;display:flex;align-items:center;gap:8px;}
.next-name svg{width:15px;height:15px;color:var(--cyan);transition:transform .25s var(--ease);}
a.next-card:hover .next-name svg{transform:translateX(4px);}
.next-desc{font-size:.86rem;color:var(--dim);}

/* Footer */
footer{text-align:center;padding:36px 20px 48px;margin-top:34px;border-top:1px solid var(--line);color:var(--faint);font-size:.85rem;}
footer b{color:var(--dim);font-weight:600;}

@media(min-width:640px){
  .win-grid{grid-template-columns:1fr 1fr;}
}

@media print{
  .bg-fx,.progress,.copy-btn,.crumb,.next-grid,.phone,.demo-caption{display:none !important;}
  body{background:#fff;color:#111;}
  header.guide h1,h2,h3{color:#0F1A2E;}
  h2 .em{color:#0F1A2E;}
  .win,.need,.stepcard,.alert,.prompt-card{background:#fff;border-color:#ccc;box-shadow:none;}
  .win p,.need p,.stepcard p,.alert p,.lead,.sub{color:#333;}
  .prompt-card pre{color:#111;background:#f5f5f5;}
  .reveal{opacity:1;transform:none;}
}

/* ══════════ v3: app-like components ══════════ */

/* Flow strip: the whole play at a glance */
.flow-wrap{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:20px 16px 14px;backdrop-filter:blur(10px);}
.flow{display:flex;align-items:flex-start;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:2px;padding-bottom:6px;}
.fnode{flex:1;min-width:104px;text-align:center;padding:0 4px;}
.fnode .fic{width:46px;height:46px;margin:0 auto 8px;border-radius:14px;background:var(--cyan-dim);border:1px solid var(--cyan-line);display:flex;align-items:center;justify-content:center;color:var(--cyan);}
.fnode .fic svg{width:22px;height:22px;}
.fnode b{display:block;font-family:var(--font-head);font-weight:500;font-size:.8rem;letter-spacing:.5px;line-height:1.3;}
.fnode span{display:block;font-size:.72rem;color:var(--faint);line-height:1.35;margin-top:2px;}
.farrow{flex:0 0 auto;display:flex;align-items:center;color:var(--faint);padding-top:14px;}
.farrow svg{width:16px;height:16px;}
.fnode.result .fic{background:var(--gold-dim);border-color:var(--gold-line);color:var(--gold);}
.fnode.result b{color:var(--gold-soft);}
.flow-note{margin-top:10px;font-size:.88rem;color:var(--dim);text-align:center;}
.flow-note strong{color:var(--white);}

/* Stepper */
.stepper{border:1px solid var(--line);border-radius:18px;background:var(--panel);overflow:hidden;backdrop-filter:blur(10px);}
.stepper-top{display:flex;align-items:center;gap:14px;padding:13px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025);}
.stepper-count{font-family:var(--font-head);font-size:.76rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--dim);white-space:nowrap;}
.stepper-progress{flex:1;height:5px;border-radius:100px;background:rgba(255,255,255,.09);overflow:hidden;}
.stepper-progress i{display:block;height:100%;width:0%;border-radius:100px;background:linear-gradient(90deg,var(--cyan),var(--gold));transition:width .4s var(--ease);}
.stepper-done{font-family:var(--font-head);font-size:.76rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint);white-space:nowrap;}
.step{border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:none;}
.step-head{appearance:none;background:none;border:none;width:100%;text-align:left;display:flex;align-items:center;gap:14px;padding:15px 18px;min-height:64px;cursor:pointer;color:var(--white);font-family:var(--font-body);transition:background .2s var(--ease);}
.step-head:hover{background:rgba(255,255,255,.03);}
.snum{width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid var(--line-2);color:var(--dim);font-family:var(--font-display);font-size:1.15rem;display:flex;align-items:center;justify-content:center;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);}
.step.open .snum{background:linear-gradient(135deg,var(--gold),#A9854A);border-color:transparent;color:#1a1206;}
.step.done .snum{background:rgba(103,185,141,.16);border-color:rgba(103,185,141,.45);color:var(--green);}
.stext{flex:1;min-width:0;}
.stext b{display:block;font-family:var(--font-head);font-weight:500;font-size:1.02rem;line-height:1.3;}
.stext span{display:block;font-size:.82rem;color:var(--faint);margin-top:1px;}
.step.done .stext b{color:var(--dim);}
.schev{flex:0 0 auto;color:var(--faint);transition:transform .3s var(--ease),color .3s var(--ease);}
.schev svg{width:17px;height:17px;}
.step.open .schev{transform:rotate(180deg);color:var(--cyan);}
.step-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease);}
.step.open .step-body{grid-template-rows:1fr;}
.step-inner{overflow:hidden;min-height:0;}
.step-pad{padding:2px 18px 18px 70px;}
.step-pad p{font-size:.93rem;color:var(--dim);}
.step-pad p+p{margin-top:8px;}
.step-pad p strong{color:var(--white);}
.step-next{appearance:none;margin-top:14px;display:inline-flex;align-items:center;gap:8px;background:var(--cyan);color:#0E1B29;border:none;border-radius:100px;padding:11px 20px;font-family:var(--font-head);font-size:.78rem;letter-spacing:1.2px;text-transform:uppercase;font-weight:500;cursor:pointer;min-height:44px;transition:transform .2s var(--ease);}
.step-next:hover{transform:scale(1.03);}
.step-next svg{width:14px;height:14px;}
@media(max-width:560px){.step-pad{padding-left:18px;}}

/* Screen-mock windows */
.window{border:1px solid var(--line-2);border-radius:14px;overflow:hidden;background:#0B1526;box-shadow:0 18px 44px rgba(0,0,0,.4);margin-top:14px;}
.window-bar{display:flex;align-items:center;gap:8px;padding:9px 13px;background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);}
.window-title{font-family:var(--font-mono);font-size:.7rem;color:var(--dim);margin-left:6px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.window-body{padding:13px;}
.mock-note{font-size:.8rem;color:var(--faint);margin-top:8px;}
.ui-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);font-size:.84rem;color:var(--dim);}
.ui-row+.ui-row{margin-top:8px;}
.ui-row .ui-l{display:flex;align-items:center;gap:10px;min-width:0;}
.ui-row .ui-l b{color:var(--white);font-weight:600;font-size:.85rem;}
.ui-row .ui-l small{display:block;font-size:.72rem;color:var(--faint);}
.ui-app{width:30px;height:30px;flex:0 0 auto;border-radius:8px;background:var(--cyan-dim);border:1px solid var(--cyan-line);display:flex;align-items:center;justify-content:center;color:var(--cyan);}
.ui-app svg{width:15px;height:15px;}
.toggle{width:40px;height:23px;flex:0 0 auto;border-radius:100px;background:rgba(255,255,255,.16);position:relative;}
.toggle::after{content:'';position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#DDE7F2;transition:left .2s;}
.toggle.on{background:var(--green);}
.toggle.on::after{left:20px;}
.ui-state{font-family:var(--font-head);font-size:.68rem;letter-spacing:1px;text-transform:uppercase;white-space:nowrap;}
.ui-state.off{color:var(--coral);}
.ui-state.on{color:var(--green);}
.ui-btn{flex:0 0 auto;font-family:var(--font-head);font-size:.7rem;letter-spacing:1px;text-transform:uppercase;color:var(--cyan);border:1px solid var(--cyan-line);border-radius:100px;padding:6px 13px;background:var(--cyan-dim);}
.ui-flag{border-color:rgba(201,127,127,.4);background:rgba(201,127,127,.07);}
.ui-flag .ui-state{color:var(--coral);}
.file-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:10px;border:1px solid var(--cyan-line);background:var(--cyan-dim);font-family:var(--font-mono);font-size:.72rem;color:var(--cyan);}
.file-chip svg{width:13px;height:13px;}

/* Spreadsheet mock */
.sheet{border:1px solid var(--line);border-radius:10px;overflow:hidden;font-family:var(--font-mono);font-size:.72rem;}
.sheet-row{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;border-bottom:1px solid var(--line);}
.sheet-row:last-child{border-bottom:none;}
.sheet-row>span{padding:8px 10px;color:var(--dim);border-right:1px solid var(--line);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sheet-row>span:last-child{border-right:none;}
.sheet-row.head>span{background:rgba(255,255,255,.05);color:var(--white);font-weight:600;}
.sheet-row>span.hl{background:rgba(201,164,92,.09);color:var(--gold-soft);}

/* Doc skeleton */
.doc-line{height:8px;border-radius:4px;background:rgba(255,255,255,.12);margin:9px 0;}
.doc-line.w60{width:60%;}.doc-line.w80{width:80%;}.doc-line.w40{width:40%;}
.doc-h{height:12px;width:45%;border-radius:4px;background:rgba(111,168,212,.35);margin:14px 0 10px;}
.doc-h.gold{background:rgba(201,164,92,.4);}

/* Collapsible prompt (details) for guide pages */
details.prompt{border:1px solid var(--line);border-radius:18px;background:#0A1120;margin-top:14px;overflow:hidden;box-shadow:0 12px 32px rgba(0,0,0,.3);}
details.prompt[open]{border-color:var(--cyan-line);}
details.prompt summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:16px 18px;min-height:64px;transition:background .2s var(--ease);}
details.prompt summary::-webkit-details-marker{display:none;}
details.prompt summary:hover{background:rgba(255,255,255,.03);}
.pr-ic{width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:var(--cyan-dim);border:1px solid var(--cyan-line);color:var(--cyan);display:flex;align-items:center;justify-content:center;}
.pr-ic svg{width:18px;height:18px;}
.pr-text{flex:1;min-width:0;}
.pr-text b{display:block;font-family:var(--font-head);font-weight:500;font-size:1.02rem;}
.pr-text span{display:block;font-size:.83rem;color:var(--faint);margin-top:1px;}
.pr-chev{flex:0 0 auto;color:var(--faint);transition:transform .3s var(--ease);}
.pr-chev svg{width:17px;height:17px;}
details.prompt[open] .pr-chev{transform:rotate(180deg);color:var(--cyan);}
.pr-body{border-top:1px solid var(--line);}
@media print{
  .step-body{grid-template-rows:1fr !important;}
  details.prompt{border-color:#ccc;}
  .window,.sheet{border-color:#ccc;background:#fff;}
  .step-next{display:none;}
}

/* Focus visibility */
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* Site header band (matches hub) */
header.site{border-bottom:1px solid var(--line);}
.site-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:14px;padding-bottom:14px;}
a.brand{font-family:var(--font-head);font-weight:500;font-size:.86rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--dim);text-decoration:none;}
a.brand b{color:var(--gold);font-weight:600;}
a.brand:hover{color:var(--white);}
.brand-right{font-family:var(--font-head);font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint);}
@media(max-width:520px){.brand-right{display:none;}}

/* Brand logo */
a.brand{display:inline-flex;align-items:center;gap:12px;}
a.brand img{height:26px;width:auto;display:block;}
a.brand span{font-family:var(--font-head);font-weight:500;font-size:.8rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--dim);padding-left:12px;border-left:1px solid var(--line-2);transition:color .2s var(--ease);}
a.brand:hover span{color:var(--white);}
.foot-logo{height:22px;width:auto;opacity:.65;margin-bottom:10px;}

/* ══════════ v6: energy pass — accents per level, paper bands ══════════ */
body{--accent:#C9A45C;--accent-deep:#A9854A;--accent-soft:#D9BC85;--accent-dim:rgba(201,164,92,.12);--accent-line:rgba(201,164,92,.4);}
body.lv2{--accent:#6FA8D4;--accent-deep:#4E7FA6;--accent-soft:#9CC3E2;--accent-dim:rgba(111,168,212,.12);--accent-line:rgba(111,168,212,.4);}
body.lv3{--accent:#CE7A56;--accent-deep:#A85B3D;--accent-soft:#E09B7C;--accent-dim:rgba(206,122,86,.12);--accent-line:rgba(206,122,86,.4);}
header.guide h1 .hl{color:var(--accent);}
.guide-level{color:var(--accent-soft);}
.lv i.on{background:var(--accent);}
h2 .em{color:var(--accent-soft);}
.meta-chips .chip svg{color:var(--accent);}
.fnode.result .fic{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent);}
.fnode.result b{color:var(--accent-soft);}
.stepnum{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;}
.step.open .snum{background:linear-gradient(135deg,var(--accent),var(--accent-deep));border-color:transparent;color:#fff;}
.stepper-progress i{background:linear-gradient(90deg,var(--accent),var(--accent-deep));}
ol.rail::before{background:linear-gradient(180deg,var(--accent) 0%,transparent 100%);}
h2{font-size:clamp(1.6rem,5.5vw,2.25rem);}

/* Full-bleed bands */
main>section.band{padding:clamp(38px,6vw,60px) 0 clamp(30px,5vw,46px);}
.band-paper{background:#F3EDE2;color:#212B3A;}
.band-paper h2{color:#212B3A;}
.band-paper h2 .em{color:var(--accent-deep);}
.band-paper .lead{color:#5C6678;}
.band-paper a.inline{color:#3E6C93;text-decoration-color:rgba(62,108,147,.4);}
.band-paper .needs .need{background:#fff;border-color:rgba(33,43,58,.1);box-shadow:0 2px 12px rgba(33,43,58,.05);}
.band-paper .need p{color:#4A5568;}
.band-paper .need p strong{color:#212B3A;}
.band-paper .need p a{color:#3E6C93;}
.band-paper .need svg{color:#3F8862;}
.band-paper .stepper{background:#fff;border-color:rgba(33,43,58,.12);box-shadow:0 18px 48px rgba(33,43,58,.1);backdrop-filter:none;}
.band-paper .stepper-top{background:rgba(33,43,58,.03);border-color:rgba(33,43,58,.08);}
.band-paper .stepper-count{color:#5C6678;}
.band-paper .stepper-done{color:#8A93A5;}
.band-paper .stepper-progress{background:rgba(33,43,58,.1);}
.band-paper .step{border-color:rgba(33,43,58,.08);}
.band-paper .step-head{color:#212B3A;}
.band-paper .step-head:hover{background:rgba(33,43,58,.03);}
.band-paper .snum{background:rgba(33,43,58,.06);border-color:rgba(33,43,58,.16);color:#5C6678;}
.band-paper .step.done .snum{background:rgba(103,185,141,.16);border-color:rgba(63,136,98,.5);color:#3F8862;}
.band-paper .stext span{color:#8A93A5;}
.band-paper .step.done .stext b{color:#8A93A5;}
.band-paper .step-pad p{color:#4A5568;}
.band-paper .step-pad p strong{color:#212B3A;}
.band-paper .schev{color:#8A93A5;}
.band-paper .step.open .schev{color:var(--accent-deep);}
.band-paper .step-next{background:#212B3A;color:#F3EDE2;}
.band-paper .mock-note{color:#8A93A5;}
.band-paper .tabbar{background:#fff;border-color:rgba(33,43,58,.12);}
.band-paper .tab-btn{color:#5C6678;}
.band-paper .tab-btn:hover{color:#212B3A;}
.band-paper .tab-btn.active{background:rgba(62,108,147,.1);border-color:rgba(62,108,147,.4);color:#3E6C93;}
.band-paper .stepcard{background:#fff;border-color:rgba(33,43,58,.1);backdrop-filter:none;}
.band-paper .stepcard p{color:#4A5568;}
.band-paper .stepcard p strong{color:#212B3A;}
.band-paper .path-note{color:#8A93A5;}
.band-paper .demo-caption{color:#8A93A5;}
.band-tint{background:linear-gradient(180deg,rgba(201,127,127,.08),rgba(201,127,127,.015));}



/* Dark components keep light text even inside paper bands */
details.prompt,.prompt-card,.window,.phone{color:var(--white);}
details.prompt .pr-text span{color:var(--faint);}

/* ══════════ v7: light-first ══════════ */
.band-paper .flow-wrap{background:#fff;border-color:rgba(33,43,58,.1);box-shadow:0 12px 36px rgba(33,43,58,.07);backdrop-filter:none;}
.band-paper .fnode .fic{background:rgba(62,108,147,.1);border-color:rgba(62,108,147,.35);color:#3E6C93;}
.band-paper .fnode b{color:#212B3A;}
.band-paper .fnode span{color:#8A93A5;}
.band-paper .farrow{color:#B9C0CC;}
.band-paper .fnode.result .fic{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent-deep);}
.band-paper .fnode.result b{color:var(--accent-deep);}
.band-paper .flow-note{color:#5C6678;}
.band-paper .flow-note strong{color:#212B3A;}
.band-paper .alert{background:#fff;border-color:rgba(169,80,80,.35);box-shadow:0 2px 12px rgba(33,43,58,.05);}
.band-paper .alert .ic{background:rgba(201,127,127,.16);color:#A85050;}
.band-paper .alert p{color:#4A5568;}
.band-paper .alert p strong{color:#212B3A;}
.band-paper a.next-card{background:#fff;border-color:rgba(33,43,58,.1);color:#212B3A;box-shadow:0 2px 12px rgba(33,43,58,.05);backdrop-filter:none;}
.band-paper a.next-card::after{display:none;}
.band-paper a.next-card:hover{border-color:rgba(62,108,147,.45);box-shadow:0 14px 34px rgba(33,43,58,.12);}
.band-paper .next-kicker{color:#3E6C93;}
.band-paper .next-name{color:#212B3A;}
.band-paper .next-name svg{color:var(--accent-deep);}
.band-paper .next-desc{color:#5C6678;}
.band-paper .win{background:#fff;border-color:rgba(33,43,58,.1);}
.band-paper .win p{color:#4A5568;}
.band-paper .win p strong{color:#212B3A;}
/* Mock screens are examples, not functional UI */
.window-bar::after{content:'SAMPLE';margin-left:8px;font-family:var(--font-mono);font-size:.58rem;letter-spacing:.12em;color:var(--faint);border:1px solid var(--line-2);border-radius:5px;padding:2px 6px;}


/* Prompt-open button + modal */
.prompt-open{appearance:none;display:inline-flex;align-items:center;gap:8px;background:transparent;border:1.5px solid #3E6C93;color:#3E6C93;border-radius:100px;padding:10px 18px;font-family:var(--font-head);font-size:.76rem;letter-spacing:1.2px;text-transform:uppercase;font-weight:500;cursor:pointer;min-height:44px;margin:14px 12px 0 0;transition:background .2s var(--ease),color .2s var(--ease);}
.prompt-open:hover{background:rgba(62,108,147,.12);}
.prompt-open::before{content:'';width:14px;height:14px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M6 3h8l4 4v14H6z M14 3v4h4'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M6 3h8l4 4v14H6z M14 3v4h4'/%3E%3C/svg%3E") center/contain no-repeat;}
.pmodal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:18px;}
.pmodal-backdrop{position:absolute;inset:0;background:rgba(10,19,34,.72);backdrop-filter:blur(5px);}
.pmodal-panel{position:relative;width:min(760px,100%);max-height:86vh;display:flex;flex-direction:column;background:#0A1120;color:var(--white);border:1px solid var(--line-2);border-radius:18px;box-shadow:0 34px 90px rgba(0,0,0,.55);overflow:hidden;animation:foldIn .25s var(--ease);}
.pmodal-panel .prompt-bar{flex:0 0 auto;}
.pmodal-panel pre{flex:1;overflow:auto;padding:18px;font-family:var(--font-mono);font-size:.86rem;line-height:1.55;color:#CFE3F2;white-space:pre-wrap;word-break:break-word;}
.pmodal-x{appearance:none;background:transparent;border:none;color:var(--dim);font-size:1rem;cursor:pointer;padding:8px 10px;min-height:36px;border-radius:8px;}
.pmodal-x:hover{color:var(--white);background:rgba(255,255,255,.07);}

/* ══════════ v9 variety: distinct element grammar ══════════ */
/* Flow: open diagram with dashed connectors, no card */
.band-paper .flow-wrap{background:transparent;border:none;box-shadow:none;padding:0;}
.band-paper .flow{gap:0;padding-bottom:2px;}
.band-paper .farrow{flex:1;min-width:26px;align-self:flex-start;margin-top:23px;color:transparent;}
.band-paper .farrow svg{display:none;}
.band-paper .farrow::before{content:'';display:block;width:100%;border-top:2px dashed rgba(62,108,147,.45);}
.band-paper .fnode .fic{width:52px;height:52px;background:#fff;box-shadow:0 4px 14px rgba(33,43,58,.1);}
.band-paper .flow-note{margin-top:18px;text-align:left;border-left:4px solid var(--accent-deep);padding-left:16px;}
/* Needs: ruled checklist, no cards */
.band-paper .needs{gap:0;}
.band-paper .needs .need{background:transparent;border:0;border-top:1px solid rgba(33,43,58,.16);border-radius:0;box-shadow:none;padding:15px 4px;}
.band-paper .needs .need:last-child{border-bottom:1px solid rgba(33,43,58,.16);}
/* Watch-outs: numbered placards */
.band-paper .alerts{counter-reset:wo;gap:0;}
.band-paper .alerts .alert{background:transparent;border:0;border-left:4px solid #A85050;border-radius:0;box-shadow:none;padding:8px 0 8px 20px;margin-bottom:24px;align-items:flex-start;}
.band-paper .alerts .alert .ic{display:none;}
.band-paper .alerts .alert::before{counter-increment:wo;content:counter(wo,decimal-leading-zero);font-family:var(--font-display);font-size:2.4rem;line-height:.9;color:rgba(168,80,80,.5);flex:0 0 auto;min-width:52px;}
/* Next plays: punched tickets */
.band-paper a.next-card{border-radius:6px;overflow:visible;}
.band-paper a.next-card::before,.band-paper a.next-card::after{content:'';display:block;position:absolute;width:20px;height:20px;border-radius:50%;background:#F3EDE2;border:1px solid rgba(33,43,58,.1);top:50%;transform:translateY(-50%);}
.band-paper a.next-card::before{left:-11px;border-left-color:transparent;}
.band-paper a.next-card::after{right:-11px;border-right-color:transparent;}
.band-paper .next-kicker{border-bottom:1px dashed rgba(33,43,58,.2);padding-bottom:8px;margin-bottom:6px;}