/* ============================================================
   ScaleFlare — shared design system (product pages)
   Dark theme + acid-lime. Matches home page (index.html).
   ============================================================ */
:root{
  --bg:#0E1117;--bg-2:#0F121A;--panel:#141922;--panel-2:#1A2130;--raised:#1E2434;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --ink:#F2F4F5;--ink-2:#B5BFC2;--ink-3:#8A9299;--ink-4:#5A6068;
  --lime:#CFFF05;--lime-dim:#B8E600;--lime-ink:#0E1117;--violet:#8B5CF6;
  --danger:#FF5A5A;--good:#4ADE80;
  --maxw:1200px;--r:14px;--r-lg:22px;--r-sm:10px;
  --shadow:0 30px 80px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'Space Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Sora',sans-serif;font-weight:800;line-height:1.04;letter-spacing:-.02em;margin:0;text-wrap:balance}
h1{font-size:clamp(34px,4.6vw,58px)}
h2{font-size:clamp(28px,4vw,48px)}
h3{font-size:clamp(19px,2.3vw,25px);letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--lime);color:var(--lime-ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.lime{color:var(--lime)}
.hot{color:var(--danger)}
.serif{font-family:'Playfair Display',serif;font-style:italic;font-weight:600}
.mono{font-family:'JetBrains Mono',monospace}

.tag{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-weight:500;
  font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--lime);
  padding:7px 13px;border:1px solid var(--line-2);border-radius:100px;background:rgba(207,255,5,.04)}
.tag .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
.tag.muted{color:var(--ink-3)}.tag.muted .dot{background:var(--ink-3);box-shadow:none}
.lead{font-size:clamp(16px,1.9vw,19px);color:var(--ink-2);line-height:1.6;max-width:56ch}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Space Grotesk',sans-serif;
  font-weight:700;font-size:16px;padding:15px 26px;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:var(--lime-ink);box-shadow:0 10px 30px rgba(207,255,5,.22)}
.btn-primary:hover{background:#dbff33;box-shadow:0 14px 40px rgba(207,255,5,.34);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink-3);background:rgba(255,255,255,.03)}
.btn-arrow{transition:transform .2s ease}.btn:hover .btn-arrow{transform:translateX(3px)}

/* statusbar + nav */
.statusbar{border-bottom:1px solid var(--line);font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-3);letter-spacing:.02em}
.statusbar .wrap{display:flex;align-items:center;gap:10px;min-height:38px;padding:8px 26px;justify-content:center;text-align:center}
.statusbar .live{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 9px var(--good);animation:blink 2s infinite;flex:none}
.statusbar b{color:var(--ink-2);font-weight:500}
@keyframes blink{50%{opacity:.35}}
.nav{position:sticky;top:0;z-index:80;background:rgba(14,17,23,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Sora',sans-serif;font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand .mark{width:28px;height:28px;border-radius:8px;flex:none;position:relative;background:linear-gradient(150deg,var(--lime),#a3cc00);box-shadow:0 0 22px rgba(207,255,5,.35)}
.brand .mark::after{content:"";position:absolute;inset:7px;border-radius:4px;background:var(--bg);clip-path:polygon(52% 0,52% 46%,100% 46%,48% 100%,48% 54%,0 54%)}
.navlinks{display:flex;align-items:center;gap:26px}
.navlinks a{color:var(--ink-2);font-size:15px;font-weight:500;transition:color .18s}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:8px}
.mobile-cta{display:none}

/* sections */
.sec{padding:clamp(60px,8vw,100px) 0;position:relative}
.sec-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px}
.sec-head .tag{margin-bottom:18px}
.sec-head h2 .serif{color:var(--lime)}
.sec-head p{margin-top:16px}

/* ============ PRODUCT HERO (text left · illustration right, fits above fold) ============ */
.phero{position:relative;overflow:hidden;padding:clamp(18px,2.6vw,34px) 0 clamp(22px,3vw,40px)}
.phero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(680px 420px at 82% 6%,rgba(207,255,5,.11),transparent 60%),
             radial-gradient(560px 460px at 4% 92%,rgba(139,92,246,.13),transparent 62%)}
.phero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:center;min-height:calc(100vh - 200px)}
.phero-copy{max-width:520px}
.phero h1{margin:16px 0 0}
.phero .lead{margin:16px 0 0}
.phero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.phero-proof{display:flex;flex-wrap:wrap;gap:16px 26px;margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}
.phero-proof .pf{display:flex;flex-direction:column;gap:2px}
.phero-proof .pf b{font-family:'Sora',sans-serif;font-size:22px;font-weight:800;color:var(--ink)}
.phero-proof .pf span{font-size:12px;color:var(--ink-3);font-family:'JetBrains Mono',monospace}

/* illustration column: mockup on top, compact stat strip beneath */
.viz-stack{display:flex;flex-direction:column;gap:14px;min-width:0}
.viz-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gstat{border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:var(--panel);min-width:0}
.gstat .gk{font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.02em;color:var(--ink-3);text-transform:uppercase;display:block;margin-bottom:7px;line-height:1.3;min-height:24px}
.gstat .grow{display:flex;align-items:baseline;justify-content:space-between;gap:6px}
.gstat .gv{font-family:'Sora',sans-serif;font-weight:800;font-size:22px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.gstat .gd{font-family:'JetBrains Mono',monospace;font-size:10px;padding:3px 6px;border-radius:100px;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;color:var(--good);background:rgba(74,222,128,.1);opacity:0;transition:opacity .5s ease}
.gstat.run .gd{opacity:1}
.gstat .gbar{height:4px;border-radius:100px;background:rgba(255,255,255,.06);margin-top:10px;overflow:hidden}
.gstat .gbar i{display:block;height:100%;width:0;border-radius:100px;background:linear-gradient(90deg,var(--lime),var(--good));transition:width 1.5s cubic-bezier(.2,.7,.2,1)}
.gstat.run .gbar i{width:var(--w,90%)}

/* generic device / console frame for visualizations */
.viz-card{background:linear-gradient(180deg,var(--panel-2),var(--bg-2));border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden}
.viz-top{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.viz-top .dots{display:flex;gap:6px}
.viz-top .dots i{width:10px;height:10px;border-radius:50%;background:#2b303b}
.viz-top .title{margin-left:6px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-3)}
.viz-top .badge{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.04em;color:var(--ink-3);border:1px solid var(--line-2);padding:3px 10px;border-radius:100px;display:inline-flex;align-items:center;gap:7px;transition:color .3s ease}
.viz-top .badge i{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}
.viz-top .badge.running{color:var(--lime);animation:badgepulse 1.6s ease-in-out infinite}
.viz-top .badge.done{color:var(--good)}
@keyframes badgepulse{50%{opacity:.5}}
.viz-note{margin-top:6px;font-size:10.5px;line-height:1.5;color:var(--ink-4)}

/* disclaimer under demos */
.demo-note{margin-top:16px;font-size:11px;line-height:1.55;color:var(--ink-4);max-width:80ch}

/* generic value pills used inside mockups */
.spin{width:14px;height:14px;border-radius:50%;border:2px solid rgba(207,255,5,.25);border-top-color:var(--lime);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ INLINE CALCULATOR SECTION (on product pages) ============ */
.calc-inline{max-width:760px;margin:44px auto 0;border:1px solid var(--line-2);border-radius:20px;overflow:hidden;background:linear-gradient(180deg,var(--panel-2),var(--bg-2))}
.calc-inline .ci-body{padding:26px 28px 8px}
.calc-inline .ci-foot{padding:18px 28px 24px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.calc-inline .ci-foot .btn{width:100%}

/* calculator shared field + result styles (used by modal + inline) */
.calc-field{margin-bottom:22px}
.calc-field .fl{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:11px}
.calc-field .fl label{font-size:14px;color:var(--ink-2);font-weight:500}
.calc-field .fl .fv{font-family:'Sora',sans-serif;font-weight:800;font-size:18px;color:var(--lime);font-variant-numeric:tabular-nums;white-space:nowrap}
.crange{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:100px;background:var(--raised);accent-color:var(--lime);cursor:pointer;outline:none}
.crange::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--lime);border:3px solid var(--bg-2);box-shadow:0 0 0 1px var(--lime),0 2px 8px rgba(207,255,5,.4);cursor:pointer}
.crange::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--lime);border:3px solid var(--bg-2);box-shadow:0 0 0 1px var(--lime);cursor:pointer}
.calc-assume{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-4);margin:-6px 0 20px;line-height:1.5}
.calc-result{padding:22px;border:1px solid rgba(255,90,90,.32);border-radius:14px;background:rgba(255,90,90,.06);text-align:center}
.calc-result .rk{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--danger)}
.calc-result .rv{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(34px,7vw,48px);color:var(--danger);line-height:1;margin:9px 0 4px;font-variant-numeric:tabular-nums}
.calc-result .rv small{font-size:17px;color:var(--ink-3);font-weight:600}
.calc-result .ry{font-size:13px;color:var(--ink-3)}
.calc-result .rbreak{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--ink-4);margin-top:12px;line-height:1.5}
.calc-payback{margin-top:14px;padding:16px 18px;border:1px solid rgba(207,255,5,.3);border-radius:14px;background:rgba(207,255,5,.055)}
.calc-payback .pb-big{font-family:'Sora',sans-serif;font-weight:700;font-size:15.5px;line-height:1.35;color:var(--ink)}
.calc-payback .pb-big b{color:var(--lime)}
.calc-payback .pb-note{font-size:12.5px;color:var(--ink-3);margin-top:8px;line-height:1.55}
.calc-payback .pb-note b{color:var(--ink);font-weight:600}
.calc-note{font-size:10.5px;color:var(--ink-4);text-align:center;line-height:1.5}

/* modal (home page style, in case a product page also opens modal) */
dialog.calc{border:0;padding:0;background:transparent;max-width:540px;width:calc(100% - 32px);color:var(--ink);margin:auto}
dialog.calc::backdrop{background:rgba(6,8,12,.74);backdrop-filter:blur(5px)}
dialog.calc[open]{animation:calcin .28s cubic-bezier(.2,.7,.2,1)}
@keyframes calcin{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.calc-card{background:linear-gradient(180deg,var(--panel-2),var(--bg-2));border:1px solid var(--line-2);border-radius:20px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.6)}
.calc-head{padding:24px 26px 18px;border-bottom:1px solid var(--line);position:relative}
.calc-head h3{font-size:22px;margin:15px 0 8px;padding-right:34px}
.calc-head p{color:var(--ink-3);font-size:14px;line-height:1.5}
.calc-close{position:absolute;top:18px;right:18px;background:none;border:0;color:var(--ink-3);cursor:pointer;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;transition:background .2s,color .2s}
.calc-close:hover{background:rgba(255,255,255,.07);color:var(--ink)}
.calc-close svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none}
.calc-body{padding:22px 26px 6px}
.calc-foot{padding:18px 26px 22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:13px}
.calc-foot .btn{width:100%}

/* CTA band */
.cta{padding:clamp(60px,8vw,110px) 0}
.cta-box{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--lime),#a8d600);border-radius:28px;padding:clamp(38px,6vw,68px);color:var(--lime-ink);text-align:center}
.cta-box::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 80% 120%,rgba(14,17,23,.18),transparent 60%);pointer-events:none}
.cta-box .in{position:relative;z-index:1}
.cta-box .tag{color:var(--lime-ink);border-color:rgba(14,17,23,.25);background:rgba(14,17,23,.06)}
.cta-box .tag .dot{background:var(--lime-ink);box-shadow:none}
.cta-box h2{color:var(--lime-ink);margin:20px auto 0;max-width:18ch}
.cta-box p{color:rgba(14,17,23,.72);margin:16px auto 0;max-width:52ch;font-size:17px;font-weight:500}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.btn-dark{background:var(--bg);color:var(--ink);box-shadow:0 12px 30px rgba(14,17,23,.3)}
.btn-dark:hover{background:#161b24;transform:translateY(-2px)}
.btn-outline-dark{background:transparent;color:var(--lime-ink);border-color:rgba(14,17,23,.35)}
.btn-outline-dark:hover{background:rgba(14,17,23,.06)}

/* feature grid + steps (reused across product pages) */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
.fcard{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;background:var(--panel);transition:border-color .2s,transform .2s}
.fcard:hover{border-color:var(--line-2);transform:translateY(-3px)}
.fcard .ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;background:rgba(207,255,5,.08);border:1px solid var(--line-2);margin-bottom:18px}
.fcard .ic svg{width:22px;height:22px;stroke:var(--lime);fill:none;stroke-width:1.7}
.fcard h3{font-size:19px;margin-bottom:9px}
.fcard p{color:var(--ink-3);font-size:15px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:46px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--panel)}
.step{padding:30px 28px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step .num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--lime);letter-spacing:.1em}
.step h3{font-size:18px;margin:18px 0 10px}
.step p{color:var(--ink-3);font-size:14.5px}
.step .bar{position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--lime),transparent)}

/* FAQ (product pages) */
.faq-list{max-width:760px;margin:44px auto 0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;color:var(--ink);cursor:pointer;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;font-family:'Sora',sans-serif;font-weight:700;font-size:clamp(16px,1.9vw,20px);letter-spacing:-.01em}
.faq-q .pm{width:24px;height:24px;flex:none;position:relative;transition:transform .3s}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--lime);border-radius:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-q .pm::before{width:13px;height:2px}
.faq-q .pm::after{width:2px;height:13px;transition:transform .3s}
.faq-item.open .pm::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{color:var(--ink-3);font-size:15px;padding:0 4px 22px;max-width:75ch;line-height:1.6}

/* footer */
.foot{border-top:1px solid var(--line);padding:56px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot .brand{margin-bottom:16px}
.foot-about{color:var(--ink-3);font-size:14px;max-width:34ch}
.foot h4{font-family:'JetBrains Mono',monospace;font-weight:500;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);margin-bottom:15px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot ul a{color:var(--ink-2);font-size:14px}
.foot ul a:hover{color:var(--lime)}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.foot-bottom p{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--ink-4)}
.foot-bottom .st{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-3)}
.foot-bottom .st i{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 8px var(--good)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1040px){
  .phero .wrap{grid-template-columns:1fr;gap:34px;min-height:0}
  .phero-copy{max-width:none}
  .fgrid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .navlinks{display:none}
  .desktop-cta{display:none}
  .burger{display:block}
  .navlinks.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:22px 26px 26px;gap:6px;box-shadow:var(--shadow)}
  .navlinks.open a:not(.btn){padding:12px 2px;font-size:17px;border-bottom:1px solid var(--line)}
  .navlinks.open .mobile-cta{display:inline-flex;width:100%;justify-content:center;margin-top:10px}
  .viz-stats{grid-template-columns:1fr 1fr}
  .fgrid,.foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
}