@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/space-grotesk-400.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/space-grotesk-500.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/space-grotesk-600.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/space-grotesk-700.woff2') format('woff2')}
:root{
  --bg:#07080F;--bg2:#0E1020;--card:#121429;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --text:#F4F6FF;--body:#C9CDE6;--dim:#9AA0C3;--cyan:#38E8FF;--violet:#8B5CFF;--green:#2EF2A0;--amber:#FFC23D;--red:#FF4D6D;
  --grad:linear-gradient(135deg,#8B5CFF,#38E8FF);--r:18px;--maxw:1140px;
  --font:'Space Grotesk',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--body);font-size:17px;line-height:1.7;overflow-x:hidden}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-underline-offset:3px}
a:hover{color:#8ff3ff}
h1,h2,h3{color:var(--text);line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:2rem;margin-bottom:12px}
h3{font-size:1.15rem}
code{font-size:.9em;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.wrap.narrow,.wrap-narrow{max-width:780px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.sub{color:var(--dim);max-width:640px;margin:0 0 36px;font-size:1.05rem}
.sub.center{margin-left:auto;margin-right:auto}
.small{font-size:.9rem;color:var(--dim)}
.eyebrow{color:var(--cyan);font-weight:600;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.skip{position:absolute;left:-9999px;top:0;background:var(--text);color:var(--bg);padding:10px 16px;z-index:200}
.skip:focus{left:10px;top:10px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#07080F !important;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:0;font:inherit;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 6px 24px rgba(56,232,255,.18)}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(56,232,255,.3)}
.btn .play-ico{background:#07080F;border-radius:50%;padding:3px;width:22px;height:22px}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--text) !important;border:1px solid var(--line2);box-shadow:none}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:none}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(7,8,15,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;padding:10px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;font-size:1.05rem}
.brand img{border-radius:9px}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a:not(.btn){color:var(--body);text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:not(.btn):hover{color:var(--text)}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 64px;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-vid{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(1.1)}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 20%,rgba(139,92,255,.28),transparent 55%),linear-gradient(90deg,var(--bg) 18%,rgba(7,8,15,.55) 60%,rgba(7,8,15,.7)),linear-gradient(0deg,var(--bg),transparent 30%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);line-height:1.04;margin-bottom:20px;background:linear-gradient(90deg,#fff 40%,#9feeff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.18rem;color:var(--body);max-width:580px;margin-bottom:28px}
.store-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.store-cta img{height:60px;width:auto}
.ghost{color:var(--body);font-weight:500}
.trust{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:26px;list-style:none;font-size:.92rem;color:var(--text);font-weight:500}
.trust li::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);margin-right:8px;vertical-align:middle}
.hero-phone img{max-width:300px;margin:0 auto;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6)) drop-shadow(0 0 40px rgba(56,232,255,.15))}

/* sections */
section{padding:72px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.two p{margin-bottom:14px}

/* level scale */
.levels{list-style:none;display:grid;gap:7px}
.levels li{display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;column-gap:12px;align-items:center}
.lv-db{grid-row:1/3;font-weight:700;color:var(--c);font-size:1.05rem;text-align:right}
.lv-bar{height:6px;border-radius:6px;background:var(--c);box-shadow:0 0 12px color-mix(in srgb,var(--c) 50%,transparent)}
.lv-txt{font-size:.86rem;color:var(--dim);line-height:1.4}
.lv-txt strong{color:var(--text);font-weight:600;margin-right:4px}

/* features */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.feat .ico{color:var(--cyan);margin-bottom:14px}
.feat h3{margin-bottom:8px}
.feat p{font-size:.95rem;color:var(--dim);flex:1;margin-bottom:14px}
.feat a{font-weight:600;font-size:.92rem;text-decoration:none}

/* screenshots */
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.shots figure{text-align:center}
.shots img{border-radius:18px;border:1px solid var(--line);margin-bottom:12px}
.shots figcaption{font-size:.88rem;color:var(--dim)}

/* use cases */
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.use{position:relative;display:block;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);text-decoration:none;aspect-ratio:3/4;background:var(--card)}
.use .vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75;transition:opacity .2s,transform .4s}
.use:hover .vid{opacity:.95;transform:scale(1.03)}
.use::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,8,15,.96) 30%,rgba(7,8,15,.1) 75%)}
.use-txt{position:absolute;z-index:1;left:0;right:0;bottom:0;padding:18px;color:var(--dim);font-size:.9rem;line-height:1.5}
.use-txt strong{display:block;color:var(--text);font-size:1.08rem;margin-bottom:4px}

.privacy-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;position:relative;overflow:hidden}
.privacy-card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.5}
.privacy-card .ico{color:var(--green);width:36px;height:36px;margin-bottom:12px}
.privacy-card h3{font-size:1.4rem;margin-bottom:10px}

/* guide cards */
.gcards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .15s,border-color .15s}
.gcard:hover{transform:translateY(-3px);border-color:var(--line2)}
.gcard img{aspect-ratio:16/7;object-fit:cover;width:100%;object-position:30% 50%}
.gcat{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);padding:16px 20px 0}
.gcard h3,.gcard h2{font-size:1.08rem;padding:6px 20px 0;color:var(--text)}
.gcard p{font-size:.9rem;color:var(--dim);padding:6px 20px 20px;line-height:1.55}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;color:var(--text);padding:18px 52px 18px 22px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:14px;font-size:1.4rem;color:var(--cyan)}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 18px;color:var(--dim)}

.cta-band{text-align:center;padding:80px 20px;background:radial-gradient(ellipse at 50% 0,rgba(56,232,255,.18),transparent 60%),radial-gradient(ellipse at 50% 100%,rgba(139,92,255,.2),transparent 60%),var(--bg)}
.cta-band h2{font-size:clamp(1.7rem,4vw,2.4rem)}
.cta-band p{color:var(--dim);margin:8px auto 28px}
.cta-band img{margin:0 auto;height:64px;width:auto}

/* article */
.article-head,.page-head{padding:48px 0 28px;background:radial-gradient(ellipse at 10% 0,rgba(139,92,255,.16),transparent 55%)}
.article-head h1,.page-head h1{font-size:clamp(1.9rem,4.4vw,2.8rem);margin:10px 0 14px}
.crumbs{font-size:.85rem;color:var(--dim)}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--cyan)}
.byline{font-size:.88rem;color:var(--dim)}
.byline a{color:var(--body)}
.article-hero{max-width:1240px;margin:0 auto;padding:0 20px;position:relative}
.article-hero img{width:100%;aspect-ratio:16/6;object-fit:cover;border-radius:22px;border:1px solid var(--line)}
.article-hero figcaption{font-size:.72rem;color:var(--dim);text-align:right;margin-top:6px}
.article-hero figcaption a{color:var(--dim)}
.prose{max-width:780px;margin:0 auto;padding:36px 20px 20px}
.prose.page{padding-top:56px}
.prose h1{font-size:2.2rem;margin-bottom:16px}
.prose h2{font-size:1.6rem;margin:44px 0 14px;scroll-margin-top:80px}
.prose h3{font-size:1.2rem;margin:30px 0 10px;scroll-margin-top:80px}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 20px 22px}
.prose li{margin-bottom:8px;padding-left:4px}
.prose li::marker{color:var(--cyan)}
.prose strong{color:var(--text);font-weight:600}
.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:28px}
.toc p{font-weight:600;color:var(--text);margin-bottom:6px;font-size:.95rem}
.toc ol{margin:0 0 0 20px;font-size:.93rem}
.toc li{margin-bottom:4px}
.toc a{text-decoration:none;color:var(--body)}
.toc a:hover{color:var(--cyan)}
.note{font-size:.93rem;color:var(--dim);border-left:3px solid var(--violet);background:rgba(139,92,255,.07);padding:14px 18px;border-radius:0 12px 12px 0}
.table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--text);background:var(--card);font-weight:600}
tr:last-child td{border-bottom:0}
td:first-child{white-space:nowrap}
.app-box{display:flex;gap:20px;align-items:flex-start;background:linear-gradient(135deg,rgba(139,92,255,.14),rgba(56,232,255,.08));border:1px solid var(--line2);border-radius:var(--r);padding:26px;margin:36px 0}
.app-box .appicon{border-radius:16px;flex:none}
.app-box-title{font-weight:700;color:var(--text);font-size:1.15rem;margin-bottom:6px !important}
.app-box p{color:var(--body);font-size:.95rem;margin-bottom:16px}
.prose .levels{margin:8px 0 26px}
.fig-video,.fig-shot{margin:28px 0}
.fig-video video{border-radius:16px;width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line)}
.fig-shot img{max-width:280px;margin:0 auto}
figcaption{font-size:.85rem;color:var(--dim);text-align:center;margin-top:8px}
.tool-link{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:.95rem}
.related{margin-top:24px;border-top:1px solid var(--line);padding:40px 0 0}
.related h2{font-size:1.4rem;margin-bottom:20px}
.related .gcards{grid-template-columns:repeat(3,1fr)}
.back{margin:32px 0 64px}
.credit-line{font-size:.75rem;color:var(--dim);margin-bottom:40px}
.credit-line a{color:var(--dim)}

/* guides hub */
.hub-latest{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;max-width:720px}
.hub-latest ul{list-style:none}
.hub-latest li{display:flex;justify-content:space-between;gap:16px;padding:5px 0;font-size:.95rem}
.hub-latest time{color:var(--dim);white-space:nowrap;font-size:.85rem}
.hub-cat{padding:40px 0 16px;scroll-margin-top:70px}
.hub-cat .sub{margin-bottom:22px}
.hub{padding-bottom:64px}
.fh{color:var(--text);font-weight:600;margin-bottom:10px}

/* online meter */
.tool-head{padding-bottom:12px}
.meter,.calc{background:var(--card);border:1px solid var(--line2);border-radius:24px;padding:28px;margin:12px 0 8px}
.meter-gauge{position:relative;max-width:360px;margin:0 auto}
.gauge{width:100%}
.g-track,.g-fill{fill:none;stroke-width:14;stroke-linecap:round}
.g-track{stroke:rgba(255,255,255,.07)}
.g-fill{stroke:url(#gg);transition:stroke-dasharray .08s linear}
.meter-read{position:absolute;left:0;right:0;bottom:6px;text-align:center}
.meter-read output{display:block;font-size:3.4rem;font-weight:700;color:var(--text);line-height:1;font-variant-numeric:tabular-nums}
.unit{color:var(--dim);font-size:.9rem}
.m-label{display:block;font-weight:600;color:var(--green);font-size:.95rem;margin-top:4px;min-height:1.5em}
.meter-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0 16px;text-align:center}
.meter-stats div{background:var(--bg2);border-radius:12px;padding:10px 6px}
.meter-stats span{display:block;font-size:.75rem;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.meter-stats strong{color:var(--text);font-size:1.25rem;font-variant-numeric:tabular-nums}
.meter-chart{width:100%;height:120px;background:var(--bg2);border-radius:12px}
.meter-controls{display:flex;gap:12px;justify-content:center;margin:20px 0 6px;flex-wrap:wrap}
.meter-cal{margin-top:12px;font-size:.92rem;color:var(--dim)}
.meter-cal summary{cursor:pointer;color:var(--body)}
.meter-cal p{margin:8px 0}
.cal-row{display:flex;gap:8px;flex-wrap:wrap}
.meter-msg{color:var(--amber);font-size:.92rem;margin-top:10px;min-height:1px}
.meter-note{font-size:.82rem;color:var(--dim);margin-top:10px}

/* calculator */
.calc-std{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.calc-std label{flex:1;min-width:200px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;color:var(--text);font-weight:600}
.calc-std label:has(input:checked){border-color:var(--cyan)}
.calc-std small{display:block;color:var(--dim);font-weight:400}
.calc-std input{accent-color:var(--cyan);margin-right:6px}
.calc-row{display:grid;grid-template-columns:1.6fr .7fr .55fr .55fr auto;gap:8px;margin-bottom:10px;align-items:end}
.calc-row label{font-size:.75rem;color:var(--dim);display:block}
.calc-row input{width:100%;background:var(--bg2);border:1px solid var(--line2);border-radius:10px;color:var(--text);font:inherit;padding:9px 10px;margin-top:3px}
.calc-row .rm{background:none;border:1px solid var(--line2);color:var(--dim);border-radius:10px;width:40px;height:43px;cursor:pointer;font-size:1.2rem}
.calc-out{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.calc-out>div{background:var(--bg2);border-radius:14px;padding:14px 16px}
.calc-out span{display:block;font-size:.8rem;color:var(--dim)}
.calc-out strong{font-size:1.8rem;color:var(--text)}
.c-verdict{grid-column:1/-1;font-weight:600;color:var(--text)}
.c-verdict.ok{border-left:4px solid var(--green)}
.c-verdict.warn{border-left:4px solid var(--amber)}
.c-verdict.bad{border-left:4px solid var(--red)}

/* footer */
.foot{background:#05060B;border-top:1px solid var(--line);padding:56px 0 30px;font-size:.92rem;color:var(--dim)}
.foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.foot a{display:block;color:var(--dim);text-decoration:none;margin-bottom:8px}
.foot a:hover{color:var(--text)}
.brandf{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;margin-bottom:12px}
.brandf img{border-radius:8px}
.footer-badge{margin-top:16px;width:162px}
.fine{max-width:var(--maxw);margin:36px auto 0;padding:20px 20px 0;border-top:1px solid var(--line);font-size:.8rem;line-height:1.6}

/* get-the-app prompt: modal on desktop, small bar on phones (no intrusive interstitials) */
.dl-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:rgba(3,4,10,.7);padding:16px}
.dl-modal[hidden],.dl-bar[hidden]{display:none}
.dl-card{position:relative;width:100%;max-width:340px;background:var(--card);border:1px solid var(--line2);border-radius:22px;padding:28px 24px;text-align:center}
.dl-icon{margin:0 auto 12px;border-radius:14px}
.dl-title{font-weight:700;color:var(--text);font-size:1.25rem}
.dl-text{color:var(--dim);font-size:.92rem;margin:4px 0 14px}
.dl-qr{margin:0 auto 14px;border-radius:12px;background:#fff;padding:6px}
.dl-badge img{margin:0 auto;width:162px}
.dl-close{position:absolute;right:10px;top:8px;width:36px;height:36px;border:0;background:none;border-radius:50%;font-size:1.5rem;line-height:1;color:var(--dim);cursor:pointer}
.dl-close:hover{background:var(--bg2);color:var(--text)}
.dl-bar{position:fixed;left:10px;right:10px;bottom:10px;z-index:90;display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line2);border-radius:16px;padding:8px 8px 8px 10px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.dl-bar img{border-radius:9px}
.dl-bar span{flex:1;font-size:.82rem;line-height:1.3;color:var(--dim)}
.dl-bar strong{display:block;color:var(--text)}
.dl-bar .dl-close{position:static;flex:none}

@media (max-width:960px){
  .feats,.gcards,.related .gcards{grid-template-columns:repeat(2,1fr)}
  .uses,.shots{grid-template-columns:repeat(2,1fr)}
  .two{grid-template-columns:1fr;gap:32px}
}
@media (max-width:720px){
  body{font-size:16.5px}
  .hero{padding:40px 0 48px}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .lead{margin-left:auto;margin-right:auto}
  .store-cta,.trust{justify-content:center}
  .hero-phone img{max-width:230px}
  .hero-bg::after{background:linear-gradient(0deg,var(--bg) 10%,rgba(7,8,15,.75))}
  .feats,.gcards,.related .gcards{grid-template-columns:1fr}
  .nav-links a:not(.btn){display:none}
  section{padding:52px 0}
  h2{font-size:1.6rem}
  .foot .cols{grid-template-columns:1fr}
  .article-hero{padding:0}
  .article-hero img{border-radius:0;border-left:0;border-right:0}
  .article-hero figcaption{padding:0 12px}
  .app-box{flex-direction:column}
  .meter,.calc{padding:20px 16px}
  .meter-stats{grid-template-columns:repeat(2,1fr)}
  .calc-row{grid-template-columns:1.2fr 1fr 1fr auto;padding-bottom:10px;border-bottom:1px solid var(--line)}
  .calc-row .c-name{grid-column:1/-1}
  .calc-out{grid-template-columns:1fr}
  .hub-latest li{flex-direction:column;gap:0}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto !important;transition:none !important}}