/* fonts are served from this site (no Google Fonts, no third-party requests) */
@font-face{font-family:"Outfit";font-style:normal;font-weight:200;font-display:swap;src:url("../fonts/outfit-latin-200-normal.woff2") format("woff2")}
@font-face{font-family:"Outfit";font-style:normal;font-weight:300;font-display:swap;src:url("../fonts/outfit-latin-300-normal.woff2") format("woff2")}
@font-face{font-family:"Outfit";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/outfit-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Outfit";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/outfit-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:300;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-300-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:300;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-300-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2")}

/* base reset */
html{color-scheme:light}
img{max-width:100%;height:auto}
[hidden]{display:none!important}

/* Layout: white lab bench. Narrow text column on the left of the hero, the animated "seal" on the right,
   then one full-bleed horizontal band reserved for the application screenshot, then quiet sections on a 1120px grid. */
:root{
  --bg:#ffffff;            /* paper */
  --bg-2:#f5f7fa;          /* cool bench grey */
  --ink:#10151d;           /* evidence ink */
  --ink-2:#4b5563;         /* captions */
  --line:#e3e8ef;          /* hairline */
  --blue:#1d5fd0;          /* seal blue (app icon) */
  --blue-soft:#e8f0fd;
  --green:#15803d;         /* protected */
  --red:#c2410c;           /* blocked write */
  --f-display:"Outfit",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-weight:300;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--f-display);font-weight:200;letter-spacing:-.01em;line-height:1.1;margin:0;text-wrap:balance}
h1{font-size:clamp(2.4rem,5.2vw,4.4rem)}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
h3{font-size:1.25rem;font-weight:300}
p{margin:0}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--f-mono);font-weight:400;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue)}
.lede{color:var(--ink-2);font-size:1.1rem;max-width:34em}
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-display);font-weight:400;font-size:.95rem;letter-spacing:.02em;padding:.85rem 1.4rem;border-radius:4px;text-decoration:none;border:1px solid var(--ink);transition:background .2s,color .2s,transform .2s}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:var(--blue);border-color:var(--blue)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--bg-2)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* nav */
nav{position:-webkit-sticky;position:sticky;top:0;top:env(safe-area-inset-top,0px);z-index:20;background:#fff;border-bottom:1px solid var(--line)}
@supports((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){nav{background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}
body::before{content:"";position:fixed;top:0;left:0;right:0;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand .mark{width:30px;height:30px}
.brand .name{font-family:var(--f-display);font-weight:400;font-size:1rem;letter-spacing:.04em}
.brand .name small{display:block;font-family:var(--f-mono);font-weight:300;font-size:.6rem;letter-spacing:.16em;color:var(--ink-2);text-transform:uppercase;margin-top:1px}
nav ul{display:flex;gap:1.8rem;list-style:none;margin:0;padding:0}
nav ul a{text-decoration:none;font-size:.9rem;color:var(--ink-2)}
nav ul a:hover{color:var(--ink)}
@media(max-width:760px){nav ul{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 85% 20%,var(--blue-soft),transparent 60%),var(--bg)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:3rem;align-items:center;padding-block:5rem 4rem}
.hero-copy{display:grid;gap:1.6rem}
.hero-copy h1 em{font-style:normal;font-weight:400;color:var(--blue)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.2rem 2rem;font-family:var(--f-mono);font-size:.75rem;color:var(--ink-2);letter-spacing:.04em}
.hero-meta span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:.6rem;vertical-align:middle}
.seal{position:relative;width:100%;max-width:560px;margin-left:auto;margin-right:auto;aspect-ratio:1/1}
@supports not (aspect-ratio:1/1){.seal{height:0;padding-bottom:100%}.seal svg{position:absolute;top:0;left:0}}
.seal svg{width:100%;height:100%;display:block;overflow:visible}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:3.5rem 2.5rem}.seal{max-width:420px}}

/* hero animation */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinr{to{transform:rotate(-360deg)}}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes sweep{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}
@keyframes inbound{0%{opacity:0;transform:translate(var(--sx),var(--sy)) scale(.6)}15%{opacity:1}70%{opacity:1;transform:translate(var(--ex),var(--ey)) scale(1)}78%{opacity:1;transform:translate(var(--ex),var(--ey)) scale(1.9)}100%{opacity:0;transform:translate(var(--ex),var(--ey)) scale(2.4)}}
@keyframes outbound{0%{opacity:0;transform:translate(0,0)}10%{opacity:1}90%{opacity:.9}100%{opacity:0;transform:translate(var(--sx),var(--sy))}}
@keyframes ringflash{0%,100%{stroke-opacity:.35}6%{stroke-opacity:1}}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
.g-center{transform-origin:280px 280px}
.ring-a{animation:spin 48s linear infinite}
.ring-b{animation:spinr 70s linear infinite}
.sweep{animation:sweep 6s linear infinite}
.shield{animation:ringflash 2.4s ease-in-out infinite}
.disk{animation:breathe 7s ease-in-out infinite}
.dot{animation:pulse 2.2s ease-in-out infinite}
.pkt{transform-box:fill-box;transform-origin:center}
.pkt.in{animation:inbound 2.4s cubic-bezier(.4,0,.7,1) infinite}
.pkt.out{animation:outbound 2.6s linear infinite}
.hash text{font-family:var(--f-mono);font-size:9.5px;fill:var(--ink-2);letter-spacing:.08em}
.hud{font-family:var(--f-mono);font-size:9px;fill:var(--ink-2);letter-spacing:.14em}
@media(prefers-reduced-motion:reduce){.seal:not(.flow) *{animation:none!important}}

/* screenshot band */
.shot{background:var(--bg-2);border-block:1px solid var(--line)}
.shot .wrap{padding-block:3.5rem}
.shot-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap;margin-bottom:1.4rem}
.frame{position:relative;width:100%;aspect-ratio:21/9;max-width:100%;border:1px dashed #b7c2d1;border-radius:8px;background:
  repeating-linear-gradient(45deg,transparent 0 14px,rgba(29,95,208,.04) 14px 15px),#fbfcfe;display:grid;place-items:center;overflow:hidden;-webkit-overflow-scrolling:touch}
@supports not (aspect-ratio:1/1){.frame{height:0;padding-bottom:42.85%;display:block}.frame .label{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%)}}
.frame .chrome{position:absolute;top:0;left:0;right:0;height:34px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;gap:6px;padding-left:12px}
.frame .chrome i{width:9px;height:9px;border-radius:50%;background:#d7dee8;display:block}
.frame .label{text-align:center;color:var(--ink-2);font-family:var(--f-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;padding:0 1rem}
.frame .label b{display:block;font-family:var(--f-display);font-weight:300;font-size:1.3rem;letter-spacing:0;text-transform:none;color:var(--ink);margin-bottom:.4rem}
@media(max-width:600px){.frame{aspect-ratio:16/10}}

/* sections */
section.std .wrap{padding-block:5.5rem}
.sec-head{display:grid;gap:.9rem;max-width:40em;margin-bottom:3rem}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem 2rem}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem 3rem}
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid3,.grid2{grid-template-columns:1fr}}
.feat{display:grid;gap:.7rem;min-width:0}
.feat .ic{width:40px;height:40px;color:var(--blue)}
.feat p{color:var(--ink-2);font-size:.98rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.step{padding:1.8rem 1.4rem 1.8rem 0;border-right:1px solid var(--line);min-width:0;display:grid;gap:.6rem;align-content:start}
.step:last-child{border-right:0}
.step .n{font-family:var(--f-mono);font-size:.72rem;color:var(--blue);letter-spacing:.14em}
.step p{color:var(--ink-2);font-size:.95rem}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step{padding-right:1.2rem}}
@media(max-width:560px){.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}}

/* interfaces */
.bus{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.bus div{background:#fff;padding:1.3rem 1.2rem;display:grid;gap:.3rem;min-width:0}
.bus b{font-family:var(--f-display);font-weight:400;font-size:1.05rem}
.bus span{font-size:.82rem;color:var(--ink-2)}
.bus div:hover{background:var(--blue-soft)}

/* spec table */
.spec{width:100%;border-collapse:collapse;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:.9rem 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{font-weight:400;color:var(--ink-2);width:34%;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.spec td{font-weight:300}
.tag{display:inline-block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;padding:.2rem .5rem;border-radius:3px;background:var(--blue-soft);color:var(--blue);margin-right:.4rem;margin-bottom:.3rem}

/* quote band */
.band{background:var(--ink);color:#fff}
.band .wrap{padding-block:4.5rem;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:3rem;align-items:center}
.band h2{color:#fff}
.band p{color:#aab4c3}
.band .eyebrow{color:#7fb0ff}
.band .mono{font-family:var(--f-mono);font-size:.82rem;line-height:1.9;color:#c9d2df;border-left:1px solid #334155;padding-left:1.4rem;min-width:0;overflow-x:auto}
.band .mono .k{color:#7fb0ff}.band .mono .g{color:#4ade80}.band .mono .r{color:#fb923c}
@media(max-width:800px){.band .wrap{grid-template-columns:1fr}}

/* download */
.dl .wrap{padding-block:5.5rem;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:3rem;align-items:start}
.dl .card{border:1px solid var(--line);border-radius:6px;padding:2rem;display:grid;gap:1.1rem;background:#fff}
.dl .card .file{font-family:var(--f-mono);font-size:.82rem;color:var(--ink-2)}
.dl ul{margin:0;padding-left:1.1rem;color:var(--ink-2);font-size:.95rem;display:grid;gap:.4rem}
@media(max-width:800px){.dl .wrap{grid-template-columns:1fr}}

/* faq */
details{border-top:1px solid var(--line);padding:1.1rem 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-family:var(--f-display);font-weight:300;font-size:1.15rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--blue);font-weight:300}
details[open] summary::after{content:"–"}
details p{color:var(--ink-2);margin-top:.7rem;max-width:60em}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg-2)}
footer .wrap{padding-block:3rem;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem;font-size:.9rem;color:var(--ink-2)}
footer h4{font-family:var(--f-mono);font-weight:400;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin:0 0 .8rem}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
footer a{text-decoration:none}
footer a:hover{color:var(--blue)}
.legal{border-top:1px solid var(--line)}
.legal .wrap{padding-block:1.2rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.78rem;color:var(--ink-2)}
@media(max-width:800px){footer .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:480px){footer .wrap{grid-template-columns:1fr}}

/* screenshot image inside the frame */
.frame .shot-img{position:absolute;top:34px;left:0;right:0;bottom:0;width:100%;height:calc(100% - 34px);object-fit:cover;object-position:top left}
.frame.has-shot{border-style:solid;border-color:var(--line);background:#fff}

/* mobile nav */
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;width:40px;height:36px;cursor:pointer;color:var(--ink)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:currentColor;margin:4px auto}
@media(max-width:760px){
  .nav-toggle{display:block}
  nav ul{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:.5rem 16px 1rem}
  nav ul.open{display:flex}
  nav ul a{display:block;padding:.7rem 0;font-size:1rem}
  nav .cta{display:none}
}
.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.reveal.pending{opacity:0;transform:translateY(18px)}
@media(prefers-reduced-motion:reduce){.reveal.pending{opacity:1;transform:none}}

/* ---- tablet (portrait iPad, small laptops) ---- */
@media(min-width:861px) and (max-width:1100px){
  .hero .wrap{gap:2rem;padding-block:4rem 3rem}
  h1{font-size:clamp(2.2rem,4.4vw,3.2rem)}
  .seal{max-width:440px}
  .grid3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band .wrap{gap:2rem}
}
@media(max-width:1024px){nav ul{gap:1.2rem}}
/* ---- phones ---- */
@media(max-width:600px){
  body{font-size:16px}
  nav .wrap{height:56px}
  nav ul{top:56px}
  h1{font-size:clamp(2rem,9vw,2.6rem)}
  h2{font-size:clamp(1.55rem,7vw,2rem)}
  .lede{font-size:1rem}
  .hero .wrap{padding-block:2.5rem 2rem;gap:2rem}
  .seal{max-width:320px}
  .hero-meta{gap:.6rem 1.2rem;font-size:.7rem}
  .btn{padding:.8rem 1.2rem;width:100%;justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  section.std .wrap,.dl .wrap{padding-block:3.5rem}
  .sec-head{margin-bottom:2rem}
  .shot .wrap{padding-block:2.5rem}
  .spec th{width:40%;font-size:.7rem}
  .spec th,.spec td{padding:.7rem 0}
  .dl .card{padding:1.4rem}
  .band .wrap{padding-block:3rem}
  .band .mono{font-size:.74rem;padding-left:1rem}
  footer .wrap{gap:1.5rem}
}
/* landscape phones */
@media(max-height:500px) and (orientation:landscape){
  .hero .wrap{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);padding-block:2rem}
  .seal{max-width:260px}
}
/* touch devices: larger targets, no hover-only states */
@media(hover:none){
  nav ul a,summary,.bus div{-webkit-tap-highlight-color:transparent}
  summary{padding:.3rem 0}
  .bus div:hover{background:#fff}
  .btn.primary:hover{background:var(--ink);border-color:var(--ink)}
}
/* high-resolution screens: slightly heavier thin type so it stays legible */
@media(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){h1,h2{font-weight:200}}
@media(-webkit-max-device-pixel-ratio:1.5),(max-resolution:150dpi){h1,h2{font-weight:300}}
/* print */
@media print{nav,.hero-actions,.dl,.shot .frame{display:none}body{font-size:12pt}.band{background:#fff;color:#000}.band p,.band .mono{color:#000}}
/* very old browsers without CSS variables see the fallback colours below */
@supports not (--a:0){body{background:#fff;color:#10151d}h1 em,.eyebrow{color:#1d5fd0}.btn.primary{background:#10151d;color:#fff}}
/* Firefox: thin-font rendering */
@-moz-document url-prefix(){h1,h2{font-weight:300}}

/* logos */
.brand{gap:.6rem}
.brand .logo-ff{height:50px;width:auto;display:block}
.brand .prod{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.16em;color:var(--ink-2);border-left:1px solid var(--line);padding-left:.7rem;line-height:1}
.logo-ff-foot{height:72px;width:auto;display:block}
.legal .oem{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.logo-dts{height:22px;width:auto;display:block}
@media(max-width:600px){
  .brand .logo-ff{height:40px}
  .brand .prod{font-size:.65rem;padding-left:.5rem}
  .logo-ff-foot{height:60px}
}

.brand .reg{font-size:.7rem;color:var(--ink-2);margin-left:-.4rem;align-self:flex-start;line-height:1}

/* download checksum box */
.hash-box{display:grid;gap:.4rem;border:1px solid var(--line);border-radius:4px;padding:.9rem 1rem;background:var(--bg-2);min-width:0}
.hash-label{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.hash-value{font-family:var(--f-mono);font-size:.82rem;line-height:1.5;color:var(--ink);word-break:break-all;overflow-wrap:anywhere;white-space:normal;display:block;min-height:2.6em}
.hash-file{font-family:var(--f-mono);font-size:.75rem;color:var(--blue);justify-self:start}

/* ---- hero: data-flow animation (read passes, write blocked) ---- */
.seal.flow{aspect-ratio:640/316;max-width:none}
@supports not (aspect-ratio:1/1){.seal.flow{padding-bottom:49.4%}}
@keyframes fl-dash{to{stroke-dashoffset:-20}}
@keyframes fx-r{0%{opacity:0;transform:translateX(0)}10%{opacity:1}70%{opacity:1}100%{opacity:0;transform:translateX(260px)}}
@keyframes fx-w{0%{opacity:0;transform:translateX(0) scale(1)}8%{opacity:1}75%{opacity:1;transform:translateX(-236px) scale(1)}80%{opacity:1;transform:translateX(-236px) scale(1.7)}100%{opacity:0;transform:translateX(-236px) scale(.2)}}
@keyframes fl-flash{0%{opacity:.45}45%,100%{opacity:.08}}
@keyframes fl-rip{0%{opacity:.85;transform:scale(1)}100%{opacity:0;transform:scale(3.6)}}
@keyframes fl-led{0%,100%{opacity:1}50%{opacity:.2}}
@keyframes fx-spin{to{transform:rotate(360deg)}}
/* seek: quick moves between tracks with short dwell, like a real head */
@keyframes fx-seek{0%,8%{transform:rotate(-4deg)}14%,30%{transform:rotate(7deg)}36%,52%{transform:rotate(-1deg)}58%,74%{transform:rotate(10deg)}82%,100%{transform:rotate(-4deg)}}
.flow .fl-mono{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em}
.flow .fl-dash{animation:fl-dash 1s linear infinite}
.flow .fx-r{opacity:0;animation:fx-r 3s linear infinite}
.flow .fx-w{opacity:0;transform-box:fill-box;transform-origin:center;animation:fx-w 2.4s cubic-bezier(.35,0,.7,1) infinite}
.flow .fl-flash{opacity:.08;animation:fl-flash .8s ease-out .2s infinite}
.flow .fl-rip{opacity:0;transform-box:fill-box;transform-origin:center;animation:fl-rip .8s ease-out .2s infinite}
.flow .fl-led{animation:fl-led .5s steps(2) infinite}
.flow .fx-spin{transform-origin:118px 240px;animation:fx-spin 1.2s linear infinite}
.flow .fx-arm{transform-origin:240px 262px;animation:fx-seek 5s cubic-bezier(.6,0,.3,1) infinite}
/* "Animation effects: off" in Windows: the data flow still plays (it is the point of the hero);
   only the flashing, ripple and blinking parts are stilled and the platter turns slowly */
@media(prefers-reduced-motion:reduce){
  .flow .fl-flash,.flow .fl-rip,.flow .fl-led{animation:none!important}
  .flow .fx-spin{animation-duration:8s}
}

/* hero balance: graphic cropped to its content, wider column, top-aligned with the headline */
h1{font-size:clamp(2.4rem,4.4vw,3.7rem)}
@media(min-width:861px){
  .hero .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start;gap:2.5rem}
  .hero-vis{margin-top:2.2rem}
}

/* hero right column: animation + example drive list */
.hero-vis{display:grid;gap:1.4rem;min-width:0}
.drive-card{background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 10px 30px -18px rgba(16,21,29,.25);padding:.4rem 1.2rem .6rem;max-width:560px;width:100%;justify-self:center}
.dc-head{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.7rem 0;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.dc-count{color:var(--green)}
.dc-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.65rem 0;border-bottom:1px solid var(--line)}
.dc-row:last-child{border-bottom:0}
.dc-name{font-family:var(--f-display);font-weight:400;font-size:.98rem;min-width:0}
.dc-name small{display:block;font-family:var(--f-mono);font-weight:300;font-size:.72rem;color:var(--ink-2);letter-spacing:.03em}
.badge{flex:none;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;padding:.32rem .6rem;border-radius:3px;white-space:nowrap}
.badge.blk{background:#fdeee6;color:var(--red);border:1px solid #f6cdb7}
.badge.sys{background:#e9f6ee;color:var(--green);border:1px solid #c3e6d0}
@media(max-width:600px){.drive-card{padding:.3rem .9rem .5rem}.dc-name{font-size:.92rem}.badge{font-size:.62rem;padding:.28rem .5rem}}

/* ---- wide desktops: use the screen instead of leaving empty side margins ---- */
@media(min-width:1280px){
  .wrap{max-width:min(1800px,90vw)}
}
@media(min-width:1500px){
  html{font-size:clamp(16px,.94vw,20px)}
  body{font-size:1.0625rem}
  nav .wrap{height:72px}
  .hero .wrap{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:4rem;padding-block:3.4rem 4rem}
  h1{font-size:clamp(3.4rem,3.5vw,4.2rem)}
  .lede{font-size:1.15rem}
  .drive-card{max-width:none}
  .grid3{gap:3rem 3.5rem}
  .steps .step{padding-right:2rem}
}

/* hero left column: interface chips fill the space under the buttons */
.hero-bus{display:grid;gap:.7rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.hb-label{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.hb-chips{display:flex;flex-wrap:wrap;gap:.5rem}
.hb-chips span{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.06em;padding:.45rem .8rem;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink)}
@media(min-width:861px){
  .hero-meta{display:grid;grid-template-columns:repeat(2,max-content);gap:.8rem 2.4rem}
  .hero .wrap{align-items:center}
  .hero-vis{margin-top:0}
}

/* evaluate: test steps fill the left column next to the download card */
.eval-test{display:grid;gap:.9rem;margin-top:.8rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.eval-test ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;counter-reset:ev}
.eval-test li{counter-increment:ev;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1rem 1.1rem;display:grid;gap:.3rem;min-width:0}
.eval-test li b{font-family:var(--f-display);font-weight:400;font-size:1.05rem;display:flex;align-items:baseline;gap:.6rem}
.eval-test li b::before{content:"0" counter(ev);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;color:var(--blue)}
.eval-test li span{font-size:.9rem;color:var(--ink-2);line-height:1.5}
.eval-test li:last-child{border-color:#c3e6d0;background:#f3faf6}
.eval-test li:last-child b::before{color:var(--green)}
@media(max-width:480px){.eval-test ol{grid-template-columns:1fr}}
@media(min-width:801px){.dl .wrap{align-items:center}}

/* real app screenshot: show the whole window at its own proportions, no fake title bar */
.frame.has-shot{aspect-ratio:auto;display:block;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 24px 60px -30px rgba(16,21,29,.35)}
.frame.has-shot .chrome{display:none}
.frame.has-shot picture{display:block}
.frame.has-shot .shot-img{position:static;width:100%;height:auto;display:block;object-fit:contain}
@supports not (aspect-ratio:1/1){.frame.has-shot{height:auto;padding-bottom:0}}

/* how-it-works steps: breathing room on both sides of each vertical divider */
.step{padding:2.2rem 2rem 2.2rem 0}
.step+.step{padding-left:2rem}
.step:last-child{padding-right:0}
@media(max-width:860px){
  .step,.step+.step{padding:1.8rem 1.6rem 1.8rem 0}
  .step:nth-child(even){padding-left:1.6rem;padding-right:0}
}
@media(max-width:560px){
  .step,.step+.step,.step:nth-child(even){padding:1.4rem 0}
}

/* download request form */
.dl-form{display:grid;gap:1rem}
.dl-intro{color:var(--ink-2);font-size:.95rem}
.fld{display:grid;gap:.35rem}
.fld label{font-size:.85rem;font-weight:400;color:var(--ink)}
.fld label span[aria-hidden]{color:var(--red)}
.fld .opt{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;color:var(--ink-2);margin-left:.3rem;text-transform:uppercase}
.dl-form input[type=text],.dl-form input[type=email],.dl-form input[type=tel],.dl-form select{font:inherit;font-size:1rem;font-weight:300;color:var(--ink);background:#fff;border:1px solid #cdd5df;border-radius:4px;padding:.7rem .8rem;width:100%;min-width:0;transition:border-color .15s,box-shadow .15s}
.dl-form input:focus,.dl-form select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.dl-form [aria-invalid=true]{border-color:var(--red)!important}
.phone{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.5rem}
.phone select{width:auto;padding-right:.4rem}
.err{color:var(--red);font-size:.8rem;min-height:0}
.err:empty{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.6rem;align-items:start;font-size:.85rem;color:var(--ink-2);line-height:1.5;cursor:pointer}
.consent input{margin-top:.2rem;width:16px;height:16px;accent-color:var(--blue)}
.dl-form .btn{justify-content:center;width:100%}
.dl-form .btn[disabled]{opacity:.6;cursor:progress}
.dl-status{font-size:.88rem;color:var(--ink-2)}
.dl-status.bad{color:var(--red)}
.dl-done{display:grid;gap:.6rem;padding:1.4rem;border:1px solid #c3e6d0;background:#f3faf6;border-radius:6px;color:var(--green)}
.dl-done[hidden]{display:none}
.dl-done h4{margin:0;font-family:var(--f-display);font-weight:400;font-size:1.25rem;color:var(--ink)}
.dl-done p{color:var(--ink-2);font-size:.95rem}
.dl-done .small{font-size:.85rem}

/* evaluate layout: top-aligned columns, compact two-column form, left column follows while scrolling */
.dl .wrap{align-items:start}
@media(min-width:801px){
  .dl .wrap>div:first-child{position:sticky;top:96px}
  .dl .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
}
.dl-form{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:1rem;row-gap:1rem}
.dl-form>.dl-intro,.dl-form>.consent,.dl-form>#dl-consent-err,.dl-form>.btn,.dl-form>.dl-status{grid-column:1/-1}
@media(max-width:560px){.dl-form{grid-template-columns:1fr}}
.dl .card{gap:1rem;padding:1.8rem}
.dl .card ul{margin-top:.2rem}