@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400.woff2') format('woff2')}
  @font-face{font-family:'Inter';font-weight:500;font-display:swap;src:url('/assets/fonts/inter-500.woff2') format('woff2')}
  @font-face{font-family:'Inter';font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600.woff2') format('woff2')}
  @font-face{font-family:'Inter';font-weight:700;font-display:swap;src:url('/assets/fonts/inter-700.woff2') format('woff2')}
  @font-face{font-family:'Grotesk';font-weight:500;font-display:swap;src:url('/assets/fonts/grotesk-500.woff2') format('woff2')}
  @font-face{font-family:'Grotesk';font-weight:600;font-display:swap;src:url('/assets/fonts/grotesk-600.woff2') format('woff2')}
  @font-face{font-family:'Grotesk';font-weight:700;font-display:swap;src:url('/assets/fonts/grotesk-700.woff2') format('woff2')}

  :root{
    --bg:#08080a; --bg2:#0d0d10; --surface:#131318; --surface2:#1a1a20;
    --text:#f5f3f1; --muted:#a29c98; --faint:#6f6a67;
    --red:#e0442f; --ember:#ff6a3d; --amber:#ffb066;
    --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.11);
    --maxw:1160px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;
    line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  /* filmic depth: warm ambient washes + fine grain */
  body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
    background:
      radial-gradient(60% 40% at 78% -5%, rgba(255,106,61,.13), transparent 60%),
      radial-gradient(50% 45% at 12% 8%, rgba(224,68,47,.10), transparent 55%),
      radial-gradient(70% 60% at 50% 108%, rgba(255,140,80,.06), transparent 60%)}
  body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
  h1,h2,h3{font-family:'Grotesk','Inter',sans-serif;font-weight:600;line-height:1.08;letter-spacing:-.015em;margin:0}
  .eyebrow{font-family:'Grotesk';color:var(--ember);font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;margin:0 0 16px;display:inline-flex;align-items:center;gap:9px}
  .eyebrow:before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--ember),transparent)}
  h2.sec{font-size:clamp(28px,4.4vw,46px);margin:0 0 16px}
  .lead{color:var(--muted);font-size:clamp(16px,1.7vw,19px);max-width:62ch}
  section{padding:104px 0;position:relative}
  .divide{border-top:1px solid var(--line)}
  .center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}

  /* reveal on scroll — only hidden when JS is active (progressive enhancement) */
  html.js .rev{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
  html.js .rev.in{opacity:1;transform:none}
  .rev.d1{transition-delay:.08s}.rev.d2{transition-delay:.16s}.rev.d3{transition-delay:.24s}

  /* NAV */
  header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px) saturate(1.2);
    background:rgba(8,8,10,.66);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:68px}
  .brand{display:flex;align-items:center;gap:12px;font-family:'Grotesk';font-weight:700;font-size:19px;letter-spacing:.01em}
  .brand img{width:32px;height:32px;filter:drop-shadow(0 0 10px rgba(224,68,47,.55))}
  .nav-links{display:flex;gap:32px;align-items:center}
  .nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .18s;position:relative}
  .nav-links a:hover{color:var(--text)}
  .btn{display:inline-flex;align-items:center;gap:8px;font-family:'Grotesk';background:linear-gradient(180deg,var(--ember),var(--red));
    color:#fff;font-weight:600;font-size:14.5px;padding:11px 22px;border-radius:11px;border:1px solid rgba(255,150,110,.5);
    cursor:pointer;box-shadow:0 6px 22px rgba(224,68,47,.32),inset 0 1px 0 rgba(255,255,255,.2);
    transition:transform .14s,box-shadow .2s;white-space:nowrap}
  .btn:hover{box-shadow:0 8px 30px rgba(224,68,47,.5),inset 0 1px 0 rgba(255,255,255,.25);transform:translateY(-1px)}
  .btn:active{transform:scale(.97)}
  .btn.ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line2);box-shadow:none}
  .btn.ghost:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.07)}
  .nav-toggle{display:none;align-items:center;justify-content:center;background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:10px;padding:7px;color:var(--text);cursor:pointer}
  .nav-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
  @media(max-width:860px){
    .nav-toggle{display:flex}
    .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
      background:rgba(9,9,12,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
      padding:6px 26px 20px;display:none}
    .nav-links.open{display:flex}
    .nav-links a{padding:14px 2px;font-size:16px;border-bottom:1px solid var(--line);color:var(--text)}
    .nav-links a.btn{margin-top:14px;justify-content:center;border-bottom:none;padding:13px 22px}
  }

  /* HERO */
  .hero{padding:92px 0 64px;text-align:center;position:relative}
  .kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);
    border:1px solid var(--line2);background:rgba(255,255,255,.03);border-radius:100px;padding:7px 16px;margin-bottom:30px}
  .kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 10px var(--ember);animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  .hero h1{font-family:'Grotesk';font-weight:700;font-size:clamp(38px,6.6vw,76px);letter-spacing:-.03em;
    line-height:1.02;margin:0 auto 24px;max-width:15ch;background:linear-gradient(180deg,#fff 40%,#c9c4c0);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--amber),var(--ember),var(--red));
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .hero .lead{font-size:clamp(17px,2.1vw,21px);margin:0 auto}
  .hero-cta{display:flex;gap:14px;justify-content:center;margin:36px 0 30px;flex-wrap:wrap}
  .badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
  .badge{font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:100px;padding:7px 15px;background:rgba(255,255,255,.02)}
  .badge b{color:var(--text);font-weight:600}

  /* live demo device frame */
  .demo{margin:56px auto 0;max-width:1020px;position:relative}
  .demo-toggle{display:inline-flex;gap:2px;background:var(--surface);border:1px solid var(--line2);border-radius:100px;padding:4px;margin-bottom:20px}
  .demo-toggle button{font-family:'Grotesk';font-weight:600;font-size:13.5px;color:var(--muted);background:transparent;border:none;
    padding:8px 20px;border-radius:100px;cursor:pointer;transition:color .15s}
  .demo-toggle button.on{color:#fff;background:linear-gradient(180deg,var(--ember),var(--red));box-shadow:0 2px 12px rgba(224,68,47,.4)}
  .frame{border-radius:16px;overflow:hidden;border:1px solid var(--line2);
    box-shadow:0 40px 100px rgba(0,0,0,.65),0 0 0 1px rgba(0,0,0,.5),0 0 60px rgba(224,68,47,.08);background:#000;position:relative}
  .frame img{width:100%;display:block;transition:opacity .5s ease}
  .frame .glow{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 120px rgba(0,0,0,.4)}
  .demo-cap{color:var(--faint);font-size:12.5px;margin-top:16px;letter-spacing:.02em}

  /* logo strip */
  .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;background:rgba(255,255,255,.012)}
  .strip p{text-align:center;color:var(--faint);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;margin:0 0 18px;font-family:'Grotesk'}
  .strip-row{display:flex;gap:14px 40px;justify-content:center;flex-wrap:wrap;align-items:center}
  .strip-row span{color:var(--muted);font-weight:600;font-size:15px;font-family:'Grotesk';opacity:.75}

  /* split */
  .split{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
  @media(max-width:880px){.split{grid-template-columns:1fr;gap:34px}}
  .checklist{list-style:none;padding:0;margin:28px 0 0}
  .checklist li{position:relative;padding:11px 0 11px 34px;font-size:15.5px;border-bottom:1px solid var(--line)}
  .checklist li svg{position:absolute;left:0;top:12px;width:20px;height:20px}
  .panel{background:linear-gradient(180deg,var(--surface),var(--bg2));border:1px solid var(--line2);border-radius:18px;padding:8px;position:relative;overflow:hidden}
  .panel:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--ember),transparent);z-index:2}
  .panel img{border-radius:12px}

  /* cards */
  .grid{display:grid;gap:20px;margin-top:48px}
  .cols-3{grid-template-columns:repeat(3,1fr)}.cols-2{grid-template-columns:repeat(2,1fr)}
  @media(max-width:880px){.cols-3,.cols-2{grid-template-columns:1fr}}
  .card{background:linear-gradient(180deg,var(--surface),rgba(19,19,24,.5));border:1px solid var(--line);border-radius:18px;padding:30px;
    transition:border-color .2s,transform .2s,box-shadow .2s;position:relative}
  .card:hover{border-color:rgba(255,106,61,.35);transform:translateY(-3px);box-shadow:0 20px 50px rgba(0,0,0,.4)}
  .card h3{font-size:20px;margin:0 0 11px}
  .card p{color:var(--muted);font-size:15px;margin:0}
  .ic{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;
    background:radial-gradient(120% 120% at 30% 20%,rgba(255,106,61,.22),rgba(224,68,47,.08));border:1px solid rgba(255,106,61,.28)}
  .ic svg{width:24px;height:24px;stroke:var(--ember);fill:none;stroke-width:1.7}

  /* steps */
  .steps{display:grid;gap:20px;margin-top:48px;grid-template-columns:repeat(3,1fr)}
  @media(max-width:880px){.steps{grid-template-columns:1fr}}
  .step{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px 28px;position:relative}
  .step .n{font-family:'Grotesk';font-weight:700;font-size:14px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    color:#fff;background:linear-gradient(180deg,var(--ember),var(--red));box-shadow:0 0 18px rgba(224,68,47,.45);margin-bottom:18px}
  .step h3{font-size:18px;margin:0 0 8px}.step p{color:var(--muted);font-size:14.5px;margin:0}

  /* specs */
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
  @media(max-width:880px){.stats{grid-template-columns:repeat(2,1fr)}}
  .stat{text-align:center;padding:28px 14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02)}
  .stat .big{font-family:'Grotesk';font-size:34px;font-weight:700;letter-spacing:-.02em}
  .stat .big span{background:linear-gradient(120deg,var(--amber),var(--ember));-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat .lbl{color:var(--muted);font-size:13px;margin-top:6px}

  /* origin */
  .origin{background:
      radial-gradient(80% 120% at 15% 0%, rgba(255,106,61,.12), transparent 55%),
      linear-gradient(180deg,var(--surface),var(--bg2));
    border:1px solid var(--line2);border-radius:24px;padding:56px 52px;max-width:900px;margin:0 auto;position:relative;overflow:hidden}
  .origin .q{font-family:Georgia,serif;color:var(--ember);font-size:90px;line-height:0;position:absolute;top:52px;left:30px;opacity:.35}
  .origin p{font-family:'Grotesk';font-weight:500;font-size:clamp(19px,2.5vw,26px);line-height:1.45;margin:0;letter-spacing:-.01em}
  .origin .by{color:var(--muted);font-size:14.5px;margin-top:26px;display:flex;align-items:center;gap:12px}
  .origin .by:before{content:"";width:26px;height:1px;background:var(--ember)}

  /* FAQ */
  .faq{max-width:840px;margin:48px auto 0}
  details{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s}
  details[open]{border-color:rgba(255,106,61,.3)}
  summary{cursor:pointer;padding:20px 24px;font-family:'Grotesk';font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
  summary::-webkit-details-marker{display:none}
  summary:after{content:"+";color:var(--ember);font-size:24px;font-weight:300;transition:transform .25s;line-height:1}
  details[open] summary:after{transform:rotate(45deg)}
  details .a{color:var(--muted);font-size:15px;padding:0 24px 22px;line-height:1.65}
  details .a b{color:var(--text)}

  /* CTA */
  .cta{text-align:center;background:
      radial-gradient(100% 140% at 50% 0%, rgba(255,106,61,.18), transparent 62%),
      linear-gradient(180deg,var(--bg2),var(--surface));
    border:1px solid var(--line2);border-radius:26px;padding:72px 32px;max-width:960px;margin:0 auto;position:relative;overflow:hidden}
  .cta:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--ember),transparent)}
  .cta h2{font-size:clamp(28px,4.4vw,44px);margin-bottom:16px}

  /* footer */
  footer{border-top:1px solid var(--line);padding:60px 0 44px;color:var(--muted);font-size:13.5px}
  .foot-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:34px}
  .foot-links{display:flex;gap:28px;flex-wrap:wrap}
  .foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--text)}
  .disc{border-top:1px solid var(--line);padding-top:26px;color:var(--faint);font-size:12.5px;max-width:82ch}
  .disc p{margin:0 0 10px}

/* connection flow diagram */
.flowbox{margin:54px auto 10px;max-width:1000px;overflow-x:auto;padding:6px 0;
  -webkit-overflow-scrolling:touch}
.flow{width:100%;min-width:660px;height:auto;display:block;margin:0 auto}

/* comparison table (TessDrive vs Other Devices) — solid opaque bg so the ambient page-glow can't bleed through */
.cmp{margin:48px auto 0;max-width:1000px;border:1px solid var(--line2);border-radius:18px;overflow:hidden;background:#0f0f14;text-align:left;position:relative;z-index:1}
.cmp-head,.cmp-row{display:grid;grid-template-columns:0.82fr 1.3fr 1.3fr}
.cmp-head{border-bottom:1px solid var(--line2)}
.cmp-head>div{padding:15px 22px;font-family:'Grotesk';font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px;background:#0c0c10}
.cmp-head .cmp-us{color:#fff;background:#1c130e;border-left:1px solid var(--line2);border-right:1px solid var(--line2)}
.cmp-head .cmp-us:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--ember);box-shadow:0 0 9px var(--ember)}
.cmp-head .cmp-them{color:var(--muted)}
.cmp-row{border-bottom:1px solid var(--line)}
.cmp-row:last-child{border-bottom:none}
.cmp-row>div{padding:16px 22px;font-size:14.5px;line-height:1.55}
.cmp-dim{font-family:'Grotesk';font-weight:600;color:var(--text);display:flex;align-items:center;background:#0f0f14}
.cmp-us-cell{color:var(--text);background:#17110d;border-left:1px solid var(--line2);border-right:1px solid var(--line2)}
.cmp-us-cell .mk{color:var(--ember);font-weight:800;margin-right:8px}
.cmp-us-cell b{color:#fff;font-weight:700}
.cmp-them-cell{color:var(--muted);background:#0f0f14}
.cmp-row.key .cmp-us-cell{background:#20140e}
.cmp-lbl{display:none}
@media(max-width:760px){
  .cmp{border-radius:16px;background:#0f0f14}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;padding:8px 0 14px;gap:0}
  .cmp-row>div{padding:6px 18px;background:none}
  .cmp-dim{padding-top:16px;font-size:16px;font-family:'Grotesk';background:none}
  .cmp-us-cell,.cmp-them-cell{border:none;margin:6px 14px 0;border-radius:10px;padding:12px 14px}
  .cmp-us-cell{background:#1b130e}
  .cmp-them-cell{background:#141418}
  .cmp-lbl{display:block;font-family:'Grotesk';font-weight:700;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;opacity:.55;margin-bottom:5px}
  .cmp-us-cell .cmp-lbl{color:var(--ember);opacity:.9}
}

/* footer colophon (built with / hosted by) */
.colophon{margin-top:20px;color:var(--faint);font-size:12.5px;line-height:1.75}
.colophon a{color:var(--muted);border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.colophon a:hover{color:var(--text);border-bottom-color:var(--ember)}