:root{
  --bg:#0b0c0e;          /* page ground */
  --surface:#15171a;     /* raised blocks */
  --line:#26292e;        /* rules and borders */
  --text:#f2f3f5;
  --text-dim:#9aa1aa;    /* ~7:1 against --bg, clears WCAG AA */
  --mat:#f1efec;         /* image mat: warm white, carries light-background product photos */
  --cta-bg:#ffffff; --cta-text:#0b0c0e;
  --maxw:1120px; --measure:68ch;
  --font-display:ui-serif,Georgia,"Times New Roman",serif;
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);
     line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2{font-family:var(--font-display);font-weight:400;line-height:1.15;letter-spacing:-.01em}
p{max-width:var(--measure)}
section{max-width:var(--maxw);margin:0 auto;padding:96px 24px}
img,video{max-width:100%;height:auto;display:block}

/* Light-background media always sits in a mat. Never knock out the background,
   never darken it — that would undercut "this is the actual output". */
.mat{background:var(--mat);border:1px solid var(--line);border-radius:12px;
     padding:16px;overflow:hidden}
.mat img,.mat video{border-radius:4px}

@media (max-width:720px){
  section{padding:64px 20px}
}