/* Teloson brand: Navy #1C2B45 · Signal Blue #4F76B0 · Signal Blue Light #8AA8D8 · Paper #FBFAF7
   Instrument Serif for the wordmark and headlines, IBM Plex Mono for labels, data and UI text. */
:root{
  --paper:#FBFAF7;
  --navy:#1C2B45;
  --signal:#4F76B0;
  --signal-light:#8AA8D8;
  --hero:#010205;

  --ground:var(--paper);
  --ink:var(--navy);
  --ink-2:#4B5669;
  --ink-3:#7E8798;
  --line:rgba(28,43,69,.14);
  --line-2:rgba(28,43,69,.3);
  --accent:var(--signal);
  --accent-soft:rgba(79,118,176,.12);
  --bar:var(--navy);
  --bar-accent:var(--signal);

  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1180px;
  --gutter:clamp(20px,5vw,64px);
  --ease-out:cubic-bezier(.23,1,.32,1);
  --ease-in-out:cubic-bezier(.77,0,.175,1);
  color-scheme:light;
}
/* dark surfaces: the floor, the command line, the account section */
.dark{
  --ground:var(--navy);
  --ink:var(--paper);
  --ink-2:rgba(251,250,247,.74);
  --ink-3:rgba(251,250,247,.5);
  --line:rgba(251,250,247,.16);
  --line-2:rgba(251,250,247,.3);
  --accent:var(--signal-light);
  --accent-soft:rgba(138,168,216,.16);
  --bar:var(--paper);
  --bar-accent:var(--signal-light);
  color:var(--ink);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--mono);font-size:14px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
:focus-visible{outline:1.5px solid var(--accent);outline-offset:4px;border-radius:2px}
::selection{background:rgba(79,118,176,.22)}
p{margin:0 0 1.3em}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}

/* the lockup: bars take currentColor, the fourth bar takes the accent */
.lockup{display:block;height:26px;width:105.4px;overflow:visible}
.brand{display:inline-flex;align-items:center;color:var(--bar)}

/* header */
.top{position:fixed;inset:0 0 auto 0;z-index:20;padding-top:calc(20px + env(safe-area-inset-top,0px));padding-bottom:20px;pointer-events:none}
.top::before{content:"";position:absolute;inset:0 0 -28px 0;background:linear-gradient(to bottom,rgba(1,2,5,.85),rgba(1,2,5,0));pointer-events:none}
.top.light::before{background:linear-gradient(to bottom,rgba(251,250,247,.96),rgba(251,250,247,0))}
.top .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;pointer-events:auto}
.nav{display:flex;align-items:center;gap:26px}
.top-link{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);transition:color 150ms ease}
.top-link.solid{color:var(--ink);border:1px solid var(--line-2);border-radius:999px;padding:9px 16px;transition:border-color 150ms ease,background 150ms ease,transform 160ms var(--ease-out)}
.top-link.solid:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){
  .top-link:hover{color:var(--ink)}
  .top-link.solid:hover{border-color:var(--accent);background:var(--accent-soft)}
}

/* type */
h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.0;margin:0 0 24px;text-wrap:balance}
h1{font-size:clamp(46px,6.2vw,88px)}
h2{font-size:clamp(34px,4.2vw,56px);line-height:1.04}
h1 em,h2 em,.statement em{font-style:italic;font-weight:400}
.label{display:flex;align-items:center;gap:14px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin:0 0 clamp(40px,5vw,64px)}
.label::after{content:"";flex:1;height:1px;background:var(--line)}
.prose{max-width:62ch;color:var(--ink-2)}
.prose strong{color:var(--ink);font-weight:500}
.eyebrow{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin:0 0 22px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;padding:13px 22px;border:1px solid var(--line-2);border-radius:999px;font:inherit;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);background:transparent;cursor:pointer;transition:border-color 150ms ease,background 150ms ease,transform 160ms var(--ease-out)}
.btn:active{transform:scale(.97)}
.btn .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.btn.fill{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.btn:disabled{opacity:.55;cursor:default}
@media (hover:hover) and (pointer:fine){
  .btn:hover{border-color:var(--accent);background:var(--accent-soft)}
  .btn.fill:hover{background:var(--accent);border-color:var(--accent);color:#fff}
}
.quiet{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:color 150ms ease,border-color 150ms ease}
@media (hover:hover) and (pointer:fine){.quiet:hover{color:var(--ink);border-color:var(--accent)}}

/* sections */
section.block{padding-block:clamp(96px,12vw,168px)}
section.block + section.block{padding-top:0}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px 32px}
.c-4{grid-column:span 4}.c-5{grid-column:span 5}.c-6{grid-column:span 6}.c-7{grid-column:span 7}.c-8{grid-column:span 8}.c-10{grid-column:span 10}
.push-7{grid-column:7 / span 6}.push-8{grid-column:8 / span 5}

/* the command line, always on navy */
.cmd{position:relative;display:flex;align-items:stretch;gap:0;border-radius:14px;background:var(--navy);color:var(--paper);overflow:hidden}
.cmd pre{margin:0;padding:22px 24px;font-family:var(--mono);font-size:13.5px;line-height:1.7;color:var(--paper);white-space:pre-wrap;word-break:break-all;flex:1;min-width:0}
.cmd pre .p{color:rgba(251,250,247,.45)}
.cmd pre .v{color:var(--signal-light)}
.copy{flex:none;display:inline-grid;place-items:center;padding:0 22px;border:0;border-left:1px solid rgba(251,250,247,.16);background:transparent;color:rgba(251,250,247,.72);font:inherit;font-size:12px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;min-width:108px;transition:color 150ms ease,background 150ms ease,transform 160ms var(--ease-out)}
.copy:active{transform:scale(.96)}
.copy > span{grid-area:1/1;transition:opacity 200ms ease,filter 200ms ease,transform 200ms var(--ease-out)}
.copy .done{opacity:0;filter:blur(2px);transform:translateY(4px);color:var(--paper)}
.copy.is-done .idle{opacity:0;filter:blur(2px);transform:translateY(-4px)}
.copy.is-done .done{opacity:1;filter:none;transform:none}
@media (hover:hover) and (pointer:fine){.copy:hover{color:var(--paper);background:rgba(251,250,247,.06)}}

/* forms */
form{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px}
.field{display:flex;flex-direction:column;gap:10px}
.field.full{grid-column:1 / -1}
label{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
input,textarea{font:inherit;font-size:15px;color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--line-2);padding:10px 0 12px;border-radius:0;transition:border-color 150ms ease;width:100%}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{resize:vertical;min-height:88px;line-height:1.6}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:8px}
.form-foot small{color:var(--ink-3);font-size:12.5px;max-width:44ch;line-height:1.6}
.status{grid-column:1 / -1;font-size:13.5px;color:var(--ink-2);min-height:1.5em;margin:0;transition:opacity 150ms ease}
.status.err{color:#C86B5A}
.dark .status.err{color:#E8A392}
.done-block{display:none;padding:12px 0 4px}
.done-block h3{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.2vw,44px);margin:0 0 12px;line-height:1.05}
.done-block p{color:var(--ink-2);max-width:48ch;margin:0}

/* footer */
footer{padding:44px 0 calc(44px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:12px;letter-spacing:.04em;color:var(--ink-3)}

@media (max-width:900px){
  .c-4,.c-5,.c-6,.c-7,.c-8,.c-10,.push-7,.push-8{grid-column:1 / -1}
  form{grid-template-columns:1fr}
  .cmd{flex-direction:column}
  .copy{border-left:0;border-top:1px solid rgba(251,250,247,.16);padding:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .copy > span{transition:opacity 150ms ease;transform:none!important;filter:none!important}
  .btn,.copy,.top-link.solid{transition:none}
}