/* 16:19 — site styles */
:root{
  --ink:#17312C; --green:#56B77E; --paper:#FBFBFB; --coral:#F2735B;
  --muted:#4B5F5A; --line:#DCE4E1; --tint:#E6F3EB; --white:#FFFFFF;
  --sans:'Inter Tight',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1360px; --gut:40px; --r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(23,49,44,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(23,49,44,.05) 1px,transparent 1px);background-size:32px 32px}
a{color:var(--ink)}
img,svg,canvas{display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono)}
.label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px}
.label::before{content:"";width:8px;height:8px;background:var(--coral);display:inline-block}
.label.plain::before{display:none}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:10px 14px;z-index:10}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px}

/* header */
.site-head{border-bottom:1px solid var(--line);background:rgba(251,251,251,.92);backdrop-filter:blur(6px);position:sticky;top:0;z-index:5}
.site-head .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px}
.logo{text-decoration:none;font-family:var(--mono);font-weight:500;font-size:22px;letter-spacing:-.02em}
.logo .colon,.blink{color:var(--coral);animation:blink 1.2s steps(1) infinite}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:.15}}
.head-right{margin-left:auto;display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center}
.clock{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.nav{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;font-size:15px}
.nav a{text-decoration:none;padding:10px 0}
.nav a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:6px;text-decoration-thickness:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:16px 24px;border-radius:4px;font-size:16px;font-weight:500;text-decoration:none;border:1px solid var(--ink);cursor:pointer;font-family:var(--sans);transition:transform .2s ease,box-shadow .2s ease}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-ghost{background:var(--paper);color:var(--ink)}
.nav .btn{padding:11px 18px;color:var(--paper)}
.btn[disabled]{opacity:.6;cursor:progress;transform:none;box-shadow:none}

/* hero */
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:48px;align-items:center;padding-top:64px;padding-bottom:96px}
h1{margin:28px 0 0;font-size:clamp(52px,8vw,120px);line-height:.92;font-weight:600;letter-spacing:-.045em}
h1 .dot,h2 .dot{color:var(--coral)}
.lead{margin:28px 0 0;max-width:520px;font-size:20px;line-height:1.5;color:var(--muted)}
.lead b{color:var(--ink);font-weight:500}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}

/* viewport */
.vp{position:relative;background:var(--white);border:1px solid var(--ink);border-radius:var(--r);overflow:hidden}
.vp-bar{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.vp-stage{position:relative;height:clamp(320px,38vw,520px);background:var(--ink)}
.vp-stage.light{background:var(--paper);height:380px}
.vp-stage canvas{width:100%;height:100%;cursor:grab;touch-action:pan-y}
.vp-stage.light canvas{cursor:default}
.vp-hint{position:absolute;right:14px;bottom:12px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--paper);pointer-events:none}
.vp-foot{padding:12px 16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tabs{display:flex;flex-wrap:wrap;border-top:1px solid var(--line)}
.tabs button{flex:1 1 auto;min-height:44px;padding:0 14px;border:0;border-right:1px solid var(--line);background:var(--white);color:var(--ink);font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background .2s,color .2s}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper)}

/* spec strip */
.spec{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:var(--paper)}
.spec .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.spec .wrap > div{padding:28px 24px 28px 0}
.spec .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.spec .v{font-size:40px;font-weight:600;letter-spacing:-.03em;margin-top:6px}

/* sections */
.section{padding-top:128px;padding-bottom:128px}
h2{margin:20px 0 0;font-size:clamp(38px,5vw,72px);line-height:1;font-weight:600;letter-spacing:-.035em;max-width:880px}
.body{margin:24px 0 0;max-width:620px;font-size:19px;line-height:1.6;color:var(--muted)}
.duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));margin-top:64px;border:1px solid var(--ink);border-radius:var(--r);overflow:hidden}
.duo article{padding:44px;display:flex;flex-direction:column;gap:20px}
.duo article:first-child{background:var(--green)}
.duo article:last-child{background:var(--coral)}
.duo .k{font-family:var(--mono);font-size:12px;letter-spacing:.1em}
.duo h3{margin:0;font-size:34px;font-weight:600;letter-spacing:-.02em;line-height:1.1}
.duo p{margin:0;font-size:17px;line-height:1.6}
.duo .tags{font-family:var(--mono);font-size:12px;margin-top:auto}

.svc{display:flex;flex-wrap:wrap;gap:40px;margin-top:56px;align-items:flex-start}
.svc-list{flex:999 1 520px;min-width:0;border-top:1px solid var(--ink)}
.svc-row{text-decoration:none;display:grid;grid-template-columns:72px minmax(0,1fr) 32px;gap:16px;align-items:start;padding:28px 12px;border-bottom:1px solid var(--line);transition:background .2s}
.svc-row.on{background:var(--tint)}
.svc-row .code{font-family:var(--mono);font-size:13px;padding-top:8px;color:var(--muted)}
.svc-row .t{display:block;font-size:clamp(24px,2.4vw,32px);font-weight:600;letter-spacing:-.02em;line-height:1.15}
.svc-row .d{display:block;margin-top:8px;font-size:15px;line-height:1.6;color:var(--muted)}
.svc-row svg{margin-top:8px;transition:transform .25s}
.svc-row:hover svg{transform:translateX(6px)}
.svc .vp{flex:1 1 360px;position:sticky;top:96px}

.dark{background:var(--ink);color:var(--paper)}
.dark .label{color:var(--green)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:40px;margin-top:72px}
.steps > div{border-top:1px solid;padding-top:24px}
.steps .n{font-family:var(--mono);font-size:48px;font-weight:500;letter-spacing:-.04em}
.steps h3{margin:16px 0 8px;font-size:26px;font-weight:600}
.steps p{margin:0;font-size:16px;line-height:1.6;color:#C9D6D2}

.cta h2{font-size:clamp(52px,8.5vw,136px);line-height:.92;letter-spacing:-.045em;max-width:none}

/* contact page */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:48px;align-items:start;padding-bottom:128px}
.form{background:var(--white);border:1px solid var(--ink);border-radius:var(--r);overflow:hidden}
.form-body{padding:32px;display:grid;gap:22px}
.row2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:22px}
.field label,.field legend{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field .req{color:var(--ink)}
.field input,.field textarea{width:100%;font:inherit;font-size:17px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:14px 14px;min-height:48px;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:160px;resize:vertical;line-height:1.5}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:3px 3px 0 var(--green)}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#C2412A}
.err{display:block;min-height:0;margin-top:6px;font-size:13px;color:#B23A24}
fieldset.field{border:0;margin:0;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;pointer-events:none;margin:0}
.chip span{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;font-size:15px;cursor:pointer;background:var(--paper);transition:background .2s,border-color .2s,color .2s}
.chip input:checked + span{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip input:focus-visible + span{outline:2px solid var(--coral);outline-offset:2px}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.5;color:var(--muted)}
.consent input{width:20px;height:20px;margin-top:1px;accent-color:var(--ink);flex-shrink:0}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:20px 32px;border-top:1px solid var(--line);background:var(--paper)}
.meter{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);display:flex;align-items:center;gap:10px}
.meter i{display:block;width:120px;height:2px;background:var(--line);position:relative;overflow:hidden}
.meter i b{position:absolute;inset:0 auto 0 0;width:0;background:var(--green);transition:width .3s ease}
.status{display:none;padding:18px 32px;border-top:1px solid var(--line);font-size:16px;line-height:1.5}
.status.ok{display:block;background:var(--tint)}
.status.bad{display:block;background:#FDE7E2}
.info{display:grid;gap:20px}
.info-card{border:1px solid var(--ink);border-radius:var(--r);background:var(--white);padding:28px}
.info-card .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.info-card .v{margin-top:8px;font-size:24px;font-weight:600;letter-spacing:-.01em}
.info-card a.v{display:inline-block;text-decoration:none;border-bottom:2px solid var(--coral)}

/* footer */
.foot{margin-top:0;padding:24px 0 48px;border-top:1px solid var(--ink)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--muted)}
.foot a{color:var(--muted);text-decoration:none;padding:8px 0}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 24px}

@media (max-width:640px){
  :root{--gut:20px}
  .section{padding-top:88px;padding-bottom:88px}
  .duo article{padding:28px}
  .form-body{padding:22px}
  .form-foot,.status{padding-left:22px;padding-right:22px}
  .svc-row{grid-template-columns:minmax(0,1fr) 24px}
  .svc-row .code{display:none}
  .svc .vp{position:relative;top:0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* mobile menu */
.menu-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--ink);border-radius:4px;background:var(--paper);cursor:pointer;padding:0}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:820px){
  .menu-btn{display:inline-flex}
  .head-right{gap:12px}
  .nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);padding-top:8px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:18px}
  .nav .btn{margin-top:12px;justify-content:center;border-bottom:1px solid var(--ink);font-size:16px}
  .site-head .wrap{gap:12px}
}
@media (max-width:420px){ .clock{display:none} }
.nav .btn[aria-current]{text-decoration:none}
@media (max-width:640px){
  .spec .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec .v{font-size:32px}
  .tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .tabs button{border-bottom:1px solid var(--line)}
}

.note{margin:0;font-size:14px;line-height:1.5;color:var(--muted)}
.note b{color:var(--ink);font-weight:500}
.copy{display:inline-flex;align-items:center;min-height:44px;margin-top:12px;padding:0 16px;border:1px solid var(--ink);border-radius:4px;background:var(--paper);color:var(--ink);font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.copy:hover{background:var(--ink);color:var(--paper)}
.status .copy{margin-top:10px}

.mail-big{display:inline-block;font-size:clamp(34px,5vw,64px);font-weight:600;letter-spacing:-.03em;text-decoration:none;border-bottom:3px solid var(--coral);line-height:1.1;word-break:break-word}
.mail-big:hover{color:var(--green)}