/* GrandRoute — a call route runs through the page: hero schematic, services as hops,
   a routing table for coverage, the request form as the final hop. */
:root{
  --bg:#F4F7F7; --surface:#FFFFFF; --ink:#14212A; --muted:#536370; --line:#D8E1E3;
  --accent:#0C7A68; --accent-ink:#FFFFFF; --accent-soft:#E2F1ED; --signal:#B8730F; --signal-dot:#D98E1F; --signal-soft:#FBEFD9;
  --danger:#B3382C; --scrim:rgba(20,33,42,.45); --header:rgba(244,247,247,.9);
  --f-display:"Unbounded","Golos Text",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --wrap:1160px; --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E161B; --surface:#152028; --ink:#E6EDF0; --muted:#97A7B1; --line:#26343D;
  --accent:#3FC3A8; --accent-ink:#04231C; --accent-soft:#14302B; --signal:#F1B44E; --signal-dot:#F1B44E; --signal-soft:#33280F;
  --danger:#F07A6C; --scrim:rgba(0,0,0,.6); --header:rgba(14,22,27,.88); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E161B; --surface:#152028; --ink:#E6EDF0; --muted:#97A7B1; --line:#26343D;
  --accent:#3FC3A8; --accent-ink:#04231C; --accent-soft:#14302B; --signal:#F1B44E; --signal-dot:#F1B44E; --signal-soft:#33280F;
  --danger:#F07A6C; --scrim:rgba(0,0,0,.6); --header:rgba(14,22,27,.88); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
img,svg{max-width:100%}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.15;text-wrap:balance;margin:0;hyphens:auto;overflow-wrap:break-word}
h2{font-size:clamp(24px,3.4vw,36px);letter-spacing:-.01em}
h3{font-size:17px;font-family:var(--f-body);font-weight:600}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:500}
.lead{color:var(--muted);font-size:17px;max-width:62ch}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;z-index:60;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px}
.skip:focus{left:16px}

/* header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--header);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:600;font-size:17px;letter-spacing:-.01em;flex:none}
nav.main{display:flex;gap:20px;margin-left:auto}
nav.main a{text-decoration:none;color:var(--muted);font-size:15px;font-weight:500;white-space:nowrap}
nav.main a:hover{color:var(--ink)}
.bar-right{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 20px;font:600 15px var(--f-body);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,border-color .15s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-primary[disabled]{opacity:.65;cursor:progress;transform:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-sm{padding:8px 16px;font-size:14px}

/* language dropdown */
.lang{position:relative}
.lang summary{list-style:none;display:flex;align-items:center;gap:7px;cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 12px;font:600 13.5px var(--f-mono);letter-spacing:.04em}
.lang summary::-webkit-details-marker{display:none}
.lang summary::after{content:"";width:6px;height:6px;border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);transform:translateY(-2px) rotate(45deg);margin-left:2px}
.lang[open] summary::after{transform:translateY(1px) rotate(225deg)}
.lang ul{position:absolute;right:0;top:calc(100% + 8px);list-style:none;margin:0;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-width:190px;box-shadow:0 12px 32px -12px var(--scrim);z-index:40}
.lang li a{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:15px}
.lang li a b{font:500 12px var(--f-mono);color:var(--muted);width:22px}
.lang li a:hover{background:var(--bg)}
.lang li a[aria-current]{background:var(--accent-soft);color:var(--accent)}
.lang li a[aria-current] b{color:var(--accent)}

/* burger */
.burger{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:16px;height:1.8px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-5px}.burger span::after{top:5px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(5px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-5px) rotate(-45deg)}
@media (max-width:1020px){
  .burger{display:inline-flex}
  .bar-right{margin-left:auto}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));box-shadow:0 18px 30px -20px var(--scrim)}
  nav.main.open{display:flex}
  nav.main a{padding:12px 0;font-size:17px;color:var(--ink);border-bottom:1px solid var(--line)}
  nav.main a:last-child{border-bottom:0}
}
@media (max-width:460px){.bar-right .btn-sm{display:none}.bar{gap:12px}}

/* hero */
.hero{padding-block:56px 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:20px;min-width:0}
.hero h1{font-size:clamp(28px,4.6vw,54px);letter-spacing:-.02em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.scheme{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px 18px 14px;min-width:0;margin:0}
.scheme svg{display:block;width:100%;height:auto}
.scheme .s-mobile{display:none}
.scheme figcaption{font-family:var(--f-mono);font-size:12px;color:var(--muted);border-top:1px dashed var(--line);margin-top:10px;padding-top:10px}
.s-node{fill:var(--surface);stroke:var(--line);stroke-width:1.5}
.s-node.pbx{fill:var(--accent-soft);stroke:var(--accent)}
.s-label{fill:var(--ink);font:600 13px var(--f-body)}
.s-sub{fill:var(--muted);font:500 11px var(--f-mono)}
.s-path{fill:none;stroke:var(--line);stroke-width:1.6}
.s-path.hot{stroke:var(--accent);stroke-width:1.8}
.s-dot{fill:var(--signal-dot)}
.s-ppl{fill:var(--accent)}
.s-code{fill:var(--ink);font:500 13px var(--f-mono)}
.s-iso{fill:var(--muted);font:500 10.5px var(--f-mono);letter-spacing:.06em}
.s-pill{fill:var(--bg);stroke:var(--line)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero{padding-block:36px 48px}}
@media (max-width:620px){.scheme .s-desk{display:none}.scheme .s-mobile{display:block}.scheme{padding:14px 12px 12px}}

section{padding-block:72px}
section.alt{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{display:flex;flex-direction:column;gap:12px;margin-bottom:36px}
@media (max-width:620px){section{padding-block:52px}.sec-head{margin-bottom:26px}}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:48px}
.about-grid .sec-head{margin:0}
.about-text{display:flex;flex-direction:column;gap:16px;font-size:17px;min-width:0}
.about-text p+p{color:var(--muted)}
.stack{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.stack-label{font-size:13px;color:var(--muted);font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--f-mono);font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg)}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:20px}}

/* services as hops */
.hops{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.hop{display:flex;flex-direction:column;gap:10px;padding:28px 28px 30px 0;border-bottom:1px solid var(--line);min-width:0}
.hop:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid var(--line)}
.hop-tag{display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12px;color:var(--accent);font-weight:500;letter-spacing:.08em}
.hop-tag::before{content:"";width:9px;height:9px;border-radius:50%;border:2px solid var(--accent);background:var(--bg)}
.hop p{color:var(--muted);font-size:15px}
@media (max-width:900px){.hops{grid-template-columns:repeat(2,1fr)}.hop:not(:nth-child(3n+1)){padding-left:0;border-left:0}.hop{padding-right:24px}.hop:nth-child(2n){padding-left:24px;border-left:1px solid var(--line)}}
@media (max-width:560px){.hops{grid-template-columns:1fr}.hop:nth-child(2n){padding-left:0;border-left:0}.hop{padding-right:0;padding-block:22px}}

/* process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;counter-reset:s}
.steps::before{content:"";position:absolute;left:14px;right:14px;top:14px;height:2px;background:repeating-linear-gradient(90deg,var(--accent) 0 8px,transparent 8px 14px);opacity:.55}
.step{position:relative;display:flex;flex-direction:column;gap:8px;min-width:0}
.step-n{counter-increment:s;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font:600 13px var(--f-mono);position:relative}
.step-n::after{content:counter(s)}
.step h3{margin-top:8px}
.step p{color:var(--muted);font-size:15px}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:22px}.steps::before{right:auto;bottom:14px;width:2px;height:auto;background:repeating-linear-gradient(180deg,var(--accent) 0 8px,transparent 8px 14px)}.step{padding-left:46px}.step-n{position:absolute;left:0;top:0}.step h3{margin-top:3px}}

/* coverage */
.geo-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.geo-grid .sec-head{margin:0}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:15px}
th{font:500 12px var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--bg)}
td{padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
.iso{display:inline-block;font:500 11px var(--f-mono);letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:2px 6px;margin-right:10px;min-width:30px;text-align:center}
.code{font-family:var(--f-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;padding:4px 11px;border-radius:999px;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.pill.ok{background:var(--accent-soft);color:var(--accent)}
.pill.req{background:var(--signal-soft);color:var(--signal)}
@media (max-width:860px){.geo-grid{grid-template-columns:1fr;gap:24px}}
@media (max-width:480px){td,th{padding:12px}.iso{display:none}}

/* faq */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-grid .sec-head{margin:0}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;font-weight:600;font-size:16.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);background:linear-gradient(var(--accent),var(--accent)) center/10px 1.8px no-repeat,linear-gradient(var(--accent),var(--accent)) center/1.8px 10px no-repeat}
.faq details[open] summary::after{background:linear-gradient(var(--accent),var(--accent)) center/10px 1.8px no-repeat;border-color:var(--accent)}
.faq details p{color:var(--muted);padding:0 38px 20px 0;max-width:68ch}
@media (max-width:860px){.faq-grid{grid-template-columns:1fr;gap:20px}}

/* form */
.form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.form-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:96px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}
section.alt .panel{background:var(--bg)}
form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field.full{grid-column:1/-1}
label,.legend{font-size:14px;font-weight:600}
.opt{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],select.inp,textarea{width:100%;font:400 16px var(--f-body);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px 13px;transition:border-color .15s}
textarea{min-height:120px;resize:vertical}
select.inp{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
input:focus,select.inp:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.invalid input,.invalid select.inp,.invalid textarea{border-color:var(--danger)}
.err{font-size:13px;color:var(--danger)}
.err:empty{display:none}
fieldset{border:0;margin:0;padding:0;min-width:0}
.geo-picks{display:flex;flex-wrap:wrap;gap:8px;margin-top:7px}
.geo-picks label{position:relative;display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:14px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 13px;cursor:pointer;user-select:none;-webkit-user-select:none}
.geo-picks input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.geo-picks .iso{margin:0;border:0;padding:0;min-width:0}
.geo-picks label:has(input:checked){background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.geo-picks label:has(input:checked) .iso{color:var(--accent)}
.geo-picks label:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;color:var(--muted);cursor:pointer}
.consent input{margin-top:4px;accent-color:var(--accent);width:16px;height:16px;flex:none}
.consent-link{font-size:13px;color:var(--muted);margin-left:26px}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-foot{grid-column:1/-1;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.form-msg{font-size:14px;color:var(--danger)}
.form-msg:empty{display:none}
.success{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.success-mark{width:46px;height:46px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center}
.success h3{font-family:var(--f-display);font-size:22px}
.success p{color:var(--muted)}
.req-id{font-family:var(--f-mono);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1px 7px;white-space:nowrap}
@media (max-width:860px){.form-grid{grid-template-columns:1fr;gap:24px}.form-side{position:static}}
@media (max-width:560px){form{grid-template-columns:1fr}.panel{padding:20px}}

/* contacts */
.contact-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:16px}
.c-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.c-label{font:500 12px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.c-val{font-size:18px;font-weight:600;overflow-wrap:anywhere}
.c-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.c-actions a,.c-actions button{font:500 13px var(--f-body);color:var(--accent);background:none;border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer;text-decoration:none}
.c-actions a:hover,.c-actions button:hover{border-color:var(--accent)}
.hours{background:var(--accent-soft);border-color:transparent}
.hours .c-val{font-size:17px;font-variant-numeric:tabular-nums}
.hours-sub{font-size:14px;color:var(--muted)}
.status{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;font-weight:500;margin-top:auto;padding-top:6px}
.status i{flex:none;width:8px;height:8px;margin-top:6px;border-radius:50%;background:var(--muted)}
.status.on i{background:var(--accent);box-shadow:0 0 0 4px var(--surface)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr 1fr}.hours{grid-column:1/-1}}
@media (max-width:560px){.contact-grid{grid-template-columns:1fr}}

/* footer */
footer.site{border-top:1px solid var(--line);padding-block:28px}
.foot{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted)}
.foot nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot a{color:var(--muted)}

/* text pages: privacy, 404 */
.doc{padding-block:56px 80px}
.doc-inner{max-width:720px;display:flex;flex-direction:column;gap:18px}
.doc h1{font-size:clamp(28px,4vw,42px);letter-spacing:-.02em}
.doc h2{font-size:20px;margin-top:18px}
.doc p{color:var(--muted);font-size:16.5px}
.doc .updated{font:500 13px var(--f-mono);color:var(--muted)}
.nf-langs{display:flex;flex-wrap:wrap;gap:8px}