/* ─── токени ─────────────────────────────────────────────── */
:root{
  --ink:#05060f;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.11);
  --line-soft:rgba(255,255,255,.06);
  --fog:rgba(224,230,252,.62);
  --paper:#f2f4fb;
  --signal:#4d9fff;
  --signal-2:#8b5cf6;
  --on-signal:#fff;
  --glass:rgba(8,10,24,.6);
  --spot:rgba(120,160,255,.14);
  --aurora-opacity:.55;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 20px 50px rgba(0,0,0,.35);
  color-scheme:dark;
}
[data-theme="light"]{
  --ink:#f3f5fc;
  --surface:rgba(255,255,255,.72);
  --surface-2:rgba(255,255,255,.9);
  --line:rgba(16,18,43,.12);
  --line-soft:rgba(16,18,43,.07);
  --fog:#5b6172;
  --paper:#10122b;
  --signal:#2563eb;
  --signal-2:#7c3aed;
  --on-signal:#fff;
  --glass:rgba(246,248,255,.65);
  --spot:rgba(37,99,235,.09);
  --aurora-opacity:.3;
  --shadow-card:0 1px 2px rgba(16,18,43,.04), 0 12px 32px rgba(16,18,43,.07);
  color-scheme:light;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--ink);color:var(--paper);
  font:16px/1.65 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  min-height:100vh;overflow-x:hidden;text-wrap:pretty;
  transition:background .4s ease,color .4s ease;
}
::selection{background:var(--signal);color:#fff}
a{color:var(--signal);text-decoration:none}
a:hover{text-decoration:underline}
:where(a,button):focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;font-weight:500;text-wrap:balance}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:88px}

/* ─── скрол-прогрес (scroll-driven animation + JS-фолбек) ── */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;
  background:linear-gradient(90deg,var(--signal),var(--signal-2));
  transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline: scroll()){
  .progress{animation:grow linear both;animation-timeline:scroll(root)}
  @keyframes grow{to{transform:scaleX(1)}}
}

/* ─── aurora-фон + зерно ─────────────────────────────────── */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg .a{position:absolute;border-radius:50%;filter:blur(90px);opacity:var(--aurora-opacity);
  transition:opacity .4s ease}
.bg .a1{width:60vw;height:60vw;min-width:560px;min-height:560px;right:-18vw;top:-24vh;
  background:radial-gradient(circle at 35% 35%,#2b6ed1 0%,#0b2350 55%,transparent 75%)}
.bg .a2{width:44vw;height:44vw;min-width:420px;min-height:420px;left:-14vw;top:32vh;
  background:radial-gradient(circle at 60% 40%,#5b2fd1 0%,#20124d 55%,transparent 75%)}
.bg .a3{width:38vw;height:38vw;min-width:380px;min-height:380px;right:6vw;bottom:-20vh;
  background:radial-gradient(circle at 50% 50%,#0f6b8f 0%,transparent 70%)}
@media (prefers-reduced-motion:no-preference){
  .bg .a{animation:drift 26s ease-in-out infinite alternate}
  .bg .a2{animation-duration:34s;animation-delay:-8s}
  .bg .a3{animation-duration:30s;animation-delay:-16s}
  @keyframes drift{to{transform:translate(4vw,-3vh) rotate(12deg) scale(1.08)}}
}
.bg .grain{position:absolute;inset:0;opacity:.05;mix-blend-mode:overlay;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ─── шапка ──────────────────────────────────────────────── */
.header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;
  background:transparent;transition:background .3s ease,border-color .3s ease;
  backdrop-filter:blur(0px);-webkit-backdrop-filter:blur(0px)}
.header.scrolled{background:var(--glass);border-color:var(--line-soft);
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:8px 18px;
  flex-wrap:wrap;min-height:44px;padding-top:12px;padding-bottom:12px}
.logo{font-family:'JetBrains Mono',ui-monospace,monospace;font-weight:600;font-size:15px;
  color:var(--paper);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo em{font-style:normal;background:linear-gradient(90deg,var(--signal),var(--signal-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.links{display:flex;gap:6px 20px;align-items:center;flex-wrap:wrap;font-size:14px}
.links>a{color:var(--fog);padding:4px 2px;position:relative}
.links>a::after{content:'';position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--signal);transition:right .25s ease}
.links>a:hover{color:var(--paper);text-decoration:none}
.links>a:hover::after{right:0}
.seg{display:flex;border-radius:10px;overflow:hidden;background:var(--surface);
  box-shadow:inset 0 0 0 1px var(--line)}
.seg button{border:none;cursor:pointer;font:13px 'Inter',sans-serif;padding:6px 12px;
  background:transparent;color:var(--fog);transition:background .2s,color .2s}
.seg button.on{background:linear-gradient(135deg,var(--signal),var(--signal-2));
  color:var(--on-signal);font-weight:600}
.chip{border:none;border-radius:10px;cursor:pointer;font-size:13px;padding:6px 11px;
  background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--fog);
  display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.chip:hover{color:var(--paper)}
.chip svg{width:15px;height:15px}
[data-theme="dark"] .icon-sun{display:none}
[data-theme="light"] .icon-moon{display:none}

/* ─── герой ──────────────────────────────────────────────── */
.hero{display:flex;flex-wrap:wrap;gap:56px;align-items:center;
  padding-top:clamp(64px,10vh,120px);padding-bottom:72px}
.hero-txt{flex:1 1 460px;min-width:0}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:999px;
  background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);
  font:12.5px 'JetBrains Mono',monospace;color:var(--fog);margin-bottom:26px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:#34d399;
  box-shadow:0 0 0 0 rgba(52,211,153,.6)}
@media (prefers-reduced-motion:no-preference){
  .badge .dot{animation:pulse 2.2s ease-out infinite}
  @keyframes pulse{70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
}
h1{font-size:clamp(42px,6.4vw,78px);line-height:1.02;letter-spacing:-.045em;font-weight:500}
h1 em{font-style:normal;background:linear-gradient(92deg,var(--signal) 10%,var(--signal-2) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:24px;color:var(--fog);font-size:clamp(16px,1.6vw,18px);max-width:50ch}
.cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:12px;
  font-size:14px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-main{color:#fff;background:linear-gradient(135deg,var(--signal) 0%,var(--signal-2) 110%);
  box-shadow:0 10px 34px color-mix(in srgb,var(--signal) 42%,transparent),
             inset 0 1px 0 rgba(255,255,255,.35)}
.btn-main:hover{filter:brightness(1.1);
  box-shadow:0 14px 44px color-mix(in srgb,var(--signal) 55%,transparent),
             inset 0 1px 0 rgba(255,255,255,.35)}
.btn-ghost{color:var(--paper);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--fog)}
.facts{margin-top:34px;display:flex;gap:8px 22px;flex-wrap:wrap;
  font:12.5px 'JetBrains Mono',monospace;color:var(--fog)}
.facts b{color:var(--paper);font-weight:500}

/* ─── термінал ───────────────────────────────────────────── */
.term{flex:1 1 380px;min-width:0;container-type:inline-size;border-radius:16px;
  background:rgba(5,8,18,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.1),0 30px 70px rgba(0,0,0,.45);
  font-family:'JetBrains Mono',ui-monospace,monospace;position:relative;overflow:hidden}
.term::before{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,rgba(77,159,255,.5),transparent 35%,transparent 65%,rgba(139,92,246,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.term-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;
  border-bottom:1px solid rgba(255,255,255,.07)}
.term-bar span{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.14)}
.term-bar span:nth-child(1){background:#ff5f57}
.term-bar span:nth-child(2){background:#febc2e}
.term-bar span:nth-child(3){background:#28c840}
.term-bar em{margin-left:auto;font:11px 'JetBrains Mono',monospace;font-style:normal;
  color:rgba(255,255,255,.35)}
.term-body{padding:18px 20px;line-height:1.8;min-height:270px;
  font-size:clamp(11px,3cqw,13.5px);color:#e8ecff}
.term-body div{white-space:pre-wrap}
.term-body .c{color:rgba(232,236,255,.45)}
.term-body .k{color:#4d9fff}
.term-body .p{color:#a7f3d0}
.term-body .v{color:#c4b5fd}
.cursor{display:inline-block;width:8px;height:16px;background:#4d9fff;vertical-align:-3px}
@media (prefers-reduced-motion:no-preference){
  .cursor{animation:blink 1s steps(1) infinite}
  @keyframes blink{50%{opacity:0}}
}

/* ─── біжучий рядок стеку ────────────────────────────────── */
.marquee{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  overflow:hidden;padding:16px 0;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:44px;width:max-content;
  font:13px 'JetBrains Mono',monospace;color:var(--fog);white-space:nowrap}
.marquee-track span::after{content:'◆';margin-left:44px;font-size:7px;vertical-align:2px;
  color:color-mix(in srgb,var(--signal) 55%,transparent)}
@media (prefers-reduced-motion:no-preference){
  .marquee-track{animation:scrollx 36s linear infinite}
  @keyframes scrollx{to{transform:translateX(-50%)}}
}

/* ─── секції ─────────────────────────────────────────────── */
section .wrap{padding-top:88px;padding-bottom:88px}
.eyebrow{font:12.5px 'JetBrains Mono',monospace;letter-spacing:.14em;text-transform:uppercase;
  color:var(--signal);margin-bottom:14px}
h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.03em;line-height:1.1;margin-bottom:12px}
.sub{color:var(--fog);max-width:62ch;margin-bottom:44px}

/* ─── bento + spotlight-картки ───────────────────────────── */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.bento .card:nth-child(1){grid-column:span 7}
.bento .card:nth-child(2){grid-column:span 5}
.bento .card:nth-child(3){grid-column:span 5}
.bento .card:nth-child(4){grid-column:span 7}
@media (max-width:840px){.bento .card{grid-column:1/-1 !important}}
.card{position:relative;background:var(--surface);border-radius:20px;padding:30px;min-width:0;
  box-shadow:var(--shadow-card),inset 0 0 0 1px var(--line-soft);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-3px);
  box-shadow:var(--shadow-card),inset 0 0 0 1px var(--line)}
.card::after{content:'';position:absolute;inset:0;border-radius:inherit;opacity:0;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),var(--spot),transparent 70%);
  transition:opacity .3s ease;pointer-events:none}
.card:hover::after{opacity:1}
.tag{font:12px 'JetBrains Mono',monospace;color:var(--signal)}
.card h3{font-size:19px;margin:12px 0 8px}
.card p{color:var(--fog);font-size:14.5px}
.card ul{margin-top:16px;list-style:none;display:flex;flex-direction:column;gap:7px}
.card li{color:var(--fog);font-size:13.5px;padding-left:18px;position:relative}
.card li::before{content:'›';position:absolute;left:0;color:var(--signal);font-weight:600}
.aud-label{display:block;margin-bottom:8px;font:11.5px 'JetBrains Mono',monospace;
  font-weight:500;letter-spacing:.14em;color:var(--signal)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:18px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}

/* ─── принципи ───────────────────────────────────────────── */
.num{display:flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;font:14px 'JetBrains Mono',monospace;font-weight:600;margin-bottom:16px;
  color:#fff;background:linear-gradient(135deg,var(--signal),var(--signal-2));
  box-shadow:0 6px 18px color-mix(in srgb,var(--signal) 35%,transparent)}
.card h4{font-size:16.5px;margin-bottom:8px}

/* ─── FAQ ────────────────────────────────────────────────── */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:36px;max-width:880px}
.faq-item{background:var(--surface);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-card),inset 0 0 0 1px var(--line-soft);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:16px;padding:19px 24px;
  font-family:'Space Grotesk','Inter',sans-serif;font-size:16.5px;font-weight:500}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;line-height:1;color:var(--signal);
  transition:transform .25s ease;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--signal)}
.faq-item p{padding:0 24px 20px;color:var(--fog);font-size:14.5px;max-width:75ch}

/* ─── контакт ────────────────────────────────────────────── */
.contact-card{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding:44px}
.contact-txt{flex:1.2 1 340px;min-width:0}
.contact-txt .sub{margin-bottom:0}
.mono{flex:1 1 280px;min-width:0;font:14px/2.1 'JetBrains Mono',monospace;
  display:flex;flex-direction:column}
.mono span{color:var(--fog)}

/* ─── футер ──────────────────────────────────────────────── */
.footer{border-top:1px solid var(--line-soft)}
.footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;
  padding-top:30px;padding-bottom:34px;color:var(--fog);
  font:12.5px 'JetBrains Mono',monospace}

/* ─── reveal-анімації появи ──────────────────────────────── */
@media (prefers-reduced-motion:no-preference){
  .rv{opacity:0;transform:translateY(22px);
    transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);
    transition-delay:var(--d,0s)}
  .rv.in{opacity:1;transform:none}
}

/* ─── view transition для теми ───────────────────────────── */
::view-transition-old(root),::view-transition-new(root){animation-duration:.45s}

/* ─── підсторінки послуг ─────────────────────────────────── */
.crumbs{position:relative;z-index:1;font:12.5px 'JetBrains Mono',monospace;color:var(--fog);padding-top:26px}
.crumbs a{color:var(--fog)}
.crumbs a:hover{color:var(--paper);text-decoration:none}
.crumbs em{font-style:normal;color:var(--signal);margin:0 6px}
.hero-page{position:relative;z-index:1;padding-top:clamp(36px,6vh,64px);padding-bottom:56px;max-width:820px}
.hero-page .lead{max-width:60ch}
.card-more{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:500}

/* ─── форма заявки ───────────────────────────────────────── */
.lead-form{flex:1 1 100%;display:flex;flex-direction:column;gap:12px;
  border-top:1px solid var(--line-soft);padding-top:26px;margin-top:6px}
.lead-form .lf-row{display:flex;gap:12px;flex-wrap:wrap}
.lead-form input,.lead-form textarea{flex:1 1 240px;min-width:0;width:100%;
  background:var(--surface);border:none;border-radius:12px;padding:13px 16px;
  box-shadow:inset 0 0 0 1px var(--line);color:var(--paper);
  font:14.5px 'Inter',sans-serif;resize:vertical}
.lead-form input::placeholder,.lead-form textarea::placeholder{color:var(--fog)}
.lead-form input:focus,.lead-form textarea:focus{outline:none;
  box-shadow:inset 0 0 0 2px var(--signal)}
.lead-form .lf-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.lead-form button{border:none;cursor:pointer;font-family:'Inter',sans-serif}
.lead-form button[disabled]{opacity:.6;cursor:wait}
.lf-status{font-size:13.5px;color:var(--fog)}
.lf-status.ok{color:#34d399}
.lf-status.err{color:#f87171}
.lf-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}