:root{
  --ease:cubic-bezier(.77,0,.18,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --dur:850ms;
  --ink:#0e141c;
  --pad:clamp(24px,3.4vw,56px);
  --fg:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:#0b121c;color:#fff;font-family:"Onest",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
body[data-theme="light"]{--fg:var(--ink)}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:30;display:flex;align-items:center;gap:40px;padding:26px var(--pad);color:var(--fg);transition:color .6s var(--ease)}
.brand{display:flex;align-items:center;gap:14px;margin-right:auto}
.brand__mark{width:22px;height:25px}
.brand__word{font-weight:600;font-size:13px;letter-spacing:.34em;text-transform:uppercase}
.nav{display:flex;gap:30px;font-size:13.5px;font-weight:500}
.nav a{opacity:.92;transition:opacity .3s}
.nav a:hover{opacity:.6}
.pill{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:999px;background:#fff;color:var(--ink);font-size:14px;font-weight:500;white-space:nowrap;transition:transform .35s var(--ease-out),background .5s,color .5s,box-shadow .35s;box-shadow:0 6px 24px rgba(0,0,0,.12)}
.pill:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.pill--hdr{height:40px;padding:0 22px;font-size:13px}
body[data-theme="light"] .pill--hdr{background:var(--ink);color:#fff}
.pill--dark{background:var(--ink);color:#fff}
.pill--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(14,20,28,.2)}
.pill--wide{width:100%}
.burger{display:none}

/* ---------- stage ---------- */
.stage{position:fixed;inset:0;overflow:hidden;transition:transform var(--dur) var(--ease),filter var(--dur)}
.bgs{position:absolute;inset:0}
.bg{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat;opacity:0;transform:scale(1.06);transition:opacity 1s var(--ease),transform 7s linear;will-change:opacity,transform}
.bg.on{opacity:1;transform:scale(1);z-index:1}
.bg.was{transform:scale(1.02)}
/* scrims: left text side readability */
.veil{position:absolute;inset:0;z-index:2;pointer-events:none;transition:background 1s var(--ease)}
body[data-theme="dark"] .veil{background:linear-gradient(90deg,rgba(6,10,18,.62) 0%,rgba(6,10,18,.28) 38%,rgba(6,10,18,0) 62%),linear-gradient(0deg,rgba(6,10,18,.45) 0%,rgba(6,10,18,0) 30%),linear-gradient(180deg,rgba(6,10,18,.35) 0%,rgba(6,10,18,0) 18%)}
body[data-theme="light"] .veil{background:linear-gradient(90deg,rgba(255,255,255,.72) 0%,rgba(255,255,255,.4) 36%,rgba(255,255,255,0) 60%),linear-gradient(180deg,rgba(255,255,255,.35) 0%,rgba(255,255,255,0) 18%)}

/* ---------- slide copy ---------- */
.slide{position:absolute;inset:0;z-index:5;display:flex;align-items:center;padding:0 var(--pad);pointer-events:none;color:var(--fg)}
.slide.on{pointer-events:auto}
.copy{max-width:min(1000px,70vw);margin-top:-2vh}
.slide .copy>*{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-out),transform .9s var(--ease-out)}
.slide.on .copy>*{opacity:1;transform:none}
.slide.on .copy>.lead{opacity:.8}
.slide.on .copy>:nth-child(1){transition-delay:.25s}
.slide.on .copy>:nth-child(2){transition-delay:.33s}
.slide.on .copy>:nth-child(3){transition-delay:.45s}
.slide.on .copy>:nth-child(4){transition-delay:.55s}
.slide.off .copy>*{transition-duration:.35s;transition-delay:0s;transform:translateY(-12px)}

.eyebrow{display:flex;align-items:center;gap:14px;font-size:11.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;margin-bottom:26px}
.num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid currentColor;font-size:11px;letter-spacing:.04em;opacity:.9}
.title{display:flex;flex-direction:column;font-size:clamp(40px,4.4vw,80px);line-height:1;letter-spacing:-.035em;font-weight:700;margin-bottom:26px}
.title span{white-space:nowrap}
.title .thin{font-weight:300;opacity:.92;letter-spacing:-.03em;margin-top:.04em}
.lead{font-size:clamp(15px,1.12vw,18px);line-height:1.5;opacity:.78;max-width:440px;margin-bottom:38px;font-weight:400}
.row{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hint{font-size:13.5px;font-weight:500;opacity:.88;display:inline-flex;gap:8px;align-items:center}
.hint i{font-style:normal;transition:transform .4s var(--ease-out)}
.hint:hover i{transform:translateX(4px)}
.chip{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 18px 0 12px;border-radius:999px;font-size:13px;font-weight:500;background:rgba(10,16,26,.38);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.16)}
.chip b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.18);font-size:10px}
body[data-theme="light"] .chip{background:rgba(255,255,255,.55);border-color:rgba(14,20,28,.1)}
body[data-theme="light"] .chip b{background:var(--ink);color:#fff}
body[data-theme="light"] .slide .pill{background:var(--ink);color:#fff}

/* ---------- stepper ---------- */
.stepper{position:absolute;z-index:20;left:var(--pad);bottom:clamp(22px,3.4vh,40px);display:flex;padding:5px;border-radius:999px;background:rgba(10,16,26,.5);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid rgba(255,255,255,.1)}
.stepper button{position:relative;z-index:1;height:36px;padding:0 20px;font-size:13px;font-weight:500;color:rgba(255,255,255,.78);border-radius:999px;transition:color .5s var(--ease)}
.stepper button:hover{color:#fff}
.stepper button.on{color:var(--ink)}
.stepper__ind{position:absolute;top:5px;left:0;height:36px;width:80px;border-radius:999px;background:#fff;transition:transform .8s var(--ease),width .8s var(--ease);box-shadow:0 4px 14px rgba(0,0,0,.18)}
.counter{position:absolute;z-index:20;right:var(--pad);bottom:clamp(30px,4.2vh,50px);font-size:12px;letter-spacing:.2em;color:var(--fg);opacity:.6;transition:color .6s}

/* ---------- facade sign (slide 05) ---------- */
.facade-sign{position:absolute;display:flex;align-items:center;gap:.5em;left:var(--sign-x,47%);top:var(--sign-y,86%);font-size:var(--sign-size,clamp(16px,1.5vw,28px));font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:#1d2a37;text-shadow:0 1px 0 rgba(255,255,255,.4)}
.facade-sign svg{width:1.05em;height:1.2em}

/* ---------- info panel ---------- */
.panel{position:fixed;inset:0;z-index:25;background:#f3f4f2;color:var(--ink);transform:translateY(100%);transition:transform var(--dur) var(--ease);overflow-y:auto;overscroll-behavior:contain}
body.panel-open .panel{transform:none}
body.panel-open .stage{transform:translateY(-14vh);filter:brightness(.6)}
body.panel-open{--fg:var(--ink)}
body.panel-open .pill--hdr{background:var(--ink);color:#fff}
.panel__in{max-width:1320px;margin:0 auto;padding:130px var(--pad) 40px}
.blk{padding:20px 0 80px}
.eyebrow--dark{color:var(--ink)}
.title--dark{color:var(--ink)}
.svc{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px;margin-top:26px;border-top:1px solid rgba(14,20,28,.12)}
.svc li{display:flex;gap:18px;align-items:baseline;padding:26px 0;border-bottom:1px solid rgba(14,20,28,.12);font-size:clamp(17px,1.4vw,22px);font-weight:500;letter-spacing:-.01em}
.svc li span{font-size:11px;letter-spacing:.14em;opacity:.45}
.svc-note{margin-top:28px;max-width:640px;font-size:15px;line-height:1.6;opacity:.65}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stats b{display:block;font-size:clamp(44px,5vw,80px);font-weight:700;letter-spacing:-.04em;line-height:1}
.stats span{display:block;margin-top:10px;font-size:14px;opacity:.6}
.about{margin-top:48px;max-width:860px;font-size:clamp(17px,1.35vw,21px);line-height:1.55;font-weight:400;opacity:.85}
.blk--contacts{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start;border-top:1px solid rgba(14,20,28,.12);padding-top:70px}
.cts{display:grid;grid-template-columns:1fr 1fr;gap:34px 40px}
.cts dt{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;opacity:.45;margin-bottom:10px}
.cts dd{font-size:18px;line-height:1.55;font-weight:500}
.cts dd small{font-size:14px;opacity:.55;font-weight:400}
.cts a{border-bottom:1px solid rgba(14,20,28,.18);transition:border-color .3s}
.cts a:hover{border-color:var(--ink)}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(14,20,28,.12);font-size:12.5px;opacity:.55}

/* ---------- responsive ---------- */
@media (min-width:1800px){.copy{max-width:1100px}.lead{max-width:500px}}
@media (max-width:1080px){.nav{gap:22px}.hdr{gap:26px}}
@media (max-width:860px){
  :root{--pad:20px}
  .hdr{padding:16px var(--pad);gap:12px}
  .brand__word{font-size:12px;letter-spacing:.28em}
  .nav{position:fixed;inset:0;z-index:-1;flex-direction:column;justify-content:center;gap:22px;padding:0 28px;font-size:34px;font-weight:600;letter-spacing:-.02em;background:rgba(8,12,20,.92);backdrop-filter:blur(16px);color:#fff;opacity:0;pointer-events:none;transition:opacity .45s var(--ease-out)}
  body.menu-open .nav{opacity:1;pointer-events:auto}
  body.menu-open .hdr{color:#fff}
  .burger{display:grid;gap:6px;width:42px;height:42px;place-content:center;border-radius:50%;background:rgba(255,255,255,.16);backdrop-filter:blur(10px)}
  body[data-theme="light"] .burger,body.panel-open .burger{background:rgba(14,20,28,.08)}
  .burger span{display:block;width:18px;height:1.5px;background:currentColor;transition:transform .4s var(--ease-out)}
  body.menu-open .burger span:first-child{transform:translateY(3.75px) rotate(45deg)}
  body.menu-open .burger span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
  .slide{align-items:flex-end;padding-bottom:104px}
  .copy{max-width:100%;margin:0}
  .title{font-size:clamp(32px,9.6vw,52px);margin-bottom:16px}
  .title span{white-space:normal}
  .eyebrow{margin-bottom:18px;font-size:10.5px}
  .num{width:32px;height:32px}
  .lead{font-size:15px;margin-bottom:22px;max-width:none}
  .row{gap:16px}
  .pill{height:46px;padding:0 24px}
  body[data-theme="dark"] .veil{background:linear-gradient(0deg,rgba(6,10,18,.88) 0%,rgba(6,10,18,.55) 38%,rgba(6,10,18,0) 66%),linear-gradient(180deg,rgba(6,10,18,.45) 0%,rgba(6,10,18,0) 16%)}
  body[data-theme="light"] .veil{background:linear-gradient(0deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.62) 40%,rgba(255,255,255,0) 68%),linear-gradient(180deg,rgba(255,255,255,.5) 0%,rgba(255,255,255,0) 16%)}
  .bg{background-position:var(--mpos,62% center)}
  .stepper{left:var(--pad);right:var(--pad);bottom:max(18px,env(safe-area-inset-bottom));justify-content:space-between}
  .stepper button{padding:0 10px;font-size:12px;flex:1}
  .counter{display:none}
  .facade-sign{display:none}
  .svc{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:30px 20px}
  .blk--contacts{grid-template-columns:1fr;gap:40px}
  .cts{grid-template-columns:1fr}
  .panel__in{padding-top:96px}
}

/* ---------- long-scroll content (v3) ---------- */
body.panel-open .hdr{transition:color .6s var(--ease),background .4s,backdrop-filter .4s}
body.panel-open.panel-scrolled .hdr{background:rgba(243,244,242,.82);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:0 1px 0 rgba(14,20,28,.08);padding-top:16px;padding-bottom:16px}
.panel{-webkit-overflow-scrolling:touch}
.panel__in+.band,.band+.panel__in{margin-top:0}
.band+.panel__in{padding-top:100px}
.panel__in:not(:first-child){padding-top:100px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px 80px;align-items:end;margin-bottom:50px}
.split .title{margin-bottom:0}
.split--faq,.split--top{align-items:start}
.split .title span{white-space:normal}
.intro{font-size:clamp(16px,1.2vw,19px);line-height:1.6;opacity:.72;max-width:620px}
.intro--light{color:#fff;opacity:.72}
.blk--contacts .intro{margin:-6px 0 30px;font-size:16px}
.prose p{font-size:clamp(15.5px,1.12vw,18px);line-height:1.65;opacity:.78;max-width:640px}
.prose p+p{margin-top:16px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{position:relative;background:#fff;border-radius:26px;padding:34px 34px 30px;box-shadow:0 1px 0 rgba(14,20,28,.04),0 20px 50px -30px rgba(14,20,28,.25);transition:transform .5s var(--ease-out),box-shadow .5s}
.card:hover{transform:translateY(-3px);box-shadow:0 1px 0 rgba(14,20,28,.04),0 30px 60px -30px rgba(14,20,28,.35)}
.card__n{font-size:11px;letter-spacing:.18em;font-weight:600;opacity:.4}
.card__t{margin:16px 0 14px;font-size:clamp(21px,1.7vw,28px);font-weight:600;letter-spacing:-.025em;line-height:1.12}
.card__d{font-size:15px;line-height:1.62;opacity:.7}
.ticks{list-style:none;margin-top:22px;padding-top:20px;border-top:1px solid rgba(14,20,28,.09);display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;font-size:14px;line-height:1.45;font-weight:500}
.ticks li::before{content:"";position:absolute;left:0;top:.28em;width:14px;height:14px;border-radius:50%;background:var(--ink)}
.ticks li::after{content:"";position:absolute;left:4.5px;top:calc(.28em + 3.5px);width:3px;height:6px;border:solid #fff;border-width:0 1.5px 1.5px 0;transform:rotate(45deg)}
.aud{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(14,20,28,.12)}
.aud__i{padding:28px 26px 30px 0;border-bottom:1px solid rgba(14,20,28,.12)}
.aud__i h3{font-size:18px;font-weight:600;letter-spacing:-.015em;margin-bottom:10px}
.aud__i p{font-size:14.5px;line-height:1.55;opacity:.62}
.band{background:#0b121c;color:#fff;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 85% 0%,rgba(90,120,160,.22),transparent 60%);pointer-events:none}
.band--map::before{background:radial-gradient(70% 70% at 10% 100%,rgba(90,120,160,.2),transparent 60%),url(../img/s4.jpg) center/cover;opacity:.12}
.band__in{position:relative;max-width:1320px;margin:0 auto;padding:110px var(--pad) 110px}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px;counter-reset:s}
.step{padding:30px 0 34px;border-top:1px solid rgba(255,255,255,.14)}
.step__n{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.5);font-size:11px;letter-spacing:.04em}
.step h3{margin:20px 0 10px;font-size:22px;font-weight:600;letter-spacing:-.02em}
.step p{font-size:15px;line-height:1.6;opacity:.66;max-width:380px}
.reqs{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.reqs li{background:#fff;border-radius:22px;padding:26px 24px}
.reqs b{display:block;font-size:20px;font-weight:600;letter-spacing:-.02em;margin-bottom:10px}
.reqs span{font-size:14px;line-height:1.5;opacity:.62}
.blk--about .stats{margin:10px 0 50px;padding:40px 0;border-top:1px solid rgba(14,20,28,.12);border-bottom:1px solid rgba(14,20,28,.12)}
.reg{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 40px}
.reg dt,.cts dt{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;opacity:.45;margin-bottom:8px}
.reg dd{font-size:16.5px;line-height:1.5;font-weight:500}
.cities{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.cities li{height:42px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.cities li:first-child{background:#fff;color:var(--ink);border-color:#fff}
.cities li.more{background:none;border-style:dashed;opacity:.7}
.faq{border-top:1px solid rgba(14,20,28,.12)}
.qa{border-bottom:1px solid rgba(14,20,28,.12)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;align-items:center;padding:24px 0;font-size:clamp(17px,1.3vw,20px);font-weight:500;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary i{flex:none;position:relative;width:34px;height:34px;border-radius:50%;border:1px solid rgba(14,20,28,.2);transition:transform .45s var(--ease-out),background .3s}
.qa summary i::before,.qa summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:currentColor;transform:translate(-50%,-50%)}
.qa summary i::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .45s var(--ease-out)}
.qa[open] summary i{background:var(--ink);color:#fff;border-color:var(--ink)}
.qa[open] summary i::after{transform:translate(-50%,-50%) rotate(0)}
.qa p{padding:0 60px 26px 0;font-size:15.5px;line-height:1.65;opacity:.72;max-width:760px}
.blk--seo{border-top:1px solid rgba(14,20,28,.12);padding-top:70px}
.seo__h{font-size:clamp(24px,2vw,34px);font-weight:600;letter-spacing:-.025em;margin-bottom:28px}
.seo{columns:2;column-gap:60px}
.seo p{break-inside:avoid;font-size:15px;line-height:1.7;opacity:.66;margin-bottom:18px}
.row--cta{gap:14px}
.foot{align-items:center}
.foot__top{font-size:12.5px;font-weight:500;opacity:1}
@media (max-width:1180px){.aud{grid-template-columns:repeat(2,1fr)}.reqs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){
  body.panel-open.panel-scrolled .hdr{padding-top:12px;padding-bottom:12px}
  .split{grid-template-columns:1fr;gap:20px;margin-bottom:32px}
  .cards{grid-template-columns:1fr;gap:14px}
  .card{padding:26px 22px 24px;border-radius:22px}
  .aud{grid-template-columns:1fr}
  .aud__i{padding:22px 0}
  .band__in{padding:76px var(--pad)}
  .steps{grid-template-columns:1fr}
  .step{padding:24px 0}
  .reqs{grid-template-columns:1fr 1fr;gap:12px}
  .reqs li{padding:20px 18px}
  .reg{grid-template-columns:1fr;gap:20px}
  .band+.panel__in,.panel__in:not(:first-child){padding-top:70px}
  .blk{padding-bottom:60px}
  .qa p{padding-right:0}
  .seo{columns:1}
  .cities li{height:38px;padding:0 14px;font-size:13px}
  .row--cta .pill{width:100%}
}

/* ---------- v4: 7 service cards, consent, footer links ---------- */
.cards .card:last-child:nth-child(odd){grid-column:1/-1}
.cards .card:last-child:nth-child(odd) .ticks{grid-template-columns:1fr 1fr;gap:10px 40px}
.foot__links{display:inline-flex;gap:22px;align-items:center}
.foot__links a{border-bottom:1px solid rgba(14,20,28,.25)}
.ico-tel{width:17px;height:17px;margin-right:10px;flex:none}
.pill--hdr .ico-tel{width:15px;height:15px;margin-right:8px}
.pill--call{gap:0}
@media (max-width:860px){.cards .card:last-child:nth-child(odd) .ticks{grid-template-columns:1fr}.foot__links{gap:16px;flex-wrap:wrap}
  .pill--hdr{display:inline-flex;width:42px;height:42px;padding:0;border-radius:50%;background:rgba(255,255,255,.16);color:inherit;box-shadow:none;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
  .pill--hdr span{display:none}.pill--hdr .ico-tel{margin:0;width:18px;height:18px}
  body[data-theme="light"] .pill--hdr,body.panel-open .pill--hdr{background:rgba(14,20,28,.08);color:var(--ink)}
  body.menu-open .pill--hdr{color:#fff;background:rgba(255,255,255,.16)}
  .row--cta .pill{width:100%}}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}