/* Big Tweak — styles.css (сгенерировано build.js) */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --ac:#2a6fff;
  --bt-root-grad:radial-gradient(900px 600px at 85% -5%, rgba(64,120,255,.16), transparent 60%),radial-gradient(800px 600px at 0% 100%, rgba(124,77,255,.14), transparent 60%),#07080f;
  --bt-fg:#e8eaf2;--bt-fgs:#fff;--bt-muted:#9aa0b6;--bt-muted2:#8b90a6;--bt-muted3:#7b8099;--bt-nav:#c3c7d6;--bt-navhover:rgba(255,255,255,.06);
  --bt-head:rgba(8,9,16,.72);--bt-border:rgba(255,255,255,.09);--bt-band:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  --bt-card:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));--bt-cardh:linear-gradient(160deg,rgba(120,140,255,.1),rgba(255,255,255,.02));
  --bt-chip:rgba(255,255,255,.07);--bt-chipb:rgba(255,255,255,.1);--bt-chiph:rgba(255,255,255,.12);--bt-menu:#11131f;--bt-rowb:rgba(255,255,255,.07);--bt-rown:#dadeec;
  --bt-water:rgba(255,255,255,.05);--bt-tabbg:rgba(255,255,255,.05);--bt-tabfg:#c3c7d6;--bt-tabb:rgba(255,255,255,.1);
  --bt-input:rgba(255,255,255,.05);--bt-inputb:rgba(255,255,255,.12);--bt-foot:rgba(8,9,16,.6);
  --bt-map:repeating-linear-gradient(135deg,#11131f,#11131f 12px,#161827 12px,#161827 24px);--bt-mapbadge:rgba(8,9,16,.7);
  --bt-gold:#ffb23e;--bt-gold-soft:rgba(255,178,46,.16);--bt-gold-line:rgba(255,178,46,.4);
  --bt-sh-sm:0 4px 16px -8px rgba(0,0,0,.55);--bt-sh-md:0 22px 48px -26px rgba(0,0,0,.75);
  --bt-sh-lift:0 30px 60px -28px rgba(42,111,255,.5);--bt-grad:linear-gradient(135deg,var(--ac),#7c4dff);
  --bt-ease:cubic-bezier(.22,1,.36,1);--bt-dot:rgba(255,255,255,.05);
}
html[data-theme="light"]{
  --bt-root-grad:radial-gradient(900px 600px at 85% -5%, rgba(64,120,255,.12), transparent 60%),radial-gradient(800px 600px at 0% 100%, rgba(124,77,255,.1), transparent 60%),#eef1f7;
  --bt-fg:#3c4252;--bt-fgs:#0b0e18;--bt-muted:#5b6175;--bt-muted2:#727892;--bt-muted3:#8a90a4;--bt-nav:#3c4252;--bt-navhover:rgba(18,24,48,.05);
  --bt-head:rgba(255,255,255,.82);--bt-border:rgba(18,24,48,.1);--bt-band:linear-gradient(180deg,rgba(18,24,48,.03),transparent);
  --bt-card:#fff;--bt-cardh:#f0f3ff;--bt-chip:rgba(18,24,48,.05);--bt-chipb:rgba(18,24,48,.12);--bt-chiph:rgba(18,24,48,.09);--bt-menu:#fff;--bt-rowb:rgba(18,24,48,.08);--bt-rown:#2a2f3c;
  --bt-water:rgba(18,24,48,.05);--bt-tabbg:#fff;--bt-tabfg:#3c4252;--bt-tabb:rgba(18,24,48,.12);
  --bt-input:#f3f4f8;--bt-inputb:rgba(18,24,48,.14);--bt-foot:rgba(245,246,250,.9);
  --bt-map:repeating-linear-gradient(135deg,#e7eaf2,#e7eaf2 12px,#dde1ec 12px,#dde1ec 24px);--bt-mapbadge:rgba(255,255,255,.82);
  --bt-gold:#d97706;--bt-gold-soft:rgba(217,119,6,.12);--bt-gold-line:rgba(217,119,6,.32);
  --bt-sh-sm:0 4px 16px -10px rgba(18,24,48,.2);--bt-sh-md:0 22px 48px -28px rgba(18,24,48,.24);
  --bt-sh-lift:0 26px 52px -28px rgba(42,111,255,.3);--bt-grad:linear-gradient(135deg,var(--ac),#7c4dff);
  --bt-ease:cubic-bezier(.22,1,.36,1);--bt-dot:rgba(18,24,48,.06);
}
html{scroll-behavior:smooth}
body{position:relative;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bt-root-grad);color:var(--bt-fg);-webkit-font-smoothing:antialiased;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(circle at 1px 1px,var(--bt-dot) 1px,transparent 0);background-size:34px 34px;-webkit-mask-image:radial-gradient(130% 90% at 50% -10%,#000 0%,transparent 72%);mask-image:radial-gradient(130% 90% at 50% -10%,#000 0%,transparent 72%)}
::selection{background:rgba(64,120,255,.32)}
h1,h2,h3,.disp{font-family:'Space Grotesk',Inter,sans-serif}
a{color:inherit}
img{max-width:100%}
.bt-sr,.bt-skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.bt-skip:focus{position:fixed;top:10px;left:10px;width:auto;height:auto;clip:auto;z-index:200;background:var(--ac);color:#fff;padding:10px 16px;border-radius:10px}
.disp{font-family:'Space Grotesk',Inter,sans-serif;font-feature-settings:"tnum" 1,"lnum" 1;font-variant-numeric:tabular-nums lining-nums}

/* focus */
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}

/* buttons */
.bt-btn-primary{position:relative;display:inline-flex;align-items:center;gap:8px;background:var(--bt-grad);color:#fff;font:600 14px/1 Inter,sans-serif;padding:11px 19px;border-radius:980px;text-decoration:none;white-space:nowrap;box-shadow:0 10px 24px -10px rgba(64,120,255,.75);transition:transform .2s var(--bt-ease),box-shadow .2s var(--bt-ease),filter .2s;border:none;cursor:pointer}
.bt-btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(64,120,255,.85);filter:saturate(1.1)}
.bt-btn-primary:active{transform:translateY(0) scale(.97)}
.bt-btn-lg{font-size:16px;padding:16px 28px;box-shadow:0 14px 34px -12px rgba(64,120,255,.8)}
.bt-btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#0c1430;font:600 16px/1 Inter,sans-serif;padding:15px 28px;border-radius:980px;border:none;cursor:pointer;text-decoration:none;transition:transform .15s}
.bt-btn-white:hover{transform:translateY(-2px)}
.bt-btn-ghost{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);color:#fff;font:600 16px/1 Inter,sans-serif;padding:15px 28px;border-radius:980px;text-decoration:none;border:1px solid rgba(255,255,255,.25)}
.bt-btn-ghost:hover{background:rgba(255,255,255,.18)}

/* header */
.bt-header{position:sticky;top:0;z-index:60;background:var(--bt-head);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid var(--bt-border)}
.bt-header-inner{max-width:1220px;margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;gap:22px}
.bt-brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.bt-brand img{display:block;border-radius:8px}
.bt-brand-text{display:flex;flex-direction:column;line-height:1.05}
.bt-brand-name{font-family:'Space Grotesk';font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--bt-fgs)}
.bt-brand-sub{font-size:9.5px;font-weight:600;letter-spacing:.18em;color:var(--bt-muted3)}
.bt-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.bt-nav a{font-size:14px;font-weight:500;color:var(--bt-nav);padding:9px 13px;border-radius:9px;text-decoration:none;transition:background .15s,color .15s}
.bt-nav a:hover{background:var(--bt-navhover);color:var(--bt-fgs)}
.bt-header-actions{margin-left:auto;display:flex;align-items:center;gap:11px}
.bt-icon-btn{width:38px;height:38px;border-radius:980px;background:var(--bt-chip);border:1px solid var(--bt-chipb);color:var(--bt-fg);cursor:pointer;display:flex;align-items:center;justify-content:center;flex:none}
.bt-icon-btn:hover{background:var(--bt-chiph)}
.bt-theme-sun{display:none}
html[data-theme="light"] .bt-theme-sun{display:flex}
html[data-theme="light"] .bt-theme-moon{display:none}
.bt-lang{position:relative}
.bt-lang-btn{display:flex;align-items:center;gap:6px;font:600 13px/1 Inter,sans-serif;color:var(--bt-fg);background:var(--bt-chip);border:1px solid var(--bt-chipb);border-radius:980px;padding:9px 13px;cursor:pointer}
.bt-lang-btn:hover{background:var(--bt-chiph)}
.bt-lang-menu{position:absolute;top:48px;right:0;background:var(--bt-menu);border:1px solid var(--bt-border);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.35);padding:6px;min-width:172px;list-style:none;z-index:70;display:none}
.bt-lang.is-open .bt-lang-menu{display:block;animation:bt-rise .15s ease}
.bt-lang-menu a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:9px;font-size:14px;font-weight:500;text-decoration:none;color:var(--bt-fg)}
.bt-lang-menu a:hover{background:var(--bt-navhover)}
.bt-lang-menu a[aria-current]{color:var(--ac)}
.bt-lang-code{font-size:11px;font-weight:700;color:var(--bt-muted3)}
@keyframes bt-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bt-book{position:relative;display:inline-flex;vertical-align:top}
.bt-book-btn{cursor:pointer}
.bt-book-btn svg{transition:transform .2s var(--bt-ease)}
.bt-book.is-open .bt-book-btn svg{transform:rotate(180deg)}
/* position:fixed + портал в <body> (JS) — чтобы меню не обрезалось и не перекрывалось предками (overflow/transform/z-index). */
.bt-book-menu{position:fixed;top:0;left:0;background:var(--bt-menu);border:1px solid var(--bt-border);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.45);padding:6px;min-width:250px;max-width:calc(100vw - 16px);list-style:none;z-index:1000;display:none}
.bt-book-menu.is-open{display:block;animation:bt-rise .15s ease}
.bt-book-menu a{display:block;padding:11px 13px;border-radius:9px;font:500 14px/1.35 Inter,sans-serif;text-decoration:none;color:var(--bt-fg)}
.bt-book-menu a:hover{background:var(--bt-navhover);color:var(--bt-fgs)}

/* hero */
.bt-hero{position:relative;max-width:1340px;margin:0 auto;padding:26px 24px 8px}
.bt-hero-frame{position:relative;border-radius:28px;overflow:hidden;height:min(78vh,640px);min-height:480px;border:1px solid var(--bt-border);box-shadow:0 40px 100px -50px rgba(0,0,0,.9)}
.bt-hero-grid{position:absolute;inset:0;z-index:5;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 80% 66%,#000,transparent 72%);mask-image:radial-gradient(circle at 80% 66%,#000,transparent 72%)}
.bt-slide{position:absolute;inset:0;opacity:0;z-index:1;transition:opacity .9s ease}
.bt-slide.is-active{opacity:1;z-index:2}
.bt-slide-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;background:#0d0f1a;transform:scale(1.06)}
.bt-slide.is-active .bt-slide-img{transform:scale(1.1);transition:transform 6s ease}
.bt-slide-shade{position:absolute;inset:0;background:linear-gradient(95deg,rgba(7,8,15,.95) 0%,rgba(7,8,15,.82) 38%,rgba(7,8,15,.35) 70%,rgba(7,8,15,.55) 100%)}
.bt-slide-shade::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 78% 110%,var(--slide-glow),transparent 60%)}
.bt-slide-body{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;justify-content:center;padding:clamp(28px,5vw,68px);max-width:680px}
.bt-badge{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);padding:8px 15px;border-radius:980px;width:max-content}
.bt-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--dot);animation:bt-pulse 2.4s ease-in-out infinite}
@keyframes bt-pulse{0%,100%{box-shadow:0 0 0 0 var(--dot)}50%{box-shadow:0 0 14px 3px var(--dot)}}
.bt-slide-title{margin:22px 0 0;font-size:clamp(32px,5vw,58px);line-height:1.04;letter-spacing:-.02em;font-weight:700;color:#fff;text-wrap:balance}
.bt-slide-sub{margin:20px 0 0;font-size:clamp(16px,1.9vw,20px);line-height:1.5;color:#b9bdce;max-width:540px}
.bt-slide-cta{margin:32px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.bt-slide-price{display:flex;align-items:baseline;gap:8px;color:#fff}
.bt-slide-price span:first-child{font-size:13px;color:#9aa0b6}
.bt-slide-price-num{font-size:30px;font-weight:700;letter-spacing:-.02em}
.bt-slide-price-cur{font-size:15px;color:#9aa0b6;font-weight:600}
.bt-arrow{position:absolute;z-index:20;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:rgba(8,9,16,.5);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.bt-arrow:hover{background:rgba(8,9,16,.8)}
.bt-arrow-prev{left:18px}.bt-arrow-next{right:18px}
.bt-dots{position:absolute;z-index:20;left:clamp(28px,5vw,68px);bottom:26px;display:flex;align-items:center;gap:10px}
.bt-dot{position:relative;height:8px;width:8px;border-radius:980px;border:none;cursor:pointer;background:rgba(255,255,255,.32);transition:width .3s var(--bt-ease),background .3s;padding:0}
.bt-dot::after{content:"";position:absolute;inset:-14px}
.bt-dot.is-active{width:30px;background:var(--ac)}
.bt-counter{position:absolute;z-index:20;right:clamp(28px,5vw,68px);bottom:24px;font:600 13px/1 'Space Grotesk';color:#aeb3c7;letter-spacing:.05em;font-variant-numeric:tabular-nums}
.bt-progress{position:absolute;left:0;right:0;bottom:0;height:3px;z-index:21;background:rgba(255,255,255,.12)}
.bt-progress span{display:block;height:100%;width:0;background:var(--bt-grad);box-shadow:0 0 12px rgba(64,120,255,.85);transform-origin:left}
.bt-progress.is-running span{animation:bt-fill var(--dur,5500ms) linear forwards}
@keyframes bt-fill{from{width:0}to{width:100%}}

/* trust */
.bt-trust{max-width:1120px;margin:18px auto 0;padding:0 24px}
.bt-trust ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.bt-trust li{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:500;color:var(--bt-muted);background:var(--bt-chip);border:1px solid var(--bt-chipb);padding:9px 16px;border-radius:980px;transition:transform .2s var(--bt-ease),border-color .2s}
.bt-trust li:hover{transform:translateY(-2px)}
.bt-trust li:last-child{color:var(--bt-fgs);font-weight:600;border-color:var(--bt-gold-line);background:var(--bt-gold-soft)}
.bt-trust li:last-child svg{animation:bt-twinkle 3.5s var(--bt-ease) infinite}
@keyframes bt-twinkle{0%,92%,100%{transform:scale(1)}96%{transform:scale(1.22) rotate(8deg)}}

/* sections */
.bt-section{max-width:1220px;margin:0 auto;padding:78px 24px 30px}
.bt-section-head{max-width:640px;margin:0 0 42px}
.bt-section-head.bt-center,.bt-center{text-align:center;margin-left:auto;margin-right:auto}
.bt-kicker{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ac)}
.bt-section-head h1,.bt-section-head h2{margin:12px 0 0;font-size:clamp(28px,4vw,42px);letter-spacing:-.02em;font-weight:700;color:var(--bt-fgs)}
.bt-section-sub{margin:14px 0 0;font-size:17px;color:var(--bt-muted)}

/* card base */
.bt-card{background:var(--bt-card);border:1px solid var(--bt-border);border-radius:20px;box-shadow:var(--bt-sh-sm)}

/* services */
.bt-services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.bt-service{padding:28px;text-decoration:none;display:block;transition:transform .28s var(--bt-ease),border-color .25s,background .25s,box-shadow .28s var(--bt-ease)}
.bt-service:hover{transform:translateY(-6px);border-color:rgba(120,140,255,.45);background:var(--bt-cardh);box-shadow:var(--bt-sh-lift)}
.bt-service:active{transform:translateY(-2px) scale(.99)}
.bt-service-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--c1),var(--c2));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 12px 26px -8px var(--c1);transition:transform .3s var(--bt-ease)}
.bt-service:hover .bt-service-icon{transform:scale(1.08) rotate(-4deg)}
.bt-service:hover .bt-service-link svg{transform:translateX(3px)}
.bt-service-link svg{transition:transform .25s var(--bt-ease)}
.bt-service h3{margin:18px 0 0;font-size:19px;font-weight:600;color:var(--bt-fgs)}
.bt-service p{margin:8px 0 0;font-size:14px;color:var(--bt-muted);line-height:1.55}
.bt-service-foot{margin:18px 0 0;display:flex;align-items:center;justify-content:space-between}
.bt-service-price{font-size:13px;color:var(--bt-muted)}
.bt-service-price strong{font-size:18px;color:var(--bt-fgs);font-weight:700}
.bt-service-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--ac)}

/* prices */
.bt-prices{position:relative;margin-top:60px;scroll-margin-top:80px;background:var(--bt-band);border-top:1px solid var(--bt-border);border-bottom:1px solid var(--bt-border)}
#bt-services,#bt-prices{scroll-margin-top:80px}
.bt-prices-inner{max-width:1220px;margin:0 auto;padding:78px 24px}
.bt-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.bt-tab{display:inline-flex;align-items:center;gap:8px;font:600 14px/1 Inter,sans-serif;padding:11px 17px;border-radius:980px;cursor:pointer;border:1px solid var(--bt-tabb);background:var(--bt-tabbg);color:var(--bt-tabfg);transition:transform .2s var(--bt-ease),background .2s,color .2s,border-color .2s,box-shadow .2s}
.bt-tab:hover{transform:translateY(-1px);border-color:var(--bt-chiph)}
.bt-tab:active{transform:translateY(0) scale(.97)}
.bt-tab.is-active{border-color:transparent;background:var(--bt-grad);color:#fff;box-shadow:0 10px 22px -10px rgba(64,120,255,.7)}
.bt-tab-icon{display:flex}
.bt-tab-count{font-size:11px;font-weight:700;opacity:.6}
.bt-price-card{padding:clamp(20px,3vw,34px)}
.bt-panel-head{display:flex;align-items:center;gap:13px;margin-bottom:8px}
.bt-panel-icon{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--ac),#7c4dff);display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.bt-panel-head h3{margin:0;font-size:21px;font-weight:700;color:var(--bt-fgs);letter-spacing:-.01em}
.bt-panel-head p{margin:2px 0 0;font-size:13px;color:var(--bt-muted2)}
.bt-rows{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:0 28px}
.bt-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 6px;border-bottom:1px solid var(--bt-rowb)}
.bt-row-name{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--bt-rown)}
.bt-row-note{font-size:9px;font-weight:700;letter-spacing:.04em;color:#9fb4ff;background:rgba(80,120,255,.16);padding:2px 6px;border-radius:5px}
.bt-row-price{font-size:16px;font-weight:700;color:var(--bt-fgs);white-space:nowrap}
.bt-price-foot{margin-top:26px;display:flex;flex-wrap:wrap;gap:13px;align-items:center}
.bt-price-tail{font-size:13px;color:var(--bt-muted2)}
.bt-price-tail a{color:var(--ac);font-weight:600;text-decoration:none}

/* process */
.bt-steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.bt-step{position:relative;overflow:hidden;padding:30px 26px;transition:transform .28s var(--bt-ease),box-shadow .28s var(--bt-ease)}
.bt-step:hover{transform:translateY(-5px);box-shadow:var(--bt-sh-md)}
.bt-step-num{position:absolute;top:10px;right:18px;font-size:60px;font-weight:700;color:var(--bt-water);line-height:1}
.bt-step-icon{position:relative;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--ac),#7c4dff);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 12px 26px -8px rgba(64,120,255,.6)}
.bt-step h3{position:relative;margin:18px 0 0;font-size:18px;font-weight:600;color:var(--bt-fgs)}
.bt-step p{position:relative;margin:8px 0 0;font-size:14px;line-height:1.55;color:var(--bt-muted)}

/* guarantee */
.bt-guar-wrap{padding-top:0;padding-bottom:80px}
.bt-guar{position:relative;overflow:hidden;border-radius:26px;border:1px solid rgba(120,140,255,.25);background:linear-gradient(135deg,#0c1430 0%,#161a3e 50%,rgba(64,120,255,.4) 130%);padding:clamp(36px,5vw,60px)}
.bt-guar-deco{position:absolute;right:-50px;top:-50px;width:260px;height:260px;opacity:.4}
.bt-guar-body{position:relative;max-width:640px}
.bt-guar-body h2{margin:0;font-size:clamp(26px,3.6vw,38px);letter-spacing:-.02em;font-weight:700;color:#fff;line-height:1.1}
.bt-guar-body p{margin:16px 0 0;font-size:17px;color:#c3c7d9;max-width:520px}
.bt-guar-cta{margin:30px 0 0;display:flex;flex-wrap:wrap;gap:14px}

/* news list */
.bt-posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.bt-post{display:flex;flex-direction:column;overflow:hidden;background:var(--bt-card);border:1px solid var(--bt-border);border-radius:20px;box-shadow:var(--bt-sh-sm);transition:transform .28s var(--bt-ease),box-shadow .28s var(--bt-ease),border-color .25s}
.bt-post:hover{transform:translateY(-6px);box-shadow:var(--bt-sh-lift);border-color:rgba(120,140,255,.45)}
.bt-post-cover{display:block;aspect-ratio:16/9;overflow:hidden}
.bt-post-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--bt-ease)}
.bt-post:hover .bt-post-cover img{transform:scale(1.06)}
.bt-post-body{display:flex;flex-direction:column;gap:10px;padding:22px 22px 24px;flex:1}
.bt-post-date{font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--bt-gold)}
.bt-post-title{font-size:19px;line-height:1.25;font-weight:600;color:var(--bt-fgs);margin:0}
.bt-post-title a{text-decoration:none}
.bt-post-title a:hover{color:var(--ac)}
.bt-post-teaser{font-size:14.5px;line-height:1.55;color:var(--bt-muted);margin:0}
.bt-post-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--ac);text-decoration:none}
.bt-post-link svg{transition:transform .25s var(--bt-ease)}
.bt-post:hover .bt-post-link svg{transform:translateX(3px)}

/* pager */
.bt-pager{margin-top:40px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}
.bt-page-btn{display:inline-flex;align-items:center;gap:6px;font:600 14px/1 Inter,sans-serif;padding:11px 18px;border-radius:980px;border:1px solid var(--bt-chipb);background:var(--bt-chip);color:var(--bt-fg);text-decoration:none;transition:transform .2s var(--bt-ease),background .2s}
.bt-page-btn:hover{transform:translateY(-1px);background:var(--bt-chiph)}
.bt-page-btn.is-disabled{opacity:.4;pointer-events:none}
.bt-page-nums{display:flex;gap:6px}
.bt-page-num{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;border-radius:11px;font:600 14px/1 Inter,sans-serif;color:var(--bt-nav);text-decoration:none;border:1px solid transparent}
.bt-page-num:hover{background:var(--bt-navhover);color:var(--bt-fgs)}
.bt-page-num.is-active{background:var(--bt-grad);color:#fff;box-shadow:0 10px 22px -10px rgba(64,120,255,.7)}

/* article */
.bt-article{max-width:780px}
.bt-article-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--bt-muted);text-decoration:none;margin-bottom:22px}
.bt-article-back:hover{color:var(--bt-fgs)}
.bt-article-head h1{margin:10px 0 0;font-size:clamp(28px,4.4vw,44px);line-height:1.1;letter-spacing:-.02em;font-weight:700;color:var(--bt-fgs)}
.bt-article-cover{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:20px;border:1px solid var(--bt-border);margin:26px 0;box-shadow:var(--bt-sh-md)}
.bt-article-body{font-size:17px;line-height:1.75;color:var(--bt-fg)}
.bt-article-body p{margin:0 0 18px}
.bt-article-body h2{margin:30px 0 12px;font-size:24px;color:var(--bt-fgs)}
.bt-article-body a{color:var(--ac)}
.bt-article-cta{display:flex;flex-wrap:wrap;gap:13px;align-items:center;margin:30px 0 0;padding-top:26px;border-top:1px solid var(--bt-border)}
.bt-related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:46px}
.bt-rel{display:flex;flex-direction:column;gap:8px;text-decoration:none}
.bt-rel img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--bt-border);transition:transform .3s var(--bt-ease)}
.bt-rel:hover img{transform:translateY(-3px)}
.bt-rel-date{font-size:11.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--bt-gold)}
.bt-rel-title{font-size:14px;font-weight:600;line-height:1.35;color:var(--bt-fgs)}

/* contact */
.bt-contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;align-items:start}
.bt-contact-col{display:flex;flex-direction:column;gap:14px}
.bt-contact-card{display:flex;gap:15px;padding:22px;border-radius:16px;text-decoration:none}
a.bt-contact-card:hover{background:rgba(255,255,255,.08)}
.bt-contact-row2{display:flex;gap:14px;flex-wrap:wrap}
.bt-contact-row2 .bt-contact-card{flex:1;min-width:150px}
.bt-contact-ico{flex:none;width:44px;height:44px;border-radius:12px;background:var(--bt-chip);display:flex;align-items:center;justify-content:center;color:#9fb4ff}
.bt-contact-ico-grad{background:linear-gradient(135deg,var(--ac),#7c4dff);color:#fff}
.bt-contact-card>div{display:flex;flex-direction:column}
.bt-contact-label{font-size:13px;font-weight:600;color:var(--bt-muted2)}
.bt-contact-val{font-size:16px;font-weight:600;color:var(--bt-fgs);margin-top:3px}
.bt-contact-note{font-size:13px;color:var(--bt-muted2);margin-top:4px}
.bt-contact-note-ac{color:var(--ac);font-weight:600}
.bt-break{word-break:break-all;font-size:15px}
.bt-map{aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid var(--bt-border);background:var(--bt-map);display:flex;align-items:center;justify-content:center;position:relative;text-decoration:none}
.bt-map-pin{width:36px;height:36px;color:var(--ac)}
.bt-map-badge{position:absolute;bottom:12px;font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--bt-muted2);background:var(--bt-mapbadge);padding:5px 10px;border-radius:7px}
.bt-map-link{align-self:flex-start;font:600 13.5px/1 Inter,sans-serif;color:var(--ac);text-decoration:none;padding:6px 2px}
.bt-map-link:hover{text-decoration:underline}
.bt-map-card{padding:0;overflow:hidden;min-height:440px;display:flex}
.bt-map-embed{width:100%;min-height:440px;border:0;display:block}
.bt-form-card{padding:clamp(26px,4vw,38px)}
.bt-form-card h2{margin:0;font-size:24px;font-weight:700;color:var(--bt-fgs)}
.bt-form-sub{margin:8px 0 26px;font-size:15px;color:var(--bt-muted)}
.bt-form{display:flex;flex-direction:column;gap:18px}
.bt-form input,.bt-form textarea{background:var(--bt-input);border:1px solid var(--bt-inputb);border-radius:12px;color:var(--bt-fgs);font:400 16px Inter,sans-serif;padding:14px 16px;outline:none;width:100%}
.bt-form textarea{resize:vertical}
.bt-form input:focus,.bt-form textarea:focus{border-color:var(--ac)}
.bt-form-submit{margin-top:4px;justify-content:center;padding:16px;border-radius:12px;font-size:16px}
.bt-form-consent{margin:0;font-size:12px;color:var(--bt-muted3);text-align:center}
.bt-form-ok{font-size:15px;color:#5ee0a0;text-align:center;font-weight:600}

/* footer */
.bt-footer{border-top:1px solid var(--bt-border);background:var(--bt-foot)}
.bt-footer-inner{max-width:1220px;margin:0 auto;padding:56px 24px 30px}
.bt-footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:36px}
.bt-footer-about{max-width:300px}
.bt-footer-brand{display:flex;align-items:center;gap:10px}
.bt-footer-brand img{border-radius:7px}
.bt-footer-brand span{font-family:'Space Grotesk';font-weight:700;font-size:16px;color:var(--bt-fgs)}
.bt-footer-about p{margin:16px 0 0;font-size:14px;line-height:1.6;color:var(--bt-muted2)}
.bt-foot-note{font-size:12px!important;line-height:1.5!important;color:var(--bt-muted3)!important;margin-top:10px!important}
.bt-footer-h{font-size:12px;font-weight:700;color:var(--bt-fgs);text-transform:uppercase;letter-spacing:.08em;margin-bottom:15px}
.bt-footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--bt-muted2)}
.bt-footer-links a{color:var(--bt-muted2);text-decoration:none}
.bt-footer-links a:hover{color:var(--bt-fgs)}
.bt-footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--bt-border);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:#6b7088}
.bt-footer-legal{color:var(--bt-muted);text-decoration:none;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.bt-footer-legal:hover{color:var(--ac);border-color:var(--ac)}

/* responsive */
@media(max-width:760px){
  .bt-nav{display:none}
  .bt-header-cta,.bt-book--end{display:none}
  .bt-brand-sub{display:none}
  .bt-section{padding:48px 20px 20px}
  .bt-prices-inner{padding:48px 20px}
  .bt-related{grid-template-columns:1fr;gap:18px}
}
@media(max-width:480px){
  .bt-header-inner{gap:12px;padding:0 16px}
  .bt-lang-btn span:not(.bt-lang-code){display:none}
}
/* scroll reveal + panel crossfade */
html.js .bt-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--bt-ease),transform .7s var(--bt-ease);transition-delay:calc(var(--i,0)*70ms);will-change:opacity,transform}
html.js .bt-reveal.is-in{opacity:1;transform:none}
.bt-panel.is-active{animation:bt-fade .4s var(--bt-ease) both}
@keyframes bt-fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .bt-reveal{opacity:1!important;transform:none!important}
  .bt-progress{display:none}
}