:root{
  --emerald-deep:#0a3d34; --emerald:#0d5c4f; --emerald-2:#0f6f5f;
  --accent:#12a08a; --accent-hover:#0d8975; --gold:#c9a24b;
  --ink:#152420; --muted:#5c706a; --line:#e2ece8;
  --mint:#eef8f4; --white:#ffffff;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--emerald-deep);line-height:1.15;font-weight:700}
a{text-decoration:none;color:inherit}
img{max-width:100%}

/* language toggle */
.lang-en{display:none}
body.en .lang-ru{display:none}
body.en .lang-en{display:inline}
body.en .lang-en.block{display:block}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s}
.site-header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(10,61,52,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Montserrat';font-weight:800;color:#fff;transition:.3s}
.scrolled .brand{color:var(--emerald-deep)}
.brand .mark{display:grid;place-items:center;width:40px;height:40px;border-radius:9px;background:var(--accent);color:#fff;font-size:15px;letter-spacing:.5px;box-shadow:0 4px 14px rgba(18,160,138,.4)}
.brand .mark-txt{font-size:15px;line-height:1.1}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;font-weight:500;color:rgba(255,255,255,.85);transition:.2s}
.scrolled .nav-links a{color:var(--ink)}
.nav-links a:hover{color:var(--accent)}
.lang-switch{display:flex;gap:2px;border:1px solid rgba(255,255,255,.35);border-radius:8px;overflow:hidden}
.scrolled .lang-switch{border-color:var(--line)}
.lang-switch button{background:transparent;border:none;color:rgba(255,255,255,.85);font-family:'Montserrat';font-size:13px;font-weight:600;padding:6px 11px;cursor:pointer;transition:.2s}
.scrolled .lang-switch button{color:var(--muted)}
.lang-switch button.active{background:var(--accent);color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
.scrolled .nav-toggle{color:var(--emerald-deep)}

/* Buttons */
.btn{display:inline-block;padding:15px 34px;border-radius:40px;font-family:'Montserrat';font-weight:700;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.25s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(18,160,138,.35)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 12px 30px rgba(18,160,138,.45)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background:radial-gradient(120% 120% at 50% 0%,var(--emerald-2) 0%,var(--emerald-deep) 55%,#072a24 100%);overflow:hidden}
.hero-rings{position:absolute;top:50%;left:50%;transform:translate(-50%,-58%);width:640px;height:640px;pointer-events:none}
.ring{position:absolute;top:50%;left:50%;border:1.5px solid rgba(255,255,255,.06);border-radius:50%;transform:translate(-50%,-50%)}
.ring.r1{width:200px;height:200px;animation:spin 18s linear infinite}
.ring.r2{width:340px;height:340px;border-color:rgba(201,162,75,.18);animation:spin 26s linear infinite reverse}
.ring.r3{width:480px;height:480px;animation:spin 34s linear infinite}
.ring.r4{width:620px;height:620px;border-color:rgba(18,160,138,.25);animation:spin 44s linear infinite reverse}
.ring::before{content:"";position:absolute;top:-4px;left:50%;width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.ring.r1::before,.ring.r3::before{background:var(--accent);box-shadow:0 0 12px var(--accent)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.hero-glow{position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);width:520px;height:520px;background:radial-gradient(circle,rgba(18,160,138,.28) 0%,transparent 60%);filter:blur(20px);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:0 24px;max-width:840px}
.hero-logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:38px;opacity:.95}
.hero-logo .mark{width:46px;height:46px;border:2px solid rgba(255,255,255,.6);border-radius:50%;display:grid;place-items:center;font-family:'Montserrat';font-weight:800;font-size:16px}
.hero-logo span{font-family:'Montserrat';font-weight:600;font-size:13px;letter-spacing:3px;color:rgba(255,255,255,.75)}
.hero h1{color:#fff;font-size:clamp(34px,6vw,62px);letter-spacing:-1px;margin-bottom:22px}
.hero h1 .hl{color:var(--gold)}
.hero p.sub{font-size:clamp(16px,2.2vw,20px);color:rgba(255,255,255,.95);max-width:560px;margin:0 auto 38px}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.5);font-size:26px;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* Sections */
section{position:relative}
.block{padding:100px 0}
.block.mint{background:var(--mint)}
.eyebrow{display:block;text-align:center;color:var(--accent);font-family:'Montserrat';font-weight:700;font-size:13px;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px}
.eyebrow.left{text-align:left}
.h-section{text-align:center;font-size:clamp(28px,4vw,42px);margin-bottom:52px}
.h-section.left{text-align:left;margin-bottom:24px}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

/* Services */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 30px;transition:.28s}
.svc:hover{border-color:var(--accent);transform:translateY(-6px);box-shadow:0 20px 44px rgba(10,61,52,.12)}
.svc .ico{width:52px;height:52px;border-radius:13px;background:var(--mint);display:grid;place-items:center;margin-bottom:20px;color:var(--accent)}
.svc h3{font-size:21px;margin-bottom:12px}
.svc p{color:var(--muted);font-size:15px;margin-bottom:18px}
.svc .more{font-family:'Montserrat';font-weight:700;font-size:14px;color:var(--accent)}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}
.about-grid p{color:#33463f;font-size:17px;margin-bottom:18px}

/* Why features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .ico{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:var(--white);border:1px solid var(--line);display:grid;place-items:center;color:var(--accent)}
.mint .feat .ico{background:var(--white)}
.feat h4{font-size:17px;margin-bottom:5px;font-weight:700}
.feat p{color:var(--muted);font-size:14.5px}

/* Stats */
.stats{background:linear-gradient(135deg,var(--emerald-2),var(--emerald-deep));color:#fff;padding:74px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .num{font-family:'Montserrat';font-weight:800;font-size:clamp(38px,5vw,54px);color:#fff;line-height:1}
.stat .num .plus{color:var(--gold)}
.stat .lbl{margin-top:10px;color:rgba(255,255,255,.7);font-size:14px}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px}
.quote p{font-style:italic;color:#33463f;font-size:15px;margin-bottom:22px}
.quote .who{display:flex;align-items:center;gap:13px}
.quote .av{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:'Montserrat';font-weight:800}
.quote .who b{display:block;font-family:'Montserrat';font-size:15px;color:var(--emerald-deep)}
.quote .who span{font-size:13px;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-card{background:var(--mint);border-radius:18px;padding:30px;margin-bottom:20px}
.contact-card .lbl{font-size:13px;color:var(--muted);margin-bottom:6px}
.contact-card .big{font-family:'Montserrat';font-weight:800;font-size:28px;color:var(--emerald-deep)}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:30px;font-size:13.5px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--emerald-deep);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.addr{display:flex;gap:12px;padding:18px 0;border-top:1px solid var(--line)}
.addr .ico{color:var(--accent);flex-shrink:0}
.addr b{font-weight:600}
.addr span{color:var(--muted);font-size:14px}
.mini-rows{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.mini b{display:block;color:var(--accent);font-family:'Montserrat';font-size:14px}
.mini span{font-size:15px}
.form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;flex-direction:column;gap:16px}
.form label{font-size:13px;font-weight:600;color:var(--emerald-deep);display:flex;flex-direction:column;gap:7px}
.form input,.form textarea{font-family:inherit;font-size:15px;padding:13px 15px;border:1px solid var(--line);border-radius:10px;background:#fbfdfc}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.form .note{font-size:12px;color:var(--muted)}

/* Footer */
footer{background:#072a24;color:rgba(255,255,255,.85);padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand .brand{color:#fff;margin-bottom:14px}
footer h5{color:#fff;font-family:'Montserrat';font-size:13px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px}
footer a{display:block;color:rgba(255,255,255,.82);font-size:14px;padding:4px 0;transition:.2s}
footer a:hover{color:var(--gold)}
.foot-brand p{font-size:14px;max-width:280px}
.copy{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.5);text-align:center}

@media(max-width:860px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:12px 24px;box-shadow:0 12px 30px rgba(0,0,0,.1);display:none}
  body.menu .nav-links{display:flex}
  .nav-links a{color:var(--ink);width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .grid,.features,.quotes,.stats-grid,.about-grid,.contact-grid,.foot-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:36px}
  .mini-rows{grid-template-columns:1fr 1fr}
  .block{padding:70px 0}
  .hero-rings{width:420px;height:420px}
  .ring.r4{width:400px;height:400px}.ring.r3{width:320px;height:320px}
}

/* ---- detail pages ---- */
.page-hero{background:radial-gradient(120% 120% at 50% 0%,var(--emerald-2),var(--emerald-deep) 72%);color:#fff;padding:150px 0 80px;text-align:center}
.page-hero .eyebrow{color:var(--gold)}
.page-hero h1{color:#fff;font-size:clamp(34px,5.5vw,60px);max-width:820px;margin:0 auto 18px}
.page-hero p.ph-sub{color:rgba(255,255,255,.95);max-width:640px;margin:0 auto 28px;font-size:clamp(18px,2.2vw,22px)}
.lede{max-width:760px;margin:0 auto 46px;text-align:center;color:#33463f;font-size:17px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}
.step .n{width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--accent);display:grid;place-items:center;font-family:'Montserrat';font-weight:800;font-size:18px;margin-bottom:16px}
.step h4{font-size:22px;margin-bottom:8px}
.step p{color:var(--muted);font-size:17px;margin:0}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.pcol{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
.pcol.hot{border-color:var(--accent);box-shadow:0 16px 40px rgba(18,160,138,.15)}
.pcol h4{font-size:20px;margin-bottom:4px}
.pcol .price{font-family:'Montserrat';font-weight:800;font-size:30px;color:var(--emerald-deep);margin:8px 0 16px}
.pcol ul{list-style:none}
.pcol li{padding:9px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14.5px;padding-left:24px;position:relative}
.pcol li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.twocol{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.threecol{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.infocard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}
.infocard h4{margin-bottom:8px}.infocard p{color:var(--muted);margin:0;font-size:15px}
.drows{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.drow{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.drow .top{display:flex;justify-content:space-between;gap:14px;align-items:baseline}
.drow b{font-family:'Montserrat';font-size:17px;color:var(--emerald-deep)}
.drow .p{color:var(--accent);font-family:'Montserrat';font-weight:800;white-space:nowrap}
.drow p{color:var(--muted);font-size:14px;margin:8px 0 0}
.factbar{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:640px;margin:0 auto}
.fact{text-align:center;background:var(--mint);border-radius:16px;padding:28px}
.fact .big{font-family:'Montserrat';font-weight:800;font-size:34px;color:var(--emerald-deep)}
.fact span{color:var(--muted);font-size:14px}
.cta-band{background:linear-gradient(135deg,var(--emerald-2),var(--emerald-deep));color:#fff;border-radius:22px;padding:48px 36px;text-align:center}
.cta-band h3{color:#fff;font-size:27px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.96);margin-bottom:24px}
.cta-band .phones{color:rgba(255,255,255,.9);font-size:14px;margin-top:18px}
.pnote{color:var(--muted);font-size:13px;margin-top:16px;text-align:center}
@media(max-width:860px){.steps,.pricing,.drows,.twocol,.threecol{grid-template-columns:1fr}.page-hero{padding:120px 0 56px}}

/* ===== fonts (Montserrat ~ Futura PT) + china test components ===== */
body{font-family:'Montserrat',system-ui,sans-serif}
.page-hero.split{text-align:left;padding:150px 0 72px;overflow:hidden}
.page-hero.split .container{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.page-hero.split .eyebrow,.page-hero.split h1,.page-hero.split .ph-sub{text-align:left;margin-left:0;margin-right:0;max-width:none}
.hero-art{width:100%;height:auto;display:block;filter:drop-shadow(0 24px 44px rgba(0,0,0,.28))}
.step{position:relative}
.step .n{width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:19px;margin-bottom:16px}
.iconbox{position:absolute;top:22px;right:22px;width:42px;height:42px;border-radius:11px;background:var(--mint);display:grid;place-items:center;color:var(--accent)}
.iconbox svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.infocard{position:relative;padding-right:76px}
.section-sub{text-align:center;color:var(--muted);max-width:720px;margin:-30px auto 50px;font-size:16px}
.section-title{text-align:center;font-size:clamp(28px,4vw,44px);color:var(--emerald-deep);margin:0 0 48px}
@media(max-width:860px){.page-hero.split .container{grid-template-columns:1fr}.hero-art{max-width:340px;margin:8px auto 0}}
.cta-band .phones a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.cta-band .phones a:hover{color:#fff}
.svc .ico svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feat .ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.quote .av{height:50px;min-width:50px;max-width:140px;padding:7px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.quote .av img{max-height:34px;max-width:112px;width:auto;object-fit:contain;display:block}
.quote .av.dark{background:var(--emerald-deep);border-color:var(--emerald-deep)}
.quote{position:relative}
.quote::before{content:"\201C";display:block;font-family:Georgia,"Times New Roman",serif;font-size:66px;line-height:.7;color:rgba(18,160,138,.30);height:32px;margin-bottom:8px}
.quote .who{gap:20px}
.quote .av{flex-shrink:0}
.quote{display:flex;flex-direction:column}
.quote .who{margin-top:auto;gap:24px}
/* ---- v13: header layout, orbit contrast, medals, mobile ---- */
.nav-right{display:flex;align-items:center;gap:22px}
.ring{border-width:2px;border-color:rgba(255,255,255,.13)}
.ring.r2{border-color:rgba(201,162,75,.42)}
.ring.r4{border-color:rgba(18,160,138,.5)}
.ring::before{width:11px;height:11px;top:-6px}
.pcol{position:relative}
.pcol .medal{width:52px;height:52px;margin-bottom:14px}
.pcol .medal svg{width:100%;height:100%;display:block;filter:drop-shadow(0 4px 8px rgba(10,61,52,.18))}
@media(max-width:860px){
  .hero-logo{display:none}
  .nav-right{gap:12px}
  .lang-switch{order:1}
  .nav-toggle{order:2}
}
/* ---- v14: orbit spacing/dots, mobile hero sizes, skyline ---- */
.ring{border-width:1.5px}
.ring::before{width:9px;height:9px;top:-5px}
.hero-skyline{position:absolute;left:0;right:0;bottom:0;z-index:1;pointer-events:none;line-height:0}
.hero-skyline svg{width:100%;height:auto;display:block}
@media(max-width:860px){
  .hero-rings{width:440px;height:440px}
  .ring.r1{width:150px;height:150px}
  .ring.r2{width:250px;height:250px}
  .ring.r3{width:350px;height:350px}
  .ring.r4{width:450px;height:450px}
  .hero p.sub{font-size:18px;max-width:340px}
  .hero-cta{margin-top:34px}
  .btn{font-size:17px;padding:16px 32px}
  .scroll-hint{bottom:118px}
}
/* ---- v16: taller skyline on mobile ---- */
@media(max-width:860px){
  .hero-skyline{transform:scaleY(2);transform-origin:bottom center}
}
/* ---- v17: brand-colored contact pills ---- */
.chips .chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:30px;font-size:14px;font-weight:600;color:#fff;border:none;cursor:pointer;transition:.2s;text-decoration:none}
.chips .chip svg{width:18px;height:18px;fill:currentColor;flex-shrink:0}
.chips .chip.wa{background:#25d366}
.chips .chip.tg{background:#229ed9}
.chips .chip.wc{background:#09b83e}
.chips .chip:hover{filter:brightness(1.07);transform:translateY(-1px);color:#fff}
/* ---- v18: content picture banners ---- */
.pic-block{padding:36px 0}
.pic-banner{max-width:960px;margin:0 auto;padding:0 24px}
.pic-banner img{width:100%;height:auto;border-radius:20px;display:block;box-shadow:0 18px 44px rgba(10,61,52,.14)}