:root{
  --navy:#0a2342;--navy2:#10325c;--blue:#1f7ae0;--blue-d:#1561c0;
  --tg:#229ed9;--bg:#f4f7fb;--card:#ffffff;--ink:#16263d;--muted:#5b6b80;--line:#e2e9f2;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Open Sans',sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;line-height:1.25;color:var(--navy)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.center{text-align:center}

.btn{display:inline-block;padding:12px 22px;border-radius:6px;font-weight:700;font-family:'Montserrat',sans-serif;font-size:14px;transition:.2s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-tg{background:var(--tg);color:#fff}
.btn-tg:hover{background:#1b87bd}
.btn-lg{padding:15px 30px;font-size:16px}

.site-header{position:sticky;top:0;z-index:50;background:var(--navy);box-shadow:0 2px 12px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 20px;flex-wrap:wrap}
.brand{color:#fff;font-family:'Montserrat';font-weight:800;font-size:19px;display:flex;align-items:center;gap:8px}
.brand:hover{text-decoration:none}
.brand em{color:var(--blue);font-style:normal}
.brand-mark{background:var(--blue);color:#fff;border-radius:6px;padding:3px 8px;font-size:14px}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}
.main-nav a{color:#cfe0f5;font-weight:600;font-size:14px}
.main-nav a:hover{color:#fff;text-decoration:none}
.nav-cta{display:flex;gap:10px}

.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff;padding:80px 0}
.hero-overlay{position:absolute;inset:0;pointer-events:none;display:flex;justify-content:center;align-items:center;opacity:.24;z-index:1}
.hero-overlay img{width:100%;height:100%;object-fit:cover;filter:brightness(.7) contrast(1.05)}
.hero-text{position:relative;z-index:2;max-width:680px}
.hero h1{color:#fff;font-size:42px;font-weight:800;margin-bottom:18px}
.hero p{color:#d6e2f2;font-size:18px;margin-bottom:14px}
.hero-sub strong{color:#fff}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

.stats{padding:64px 0;background:#fff}
.stats h2{text-align:center;font-size:30px;margin-bottom:40px}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.stat .num{font-family:'Montserrat';font-weight:800;font-size:34px;color:var(--blue);display:block}
.stat p{color:var(--muted);font-size:15px}

.why{padding:70px 0;background:var(--bg)}
.why h2{text-align:center;font-size:30px;margin-bottom:40px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:36px}
.why-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px}
.why-card h3{font-size:17px;margin-bottom:10px;color:var(--navy)}
.why-card p{color:var(--muted);font-size:14px}

.features{padding:60px 0;background:var(--navy)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{background:var(--navy2);border-radius:10px;padding:26px;color:#fff}
.feat-card h3{color:#fff;font-size:18px;margin-bottom:8px}
.feat-card p{color:#c3d4ea;font-size:14px}

.app-section{padding:64px 0;background:#fff;text-align:center}
.app-section h2{font-size:30px;margin-bottom:14px}
.app-section p{color:var(--muted);max-width:620px;margin:0 auto 22px}

.faq{padding:70px 0;background:var(--bg)}
.faq h2{text-align:center;font-size:30px;margin-bottom:36px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 22px;margin-bottom:14px;max-width:820px;margin-left:auto;margin-right:auto}
.faq-item summary{font-weight:700;font-family:'Montserrat';cursor:pointer;color:var(--navy)}
.faq-item p{margin-top:10px;color:var(--muted)}

.blog-teaser{padding:70px 0;background:var(--navy);color:#fff}
.blog-teaser h2{color:#fff;font-size:30px;margin-bottom:12px}
.blog-teaser p{color:#cfe0f5;margin-bottom:24px}

.site-footer{background:#071a30;color:#c3d4ea;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding-bottom:30px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:16px}
.site-footer p{font-size:14px;margin-bottom:12px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:8px}
.site-footer a{color:#9fc1ec}
.risk{font-size:12px;color:#7e93ad}
.footer-bottom{border-top:1px solid #16314f;padding:20px 0;font-size:13px;color:#7e93ad}

.tg-float{position:fixed;right:20px;bottom:20px;width:auto;height:auto;background:var(--blue);color:#fff;border-radius:999px;padding:14px 18px;font-size:15px;font-weight:700;letter-spacing:.01em;display:none;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3);z-index:60}
.tg-float:hover{text-decoration:none;background:var(--blue-d)}

/* blog */
.blog-hero{padding:54px 0 30px;text-align:center}
.blog-hero h1{font-size:36px;margin-bottom:12px}
.blog-hero p{color:var(--muted);max-width:680px;margin:0 auto}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:20px 0 70px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.2s}
.post-card:hover{box-shadow:0 8px 22px rgba(10,35,66,.12);transform:translateY(-3px)}
.post-card a{display:block;padding:22px;color:inherit}
.post-card a:hover{text-decoration:none}
.post-card h3{font-size:16px;margin-bottom:10px;color:var(--navy)}
.post-card p{font-size:13px;color:var(--muted);margin-bottom:12px}
.post-card .read{color:var(--blue);font-weight:700;font-size:13px}

.article{padding:36px 20px 70px;max-width:820px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.article h1{font-size:32px;margin-bottom:8px}
.article .meta{color:var(--muted);font-size:13px;margin-bottom:22px}
.article p{margin-bottom:18px;font-size:16px}
.cta-box{background:var(--navy);color:#fff;border-radius:12px;padding:30px;text-align:center;margin:30px 0}
.cta-box h3{color:#fff;margin-bottom:8px}
.cta-box p{color:#cfe0f5;margin-bottom:18px}
.cta-box .btn{margin:0 6px}
.back{margin-top:20px}

@media(max-width:900px){
  .stat-grid,.why-grid,.feat-grid,.post-grid,.footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:32px}
  .main-nav{display:none}
}
@media(max-width:560px){
  .stat-grid,.why-grid,.feat-grid,.post-grid,.footer-grid{grid-template-columns:1fr}
}

/* ===== Logo ===== */
.brand-logo{height:46px;width:auto;display:block;filter:drop-shadow(0 1px 3px rgba(0,0,0,.3));background:#fff;border-radius:8px;padding:4px 8px}

/* ===== YouTube video ===== */
.video-section{padding:70px 0;background:linear-gradient(120deg,#0d2a4d,#10325c);color:#fff}
.video-section h2{color:#fff;font-size:30px;margin-bottom:10px}
.video-section p{color:#cfe0f5;margin-bottom:26px}
.video-wrap{position:relative;width:100%;max-width:860px;margin:0 auto 26px;aspect-ratio:16/9;border-radius:14px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12)}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ===== Scroll reveal animation ===== */
.reveal,.stat,.why-card,.feat-card,.faq-item,.post-card{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in-view,.in-view.stat,.in-view.why-card,.in-view.feat-card,.in-view.faq-item,.in-view.post-card{opacity:1;transform:translateY(0)}
/* stagger grid children */
.stat:nth-child(2),.why-card:nth-child(2),.feat-card:nth-child(2),.post-card:nth-child(2){transition-delay:.06s}
.stat:nth-child(3),.why-card:nth-child(3),.feat-card:nth-child(3),.post-card:nth-child(3){transition-delay:.12s}
.why-card:nth-child(4),.feat-card:nth-child(4),.post-card:nth-child(4){transition-delay:.18s}

/* hover micro-interactions */
.stat,.why-card,.feat-card{transition:opacity .6s ease,transform .6s ease,box-shadow .25s ease}
.why-card:hover,.feat-card:hover,.stat:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(10,35,66,.16)}
.btn{box-shadow:0 4px 14px rgba(31,122,224,.25)}
.btn-tg{box-shadow:0 4px 14px rgba(34,158,217,.3)}

/* hero entrance */
.hero h1{animation:fadeUp .7s ease both}
.hero p{animation:fadeUp .7s ease .15s both}
.hero-cta{animation:fadeUp .7s ease .3s both}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* floating telegram pulse */
.tg-float{animation:tgpulse 2.2s infinite}
@keyframes tgpulse{0%{box-shadow:0 6px 18px rgba(0,0,0,.3),0 0 0 0 rgba(34,158,217,.5)}70%{box-shadow:0 6px 18px rgba(0,0,0,.3),0 0 0 16px rgba(34,158,217,0)}100%{box-shadow:0 6px 18px rgba(0,0,0,.3),0 0 0 0 rgba(34,158,217,0)}}

@media(prefers-reduced-motion:reduce){
  .reveal,.stat,.why-card,.feat-card,.faq-item,.post-card,.hero h1,.hero p,.hero-cta{opacity:1;transform:none;animation:none;transition:none}
  .tg-float{animation:none}
}

/* ===== MOBILE: center all content ===== */
@media(max-width:760px){
  .hero{padding:54px 0}
  .hero-text{max-width:100%;text-align:center;margin:0 auto}
  .hero h1{font-size:27px}
  .hero-cta{justify-content:center}
  .hero-cta .btn,.app-section .btn{width:100%;max-width:320px}
  .nav-inner{justify-content:center;text-align:center;flex-direction:column;align-items:center;gap:10px}
  .nav-cta{display:none}
  .tg-float{display:flex}
  .stat,.why-card,.feat-card{text-align:center}
  .article{text-align:center}
  .article h1,.article h2,.article h3{text-align:center}
  .crumbs{text-align:center}
  .post-card a{text-align:center}
  .footer-grid{text-align:center}
  .footer-grid .btn{margin:0 auto}
  .site-footer ul{padding:0}
  .blog-hero,.video-section,.app-section,.blog-teaser{text-align:center}
}