/* Reset & base */
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
:root{
  --bg:#0e0f13; --panel:#16181f; --card:#1b1e27; --text:#e9e9ef; --muted:#a7a7b5;
  --accent:#8B3DFF; --accent-2:#B57CFF; --ok:#14d39e; --warn:#ffcc4d; --err:#ff5d6c;
  --radius:16px; --shadow:0 10px 30px rgba(0,0,0,.45); --headerH:80px;
}
body{
  font:16px/1.6 "Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg); color:var(--text);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.container{width:min(1240px,92%); margin:0 auto}

/* ===== HEADER (стабилен на ПК) ===== */
.header{
  position:fixed; top:0; left:0; right:0; z-index:2147483647;
  background:rgba(14,15,19,.72);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.06);
  padding-top:env(safe-area-inset-top);
}
.header>.container{
  /* 3 зоны: бренд | нав | кнопки */
  display:flex; align-items:center; gap:12px; min-width:0;
  padding-left:env(safe-area-inset-left); padding-right:env(safe-area-inset-right);
}
.brand{display:flex; align-items:center; gap:12px; color:#fff; text-decoration:none; font-weight:800; letter-spacing:.5px; flex:0 0 auto}
.brand img{height:40px; width:auto; filter:drop-shadow(0 4px 14px rgba(139,61,255,.45));}

/* Центр-меню занимает РОВНО оставшееся место. Ничего не «залезает». */
.nav-links{
  flex:1 1 auto; min-width:0;            /* берём весь остаток, можно сжиматься */
  display:flex; align-items:center; justify-content:center;
  gap:clamp(12px,1.8vw,26px);
  overflow:hidden;                        /* не даём наезжать на лого/кнопки */
}
.nav-link{
  position:relative; white-space:nowrap; flex:0 0 auto;
  color:var(--muted); text-decoration:none; font-weight:700;
  font-size:clamp(14px,1.05vw,16px); padding:12px 10px; border-radius:10px;
  transition:color .2s ease;
}
.nav-link::after{
  content:""; position:absolute; left:10px; right:10px; bottom:6px; height:2px;
  transform:scaleX(0); transform-origin:left;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  border-radius:2px; transition:transform .25s ease;
}
.nav-link:hover{color:#fff; background:rgba(255,255,255,.03)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}

/* Кнопки справа */
.ctas{display:flex; align-items:center; gap:10px; flex:0 0 auto}
.btn{border:none; border-radius:12px; padding:12px 18px; font-weight:700; color:#fff; background:var(--panel); cursor:pointer; transition:.2s transform,.2s background}
.btn:hover{transform:translateY(-1px); background:#1f2330}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2)); box-shadow:0 10px 20px rgba(139,61,255,.35)}
.btn.primary:hover{filter:brightness(1.06)}
.lang{display:flex; gap:8px; margin-left:8px}
.lang button{background:transparent; color:var(--muted); border:1px solid rgba(255,255,255,.1); padding:8px 12px; border-radius:12px; cursor:pointer; font-size:14px}
.lang button.active,.lang button:hover{color:#fff; border-color:var(--accent)}

/* ===== HERO ===== */
.hero{padding:72px 0 56px; position:relative}
.hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:42px; align-items:center}
.hero h1{font-size:clamp(28px,4vw,48px); line-height:1.1; margin-bottom:14px}
.hero p{color:var(--muted); font-size:clamp(15px,1.6vw,18px); margin-bottom:22px}
.hero .lead{font-weight:600; color:#fff; opacity:.95}
.hero-card{background:linear-gradient(180deg, rgba(139,61,255,.14), rgba(0,0,0,0)); border:1px solid rgba(255,255,255,.08); padding:26px; border-radius:var(--radius)}
.badges{display:flex; gap:10px; flex-wrap:wrap; margin:14px 0 20px}
.badge{border:1px solid rgba(255,255,255,.12); color:#cfd1db; padding:6px 10px; border-radius:999px; font-size:12px}
.kpis{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:16px}
.kpi{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:14px; padding:14px}
.kpi b{font-size:20px; display:block}
.kpi span{color:var(--muted); font-size:12px}

/* ===== Sections / anchor offset ===== */
.section{padding:64px 0}
.anchor{scroll-margin-top:calc(var(--headerH) + 12px)}
.section-head{margin-bottom:22px}
.section h2{font-size:clamp(22px,2.6vw,32px)}
.section .sub{color:var(--muted); margin-top:8px}

/* ===== About ===== */
.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.feature-card{position:relative; background:var(--card); border-radius:20px; padding:20px; overflow:hidden; transform:translateZ(0)}
.feature-card::before{
  content:""; position:absolute; inset:-1px; border-radius:22px; padding:1px;
  background:linear-gradient(135deg, rgba(139,61,255,.6), rgba(181,124,255,.15));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
}
.feature-card:hover{transform:translateY(-2px)}
.feature-card:hover .feature-icon{filter:brightness(1.07)}
.feature-icon{
  width:56px; height:56px; border-radius:14px; display:grid; place-items:center; margin-bottom:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2)); box-shadow:0 10px 22px rgba(139,61,255,.25); color:#fff;
}
.feature-icon svg{width:26px; height:26px; display:block}
.feature-icon svg *, .feature-icon svg [fill]{fill:currentColor !important}
.feature-icon img{display:block; width:26px; height:26px; object-fit:contain; filter:brightness(0) invert(1)}
.feature-body h3{font-size:18px; margin-bottom:6px}
.feature-body p{color:var(--muted)}

/* ===== Benefits ===== */
.benefits-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.benefit{position:relative; isolation:isolate; background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:18px; padding:20px; box-shadow:var(--shadow); transition:transform .2s ease, box-shadow .2s ease}
.benefit::after{content:""; position:absolute; inset:0; background:radial-gradient(600px 240px at 0 -20%, rgba(139,61,255,.16), transparent 60%); opacity:0; transition:opacity .25s ease; z-index:-1}
.benefit:hover{transform:translateY(-3px)}
.benefit:hover::after{opacity:1}
.benefit-top{display:flex; align-items:center; gap:10px; margin-bottom:8px}
.pill{display:inline-grid; place-items:center; width:28px; height:28px; font-weight:800; border-radius:999px; background:linear-gradient(135deg,var(--accent),var(--accent-2))}

/* ===== Generic cards ===== */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.card{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:16px; padding:20px; box-shadow:var(--shadow)}
.card h3{font-size:18px; margin-bottom:6px}
.card p{color:var(--muted)}

/* Steps (фикс нумерации) */
.steps{counter-reset:step}
.section#how .card{counter-reset:step}
.step{position:relative; padding-left:44px}
.step:not(:last-child){margin-bottom:16px}
.step:before{
  counter-increment:step; content:counter(step);
  position:absolute; left:0; top:.2rem; width:28px; height:28px; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2)); border-radius:999px; font-weight:800
}

/* Logos row */
.logos{display:grid; grid-template-columns:repeat(6,1fr); gap:14px}
.logos img{width:100%; height:40px; object-fit:contain; opacity:.85; filter:grayscale(100%) contrast(110%)}
.logos img:hover{opacity:1; filter:none}

/* FAQ */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08); padding:14px 0}
.faq-q{display:flex; justify-content:space-between; gap:16px; cursor:pointer; font-weight:700}
.faq-a{display:none; color:var(--muted); padding-top:8px}
.faq-item.open .faq-a{display:block}

/* Contact */
.contact{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.input,textarea{width:100%; background:#12131a; color:#fff; border:1px solid rgba(255,255,255,.08); border-radius:12px; padding:12px 14px}
textarea{min-height:120px; resize:vertical}
.socials{display:flex; gap:12px; margin-top:12px}
.socials a{width:38px; height:38px; display:grid; place-items:center; border:1px solid rgba(255,255,255,.12); border-radius:10px; color:#cfd1db}
.socials a:hover{border-color:var(--accent); color:#fff}

/* Footer */
.footer{padding:32px 0 calc(36px + env(safe-area-inset-bottom)); background:rgba(0,0,0,.2); border-top:1px solid rgba(255,255,255,.06)}
@supports (-webkit-touch-callout:none){ .footer{padding-bottom:calc(36px + constant(safe-area-inset-bottom));} }
.footer .top{display:grid; grid-template-columns:1fr 1fr; gap:18px; align-items:center}
.footer .copy{color:#a8a8b4; font-size:13px; margin-top:10px}
.footer-lang{display:none; margin-top:16px}
.footer-lang .lang{margin-left:0}

/* Modal */
.modal{position:fixed; inset:0; display:none; place-items:center; background:rgba(6,7,10,.6); backdrop-filter:blur(6px); z-index:2000}
.modal.open{display:grid; animation:fade .2s ease-out}
@keyframes fade{from{opacity:0} to{opacity:1}}
.modal-card{width:min(480px,92%); background:var(--panel); border:1px solid rgba(255,255,255,.08); border-radius:20px; padding:22px; box-shadow:var(--shadow); transform:translateY(8px); animation:pop .24s ease-out forwards}
@keyframes pop{to{transform:none}}
.modal-header{display:flex; justify-content:space-between; align-items:center; margin-bottom:12px}
.modal-header h3{font-size:20px}
.close{background:transparent; border:none; color:#cfd1db; font-size:22px; cursor:pointer}
.form .row{display:grid; gap:10px; margin:10px 0}
.form label{font-size:13px; color:#c9c9d6}
.form .actions{display:flex; gap:10px; justify-content:space-between; align-items:center; margin-top:10px}

/* ===== Burger ===== */
.burger{position:relative; width:38px; height:38px; display:none; align-items:center; justify-content:center; border:1px solid rgba(255,255,255,.16); border-radius:10px; background:rgba(255,255,255,.03)}
.burger::before{content:""; position:absolute; left:10px; right:10px; top:50%; transform:translateY(-50%); height:3px; background:#e9e9ef; border-radius:2px; box-shadow:0 -8px 0 0 #e9e9ef, 0 8px 0 0 #e9e9ef}

/* ===== Drawer ===== */
.drawer-backdrop{position:fixed; inset:0; background:rgba(0,0,0,.5); backdrop-filter:blur(4px); opacity:0; pointer-events:none; transition:opacity .2s ease; z-index:2147483647}
.drawer{
  position:fixed; top:0; right:0; height:100dvh; width:min(420px,92vw); background:var(--panel); border-left:1px solid rgba(255,255,255,.08);
  transform:translateX(100%); transition:transform .25s ease; z-index:2147483647; display:flex; flex-direction:column;
  padding: calc(env(safe-area-inset-top) + 16px) 18px calc(env(safe-area-inset-bottom) + 24px);
}
.drawer-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; padding-bottom:8px; border-bottom:1px solid rgba(255,255,255,.08)}
.drawer a{display:block; padding:14px 4px; color:#cfd1db; text-decoration:none; border-bottom:1px dashed rgba(255,255,255,.06); font-size:16px}
.drawer a:hover{color:#fff}
.drawer-actions{margin-top:auto; display:grid; gap:12px}
.drawer-buttons{display:flex; gap:10px}
.drawer-close{background:transparent; border:1px solid rgba(255,255,255,.12); color:#cfd1db; font-size:22px; width:36px; height:36px; border-radius:8px; cursor:pointer}

/* Body state when drawer open */
body.drawer-open{overflow:hidden}
body.drawer-open .drawer{transform:none}
body.drawer-open .drawer-backdrop{opacity:1; pointer-events:auto}
.header{z-index:2147483646 !important}

/* ===== BG ===== */
.bg-canvas{position:fixed; inset:0; width:100%; height:100%; z-index:1; pointer-events:none}
main,.footer{position:relative; z-index:2}
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(139,61,255,.12), transparent 60%),
    radial-gradient(700px 400px at 10% 110%, rgba(139,61,255,.08), transparent 60%),
    linear-gradient(to bottom, rgba(0,0,0,.0), rgba(0,0,0,.25) 70%, rgba(0,0,0,.35));
}
@media (prefers-reduced-motion:reduce){
  .bg-canvas{display:none} body::before{background:none} body{background:#0e0f13}
}

/* ===== Responsive ===== */
@media (max-width:1400px){ .brand span{display:none} }
@media (max-width:1200px){
  .nav-link{font-size:15px; padding:10px 8px}
  .nav-links{gap:clamp(10px,1.6vw,18px)}
}
@media (max-width:1100px){
  /* когда мало места на узких десктопах — убираем второстепенные пункты,
     они остаются в мобильном меню/дроуэре */
  .nav-links a[href="#contacts"], .nav-links a[href="#faq"]{display:none}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .logos{grid-template-columns:repeat(3,1fr)}
  .contact{grid-template-columns:1fr}
  .footer .top{grid-template-columns:1fr}
}
@media (max-width:768px){
  .burger{display:inline-flex}
  .nav-links{display:none !important}
  .ctas > :not(.burger){display:none !important}
  .ctas{gap:8px}
  .header .lang{display:none !important}
  .footer-lang{display:block}
}
@media (max-width:560px){
  .brand img{height:34px}
  .ctas .btn{padding:8px 12px}
  .header>.container{gap:10px}
}
@media (max-width:390px){ .brand span{display:none} }
.hidden{display:none!important;}
.form .check{display:flex; gap:8px; align-items:center}