:root{
  --navy:#06121f;
  --navy-2:#0a1c30;
  --navy-3:#0f2740;
  --ink:#0b1c2c;
  --muted:#5d7186;
  --muted-light:#9fb3c8;
  --cyan:#06b6d4;
  --cyan-soft:#67e8f9;
  --blue:#2563eb;
  --mint:#2dd4bf;
  --paper:#f3f7fb;
  --card:#ffffff;
  --line:#e3edf5;
  --line-dark:rgba(255,255,255,.09);
  --grad:linear-gradient(135deg,#06b6d4 0%,#2563eb 100%);
  --radius:26px;
  --shadow:0 24px 60px -24px rgba(6,30,55,.25);
  --shadow-dark:0 30px 70px -30px rgba(0,0,0,.6);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
section{scroll-margin-top:96px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,.disp{font-family:'Unbounded',sans-serif;line-height:1.18;font-weight:600}

/* ---------- HEADER ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .35s ease, box-shadow .35s ease, border-color .35s;
  border-bottom:1px solid transparent;
}
.topbar.scrolled{
  background:rgba(6,18,31,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line-dark);
}
.topbar-inner{display:flex;align-items:center;gap:30px;height:78px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);
  display:grid;place-items:center;flex:none;
  box-shadow:0 10px 24px -8px rgba(6,182,212,.65);
}
.logo-mark svg{width:24px;height:24px}
.logo-text b{font-family:'Unbounded';font-weight:600;font-size:13px;letter-spacing:.00em;display:block;line-height:1.2}
.logo-text span{font-size:10px;color:var(--muted-light);letter-spacing:.14em;text-transform:uppercase}
.mainnav{margin-left:auto;display:flex;gap:26px}
.mainnav a{color:rgba(255,255,255,.78);font-size:14.5px;font-weight:600;position:relative;padding:6px 0;transition:color .25s}
.mainnav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--grad);transition:width .3s}
.mainnav a:hover{color:#fff}
.mainnav a:hover::after{width:100%}
.topbar-phone{color:#fff;font-weight:800;font-size:15px;white-space:nowrap}
.topbar-phone small{display:block;font-size:10.5px;font-weight:600;color:var(--muted-light);letter-spacing:.08em}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:none;border-radius:16px;font-weight:800;font-size:15px;
  padding:15px 28px;transition:transform .25s, box-shadow .25s, background .25s, color .25s;
  position:relative;overflow:hidden;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 34px -12px rgba(6,182,212,.65)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px -12px rgba(6,182,212,.8)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 18px 40px -14px rgba(0,0,0,.5)}
.btn-sm{padding:11px 10px;font-size:12.0px;border-radius:13px}
.burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:13px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;z-index:99;background:rgba(6,18,31,.97);backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:100px 32px 40px;
  transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1);
}
body.menu-open .mobile-menu{transform:none}
.mobile-menu a{color:#fff;font-family:'Unbounded';font-size:22px;padding:12px 0;border-bottom:1px solid var(--line-dark)}
.mobile-menu .mm-contacts{margin-top:22px;color:var(--muted-light);font-size:14px;line-height:1.9;border:none}

/* ---------- DROPDOWN ---------- */
.nav-drop{position:relative}
.nav-drop-btn{
  background:none;border:none;color:rgba(255,255,255,.78);font-size:14.5px;font-weight:600;
  padding:6px 0;display:inline-flex;align-items:center;gap:7px;transition:color .25s;font-family:inherit;
  position:relative;
}
.nav-drop-btn .chev{width:13px;height:13px;transition:transform .3s}
.nav-drop-btn::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--grad);transition:width .3s}
.nav-drop-btn:hover,.nav-drop:hover .nav-drop-btn,.nav-drop.open .nav-drop-btn{color:#fff}
.nav-drop-btn:hover::after,.nav-drop:hover .nav-drop-btn::after,.nav-drop.open .nav-drop-btn::after{width:100%}
.nav-drop:hover .nav-drop-btn .chev,.nav-drop.open .nav-drop-btn .chev,.nav-drop-btn:focus-visible+.nav-drop-menu~* .chev{transform:rotate(180deg)}
.nav-drop-menu{
  position:absolute;top:calc(100% + 16px);left:-18px;min-width:308px;z-index:120;
  background:rgba(10,28,48,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:10px;
  box-shadow:var(--shadow-dark);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease, transform .28s cubic-bezier(.22,1,.36,1), visibility .28s;
}
.nav-drop-menu::before{content:"";position:absolute;top:-18px;left:0;right:0;height:18px}
.nav-drop-menu::after{
  content:"";position:absolute;top:-5px;left:34px;width:10px;height:10px;
  background:rgba(10,28,48,.94);border-left:1px solid rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14);
  transform:rotate(45deg);
}
.nav-drop:hover .nav-drop-menu,.nav-drop.open .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nd-item{display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:14px;color:#fff;transition:background .25s, transform .25s}
.nd-item:hover{background:rgba(6,182,212,.16);transform:translateX(3px)}
.nd-icon{width:40px;height:40px;flex:none;border-radius:12px;background:rgba(6,182,212,.14);border:1px solid rgba(6,182,212,.4);display:grid;place-items:center;color:var(--cyan-soft);transition:background .25s}
.nd-item:hover .nd-icon{background:var(--grad);color:#fff;border-color:transparent}
.nd-icon svg{width:20px;height:20px}
.nd-text b{display:block;font-size:14px;font-weight:800;line-height:1.35}
.nd-text small{font-size:11.5px;color:var(--muted-light);font-weight:600}
.nd-arrow{margin-left:auto;width:16px;height:16px;color:var(--muted-light);flex:none;transition:transform .25s, color .25s}
.nd-item:hover .nd-arrow{transform:translateX(4px);color:var(--cyan-soft)}
.nd-divider{height:1px;background:var(--line-dark);margin:8px 12px}
.nd-foot{display:flex;align-items:center;justify-content:space-between;padding:10px 14px 8px;font-size:12px;color:var(--muted-light);font-weight:700}
.nd-foot a{color:var(--cyan-soft);padding:0}
.nd-foot a:hover{color:#fff}
.nd-foot a::after{display:none}

.topbar-phone{color:#fff;font-weight:800;font-size:15px;white-space:nowrap}
.topbar-phone small{display:block;font-size:10.5px;font-weight:600;color:var(--muted-light);letter-spacing:.08em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:none;border-radius:16px;font-weight:800;font-size:15px;padding:15px 28px;transition:transform .25s, box-shadow .25s, background .25s, color .25s;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 34px -12px rgba(6,182,212,.65)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px -12px rgba(6,182,212,.8)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 18px 40px -14px rgba(0,0,0,.5)}
.btn-sm{padding:11px 20px;font-size:13.5px;border-radius:13px}
.burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:13px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:99;background:rgba(6,18,31,.97);backdrop-filter:blur(20px);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:100px 32px 40px;transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1);overflow-y:auto}
body.menu-open .mobile-menu{transform:none}
.mobile-menu a{color:#fff;font-family:'Unbounded';font-size:20px;padding:12px 0;border-bottom:1px solid var(--line-dark)}
.mobile-menu .mm-sub{font-family:'Manrope';font-size:16px;font-weight:700;color:var(--cyan-soft);padding:10px 0 10px 20px;border-bottom:1px solid var(--line-dark);display:flex;align-items:center;gap:10px}
.mobile-menu .mm-sub::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);flex:none}
.mobile-menu .mm-label{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-light);padding:16px 0 4px;border:none;font-family:'Manrope'}
.mobile-menu .mm-contacts{margin-top:22px;color:var(--muted-light);font-size:14px;line-height:1.9;border:none}

/* ---------- FOOTER ---------- */
footer{background:#040d17;color:var(--muted-light);padding:64px 0 30px}
.ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid var(--line-dark)}
.ft-grid h4{color:#fff;font-family:'Unbounded';font-size:14px;margin-bottom:18px;letter-spacing:.06em}
.ft-grid a{display:flex;padding:5px 0;font-size:14px;transition:color .25s}
.ft-grid a:hover{color:var(--cyan-soft)}
.ft-about p{font-size:14px;margin:18px 0;max-width:320px}
.ft-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:26px;font-size:12.5px}
.ft-note{color:#54687d}

/* ---------- TOAST ---------- */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,140%);z-index:200;background:var(--navy);color:#fff;border:1px solid rgba(103,232,249,.4);border-radius:18px;padding:16px 26px;font-weight:700;font-size:14.5px;box-shadow:var(--shadow-dark);display:flex;align-items:center;gap:12px;transition:transform .5s cubic-bezier(.22,1,.36,1);max-width:92vw}
.toast.show{transform:translate(-50%,0)}
.toast svg{width:22px;height:22px;color:var(--mint);flex:none}