:root{
  --bg:#0a0d14;
  --bg-soft:#0e131c;
  --panel:#11161f;
  --panel-border:#1e2531;
  --white:#f5f7fb;
  --muted:#8b93a3;
  --muted-2:#5f6879;
  --blue:#3d6bff;
  --blue-2:#5b8bff;
  --blue-glow: rgba(61,107,255,.35);
  --radius: 18px;
  --maxw: 1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--white);
  font-family:'Manrope', system-ui, sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.logo{font-family:'Sora', 'Manrope', sans-serif;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700;
  color:var(--blue-2);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--blue-2);display:inline-block;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 28px;border-radius:100px;font-weight:700;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 8px 24px var(--blue-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px var(--blue-glow);}
.btn-ghost{background:transparent;color:var(--white);border-color:var(--panel-border);}
.btn-ghost:hover{border-color:var(--blue-2);color:var(--blue-2);}
.btn-sm{padding:10px 18px;font-size:13px;}

/* HEADER */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,13,20,.75);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--panel-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;font-size:26px;font-weight:800;letter-spacing:.01em;}
.logo span{color:var(--blue-2);}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--muted);transition:.2s;}
.nav-links a:hover{color:var(--white);}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;}
.burger span{width:24px;height:2px;background:var(--white);border-radius:2px;}
.header-phone{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--white);white-space:nowrap;transition:.2s;}
.header-phone .ico{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;background:rgba(61,107,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.header-phone .ico svg{width:16px;height:16px;stroke:var(--blue-2);}
.header-phone:hover{color:var(--blue-2);}
.mobile-nav .header-phone{margin-top:10px;font-size:17px;}

/* HERO */
.hero{
  padding:190px 0 120px;
  background:
    radial-gradient(700px 380px at 85% 0%, var(--blue-glow), transparent 60%),
    radial-gradient(500px 300px at 10% 30%, rgba(61,107,255,.12), transparent 60%);
}
.hero-grid{position:absolute;inset:0;top:0;height:900px;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:64px 64px;mask-image:linear-gradient(to bottom, black, transparent 80%);pointer-events:none;}
.hero-inner{position:relative;text-align:center;}
.hero-logo{font-size:clamp(56px,10vw,120px);font-weight:800;letter-spacing:-.01em;line-height:1;margin:0 0 26px;}
.hero-logo span{color:var(--blue-2);}
.hero h1{
  font-size:clamp(24px,3.4vw,40px);font-weight:700;margin:0 auto 22px;max-width:820px;line-height:1.25;
  background:linear-gradient(90deg,#fff,#c7d2e6);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.sub{max-width:640px;margin:0 auto 40px;color:var(--muted);font-size:17px;line-height:1.7;}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-tags{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;color:var(--muted-2);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;}
.hero-tags span{padding:6px 14px;border:1px solid var(--panel-border);border-radius:100px;}

/* SECTION HEADINGS */
.section-head{max-width:640px;margin:0 0 56px;}
.section-head.center{margin:0 auto 56px;text-align:center;}
.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.2;margin:0 0 18px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.7;margin:0;}
section .pad{padding:110px 0;}
section .pad.tight{padding:90px 0;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--panel-border),transparent);}

/* SERVICES (Block 2) */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);
  padding:36px 30px;transition:.25s ease;
}
.service-card:hover{border-color:rgba(61,107,255,.5);transform:translateY(-4px);}
.service-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(61,107,255,.22),rgba(61,107,255,.06));margin-bottom:22px;
}
.service-icon svg{width:26px;height:26px;stroke:var(--blue-2);}
.service-card h3{font-size:19px;margin:0 0 12px;font-weight:700;}
.service-card p{color:var(--muted);font-size:14.5px;line-height:1.7;margin:0 0 16px;}
.service-card ul{display:flex;flex-direction:column;gap:8px;}
.service-card li{font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.service-card li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue-2);margin-top:7px;flex-shrink:0;}
.ai-strip{
  margin-top:36px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(90deg, rgba(61,107,255,.12), rgba(61,107,255,.02));
  border:1px solid rgba(61,107,255,.25);border-radius:var(--radius);padding:24px 30px;
}
.ai-strip .tag{
  flex-shrink:0;font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));padding:8px 16px;border-radius:100px;
}
.ai-strip p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.6;}

/* SUPPORT (Block 3) */
.support{
  background:var(--bg-soft);border-top:1px solid var(--panel-border);border-bottom:1px solid var(--panel-border);
}
.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.support-stat{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:34px;
}
.support-stat .num{font-size:56px;font-weight:800;color:var(--blue-2);line-height:1;margin-bottom:10px;}
.support-stat .label{color:var(--muted);font-size:14.5px;line-height:1.6;}
.support-points{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.support-point{display:flex;gap:16px;align-items:flex-start;}
.support-point .check{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;background:rgba(61,107,255,.15);
  display:flex;align-items:center;justify-content:center;color:var(--blue-2);font-weight:800;
}
.support-point p{margin:0;color:var(--muted);font-size:15px;line-height:1.6;}
.support-point strong{color:var(--white);}

/* ADVANTAGES (Block 4) */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv-card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:30px;
}
.adv-num{font-size:13px;font-weight:800;color:var(--muted-2);letter-spacing:.08em;margin-bottom:16px;}
.adv-card h3{font-size:17.5px;margin:0 0 10px;font-weight:700;}
.adv-card p{color:var(--muted);font-size:14px;line-height:1.65;margin:0;}

/* CASES (Block 5) */
.tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:44px;}
.tab-btn{
  padding:11px 22px;border-radius:100px;border:1px solid var(--panel-border);background:var(--panel);
  color:var(--muted);font-weight:700;font-size:14px;cursor:pointer;transition:.2s;
}
.tab-btn:hover{color:var(--white);}
.tab-btn.active{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border-color:transparent;}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tab-panel{display:none;}
.tab-panel.active{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;animation:fade .35s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.case-card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);overflow:hidden;
  transition:.25s;
}
.case-card:hover{border-color:rgba(61,107,255,.5);transform:translateY(-4px);}
.case-thumb{
  aspect-ratio:2600/1273;position:relative;overflow:hidden;
  background:
    linear-gradient(135deg, rgba(61,107,255,.28), rgba(255,255,255,.03)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 10px, transparent 10px 20px);
}
.case-thumb img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;transition:.35s ease;}
.case-thumb.placeholder{aspect-ratio:2600/1273;}
.case-card:hover .case-thumb img{transform:scale(1.04);}
.case-thumb.placeholder{
  display:flex;align-items:center;justify-content:center;color:var(--muted-2);font-size:13px;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;
}
.case-thumb.placeholder::after{content:"Замінити фото проєкту";}
.case-body{padding:22px 24px 26px;}
.case-cat{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-2);margin-bottom:8px;}
.case-body h4{margin:0 0 12px;font-size:17px;font-weight:700;}
.case-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--muted);}
.case-link svg{width:14px;height:14px;stroke:currentColor;}
.case-link:hover{color:var(--blue-2);}

/* CONTACT FORM (Block 6) */
.contact{
  background:
    radial-gradient(600px 320px at 15% 0%, var(--blue-glow), transparent 60%);
}
.contact-inner{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;
}
.contact-info h2{font-size:clamp(28px,4vw,40px);font-weight:700;margin:0 0 18px;line-height:1.2;}
.contact-info p{color:var(--muted);font-size:15.5px;line-height:1.7;margin:0 0 30px;}
.contact-detail{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
.contact-detail .ico{
  flex-shrink:0;width:40px;height:40px;border-radius:11px;background:rgba(61,107,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.contact-detail .ico svg{width:19px;height:19px;stroke:var(--blue-2);}
.contact-detail .t{font-size:12px;color:var(--muted-2);font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px;}
.contact-detail .v{font-size:15px;font-weight:600;}
.contact-detail .v a{transition:.2s;}
.contact-detail .v a:hover{color:var(--blue-2);}

.messenger-row{display:flex;gap:12px;margin-top:8px;}
.messenger-btn{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--panel-border);transition:.2s ease;
}
.messenger-btn svg{width:20px;height:20px;}
.messenger-btn:hover{transform:translateY(-2px);}
.messenger-telegram{color:#8ec9f5;}
.messenger-telegram:hover{background:rgba(41,169,235,.15);border-color:#29a9eb;color:#29a9eb;}
.messenger-viber{color:#b5a8f2;}
.messenger-viber:hover{background:rgba(124,93,242,.15);border-color:#7c5df2;color:#7c5df2;}
.messenger-whatsapp{color:#7fe0a3;}
.messenger-whatsapp:hover{background:rgba(37,211,102,.15);border-color:#25d366;color:#25d366;}
.contact-form{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:22px;padding:36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;background:var(--bg-soft);border:1px solid var(--panel-border);border-radius:12px;
  padding:14px 16px;color:var(--white);font-family:inherit;font-size:14.5px;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue-2);}
.field textarea{resize:vertical;min-height:110px;}
.field-check{display:flex;align-items:flex-start;gap:10px;margin-bottom:22px;}
.field-check input{width:18px;height:18px;margin-top:2px;flex-shrink:0;accent-color:var(--blue);}
.field-check label{font-size:13px;color:var(--muted);font-weight:500;line-height:1.5;}
.contact-form .btn{width:100%;}
.form-note{font-size:12px;color:var(--muted-2);text-align:center;margin-top:14px;}

/* FOOTER */
footer{border-top:1px solid var(--panel-border);padding:40px 0;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-inner .logo{font-size:20px;}
footer .copy{color:var(--muted-2);font-size:13.5px;}
.footer-links{display:flex;gap:22px;}
.footer-links a{font-size:13.5px;color:var(--muted);}
.footer-links a:hover{color:var(--blue-2);}

@media (max-width: 900px){
  .services-grid,.adv-grid,.cases-grid,.tab-panel.active{grid-template-columns:1fr 1fr;}
  .support-grid,.contact-inner{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .header-phone{display:none;}
  .burger{display:flex;}
}
@media (max-width: 600px){
  .services-grid,.adv-grid,.cases-grid,.tab-panel.active{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .hero{padding:150px 0 80px;}
  section .pad{padding:70px 0;}
}

/* mobile nav panel */
.mobile-nav{
  position:fixed;inset:76px 0 0 0;background:var(--bg);z-index:99;padding:30px 24px;
  display:none;flex-direction:column;gap:6px;
}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:16px 4px;border-bottom:1px solid var(--panel-border);font-size:17px;font-weight:600;}