*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg:    #05080f;
      --bg2:   #070b17;
      --bg3:   #0a1020;
      --card:  #0c1525;
      --card2: #0f1c32;
      --border:  #142035;
      --border2: #1c3050;
      --gold:    #f0b429;
      --gold2:   #c88a10;
      --blue:    #3b82f6;
      --cyan:    #00c8ff;
      --purple:  #7c4dff;
      --green:   #00e676;
      --text:    #d4e4f7;
      --text2:   #7a90b0;
      --text3:   #3a5070;
      --white:   #ffffff;
      --font:  'Inter', -apple-system, sans-serif;
      --mono:  'JetBrains Mono', monospace;
      --r:    10px;  --r-lg: 16px;  --r-xl: 24px;
      --shadow:      0 8px 32px rgba(0,0,0,.6);
      --shadow-gold: 0 0 50px rgba(240,180,41,.1);
      --tr: all .28s cubic-bezier(.4,0,.2,1);
    }

    html { scroll-behavior: smooth; }
    body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; overflow-x: hidden; }
    a { color: var(--gold); text-decoration: none; transition: var(--tr); }
    a:hover { opacity: .8; }
    h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; letter-spacing: -.02em; color: var(--white); }

    .label {
      font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
      color: var(--gold); margin-bottom: .75rem; display: block;
    }
    .section-title { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 1rem; }
    .section-desc  { font-size: 1.05rem; color: var(--text2); max-width: 640px; line-height: 1.7; }
    .gradient-text {
      background: linear-gradient(135deg, var(--gold) 0%, #f5c842 40%, #ff9040 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .mono  { font-family: var(--mono); }
    .code-chip {
      display: inline-block; font-family: var(--mono); font-size: .78rem;
      padding: 2px 8px; border-radius: 5px;
      background: rgba(240,180,41,.1); border: 1px solid rgba(240,180,41,.2); color: var(--gold);
      margin: 1px;
    }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    section { padding: 96px 0; }
    .section-head { margin-bottom: 56px; }
    .section-head.center { text-align: center; }
    .section-head.center .section-desc { margin: 0 auto; }

    /* Buttons */
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 12px 24px; border-radius: var(--r); font-size: .95rem;
      font-weight: 600; cursor: pointer; transition: var(--tr);
      border: none; font-family: var(--font); white-space: nowrap; line-height: 1;
    }
    .btn-gold {
      background: linear-gradient(135deg, var(--gold), #e08800);
      color: #060b18; box-shadow: 0 4px 20px rgba(240,180,41,.4);
    }
    .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(240,180,41,.55); opacity:1; }
    .btn-outline-gold {
      background: transparent; color: var(--gold); border: 1.5px solid rgba(240,180,41,.4);
    }
    .btn-outline-gold:hover { background: rgba(240,180,41,.08); border-color: var(--gold); opacity:1; }
    .btn-back {
      background: transparent; color: var(--text2); border: 1.5px solid var(--border2);
      font-size: .9rem;
    }
    .btn-back:hover { color: var(--white); border-color: var(--text2); opacity:1; }
    .btn-lg { padding: 14px 30px; font-size: 1rem; }
    .btn-full { width: 100%; justify-content: center; }

    /* Pills */
    .pill {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 5px 14px; border-radius: 100px; font-size: .8rem; font-weight: 500;
    }
    .pill-gold   { background: rgba(240,180,41,.1); color: var(--gold); border: 1px solid rgba(240,180,41,.22); }
    .pill-blue   { background: rgba(59,130,246,.1); color: #7eb8ff; border: 1px solid rgba(59,130,246,.2); }
    .pill-green  { background: rgba(0,230,118,.1); color: var(--green); border: 1px solid rgba(0,230,118,.2); }
    .pill-cyan   { background: rgba(0,200,255,.1); color: var(--cyan); border: 1px solid rgba(0,200,255,.2); }

    /* Icon box */
    .icon-box {
      width: 48px; height: 48px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0;
    }
    .ib-gold   { background: rgba(240,180,41,.12); border: 1px solid rgba(240,180,41,.2); }
    .ib-blue   { background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.2); }
    .ib-green  { background: rgba(0,230,118,.12); border: 1px solid rgba(0,230,118,.2); }
    .ib-purple { background: rgba(124,77,255,.12); border: 1px solid rgba(124,77,255,.2); }
    .ib-red    { background: rgba(255,68,68,.12); border: 1px solid rgba(255,68,68,.2); }

    .g2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
    .g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

    .card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--r-lg); padding: 28px; transition: var(--tr);
    }
    .card:hover { background: var(--card2); border-color: var(--border2); transform: translateY(-5px); box-shadow: var(--shadow); }

    /* BG grid */
    .bg-grid {
      background-image: linear-gradient(rgba(240,180,41,.015) 1px, transparent 1px),
                        linear-gradient(90deg, rgba(240,180,41,.015) 1px, transparent 1px);
      background-size: 60px 60px;
    }

    /* Animations */
    @keyframes fadeInUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
    @keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
    @keyframes glowPulse {
      0%,100%{box-shadow:0 0 20px rgba(240,180,41,.25)}
      50%{box-shadow:0 0 50px rgba(240,180,41,.55)}
    }

    .fade-up { opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
    .fade-up.in { opacity:1; transform:translateY(0); }

    .blob { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }

    /* ══ HEADER ══ */
    .header { position: fixed; top: 0; left: 0; right: 0; z-index: 900; transition: var(--tr); }
    .header.scrolled {
      background: rgba(5,8,15,.92); backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }

    .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 36px; height: 36px; border-radius: 9px;
      background: linear-gradient(135deg, var(--gold), #c88000);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--mono); font-weight: 700; font-size: .85rem; color: #060b18;
      box-shadow: 0 0 22px rgba(240,180,41,.4); animation: glowPulse 4s ease infinite;
    }
    .logo-wordmark strong { font-size: 1.35rem; font-weight: 900; color: var(--white); letter-spacing: -.02em; }
    .logo-wordmark span { display: block; font-size: .62rem; color: var(--text2); letter-spacing: .05em; font-weight: 400; margin-top: 1px; }

    .header-nav { display: flex; align-items: center; gap: 10px; }
    .burger { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; padding: 4px; }

    /* Mobile nav */
    .mobile-nav {
      display: none; position: fixed; inset: 0; z-index: 800;
      background: rgba(5,8,15,.97); backdrop-filter: blur(20px);
      flex-direction: column; padding: 80px 24px 32px; gap: 6px;
    }
    .mobile-nav.open { display: flex; }
    .mobile-nav-link { padding: 13px 16px; font-size: 1.05rem; color: var(--text2); text-decoration: none; border-radius: 8px; }
    .mobile-nav-link:hover { color: var(--white); background: rgba(255,255,255,.05); }
    .mobile-nav-close { position: absolute; top: 18px; right: 20px; background: none; border: none; color: var(--text2); font-size: 1.5rem; cursor: pointer; }
    .mobile-nav-footer { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

    /* ══ HERO ══ */
    .hero {
      min-height: 100vh; display: flex; align-items: center;
      padding-top: 68px; position: relative; overflow: hidden;
    }
    .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; width: 100%; padding: 60px 0; }
    .hero-content { animation: fadeInUp .8s ease both; }
    .hero-tag {
      display: inline-flex; align-items: center; gap: 7px; padding: 6px 16px; border-radius: 100px;
      margin-bottom: 24px; background: rgba(240,180,41,.08); border: 1px solid rgba(240,180,41,.2);
      font-size: .78rem; font-weight: 600; color: var(--gold); letter-spacing: .07em; text-transform: uppercase;
    }
    .hero-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); animation: blink 2s infinite; }
    .hero-h1 { font-size: clamp(2rem, 4.2vw, 3.3rem); font-weight: 900; line-height: 1.1; letter-spacing: -.04em; margin-bottom: 20px; }
    .hero-sub { font-size: 1.05rem; color: var(--text2); line-height: 1.7; margin-bottom: 32px; max-width: 510px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
    .hero-trust { font-size: .83rem; color: var(--text3); line-height: 1.6; }
    .hero-trust span { color: var(--text2); }

    /* Visual card */
    .hero-visual { animation: fadeInUp .8s ease .2s both; }
    .vis-card {
      background: var(--card); border: 1px solid var(--border2); border-radius: var(--r-xl);
      padding: 28px; box-shadow: var(--shadow), var(--shadow-gold); position: relative; overflow: hidden;
    }
    .vis-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }
    .vis-title { font-size: .82rem; font-weight: 600; color: var(--text2); margin-bottom: 20px; letter-spacing: .05em; text-transform: uppercase; }
    .msg-list { display: flex; flex-direction: column; gap: 10px; }
    .msg-item {
      background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r);
      padding: 14px 16px; display: flex; align-items: center; gap: 14px; transition: var(--tr);
    }
    .msg-item:hover { border-color: rgba(240,180,41,.3); background: rgba(240,180,41,.04); }
    .msg-type {
      font-family: var(--mono); font-size: .78rem; font-weight: 700;
      color: var(--gold); background: rgba(240,180,41,.1); border: 1px solid rgba(240,180,41,.2);
      padding: 4px 10px; border-radius: 6px; flex-shrink: 0; min-width: 90px; text-align: center;
    }
    .msg-desc { font-size: .82rem; color: var(--text2); line-height: 1.4; flex: 1; }
    .msg-status { font-size: .72rem; color: var(--green); font-family: var(--mono); flex-shrink: 0; }
    .vis-footer { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .vis-stat { font-size: .78rem; color: var(--text2); }
    .vis-stat b { color: var(--gold); }

    /* ══ MESSAGE TYPES ══ */
    .msg-types-section { background: var(--bg2); }
    .mt-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: var(--border); border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--border); }
    .mt-item { background: var(--bg2); padding: 32px; transition: var(--tr); }
    .mt-item:hover { background: var(--card); }
    .mt-code {
      font-family: var(--mono); font-size: 1.1rem; font-weight: 700; color: var(--gold);
      background: rgba(240,180,41,.08); border: 1px solid rgba(240,180,41,.15);
      display: inline-block; padding: 6px 14px; border-radius: 8px; margin-bottom: 14px;
    }
    .mt-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
    .mt-text  { font-size: .88rem; color: var(--text2); line-height: 1.65; }

    /* ══ SECURITY ══ */
    .security-section { position: relative; overflow: hidden; }
    .security-banner {
      background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(0,200,255,.06));
      border: 1px solid rgba(59,130,246,.2); border-radius: var(--r-xl);
      padding: 56px; position: relative; overflow: hidden;
    }
    .security-banner::before {
      content: '🔒'; position: absolute; right: 40px; top: 50%; transform: translateY(-50%);
      font-size: 8rem; opacity: .04; pointer-events: none;
    }
    .security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; }
    .sec-item { display: flex; gap: 16px; align-items: flex-start; }
    .sec-item-text h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
    .sec-item-text p  { font-size: .88rem; color: var(--text2); line-height: 1.65; }

    /* ══ COMPLIANCE ══ */
    .compliance-section { background: var(--bg2); }
    .comp-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--r-lg); padding: 28px; transition: var(--tr);
    }
    .comp-card:hover { border-color: rgba(240,180,41,.3); transform: translateY(-4px); box-shadow: var(--shadow); }
    .comp-icon { font-size: 2.2rem; margin-bottom: 14px; }
    .comp-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
    .comp-text  { font-size: .88rem; color: var(--text2); line-height: 1.65; }

    /* ══ POC OFFER ══ */
    .poc-section { position: relative; overflow: hidden; }
    .poc-inner {
      background: linear-gradient(135deg, rgba(240,180,41,.1), rgba(255,140,0,.07));
      border: 1px solid rgba(240,180,41,.25); border-radius: var(--r-xl);
      padding: 64px; text-align: center; position: relative;
    }
    .poc-inner::after {
      content: ''; position: absolute; inset: 0; border-radius: var(--r-xl);
      background: radial-gradient(ellipse at center, rgba(240,180,41,.06), transparent 70%);
      pointer-events: none;
    }
    .poc-h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; margin-bottom: 16px; }
    .poc-text { font-size: 1.05rem; color: var(--text2); line-height: 1.7; max-width: 640px; margin: 0 auto 32px; }
    .poc-checklist { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 36px; }
    .poc-check { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--text2); }
    .poc-check::before { content: '✓'; color: var(--gold); font-weight: 700; }

    /* ══ CONTACT FORM ══ */
    .contact-section { background: var(--bg2); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
    .contact-info h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 16px; }
    .contact-info p  { font-size: .95rem; color: var(--text2); line-height: 1.7; margin-bottom: 24px; }
    .contact-points { display: flex; flex-direction: column; gap: 14px; }
    .cp { display: flex; gap: 12px; align-items: flex-start; }
    .cp-icon { width: 36px; height: 36px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
    .cp-text h5 { font-size: .9rem; font-weight: 600; color: var(--white); margin-bottom: 2px; }
    .cp-text p  { font-size: .85rem; color: var(--text2); }

    .contact-form-wrap {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--r-xl); padding: 40px; position: relative; overflow: hidden;
    }
    .contact-form-wrap::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--gold), #ff9040); }
    .field { margin-bottom: 16px; }
    .field label { display: block; font-size: .8rem; font-weight: 600; color: var(--text2); margin-bottom: 6px; letter-spacing: .02em; }
    .field input, .field select, .field textarea {
      width: 100%; padding: 11px 16px; background: var(--bg3);
      border: 1.5px solid var(--border2); border-radius: var(--r);
      color: var(--text); font-family: var(--font); font-size: .9rem;
      outline: none; transition: var(--tr); appearance: none; resize: vertical;
    }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--gold); box-shadow: 0 0 0 3px rgba(240,180,41,.1);
    }
    .field input::placeholder, .field textarea::placeholder { color: var(--text3); }
    .field select {
      cursor: pointer;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a90b0' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
    }
    .field select option { background: var(--card2); }
    .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

    /* ══ FOOTER ══ */
    .footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 52px 0 28px; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
    .footer-inner p { font-size: .85rem; color: var(--text3); }
    .footer-inner a { font-size: .88rem; color: var(--text2); }
    .footer-inner a:hover { color: var(--gold); opacity: 1; }
    .footer-links { display: flex; gap: 24px; }

    /* Utils */
    .mt-8  { margin-top:  8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
    .mb-8  { margin-bottom:  8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .center { text-align: center; }

    /* Responsive */
    @media (max-width: 968px) {
      .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 40px 0; }
      .security-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      section { padding: 68px 0; }
      .header-nav { display: none; }
      .burger { display: block; }
      .g2, .g3 { grid-template-columns: 1fr; }
      .mt-grid { grid-template-columns: 1fr; }
      .field-row { grid-template-columns: 1fr; }
      .poc-checklist { flex-direction: column; align-items: center; }
      .footer-inner { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 480px) {
      .hero-actions { flex-direction: column; }
    }

    /* ── LANGUAGE SWITCHER ─────────────────────────── */
    .lang-switcher { display:flex; align-items:center; gap:2px; background:rgba(255,255,255,.06); border:1px solid var(--border2); border-radius:8px; padding:3px; }
    .lang-btn { background:none; border:none; cursor:pointer; font-family:var(--font); font-size:.78rem; font-weight:600; padding:4px 9px; border-radius:6px; color:var(--text2); letter-spacing:.04em; transition:var(--tr); }
    .lang-btn:hover { color:var(--white); }
    .lang-btn.active { background:rgba(240,180,41,.15); color:var(--gold); }
    html[lang="en"] .i18n-uk { display:none; }
    html[lang="uk"] .i18n-en { display:none; }