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

    :root {
      --bg:          #07060f;
      --bg-card:     #0f0e1a;
      --bg-input:    #16151f;
      --border:      rgba(109,84,255,0.13);
      --border-md:   rgba(109,84,255,0.25);
      --text-h:      #ffffff;
      --text-b:      rgba(255,255,255,0.58);
      --text-m:      rgba(255,255,255,0.28);
      --accent-from: #6d54ff;
      --accent-to:   #5a3fff;
      --accent:      #7c66ff;
      --accent-dim:  rgba(109,84,255,0.13);
      --accent-text: #ffffff;
      --tag-bg:      rgba(109,84,255,0.08);
      --tag-text:    rgba(180,165,255,0.70);
      --dot-color:   rgba(109,84,255,0.12);
      --step-bg:     #07060f;
    }

    [data-theme="light"] {
      --bg:          #f4f3ff;
      --bg-card:     #ffffff;
      --bg-input:    #ffffff;
      --border:      rgba(90,63,255,0.11);
      --border-md:   rgba(90,63,255,0.22);
      --text-h:      #0f0e1a;
      --text-b:      #4a4760;
      --text-m:      #9590b0;
      --accent-from: #6d54ff;
      --accent-to:   #5a3fff;
      --accent:      #5a3fff;
      --accent-dim:  rgba(90,63,255,0.09);
      --accent-text: #ffffff;
      --tag-bg:      rgba(90,63,255,0.07);
      --tag-text:    #6d54ff;
      --dot-color:   rgba(90,63,255,0.10);
      --step-bg:     #f4f3ff;
    }

    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
      background: var(--bg);
      color: var(--text-h);
      transition: background .28s, color .28s;
    }

    .accent-grad { background: linear-gradient(180deg, var(--accent-from), var(--accent-to)); }

    /* NAV */
    .nav {
      position: sticky; top: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 52px; height: 62px;
      background: var(--bg);
      border-bottom: 0.5px solid var(--border);
      backdrop-filter: blur(12px);
      transition: background .28s, border-color .28s;
    }
    .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
    .logo-mark {
      width: 32px; height: 32px; border-radius: 7px;
      background: linear-gradient(180deg, var(--accent-from), var(--accent-to));
      display: flex; align-items: center; justify-content: center;
      font-family: ui-monospace, monospace; font-weight: 900; font-size: 13px;
      color: #fff; letter-spacing: -.5px; flex-shrink: 0;
    }
    .logo-name { font-size: 16px; font-weight: 800; color: var(--text-h); letter-spacing: -.3px; }
    .logo-name em { color: var(--accent); font-style: normal; }
    .nav-right { display: flex; align-items: center; gap: 14px; }
    .nav-link { font-size: 13px; color: var(--text-b); text-decoration: none; transition: color .18s; }
    .nav-link:hover { color: var(--text-h); }

    .theme-btn {
      width: 34px; height: 34px; border-radius: 7px;
      border: 0.5px solid var(--border-md);
      background: var(--tag-bg);
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      color: var(--text-b); transition: background .18s, color .18s;
    }
    .theme-btn:hover { color: var(--text-h); background: var(--bg-card); }
    .theme-btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }
    .ic-sun  { display: none; }
    .ic-moon { display: block; }
    [data-theme="light"] .ic-sun  { display: block; }
    [data-theme="light"] .ic-moon { display: none; }

    .nav-cta {
      padding: 8px 20px;
      background: linear-gradient(180deg, var(--accent-from), var(--accent-to));
      color: #fff;
      border-radius: 7px; font-size: 13px; font-weight: 700;
      cursor: pointer; border: none; letter-spacing: .01em;
      text-decoration: none; display: inline-block; transition: opacity .18s;
    }
    .nav-cta:hover { opacity: .88; }

    /* HERO */
    .hero {
      position: relative; display: flex; align-items: center; justify-content: center;
      min-height: 480px; padding: 84px 52px; overflow: hidden;
    }
    .hero-dots {
      position: absolute; inset: 0; pointer-events: none;
      background-image: radial-gradient(circle, var(--dot-color) 1.2px, transparent 1.2px);
      background-size: 38px 38px;
    }
    /* orbs */
    .orb {
      position: absolute; border-radius: 50%; pointer-events: none; filter: blur(60px);
    }
    .orb-1 {
      width: 500px; height: 500px; left: -120px; top: -60px;
      background: radial-gradient(circle, rgba(109,84,255,0.22) 0%, transparent 70%);
    }
    .orb-2 {
      width: 380px; height: 380px; right: -80px; bottom: -40px;
      background: radial-gradient(circle, rgba(90,63,255,0.16) 0%, transparent 70%);
    }
    .orb-3 {
      width: 260px; height: 260px; right: 20%; top: 10%;
      background: radial-gradient(circle, rgba(140,110,255,0.10) 0%, transparent 70%);
    }

    .hero-inner { position: relative; z-index: 1; text-align: center; max-width: 660px; }
    .hero-pill {
      display: inline-flex; align-items: center; gap: 8px;
      font-family: ui-monospace, monospace; font-size: 11px; color: var(--tag-text);
      padding: 5px 14px; border: 0.5px solid var(--border-md);
      border-radius: 20px; background: var(--tag-bg); margin-bottom: 28px;
    }
    .pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 2s infinite; }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.15} }

    .hero h1 {
      font-size: 52px; font-weight: 900; line-height: 1.05;
      letter-spacing: -2px; color: var(--text-h); margin-bottom: 20px;
    }
    .hero h1 .hl {
      background: linear-gradient(135deg, #a594ff, #6d54ff);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub { font-size: 15px; color: var(--text-b); line-height: 1.78; max-width: 450px; margin: 0 auto 38px; }
    .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; }
    .btn-main {
      padding: 13px 34px;
      background: linear-gradient(180deg, var(--accent-from), var(--accent-to));
      color: #fff;
      border-radius: 7px; font-size: 14px; font-weight: 700;
      cursor: pointer; border: none; letter-spacing: .01em; transition: opacity .18s;
      box-shadow: 0 4px 24px rgba(109,84,255,0.35);
    }
    .btn-main:hover { opacity: .88; }
    .btn-hint { font-size: 12px; color: var(--text-m); font-family: ui-monospace, monospace; }

    /* STRIP */
    .strip {
      display: grid; grid-template-columns: repeat(3,1fr);
      border-top: 0.5px solid var(--border);
      border-bottom: 0.5px solid var(--border);
      background: var(--bg-card);
      transition: background .28s;
    }
    .sitem {
      padding: 32px 36px; border-right: 0.5px solid var(--border);
      transition: background .18s;
    }
    .sitem:last-child { border-right: none; }
    .sitem:hover { background: var(--accent-dim); }
    .si-icon {
      width: 36px; height: 36px; border-radius: 8px; background: var(--accent-dim);
      display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
    }
    .si-icon svg { width: 16px; height: 16px; stroke: var(--accent); fill: none; stroke-width: 1.8; }
    .sitem h3 { font-size: 13px; font-weight: 700; color: var(--text-h); margin-bottom: 7px; }
    .sitem p  { font-size: 12px; color: var(--text-b); line-height: 1.72; }
    .si-tags  { display: flex; gap: 5px; margin-top: 12px; flex-wrap: wrap; }
    .sitag {
      font-family: ui-monospace, monospace; font-size: 10px;
      color: var(--tag-text); background: var(--tag-bg);
      border: 0.5px solid var(--border-md); border-radius: 3px; padding: 2px 7px;
    }

    /* STEPS */
    .steps-wrap { padding: 76px 52px; }
    .sec-label {
      font-family: ui-monospace, monospace; font-size: 11px;
      color: var(--accent); opacity: .7; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px;
    }
    .sec-title {
      font-size: 30px; font-weight: 800; letter-spacing: -.6px;
      color: var(--text-h); margin-bottom: 52px; line-height: 1.15;
    }
    .sec-title em {
      background: linear-gradient(135deg, #a594ff, #6d54ff);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text; font-style: normal;
    }
    .steps-grid { display: grid; grid-template-columns: repeat(4,1fr); position: relative; }
    .step-rule { position: absolute; top: 19px; left: 6%; right: 6%; height: 0.5px; background: var(--border-md); }
    .step { position: relative; z-index: 1; padding-right: 28px; }
    .step-n {
      width: 40px; height: 40px; border-radius: 50%;
      border: 0.5px solid var(--border-md); background: var(--step-bg);
      display: flex; align-items: center; justify-content: center;
      font-family: ui-monospace, monospace; font-size: 12px;
      color: var(--text-b); margin-bottom: 18px;
      transition: background .28s, border-color .28s;
    }
    .step.active .step-n {
      background: linear-gradient(180deg, var(--accent-from), var(--accent-to));
      border-color: transparent; color: #fff; font-weight: 800;
      box-shadow: 0 4px 16px rgba(109,84,255,0.4);
    }
    .step h4 { font-size: 13px; font-weight: 700; color: var(--text-h); margin-bottom: 7px; }
    .step p  { font-size: 12px; color: var(--text-b); line-height: 1.68; }

    /* FORM */
    .form-wrap { padding: 0 52px 90px; }
    .form-head { text-align: center; margin-bottom: 36px; }
    .form-head .sec-title { margin-bottom: 8px; }
    .form-head p { font-size: 12px; color: var(--text-m); font-family: ui-monospace, monospace; }
    .form-box {
      background: var(--bg-card); border: 0.5px solid var(--border-md);
      border-radius: 14px; padding: 44px; max-width: 540px; margin: 0 auto;
      transition: background .28s, border-color .28s;
    }
    .frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
    .frow.one { grid-template-columns: 1fr; }
    .ff { display: flex; flex-direction: column; gap: 7px; }
    .ff label {
      font-size: 10px; font-family: ui-monospace, monospace;
      color: var(--tag-text); letter-spacing: .08em; text-transform: uppercase;
    }
    .ff input {
      background: var(--bg-input); border: 0.5px solid var(--border-md);
      border-radius: 7px; padding: 11px 14px;
      font-size: 13px; color: var(--text-h);
      font-family: inherit; outline: none;
      transition: border-color .15s;
    }
    .ff input::placeholder { color: var(--text-m); }
    .ff input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(109,84,255,0.12); }
    .fsend {
      width: 100%; padding: 14px;
      background: linear-gradient(180deg, var(--accent-from), var(--accent-to));
      color: #fff;
      border: none; border-radius: 7px; font-size: 14px; font-weight: 700;
      cursor: pointer; letter-spacing: .01em; margin-top: 22px; transition: opacity .18s;
      box-shadow: 0 4px 20px rgba(109,84,255,0.3);
    }
    .fsend:hover { opacity: .88; }
    .fnote { text-align: center; margin-top: 14px; font-size: 11px; font-family: ui-monospace, monospace; color: var(--text-m); line-height: 1.6; }

    /* FOOTER */
    .footer {
      padding: 22px 52px; border-top: 0.5px solid var(--border);
      display: flex; align-items: center; justify-content: space-between;
      transition: border-color .28s;
    }
    .footer-l { display: flex; align-items: center; gap: 9px; }
    .footer-name { font-size: 13px; color: var(--text-b); }
    .footer-r { font-size: 11px; font-family: ui-monospace, monospace; color: var(--text-m); }

    @media (max-width: 720px) {
      .nav { padding: 0 20px; }
      .nav-link { display: none; }
      .hero { padding: 56px 24px; }
      .hero h1 { font-size: 36px; letter-spacing: -1.2px; }
      .strip { grid-template-columns: 1fr; }
      .sitem { border-right: none; border-bottom: 0.5px solid var(--border); }
      .sitem:last-child { border-bottom: none; }
      .steps-wrap, .form-wrap { padding-left: 24px; padding-right: 24px; }
      .steps-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
      .step-rule { display: none; }
      .frow { grid-template-columns: 1fr; }
      .form-box { padding: 28px 20px; }
      .footer { flex-direction: column; gap: 8px; text-align: center; padding: 20px 24px; }
    }
    
    
    
    
.form-msg {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.4;
}

.form-msg.ok {
  color: #1fd68b;
  background: rgba(31, 214, 139, .10);
  border: 1px solid rgba(31, 214, 139, .25);
}

.form-msg.error {
  color: #ff6b7a;
  background: rgba(255, 107, 122, .10);
  border: 1px solid rgba(255, 107, 122, .25);
}

.fsend:disabled {
  opacity: .65;
  cursor: not-allowed;
}