:root {
    --purple-dark: #2d1b4e;
    --purple: #6a2cb8;
    --purple-light: #9b5de5;
    --purple-accent: #c77dff;
    --bg-light: #f7f3fb;
    --text-dark: #1f1324;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(106, 44, 184, 0.15);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
  }
  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  .container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

  header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--purple-dark);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  }
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    max-width: 1140px;
    margin: 0 auto;
  }
  .logo { font-size: 2.4rem; font-weight: 700; color: var(--white); letter-spacing: 1px; }
  .logo span { color: var(--purple-accent); }
  .nav-links { display: flex; gap: 32px; }
  .nav-links a { color: var(--white); font-weight: 500; transition: color 0.3s ease; }
  .nav-links a:hover { color: var(--purple-accent); }
  .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
  .nav-toggle span { width: 26px; height: 3px; background: var(--white); border-radius: 2px; }

  
  .hero::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(199,125,255,0.35), transparent 70%);
    top: -150px;
    right: -150px;
    border-radius: 50%;
  }
  .hero-content { max-width: 720px; margin: 0 auto; position: relative; z-index: 1; }
  .hero h1 { font-size: 2.8rem; margin-bottom: 5px; color: #e8d9ff;font-weight: 800; text-shadow: 0 2px 6px rgba(0,0,0,0.7), 0 0 20px rgba(0,0,0,0.5); }
  .hero p { font-size: 1.15rem; margin-bottom: 20px; color: #e8d9ff; text-shadow: 0 1px 4px rgba(0,0,0,0.8), 0 0 14px rgba(0,0,0,0.5); }

  .btn {
    display: inline-block;
    padding: 14px 34px;
    background: var(--white);
    color: var(--purple);
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
  }
  .btn:hover { background: var(--purple-accent); color: var(--white); transform: translateY(-3px); }
  .btn-primary { background: var(--purple-accent); color: var(--white); }
  .btn-primary:hover { background: var(--white); color: var(--purple); }

  section { padding: 90px 20px; }
  .section-title { text-align: center; margin-bottom: 56px; }
  .section-title h2 { font-size: 2.2rem; color: var(--purple-dark); margin-bottom: 12px; }
  .section-title p { color: #6b5b7a; max-width: 560px; margin: 0 auto; }

  .services { background: var(--white); }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    max-width: 1140px;
    margin: 0 auto;
  }
  .service-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 40px 28px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ddf7;
  }
  .service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--purple-light); }
  .service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), var(--purple-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: var(--white);
  }
  .service-card h3 { color: var(--purple-dark); margin-bottom: 12px; font-size: 1.25rem; }
  .service-card p { color: #5e4d6b; font-size: 0.95rem; }

  .contact { background: linear-gradient(135deg, var(--purple-dark), var(--purple)); color: var(--white); }
  .contact .section-title h2 { color: var(--white); }
  .contact .section-title p { color: #e0cdfa; }
  .contact-form {
    max-width: 640px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 18px;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.15);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
  .form-group { display: flex; flex-direction: column; margin-bottom: 20px; }
  .form-group label { margin-bottom: 8px; font-weight: 600; font-size: 0.95rem; }
  .form-group input, .form-group textarea {
    padding: 13px 16px;
    border-radius: 10px;
    border: none;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-dark);
  }
  .form-group textarea { resize: vertical; min-height: 120px; }
  .form-group input:focus, .form-group textarea:focus { outline: 3px solid var(--purple-accent); }
  .contact-form .btn { width: 100%; margin-top: 8px; }
  .contact-form .btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
  .form-honeypot { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
  .form-error {
    display: block;
    min-height: 18px;
    margin-top: 6px;
    font-size: 0.85rem;
    color: #ffb4b4;
  }
  .form-group input.invalid,
  .form-group textarea.invalid {
    outline: 2px solid #ff6b6b;
  }
  .form-message {
    display: none;
    margin-bottom: 20px;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
  }
  .form-message.success {
    display: block;
    background: rgba(70, 220, 150, 0.18);
    border: 1px solid rgba(70, 220, 150, 0.5);
    color: #c8ffe6;
  }
  .form-message.error {
    display: block;
    background: rgba(255, 107, 107, 0.18);
    border: 1px solid rgba(255, 107, 107, 0.5);
    color: #ffd6d6;
  }

  footer { background: var(--purple-dark); color: #cbb6e0; text-align: center; padding: 28px 20px; font-size: 0.9rem; }
  footer a { color: var(--purple-accent); }

  @media (max-width: 768px) {
    .nav-links {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--purple-dark);
      flex-direction: column;
      align-items: center;
      gap: 0;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .nav-links.open { max-height: 300px; }
    .nav-links a { display: block; padding: 16px; width: 100%; text-align: center; }
    .nav-toggle { display: flex; }
    .hero { background: linear-gradient(135deg, var(--purple-dark), var(--purple) 60%, var(--purple-light)); }
    .hero h1 { font-size: 2.1rem; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
  }