:root {
      --bg: #131313;
      --card-bg: #111113;
      --accent: #ffffff;
      --text-gray: #a1a1aa;
      --border: rgba(255, 255, 255, 0.1);
      --header-h: 80px;
      scroll-behavior: smooth;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Plus Jakarta Sans', sans-serif;
    }

    body {
      background-color: var(--bg);
      color: white;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* === ХЕДЕР === */
    header {
      position: fixed;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 95%;
      max-width: 1200px;
      height: 64px;
      margin-top: 20px;
      background: rgba(15, 15, 15, 0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border);
      border-radius: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 30px;
      z-index: 1000;
      transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    }

    header.visible { top: 0; }
    header.scrolled { width: 100%; top: -20px; border: 1px solid var(--border); border-radius: 20px; background: rgba(5, 5, 5, 0.9); }

    .logo { font-weight: 800; font-size: 20px; letter-spacing: -1px; }

    /* === СЕКЦІЇ === */
    section {
      padding: 100px 20px;
      max-width: 1100px;
      margin: 0 auto;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease-out;
    }

    section.show { opacity: 1; transform: translateY(0); }

    .hero {
      text-align: center;
      padding-top: 250px;
      padding-bottom: 150px;
    }

.hero h1 {
  font-size: clamp(40px, 8vw, 80px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3px;
  margin-bottom: 30px;
  
  background: linear-gradient(to bottom, #fff 40%, #555);
  
  background-clip: text; /* Стандарт */
  -webkit-background-clip: text; /* Для Safari i Chrome */
  
  color: transparent; 
  -webkit-text-fill-color: transparent;
}

    /* === КАРТКИ ТОВАРІВ === */
    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }

    .card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 32px;
      transition: 0.4s;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      min-height: 460px;
    }

    .card:hover {
      border-color: rgba(255,255,255,0.3);
      transform: translateY(-10px);
    }

    .card-image {
      width: 100%;
      height: 320px;
      background: #1a1a1c;
      overflow: hidden;
    }

    .card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: 0.5s;
    }

    .card:hover .card-image img {
      transform: scale(1.1);
    }

    .card-info {
      padding: 25px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .card h3 { font-size: 22px; margin-bottom: 12px; }
    .card p { color: var(--text-gray); font-size: 24px; margin-bottom: 20px; flex-grow: 1; }

    .buy-btn {
      background: white;
      color: black;
      text-align: center;
      padding: 14px;
      border-radius: 16px;
      text-decoration: none;
      font-weight: 700;
      font-size: 14px;
      transition: 0.3s;
      margin-top: auto;
    }

    .buy-btn:hover { background: #e0e0e0; transform: scale(1.02); }

    .btn {
      background: white;
      color: black;
      padding: 16px 32px;
      border-radius: 100px;
      text-decoration: none;
      font-weight: 600;
      display: inline-block;
      transition: 0.3s;
    }

    /* === ФУТЕР === */
    footer {
      padding: 100px 40px 60px;
      border-top: 1px solid var(--border);
      background: #080808;
      margin-top: 100px;
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
    }

    .footer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 60px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 60px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 50px;
      margin-bottom: 80px;
    }

    .footer-col h4 {
      font-size: 14px;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: white;
      margin-bottom: 25px;
    }

    .footer-col a, .footer-col p {
      color: var(--text-gray);
      text-decoration: none;
      font-size: 15px;
      margin-bottom: 15px;
      display: block;
      transition: 0.3s;
    }

    .footer-col a:hover { color: white; }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 40px;
      border-top: 1px solid rgba(255,255,255,0.05);
      color: #797979;
      font-size: 13px;
    }

    /* Стиль для посилання розробника (solix) */
    .developer-link {
      color: #797979; /* Колір як у всього тексту знизу */
      text-decoration: underline;
      transition: color 0.3s ease;
    }

    .developer-link:hover {
      color: var(--accent); /* Білий при наведенні */
    }

    /* Панель зв'язку */
    .horizontal-contact {
      position: fixed; top: 50%; right: 0; transform: translateY(-50%);
      background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(10px);
      padding: 40px 12px; writing-mode: vertical-rl; text-align: center;
      border: 1px solid var(--border); border-right: none; border-radius: 20px 0 0 20px;
      cursor: pointer; z-index: 1000; font-weight: 600; letter-spacing: 2px; transition: 0.3s;
    }
    .contact-bar {
      position: fixed; top: 50%; right: -400px; transform: translateY(-50%);
      width: 350px; background: #111113; border: 1px solid var(--border);
      border-radius: 30px 0 0 30px; transition: right 0.5s cubic-bezier(0.19, 1, 0.22, 1);
      z-index: 1001; padding: 40px; box-shadow: -20px 0 50px rgba(0,0,0,0.5);
    }
    .contact-bar.active { right: 0; }
    .contact-overlay {
      position: fixed; top: 0; left: 0; width: 100%; height: 100%;
      background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
      z-index: 1000; display: none; opacity: 0; transition: 0.4s;
    }
    .contact-overlay.active { display: block; opacity: 1; }
    .contact-content input, .contact-content textarea {
      width: 100%; background: #1a1a1c; border: 1px solid var(--border); border-radius: 12px;
      padding: 14px; color: white; margin-bottom: 20px; outline: none;
    }
    .contact-content button {
      width: 100%; padding: 16px; background: white; color: black; border: none; border-radius: 12px;
      font-weight: 700; cursor: pointer;
    }

/* Стиль для порожнього поля з помилкою */
.contact-content textarea.pomylka {
    border: 1px solid #ff4d4d !important;
    box-shadow: 0 0 10px rgba(255, 77, 77, 0.2);
    animation: traska 0.3s ease-in-out;
}

/* Анімація трясіння */
@keyframes traska {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Колір тексту підказки при помилці */
.contact-content textarea.pomylka::placeholder {
    color: #ff4d4d;
}