    :root {
      --bg-main: radial-gradient(circle at top, #0a0d1a 0, #050816 55%, #02040a 100%);
      --accent: #a855f7;
      --accent-purple: #a855f7;
      --accent-green: #22c55e;
      --text-main: #f9fafb;
      --text-muted: #9ca3c9;
      --card-bg: rgba(20, 25, 42, 0.7);
    }

    html {
      background-color: #0a0d1a; 
    }

    body {
      min-height: 100dvh;
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg-main);
      color: var(--text-main);
      overflow-x: hidden;
    }

    /* --- ЛОГОТИП И ШАПКА --- */
    .hero-logo-wrapper {
      margin-bottom: 3rem;
      display: flex;
      justify-content: space-between;
      filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.4));
      align-items: center;
    }
    .hero-logo-wrapper img { max-width: 100px; }
    
    /* Анимация эквалайзера в логотипе */
    .logo-3d path[stroke="#22c55e"] {
      animation: logo-pulse 1.5s infinite ease-in-out;
      transform-origin: center;
    }
    @keyframes logo-pulse {
      0%, 100% { transform: scaleY(1); opacity: 0.7; }
      50% { transform: scaleY(1.5); opacity: 1; }
    }

    /* --- КНОПКИ --- */
    .btn-twitch {
      border-radius: 12px;
      background: #9146ff;
      color: #ffffff;
      transition: all 0.3s ease;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(145, 70, 255, 0.3);
    }
    .btn-twitch:hover {
      background: #a970ff;
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(145, 70, 255, 0.4);
      color: #ffffff;
    }

    /* --- ГЕРОЙ: ЛЕВАЯ ЧАСТЬ (СТЕКЛЯННЫЕ КАРТОЧКИ) --- */
    .feature-glass-card {
      background: rgba(168, 85, 247, 0.05);
      border: 1px solid rgba(168, 85, 247, 0.2);
      border-radius: 16px;
      padding: 20px;
      height: 100%;
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      align-items: center;
    }
    .feature-glass-card:hover {
      background: rgba(168, 85, 247, 0.1);
      border-color: rgba(168, 85, 247, 0.5);
      transform: translateY(-5px);
    }
    .feature-icon-simple svg {
      width: 24px;
      height: 24px;
      filter: drop-shadow(0 0 8px currentColor);
    }
    .feature-text {
      color: #94a3b8;
      font-size: 0.9rem;
      line-height: 1.5;
      margin-bottom: 0;
    }

    /* --- ГЕРОЙ: ПРАВАЯ ЧАСТЬ (ДЕМО ДОНАТОВ) --- */
    .demo-donate-card {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(148, 163, 255, 0.2);
      border-left: 4px solid #a855f7;
      border-radius: 12px;
      padding: 16px;
      margin-bottom: 15px;
      transition: all 0.3s ease;
    }
    .demo-donate-card:hover {
      transform: translateX(8px);
      background: rgba(30, 41, 59, 0.8);
    }
    .demo-user { font-weight: 600; color: #22c55e; font-size: 14px; }
    .demo-amount { font-weight: 700; color: #22c55e; font-size: 14px; }
    .demo-amount-wrapper { float: right; display: flex; align-items: center; gap: 6px; }
    .demo-amount-wrapper svg { width: 16px; height: 16px; }
    .demo-body { font-size: 13px; color: #94a3b8; margin-top: 8px; line-height: 1.4; }
    .bad-word { color: #ff4444; text-decoration: line-through; opacity: 0.7; }
    .demo-music-line {
      font-size: 11px; color: #0ea5e9; margin-top: 8px;
      background: rgba(14, 165, 233, 0.1); padding: 4px 8px; border-radius: 6px;
      display: inline-flex; align-items: center; gap: 6px;
    }
    .demo-music-line svg { width: 14px; height: 14px; fill: currentColor; }
    .demo-footer { margin-top: 10px; font-size: 11px; color: #64748b; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 8px; }

    /* --- КАК ЭТО РАБОТАЕТ (ЧАТ И ОЧЕРЕДЬ) --- */
    .how-it-works { padding: 60px 0; }
    .demo-grid { display: flex; align-items: center; justify-content: center; gap: 30px; }
    .demo-card { flex: 1; max-width: 400px; background: rgba(15, 23, 42, 0.6); border: 1px solid rgba(148, 163, 255, 0.2); border-radius: 16px; padding: 24px; position: relative; }
    .card-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: #a855f7; margin-bottom: 15px; font-weight: 700; }
    
    .twitch-chat { background: #18181b; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
    .chat-header { background: #1f1f23; padding: 8px 12px; font-size: 0.85rem; color: #efeff1; border-bottom: 1px solid #26262c; }
    .chat-body { padding: 12px; height: 180px; display: flex; flex-direction: column; gap: 10px; }
    .chat-message.reward { background: rgba(168, 85, 247, 0.15); border: 1px solid #a855f7; border-radius: 4px; padding: 8px; display: flex; gap: 10px; }
    .reward-icon svg { width: 20px; height: 20px; color: #a855f7; }
    
    .echo-queue { background: #0f172a; border-radius: 8px; padding: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
    .queue-item { display: flex; align-items: center; gap: 12px; padding: 10px; background: rgba(255,255,255,0.03); border-radius: 6px; margin-bottom: 8px; }
    .queue-item.active { border-left: 3px solid #22c55e; background: rgba(34, 197, 94, 0.05); }
    .track-thumb { width: 40px; height: 40px; background: linear-gradient(45deg, #a855f7, #6366f1); border-radius: 4px; }
    .track-name { font-size: 0.85rem; font-weight: 600; color: #fff; }
    .track-status { font-size: 0.7rem; color: #22c55e; }
    .track-timer { margin-left: auto; font-size: 0.8rem; color: #64748b; }
    .refund-badge { margin-top: 15px; display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: #22c55e; background: rgba(34, 197, 94, 0.1); padding: 8px 12px; border-radius: 20px; }
    .refund-badge svg { width: 16px; height: 16px; }
    .demo-arrow svg { width: 40px; height: 40px; color: #334155; }
    .card-note { font-size: 0.8rem; margin: 12px 0 0; color: #94a3b8;}
    .queue-header {
    font-size: 0.85rem;
    margin-bottom: 12px;
    color: #94a3b8;
    }

    /* --- ПРЕИМУЩЕСТВА (6 КАРТОЧЕК) --- */
    .feature-card-new {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 20px; padding: 24px; transition: all 0.3s ease; height: 100%;
    }
    .feature-card-new:hover {
      background: rgba(168, 85, 247, 0.05); border-color: rgba(168, 85, 247, 0.3); transform: translateY(-5px);
    }
    .feature-icon-new { margin-bottom: 20px; color: #a855f7; }
    .feature-icon-new svg { width: 32px; height: 32px; }
    .feature-card-new .feature-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: #f9fafb; }
    .feature-card-new .feature-text { font-size: 0.9rem; color: #94a3b8; line-height: 1.6; margin-bottom: 0; }

    /* --- ТАРИФЫ --- */
    .pricing-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2.5rem !important;
      margin-top: 3rem;
    }

    .pricing-card {
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 24px;
      padding: 40px;
      width: 100%;
      max-width: 400px;
      position: relative;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .pricing-card--featured {
      border-color: var(--accent);
      box-shadow: 0 0 40px rgba(168, 85, 247, 0.15);
      transform: scale(1.02);
    }

    .pricing-badge {
      position: absolute;
      top: 20px;
      right: 20px;
      background: var(--accent);
      color: white;
      font-size: 10px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 99px;
      text-transform: uppercase;
      z-index: 10;
    }

    .pricing-plan-name { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; color: #f9fafb; }
    .pricing-plan-desc { font-size: 0.9rem; color: #94a3b8; margin-bottom: 0; }

    .pricing-features {
      list-style: none;
      padding: 0;
      margin: 32px 0;
      flex-grow: 1; 
    }

    .pricing-features li {
      display: flex;
      align-items: flex-start; 
      gap: 12px;
      margin-bottom: 20px; 
      font-size: 0.95rem;
      color: #94a3b8;
      line-height: 1.4;
    }

    .pricing-features svg {
      width: 18px;
      height: 18px;
      margin-top: 2px;
      flex-shrink: 0;
    }

    .highlight-feature {
      color: #f9fafb !important;
      font-weight: 600;
    }

    .pricing-price {
      margin-top: auto;
      display: flex;
      flex-direction: column; 
      gap: 4px;
    }

    .pricing-amount {
      font-size: 2.75rem;
      font-weight: 800;
      color: #22c55e;
      line-height: 1;
    }

    .pricing-card:last-child .pricing-amount {
      color: var(--accent);
    }

    .pricing-period {
      font-size: 0.85rem;
      color: #64748b;
      font-weight: 500;
    }

    /* --- FAQ --- */
    .faq-item { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 16px; margin-bottom: 12px; overflow: hidden; transition: all 0.3s ease; }
    .faq-item:hover { border-color: rgba(168, 85, 247, 0.3); }
    .accordion-button { background: transparent !important; color: #f9fafb !important; font-weight: 600; padding: 20px 25px; border: none; box-shadow: none !important; }
    .accordion-button:not(.collapsed) { color: #a855f7 !important; }
    .accordion-button::after { filter: invert(1); }
    .accordion-body { color: #94a3b8; padding: 0 25px 25px 25px; line-height: 1.6; }

    /* --- CTA --- */
    .cta-card { position: relative; transition: all 0.4s ease; }
    .cta-card:hover { border-color: rgba(168, 85, 247, 0.4) !important; background: rgba(255, 255, 255, 0.04) !important; transform: translateY(-2px); }

    /* --- FOOTER --- */
    .hover-white:hover { color: white !important; }
    footer svg { width: 14px; height: 14px; }

    /* --- АДАПТИВ --- */
    @media (max-width: 992px) {
      .demo-grid { flex-direction: column; }
      .demo-arrow { transform: rotate(90deg); margin: 10px 0; }
      .pricing-grid { flex-direction: column; align-items: center; }
    }

    /* --- АДАПТИВНОСТЬ ДЛЯ МОБИЛЬНЫХ (ТЕЛЕФОНЫ) --- */
    @media (max-width: 768px) {
      .container {
        padding-left: 24px !important;
        padding-right: 24px !important;
      }

      .hero-logo-wrapper img {
        max-width: 80px;
      }

      .section-padding {
        padding: 3rem 0;
      }

      .display-4 {
        font-size: 2rem !important;
      }

      .pricing-card {
        padding: 30px 20px;
      }

      .demo-grid {
        gap: 15px;
      }
      
      .btn-twitch {
        padding: 10px 20px;
        font-size: 0.9rem;
      }
    }
    .support-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(2, 4, 10, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

.support-modal-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 500px;
    position: relative;
    border: 1px solid rgba(148, 163, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.support-header {
    margin-bottom: 2rem;
    text-align: center;
}

.support-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.support-close-btn:hover {
    color: var(--accent);
}

.floating-field .form-control:focus ~ .floating-label,
.floating-field .form-control:not(:placeholder-shown) ~ .floating-label,
.floating-field.active .floating-label {
    top: -0.55rem;
    font-size: 0.75rem;
    color: var(--accent);
    background: #0f172a; 
    padding: 0 0.4rem;
}


@media (max-width: 768px) {
    .support-modal-overlay {
        padding: 0;
    }
    .support-modal-card {
        height: 100%;
        max-width: 100%;
        border-radius: 0;
        overflow-y: auto;
        padding: 4rem 1.5rem 2rem;
    }
    .support-close-btn {
        top: 1rem;
        right: 1rem;
        font-size: 2.5rem;
    }
}
.floating-field {
  position: relative;
  margin-bottom: 1rem;
}

.floating-field .floating-label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  pointer-events: none;
  transition: top 0.2s ease, font-size 0.2s ease, color 0.2s ease, transform 0.2s ease, background 0.2s ease, padding 0.2s ease;
  z-index: 2;
  white-space: nowrap;
}

.floating-field.is-textarea .floating-label {
  top: 1rem;
  transform: none;
}

.floating-field .floating-label svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.floating-field.active .floating-label,
.floating-field.filled .floating-label {
  top: -0.55rem;
  transform: none;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(15, 23, 42, 0.98);
  padding: 0 0.3rem;
  border-radius: 4px;
}

.floating-field.is-textarea.active .floating-label,
.floating-field.is-textarea.filled .floating-label {
  top: -0.55rem;
}

.floating-field:not(.active):not(.filled) .form-control::placeholder,
.floating-field:not(.active):not(.filled) .form-select option:first-child {
  color: transparent;
}

.floating-field .form-control,
.floating-field .form-select {
  position: relative;
}

.floating-field:not(.active):not(.filled) .form-select {
  color: transparent;
}

.floating-field.active .form-select,
.floating-field.filled .form-select {
  color: var(--text-main);
}

/* Обёртка input-group внутри floating-field */
.floating-field .input-group {
  position: relative;
}
    .form-label { 
      color: var(--text-main); 
      font-weight: 600; 
      margin-bottom: 0.5rem; 
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .form-label svg {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .form-control, .form-select {
      background: rgba(15, 23, 42, 0.95);
      border: 1px solid rgba(148, 163, 255, 0.3);
      border-radius: 10px;
      color: var(--text-main);
      padding: 0.75rem 1rem;
    }

    .form-control::placeholder {
      color: var(--text-main);
      opacity: 0.6;
    }

    .form-control:focus, .form-select:focus {
      background: rgba(15, 23, 42, 1);
      border-color: var(--accent);
      box-shadow: 0 0 0 0.2rem rgba(168, 85, 247, 0.25);
      color: var(--text-main);
    }
    .btn-donate {
      width: 100%;
      padding: 1rem;
      font-size: 1.1rem;
      font-weight: 700;
      background: linear-gradient(135deg, var(--accent), #6366f1);
      border: none;
      border-radius: 12px;
      color: white;
      transition: all 0.3s ease;
      font-family: 'Montserrat', sans-serif;
    }

    .btn-donate:hover:not(:disabled) {
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
    }

    .btn-donate:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }