@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.shimmer-text {
    background: linear-gradient(90deg, #000 0%, #06b6d4 25%, #000 50%, #0891b2 75%, #000 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 10s linear infinite;
}

.trust-badge {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.glass-panel {
    background: linear-gradient(135deg, rgba(10, 10, 25, 0.92) 0%, rgba(6, 30, 45, 0.90) 40%, rgba(15, 10, 35, 0.92) 100%);
    /* backdrop-filter: blur(24px); */
    /* -webkit-backdrop-filter: blur(24px); */
    border: 1px solid rgba(6, 182, 212, 0.15);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 0 80px rgba(6, 182, 212, 0.04);
}

.visualizer-container {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 1rem;
    border: 2px solid rgba(6, 182, 212, 0.3);
}

input[type=range] { -webkit-appearance: none; appearance: none; background: transparent; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 20px; width: 20px; border-radius: 50%; background: #06b6d4; cursor: pointer; margin-top: -8px; box-shadow: 0 0 10px rgba(6,182,212,0.3); }
input[type=range]::-moz-range-thumb { height: 20px; width: 20px; border-radius: 50%; background: #06b6d4; cursor: pointer; border: none; box-shadow: 0 0 10px rgba(6,182,212,0.3); }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 4px; cursor: pointer; background: rgba(255,255,255,0.2); border-radius: 2px; }
input[type=range]::-moz-range-track { width: 100%; height: 4px; cursor: pointer; background: rgba(255,255,255,0.2); border-radius: 2px; }

.text-accent { color: #06b6d4; }
.bg-accent { background-color: #06b6d4; }
.border-accent { border-color: #06b6d4; }

.faq-item { transition: all 0.3s ease; }
.faq-item:hover { border-color: rgba(0, 0, 0, 0.15); }
.faq-question { cursor: pointer; user-select: none; }
.faq-answer { max-height: 0; overflow: hidden; visibility: hidden; opacity: 0; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-item.open .faq-answer { max-height: 800px; visibility: visible; opacity: 1; }
.faq-answer-inner { padding: 0 1.25rem 1.25rem 1.25rem; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform 0.3s ease; }

select option { background: #0d0d1a; color: #fff; }

/* Modern Dropdowns */
.eightd-select {
    background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(6,182,212,0.08) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    padding: 10px 36px 10px 14px;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    -webkit-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 width=%2212%22 height=%2212%22 viewBox=%220 0 12 12%22><path d=%22M2 4l4 4 4-4%22 fill=%22%2306b6d4%22 opacity=%220.7%22/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.04);
}
.eightd-select:hover {
    border-color: rgba(6, 182, 212, 0.4);
    background-color: rgba(6, 182, 212, 0.1);
    box-shadow: 0 2px 12px rgba(6, 182, 212, 0.15), inset 0 1px 0 rgba(255,255,255,0.04);
}
.eightd-select:focus {
    outline: none;
    border-color: #06b6d4;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15), 0 2px 12px rgba(6, 182, 212, 0.2);
}

/* Preset Pills */
.preset-pill {
    padding: 8px 18px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.02) 100%);
    color: rgba(255, 255, 255, 0.55);
    position: relative;
    overflow: hidden;
}
.preset-pill::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6,182,212,0.12) 0%, rgba(139,92,246,0.08) 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
    border-radius: inherit;
}
.preset-pill:hover {
    border-color: rgba(6, 182, 212, 0.3);
    color: rgba(255, 255, 255, 0.85);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.1);
}
.preset-pill:hover::before { opacity: 1; }
.preset-pill.active {
    background: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3), 0 0 24px rgba(139, 92, 246, 0.15);
}
.preset-pill.active::before { opacity: 0; }