/* ==========================================================================
   INTERACTIVE PARTICLES SECTION
   GPU Particle Swarm Canvas with Cursor Repulsion & Custom Image Upload
   ========================================================================== */

.interactive-particles-section {
    position: relative;
    padding: 90px 0;
    overflow: hidden;
}

.particles-header {
    text-align: center;
    margin-bottom: 40px;
}

.particles-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #38bdf8;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.particles-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.particles-title span {
    background: linear-gradient(135deg, #2563eb 0%, #38bdf8 40%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.particles-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
}

.particles-stage-wrapper {
    position: relative;
    width: 100%;
    height: 520px;
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.particles-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

.particles-controls {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-upload-particles {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-family: 'Fira Code', monospace;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-upload-particles:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(56, 189, 248, 0.8);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
}

.particles-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #94a3b8;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.particles-reset-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
}