.cursor-pointer { cursor: pointer; }
.transition-all { transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1); }

/* Swiss Style / Glassmorphism Hybrid */
.feature-item {
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
}
.feature-item:hover {
    transform: translateY(-4px) scale(1.01);
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.01);
    border-color: rgba(255, 255, 255, 0.9);
}
.feature-item.active {
    background: #ffffff;
    box-shadow: 0 25px 50px -12px rgba(59, 130, 246, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.1);
    border-color: transparent;
    transform: scale(1.02);
}

/* Marker Logic - Swiss Precision */
.feature-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}
.marker-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #e2e8f0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    flex-shrink: 0;
    position: relative;
    border: 4px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.marker-circle::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 12px; height: 12px;
    background: #94a3b8;
    border-radius: 50%;
    transition: all 0.3s ease;
}
.feature-item.active .marker-circle {
    background: #3b82f6;
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.15);
    transform: scale(1.1);
}
.feature-item.active .marker-circle::after {
    background: #ffffff;
    transform: translate(-50%, -50%) scale(0.8);
}
.feature-title {
    color: #475569;
    transition: color 0.3s;
    letter-spacing: -0.02em;
}
.feature-item.active .feature-title {
    color: #1e293b;
}

/* Phone Frame - Ultra Modern */
.phone-wrapper {
    position: relative;
    width: 320px;
    height: 640px;
    z-index: 10;
}

.phone-wrapper:hover .phone-frame {
    transform: translateY(-10px) rotateX(2deg) rotateY(2deg);
}
.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 40px;
    overflow: hidden;
    position: relative;
}

.screen-content {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: top center;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-swap {
    animation: fadeSwap 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes fadeSwap {
    0% { opacity: 0.5; transform: scale(0.95); filter: blur(4px); }
    100% { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* Abstract Decor Blobs */
.decor-blob {
    position: absolute;
    top: 20%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
    animation: floatBlob 10s ease-in-out infinite alternate;
}
.decor-blob-2 {
    position: absolute;
    bottom: 10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(147, 51, 234, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    filter: blur(60px);
    z-index: -1;
    border-radius: 50%;
    animation: floatBlob 12s ease-in-out infinite alternate-reverse;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -30px) scale(1.1); }
}