/* ===================================
   RETENTION SECTION
   Retention card, stats, visual circles
   (Originally styles.css lines 1563-1837)
   =================================== */

/* --- Retention Section --- */
.retention {
    padding: 5rem 0;
    position: relative;
    overflow: visible;
}

.retention-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(15px);
    border-radius: 3.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: visible;
    border: 1px solid var(--color-orange-100);
    box-shadow: 0 40px 80px -20px rgba(249, 115, 22, 0.1);
}

@media (min-width: 768px) {
    .retention-card {
        padding: 4rem;
    }
}

.retention-glow {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: rgba(255, 237, 213, 0.4);
    border-radius: 50%;
    filter: blur(160px);
    opacity: 0.4;
    transition: opacity 1s;
    pointer-events: none;
    z-index: 0;
}

.retention-card:hover .retention-glow {
    opacity: 1;
}

.retention-grid {
    display: grid;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .retention-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.retention-content {
    position: relative;
    z-index: 10;
}

.retention-content .section-label {
    margin-bottom: 1.5rem;
    background: var(--color-orange-600);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    display: inline-block;
    letter-spacing: 0.2em;
}

.retention-title {
    margin-bottom: 1.5rem;
}

.retention-description {
    font-size: 1.5rem;
    color: var(--color-slate-500);
    margin-bottom: 5rem;
    font-weight: 500;
    line-height: 1.75;
    max-width: 32rem;
}

.retention-stats {
    display: grid;
    gap: 4rem;
}

@media (min-width: 640px) {
    .retention-stats {
        grid-template-columns: 1fr 1fr;
    }
}

.retention-stat-value {
    font-size: 3.75rem;
    font-weight: 900;
    color: var(--color-slate-900);
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
    transition: color 0.3s;
}

.retention-stat:hover .retention-stat-value {
    color: var(--color-orange-600);
}

.retention-stat-orange {
    color: var(--color-orange-600);
    transition: transform 0.3s;
    transform-origin: left;
}

.retention-stat:hover .retention-stat-orange {
    transform: scale(1.1);
}

.retention-stat-label {
    font-size: 11px;
    font-weight: 900;
    color: var(--color-slate-400);
    text-transform: uppercase;
    letter-spacing: 0.4em;
    line-height: 1;
}

/* Retention Visual */
.retention-visual {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 4rem 0;
    overflow: visible;
}

.retention-circles {
    width: 100%;
    max-width: 550px;
    aspect-ratio: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.retention-circle {
    position: absolute;
    border-radius: 50%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.retention-circle-1 {
    border: 2px dashed var(--color-orange-200);
    animation: spin 50s linear infinite;
}

.retention-circle-2 {
    top: 4rem;
    left: 4rem;
    right: 4rem;
    bottom: 4rem;
    border: 1px dashed var(--color-slate-200);
    animation: spin-reverse 30s linear infinite;
}

.retention-circle-3 {
    top: 8rem;
    left: 8rem;
    right: 8rem;
    bottom: 8rem;
    border: 1px solid var(--color-orange-100);
}

.retention-center {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(15px);
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--shadow-2xl);
    border: 1px solid white;
    overflow: hidden;
}

.retention-center-bg {
    position: absolute;
    inset: 0;
    background: rgba(234, 88, 12, 0.05);
    transition: background 0.3s;
}

.retention-center:hover .retention-center-bg {
    background: rgba(234, 88, 12, 0.1);
}

.retention-center-content {
    position: relative;
}

.retention-center-value {
    font-size: 6rem;
    font-weight: 900;
    color: var(--color-orange-600);
    letter-spacing: -0.05em;
}

.retention-center-label {
    font-size: 0.875rem;
    font-weight: 900;
    color: var(--color-slate-400);
    text-transform: uppercase;
    margin-top: 1rem;
    letter-spacing: 0.4em;
}

.retention-orbiter {
    position: absolute;
    top: -3rem;
    left: 50%;
    transform: translateX(-50%);
    width: 6rem;
    height: 6rem;
    background: var(--color-slate-900);
    border-radius: 2rem;
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(249, 115, 22, 0.5);
    transition: transform 2s;
    z-index: 20;
}

.retention-circles:hover .retention-orbiter {
    transform: translateX(-50%) rotate(360deg);
}

.retention-orbiter svg {
    color: var(--color-orange-500);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.retention-floater {
    position: absolute;
    bottom: 5%;
    left: -2rem;
    width: 4rem;
    height: 4rem;
    background: white;
    backdrop-filter: blur(15px);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-orange-100);
    z-index: 20;
}

.retention-floater svg {
    color: var(--color-orange-600);
}