/* =============================================
   Platformlar — 3B dönen kart halkası
   ============================================= */
.pring-section {
    padding-top: 110px;
    padding-bottom: 90px;
    overflow: hidden;
}

.pring-head {
    text-align: center;
    margin-bottom: 8px;
}

.pring-head__label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    opacity: 0.8;
    margin-bottom: 14px;
}

.pring-head__title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--text-white);
    line-height: 1.05;
}

.pring-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.pring-stage {
    --card-w: 340px;
    --card-h: 480px;
    position: relative;
    height: calc(var(--card-h) + 170px);
    perspective: 1700px;
    perspective-origin: 50% 38%;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
    outline: none;
    opacity: 0;
    transform: translateY(40px) scale(0.92);
    transition: opacity 0.9s ease, transform 1.1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.pring-stage.is-in {
    opacity: 1;
    transform: none;
}

.pring-stage.is-dragging { cursor: grabbing; }

.pring-stage:focus-visible {
    box-shadow: 0 0 0 3px rgba(59, 123, 240, 0.45);
    border-radius: 28px;
}

.pring {
    position: absolute;
    left: 50%;
    top: 47%;
    width: 0;
    height: 0;
    transform-style: preserve-3d;
    will-change: transform;
}

.pring-card {
    position: absolute;
    width: var(--card-w);
    height: var(--card-h);
    left: calc(var(--card-w) / -2);
    top: calc(var(--card-h) / -2);
    transform-style: preserve-3d;
}

.pring-face {
    position: absolute;
    inset: 0;
    border-radius: 26px;
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    color: #fff;
    box-shadow: 0 24px 50px rgba(20, 30, 80, 0.22), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.pring-face--back {
    transform: rotateY(180deg);
}

/* Soft light sheen + dotted texture, shared by both faces */
.pring-face::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 70% at 85% -10%, rgba(255, 255, 255, 0.34), transparent 55%),
        radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1.4px) 0 0 / 18px 18px;
    pointer-events: none;
}

.pring-card--blue   .pring-face { background: linear-gradient(160deg, #0ea5e9 0%, #3B7BF0 50%, #6858E0 100%); }
.pring-card--purple .pring-face { background: linear-gradient(160deg, #7C3AED 0%, #8B5CF6 50%, #DB2777 100%); }
.pring-card--green  .pring-face { background: linear-gradient(160deg, #22C55E 0%, #16a34a 50%, #0f6b3a 100%); }
.pring-card--teal   .pring-face { background: linear-gradient(160deg, #14B8A6 0%, #0891b2 50%, #4f46c8 100%); }

.pring-front {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 30px 30px 28px;
}

.pring-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
}

.pring-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.pring-num {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 1px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.55);
}

.pring-badge {
    align-self: flex-start;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    margin-bottom: 12px;
}

.pring-title {
    font-size: 1.95rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.1;
    margin-bottom: 10px;
    color: #fff;
}

.pring-desc {
    font-size: 0.92rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 16px;
}

.pring-features {
    list-style: none;
    padding: 0;
    margin: 0 0 auto;
    display: grid;
    gap: 8px;
}

.pring-features li {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.86rem;
    color: #fff;
}

.pring-features li svg {
    flex: none;
    width: 18px;
    height: 18px;
    padding: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
}

.pring-btn {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 11px 20px;
    border-radius: 12px;
    background: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pring-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
}

.pring-card--blue   .pring-btn { color: #2c62d8; }
.pring-card--purple .pring-btn { color: #6d28d9; }
.pring-card--green  .pring-btn { color: #15803d; }
.pring-card--teal   .pring-btn { color: #0e7490; }

/* Back face: big icon + name */
.pring-back {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    text-align: center;
}

.pring-back .pring-icon {
    width: 96px;
    height: 96px;
    border-radius: 28px;
}

.pring-back .pring-icon svg {
    width: 48px;
    height: 48px;
}

.pring-back__name {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.pring-back__tag {
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.8;
}

.pring-floor {
    position: absolute;
    left: 50%;
    bottom: 14px;
    width: min(820px, 92%);
    height: 70px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(59, 90, 200, 0.2), transparent 70%);
    pointer-events: none;
}

.pring-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 4px;
}

.pring-ctrl {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    border: 1px solid rgba(59, 123, 240, 0.25);
    background: rgba(255, 255, 255, 0.85);
    color: var(--primary);
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(30, 45, 100, 0.1);
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.pring-ctrl:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.pring-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
}

.pring-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: rgba(30, 45, 100, 0.18);
    cursor: pointer;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.pring-dot.is-active {
    width: 26px;
    background: var(--primary);
}

@media (max-width: 768px) {
    .pring-section { padding-top: 90px; padding-bottom: 60px; }
    .pring-stage {
        --card-w: 272px;
        --card-h: 440px;
        height: calc(var(--card-h) + 110px);
        perspective: 1200px;
    }
    .pring-front { padding: 24px 22px 22px; }
    .pring-top { margin-bottom: 18px; }
    .pring-icon { width: 50px; height: 50px; }
    .pring-num { font-size: 1.7rem; }
    .pring-title { font-size: 1.6rem; }
    .pring-desc { font-size: 0.86rem; }
    .pring-features li { font-size: 0.82rem; }
}

@media (prefers-reduced-motion: reduce) {
    .pring-stage { transition: none; opacity: 1; transform: none; }
}