/* ==========================================================================
   appui.css · Cihaz çerçevesi + kaydırmayla değişen uygulama ekranları
   Ekranlar emülatörden alınan gerçek görüntülerdir (img/app/*.webp).
   ========================================================================== */

/* ---------- Cihaz çerçevesi ----------------------------------------------- */
.device {
    position: relative;
    width: 100%;
    border-radius: clamp(14px, 2.2vw, 24px);
    padding: clamp(6px, 0.9vw, 11px);
    background: linear-gradient(150deg, #2b3346, #0c1220 46%, #1a2130);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.09),
        var(--sh-lg),
        0 0 90px -20px rgba(57, 108, 165, 0.55);
    touch-action: pan-y;
}

/* ekran camı parlaması */
.device::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 4;
    border-radius: inherit;
    background: linear-gradient(128deg, rgba(255, 255, 255, 0.1) 0%, transparent 34%, transparent 66%, rgba(255, 255, 255, 0.045) 100%);
    pointer-events: none;
}

.screen-set {
    position: relative;
    display: grid;
    overflow: hidden;
    border-radius: clamp(9px, 1.5vw, 17px);
    background: #041326;
}

.screen-img {
    grid-area: 1 / 1;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: top center;
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.03) translateY(1%);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), visibility 0.6s;
    will-change: opacity, transform;
}

.screen-img.on {
    opacity: 1;
    visibility: visible;
    transform: none;
}

/* Tek başına duran ekran (kahraman görseli, QR bölümü) */
.device.single .screen-img {
    opacity: 1;
    visibility: visible;
    transform: none;
}

/* Sürüklenirken geçiş kapalı olsun */
.device.dragging {
    cursor: grabbing;
}

.device.dragging .screen-img {
    transition: none;
}

/* ---------- Tur: adım listesi --------------------------------------------- */
.showcase {
    display: grid;
    grid-template-columns: 0.84fr 1.16fr;
    gap: clamp(26px, 4vw, 54px);
    align-items: center;
}

.showcase-steps {
    display: grid;
    gap: 8px;
}

.step-item {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 13px;
    width: 100%;
    padding: 12px 16px 12px 15px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    text-align: left;
    cursor: pointer;
    transition: background var(--t), border-color var(--t);
}

.step-item:hover {
    background: var(--lift-1);
}

.step-item.on {
    background: var(--glass);
    border-color: var(--gold-line);
    box-shadow: var(--sh-md);
}

.step-num {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: var(--lift-2);
    border: 1px solid var(--stroke-2);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-3);
    transition: background var(--t), color var(--t), border-color var(--t);
}

.step-item.on .step-num {
    background: var(--grad-gold);
    border-color: transparent;
    color: #241c00;
}

.step-item h3 {
    font-size: 0.96rem;
    margin-bottom: 2px;
}

/* Açıklama yalnızca etkin adımda açılır — liste kısa kalır */
.step-item p {
    margin: 0;
    font-size: 0.83rem;
    line-height: 1.5;
    color: var(--text-3);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease), opacity 0.45s var(--ease), margin 0.45s var(--ease);
}

.step-item.on p {
    max-height: 110px;
    opacity: 1;
    margin-top: 4px;
}

/* ---------- Nokta göstergeleri + sürükleme ipucu -------------------------- */
.dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
}

.dots button {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--lift-3);
    transition: width var(--t) var(--ease), background var(--t);
}

.dots button.on {
    width: 26px;
    background: var(--gold);
}

.swipe-hint {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 0.78rem;
    color: var(--text-3);
}

.swipe-hint svg {
    width: 16px;
    height: 16px;
    animation: swipeNudge 1.9s var(--ease-io) infinite;
}

@keyframes swipeNudge {

    0%,
    100% {
        transform: translateX(-4px);
    }

    50% {
        transform: translateX(4px);
    }
}

/* ---------- Ekran altı açıklama (mobil) ----------------------------------- */
.screen-caption {
    display: none;
    margin-top: 16px;
    text-align: center;
}

.screen-caption h3 {
    font-size: 1.02rem;
    margin-bottom: 4px;
}

.screen-caption p {
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--text-3);
    max-width: 46ch;
    margin-inline: auto;
}

@media (max-width: 900px) {
    .showcase {
        grid-template-columns: 1fr;
    }

    .showcase-steps {
        display: none;
    }

    .swipe-hint,
    .screen-caption {
        display: flex;
    }

    .screen-caption {
        display: block;
    }
}