/* ====================================================
   YAPALI - ÖNE ÇIKAN PROJELER (V4 PREMIUM - HİZALAMA DÜZELTİLDİ)
   ==================================================== */
.yapali-featured-section {
    padding: 100px 0 120px 0;
    position: relative;
    overflow: hidden;
    background-color: #f8f9fa;
    background-image: url('../uploads/ozelicerik/onecikanarkaplan.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
}

/* Arka plan resmini hafifleterek metinlerin öne çıkmasını sağlayan cam katman */
.yf-bg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(248, 249, 250, 0.88);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1;
}

.yf-container, .yf-slider-wrapper, .yf-footer-action {
    position: relative;
    z-index: 2;
}

.yf-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* --- BAŞLIK ALANI --- */
.yf-header-area {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 50px; gap: 40px;
}
.yf-header-left { max-width: 800px; }

.yf-badge {
    display: inline-block; font-size: 11px; font-weight: 800; color: var(--slider-light-blue, #009ce4);
    letter-spacing: 2px; text-transform: uppercase; margin-bottom: 15px;
    padding: 6px 18px; background: rgba(0, 156, 228, 0.1); border-radius: 50px;
}

.yf-title {
    font-size: 3.2rem; font-weight: 900; color: var(--text-primary, #0b2b5e);
    line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px;
}
.yf-title .text-blue { color: var(--slider-light-blue, #009ce4); }

.yf-desc { font-size: 1.05rem; line-height: 1.7; color: #4a5568; font-weight: 600; }

/* --- MODERN OKLAR --- */
.yf-header-right { display: flex; gap: 12px; flex-shrink: 0; }

.yf-modern-btn {
    width: 60px; height: 60px; border-radius: 50%;
    background: #ffffff; border: 1.5px solid rgba(0, 71, 179, 0.15);
    display: flex; justify-content: center; align-items: center;
    color: var(--slider-dark, #04142c); cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 16px rgba(0, 40, 120, 0.06);
}
.yf-modern-btn svg { width: 24px; height: 24px; transition: transform 0.4s ease; }

.yf-modern-btn:hover {
    background: var(--slider-blue, #0047b3);
    color: #fff; border-color: var(--slider-blue, #0047b3);
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 71, 179, 0.2);
}
.prev-btn:hover svg { transform: translateX(-4px); }
.next-btn:hover svg { transform: translateX(4px); }


/* ====================================================
   SLIDER VE BÜYÜTÜLMÜŞ KARTLAR
   ==================================================== */

/* DÜZELTME (full-width, sıfır boşluk): İlk kart artık başlıkla hizalı değil,
   tam ekranın sol kenarından (0px) başlıyor — hiçbir boşluk bırakmadan. Track
   sağda da viewport sonuna kadar serbestçe kayıyor. */
.yf-slider-wrapper {
    width: 100%;
    margin: 0;
    padding: 20px 0 40px 0;
}

.yf-slider-track {
    display: flex;
    gap: 32px;
    overflow-x: auto;
    -ms-overflow-style: none; scrollbar-width: none;
    cursor: grab;
    padding-left: 0;
    padding-right: 0;
}
.yf-slider-track::-webkit-scrollbar { display: none; }

/* --- PREMIUM KART TASARIMI --- */
.yf-premium-card {
    width: 400px;
    height: 580px;
    flex-shrink: 0;
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 40, 120, 0.12), 0 2px 8px rgba(0, 40, 120, 0.06);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
    isolation: isolate;
}

/* İnce, parlak kenarlık çizgisi -- premium görünümü güçlendiren detay */
.yf-premium-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    pointer-events: none;
    z-index: 3;
}

.yf-card-bg {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.yf-card-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 55px 32px 32px 32px;
    background: linear-gradient(to top, rgba(4, 20, 44, 0.96) 0%, rgba(4, 20, 44, 0.88) 55%, transparent 100%);
    display: flex; flex-direction: column; gap: 14px;
    transform: translateY(18px);
    transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.yf-project-name {
    font-size: 1.85rem; font-weight: 800; color: #ffffff;
    margin-bottom: 6px; letter-spacing: -0.5px;
}

.yf-project-desc {
    font-size: 0.95rem; color: #cbd5e1; line-height: 1.65;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.yf-action-btn {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--slider-light-blue, #009ce4); font-size: 13px; font-weight: 800;
    letter-spacing: 1.2px; text-decoration: none; margin-top: 6px;
    opacity: 0.85; transition: all 0.3s ease;
}
.yf-action-btn svg { width: 18px; height: 18px; transition: transform 0.3s ease; }

.yf-premium-card:hover {
    transform: translateY(-14px);
    box-shadow: 0 36px 70px rgba(0, 40, 120, 0.22), 0 6px 16px rgba(0, 40, 120, 0.08);
}
.yf-premium-card:hover .yf-card-bg { transform: scale(1.07); }
.yf-premium-card:hover .yf-card-overlay { transform: translateY(0); }
.yf-premium-card:hover .yf-action-btn { opacity: 1; color: #ffffff; }
.yf-premium-card:hover .yf-action-btn svg { transform: translateX(5px); }

/* Kartların sırayla, hafif kademeli belirmesi için (JS tarafında .in-view ekleniyor) */
.yf-premium-card {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
    transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
}
.yf-premium-card.in-view {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.yf-premium-card.in-view:hover {
    transform: translateY(-14px) scale(1);
}


/* ====================================================
   TÜM PROJELER BUTONU
   ==================================================== */
.yf-footer-action {
    text-align: center;
    margin-top: 20px;
}

.yf-view-all-btn {
    display: inline-flex; align-items: center; gap: 15px;
    font-size: 14px; font-weight: 800; color: var(--slider-dark, #04142c);
    letter-spacing: 1.5px; text-decoration: none; text-transform: uppercase;
    transition: color 0.3s ease, box-shadow 0.3s ease;
    padding: 10px 20px;
    border-radius: 50px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 40, 120, 0.06);
}
.yf-view-all-btn .btn-line {
    width: 40px; height: 2px; background: var(--slider-blue, #0047b3);
    transition: width 0.3s ease;
}
.yf-view-all-btn svg { width: 20px; height: 20px; color: var(--slider-blue, #0047b3); transition: transform 0.3s ease; }

.yf-view-all-btn:hover { color: var(--slider-blue, #0047b3); box-shadow: 0 12px 28px rgba(0, 71, 179, 0.14); }
.yf-view-all-btn:hover .btn-line { width: 60px; }
.yf-view-all-btn:hover svg { transform: translateX(5px); }

/* --- SCROLL ANİMASYONLARI --- */
.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal-up.active { opacity: 1; transform: translateY(0); }


/* ====================================================
   MOBİL UYUM (≤768px)
   ==================================================== */
@media (max-width: 768px) {
    .yapali-featured-section { padding: 80px 0; }
    .yf-container { padding: 0 20px; }

    .yf-header-area { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
    .yf-title { font-size: 2.4rem; margin-bottom: 15px; }

    /* Mobilde de sıfır boşluk kuralı korunur */
    .yf-slider-wrapper { padding: 20px 0 40px 0; }
    .yf-slider-track { gap: 20px; padding-left: 0; padding-right: 0; }

    .yf-premium-card { width: 300px; height: 460px; }
    .yf-project-name { font-size: 1.5rem; }
    .yf-project-desc { font-size: 0.9rem; }
}

@media (max-width: 380px) {
    .yf-premium-card { width: 270px; height: 410px; }
}