.u-detail-hero {
    background: radial-gradient(circle at center bottom, #0f172a 0%, #1e1b4b 100%);
    padding: 140px 0 80px;
    position: relative;
    color: white;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.u-hero-pattern {
    position: absolute; inset: 0; opacity: 0.1;
    background-image: linear-gradient(0deg, transparent 24%, rgba(255, 255, 255, .05) 25%, rgba(255, 255, 255, .05) 26%, transparent 27%, transparent 74%, rgba(255, 255, 255, .05) 75%, rgba(255, 255, 255, .05) 76%, transparent 77%, transparent), linear-gradient(90deg, transparent 24%, rgba(255, 255, 255, .05) 25%, rgba(255, 255, 255, .05) 26%, transparent 27%, transparent 74%, rgba(255, 255, 255, .05) 75%, rgba(255, 255, 255, .05) 76%, transparent 77%, transparent);
    background-size: 50px 50px; pointer-events: none;
}

.ud-container { margin: 0 auto; padding: 0 24px; position: relative; z-index: 10; }

/* Breadcrumb & Back */
.back-link {
    display: inline-flex; align-items: center; gap: 8px;
    color: #94a3b8; text-decoration: none; font-weight: 600; margin-bottom: 30px;
    transition: 0.2s;
}
.back-link:hover { color: #60a5fa; transform: translateX(-5px); }

/* Meta Info */
.version-pill {
    display: inline-block; padding: 6px 12px; border-radius: 8px;
    background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4);
    font-family: monospace; font-weight: 700; margin-right: 15px;
}
.date-span { color: #cbd5e1; font-size: 0.95rem; }

.ud-title {
    font-size: 3rem; font-weight: 800; line-height: 1.1; margin: 20px 0;
}

/* 2. BODY GRID */
.ud-body { background: #f8fafc; padding: 60px 0 100px; }

.ud-grid {
    display: grid; grid-template-columns: 2.5fr 1fr; gap: 60px; align-items: start;
}

/* SOL: MAIN CONTENT */
.ud-content {
    background: white; border-radius: 24px; padding: 50px;
    border: 1px solid #e2e8f0;
}

.ud-content h2 { font-size: 1.8rem; font-weight: 800; color: #0f172a; margin: 40px 0 20px; }
.ud-content h2:first-child { margin-top: 0; }
.ud-content p { color: #475569; font-size: 1.05rem; line-height: 1.7; margin-bottom: 20px; }

/* Özellik Listesi */
.feature-check-list { list-style: none; padding: 0; margin-bottom: 30px; }
.feature-check-list li {
    display: flex; gap: 15px; margin-bottom: 15px; align-items: start;
    color: #334155; font-weight: 500;
}
.fcl-icon {
    width: 24px; height: 24px; background: #dcfce7; color: #22c55e; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 0.8rem; flex-shrink: 0; margin-top: 2px;
}

/* Step Kutusu (Kurulum) */
.step-box {
    background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 16px; padding: 30px;
}
.step-item { display: flex; gap: 20px; margin-bottom: 25px; position: relative; }
.step-item:last-child { margin-bottom: 0; }
/* Çizgi */
.step-item:not(:last-child)::after {
    content: ''; position: absolute; left: 19px; top: 40px; bottom: -20px; width: 2px; background: #e2e8f0;
}

.step-num {
    width: 40px; height: 40px; background: white; border: 2px solid #3b82f6; color: #3b82f6;
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800;
    flex-shrink: 0; z-index: 2;
}
.step-info h4 { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin-bottom: 5px; }
.step-info p { font-size: 0.95rem; color: #64748b; margin: 0; }

/* Uyarı Kutusu */
.alert-box {
    background: #fff7ed; border-left: 4px solid #f97316; padding: 20px;
    border-radius: 0 12px 12px 0; display: flex; gap: 15px; margin-top: 30px;
}
.ab-icon { color: #f97316; font-size: 1.2rem; margin-top: 2px; }
.ab-text strong { display: block; color: #9a3412; margin-bottom: 3px; }
.ab-text p { color: #c2410c; font-size: 0.95rem; margin: 0; }


/* SAĞ: SIDEBAR */
.ud-sidebar { display: flex; flex-direction: column; gap: 30px; }

.ver-widget {
    background: white; border: 1px solid #e2e8f0; border-radius: 20px; padding: 25px;
}
.vw-header {
    font-size: 0.9rem; font-weight: 700; color: #94a3b8; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #f1f5f9;
}

.v-link {
    display: block; padding: 12px 15px; border-radius: 10px; color: #475569; text-decoration: none;
    font-weight: 600; margin-bottom: 5px; transition: 0.2s; border-left: 3px solid transparent;
}
.v-link:hover { background: #f8fafc; color: #3b82f6; }
.v-link.active { background: #eff6ff; color: #3b82f6; border-left-color: #3b82f6; }

.support-card {
    background: #1e293b; color: white; border-radius: 20px; padding: 30px; text-align: center;
}
.sc-btn {
    display: block; background: #3b82f6; color: white; padding: 12px; border-radius: 10px;
    font-weight: 700; text-decoration: none; margin-top: 20px; transition: 0.3s;
}
.sc-btn:hover { background: #2563eb; }

@media (max-width: 1024px) {
    .ud-grid { grid-template-columns: 1fr; }
    .ud-sidebar { order: 2; }
}