/* --- NAVIGATION --- */
.vlk-nav {
    background: rgba(9, 9, 9, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-medium);
}
.nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    margin: 0 15px;
    font-size: 0.85rem;
    transition: var(--transition-speed);
}
.nav-link:hover { color: var(--vlk-red) !important; }

/* Logo alanı için ek stiller */
.navbar-brand {
    padding-top: 5px;
    padding-bottom: 5px;
}

/* --- HERO --- */
.vlk-hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at 10% 20%, rgba(227, 6, 19, 0.08), transparent);
}
.vlk-title-line {
    width: 50px;
    height: 4px;
    background: var(--vlk-red);
    margin-bottom: 20px;
}

/* --- SECTION SPACING --- */
.vlk-section { padding: 100px 0; }
.vlk-section-sm { padding: 70px 0; }

/* --- KARTLAR & LİSTELER --- */
.vlk-card {
    background: var(--vlk-card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    padding: 30px;
    transition: 0.4s;
    height: 100%;
}
.vlk-card:hover {
    border-color: rgba(227, 6, 19, 0.3);
    background: rgba(227, 6, 19, 0.02);
    transform: translateY(-5px);
}

.mikro-list {
    list-style: none;
    padding: 0;
}
.mikro-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}
.mikro-list li i {
    color: var(--vlk-red);
    font-size: 0.8rem;
}

/* --- ÇALIŞMA YAKLAŞIMI --- */
.step-box {
    position: relative;
    padding-left: 40px;
    border-left: 2px solid var(--border-medium);
    margin-bottom: 30px;
}
.step-box::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--vlk-red);
    border: 4px solid var(--vlk-dark);
}

/* --- FOOTER --- */
.vlk-footer {
    background: #050505;
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-light);
}
.footer-h {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 25px;
    letter-spacing: 1px;
}
.footer-link {
    color: var(--text-muted) !important;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    transition: 0.2s;
}
.footer-link:hover {
    color: var(--vlk-red) !important;
    padding-left: 5px;
}
.footer-text {
    color: var(--text-muted) !important;
}

/* --- MODAL --- */
.modal-content {
    background: var(--vlk-gray);
    border: 1px solid var(--border-medium);
    border-radius: 30px;
}

/* --- REFERANS KONSEPTLER --- */
.demo-card {
    background: var(--vlk-card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    padding: 30px;
    transition: 0.4s;
    height: 100%;
}
.demo-card:hover {
    border-color: rgba(227, 6, 19, 0.3);
    background: rgba(227, 6, 19, 0.02);
}
.price-box {
    background: rgba(227, 6, 19, 0.08);
    border-left: 4px solid var(--vlk-red);
    padding: 15px;
    border-radius: 0 12px 12px 0;
    margin: 20px 0;
}
.price-value {
    font-size: 1.8rem;
    font-weight: 700;
}

/* --- KİMLER İÇİN --- */
.client-card {
    background: var(--vlk-card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    padding: 30px;
    height: 100%;
    transition: 0.3s;
}
.client-card:hover {
    border-color: rgba(227, 6, 19, 0.3);
    background: rgba(255, 255, 255, 0.02);
    transform: translateY(-5px);
}
.client-icon {
    width: 60px;
    height: 60px;
    background: rgba(227, 6, 19, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.client-icon i {
    font-size: 1.5rem;
    color: var(--vlk-red);
}

/* Referans Kartları Hover Efekti - SADECE KART İÇİN (buton hariç) */
.concept-card:hover {
    transform: translateY(-8px);
    border-color: rgba(227, 6, 19, 0.3) !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    background: rgba(227, 6, 19, 0.05) !important;
}

/* SATIN AL BUTONU - HAREKET YOK */
.concept-card .btn-danger {
    transition: none !important;
}

.concept-card .btn-danger:hover,
.concept-card .btn-danger:focus,
.concept-card .btn-danger:active {
    transform: none !important;
    box-shadow: none !important;
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: #fff !important;
}