/* ========================================================= */
/* 1. BUTONLAR */
/* ========================================================= */
.btn {
    display: inline-block;
    padding: 12px 30px; 
    border: none;
    border-radius: 4px; 
    cursor: pointer;
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-easing);
    text-transform: uppercase;
    will-change: transform; 
}

.primary-btn {
    background-color: var(--color-primary);
    color: var(--color-dark-bg); 
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5); 
}

.primary-btn:hover {
    background-color: var(--color-secondary); 
    color: var(--color-dark-bg);
    transform: translateY(-2px); 
    box-shadow: 0 8px 25px rgba(138, 43, 226, 0.4); 
}

.secondary-btn {
    background-color: transparent;
    color: var(--color-text-light); 
    border: 1px solid var(--color-text-muted); 
}

.secondary-btn:hover {
    background-color: var(--color-primary); 
    color: var(--color-dark-bg); 
    transform: scale(1.01);
    border: 1px solid var(--color-primary);
}

.large-btn {
    padding: 14px 40px;
    font-size: 1rem;
}

/* ========================================================= */
/* 2. SERVİS KARTLARI STİLİ (service-card) - DÜZELTİLDİ */
/* ========================================================= */
.service-card {
    /* Yatay düzende esnekliği koru */
    flex-basis: 220px; 
    flex-grow: 1; 

    background-color: var(--color-dark-surface);
    padding: var(--spacing-md); 
    border-radius: 8px; 
    border: 1px solid var(--color-border); 
    
    transition: transform var(--transition-speed) var(--transition-easing), box-shadow var(--transition-speed) var(--transition-easing), border-color var(--transition-speed);
    will-change: transform, box-shadow; 
    
    text-align: center; 
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-3px); 
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15); 
    border-color: var(--color-primary); 
}

.service-card i {
    font-size: 1.8rem; 
    color: var(--color-primary);
    margin-bottom: 5px; 
    transition: transform 0.4s ease;
}

.service-card:hover i {
    transform: scale(1.1); 
}

.service-card h4 {
    font-size: 1.1rem; 
    margin-bottom: 5px;
    color: var(--color-text-light);
    font-weight: 700;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.8rem; 
    line-height: 1.3;
}

/* ========================================================= */
/* 3. PARTNER VE LOGO STİLLERİ */
/* ========================================================= */

.partner-logo {
    max-width: 120px;
    height: auto;
    filter: grayscale(100%) brightness(0.8); 
    opacity: 0.7;
    transition: filter var(--transition-speed), opacity var(--transition-speed);
}

.partner-logo:hover {
    filter: grayscale(0%) brightness(1); 
    opacity: 1;
}

.footer-brand-logo {
    width: 40px; 
    height: auto;
    filter: none; 
    display: inline-block;
    margin-right: 10px;
}