/* --- Footer Genel Stilleri --- */
.site-footer {
    background-color: var(--footer-bg-light); /* Varsayılan açık mod */
    color: var(--footer-text-light);
    padding: var(--spacing-lg) 0 0; /* Üstten boşluk, alttan boşluk copyright için ayrıldı */
    font-family: 'Inter', sans-serif;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Esnek sütunlar */
    gap: 30px;
    max-width: 1280px; /* main.css ve home.css ile uyumlu */
    margin: 0 auto;
    padding: 0 var(--spacing-sm); /* Yanlarda boşluk bırak */
    margin-bottom: var(--spacing-lg); /* Copyright bölümü ile arası */
}

.footer-col {
    padding: 10px;
}

.footer-col h3 {
    font-size: 1.4em;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--footer-heading-light);
    position: relative;
    padding-bottom: 10px;
    transition: color var(--transition-speed);
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px; /* Başlık alt çizgisi */
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 5px;
}

/* Logo ve Açıklama Bölümü */
.footer-logo-link {
    display: inline-block;
    margin-bottom: 20px;
}
.footer-logo {
    max-height: 50px; /* Logo yüksekliği */
    width: auto;
    filter: brightness(var(--logo-filter-light)); /* Gündüz modunda logo filtresi */
    transition: filter var(--transition-speed);
}

.footer-description {
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 25px;
    opacity: 0.85;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--social-icon-bg-light);
    color: var(--social-icon-color-light);
    font-size: 1.1em;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform 0.2s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

/* Hızlı Erişim ve Kategoriler Listeleri */
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--footer-link-light);
    text-decoration: none;
    font-size: 0.98em;
    opacity: 0.9;
    transition: color var(--transition-speed), opacity 0.2s ease, padding-left 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    opacity: 1;
    padding-left: 5px; /* Hafif kaydırma efekti */
}

/* Bize Ulaşın Bölümü */
.contact-us address {
    font-style: normal; /* Varsayılan italic'i kaldır */
}

.contact-us p {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.contact-us p i {
    color: var(--primary-color);
    font-size: 1.1em;
    margin-top: 3px; /* İkonu metinle hizala */
}

.contact-us p a {
    color: var(--footer-link-light);
    text-decoration: none;
    opacity: 0.9;
    transition: color var(--transition-speed), opacity 0.2s ease;
}

.contact-us p a:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* Footer Alt Bölüm (Copyright) */
.footer-bottom {
    background-color: var(--footer-bottom-bg-light);
    padding: 20px 0;
    border-top: 1px solid var(--footer-border-light);
    text-align: center;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.copyright-text {
    font-size: 0.9em;
    opacity: 0.7;
    margin: 0;
}


/* --- Dark Mode Stilleri --- */
body.dark-mode .site-footer {
    background-color: var(--footer-bg-dark);
    color: var(--footer-text-dark);
}
body.dark-mode .footer-col h3 {
    color: var(--footer-heading-dark);
}
body.dark-mode .footer-logo {
    filter: brightness(var(--logo-filter-dark)); /* Koyu modda logo filtresi */
}
body.dark-mode .social-links a {
    background-color: var(--social-icon-bg-dark);
    color: var(--social-icon-color-dark);
}
body.dark-mode .footer-col ul li a,
body.dark-mode .contact-us p a {
    color: var(--footer-link-dark);
}
body.dark-mode .footer-bottom {
    background-color: var(--footer-bottom-bg-dark);
    border-color: var(--footer-border-dark);
}


/* --- Mobil Uyumluluk --- */
@media (max-width: 768px) {
    .site-footer {
        padding: var(--spacing-md) 0 0;
    }
    .footer-container {
        grid-template-columns: 1fr; /* Tek sütunlu yapı */
        gap: 25px;
        padding: 0 var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .footer-col {
        text-align: center;
        padding: 0;
    }

    .footer-col h3 {
        margin-bottom: 15px;
        font-size: 1.3em;
        text-align: center;
    }
    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-description {
        margin-bottom: 20px;
        font-size: 0.9em;
    }

    .social-links {
        justify-content: center; /* Sosyal medya ikonlarını ortala */
        margin-bottom: 25px;
    }

    .footer-col ul {
        margin-bottom: 25px;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a:hover {
        padding-left: 0; /* Mobil hover efektini kaldır */
    }

    .contact-us p {
        justify-content: center; /* İletişim bilgilerini ortala */
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 30px 0 0;
    }
    .footer-col h3 {
        font-size: 1.2em;
    }
    .footer-bottom {
        padding: 15px 0;
    }
    .copyright-text {
        font-size: 0.85em;
        padding: 0 10px;
    }
}