/* ================================================================
   AYTEM KURUMSAL — FOOTER CSS
   Modern 4 kolon footer + bottom bar
================================================================ */

/* --- Ana Footer --- */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.75);
    padding: var(--space-20) 0 0;
    position: relative;
    overflow: hidden;
}

/* Hafif arka plan deseni */
.site-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

/* Mavi ışık sol üst */
.site-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 35%;
    height: 60%;
    background: radial-gradient(
        ellipse at top left,
        rgba(0, 159, 227, 0.06) 0%,
        transparent 65%
    );
    pointer-events: none;
}

.footer-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: var(--space-10);
    width: var(--container-width);
    max-width: var(--container-max);
    margin: 0 auto;
    padding-bottom: var(--space-16);
}

/* --- Footer Sütun Ortak --- */
.footer-col h4 {
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    position: relative;
    padding-bottom: var(--space-3);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* --- 1. Sütun: Marka / Hakkında --- */
.footer-brand .footer-logo {
    display: block;
    margin-bottom: var(--space-5);
    line-height: 0;
}

.footer-brand .footer-logo img {
    height: 52px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.6);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
    max-width: 280px;
}

/* İletişim bilgileri */
.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.65);
}

.footer-contact-list li i {
    color: var(--color-primary);
    font-size: 0.875rem;
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

.footer-contact-list li a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-contact-list li a:hover {
    color: var(--color-primary-light);
}

/* --- 2-4. Sütun: Linkler --- */
.footer-links ul,
.footer-social ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links ul li a,
.footer-social ul li a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-links ul li a::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    opacity: 0;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.footer-links ul li a:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

.footer-links ul li a:hover::before {
    opacity: 1;
}

/* --- Sosyal Medya Linkleri --- */
.footer-social ul li a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.footer-social ul li a i {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.footer-social ul li a:hover {
    color: var(--color-white);
}

.footer-social ul li a:hover i {
    background: var(--color-primary);
    transform: scale(1.1);
}

/* Platform renkleri (hover) */
.footer-social ul li.facebook a:hover i { background: #1877f2; }
.footer-social ul li.instagram a:hover i { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.footer-social ul li.whatsapp a:hover i { background: #25d366; }
.footer-social ul li.pinterest a:hover i { background: #e60023; }

/* Eski footer-social yapısı için geriye uyumluluk (svg ikonlar) */
.footer-social a img {
    display: none; /* SVG yerine Font Awesome kullanacağız */
}

/* --- Footer CTA Bandı (Premium) --- */
.footer-cta-band {
    position: relative;
    background: linear-gradient(135deg, var(--color-dark) 0%, #0d1f32 50%, var(--color-dark-mid) 100%);
    padding: var(--space-20) 0;
    text-align: center;
    overflow: hidden;
}

/* Nokta deseni arka plan */
.footer-cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
}

/* Mavi ışıma efekti */
.footer-cta-band::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(0,159,227,0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.footer-cta-band .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

/* İkon */
.footer-cta-band .cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(0,159,227,0.15);
    border: 1px solid rgba(0,159,227,0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 1.6rem;
    margin-bottom: var(--space-2);
}

.footer-cta-text {
    text-align: center;
}

.footer-cta-text h3 {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
    font-family: var(--font-heading);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.footer-cta-text p {
    color: rgba(255,255,255,0.65);
    font-size: var(--font-size-md);
    max-width: 480px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.footer-cta-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-2);
}

/* --- Footer Alt Bar --- */
.footer-bottom {
    position: relative;
    z-index: 1;
    background: rgba(0,0,0,0.25);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: var(--space-5) 0;
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    width: var(--container-width);
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-bottom p,
.footer-bottom-left {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.45);
    margin: 0;
}

.footer-bottom a {
    color: rgba(255,255,255,0.55);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--color-primary-light);
}

.footer-bottom-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: 1;
    }

    .footer-cta-band .container {
        text-align: center;
    }

    .footer-cta-actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

    .footer-cta-actions .btn {
        width: 100%;
    }

    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
}