/* ── Teklif Formu Uyarıları ── */
.alert-success {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    color: #166534;
    font-size: var(--font-size-sm);
}
.alert-success svg { width: 20px; height: 20px; color: #22c55e; flex-shrink: 0; margin-top: .1rem; }

.alert-error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    color: #991b1b;
    font-size: var(--font-size-sm);
}
.alert-error ul { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .25rem; }

/* ── Placeholder görseller (gerçek görsel yokken) ── */
img[src="assets/images/hero-products.png"]:not([src^="data"]),
img[src*="assets/images/products/"],
img[src*="assets/images/activity/"],
img[src*="assets/images/about-factory.jpg"] {
    background: transparent;
    min-height: 80px;
}

/* ── Teklif Section ek stil ── */
.teklif-section { padding: 4rem 0 3rem; }

/* ── Select form control ── */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
    padding-right: 2.5rem;
}

/* ── Marka logosuz fallback ── */
.brand-card span {
    font-size: .62rem;
    font-weight: 700;
    color: var(--color-gray-600);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .04em;
    line-height: 1.3;
    word-break: break-word;
}

/* ── Scroll to top button ── */
.scroll-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px; height: 44px;
    background: var(--color-orange);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(249,115,22,.4);
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
    z-index: 500;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { background: var(--color-orange-dk); transform: translateY(-2px); }
.scroll-top svg { width: 20px; height: 20px; }