/* ============ Araç Yedek Parça — Vitrin Stili ============ */
:root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --ink: #16202c;
    --ink-soft: #5a6a7d;
    --line: #e2e8f0;
    --brand: #10233c;
    --brand-2: #1b3a5f;
    --accent: #f0632a;
    --accent-dark: #d4531f;
    --success: #178a50;
    --danger: #cf3341;
    --radius: 12px;
    --shadow: 0 2px 10px rgba(16, 35, 60, .07);
    --shadow-lg: 0 10px 30px rgba(16, 35, 60, .14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.55;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--ink-soft); }

/* ---------- Header ---------- */
.site-header {
    background: linear-gradient(120deg, var(--brand), var(--brand-2));
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 12px; color: #fff; }
.logo svg { color: var(--accent); flex-shrink: 0; }
.logo strong { display: block; font-size: 1.15rem; letter-spacing: .3px; }
.logo small { display: block; font-size: .72rem; opacity: .75; max-width: 340px; }
.main-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.main-nav a {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, .88);
    transition: background .15s, color .15s;
}
.main-nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.main-nav .phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}
.main-nav .phone-btn:hover { background: var(--accent-dark); }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 55%, #24507f 100%);
    color: #fff;
    padding: 64px 0 72px;
    text-align: center;
}
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 10px; }
.hero p { font-size: clamp(.95rem, 2vw, 1.15rem); opacity: .82; max-width: 640px; margin: 0 auto; }

/* ---------- Filtre çubuğu ---------- */
.filter-bar {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 20px 0;
}
.filter-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.filter-field { display: flex; flex-direction: column; gap: 5px; min-width: 150px; }
.filter-field.grow { flex: 1 1 240px; }
.filter-field label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); }
.filter-field input,
.filter-field select {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: .93rem;
    background: #fff;
    color: var(--ink);
}
.filter-field input:focus,
.filter-field select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.filter-actions { display: flex; gap: 8px; }

/* ---------- Butonlar ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: .93rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--bg); }
.btn-whatsapp { background: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1fb457; }

/* ---------- Ürün listesi ---------- */
.products-section { padding: 36px 0 60px; }
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.section-head h2 { font-size: 1.5rem; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}
.product-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow .2s, transform .2s;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.product-thumb { position: relative; aspect-ratio: 4 / 3; background: #eef1f5; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #aeb9c6;
    font-size: .8rem;
}
.thumb-badge { position: absolute; top: 10px; left: 10px; }
.product-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.product-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
    font-size: .7rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 99px;
    background: var(--brand);
    color: #fff;
    letter-spacing: .2px;
}
.tag-soft { background: #e8eef6; color: var(--brand-2); }
.product-body h3 { font-size: 1rem; line-height: 1.35; }
.product-code { font-size: .78rem; color: var(--ink-soft); }
.product-price { margin-top: auto; padding-top: 6px; font-size: 1.1rem; font-weight: 700; color: var(--accent-dark); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: .72rem;
    font-weight: 700;
}
.badge-accent { background: var(--accent); color: #fff; }
.badge-success { background: #e2f5eb; color: var(--success); }
.badge-danger { background: #fbe4e6; color: var(--danger); }

/* ---------- Boş durum ---------- */
.empty-state {
    background: var(--surface);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 60px 24px;
    text-align: center;
    color: var(--ink-soft);
}
.empty-state svg { margin: 0 auto 14px; opacity: .45; }
.empty-state h3 { color: var(--ink); margin-bottom: 6px; }
.empty-state .btn { margin-top: 16px; }

/* ---------- Sayfalama ---------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
    flex-wrap: wrap;
}
.pagination a, .pagination .current {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--surface);
    font-size: .9rem;
    font-weight: 600;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent-dark); }
.pagination .current { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- Ürün detay ---------- */
.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    font-size: .85rem;
    color: var(--ink-soft);
    margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb strong { color: var(--ink); }

.product-detail {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 32px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}
.gallery-main {
    aspect-ratio: 4 / 3;
    border-radius: 10px;
    overflow: hidden;
    background: #eef1f5;
    border: 1px solid var(--line);
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-main.no-image { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #aeb9c6; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery-thumb {
    width: 72px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--line);
    padding: 0;
    cursor: pointer;
    background: #eef1f5;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--accent); }

.detail-info h1 { font-size: 1.5rem; margin: 10px 0 6px; }
.detail-price { font-size: 1.6rem; font-weight: 800; color: var(--accent-dark); margin-bottom: 18px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.spec-table th, .spec-table td {
    text-align: left;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    font-size: .9rem;
}
.spec-table th { color: var(--ink-soft); font-weight: 600; width: 42%; }
.detail-desc h3 { font-size: 1.02rem; margin-bottom: 8px; }
.detail-desc p { font-size: .93rem; color: #33404f; }
.detail-contact { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

/* ---------- İletişim ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.contact-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
}
.contact-card h3 { margin-bottom: 14px; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: .92rem; }
.contact-list.big { font-size: .98rem; gap: 12px; }
.contact-list a:hover { color: var(--accent-dark); }

/* ---------- Footer ---------- */
.site-footer { background: var(--brand); color: rgba(255, 255, 255, .82); margin-top: 20px; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 28px;
    padding: 40px 20px 30px;
}
.site-footer h4 { color: #fff; margin-bottom: 12px; font-size: 1rem; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: .88rem; }
.site-footer a:hover { color: var(--accent); }
.site-footer p { font-size: .88rem; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 14px 0;
    font-size: .8rem;
    text-align: center;
}

/* ---------- Duyarlılık ---------- */
@media (max-width: 860px) {
    .product-detail { grid-template-columns: 1fr; padding: 18px; }
    .header-inner { justify-content: center; text-align: center; }
}
@media (max-width: 560px) {
    .filter-form { flex-direction: column; align-items: stretch; }
    .filter-field { min-width: 0; }
    .filter-actions .btn { flex: 1; }
}