/* ============================================
   JaluziMarket — Ana CSS
   Font: Inter | Renk: Antrasit #1a1a2e
   ============================================ */

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

:root {
    --primary: #1a1a2e;
    --primary-light: #2d2d4e;
    --accent: #e63946;
    --success: #2d9b5d;
    --warning: #f4a261;
    --danger: #e63946;
    --info: #457b9d;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-400: #ced4da;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --text: #1a1a2e;
    --border-radius: 10px;
    --shadow: 0 2px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --transition: .2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: #fff; line-height: 1.6; font-size: 15px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- CONTAINER --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- HEADER --- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--gray-200); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; flex-shrink: 0; }
.logo-mark { background: var(--primary); color: #fff; width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 700; }
.logo-text { color: var(--primary); }
.main-nav { display: flex; gap: 4px; flex: 1; }
.main-nav a { padding: 6px 12px; border-radius: 6px; font-size: .9rem; color: var(--gray-800); transition: var(--transition); }
.main-nav a:hover { background: var(--gray-100); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.cart-btn { position: relative; display: flex; align-items: center; padding: 8px; border-radius: 8px; transition: var(--transition); color: var(--primary); }
.cart-btn:hover { background: var(--gray-100); }
.cart-badge { position: absolute; top: 2px; right: 2px; background: var(--accent); color: #fff; font-size: .65rem; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--primary); border-radius: 2px; }

/* --- MOBILE NAV --- */
.mobile-nav { position: fixed; inset: 0; background: #fff; z-index: 200; padding: 20px; display: flex; flex-direction: column; gap: 8px; transform: translateX(100%); transition: transform .3s ease; }
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { padding: 14px 16px; font-size: 1rem; font-weight: 500; border-radius: 8px; }
.mobile-nav a:hover { background: var(--gray-100); }
.close-nav { align-self: flex-end; background: none; border: none; font-size: 1.5rem; cursor: pointer; padding: 8px; margin-bottom: 8px; }

/* --- BUTTONS --- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: 8px; font-weight: 500; font-size: .9rem; border: 2px solid transparent; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--gray-400); }
.btn-outline:hover { border-color: var(--primary); background: var(--gray-50); }
.btn-outline-sm { padding: 6px 14px; font-size: .85rem; border-radius: 6px; }
.btn-whatsapp { background: #25d366; color: #fff; border-color: #25d366; }
.btn-whatsapp:hover { background: #20c55a; }
.btn-whatsapp-sm { background: #25d366; color: #fff; padding: 8px 12px; border-radius: 8px; font-size: .85rem; display: inline-flex; align-items: center; gap: 6px; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 10px; }
.btn-sm { padding: 6px 14px; font-size: .82rem; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-link { background: none; border: none; color: var(--primary); font-size: .85rem; cursor: pointer; text-decoration: underline; padding: 0; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* --- ALERTS / FLASH --- */
.alert { padding: 12px 20px; font-size: .9rem; font-weight: 500; }
.alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--success); }
.alert-error { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }

/* --- FORM ELEMENTS --- */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-control { padding: 10px 14px; border: 2px solid var(--gray-200); border-radius: 8px; font-size: .9rem; font-family: var(--font); color: var(--text); transition: var(--transition); width: 100%; background: #fff; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-control.is-invalid { border-color: var(--danger); }
.invalid-feedback { color: var(--danger); font-size: .82rem; }
.form-hint { color: var(--gray-600); font-size: .82rem; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: .9rem; }
label { font-size: .88rem; font-weight: 500; color: var(--gray-800); }

/* --- HERO --- */
.hero { background: linear-gradient(135deg, var(--primary) 0%, #2d2d4e 100%); color: #fff; padding: 80px 0; }
.hero-inner { display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; }
.hero h1 { font-size: 2.8rem; font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.hero h1 span { color: #a8d8ea; }
.hero p { font-size: 1.1rem; opacity: .85; margin-bottom: 24px; }
.hero-cats { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-btn { padding: 10px 18px; background: rgba(255,255,255,.12); color: #fff; border-radius: 8px; font-size: .9rem; font-weight: 500; border: 1px solid rgba(255,255,255,.25); transition: var(--transition); }
.cat-btn:hover { background: rgba(255,255,255,.22); }

/* --- QUICK CALC WIDGET --- */
.quick-calc { background: #fff; border-radius: 16px; padding: 28px; color: var(--text); box-shadow: var(--shadow-lg); }
.quick-calc h3 { font-size: 1.1rem; margin-bottom: 16px; }
.calc-tip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.calc-tip-btn { padding: 6px 14px; border-radius: 6px; border: 2px solid var(--gray-200); background: #fff; font-size: .85rem; cursor: pointer; transition: var(--transition); }
.calc-tip-btn.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.calc-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.calc-result { background: var(--gray-50); border-radius: 8px; padding: 14px; text-align: center; margin-bottom: 16px; }
.price-label { display: block; font-size: .8rem; color: var(--gray-600); margin-bottom: 4px; }
.price-val { font-size: 1.6rem; font-weight: 700; color: var(--primary); }

/* --- FEATURES BAR --- */
.features-bar { background: var(--gray-50); border-bottom: 1px solid var(--gray-200); padding: 20px 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-item { display: flex; align-items: center; gap: 12px; font-size: .9rem; font-weight: 500; }
.feature-item svg { color: var(--primary); flex-shrink: 0; }

/* --- PRODUCTS GRID --- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { border: 1px solid var(--gray-200); border-radius: 12px; overflow: hidden; transition: var(--transition); background: #fff; }
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.product-img-link { position: relative; display: block; }
.product-img { height: 200px; overflow: hidden; background: var(--gray-100); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.product-card:hover .product-img img { transform: scale(1.04); }
.product-img-placeholder { height: 100%; display: flex; align-items: center; justify-content: center; }
.product-tip-badge { position: absolute; top: 10px; left: 10px; background: var(--primary); color: #fff; font-size: .72rem; font-weight: 600; padding: 3px 8px; border-radius: 4px; }
.product-info { padding: 16px; }
.product-name { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.product-name a:hover { color: var(--accent); }
.product-price-hint { font-size: .85rem; color: var(--gray-600); margin-bottom: 12px; }
.product-actions { display: flex; gap: 8px; }

/* --- SECTIONS --- */
.section { padding: 60px 0; }
.bg-light { background: var(--gray-50); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.section-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 32px; }
.link-more { color: var(--primary); font-size: .9rem; font-weight: 500; }
h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; }

/* --- REVIEWS --- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--gray-50); border-radius: 12px; padding: 24px; }
.review-card p { font-style: italic; margin-bottom: 12px; color: var(--gray-800); }
.review-card span { font-size: .85rem; font-weight: 500; color: var(--gray-600); }

/* --- ÖLÇÜ BANNER --- */
.olcu-banner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.olcu-steps { display: flex; gap: 20px; }
.step { text-align: center; }
.step span { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--primary); color: #fff; border-radius: 50%; font-weight: 700; margin: 0 auto 8px; }
.step p { font-size: .85rem; color: var(--gray-800); }

/* --- URUN DETAY --- */
.urun-detay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 24px; }
.ana-gorsel { border-radius: 12px; overflow: hidden; background: var(--gray-100); aspect-ratio: 4/3; }
.ana-gorsel img { width: 100%; height: 100%; object-fit: cover; }
.gorsel-placeholder { height: 100%; display: flex; align-items: center; justify-content: center; color: var(--gray-400); }
.gorsel-thumbnails { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.gorsel-thumbnails .thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.gorsel-thumbnails .thumb:hover { border-color: var(--primary); }
.urun-baslik { font-size: 1.8rem; font-weight: 700; margin-bottom: 6px; }
.urun-tip-badge { display: inline-block; background: var(--gray-100); color: var(--gray-800); font-size: .8rem; font-weight: 600; padding: 4px 10px; border-radius: 5px; margin-bottom: 20px; }
.konfig-section { margin-bottom: 20px; }
.konfig-label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 8px; color: var(--gray-800); }
.renk-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.renk-btn { width: 36px; height: 36px; border-radius: 50%; border: 3px solid transparent; cursor: pointer; overflow: hidden; transition: var(--transition); background: var(--gray-200); }
.renk-btn.active { border-color: var(--primary); box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary); }
.renk-btn img { width: 100%; height: 100%; object-fit: cover; }
.slider { width: 100%; accent-color: var(--primary); cursor: pointer; }
.slider-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.slider-val-box { display: flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 500; }
.slider-input { width: 70px; padding: 4px 8px; border: 2px solid var(--gray-200); border-radius: 6px; font-size: .9rem; font-family: var(--font); text-align: center; }
.slider-hint { display: flex; justify-content: space-between; font-size: .78rem; color: var(--gray-600); margin-top: 4px; }
.konfig-note { background: #eff6ff; border-left: 3px solid #3b82f6; padding: 8px 12px; border-radius: 0 6px 6px 0; font-size: .82rem; color: #1e40af; display: flex; align-items: flex-start; gap: 6px; margin-top: 8px; }
.konfig-uyari { background: #fffbeb; border-left: 3px solid var(--warning); padding: 10px 14px; border-radius: 0 8px 8px 0; margin-bottom: 16px; }
.uyari-item { font-size: .85rem; color: #92400e; padding: 2px 0; }
.konfig-hata { background: #fee2e2; border-left: 3px solid var(--danger); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: .85rem; color: #991b1b; margin-bottom: 16px; }
.motor-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.motor-opt { display: flex; align-items: center; gap: 6px; font-size: .9rem; cursor: pointer; }
.fiyat-ozet { background: var(--gray-50); border: 2px solid var(--gray-200); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.fiyat-satirlar { margin-bottom: 12px; }
.fiyat-satir { display: flex; justify-content: space-between; font-size: .88rem; padding: 4px 0; }
.fiyat-note { color: var(--gray-600); font-size: .8rem; }
.fiyat-toplam { display: flex; justify-content: space-between; align-items: center; border-top: 2px solid var(--gray-200); padding-top: 12px; font-weight: 600; }
.fiyat-rakam { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.chart-toggle { text-align: right; }
.oneri-box { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 10px; padding: 14px; margin-bottom: 16px; }
.oneri-sonuc { margin-top: 10px; font-size: .88rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.urun-btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.urun-btn-group .btn { flex: 1; }

/* --- SEPET --- */
.sepet-grid { display: grid; grid-template-columns: 1fr 360px; gap: 32px; margin-top: 24px; }
.sepet-kalem { display: flex; align-items: flex-start; gap: 16px; padding: 20px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 12px; margin-bottom: 12px; }
.kalem-info { flex: 1; }
.kalem-info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.kalem-renk, .kalem-olcu { font-size: .85rem; color: var(--gray-600); }
.kalem-not { font-size: .8rem; color: var(--gray-600); margin-top: 4px; }
.kalem-adet { display: flex; align-items: center; gap: 10px; }
.adet-btn { width: 28px; height: 28px; border: 2px solid var(--gray-200); background: #fff; border-radius: 6px; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.adet-btn:hover { border-color: var(--primary); }
.kalem-fiyat { font-weight: 600; text-align: right; min-width: 90px; }
.kalem-fiyat small { display: block; font-size: .78rem; color: var(--gray-600); font-weight: 400; }
.kaldir-btn { background: none; border: none; color: var(--gray-400); font-size: 1.1rem; cursor: pointer; padding: 4px; transition: var(--transition); }
.kaldir-btn:hover { color: var(--danger); }
.ozet-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 12px; padding: 24px; }
.ozet-card h3 { font-size: 1.1rem; margin-bottom: 16px; }
.ozet-satir { display: flex; justify-content: space-between; padding: 8px 0; font-size: .9rem; }
.border-top { border-top: 1px solid var(--gray-200); }
.ozet-toplam { display: flex; justify-content: space-between; font-size: 1.1rem; font-weight: 700; border-top: 2px solid var(--gray-200); padding-top: 12px; margin: 8px 0 16px; }
.ozet-kalem { display: flex; justify-content: space-between; font-size: .85rem; padding: 4px 0; }
.kargo-hint { font-size: .82rem; color: var(--info); background: #e0f0ff; padding: 6px 10px; border-radius: 6px; margin-top: 4px; }
.sticky-top { position: sticky; top: 80px; }

/* --- CHECKOUT --- */
.checkout-grid { display: grid; grid-template-columns: 1fr 380px; gap: 32px; margin-top: 24px; }
.checkout-section { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 12px; padding: 24px; margin-bottom: 20px; }
.checkout-section h3 { margin-bottom: 16px; font-size: 1.1rem; }
.odeme-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.odeme-opt { display: flex; align-items: flex-start; gap: 12px; padding: 14px; border: 2px solid var(--gray-200); border-radius: 10px; cursor: pointer; transition: var(--transition); }
.odeme-opt:has(input:checked) { border-color: var(--primary); background: #f0f4ff; }
.odeme-opt-inner strong { display: block; font-size: .9rem; }
.odeme-opt-inner small { color: var(--gray-600); font-size: .8rem; }

/* --- FOOTER --- */
.site-footer { background: var(--primary); color: rgba(255,255,255,.8); margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding: 48px 0 32px; }
.footer-brand .logo { margin-bottom: 12px; color: #fff; }
.footer-brand .logo-mark { background: rgba(255,255,255,.15); }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: .88rem; opacity: .7; }
.footer-links h4 { color: #fff; font-size: .88rem; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .05em; }
.footer-links a { display: block; font-size: .85rem; padding: 3px 0; opacity: .7; transition: var(--transition); }
.footer-links a:hover { opacity: 1; }
.footer-contact h4 { color: #fff; font-size: .88rem; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .05em; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); text-align: center; padding: 16px 0; font-size: .82rem; opacity: .5; }

/* --- WHATSAPP FLOAT --- */
.whatsapp-float { position: fixed; bottom: 28px; right: 28px; z-index: 99; background: #25d366; color: #fff; width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37,211,102,.4); transition: var(--transition); }
.whatsapp-float:hover { transform: scale(1.1); }

/* --- TOAST --- */
.toast { position: fixed; bottom: 100px; right: 24px; z-index: 999; background: var(--primary); color: #fff; padding: 12px 20px; border-radius: 10px; font-size: .9rem; font-weight: 500; opacity: 0; transform: translateY(10px); transition: .3s ease; pointer-events: none; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.toast-error { background: var(--danger); }

/* --- AUTH --- */
.auth-page { min-height: calc(100vh - 64px); display: flex; align-items: center; justify-content: center; padding: 40px 16px; background: var(--gray-50); }
.auth-card { background: #fff; border-radius: 16px; padding: 40px; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); }
.auth-card h2 { font-size: 1.4rem; margin-bottom: 24px; }

/* --- MISC --- */
.breadcrumb { font-size: .85rem; color: var(--gray-600); margin-bottom: 20px; }
.breadcrumb a { color: var(--gray-600); }
.breadcrumb a:hover { color: var(--primary); }
.page-title-main { font-size: 2rem; font-weight: 700; margin-bottom: 24px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-600); }
.empty-state h3 { font-size: 1.3rem; margin: 16px 0 8px; color: var(--gray-800); }
.success-icon { width: 72px; height: 72px; background: var(--success); color: #fff; border-radius: 50%; font-size: 2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.error-icon { width: 72px; height: 72px; background: var(--danger); color: #fff; border-radius: 50%; font-size: 2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.kargo-track { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 10px; padding: 14px 18px; display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.urunler-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-btn { padding: 8px 16px; border-radius: 20px; font-size: .85rem; font-weight: 500; border: 2px solid var(--gray-200); color: var(--gray-800); transition: var(--transition); }
.filter-btn.active, .filter-btn:hover { border-color: var(--primary); background: var(--primary); color: #fff; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .hero-widget { display: none; }
    .urun-detay-grid { grid-template-columns: 1fr; }
    .sepet-grid, .checkout-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .olcu-banner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 2rem; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .odeme-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .products-grid { grid-template-columns: 1fr; }
    .urun-btn-group { flex-direction: column; }
}