/* ============================================================
   Keskin Duş — modern minimal tema
   ============================================================ */
:root {
    --ink: #202020;
    --ink-soft: #47606f;
    --line: #e3ebef;
    --bg: #ffffff;
    --bg-soft: #f4f8fa;
    --accent: #cf0b13;      /* derin camgöbeği */
    --accent-dark: #880a0e;
    --accent-soft: #e0f2f7;
    --gold: #b98a2f;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(16, 32, 43, .08);
    --font: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { line-height: 1.25; font-weight: 800; letter-spacing: -.01em; }

/* ---------- Butonlar ---------- */
.btn { display: inline-block; padding: 12px 26px; border-radius: 999px; font-weight: 700; font-size: 15px; border: 2px solid transparent; cursor: pointer; transition: .2s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent-soft); }

/* ---------- Topbar / Header ---------- */
.topbar { background: var(--ink); color: #cfe3ec; font-size: 13.5px; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 7px 20px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; margin-left: 14px; }
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-in { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; gap: 20px; }
.brand-mark { font-size: 26px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.brand-mark b { color: var(--accent); }
.brand-mark.light { color: #fff; }
.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a { color: var(--ink-soft); font-weight: 600; font-size: 15px; }
.main-nav a:hover, .main-nav a.on { color: var(--accent); }
.main-nav .nav-cta { color: #fff; margin-left: 6px; padding: 10px 20px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 540px; display: flex; align-items: center; overflow: hidden; background: var(--ink); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s; }
.hero-slide.on { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; opacity: .38; }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 640px; padding: 80px 0; }
.hero-content .eyebrow { color: #7dd3e8; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
.hero-content h1 { font-size: clamp(30px, 4.6vw, 52px); margin: 14px 0 18px; }
.hero-content p { font-size: 18px; color: #d8e6ee; margin-bottom: 28px; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.hero-badges span { background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); padding: 7px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600; }

/* ---------- Bölümler ---------- */
.section { padding: 74px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head .eyebrow { color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: 12.5px; }
.section-head h2 { font-size: clamp(24px, 3.4vw, 36px); margin: 8px 0 10px; }
.section-head p { color: var(--ink-soft); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Kartlar ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .25s; display: flex; flex-direction: column; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.card-img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-soft); }
.card-img.wide { aspect-ratio: 16 / 10; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18px; margin-bottom: 8px; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { color: var(--ink-soft); font-size: 14.5px; flex: 1; }
.card-meta { font-size: 13px; color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.card-link { margin-top: 14px; font-weight: 700; font-size: 14.5px; }

/* ---------- Neden Biz ---------- */
.feature { text-align: center; padding: 30px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.feature .ico { width: 58px; height: 58px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 16px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { color: var(--ink-soft); font-size: 14px; }

/* ---------- Kampanya bandı ---------- */
.campaign-strip { background: linear-gradient(120deg, var(--accent-dark), var(--accent)); color: #fff; border-radius: var(--radius); padding: 34px 38px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.campaign-strip h3 { font-size: 22px; }
.campaign-strip p { color: #d8eef5; margin-top: 6px; }
.badge { display: inline-block; background: var(--gold); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .08em; padding: 4px 12px; border-radius: 999px; text-transform: uppercase; }

/* ---------- CTA ---------- */
.cta { background: var(--ink); color: #fff; text-align: center; padding: 80px 20px; }
.cta h2 { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 14px; }
.cta p { color: #b9cdd8; max-width: 560px; margin: 0 auto 30px; }

/* ---------- Sayfa başlığı ---------- */
.page-head { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 52px 0 44px; }
.page-head h1 { font-size: clamp(26px, 3.8vw, 40px); }
.page-head p { color: var(--ink-soft); max-width: 640px; margin-top: 10px; }
.breadcrumbs { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 12px; }
.breadcrumbs a { color: var(--ink-soft); }
.breadcrumbs a:hover { color: var(--accent); }

/* ---------- Ürün detay ---------- */
.product-detail { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: start; }
.product-detail .photo { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.spec-list { list-style: none; margin: 20px 0; }
.spec-list li { padding: 10px 0 10px 30px; border-bottom: 1px dashed var(--line); position: relative; color: var(--ink-soft); }
.spec-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.spec-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin: 18px 0; font-size: 14.5px; }
.spec-box strong { color: var(--ink); }

/* ---------- İçerik (blog / sayfa) ---------- */
.prose { max-width: 760px; }
.prose p { margin-bottom: 18px; color: #2c4250; }
.prose h2 { font-size: 24px; margin: 34px 0 14px; }
.prose h3 { font-size: 19px; margin: 26px 0 12px; }
.prose ul, .prose ol { margin: 0 0 18px 22px; color: #2c4250; }
.prose li { margin-bottom: 8px; }
.prose img { border-radius: var(--radius); margin: 24px 0; }
.prose a { font-weight: 600; }

/* ---------- Formlar ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label { font-weight: 700; font-size: 14px; display: block; margin-bottom: 6px; }
input[type="text"], input[type="tel"], input[type="email"], input[type="password"], input[type="date"], input[type="number"], select, textarea {
    width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; font-family: var(--font); font-size: 15px; color: var(--ink); background: #fff; transition: .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 120px; resize: vertical; }
.field-err { color: #c0392b; font-size: 13px; margin-top: 4px; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.alert { padding: 14px 18px; border-radius: 10px; margin: 18px 0; font-weight: 600; }
.alert-success { background: #e8f7ef; color: #187a44; border: 1px solid #bfe8d0; }
.alert-error { background: #fdecea; color: #b03a2e; border: 1px solid #f5c6c0; }

/* ---------- Galeri ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-grid a { border-radius: 12px; overflow: hidden; display: block; aspect-ratio: 4 / 5; border: 1px solid var(--line); }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: .35s; }
.gallery-grid a:hover img { transform: scale(1.05); }
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-tabs a { padding: 8px 18px; border-radius: 999px; border: 1.5px solid var(--line); color: var(--ink-soft); font-weight: 600; font-size: 14px; }
.filter-tabs a.on, .filter-tabs a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

#lightbox { position: fixed; inset: 0; background: rgba(10, 20, 27, .92); display: none; align-items: center; justify-content: center; z-index: 100; padding: 30px; cursor: zoom-out; }
#lightbox.on { display: flex; }
#lightbox img { max-width: 92vw; max-height: 90vh; border-radius: 10px; }

/* ---------- Sayfalama ---------- */
.pagination { display: flex; gap: 6px; margin-top: 36px; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--ink-soft); }
.pagination .active span, .pagination span[aria-current] { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: start; }
.contact-info li { list-style: none; padding: 12px 0; border-bottom: 1px dashed var(--line); color: var(--ink-soft); }
.contact-info strong { color: var(--ink); display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #b9cdd8; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr 1.6fr; gap: 36px; padding: 60px 20px 44px; }
.site-footer h3 { color: #fff; font-size: 15px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .08em; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; font-size: 14.5px; }
.site-footer a { color: #b9cdd8; }
.site-footer a:hover { color: #fff; }
.footer-desc { font-size: 14.5px; margin-top: 14px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 13.5px; }

/* ---------- WhatsApp ---------- */
.wa-float { position: fixed; right: 22px; bottom: 22px; width: 56px; height: 56px; background: #25d366; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); z-index: 90; transition: .2s; }
.wa-float:hover { transform: scale(1.08); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .product-detail, .contact-grid { grid-template-columns: 1fr; }
    .main-nav { position: fixed; top: 0; right: -290px; width: 280px; height: 100vh; background: #fff; flex-direction: column; align-items: flex-start; padding: 80px 26px; gap: 18px; box-shadow: -10px 0 40px rgba(0, 0, 0, .12); transition: right .25s; z-index: 70; }
    .main-nav.open { right: 0; }
    .nav-toggle { display: block; position: relative; z-index: 80; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}
@media (max-width: 620px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 54px 0; }
    .hero { min-height: 480px; }
    .topbar-in { justify-content: center; }
}