/* ============================================================
   GÖKSER VISION — Koyu / High-Tech Tema
   ============================================================ */
:root {
    --bg: #060a13;
    --bg-2: #0a1120;
    --panel: #0e1728;
    --panel-2: #131f36;
    --line: rgba(148, 190, 255, .12);
    --line-2: rgba(148, 190, 255, .22);
    --text: #dbe6f5;
    --muted: #8ba0bd;
    --brand: #ed1c24;       /* GSV marka kırmızısı */
    --brand-dim: rgba(237, 28, 36, .10);
    --accent: #27e0b1;      /* lazer yeşili */
    --accent-2: #38bdf8;    /* optik mavi  */
    --accent-dim: rgba(39, 224, 177, .12);
    --danger: #f87171;
    --radius: 14px;
    --font-h: 'Space Grotesk', system-ui, sans-serif;
    --font-b: 'Inter', system-ui, sans-serif;
    --shadow: 0 18px 50px rgba(2, 6, 16, .55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-b);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #5ff0cb; }
h1, h2, h3, h4 { font-family: var(--font-h); line-height: 1.2; color: #f2f7ff; }
.container { width: min(1200px, 92%); margin-inline: auto; }
.container-wide { width: min(1400px, 94%); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; background: var(--accent); color: #04241b; padding: 8px 14px; border-radius: 8px; z-index: 999; }

/* ---------- ince üst bilgi çubuğu ---------- */
.topbar { background: #040810; border-top: 3px solid var(--brand); border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.topbar-in { display: flex; gap: 22px; padding: 7px 0; align-items: center; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item a { color: var(--muted); }
.topbar-item a:hover { color: var(--accent); }
.topbar-item:last-child { margin-left: auto; }
.lang-switch a { font-weight: 600; letter-spacing: .5px; }
.lang-switch a.on { color: var(--accent); }
.lang-switch .sep { opacity: .4; margin: 0 2px; }

/* ---------- header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(6, 10, 19, .78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, .45); }
.header-in { display: flex; align-items: center; gap: 30px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { display: grid; place-items: center; flex: none; }
.brand-logo { width: auto; height: 44px; max-width: none; flex: none; filter: drop-shadow(0 0 12px rgba(237, 28, 36, .35)); }
.footer-logo { width: auto; height: 60px; margin-bottom: 12px; display: block; }
.brand-text { min-width: 0; font-family: var(--font-h); font-size: 21px; font-weight: 700; color: #fff; letter-spacing: .5px; line-height: 1.05; display: flex; flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 0 4px; }
.brand-text b { color: var(--accent); font-weight: 700; }
.brand-text small { flex-basis: 100%; font-family: var(--font-b); font-weight: 500; font-size: 10px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--muted); }
.brand-text.big { font-size: 26px; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav > a, .nav-drop > button {
    font: 500 14.5px var(--font-b); color: var(--text);
    padding: 9px 14px; border-radius: 9px; background: none; border: 0; cursor: pointer;
    display: inline-flex; align-items: center; gap: 5px; transition: .2s;
    white-space: nowrap;
}
.main-nav > a:hover, .nav-drop > button:hover { color: var(--accent); background: var(--accent-dim); }
.main-nav > a.on { color: var(--accent); }
.nav-drop { position: relative; }
.nav-drop.on > button { color: var(--accent); }
.drop-menu {
    position: absolute; top: calc(100% + 10px); left: 0; min-width: 230px;
    background: var(--panel); border: 1px solid var(--line-2); border-radius: 12px;
    padding: 8px; display: none; box-shadow: var(--shadow);
}
.drop-menu a { display: block; padding: 10px 14px; color: var(--text); font-size: 14px; border-radius: 8px; }
.drop-menu a:hover { background: var(--accent-dim); color: var(--accent); }
.nav-drop:hover .drop-menu, .nav-drop:focus-within .drop-menu { display: block; }
.main-nav > a.nav-cta {
    margin-left: 10px; background: var(--accent); color: #04241b;
    font-weight: 600; box-shadow: 0 0 22px rgba(39, 224, 177, .35);
}
.main-nav > a.nav-cta:hover { background: #5ff0cb; color: #04241b; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }

/* ---------- hero ---------- */
.hero {
    position: relative; overflow: hidden;
    padding: 110px 0 90px;
    background:
        radial-gradient(900px 480px at 78% -10%, rgba(56, 189, 248, .14), transparent 60%),
        radial-gradient(700px 420px at 12% 110%, rgba(39, 224, 177, .10), transparent 60%),
        var(--bg);
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(148, 190, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 190, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
}
.hero::after { /* tarama çizgisi */
    content: ""; position: absolute; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, rgba(237, 28, 36, .55), transparent);
    animation: scan 7s linear infinite; opacity: .5;
}
@keyframes scan { 0% { top: 0; } 100% { top: 100%; } }
.hero-in { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-kicker {
    display: inline-flex; align-items: center; gap: 9px;
    font: 600 12.5px var(--font-b); letter-spacing: 2.4px; text-transform: uppercase;
    color: var(--accent); background: var(--accent-dim);
    border: 1px solid rgba(39, 224, 177, .3); border-radius: 100px; padding: 7px 16px; margin-bottom: 24px;
}
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 8px rgba(237, 28, 36, .6); animation: pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); font-weight: 700; letter-spacing: -.5px; margin-bottom: 22px; }
.hero h1 .grad {
    background: linear-gradient(92deg, var(--accent) 10%, var(--accent-2) 90%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 9px;
    font: 600 15px var(--font-b); border-radius: 11px; padding: 14px 26px;
    cursor: pointer; transition: .22s; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #04241b; box-shadow: 0 0 26px rgba(39, 224, 177, .35); }
.btn-primary:hover { background: #5ff0cb; color: #04241b; transform: translateY(-2px); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: rgba(255, 255, 255, .02); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-cam {
    position: relative; color: #fff; background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
        linear-gradient(100deg, var(--brand), var(--accent)) border-box;
    border: 1.5px solid transparent;
}
.btn-cam svg { color: var(--brand); }
.btn-cam:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(237, 28, 36, .25); color: #fff; }
.cam-pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 8px rgba(237, 28, 36, .7); animation: pulse 1.8s infinite; }

.hero-visual { position: relative; }
.hero-frame {
    position: relative; border: 1px solid var(--line-2); border-radius: var(--radius);
    background: linear-gradient(160deg, var(--panel), var(--bg-2));
    padding: 26px; box-shadow: var(--shadow);
}
.hero-frame .vf { position: absolute; width: 26px; height: 26px; border: 2.5px solid var(--brand); opacity: .9; }
.vf.tl { top: -2px; left: -2px; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.vf.tr { top: -2px; right: -2px; border-left: 0; border-bottom: 0; border-radius: 0 6px 0 0; }
.vf.bl { bottom: -2px; left: -2px; border-right: 0; border-top: 0; border-radius: 0 0 0 6px; }
.vf.br { bottom: -2px; right: -2px; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat {
    background: rgba(255, 255, 255, .025); border: 1px solid var(--line);
    border-radius: 12px; padding: 20px 18px;
}
.stat b { display: block; font: 700 30px var(--font-h); color: var(--accent); }
.stat span { font-size: 13px; color: var(--muted); letter-spacing: .3px; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--muted); display: flex; gap: 9px; align-items: flex-start; }
.hero-note svg { flex: none; margin-top: 2px; color: var(--accent); }

/* ---------- marka şeridi ---------- */
.brands { border-block: 1px solid var(--line); background: var(--bg-2); padding: 26px 0; overflow: hidden; }
.brands-label { text-align: center; font: 600 11.5px var(--font-b); letter-spacing: 2.6px; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.marquee { display: flex; gap: 70px; width: max-content; animation: marquee 32s linear infinite; }
.brands:hover .marquee { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee span { font: 600 21px var(--font-h); color: #5c7292; white-space: nowrap; letter-spacing: 1px; transition: .25s; }
.marquee span:hover { color: var(--accent); }

/* ---------- section genel ---------- */
.section { padding: 92px 0; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-kicker { font: 600 12px var(--font-b); letter-spacing: 2.6px; text-transform: uppercase; color: var(--brand); display: block; margin-bottom: 12px; }
.sec-kicker::before { content: ""; display: inline-block; width: 18px; height: 2px; background: var(--brand); vertical-align: middle; margin-right: 8px; }
.sec-head.center .sec-kicker::after { content: ""; display: inline-block; width: 18px; height: 2px; background: var(--brand); vertical-align: middle; margin-left: 8px; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 16.5px; }

/* ---------- kartlar ---------- */
.grid { display: grid; gap: 22px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: linear-gradient(165deg, var(--panel), rgba(14, 23, 40, .55));
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px; position: relative; overflow: hidden; transition: .28s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(39, 224, 177, .4); box-shadow: var(--shadow); }
.card::after {
    content: ""; position: absolute; inset: 0 0 auto;
    height: 2px; background: linear-gradient(90deg, var(--brand), var(--accent));
    transform: scaleX(0); transform-origin: left; transition: .35s;
}
.card:hover::after { transform: scaleX(1); }
.card .icon {
    width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
    background: var(--accent-dim); border: 1px solid rgba(39, 224, 177, .28);
    color: var(--accent); margin-bottom: 20px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font: 600 13.5px var(--font-b); }
.card.link-card { display: block; color: var(--text); }

.num-card .num { font: 700 15px var(--font-h); color: var(--brand); letter-spacing: 1px; display: block; margin-bottom: 10px; }

/* ---------- ürün kartı ---------- */
.p-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.p-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; color: var(--text); display: flex; flex-direction: column; transition: .28s; position: relative;
}
.p-card:hover { transform: translateY(-5px); border-color: rgba(39, 224, 177, .45); box-shadow: var(--shadow); color: var(--text); }
.p-media { position: relative; aspect-ratio: 4/3; background: #fff; display: grid; place-items: center; overflow: hidden; }
.p-media img { width: 100%; height: 100%; object-fit: contain; padding: 14px; transition: transform .35s; }
.p-card:hover .p-media img { transform: scale(1.05); }
.p-media .ph { font: 700 34px var(--font-h); color: #c3cede; letter-spacing: 3px; }
.corner { position: absolute; width: 16px; height: 16px; border: 2px solid var(--brand); opacity: 0; transition: .25s; }
.corner.tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.corner.br { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.p-card:hover .corner { opacity: 1; }
.p-body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.p-cat { font: 600 11px var(--font-b); letter-spacing: 1.6px; text-transform: uppercase; color: var(--accent-2); }
.p-body h3 { font-size: 15.5px; font-weight: 600; line-height: 1.4; flex: 1; }
.p-price { font: 700 16px var(--font-h); color: var(--accent); }
.p-quote { font: 600 12.5px var(--font-b); color: var(--muted); letter-spacing: .4px; }

/* ---------- katalog düzeni ---------- */
.catalog { display: grid; grid-template-columns: 250px 1fr; gap: 34px; align-items: start; }
.filter-panel { position: sticky; top: 96px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.filter-panel h3 { font-size: 15px; letter-spacing: 1.4px; text-transform: uppercase; margin-bottom: 14px; color: var(--muted); }
.filter-panel ul { list-style: none; }
.filter-panel li a { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: 8px; color: var(--text); font-size: 14px; }
.filter-panel li a:hover { background: var(--accent-dim); color: var(--accent); }
.filter-panel li a.on { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.filter-panel li a .cnt { color: var(--muted); font-size: 12px; }
.filter-panel li.sub a { padding-left: 24px; font-size: 13.4px; }
.search-bar { display: flex; gap: 10px; margin-bottom: 26px; flex-wrap: wrap; align-items: center; }
.search-bar form { display: flex; flex: 1; min-width: 240px; }
.search-bar input {
    flex: 1; background: var(--panel); border: 1px solid var(--line-2); border-right: 0;
    border-radius: 10px 0 0 10px; padding: 12px 16px; color: var(--text); font: 14.5px var(--font-b); outline: none;
}
.search-bar input:focus { border-color: var(--accent); }
.search-bar button { border: 0; background: var(--accent); color: #04241b; font-weight: 700; padding: 0 20px; border-radius: 0 10px 10px 0; cursor: pointer; }
.result-info { color: var(--muted); font-size: 14px; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
.pagination a, .pagination span {
    min-width: 40px; height: 40px; display: grid; place-items: center; padding: 0 8px;
    border: 1px solid var(--line-2); border-radius: 10px; color: var(--text); font: 600 14px var(--font-b);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .cur { background: var(--accent); color: #04241b; border-color: var(--accent); }
.pagination .gap { border: 0; }

/* ---------- ürün detay ---------- */
.breadcrumb { font-size: 13.5px; color: var(--muted); margin-bottom: 30px; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.pd-gallery { position: sticky; top: 100px; }
.pd-main {
    background: #fff; border-radius: var(--radius); aspect-ratio: 1; display: grid; place-items: center;
    overflow: hidden; border: 1px solid var(--line-2); position: relative;
}
.pd-main img { width: 100%; height: 100%; object-fit: contain; padding: 26px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-thumbs button {
    width: 76px; height: 76px; border-radius: 10px; background: #fff; border: 2px solid var(--line-2);
    cursor: pointer; overflow: hidden; padding: 4px; transition: .2s;
}
.pd-thumbs button.on, .pd-thumbs button:hover { border-color: var(--accent); }
.pd-thumbs img { width: 100%; height: 100%; object-fit: contain; }
.pd-info h1 { font-size: clamp(24px, 3vw, 34px); margin: 10px 0 18px; }
.pd-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.pd-cats a {
    font: 600 11.5px var(--font-b); letter-spacing: 1.4px; text-transform: uppercase;
    color: var(--accent-2); background: rgba(56, 189, 248, .1); border: 1px solid rgba(56, 189, 248, .3);
    padding: 5px 12px; border-radius: 100px;
}
.pd-price { font: 700 30px var(--font-h); color: var(--accent); margin: 6px 0 4px; }
.pd-quote-note { color: var(--muted); font-size: 14.5px; }
.pd-desc { margin: 26px 0; color: var(--muted); font-size: 15.5px; }
.pd-desc p { margin-bottom: 12px; }
.pd-actions { display: flex; gap: 13px; flex-wrap: wrap; margin: 30px 0; }
.pd-meta { border-top: 1px solid var(--line); padding-top: 20px; font-size: 13.5px; color: var(--muted); display: grid; gap: 6px; }
.pd-meta b { color: var(--text); font-weight: 600; }

/* ---------- kamera seçici ---------- */
.selector-tool { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.sel-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 2px 4px 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.stb-lead { display: flex; align-items: center; gap: 13px; }
.stb-lead svg { color: var(--brand); flex: none; }
.stb-lead b { display: block; font: 700 18px var(--font-h); color: #f2f7ff; }
.stb-lead small { color: var(--muted); font-size: 13px; }
.stb-count { flex: none; font-size: 13.5px; color: var(--muted); background: var(--panel); border: 1px solid var(--line-2); border-radius: 100px; padding: 8px 17px; white-space: nowrap; }
.stb-count b { color: var(--accent); font-size: 17px; margin-right: 4px; }
.selector-layout { display: grid; grid-template-columns: 280px 1fr; gap: 26px; align-items: start; }
.sel-results { min-width: 0; }
.fside { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 0; position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; }
.fside-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.fside-head b { color: var(--accent); font-size: 17px; }
.fside-head span { color: var(--muted); font-size: 13.5px; }
.fside-head button { background: none; border: 1px solid var(--line-2); border-radius: 8px; color: var(--text); font: 600 12.5px var(--font-b); padding: 6px 13px; cursor: pointer; }
.fside-head button:hover { border-color: var(--brand); color: var(--brand); }
.fgroup { border-bottom: 1px solid var(--line); }
.fgroup:last-child { border-bottom: 0; }
.fgroup summary {
    list-style: none; cursor: pointer; padding: 13px 18px;
    font: 600 13.5px var(--font-b); color: #f2f7ff; display: flex; justify-content: space-between; align-items: center;
}
.fgroup summary::-webkit-details-marker { display: none; }
.fgroup summary::after { content: "▾"; color: var(--muted); font-size: 11px; transition: .2s; }
.fgroup:not([open]) summary::after { transform: rotate(-90deg); }
.fgroup summary:hover { color: var(--accent); }
.fbody { padding: 2px 18px 16px; }
.fchk { display: flex; align-items: center; gap: 9px; padding: 6px 0; cursor: pointer; font-size: 14px; color: var(--text); }
.fchk input { accent-color: var(--accent); width: 15px; height: 15px; flex: none; cursor: pointer; }
.fchk span { flex: 1; }
.fchk small { color: var(--muted); font-size: 12px; }
.fchk:hover span { color: var(--accent); }

.dual-range { position: relative; height: 26px; margin: 8px 2px 4px; }
.dr-track { position: absolute; top: 11px; left: 0; right: 0; height: 4px; background: var(--bg-2); border-radius: 2px; }
.dr-fill { position: absolute; top: 0; bottom: 0; background: linear-gradient(90deg, var(--brand), var(--accent)); border-radius: 2px; }
.dual-range input[type=range] {
    position: absolute; top: 0; left: 0; width: 100%; height: 26px; margin: 0;
    -webkit-appearance: none; appearance: none; background: none; pointer-events: none;
}
.dual-range input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; pointer-events: auto;
    width: 16px; height: 16px; border-radius: 50%; background: var(--accent);
    border: 2px solid #04241b; cursor: grab; margin-top: 0;
}
.dual-range input[type=range]::-moz-range-thumb {
    pointer-events: auto; width: 14px; height: 14px; border-radius: 50%;
    background: var(--accent); border: 2px solid #04241b; cursor: grab;
}
.dr-inputs { display: flex; gap: 10px; }
.dr-inputs label { display: flex; align-items: center; gap: 6px; font: 500 12px var(--font-b); color: var(--muted); margin: 0; }
.dr-inputs input { width: 64px; padding: 6px 8px; font-size: 13px; }

.sel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cam-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; display: flex; flex-direction: column; transition: .25s;
}
.cam-card:hover { transform: translateY(-4px); border-color: rgba(39, 224, 177, .45); box-shadow: var(--shadow); }
.cc-media { aspect-ratio: 16/10; background: #fff; display: grid; place-items: center; overflow: hidden; }
.cc-media img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.cc-media .ph { font: 700 30px var(--font-h); color: #c3cede; }
.cc-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.cc-body h3 { font-size: 15px; line-height: 1.35; margin: 5px 0 12px; }
.cc-body h3 a { color: #f2f7ff; }
.cc-body h3 a:hover { color: var(--accent); }
.cc-specs { flex: 1; }
.cc-specs > div { display: flex; justify-content: space-between; gap: 10px; padding: 5.5px 0; border-bottom: 1px dashed var(--line); }
.cc-specs > div:last-child { border-bottom: 0; }
.cc-specs dt { font: 600 10.5px var(--font-b); letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.cc-specs dd { font: 600 12.5px var(--font-b); color: var(--text); text-align: right; }
.cc-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.cc-btn { padding: 8px 16px; font-size: 13px; border-radius: 9px; }
.cc-foot .p-price { font-size: 15px; }

@media (max-width: 920px) {
    .selector-layout { grid-template-columns: 1fr; }
    .fside { position: static; max-height: none; }
    .sel-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 780px) { .sel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .sel-grid { grid-template-columns: 1fr; } }

.cam-selector-cta {
    display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
    background: linear-gradient(120deg, var(--brand-dim), var(--accent-dim));
    border: 1px solid rgba(237, 28, 36, .3); border-radius: var(--radius);
    padding: 16px 18px; color: var(--text); transition: .22s;
}
.cam-selector-cta:hover { border-color: var(--brand); transform: translateY(-2px); color: var(--text); }
.cam-selector-cta svg { color: var(--brand); flex: none; }
.cam-selector-cta b { display: block; font: 700 15px var(--font-h); color: #f2f7ff; }
.cam-selector-cta small { color: var(--muted); font-size: 12px; }

.selector-panel {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px 28px 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px 30px;
}
.sel-group h4 { font: 600 12px var(--font-b); letter-spacing: 1.8px; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
.sel-group h4::before { content: ""; display: inline-block; width: 12px; height: 2px; background: var(--brand); vertical-align: middle; margin-right: 7px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button {
    font: 500 13px var(--font-b); color: var(--text); background: var(--bg-2);
    border: 1px solid var(--line-2); border-radius: 100px; padding: 7px 14px; cursor: pointer; transition: .18s;
}
.chips button small { color: var(--muted); font-size: 11px; margin-left: 3px; }
.chips button:hover { border-color: var(--accent); color: var(--accent); }
.chips button.on { background: var(--accent); border-color: var(--accent); color: #04241b; font-weight: 700; }
.chips button.on small { color: rgba(4, 36, 27, .7); }
.sel-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line); padding-top: 16px; flex-wrap: wrap; }
.sel-foot .result-info b { color: var(--accent); font-size: 17px; }
.sel-specs { font: 600 12px var(--font-b); color: var(--accent-2); letter-spacing: .3px; }
@media (max-width: 920px) { .selector-panel { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .selector-panel { grid-template-columns: 1fr; } }

/* ---------- teknik özellikler ---------- */
.spec-panel {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px; overflow-x: auto;
}
.spec-plain { color: var(--muted); font-size: 15px; line-height: 1.8; }
.spec-html { color: var(--text); font-size: 14.5px; }
.spec-html p { margin-bottom: 12px; color: var(--muted); }
.spec-html img { background: #fff; border-radius: 10px; padding: 8px; margin: 8px 0; }
.spec-html table {
    width: 100%; border-collapse: collapse; margin: 14px 0 26px;
    font-size: 14px; min-width: 480px;
}
.spec-html td, .spec-html th {
    padding: 10px 14px; border: 1px solid var(--line);
    vertical-align: top; text-align: left;
}
.spec-html tr:nth-child(even) td { background: rgba(148, 190, 255, .035); }
.spec-html tr.spec_group td, .spec-html thead th {
    background: var(--brand-dim); color: #ff8a8e; font-weight: 700;
    letter-spacing: .8px; text-transform: uppercase; font-size: 12.5px;
    border-color: rgba(237, 28, 36, .25);
}
.spec-html td.celKey, .spec-html td:first-child { color: var(--muted); }
.spec-html td:last-child { color: var(--text); font-weight: 500; }
.spec-html a { border-bottom: 1px dashed rgba(39, 224, 177, .5); }
.spec-html h1, .spec-html h2, .spec-html h3 { margin: 22px 0 10px; font-size: 19px; }
.spec-html ul, .spec-html ol { margin: 0 0 14px 20px; color: var(--muted); }

/* ---------- içerik sayfaları ---------- */
.page-hero {
    padding: 70px 0 56px; text-align: center; position: relative; overflow: hidden;
    background:
        radial-gradient(700px 320px at 50% -40%, rgba(56, 189, 248, .13), transparent 70%),
        var(--bg-2);
    border-bottom: 1px solid var(--line);
}
.page-hero::before {
    content: ""; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(148, 190, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 190, 255, .045) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, #000 20%, transparent 80%);
}
.page-hero h1 { position: relative; font-size: clamp(28px, 4vw, 44px); margin-bottom: 12px; }
.page-hero h1::after { content: ""; display: block; width: 44px; height: 3px; background: var(--brand); margin: 14px auto 0; border-radius: 2px; }
.page-hero p { position: relative; color: var(--muted); max-width: 640px; margin-inline: auto; font-size: 16.5px; }

.prose { max-width: 860px; margin-inline: auto; font-size: 16.5px; color: var(--text); }
.prose p { margin-bottom: 18px; color: var(--muted); }
.prose h2, .prose h3 { margin: 34px 0 14px; }
.prose img { border-radius: 12px; background: #fff; padding: 8px; margin: 10px 0; }
.prose ul, .prose ol { margin: 0 0 18px 22px; color: var(--muted); }
.prose a { border-bottom: 1px dashed rgba(39, 224, 177, .5); }
.prose iframe { max-width: 100%; border-radius: 12px; }

.value-card b { display: block; font: 600 17px var(--font-h); color: var(--accent); margin-bottom: 6px; }
.value-card i { display: block; font-style: italic; color: var(--text); font-size: 14px; margin-bottom: 10px; }

/* logo duvarı */
.logo-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.logo-wall .logo-tile {
    background: #fff; border-radius: 12px; display: grid; place-items: center;
    padding: 22px; min-height: 120px; transition: .25s; border: 1px solid var(--line);
}
.logo-wall .logo-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.logo-wall img { max-height: 72px; object-fit: contain; filter: saturate(.9); }

/* uygulama / arge satırları */
.feature-row {
    display: grid; grid-template-columns: 300px 1fr; gap: 34px; align-items: center;
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px; margin-bottom: 26px; transition: .25s;
}
.feature-row:hover { border-color: rgba(39, 224, 177, .4); }
.feature-row .fr-media { background: #fff; border-radius: 12px; display: grid; place-items: center; padding: 14px; min-height: 190px; }
.feature-row .fr-media img { max-height: 210px; object-fit: contain; }
.feature-row h3 { font-size: 21px; margin-bottom: 12px; }
.feature-row p { color: var(--muted); font-size: 15px; margin-bottom: 8px; }
.feature-row .tagz { margin: 10px 0 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag-chip {
    font: 600 11px var(--font-b); letter-spacing: 1.2px; text-transform: uppercase;
    background: var(--brand-dim); color: #ff6b70; border: 1px solid rgba(237, 28, 36, .35);
    border-radius: 100px; padding: 4px 11px;
}

/* ---------- iletişim ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.contact-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; margin-bottom: 20px; }
.contact-card h3 { display: flex; align-items: center; gap: 10px; font-size: 17px; margin-bottom: 10px; color: var(--accent); }
.contact-card p { color: var(--muted); font-size: 15px; }
.contact-card a { font-weight: 600; }
.form-panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.form-panel h2 { font-size: 24px; margin-bottom: 8px; }
.form-panel > p { color: var(--muted); margin-bottom: 26px; font-size: 14.5px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font: 600 13px var(--font-b); letter-spacing: .4px; margin-bottom: 7px; color: var(--text); }
input[type=text], input[type=email], input[type=tel], select, textarea {
    width: 100%; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 10px;
    padding: 13px 15px; color: var(--text); font: 14.5px var(--font-b); outline: none; transition: .2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(39, 224, 177, .12); }
textarea { resize: vertical; min-height: 140px; }
.form-msg { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-size: 14.5px; }
.form-msg.ok { background: rgba(39, 224, 177, .1); border: 1px solid rgba(39, 224, 177, .4); color: var(--accent); }
.form-msg.err { background: rgba(248, 113, 113, .08); border: 1px solid rgba(248, 113, 113, .35); color: var(--danger); }
.hp-field { position: absolute; left: -9999px; opacity: 0; }

/* ---------- Modal (Teklif İste) ---------- */
/* Kaydırma kapsayıcıda (mobilde klavye açılınca alanlara ulaşılabilsin) */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; padding: 20px; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.modal[hidden] { display: none; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(6, 12, 22, .62); backdrop-filter: blur(3px); animation: modalFade .18s ease; }
.modal-dialog {
    position: relative; z-index: 1; width: 100%; max-width: 560px; margin: auto;
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 34px; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); animation: modalPop .2s ease;
}
@media (max-width: 560px) {
    .modal { padding: 12px; }
    .modal-dialog { padding: 24px 20px; }
    .modal-dialog .form-grid { grid-template-columns: 1fr; }
}

/* ---------- Lens (FOV) hesaplayıcı ---------- */
.lc-note { font-size: 12.5px; color: var(--muted); margin: 10px 0 2px; line-height: 1.5; }
.lc-tabs { display: flex; gap: 8px; margin: 20px 0 4px; }
.lc-tabs button {
    flex: 1; padding: 11px 10px; border: 1px solid var(--line-2); background: var(--bg-2);
    color: var(--muted); border-radius: 10px; font: 600 14px var(--font-b); cursor: pointer; transition: .2s;
}
.lc-tabs button:hover { color: var(--text); }
.lc-tabs button.on { background: var(--accent); color: #052018; border-color: var(--accent); }
.lc-pane { margin-top: 16px; }
.lc-results { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.lc-stat { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.lc-stat.hl { border-color: var(--accent); background: var(--accent-dim); }
.lc-stat span { display: block; font: 600 10.5px var(--font-b); letter-spacing: .5px; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.lc-stat b { font: 700 19px var(--font-h); color: var(--text); }
.lc-stat.hl b { color: var(--accent); }
.lc-extra { grid-column: 1 / -1; font-size: 13.5px; color: var(--muted); text-align: center; padding: 6px 4px 0; }
.modal-dialog h2 { font-size: 23px; margin-bottom: 6px; }
.modal-sub { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }
.modal-sub strong { color: var(--text); }
.modal-x {
    position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 10px; color: var(--muted); cursor: pointer; transition: .2s;
}
.modal-x:hover { color: var(--text); border-color: var(--accent); }
@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalPop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- CTA bandı ---------- */
.cta-band {
    position: relative; overflow: hidden; text-align: center;
    background: linear-gradient(120deg, rgba(39, 224, 177, .1), rgba(56, 189, 248, .09));
    border-block: 1px solid var(--line-2); padding: 78px 0;
}
.cta-band::before {
    content: ""; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(148, 190, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 190, 255, .05) 1px, transparent 1px);
    background-size: 38px 38px;
}
.cta-band h2 { position: relative; font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 14px; }
.cta-band p { position: relative; color: var(--muted); max-width: 560px; margin: 0 auto 30px; }
.cta-band .btn { position: relative; }

/* ---------- footer ---------- */
.site-footer { background: #040810; border-top: 1px solid var(--line); padding: 70px 0 30px; position: relative; }
.site-footer::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--brand), transparent 40%); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 46px; }
.footer-col h4 { font-size: 14px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--text); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: 14px; padding: 4.5px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-brand p { color: var(--muted); font-size: 14px; margin: 14px 0 18px; max-width: 300px; }
.footer-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge-line {
    font: 600 11px var(--font-b); letter-spacing: 1px; text-transform: uppercase;
    border: 1px solid var(--line-2); color: var(--muted); border-radius: 100px; padding: 5px 12px;
}
.footer-contact { color: var(--muted); font-size: 13.5px; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; text-align: center; color: var(--muted); font-size: 12.5px; }
.footer-bottom span { opacity: .6; font-size: 11.5px; }

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.vis { opacity: 1; transform: none; }
/* JS yüklenemezse içerik asla gizli kalmasın */
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero::after, .marquee { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
    .p-grid { grid-template-columns: repeat(3, 1fr); }
    .grid.c4 { grid-template-columns: repeat(2, 1fr); }
    .logo-wall { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
    .hero-in, .product-detail, .contact-grid, .catalog { grid-template-columns: 1fr; }
    .hero { padding: 70px 0 60px; }
    .grid.c3 { grid-template-columns: repeat(2, 1fr); }
    .feature-row { grid-template-columns: 1fr; }
    .pd-gallery, .filter-panel { position: static; }
    .nav-toggle { display: block; }
    .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(4, 8, 16, .98); }
    .main-nav {
        position: fixed; top: 0; right: 0; bottom: 0; left: auto;
        height: 100vh; height: 100dvh; width: min(320px, 84vw); z-index: 200;
        background: #0e1728; border-left: 1px solid var(--line-2);
        flex-direction: column; align-items: stretch; gap: 4px; padding: 90px 22px 30px;
        transform: translateX(100%); transition: .32s; overflow-y: auto;
    }
    .main-nav.open { transform: none; box-shadow: -30px 0 60px rgba(0,0,0,.5); }
    .main-nav > a, .nav-drop > button { padding: 13px 16px; font-size: 16px; width: 100%; text-align: left; }
    .drop-menu { position: static; display: block; box-shadow: none; border: 0; background: none; padding: 0 0 0 12px; }
    .main-nav > a.nav-cta { margin: 14px 0 0; justify-content: center; }
    .nav-toggle { position: relative; z-index: 300; }
    body.nav-open { overflow: hidden; }
    body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
    body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 620px) {
    .brand-logo { height: 36px; }
    .brand-text { font-size: 17px; }
    .brand-text small { font-size: 8.5px; letter-spacing: 1.1px; }
    .header-in { gap: 14px; }
    .p-grid, .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
    .p-grid { grid-template-columns: repeat(2, 1fr); }
    .logo-wall { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .hide-sm { display: none; }
    .section { padding: 60px 0; }
    .topbar-item:nth-child(2) { margin-left: auto; }
    .lang-switch { margin-left: 10px; }
}

/* ---------- iletişim / chat launcher ---------- */
.chat-widget { position: fixed; right: 22px; bottom: 22px; z-index: 400; display: flex; flex-direction: column; align-items: flex-end; gap: 14px; pointer-events: none; }
.chat-fab {
    pointer-events: auto;
    width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
    background: var(--brand); color: #fff; box-shadow: 0 12px 30px rgba(237, 28, 36, .4), 0 4px 10px rgba(2, 6, 16, .5);
    display: grid; place-items: center; position: relative; transition: transform .18s ease, box-shadow .18s ease;
}
.chat-fab:hover { transform: translateY(-2px) scale(1.04); }
.chat-fab:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.chat-fab::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(237, 28, 36, .5); animation: chatPulse 2.4s ease-out infinite; }
@keyframes chatPulse { 0% { box-shadow: 0 0 0 0 rgba(237, 28, 36, .45); } 70%, 100% { box-shadow: 0 0 0 16px rgba(237, 28, 36, 0); } }
.chat-fab-ic { transition: opacity .18s ease, transform .18s ease; }
.chat-fab .ic-close { position: absolute; opacity: 0; transform: rotate(-90deg) scale(.6); }
.chat-widget.open .chat-fab { background: var(--panel-2); box-shadow: var(--shadow); }
.chat-widget.open .chat-fab::after { animation: none; }
.chat-widget.open .ic-open { opacity: 0; transform: rotate(90deg) scale(.6); }
.chat-widget.open .ic-close { opacity: 1; transform: none; }

.chat-panel {
    width: 316px; max-width: calc(100vw - 44px); background: var(--panel); border: 1px solid var(--line-2);
    border-radius: 16px; box-shadow: var(--shadow); overflow: hidden;
    transform-origin: bottom right; transform: translateY(12px) scale(.94); opacity: 0; pointer-events: none;
    transition: transform .22s cubic-bezier(.2, .8, .3, 1), opacity .2s ease;
}
.chat-widget.open .chat-panel { transform: none; opacity: 1; pointer-events: auto; }
.chat-panel-head { padding: 16px 18px; background: linear-gradient(135deg, var(--brand), #b3151b); color: #fff; }
.chat-panel-title { display: block; font-family: var(--font-h); font-weight: 700; font-size: 16px; }
.chat-panel-sub { display: block; font-size: 12px; opacity: .85; margin-top: 2px; }
.chat-panel-body { padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.chat-opt { display: flex; align-items: center; gap: 13px; padding: 11px 12px; border-radius: 11px; background: var(--panel-2); border: 1px solid var(--line); transition: border-color .16s ease, transform .16s ease, background .16s ease; }
.chat-opt:hover { transform: translateX(2px); border-color: var(--line-2); background: #16233d; }
.chat-opt-ic { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: #fff; }
.chat-opt.wa .chat-opt-ic { background: #25d366; }
.chat-opt.tel .chat-opt-ic { background: var(--accent-2); }
.chat-opt.mail .chat-opt-ic { background: var(--accent); }
.chat-opt-tx { display: flex; flex-direction: column; min-width: 0; }
.chat-opt-tx b { color: var(--text); font-size: 14px; font-weight: 600; }
.chat-opt-tx small { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 620px) {
    .chat-widget { right: 16px; bottom: 16px; }
    .chat-fab { width: 54px; height: 54px; }
}
@media (prefers-reduced-motion: reduce) {
    .chat-fab::after { animation: none; }
    .chat-panel { transition: opacity .2s ease; }
}