/* =========================================================================
   Master Cutting Tools — stil dosyası
   ========================================================================= */
:root {
  --ink: #0e1116;
  --ink-2: #1b212b;
  --ink-3: #2a323e;
  --muted: #5d6776;
  --line: #e3e7ee;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --red: #d7261e;
  --red-dark: #b01a13;
  --blue: #2f7fe0;
  --blue-soft: #e9f3ff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(14, 17, 22, .04), 0 8px 28px rgba(14, 17, 22, .07);
  --shadow-lg: 0 2px 6px rgba(14, 17, 22, .06), 0 22px 50px rgba(14, 17, 22, .13);
  --max: 1240px;
  --font: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-head: 'Barlow Semi Condensed', 'Barlow', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Üst bar ---------- */
.topbar { background: var(--ink); color: #c4cad4; font-size: 14px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; }
.topbar a:hover { color: #fff; }
.topbar .tb-left, .topbar .tb-right { display: flex; gap: 22px; align-items: center; }
.topbar svg { width: 15px; height: 15px; vertical-align: -2px; margin-right: 6px; color: var(--red); }

/* ---------- Header ---------- */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 84px; gap: 24px; }
.logo img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav > a, .nav .dd > button { padding: 10px 14px; border-radius: 8px; font-weight: 600; font-size: 15.5px; color: var(--ink-2); background: none; border: 0; display: inline-flex; align-items: center; gap: 6px; text-transform: uppercase; letter-spacing: .04em; }
.nav > a:hover, .nav .dd > button:hover, .nav a.active { color: var(--red); }
.nav .dd { position: relative; }
.nav .dd > button svg { width: 12px; height: 12px; transition: transform .2s; }
.nav .dd:hover > button svg, .nav .dd.open > button svg { transform: rotate(180deg); }
.mega { position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px); width: 640px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; opacity: 0; visibility: hidden; transition: .18s; }
.mega::before { content: ''; position: absolute; inset: -14px 0 auto; height: 14px; }
.nav .dd:hover .mega, .nav .dd.open .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega a { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.mega a span { display: block; font-weight: 400; font-size: 13px; color: var(--muted); line-height: 1.3; }
.mega a:hover { background: var(--bg-soft); color: var(--red); }
.mega a i { flex: 0 0 8px; height: 8px; border-radius: 2px; background: var(--red); transform: rotate(45deg); }
.mega .all { grid-column: 1 / -1; justify-content: center; border-top: 1px solid var(--line); border-radius: 0 0 10px 10px; margin-top: 6px; color: var(--red); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 10px; font-weight: 700; font-size: 15px; letter-spacing: .03em; text-transform: uppercase; border: 2px solid transparent; transition: .18s; white-space: nowrap; }
.btn svg { width: 18px; height: 18px; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(215, 38, 30, .28); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-3); }
.btn-ghost { border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.btn-line { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--ink); }
.btn-wa { background: #1fa855; color: #fff; }
.btn-wa:hover { background: #178a45; }
.btn-sm { padding: 9px 16px; font-size: 13px; }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; align-items: center; justify-content: center; }
.burger svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero { position: relative; background: radial-gradient(1200px 600px at 75% 40%, #1a2a44 0%, rgba(14, 17, 22, 0) 60%), var(--ink); color: #fff; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 170, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 170, 255, .07) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, transparent 75%); }
.hero > .container { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 40px; min-height: 640px; padding-top: 40px; padding-bottom: 40px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--red); margin-bottom: 18px; }
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; }
.hero h1 { font-size: clamp(38px, 5.4vw, 68px); font-weight: 700; text-transform: uppercase; letter-spacing: -.005em; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero p.lead { font-size: 19px; color: #b8c1ce; max-width: 540px; margin-bottom: 32px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-3d { position: relative; height: 560px; }
.hero-3d canvas { width: 100% !important; height: 100% !important; display: block; cursor: grab; }
.hero-3d canvas:active { cursor: grabbing; }
.hero-tag { position: absolute; background: rgba(14, 17, 22, .72); border: 1px solid rgba(255, 255, 255, .12); border-radius: 10px; padding: 10px 14px; font-size: 13px; color: #c9d2de; backdrop-filter: blur(6px); pointer-events: none; }
.hero-tag b { display: block; color: #fff; font-size: 15px; font-family: var(--font-head); }
.hero-tag.t1 { top: 12%; right: 4%; }
.hero-tag.t2 { bottom: 14%; left: 2%; }
.hero-switch { position: absolute; bottom: 0; right: 0; display: flex; gap: 6px; }
.hero-switch button { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); color: #c9d2de; border-radius: 8px; padding: 7px 12px; font-size: 13px; font-weight: 600; }
.hero-switch button.on, .hero-switch button:hover { background: var(--red); border-color: var(--red); color: #fff; }

.stats { position: relative; border-top: 1px solid rgba(255, 255, 255, .08); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 26px; padding-bottom: 26px; }
.stat { padding: 0 20px; border-left: 1px solid rgba(255, 255, 255, .08); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font-family: var(--font-head); font-size: 34px; font-weight: 700; color: #fff; line-height: 1.1; }
.stat span { color: #8f9aaa; font-size: 14px; }

/* ---------- Bölümler ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 44px; }
.sec-head h2 { font-size: clamp(30px, 3.6vw, 44px); text-transform: uppercase; font-weight: 700; margin: 0; }
.sec-head p { color: var(--muted); max-width: 520px; margin: 10px 0 0; }
.center-head { text-align: center; display: block; }
.center-head p { margin: 12px auto 0; }
.center-head .eyebrow::after { content: ''; width: 28px; height: 2px; background: currentColor; }

/* ---------- 3D Kartlar ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card3d { position: relative; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid #edf0f5; display: flex; flex-direction: column; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.card3d:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card3d .model { position: relative; aspect-ratio: 1 / .86; background: radial-gradient(circle at 50% 45%, #f7fbff 0%, #fff 70%); }
.card3d .model canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.card3d .model.no-webgl::after { content: '3D görüntü için WebGL gerekli'; position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 13px; }
.card3d .body { padding: 6px 22px 22px; text-align: center; flex: 1; display: flex; flex-direction: column; }
.card3d h3 { font-size: 21px; font-weight: 700; margin: 0 0 6px; transition: color .2s; }
.card3d:hover h3 { color: var(--blue); }
.card3d .desc { color: var(--muted); font-size: 14.5px; line-height: 1.5; margin-bottom: 14px; flex: 1; }
.card3d .more { font-size: 12.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); display: inline-flex; align-items: center; gap: 6px; justify-content: center; }
.card3d .more svg { width: 14px; height: 14px; transition: transform .2s; }
.card3d:hover .more svg { transform: translateX(4px); }
.card3d .badge { position: absolute; top: 14px; left: 14px; z-index: 2; background: var(--red); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: 4px 9px; border-radius: 6px; }
.card3d .brand-chip { position: absolute; top: 14px; right: 14px; z-index: 2; font-size: 11.5px; font-weight: 700; color: var(--muted); background: var(--bg-soft); padding: 4px 9px; border-radius: 6px; }
.card3d .series { font-size: 12.5px; font-weight: 700; letter-spacing: .06em; color: var(--red); margin-bottom: 4px; text-transform: uppercase; }
.card3d .hint { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); font-size: 11px; color: #9aa6b6; letter-spacing: .08em; text-transform: uppercase; opacity: 0; transition: opacity .25s; display: flex; gap: 6px; align-items: center; }
.card3d:hover .hint { opacity: 1; }
.card3d .hint svg { width: 14px; height: 14px; }

/* ---------- Neden biz ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: .2s; }
.feature:hover { border-color: transparent; box-shadow: var(--shadow-lg); }
.feature .ic { width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; background: #fdecea; color: var(--red); margin-bottom: 18px; }
.feature .ic svg { width: 26px; height: 26px; }
.feature h3 { font-size: 20px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- Markalar ---------- */
.brands { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.brand { border: 1px solid var(--line); background: #fff; border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; transition: .2s; }
.brand:hover { box-shadow: var(--shadow-lg); border-color: transparent; }
.brand .wm { font-family: var(--font-head); font-weight: 800; font-size: 28px; letter-spacing: .01em; margin-bottom: 2px; }
.brand .origin { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.brand p { font-size: 15px; color: var(--ink-3); flex: 1; }
.brand .focus { font-size: 13px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: .05em; }
.brand a.ext { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--blue); }

/* ---------- CTA bandı ---------- */
.cta { background: linear-gradient(110deg, var(--red) 0%, #a5150f 100%); color: #fff; border-radius: 20px; padding: 48px 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta::after { content: ''; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border: 40px solid rgba(255, 255, 255, .07); border-radius: 50%; }
.cta h2 { font-size: clamp(26px, 3vw, 38px); text-transform: uppercase; margin-bottom: 8px; }
.cta p { margin: 0; color: #ffd9d6; font-size: 17px; }
.cta .actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta .btn-white { background: #fff; color: var(--red); }
.cta .btn-white:hover { background: var(--ink); color: #fff; }

/* ---------- Sayfa başlığı ---------- */
.page-hero { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 170, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 170, 255, .06) 1px, transparent 1px); background-size: 40px 40px; }
.page-hero .container { position: relative; padding-top: 56px; padding-bottom: 56px; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 52px); text-transform: uppercase; margin-bottom: 10px; }
.page-hero p { color: #aeb8c6; max-width: 640px; margin: 0; font-size: 17px; }
.crumbs { font-size: 14px; color: #8f9aaa; margin-bottom: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a:hover { color: #fff; }
.crumbs span { color: #586274; }

/* ---------- Ürün listesi ---------- */
.shop { display: grid; grid-template-columns: 270px 1fr; gap: 36px; align-items: start; }
.filters { position: sticky; top: 104px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.filters h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 18px 0 10px; }
.filters h4:first-child { margin-top: 0; }
.search { position: relative; }
.search input { width: 100%; padding: 12px 14px 12px 40px; border: 1px solid var(--line); border-radius: 10px; font: inherit; font-size: 15px; background: var(--bg-soft); }
.search input:focus { outline: 2px solid var(--blue); outline-offset: -1px; background: #fff; }
.search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--muted); }
.flist { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.flist button { width: 100%; text-align: left; background: none; border: 0; padding: 8px 10px; border-radius: 8px; font-size: 15px; color: var(--ink-2); display: flex; justify-content: space-between; gap: 8px; }
.flist button:hover { background: var(--bg-soft); }
.flist button.on { background: var(--ink); color: #fff; }
.flist button small { color: inherit; opacity: .55; }
.shop-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; gap: 12px; flex-wrap: wrap; }
.shop-top .count { color: var(--muted); }
.shop .grid-3 { gap: 22px; }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); }
.cat-intro { background: var(--bg-soft); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 24px; }
.cat-intro h2 { font-size: 26px; margin-bottom: 6px; text-transform: uppercase; }
.cat-intro p { margin: 0; color: var(--muted); }
.filter-toggle { display: none; }

/* ---------- Ürün detay ---------- */
.pd { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: start; }
.viewer { position: sticky; top: 104px; }
.stage { position: relative; border-radius: 18px; background: radial-gradient(circle at 50% 42%, #ffffff 0%, #eef4fb 70%, #e4ecf6 100%); border: 1px solid var(--line); height: 560px; overflow: hidden; }
.stage.dark { background: radial-gradient(circle at 50% 42%, #2a3442 0%, #141920 75%); }
.stage canvas { width: 100% !important; height: 100% !important; display: block; cursor: grab; }
.stage canvas:active { cursor: grabbing; }
.stage .toolbar { position: absolute; left: 14px; right: 14px; bottom: 14px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; pointer-events: none; }
.stage .toolbar > div { display: flex; gap: 6px; pointer-events: auto; background: rgba(255, 255, 255, .86); backdrop-filter: blur(8px); padding: 5px; border-radius: 10px; border: 1px solid var(--line); }
.stage .toolbar button { border: 0; background: none; padding: 7px 11px; border-radius: 7px; font-size: 13px; font-weight: 600; color: var(--ink-2); display: inline-flex; align-items: center; gap: 6px; }
.stage .toolbar button svg { width: 16px; height: 16px; }
.stage .toolbar button:hover { background: var(--bg-soft); }
.stage .toolbar button.on { background: var(--ink); color: #fff; }
.stage .swatch { width: 12px; height: 12px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .15); }
.stage .help { position: absolute; top: 14px; left: 14px; font-size: 12px; color: var(--muted); background: rgba(255, 255, 255, .8); border-radius: 8px; padding: 6px 10px; display: flex; align-items: center; gap: 6px; }
.stage.dark .help { background: rgba(0, 0, 0, .3); color: #aab4c2; }
.stage .help svg { width: 15px; height: 15px; }
.stage .model-note { position: absolute; top: 14px; right: 14px; font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.variants { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.variants button { border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 8px 14px; font-weight: 700; font-size: 14px; }
.variants button.on { border-color: var(--red); color: var(--red); background: #fff5f4; }
.variants .lbl { align-self: center; font-size: 13px; color: var(--muted); margin-right: 4px; }
.pd-info .brand-line { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.tag { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 6px; background: var(--bg-soft); color: var(--ink-2); }
.tag.red { background: var(--red); color: #fff; }
.tag.blue { background: var(--blue-soft); color: var(--blue); }
.pd-info h1 { font-size: clamp(30px, 3.4vw, 42px); text-transform: uppercase; margin-bottom: 8px; }
.pd-info .series-big { font-family: var(--font-head); font-weight: 700; color: var(--red); font-size: 20px; margin-bottom: 16px; letter-spacing: .02em; }
.pd-info .lead { font-size: 17px; color: var(--ink-3); }
.iso { display: flex; gap: 8px; flex-wrap: wrap; margin: 22px 0; }
.iso span { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px 5px 5px; font-size: 13.5px; font-weight: 600; }
.iso b { width: 26px; height: 26px; border-radius: 6px; color: #fff; display: grid; place-items: center; font-size: 14px; }
.specs { width: 100%; border-collapse: collapse; margin: 6px 0 26px; font-size: 15px; }
.specs th, .specs td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.specs th { width: 42%; color: var(--muted); font-weight: 600; background: var(--bg-soft); }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.contact-box { margin-top: 26px; display: flex; gap: 16px; align-items: center; padding: 18px; border-radius: var(--radius); background: var(--bg-soft); }
.contact-box .av { width: 52px; height: 52px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 19px; flex: 0 0 auto; }
.contact-box small { display: block; color: var(--muted); }
.contact-box b { font-size: 17px; }

.codes { margin-top: 64px; }
.codes-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.codes-head h2 { font-size: 30px; text-transform: uppercase; margin: 0; }
.codes-head .search { width: 300px; max-width: 100%; }
.code-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; }
.code { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; font-family: 'JetBrains Mono', ui-monospace, Consolas, monospace; font-size: 13.5px; background: #fff; }
.code:hover { border-color: var(--blue); }
.code button { border: 0; background: var(--bg-soft); border-radius: 6px; padding: 5px 8px; font-size: 12px; font-family: var(--font); font-weight: 600; color: var(--muted); }
.code button:hover { background: var(--blue); color: #fff; }
.code button.ok { background: #1fa855; color: #fff; }
.code .d { color: var(--muted); font-size: 12px; margin-left: auto; margin-right: 6px; }
.note { font-size: 13.5px; color: var(--muted); margin-top: 14px; }

/* ---------- Hakkımızda / iletişim ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .visual { height: 460px; border-radius: 20px; background: radial-gradient(circle at 50% 45%, #1d2b44 0%, var(--ink) 75%); position: relative; overflow: hidden; }
.split .visual canvas { width: 100% !important; height: 100% !important; }
.checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks svg { flex: 0 0 22px; width: 22px; height: 22px; color: var(--red); margin-top: 1px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.step { padding: 26px 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); position: relative; }
.step::before { counter-increment: s; content: '0' counter(s); font-family: var(--font-head); font-size: 44px; font-weight: 800; color: #f1d2cf; line-height: 1; display: block; margin-bottom: 10px; }
.step h3 { font-size: 19px; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.cinfo { display: grid; gap: 14px; }
.ci { display: flex; gap: 16px; align-items: center; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .2s; }
a.ci:hover { border-color: var(--red); box-shadow: var(--shadow); }
.ci .ic { width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; background: #fdecea; color: var(--red); flex: 0 0 auto; }
.ci .ic svg { width: 24px; height: 24px; }
.ci small { display: block; color: var(--muted); font-size: 13px; }
.ci b { font-size: 17px; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px; box-shadow: var(--shadow); }
.form h2 { font-size: 28px; text-transform: uppercase; margin-bottom: 4px; }
.form > p { color: var(--muted); }
.fg { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-3); }
.field input, .field select, .field textarea { font: inherit; font-size: 15px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft); width: 100%; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; background: #fff; }
.form .actions { display: flex; gap: 10px; flex-wrap: wrap; }
.form .btn:disabled { opacity: .6; cursor: wait; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { display: none; margin-bottom: 14px; padding: 12px 14px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.form-msg.ok { display: block; background: #e5f7ec; color: #146c3a; }
.form-msg.err { display: block; background: #fde8e7; color: #a51d17; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #9aa5b4; padding: 72px 0 0; font-size: 15px; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer img { height: 46px; margin-bottom: 18px; }
.footer h4 { color: #fff; font-size: 16px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer a:hover { color: #fff; }
.footer .fc { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.footer .fc svg { width: 17px; height: 17px; color: var(--red); flex: 0 0 auto; margin-top: 3px; }
.footer .bottom { margin-top: 56px; border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; }

.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: #1fa855; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 30px rgba(31, 168, 85, .4); transition: transform .2s; }
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 30px; height: 30px; }

/* Görünürlük animasyonu */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .grid-4, .features, .brands, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .shop { grid-template-columns: 1fr; }
  .filters { position: static; display: none; }
  .filters.open { display: block; }
  .filter-toggle { display: inline-flex; }
  .pd { grid-template-columns: 1fr; }
  .viewer { position: static; }
}
@media (max-width: 900px) {
  .topbar .tb-right { display: none; }
  .nav { position: fixed; inset: 84px 0 auto 0; background: #fff; flex-direction: column; align-items: stretch; padding: 12px 16px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg); display: none; max-height: calc(100vh - 84px); overflow: auto; }
  .nav.open { display: flex; }
  .nav .mega { position: static; transform: none; width: auto; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 0 10px; grid-template-columns: 1fr; display: none; }
  .nav .dd.open .mega { display: grid; transform: none; }
  .nav .dd:hover .mega { transform: none; }
  .nav .dd > button { width: 100%; justify-content: space-between; }
  .burger { display: inline-flex; }
  .header .btn-red.head-cta { display: none; }
  .hero > .container { grid-template-columns: 1fr; min-height: 0; padding-top: 48px; }
  .hero-3d { height: 380px; order: -1; }
  .hero-tag { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split .visual { height: 340px; }
  .cta { flex-direction: column; align-items: flex-start; padding: 36px 28px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stage { height: 420px; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .topbar { font-size: 13px; }
  .topbar .tb-left a:nth-child(2) { display: none; }
  .header .container { height: 72px; }
  .nav { inset: 72px 0 auto 0; }
  .logo img { height: 42px; }
  .section { padding: 64px 0; }
  .grid-3, .grid-4, .features, .brands, .steps { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
  .fg { grid-template-columns: 1fr; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .stage { height: 360px; }
  .stage .toolbar { left: 8px; right: 8px; bottom: 8px; }
  .stage .toolbar button { padding: 6px 8px; font-size: 12px; }
  .form { padding: 22px; }
  .hero-3d { height: 300px; }
}

/* ---------- Mühendislik çözümleri ---------- */
.sol-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 26px; }
.sol-nav a { padding: 8px 14px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px; font-size: 14px; font-weight: 600; color: #c9d2de; transition: .18s; }
.sol-nav a:hover { background: var(--red); border-color: var(--red); color: #fff; }
.sol { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 40px 0; scroll-margin-top: 100px; }
.sol + .sol { border-top: 1px solid var(--line); }
.sol.rev .sol-visual { order: 2; }
.sol-visual { position: relative; border-radius: 20px; background: radial-gradient(circle at 50% 45%, #f7fbff 0%, #eaf2fb 75%); border: 1px solid var(--line); overflow: hidden; }
.sol-visual .model { position: relative; aspect-ratio: 4 / 3; }
.sol-visual .model canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.sol-no { position: absolute; top: 18px; left: 22px; font-family: var(--font-head); font-weight: 800; font-size: 54px; line-height: 1; color: rgba(47, 127, 224, .16); }
.sol-text h2 { font-size: clamp(28px, 3vw, 38px); text-transform: uppercase; }
.sol-text p { color: var(--ink-3); font-size: 17px; }
.side-cta { display: block; margin-top: 20px; padding: 16px; border-radius: 12px; background: var(--ink); color: #c4cad4; font-size: 14px; line-height: 1.45; }
.side-cta b { display: block; color: #fff; font-size: 15px; margin-bottom: 4px; }
.side-cta:hover { background: var(--red); color: #fff; }

/* ---------- Görüntüleyici: tam ekran ---------- */
.stage:fullscreen { height: 100vh; border-radius: 0; border: 0; }
.stage.pseudo-full { position: fixed; inset: 0; z-index: 200; height: auto; border-radius: 0; }
.card3d .model, .sol-visual .model { cursor: zoom-in; }

@media (max-width: 900px) {
  .sol { grid-template-columns: 1fr; gap: 26px; }
  .sol.rev .sol-visual { order: 0; }
}