:root {
  --ink: #111a24;
  --ink-2: #1c2835;
  --text: #24303c;
  --muted: #5d6975;
  --line: #dde1e5;
  --line-strong: #c4cad0;
  --bg: #f4f5f6;
  --surface: #fff;
  --signal: #f7b500;
  --signal-dark: #dfa300;
  --wa: #0f7b43;
  --wa-dark: #0b6636;
  --radius: 4px;
  --head: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --body: Barlow, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.55 var(--body); display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.12; }
p { margin: 0; }
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.icon { width: 1.15em; height: 1.15em; flex: none; }
.muted { color: var(--muted); }
:focus-visible { outline: 2px solid #0b63c5; outline-offset: 2px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: #fff; padding: 8px 14px; }
.skip:focus { left: 8px; }

/* Üst şerit */
.util { background: var(--ink); color: #c8d0d8; font-size: .86rem; }
.util-in { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 36px; }
.util-info { display: flex; gap: 22px; min-width: 0; }
.util-info span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.util-info .icon { color: var(--signal); }
.util-wa { display: inline-flex; align-items: center; gap: 7px; color: #fff; text-decoration: none; font-weight: 500; white-space: nowrap; }
.util-wa:hover { color: var(--signal); }

/* Başlık */
.head { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.head-in { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); font: 700 1.65rem/1 var(--head); text-transform: uppercase; letter-spacing: .015em; flex: none; max-width: 40%; }
.brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand img { max-height: 48px; width: auto; }
.brand .brand-mark { width: 38px; height: 38px; flex: none; }
.head-search { flex: 1; display: flex; max-width: 620px; height: 46px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; }
.head-search:focus-within { border-color: var(--ink); }
.head-search input { flex: 1; min-width: 0; border: 0; background: none; padding: 0 14px; font: inherit; color: var(--ink); outline: 0; }
.head-search button { width: 52px; border: 0; background: var(--ink); color: #fff; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; cursor: pointer; border-radius: 0 3px 3px 0; }
.head-search button:hover { background: var(--ink-2); color: var(--signal); }
.head-call { margin-left: auto; display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); flex: none; }
.head-call > .icon { font-size: 1.3rem; }
.head-call span { display: flex; flex-direction: column; line-height: 1.15; }
.head-call small { color: var(--muted); font-size: .78rem; }
.head-call b { font-weight: 700; font-size: 1.1rem; white-space: nowrap; }
.head-call:hover b { text-decoration: underline; }

.catnav { border-top: 1px solid var(--line); }
.catnav-in { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.catnav-in::-webkit-scrollbar { display: none; }
.catnav a { padding: 11px 12px; text-decoration: none; white-space: nowrap; font-weight: 500; font-size: .94rem; color: var(--text); border-bottom: 3px solid transparent; margin-bottom: -1px; }
.catnav a:first-child { padding-left: 0; }
.catnav a:hover { color: var(--ink); border-bottom-color: var(--line-strong); }
.catnav a.on { color: var(--ink); font-weight: 600; border-bottom-color: var(--signal); }
.catnav a:last-child { margin-left: auto; padding-right: 0; }

/* Vitrin */
.hero { background: var(--ink); color: #fff; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: center; gap: 32px; min-height: 480px; }
.hero-copy { padding: 56px 0; position: relative; z-index: 1; }
.eyebrow { font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }
.hero h1 { color: #fff; font: 700 clamp(2.8rem, 6vw, 4.9rem)/.98 var(--head); text-transform: uppercase; margin: 14px 0 16px; max-width: 15ch; }
.lead { color: #c8d0d8; font-size: 1.15rem; max-width: 52ch; }
.search { display: flex; align-items: center; margin-top: 30px; max-width: 660px; background: #fff; border-radius: var(--radius); padding: 6px 6px 6px 16px; color: var(--muted); }
.search > .icon { font-size: 1.1rem; }
.search input { flex: 1; min-width: 0; border: 0; background: none; padding: 12px; font: inherit; color: var(--ink); outline: 0; }
.search button { border: 0; border-radius: 3px; background: var(--signal); color: var(--ink); font: 600 1rem var(--body); padding: 12px 24px; cursor: pointer; white-space: nowrap; }
.search button:hover { background: var(--signal-dark); }
.search:focus-within { box-shadow: 0 0 0 3px rgba(247, 181, 0, .55); }
.hint { margin-top: 12px; color: #93a0ac; font-size: .9rem; }
.rotor { width: 128%; max-width: none; margin: 24px -28% 24px 0; align-self: center; }
.rotor-line { stroke: #6d7c8b; }
.rotor-faint { stroke: #33414f; }
.rotor-accent { stroke: var(--signal); }

.steps { background: var(--surface); border-bottom: 1px solid var(--line); }
.steps-in { list-style: none; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); padding-top: 0; padding-bottom: 0; }
.steps li { display: flex; gap: 16px; padding: 26px 26px; border-left: 1px solid var(--line); }
.steps li:first-child { border-left: 0; padding-left: 0; }
.steps b { font: 500 .85rem var(--mono); color: var(--muted); padding-top: 3px; }
.steps h2 { font: 600 1.3rem/1.2 var(--head); margin-bottom: 3px; }
.steps p { color: var(--muted); font-size: .95rem; }

/* Bölümler */
.section { padding-top: 52px; padding-bottom: 8px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.section-head h2 { font: 700 2rem/1.1 var(--head); text-transform: uppercase; letter-spacing: .005em; }
.more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .95rem; text-decoration: none; color: var(--ink); white-space: nowrap; }
.more:hover { text-decoration: underline; }

.cats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cat { display: flex; align-items: center; gap: 14px; background: var(--surface); padding: 20px 16px 20px 18px; text-decoration: none; color: var(--ink); min-height: 88px; transition: background-color .12s; }
.cat > .icon { color: var(--line-strong); margin-left: auto; transition: transform .12s, color .12s; }
.cat-icon { width: 44px; height: 44px; flex: none; display: flex; align-items: center; justify-content: center; background: var(--bg); border-radius: var(--radius); font-size: 1.2rem; color: var(--ink); }
.cat-name { font-weight: 600; line-height: 1.25; min-width: 0; }
.cat-name small { display: block; color: var(--muted); font-weight: 400; font-size: .85rem; margin-top: 2px; }
.cat:hover { background: #fbfbf9; }
.cat:hover .cat-icon { background: var(--signal); }
.cat:hover > .icon { color: var(--ink); transform: translateX(3px); }

/* Ürün kartı */
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.grid-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: border-color .12s, box-shadow .12s; }
.card:hover { border-color: var(--ink); box-shadow: 0 6px 18px rgba(17, 26, 36, .08); }
.card-img { aspect-ratio: 4 / 3; background: #fff; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: contain; }
.no-img { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: #b6bdc4; font-size: 2.7rem; background: repeating-linear-gradient(135deg, #f7f8f9 0 8px, #f1f2f4 8px 16px); }
.no-img .icon { stroke-width: 1.25; }
.card-body { padding: 13px 15px 14px; display: flex; flex-direction: column; flex: 1; }
.code { font: 500 .8rem var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.card h3 { font: 600 1.03rem/1.3 var(--body); margin-top: 5px; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-fit { margin-top: 4px; color: var(--muted); font-size: .88rem; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-foot { margin-top: auto; padding-top: 12px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 8px; }
.card-foot strong { color: var(--ink); font-size: 1.12rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.card-foot strong.price-ask { font-size: .95rem; font-weight: 600; color: var(--muted); }
.stock { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 500; white-space: nowrap; }
.stock::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.stock-var { color: #0f7b43; }
.stock-az { color: #a06400; }
.stock-yok { color: #a8322a; }

/* Butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 10px 22px; border-radius: var(--radius); border: 1px solid transparent; font: 600 1rem var(--body); text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color .12s, border-color .12s; }
.btn-primary { background: var(--signal); color: var(--ink); }
.btn-primary:hover { background: var(--signal-dark); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-dark); }
.btn-ghost { background: var(--surface); border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-block { width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* Çağrı bandı */
.cta { margin-top: 60px; background: var(--signal); color: var(--ink); }
.cta-in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px 40px; padding-top: 32px; padding-bottom: 32px; }
.cta h2 { font: 700 2rem/1.1 var(--head); text-transform: uppercase; }
.cta p { margin-top: 5px; max-width: 60ch; }
.cta .btn-primary { background: var(--ink); color: #fff; }
.cta .btn-primary:hover { background: var(--ink-2); }

/* Sayfa başlığı */
.page-head { background: var(--surface); border-bottom: 1px solid var(--line); padding: 20px 0 24px; }
.page-head h1 { font: 700 clamp(2rem, 4vw, 2.75rem)/1.05 var(--head); text-transform: uppercase; margin-top: 8px; overflow-wrap: anywhere; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: .88rem; color: var(--muted); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs .icon { width: .95em; height: .95em; color: var(--line-strong); }
.crumbs-plain { padding: 18px 0 16px; }

/* Liste */
.list-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 32px; padding-top: 28px; align-items: start; margin-bottom: 60px; }
.side { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 8px 8px; position: sticky; top: 148px; }
.side h2 { font: 500 .78rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 0 10px 8px; }
.side ul { list-style: none; margin: 0; padding: 0; }
.side a { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 8px 10px; text-decoration: none; border-radius: 3px; font-size: .96rem; line-height: 1.3; }
.side a small { color: var(--muted); font-family: var(--mono); font-size: .76rem; }
.side a:hover { background: var(--bg); }
.side a.on { background: var(--ink); color: #fff; font-weight: 600; }
.side a.on small { color: #c8d0d8; }
.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 16px; margin-bottom: 14px; min-height: 40px; }
.toolbar b { color: var(--ink); }
.toolbar a { color: var(--muted); font-size: .92rem; }
.sort { display: flex; align-items: center; gap: 9px; font-size: .92rem; color: var(--muted); }
.sort select { font: inherit; color: var(--ink); height: 40px; padding: 0 10px; background: #fff; border: 1px solid var(--line-strong); border-radius: var(--radius); }
.pager { display: flex; justify-content: center; align-items: center; gap: 18px; margin-top: 32px; color: var(--muted); }
.empty { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 56px 24px; text-align: center; }
.empty-icon { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; background: var(--bg); border-radius: 50%; font-size: 1.3rem; color: var(--muted); }
.empty h1, .empty h2 { font: 600 1.6rem/1.2 var(--head); margin: 16px 0 6px; }
.empty p { color: var(--muted); max-width: 48ch; margin: 0 auto 20px; }

/* Ürün detay */
.product { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: start; }
.gallery-main { aspect-ratio: 4 / 3; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-main .no-img { font-size: 5rem; }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.thumbs button { width: 76px; height: 76px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; cursor: pointer; }
.thumbs button:hover { border-color: var(--ink); }
.thumbs button.on { border: 2px solid var(--ink); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.info-brand { font: 500 .82rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.info h1 { font: 700 clamp(2rem, 3.2vw, 2.65rem)/1.06 var(--head); overflow-wrap: anywhere; }
.oem { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin-top: 14px; font-size: .9rem; color: var(--muted); }
.oem code { font: 500 1rem var(--mono); color: var(--ink); background: var(--surface); border: 1px solid var(--line); padding: 3px 9px; border-radius: 3px; overflow-wrap: anywhere; }
.copy { display: inline-flex; align-items: center; gap: 5px; background: none; border: 0; padding: 3px; color: var(--muted); font: inherit; font-size: .85rem; cursor: pointer; }
.copy:hover { color: var(--ink); text-decoration: underline; }
.buybox { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--ink); border-radius: var(--radius); padding: 20px; margin-top: 20px; }
.price-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 14px; margin-bottom: 16px; }
.price { color: var(--ink); font: 700 2.3rem/1 var(--head); font-variant-numeric: tabular-nums; }
.price.price-ask { font-size: 1.75rem; }
.buybox .stock { font-size: .95rem; }
.contact-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.contact-bar .btn { flex: 1 1 150px; }
.buybox-tip { margin-top: 13px; font-size: .88rem; color: var(--muted); line-height: 1.4; }
.specs { margin: 20px 0 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 10px 22px; }
.specs dt { color: var(--muted); font-size: .92rem; }
.specs dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.desc { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.desc h2 { font: 600 1.3rem var(--head); margin-bottom: 6px; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; margin-bottom: 60px; padding-top: 32px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; overflow-wrap: anywhere; }
.panel h2 { font: 700 1.6rem/1.15 var(--head); text-transform: uppercase; margin-bottom: 7px; }
.panel .actions { margin-top: 20px; }
.contact-list { margin: 24px 0 0; display: grid; gap: 16px; border-top: 1px solid var(--line); padding-top: 20px; }
.contact-list dt { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--muted); margin-bottom: 2px; }
.contact-list dd { margin: 0; color: var(--ink); }
.notice { margin-top: 18px; padding: 12px 14px; background: var(--bg); border-left: 3px solid var(--signal); font-size: .95rem; }

/* Alt bilgi */
.foot { background: var(--ink); color: #aeb8c2; font-size: .95rem; margin-top: 0; }
main > :last-child:not(.cta) { margin-bottom: 60px; }
.foot-grid { display: grid; grid-template-columns: 4fr 5fr 3fr; gap: 40px; padding-top: 44px; padding-bottom: 36px; }
.foot-brand { display: block; color: #fff; font: 700 1.55rem/1.1 var(--head); text-transform: uppercase; margin-bottom: 8px; }
.foot h2 { font: 500 .78rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot a { text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.foot-cats { columns: 2; column-gap: 20px; }
.foot-cats li { margin-bottom: 7px; break-inside: avoid; line-height: 1.3; }
.foot-contact li { display: flex; gap: 10px; margin-bottom: 10px; line-height: 1.4; overflow-wrap: anywhere; }
.foot-contact .icon { margin-top: 2px; color: var(--signal); }
.foot-end { border-top: 1px solid #27333f; padding-top: 16px; padding-bottom: 18px; font-size: .85rem; color: #84909c; }

@media (max-width: 1040px) {
  .cats, .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-about { grid-column: 1 / -1; }
  .hero-in { grid-template-columns: minmax(0, 1fr) 280px; }
  .rotor { width: 460px; margin: 0; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .util-info span:nth-child(2) { display: none; }
  .util-in { min-height: 32px; font-size: .8rem; }
  .head { position: static; }
  .head-in { flex-wrap: wrap; gap: 10px 12px; padding: 12px 16px; min-height: 0; }
  .brand { font-size: 1.35rem; max-width: 72%; }
  .brand .brand-mark { width: 32px; height: 32px; }
  .brand img { max-height: 38px; }
  .head-search { order: 3; flex: 1 0 100%; max-width: none; height: 44px; }
  .head-call span { display: none; }
  .head-call { width: 42px; height: 42px; justify-content: center; background: var(--signal); border-radius: var(--radius); }
  .head-call > .icon { font-size: 1.1rem; }
  .catnav-in { padding: 0 16px; }
  .catnav a:last-child { margin-left: 0; padding-right: 12px; }
  .hero-in { display: block; min-height: 0; position: relative; }
  .hero-copy { padding: 36px 0 40px; }
  .rotor { position: absolute; width: 340px; right: -190px; top: -90px; margin: 0; opacity: .55; }
  .hero h1 { font-size: 2.7rem; max-width: 15ch; }
  .lead { font-size: 1.02rem; }
  .search { padding: 5px 5px 5px 12px; margin-top: 22px; }
  .search input { padding: 10px 8px; }
  .search button { padding: 11px 15px; }
  .steps-in { grid-template-columns: minmax(0, 1fr); padding: 4px 16px; }
  .steps li, .steps li:first-child { padding: 14px 0; border-left: 0; border-top: 1px solid var(--line); }
  .steps li:first-child { border-top: 0; }
  .section { padding-top: 36px; }
  .section-head h2, .cta h2 { font-size: 1.7rem; }
  .cats { grid-template-columns: minmax(0, 1fr); }
  .cat { min-height: 68px; padding: 12px 14px; }
  .grid, .grid-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .card-body { padding: 10px 11px 11px; }
  .card h3 { font-size: .95rem; }
  .list-layout { grid-template-columns: minmax(0, 1fr); padding-top: 16px; }
  .side { display: none; }
  .cta { margin-top: 40px; }
  .cta .actions, .cta .btn { width: 100%; }
  .cta .actions .btn { flex: 1 1 140px; width: auto; }
  .crumbs-plain { padding: 12px 0; }
  .crumbs-plain span:last-child, .crumbs-plain .icon:last-of-type { display: none; }
  .product { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .buybox:has(.contact-bar) { padding-bottom: 14px; }
  .contact-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 15; padding: 10px 16px; background: var(--surface); border-top: 1px solid var(--line); flex-wrap: nowrap; margin: 0; }
  body:has(.contact-bar) .foot { padding-bottom: 68px; }
  .specs { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .specs dd { margin-bottom: 10px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); padding-top: 16px; margin-bottom: 40px; }
  .panel { padding: 20px; }
  .panel .btn { flex: 1 1 100%; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 32px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }