/* ============ EMRE PARTS — DESIGN SYSTEM ============
   Palet  : çelik grafit + atölye betonu + emniyet ambarı
   Tipo   : Big Shoulders Display / IBM Plex Sans / IBM Plex Mono
   İmza   : pahlı "işlenmiş plaka" köşeler + parça-etiketi
            mono kodları + ikaz şeridi
==================================================== */
:root{
  --ink:#141920; --steel-950:#0F1318; --steel-900:#151B22; --steel-800:#1C242E; --steel-700:#27313D;
  --line-d:#333E4B; --line:#D4D6D0; --paper:#F1F2EE; --paper-2:#E7E9E3; --card:#FBFBF8;
  --amber:#F5A300; --amber-2:#FFBE2E; --mut:#57626F; --mut-2:#8B96A2; --inv:#EDF1F4; --inv-2:#A6B1BD;
  --disp:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --sans:"IBM Plex Sans",system-ui,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --cut:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  --cut-b:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  --shadow:0 18px 40px -18px rgba(16,19,24,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:400 16px/1.65 var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
::selection{background:var(--amber);color:var(--ink)}

.wrap{width:min(1180px,100% - 48px);margin-inline:auto}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:880px){.split{grid-template-columns:1fr;gap:32px}}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--ink);padding:10px 16px;font:600 12px var(--mono);z-index:99}
.skip:focus{left:12px;top:12px}

/* ---- doku & motifler ---- */
.hz{height:8px;background:repeating-linear-gradient(-45deg,var(--amber) 0 13px,var(--ink) 13px 26px)}
.hz--thin{height:5px}
.grid-bg{background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:46px 46px}
.cut{clip-path:var(--cut)}
.cut-b{clip-path:var(--cut-b)}

/* ---- tipografi rolleri ---- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 11px/1 var(--mono);letter-spacing:.24em;text-transform:uppercase;color:var(--mut)}
.eyebrow::before{content:"";width:9px;height:9px;background:var(--amber);flex:none}
.on-dark .eyebrow{color:var(--inv-2)}
h1,h2,h3,.disp{font-family:var(--disp);text-transform:uppercase;line-height:.92;letter-spacing:.005em}
.h-xl{font-size:clamp(3.2rem,8.2vw,6.4rem);font-weight:800}
.h-lg{font-size:clamp(2.3rem,5vw,3.6rem);font-weight:800}
.h-md{font-size:clamp(1.5rem,2.6vw,1.9rem);font-weight:700}
.lead{font-size:1.06rem;color:var(--mut);max-width:56ch}
.on-dark .lead{color:var(--inv-2)}
.mono{font-family:var(--mono)}
.amb{color:var(--amber)}

/* ---- etiket / rozet ---- */
.tag{display:inline-flex;align-items:center;gap:8px;font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--line-d);color:var(--inv-2);padding:8px 12px 7px;clip-path:var(--cut-b)}
.tag--light{border-color:var(--line);color:var(--mut);background:var(--card)}
.chip{display:inline-block;font:500 12px/1 var(--mono);letter-spacing:.08em;padding:9px 12px 8px;border:1px solid var(--line-d);color:var(--inv)}
.chip--light{border-color:var(--line);color:var(--ink);background:var(--card)}

/* ---- butonlar ---- */
.btn{display:inline-flex;align-items:center;gap:12px;font:600 12.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  padding:17px 24px;border:0;cursor:pointer;clip-path:var(--cut-b);transition:background .2s,color .2s,transform .2s}
.btn::after{content:"→";font-family:var(--sans);transition:transform .2s}
.btn:hover::after{transform:translateX(4px)}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-amber:hover{background:var(--amber-2)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--steel-700)}
.btn-ghost{background:transparent;color:var(--inv);box-shadow:inset 0 0 0 1px var(--line-d)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-ghost--ink{color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.btn-ghost--ink:hover{background:var(--ink);color:var(--paper)}
.link-more{display:inline-flex;align-items:center;gap:8px;font:600 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--amber);padding-bottom:4px}
.link-more:hover{color:var(--amber)}

/* ---- üst bar + başlık ---- */
.topbar{background:var(--steel-950);color:var(--inv-2);font:500 11px/1 var(--mono);letter-spacing:.12em}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:10px 0;text-transform:uppercase}
.topbar a:hover{color:var(--amber)}
.topbar .r{display:flex;gap:22px}
.site-head{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-head.is-stuck{box-shadow:0 10px 30px -18px rgba(16,19,24,.4)}
.site-head .wrap{display:flex;align-items:center;gap:34px;padding:14px 0}
.logo{display:flex;align-items:center}
.logo img{height:54px;width:auto;clip-path:var(--cut)}
@media (max-width:520px){.logo img{height:44px}}
.nav{margin-left:auto;display:flex;gap:4px}
.nav a{font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:12px 13px;position:relative;color:var(--mut)}
.nav a:hover{color:var(--ink)}
.nav a.is-active{color:var(--ink)}
.nav a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:3px;background:var(--amber)}
.head-cta{flex:none}
.burger{display:none;margin-left:auto;width:46px;height:46px;background:var(--ink);border:0;cursor:pointer;clip-path:var(--cut);place-items:center}
.burger span{display:block;width:20px;height:2px;background:var(--paper);position:relative;transition:.25s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--paper);transition:.25s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.nav-open .burger span{background:transparent}
.nav-open .burger span::before{top:0;transform:rotate(45deg)}
.nav-open .burger span::after{top:0;transform:rotate(-45deg)}

/* ---- sayfa kahramanı (alt sayfalar) ---- */
.page-hero{background:var(--steel-900);color:var(--inv);padding:84px 0 64px;position:relative;overflow:hidden}
.page-hero .wrap{position:relative;display:flex;flex-direction:column;gap:20px}
.page-hero .crumbs{font:500 11px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--inv-2)}
.page-hero .crumbs a:hover{color:var(--amber)}
.page-hero .lead{max-width:62ch}
.page-hero .ref{position:absolute;right:0;top:6px;font:600 11px var(--mono);letter-spacing:.24em;color:var(--line-d);text-transform:uppercase}

/* ---- bölümler ---- */
.sec{padding:96px 0}
.sec--dark{background:var(--steel-900);color:var(--inv)}
.sec--paper2{background:var(--paper-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:52px;flex-wrap:wrap}
.sec-head .lead{margin-top:14px}
.sec-head h2{margin-top:14px}

/* ---- plakalar (kartlar) ---- */
.plate{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--steel-800);padding:26px 24px;transition:transform .25s,border-color .25s,box-shadow .25s;position:relative}
.plate:hover{transform:translateY(-5px);border-top-color:var(--amber);box-shadow:var(--shadow)}
.plate .code{font:600 12px var(--mono);letter-spacing:.2em;color:var(--amber);background:var(--ink);display:inline-block;padding:6px 9px 5px;margin-bottom:18px}
.plate h3{font-size:1.35rem;margin-bottom:10px}
.plate p,.plate li{font-size:.92rem;color:var(--mut)}
.plate ul{margin:12px 0 0;display:flex;flex-wrap:wrap;gap:6px 0}
.plate li{white-space:nowrap}
.plate li:not(:last-child)::after{content:"·";margin:0 8px;color:var(--amber)}

.plate-dark{background:var(--steel-800);color:var(--inv);padding:32px 28px 28px;clip-path:var(--cut);position:relative;transition:transform .25s,background .25s}
.plate-dark::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--line-d);transition:background .25s}
.plate-dark:hover{transform:translateY(-6px);background:var(--steel-700)}
.plate-dark:hover::before{background:var(--amber)}
.plate-dark p{color:var(--inv-2);font-size:.95rem}

/* ---- footer ---- */
.site-foot{background:var(--steel-950);color:var(--inv-2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:70px 0 56px}
.foot-grid h4{font:600 11px/1 var(--mono);letter-spacing:.24em;text-transform:uppercase;color:var(--amber);margin-bottom:20px}
.foot-grid li{margin-bottom:10px;font-size:.92rem}
.foot-grid a:hover{color:var(--amber)}
.foot-brand p{margin-top:16px;font-size:.9rem;max-width:34ch}
.foot-bottom{border-top:1px solid var(--line-d);padding:22px 0;font:400 11.5px/1.7 var(--mono);letter-spacing:.04em;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--mut-2)}

/* ---- kayan OEM hattı ---- */
.ticker{background:var(--steel-950);border-top:1px solid var(--line-d);overflow:hidden;position:relative}
.ticker::before{content:"OEM ÇAPRAZ REFERANS HATTI";position:absolute;left:0;top:0;bottom:0;z-index:2;display:flex;align-items:center;
  background:var(--amber);color:var(--ink);font:600 10px var(--mono);letter-spacing:.18em;padding:0 16px;clip-path:var(--cut-b)}
.ticker-track{display:flex;width:max-content;animation:tick 46s linear infinite}
.ticker-track span{padding:15px 26px;font:500 12px/1 var(--mono);letter-spacing:.1em;color:var(--inv-2);white-space:nowrap;border-right:1px dashed var(--line-d)}
.ticker-track span b{color:var(--amber);font-weight:600}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---- açılış animasyonu ---- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease;transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
  *{transition-duration:.01ms!important}
}

/* ============ SAYFAYA ÖZEL ============ */
/* anasayfa kahramanı */
.hero{background:var(--steel-900);color:var(--inv);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:88px 0 96px}
.hero h1{margin:22px 0 24px}
.hero h1 .row{display:block}
.hero h1 .hl{color:var(--amber)}
.hero-underline{width:120px;height:8px;margin:30px 0 0;background:repeating-linear-gradient(-45deg,var(--amber) 0 10px,transparent 10px 20px)}
.hero-cta{display:flex;gap:14px;margin:34px 0 0;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);gap:0;margin-top:52px;border:1px solid var(--line-d)}
.hero-stats div{padding:16px 20px 14px}
.hero-stats div+div{border-left:1px solid var(--line-d)}
.hero-stats b{display:block;font:800 30px/1 var(--disp);color:var(--paper)}
.hero-stats small{font:500 10px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mut-2)}
.fig{position:relative;border:1px solid var(--line-d);padding:26px 18px 16px;background:rgba(255,255,255,.015)}
.fig .corner{position:absolute;width:14px;height:14px;color:var(--amber)}
.fig .corner::before,.fig .corner::after{content:"";position:absolute;background:currentColor}
.fig .corner::before{left:6px;top:0;width:2px;height:14px}
.fig .corner::after{left:0;top:6px;width:14px;height:2px}
.fig .c1{left:-7px;top:-7px}.fig .c2{right:-7px;top:-7px}.fig .c3{left:-7px;bottom:-7px}.fig .c4{right:-7px;bottom:-7px}
.fig figcaption{display:flex;justify-content:space-between;gap:12px;font:500 10px/1.5 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mut-2);border-top:1px dashed var(--line-d);padding-top:12px;margin-top:8px}
.blu .st{fill:none;stroke:#8FA2B4;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.blu .st2{fill:none;stroke:#C6D3DF;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.blu .am{stroke:var(--amber)}
.blu .amf{fill:var(--amber)}
.blu .dash{stroke-dasharray:5 5;stroke-width:1.1}
.blu text{fill:#B9C6D2;font:600 11px var(--mono);letter-spacing:.06em}
.blu .dim{fill:#5E6E7E;font-size:10px}

/* araç grubu kartları */
.groups{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.group-card .gicon{color:var(--amber);margin-bottom:22px}
.group-card .gicon .st{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.group-card .gicon .st-soft{fill:none;stroke:var(--inv-2);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.group-card h3{font-size:1.6rem;margin-bottom:8px}
.group-card .brands{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0 24px}
.group-card .link-more{color:var(--inv)}
.group-card .gno{position:absolute;top:20px;right:24px;font:600 11px var(--mono);letter-spacing:.2em;color:var(--mut-2)}

/* ürün ızgarası */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* tescilli markalar */
.own-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
.own{border:1px solid var(--line-d);padding:38px 34px;position:relative;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.own::before{content:"";position:absolute;inset:8px;border:1px dashed var(--line-d);pointer-events:none}
.own .reg{position:absolute;top:22px;right:24px;font:500 10px var(--mono);letter-spacing:.2em;color:var(--amber);border:1px solid var(--amber);padding:5px 8px 4px}
.own b{display:block;font:800 clamp(2.6rem,4.5vw,3.6rem)/1 var(--disp);letter-spacing:.02em}
.own p{color:var(--inv-2);margin:14px 0 22px;max-width:44ch}
.own .spec{display:flex;gap:16px;flex-wrap:wrap;font:500 10.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mut-2);border-top:1px dashed var(--line-d);padding-top:16px}

/* neden biz */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}
.why article{border-top:2px solid var(--line);padding-top:22px;transition:border-color .25s}
.why article:hover{border-top-color:var(--amber)}
.why .k{display:block;width:10px;height:10px;background:var(--amber);margin-bottom:18px}
.why h3{font-size:1.15rem;margin-bottom:8px}
.why p{font-size:.92rem;color:var(--mut)}

/* CTA bandı */
.cta-band{background:var(--amber);color:var(--ink)}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:60px 0;flex-wrap:wrap}
.cta-band h2{max-width:14ch}
.cta-band .mono{font:600 13px var(--mono);letter-spacing:.12em}
.cta-band .r{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-band .tel{font:800 clamp(1.8rem,3vw,2.4rem)/1 var(--disp);letter-spacing:.03em}

/* zaman çizelgesi */
.tl{position:relative;margin-top:10px}
.tl::before{content:"";position:absolute;left:83px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl-item{display:grid;grid-template-columns:70px 1fr;gap:44px;padding:26px 0;position:relative}
.tl-item::before{content:"";position:absolute;left:77px;top:38px;width:14px;height:14px;background:var(--paper);border:3px solid var(--steel-800)}
.tl-item:hover::before{border-color:var(--amber)}
.tl-item .yr{font:800 26px/1.1 var(--disp);text-align:right;color:var(--steel-800)}
.tl-item h3{font-size:1.25rem;margin-bottom:6px}
.tl-item p{color:var(--mut);font-size:.95rem;max-width:64ch}

/* marka plakaları (araç grupları sayfası) */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.brand-plate{background:var(--card);border:1px solid var(--line);padding:20px 18px 16px;transition:transform .2s,border-color .2s}
.brand-plate:hover{transform:translateY(-4px);border-color:var(--ink)}
.brand-plate b{display:block;font:700 20px/1 var(--disp);letter-spacing:.03em}
.brand-plate small{font:500 9.5px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.vgroup{padding:78px 0}
.vgroup+.vgroup{border-top:1px solid var(--line)}
.vgroup .head{display:grid;grid-template-columns:150px 1fr auto;gap:36px;align-items:center}
.vgroup .gicon{color:var(--ink)}
.vgroup .gicon .st{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.vgroup .gicon .st-soft{fill:none;stroke:var(--mut-2);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.vgroup .parts{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.note{font:400 12.5px/1.7 var(--mono);color:var(--mut);border-left:3px solid var(--amber);padding:10px 0 10px 18px;margin-top:46px;max-width:88ch}

/* OEM sorgu bandı */
.oem-band{background:var(--steel-900);color:var(--inv);padding:64px 0}
.oem-band form{display:grid;grid-template-columns:1.5fr 1fr auto;gap:12px;margin-top:30px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font:500 10.5px var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--inv-2)}
.field input,.field select,.field textarea{background:var(--steel-800);border:1px solid var(--line-d);padding:15px 16px;color:var(--inv);font-size:.95rem}
.field input::placeholder,.field textarea::placeholder{color:var(--mut-2)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber);outline:none}
.oem-band .btn{align-self:end}

/* iletişim */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start}
.info-stack{display:grid;gap:14px}
.info-card{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--steel-800);padding:22px 22px 18px;transition:border-color .2s}
.info-card:hover{border-left-color:var(--amber)}
.info-card h3{font-size:1.05rem;margin-bottom:6px}
.info-card p,.info-card a{color:var(--mut);font-size:.94rem}
.info-card a:hover{color:var(--ink)}
.info-card .big{font:600 15px var(--mono);color:var(--ink);letter-spacing:.02em}
.form-plate{background:var(--steel-900);color:var(--inv);padding:38px 34px;clip-path:var(--cut)}
.form-plate .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.form-plate .field{margin-top:16px}
.form-plate .grid2 .field{margin-top:0}
.form-plate .btn{margin-top:26px;width:100%;justify-content:center}
.form-ok{margin-top:16px;font:500 13px/1.6 var(--mono);letter-spacing:.06em;color:var(--amber-2)}
.map-panel{margin-top:26px;border:1px solid var(--line);position:relative}
.map-panel svg{width:100%;height:auto;background:var(--paper-2)}
.map-panel .map-cta{position:absolute;left:20px;bottom:20px}
.hours{display:grid;grid-template-columns:1fr auto;gap:6px 20px;font:500 13px var(--mono)}
.hours dt{color:var(--mut)}
.hours dd{text-align:right}

/* motor mirası bandı */
.heritage{display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:center;border:1px solid var(--line-d);padding:40px;background:linear-gradient(120deg,rgba(245,163,0,.05),transparent 55%)}
.heritage .gicon{color:var(--amber)}
.heritage .gicon .st{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.heritage .gicon .st-soft{fill:none;stroke:var(--inv-2);stroke-width:2}
.heritage h3{font-size:1.7rem;margin-bottom:10px}
.heritage p{color:var(--inv-2);max-width:70ch}
.heritage .brands{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}

/* değer sayaçları (kurumsal) */
.figs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.figs .plate{text-align:left}
.figs b{display:block;font:800 44px/1 var(--disp);color:var(--ink)}
.figs small{font:500 10.5px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}

/* ---- duyarlılık ---- */
@media (max-width:1020px){
  .hero .wrap{grid-template-columns:1fr;gap:48px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats div:nth-child(3){border-left:0}
  .hero-stats div:nth-child(n+3){border-top:1px solid var(--line-d)}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .groups{grid-template-columns:1fr;max-width:560px}
  .why{grid-template-columns:repeat(2,1fr)}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid,.own-grid{grid-template-columns:1fr}
  .figs{grid-template-columns:repeat(2,1fr)}
  .vgroup .head{grid-template-columns:110px 1fr}
  .vgroup .head .tag{display:none}
}
@media (max-width:880px){
  .nav{position:fixed;inset:0;top:0;background:var(--steel-950);flex-direction:column;justify-content:center;align-items:center;gap:8px;
    opacity:0;pointer-events:none;transition:opacity .25s;z-index:60}
  .nav a{color:var(--inv-2);font-size:16px;padding:14px}
  .nav a.is-active{color:var(--amber)}
  .nav a.is-active::after{background:var(--amber);bottom:8px}
  .nav-open .nav{opacity:1;pointer-events:auto}
  .burger{display:grid;position:relative;z-index:70}
  .head-cta{display:none}
  .topbar .l{display:none}
  .topbar .wrap{justify-content:center}
}
@media (max-width:640px){
  .sec{padding:68px 0}
  .hero .wrap{padding:64px 0 72px}
  .pgrid,.why,.brand-grid,.figs{grid-template-columns:1fr}
  .oem-band form,.form-plate .grid2{grid-template-columns:1fr}
  .tl::before{left:8px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding-left:34px}
  .tl-item::before{left:2px}
  .tl-item .yr{text-align:left;color:var(--amber)}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .heritage{grid-template-columns:1fr}
  .fig{padding:18px 8px 12px}
}

/* ---- EN sayfalar ---- */
html[lang="en"] .ticker::before{content:"OEM CROSS REFERENCE LINE"}