/* ECU Exclusive — görsel ve hareket katmanı.
   Gerçek fotoğraf/video, kart ve sayfa başlıkları, marka ızgarası, kaydırma ile beliren bloklar.
   Kurallar: düğmelerde gradient/glow yok; fotoğraf üstü koyu perde serbest. prefers-reduced-motion'da hareket durur. */

/* ============ Ana sayfa: gerçek foto + egzoz alevi videosu ============ */
.hero { background-image: none; overflow: hidden; }
.hero::before { display: none; }
.hero__scene { position: relative; height: clamp(230px, 62vw, 380px); container-type: size; overflow: hidden; background: #0B0A0C; }
.hero__zoom { position: absolute; inset: 0; animation: kenburns 26s ease-in-out infinite alternate; transform-origin: 60% 60%; }
.hero__frame {
    position: absolute; right: 0; top: 50%;
    width: max(100cqw, 177.8cqh); aspect-ratio: 16 / 9;
    transform: translateY(-50%);
}
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__scene::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,10,12,1) 0%, rgba(11,10,12,0) 40%); }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.07); } }

@media (min-width: 900px) {
    .hero__scene { position: absolute; inset: 0; height: auto; }
    .hero__scene::after {
        background:
            linear-gradient(to right, rgba(11,10,12,.96) 0%, rgba(11,10,12,.86) 36%, rgba(11,10,12,.34) 72%, rgba(11,10,12,.12) 100%),
            linear-gradient(to top, rgba(11,10,12,.9) 0%, rgba(11,10,12,0) 28%);
    }
    .hero__in { position: relative; padding-top: 64px; padding-bottom: 64px; }
    .hero__title { max-width: 16ch; font-size: clamp(40px, 5.6vw, 68px); }
    .hero__lead { max-width: 44ch; color: #B9B5BE; }
    .hero__sel { background: rgba(11,10,12,.66); }
}
@media (max-width: 899px) { .hero__in { padding-top: 6px; } }

/* ============ Sayfa başlıklarında gerçek foto ============ */
.page-head--photo { position: relative; overflow: hidden; }
.page-head--photo > .container { position: relative; }
.page-head__bg { position: absolute; inset: 0; background: #0B0A0C; }
.page-head__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; animation: kenburns 30s ease-in-out infinite alternate; }
.page-head__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, rgba(11,10,12,.97) 0%, rgba(11,10,12,.8) 55%, rgba(11,10,12,.45) 100%); }
.page-head--photo { padding: 52px 0 44px; }
@media (min-width: 900px) { .page-head--photo { padding: 72px 0 60px; } }

/* ============ Hizmet kartı fotoğrafı ============ */
.card--service { overflow: hidden; }
.card__photo { display: block; height: 150px; overflow: hidden; margin: -24px -24px 18px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.card__photo img { width: 100%; height: 100%; object-fit: cover; opacity: .8; transition: transform .7s ease, opacity .3s; }
.card--service:hover .card__photo img { transform: scale(1.06); opacity: 1; }

/* ============ Marka ızgarası (hızlı erişim) ============ */
.bgrid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .bgrid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .bgrid { grid-template-columns: repeat(4, 1fr); gap: 14px; } .bgrid--all { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 1200px) { .bgrid--all { grid-template-columns: repeat(6, 1fr); } }
.btile {
    display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px;
    padding: 24px 12px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card);
    transition: border-color var(--t), background-color var(--t), transform .25s ease;
}
.btile__logo { width: 96px; height: 64px; border-radius: 10px; overflow: hidden; background: #fff; margin-bottom: 12px; display: grid; place-items: center; }
.btile__logo img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s ease; }
.btile__mono { font-family: var(--font-head); font-weight: 700; font-size: 22px; color: #0B0A0C; letter-spacing: .02em; }
.btile__name { font-family: var(--font-head); font-weight: 700; font-size: 16px; color: var(--text); transition: color var(--t); }
.btile__n { font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-dim); }
.btile:hover, .btile:focus-visible { border-color: var(--red); background: rgba(215, 0, 6, .07); transform: translateY(-3px); }
.btile:hover .btile__name, .btile:focus-visible .btile__name { color: var(--red-text); }
.btile:hover .btile__logo img { transform: scale(1.1); }
.bgrid__more { margin-top: 22px; }

/* ============ Model kartları ============ */
.mgrid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .mgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .mgrid { grid-template-columns: repeat(3, 1fr); gap: 14px; } }
@media (min-width: 1200px) { .mgrid { grid-template-columns: repeat(4, 1fr); } }
.mcard {
    position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: 22px; min-height: 118px;
    padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card);
    transition: border-color var(--t), background-color var(--t), transform .25s ease;
}
.mcard__name { font-family: var(--font-head); font-weight: 600; font-size: 20px; line-height: 1.15; }
.mcard__go { font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-dim); transition: color var(--t); }
.mcard__tag { position: absolute; top: 14px; right: 14px; font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--red-text); border: 1px solid var(--border); padding: 2px 7px; border-radius: var(--r-btn); }
.mcard--pop .mcard__name { padding-right: 70px; }
.mcard:hover, .mcard:focus-visible { border-color: var(--red); background: rgba(215, 0, 6, .07); transform: translateY(-3px); }
.mcard:hover .mcard__name { color: var(--red-text); }
.mcard:hover .mcard__go { color: var(--text); }
.brandbar { display: flex; align-items: center; gap: 18px; margin-bottom: 14px; }
.brandbar .btile__logo { margin: 0; width: 108px; height: 72px; }
.subhead { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 34px 0 16px; }
.subhead:first-child { margin-top: 0; }
.subhead__t { font-size: 20px; }
.subhead__n { font-size: 12px; color: var(--text-dim); letter-spacing: 1.2px; text-transform: uppercase; }

/* ============ Nesil / motor kartları (model sayfası) ============ */
.gen { scroll-margin-top: 90px; padding-top: 6px; }
.gen + .gen { margin-top: 40px; }
.gen__t { display: flex; align-items: center; gap: 14px; font-size: 22px; margin-bottom: 16px; }
.gen__t::before { content: ""; width: 3px; height: 22px; background: var(--red); }
.egrid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .egrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .egrid { grid-template-columns: repeat(3, 1fr); gap: 14px; } }
.ecard { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card); transition: border-color var(--t), transform .25s ease; }
.ecard__h { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 18px 0; }
.ecard__t { font-family: var(--font-head); font-weight: 600; font-size: 18px; }
.ecard__fuel { font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border); padding: 2px 7px; border-radius: var(--r-btn); white-space: nowrap; }
.ecard__box { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 18px; padding: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-btn); }
.ecard__l { display: block; font-size: 10px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 4px; }
.ecard__v { font-family: var(--font-head); font-weight: 600; font-size: 22px; line-height: 1; }
.ecard__v small { font-size: 12px; font-weight: 500; color: var(--text-dim); margin-left: 3px; }
.ecard__f { margin-top: auto; padding: 12px 18px; border-top: 1px solid var(--line); font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--red-text); }
.ecard:hover, .ecard:focus-visible { border-color: var(--red); transform: translateY(-3px); }

/* ============ "Gücü yazılım belirler": motor fotoğrafı + tarayan çizgi + işaretler ============ */
.engine { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .engine { grid-template-columns: .9fr 1.1fr; gap: 56px; } }
.engine__fig { position: relative; border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; background: #000; aspect-ratio: 3 / 2; }
.engine__fig img { width: 100%; height: 100%; object-fit: cover; animation: kenburns 24s ease-in-out infinite alternate; }
.engine__scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--red); opacity: .85; animation: scan 4.8s ease-in-out infinite; }
@keyframes scan { 0% { transform: translateY(0); opacity: 0; } 8% { opacity: .85; } 92% { opacity: .85; } 100% { transform: translateY(var(--h, 420px)); opacity: 0; } }
.spot { position: absolute; left: var(--x); top: var(--y); }
.spot__dot { position: absolute; left: -6px; top: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--red); border: 2px solid #fff; }
.spot__dot::after { content: ""; position: absolute; inset: -9px; border-radius: 50%; border: 1px solid var(--red-text); animation: ping 2.2s ease-out infinite; animation-delay: var(--dl, 0s); }
@keyframes ping { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.7); opacity: 0; } }
.spot__lbl { position: absolute; left: 14px; top: -11px; white-space: nowrap; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; background: rgba(11,10,12,.88); border: 1px solid var(--border); padding: 3px 8px; border-radius: var(--r-btn); }
.spot--l .spot__lbl { left: auto; right: 14px; }
.engine__body .lead { margin-bottom: 26px; }

/* ============ Girişte beliren bloklar ============ */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .btile.reveal.is-in:hover, .js .mcard.reveal.is-in:hover, .js .ecard.reveal.is-in:hover { transform: translateY(-3px); transition-delay: 0s; }

/* başlık altı kırmızı çizgi soldan uzar */
.section__title { position: relative; }
.js .section__title::after { content: ""; display: block; height: 2px; width: 0; background: var(--red); margin-top: 14px; transition: width .8s ease .2s; }
.js .section__title.is-in::after { width: 56px; }

/* Michroma'da % işareti okunaksız; yalnızca bu glif başlık fontuyla çizilir */
.pct { font-family: var(--font-head); font-weight: 600; }

/* ============ Dyno eğrisi soldan sağa kendini çizer ============ */
.js .dyno__line { clip-path: inset(-4px 100% -4px -4px); animation: dyno-draw 1.5s ease-out .15s forwards; }
.js .dyno__line--new { animation-duration: 1.8s; animation-delay: .35s; }
@keyframes dyno-draw { to { clip-path: inset(-4px -4px -4px -4px); } }

/* sonuç kutularında kazanç sayıları belirir */
.gain__d { animation: gain-pop .7s ease-out both; }
@keyframes gain-pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ============ Hareket azaltma tercihi ============ */
@media (prefers-reduced-motion: reduce) {
    .hero__zoom, .page-head__bg img, .engine__fig img, .engine__scan, .spot__dot::after, .dyno__line, .gain__d { animation: none !important; }
    .engine__scan { display: none; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .js .dyno__line { clip-path: none; }
    .js .section__title::after { width: 56px; transition: none; }
    .btile, .mcard, .ecard, .card__photo img { transition: none; }
}


/* ============ Tema: soluk karbon fiber zemin, daha cesur başlık ve düğmeler ============ */
:root {
    --text: #F6F4F4;
    --text-dim: #ABA7B2;
    --red: #E10A12;
    --red-light: #F0161D;
    --red-text: #FF4A50;
    --carbon: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><defs><linearGradient id='a' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%2317151a'/><stop offset='1' stop-color='%230b0a0d'/></linearGradient><linearGradient id='b' x1='1' y1='0' x2='0' y2='1'><stop offset='0' stop-color='%230b0a0d'/><stop offset='1' stop-color='%2317151a'/></linearGradient></defs><rect width='10' height='10' fill='%230b0a0c'/><rect width='5' height='5' fill='url(%23a)'/><rect x='5' y='5' width='5' height='5' fill='url(%23a)'/><rect x='5' width='5' height='5' fill='url(%23b)'/><rect y='5' width='5' height='5' fill='url(%23b)'/></svg>");
    --carbon-2: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><defs><linearGradient id='a' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%231d1b21'/><stop offset='1' stop-color='%23100f13'/></linearGradient><linearGradient id='b' x1='1' y1='0' x2='0' y2='1'><stop offset='0' stop-color='%23100f13'/><stop offset='1' stop-color='%231d1b21'/></linearGradient></defs><rect width='10' height='10' fill='%23121015'/><rect width='5' height='5' fill='url(%23a)'/><rect x='5' y='5' width='5' height='5' fill='url(%23a)'/><rect x='5' width='5' height='5' fill='url(%23b)'/><rect y='5' width='5' height='5' fill='url(%23b)'/></svg>");
}
body { background: #0B0A0C var(--carbon) 0 0 / 10px 10px; }
.topbar { background: #070608 var(--carbon) 0 0 / 10px 10px; }
.section--alt { background: #121015 var(--carbon-2) 0 0 / 10px 10px; }
.site-footer { background: #070608 var(--carbon) 0 0 / 10px 10px; }

/* başlıklar */
h1, h2, h3 { font-weight: 700; color: #fff; letter-spacing: -.012em; }
.hero__title, .page-head__title { font-weight: 700; text-shadow: 0 2px 18px rgba(0,0,0,.65); }
.section__title { font-size: clamp(28px, 5vw, 46px); }
.card__t, .why__item h3, .step h3 { font-weight: 700; }
.eyebrow { font-weight: 600; letter-spacing: 2px; color: var(--red-text); }
.stat__v { color: #fff; }
.lead, .hero__lead { color: #C9C5CF; }
.nav li a { font-weight: 600; color: #D6D2DB; }
.nav li a:hover, .nav li a[aria-current="page"] { color: #fff; }

/* düğmeler: kalın, büyük harf, köşesi kesik (yarış plakası hissi) */
.btn {
    font-family: var(--font-head); font-weight: 700; font-size: 14px; letter-spacing: .09em; text-transform: uppercase;
    min-height: 50px; padding: 0 28px; border-radius: 0; position: relative;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    transition: background-color var(--t), color var(--t), transform .2s ease;
}
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: #fff; color: var(--red); transform: translateY(-2px); }
.btn--secondary, .btn--ghost { background: rgba(255,255,255,.08); border: 0; box-shadow: inset 0 0 0 2px rgba(255,255,255,.55); color: #fff; }
.btn--secondary:hover, .btn--ghost:hover { background: #fff; color: #0B0A0C; box-shadow: none; transform: translateY(-2px); }
.btn--sm { min-height: 40px; padding: 0 18px; font-size: 12.5px; clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px)); }
.btn--wa { clip-path: none; border-radius: 4px; }
.link-arrow { font-weight: 600; color: #fff; border-bottom: 2px solid var(--red); }
.link-arrow:hover { color: var(--red-text); }

@media (min-width: 900px) and (max-width: 1199px) {
    .nav__cta.btn { padding: 0 16px; font-size: 12px; letter-spacing: .06em; min-height: 42px; }
    .nav li a { font-size: 11px; padding: 8px 4px; }
    .nav ul { gap: 0; }
    .nav { gap: 8px; }
}
@media (min-width: 900px) { .hero__sel { background: rgba(11,10,12,.55); } }
.mcard__go, .ecard__f { font-weight: 600; }
.mcard__go { color: #D6D2DB; }
.ecard__f { color: var(--red-text); }

/* Marka logoları: çerçevesiz, doğrudan zemin üzerinde; karo ince kırmızı çerçeveli */
.btile { border: 1px solid rgba(225, 10, 18, .55); background: rgba(11, 10, 12, .55); }
.btile__logo { width: 100%; height: 72px; background: none; border-radius: 0; overflow: visible; margin-bottom: 14px; }
.btile__logo img { width: auto; height: auto; max-width: 132px; max-height: 72px; padding: 0; object-fit: contain; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.btile__mono { width: 64px; height: 64px; display: grid; place-items: center; border: 1.5px solid rgba(255,255,255,.7); border-radius: 50%; color: #fff; }
.btile:hover, .btile:focus-visible { border-color: var(--red); background: rgba(225, 10, 18, .1); }
.brandbar .btile__logo { width: auto; height: 84px; margin: 0; }
.brandbar .btile__logo img { max-width: 160px; max-height: 84px; }

/* Model kartları: üstte küçük logo + etiket, ortada marka/model, altta bağlantı */
.mcard { gap: 14px; min-height: 148px; padding: 16px 18px 18px; border-color: rgba(225, 10, 18, .35); }
.mcard__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 36px; }
.mcard__logo { width: auto; height: auto; max-width: 64px; max-height: 36px; object-fit: contain; filter: drop-shadow(0 2px 5px rgba(0,0,0,.5)); }
.mcard__mono { display: grid; place-items: center; width: 34px; height: 34px; border: 1.5px solid rgba(255,255,255,.7); border-radius: 50%; font: 700 12px var(--font-head); color: #fff; }
.mcard__tag { position: static; flex: none; white-space: nowrap; font-size: 9.5px; font-weight: 700; letter-spacing: 1px; padding: 3px 7px; color: #fff; background: var(--red); border: 0; border-radius: 2px; }
.mcard__name { display: block; font-size: 22px; font-weight: 700; line-height: 1.15; color: #fff; overflow-wrap: anywhere; }
.mcard__brand { display: block; margin-bottom: 3px; font-size: 11px; font-weight: 500; letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-dim); }
.mcard--pop .mcard__name { padding-right: 0; }
.mcard:hover .mcard__brand { color: #fff; }
.mcard:hover { border-color: var(--red); }

/* Fotoğraflı model kartı: araç kartın üst alanını tam kaplar, alt kenarı zemine erir */
.mcard--photo { padding-top: 0; overflow: hidden; }
.mcard__car { display: block; position: relative; margin: 0 -18px; aspect-ratio: 16 / 9; overflow: hidden;
    -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent 100%); mask-image: linear-gradient(to bottom, #000 72%, transparent 100%); }
.mcard__car img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); transform-origin: 55% 60%; transition: transform .6s ease; }
.mcard--photo:hover .mcard__car img { transform: scale(1.2) translateX(-2%); }
.mcard--photo .mcard__top { position: absolute; top: 12px; left: 16px; right: 14px; z-index: 1; }
.mcard--photo .mcard__name { margin-top: -26px; position: relative; }
.mcard__car img { transform: scale(1.03); transform-origin: 50% 60%; }
.mcard--photo:hover .mcard__car img { transform: scale(1.12) translateX(-2%); }
.mcard--photo .mcard__logo { max-height: 26px; max-width: 48px; }
.mcard--photo .mcard__top { top: 10px; }
.mcard__car img { transform: scale(1.14); transform-origin: 50% 62%; }
.mcard--photo:hover .mcard__car img { transform: scale(1.24); }

/* ---- Menü: "Chip Tuning Hesapla" etrafında dönen kırmızı çizgi ---- */
.nav__calc { position: relative; display: inline-flex; align-items: center; font-weight: 800; color: #fff; }
.nav__calc span { position: relative; z-index: 1; }
.nav__run { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.nav__run rect { x: 0; y: 0; width: 100%; height: 100%; fill: rgba(225, 10, 18, .12); stroke: var(--red); stroke-width: 2; stroke-dasharray: 20 80; stroke-linecap: square; animation: navrun 2.4s linear infinite; }
.nav__calc::before { content: ""; position: absolute; inset: 0; border: 1px solid rgba(225, 10, 18, .5); pointer-events: none; }
@media (min-width: 900px) { .nav__calc { padding: 8px 10px !important; margin: 0 2px; } }
@keyframes navrun { to { stroke-dashoffset: -100; } }

/* ---- Hesaplama sayfası: dinamometre videosu + hesap paneli ---- */
.page-head__vid { width: 100%; height: 100%; object-fit: cover; opacity: .6; }
.page-head--calc { padding-bottom: 56px; }
.calc-head { display: grid; gap: 28px; align-items: end; }
.calc-hud { background: rgba(11, 10, 12, .72); border: 1px solid rgba(225, 10, 18, .6); border-radius: var(--r-card); padding: 18px 20px; }
.calc-hud__label { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: #fff; font-weight: 700; }
.calc-hud__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--red); animation: hudblink 1s steps(2) infinite; }
.calc-hud__steps { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 9px; }
.calc-hud__steps li { display: flex; gap: 12px; font-size: 13px; color: var(--text-dim); opacity: .35; animation: hudstep 6s linear infinite; }
.calc-hud__steps li:nth-child(2) { animation-delay: 1.5s; } .calc-hud__steps li:nth-child(3) { animation-delay: 3s; } .calc-hud__steps li:nth-child(4) { animation-delay: 4.5s; }
.calc-hud__n { color: var(--red-text); font-weight: 700; }
.calc-hud__bar { height: 4px; background: rgba(255,255,255,.12); overflow: hidden; }
.calc-hud__bar i { display: block; height: 100%; width: 100%; background: var(--red); transform-origin: left; animation: hudbar 6s linear infinite; }
@keyframes hudblink { 50% { opacity: .2; } }
@keyframes hudstep { 0% { opacity: .35; color: var(--text-dim); } 4%, 24% { opacity: 1; color: #fff; } 28%, 100% { opacity: .35; color: var(--text-dim); } }
@keyframes hudbar { 0% { transform: scaleX(0); } 100% { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .nav__run rect, .calc-hud__dot, .calc-hud__steps li, .calc-hud__bar i { animation: none !important; } .calc-hud__steps li { opacity: 1; } .calc-hud__bar i { transform: none; } }

.page-head--calc .page-head__vid { opacity: .95; filter: saturate(1.1) contrast(1.05); }
.page-head--calc .page-head__bg::after { background: linear-gradient(to right, rgba(11,10,12,.92) 0%, rgba(11,10,12,.55) 55%, rgba(11,10,12,.25) 100%); }

/* ---- Marka blokları: her marka bir kart; üstte logo + ad + "Tümünü gör", altında en çok tercih edilen 4 model ---- */
.bblocks { display: grid; gap: 26px; }
.bblock { padding: 18px; border: 1px solid rgba(225, 10, 18, .4); border-radius: var(--r-card); background: rgba(11, 10, 12, .6); }
.bblock__head { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 18px; margin-bottom: 16px; }
.bblock__logo { display: grid; place-items: center; width: 76px; height: 52px; }
.bblock__logo img { max-width: 76px; max-height: 52px; object-fit: contain; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.bblock__title { margin: 0; font-family: var(--font-head); font-weight: 800; font-size: clamp(24px, 3.2vw, 34px); line-height: 1; color: #fff; text-transform: uppercase; letter-spacing: .01em; }
.bblock__n { margin-left: -6px; font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-dim); }
.bblock__all { display: inline-block; margin-left: 10px; font-family: var(--font-head); font-weight: 700; font-size: 13px; letter-spacing: .09em; text-transform: uppercase; color: #fff; padding: 12px 18px; background: var(--red); clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%); transition: background-color var(--t), color var(--t); }
.bblock__all:hover, .bblock__all:focus-visible { background: #fff; color: var(--red); }
.bblock__cards { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .bblock__cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .bblock__cards { grid-template-columns: repeat(4, 1fr); } }
.bblock .mcard--photo .mcard__car img { transform: scale(1.1); }
.bblock .mcard--photo:hover .mcard__car img { transform: scale(1.2); }

/* Fotoğrafı olmayan model kartı: marka logosu ortada, soluk */
.mcard__car--ph { display: grid; place-items: center; background: radial-gradient(ellipse at 50% 60%, rgba(225, 10, 18, .16), rgba(11, 10, 12, 0) 70%); }
.mcard__car--ph img, .mcard__car--ph .mcard__ph-mono { transform: none !important; width: auto; height: auto; max-width: 46%; max-height: 52%; opacity: .55; object-fit: contain; }
.mcard__ph-mono { font: 800 40px var(--font-head); color: #fff; }

/* Chip Tuning Hesapla: üst banner arka planı */
.page-head--calc .page-head__bg { background: radial-gradient(ellipse at 30% 90%, rgba(225,10,18,.12), transparent 60%), #0B0A0C; }
@media (min-width: 900px) {
    .page-head--calc { min-height: 560px; display: flex; align-items: center; }
    .page-head--calc > .container { width: 100%; }
}