/* EF Teknoloji — site stili (2026) */
:root {
  --brand: #00a3da;
  --brand-dark: #0086b8;
  --brand-soft: #e6f6fc;
  --navy: #0f2233;
  --ink: #1c2833;
  --muted: #5f6f7c;
  --line: #e3e8ec;
  --bg: #ffffff;
  --bg-alt: #f4f7f9;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(15, 34, 51, .08);
  --shadow-hover: 0 14px 34px rgba(15, 34, 51, .14);
  --container: 1200px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); text-decoration: none; }
a:hover { color: var(--brand); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; color: var(--navy); font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .95em; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 860px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.ic { width: 1em; height: 1em; vertical-align: -.15em; margin-right: .4em; flex: none; }
.skip { position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff; padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }

/* Butonlar */
.btn { display: inline-flex; align-items: center; gap: .4rem; background: var(--brand); color: #fff; font-weight: 600; padding: .75rem 1.4rem; border-radius: 999px; border: 2px solid var(--brand); cursor: pointer; font-family: inherit; font-size: 1rem; transition: background .2s, transform .15s, box-shadow .2s; }
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(0, 163, 218, .3); }
.btn .ic { margin: 0; width: 1.1em; height: 1.1em; }
.btn--sm { padding: .5rem 1.05rem; font-size: .9rem; }
.btn--lg { padding: .95rem 1.8rem; font-size: 1.05rem; }
.btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .7); }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; box-shadow: none; }
.btn--ghost-dark { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--ghost-dark:hover { background: var(--bg-alt); color: var(--navy); box-shadow: none; }
.btn--light { background: #fff; color: var(--brand-dark); border-color: #fff; }
.btn--light:hover { background: var(--brand-soft); border-color: var(--brand-soft); color: var(--brand-dark); }
.link { font-weight: 600; color: var(--brand-dark); display: inline-flex; align-items: center; gap: .3rem; }
.link .ic { margin: 0; transition: transform .2s; }
.link:hover .ic { transform: translateX(3px); }

/* Üst bar */
.topbar { background: var(--navy); color: #cfd8e0; font-size: .85rem; }
.topbar__in { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 1rem; }
.topbar a { color: #cfd8e0; display: inline-flex; align-items: center; }
.topbar a:hover { color: #fff; }
.topbar__contact { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.topbar__right { display: flex; gap: 1rem; align-items: center; }
.topbar .lang { font-weight: 600; color: #fff; border: 1px solid rgba(255, 255, 255, .3); border-radius: 999px; padding: .1rem .7rem; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: #fff; backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--line); }
.header__in { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .6rem; color: var(--navy); flex-shrink: 0; white-space: nowrap; }
.logo img { width: 56px; height: auto; }
.logo__text { font-size: 1.25rem; font-weight: 500; letter-spacing: -.01em; }
.logo__text strong { color: var(--brand); font-weight: 800; }
.nav__list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .1rem; }
.nav__list > li { position: relative; }
.nav__list > li > a { display: block; white-space: nowrap; padding: .65rem .85rem; font-weight: 500; color: var(--ink); border-radius: 8px; font-size: .97rem; }
.nav__list > li > a:hover, .nav__list > li > a.active { color: var(--brand-dark); background: var(--brand-soft); }
.nav__cta { margin-left: .5rem; }
.nav__cta a.btn { color: #fff; white-space: nowrap; }
.nav__cta a.btn:hover { background: var(--brand-dark); }
.sub-toggle { display: none; }
.has-sub .sub { position: absolute; top: 100%; left: 0; min-width: 300px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-hover); list-style: none; margin: 0; padding: .5rem; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s; }
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: translateY(0); }
.has-sub .sub a { display: block; padding: .6rem .8rem; border-radius: 8px; color: var(--ink); font-size: .95rem; }
.has-sub .sub a:hover { background: var(--brand-soft); color: var(--brand-dark); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s; border-radius: 2px; }

/* Hero */
.hero { position: relative; min-height: 560px; display: flex; align-items: center; color: #fff; overflow: hidden; background: var(--navy); }
.hero__slides, .hero__slide { position: absolute; inset: 0; }
.hero__slide { background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; transform: scale(1.04); }
.hero__slide.is-active { opacity: 1; transform: scale(1); transition: opacity 1.2s ease, transform 7s linear; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15, 34, 51, .85) 0%, rgba(15, 34, 51, .6) 55%, rgba(15, 34, 51, .25) 100%); }
.hero__content { position: relative; padding-top: 70px; padding-bottom: 80px; max-width: var(--container); }
.hero__kicker { text-transform: uppercase; letter-spacing: .18em; font-size: .8rem; font-weight: 600; color: #8fdcf5; margin-bottom: 1rem; }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3.3rem); max-width: 720px; font-weight: 800; }
.hero__text { max-width: 600px; font-size: 1.1rem; color: #dbe6ee; margin-bottom: 2rem; }
.hero__actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero__dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero__dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .45); cursor: pointer; padding: 0; }
.hero__dots button.is-active { background: #fff; width: 26px; border-radius: 6px; }

/* Bölümler */
.section { padding: 64px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.section__head h2 { margin: 0; }
.section__head--center { justify-content: center; text-align: center; }
.grid { display: grid; gap: 24px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* Kartlar */
.card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--ink); transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; color: var(--ink); }
.card__img { aspect-ratio: 4 / 3; background: #f1f4f6; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card__img img { transform: scale(1.04); }
.card__img--tall { aspect-ratio: 3 / 4; }
.card__img--contain { background: #fff; padding: 14px; border-bottom: 1px solid var(--line); }
.card__img--contain img { object-fit: contain; }
.card__body { padding: 1rem 1.1rem 1.15rem; display: flex; flex-direction: column; gap: .3rem; flex: 1; }
.card__body h3 { margin: 0; font-size: 1.02rem; }
.card__meta { font-size: .85rem; color: var(--muted); }
.card--cat h3 { color: var(--navy); }
.card--wide { flex-direction: row; }
.card--wide .card__img { width: 42%; aspect-ratio: auto; min-height: 200px; }
.card--wide .card__body { justify-content: center; padding: 1.5rem; }
.card--wide h3 { font-size: 1.25rem; }
.card--product .card__body { text-align: center; }
.card--product h3 { font-size: .95rem; font-weight: 600; }

/* Özellikler */
.feature { background: #fff; border-radius: var(--radius); padding: 1.6rem; border: 1px solid var(--line); }
.feature__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 800; display: grid; place-items: center; margin-bottom: 1rem; }
.feature h3 { font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Referans logoları */
.logos { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.logos--grid { grid-template-columns: repeat(5, 1fr); }
.logos__item { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; }
.logos__item img { height: 64px; width: auto; object-fit: contain; }
.logos__item figcaption { font-size: .8rem; color: var(--muted); }
.ref-list { columns: 3; column-gap: 40px; list-style: none; margin: 0; padding: 0; font-size: .92rem; }
.ref-list li { padding: .35rem 0; border-bottom: 1px dashed var(--line); break-inside: avoid; color: var(--ink); }

/* CTA bandı */
.cta-band { background: linear-gradient(120deg, var(--brand-dark), var(--brand)); color: #fff; padding: 48px 0; }
.cta-band__in { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: .3rem; }
.cta-band p { margin: 0; color: #e6f6fc; max-width: 600px; }

/* Sayfa başlığı */
.page-head { background: var(--navy); color: #fff; padding: 40px 0 44px; background-image: radial-gradient(circle at 85% 20%, rgba(0, 163, 218, .35), transparent 45%); }
.page-head h1 { color: #fff; margin: 0; }
.page-head__intro { color: #cfd8e0; max-width: 760px; margin: .8rem 0 0; }
.breadcrumb { font-size: .85rem; color: #8ea3b5; margin-bottom: .8rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.breadcrumb a { color: #b9c9d6; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .current { color: #fff; }

/* Hakkımızda */
.about { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.prose { font-size: 1.03rem; }
.prose p { margin-bottom: 1.1em; }
.prose h4 { margin-top: 1.6em; font-size: 1.05rem; color: var(--navy); }
.prose ul { padding-left: 0; list-style: none; margin: 0 0 1.2em; }
.prose ul li { position: relative; padding-left: 1.6em; margin: .35em 0; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .5em; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); }
.prose img { margin: 1em 0; border-radius: 8px; }
.about__side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--bg-alt); border-radius: var(--radius); padding: 1.3rem; text-align: center; }
.stat strong { display: block; font-size: 2rem; color: var(--brand-dark); line-height: 1.1; }
.stat span { font-size: .85rem; color: var(--muted); }

/* İletişim */
.contact { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; }
.contact__map iframe { width: 100%; height: 100%; min-height: 420px; border: 0; border-radius: var(--radius); }
.contact__info h3 { margin-top: 1.4rem; font-size: 1rem; }
.contact__info address { font-style: normal; }
.contact__info address p { display: flex; gap: .4rem; margin: .4rem 0; }
.iban { list-style: none; padding: 0; margin: 0; }
.iban li { padding: .3rem 0; }
.iban code { background: var(--bg-alt); padding: .15rem .5rem; border-radius: 6px; }

/* Form */
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.form label { display: block; margin-bottom: 1rem; }
.form label span { display: block; font-size: .85rem; font-weight: 600; color: var(--navy); margin-bottom: .35rem; }
.form input, .form textarea { width: 100%; font: inherit; padding: .75rem .9rem; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfd; transition: border-color .15s, box-shadow .15s; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0, 163, 218, .18); background: #fff; }
.form__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form__foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form__foot small { color: var(--muted); }
.form__status { margin: 1rem 0 0; font-weight: 600; min-height: 1.4em; }
.form__status.ok { color: #157347; }
.form__status.err { color: #b02a37; }

/* Ürünler */
.with-sidebar { display: grid; grid-template-columns: 270px 1fr; gap: 40px; align-items: start; }
.sidebar { position: sticky; top: 92px; background: var(--bg-alt); border-radius: var(--radius); padding: 1.3rem; }
.sidebar h3 { font-size: 1rem; margin-bottom: .8rem; }
.sidebar h3 a { color: var(--navy); }
.sidebar__list { list-style: none; margin: 0; padding: 0; }
.sidebar__list a { display: flex; justify-content: space-between; align-items: center; padding: .55rem .7rem; border-radius: 8px; color: var(--ink); font-size: .93rem; }
.sidebar__list a span { font-size: .75rem; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 0 .5rem; color: var(--muted); }
.sidebar__list a:hover, .sidebar__list a.active { background: #fff; color: var(--brand-dark); box-shadow: var(--shadow); }
.sidebar__list a.active { font-weight: 600; }
.sidebar__cta { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .9rem; }
.sidebar__cta p { color: var(--muted); margin-bottom: .6rem; }
.brand-header { margin-bottom: 1.5rem; max-height: 90px; width: auto; }
.product__top { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; margin-bottom: 2.5rem; }
.gallery__main { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; cursor: zoom-in; }
.gallery__main img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }
.gallery__thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery__thumbs button { width: 68px; height: 68px; border: 2px solid var(--line); border-radius: 8px; background: #fff; padding: 4px; cursor: pointer; }
.gallery__thumbs button img { width: 100%; height: 100%; object-fit: contain; }
.gallery__thumbs button.is-active, .gallery__thumbs button:hover { border-color: var(--brand); }
.product__brand { max-height: 60px; width: auto; margin-bottom: 1rem; }
.product__title { font-size: 1.6rem; }
.product__summary .btn { margin: .8rem 0 1.4rem; }
.product__contact { list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: .95rem; }
.product__contact li { display: flex; align-items: center; margin: .3rem 0; }
.product__desc, .product__videos { border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 1rem; }
.videos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.video { aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; }
.video iframe { width: 100%; height: 100%; border: 0; }
.lightbox { position: fixed; inset: 0; background: rgba(10, 20, 30, .92); z-index: 100; display: grid; place-items: center; padding: 40px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: 8px; background: #fff; }
.lightbox button { position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 0; border-radius: 50%; width: 48px; height: 48px; font-size: 2rem; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.lightbox button:hover { background: rgba(255, 255, 255, .25); }
.lightbox__close { top: 18px; right: 18px; }
.lightbox__close .ic { margin: 0; width: 24px; height: 24px; }
.lightbox__prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 18px; top: 50%; transform: translateY(-50%); }

/* Footer */
.footer { position: relative; overflow: hidden; background: var(--navy); color: #b9c9d6; padding-top: 56px; text-shadow: 0 1px 3px rgba(0, 0, 0, .55); }
.footer__map { position: absolute; inset: 0; z-index: 0; background: #1d3a55 url(/assets/img/footer-map.jpg) 90% 74% / cover no-repeat; }
.footer__map::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(15, 34, 51, .96) 0%, rgba(15, 34, 51, .85) 32%, rgba(15, 34, 51, .55) 55%, rgba(15, 34, 51, .25) 75%, rgba(15, 34, 51, .15) 100%); }
.footer__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr 1fr .9fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }
.footer__logo { margin-bottom: 1rem; background: #fff; padding: 8px 10px; border-radius: 10px; width: 72px; height: auto; }
.footer__about { font-size: .92rem; }
.footer__social { color: #fff; font-size: .9rem; display: inline-flex; align-items: center; }
.footer__links { list-style: none; margin: 0; padding: 0; }
.footer__links a { color: #b9c9d6; display: block; padding: .28rem 0; font-size: .93rem; }
.footer__links a:hover { color: #fff; }
.footer__addr { font-style: normal; font-size: .92rem; }
.footer__addr p { display: flex; gap: .3rem; margin: .4rem 0; }
.footer__addr a { color: #fff; }
.footer__pin { margin-top: 20px; display: flex; align-items: center; gap: 14px; }
.footer__pin .pin { display: none; }
.map-pin { position: absolute; left: 90%; top: 74%; width: 44px; height: 44px; margin: -22px 0 0 -22px; z-index: 2; pointer-events: auto; display: block; }
.map-pin .pin__dot { animation: pin-blink 1.6s ease-in-out infinite; }
@keyframes pin-blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
.pin { position: relative; width: 44px; height: 44px; flex: none; display: block; }
.pin__ring { position: absolute; inset: 0; border-radius: 50%; background: rgba(0, 163, 218, .3); animation: pin-pulse 2.2s ease-out infinite; }
.pin__ring--2 { animation-delay: 1.1s; }
.pin__dot { position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%; background: var(--brand); border: 3px solid #fff; box-shadow: 0 0 0 3px rgba(0, 163, 218, .5), 0 4px 12px rgba(0, 0, 0, .5); }
@keyframes pin-pulse { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(1.35); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pin__ring, .map-pin .pin__dot { animation: none; opacity: .6; transform: scale(1); } }
.btn-dir { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--navy); font-weight: 600; font-size: .9rem; padding: 10px 18px; border-radius: 999px; text-decoration: none; text-shadow: none; box-shadow: 0 6px 18px rgba(0, 0, 0, .35); transition: transform .15s, box-shadow .15s; }
.btn-dir:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(0, 0, 0, .45); color: var(--navy); }
.btn-dir .ic { width: 16px; height: 16px; margin: 0; }
.footer__bottom { position: relative; z-index: 1; border-top: 1px solid rgba(255, 255, 255, .12); padding: 18px 0; font-size: .82rem; color: #a9bccb; background: rgba(15, 34, 51, .55); }
.footer__bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; }
.footer__credit { font-size: .72rem; color: #7f96a8; }

/* Duyarlı */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .logos, .logos--grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .map-pin { display: none; }
  .footer__pin .pin { display: block; }
  .footer__map::after { background: linear-gradient(180deg, rgba(15, 34, 51, .9) 0%, rgba(15, 34, 51, .8) 50%, rgba(15, 34, 51, .55) 100%); }
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .about { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .product__top { grid-template-columns: 1fr; }
  .card--wide .card__img { width: 38%; }
  .nav__list > li > a { padding: .6rem .6rem; font-size: .92rem; }
}
/* Menü daraltma (hamburger) eşiği: 1024px */
@media (max-width: 1024px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-hover); display: none; max-height: calc(100vh - 120px); overflow: auto; }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; padding: .6rem 12px 1rem; gap: 0; }
  .nav__list > li > a { padding: .8rem .6rem; font-size: 1rem; }
  .nav__cta { margin: .6rem 0 0; }
  .nav__cta .btn { width: 100%; justify-content: center; }
  .has-sub { display: grid; grid-template-columns: 1fr 44px; align-items: center; }
  .sub-toggle { display: block; width: 44px; height: 44px; border: 0; background: none; position: relative; cursor: pointer; }
  .sub-toggle::before { content: "+"; font-size: 1.5rem; color: var(--muted); }
  .sub-toggle[aria-expanded="true"]::before { content: "−"; }
  .has-sub .sub { position: static; grid-column: 1 / -1; display: none; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: var(--bg-alt); border-radius: 8px; padding: .3rem; min-width: 0; }
  .has-sub .sub.is-open { display: block; }
  .nav__search { margin: .5rem 0; } .search input, .search input:focus { width: 100%; } .search__results { width: 100%; }
}
@media (max-width: 768px) {
  .topbar__contact a:last-child { display: none; }
  .hero { min-height: 480px; }
  .hero__content { padding-top: 56px; padding-bottom: 70px; }
  .section { padding: 44px 0; }
  .section__head { flex-direction: column; align-items: flex-start; gap: .4rem; }
  .grid--3, .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .card--wide { flex-direction: column; }
  .card--wide .card__img { width: 100%; aspect-ratio: 16 / 9; min-height: 0; }
  .ref-list { columns: 2; }
  .form__row { grid-template-columns: 1fr; }
  .form { padding: 1.3rem; }
  .videos { grid-template-columns: 1fr; }
  .about__side { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .logos, .logos--grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .ref-list { columns: 1; }
  .logo__text { display: none; }
  .hero h1 { font-size: 1.9rem; }
  .lightbox { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .hero__slide.is-active { transform: none; }
}

/* Açıklama tabloları */
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; font-size: .95rem; }
.prose td, .prose th { border: 1px solid var(--line); padding: .5rem .7rem; vertical-align: top; text-align: left; }
.prose tr:nth-child(even) td { background: var(--bg-alt); }
.prose th { background: var(--brand-soft); color: var(--navy); }
.iban code { word-break: break-all; }
@media (max-width: 1024px) {
  .with-sidebar .sidebar { order: 2; }
  .with-sidebar > :not(.sidebar) { order: 1; }
}

/* Spam koruması alanı */
.form__captcha { max-width: 260px; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Yüzen "başa dön" düğmesi */
.to-top { position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--brand); color: #fff; cursor: pointer; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0, 163, 218, .35); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .25s, transform .25s, visibility .25s, background .2s; z-index: 60; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand-dark); }
.to-top svg { width: 22px; height: 22px; }
@media (max-width: 768px) { .to-top { right: 14px; bottom: 14px; width: 42px; height: 42px; } }

/* Katalog şeridi */
.catalog-band { background: var(--navy); color: #fff; padding: 34px 0; }
.catalog-band__in { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.catalog-band__icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(0,163,218,.18); color: #8fdcf5; display: grid; place-items: center; flex: none; }
.catalog-band__icon svg { width: 30px; height: 30px; }
.catalog-band h2 { color: #fff; margin: 0 0 .2rem; font-size: 1.3rem; }
.catalog-band p { margin: 0; color: #b9c9d6; }
.catalog-band .btn { margin-left: auto; }
.catalog-inline { margin: -1rem 0 1.6rem; }
.sidebar__catalog { display: block; margin-top: .8rem; font-size: .9rem; font-weight: 600; }
@media (max-width: 768px) { .catalog-band .btn { margin-left: 0; width: 100%; justify-content: center; } }

/* Site içi arama */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nav__search { margin-left: .4rem; }
.search { position: relative; }
.search input { width: 150px; padding: .5rem 2.1rem .5rem .85rem; border: 1px solid var(--line); border-radius: 999px; font: inherit; font-size: .9rem; background: var(--bg-alt); transition: width .2s, border-color .15s, box-shadow .15s; }
.search input:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,163,218,.18); background: #fff; width: 260px; }
.search .ic { position: absolute; right: .75rem; top: 50%; transform: translateY(-50%); color: var(--muted); margin: 0; pointer-events: none; }
.search__results { position: absolute; top: calc(100% + 8px); right: 0; width: 360px; max-height: 420px; overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-hover); padding: .4rem; z-index: 70; }
.search__results a { display: flex; gap: .7rem; align-items: center; padding: .5rem .6rem; border-radius: 8px; color: var(--ink); }
.search__results a:hover, .search__results a.is-active { background: var(--brand-soft); color: var(--brand-dark); }
.search__results img { width: 40px; height: 40px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 6px; flex: none; }
.search__results b { display: block; font-size: .9rem; font-weight: 600; }
.search__results small { color: var(--muted); font-size: .78rem; }
.search__results .none { padding: .7rem; color: var(--muted); font-size: .9rem; }
.form__consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .88rem; color: var(--muted); }
.form__consent input { width: auto; margin-top: .25rem; }
.legal h4 { margin-top: 1.6em; }
@media (max-width: 1240px) { .nav__list > li > a { padding: .6rem .55rem; font-size: .9rem; } .search input { width: 120px; } .logo img { width: 48px; } .logo__text { font-size: 1.1rem; } }
@media (max-width: 1140px) and (min-width: 1025px) { .logo__text { display: none; } .nav__list > li > a { padding: .6rem .45rem; } }