/* Arseon Medya — tüm sayfalarda ortak üst menü ve alt bilgi.
   Ana sayfa ve hizmet sayfaları bu dosyayı birlikte kullanır; renkler sayfanın :root değişkenlerinden gelir. */

/* ---------- Üst menü ---------- */
.site-nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px; padding: 14px clamp(20px,5vw,48px); font-family: "Inter", system-ui, sans-serif; backdrop-filter: blur(26px) saturate(130%); -webkit-backdrop-filter: blur(26px) saturate(130%); background: var(--glass); border-bottom: 1px solid var(--glass-line); box-shadow: 0 18px 40px -28px rgba(4,14,24,0.9); }
@media (max-width: 640px) { .site-nav { backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); } }
.site-nav__logo { display: flex; align-items: center; text-decoration: none; flex: none; }
.site-nav__logo img { display: block; width: 150px; height: auto; }
.site-nav__links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.site-nav__links > a, .site-nav__dd > button { font-size: 14px; line-height: 1.55; color: var(--muted); text-decoration: none; transition: color .2s ease; }
.site-nav__links > a:hover, .site-nav__links > a[aria-current="page"] { color: var(--cold); }
.site-nav__links a:focus-visible, .site-nav__cta:focus-visible, .site-nav__toggle:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; border-radius: 4px; }
.site-nav__cta { display: flex; align-items: center; flex: none; padding: 6px 12px; border: 1px solid var(--blue); border-radius: 8px; background: var(--blue); color: var(--cold); font-size: 14px; font-weight: 600; line-height: 1.2; text-decoration: none; white-space: nowrap; transition: background .2s ease, border-color .2s ease; }
.site-nav__cta:hover { background: #3492CB; border-color: #3492CB; }

/* Hizmetler: 4 kategorili panel */
.site-nav__dd { position: static; display: flex; align-items: center; }
.site-nav__dd > button { all: unset; box-sizing: border-box; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font-family: inherit; font-size: 14px; line-height: 1.55; color: var(--muted); }
.site-nav__dd > button:hover, .site-nav__dd.open > button, .site-nav__dd > button[aria-current="true"] { color: var(--cold); }
.site-nav__dd > button:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; border-radius: 4px; }
.site-nav__dd > button::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .2s ease; }
.site-nav__dd.open > button::after { transform: translateY(1px) rotate(225deg); }
.site-nav__mega { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); z-index: 30; display: none; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 6px; width: min(1080px, calc(100vw - 32px)); padding: 16px; background: #0B2131; border: 1px solid var(--glass-line); border-top: 0; border-radius: 0 0 18px 18px; box-shadow: 0 34px 70px -28px rgba(0,0,0,0.85); }
.site-nav__mega::before { content: ""; position: absolute; left: 0; right: 0; top: -28px; height: 28px; }
.site-nav__dd.open .site-nav__mega { display: grid; }
@media (hover: hover) and (min-width: 901px) { .site-nav__dd:hover .site-nav__mega { display: grid; } .site-nav__dd:hover > button { color: var(--cold); } }
.mega-col { display: flex; flex-direction: column; gap: 2px; padding: 10px; border-radius: 14px; min-width: 0; }
.mega-col:hover { background: rgba(185,227,239,0.04); }
.mega-col__title { display: flex; align-items: center; gap: 10px; padding: 6px 8px 10px; margin-bottom: 4px; border-bottom: 1px solid var(--glass-line); font-size: 14.5px; font-weight: 600; line-height: 1.35; color: var(--cold); text-decoration: none; }
.mega-col__title svg { width: 20px; height: 20px; flex: none; color: var(--ice); }
.mega-col__title:hover { color: var(--ice); }
.mega-col a:not(.mega-col__title) { padding: 7px 8px; border-radius: 8px; font-size: 13.5px; line-height: 1.45; color: var(--muted); text-decoration: none; transition: background .2s ease, color .2s ease; }
.mega-col a:not(.mega-col__title):hover, .mega-col a:not(.mega-col__title):focus-visible { background: rgba(185,227,239,0.08); color: var(--cold); outline: none; }
.mega-col a[aria-current="page"] { color: var(--ice); }

/* Telefon ve tablet: menü düğmesi + açılır panel */
.site-nav__toggle { display: none; flex: none; align-items: center; justify-content: center; flex-direction: column; gap: 4px; width: 40px; height: 36px; padding: 0; border: 1px solid var(--glass-line); border-radius: 9px; background: rgba(7,24,39,0.5); cursor: pointer; }
.site-nav__toggle span { display: block; width: 16px; height: 1.5px; border-radius: 2px; background: var(--cold); transition: transform .2s ease, opacity .2s ease; }
.site-nav.is-open .site-nav__toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.site-nav.is-open .site-nav__toggle span:nth-child(2) { opacity: 0; }
.site-nav.is-open .site-nav__toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
@media (max-width: 900px) {
  .site-nav { flex-wrap: wrap; gap: 12px; }
  .site-nav__logo img { width: 132px; }
  .site-nav__cta { order: 2; margin-left: auto; padding: 8px 14px; font-size: 13.5px; }
  .site-nav__toggle { display: inline-flex; order: 3; }
  .site-nav__links { display: none; order: 4; flex: 1 0 100%; flex-direction: column; align-items: stretch; gap: 0; margin: 4px 0 0; padding-top: 6px; border-top: 1px solid var(--glass-line); }
  .site-nav.is-open { max-height: 100vh; overflow-y: auto; }
  .site-nav.is-open .site-nav__links { display: flex; }
  .site-nav__links > a, .site-nav__dd > button { display: flex; justify-content: space-between; width: 100%; padding: 13px 4px; font-size: 15px; color: var(--cold); border-bottom: 1px solid rgba(185,227,239,0.08); }
  .site-nav__dd { flex-direction: column; align-items: stretch; }
  .site-nav__mega { position: static; transform: none; width: auto; grid-template-columns: repeat(2, minmax(0,1fr)); padding: 6px 0 10px; background: transparent; border: 0; box-shadow: none; }
  .site-nav__mega::before { display: none; }
}
@media (max-width: 560px) { .site-nav__mega { grid-template-columns: 1fr; } }

/* Sayfa içi bağlantılar (#bakim gibi) yapışkan menünün altında kalmasın */
[id] { scroll-margin-top: 96px; }

/* ---------- Alt bilgi ---------- */
.site-foot { position: relative; z-index: 2; margin-top: clamp(40px,5vw,72px); border-top: 1px solid var(--glass-line); font-family: "Inter", system-ui, sans-serif; color: var(--muted); }
.site-foot__grid { max-width: 1200px; margin: 0 auto; padding: 48px clamp(20px,5vw,72px) 32px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 32px; }
@media (max-width: 900px) { .site-foot__grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .site-foot__grid { grid-template-columns: 1fr; gap: 28px; } }
.site-foot__brand img { display: block; width: 150px; height: auto; }
.site-foot__brand p { margin: 16px 0 0; font-size: 14px; line-height: 1.65; max-width: 30ch; }
.site-foot__col { display: flex; flex-direction: column; gap: 10px; min-width: 0; font-size: 14px; line-height: 1.5; }
.site-foot__col strong { margin-bottom: 4px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--cold); }
.site-foot a, .site-foot__link { color: var(--muted); text-decoration: none; transition: color .2s ease; }
.site-foot a:hover, .site-foot__link:hover { color: var(--cold); }
.site-foot__social { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.site-foot__bottom { max-width: 1200px; margin: 0 auto; padding: 18px clamp(20px,5vw,72px) 26px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; border-top: 1px solid var(--glass-line); font-size: 13px; }
.site-foot__legal { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-foot__link { padding: 0; border: 0; background: none; font: inherit; cursor: pointer; }

/* Görsel büyütme (ortak.js) */
.ref-shot, .om-ref-shot, .gallery figure img { cursor: zoom-in; }
.lb { padding: 0; border: 0; background: transparent; max-width: none; max-height: none; width: 100vw; height: 100vh; }
.lb[open] { display: grid; place-items: center; }
.lb::backdrop { background: rgba(4, 9, 18, .9); backdrop-filter: blur(6px); }
.lb img { display: block; width: auto; height: auto; max-width: 94vw; max-height: 88vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); cursor: zoom-out; }
.lb__close { position: fixed; top: 14px; right: 16px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.lb__close:hover { background: rgba(255,255,255,.18); }