/* Zbox Minimal Landing
   - Bootstrap 5 üzerine çok hafif eklemeler
   - Hero video, sabit navbar, modern tipografi
*/
:root{
  --z-radius: 1.25rem;
}

html, body { height: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  background: #f7f7f9;
}

/* NAV */
.custom-nav {
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
  padding: .5rem 0;
}
.custom-nav.scrolled {
  background: rgba(0,0,0,.7) !important;
  backdrop-filter: saturate(120%) blur(6px);
  box-shadow: 0 4px 24px rgba(0,0,0,.2);
}
.custom-nav .nav-link {
  font-weight: 600;
  letter-spacing: .2px;
}
.custom-nav .navbar-brand { font-size: 1.1rem; }

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  color: #fff;
  overflow: clip;
}
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.55) 0%, rgba(0,0,0,.65) 40%, rgba(0,0,0,.75) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 1rem;
  text-shadow: 0 6px 24px rgba(0,0,0,.55);
}

.scroll-down {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  color: #fff;
  text-decoration: none;
  opacity: .9;
  z-index: 1;
}
.scroll-down span { font-size: 2rem; }

/* CARDS */
.hover-up {
  transition: transform .25s ease, box-shadow .25s ease;
  border-radius: var(--z-radius);
}
.hover-up:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,.08);
}
.card {
  border-radius: var(--z-radius);
}
.bg-body {
  background: #fff;
}

/* ABOUT */
.rounded-4 { border-radius: var(--z-radius) !important; }

/* CONTACT */
.contact-dot {
  width: 10px; height: 10px;
  background: #16a34a;
  box-shadow: 0 0 0 6px rgba(22,163,74,.15);
}

/* Utilities */
.opacity-95 { opacity: .95; }

@media (max-width: 991px) {
  .hero-content { padding-top: 6rem; }
}

/* === ZBOX: lighten hero video, keep navbar band === */
.video-overlay { background: none !important; }           /* overlay'i kapat */
.hero-video video { filter: brightness(1.2) contrast(1.05); }  /* videoyu aydınlat */

/* === ZBOX: lighten hero video, keep navbar band === */
.video-overlay {
  background: none !important;   /* sadece overlay kapatılır */
}

.hero-video video {
  filter: brightness(1.2) contrast(1.05); /* video aydınlatılır */
}

/* Navbar koyu bandı koru */
.custom-nav {
  background: rgba(0,0,0,0.65) !important;
  backdrop-filter: saturate(120%) blur(4px);
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.custom-nav .navbar-brand,
.custom-nav .nav-link {
  color: #fff !important;
  text-shadow: 0 1px 3px rgba(0,0,0,.6);
}

/* === ZBOX: Sayfa çerçevesi === */
body {
  border: 12px solid #fff;       /* kalınlık istersen 8–16px arası oynayabilirsin */
  border-radius: 12px;           /* köşeleri hafif yuvarla */
  box-sizing: border-box;
  background: #000;              /* dışarıda koyu zemin olsun diye */
}

/* === ZBOX: Navbar çerçevenin içine alınsın === */
.custom-nav {
  margin: 12px;            /* body border ile aynı kalınlık */
  border-radius: 8px;      /* çerçevenin köşelerine uyum */
  background: rgba(0,0,0,0.65) !important; /* koyu bant devam etsin */
  backdrop-filter: saturate(120%) blur(4px);
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}

.custom-nav .navbar-brand,
.custom-nav .nav-link {
  color: #fff !important;
  text-shadow: 0 1px 3px rgba(0,0,0,.6);
}

/* === Mobile fallback: videoyu kapat, poster göster === */
@media (max-width: 767px) {
  .hero-video video { display: none; }
  .hero-video {
    background: url('assets/rocky-steps-poster.jpg') center/cover no-repeat;
  }
}

/* İstersen hareket kısıtlı tercihlerde de videoyu kapat */
@media (prefers-reduced-motion: reduce) {
  .hero-video video { display: none; }
  .hero-video {
    background: url('assets/rocky-steps-poster.jpg') center/cover no-repeat;
  }
}
/* Anchor scroll fix */
:target {
  scroll-margin-top: 100px; /* navbar yüksekliği kadar */
}