/* =========================================================
   Cyberraum — MENÜ
   Yüzen cam kapsül (masaüstü) + tam ekran perde menü (mobil/tablet)
   ========================================================= */
.nv {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  padding: 0.9rem 0.9rem 0;
  pointer-events: none;
  transition: transform 0.6s var(--ease-out);
}
@media (min-width: 768px) { .nv { padding: 1.1rem 2rem 0; } }
.nv.is-hidden { transform: translateY(-140%); }
body.menu-open .nv { transform: none; }

.nv-bar {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0.45rem 0.45rem 1.1rem;
  border-radius: 999px;
  background: rgba(11, 17, 22, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.09);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: background 0.45s ease, box-shadow 0.45s ease, border-color 0.45s ease;
}
.nv.is-scrolled .nv-bar {
  background: rgba(11, 17, 22, 0.84);
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: 0 24px 50px -22px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
/* Hero (koyu fotoğraf) üzerindeyken açık buzlu cam: arka plandan ayrışsın */
.nv.is-over-hero .nv-bar {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    0 18px 40px -18px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}
.nv.is-over-hero .nv-link { color: rgba(255, 255, 255, 0.85); }
.nv.is-over-hero .nv-indicator { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.2); }
.nv.is-over-hero .nv-burger { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.22); }

body.menu-open .nv-bar {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.nv-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.nv-logo { display: block; width: auto; height: 2.3rem; transition: height 0.45s var(--ease-out); }
.nv.is-scrolled .nv-logo { height: 2rem; }

/* Yazı yuvarlanması (hover) */
.nv-roll { position: relative; display: inline-block; overflow: hidden; vertical-align: top; line-height: 1.25; }
.nv-roll > span { display: inline-block; transition: transform 0.55s var(--ease-out); }
.nv-roll > span::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 100%;
  color: var(--lamp);
}
a:hover > .nv-roll > span { transform: translateY(-100%); }

/* Masaüstü linkler + kayan gösterge */
.nv-links {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: none;
  align-items: center;
  gap: 0.1rem;
}
@media (min-width: 900px) { .nv-links { display: flex; } }
.nv-link {
  position: relative;
  z-index: 1;
  padding: 0.62rem 1.05rem;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.35s ease;
}
.nv-link:hover,
.nv-link.is-active { color: #fff; }
.nv-indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.55s var(--ease-out), width 0.55s var(--ease-out), opacity 0.35s ease;
}
.nv-indicator::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--lamp);
  box-shadow: 0 0 10px 1px var(--lamp);
}

.nv-end { display: flex; align-items: center; gap: 0.6rem; }

.nv-cta {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.38rem 0.38rem 0.38rem 1.1rem;
  border-radius: 999px;
  background: var(--lamp);
  color: var(--night);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 30px -10px rgba(242, 165, 65, 0.7);
  transition: background 0.35s ease, opacity 0.3s ease;
}
.nv-cta .nv-roll > span::after { color: var(--night); }
.nv-cta:hover { background: var(--lamp-soft); }
.nv-cta-arrow {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--night);
  color: var(--lamp);
  font-size: 0.9rem;
  transition: transform 0.5s var(--ease-out);
}
.nv-cta:hover .nv-cta-arrow { transform: rotate(45deg); }
@media (min-width: 640px) { .nv-cta { display: inline-flex; } }
body.menu-open .nv-cta { opacity: 0; pointer-events: none; }

/* Menü düğmesi */
.nv-burger {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  height: 2.75rem;
  padding: 0 0.38rem 0 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.nv-burger:hover { background: rgba(255, 255, 255, 0.12); }
@media (min-width: 900px) { .nv-burger { display: none; } }
.nv-burger-label { display: inline-grid; height: 1.2em; overflow: hidden; line-height: 1.2; }
.nv-burger-label span { grid-area: 1 / 1; transition: transform 0.6s var(--ease-out); }
.nv-burger-label span:last-child { transform: translateY(110%); }
.nv-burger.is-active .nv-burger-label span:first-child { transform: translateY(-110%); }
.nv-burger.is-active .nv-burger-label span:last-child { transform: translateY(0); }
.nv-burger-icon {
  position: relative;
  display: block;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--lamp);
}
.nv-burger-icon span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 1.6px;
  margin: -0.8px 0 0 -6px;
  border-radius: 2px;
  background: var(--night);
  transition: transform 0.55s var(--ease-out);
}
.nv-burger-icon span:first-child { transform: translateY(-3px); }
.nv-burger-icon span:last-child { transform: translateY(3px); }
.nv-burger.is-active .nv-burger-icon span:first-child { transform: rotate(45deg); }
.nv-burger.is-active .nv-burger-icon span:last-child { transform: rotate(-45deg); }

/* ---------- Tam ekran menü ---------- */
.ov {
  position: fixed;
  inset: 0;
  z-index: 85;
  visibility: hidden;
  pointer-events: none;
  color: #fff;
  --ox: calc(100% - 3rem);
  --oy: 2.3rem;
  --gx: 70%;
  --gy: 40%;
  transition: visibility 0s linear 0.9s;
}
.ov.is-open { visibility: visible; pointer-events: auto; transition: visibility 0s; }
.ov-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 90% 0%, rgba(26, 138, 120, 0.28), transparent 60%),
    linear-gradient(170deg, #0d151b 0%, var(--night) 70%);
  clip-path: circle(0px at var(--ox) var(--oy));
  transition: clip-path 0.85s var(--ease-io);
}
.ov.is-open .ov-bg { clip-path: circle(160% at var(--ox) var(--oy)); }
.ov-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(260px circle at var(--gx) var(--gy), rgba(242, 165, 65, 0.18), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.ov.is-open .ov-glow { opacity: 1; transition: opacity 0.6s ease 0.4s; }
.ov-watermark {
  position: absolute;
  right: -0.05em;
  bottom: -0.16em;
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: 40vw;
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
  opacity: 0;
  transform: translateY(10%);
  transition: opacity 0.3s ease, transform 0.6s ease;
}
.ov.is-open .ov-watermark { opacity: 1; transform: none; transition: opacity 0.8s ease 0.35s, transform 1.4s var(--ease-out) 0.35s; }

.ov-inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 6.5rem 1.5rem 2rem;
  overflow-y: auto;
}
@media (min-width: 640px) { .ov-inner { padding: 7.5rem 2.5rem 2.5rem; } }
.ov-label {
  margin: 0 0 1.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.ov.is-open .ov-label { opacity: 1; transition: opacity 0.5s ease 0.3s; }
.ov-nav { display: flex; flex-direction: column; }
.ov-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.4rem 0;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.ov-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--lamp), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-out);
}
.ov-link:hover::after,
.ov-link:focus-visible::after,
.ov-link.is-current::after { transform: scaleX(1); }
.ov-idx {
  min-width: 1.6rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--lamp);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.ov.is-open .ov-idx { opacity: 1; transition: opacity 0.5s ease calc(0.35s + var(--i) * 0.07s); }
.ov-line { display: block; overflow: hidden; padding: 0.06em 0.2em 0.14em 0; transition: transform 0.6s var(--ease-out); }
.ov-text {
  display: inline-block;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.7rem, 12vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.01em;
  transform: translateY(115%);
  transition: transform 0.45s var(--ease-io), color 0.35s ease;
}
.ov.is-open .ov-text {
  transform: translateY(0);
  transition: transform 1s var(--ease-out) calc(0.3s + var(--i) * 0.07s), color 0.35s ease;
}
.ov-link:hover .ov-line { transform: translateX(0.7rem); }
.ov-link:hover .ov-text,
.ov-link.is-current .ov-text { color: var(--lamp); font-style: italic; }
.ov-arrow {
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--lamp);
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.35s ease, transform 0.5s var(--ease-out);
}
.ov-link:hover .ov-arrow { opacity: 1; transform: none; }

.ov-foot {
  margin-top: auto;
  padding-top: 2.5rem;
  display: grid;
  gap: 1rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.ov.is-open .ov-foot { opacity: 1; transform: none; transition: opacity 0.6s ease 0.65s, transform 0.8s var(--ease-out) 0.65s; }
.ov-quote {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-style: italic;
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.55);
}
.ov-contact { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-size: 0.92rem; color: rgba(255, 255, 255, 0.5); }
.ov-contact a { color: rgba(255, 255, 255, 0.82); text-decoration: none; transition: color 0.3s ease; }
.ov-contact a:hover { color: var(--lamp); }
@media (min-width: 900px) { .ov { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .ov-bg { clip-path: none !important; }
}