/* =====================================================================
   النافبار — شفاف فوق الهيرو، وبيصير كبسولة عائمة مع السكرول
   الكلاسات بتبلش بـ nv-   (الحركة: assets/js/nav.js)
   ===================================================================== */

.nv {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  padding: 0;
  pointer-events: none;
  transition: transform 0.55s var(--dh-ease), padding 0.6s var(--dh-ease);
}
.nv.is-pill { padding: 0.75rem 1rem 0; }
.nv.is-hidden:not(.is-menu) { transform: translateY(calc(-100% - 1rem)); }
.nv.is-hidden:not(.is-menu) .nv__bar { box-shadow: none; }

.nv__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 100%;
  height: 5rem;
  margin-inline: auto;
  padding-inline: max(1.25rem, calc((100% - 1280px) / 2 + 2rem));
  border: 1px solid transparent;
  border-bottom-color: rgba(217, 235, 235, 0.08);
  border-radius: 0;
  background: transparent;
  pointer-events: auto;
  animation: nv-in 0.8s var(--dh-ease) both;
  transition:
    max-width 0.7s var(--dh-ease),
    height 0.6s var(--dh-ease),
    padding 0.6s var(--dh-ease),
    border-radius 0.6s var(--dh-ease),
    background-color 0.5s ease,
    border-color 0.5s ease,
    box-shadow 0.5s ease;
}
.nv.is-pill .nv__bar {
  max-width: 1120px;
  height: 3.9rem;
  padding-inline: 0.6rem 1.4rem;
  border-color: rgba(217, 235, 235, 0.12);
  border-radius: 999px;
  background-color: rgba(14, 43, 43, 0.74);
  box-shadow: 0 18px 40px -18px rgba(5, 20, 20, 0.55);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}
.nv.is-menu .nv__bar {
  background-color: rgba(14, 43, 43, 0.6);
  box-shadow: none;
}

/* اللوغو */
.nv__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  border-radius: 999px;
}
.nv__logo img {
  height: 3.4rem;
  width: auto;
  filter: brightness(0) invert(1);
  transition: height 0.6s var(--dh-ease);
}
.nv.is-pill .nv__logo img { height: 2.75rem; }
.nv__logo:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 4px; }

/* الروابط + الخط الذهبي يلي بينزلق */
.nv__links {
  position: relative;
  display: none;
  align-items: center;
  gap: 0.25rem;
}
.nv__link {
  position: relative;
  padding: 0.55rem 0.95rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.3s ease;
}
.nv__link:hover,
.nv__link[aria-current="page"] { color: #fff; }
.nv__link:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; border-radius: 6px; }
.nv__ind {
  position: absolute;
  bottom: 0.15rem;
  left: 0;
  width: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--dh-gold);
  box-shadow: 0 0 12px rgba(217, 169, 63, 0.7);
  transform-origin: left;
  opacity: 0;
  pointer-events: none;
}
.nv__ind.is-ready {
  opacity: 1;
  transition: transform 0.5s var(--dh-ease), width 0.5s var(--dh-ease), opacity 0.3s ease;
}
.nv__ind.is-ready.is-off { opacity: 0; }

/* الأزرار */
.nv__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.nv__login {
  display: none;
  height: 2.5rem;
  padding-inline: 1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: background-color 0.3s ease, color 0.3s ease;
}
.nv__login:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nv__login:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; }
.nv__cta {
  height: 2.6rem;
  padding-inline: 1.25rem;
  border-radius: 999px;
  font-size: 0.92rem;
}

/* زر القائمة (موبايل) */
.nv__burger {
  position: relative;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  color: #fff;
  transition: background-color 0.3s ease;
}
.nv__burger:hover { background: rgba(255, 255, 255, 0.08); }
.nv__burger:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: 2px; }
.nv__burger span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 1.5px;
  margin-left: -10px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.5s var(--dh-ease), width 0.4s var(--dh-ease);
}
.nv__burger span:nth-child(1) { transform: translateY(-4px); }
.nv__burger span:nth-child(2) { transform: translateY(4px); width: 13px; margin-left: -10px; }
.nv.is-menu .nv__burger span:nth-child(1) { transform: rotate(45deg); }
.nv.is-menu .nv__burger span:nth-child(2) { transform: rotate(-45deg); width: 20px; }

/* خط التقدّم بالصفحة */
.nv__progress {
  position: absolute;
  inset-inline: 1.75rem;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.nv.is-pill .nv__progress { opacity: 1; }
.nv__progress span {
  display: block;
  height: 100%;
  background: linear-gradient(to left, var(--dh-gold-light), var(--dh-gold));
  transform: scaleX(0);
  transform-origin: right;
  will-change: transform;
}

@media (min-width: 640px) {
  .nv__login { display: inline-flex; align-items: center; }
}
@media (min-width: 1024px) {
  .nv__links { display: flex; }
  .nv__burger { display: none; }
}
@media (max-width: 767px) {
  .nv.is-pill { padding: 0.6rem 0.6rem 0; }
  .nv.is-pill .nv__bar { padding-inline: 0.4rem 0.4rem; height: 3.6rem; }
  .nv__bar { height: 4.25rem; }
  .nv__logo img { height: 2.9rem; }
  .nv.is-pill .nv__logo img { height: 2.5rem; }
  .nv__cta { height: 2.4rem; padding-inline: 1rem; font-size: 0.85rem; }
}

/* =====================================================================
   قائمة الموبايل — بملء الشاشة، بتنفتح بدائرة من زر القائمة
   ===================================================================== */
.nv-menu {
  position: fixed;
  inset: 0;
  z-index: 49;
  display: flex;
  flex-direction: column;
  padding: 6.5rem 1.5rem 2rem;
  overflow-y: auto;
  color: #fff;
  background-color: var(--dh-ink);
  background-image:
    radial-gradient(120% 70% at 50% 0%, rgba(217, 169, 63, 0.1), transparent 60%),
    linear-gradient(rgba(217, 235, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 235, 235, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(217, 235, 235, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 235, 235, 0.025) 1px, transparent 1px);
  background-size: auto, 80px 80px, 80px 80px, 16px 16px, 16px 16px;
  clip-path: circle(0 at var(--nv-x, 90%) var(--nv-y, 2rem));
  visibility: hidden;
  transition: clip-path 0.75s var(--dh-ease-io), visibility 0s linear 0.75s;
}
.nv-menu.is-open {
  clip-path: circle(150% at var(--nv-x, 90%) var(--nv-y, 2rem));
  visibility: visible;
  transition: clip-path 0.85s var(--dh-ease-io), visibility 0s;
}
@media (min-width: 1024px) {
  .nv-menu { display: none; }
}

.nv-menu__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(217, 235, 235, 0.5);
  margin-bottom: 0.75rem;
}
.nv-menu__list { counter-reset: nvm; }
.nv-menu__item {
  overflow: hidden;
  border-bottom: 1px solid rgba(217, 235, 235, 0.1);
}
.nv-menu__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 0.25rem;
  font-size: clamp(1.7rem, 7.5vw, 2.3rem);
  font-weight: 700;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.82);
  transform: translateY(105%);
  transition: transform 0.7s var(--dh-ease), color 0.3s ease;
}
.nv-menu__link::before {
  counter-increment: nvm;
  content: "0" counter(nvm);
  font-family: var(--dh-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dh-gold);
  min-width: 1.5rem;
}
.nv-menu__link[aria-current="page"] { color: #fff; }
.nv-menu__link[aria-current="page"]::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  margin-inline-start: auto;
  align-self: center;
  border-radius: 50%;
  background: var(--dh-gold);
  box-shadow: 0 0 12px var(--dh-gold);
}
.nv-menu__link:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: -2px; }
.nv-menu.is-open .nv-menu__link { transform: none; }
.nv-menu.is-open .nv-menu__item:nth-child(1) .nv-menu__link { transition-delay: 0.22s; }
.nv-menu.is-open .nv-menu__item:nth-child(2) .nv-menu__link { transition-delay: 0.28s; }
.nv-menu.is-open .nv-menu__item:nth-child(3) .nv-menu__link { transition-delay: 0.34s; }
.nv-menu.is-open .nv-menu__item:nth-child(4) .nv-menu__link { transition-delay: 0.40s; }
.nv-menu.is-open .nv-menu__item:nth-child(5) .nv-menu__link { transition-delay: 0.46s; }
.nv-menu.is-open .nv-menu__item:nth-child(6) .nv-menu__link { transition-delay: 0.52s; }

.nv-menu__foot {
  margin-top: auto;
  padding-top: 2rem;
  display: grid;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.6s var(--dh-ease);
}
.nv-menu.is-open .nv-menu__foot { opacity: 1; transform: none; transition-delay: 0.55s; }
.nv-menu__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.nv-menu__btns .ds-btn { width: 100%; height: 3rem; border-radius: 999px; }
.nv-menu__login {
  color: #fff;
  border: 1px solid rgba(217, 235, 235, 0.25);
  background: transparent;
}
.nv-menu__social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 0.75rem;
  font-size: 0.85rem;
  color: rgba(217, 235, 235, 0.65);
}
.nv-menu__social a:hover { color: #fff; }

/* قفل سكرول الصفحة وقت القائمة مفتوحة */
html.nv-lock { overflow: hidden; }

@keyframes nv-in {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: none; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .nv, .nv__bar, .nv__logo img, .nv__ind.is-ready, .nv-menu, .nv-menu.is-open,
  .nv-menu__link, .nv-menu__foot, .nv__burger span { transition: none !important; animation: none !important; }
  .nv-menu__link { transform: none; }
}