:root {
  --nav-h: 64px;
  --logo-h: 40px;
  --java: #14CFBC;
  --radius-md: 12px;
  --shadow-2: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body {
  margin: 0;
  padding-top: var(--nav-h);
}

/* bară fixă */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: linear-gradient(to right, rgba(22, 16, 50, .98), rgba(28, 20, 64, .98));
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

/* container */
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--sp-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* brand */
.logo {
  height: var(--logo-h);
  width: auto;
  display: block;
}

.brand {
  display: flex;
  align-items: center;
}

/* linkuri desktop */
.links {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.navbar a {
  color: #eae9f7;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--fs-nav);
  font-weight: 600;
}

/* buton accent — .navbar a.btn overrides .navbar a specificity */
.navbar a.btn {
  position: relative;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  background: var(--java);
  color: #041d1a;
  font-family: var(--font-body);
  font-size: var(--fs-btn);
  font-weight: 700;
  box-shadow: var(--shadow-2);
  transition: transform .2s ease, background .2s ease;
  will-change: transform;
}

.navbar a.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 12px 30px rgba(20, 207, 188, .35);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}

.navbar a.btn:hover {
  transform: translateY(-1px);
}

.navbar a.btn:hover::after {
  opacity: 1;
}

/* burger (ascuns pe desktop) */
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.burger span {
  width: 100%;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: all .3s ease;
}

/* animație burger -> X */
.burger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* mobil */
@media (max-width:768px) {
  .burger {
    display: flex;
  }

  .links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: flex;
    /* rămâne flex, animăm înălțimea */
    flex-direction: column;
    gap: var(--sp-3);
    padding: var(--sp-3);
    text-align: center;
    background: rgba(22, 16, 50, .96);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    z-index: 9998;

    max-height: 0;
    /* ascuns */
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: max-height .25s ease, opacity .2s ease, transform .2s ease;
  }

  .links[data-open="true"] {
    max-height: 60vh;
    /* suficient pentru 3–6 linkuri */
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

.navbar {
  z-index: 9999;
}

.burger {
  position: relative;
  z-index: 10000;
}

body.menu-open {
  overflow: hidden;
}



.navbar.scrolled {
  background: linear-gradient(to right, rgba(18, 13, 42, 1), rgba(24, 17, 56, 1));
  border-bottom-color: rgba(255, 255, 255, .12);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ===== Dropdown Cursuri ===== */
.navbar .links {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
}

/* Containerul dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

/* Linkul principal + săgeata */
.drop-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}

/* Săgeată implicită */
.drop-toggle .chev {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease-in-out;
  margin-top: -2px;
  opacity: .9;
}

/* Când dropdown-ul e deschis */
.dropdown.open .chev {
  transform: rotate(-135deg);
  transition: transform 0.9s ease-in-out 1s; /* +delay de 0.1s la pornire */
}


/* Submeniul (ascuns implicit) */
.submenu {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  min-width: 180px;
  background: rgba(22, 16, 50, .96);          /* Hero box */
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
  overflow: hidden;
  /* animație slide */
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height .28s ease, opacity 1s ease, transform 1s ease;
  z-index: 30;
}

.submenu a {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: #FAFAFA;
  white-space: nowrap;

  /* adăugări pentru centrare */
  text-align: center;
  justify-content: center;
}

.submenu a:hover {
  background: rgba(20,207,188,.15); /* #14CFBC cu transparență */
}

/* Starea deschisă */
.dropdown.open > .submenu {
  max-height: 500px; /* suficient pentru 2-6 itemi */
  opacity: 1;
  transform: translateY(0);
}

/* Rotește săgeata când e deschis */
.dropdown.open .chev {
  transform: rotate(-135deg);
}

/* ===== Desktop: deschidere și la hover (opțional, nice UX) ===== */
@media (hover:hover) and (pointer:fine) {
  .dropdown:hover > .submenu {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
  }
  .dropdown:hover .chev {
    transform: rotate(-135deg);
  }
}

/* ===== Mobile: când meniul devine pe coloană ===== */
@media (max-width: 900px) {
  .navbar .links {
    flex-direction: column;
    align-items: stretch;
  }

  .dropdown {
    width: 100%;
  }

  .submenu {
    position: static;       /* devine în fluxul vertical */
    box-shadow: none;
    border-radius: 10px;
    margin-top: 6px;
  }

  .submenu a {
    padding: 12px 10px;
  }
}