/* ——— Variabili (facoltative) */
:root{
  --nav-bg: rgba(24,24,27,.55);
  --nav-border: rgba(255,255,255,.06);
  --nav-shadow: 0 2px 16px rgba(0,0,0,.10);
  --text: #fff;
  --muted: #cfcfcf;
  --accent: #ff4601;
}

/* ——— Header fissato con effetto glass */
.main-header{
  position: fixed;
  top: 16px;
  left: 1.5%;
  right: 1.5%;
  z-index: 1000;
  width: auto;
  border-radius: 20px;
  border: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}

/* Stato “scrolled” (se lo vuoi attivare via JS) */
.main-header.is-scrolled{
  background: rgba(24,24,27,.72);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.18);
}

/* ——— Barra principale */
.navbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .7rem 2rem;
  min-height: 64px;
}

/* ——— Logo */
.logo{
  display: flex;
  align-items: center;
  color: var(--text);
  text-transform: uppercase;
  font-family: 'Matter','Segoe UI',Arial,sans-serif;
  letter-spacing: 2px;
}

.logo-hero{
  width: clamp(180px, 28vw, 320px) !important;
  height: auto !important;
}

/* ——— Links (desktop) */
.nav-links{
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links > li{ position: relative; }

.nav-links a{
  color: var(--text);
  text-decoration: none;
  font-size: 1.06rem;
  font-weight: 500;
  padding: .9rem .5rem;
  border-radius: 6px;
  transition: all 200ms ease;
}

.nav-links a:hover,
.nav-links .has-dropdown:hover > a{
  color: var(--text);
  text-transform: none;
  background-color: #d6d6d646;
}

/* ——— Voci con dropdown (caret + area stabile) */
.has-dropdown{
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
}

.has-dropdown > a{
  position: relative;
  padding-right: 1.1em;
}

/* Sostituiamo il caret con icone Font Awesome */
.has-dropdown > a::after{ display: none !important; content: none !important; }

/* Chevron icons */
.has-dropdown > a .chev{
  margin-left: .45em;
  font-size: .8em;
  opacity: .9;
  transition: transform .2s ease, opacity .2s ease, color .2s ease;
}
.has-dropdown > a .chev-up{ display: none; }

/* Desktop: su hover/focus mostra up, altrimenti down */
.has-dropdown:hover > a .chev-down,
.has-dropdown:focus-within > a .chev-down{ display: none; }
.has-dropdown:hover > a .chev-up,
.has-dropdown:focus-within > a .chev-up{ display: inline-block; }

/* Mobile overlay: usa classe .open sul <li> */
.main-header.open .has-dropdown > a .chev-down{ display: inline-block; }
.main-header.open .has-dropdown.open > a .chev-down{ display: none; }
.main-header.open .has-dropdown.open > a .chev-up{ display: inline-block; }

.has-dropdown:hover > a,
.has-dropdown:focus-within > a{
  color: var(--accent);
}

/* Le animazioni sul vecchio caret non servono più */

/* ——— Dropdown (desktop) */
.has-dropdown > .dropdown{
  position: absolute;
  left: 50%;
  top: calc(100% - 4px);
  transform: translateX(-50%) translateY(6px) scale(.98);
  opacity: 0;
  pointer-events: none;
  background: #fff;
  color: #18181b;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.06);
  min-width: 240px;
  padding: 12px 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,.22);
  z-index: 20;
  transition: opacity .18s cubic-bezier(.4,0,.2,1),
              transform .18s cubic-bezier(.4,0,.2,1);
}

.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown{
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}

.dropdown{
  list-style: none;
  margin: 0;
}

.dropdown li{
  margin: 0 0 .5rem 0;
}

.dropdown li:last-child{ margin-bottom: 0; }

.dropdown a{
  display: block;
  width: 100%;
  padding: .6rem 1rem;
  border-radius: 8px;
  color: #18181b;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.dropdown a:hover{
  color: var(--accent);
  text-transform: none;
  background: rgba(255, 69, 1, 0);
  transform: translateX(2px);
}

/* ——— Azioni a destra (opzionali) */
.nav-actions{
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.icon-btn{
  background: none;
  border: none;
  padding: .35rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background .2s ease;
  color: var(--text);
}
.icon-btn:hover{ background: rgba(255,255,255,.08); }

.login-link{
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  text-decoration: none;
  transition: color .2s ease;
}
.login-link:hover{ color: var(--accent); }

/* CTA */
.btn-nav,
.btn-start{
  background: #fff;
  color: #18181b !important;
  border-radius: 2rem !important;
  font-size: 1.05rem;
  font-weight: 700;
  padding: .7rem 1.4rem !important;
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,.10);
  transition: background .2s ease, color .2s ease, transform .12s ease;
}
.btn-nav:hover, .btn-start:hover{
  background: var(--accent);
  color: #fff !important;
  transform: translateY(-1px);
}

/* ——— Hamburger (usa il tuo SVG nel button) */
.hamburger{
  display: none;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 10px;
  color: var(--text);
  transition: background .2s ease, transform .12s ease;
  margin-left: .5rem;
}
.hamburger:hover{ background: rgba(255,255,255,.08); }

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 1200px){
  .navbar{ padding: .7rem 1.2rem; }
  .nav-links{ gap: 1.4rem; }
}

@media (max-width: 999px){
  /* mostra hamburger, nascondi desktop items */
  .hamburger{ display: inline-flex; align-items: center; justify-content: center; }
  .nav-links, .nav-actions{ display: none; }

  /* stato aperto: overlay fullscreen elegante */
  .main-header.open{
    left: 1%;
    right: 1%;
  }
  .main-header.open .nav-links,
  .main-header.open .nav-actions{
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(17,17,19,.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1100;
    padding-top: 6.2rem;
    align-items: center;
    gap: 2.2rem;
    animation: slideDown .25s ease;
  }
  .main-header.open .nav-links > li{ font-size: 1.4rem; }
  .main-header.open .nav-actions{
    flex-direction: row; gap: 1.2rem; margin-top: .8rem;
  }

  /* dropdown in mobile: blocchi espandibili */
  .main-header.open .has-dropdown > .dropdown{
    position: static;
    transform: none;
    opacity: 1 !important;
    pointer-events: auto !important;
    background: #fff;
    border: none;
    border-radius: 12px;
    margin-top: .4rem;
    padding: .6rem .4rem;
    box-shadow: none;
    min-width: 0;
    display: none; /* mostrato via classe .open o :focus-within */
  }
  .main-header.open .has-dropdown.open > .dropdown,
  .main-header.open .has-dropdown:focus-within > .dropdown{
    display: block;
  }
}

/* Micro-tweaks */
@media (max-width: 800px){
  .logo-hero{ width: clamp(170px, 44vw, 260px) !important; }
}

/* ——— Animazione overlay */
@keyframes slideDown{
  from{ opacity: 0; transform: translateY(-24px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ——— Accessibilità focus */
.nav-links a:focus-visible,
.dropdown a:focus-visible,
.hamburger:focus-visible,
.btn-nav:focus-visible,
.btn-start:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}