/* ========================================================================
   HEADER PREMIUM - TESLA/APPLE STYLE 2025
   Ultra-minimal, elegant, professional
   ======================================================================== */

/* ====== CSS VARIABLES ====== */
:root {
  /* Dimensioni */
  --header-height: 52px;
  --header-height-scrolled: 48px;
  --header-max-width: 1440px;
  --header-padding-x: 48px;
  --header-padding-x-mobile: 20px;

  /* Colori - Light Mode (Default) */
  --header-bg: transparent;
  --header-bg-scrolled: rgba(255, 255, 255, 0.72);
  --header-text: rgba(0, 0, 0, 0.88);
  --header-text-secondary: rgba(0, 0, 0, 0.56);
  --header-text-hover: rgba(0, 0, 0, 1);
  --header-border: transparent;
  --header-border-scrolled: rgba(0, 0, 0, 0.08);

  /* Colori scuri per header su hero scuro */
  --header-text-light: rgba(255, 255, 255, 0.92);
  --header-text-light-secondary: rgba(255, 255, 255, 0.64);

  /* Accento */
  --header-accent: #e80000;

  /* Effetti */
  --header-blur: 20px;
  --header-transition: 0.36s cubic-bezier(0.32, 0.72, 0, 1);
  --header-transition-fast: 0.2s cubic-bezier(0.32, 0.72, 0, 1);

  /* Logo */
  --logo-max-width: 160px;
  --logo-max-height: 36px;
  --logo-max-width-mobile: 120px;

  /* Navigation */
  --nav-gap: 4px;
  --nav-link-padding: 8px 12px;
  --nav-font-size: 14px;
  --nav-font-weight: 400;
  --nav-letter-spacing: -0.01em;

  /* Dropdown */
  --dropdown-bg: rgba(255, 255, 255, 0.98);
  --dropdown-shadow: 0 2px 16px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.08);
  --dropdown-radius: 18px;
}

/* ====== DARK HEADER (per hero scuri) ====== */
.tf-header--dark {
  --header-bg: transparent;
  --header-bg-scrolled: rgba(22, 22, 24, 0.88);
  --header-text: rgba(255, 255, 255, 0.92);
  --header-text-secondary: rgba(255, 255, 255, 0.64);
  --header-text-hover: rgba(255, 255, 255, 1);
  --header-border-scrolled: rgba(255, 255, 255, 0.08);
  --dropdown-bg: rgba(36, 36, 40, 0.98);
}

/* ====== HEADER BASE ====== */
.tf-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  transition:
    background var(--header-transition),
    border-color var(--header-transition),
    backdrop-filter var(--header-transition);
}

/* ====== HEADER SOLID BACKGROUND ====== */
/* L'header ha sempre sfondo solido, l'immagine hero parte dopo */

/* Stato scrolled - Effetto glassmorphism Apple */
.tf-header.tf-header--scrolled {
  background: var(--header-bg-scrolled);
  backdrop-filter: saturate(180%) blur(var(--header-blur));
  -webkit-backdrop-filter: saturate(180%) blur(var(--header-blur));
  border-bottom-color: var(--header-border-scrolled);
}

/* ====== CONTAINER ====== */
.tf-header__container {
  max-width: var(--header-max-width);
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

/* ====== LOGO ====== */
.tf-header__logo {
  justify-self: start;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--header-transition-fast);
}

.tf-header__logo:hover {
  opacity: 0.72;
}

.tf-header__logo img {
  max-width: var(--logo-max-width);
  max-height: var(--logo-max-height);
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Logo shapes */
.tf-header__logo img[data-shape="rounded"] {
  border-radius: 8px;
}

.tf-header__logo img[data-shape="circle"] {
  border-radius: 50%;
}

/* ====== NAVIGATION - Centro (Tesla style) ====== */
.tf-header__nav {
  justify-self: center;
}

.tf-header__menu {
  display: flex;
  align-items: center;
  gap: var(--nav-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

.tf-header__menu > li {
  position: relative;
}

.tf-header__menu > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--nav-link-padding);
  color: var(--header-text);
  font-size: var(--nav-font-size);
  font-weight: var(--nav-font-weight);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  letter-spacing: var(--nav-letter-spacing);
  text-decoration: none;
  border-radius: 4px;
  transition:
    color var(--header-transition-fast),
    background var(--header-transition-fast);
  white-space: nowrap;
}

.tf-header__menu > li > a:hover {
  color: var(--header-text-hover);
  background: rgba(0, 0, 0, 0.04);
}

/* Per header scuro */
.tf-header--dark .tf-header__menu > li > a:hover,
.tf-header--scrolled.tf-header--dark .tf-header__menu > li > a:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* ====== SUBMENU ====== */
.tf-header__menu > li.has-submenu > a::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.5;
  margin-left: 2px;
  transition: transform var(--header-transition-fast);
}

.tf-header__menu > li.has-submenu:hover > a::after {
  transform: rotate(-135deg) translateY(-2px);
}

.tf-header__submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--dropdown-bg);
  border-radius: var(--dropdown-radius);
  box-shadow: var(--dropdown-shadow);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--header-transition-fast),
    transform var(--header-transition-fast),
    visibility var(--header-transition-fast);
  z-index: 100;
  list-style: none;
  padding: 8px;
  margin: 0;
}

/* Hover bridge - area invisibile che connette parent menu al submenu */
.tf-header__submenu::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 20px;
}

.tf-header__menu > li:hover > .tf-header__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.tf-header__submenu li {
  position: relative;
}

.tf-header__submenu a {
  display: block;
  padding: 10px 14px;
  color: var(--header-text);
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  border-radius: 10px;
  transition: background var(--header-transition-fast);
}

.tf-header__submenu a:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* Nested submenu */
.tf-header__submenu .tf-header__submenu {
  top: -8px;
  left: 100%;
  transform: translateX(8px) translateY(0);
}

/* Hover bridge per nested submenu - ponte laterale */
.tf-header__submenu .tf-header__submenu::before {
  top: 0;
  left: -15px;
  right: auto;
  width: 15px;
  height: 100%;
}

.tf-header__submenu li:hover > .tf-header__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) translateY(0);
}

/* ====== ACTIONS (Right side) ====== */
.tf-header__actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ====== LANGUAGE SELECTOR ====== */
.tf-header__lang {
  position: relative;
}

.tf-header__lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--header-text);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: background var(--header-transition-fast);
}

.tf-header__lang-btn:hover {
  background: rgba(0, 0, 0, 0.04);
}

.tf-header--dark .tf-header__lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.tf-header__lang-btn .flag-icon {
  width: 18px;
  height: 13px;
  border-radius: 2px;
  object-fit: cover;
}

.tf-header__lang-btn .language-name {
  font-size: 13px;
}

.tf-header__lang-btn::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.5;
  margin-left: 2px;
  transition: transform var(--header-transition-fast);
}

.tf-header__lang.active .tf-header__lang-btn::after {
  transform: rotate(-135deg) translateY(2px);
}

/* Language Dropdown */
.tf-header__lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--dropdown-bg);
  border-radius: var(--dropdown-radius);
  box-shadow: var(--dropdown-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--header-transition-fast);
  z-index: 100;
  padding: 8px;
}

.tf-header__lang.active .tf-header__lang-dropdown,
.tf-header__lang:focus-within .tf-header__lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tf-header__lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--header-text);
  font-size: 14px;
  text-decoration: none;
  border-radius: 10px;
  transition: background var(--header-transition-fast);
}

.tf-header__lang-dropdown a:hover,
.tf-header__lang-dropdown a.active {
  background: rgba(0, 0, 0, 0.04);
}

.tf-header__lang-dropdown a img {
  width: 18px;
  height: 13px;
  border-radius: 2px;
  object-fit: cover;
}

/* ====== AUTH SECTION ====== */
.tf-header__auth {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Login Button - Stile Tesla/Apple */
.tf-header__login-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--header-text);
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 13px;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--header-transition-fast);
}

.tf-header--dark .tf-header__login-btn {
  background: white;
  color: black;
}

.tf-header__login-btn:hover {
  opacity: 0.84;
}

.tf-header__login-btn iconify-icon {
  font-size: 15px;
}

.tf-header__login-btn span {
  font-size: 13px;
}

/* User Profile */
.tf-header__user {
  position: relative;
}

.tf-header__user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  background: transparent;
  border: none;
  border-radius: 20px;
  color: var(--header-text);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: background var(--header-transition-fast);
}

.tf-header__user-btn:hover {
  background: rgba(0, 0, 0, 0.04);
}

.tf-header--dark .tf-header__user-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.tf-header__user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 11px;
  font-weight: 500;
}

.tf-header--dark .tf-header__user-avatar {
  background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
  color: #1a1a1a;
}

.tf-header__user-name {
  font-size: 14px;
}

.tf-header__user-btn::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.5;
  transition: transform var(--header-transition-fast);
}

.tf-header__user.active .tf-header__user-btn::after {
  transform: rotate(-135deg) translateY(2px);
}

/* User Dropdown */
.tf-header__user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--dropdown-bg);
  border-radius: var(--dropdown-radius);
  box-shadow: var(--dropdown-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--header-transition-fast);
  z-index: 100;
  padding: 8px;
}

.tf-header__user.active .tf-header__user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tf-header__user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--header-text);
  font-size: 14px;
  text-decoration: none;
  border-radius: 10px;
  transition: background var(--header-transition-fast);
}

.tf-header__user-dropdown a:hover {
  background: rgba(0, 0, 0, 0.04);
}

.tf-header__user-dropdown a iconify-icon {
  font-size: 18px;
  opacity: 0.64;
}

.tf-header__user-dropdown a:last-child {
  color: var(--header-accent);
}

/* ====== HAMBURGER TOGGLE ====== */
.tf-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--header-transition-fast);
}

.tf-header__toggle:hover {
  background: rgba(0, 0, 0, 0.04);
}

.tf-header--dark .tf-header__toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.tf-header__toggle-lines {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 18px;
  height: 14px;
  gap: 4px;
}

.tf-header__toggle-lines span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--header-text);
  border-radius: 1px;
  transition: all var(--header-transition);
  transform-origin: center;
}

/* Hamburger animato X */
.menu-toggled .tf-header__toggle-lines span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.menu-toggled .tf-header__toggle-lines span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggled .tf-header__toggle-lines span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* ====== BODY PADDING ====== */
body {
  padding-top: var(--header-height);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 1200px) {
  :root {
    --header-padding-x: 32px;
    --nav-link-padding: 6px 10px;
    --nav-font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .tf-header__nav {
    display: none;
  }

  .tf-header__toggle {
    display: flex;
  }

  .tf-header__container {
    grid-template-columns: 1fr auto;
  }

  .tf-header__user-name {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 48px;
    --header-padding-x: var(--header-padding-x-mobile);
    --logo-max-width: var(--logo-max-width-mobile);
  }

  .tf-header__auth .tf-header__login-btn {
    display: none;
  }

  .tf-header__lang-btn .language-name {
    display: none;
  }

  .tf-header__lang-btn {
    padding: 8px;
  }

  .tf-header__user-btn {
    padding: 2px;
  }
}

@media (max-width: 480px) {
  /* Language selector now visible on mobile - only flag icon shown */
  .tf-header__lang-btn {
    padding: 6px;
  }

  .tf-header__lang-btn .flag-icon {
    width: 20px;
    height: 14px;
  }

  /* Dropdown posizionato correttamente su mobile */
  .tf-header__lang-dropdown {
    right: -10px;
    min-width: 140px;
  }
}

/* ====== ACCESSIBILITY ====== */
.tf-header__toggle:focus-visible,
.tf-header__lang-btn:focus-visible,
.tf-header__user-btn:focus-visible,
.tf-header__login-btn:focus-visible,
.tf-header__menu > li > a:focus-visible {
  outline: 2px solid var(--header-accent);
  outline-offset: 2px;
}

/* ====== REDUCED MOTION ====== */
@media (prefers-reduced-motion: reduce) {
  .tf-header,
  .tf-header * {
    transition: none !important;
  }
}

/* ====== PRINT ====== */
@media print {
  .tf-header {
    display: none;
  }
  body {
    padding-top: 0;
  }
}

/* ====== GLASSMORPHISM FALLBACK ====== */
@supports not (backdrop-filter: blur(10px)) {
  .tf-header.tf-header--scrolled {
    background: rgba(255, 255, 255, 0.96);
  }
  .tf-header--dark.tf-header--scrolled {
    background: rgba(22, 22, 24, 0.96);
  }
}

/* ====== LUXURY DARK HEADER ====== */
/* Header sempre con sfondo nero profondo luxury */
.tf-header {
  --header-bg: rgba(10, 10, 10, 0.98);
  --header-bg-scrolled: rgba(10, 10, 10, 0.95);
  --header-text: rgba(255, 255, 255, 0.92);
  --header-text-secondary: rgba(255, 255, 255, 0.64);
  --header-text-hover: rgba(255, 255, 255, 1);
  --header-border-scrolled: rgba(255, 255, 255, 0.06);
  --dropdown-bg: rgba(17, 17, 20, 0.98);
  --dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 1px rgba(255, 255, 255, 0.06);
  --header-accent: #c41e3a;
  --header-accent-glow: rgba(196, 30, 58, 0.35);
  /* Bordo sottile luxury */
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.tf-header__menu > li > a:hover,
.tf-header__submenu a:hover,
.tf-header__lang-btn:hover,
.tf-header__user-btn:hover,
.tf-header__toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

.tf-header__submenu a:hover,
.tf-header__lang-dropdown a:hover,
.tf-header__user-dropdown a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--header-accent);
}

/* Login Button - Luxury Red Gradient */
.tf-header__login-btn {
  background: linear-gradient(135deg, #c41e3a 0%, #8b0000 100%);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 0.6875rem;
  padding: 10px 20px;
  box-shadow: 0 0 25px rgba(196, 30, 58, 0.35);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.tf-header__login-btn:hover {
  box-shadow: 0 0 40px rgba(196, 30, 58, 0.5);
  transform: translateY(-2px);
}

.tf-header__user-avatar {
  background: linear-gradient(135deg, #c41e3a 0%, #8b0000 100%);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(196, 30, 58, 0.3);
}

/* ====== LOGO CLEAN - Nessuna animazione ====== */
.tf-header__logo,
.tf-header__logo:hover,
.tf-header__logo img,
.site-logo,
.site-logo:hover,
.site-logo img,
.CustombtFooter .site-logo,
.CustombtFooter .site-logo img {
  animation: none !important;
  transform: none !important;
}

.tf-header__logo:hover {
  opacity: 0.72;
}

.site-logo::before,
.site-logo::after {
  display: none !important;
}

/* ====== END HEADER PREMIUM - TESLA/APPLE STYLE ====== */