/* ==========================================================================
   header.css — Navbar / Site Header
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top banner
   -------------------------------------------------------------------------- */

.top-banner {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1001; /* sopra la navbar */
	height: 30px;
	background-color: var(--color-white);
	color: var(--color-primary);
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.02em;
	transform: translateY(0);
	transition: transform var(--transition-base);
}

/* Classe aggiunta da JS allo scroll */
.top-banner.is-hidden {
	transform: translateY(-100%);
}

.top-banner__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-lg);
}

.top-banner__service {
	opacity: 0.9;
}

.top-banner__whatsapp {
	display: flex;
	align-items: center;
	gap: 5px;
	color: var(--color-primary);
	text-decoration: none;
	font-weight: 500;
	transition: opacity var(--transition-fast);
}

.top-banner__whatsapp:hover {
	opacity: 0.8;
}

@media (max-width: 767px) {
	.top-banner {
		height: 25px;
	}
	.top-banner__inner {
		padding: 0 var(--space-sm);
	}

	.top-banner__service {
		display: none;
	}

	.top-banner__whatsapp {
		margin: 0 auto; /* centra il numero quando il testo sx è nascosto */
	}
}

/* --------------------------------------------------------------------------
   Header base
   -------------------------------------------------------------------------- */

.site-header {
	position: fixed;
	top: 30px; /* offset banner — spostato a 0 via JS allo scroll */
	left: 0;
	right: 0;
	z-index: 1000;
	height: 150px;
	transition: background-color var(--transition-base),
	            box-shadow       var(--transition-base),
	            top              var(--transition-base);

	/* Trasparente di default (sopra l'hero) */
	background-color: transparent;
}

/* Stato scrolled — aggiunto via JS quando si scorre oltre l'hero */
.site-header.is-scrolled {
	background-color: var(--color-white);
	box-shadow: var(--shadow-md);
}

/* Su pagine senza hero full-width, la navbar parte già solida */
.site-header.is-solid {
	background-color: var(--color-white);
	box-shadow: var(--shadow-sm);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-lg);
	gap: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Logo
   -------------------------------------------------------------------------- */

.site-header__logo {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	background-color: var(--color-white);
	width: 200px;
	height: 150px;
	padding: 16px;
}

.site-header__logo img {
	width: 100%;
	height: auto;
	display: block;
	transition: opacity var(--transition-fast);
}

/* Logo bianco: visibile quando la navbar è trasparente (sopra hero) */
.logo-white  { display: block; }
.logo-default { display: none; }

/* Logo colorato: visibile quando la navbar è scrolled/solid */
.site-header.is-scrolled .logo-white,
.site-header.is-solid    .logo-white  { display: none; }
.site-header.is-scrolled .logo-default,
.site-header.is-solid    .logo-default { display: block; }

/* --------------------------------------------------------------------------
   Navigazione desktop
   -------------------------------------------------------------------------- */

.site-header__nav {
	flex: 1;
	display: flex;
	justify-content: center;
}

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

.nav-menu a {
	font-family: var(--font-body);
	font-size: var(--font-size-base);
	font-weight: 500;
	text-decoration: none;
	color: var(--color-white);
	padding: var(--space-xs) 0;
	position: relative;
	transition: color var(--transition-fast);
}

/* Underline animated */
.nav-menu a::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 0;
	height: 2px;
	background-color: currentColor;
	transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after {
	width: 100%;
}

/* Quando la navbar è scrolled: link diventano scuri */
.site-header.is-scrolled .nav-menu a,
.site-header.is-solid    .nav-menu a {
	color: var(--color-dark);
}

/* --------------------------------------------------------------------------
   CTA button header
   -------------------------------------------------------------------------- */

.site-header__actions {
	flex-shrink: 0;
}

/* Pulsante "Contattaci" — usa le variabili .btn definite in global.css */
.site-header__actions .btn--primary {
	/* Forza colore bianco sopra l'hero (sfondo trasparente) */
	background-color: var(--color-white);
	color: var(--color-primary);
	border-color: var(--color-white);
}

.site-header__actions .btn--primary:hover {
	background-color: var(--color-primary);
	color: var(--color-white);
	border-color: var(--color-primary);
}

.site-header.is-scrolled .site-header__actions .btn--primary,
.site-header.is-solid    .site-header__actions .btn--primary {
	background-color: var(--color-primary);
	color: var(--color-white);
	border-color: var(--color-primary);
}

.site-header.is-scrolled .site-header__actions .btn--primary:hover,
.site-header.is-solid    .site-header__actions .btn--primary:hover {
	background-color: var(--color-primary-dark);
	border-color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   Hamburger (mobile)
   -------------------------------------------------------------------------- */

.hamburger {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--space-xs);
	border-radius: var(--border-radius);
	transition: background-color var(--transition-fast);
	flex-shrink: 0;
}

.hamburger:hover {
	background-color: rgba(255, 255, 255, 0.15);
}

.site-header.is-scrolled .hamburger:hover,
.site-header.is-solid    .hamburger:hover {
	background-color: var(--color-sand);
}

.hamburger__bar {
	display: block;
	width: 22px;
	height: 2px;
	background-color: var(--color-white);
	border-radius: 2px;
	transition: transform var(--transition-base),
	            opacity var(--transition-base),
	            background-color var(--transition-base);
	transform-origin: center;
}

.site-header.is-scrolled .hamburger__bar,
.site-header.is-solid    .hamburger__bar {
	background-color: var(--color-dark);
}

/* Animazione X quando menu è aperto */
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Mobile Menu — overlay fullscreen
   -------------------------------------------------------------------------- */

.mobile-menu {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	width: min(400px, 100vw);
	background-color: var(--color-secondary);
	z-index: 1100;
	display: flex;
	flex-direction: column;
	padding: var(--space-lg);
	transform: translateX(100%);
	transition: transform var(--transition-base);
	overflow-y: auto;
}

.mobile-menu.is-open {
	transform: translateX(0);
}

/* Header del menu mobile */
.mobile-menu__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-2xl);
}

.mobile-menu__logo img {
	height: 36px;
	width: auto;
}

.mobile-menu__close {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	background: rgba(255, 255, 255, 0.1);
	border: none;
	border-radius: var(--border-radius);
	color: var(--color-white);
	cursor: pointer;
	transition: background-color var(--transition-fast);
}

.mobile-menu__close:hover {
	background: rgba(255, 255, 255, 0.2);
}

/* Link di navigazione mobile */
.mobile-menu__nav {
	flex: 1;
}

.mobile-nav-menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0;
}

.mobile-nav-menu li {
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-menu a {
	display: block;
	font-family: var(--font-display);
	font-size: var(--font-size-xl);
	color: var(--color-white);
	text-decoration: none;
	padding: var(--space-md) 0;
	transition: color var(--transition-fast),
	            padding-left var(--transition-fast);
}

.mobile-nav-menu a:hover {
	color: var(--color-primary-light);
	padding-left: var(--space-xs);
}

/* CTA nel menu mobile */
.mobile-menu__cta {
	margin-top: var(--space-xl);
	padding-top: var(--space-xl);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--full {
	width: 100%;
	text-align: center;
	justify-content: center;
}

/* --------------------------------------------------------------------------
   Backdrop overlay
   -------------------------------------------------------------------------- */

.mobile-menu-backdrop {
	position: fixed;
	inset: 0;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 1050;
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--transition-base);
	backdrop-filter: blur(2px);
}

.mobile-menu-backdrop.is-visible {
	opacity: 1;
	pointer-events: all;
}

/* --------------------------------------------------------------------------
   Responsive — mostra hamburger su mobile/tablet
   -------------------------------------------------------------------------- */

@media (max-width: 1023px) {
	.hamburger {
		display: flex;
	}

	.site-header__nav,
	.site-header__actions {
		display: none;
	}
}

@media (max-width: 767px) {
	.site-header {
		height: 100px;
		top: 25px; /* banner mobile = 25px */
	}

	.site-header__inner {
		padding: 0 var(--space-sm);
	}

	.site-header__logo {
		width: 150px;
		height: 100px;
		padding: 10px;
	}
}