:root {
	--gallery: #f4f4f4;
	--heavy-metal: #1d1d1b;
	--heavy-metal-light: #60605f;
	--nutmeg: #782f2f;
	--nutmeg-dark: #602525;
	--cta: #3d5a54;
	--cta-hover: #2f4743;
	--property-900: #21322f;
	--property-700: #506c66;
	--property-500: #7c918c;
	--property-300: #a7b5b3;
	--property-100: #d3dad9;
	--border: #e6e6e6;
	--bg: #f7f7f7;
	--fg: var(--heavy-metal);
	--text: #1d1d1b;
	--surface: #ffffff;
	--glass: rgba(255, 255, 255, 0.62);
	--glass-border: rgba(255, 255, 255, 0.78);
	--glass-dark: rgba(29, 29, 27, 0.04);

	--font-sans: "Manrope", "Segoe UI", system-ui, sans-serif;
	--font-display: "Fraunces", Georgia, serif;
	--space: 1.25rem;
	--max: 72rem;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	color: var(--text);
	background: var(--bg);
	line-height: 1.5;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: var(--cta);
}

a:hover {
	color: var(--cta-hover);
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 100;
	padding: 0.5rem 1rem;
	background: var(--heavy-metal);
	color: #fff;
}

.skip-link:focus {
	left: 0;
}

/* Vetro / superfici chiare */
.mati-glass {
	background: var(--glass);
	border: 1px solid var(--glass-border);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}

.mati-panel {
	background: var(--surface);
	border: 1px solid var(--border);
}

.site-header {
	border-bottom: 1px solid var(--border);
	background: rgba(255, 255, 255, 0.88);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
}

.site-header--over-hero {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	z-index: 20;
	border-bottom: 1px solid rgba(255, 255, 255, 0.55);
	background: rgba(255, 255, 255, 0.55);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}

.site-header--over-hero.is-dark {
	background: rgba(255, 255, 255, 0.55);
	border-bottom-color: rgba(255, 255, 255, 0.55);
}

.site-header--over-hero.is-dark .site-brand,
.site-header--over-hero.is-dark .site-nav__list a {
	color: var(--fg);
}

.site-header__inner,
.site-footer__inner,
.page-shell {
	width: min(100% - 2 * var(--space), var(--max));
	margin-inline: auto;
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space);
	min-height: 3.5rem;
	padding-block: 0.75rem;
}

.site-brand {
	display: inline-flex;
	align-items: center;
	font-weight: 700;
	color: var(--fg);
	text-decoration: none;
	letter-spacing: 0.02em;
}

.site-brand__logo {
	display: block;
	width: auto;
	height: 2.5rem;
	max-width: 10rem;
	object-fit: contain;
}

/* Header chiaro: logo scuro */
.site-brand__logo--on-dark {
	display: none;
}

.site-header.is-dark .site-brand__logo--on-light {
	display: block;
}

.site-header.is-dark .site-brand__logo--on-dark {
	display: none;
}

/* Su header over-hero (chiaro) forziamo sempre logo scuro */
.site-header--over-hero .site-brand__logo--on-light {
	display: block;
}

.site-header--over-hero .site-brand__logo--on-dark {
	display: none;
}

.site-header--over-hero:not(:has(.site-brand__logo--on-light)) .site-brand__logo--on-dark {
	display: block;
}

.site-nav__list {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav__list a {
	color: var(--fg);
	text-decoration: none;
}

.site-main {
	padding-block: 2rem;
	min-height: 50vh;
}

.mati-home {
	overflow-x: clip;
}

.mati-home .site-main {
	padding: 0;
	width: 100%;
	max-width: none;
	margin: 0;
}

.site-footer {
	border-top: 1px solid var(--border);
	padding-block: 1.5rem;
	color: var(--heavy-metal-light);
	font-size: 0.925rem;
	background: rgba(255, 255, 255, 0.7);
	backdrop-filter: blur(10px);
}

.btn {
	display: inline-block;
	padding: 0.7rem 1.25rem;
	text-decoration: none;
	border: 0;
	cursor: pointer;
	font: inherit;
}

/* Verde solo come accento CTA */
.btn--cta {
	background: var(--cta);
	color: #fff;
}

.btn--cta:hover {
	background: var(--cta-hover);
	color: #fff;
}

.btn--ghost {
	background: rgba(255, 255, 255, 0.55);
	color: var(--fg);
	border: 1px solid rgba(255, 255, 255, 0.8);
	backdrop-filter: blur(10px);
}

.btn--ghost:hover {
	background: rgba(255, 255, 255, 0.85);
}