/* ============================================================
   feaci.it — design system
   Modernizzazione conservando l'identità ciano/blu del sito storico.
   Palette originale: bg #99CCCC · ink #003366 · link #006666 · vlink #669999
   ============================================================ */

:root {
	/* colori */
	--bg:           #eef5f5;
	--surface:      #ffffff;
	--ink:          #00334d;
	--ink-soft:     #355a6b;
	--muted:        #6a8794;
	--accent:       #006a6a;
	--accent-dark:  #004f4f;
	--accent-soft:  #99cccc;
	--link:         #006666;
	--link-visited: #557a7a;
	--border:       #cfe0e0;
	--shadow:       0 1px 3px rgba(0, 51, 77, .08), 0 4px 16px rgba(0, 51, 77, .06);

	/* tipografia */
	--font: "Segoe UI", Verdana, system-ui, -apple-system, Arial, sans-serif;
	--font-head: "Segoe UI Semibold", "Segoe UI", Verdana, system-ui, sans-serif;

	/* metriche */
	--maxw: 64rem;
	--radius: 10px;
	--gap: 1.25rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: var(--font);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--ink);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

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

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
a:visited { color: var(--link-visited); }

/* ---------- header / nav ---------- */

.site-header {
	background: linear-gradient(135deg, var(--accent-dark), var(--accent));
	color: #fff;
	box-shadow: var(--shadow);
	position: sticky;
	top: 0;
	z-index: 50;
}

.site-header__bar {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: .6rem 1.25rem;
	display: flex;
	align-items: center;
	gap: 1rem;
}

.logo { display: inline-flex; align-items: center; gap: .6rem; }
.logo img { height: 40px; width: auto; display: block; }
.logo__text { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; letter-spacing: .04em; color: #fff; }
.logo:hover { text-decoration: none; }

.nav-toggle {
	margin-left: auto;
	display: none;
	background: transparent;
	border: 1px solid rgba(255,255,255,.5);
	color: #fff;
	border-radius: 6px;
	padding: .4rem .6rem;
	font-size: 1.1rem;
	cursor: pointer;
}

.site-nav {
	margin-left: auto;
	display: flex;
	gap: .25rem;
	flex-wrap: wrap;
}
.site-nav a {
	color: #eafafa;
	padding: .45rem .7rem;
	border-radius: 6px;
	font-size: .95rem;
	white-space: nowrap;
}
.site-nav a:hover { background: rgba(255,255,255,.15); text-decoration: none; }
.site-nav a[aria-current="page"] { background: rgba(255,255,255,.22); font-weight: 600; }

/* ---------- contenuto ---------- */

main.content {
	flex: 1 0 auto;
	width: 100%;
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 2rem 1.25rem 3rem;
}

.page-title {
	font-family: var(--font-head);
	font-size: clamp(1.6rem, 4vw, 2.3rem);
	color: var(--accent-dark);
	margin: 0 0 1.5rem;
	padding-bottom: .6rem;
	border-bottom: 3px solid var(--accent-soft);
}

.content h2 { font-family: var(--font-head); color: var(--accent-dark); margin-top: 2rem; }
.content h3 { color: var(--ink); }

.content p { margin: 0 0 1rem; }

.content ul { padding-left: 1.3rem; }
.content li { margin: .35rem 0; }

hr { border: none; border-top: 2px solid var(--accent-soft); margin: 2rem 0; opacity: .7; }

/* card / box informativi */
.card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	padding: 1.25rem 1.4rem;
	margin: 1.25rem 0;
}

.lead { font-size: 1.12rem; color: var(--ink-soft); }

/* tabelle dati */
table.data {
	width: 100%;
	border-collapse: collapse;
	margin: 1.25rem 0;
	background: var(--surface);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow);
}
table.data th, table.data td {
	padding: .6rem .8rem;
	text-align: left;
	border-bottom: 1px solid var(--border);
}
table.data th { background: var(--accent-soft); color: var(--accent-dark); font-family: var(--font-head); }
table.data tr:last-child td { border-bottom: none; }

/* lista descrittiva (es. elenco programmi) */
.def-list { margin: 1.5rem 0; }
.def-list .item { margin-bottom: 1.5rem; }
.def-list .item h3 { margin: 0 0 .3rem; }
.def-list .item h3 a { color: var(--accent-dark); }

/* griglia di schede (es. home, sezioni) */
.tile-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: var(--gap);
	margin: 1.5rem 0;
	list-style: none;
	padding: 0;
}
.tile {
	display: block;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.1rem 1.2rem;
	box-shadow: var(--shadow);
	transition: transform .12s ease, box-shadow .12s ease;
	color: var(--ink);
}
.tile:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,51,77,.14); text-decoration: none; }
.tile strong { display: block; font-family: var(--font-head); color: var(--accent-dark); margin-bottom: .3rem; font-size: 1.05rem; }
.tile span { color: var(--muted); font-size: .92rem; }

/* form */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; color: var(--ink-soft); }
.field input[type=text], .field input[type=email], .field textarea, .field select {
	width: 100%;
	padding: .6rem .7rem;
	border: 1px solid var(--border);
	border-radius: 8px;
	font: inherit;
	background: var(--surface);
	color: var(--ink);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.radio-row { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; }
.radio-row label { font-weight: normal; display: inline-flex; align-items: center; gap: .4rem; }

.btn {
	display: inline-block;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: .65rem 1.4rem;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }
.btn--ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.note { font-size: .9rem; color: var(--muted); border-left: 3px solid var(--accent-soft); padding-left: .8rem; }

/* ---------- footer ---------- */

.site-footer {
	flex-shrink: 0;
	background: var(--accent-dark);
	color: #d6eaea;
	font-size: .9rem;
}
.site-footer__bar {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 1rem 1.25rem;
	display: flex;
	flex-wrap: wrap;
	gap: .5rem 1.5rem;
	align-items: center;
	justify-content: space-between;
}
.site-footer a { color: #fff; }

/* ---------- contenuti convertiti (Fase 3) ---------- */

/* immagini singole */
.content figure { margin: 1.5rem 0; }
.content figure img { border-radius: var(--radius); box-shadow: var(--shadow); }
.content figcaption { font-size: .92rem; color: var(--ink-soft); margin-top: .5rem; }

/* galleria foto: griglia fluida al posto delle tabelle-layout FrontPage */
.gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: var(--gap);
	margin: 1.75rem 0;
	align-items: start;
}
.gallery figure { margin: 0; }
.gallery img {
	width: 100%;
	display: block;
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	background: var(--surface);
}
.gallery figcaption { margin-top: .45rem; }
.content figure picture { display: block; }
/* la miniatura apre l'immagine originale a piena risoluzione */
a.zoom { display: block; position: relative; }
a.zoom:hover img { filter: brightness(1.05) saturate(1.05); }
a.zoom::after {
	content: "⤢";
	position: absolute;
	right: .5rem;
	bottom: .5rem;
	width: 1.6rem;
	height: 1.6rem;
	display: grid;
	place-items: center;
	border-radius: 50%;
	background: rgba(0, 51, 77, .55);
	color: #fff;
	font-size: .85rem;
	opacity: 0;
	transition: opacity .12s ease;
}
a.zoom:hover::after, a.zoom:focus-visible::after { opacity: 1; }
/* la foto di apertura (prima di una galleria di soli scatti) resta a piena larghezza */
.gallery--wide { grid-template-columns: 1fr; max-width: 46rem; }

/* elenchi di link (ex "link bar" a pulsanti del tema spiral) */
.linklist {
	list-style: none;
	padding: 0;
	margin: 1.25rem 0;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
	gap: .5rem .9rem;
}
.linklist li { margin: 0; }
.linklist a {
	display: block;
	padding: .5rem .75rem;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	color: var(--accent-dark);
}
.linklist a:hover { background: var(--accent-soft); text-decoration: none; }

/* evidenziazioni dell'autore (erano span con background giallo) */
mark { background: #fff3a8; color: inherit; padding: 0 .15em; border-radius: 3px; }

/* paginatori e barre di link su una riga */
.pager {
	display: flex;
	flex-wrap: wrap;
	gap: .25rem .6rem;
	align-items: baseline;
	margin: 1.25rem 0;
	color: var(--muted);
	font-size: .95rem;
}

/* tabelle dati: scroll orizzontale sui piccoli schermi invece di sfondare il layout */
.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
.table-wrap table.data { margin: 0; min-width: 32rem; }

/* ---------- responsive ---------- */

@media (max-width: 720px) {
	.gallery { grid-template-columns: 1fr; }
	.linklist { grid-template-columns: 1fr 1fr; }
	.nav-toggle { display: block; }
	.site-nav {
		display: none;
		width: 100%;
		flex-direction: column;
		gap: .15rem;
		padding-top: .5rem;
	}
	.site-nav.is-open { display: flex; }
	.site-header__bar { flex-wrap: wrap; }
	.site-nav a { white-space: normal; }
}