/* =========================================================================
   Statella: home page (bozza "Home B v2").
   Qui solo quello che serve alla home; colori, bottoni, titoli, comparsa
   allo scroll ed elenco articoli sono in base.css.
   ========================================================================= */

/* ---------- Apertura ---------- */

.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-glow {
	position: absolute; inset: -20%;
	background:
		radial-gradient(40% 35% at 70% 30%, oklch(0.34 0.03 80 / 0.9), transparent 70%),
		radial-gradient(35% 30% at 20% 70%, oklch(0.28 0.02 70 / 0.8), transparent 70%);
}
.hero-lines {
	position: absolute; inset: 0; display: grid; grid-template-columns: repeat(4, 1fr);
	max-width: var(--max); margin: 0 auto; padding-inline: var(--gut); pointer-events: none;
}
.hero-line { border-left: 1px solid oklch(0.3 0.008 70 / 0.7); transform-origin: top; }
.hero-line:last-child { border-right: 1px solid oklch(0.3 0.008 70 / 0.7); }
.hero-fade { position: absolute; inset: auto 0 0 0; height: 35%; background: linear-gradient(180deg, transparent, var(--bg)); pointer-events: none; }
.hero-body { position: relative; width: 100%; padding-top: 140px; padding-bottom: clamp(48px, 8vh, 96px); }
.hero-h1 { font: 400 clamp(44px, 6.2vw, 100px)/1.02 var(--display); letter-spacing: -0.02em; margin-top: 28px; }
.hero-h1 em { font-style: italic; color: var(--brass); }
.hero-w { display: inline-block; }
.hero-foot {
	display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end;
	margin-top: clamp(32px, 5vh, 56px); padding-top: 28px; border-top: 1px solid var(--line);
}
.hero-foot .lede { max-width: 60ch; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Motto e missione ---------- */

.home-slogan { font: italic 400 clamp(22px, 2.2vw, 32px)/1.2 var(--display); color: var(--brass); }
.home-manifesto { font: 400 clamp(32px, 4.4vw, 70px)/1.14 var(--display); letter-spacing: -0.015em; max-width: 24ch; margin-top: 32px; }
.home-sub { margin-top: 44px; display: flex; gap: 40px; flex-wrap: wrap; font: 400 15px/1.6 var(--sans); color: var(--muted); }
.home-sub span { display: inline-flex; gap: 12px; align-items: center; }
.home-sub span::before { content: ""; width: 6px; height: 6px; background: var(--brass); rotate: 45deg; }

.sec-flush { padding-top: 0; }

/* ---------- Aree di attivita' ---------- */

.areas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.area {
	position: relative; display: flex; flex-direction: column; gap: 16px; min-height: 300px;
	padding: clamp(28px, 3vw, 44px); background: var(--bg); color: var(--text); overflow: hidden;
	transition: background 0.6s var(--ease);
}
.area::before {
	content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%; background: var(--brass);
	transform: scaleX(0); transform-origin: left; transition: transform 0.8s var(--ease);
}
.area:hover, .area:focus-visible { background: var(--bg-2); color: var(--text); }
.area:hover::before, .area:focus-visible::before { transform: scaleX(1); }
.area-n { font: italic 400 40px/1 var(--display); color: var(--brass); transition: translate 0.8s var(--ease); }
.area-t { font: 400 clamp(23px, 2vw, 30px)/1.15 var(--display); letter-spacing: -0.01em; margin-top: auto; }
.area-d { display: grid; grid-template-rows: 1fr; font: 300 15px/1.6 var(--sans); color: var(--muted); }
.area-d > span { overflow: hidden; }
.area-wide { grid-column: span 2; }
.area-wide .area-d { max-width: 56ch; }
.area-all { justify-content: center; align-items: flex-start; background: var(--bg-2); }
.area-all .area-t { margin-top: 0; }

/* ---------- Rapporto diretto ---------- */

.home-direct { background: var(--bg-2); }
.direct { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 7vw, 120px); align-items: start; }
.direct-p { display: flex; flex-direction: column; gap: 22px; font: 300 18px/1.7 var(--sans); color: var(--muted); }
.direct-p strong { color: var(--text); font-weight: 500; }
.pledge { border-top: 1px solid var(--brass); padding-top: 22px; font: 400 clamp(22px, 2vw, 30px)/1.3 var(--display); color: var(--text); }

/* ---------- Professionisti e staff ---------- */

.people { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); }
.person { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-2); color: var(--text); }
.person:hover { color: var(--text); }
.person-photo {
	position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 20%;
	filter: grayscale(1) contrast(1.05) brightness(0.92); scale: 1.02;
	transition: filter 1.2s var(--ease), scale 1.8s var(--ease);
}
.person:hover .person-photo, .person:focus-visible .person-photo { filter: grayscale(0.15) contrast(1.02) brightness(0.98); }
.person-body {
	position: absolute; inset: auto 0 0 0; display: flex; flex-direction: column; gap: 12px;
	padding: 120px clamp(24px, 3vw, 40px) clamp(24px, 3vw, 40px);
	background: linear-gradient(180deg, transparent, color-mix(in oklch, var(--bg) 96%, transparent) 55%);
}
.person-name { font: 400 clamp(30px, 3vw, 46px)/1 var(--display); }
.person-bio { display: grid; grid-template-rows: 1fr; font: 300 15px/1.6 var(--sans); color: var(--muted); }
.person-bio > span { overflow: hidden; }
.person-reg { font: 500 11px/1.6 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); }

.staff {
	display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(24px, 5vw, 80px);
	margin-top: clamp(40px, 5vw, 72px); padding-top: 32px; border-top: 1px solid var(--line);
}
.staff-t { font: 400 clamp(24px, 2.2vw, 32px)/1.2 var(--display); }
.staff-p { font: 300 17px/1.7 var(--sans); color: var(--muted); max-width: 64ch; }

/* ---------- Contattaci ---------- */

.home-cta { position: relative; overflow: hidden; padding-block: clamp(100px, 13vw, 190px); text-align: center; border-top: 1px solid var(--line); }
.home-cta-glow { position: absolute; inset: 0; background: radial-gradient(50% 60% at 50% 110%, oklch(0.3 0.04 80), transparent 70%); }
.home-cta-in { position: relative; }
.home-cta-t { font: 400 clamp(56px, 9vw, 150px)/1 var(--display); letter-spacing: -0.025em; margin-top: 28px; }
.home-cta-p { font: 300 18px/1.7 var(--sans); color: var(--muted); max-width: 52ch; margin: 28px auto 0; }
.home-cta-row { display: flex; justify-content: center; gap: 14px; margin-top: 48px; flex-wrap: wrap; }

/* ---------- Descrizioni che si aprono al passaggio ----------
   Solo con mouse e schermo largo; su telefono e tablet restano aperte.
   Si aprono anche col fuoco da tastiera. */

@media (hover: hover) and (min-width: 901px) {
	.area:not(.area-wide) .area-d, .person-bio { grid-template-rows: 0fr; opacity: 0; }
	.area:is(:hover, :focus-visible) .area-d,
	.person:is(:hover, :focus-visible) .person-bio { grid-template-rows: 1fr; opacity: 1; }
}

/* ---------- Movimento (solo se l'utente non l'ha ridotto) ---------- */

@media (prefers-reduced-motion: no-preference) {
	.hero-glow { animation: home-drift 18s ease-in-out infinite alternate; }
	.hero-line { animation: home-grow 1.8s var(--ease) var(--d, 0ms) both; }

	/* Il titolo e' l'elemento LCP: parole che salgono con una dissolvenza
	   breve, al massimo 600 ms compreso il ritardo. */
	.hero-w { animation: home-rise 0.42s var(--ease) var(--d, 0ms) both; }
	.hero-in { animation: home-in 0.5s var(--ease) var(--d, 0ms) both; }

	.area-d { transition: grid-template-rows 0.8s var(--ease), opacity 0.6s var(--ease); }
	.person-bio { transition: grid-template-rows 0.9s var(--ease), opacity 0.6s var(--ease); }
	.area:is(:hover, :focus-visible) .area-n { translate: 8px 0; }
	.person:is(:hover, :focus-visible) .person-photo { scale: 1.06; }

	/* Ritardi a scalare per la comparsa: con le animazioni legate allo
	   scroll si sposta l'intervallo, nel ripiego JS si ritarda la transizione. */
	@supports ((animation-timeline: view()) and (animation-range: entry)) {
		.rv-d1 { animation-range: entry 8% entry 93%; }
		.rv-d2 { animation-range: entry 16% entry 100%; }
	}
	html.rv-js .rv-d1 { transition-delay: 0.1s; }
	html.rv-js .rv-d2 { transition-delay: 0.2s; }
	/* Le celle hanno anche la transizione dello sfondo, che non va ritardata. */
	html.rv-js .area.rv { transition: opacity 1.1s var(--ease), translate 1.1s var(--ease), background 0.6s var(--ease); }
	html.rv-js .area.rv-d1 { transition-delay: 0.1s, 0.1s, 0s; }
	html.rv-js .area.rv-d2 { transition-delay: 0.2s, 0.2s, 0s; }

	/* La griglia disegna le linee con lo sfondo grigio tra le celle: se la
	   cella stessa sale o diventa trasparente si vede una banda grigia.
	   Le celle restano ferme e piene, compare solo il loro contenuto. */
	@supports ((animation-timeline: view()) and (animation-range: entry)) {
		.area.rv { animation: none; }
		.area.rv > * {
			animation: rv-in linear backwards;
			animation-timeline: view();
			animation-range: entry 0% entry 85%;
		}
	}
	html.rv-js .area.rv:not(.in) { opacity: 1; translate: none; }
	html.rv-js .area.rv > * { transition: opacity 1.1s var(--ease), translate 1.1s var(--ease); }
	html.rv-js .area.rv:not(.in) > * { opacity: 0; translate: 0 24px; }
}

@keyframes home-drift { to { translate: -6% 4%; scale: 1.12; } }
@keyframes home-grow { from { scale: 1 0; } }
@keyframes home-rise { from { opacity: 0; translate: 0 0.4em; } }
@keyframes home-in { from { opacity: 0; translate: 0 14px; } }

/* ---------- Schermi stretti ---------- */

@media (max-width: 900px) {
	.areas, .direct, .people, .staff, .hero-foot { grid-template-columns: minmax(0, 1fr); }
	.area-wide { grid-column: auto; }
	.area { min-height: 0; }
	.hero-lines { display: none; }
}