/* Roberto Fine · Under Construction: pagina pubblica. Nessuna risorsa esterna. */

@font-face { font-family: 'RF Cormorant'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/cormorant-garamond-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'RF Cormorant'; font-weight: 500; font-style: italic; font-display: swap; src: url('../fonts/cormorant-garamond-500-italic.woff2') format('woff2'); }
@font-face { font-family: 'RF Cormorant'; font-weight: 600; font-style: normal; font-display: swap; src: url('../fonts/cormorant-garamond-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'RF Manrope'; font-weight: 400; font-style: normal; font-display: swap; src: url('../fonts/manrope-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'RF Manrope'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/manrope-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'RF Manrope'; font-weight: 600; font-style: normal; font-display: swap; src: url('../fonts/manrope-600-normal.woff2') format('woff2'); }

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

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: 'RF Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
	font-size: 1rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

.uc {
	--muted: color-mix(in srgb, var(--text) 70%, transparent);
	--line: color-mix(in srgb, var(--text) 16%, transparent);
	--glass: color-mix(in srgb, var(--text) 6%, transparent);
	position: relative;
	min-height: 100vh;
	min-height: 100svh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: clamp(2rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 3rem) clamp(5.5rem, 10vw, 7rem);
	isolation: isolate;
	overflow: hidden;
	--px: 0;
	--py: 0;
}

/* ---------- Sfondo ---------- */
.uc__bg { position: fixed; inset: 0; z-index: -3; background: linear-gradient(155deg, var(--bg) 0%, var(--bg2) 100%); overflow: hidden; }
.uc__bg--solid { background: var(--bg); }
.uc__bg--image {
	background-size: cover;
	background-position: center;
	animation: uc-kb 36s ease-in-out infinite alternate;
	transform-origin: 50% 50%;
}
.uc__bg--image::after {
	content: ''; position: absolute; inset: 0;
	background: linear-gradient(180deg, color-mix(in srgb, var(--bg) var(--overlay), transparent), color-mix(in srgb, var(--bg2) calc(var(--overlay) + 15%), transparent));
}

.blob {
	position: absolute;
	border-radius: 50%;
	filter: blur(70px);
	opacity: var(--blob-o);
	will-change: transform;
	translate: calc(var(--px) * var(--k, 40px)) calc(var(--py) * var(--k, 40px));
	transition: translate 0.9s cubic-bezier(.2, .7, .2, 1);
}
.blob--1 { --k: 60px;  width: 62vmax; height: 62vmax; left: -22vmax; top: -26vmax; background: radial-gradient(circle at 35% 35%, var(--accent), transparent 68%); animation: uc-drift-a 26s ease-in-out infinite alternate; }
.blob--2 { --k: -50px; width: 56vmax; height: 56vmax; right: -20vmax; bottom: -24vmax; background: radial-gradient(circle at 60% 60%, var(--accent2), transparent 68%); animation: uc-drift-b 31s ease-in-out infinite alternate; }
.blob--3 { --k: 90px;  width: 34vmax; height: 34vmax; left: 38%; top: 46%; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 55%, var(--accent2)), transparent 66%); opacity: calc(var(--blob-o) * .7); animation: uc-drift-c 22s ease-in-out infinite alternate; }

@keyframes uc-drift-a { to { transform: translate3d(12vmax, 10vmax, 0) scale(1.12) rotate(18deg); } }
@keyframes uc-drift-b { to { transform: translate3d(-14vmax, -8vmax, 0) scale(1.08) rotate(-14deg); } }
@keyframes uc-drift-c { to { transform: translate3d(-10vmax, 6vmax, 0) scale(1.25); } }
@keyframes uc-kb { to { transform: scale(1.1); } }

.uc__spot {
	position: fixed; inset: 0; z-index: -2; pointer-events: none;
	background: radial-gradient(34rem circle at var(--mx, 50%) var(--my, 40%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
	opacity: 0; transition: opacity 0.8s;
}
.uc.has-pointer .uc__spot { opacity: 1; }

.uc__grain {
	position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .09;
	mix-blend-mode: overlay;
	background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.is-light .uc__grain { opacity: .14; mix-blend-mode: multiply; }

/* ---------- Contenuto ---------- */
.uc__inner { width: min(100%, 44rem); display: flex; flex-direction: column; align-items: center; text-align: center; gap: clamp(1rem, 2.4vw, 1.5rem); }

.uc__logo {
	display: block; width: auto; max-width: min(78vw, 22rem); height: var(--logo-h); object-fit: contain;
	filter: var(--logo-flt) drop-shadow(0 18px 38px color-mix(in srgb, var(--accent) 26%, transparent));
	margin-bottom: .25rem;
}

.uc__eyebrow {
	display: inline-flex; align-items: center; gap: .6rem; margin: 0;
	padding: .5rem 1.05rem; border: 1px solid var(--line); border-radius: 999px;
	background: var(--glass); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
	font-size: .72rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--muted);
}
.uc__eyebrow i { width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); animation: uc-pulse 2.2s ease-out infinite; }
@keyframes uc-pulse { 70% { box-shadow: 0 0 0 .65rem transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.uc__title {
	margin: .25rem 0 0;
	font-family: var(--f-head);
	font-weight: 500;
	font-size: clamp(2.6rem, 8.4vw, 5.8rem);
	line-height: 1.02;
	letter-spacing: -.012em;
	text-wrap: balance;
}
.uc__title em {
	font-style: italic;
	background: linear-gradient(100deg, var(--accent), var(--accent2));
	-webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
	padding-right: .06em;
}

.uc__msg { margin: 0; max-width: 34rem; color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.15rem); line-height: 1.75; text-wrap: pretty; }

/* Conto alla rovescia */
.uc__count { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(.5rem, 2vw, .9rem); width: min(100%, 30rem); margin-top: .5rem; }
.uc__tile {
	display: flex; flex-direction: column; align-items: center; gap: .15rem;
	padding: clamp(.8rem, 2.4vw, 1.2rem) .4rem; border: 1px solid var(--line); border-radius: 1.1rem;
	background: var(--glass); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.uc__tile b { font-family: var(--f-head); font-weight: 500; font-size: clamp(1.7rem, 6vw, 2.6rem); line-height: 1; font-variant-numeric: lining-nums tabular-nums; }
.uc__tile span { font-size: .62rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* Avanzamento */
.uc__progress { width: min(100%, 26rem); display: flex; flex-direction: column; gap: .6rem; align-items: center; }
.uc__bar { width: 100%; height: .5rem; border-radius: 999px; background: var(--glass); border: 1px solid var(--line); overflow: hidden; }
.uc__bar span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width 1.8s cubic-bezier(.2, .7, .2, 1) .9s; box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 55%, transparent); }
.is-ready .uc__bar span, html:not(.js) .uc__bar span { width: var(--p); }
.uc__progress small { font-size: .78rem; letter-spacing: .06em; color: var(--muted); }

/* Pulsante */
.uc__cta {
	position: relative; display: inline-flex; align-items: center; gap: .8rem;
	margin-top: .35rem; padding: .95rem 1.6rem .95rem 1.8rem; border-radius: 999px;
	background: var(--accent); color: var(--on-accent); font-weight: 600; font-size: .95rem; text-decoration: none; letter-spacing: .01em;
	box-shadow: 0 18px 40px -16px color-mix(in srgb, var(--accent) 80%, transparent), inset 0 1px 0 rgba(255,255,255,.25);
	transition: transform .35s cubic-bezier(.2, .7, .2, 1), box-shadow .35s, background .35s;
}
.uc__cta svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s; }
.uc__cta:hover, .uc__cta:focus-visible { transform: translateY(-3px); box-shadow: 0 24px 46px -16px color-mix(in srgb, var(--accent) 90%, transparent), inset 0 1px 0 rgba(255,255,255,.3); }
.uc__cta:hover svg { transform: translateX(4px); }

/* Social */
.uc__social { list-style: none; margin: .4rem 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.uc__social a {
	display: grid; place-items: center; width: 2.9rem; height: 2.9rem; border-radius: 50%;
	border: 1px solid var(--line); background: var(--glass); color: var(--text);
	-webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
	transition: transform .3s, background .3s, color .3s, border-color .3s;
}
.uc__social svg { width: 1.2rem; height: 1.2rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.uc__social a:hover, .uc__social a:focus-visible { transform: translateY(-3px); background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* Lingue */
.uc__langs { position: absolute; top: clamp(1rem, 3vw, 1.75rem); right: clamp(1rem, 3vw, 1.75rem); display: flex; gap: .25rem; padding: .25rem; border: 1px solid var(--line); border-radius: 999px; background: var(--glass); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); z-index: 2; }
.uc__langs a { padding: .3rem .7rem; border-radius: 999px; font-size: .7rem; font-weight: 600; letter-spacing: .14em; color: var(--muted); text-decoration: none; transition: background .25s, color .25s; }
.uc__langs a:hover { color: var(--text); }
.uc__langs a[aria-current] { background: var(--accent); color: var(--on-accent); }

/* Piè */
.uc__foot { position: absolute; left: 0; right: 0; bottom: clamp(1rem, 3vw, 1.75rem); display: flex; flex-direction: column; align-items: center; gap: .5rem; padding-inline: 1.25rem; text-align: center; }
.uc__note { margin: 0; font-size: .8rem; color: var(--muted); max-width: 32rem; }
.uc__credit { display: inline-flex; align-items: center; gap: .55rem; color: var(--muted); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; opacity: .75; transition: opacity .3s; }
.uc__credit img { width: 1.4rem; height: auto; filter: drop-shadow(0 2px 8px rgba(0,0,0,.25)); }
.uc__credit strong { color: var(--text); font-weight: 600; }
.uc__credit:hover, .uc__credit:focus-visible { opacity: 1; }

a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Animazioni d'ingresso (solo con JS) ---------- */
.js [data-r] { opacity: 0; transform: translateY(26px); }
.js .is-ready [data-r] { opacity: 1; transform: none; transition: opacity 1s cubic-bezier(.16, 1, .3, 1), transform 1.1s cubic-bezier(.16, 1, .3, 1); transition-delay: calc(var(--d, 0) * 110ms + 150ms); }
.js .uc__logo[data-r] { transform: translateY(18px) scale(.9); }
.js .is-ready .uc__logo[data-r] { transform: none; }

.js .uc__title .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .12em; margin-bottom: -.12em; }
.js .uc__title .w > span { display: inline-block; transform: translateY(112%) rotate(3deg); }
.js .is-ready .uc__title .w > span { transform: none; transition: transform 1.15s cubic-bezier(.16, 1, .3, 1); transition-delay: calc(var(--i) * 75ms + 280ms); }

.uc[data-motion="0"] *, .uc[data-motion="0"] *::before, .uc[data-motion="0"] *::after { animation: none !important; }

@media (max-width: 520px) {
	.uc__langs { position: static; margin-bottom: 1.25rem; }
	.uc { justify-content: flex-start; padding-top: 2rem; }
	.uc__inner { margin-block: auto; }
	.uc__cta { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
	.js [data-r], .js .uc__title .w > span { opacity: 1; transform: none; }
	.uc__bar span { width: var(--p); }
}