/* ==========================================================================
   Isabella Urru — Costellazioni Familiari
   Palette ufficiale (provvisoria fino a verifica dei file originali):
   Rosa Latte #FFECE7 · Rosa Terracotta #ECBBAD · Terracotta #B5652B
   Blu Petrolio #2F5461 · Rosso Arancio #C73810 · Giallo Miele #D5A441
   Bruno Scuro #3D3028
   NESSUN VERDE in nessuna parte del design (vincolo esplicito del cliente).
   ========================================================================== */

:root {
	--rosa-latte: #FFECE7;
	--rosa-terracotta: #ECBBAD;
	--terracotta: #B5652B;
	--blu-petrolio: #2F5461;
	--rosso-arancio: #C73810;
	--giallo-miele: #D5A441;
	--bruno-scuro: #3D3028;

	--bg: var(--rosa-latte);
	--bg-alt: #FFFFFF;
	--text: var(--bruno-scuro);
	--heading: var(--blu-petrolio);
	--accent: var(--terracotta);
	--accent-strong: var(--rosso-arancio);
	--accent-gold: var(--giallo-miele);

	--font-display: 'Fraunces', serif;
	--font-body: 'Work Sans', sans-serif;

	--radius: 14px;
	--shadow: 0 10px 30px rgba(61, 48, 40, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-body);
	color: var(--text);
	background: var(--bg);
	line-height: 1.6;
	font-size: 17px;
}
img { max-width: 100%; display: block; border-radius: var(--radius); }
a { color: var(--blu-petrolio); text-decoration: none; }
a:hover { color: var(--rosso-arancio); }

h1, h2, h3, h4 {
	font-family: var(--font-display);
	color: var(--heading);
	line-height: 1.2;
	margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.3rem; }

.iu-container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.iu-section { padding: 72px 0; }
.iu-section--alt { background: var(--bg-alt); }

/* Header */
.iu-header {
	position: sticky; top: 0; z-index: 50;
	background: rgba(255, 236, 231, 0.92);
	backdrop-filter: blur(6px);
	border-bottom: 1px solid rgba(61,48,40,0.08);
}
.iu-header-inner {
	display: flex; align-items: center; justify-content: space-between;
	padding: 10px 24px; max-width: 1120px; margin: 0 auto;
}
.iu-logo { display: flex; align-items: center; gap: 12px; }
.iu-logo img { width: 56px; height: 56px; border-radius: 50%; }
.iu-logo-text { font-family: var(--font-display); font-size: 1.1rem; color: var(--blu-petrolio); }
.iu-nav, .iu-nav-fallback {
	display: flex; gap: 22px; list-style: none; margin: 0; padding: 0;
	font-weight: 500;
}
.iu-nav a, .iu-nav-fallback a { color: var(--bruno-scuro); }
.iu-nav a:hover, .iu-nav-fallback a:hover { color: var(--rosso-arancio); }
.iu-nav-toggle { display: none; }

@media (max-width: 760px) {
	.iu-nav, .iu-nav-fallback {
		position: absolute; top: 100%; left: 0; right: 0;
		flex-direction: column; background: var(--bg-alt);
		padding: 16px 24px; box-shadow: var(--shadow);
		display: none;
	}
	.iu-nav.is-open, .iu-nav-fallback.is-open { display: flex; }
	.iu-nav-toggle {
		display: inline-block; background: none; border: none;
		font-size: 1.6rem; color: var(--blu-petrolio); cursor: pointer;
	}
}

/* Hero */
.iu-hero {
	text-align: center; padding: 96px 24px 64px;
	background: linear-gradient(180deg, var(--rosa-latte), var(--rosa-terracotta) 140%);
}
.iu-hero .iu-motto {
	font-family: var(--font-display); font-style: italic;
	font-size: 1.3rem; color: var(--terracotta); margin-top: 12px;
}
.iu-hero-logo { width: 140px; height: 140px; border-radius: 50%; margin: 0 auto 24px; box-shadow: var(--shadow); }

/* Buttons */
.iu-btn {
	display: inline-block; padding: 13px 28px; border-radius: 999px;
	font-weight: 600; font-family: var(--font-body);
	background: var(--rosso-arancio); color: #fff; border: none; cursor: pointer;
	transition: transform .15s ease, background .2s ease;
}
.iu-btn:hover { background: var(--terracotta); color: #fff; transform: translateY(-2px); }
.iu-btn--ghost {
	background: transparent; color: var(--blu-petrolio); border: 2px solid var(--blu-petrolio);
}
.iu-btn--ghost:hover { background: var(--blu-petrolio); color: #fff; }
.iu-btn[aria-disabled="true"] { background: #cfc3bc; color: #fff; cursor: not-allowed; pointer-events: none; }

/* Cards */
.iu-grid { display: grid; gap: 28px; }
.iu-grid--3 { grid-template-columns: repeat(3, 1fr); }
.iu-grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .iu-grid--3, .iu-grid--2 { grid-template-columns: 1fr; } }

.iu-card {
	background: var(--bg-alt); border-radius: var(--radius); padding: 28px;
	box-shadow: var(--shadow); border-top: 4px solid var(--terracotta);
}
.iu-card--metodo { border-top-color: var(--blu-petrolio); }
.iu-card--percorso { border-top-color: var(--giallo-miele); }

/* Pending data marker — never invented, always flagged */
.iu-pending {
	display: inline-block; font-size: 0.8rem; font-weight: 600;
	color: var(--rosso-arancio); background: rgba(199,56,16,0.08);
	border: 1px dashed var(--rosso-arancio); border-radius: 6px;
	padding: 2px 8px; margin-left: 6px;
}

/* Disclaimer */
.iu-disclaimer {
	font-size: 0.92rem; color: var(--blu-petrolio); background: #fff;
	border-left: 4px solid var(--blu-petrolio); padding: 14px 18px;
	border-radius: 8px; max-width: 760px; margin: 28px auto 0;
}

/* Timeline / steps */
.iu-steps { list-style: none; padding: 0; margin: 0; counter-reset: iu-step; }
.iu-steps li {
	counter-increment: iu-step; position: relative; padding-left: 52px; margin-bottom: 22px;
}
.iu-steps li::before {
	content: counter(iu-step); position: absolute; left: 0; top: 0;
	width: 36px; height: 36px; border-radius: 50%; background: var(--giallo-miele);
	color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center;
}

/* Eventi */
.iu-evento { border-left: 4px solid var(--giallo-miele); padding: 16px 20px; margin-bottom: 18px; background: #fff; border-radius: 8px; box-shadow: var(--shadow); }
.iu-evento h3 { margin-bottom: 4px; }
.iu-evento .iu-evento-meta { font-size: 0.9rem; color: var(--blu-petrolio); font-weight: 500; }

/* Mappa città */
.iu-cities { display: flex; flex-wrap: wrap; gap: 12px; }
.iu-city-chip {
	padding: 8px 16px; border-radius: 999px; background: var(--rosa-terracotta);
	color: var(--bruno-scuro); font-weight: 500; font-size: 0.95rem;
}
.iu-city-chip--sede { background: var(--blu-petrolio); color: #fff; }

/* Form contatti */
.iu-form { display: grid; gap: 16px; max-width: 560px; }
.iu-form input, .iu-form textarea {
	padding: 12px 14px; border: 1px solid rgba(61,48,40,0.25); border-radius: 8px;
	font-family: var(--font-body); font-size: 1rem; background: #fff; color: var(--text);
}
.iu-form label { font-weight: 600; margin-bottom: 4px; display: block; }
.iu-form-note { font-size: 0.85rem; color: #6b5c52; }
.iu-honeypot { position: absolute; left: -9999px; }

/* Footer */
.iu-footer {
	background: var(--blu-petrolio); color: #fff; padding: 48px 0 28px; text-align: center;
}
.iu-footer a { color: var(--giallo-miele); }
.iu-footer .iu-social { display: flex; justify-content: center; gap: 18px; margin: 16px 0; }
.iu-footer small { opacity: 0.8; display: block; margin-top: 18px; }

/* WhatsApp floating button */
.iu-wa-float {
	position: fixed; bottom: 22px; right: 22px; z-index: 60;
	background: var(--rosso-arancio); color: #fff; border-radius: 999px;
	padding: 14px 20px; box-shadow: var(--shadow); font-weight: 600;
}
.iu-wa-float[aria-disabled="true"] { background: #cfc3bc; }