/* ==========================================================================
   Costantia Edizioni — stili del tema (v2: outdoor & combattimento)
   ========================================================================== */

:root {
	--cst-notte: #101311;
	--cst-roccia: #181d1a;
	--cst-muschio: #222c25;
	--cst-bosco: #2c4434;
	--cst-salvia: #9fb39b;
	--cst-osso: #f3f0e8;
	--cst-sabbia: #e6dfcf;
	--cst-bianco: #fffdf8;
	--cst-chiaro: #dcd9cf;
	--cst-chiaro-tenue: #98a097;
	--cst-scuro: #1c211d;
	--cst-scuro-tenue: #5a625a;
	--cst-filo-chiaro: rgba(255, 255, 255, .1);
	--cst-filo-scuro: rgba(28, 33, 29, .14);
	--cst-accento: #e2602b;
	--cst-titoli: "Barlow Condensed", "Arial Narrow", "Helvetica Neue Condensed", Impact, sans-serif;
	--cst-testo: "Barlow", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	--cst-larghezza: 1240px;
	--cst-raggio: 3px;
	--cst-ombra-libro: 0 2px 4px rgba(0, 0, 0, .25), 0 22px 40px -14px rgba(0, 0, 0, .6);
	--cst-curva: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
	margin: 0;
	background: var(--cst-osso);
	color: var(--cst-scuro);
	font-family: var(--cst-testo);
	font-size: 17.5px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
body.cst-menu-aperto { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--cst-accento); text-underline-offset: 3px; }
a:hover { color: var(--cst-scuro); }
::selection { background: var(--cst-accento); color: #fff; }
:focus-visible { outline: 2px solid var(--cst-accento); outline-offset: 3px; }

h1, h2, h3, h4 {
	font-family: var(--cst-titoli);
	font-weight: 800;
	line-height: .98;
	text-transform: uppercase;
	letter-spacing: .005em;
	margin: 0 0 .5em;
}

.screen-reader-text {
	border: 0; clip: rect(1px,1px,1px,1px); clip-path: inset(50%);
	height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0;
	position: absolute !important; word-wrap: normal !important;
}
.cst-salta { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--cst-accento); color: #fff; padding: .6em 1em; }
.cst-salta:focus { left: 1rem; top: 1rem; }

.cst-contenitore { position: relative; z-index: 2; width: 100%; max-width: var(--cst-larghezza); margin: 0 auto; padding: 0 28px; }
.cst-contenitore--testo { max-width: 820px; }

/* Icone */
.cst-icona { width: 1.25em; height: 1.25em; flex: none; }

/* Occhiello con trattino */
.cst-occhiello {
	display: inline-flex; align-items: center; gap: 12px;
	font-family: var(--cst-titoli);
	font-size: 15px; font-weight: 700;
	letter-spacing: .22em; text-transform: uppercase;
	color: var(--cst-accento);
	margin: 0 0 18px;
}
.cst-occhiello__linea { display: inline-block; width: 34px; height: 3px; background: currentColor; transform: skewX(-25deg); }

/* --------------------------------------------------------------------------
   Sfondo topografico e crinali
   -------------------------------------------------------------------------- */
.cst-topo {
	position: absolute; inset: -10%;
	background: url(../img/topo.svg) center / cover no-repeat;
	opacity: .07;
	pointer-events: none;
	z-index: 0;
	animation: cst-deriva 60s ease-in-out infinite alternate;
}
.cst-topo--tenue { opacity: .045; }
@keyframes cst-deriva {
	from { transform: translate3d(-2%, -1%, 0) rotate(-1deg) scale(1.02); }
	to   { transform: translate3d(2%, 1.5%, 0) rotate(1deg) scale(1.06); }
}

.cst-crinale { position: absolute; left: 0; right: 0; bottom: -1px; height: clamp(50px, 9vw, 130px); z-index: 1; pointer-events: none; line-height: 0; }
.cst-crinale svg { width: 100%; height: 100%; display: block; }
.cst-crinale--hero { color: var(--cst-roccia); --cst-crinale-retro: #1f3026; }
.cst-crinale--chiaro { color: var(--cst-osso); --cst-crinale-retro: #24392b; }
.cst-crinale--piede { color: var(--cst-notte); --cst-crinale-retro: #2c4434; top: auto; bottom: 100%; margin-bottom: -1px; }

/* --------------------------------------------------------------------------
   Pulsanti
   -------------------------------------------------------------------------- */
.cst-btn {
	position: relative;
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: .8em 1.5em;
	border: 2px solid transparent;
	border-radius: var(--cst-raggio);
	font-family: var(--cst-titoli);
	font-size: 17px; font-weight: 700;
	letter-spacing: .08em; text-transform: uppercase;
	line-height: 1.1;
	text-decoration: none;
	cursor: pointer;
	overflow: hidden;
	isolation: isolate;
	transition: color .25s var(--cst-curva), border-color .25s var(--cst-curva), transform .25s var(--cst-curva), box-shadow .25s var(--cst-curva);
}
.cst-btn::before { /* riempimento a scatto */
	content: ""; position: absolute; inset: 0; z-index: -1;
	transform: translateX(-130%) skewX(-20deg); transform-origin: left;
	transition: transform .35s var(--cst-curva);
}
.cst-btn:hover::before { transform: translateX(0) skewX(0); }
.cst-btn:hover { transform: translateY(-2px); }
.cst-btn:active { transform: translateY(0); }

.cst-btn--accento { background: var(--cst-accento); border-color: var(--cst-accento); color: #fff; box-shadow: 0 10px 24px -12px var(--cst-accento); }
.cst-btn--accento::before { background: var(--cst-scuro); }
.cst-btn--accento:hover { color: #fff; border-color: var(--cst-scuro); }
.cst-sezione--scura .cst-btn--accento::before, .cst-hero .cst-btn--accento::before, .cst-testata .cst-btn--accento::before, .cst-libro__testata .cst-btn--accento::before { background: #fff; }
.cst-sezione--scura .cst-btn--accento:hover, .cst-hero .cst-btn--accento:hover, .cst-testata .cst-btn--accento:hover, .cst-libro__testata .cst-btn--accento:hover { color: var(--cst-scuro); border-color: #fff; }

.cst-btn--chiaro { border-color: rgba(255,255,255,.4); color: #fff; background: transparent; }
.cst-btn--chiaro::before { background: #fff; }
.cst-btn--chiaro:hover { color: var(--cst-scuro); border-color: #fff; }

.cst-btn--bordo { border-color: currentColor; color: var(--cst-scuro); background: transparent; }
.cst-btn--bordo::before { background: var(--cst-scuro); }
.cst-btn--bordo:hover { color: #fff; border-color: var(--cst-scuro); }
.cst-sezione--scura .cst-btn--bordo, .cst-libro__testata .cst-btn--bordo { color: #fff; border-color: rgba(255,255,255,.45); }
.cst-sezione--scura .cst-btn--bordo::before, .cst-libro__testata .cst-btn--bordo::before { background: #fff; }
.cst-sezione--scura .cst-btn--bordo:hover, .cst-libro__testata .cst-btn--bordo:hover { color: var(--cst-scuro); border-color: #fff; }

.cst-btn--scuro { background: var(--cst-scuro); color: #fff; }
.cst-btn--scuro::before { background: var(--cst-accento); }
.cst-btn--scuro:hover { color: #fff; }

.cst-btn--grande { font-size: 19px; padding: 1em 1.9em; }

.cst-btn--acquisto { flex-direction: column; align-items: flex-start; gap: 2px; padding: .85em 1.5em; }
.cst-btn__azione { font-size: 18px; }
.cst-btn__formato { font-family: var(--cst-testo); font-size: 13.5px; font-weight: 500; letter-spacing: .02em; text-transform: none; opacity: .85; }

.cst-acquista { display: flex; flex-wrap: wrap; gap: 12px; margin: 2rem 0; }
.cst-acquista--compatto { margin: 0; gap: 8px; }
.cst-acquista--compatto .cst-btn { padding: .5em .85em; font-size: 14px; letter-spacing: .1em; box-shadow: none; }

.cst-prossimamente {
	display: inline-flex; align-items: center; gap: 8px;
	margin: 0;
	font-family: var(--cst-titoli); font-size: 15px; font-weight: 700;
	letter-spacing: .14em; text-transform: uppercase;
	color: var(--cst-accento);
}
.cst-prossimamente::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: cst-pulsa 1.6s ease-in-out infinite; }
@keyframes cst-pulsa { 50% { opacity: .25; transform: scale(.7); } }

.cst-link-freccia {
	display: inline-flex; align-items: center; gap: 10px;
	font-family: var(--cst-titoli); font-size: 17px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
	text-decoration: none; color: inherit; white-space: nowrap;
}
.cst-link-freccia::after { content: ""; width: 28px; height: 2px; background: var(--cst-accento); transition: width .3s var(--cst-curva); }
.cst-link-freccia:hover { color: var(--cst-accento); }
.cst-link-freccia:hover::after { width: 46px; }

/* --------------------------------------------------------------------------
   Testata
   -------------------------------------------------------------------------- */
.cst-testata {
	position: sticky; top: 0; z-index: 100;
	background: rgba(16, 19, 17, .92);
	backdrop-filter: saturate(140%) blur(10px);
	-webkit-backdrop-filter: saturate(140%) blur(10px);
	border-bottom: 1px solid var(--cst-filo-chiaro);
	color: #fff;
	transition: background-color .3s ease;
}
.admin-bar .cst-testata { top: 32px; }
@media (max-width: 782px) { .admin-bar .cst-testata { top: 46px; } }
@media (max-width: 600px) { .admin-bar .cst-testata { top: 0; } }

.cst-testata__riga { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 82px; transition: min-height .3s var(--cst-curva); }
.cst-testata.is-scorrimento .cst-testata__riga { min-height: 64px; }
.cst-testata.is-scorrimento { background: rgba(16, 19, 17, .98); }

.cst-marchio__testo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.cst-marchio__testo:hover { color: #fff; }
.cst-marchio__segno { display: flex; }

/* Rosa dei venti (marchio) */
.cst-rosa {
	--rv-luce: #ffffff; --rv-ombra: #aab2a8; --rv-ic1: #6d776e; --rv-ic2: #4b544c;
	--rv-nord: var(--cst-accento); --rv-nord-ombra: #a8441c; --rv-anello: #7d867c; --rv-centro: var(--cst-notte);
	flex: none; overflow: visible;
}
.cst-rosa__corpo { transform-origin: 20px 20px; transform-box: view-box; }
.cst-marchio__testo:hover .cst-rosa__corpo { animation: cst-ago 1.4s var(--cst-curva); }
@keyframes cst-ago {
	0% { transform: rotate(0); }
	25% { transform: rotate(38deg); }
	45% { transform: rotate(-22deg); }
	62% { transform: rotate(12deg); }
	78% { transform: rotate(-5deg); }
	100% { transform: rotate(0); }
}
.cst-marchio__parole { display: flex; flex-direction: column; line-height: 1; }
.cst-marchio__nome { font-family: var(--cst-titoli); font-size: 27px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.cst-marchio__sotto { font-family: var(--cst-titoli); font-size: 12px; font-weight: 600; letter-spacing: .5em; text-transform: uppercase; color: var(--cst-chiaro-tenue); margin-top: 4px; }
.cst-marchio .custom-logo { max-height: 54px; width: auto; }

.cst-navigazione { display: flex; align-items: center; gap: 32px; }
.cst-menu { list-style: none; margin: 0; padding: 0; display: flex; gap: 26px; }
.cst-menu a {
	position: relative;
	font-family: var(--cst-titoli); font-size: 17px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
	color: var(--cst-chiaro); text-decoration: none; padding: 8px 0;
}
.cst-menu a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 2px; background: var(--cst-accento); transition: right .3s var(--cst-curva); }
.cst-menu a:hover, .cst-menu .current-menu-item > a, .cst-menu .current_page_item > a { color: #fff; }
.cst-menu a:hover::after, .cst-menu .current-menu-item > a::after, .cst-menu .current_page_item > a::after { right: 0; }
.cst-menu li { position: relative; }
.cst-menu .sub-menu { display: none; position: absolute; top: 100%; left: -18px; background: var(--cst-notte); border: 1px solid var(--cst-filo-chiaro); list-style: none; padding: 12px 18px; margin: 0; min-width: 240px; }
.cst-menu li:hover > .sub-menu, .cst-menu li:focus-within > .sub-menu { display: block; }
.cst-menu .sub-menu a { display: block; padding: 7px 0; }
.cst-testata__cta { font-size: 16px; padding: .6em 1.1em; box-shadow: none; white-space: nowrap; flex: none; }
.cst-menu a { white-space: nowrap; }

.cst-menu-toggle { display: none; background: none; border: 0; padding: 12px; cursor: pointer; color: #fff; }
.cst-menu-toggle__barre, .cst-menu-toggle__barre::before, .cst-menu-toggle__barre::after { display: block; width: 26px; height: 2px; background: currentColor; position: relative; transition: transform .25s ease, background-color .25s ease; }
.cst-menu-toggle__barre::before, .cst-menu-toggle__barre::after { content: ""; position: absolute; left: 0; }
.cst-menu-toggle__barre::before { top: -8px; }
.cst-menu-toggle__barre::after { top: 8px; width: 18px; }
.cst-menu-toggle[aria-expanded="true"] .cst-menu-toggle__barre { background: transparent; }
.cst-menu-toggle[aria-expanded="true"] .cst-menu-toggle__barre::before { transform: translateY(8px) rotate(45deg); }
.cst-menu-toggle[aria-expanded="true"] .cst-menu-toggle__barre::after { width: 26px; transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 960px) {
	.cst-testata, .cst-testata.is-scorrimento { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--cst-notte); }
	.cst-menu-toggle { display: block; }
	.cst-navigazione {
		position: fixed; inset: 82px 0 0 0;
		flex-direction: column; align-items: stretch; gap: 28px;
		background: var(--cst-notte);
		padding: 28px 28px 40px;
		overflow-y: auto;
		opacity: 0; visibility: hidden; transform: translateY(-12px);
		transition: opacity .25s ease, transform .3s var(--cst-curva), visibility .25s;
	}
	.cst-testata.is-scorrimento .cst-navigazione { inset: 64px 0 0 0; }
	.cst-navigazione.is-aperto { opacity: 1; visibility: visible; transform: none; }
	.cst-menu { flex-direction: column; gap: 0; }
	.cst-menu a { display: block; font-size: 30px; font-weight: 800; padding: 12px 0; border-bottom: 1px solid var(--cst-filo-chiaro); }
	.cst-menu a::after { display: none; }
	.cst-menu .sub-menu { position: static; display: block; border: 0; background: none; padding: 0 0 0 18px; }
	.cst-menu .sub-menu a { font-size: 22px; }
	.cst-testata__cta { align-self: flex-start; font-size: 19px; padding: .9em 1.6em; }
}

/* --------------------------------------------------------------------------
   Copertine
   -------------------------------------------------------------------------- */
[data-tilt] { --cst-rx: 0deg; --cst-ry: 0deg; --cst-lx: 50%; --cst-ly: 50%; perspective: 900px; }
.cst-copertina {
	position: relative;
	aspect-ratio: 2 / 3;
	background: var(--cst-muschio);
	box-shadow: var(--cst-ombra-libro);
	border-radius: 2px 4px 4px 2px;
	overflow: hidden;
	transform: rotateX(var(--cst-rx, 0deg)) rotateY(var(--cst-ry, 0deg));
	transition: transform .5s var(--cst-curva), box-shadow .5s var(--cst-curva);
	will-change: transform;
}
.is-inclinato .cst-copertina { transition: transform .08s linear, box-shadow .3s ease; }
.cst-copertina::before { /* dorso */
	content: ""; position: absolute; inset: 0 auto 0 0; width: 7px; z-index: 2;
	background: linear-gradient(90deg, rgba(0,0,0,.35), rgba(255,255,255,.14) 55%, transparent);
	pointer-events: none;
}
.cst-copertina::after { /* riflesso */
	content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
	background: radial-gradient(circle at var(--cst-lx, 50%) var(--cst-ly, 50%), rgba(255,255,255,.22), transparent 55%);
	opacity: 0; transition: opacity .3s ease;
}
.is-inclinato .cst-copertina::after { opacity: 1; }
.cst-copertina img { width: 100%; height: 100%; object-fit: cover; }

.cst-copertina__segnaposto {
	position: absolute; inset: 0;
	display: flex; flex-direction: column; align-items: center; justify-content: space-between;
	padding: 13% 10% 11%;
	background:
		url(../img/topo.svg) center / 260% auto no-repeat,
		linear-gradient(160deg, var(--cst-bosco), var(--cst-notte) 85%);
	background-blend-mode: soft-light, normal;
	color: var(--cst-osso);
	text-align: center;
}
.cst-copertina__autore { font-family: var(--cst-titoli); font-size: clamp(10px, 1vw, 13px); font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: var(--cst-salvia); }
.cst-copertina__icona { width: 26%; height: auto; color: var(--cst-accento); stroke-width: 1.3; margin-top: auto; margin-bottom: 8%; }
.cst-copertina__titolo { font-family: var(--cst-titoli); font-size: clamp(18px, 2vw, 30px); overflow-wrap: break-word; hyphens: auto; max-width: 100%; line-height: .95; font-weight: 800; text-transform: uppercase; margin-bottom: auto; }
.cst-copertina__marchio { font-family: var(--cst-titoli); font-size: clamp(9px, .85vw, 12px); font-weight: 700; letter-spacing: .34em; text-transform: uppercase; color: var(--cst-chiaro-tenue); }

.cst-etichetta {
	position: absolute; top: 14px; right: -36px; z-index: 3;
	width: 140px; text-align: center;
	background: var(--cst-accento); color: #fff;
	font-family: var(--cst-titoli); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
	padding: 5px 0;
	transform: rotate(35deg) translate(4px, 10px);
	box-shadow: 0 4px 10px rgba(0,0,0,.3);
}

/* --------------------------------------------------------------------------
   Apertura (hero)
   -------------------------------------------------------------------------- */
.cst-hero {
	position: relative;
	overflow: hidden;
	background:
		radial-gradient(ellipse 60% 70% at 78% 40%, rgba(44, 68, 52, .75), transparent 70%),
		radial-gradient(ellipse 40% 50% at 10% 100%, rgba(226, 96, 43, .14), transparent 70%),
		var(--cst-notte);
	color: var(--cst-chiaro);
	padding: clamp(70px, 9vw, 130px) 0 clamp(120px, 14vw, 210px);
}
.cst-hero--foto { background: linear-gradient(100deg, rgba(16,19,17,.94) 25%, rgba(16,19,17,.55) 70%, rgba(16,19,17,.75)), var(--cst-foto) center / cover no-repeat, var(--cst-notte); }
.cst-hero--foto .cst-topo { opacity: .05; }
.cst-hero__griglia { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }

.cst-hero__titolo { font-size: clamp(52px, 7vw, 104px); color: #fff; margin-bottom: 28px; }
.cst-hero__titolo > span { display: block; }
.cst-evidenzia { color: var(--cst-accento); position: relative; }
.cst-hero__descrizione { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: var(--cst-chiaro); max-width: 40ch; margin: 0 0 38px; }
.cst-hero__azioni { display: flex; flex-wrap: wrap; gap: 14px; }

/* Entrata dell'apertura */
.cst-entra { opacity: 0; transform: translateY(26px); animation: cst-entra .9s var(--cst-curva) forwards; }
.cst-entra:nth-child(1) { animation-delay: .05s; }
.cst-entra:nth-child(2) { animation-delay: .15s; }
.cst-entra:nth-child(3) { animation-delay: .3s; }
.cst-entra:nth-child(4) { animation-delay: .42s; }
@keyframes cst-entra { to { opacity: 1; transform: none; } }

/* Ventaglio di copertine */
.cst-ventaglio { position: relative; height: clamp(380px, 40vw, 540px); }
.cst-ventaglio__libro {
	position: absolute; top: 50%; left: 50%;
	width: clamp(190px, 21vw, 290px);
	opacity: 0;
	animation: cst-ventaglio 1.1s var(--cst-curva) forwards;
	transition: transform .5s var(--cst-curva), z-index 0s;
}
.cst-ventaglio__libro--0 { z-index: 3; --cst-pos: translate(-50%, -50%); animation-delay: .35s; }
.cst-ventaglio__libro--1 { z-index: 2; --cst-pos: translate(-108%, -46%) rotate(-11deg) scale(.86); animation-delay: .55s; }
.cst-ventaglio__libro--2 { z-index: 1; --cst-pos: translate(8%, -44%) rotate(10deg) scale(.86); animation-delay: .7s; }
.cst-ventaglio--1 .cst-ventaglio__libro--0, .cst-ventaglio--2 .cst-ventaglio__libro--0 { --cst-pos: translate(-40%, -50%) rotate(3deg); }
@keyframes cst-ventaglio {
	from { opacity: 0; translate: 0 90px; scale: .85; }
	to   { opacity: 1; translate: 0 0; scale: 1; }
}
.cst-ventaglio__libro { transform: var(--cst-pos); }
.cst-ventaglio__libro .cst-copertina { box-shadow: 0 4px 8px rgba(0,0,0,.4), 0 40px 70px -20px rgba(0,0,0,.8); }
.cst-ventaglio__libro:hover { z-index: 4; }
.cst-ventaglio__libro--1:hover { transform: translate(-112%, -50%) rotate(-13deg) scale(.9); }
.cst-ventaglio__libro--2:hover { transform: translate(12%, -48%) rotate(12deg) scale(.9); }
.cst-ventaglio__libro--0:hover { transform: translate(-50%, -53%); }
.cst-ventaglio::before { /* alone */
	content: ""; position: absolute; left: 50%; top: 52%; width: 70%; aspect-ratio: 1; transform: translate(-50%, -50%);
	background: radial-gradient(circle, rgba(226, 96, 43, .28), transparent 65%);
	filter: blur(10px);
}

@media (max-width: 900px) {
	.cst-hero__griglia { grid-template-columns: 1fr; gap: 24px; }
	.cst-ventaglio { height: 360px; }
	.cst-ventaglio__libro { width: 170px; }
}

/* --------------------------------------------------------------------------
   Striscia scorrevole
   -------------------------------------------------------------------------- */
.cst-striscia {
	position: relative; z-index: 3;
	background: var(--cst-accento);
	color: #fff;
	overflow: hidden;
	transform: rotate(-1.4deg) scale(1.03);
	box-shadow: 0 16px 30px -18px rgba(0,0,0,.6);
}
.cst-striscia-box { position: relative; z-index: 3; overflow: hidden; margin: -54px 0 -32px; padding: 26px 0; background: linear-gradient(transparent 50%, var(--cst-roccia) 50%); }
.cst-striscia__nastro { display: flex; align-items: center; width: max-content; padding: 16px 0; animation: cst-nastro 45s linear infinite; }
.cst-striscia span { font-family: var(--cst-titoli); font-size: clamp(20px, 2.4vw, 30px); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; padding: 0 26px; }
.cst-striscia i { width: 12px; height: 12px; background: var(--cst-notte); transform: rotate(45deg); flex: none; }
.cst-striscia:hover .cst-striscia-box { position: relative; z-index: 3; overflow: hidden; margin: -54px 0 -32px; padding: 26px 0; background: linear-gradient(transparent 50%, var(--cst-roccia) 50%); }
.cst-striscia__nastro { animation-play-state: paused; }
@keyframes cst-nastro { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   Sezioni
   -------------------------------------------------------------------------- */
.cst-sezione { position: relative; padding: clamp(80px, 9vw, 130px) 0; }
.cst-sezione--stretta { padding-top: 64px; }
.cst-sezione--scura { background: var(--cst-roccia); color: var(--cst-chiaro); overflow: hidden; }
.cst-sezione--scura h2, .cst-sezione--scura h3 { color: #fff; }
.cst-sezione--chiara { background: var(--cst-osso); }
.cst-sezione__testa { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 56px; }
.cst-sezione__titolo { font-size: clamp(44px, 6vw, 78px); margin: 0; }
.cst-sezione--scura .cst-link-freccia { color: #fff; }

.cst-vuoto { text-align: center; color: var(--cst-scuro-tenue); padding: 40px 0; }

/* Comparsa allo scorrimento */
.cst-js .cst-rivela { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--cst-curva), transform .8s var(--cst-curva); transition-delay: var(--cst-ritardo, 0ms); }
.cst-js .cst-rivela.is-visibile { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Collane
   -------------------------------------------------------------------------- */
.cst-collane { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px; }
.cst-collane a {
	position: relative; overflow: hidden;
	display: flex; flex-direction: column; gap: 12px;
	height: 100%; min-height: 290px;
	padding: 30px 28px 26px;
	background: var(--cst-muschio);
	border: 1px solid var(--cst-filo-chiaro);
	border-radius: var(--cst-raggio);
	color: var(--cst-chiaro);
	text-decoration: none;
	transition: transform .4s var(--cst-curva), background-color .4s ease, border-color .4s ease;
}
.cst-collane a::before { /* linee topografiche sulla scheda */
	content: ""; position: absolute; inset: 0;
	background: url(../img/topo.svg) 70% 30% / 300% auto no-repeat;
	opacity: .06; transition: opacity .4s ease, transform 1.2s var(--cst-curva);
}
.cst-collane a::after { /* barra in basso */
	content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: 100%;
	background: var(--cst-accento); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--cst-curva);
}
.cst-collane a:hover { transform: translateY(-6px); background: var(--cst-bosco); border-color: rgba(255,255,255,.18); color: #fff; }
.cst-collane a:hover::before { opacity: .14; transform: scale(1.1) rotate(2deg); }
.cst-collane a:hover::after { transform: scaleX(1); }
.cst-collane a > * { position: relative; }
.cst-collane__icona { display: flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: rgba(226, 96, 43, .12); color: var(--cst-accento); margin-bottom: 10px; transition: transform .5s var(--cst-curva), background-color .4s ease, color .4s ease; }
.cst-collane__icona .cst-icona { width: 32px; height: 32px; }
.cst-collane a:hover .cst-collane__icona { transform: rotate(-10deg) scale(1.08); background: var(--cst-accento); color: #fff; }
.cst-collane__numero { position: absolute !important; top: 18px; right: 22px; font-family: var(--cst-titoli); font-size: 64px; font-weight: 800; line-height: 1; color: rgba(255,255,255,.06); }
.cst-collane__nome { font-family: var(--cst-titoli); font-size: clamp(26px, 2.2vw, 31px); overflow-wrap: break-word; hyphens: auto; font-weight: 800; line-height: 1; text-transform: uppercase; color: #fff; }
.cst-collane__desc { font-size: 15.5px; line-height: 1.5; color: var(--cst-chiaro-tenue); }
.cst-collane a:hover .cst-collane__desc { color: var(--cst-chiaro); }
.cst-collane__conta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-family: var(--cst-titoli); font-size: 15px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--cst-accento); padding-top: 14px; border-top: 1px solid var(--cst-filo-chiaro); }
.cst-collane__conta svg { transition: transform .3s var(--cst-curva); }
.cst-collane a:hover .cst-collane__conta svg { transform: translateX(6px); }

/* --------------------------------------------------------------------------
   Griglia libri
   -------------------------------------------------------------------------- */
.cst-griglia { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 64px 40px; }
@media (max-width: 560px) { .cst-griglia { grid-template-columns: repeat(2, 1fr); gap: 44px 18px; } }

.cst-card { display: flex; flex-direction: column; }
.cst-card__copertina { position: relative; display: block; }
.cst-card__copertina .cst-copertina { transition: transform .5s var(--cst-curva), box-shadow .5s var(--cst-curva); }
.cst-card:hover .cst-copertina { box-shadow: 0 4px 8px rgba(0,0,0,.25), 0 34px 50px -16px rgba(0,0,0,.6); }
.cst-card:not(:hover) .cst-card__copertina:not(.is-inclinato) .cst-copertina { transform: none; }
.cst-card:hover .cst-card__copertina:not(.is-inclinato) .cst-copertina { transform: translateY(-8px); }
.cst-card__scopri {
	position: absolute; left: 50%; bottom: 16px; z-index: 4;
	transform: translate(-50%, 10px);
	background: var(--cst-scuro); color: #fff;
	font-family: var(--cst-titoli); font-size: 14px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
	padding: 7px 14px; white-space: nowrap;
	opacity: 0; transition: opacity .3s ease, transform .4s var(--cst-curva);
	pointer-events: none;
}
.cst-card:hover .cst-card__scopri { opacity: 1; transform: translate(-50%, 0); }
.cst-card__testo { padding-top: 22px; display: flex; flex-direction: column; flex: 1; }
.cst-card__collana { display: flex; align-items: center; gap: 7px; font-family: var(--cst-titoli); font-size: 13.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cst-accento); margin: 0 0 8px; }
.cst-card__collana .cst-icona { width: 17px; height: 17px; }
.cst-card__titolo { font-size: 27px; overflow-wrap: break-word; hyphens: auto; line-height: 1; margin: 0 0 8px; }
.cst-card__titolo a { color: inherit; text-decoration: none; background: linear-gradient(var(--cst-accento), var(--cst-accento)) 0 100% / 0 2px no-repeat; transition: background-size .4s var(--cst-curva); }
.cst-card__titolo a:hover { background-size: 100% 2px; color: inherit; }
.cst-card__sottotitolo { font-size: 15px; line-height: 1.4; color: var(--cst-scuro-tenue); margin: 0 0 16px; }
.cst-sezione--scura .cst-card__sottotitolo { color: var(--cst-chiaro-tenue); }
.cst-card .cst-acquista, .cst-card .cst-prossimamente { margin-top: auto; }

/* --------------------------------------------------------------------------
   Numeri
   -------------------------------------------------------------------------- */
.cst-numeri { position: relative; overflow: hidden; background: var(--cst-bosco); color: #fff; padding: 72px 0; }
.cst-numeri__griglia { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }
.cst-numeri__voce { display: flex; flex-direction: column; gap: 6px; padding-left: 22px; border-left: 3px solid var(--cst-accento); }
.cst-numeri__cifra { font-family: var(--cst-titoli); font-size: clamp(56px, 6vw, 86px); font-weight: 800; line-height: .9; font-variant-numeric: tabular-nums; }
.cst-numeri__etichetta { font-family: var(--cst-titoli); font-size: 17px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--cst-salvia); }

/* --------------------------------------------------------------------------
   Chi siamo
   -------------------------------------------------------------------------- */
.cst-chi { background: var(--cst-osso); }
.cst-chi__griglia { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; align-items: start; }
.cst-chi__titolo { font-size: clamp(48px, 6.4vw, 88px); }
.cst-chi__testo { font-size: 20px; line-height: 1.65; color: var(--cst-scuro); padding-top: 38px; }
.cst-chi__testo p:first-child { margin-top: 0; }
.cst-chi__testo p:first-child::first-letter { float: left; font-family: var(--cst-titoli); font-weight: 800; font-size: 4.2em; line-height: .8; margin: .06em .12em 0 0; color: var(--cst-accento); }
.cst-valori { list-style: none; padding: 0; margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 14px; }
.cst-valori li { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 14px; border: 2px solid var(--cst-scuro); border-radius: var(--cst-raggio); font-family: var(--cst-titoli); font-size: 18px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; transition: background-color .3s ease, color .3s ease, transform .3s var(--cst-curva); }
.cst-valori li .cst-icona { color: var(--cst-accento); width: 24px; height: 24px; transition: color .3s ease; }
.cst-valori li:hover { background: var(--cst-scuro); color: #fff; transform: translateY(-3px); }
@media (max-width: 900px) { .cst-chi__griglia { grid-template-columns: 1fr; gap: 0; } .cst-chi__testo { padding-top: 12px; } }

/* --------------------------------------------------------------------------
   Intestazioni scure (catalogo, pagine)
   -------------------------------------------------------------------------- */
.cst-intestazione { position: relative; padding: 72px 0 48px; }
.cst-intestazione--scura {
	overflow: hidden;
	background: radial-gradient(ellipse 50% 80% at 85% 20%, rgba(44, 68, 52, .8), transparent 70%), var(--cst-notte);
	color: var(--cst-chiaro);
	padding: clamp(70px, 8vw, 110px) 0 clamp(110px, 12vw, 170px);
}
.cst-intestazione__titolo { display: flex; align-items: center; gap: 18px; font-size: clamp(56px, 8vw, 110px); color: #fff; margin-bottom: 20px; }
.cst-intestazione__icona { width: .7em; height: .7em; color: var(--cst-accento); stroke-width: 1.8; }
.cst-intestazione__desc { font-size: 19px; color: var(--cst-chiaro); max-width: 60ch; }
.cst-intestazione__desc p { margin: 0 0 1em; }

.cst-filtri { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.cst-filtri a {
	display: inline-flex; align-items: center; gap: 8px;
	font-family: var(--cst-titoli); font-size: 16px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
	text-decoration: none; color: var(--cst-chiaro);
	border: 1.5px solid rgba(255,255,255,.22); padding: 8px 16px; border-radius: var(--cst-raggio);
	transition: all .25s var(--cst-curva);
}
.cst-filtri a .cst-icona { width: 18px; height: 18px; color: var(--cst-accento); transition: color .25s ease; }
.cst-filtri a:hover { border-color: #fff; color: #fff; transform: translateY(-2px); }
.cst-filtri a.is-attivo { background: var(--cst-accento); border-color: var(--cst-accento); color: #fff; }
.cst-filtri a.is-attivo .cst-icona { color: #fff; }

/* --------------------------------------------------------------------------
   Scheda libro
   -------------------------------------------------------------------------- */
.cst-libro__testata {
	position: relative; overflow: hidden;
	background: radial-gradient(ellipse 45% 70% at 22% 45%, rgba(44, 68, 52, .85), transparent 70%), radial-gradient(ellipse 30% 40% at 90% 90%, rgba(226, 96, 43, .12), transparent 70%), var(--cst-notte);
	color: var(--cst-chiaro);
	padding: 36px 0 clamp(120px, 13vw, 190px);
}
.cst-briciole { display: flex; align-items: center; gap: 10px; font-family: var(--cst-titoli); font-size: 15px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--cst-chiaro-tenue); margin-bottom: 48px; }
.cst-briciole a { color: var(--cst-chiaro-tenue); text-decoration: none; }
.cst-briciole a:hover { color: var(--cst-accento); }

.cst-libro__griglia { display: grid; grid-template-columns: minmax(250px, 420px) 1fr; gap: 80px; align-items: center; }
.cst-libro__copertina .cst-copertina { box-shadow: 0 4px 8px rgba(0,0,0,.4), 0 50px 80px -24px rgba(0,0,0,.85); }
.cst-libro__titolo { font-size: clamp(54px, 7vw, 100px); color: #fff; margin-bottom: 14px; }
.cst-libro__sottotitolo { font-size: clamp(20px, 2vw, 25px); line-height: 1.35; color: var(--cst-salvia); margin: 0 0 18px; font-weight: 500; }
.cst-libro__autore { display: inline-flex; align-items: center; gap: 12px; font-family: var(--cst-titoli); font-size: 17px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: #fff; margin: 0; }
.cst-libro__autore::before { content: ""; width: 34px; height: 3px; background: var(--cst-accento); transform: skewX(-25deg); }
.cst-libro__lancio { font-size: 20px; line-height: 1.55; color: var(--cst-chiaro); margin: 28px 0 0; max-width: 56ch; }

.cst-scheda { margin: 6px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); padding: 1px 0 0 1px; }
.cst-scheda > div { padding: 14px 16px; background: rgba(16, 19, 17, .55); border: 1px solid var(--cst-filo-chiaro); margin: -1px 0 0 -1px; }
.cst-scheda dt { font-family: var(--cst-titoli); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--cst-chiaro-tenue); }
.cst-scheda dd { margin: 3px 0 0; font-size: 16px; font-weight: 500; color: #fff; }
.cst-scheda a { color: var(--cst-accento); }

.cst-libro__descrizione { display: grid; grid-template-columns: minmax(250px, 420px) 1fr; gap: 80px; padding: clamp(60px, 7vw, 100px) 0; }
.cst-libro__descrizione > div:last-child { max-width: 760px; }
.cst-libro__descrizione .cst-sezione__titolo { font-size: clamp(40px, 5vw, 64px); margin-bottom: 28px; }

@media (max-width: 900px) {
	.cst-libro__griglia { grid-template-columns: 1fr; gap: 44px; }
	.cst-libro__copertina { width: min(72%, 320px); margin: 0 auto; }
	.cst-libro__descrizione { grid-template-columns: 1fr; gap: 0; }
	.cst-libro__spazio { display: none; }
}

/* --------------------------------------------------------------------------
   Testo lungo
   -------------------------------------------------------------------------- */
.cst-testo { font-size: 19px; line-height: 1.75; color: var(--cst-scuro); }
.cst-testo > *:first-child { margin-top: 0; }
.cst-testo h2 { font-size: 44px; margin-top: 1.4em; }
.cst-testo h3 { font-size: 32px; margin-top: 1.4em; }
.cst-testo blockquote { margin: 2em 0; padding: 4px 0 4px 26px; border-left: 4px solid var(--cst-accento); font-size: 1.15em; font-style: italic; }
.cst-testo ul { list-style: none; padding: 0; }
.cst-testo ul li { position: relative; padding-left: 30px; margin-bottom: .55em; }
.cst-testo ul li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 14px; height: 3px; background: var(--cst-accento); transform: skewX(-25deg); }
.cst-testo ol { padding-left: 1.3em; }
.cst-testo ol li { margin-bottom: .55em; }
.cst-testo ol li::marker { font-family: var(--cst-titoli); font-weight: 800; color: var(--cst-accento); }
.cst-testo img { margin: 1.8em 0; border-radius: var(--cst-raggio); }
.cst-testo .aligncenter { margin-left: auto; margin-right: auto; }
.cst-testo .wp-block-button__link { font-family: var(--cst-titoli); background: var(--cst-accento); color: #fff; border-radius: var(--cst-raggio); font-size: 17px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }
.cst-testo input, .cst-testo textarea, .cst-testo select { font: inherit; font-size: 16px; width: 100%; padding: 12px 14px; border: 1.5px solid var(--cst-filo-scuro); background: var(--cst-bianco); border-radius: var(--cst-raggio); }
.cst-testo input:focus, .cst-testo textarea:focus { border-color: var(--cst-accento); outline: none; }
.cst-testo input[type="submit"], .cst-testo button { width: auto; font-family: var(--cst-titoli); font-size: 17px; letter-spacing: .08em; text-transform: uppercase; background: var(--cst-accento); color: #fff; border: 0; padding: 13px 26px; font-weight: 700; cursor: pointer; }
.cst-immagine-apertura { margin-bottom: 2rem; border-radius: var(--cst-raggio); }

/* --------------------------------------------------------------------------
   Elenco (ricerca, notizie)
   -------------------------------------------------------------------------- */
.cst-elenco { display: flex; flex-direction: column; }
.cst-voce { display: grid; grid-template-columns: 100px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--cst-filo-scuro); }
.cst-voce:not(:has(.cst-voce__miniatura)) { grid-template-columns: 1fr; }
.cst-voce__miniatura--foto img { aspect-ratio: 1; object-fit: cover; border-radius: var(--cst-raggio); }
.cst-voce__meta { font-family: var(--cst-titoli); font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--cst-accento); margin: 0 0 6px; font-weight: 700; }
.cst-voce__titolo { font-size: 34px; margin-bottom: .3em; }
.cst-voce__titolo a { color: inherit; text-decoration: none; }
.cst-voce__titolo a:hover { color: var(--cst-accento); }
.cst-voce p { margin: 0; }

.cst-ricerca { display: flex; gap: 10px; max-width: 560px; margin: 28px 0; }
.cst-ricerca input { flex: 1; font: inherit; padding: 12px 16px; border: 1.5px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); color: #fff; border-radius: var(--cst-raggio); }
.cst-ricerca input::placeholder { color: var(--cst-chiaro-tenue); }
.cst-ricerca .cst-btn--primario { background: var(--cst-accento); color: #fff; border-color: var(--cst-accento); }
.cst-ricerca .cst-btn--primario::before { background: #fff; }
.cst-ricerca .cst-btn--primario:hover { color: var(--cst-scuro); }

.navigation.pagination { margin-top: 72px; }
.nav-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.nav-links .page-numbers { min-width: 46px; text-align: center; padding: 8px 14px; border: 2px solid var(--cst-scuro); text-decoration: none; color: var(--cst-scuro); font-family: var(--cst-titoli); font-size: 18px; font-weight: 700; border-radius: var(--cst-raggio); }
.nav-links .page-numbers:hover { background: var(--cst-scuro); color: #fff; }
.nav-links .page-numbers.current { background: var(--cst-accento); border-color: var(--cst-accento); color: #fff; }

/* --------------------------------------------------------------------------
   Piè di pagina
   -------------------------------------------------------------------------- */
.cst-piede { position: relative; background: var(--cst-notte); color: var(--cst-chiaro-tenue); font-size: 16px; padding-top: 80px; }
.cst-piede > .cst-topo { inset: 0; animation: none; }
.cst-piede a { color: var(--cst-chiaro); text-decoration: none; transition: color .2s ease; }
.cst-piede a:hover { color: var(--cst-accento); }
.cst-piede__griglia { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 56px; padding-bottom: 56px; }
.cst-piede__nome { display: flex; align-items: center; gap: 14px; font-family: var(--cst-titoli); font-size: 40px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: #fff; margin: 0 0 6px; line-height: 1; }
.cst-piede__invito { font-size: 18px; color: var(--cst-chiaro); max-width: 30ch; margin: 0 0 1em !important; }
.cst-piede__motto { margin: 0 0 1.4em; }
.cst-piede p { margin: 0 0 .6em; }
.cst-piede .widget-title { font-family: var(--cst-titoli); font-size: 15px; letter-spacing: .2em; text-transform: uppercase; color: var(--cst-accento); margin: 0 0 18px; font-weight: 700; }
.cst-piede ul { list-style: none; margin: 0; padding: 0; }
.cst-piede li { margin-bottom: 10px; }
.cst-piede__collane a { display: inline-flex; align-items: center; gap: 10px; }
.cst-piede__collane .cst-icona { color: var(--cst-accento); width: 20px; height: 20px; }
.cst-piede__fondo { border-top: 1px solid var(--cst-filo-chiaro); padding-top: 24px; padding-bottom: 30px; font-size: 14px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 32px; }
.cst-piede__fondo p { margin: 0; }
.cst-avviso { font-size: 13px; }
@media (max-width: 900px) { .cst-piede__griglia { grid-template-columns: 1fr; gap: 36px; } }

/* Le sezioni chiare prima del piè di pagina lasciano spazio al crinale */

/* Allineamenti standard WordPress */
.alignleft { float: left; margin: .4em 1.6em 1em 0; }
.alignright { float: right; margin: .4em 0 1em 1.6em; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption-text, figcaption { font-size: 14px; color: var(--cst-scuro-tenue); margin-top: 8px; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; }
	.cst-entra, .cst-ventaglio__libro { opacity: 1 !important; }
	.cst-ventaglio__libro { transform: var(--cst-pos) !important; }
}

[id] { scroll-margin-top: 90px; }