/* Mundo Ejecutivo – Revistas Issuu */
.mer {
	--mer-accent: #e3141c;
	--mer-bg: #0c0c0e;
	--mer-ink: #f5f3ef;
	--mer-mute: rgba(245, 243, 239, .62);
	--mer-line: rgba(255, 255, 255, .1);
	--mer-serif: "Playfair Display", Georgia, "Times New Roman", serif;
	--mer-sans: Roboto, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
	position: relative;
	isolation: isolate;
	overflow: hidden;
	margin: 0 auto;
	padding: clamp(28px, 4vw, 56px) clamp(18px, 4vw, 56px) clamp(26px, 3vw, 40px);
	border-radius: 22px;
	background: var(--mer-bg);
	color: var(--mer-ink);
	font-family: var(--mer-sans);
	-webkit-font-smoothing: antialiased;
	box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .45);
}
.mer *, .mer *::before, .mer *::after { box-sizing: border-box; }
.mer [hidden] { display: none !important; }
.mer svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* Fondo vivo */
.mer__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.mer__bg::after {
	content: ""; position: absolute; inset: 0;
	background:
		linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .35)),
		repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 120px);
}
.mer__orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; transition: background .8s ease; }
.mer__orb--a { width: 520px; height: 520px; left: -120px; top: 40px; background: radial-gradient(circle, var(--mer-accent) 0%, transparent 65%); animation: mer-float 14s ease-in-out infinite alternate; }
.mer__orb--b { width: 420px; height: 420px; right: -140px; top: -160px; background: radial-gradient(circle, rgba(255, 255, 255, .14) 0%, transparent 70%); animation: mer-float 18s ease-in-out infinite alternate-reverse; }
@keyframes mer-float { to { transform: translate(60px, 40px) scale(1.1); } }

/* Encabezado */
.mer__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 32px; margin-bottom: clamp(18px, 3vw, 34px); }
.mer__eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--mer-mute); }
.mer__eyebrow span { width: 28px; height: 2px; background: var(--mer-accent); transition: background .6s; }
.mer__title { margin: 0 !important; font-family: var(--mer-serif) !important; font-weight: 800 !important; font-size: clamp(34px, 5vw, 60px) !important; line-height: .98 !important; letter-spacing: -.01em; color: var(--mer-ink) !important; text-transform: none !important; }
.mer__title em { font-style: italic; font-weight: 700; color: var(--mer-accent); transition: color .6s; }

.mer__tabs { display: flex; gap: 6px; padding: 5px; border: 1px solid var(--mer-line); border-radius: 999px; background: rgba(255, 255, 255, .04); backdrop-filter: blur(8px); overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.mer__tabs::-webkit-scrollbar { display: none; }
.mer__tabs button {
	--c: var(--mer-ink);
	all: unset; cursor: pointer; white-space: nowrap; padding: 9px 16px; border-radius: 999px;
	font: 600 13px/1 var(--mer-sans); color: var(--mer-mute); transition: color .25s, background .25s;
}
.mer__tabs button:hover { color: var(--mer-ink); }
.mer__tabs button:focus-visible { outline: 2px solid var(--mer-ink); outline-offset: 2px; }
.mer__tabs button.is-active { background: var(--mer-ink); color: #111; }
.mer__tabs button[data-mag]:not([data-mag="*"])::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--c); vertical-align: 1px; }

/* Escenario */
.mer__stage {
	position: relative; display: grid; grid-template-columns: minmax(220px, 400px) 1fr; align-items: center;
	gap: clamp(28px, 5vw, 80px); padding: clamp(10px, 2vw, 24px) clamp(0px, 3vw, 40px) clamp(24px, 3vw, 36px);
}
.mer__ghost {
	position: absolute; right: -10px; top: 0; transform: translateY(-18%); z-index: -1;
	font: 800 clamp(160px, 24vw, 340px)/1 var(--mer-serif); letter-spacing: -.04em;
	color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .055); user-select: none; pointer-events: none;
}

/* Revista 3D */
.mer__book { position: relative; display: block; perspective: 1600px; text-decoration: none !important; cursor: pointer; outline: none; }
.mer__book-inner {
	position: relative; display: block; border-radius: 3px 6px 6px 3px;
	transform: rotateY(-20deg) rotateX(5deg) rotateZ(.4deg); transform-style: preserve-3d; transform-origin: 40% 50%;
	transition: transform .8s cubic-bezier(.2, .8, .2, 1);
	box-shadow:
		1px 0 0 #e9e6e0, 2px 0 0 #c9c5bd, 3px 0 0 #ece9e3, 4px 0 0 #bdb8af, 5px 0 0 #e6e3dc, 6px 1px 0 #a9a49b,
		40px 50px 70px -20px rgba(0, 0, 0, .75), 0 0 0 1px rgba(0, 0, 0, .3);
}
.mer__book:hover .mer__book-inner, .mer__book:focus-visible .mer__book-inner { transform: rotateY(-6deg) rotateX(2deg) translateY(-6px); }
.mer__book img { display: block; width: 100%; height: auto; border-radius: inherit; background: #222; object-fit: cover; }
.mer__spine { position: absolute; inset: 0 auto 0 0; width: 7%; border-radius: 3px 0 0 3px; background: linear-gradient(90deg, rgba(0, 0, 0, .45), rgba(255, 255, 255, .25) 45%, rgba(0, 0, 0, .12) 70%, transparent); }
.mer__gloss { position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(115deg, rgba(255, 255, 255, .28) 0%, rgba(255, 255, 255, 0) 32%, rgba(255, 255, 255, 0) 70%, rgba(255, 255, 255, .08) 100%); mix-blend-mode: screen; pointer-events: none; }
.mer__floor { position: absolute; left: 8%; right: 0; bottom: -26px; height: 30px; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(0, 0, 0, .7), transparent 70%); filter: blur(6px); z-index: -1; }
.mer__book:focus-visible { outline: 2px solid var(--mer-accent); outline-offset: 12px; border-radius: 6px; }

/* Información */
.mer__info { position: relative; max-width: 560px; }
.mer__badge {
	display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 14px 7px 12px; border-radius: 999px;
	font: 700 11px/1 var(--mer-sans); letter-spacing: .16em; text-transform: uppercase; color: #fff;
	background: color-mix(in srgb, var(--mer-accent) 22%, transparent); border: 1px solid color-mix(in srgb, var(--mer-accent) 55%, transparent);
	transition: background .6s, border-color .6s;
}
.mer__badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mer-accent); box-shadow: 0 0 12px var(--mer-accent); }
.mer__kicker { display: flex; font-weight: 600; flex-wrap: wrap; align-items: center; gap: 12px; margin: 0 0 12px; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--mer-mute); }
.mer__kicker b { color: var(--mer-ink); font-weight: 700; }
.mer__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--mer-accent); }
.mer__name { margin: 0 0 16px !important; font-family: var(--mer-serif) !important; font-weight: 700 !important; font-size: clamp(26px, 3.2vw, 42px) !important; line-height: 1.08 !important; color: var(--mer-ink) !important; text-transform: none !important; letter-spacing: 0 !important; text-wrap: balance; }
.mer__desc { margin: 0 0 22px; font-size: 16px; line-height: 1.65; color: var(--mer-mute); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.mer__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 0 0 28px; padding: 0; list-style: none; }
.mer__meta li { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 13px; color: var(--mer-mute); }
.mer__meta svg { font-size: 16px; color: var(--mer-accent); transition: color .6s; }
.mer__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.mer__btn {
	position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; cursor: pointer;
	font: 700 14px/1 var(--mer-sans) !important; letter-spacing: .04em; text-decoration: none !important; border: 0; overflow: hidden;
	transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.mer__btn svg { font-size: 18px; }
.mer__btn--primary { background: var(--mer-accent); color: #fff !important; box-shadow: 0 12px 30px -10px var(--mer-accent); }
.mer__btn--primary::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s; }
.mer__btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px var(--mer-accent); }
.mer__btn--primary:hover::after { transform: translateX(120%); }
.mer__btn--ghost { color: var(--mer-ink) !important; background: transparent; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .28); }
.mer__btn--ghost:hover { background: var(--mer-ink); color: #111 !important; }
.mer__btn:focus-visible { outline: 2px solid var(--mer-ink); outline-offset: 3px; }

/* Transición al cambiar de edición */
.mer.is-swapping .mer__book-inner { transform: rotateY(-75deg) rotateX(5deg) translateX(-20px); opacity: 0; transition: transform .35s ease-in, opacity .3s; }
.mer.is-swapping .mer__info > *, .mer.is-swapping .mer__ghost { opacity: 0; transform: translateY(10px); }
.mer__info > *, .mer__ghost { transition: opacity .45s ease, transform .45s ease; }
.mer__info > *:nth-child(2) { transition-delay: .04s; } .mer__info > *:nth-child(3) { transition-delay: .08s; }
.mer__info > *:nth-child(4) { transition-delay: .12s; } .mer__info > *:nth-child(5) { transition-delay: .16s; }
.mer__info > *:nth-child(6) { transition-delay: .2s; }

/* Estante */
.mer__shelf { position: relative; margin-top: clamp(8px, 2vw, 18px); padding-top: 22px; border-top: 1px solid var(--mer-line); }
.mer__shelf-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mer__shelf-head h4 { margin: 0 !important; font: 700 12px/1 var(--mer-sans) !important; letter-spacing: .22em; text-transform: uppercase; color: var(--mer-mute) !important; }
.mer__arrows { display: flex; gap: 8px; }
.mer__arrows button { all: unset; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; color: var(--mer-ink); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22); transition: background .2s, color .2s, opacity .2s; }
.mer__arrows button:hover { background: var(--mer-ink); color: #111; }
.mer__arrows button:disabled { opacity: .3; pointer-events: none; }
.mer__arrows button:focus-visible { outline: 2px solid var(--mer-ink); outline-offset: 2px; }
.mer__arrows svg { font-size: 18px; }
.mer__rail {
	display: flex; gap: clamp(14px, 1.8vw, 22px); margin: 0 -6px !important; padding: 14px 6px 10px !important; list-style: none !important;
	overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; overscroll-behavior-x: contain;
	-webkit-mask-image: linear-gradient(90deg, #000 92%, transparent); mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.mer__rail::-webkit-scrollbar { display: none; }
.mer__card { --c: var(--mer-accent); flex: 0 0 clamp(128px, 13vw, 168px); scroll-snap-align: start; margin: 0 !important; padding: 0 !important; transition: opacity .35s, transform .35s; }
.mer__card::before { display: none !important; }
.mer__card.is-hidden { display: none; }
.mer__card button { all: unset; display: block; width: 100%; cursor: pointer; }
.mer__thumb { position: relative; display: block; aspect-ratio: .7727; border-radius: 3px 5px 5px 3px; overflow: hidden; background: #1c1c20; box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .06); transition: transform .45s cubic-bezier(.2, .8, .2, 1), box-shadow .45s; }
.mer__thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, .35), rgba(255, 255, 255, .12) 4%, transparent 9%), linear-gradient(115deg, rgba(255, 255, 255, .18), transparent 35%); }
.mer__thumb img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.mer__card button:hover .mer__thumb, .mer__card button:focus-visible .mer__thumb { transform: translateY(-10px) rotate(-1.2deg); box-shadow: 0 26px 40px -16px rgba(0, 0, 0, .95), 0 0 0 1px rgba(255, 255, 255, .1); }
.mer__card button:hover img { transform: scale(1.04); }
.mer__card button:focus-visible .mer__thumb { outline: 2px solid var(--mer-ink); outline-offset: 3px; }
.mer__card.is-current .mer__thumb { box-shadow: 0 0 0 2px var(--c), 0 18px 34px -14px var(--c); }
.mer__card-label { display: block; margin-top: 14px; font: 700 10px/1.2 var(--mer-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--c); }
.mer__card-title { display: block; margin-top: 5px; font: 700 15px/1.25 var(--mer-serif); color: var(--mer-ink); }
.mer__card-issue { display: block; margin-top: 3px; font-size: 12px; color: var(--mer-mute); }

/* Lector modal */
.mer__modal { width: min(1200px, 96vw); height: min(90vh, 900px); max-width: none; max-height: none; padding: 0; border: 0; border-radius: 16px; background: #0c0c0e; color: var(--mer-ink); overflow: hidden; box-shadow: 0 40px 120px rgba(0, 0, 0, .7); }
.mer__modal[open] { display: flex; flex-direction: column; animation: mer-pop .4s cubic-bezier(.2, .8, .2, 1); }
.mer__modal::backdrop { background: rgba(6, 6, 8, .78); backdrop-filter: blur(6px); animation: mer-fade .3s ease; }
@keyframes mer-pop { from { opacity: 0; transform: translateY(24px) scale(.97); } }
@keyframes mer-fade { from { opacity: 0; } }
.mer__modal-bar { display: flex; align-items: center; gap: 16px; padding: 12px 14px 12px 22px; border-bottom: 1px solid var(--mer-line); }
.mer__modal-title { flex: 1; min-width: 0; font: 700 17px/1.2 var(--mer-serif); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mer__modal-ext { font-size: 13px; font-weight: 600; color: var(--mer-mute) !important; text-decoration: none !important; white-space: nowrap; }
.mer__modal-ext:hover { color: var(--mer-ink) !important; }
.mer__close { all: unset; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; background: rgba(255, 255, 255, .08); transition: background .2s, transform .3s; }
.mer__close:hover { background: var(--mer-accent); transform: rotate(90deg); }
.mer__close:focus-visible { outline: 2px solid var(--mer-ink); outline-offset: 2px; }
.mer__close svg { font-size: 18px; }
.mer__reader { position: relative; flex: 1; background: #141417; }
.mer__reader iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.mer__loader { position: absolute; left: 50%; top: 50%; width: 42px; height: 42px; margin: -21px 0 0 -21px; border-radius: 50%; border: 3px solid rgba(255, 255, 255, .12); border-top-color: var(--mer-accent); animation: mer-spin .8s linear infinite; }
@keyframes mer-spin { to { transform: rotate(360deg); } }
html.mer-lock { overflow: hidden; }

/* Responsive */
@media (max-width: 900px) {
	.mer__stage { grid-template-columns: minmax(180px, 300px) 1fr; gap: 32px; }
	.mer__ghost { font-size: 180px; }
}
@media (max-width: 680px) {
	.mer { border-radius: 16px; }
	.mer__head { flex-direction: column; align-items: flex-start; }
	.mer__tabs { width: 100%; }
	.mer__stage { grid-template-columns: 1fr; justify-items: center; text-align: center; padding-inline: 0; gap: 36px; }
	.mer__book { width: min(66vw, 260px); }
	.mer__book-inner { transform: rotateY(-14deg) rotateX(4deg); }
	.mer__ghost { right: 50%; top: 22%; transform: translate(50%, -50%); font-size: 46vw; }
	.mer__info { display: flex; flex-direction: column; align-items: center; }
	.mer__kicker, .mer__meta, .mer__actions { justify-content: center; }
	.mer__actions { width: 100%; }
	.mer__btn { flex: 1 1 auto; justify-content: center; }
	.mer__desc { font-size: 15px; -webkit-line-clamp: 3; }
	.mer__arrows { display: none; }
	.mer__modal { width: 100vw; height: 100dvh; border-radius: 0; }
	.mer__modal-ext { display: none; }
}
@media (prefers-reduced-motion: reduce) {
	.mer *, .mer *::before, .mer *::after { animation: none !important; transition-duration: .01ms !important; }
}

/* Blindaje contra estilos del tema */
.mer .mer__btn, .mer .mer__tabs button, .mer .mer__arrows button, .mer .mer__close { text-transform: none !important; letter-spacing: .02em; }
.mer .mer__btn--ghost { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .3) !important; border: 0 !important; }
.mer .mer__btn--ghost:hover { box-shadow: inset 0 0 0 1px var(--mer-ink) !important; }
.mer .mer__btn--primary { border: 0 !important; }
.mer img { max-width: 100%; }
.mer .mer__modal { position: fixed !important; inset: 0 !important; margin: auto !important; z-index: 2147483000; }