/* =========================================================
   Centro de Estudios Alexna
   Dirección de arte: editorial / académico impreso
   Papel crema · tipografía serif · filetes · sin sombras
   ========================================================= */

:root {
	/* Paleta basada en el logotipo: azul índigo + rojo sobre blanco */
	--papel:    #f7f7fb;   /* blanco muy tenue, matiz frío (encaja con el logo) */
	--papel-2:  #eeeef6;   /* algo más oscuro */
	--tinta:    #171630;   /* casi negro con matiz índigo */
	--tinta-2:  #565478;   /* texto secundario */
	--azul:     #241a63;   /* azul índigo del logo */
	--azul-d:   #15103f;   /* índigo profundo */
	--rojo:     #e01f28;   /* rojo del logo */
	--linea:    #d8d8e6;   /* filete sobre papel */
	--linea-d:  rgba(247,247,251,.22);
	--crema-70: rgba(247,247,251,.72);
	--crema-90: rgba(247,247,251,.92);

	--serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
	--sans:  "Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--mono:  "Space Grotesk", ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
	--ancho: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
	font-family: var(--sans);
	color: var(--tinta);
	background: var(--papel);
	line-height: 1.62;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--azul); }

h1, h2, h3 {
	font-family: var(--serif);
	font-weight: 560;
	line-height: 1.06;
	letter-spacing: -.015em;
	font-optical-sizing: auto;
}
em { font-style: italic; }

.container { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 26px; }

/* pequeñas etiquetas de sección (versalitas espaciadas) */
.kicker {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .22em;
	font-size: .7rem;
	font-weight: 700;
	color: var(--tinta-2);
}
.kicker-terra { color: var(--rojo); }
.kicker-crema { color: rgba(247,247,251,.7); }

/* ---------- Barra superior ---------- */
.utilbar {
	background: var(--azul-d);
	color: rgba(247,247,251,.82);
	font-size: .8rem;
	letter-spacing: .01em;
}
.utilbar-inner {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding: 8px 26px;
	flex-wrap: wrap;
}
.utilbar a { color: #fff; text-decoration: none; }
.utilbar a:hover { text-decoration: underline; }
.utilbar .dot { opacity: .5; margin: 0 6px; }

/* ---------- Cabecera ---------- */
.masthead { background: #fff; border-bottom: 1px solid var(--linea); }
.masthead-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	min-height: 84px;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--tinta); }
.brand img { height: 52px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--serif); font-size: 1.55rem; font-weight: 600; letter-spacing: .01em; }
.brand-sub {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .2em;
	font-size: .62rem;
	color: var(--tinta-2);
	margin-top: 4px;
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .12em;
	font-size: .74rem;
	font-weight: 700;
	color: var(--tinta);
	text-decoration: none;
	padding: 10px 12px;
	border-bottom: 2px solid transparent;
}
.nav a:hover { border-bottom-color: var(--rojo); }
.nav .nav-call { color: #fff; background: var(--azul); border-radius: 0; border-bottom: 2px solid var(--azul); }
.nav .nav-call:hover { background: var(--azul-d); border-bottom-color: var(--azul-d); }

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 46px; height: 42px;
	background: none;
	border: 1px solid var(--linea);
	cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 0 auto; background: var(--tinta); transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Portada ---------- */
.hero { padding: 74px 0 66px; border-bottom: 1px solid var(--linea); }
.hero-grid {
	display: grid;
	grid-template-columns: 1.55fr 1fr;
	gap: 56px;
	align-items: end;
}
.hero-lead .kicker { display: block; margin-bottom: 20px; }
.hero h1 {
	font-size: clamp(2.5rem, 6.2vw, 4.4rem);
	font-weight: 630;
	letter-spacing: -.028em;
	margin-bottom: 22px;
}
.hero-text { font-size: 1.16rem; color: var(--tinta-2); max-width: 30em; }
.hero-links { margin-top: 30px; display: flex; gap: 26px; flex-wrap: wrap; }
.hero-links a {
	font-family: var(--sans);
	font-weight: 700;
	font-size: .82rem;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--tinta);
	text-decoration: none;
	padding-bottom: 4px;
	border-bottom: 2px solid var(--rojo);
}
.hero-links a:hover { color: var(--rojo); }

/* Ficha de matrícula */
.ficha { border: 1.5px solid var(--tinta); background: var(--papel); padding: 26px 26px 28px; }
.ficha-label {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .18em;
	font-size: .66rem;
	font-weight: 700;
	color: var(--rojo);
}
.ficha-curso { font-family: var(--serif); font-size: 1.7rem; margin: 4px 0 18px; }
.ficha-datos { display: grid; gap: 12px; border-top: 1px solid var(--linea); padding-top: 16px; }
.ficha-datos dt {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .14em;
	font-size: .62rem;
	font-weight: 700;
	color: var(--tinta-2);
}
.ficha-datos dd { font-size: .98rem; }
.ficha-call {
	display: block;
	margin-top: 22px;
	text-align: center;
	background: var(--azul);
	color: #fff;
	text-decoration: none;
	font-weight: 700;
	font-size: .86rem;
	letter-spacing: .04em;
	padding: 13px 14px;
}
.ficha-call:hover { background: var(--azul-d); }

/* ---------- Banda con cita ---------- */
.banda { position: relative; background: var(--azul-d); overflow: hidden; }
.banda img {
	width: 100%; height: 100%; position: absolute; inset: 0;
	object-fit: cover;
	opacity: .08;
	filter: grayscale(1) contrast(1.05) blur(3px);
}
.banda-cita {
	position: relative;
	font-family: var(--serif);
	font-style: italic;
	color: var(--papel);
	font-size: clamp(1.3rem, 3.4vw, 2rem);
	text-align: center;
	max-width: 22em;
	margin: 0 auto;
	padding: 66px 26px;
	line-height: 1.35;
}

/* ---------- Secciones ---------- */
.section { padding: 82px 0; }
.sec-head { margin-bottom: 46px; max-width: 40em; }
.sec-head .kicker { display: block; margin-bottom: 12px; }
.sec-head h2 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }

/* ---------- Cursos: índice numerado ---------- */
.indice { list-style: none; border-top: 1px solid var(--linea); }
.curso {
	display: grid;
	grid-template-columns: 46px 1fr;
	gap: 28px;
	padding: 30px 0;
	border-bottom: 1px solid var(--linea);
	align-items: start;
}
.curso-icono { color: var(--rojo); margin-top: -5px; transition: color .18s; }
.curso-icono svg { width: 42px; height: 42px; display: block; }
.curso:hover .curso-icono { color: var(--azul); }
.curso-cuerpo h3 { font-size: 1.5rem; margin-bottom: 8px; }
.curso-cuerpo p { color: var(--tinta-2); max-width: 46em; font-size: 1.03rem; }
.curso:hover .curso-cuerpo h3 { color: var(--rojo); }

/* ---------- Certificados (fondo oscuro) ---------- */
.section-dark { background: var(--azul); color: var(--papel); }
.section-dark .sec-head h2 { color: var(--papel); }
.cert-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items: start; }

.cert-nota { font-size: 1rem; }
.cert-nota p { margin-bottom: 14px; color: rgba(247,247,251,.9); }
.cert-nota strong { color: #fff; }
.cert-nota hr { border: 0; border-top: 1px solid var(--linea-d); margin: 22px 0; }
.cert-censo { font-family: var(--serif); }
.cert-censo span { font-size: 1.4rem; color: #fff; margin-left: 6px; }
.cert-nota .etq {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .16em;
	font-size: .62rem;
	font-weight: 700;
	color: var(--rojo);
}
.enlace-fuerte {
	display: inline-block;
	margin-top: 8px;
	color: #fff;
	font-weight: 700;
	letter-spacing: .04em;
	text-decoration: none;
	border-bottom: 2px solid var(--rojo);
	padding-bottom: 3px;
}
.enlace-fuerte:hover { color: var(--rojo); }

.cert-tabla-wrap { overflow-x: auto; }
.cert-tabla { width: 100%; border-collapse: collapse; font-size: .96rem; }
.cert-tabla caption {
	text-align: left;
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .16em;
	font-size: .64rem;
	font-weight: 700;
	color: rgba(247,247,251,.6);
	padding-bottom: 14px;
}
.cert-tabla th {
	text-align: left;
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .1em;
	font-size: .66rem;
	color: rgba(247,247,251,.7);
	padding: 0 14px 12px 0;
	border-bottom: 1px solid var(--linea-d);
}
.cert-tabla td { padding: 13px 14px 13px 0; border-bottom: 1px solid var(--linea-d); color: var(--papel); vertical-align: top; }
.cert-tabla td:first-child { font-family: var(--mono); font-size: .86rem; color: #fff; white-space: nowrap; letter-spacing: .02em; }

/* ---------- Reseñas ---------- */
.section-tint { background: var(--papel-2); }

.rev-centro { max-width: 640px; margin: 0 auto; text-align: center; }
.rev-centro .kicker { display: block; margin-bottom: 12px; }
.rev-centro h2 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
.rev-box {
	margin-top: 30px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
}
.rev-box .rev-nota { font-family: var(--serif); font-size: 4rem; line-height: 1; color: var(--azul); font-weight: 600; }

.estrellas-rating { position: relative; display: inline-block; line-height: 0; white-space: nowrap; color: var(--rojo); }
.estrellas-rating .er-base { display: block; opacity: .32; }
.estrellas-rating .er-fill {
	position: absolute; top: 0; left: 0;
	width: var(--pct, 100%);
	overflow: hidden;
	display: block;
}
.estrellas-rating svg { width: 30px; height: 30px; display: inline-block; vertical-align: top; margin-right: 4px; }
.estrellas-rating svg:last-child { margin-right: 0; }

.rev-box .rev-cuenta { font-size: 1rem; color: var(--tinta-2); max-width: none; }
.rev-boton {
	margin-top: 8px;
	display: inline-block;
	background: var(--azul);
	color: #fff;
	text-decoration: none;
	font-family: var(--sans);
	font-weight: 700;
	font-size: .9rem;
	letter-spacing: .03em;
	padding: 14px 26px;
	transition: background .15s;
}
.rev-boton:hover { background: var(--azul-d); }
.rev-pie { font-size: .82rem; color: var(--tinta-2); }

.rev-cab {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: flex-end;
	gap: 24px;
	margin-bottom: 46px;
}
.rev-cab .kicker { display: block; margin-bottom: 12px; }
.rev-cab h2 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
.rev-resumen { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.rev-nota { font-family: var(--serif); font-size: 2.6rem; line-height: 1; color: var(--azul); font-weight: 600; }
.rev-cuenta { font-size: .92rem; color: var(--tinta-2); max-width: 12em; }

.estrellas { display: inline-flex; gap: 2px; color: var(--rojo); }
.estrellas svg { width: 17px; height: 17px; display: block; }
.estrellas-lg svg { width: 22px; height: 22px; }

.rev-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 24px;
}
.rev-card {
	background: #fff;
	border: 1px solid var(--linea);
	padding: 26px 26px 24px;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 14px;
}
.rev-texto {
	margin: 0;
	font-size: 1.06rem;
	line-height: 1.55;
	color: var(--tinta);
}
.rev-texto::before { content: "\201C"; }
.rev-texto::after { content: "\201D"; }
.rev-autor {
	margin-top: auto;
	font-weight: 700;
	font-size: .95rem;
	color: var(--tinta);
	display: flex;
	flex-direction: column;
	gap: 3px;
}
.rev-meta {
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: .12em;
	font-size: .6rem;
	color: var(--tinta-2);
}
.rev-cta { margin-top: 34px; }
.enlace-fuerte-osc {
	font-family: var(--sans);
	font-weight: 700;
	font-size: .82rem;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--azul);
	text-decoration: none;
	border-bottom: 2px solid var(--rojo);
	padding-bottom: 3px;
}
.enlace-fuerte-osc:hover { color: var(--rojo); }

/* ---------- Localización ---------- */
.loc-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.datos { display: grid; gap: 0; }
.datos > div {
	display: grid;
	grid-template-columns: 8.5rem 1fr;
	gap: 16px;
	padding: 14px 0;
	border-bottom: 1px solid var(--linea);
	align-items: baseline;
}
.datos dt {
	font-family: var(--sans);
	text-transform: uppercase;
	letter-spacing: .14em;
	font-size: .64rem;
	font-weight: 700;
	color: var(--tinta-2);
}
.datos dd { color: var(--tinta); }
.datos a { color: var(--azul); text-decoration: none; border-bottom: 1px solid var(--linea); }
.datos a:hover { border-bottom-color: var(--azul); }

.loc-h { font-size: 1.35rem; margin: 34px 0 14px; }
.horario { width: 100%; border-collapse: collapse; }
.horario th {
	text-align: left;
	font-family: var(--sans);
	font-weight: 600;
	font-size: .92rem;
	color: var(--tinta-2);
	padding: 10px 0;
	border-bottom: 1px solid var(--linea);
}
.horario td { text-align: right; font-family: var(--serif); font-size: 1.05rem; padding: 10px 0; border-bottom: 1px solid var(--linea); }

.loc-map iframe {
	width: 100%; height: 100%; min-height: 420px;
	border: 1.5px solid var(--tinta);
	filter: grayscale(.2);
}

/* ---------- Pie ---------- */
.pie { background: var(--tinta); color: rgba(247,247,251,.72); }
.pie-inner {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 26px;
	padding: 48px 26px 34px;
}
.pie-marca { display: flex; flex-direction: column; }
.pie-marca .brand-name { color: var(--papel); font-size: 1.8rem; }
.pie-marca .brand-sub { color: rgba(247,247,251,.55); margin-top: 6px; }
.pie-datos { text-align: right; font-size: .92rem; }
.pie-datos a { color: var(--papel); text-decoration: none; }
.pie-datos a:hover { text-decoration: underline; }
.pie-legal { border-top: 1px solid rgba(247,247,251,.12); font-size: .78rem; color: rgba(247,247,251,.5); }
.pie-legal .container { padding-top: 16px; padding-bottom: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
	.hero-grid, .cert-grid, .loc-grid { grid-template-columns: 1fr; gap: 40px; }
	.hero-grid { align-items: start; }
}

@media (max-width: 680px) {
	.utilbar-inner { justify-content: center; text-align: center; }
	.nav-toggle { display: flex; }
	.nav {
		position: absolute; left: 0; right: 0; top: 100%;
		flex-direction: column;
		align-items: stretch;
		background: var(--papel);
		border-bottom: 1px solid var(--linea);
		gap: 0;
		max-height: 0; overflow: hidden;
		transition: max-height .25s ease;
		z-index: 40;
	}
	.masthead { position: relative; }
	.nav.open { max-height: 340px; }
	.nav a { padding: 15px 26px; border-bottom: 1px solid var(--linea); }
	.nav .nav-call { text-align: center; }
	.pie-inner { flex-direction: column; }
	.pie-datos { text-align: left; }
	.datos > div { grid-template-columns: 1fr; gap: 4px; }
}