:root {
	--rojo: #ad1f25;
	--rojo-oscuro: #7f1419;
	--negro: #171717;
	--gris: #686868;
	--gris-claro: #f4f4f2;
	--blanco: #ffffff;
	--sombra: 0 14px 40px rgba(0, 0, 0, 0.12);
	--radio: 16px;
	--ancho: 1160px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: Arial, Helvetica, sans-serif;
	color: var(--negro);
	background: var(--blanco);
	line-height: 1.6;
}

img {
	display: block;
	max-width: 100%;
}

a {
	color: inherit;
	text-decoration: none;
}

.contenedor {
	width: min(100% - 40px, var(--ancho));
	margin-inline: auto;
}

.encabezado {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.96);
	border-bottom: 1px solid rgba(0, 0, 0, 0.08);
	backdrop-filter: blur(8px);
}

.barra-navegacion {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 84px;
	gap: 24px;
}

.marca img {
	width: 180px;
	height: auto;
}

.boton-menu {
	display: none;
	width: 46px;
	height: 42px;
	border: 0;
	border-radius: 8px;
	background: var(--rojo);
	color: var(--blanco);
	font-size: 25px;
	cursor: pointer;
}

.menu {
	display: flex;
	align-items: center;
	gap: 30px;
	margin: 0;
	padding: 0;
	list-style: none;
	font-weight: 700;
}

.menu a {
	position: relative;
	padding: 12px 0;
}

.menu a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 5px;
	width: 0;
	height: 2px;
	background: var(--rojo);
	transition: width 0.2s ease;
}

.menu a:hover::after,
.menu a.activo::after {
	width: 100%;
}

.hero {
	position: relative;
	min-height: 610px;
	display: grid;
	align-items: center;
	overflow: hidden;
	background:
		linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.22)),
		url("../img/fondo_principal.png") center 46% / cover no-repeat;
}

.hero-contenido {
	max-width: 730px;
	padding-block: 80px;
	color: var(--blanco);
}

.etiqueta {
	display: inline-block;
	margin-bottom: 16px;
	padding: 7px 12px;
	border: 1px solid rgba(255, 255, 255, 0.55);
	border-radius: 999px;
	font-size: 0.86rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

h1,
h2,
h3 {
	margin-top: 0;
	line-height: 1.15;
}

h1 {
	margin-bottom: 20px;
	font-size: clamp(2.5rem, 7vw, 5.6rem);
	letter-spacing: -0.045em;
}

h2 {
	font-size: clamp(2rem, 4vw, 3.2rem);
}

.hero p {
	max-width: 640px;
	margin: 0 0 30px;
	font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.acciones {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
}

.boton {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 12px 22px;
	border: 2px solid var(--rojo);
	border-radius: 8px;
	background: var(--rojo);
	color: var(--blanco);
	font-weight: 700;
	transition: transform 0.2s ease, background 0.2s ease;
}

.boton:hover {
	transform: translateY(-2px);
	background: var(--rojo-oscuro);
}

.boton-secundario {
	border-color: var(--blanco);
	background: transparent;
}

.boton-secundario:hover {
	background: var(--blanco);
	color: var(--negro);
}

.seccion {
	padding-block: 88px;
}

.seccion-gris {
	background: var(--gris-claro);
}

.cabecera-seccion {
	max-width: 760px;
	margin-bottom: 38px;
}

.cabecera-seccion p {
	margin-bottom: 0;
	color: var(--gris);
}

.dos-columnas {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	align-items: center;
	gap: 56px;
}

.foto-principal {
	width: 100%;
	max-height: 620px;
	object-fit: cover;
	border-radius: var(--radio);
	box-shadow: var(--sombra);
}

.lista-check {
	margin: 24px 0 0;
	padding: 0;
	list-style: none;
}

.lista-check li {
	position: relative;
	margin: 12px 0;
	padding-left: 30px;
}

.lista-check li::before {
	content: "✓";
	position: absolute;
	left: 0;
	top: 0;
	color: var(--rojo);
	font-weight: 900;
}

.tarjetas {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.tarjeta {
	padding: 30px;
	border: 1px solid rgba(0, 0, 0, 0.08);
	border-radius: var(--radio);
	background: var(--blanco);
	box-shadow: 0 9px 28px rgba(0, 0, 0, 0.06);
}

.tarjeta-numero {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	margin-bottom: 18px;
	border-radius: 50%;
	background: var(--rojo);
	color: var(--blanco);
	font-weight: 900;
}

.galeria {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
}

.galeria img {
	width: 100%;
	height: 560px;
	object-fit: cover;
	border-radius: var(--radio);
	box-shadow: var(--sombra);
}

.frase {
	padding: 64px 0;
	background: var(--rojo);
	color: var(--blanco);
	text-align: center;
}

.frase h2 {
	max-width: 900px;
	margin: 0 auto 14px;
}

.frase p {
	margin: 0;
	font-size: 1.1rem;
}

.banner-interno {
	padding: 100px 0 74px;
	background:
		linear-gradient(rgba(0, 0, 0, 0.20), rgba(0, 0, 0, 0.20)),
		url("../img/la_empresa_foto1.png") center 42% / cover no-repeat;
	color: var(--blanco);
}

.banner-interno h1 {
	font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.banner-contacto {
	padding: 100px 0 74px;
	background:
		linear-gradient(rgba(0, 0, 0, 0.20), rgba(0, 0, 0, 0.20)),
		url("../img/contacto_foto1.png") center 42% / cover no-repeat;
	color: var(--blanco);
}

.banner-contacto h1 {
	font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.malla-contacto {
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: 40px;
	align-items: start;
}

.datos-contacto {
	display: grid;
	gap: 18px;
}

.dato {
	padding: 22px;
	border-left: 4px solid var(--rojo);
	background: var(--gris-claro);
}

.dato h3 {
	margin-bottom: 6px;
}

.formulario {
	display: grid;
	gap: 16px;
	padding: 32px;
	border-radius: var(--radio);
	background: var(--blanco);
	box-shadow: var(--sombra);
}

.formulario label {
	font-weight: 700;
}

.formulario input,
.formulario textarea {
	width: 100%;
	padding: 13px 14px;
	border: 1px solid #cfcfcf;
	border-radius: 8px;
	font: inherit;
}

.formulario textarea {
	min-height: 140px;
	resize: vertical;
}

.aviso-formulario {
	margin: 0;
	color: var(--gris);
	font-size: 0.9rem;
}

.pie {
	padding: 52px 0 20px;
	
	background: #ffffff;
	color: #171717;
}

.pie-grid {
	display: grid;
	grid-template-columns: 1.3fr 1fr 1fr;
	gap: 40px;
}

.pie img {
	width: 190px;
	margin-bottom: 18px;
	filter: brightness(1.2);
}

.pie h3 {
	color: #171717;
}

.pie ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.pie li {
	margin: 8px 0;
}

.copyright {
	margin-top: 36px;
	padding-top: 18px;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	text-align: center;
	font-size: 0.9rem;
}

@media (max-width: 900px) {
	.boton-menu {
		display: inline-flex;
		align-items: center;
		justify-content: center;
	}

	.menu {
		position: absolute;
		top: 84px;
		left: 0;
		right: 0;
		display: none;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		padding: 12px 20px 20px;
		background: var(--blanco);
		box-shadow: 0 14px 25px rgba(0, 0, 0, 0.12);
	}

	.menu.abierto {
		display: flex;
	}

	.menu a {
		display: block;
		padding: 13px 0;
	}

	.dos-columnas,
	.malla-contacto {
		grid-template-columns: 1fr;
	}

	.tarjetas,
	.pie-grid {
		grid-template-columns: 1fr;
	}

	.galeria img {
		height: 420px;
	}
}

@media (max-width: 620px) {
	.contenedor {
		width: min(100% - 28px, var(--ancho));
	}

	.marca img {
		width: 145px;
	}

	.hero {
		min-height: 560px;
		background-position: 42% center;
	}

	.seccion {
		padding-block: 64px;
	}

	.galeria {
		grid-template-columns: 1fr;
	}

	.galeria img {
		height: 430px;
	}

	.formulario {
		padding: 22px;
	}
}