/**
 * Impulsa Theme - Estilos principales
 * Identidad: #FFFFFF, #000000, #E10600, #0066FF
 * Mobile-first, minimalista, SaaS premium
 */

/* ==========================================================================
   Variables (design tokens)
   ========================================================================== */
:root {
	/* Colores marca */
	--impulsa-white:      #FFFFFF;
	--impulsa-black:      #000000;
	--impulsa-red:        #E10600;
	--impulsa-blue:       #0066FF;

	/* Semánticos */
	--impulsa-bg:         var(--impulsa-white);
	--impulsa-text:       var(--impulsa-black);
	--impulsa-text-muted: #4A4A4A;
	--impulsa-accent:     var(--impulsa-red);
	--impulsa-accent-alt: var(--impulsa-blue);
	--impulsa-border:     #E5E5E5;
	--impulsa-focus:      var(--impulsa-blue);

	/* Espaciado (escalado 4px) */
	--space-1:  0.25rem;  /* 4px */
	--space-2:  0.5rem;   /* 8px */
	--space-3:  0.75rem;  /* 12px */
	--space-4:  1rem;     /* 16px */
	--space-6:  1.5rem;   /* 24px */
	--space-8:  2rem;     /* 32px */
	--space-12: 3rem;     /* 48px */
	--space-16: 4rem;     /* 64px */
	--space-24: 6rem;     /* 96px */
	--space-32: 8rem;     /* 128px */

	/* Tipografía */
	--font-sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono:  ui-monospace, "SF Mono", "Cascadia Code", monospace;

	--text-xs:   0.75rem;
	--text-sm:   0.875rem;
	--text-base: 1rem;
	--text-lg:   1.125rem;
	--text-xl:   1.25rem;
	--text-2xl:  1.5rem;
	--text-3xl:  2rem;
	--text-4xl:  2.5rem;
	--text-5xl:  3rem;

	--line-tight:  1.25;
	--line-normal: 1.5;
	--line-relaxed: 1.625;

	/* Contenedor */
	--container-max: 1200px;
	--container-padding: var(--space-4);

	/* Transiciones */
	--ease-out:   cubic-bezier(0.33, 1, 0.68, 1);
	--duration-2: 0.2s;
	--duration-3: 0.3s;
}

/* ==========================================================================
   Reset / Base
   ========================================================================== */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

/* Evitar scroll cuando menú móvil abierto */
body.nav-open {
	overflow: hidden;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	font-size: var(--text-base);
	line-height: var(--line-normal);
	color: var(--impulsa-text);
	background-color: var(--impulsa-bg);
	-webkit-font-smoothing: antialiased;
}

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

a {
	color: var(--impulsa-accent-alt);
	text-decoration: none;
	transition: color var(--duration-2) var(--ease-out);
}
a:hover {
	color: var(--impulsa-accent);
}
a:focus-visible {
	outline: 2px solid var(--impulsa-focus);
	outline-offset: 2px;
}

button,
[type="button"],
[type="submit"] {
	cursor: pointer;
	font-family: inherit;
}
button:focus-visible,
[type="button"]:focus-visible,
[type="submit"]:focus-visible {
	outline: 2px solid var(--impulsa-focus);
	outline-offset: 2px;
}

/* Contenedor global */
.impulsa-container {
	width: 100%;
	max-width: var(--container-max);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--container-padding);
	padding-right: var(--container-padding);
}

/* Utilidades de sección */
.impulsa-section {
	padding-top: var(--space-16);
	padding-bottom: var(--space-16);
}
@media (min-width: 768px) {
	.impulsa-section {
		padding-top: var(--space-24);
		padding-bottom: var(--space-24);
	}
}

/* Skip link (accesibilidad) */
.impulsa-skip-link {
	position: absolute;
	top: -100px;
	left: var(--space-4);
	z-index: 9999;
	padding: var(--space-3) var(--space-4);
	background: var(--impulsa-black);
	color: var(--impulsa-white);
	font-weight: 600;
	border-radius: 6px;
	transition: top 0.2s ease;
}
.impulsa-skip-link:focus {
	top: var(--space-4);
}

/* Botón primario (mín. 44px altura para touch) */
.impulsa-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: var(--space-3) var(--space-6);
	font-size: var(--text-base);
	font-weight: 600;
	color: var(--impulsa-white);
	background-color: var(--impulsa-accent);
	border: none;
	border-radius: 6px;
	transition: background-color var(--duration-2) var(--ease-out), transform var(--duration-2) var(--ease-out);
}
.impulsa-btn:hover {
	background-color: #b80500;
	color: var(--impulsa-white);
}
.impulsa-btn:active {
	transform: scale(0.98);
}
.impulsa-btn--secondary {
	background-color: var(--impulsa-black);
	color: var(--impulsa-white);
}
.impulsa-btn--secondary:hover {
	background-color: #333;
	color: var(--impulsa-white);
}

/* ==========================================================================
   Header (fondo oscuro para logo blanco 672×210)
   ========================================================================== */
.impulsa-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--impulsa-black);
	border-bottom: 1px solid rgba(255,255,255,0.12);
	padding: var(--space-4) 0;
}
.impulsa-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
}
/* Fallback cuando no hay logo: texto del sitio */
.impulsa-header__logo {
	display: inline-flex;
	align-items: center;
	color: var(--impulsa-white);
	font-weight: 700;
	font-size: 1.125rem;
}
.impulsa-header__logo:hover {
	color: rgba(255,255,255,0.9);
}

/* Logo WordPress: .custom-logo-link + img.custom-logo (evitar enlace anidado) */
.impulsa-header .custom-logo-link {
	display: inline-flex;
	align-items: center;
	line-height: 0;
}
.impulsa-header img.custom-logo {
	height: 26px !important;
	width: auto !important;
	max-width: 87px;
	object-fit: contain;
	object-position: left center;
	vertical-align: middle;
}
@media (min-width: 480px) {
	.impulsa-header img.custom-logo {
		height: 30px !important;
		max-width: 100px;
	}
}
@media (min-width: 768px) {
	.impulsa-header img.custom-logo {
		height: 36px !important;
		max-width: 120px;
	}
}
@media (min-width: 1024px) {
	.impulsa-header img.custom-logo {
		height: 40px !important;
		max-width: 134px;
	}
}
.impulsa-header__nav-trigger {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: none;
	color: var(--impulsa-white);
	position: relative;
	z-index: 100;
	cursor: pointer;
}
@media (min-width: 1024px) {
	.impulsa-header__nav-trigger {
		display: none;
	}
}
.impulsa-header__nav-trigger-icon {
	width: 24px;
	height: 2px;
	background: currentColor;
	box-shadow: 0 -8px 0 currentColor, 0 8px 0 currentColor;
}
.impulsa-header__nav {
	position: fixed;
	top: 0;
	right: 0;
	width: 280px;
	height: 100vh;
	background: var(--impulsa-black);
	border-left: 1px solid rgba(255,255,255,0.12);
	padding: 3.5rem var(--space-6) var(--space-12);
	transform: translateX(100%);
	transition: transform var(--duration-3) var(--ease-out);
	overflow-y: auto;
	z-index: 90;
}
.impulsa-header__nav.is-open {
	transform: translateX(0);
}
.impulsa-header__nav-close {
	display: flex;
	align-items: center;
	justify-content: center;
	position: absolute;
	top: var(--space-4);
	right: var(--space-4);
	width: 44px;
	height: 44px;
	padding: 0;
	background: rgba(255,255,255,0.1);
	border: none;
	border-radius: 8px;
	color: var(--impulsa-white);
	font-size: 1.5rem;
	line-height: 1;
	cursor: pointer;
	transition: background 0.2s ease;
}
.impulsa-header__nav-close:hover {
	background: rgba(255,255,255,0.2);
}
@media (min-width: 1024px) {
	.impulsa-header__nav-close {
		display: none;
	}
}
@media (min-width: 1024px) {
	.impulsa-header__nav {
		position: static;
		width: auto;
		height: auto;
		border: none;
		padding: 0;
		transform: none;
		display: flex;
		align-items: center;
		gap: var(--space-8);
	}
}
.impulsa-header__menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
}
@media (min-width: 1024px) {
	.impulsa-header__menu {
		flex-direction: row;
		gap: var(--space-6);
	}
}
.impulsa-header__menu a {
	color: rgba(255,255,255,0.9);
	font-weight: 500;
}
.impulsa-header__menu a:hover {
	color: var(--impulsa-white);
}
.impulsa-header__cta {
	flex-shrink: 0;
	margin-top: var(--space-4);
}
@media (min-width: 1024px) {
	.impulsa-header__cta {
		margin-top: 0;
	}
}

/* ==========================================================================
   Footer — refinado (misma estructura, mejor jerarquía y espaciado)
   ========================================================================== */
.impulsa-footer {
	background: var(--impulsa-black);
	color: var(--impulsa-white);
	padding: 1.75rem 0;
	margin-top: auto;
	border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 768px) {
	.impulsa-footer {
		padding: 2.25rem 0;
	}
}

.impulsa-footer__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.25rem 2rem;
}

/* Marca / logo */
.impulsa-footer__brand {
	flex-shrink: 0;
}

.impulsa-footer__logo {
	color: var(--impulsa-white);
	font-weight: 700;
	font-size: 1rem;
	letter-spacing: -0.02em;
	display: inline-flex;
	align-items: center;
	text-decoration: none;
	transition: opacity 0.2s ease;
}

.impulsa-footer__logo:hover {
	color: var(--impulsa-white);
	opacity: 0.88;
}

.impulsa-footer .custom-logo-link {
	display: inline-flex;
	align-items: center;
	line-height: 0;
	text-decoration: none;
	transition: opacity 0.2s ease;
}

.impulsa-footer img.custom-logo {
	height: 34px !important;
	width: auto !important;
	max-width: 112px;
	object-fit: contain;
}

@media (min-width: 480px) {
	.impulsa-footer img.custom-logo {
		height: 40px !important;
		max-width: 132px;
	}
}

@media (min-width: 768px) {
	.impulsa-footer img.custom-logo {
		height: 44px !important;
		max-width: 152px;
	}
}

.impulsa-footer .custom-logo-link:hover img {
	opacity: 0.88;
}

/* Navegación */
.impulsa-footer__menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.25rem 1.5rem;
}

.impulsa-footer__menu li {
	list-style: none;
	margin: 0;
}

.impulsa-footer__menu a {
	display: inline-block;
	font-size: 0.9375rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	color: rgba(255, 255, 255, 0.72);
	text-decoration: none;
	padding: 0.35rem 0;
	transition: color 0.2s ease;
}

.impulsa-footer__menu a:hover {
	color: var(--impulsa-white);
}

/* Copyright */
.impulsa-footer__copy {
	margin: 0;
	font-size: 0.8125rem;
	letter-spacing: 0.02em;
	color: rgba(255, 255, 255, 0.5);
	width: 100%;
	text-align: center;
}

@media (min-width: 768px) {
	.impulsa-footer__copy {
		width: auto;
		text-align: right;
	}
}

/* Main content area */
.impulsa-main {
	min-height: 60vh;
}

/* Section title (landing) */
.impulsa-section-title {
	font-size: var(--text-2xl);
	font-weight: 700;
	margin: 0 0 var(--space-8);
	text-align: center;
}
@media (min-width: 768px) {
	.impulsa-section-title {
		font-size: var(--text-3xl);
		margin-bottom: var(--space-12);
	}
}

/* ==========================================================================
   Hero (landing)
   ========================================================================== */
.impulsa-hero {
	text-align: center;
	background: linear-gradient(180deg, rgba(0,0,0,0.02) 0%, transparent 100%);
}
.impulsa-hero__inner {
	max-width: 720px;
}
.impulsa-hero__title {
	font-size: var(--text-3xl);
	line-height: var(--line-tight);
	font-weight: 700;
	margin: 0 0 var(--space-4);
	color: var(--impulsa-text);
}
@media (min-width: 768px) {
	.impulsa-hero__title {
		font-size: var(--text-4xl);
	}
}
.impulsa-hero__subtitle {
	font-size: var(--text-lg);
	color: var(--impulsa-text-muted);
	margin: 0 0 var(--space-8);
	line-height: var(--line-relaxed);
}
.impulsa-hero__cta-wrap {
	margin: 0;
}
.impulsa-btn--hero {
	padding: var(--space-4) var(--space-8);
	font-size: var(--text-lg);
}

/* ==========================================================================
   Services (cards)
   ========================================================================== */
.impulsa-services__grid {
	display: grid;
	gap: var(--space-6);
}
@media (min-width: 640px) {
	.impulsa-services__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (min-width: 1024px) {
	.impulsa-services__grid {
		grid-template-columns: repeat(3, 1fr);
		gap: var(--space-8);
	}
}
.impulsa-service-card {
	display: block;
	padding: var(--space-8);
	border: 1px solid var(--impulsa-border);
	border-radius: 8px;
	background: var(--impulsa-bg);
	color: var(--impulsa-text);
	transition: border-color var(--duration-2) var(--ease-out), box-shadow var(--duration-2) var(--ease-out), transform var(--duration-2) var(--ease-out);
}
.impulsa-service-card:hover {
	border-color: var(--impulsa-accent);
	box-shadow: 0 8px 24px rgba(0,0,0,0.06);
	transform: translateY(-2px);
}
.impulsa-service-card__icon {
	display: inline-block;
	font-size: var(--text-2xl);
	font-weight: 700;
	color: var(--impulsa-accent);
	margin-bottom: var(--space-3);
}
.impulsa-service-card__title {
	font-size: var(--text-xl);
	font-weight: 600;
	margin: 0 0 var(--space-2);
}
.impulsa-service-card__desc {
	margin: 0;
	color: var(--impulsa-text-muted);
	font-size: var(--text-sm);
}

/* ==========================================================================
   Why Impulsa
   ========================================================================== */
.impulsa-why__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: var(--space-4);
	max-width: 560px;
	margin-left: auto;
	margin-right: auto;
}
@media (min-width: 640px) {
	.impulsa-why__list {
		grid-template-columns: repeat(2, 1fr);
		max-width: none;
	}
}
.impulsa-why__item {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-4);
	border-radius: 8px;
	background: rgba(0,0,0,0.02);
}
.impulsa-why__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	background: var(--impulsa-accent);
	color: var(--impulsa-white);
	border-radius: 50%;
	font-size: var(--text-sm);
	flex-shrink: 0;
}

/* ==========================================================================
   Portfolio (mock)
   ========================================================================== */
.impulsa-portfolio__grid {
	display: grid;
	gap: var(--space-6);
}
@media (min-width: 640px) {
	.impulsa-portfolio__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
.impulsa-portfolio__item {
	position: relative;
	border-radius: 8px;
	overflow: hidden;
	aspect-ratio: 4/3;
}
.impulsa-portfolio__placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, var(--impulsa-border) 0%, #f0f0f0 100%);
}
.impulsa-portfolio__overlay {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-4);
	background: rgba(0,0,0,0.6);
	color: var(--impulsa-white);
	opacity: 0;
	transition: opacity var(--duration-3) var(--ease-out);
}
.impulsa-portfolio__item:hover .impulsa-portfolio__overlay {
	opacity: 1;
}
.impulsa-portfolio__tag {
	font-size: var(--text-xs);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--impulsa-red);
}
.impulsa-portfolio__title {
	font-size: var(--text-lg);
	font-weight: 600;
	margin: 0;
}

/* ==========================================================================
   Testimonials (Swiper)
   ========================================================================== */
.impulsa-testimonials__slider {
	padding-bottom: var(--space-12);
}
.impulsa-testimonial {
	margin: 0;
	padding: var(--space-8);
	background: rgba(0,0,0,0.02);
	border-radius: 8px;
	border-left: 4px solid var(--impulsa-accent);
}
.impulsa-testimonial__quote {
	font-size: var(--text-lg);
	line-height: var(--line-relaxed);
	margin: 0 0 var(--space-4);
}
.impulsa-testimonial__author {
	font-style: normal;
	font-size: var(--text-sm);
	color: var(--impulsa-text-muted);
}
.swiper-pagination-bullet {
	background: var(--impulsa-border);
	opacity: 1;
}
.swiper-pagination-bullet-active {
	background: var(--impulsa-accent);
	width: 24px;
	border-radius: 4px;
}

/* ==========================================================================
   CTA final
   ========================================================================== */
.impulsa-cta {
	background: var(--impulsa-black);
	color: var(--impulsa-white);
	text-align: center;
}
.impulsa-cta__inner {
	max-width: 560px;
}
.impulsa-cta__title {
	font-size: var(--text-2xl);
	font-weight: 700;
	margin: 0 0 var(--space-4);
}
@media (min-width: 768px) {
	.impulsa-cta__title {
		font-size: var(--text-3xl);
	}
}
.impulsa-cta__text {
	margin: 0 0 var(--space-8);
	opacity: 0.9;
}
.impulsa-cta__btn {
	background: var(--impulsa-white);
	color: var(--impulsa-black);
}
.impulsa-cta__btn:hover {
	background: rgba(255,255,255,0.9);
}