/**
 * SEI Integra — Design System (Etapa 1)
 * Tokens + componentes reutilizables. Paleta corporativa sin cambios.
 */

/* --------------------------------------------------------------------------
   Tokens ampliados
   -------------------------------------------------------------------------- */
:root {
	--sei-space-2xs: 0.25rem;
	--sei-space-xs: 0.5rem;
	--sei-space-sm: 0.75rem;
	--sei-space-md: 1rem;
	--sei-space-lg: 1.5rem;
	--sei-space-xl: 2rem;
	--sei-space-2xl: 3rem;
	--sei-space-3xl: 4.5rem;
	--sei-space-4xl: 6rem;
	--sei-space-section: clamp(4rem, 8vw, 7.5rem);
	--sei-space-section-sm: clamp(2.5rem, 6vw, 4rem);

	--sei-text-display: clamp(2.75rem, 6.5vw, 5.5rem);
	--sei-text-h1: clamp(2rem, 4.5vw, 3.5rem);
	--sei-text-h2: clamp(1.625rem, 3.2vw, 2.75rem);
	--sei-text-h3: clamp(1.25rem, 2.4vw, 1.875rem);
	--sei-text-lead: clamp(1.05rem, 1.6vw, 1.25rem);
	--sei-text-body: 1rem;
	--sei-text-sm: 0.875rem;
	--sei-text-xs: 0.75rem;
	--sei-text-overline: 0.6875rem;

	--sei-leading-tight: 1.05;
	--sei-leading-snug: 1.25;
	--sei-leading-normal: 1.6;
	--sei-tracking-tight: -0.04em;
	--sei-tracking-wide: 0.12em;
	--sei-tracking-wider: 0.18em;

	--sei-radius-xs: 6px;
	--sei-radius-sm: 10px;
	--sei-radius-md: 16px;
	--sei-radius-lg: 24px;
	--sei-radius-xl: 40px;
	--sei-radius-2xl: 70px;
	--sei-radius-full: 999px;

	--sei-shadow-subtle: 0 4px 24px rgba(0, 0, 0, 0.35);
	--sei-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.55);
	--sei-shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 20px 60px rgba(0, 0, 0, 0.65);
	--sei-shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);

	--sei-glass-bg: rgba(10, 10, 10, 0.72);
	--sei-glass-border: rgba(224, 224, 224, 0.14);
	--sei-glass-blur: 18px;

	--sei-container-max: 1280px;
	--sei-container-narrow: 960px;
	--sei-grid-gap: clamp(1rem, 2.5vw, 2rem);

	--sei-z-base: 1;
	--sei-z-elevated: 10;
	--sei-z-header: 10000;
	--sei-z-overlay: 10001;
	--sei-z-modal: 10002;

	--sei-motion-fast: 0.25s;
	--sei-motion-base: 0.45s;
	--sei-motion-slow: 0.7s;
}

/* --------------------------------------------------------------------------
   Lenis — scroll suave (desktop + móvil)
   -------------------------------------------------------------------------- */
html.lenis,
html.lenis body {
	height: auto;
}

html.lenis.lenis-smooth {
	scroll-behavior: auto !important;
}

html.lenis.lenis-smooth body {
	scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
	overscroll-behavior: contain;
}

.lenis.lenis-stopped {
	overflow: hidden;
}

.lenis.lenis-stopped body {
	overflow: hidden;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.sei-container {
	width: min(100% - var(--sei-space-xl), var(--sei-container-max));
	margin-inline: auto;
}

.sei-container--narrow {
	width: min(100% - var(--sei-space-xl), var(--sei-container-narrow));
}

.sei-section {
	padding-block: var(--sei-space-section);
	position: relative;
}

.sei-section--compact {
	padding-block: var(--sei-space-section-sm);
}

.sei-section--flush-top {
	padding-top: 0;
}

.sei-grid {
	display: grid;
	gap: var(--sei-grid-gap);
}

.sei-grid--2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sei-grid--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sei-grid--asymmetric {
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

@media (max-width: 1024px) {
	.sei-grid--2,
	.sei-grid--3,
	.sei-grid--asymmetric {
		grid-template-columns: 1fr;
	}
}

/* --------------------------------------------------------------------------
   Tipografía
   -------------------------------------------------------------------------- */
.sei-overline {
	display: block;
	margin-bottom: var(--sei-space-sm);
	font-size: var(--sei-text-overline);
	font-weight: 500;
	letter-spacing: var(--sei-tracking-wider);
	text-transform: uppercase;
	color: var(--sei-silver-mid);
}

.sei-display,
.sei-display .elementor-heading-title {
	font-size: var(--sei-text-display) !important;
	line-height: var(--sei-leading-tight) !important;
	letter-spacing: var(--sei-tracking-tight) !important;
	font-weight: 400 !important;
	color: var(--sei-silver-bright) !important;
}

.sei-headline,
.sei-headline .elementor-heading-title {
	font-size: var(--sei-text-h1) !important;
	line-height: var(--sei-leading-snug) !important;
	letter-spacing: var(--sei-tracking-tight) !important;
	font-weight: 500 !important;
}

.sei-title,
.sei-title .elementor-heading-title {
	font-size: var(--sei-text-h2) !important;
	line-height: var(--sei-leading-snug) !important;
}

.sei-lead {
	font-size: var(--sei-text-lead);
	line-height: var(--sei-leading-normal);
	color: var(--sei-silver-light);
	max-width: 62ch;
}

.sei-metal-text {
	background: var(--sei-metal);
	background-size: 200% auto;
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
}

/* --------------------------------------------------------------------------
   Botones
   -------------------------------------------------------------------------- */
.sei-btn,
.sei-btn .elementor-button,
.elementor-button.sei-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--sei-space-xs);
	min-height: 52px;
	padding: 0.85rem 1.75rem !important;
	border-radius: var(--sei-radius-full) !important;
	font-family: var(--sei-font) !important;
	font-size: var(--sei-text-sm) !important;
	font-weight: 500 !important;
	letter-spacing: var(--sei-tracking-wide) !important;
	text-transform: uppercase !important;
	text-decoration: none !important;
	border: 1px solid transparent !important;
	transition:
		transform var(--sei-motion-base) var(--sei-ease),
		box-shadow var(--sei-motion-base) var(--sei-ease),
		background var(--sei-motion-base) var(--sei-ease),
		border-color var(--sei-motion-base) var(--sei-ease),
		color var(--sei-motion-base) var(--sei-ease) !important;
	cursor: pointer;
}

.sei-btn--primary,
.sei-btn--primary .elementor-button {
	background: var(--sei-metal) !important;
	background-size: 200% auto !important;
	color: var(--sei-black-deep) !important;
	border-color: rgba(255, 255, 255, 0.25) !important;
	box-shadow: var(--sei-shadow-subtle);
}

.sei-btn--primary:hover,
.sei-btn--primary:focus-visible,
.sei-btn--primary .elementor-button:hover,
.sei-btn--primary .elementor-button:focus-visible {
	transform: translateY(-2px);
	box-shadow: var(--sei-shadow-glow);
	background-position: 100% center !important;
	color: var(--sei-black-deep) !important;
}

.sei-btn--ghost,
.sei-btn--ghost .elementor-button {
	background: transparent !important;
	color: var(--sei-silver-light) !important;
	border-color: var(--sei-border-strong) !important;
}

.sei-btn--ghost:hover,
.sei-btn--ghost:focus-visible,
.sei-btn--ghost .elementor-button:hover,
.sei-btn--ghost .elementor-button:focus-visible {
	color: var(--sei-silver-bright) !important;
	border-color: rgba(255, 255, 255, 0.45) !important;
	background: rgba(255, 255, 255, 0.04) !important;
}

.sei-btn:active,
.sei-btn .elementor-button:active {
	transform: translateY(0) scale(0.98);
}

/* --------------------------------------------------------------------------
   Tarjetas
   -------------------------------------------------------------------------- */
.sei-card {
	position: relative;
	padding: var(--sei-space-xl);
	border-radius: var(--sei-radius-lg);
	background: var(--sei-black-card);
	border: 1px solid var(--sei-border);
	box-shadow: var(--sei-shadow-card);
	transition:
		transform var(--sei-motion-base) var(--sei-ease),
		box-shadow var(--sei-motion-base) var(--sei-ease),
		border-color var(--sei-motion-base) var(--sei-ease);
}

.sei-card:hover {
	transform: translateY(-4px);
	border-color: var(--sei-border-strong);
	box-shadow: var(--sei-shadow-elevated);
}

.sei-card--glass {
	background: var(--sei-glass-bg);
	backdrop-filter: blur(var(--sei-glass-blur));
	-webkit-backdrop-filter: blur(var(--sei-glass-blur));
	border-color: var(--sei-glass-border);
}

.sei-card__title {
	margin: 0 0 var(--sei-space-sm);
	font-size: var(--sei-text-h3);
	color: var(--sei-silver-bright);
}

.sei-card__text {
	margin: 0;
	color: var(--sei-silver-mid);
	line-height: var(--sei-leading-normal);
}

/* --------------------------------------------------------------------------
   Imagen / media
   -------------------------------------------------------------------------- */
.sei-media {
	overflow: hidden;
	border-radius: var(--sei-radius-xl);
}

.sei-media img,
.sei-media .elementor-widget-container img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.sei-media--mask-tr {
	border-radius: var(--sei-radius-2xl) 0 0 0;
}

.sei-media--float {
	box-shadow: var(--sei-shadow-glow);
}

/* --------------------------------------------------------------------------
   Reveal hooks (GSAP los animará en etapas posteriores)
   -------------------------------------------------------------------------- */
.sei-reveal,
.sei-reveal-up,
.sei-reveal-left,
.sei-reveal-scale,
.sei-stagger > * {
	opacity: 1;
	transform: none;
}

body.sei-motion-ready:not(.sei-reduced-motion) .sei-reveal-up[data-sei-animate] {
	opacity: 0;
	transform: translateY(28px);
}

body.sei-motion-ready:not(.sei-reduced-motion) .sei-reveal-left[data-sei-animate] {
	opacity: 0;
	transform: translateX(-28px);
}

body.sei-motion-ready:not(.sei-reduced-motion) .sei-reveal-scale[data-sei-animate] {
	opacity: 0;
	transform: scale(0.96);
}

/* --------------------------------------------------------------------------
   Utilidades
   -------------------------------------------------------------------------- */
.sei-stack {
	display: flex;
	flex-direction: column;
	gap: var(--sei-space-lg);
}

.sei-cluster {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--sei-space-md);
}

.sei-divider {
	height: 1px;
	border: 0;
	margin: 0;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(192, 192, 192, 0.35),
		transparent
	);
}

.sei-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.35rem 0.75rem;
	border-radius: var(--sei-radius-full);
	font-size: var(--sei-text-xs);
	letter-spacing: var(--sei-tracking-wide);
	text-transform: uppercase;
	color: var(--sei-silver-light);
	border: 1px solid var(--sei-border);
	background: rgba(255, 255, 255, 0.03);
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
	.sei-btn,
	.sei-card {
		transition: none !important;
	}

	body.sei-motion-ready .sei-reveal-up[data-sei-animate],
	body.sei-motion-ready .sei-reveal-left[data-sei-animate],
	body.sei-motion-ready .sei-reveal-scale[data-sei-animate] {
		opacity: 1 !important;
		transform: none !important;
	}
}