/*!
 * Nexcore UI Design System
 * Version: 1.0.0
 * 
 * Design system moderno e minimalista para landing pages premium.
 * Todas as classes começam com .nx- para evitar conflitos.
 * 
 * Inspiração: Microsoft, Apple, Stripe - clean, tech, corporate
 */

/* ========================================
   CONFIGURAÇÃO GLOBAL
   ======================================== */

/**
 * PERSONALIZAÇÃO - Cores Principais
 * Ajuste aqui as cores base do design system
 */
:root {
	--nx-color-primary: #2563eb;      /* Azul principal */
	--nx-color-primary-dark: #1e40af; /* Azul escuro para hover */
	--nx-color-secondary: #64748b;    /* Cinza azulado */
	--nx-color-accent: #8b5cf6;       /* Roxo de destaque */
	--nx-color-success: #10b981;      /* Verde */
	--nx-color-dark: #0f172a;         /* Escuro para texto/backgrounds */
	--nx-color-light: #f8fafc;        /* Claro para backgrounds */
	--nx-color-white: #ffffff;
	
	/* Gradientes */
	--nx-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	--nx-gradient-2: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
	--nx-gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
	
	/* Sombras */
	--nx-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--nx-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
	--nx-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
	--nx-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
	
	/* Espaçamentos */
	--nx-spacing-xs: 0.5rem;   /* 8px */
	--nx-spacing-sm: 1rem;     /* 16px */
	--nx-spacing-md: 1.5rem;   /* 24px */
	--nx-spacing-lg: 2.5rem;   /* 40px */
	--nx-spacing-xl: 4rem;     /* 64px */
	--nx-spacing-2xl: 6rem;    /* 96px */
	
	/* Border Radius */
	--nx-radius-sm: 0.375rem;  /* 6px */
	--nx-radius-md: 0.5rem;    /* 8px */
	--nx-radius-lg: 0.75rem;   /* 12px */
	--nx-radius-xl: 1rem;      /* 16px */
}

/**
 * PERSONALIZAÇÃO - Tipografia
 * Ajuste a font-family e tamanhos base aqui
 */
.nx-container,
.nx-section,
.nx-hero,
.nx-card,
.nx-btn {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}


/* ========================================
   1) LAYOUT BASE
   ======================================== */

.nx-container {
	max-width: 1200px;
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--nx-spacing-md);
	padding-right: var(--nx-spacing-md);
	width: 100%;
}

@media (min-width: 768px) {
	.nx-container {
		padding-left: var(--nx-spacing-lg);
		padding-right: var(--nx-spacing-lg);
	}
}

.nx-section {
	padding-top: 5rem;
	padding-bottom: 5rem;
	background-color: var(--nx-color-white);
}

@media (min-width: 768px) {
	.nx-section {
		padding-top: 7.5rem;
		padding-bottom: 7.5rem;
	}
}

.nx-section-alt {
	background-color: var(--nx-color-light);
}

/* Flexbox utilities */
.nx-flex {
	display: flex;
	align-items: center;
}

.nx-flex-col {
	display: flex;
	flex-direction: column;
}

.nx-flex-center {
	display: flex;
	align-items: center;
	justify-content: center;
}

.nx-flex-between {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Grid utilities */
.nx-grid-2,
.nx-grid-3 {
	display: grid;
	gap: var(--nx-spacing-lg);
}

.nx-grid-2 {
	grid-template-columns: 1fr;
}

@media (min-width: 768px) {
	.nx-grid-2 {
		grid-template-columns: repeat(2, 1fr);
	}
}

.nx-grid-3 {
	grid-template-columns: 1fr;
}

@media (min-width: 768px) {
	.nx-grid-3 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.nx-grid-3 {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* Gap utilities */
.nx-gap-sm {
	gap: var(--nx-spacing-sm);
}

.nx-gap-md {
	gap: var(--nx-spacing-md);
}

.nx-gap-lg {
	gap: var(--nx-spacing-lg);
}

.nx-gap-xl {
	gap: var(--nx-spacing-xl);
}


/* ========================================
   2) HERO SPECIFIC
   ======================================== */

.nx-hero {
	position: relative;
	padding-top: 4rem;
	padding-bottom: 4rem;
	overflow: hidden;
}

@media (min-width: 768px) {
	.nx-hero {
		padding-top: 5rem;
		padding-bottom: 5rem;
	}
}

.nx-hero-full {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
}

.nx-hero-split {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--nx-spacing-xl);
	align-items: center;
}

@media (min-width: 768px) {
	.nx-hero-split {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--nx-spacing-2xl);
	}
}

.nx-hero-center {
	text-align: center;
}

.nx-hero-center .nx-hero-inner {
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
}

.nx-hero-dark {
	background-color: var(--nx-color-dark);
	color: var(--nx-color-white);
}

.nx-hero-light {
	background-color: var(--nx-color-light);
	color: var(--nx-color-dark);
}

.nx-hero-gradient {
	background: var(--nx-gradient-2);
	color: var(--nx-color-white);
}

.nx-hero-inner {
	position: relative;
	z-index: 10;
}

/* Hero Media */
.nx-hero-media {
	position: relative;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.nx-hero-image {
	max-width: 100%;
	height: auto;
	border-radius: var(--nx-radius-lg);
	box-shadow: var(--nx-shadow-xl);
}


/* ========================================
   3) TIPOGRAFIA
   ======================================== */

.nx-title-xxl {
	font-size: 2rem;
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -0.02em;
	margin-bottom: var(--nx-spacing-md);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-title-xxl {
		font-size: 3.5rem;
	}
}

.nx-title-xl {
	font-size: 1.75rem;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.01em;
	margin-bottom: var(--nx-spacing-md);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-title-xl {
		font-size: 2.5rem;
	}
}

.nx-title-lg {
	font-size: 1.5rem;
	font-weight: 700;
	line-height: 1.3;
	margin-bottom: var(--nx-spacing-sm);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-title-lg {
		font-size: 2rem;
	}
}

.nx-title-md {
	font-size: 1.25rem;
	font-weight: 600;
	line-height: 1.4;
	margin-bottom: var(--nx-spacing-sm);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-title-md {
		font-size: 1.5rem;
	}
}

.nx-text-md {
	font-size: 1rem;
	line-height: 1.6;
	margin-bottom: var(--nx-spacing-sm);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-text-md {
		font-size: 1.125rem;
	}
}

.nx-text-sm {
	font-size: 0.875rem;
	line-height: 1.5;
	color: inherit;
}

.nx-text-muted {
	opacity: 0.7;
}

.nx-lead {
	font-size: 1.125rem;
	line-height: 1.7;
	margin-bottom: var(--nx-spacing-lg);
	color: inherit;
}

@media (min-width: 768px) {
	.nx-lead {
		font-size: 1.25rem;
	}
}


/* ========================================
   4) BOTÕES
   ======================================== */

.nx-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.875rem 2rem;
	font-size: 1rem;
	font-weight: 600;
	line-height: 1;
	text-decoration: none;
	border: none;
	border-radius: var(--nx-radius-md);
	cursor: pointer;
	transition: all 0.2s ease-in-out;
	white-space: nowrap;
	gap: 0.5rem;
}

.nx-btn:hover {
	transform: translateY(-1px);
}

.nx-btn:active {
	transform: translateY(0);
}

.nx-btn-primary {
	background-color: var(--nx-color-primary);
	color: var(--nx-color-white);
	box-shadow: var(--nx-shadow-md);
}

.nx-btn-primary:hover {
	background-color: var(--nx-color-primary-dark);
	box-shadow: var(--nx-shadow-lg);
}

.nx-btn-secondary {
	background-color: var(--nx-color-secondary);
	color: var(--nx-color-white);
	box-shadow: var(--nx-shadow-sm);
}

.nx-btn-secondary:hover {
	background-color: #475569;
	box-shadow: var(--nx-shadow-md);
}

.nx-btn-ghost {
	background-color: transparent;
	color: var(--nx-color-primary);
	border: 2px solid var(--nx-color-primary);
	box-shadow: none;
}

.nx-btn-ghost:hover {
	background-color: var(--nx-color-primary);
	color: var(--nx-color-white);
}

/* Botões em hero dark precisam de ajuste */
.nx-hero-dark .nx-btn-ghost,
.nx-hero-gradient .nx-btn-ghost {
	color: var(--nx-color-white);
	border-color: var(--nx-color-white);
}

.nx-hero-dark .nx-btn-ghost:hover,
.nx-hero-gradient .nx-btn-ghost:hover {
	background-color: var(--nx-color-white);
	color: var(--nx-color-dark);
}


/* ========================================
   5) CARTÕES / DESTAQUES
   ======================================== */

.nx-card {
	background-color: var(--nx-color-white);
	border-radius: var(--nx-radius-lg);
	padding: var(--nx-spacing-lg);
	box-shadow: var(--nx-shadow-md);
	transition: all 0.3s ease;
}

.nx-card-outline {
	background-color: transparent;
	border: 1px solid rgba(0, 0, 0, 0.1);
	box-shadow: none;
}

.nx-card-hover:hover {
	transform: translateY(-4px);
	box-shadow: var(--nx-shadow-xl);
}

.nx-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.25rem 0.75rem;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border-radius: var(--nx-radius-sm);
	background-color: var(--nx-color-primary);
	color: var(--nx-color-white);
}

.nx-badge-secondary {
	background-color: var(--nx-color-secondary);
}

.nx-badge-accent {
	background-color: var(--nx-color-accent);
}

.nx-badge-success {
	background-color: var(--nx-color-success);
}


/* ========================================
   6) IMAGENS / MEDIA
   ======================================== */

/* Aspect ratio helper para mockups */
.nx-aspect-16-9 {
	position: relative;
	width: 100%;
	padding-bottom: 56.25%; /* 16:9 */
	overflow: hidden;
	border-radius: var(--nx-radius-lg);
}

.nx-aspect-16-9 img,
.nx-aspect-16-9 video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.nx-aspect-4-3 {
	position: relative;
	width: 100%;
	padding-bottom: 75%; /* 4:3 */
	overflow: hidden;
	border-radius: var(--nx-radius-lg);
}

.nx-aspect-4-3 img,
.nx-aspect-4-3 video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}


/* ========================================
   7) CORES E FUNDOS
   ======================================== */

.nx-bg-dark {
	background-color: var(--nx-color-dark);
	color: var(--nx-color-white);
}

.nx-bg-light {
	background-color: var(--nx-color-light);
	color: var(--nx-color-dark);
}

.nx-bg-white {
	background-color: var(--nx-color-white);
	color: var(--nx-color-dark);
}

.nx-bg-gradient-1 {
	background: var(--nx-gradient-1);
	color: var(--nx-color-white);
}

.nx-bg-gradient-2 {
	background: var(--nx-gradient-2);
	color: var(--nx-color-white);
}

.nx-bg-gradient-3 {
	background: var(--nx-gradient-3);
	color: var(--nx-color-white);
}

.nx-text-accent {
	color: var(--nx-color-accent);
}

.nx-text-primary {
	color: var(--nx-color-primary);
}


/* ========================================
   8) UTILITÁRIOS ADICIONAIS
   ======================================== */

/* Espaçamentos */
.nx-mt-sm { margin-top: var(--nx-spacing-sm); }
.nx-mt-md { margin-top: var(--nx-spacing-md); }
.nx-mt-lg { margin-top: var(--nx-spacing-lg); }
.nx-mt-xl { margin-top: var(--nx-spacing-xl); }

.nx-mb-sm { margin-bottom: var(--nx-spacing-sm); }
.nx-mb-md { margin-bottom: var(--nx-spacing-md); }
.nx-mb-lg { margin-bottom: var(--nx-spacing-lg); }
.nx-mb-xl { margin-bottom: var(--nx-spacing-xl); }

.nx-pt-sm { padding-top: var(--nx-spacing-sm); }
.nx-pt-md { padding-top: var(--nx-spacing-md); }
.nx-pt-lg { padding-top: var(--nx-spacing-lg); }
.nx-pt-xl { padding-top: var(--nx-spacing-xl); }

.nx-pb-sm { padding-bottom: var(--nx-spacing-sm); }
.nx-pb-md { padding-bottom: var(--nx-spacing-md); }
.nx-pb-lg { padding-bottom: var(--nx-spacing-lg); }
.nx-pb-xl { padding-bottom: var(--nx-spacing-xl); }

/* Alinhamento de texto */
.nx-text-left { text-align: left; }
.nx-text-center { text-align: center; }
.nx-text-right { text-align: right; }

/* Max widths para conteúdo */
.nx-max-w-sm { max-width: 24rem; margin-left: auto; margin-right: auto; }
.nx-max-w-md { max-width: 28rem; margin-left: auto; margin-right: auto; }
.nx-max-w-lg { max-width: 32rem; margin-left: auto; margin-right: auto; }
.nx-max-w-xl { max-width: 36rem; margin-left: auto; margin-right: auto; }
.nx-max-w-2xl { max-width: 42rem; margin-left: auto; margin-right: auto; }

/* Width full */
.nx-w-full { width: 100%; }

/* Overlay para heroes com imagem de fundo */
.nx-overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 1;
}

.nx-overlay-light {
	background-color: rgba(255, 255, 255, 0.9);
}


/* ========================================
   9) RESPONSIVIDADE ADICIONAL
   ======================================== */

/* Ocultar em mobile */
@media (max-width: 767px) {
	.nx-hidden-mobile {
		display: none !important;
	}
}

/* Ocultar em desktop */
@media (min-width: 768px) {
	.nx-hidden-desktop {
		display: none !important;
	}
}

/* Stack em mobile (útil para botões lado a lado) */
.nx-btn-group {
	display: flex;
	flex-direction: column;
	gap: var(--nx-spacing-sm);
}

@media (min-width: 640px) {
	.nx-btn-group {
		flex-direction: row;
		align-items: center;
	}
}


/* ========================================
   10) ANIMAÇÕES SUBTIS
   ======================================== */

@keyframes nx-fade-in {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.nx-fade-in {
	animation: nx-fade-in 0.6s ease-out;
}

/* Smooth scroll para toda a página usando Nexcore UI */
html.nx-smooth-scroll {
	scroll-behavior: smooth;
}