/* ==========================================================================
   CSS VARIABLES - DESIGN SYSTEM
   ========================================================================== */
:root {
	/* Colors */
	--color-bg-primary: #121214;
	--color-bg-secondary: #18181B;
	--color-surface: #27272A;
	--color-border: #3F3F46;
	
	--color-text-primary: #F4F4F5;
	--color-text-secondary: #A1A1AA;
	
	--color-accent-gold: #F59E0B;
	--color-accent-cyan: #06B6D4;
	
	/* Typography */
	--font-heading: 'Syne', sans-serif;
	--font-body: 'Plus Jakarta Sans', sans-serif;
	
	/* Spacing */
	--spacing-sm: 0.5rem;
	--spacing-md: 1rem;
	--spacing-lg: 2rem;
	--spacing-xl: 4rem;
	--spacing-xxl: 6rem;
	
	/* Border Radius */
	--radius-md: 8px;
	--radius-lg: 12px;
	--radius-xl: 16px;
	
	/* Transitions */
	--transition-fast: 150ms ease;
	--transition-smooth: 300ms ease;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: var(--font-body);
	background-color: var(--color-bg-primary);
	color: var(--color-text-primary);
	line-height: 1.6;
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	font-weight: 700;
	line-height: 1.2;
	margin-bottom: var(--spacing-md);
	color: var(--color-text-primary);
}

a {
	color: var(--color-accent-gold);
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover {
	color: var(--color-accent-cyan);
}

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

.container {
	width: 90%;
	max-width: 1200px;
	margin: 0 auto;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.8rem 1.5rem;
	font-weight: 600;
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: all var(--transition-smooth);
	border: none;
	font-family: var(--font-heading);
}

.btn-primary {
	background-color: var(--color-accent-gold);
	color: var(--color-bg-primary);
}

.btn-primary:hover {
	background-color: #fbbf24;
	color: var(--color-bg-primary);
	transform: translateY(-2px);
}

.btn-secondary {
	background-color: transparent;
	color: var(--color-text-primary);
	border: 1px solid var(--color-border);
}

.btn-secondary:hover {
	border-color: var(--color-accent-cyan);
	color: var(--color-accent-cyan);
}

.btn-outline {
	background: transparent;
	border: 1px solid var(--color-text-secondary);
	color: var(--color-text-primary);
}

.btn-outline:hover {
	background: var(--color-surface);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 100;
	background: rgba(18, 18, 20, 0.8);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--color-border);
	padding: 1rem 0;
}

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

.logo-text {
	font-family: var(--font-heading);
	font-size: 1.5rem;
	font-weight: 800;
	color: var(--color-text-primary);
}

.main-navigation ul {
	list-style: none;
	display: flex;
	gap: 2rem;
}

.main-navigation a {
	color: var(--color-text-secondary);
	font-weight: 500;
}

.main-navigation a:hover {
	color: var(--color-text-primary);
}

.menu-toggle {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
}

.hamburger {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--color-text-primary);
	position: relative;
}

.hamburger::before, .hamburger::after {
	content: '';
	position: absolute;
	width: 24px;
	height: 2px;
	background: var(--color-text-primary);
	left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
	padding-top: calc(80px + var(--spacing-xxl));
	padding-bottom: var(--spacing-xxl);
	background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.05), transparent 50%);
}

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

.hero-title {
	font-size: 3.5rem;
	font-weight: 800;
	margin-bottom: var(--spacing-md);
	letter-spacing: -0.02em;
}

.hero-subtitle {
	font-size: 1.25rem;
	color: var(--color-text-secondary);
	margin-bottom: var(--spacing-lg);
	max-width: 90%;
}

.hero-actions {
	display: flex;
	gap: var(--spacing-md);
}

.hero-image .image-mask {
	border-radius: var(--radius-xl);
	overflow: hidden;
	border: 1px solid var(--color-border);
	box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.hero-image img {
	width: 100%;
	height: auto;
	object-fit: cover;
	filter: grayscale(80%) contrast(1.2);
	transition: filter var(--transition-smooth);
}

.hero-image:hover img {
	filter: grayscale(0%) contrast(1.1);
}

/* ==========================================================================
   PILLARS SECTION
   ========================================================================== */
.pillars-section {
	padding: var(--spacing-xxl) 0;
	background-color: var(--color-bg-secondary);
}

.section-title {
	text-align: center;
	font-size: 2.5rem;
	margin-bottom: var(--spacing-xl);
}

.pillars-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--spacing-lg);
}

.pillar-card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	padding: var(--spacing-lg);
	border-radius: var(--radius-lg);
	transition: transform var(--transition-smooth), border-color var(--transition-fast);
}

.pillar-card:hover {
	transform: translateY(-5px);
	border-color: var(--color-text-secondary);
}

.pillar-icon {
	font-size: 2.5rem;
	margin-bottom: var(--spacing-md);
}

.pillar-card h3 {
	font-size: 1.25rem;
}

.pillar-card p {
	color: var(--color-text-secondary);
	font-size: 0.95rem;
}

/* ==========================================================================
   FEATURED CASES & PORTFOLIO
   ========================================================================== */
.featured-cases-section {
	padding: var(--spacing-xxl) 0;
}

.section-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: var(--spacing-lg);
}

.section-header .section-title {
	margin-bottom: 0;
}

.view-all {
	font-weight: 600;
	color: var(--color-text-secondary);
}

.view-all:hover {
	color: var(--color-text-primary);
}

.cases-grid, .portfolio-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: var(--spacing-lg);
}

.case-card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: all var(--transition-smooth);
}

.case-card:hover {
	border-color: var(--color-accent-gold);
	transform: translateY(-5px);
}

.case-card-link {
	display: block;
	color: inherit;
}
.case-card-link:hover { color: inherit; }

.case-image {
	aspect-ratio: 16/9;
	background: var(--color-bg-secondary);
	border-bottom: 1px solid var(--color-border);
}

.case-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.placeholder-image {
	width: 100%;
	height: 100%;
	background: linear-gradient(45deg, var(--color-bg-secondary), var(--color-surface));
}

.case-content {
	padding: var(--spacing-md);
}

.case-category {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-accent-cyan);
	font-weight: 700;
	display: block;
	margin-bottom: 0.5rem;
}

.case-title {
	font-size: 1.25rem;
	margin-bottom: 0.5rem;
}

.case-excerpt {
	color: var(--color-text-secondary);
	font-size: 0.9rem;
	margin-bottom: 1rem;
}

.read-more {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--color-accent-gold);
}

/* ==========================================================================
   PORTFOLIO FILTERS
   ========================================================================== */
.page-portfolio {
	padding: var(--spacing-lg) 0 var(--spacing-xxl) 0;
}

.portfolio-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-bottom: var(--spacing-xl);
	justify-content: center;
}

.filter-btn {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	color: var(--color-text-secondary);
	padding: 0.5rem 1.25rem;
	border-radius: 30px;
	cursor: pointer;
	font-family: var(--font-body);
	font-weight: 500;
	transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
	background: var(--color-text-primary);
	color: var(--color-bg-primary);
	border-color: var(--color-text-primary);
}

/* ==========================================================================
   EDITORIAL CALLOUT
   ========================================================================== */
.editorial-callout {
	padding: var(--spacing-xxl) 0;
	background: var(--color-surface);
	border-top: 1px solid var(--color-border);
	border-bottom: 1px solid var(--color-border);
	text-align: center;
}

.callout-inner {
	max-width: 600px;
}

.eyebrow {
	color: var(--color-accent-cyan);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	font-weight: 700;
	display: block;
	margin-bottom: 1rem;
}

.callout-content p {
	color: var(--color-text-secondary);
	margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   PAGE HEADER (Páginas internas)
   ========================================================================== */
.page-header {
	padding-top: calc(100px + var(--spacing-lg));
	padding-bottom: var(--spacing-lg);
	text-align: center;
}

.page-title {
	font-size: 3rem;
}

.page-subtitle {
	color: var(--color-text-secondary);
	font-size: 1.1rem;
	max-width: 600px;
	margin: 0 auto;
}

/* ==========================================================================
   SOBRE
   ========================================================================== */
.sobre-grid {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--spacing-xl);
	padding-bottom: var(--spacing-xxl);
}

.manifesto-section {
	margin-bottom: var(--spacing-xl);
}

.manifesto-section p {
	font-size: 1.15rem;
	color: var(--color-text-secondary);
}

.timeline {
	margin-top: var(--spacing-lg);
	border-left: 2px solid var(--color-border);
	padding-left: 1.5rem;
}

.timeline-item {
	position: relative;
	margin-bottom: var(--spacing-lg);
}

.timeline-marker {
	position: absolute;
	left: -1.5rem;
	top: 5px;
	width: 12px;
	height: 12px;
	background: var(--color-bg-primary);
	border: 2px solid var(--color-accent-gold);
	border-radius: 50%;
	transform: translateX(-50%);
}

.timeline-content h3 {
	margin-bottom: 0.25rem;
	font-size: 1.25rem;
}

.timeline-content h4 {
	color: var(--color-accent-cyan);
	font-size: 0.95rem;
	margin-bottom: 0.75rem;
	font-weight: 600;
}

.timeline-content ul {
	padding-left: 1.25rem;
	color: var(--color-text-secondary);
	font-size: 0.95rem;
}

.timeline-content li {
	margin-bottom: 0.5rem;
}

.rounded-image {
	border-radius: var(--radius-lg);
	border: 1px solid var(--color-border);
}

.mb-4 { margin-bottom: 2rem; }
.mt-5 { margin-top: 3rem; }

.edu-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-md);
}

.edu-card {
	background: var(--color-surface);
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
}

.edu-card h3 {
	font-size: 1.1rem;
	margin-bottom: 0.5rem;
}

.edu-card p {
	font-size: 0.9rem;
	color: var(--color-text-secondary);
}

.stack-category {
	margin-bottom: 1.5rem;
}

.stack-category h4 {
	font-size: 1rem;
	color: var(--color-text-secondary);
	border-bottom: 1px solid var(--color-border);
	padding-bottom: 0.5rem;
	margin-bottom: 1rem;
}

.badges {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.badge {
	background: var(--color-bg-secondary);
	border: 1px solid var(--color-border);
	padding: 0.25rem 0.75rem;
	border-radius: 30px;
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--color-text-primary);
}

/* ==========================================================================
   ENSAIOS (A Locadora)
   ========================================================================== */
.ensaios-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: var(--spacing-lg);
	padding-bottom: var(--spacing-xxl);
}

.ensaio-card a {
	display: block;
	color: inherit;
}

.ensaio-image {
	aspect-ratio: 4/3;
	border-radius: var(--radius-lg);
	overflow: hidden;
	margin-bottom: 1rem;
	border: 1px solid var(--color-border);
}

.ensaio-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition-smooth);
}

.ensaio-card:hover .ensaio-image img {
	transform: scale(1.05);
}

.ensaio-meta {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 0.5rem;
	font-size: 0.8rem;
}

.ensaio-cat {
	color: var(--color-accent-cyan);
	font-weight: 700;
	text-transform: uppercase;
}

.reading-time {
	color: var(--color-text-secondary);
}

.ensaio-title {
	font-size: 1.25rem;
}

.editorial-placeholder {
	background: linear-gradient(135deg, var(--color-surface), var(--color-border));
}

/* ==========================================================================
   SINGLE VIEWS
   ========================================================================== */
.single-header {
	text-align: center;
	max-width: 800px;
	margin: 0 auto var(--spacing-xl) auto;
	padding-top: calc(100px + var(--spacing-lg));
}

.case-category-label {
	display: inline-block;
	background: rgba(245, 158, 11, 0.1);
	color: var(--color-accent-gold);
	padding: 0.25rem 1rem;
	border-radius: 30px;
	font-weight: 700;
	font-size: 0.85rem;
	margin-bottom: 1rem;
}

.single-title {
	font-size: 3rem;
}

.single-hero-image {
	margin-bottom: var(--spacing-xl);
	border-radius: var(--radius-lg);
	overflow: hidden;
	border: 1px solid var(--color-border);
}

.case-study-content {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--spacing-xl);
	margin-bottom: var(--spacing-xl);
}

.case-main-body, .editorial-content {
	font-size: 1.1rem;
	color: var(--color-text-secondary);
}

.case-main-body h2, .editorial-content h2 {
	color: var(--color-text-primary);
	margin-top: 2rem;
}

.meta-block {
	background: var(--color-surface);
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
	margin-bottom: 1rem;
}

.meta-block h3 {
	font-size: 1.1rem;
	margin-bottom: 0.5rem;
	color: var(--color-text-primary);
}

.meta-block p {
	color: var(--color-text-secondary);
	font-size: 0.95rem;
}

.ensaio-meta-top {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1rem;
	font-size: 0.9rem;
}

.single-ensaio-container .ensaio-hero-image {
	max-width: 900px;
	margin: 0 auto var(--spacing-xl) auto;
}

.editorial-content {
	max-width: 760px;
	margin: 0 auto var(--spacing-xxl) auto;
}

/* ==========================================================================
   CONTATO
   ========================================================================== */
.contato-grid {
	display: grid;
	grid-template-columns: 3fr 2fr;
	gap: var(--spacing-xl);
	padding-bottom: var(--spacing-xxl);
}

.wes-form {
	background: var(--color-surface);
	padding: var(--spacing-lg);
	border-radius: var(--radius-lg);
	border: 1px solid var(--color-border);
}

.form-group {
	margin-bottom: 1.5rem;
}

.form-group label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
	width: 100%;
	padding: 0.75rem 1rem;
	background: var(--color-bg-primary);
	border: 1px solid var(--color-border);
	color: var(--color-text-primary);
	border-radius: var(--radius-md);
	font-family: var(--font-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--color-accent-gold);
}

.form-response {
	margin-top: 1rem;
	font-weight: 600;
}

.form-response.success { color: #10B981; }
.form-response.error { color: #EF4444; }

.contact-links {
	list-style: none;
}

.contact-links li {
	margin-bottom: 1rem;
	display: flex;
	align-items: center;
	gap: 1rem;
}

.contact-links .icon {
	font-size: 1.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
	background: var(--color-bg-secondary);
	padding: var(--spacing-xl) 0 var(--spacing-md) 0;
	border-top: 1px solid var(--color-border);
}

.footer-grid {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr;
	gap: var(--spacing-lg);
	margin-bottom: var(--spacing-lg);
}

.footer-brand h2 {
	font-size: 1.5rem;
}

.footer-brand p {
	color: var(--color-text-secondary);
}

.footer-links h3, .footer-social h3 {
	font-size: 1.1rem;
}

.site-footer ul {
	list-style: none;
}

.site-footer ul li {
	margin-bottom: 0.5rem;
}

.site-footer a {
	color: var(--color-text-secondary);
}

.site-footer a:hover {
	color: var(--color-text-primary);
}

.site-info {
	border-top: 1px solid var(--color-border);
	padding-top: var(--spacing-md);
	text-align: center;
	color: var(--color-text-secondary);
	font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE (Mobile First - ajustado via max-width)
   ========================================================================== */
@media (max-width: 992px) {
	.hero-inner { grid-template-columns: 1fr; text-align: center; }
	.hero-actions { justify-content: center; }
	.hero-title { font-size: 2.8rem; }
	.hero-subtitle { margin: 0 auto var(--spacing-lg) auto; }
	
	.sobre-grid, .case-study-content, .contato-grid {
		grid-template-columns: 1fr;
	}
	
	.pillars-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 768px) {
	.menu-toggle { display: block; z-index: 200; }
	.main-navigation ul {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		width: 100%;
		background: var(--color-surface);
		flex-direction: column;
		padding: var(--spacing-lg) 0;
		text-align: center;
		border-bottom: 1px solid var(--color-border);
	}
	.main-navigation ul.toggled { display: flex; }
	
	.footer-grid { grid-template-columns: 1fr; }
}