/* Base Styles */
:root {
	--primary-color: #3a86ff;
	--secondary-color: #8338ec;
	--accent-color: #ff006e;
	--background-color: #ffffff;
	--dark-background: #0f172a;
	--text-color: #1e293b;
	--text-light: #64748b;
	--text-dark: #0f172a;
	--card-bg: #f8fafc;
	--border-color: #e2e8f0;
	--success-color: #10b981;
	--warning-color: #f59e0b;
	--error-color: #ef4444;
	--header-height: 70px;
	--transition-speed: 0.3s;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	--border-radius: 8px;
	--container-width: 1200px;
  }
  
  /* Dark Mode Variables */
  .dark-mode {
	--background-color: #0f172a;
	--dark-background: #1e293b;
	--text-color: #f8fafc;
	--text-light: #cbd5e1;
	--text-dark: #f1f5f9;
	--card-bg: #1e293b;
	--border-color: #334155;
  }
  
  * {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
  }
  
  html {
	scroll-behavior: smooth;
  }
  
  body {
	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
	  "Helvetica Neue", sans-serif;
	background-color: var(--background-color);
	color: var(--text-color);
	line-height: 1.6;
	transition: background-color var(--transition-speed), color var(--transition-speed);
	overflow-x: hidden;
  }
  
  .container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 20px;
  }
  
  a {
	text-decoration: none;
	color: var(--primary-color);
	transition: color var(--transition-speed);
  }
  
  ul {
	list-style: none;
  }
  
  img {
	max-width: 100%;
	height: auto;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
	margin-bottom: 1rem;
	line-height: 1.2;
	font-weight: 700;
	color: var(--text-dark);
  }
  
  h1 {
	font-size: 2.5rem;
  }
  
  h2 {
	font-size: 2rem;
  }
  
  h3 {
	font-size: 1.5rem;
  }
  
  p {
	margin-bottom: 1rem;
	color: var(--text-light);
  }
  
  .btn {
	display: inline-block;
	padding: 0.75rem 1.5rem;
	border-radius: var(--border-radius);
	font-weight: 600;
	text-align: center;
	cursor: pointer;
	transition: all var(--transition-speed);
	border: none;
	font-size: 0.9rem;
  }
  
  .btn.primary {
	background-color: var(--primary-color);
	color: white;
  }
  
  .btn.primary:hover {
	background-color: var(--secondary-color);
	transform: translateY(-2px);
  }
  
  .btn.secondary {
	background-color: transparent;
	color: var(--text-color);
	border: 2px solid var(--primary-color);
  }
  
  .btn.secondary:hover {
	background-color: var(--primary-color);
	color: white;
	transform: translateY(-2px);
  }
  
  /* Header Styles */
  header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: var(--header-height);
	background-color: var(--background-color);
	box-shadow: var(--shadow);
	z-index: 1000;
	transition: background-color var(--transition-speed);
  }
  
  header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 100%;
  }
  
  .logo a {
	font-size: 1.8rem;
	font-weight: 800;
	color: var(--primary-color);
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
  }
  
  nav ul {
	display: flex;
	gap: 2rem;
  }
  
  nav a {
	color: var(--text-color);
	font-weight: 500;
	position: relative;
  }
  
  nav a:hover,
  nav a.active {
	color: var(--primary-color);
  }
  
  nav a::after {
	content: "";
	position: absolute;
	bottom: -5px;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--primary-color);
	transition: width var(--transition-speed);
  }
  
  nav a:hover::after,
  nav a.active::after {
	width: 100%;
  }
  
  .theme-toggle,
  .mobile-menu-toggle {
	cursor: pointer;
	font-size: 1.2rem;
	color: var(--text-color);
	transition: color var(--transition-speed);
  }
  
  .theme-toggle:hover,
  .mobile-menu-toggle:hover {
	color: var(--primary-color);
  }
  
  .mobile-menu-toggle {
	display: none;
  }
  
  /* Main Content Styles */
  main {
	padding-top: var(--header-height);
	min-height: calc(100vh - var(--header-height));
  }
  
  .page {
	display: none;
	padding: 3rem 0;
	animation: fadeIn 0.5s ease-in-out;
  }
  
  .page.active {
	display: block;
  }
  
  @keyframes fadeIn {
	from {
	  opacity: 0;
	  transform: translateY(20px);
	}
	to {
	  opacity: 1;
	  transform: translateY(0);
	}
  }
  
  /* Home Page Styles */
  .hero {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2rem;
	align-items: center;
	padding: 3rem 0;
  }
  
  .hero-content h1 {
	font-size: 3.5rem;
	margin-bottom: 0.5rem;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
  }
  
  .hero-content h2 {
	font-size: 1.8rem;
	margin-bottom: 1rem;
	color: var(--text-light);
  }
  
  .hero-content p {
	font-size: 1.1rem;
	margin-bottom: 2rem;
  }
  
  .cta-buttons {
	display: flex;
	gap: 1rem;
  }
  
  .hero-image {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
  }
  
  .profile-image {
	width: 300px;
	height: 300px;
	border-radius: 50%;
	background-image: url("/images/imgPerfil.png");
	background-size: cover;
	background-position: center;
	box-shadow: var(--shadow-lg);
	border: 4px solid var(--primary-color);
  }
  
  .tech-icons {
	position: absolute;
	width: 100%;
	display: flex;
	justify-content: space-around;
	bottom: -20px;
	font-size: 2rem;
  }
  
  .tech-icons i {
	padding: 0.5rem;
	background-color: var(--card-bg);
	border-radius: 50%;
	color: var(--primary-color);
	box-shadow: var(--shadow);
	transition: transform var(--transition-speed);
  }
  
  .tech-icons i:hover {
	transform: translateY(-5px);
	color: var(--secondary-color);
  }
  
  .about-section,
  .projects-section {
	padding: 3rem 0;
  }
  
  .about-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2rem;
	margin-top: 1.5rem;
  }
  
  .about-text p {
	margin-bottom: 1rem;
  }
  
  .skill-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 1rem;
  }
  
  .skill-tags span {
	background-color: var(--card-bg);
	color: var(--primary-color);
	padding: 0.5rem 1rem;
	border-radius: var(--border-radius);
	font-size: 0.9rem;
	font-weight: 500;
	box-shadow: var(--shadow-sm);
	transition: transform var(--transition-speed);
  }
  
  .skill-tags span:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow);
  }
  
  .project-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 2rem;
	margin-top: 1.5rem;
  }
  
  .project-card {
	background-color: var(--card-bg);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  }
  
  .project-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-lg);
  }

  .project-card .btn.secondary {
	display: block;            /* torna-o block para aceitar margin auto */
	width: fit-content;        /* largura exata do conteúdo */
	margin: 1rem auto 1rem;       /* 1rem em cima e auto nas laterais para centralizar */
  }
  
  .project-image {
	height: 180px;
	background-size: cover;
	background-position: center;
  }
  
  .project-card h3 {
	padding: 1rem 1rem 0.5rem;
  }
  
  .project-card p {
	padding: 0 1rem 1rem;
	font-size: 0.9rem;
  }
  
  .project-tags {
	display: flex;              /* faz as tags virarem flex‐items */
	justify-content: center;    /* centraliza horizontalmente */
	flex-wrap: wrap;            /* quebra linha se não couber tudo */
	gap: 0.5rem;                /* espaço opcional entre as tags */
	margin-top: 1rem;           /* só pra separar um pouco do resto */
	margin-bottom: 0.5rem;
  }
  
  .project-tags span {
	background-color: var(--background-color);
	color: var(--text-light);
	padding: 0.25rem 0.75rem;
	border-radius: 20px;
	font-size: 0.8rem;
  }
  
  /* Videos Page Styles */
  .section-intro {
	max-width: 800px;
	margin: 0 auto 2rem;
	text-align: center;
	font-size: 1.1rem;
  }
  
  .video-filter {
	display: flex;
	justify-content: center;
	gap: 1rem;
	margin-bottom: 2rem;
	flex-wrap: wrap;
  }
  
  .filter-btn {
	background-color: var(--card-bg);
	color: var(--text-color);
	border: none;
	padding: 0.5rem 1.5rem;
	border-radius: var(--border-radius);
	cursor: pointer;
	font-weight: 500;
	transition: all var(--transition-speed);
  }
  
  .filter-btn:hover,
  .filter-btn.active {
	background-color: var(--primary-color);
	color: white;
  }
  
  .video-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 2rem;
  }
  
  .video-card {
	background-color: var(--card-bg);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: transform var(--transition-speed);
  }
  
  .video-card:hover {
	transform: translateY(-5px);
  }
  
  .video-thumbnail {
	position: relative;
	cursor: pointer;
	background: #000;
	overflow: hidden;
  }
  
  .video-thumbnail img {
	display: block;
	width: 100%;
	height: auto;
  }
  
  .video-card:hover .video-thumbnail img {
	transform: scale(1.05);
  }
  
  .play-button {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 60px;
	height: 60px;
	background: rgba(0,0,0,0.6);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	font-size: 1.5rem;
	transition: background 0.3s;
  }


  .play-button:hover {
	background: rgba(0,0,0,0.8);
  }
  
  .video-card:hover .play-button {
	opacity: 1;
  }
  
  .video-duration {
	position: absolute;
	bottom: 10px;
	right: 10px;
	background-color: rgba(0, 0, 0, 0.7);
	color: white;
	padding: 0.2rem 0.5rem;
	border-radius: 4px;
	font-size: 0.8rem;
  }
  
  .video-info {
	padding: 1rem;
  }
  
  .video-info h3 {
	margin-bottom: 0.5rem;
	font-size: 1.2rem;
  }
  
  .video-info p {
	font-size: 0.9rem;
	margin-bottom: 0.5rem;
  }
  
  .video-meta {
	display: flex;
	justify-content: space-between;
	font-size: 0.8rem;
	color: var(--text-light);
  }
  
  .video-meta i {
	margin-right: 0.3rem;
  }
  
  /* Courses Page Styles */
  .courses-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
	gap: 2rem;
  }
  
  .course-card {
	background-color: var(--card-bg);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: transform var(--transition-speed);
  }
  
  .course-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-lg);
  }
  
  .course-image {
	position: relative;
  }
  
  .course-image img {
	width: 100%;
  }
  
  .course-level {
	position: absolute;
	top: 10px;
	right: 10px;
	background-color: var(--primary-color);
	color: white;
	padding: 0.3rem 0.8rem;
	border-radius: 20px;
	font-size: 0.8rem;
	font-weight: 500;
  }
  
  .course-content {
	padding: 1.5rem;
  }
  
  .course-content h3 {
	margin-bottom: 0.5rem;
  }
  
  .course-content p {
	margin-bottom: 1rem;
	font-size: 0.9rem;
  }
  
  .course-details {
	display: flex;
	justify-content: space-between;
	margin-bottom: 1rem;
	flex-wrap: wrap;
  }
  
  .course-stat {
	display: flex;
	align-items: center;
	font-size: 0.8rem;
	color: var(--text-light);
	margin-bottom: 0.5rem;
  }
  
  .course-stat i {
	margin-right: 0.3rem;
	color: var(--primary-color);
  }
  
  .course-footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--border-color);
  }
  
  .course-rating {
	display: flex;
	align-items: center;
	font-size: 0.9rem;
  }
  
  .course-rating i {
	color: #f59e0b;
	margin-right: 0.2rem;
  }
  
  .course-rating span {
	margin-left: 0.5rem;
	color: var(--text-light);
	font-size: 0.8rem;
  }
  
  .course-price {
	font-weight: 700;
	font-size: 1.2rem;
	color: var(--primary-color);
  }
  
  .course-btn {
	width: 100%;
  }
  
  /* Contact Page Styles */
  .contact-container {
	display: grid;
	grid-template-columns: 1fr 2fr;
	gap: 3rem;
	margin-top: 2rem;
  }
  
  .contact-info {
	background-color: var(--card-bg);
	padding: 2rem;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
  }
  
  .contact-method {
	display: flex;
	align-items: flex-start;
	margin-bottom: 1.5rem;
  }
  
  .contact-method i {
	font-size: 1.5rem;
	color: var(--primary-color);
	margin-right: 1rem;
	margin-top: 0.2rem;
  }
  
  .contact-method h3 {
	margin-bottom: 0.3rem;
	font-size: 1.1rem;
  }
  
  .contact-method p {
	margin-bottom: 0;
	font-size: 0.9rem;
  }
  
  .social-links {
	margin-top: 2rem;
  }
  
  .social-icons {
	display: flex;
	gap: 1rem;
	margin-top: 0.5rem;
  }
  
  .social-icon {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 40px;
	height: 40px;
	background-color: var(--background-color);
	color: var(--primary-color);
	border-radius: 50%;
	font-size: 1.2rem;
	transition: all var(--transition-speed);
  }
  
  .social-icon:hover {
	background-color: var(--primary-color);
	color: white;
	transform: translateY(-3px);
  }
  
  .contact-form {
	background-color: var(--card-bg);
	padding: 2rem;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
  }
  
  .form-group {
	margin-bottom: 1.5rem;
  }
  
  .form-group label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 500;
  }
  
  .form-group input,
  .form-group textarea {
	width: 100%;
	padding: 0.75rem;
	border: 1px solid var(--border-color);
	border-radius: var(--border-radius);
	background-color: var(--background-color);
	color: var(--text-color);
	font-family: inherit;
	transition: border-color var(--transition-speed);
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
	outline: none;
	border-color: var(--primary-color);
  }
  
  /* Footer Styles */
  footer {
	background-color: var(--dark-background);
	color: white;
	padding: 0.5rem 0 0.5rem;
  }
  
  .footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 0.5rem;
	margin-bottom: 0.5rem;
  }
  
  .footer-logo a {
	font-size: 2rem;
	font-weight: 800;
	margin-bottom: 1rem;
	display: inline-block;
  }
  
  .footer-logo p {
	color: var(--text-light);
  }
  
  .footer-links h3,
  .footer-newsletter h3 {
	color: white;
	margin-bottom: 1rem;
	font-size: 1.2rem;
  }
  
  .footer-links ul {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
  }
  
  .footer-links a {
	color: var(--text-light);
	transition: color var(--transition-speed);
  }
  
  .footer-links a:hover {
	color: var(--primary-color);
  }
  
  .newsletter-form {
	display: flex;
	margin-top: 1rem;
  }
  
  .newsletter-form input {
	flex: 1;
	padding: 0.75rem;
	border: none;
	border-radius: var(--border-radius) 0 0 var(--border-radius);
	background-color: rgba(255, 255, 255, 0.1);
	color: white;
  }
  
  .newsletter-form input:focus {
	outline: none;
  }
  
  .newsletter-form button {
	border-radius: 0 var(--border-radius) var(--border-radius) 0;
  }
  
  .footer-bottom {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-top: 1.5rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 0.9rem;
  }
  
  .footer-legal {
	display: flex;
	gap: 1.5rem;
  }
  
  .footer-legal a {
	color: var(--text-light);
  }
  
  .footer-legal a:hover {
	color: var(--primary-color);
  }
  
  /* Responsive Styles */
  @media (max-width: 992px) {
	.hero {
	  grid-template-columns: 1fr;
	  text-align: center;
	}
  
	.hero-content {
	  order: 1;
	}
  
	.hero-image {
	  order: 0;
	  margin-bottom: 2rem;
	}
  
	.cta-buttons {
	  justify-content: center;
	}
  
	.about-content {
	  grid-template-columns: 1fr;
	}
  
	.contact-container {
	  grid-template-columns: 1fr;
	}
  }
  
  @media (max-width: 768px) {
	nav {
	  display: none;
	}
  
	.mobile-menu-toggle {
	  display: block;
	}
  
	.project-cards,
	.video-grid,
	.courses-grid {
	  grid-template-columns: 1fr;
	}
  
	.footer-bottom {
	  flex-direction: column;
	  gap: 1rem;
	  text-align: center;
	}
  
	.footer-legal {
	  justify-content: center;
	}
  }
  
  @media (max-width: 576px) {
	h1 {
	  font-size: 2rem;
	}
  
	h2 {
	  font-size: 1.5rem;
	}
  
	.hero-content h1 {
	  font-size: 2.5rem;
	}
  
	.hero-content h2 {
	  font-size: 1.3rem;
	}
  
	.newsletter-form {
	  flex-direction: column;
	}
  
	.newsletter-form input {
	  border-radius: var(--border-radius);
	  margin-bottom: 0.5rem;
	}
  
	.newsletter-form button {
	  border-radius: var(--border-radius);
	}
  }


  /* Estilos para a página de detalhes do projeto */
.project-detail-header {
	display: flex;
	align-items: center;
	margin-bottom: 2rem;
  }
  
  .back-button {
	display: inline-flex;
	align-items: center;
	margin-right: 2rem;
	color: var(--text-color);
	font-weight: 500;
	transition: color var(--transition-speed);
  }
  
  .back-button i {
	margin-right: 0.5rem;
  }
  
  .back-button:hover {
	color: var(--primary-color);
  }
  
  .project-detail-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 3rem;
	margin-bottom: 3rem;
  }
  
  .project-detail-image {
	display: inline-block;          /* faz o container ajustar ao conteúdo */
	border-radius: var(--border-radius);
	overflow: hidden;
  }
  
  .project-detail-image img {
	display: block;
	max-width: 100%;                /* não ultrapassa o container pai */
	height: auto;                   /* mantém proporção */
	box-shadow: var(--shadow);
  }
  
  .project-detail-info {
	display: flex;
	flex-direction: column;
	gap: 2rem;
  }
  
  .project-description,
  .project-details {
	background-color: var(--card-bg);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
  }
  
  .project-details-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
	margin-top: 1rem;
  }
  
  .detail-item h3 {
	margin-bottom: 0.5rem;
	font-size: 1.1rem;
  }
  
  .detail-item ul {
	list-style: disc;
	padding-left: 1.5rem;
  }
  
  .detail-item ul li {
	margin-bottom: 0.5rem;
	color: var(--text-light);
  }
  
  .project-actions {
	display: flex;
	gap: 1rem;
  }
  
  /* Responsividade para a página de detalhes */
  @media (max-width: 992px) {
	.project-detail-content {
	  grid-template-columns: 1fr;
	}
	
	
	.project-details-grid {
	  grid-template-columns: 1fr;
	}
  }
  
  @media (max-width: 576px) {
	.project-detail-header {
	  flex-direction: column;
	  align-items: flex-start;
	}
	
	.back-button {
	  margin-bottom: 1rem;
	}
	
	.project-actions {
	  flex-direction: column;
	}
  }