:root {
  --primary-blue: #1e40af;
  --secondary-blue: #3b82f6;
  --dark-blue: #1e3a8a;
  --light-blue: #93c5fd;
  --white: #ffffff;
  --gray: #6b7280;
  --dark: #1f2937;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--white);
}

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

/* Header Styles */
header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-menu li a {
  color: var(--dark);
  text-decoration: none;
  padding: 0.5rem 1rem;
  margin: 0 0.5rem;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu li a:hover {
  color: var(--primary-blue);
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--dark);
  margin: 5px 0;
  transition: all 0.3s;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
  color: var(--white);
  padding-top: 80px;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.highlight {
  color: var(--light-blue);
}

.hero h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.hero p {
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
}

.button-primary, .button-secondary {
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
}

.button-primary {
  background-color: var(--light-blue);
  color: var(--dark-blue);
}

.button-primary:hover {
  background-color: var(--white);
  transform: translateY(-3px);
}

.button-secondary {
  border: 2px solid var(--light-blue);
  color: var(--light-blue);
}

.button-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

/* About Section */
.about {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--primary-blue);
}

.divider {
  width: 80px;
  height: 4px;
  background-color: var(--light-blue);
  margin: 1rem auto;
}

.about-content {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.about-text {
  flex: 1;
}

.about-text p {
  margin-bottom: 1rem;
}

.about-skills {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-tag {
  background-color: var(--light-blue);
  color: var(--primary-blue);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Skills Section */
.skills {
  padding: 5rem 0;
  background-color: #f8fafc;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.skill-category {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skill-category h3 {
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
}

.skill-category i {
  color: var(--primary-blue);
  margin-right: 0.5rem;
}

/* Projects Section */
.projects {
  padding: 5rem 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-image {
  height: 200px;
  background-color: var(--light-blue);
}

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.project-link {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
}

.project-link:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  background-color: var(--dark-blue);
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.social-links a {
  color: var(--white);
  font-size: 1.5rem;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--light-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    transition: left 0.3s;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero h2 {
    font-size: 1.2rem;
  }

  .about-content {
    flex-direction: column;
  }
}

/* Animation for hamburger menu */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Seção de Contato Melhorada */
.contact {
  padding: 5rem 0;
  background-color: #f8fafc;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid rgba(59, 130, 246, 0.1);
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
}

.contact-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--light-blue), var(--secondary-blue));
  color: white;
  border-radius: 50%;
  font-size: 1.8rem;
}

.contact-card h3 {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.contact-card p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background-color: var(--primary-blue);
  color: white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  margin: 0 auto;
}

.contact-btn:hover {
  background-color: var(--dark-blue);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

/* Modal de Contato (opcional) */
.contact-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  position: relative;
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray);
}

/* Responsivo */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-card {
    padding: 1.5rem;
  }
}