* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0f172a;
  --gray: #64748b;
  --light: #f8fafc;
  --accent: #7c3aed;
  --success: #10b981;
}

body {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  background-attachment: fixed;
  color: var(--light);
  line-height: 1.6;
}

/* Header */
header {
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
  align-items: center;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}

nav ul li a:hover {
  color: var(--primary);
}

.lang-switcher {
  background: transparent;
  border: 1px solid var(--gray);
  border-radius: 4px;
  color: white;
  padding: 0.3rem;
  margin-left: 1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.lang-switcher:focus {
  outline: none;
  border-color: var(--primary);
}

.lang-switcher:hover {
  background: rgba(37, 99, 235, 0.15);
}

.mobile-toggle {
  display: none;
  cursor: pointer;
}

/* Main sections */
section {
  padding: 8rem 10% 4rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: opacity 0.5s;
}

/* Home */
.home-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
}

.home-content h1 {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.highlight {
  color: var(--primary);
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 15px;
  background-color: rgba(37, 99, 235, 0.2);
  z-index: -1;
}

.home-content p {
  font-size: 1.4rem;
  color: #cbd5e1;
  margin-bottom: 2.5rem;
  max-width: 700px;
}

.tech-icons {
  display: flex;
  gap: 1.5rem;
  margin: 2rem 0;
}

.tech-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(30, 41, 59, 0.8);
  padding: 0.7rem;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
}

.tech-icon:hover {
  transform: translateY(-5px);
}

.tech-icon.react {
  background: linear-gradient(to right, #61dafb, #087ea4);
}
.tech-icon.js {
  background: linear-gradient(to right, #f7df1e, #d1bc1a);
  color: #333;
}
.tech-icon.csharp {
  background: linear-gradient(to right, #9b4fc7, #68217a);
}
.tech-icon.azure {
  background: linear-gradient(to right, #008ad7, #0078d4);
}
.tech-icon.sql {
  background: linear-gradient(to right, #a91b22, #e1262a);
}
.tech-icon.aws {
  background: linear-gradient(to right, #ffb84d, #ff9900);
}
.tech-icon.java {
  background: linear-gradient(to right, #007396, #ea2d2e);
}
.tech-icon.mariadb {
  background: linear-gradient(to right, #003545, #008cba);
}
.tech-icon.docker {
  background: linear-gradient(to right, #0db7ed, #2496ed);
}

.tagline {
  background: rgba(37, 99, 235, 0.15);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.tagline i {
  color: var(--primary);
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2.2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  font-size: 1.1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: rgba(37, 99, 235, 0.1);
  transform: translateY(-3px);
}

/* Sobre */
.about-section {
  background-color: rgba(15, 23, 42, 0.7);
  border-radius: 1rem;
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-image {
  position: relative;
  z-index: 1;
}

.about-image::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: -7px;
  left: -3px;
  border-radius: 1rem;
  border: 3px solid var(--primary);
  z-index: -1;
}

.about-image img {
  width: 100%;
  border-radius: 1rem;
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
}

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.about-content p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #cbd5e1;
}

.skills {
  margin-top: 2.5rem;
}

.skill-title {
  margin-bottom: 1.5rem;
}

.skill-bars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-bar {
  display: flex;
  flex-direction: column;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.bar {
  width: 100%;
  height: 8px;
  background-color: rgba(100, 116, 139, 0.3);
  border-radius: 4px;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
}

/* Portfolio */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 5rem;
}

.section-title span {
  color: var(--primary);
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 3rem;
  margin-top: 2rem;
}

.project-card {
  background-color: rgba(15, 23, 42, 0.8);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
}

.project-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 2rem;
  text-align: center;
}

.project-content {
  padding: 1.8rem;
}

.project-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

.project-content p {
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

.tech-used {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tech-used span {
  background-color: rgba(37, 99, 235, 0.15);
  color: #93c5fd;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
}

.project-links {
  display: flex;
  gap: 1rem;
}

/* Contato */
.contact {
  flex-direction: row;
  gap: 5rem;
}

.contact-info {
  flex: 1;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  margin-top: 15rem;
}

.contact-info p {
  color: #cbd5e1;
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}

.contact-text h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

.contact-text p {
  color: #94a3b8;
  margin-bottom: 0;
}

.contact-form {
  flex: 1;
  background-color: rgba(15, 23, 42, 0.7);
  border-radius: 1rem;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-form h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: none;
  background-color: rgba(15, 23, 42, 0.5);
  border-radius: 0.5rem;
  color: white;
  font-size: 1rem;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

textarea.form-control {
  height: 150px;
  resize: vertical;
}

.btn-form {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s;
  font-weight: 600;
}

.btn-form:hover {
  background-color: var(--primary-dark);
}

/* Footer */
footer {
  background-color: rgba(15, 23, 42, 0.95);
  padding: 3.5rem 5% 1.5rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: rgba(37, 99, 235, 0.15);
  color: #93c5fd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s;
  text-decoration: none;
}

.social-link:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-5px);
}

.footer-text {
  color: #94a3b8;
  margin: 1rem 0;
  max-width: 700px;
}

.copyright {
  margin-top: 2.5rem;
  color: #64748b;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(100, 116, 139, 0.3);
  width: 100%;
}

.lang-indicator {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.8);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  z-index: 10;
  border: 1px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Media Queries */
@media (max-width: 992px) {
  .about-section {
    grid-template-columns: 1fr;
  }

  .home-content h1 {
    font-size: 3.5rem;
  }

  .project-card {
    max-width: 100%;
  }

  .contact {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .mobile-toggle {
    display: block;
    font-size: 1.8rem;
  }

  .mobile-menu.active {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.98);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.4s;
    z-index: 100;
  }

  .tech-icons {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  section {
    padding: 6rem 5% 3rem;
  }

  .home-content h1 {
    font-size: 2.7rem;
  }

  .about-section {
    padding: 2rem;
  }

  .skill-bars {
    grid-template-columns: 1fr;
  }
}