:root {
  --dark-bg: #121212;
  --darker-bg: #0a0a0a;
  --card-bg: #1e1e1e;
  --text: #e0e0e0;
  --text-light: #b0b0b0;
  --accent: #4db6ac;
  --accent-dark: #3a8a83;
  --transition: all 0.3s ease;
}

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

body {
  background-color: var(--dark-bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header Styles */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.foto-perfil {
  width: 340px;
  height: 380px;
  border-radius: 15px;
  object-fit: cover;
  border: 5px solid var(--accent);
  box-shadow: 0 3px 10px var(--accent);
  transition: all 0.3s ease;
}

.foto-perfil:hover {
  border: 5px solid var(--accent-dark);
  box-shadow: 0 3px 10px var(--accent-dark);
  transform: translateY(-3px);
}

nav a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--accent);
  background: rgba(77, 182, 172, 0.1);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  background: linear-gradient(to bottom, var(--darker-bg), var(--dark-bg));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 20% 30%,
    rgba(77, 182, 172, 0.1),
    transparent 70%
  );
  z-index: -1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(to right, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInDown 1s ease;
}

.hero h2 {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 2rem;
  color: var(--text-light);
  animation: fadeInUp 1s ease;
  max-width: 800px;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  animation: fadeIn 1.5s ease;
}

.btn {
  padding: 0.8rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--accent);
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(77, 182, 172, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent);
}

.btn-outline:hover {
  background-color: var(--accent);
  color: var(--dark-bg);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(77, 182, 172, 0.3);
}

/* Section Styles */
section {
  padding: 6rem 5%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--accent);
  border-radius: 2px;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.skill {
  background-color: var(--card-bg);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.skill:hover {
  background-color: var(--accent);
  color: var(--dark-bg);
  transform: translateY(-3px);
}

.placeholder-image {
  background: var(--card-bg);
  height: 100%;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 5rem;
}

/* Projects Section */
.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

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

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.project-img {
  height: 220px;
  background-color: var(--accent-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--accent);
}

.project-description {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}

.tech {
  background-color: rgba(77, 182, 172, 0.2);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.8rem;
}

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

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(77, 182, 172, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
}

.contact-text h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.contact-text p,
.contact-text a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.contact-text a:hover {
  color: var(--accent);
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background-color: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  color: var(--text);
  font-size: 1rem;
  transition: var(--transition);
}

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

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

/* Footer */
footer {
  background-color: var(--darker-bg);
  padding: 2rem 5%;
  text-align: center;
}

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

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.2rem;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--accent);
  color: var(--dark-bg);
  transform: translateY(-5px);
}

.copyright {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 992px) {
  .about-content,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .foto-perfil {
    width: 180px;
    height: 220px;
  }

  .projects-container {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .hero h2 {
    font-size: 1.4rem;
  }

  nav ul {
    gap: 1rem;
  }

  nav a {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .foto-perfil {
    width: 140px;
    height: 180px;
  }

  .projects-container {
    grid-template-columns: 1fr;
  }

  nav ul {
    gap: 0.5rem;
  }

  nav a {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
}