:root {
  --primary: #2563eb;
  --secondary: #1e40af;
  --dark: #1e293b;
  --light: #f8fafc;
  --gray: #94a3b8;
  --accent: #f97316;
}

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

body {
  background-color: #f1f5f9;
  color: var(--dark);
  line-height: 1.6;
}

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

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

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary);
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-text h1 span {
  color: var(--primary);
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.profile-img {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(46, 125, 50, 0.3);
}

.profile-img img {
  width: 95%;
  height: 95%;
  border-radius: 50%;
  object-fit: cover;
}

.btn {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--primary);
}

.btn:hover {
  background-color: transparent;
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  margin-left: 1rem;
}

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

/* Section Styles */
section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent);
  border-radius: 2px;
}

/* About Section */
.about-content {
  display: flex;
  align-items: flex-start;
  gap: 4rem;
}

.about-text {
  flex: 1;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: #475569;
}

.about-skills {
  flex: 1;
}

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

.skill-card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.skill-card:hover {
  transform: translateY(-5px);
}

.skill-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.skill-card h4 {
  margin-bottom: 0.5rem;
}

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

.project-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

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

.project-img {
  height: 200px;
  background-color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  margin-bottom: 0.5rem;
}

.project-content p {
  color: #64748b;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  background-color: #dbeafe;
  color: var(--primary);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Experience Section */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: "";
  position: absolute;
  width: 4px;
  background-color: #cbd5e1;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
}

.timeline-item {
  padding: 1.5rem 2.5rem;
  position: relative;
  width: 50%;
  box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.timeline-content::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  background: white;
}

.timeline-item:nth-child(even) .timeline-content::after {
  left: -10px;
  right: auto;
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: var(--primary);
  border: 4px solid white;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.timeline-item:nth-child(odd)::after {
  right: -10px;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

.timeline-date {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Certificates Section */
.certificates-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.certificate-card {
  background: white;
  width: 300px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.certificate-card:hover {
  transform: translateY(-5px);
}

.certificate-img {
  height: 180px;
  background-color: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 3rem;
}

.certificate-content {
  padding: 1.5rem;
}

.certificate-content h3 {
  margin-bottom: 0.5rem;
}

.certificate-content p {
  color: #64748b;
  margin-bottom: 1rem;
}

/* Contact Section */
.contact {
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  color: white;
}

.contact .section-title h2 {
  color: white;
}

.contact .section-title h2::after {
  background-color: var(--accent);
}

.contact-container {
  text-align: center;
  display: flex;
  gap: 3rem;
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-details {
  margin-bottom: 2rem;
}

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

.contact-item i {
  font-size: 1.5rem;
  margin-right: 1rem;
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.5rem;
  transition: all 0.3s;
}

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

.contact-form {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  backdrop-filter: blur(10px);
}

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

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

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

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

.btn-white {
  background: white;
  color: var(--primary);
  border: none;
}

.btn-white:hover {
  background: var(--accent);
  color: white;
}

h2 {
  margin-bottom: 0.5em;
  font-size: 2rem;
}

.titulo-principal {
  font-weight: bold;
  font-size: 1.2rem;
  margin-bottom: 0.2em;
}

.subtitulo {
  color: #666;
  font-size: 1rem;
  margin-bottom: 0.1em;
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.contact-info {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-links {
  margin-top: 15px;
}

.social-link {
  margin: 0 10px;
  font-size: 1.5rem;
}

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 80px;
  height: 80px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  z-index: 999;
  transition: transform 0.3s ease, background-color 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #128c7e;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
  }
  .hero-buttons a {
    width: 20rem;
  }

  .hero-text p {
    margin: 0 auto 2rem;
  }

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

  .contact-container {
    flex-direction: column;
  }

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::after {
    left: 21px;
  }

  .timeline-content::after {
    left: -10px;
    right: auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: gray;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    gap: 1.5rem;
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .hero-image {
    margin-top: 8rem;
  }

  .profile-img {
    width: 80px;
    height: 80px;
  }

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

  .skills-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  .hero-image {
    margin-top: 12rem;
  }

  .profile-img {
    width: 50px;
    height: 50px;
  }

  .profile-img img {
    width: 95%;
    height: 95%;
    border-radius: 50%;
    object-fit: cover;
  }

  .hero-buttons {
    display: none;
  }
}