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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #2d3748;
  background-color: #fafafa;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
nav {
  padding: 40px 0;
  position: sticky;
  top: 0;
  background-color: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 600;
  font-size: 18px;
  color: #1a202c;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: #718096;
  font-weight: 400;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #2d3748;
}

/* Hero Section */
.hero {
  padding: 80px 0 120px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: 20px;
  color: #718096;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero .description {
  font-size: 16px;
  color: #4a5568;
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

.btn-primary {
  background-color: #2d3748;
  color: white;
}

.btn-primary:hover {
  background-color: #1a202c;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: white;
  color: #2d3748;
  border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
  background-color: #f7fafc;
  transform: translateY(-1px);
}

/* tecnologias  */
.about {
  padding: 60px 0;
  background-color: var(--bg-secondary);
  margin: 0 -20px;
}

.about .container {
  padding: 0 60px;
}

.about h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.about p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.tech-stack {
  margin-top: 40px;
}

.tech-stack h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 32px;
  text-align: center;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background-color: var(--tech-bg);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  min-height: 100px;
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.tech-item:hover::before {
  left: 100%;
}

.tech-icon {
  font-size: 32px;
  margin-bottom: 8px;
  transition: transform 0.3s ease;
}

/* Colores específicos para cada tecnología */
.js-icon { color: #f7df1e; }
.react-icon { color: #61dafb; }
.node-icon { color: #339933; }
.python-icon { color: #3776ab; }
.java-icon { color: #ed8b00; }
.flutter-icon { color: #02569b; }
.astro-icon { color: #ff5d01; }
.supabase-icon { color: #3ecf8e; }
.postgres-icon { color: #336791; }
.bootstrap-icon { color: #7952b3; }
.html-icon { color: #e34f26; }
.css-icon { color: #1572b6; }

.tech-item span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  transition: color 0.3s ease;
}

.tech-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.tech-item:hover .tech-icon {
  transform: scale(1.1);
}

.tech-item:hover span {
  color: var(--text-primary);
}

.tech-item:active {
  transform: translateY(-2px);
}

/* Projects Section */
.projects {
  padding: 80px 0;
}

.projects h2 {
  font-size: 32px;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}

.project {
  margin-bottom: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid #e2e8f0;
}

.project:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.project h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 8px;
}

.project .project-type {
  font-size: 14px;
  color: #718096;
  margin-bottom: 16px;
  font-weight: 500;
}

.project p {
  font-size: 16px;
  color: #4a5568;
  margin-bottom: 20px;
  line-height: 1.7;
}

.project-links {
  display: flex;
  gap: 16px;
}

.project-links a {
  font-size: 14px;
  color: #718096;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.project-links a:hover {
  color: #2d3748;
}

.project-tech {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  background-color: #edf2f7;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  color: #4a5568;
  font-weight: 500;
}

/* Modal */
.project-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background-color: var(--bg-secondary);
  margin: 5% auto;
  padding: 40px;
  width: 90%;
  max-width: 700px;
  border-radius: 12px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 25px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s ease;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-project h3 {
  font-size: 24px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-project .project-type {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 14px;
}

.modal-project p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.modal-features {
  margin: 24px 0;
}

.modal-features h4 {
  color: var(--text-primary);
  margin-bottom: 12px;
  font-size: 16px;
}

.modal-features ul {
  list-style: none;
  padding-left: 0;
}

.modal-features li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.modal-features li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.modal-tech {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Footer */
/* Footer */
footer {
  padding: 40px 0 20px;
  border-top: 1px solid var(--border-color);
  margin-top: 50px;
  background-color: var(--bg-secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.footer-left h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.footer-left p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-info span {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-info a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-right h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  padding: 4px 0;
}

.social-links a:hover {
  color: var(--accent-color);
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

/* variables del dark mode */
:root {
  --bg-primary: #fafafa;
  --bg-secondary: white;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  --nav-bg: rgba(250, 250, 250, 0.9);
  --tech-bg: #f7fafc;
  --tech-badge-bg: #edf2f7;
}

[data-theme="dark"] {
  --bg-primary: #1a202c;
  --bg-secondary: #2d3748;
  --text-primary: #f7fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #a0aec0;
  --border-color: #4a5568;
  --nav-bg: rgba(26, 32, 44, 0.9);
  --tech-bg: #2d3748;
  --tech-badge-bg: #4a5568;
}

/* actualizar colores existentes */
body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
}

nav {
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
}

.logo,
.hero h1,
.about h2,
.projects h2,
.project h3,
.footer-text h3 {
  color: var(--text-primary);
}

.hero .subtitle,
.nav-links a,
.project-links a,
.social-links a {
  color: var(--text-muted);
}

.about {
  background-color: var(--bg-secondary);
}

.tech-item {
  background-color: var(--tech-bg);
  color: var(--text-secondary);
}

.tech-badge {
  background-color: var(--tech-badge-bg);
  color: var(--text-secondary);
}

.project {
  border-bottom: 1px solid var(--border-color);
}

footer {
  border-top: 1px solid var(--border-color);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* dark mode toggle */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-size: 18px;
}

.theme-toggle:hover {
  color: var(--text-primary);
  background-color: var(--tech-bg);
}