:root {
  --color-background: #232323;
  --color-background-light: #2a2a2a;
  --color-primary: #64ffda;
  --color-secondary: #FFEDA3;
  --color-text: #ffffff;
  --color-text-light: #e0e0e0;
  --color-text-lighter: #b0b0b0;
  --color-border: #3a3a3a;
  --border-radius: 6px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-background);
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 70px;
  display: flex;
  align-items: center;
  background-color: var(--color-background);
}

header .container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.logo {
  font-family: "Playfair Display", serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  text-align: center;
  grid-column: 2;
}

/* NAVIGATION - DESKTOP */
nav {
  display: flex;
  justify-content: flex-end;
  grid-column: 3;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-light);
  font-size: 1rem;
  transition: var(--transition);
  padding: 8px 0;
}

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

/* MENU HAMBURGUESA - OCULTO POR DEFECTO */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  padding: 5px;
}

.menu-toggle:hover {
  color: var(--color-primary);
}

/* MAIN LAYOUT */
main {
  padding-bottom: 80px;
  flex: 1;
}

.main-grid {
  margin-top: 70px;
  padding-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  min-height: calc(100vh - 150px);
}

/* PRESENTATION COLUMN */
.presentation-column {
  position: sticky;
  top: 110px;
  height: fit-content;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.presentation-content {
  max-width: 500px;
  text-align: left;
}

.greeting {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  font-weight: 400;
}

.wave {
  display: inline-block;
  animation: wave 2s infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

.name-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.1;
}

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

.subtitle {
  font-size: 1.5rem;
  color: var(--color-text-lighter);
  margin-bottom: 30px;
  font-weight: 400;
}

.description {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* CONTACT ICONS */
.presentation-column .contact {
  display: flex;
  list-style: none;
  gap: 25px;
  margin-bottom: 40px;
  padding: 0;
}

.presentation-column .contact li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.2rem;
}

.presentation-column .contact li a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

/* BUTTONS */
.resumeBtn, .moreProjectsBtn{
  padding: 15px 35px;
  border: none;
  border-radius: var(--border-radius);
  background: var(--color-secondary);
  color: #000;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  max-width: 250px;
}

.moreProjectsBtn a, .resumeBtn a{
    text-decoration: none;
    color: black;
}
.resumeBtn:hover, .moreProjectsBtn:hover{
  transform: translateY(-2px);
  opacity: 0.9;
}

/* CONTENT COLUMN */
.content-column {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

/* SECTIONS WITH ANCHORS */
#skills, #projects {
  scroll-margin-top: 100px;
}

/* SECTION TITLES */
.skills h2, 
.projects-section h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 40px;
  color: var(--color-text);
}

/* SKILLS */
.skills-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  padding: 0;
  margin: 0;
}

.skills-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  background-color: var(--color-background-light);
}

.skills-list li:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.skills-list li i {
  font-size: 1.4rem;
  color: var(--color-primary);
  width: 25px;
  text-align: center;
}

.skills-list li span {
  font-size: 0.95rem;
}

/* PROJECTS */
.project-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.project {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  background-color: var(--color-background-light);
}

.project:hover {
  border-color: var(--color-primary);
}

.name-date {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.name-date h3 {
  font-size: 1.3rem;
  color: var(--color-primary);
  font-weight: 500;
}

.date {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.9rem;
  color: var(--color-text-lighter);
}

.project-technologies ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 10px;
  margin-bottom: 20px;
  padding: 0;
}

.project-technologies li {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: var(--color-primary);
  padding: 5px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  background-color: rgba(100, 255, 218, 0.1);
}

.project-description {
  color: var(--color-text-light);
  margin-bottom: 25px;
  line-height: 1.7;
}

.project-buttons {
  display: flex;
  gap: 15px;
}

.code-btn, .demo-btn {
  padding: 10px 25px;
  border-radius: var(--border-radius);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  flex: 1;
}
.code-btn a{
    text-decoration: none;
    color: var(--color-text);
}
.code-btn:hover {
  background-color: var(--color-primary);
  color: #000;
  border-color: var(--color-primary);
}

.demo-btn:hover {
  background-color: var(--color-text);
  color: #000;
  border-color: var(--color-text);
}

/* FOOTER */
footer {
  padding: 40px 0;
  margin-top: auto;
  background-color: var(--color-background);
}

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

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

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--color-text-light);
  font-size: 1.2rem;
  transition: var(--transition);
  text-decoration: none;
}

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

/* ========== RESPONSIVE DESIGN ========== */

/* TABLETS (1024px and below) */
@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    gap: 60px;
    padding-top: 30px;
  }
  
  .presentation-column {
    position: static;
    text-align: center;
  }
  
  .presentation-content {
    max-width: 100%;
    text-align: center;
  }
  
  .presentation-column .contact {
    justify-content: center;
  }
  
  .resumeBtn {
    margin: 0 auto;
  }
  
  #skills, #projects {
    scroll-margin-top: 80px;
  }
}

/* SMALL TABLETS & LARGE PHONES (768px and below) - MENÚ HAMBURGUESA */
@media (max-width: 768px) {
  header .container {
    grid-template-columns: auto 1fr auto;
    justify-content: space-between;
  }
  
  .logo {
    grid-column: 1;
    text-align: left;
    justify-self: start;
  }
  
  /* Mostrar botón hamburguesa */
  .menu-toggle {
    display: block;
    grid-column: 3;
    justify-self: end;
  }
  
  /* Ocultar navegación por defecto en móvil */
  nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 999;
  }
  
  /* Cuando el menú está abierto */
  nav.mobile-open {
    display: block;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }
  
  .nav-links li {
    width: 100%;
    text-align: center;
  }
  
  .nav-links a {
    display: block;
    padding: 15px;
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
  }
  
  .nav-links a:hover {
    background-color: var(--color-background-light);
  }
  
  .name-title {
    font-size: 2.5rem;
  }
  
  .subtitle {
    font-size: 1.3rem;
  }
  
  .skills h2, 
  .projects-section h2 {
    text-align: center;
  }
  
  .skills-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .project-buttons {
    flex-direction: column;
  }
  
  footer .container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .main-grid {
    margin-top: 100px;
  }
  
  #skills, #projects {
    scroll-margin-top: 60px;
  }
}

/* SMALL PHONES (576px and below) */
@media (max-width: 576px) {
  .name-title {
    font-size: 2.2rem;
  }
  
  .nav-links {
    gap: 10px;
  }
  
  .nav-links a {
    padding: 12px;
    font-size: 0.95rem;
  }
  
  .skills-list {
    grid-template-columns: 1fr;
  }
  
  .project {
    padding: 20px;
  }
  
  .name-date {
    flex-direction: column;
    gap: 10px;
  }
  
  .main-grid {
    margin-top: 120px;
    gap: 50px;
  }
  
  .content-column {
    gap: 50px;
  }
  
  #skills, #projects {
    scroll-margin-top: 40px;
  }
}

/* VERY SMALL PHONES (400px and below) */
@media (max-width: 400px) {
  .container {
    padding: 0 15px;
  }
  
  .name-title {
    font-size: 1.8rem;
  }
  
  .subtitle {
    font-size: 1.1rem;
  }
  
  .description {
    font-size: 1rem;
  }
  
  .skills h2, 
  .projects-section h2 {
    font-size: 1.6rem;
    margin-bottom: 30px;
  }
  
  .project-technologies ul {
    gap: 8px;
  }
  
  .project-technologies li {
    font-size: 0.7rem;
    padding: 4px 10px;
  }
  
  .code-btn, .demo-btn {
    padding: 8px 20px;
    font-size: 0.85rem;
  }
  
  .presentation-column .contact li a {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .main-grid {
    gap: 40px;
  }
  
  .content-column {
    gap: 40px;
  }
  
  .nav-links a {
    padding: 10px;
    font-size: 0.9rem;
  }
}


/**================Projects*/
/* ========== PROJECTS PAGE STYLES ========== */

.projects-main {
  padding-top: 110px;
  padding-bottom: 80px;
}

.projects-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.projects-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.projects-header p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Projects Grid */
.all-projects {
  margin-bottom: 80px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 30px;
  transition: var(--transition);
  background-color: var(--color-background-light);
  height: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-align: center;
}

.project-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.project-header h3 {
  font-size: 1.3rem;
  color: var(--color-primary);
  font-weight: 500;
  flex: 1;
}

.project-date {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  color: var(--color-text-lighter);
  background-color: rgba(100, 255, 218, 0.1);
  padding: 4px 10px;
  border-radius: 20px;
}

.project-technologies ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 8px;
  margin-bottom: 15px;
  padding: 0;
}

.project-technologies li {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-primary);
  padding: 4px 10px;
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  background-color: rgba(100, 255, 218, 0.05);
}

.project-description {
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.6;
  flex: 1;
  font-size: 0.95rem;
}

.project-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-lighter);
  font-size: 0.85rem;
}

.stat i {
  color: var(--color-primary);
  font-size: 0.9rem;
}

.project-links {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.project-links .code-btn,
.project-links .demo-btn {
  padding: 8px 20px;
  border-radius: var(--border-radius);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
}

.project-links .code-btn:hover {
  background-color: var(--color-primary);
  color: #000;
  border-color: var(--color-primary);
}

.project-links .demo-btn:hover {
  background-color: var(--color-text);
  color: #000;
  border-color: var(--color-text);
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 50px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-background-light);
  margin-top: 60px;
}

.cta-section h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 15px;
  font-weight: 600;
}

.cta-section p {
  color: var(--color-text-light);
  margin-bottom: 30px;
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.github-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 30px;
  background-color: var(--color-primary);
  color: #000;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
  font-size: 1rem;
}

.github-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

/* ========== RESPONSIVE STYLES FOR PROJECTS PAGE ========== */

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
  
  .projects-header h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .projects-main {
    padding-top: 100px;
  }
  
  .projects-header {
    margin-bottom: 40px;
  }
  
  .projects-header h1 {
    font-size: 2.2rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .project-card {
    padding: 25px;
  }
  
  .project-icon {
    font-size: 2rem;
  }
  
  .cta-section {
    padding: 40px 20px;
  }
  
  .cta-section h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 576px) {
  .projects-main {
    padding-top: 120px;
  }
  
  .projects-header h1 {
    font-size: 1.9rem;
  }
  
  .projects-header p {
    font-size: 1rem;
  }
  
  .project-header {
    flex-direction: column;
    gap: 10px;
  }
  
  .project-date {
    align-self: flex-start;
  }
  
  .project-stats {
    flex-direction: column;
    gap: 10px;
  }
  
  .project-links {
    flex-direction: column;
  }
  
  .cta-section h2 {
    font-size: 1.6rem;
  }
  
  .cta-section p {
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .projects-header h1 {
    font-size: 1.7rem;
  }
  
  .project-card {
    padding: 20px;
  }
  
  .project-header h3 {
    font-size: 1.2rem;
  }
  
  .project-technologies li {
    font-size: 0.7rem;
    padding: 3px 8px;
  }
  
  .cta-section {
    padding: 30px 15px;
  }
}