/* ----- POPPINS FONT Link ----- */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

/* Base Styles */
:root {
  --primary-color: black;
  --secondary-color: #6c757d;
  --dark-color: black;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --body-color: #f8f9fa;
  --text-color: #333;
  --border-color: #dee2e6;
  --transition: all 0.3s ease;
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: var(--dark-color);

}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  background-color: var(--light-color);
}

section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.underline {
  height: 4px;
  width: 70px;
  background-color: var(--primary-color);
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

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

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

.secondary-btn {
  background-color: #efefef;
  color: black;
}

.secondary-btn:hover {
  background-color: grey;
  color: white;
  transform: translateY(-3px);
}

.small-btn {
  padding: 8px 20px;
  font-size: 0.9rem;
}

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

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--light-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);

  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5px
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  /* espacio entre nav y bandera */
}

header.no-shadow {
  box-shadow: none;
}

.logo {
  flex: 0 0 auto;
}

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


.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 600;
  transition: var(--transition);
  font-size: 0.9rem;
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--dark-color);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  background-color: var(--light-color);
}

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

.hero-content {
  flex: 1;
  padding-right: 30px;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 10px;
  line-height: 1.2;
  color: black;
}

.hero-content h2 {
  font-size: 2rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.cta-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--light-color);
  color: var(--dark-color);
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: #efefef;
  color: black;
  transform: translateY(-3px);
}

.hero-image {
  flex: 1;
  text-align: center;
}

.hero-image img {
  max-width: 80%;
  border-radius: 50%;
  object-fit: cover;
}

/* About Section */
.about {
  background-color: var(--light-color);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.about-image {
  flex: 1;
}

.about-image img {
  border-radius: 10px;
  width: 400px;
}

.about-text {
  flex: 1;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.about-text p {
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.detail {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.detail i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.detail h4 {
  margin-bottom: 5px;
  color: var(--dark-color);
}

.detail p {
  margin: 0;
  color: var(--secondary-color);
}

/* Skills Section */
.skills-content {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.skill-category h3 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--dark-color);
  text-align: center;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.skill-item {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.skill-item:hover {
  transform: translateY(-10px);
}

.skill-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.skill-item h4 {
  margin-bottom: 15px;
  color: var(--dark-color);
}

.skill-progress {
  height: 8px;
  background-color: var(--light-color);
  border-radius: 4px;
  margin-bottom: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 4px;
}

.skill-percentage {
  font-weight: 600;
  color: var(--primary-color);
}

/* Projects Section */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border: none;
  background-color: var(--light-color);
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.project-item {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

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

.project-img {
  overflow: hidden;
}

.project-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
}

.project-item:hover .project-img img {
  transform: scale(1.1);
}

.project-info {
  padding: 20px;
}

.project-info h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.project-info p {
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.project-tech span {
  background-color: var(--light-color);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 600;
}

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

/* Contact Section */
.contact {
  background-color: var(--light-color);
}

.contact-content {
  display: flex;
  gap: 50px;
}

.contact-info,
.contact-form {
  flex: 1;
}

.contact-info h3,
.contact-form h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.contact-info p {
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.contact-details {
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-item h4 {
  margin-bottom: 5px;
  color: var(--dark-color);
}

.contact-item p {
  margin: 0;
  color: var(--secondary-color);
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group textarea {
  height: 150px;
  resize: none;
}

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

.error-message {
  color: var(--danger-color);
  font-size: 0.8rem;
  position: absolute;
  bottom: -18px;
  left: 0;
}

/* Footer */
footer {
  background-color: var(--light-color);
  color: black;
  padding: 20px 0;
  text-align: center;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
  }

  .nav-links.active {
    left: 0;
  }

  .nav-links li {
    margin: 15px 0;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 50px;
  }

  .cta-buttons {
    justify-content: center;
  }

  .social-icons {
    justify-content: center;
  }

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

  .about-image {
    margin-bottom: 30px;
  }

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

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

  .contact-info {
    margin-bottom: 30px;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content h2 {
    font-size: 1.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .about-details {
    grid-template-columns: 1fr;
  }

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

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

  .project-filters {
    flex-direction: column;
    align-items: center;
  }

  .filter-btn {
    width: 100%;
    max-width: 200px;
  }
}

.modal-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content-video {
  position: relative;
  max-width: 800px;
  width: 90%;
  background: #000;
  padding: 0;
  border-radius: 8px;
}

.close-btn-video {
  position: absolute;
  top: 8px;
  right: 12px;
  color: black;
  font-size: 32px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1100;
}

.language-toggle {
  margin-left: 20px;
}

.language-toggle button {
  padding: 5px 10px;
  border: none;
  background: var(--light-color);
  cursor: pointer;
  font-weight: bold;
}

.language-selector {
  position: relative;
  flex-shrink: 0;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
}

.lang-dropdown {
  display: none;
  position: absolute;
  background-color: white;
  box-shadow: var(--box-shadow);
  list-style: none;
  margin: 0;
  padding: 0;
  top: 100%;
  left: 0;
  z-index: 1000;
}

.lang-dropdown li {
  padding: 10px 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.lang-dropdown li:hover {
  background-color: #f0f0f0;
}

.language-selector:hover .lang-dropdown {
  display: block;
}

.lang-btn,
.lang-dropdown li {
  padding: 5px 10px;
  font-size: 1.3rem;
  background: none;
  border: none;
  cursor: pointer;
}

.lang-dropdown li:hover {
  background-color: #f0f0f0;
}

.lang-icon {
  width: 24px;
  height: 16px;
  object-fit: contain;
}

.lang-btn,
.lang-dropdown li {
  background: none;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.lang-dropdown li:hover {
  background-color: #f0f0f0;
}

footer p {
  font-size: 0.9rem;
  /* o usa px si lo prefieres */
}