/* Sections Styling */

/* Smooth transitions for theme changes */
.section,
.navbar,
.hero,
.about,
.differences,
.services,
.why-choose,
.cta,
.footer,
.modal-container,
.mission-box,
.email-btn,
.social-link,
.back-to-top {
  transition: background-color var(--transition-base), 
              border-color var(--transition-base),
              color var(--transition-base);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: var(--bg-primary);
  backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--border-color);
  opacity: 0.95;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--text-primary);
}

.logo-img {
  width: var(--icon-xl);
  height: var(--icon-xl);
}

.logo-text {
  display: flex;
  align-items: center;
}

.cursor {
  color: var(--color-primary);
  animation: blink 1s step-end infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  margin-left: var(--space-6);
}

/* Theme toggle in nav menu */
.nav-theme-toggle {
  display: flex;
  align-items: center;
}

.nav-theme-toggle .theme-toggle {
  margin: 0;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 1px;
}

/* Animación a X cuando está activo */
.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-20) var(--space-6);
}

.particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-base);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.hero-logo {
  margin-bottom: var(--space-8);
}

.hero-logo-text {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.hero-logo-text .cursor {
  font-size: 0.6em;
  vertical-align: middle;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.badge-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.badge-link:hover {
  border-color: var(--color-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.badge-icon {
  font-size: var(--text-base);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-7xl);
  font-weight: 400;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--card-icon-lg);
}

.typing-text {
  display: inline;
}

.cursor-blink {
  color: var(--color-primary);
  animation: blink 1s step-end infinite;
}

.hero-subtitle {
  font-size: var(--text-2xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-text {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

.mission-box {
  padding: var(--space-6);
  background: var(--bg-tertiary);
  border-left: var(--border-width-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.mission-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mission-text {
  margin-top: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 500;
}

/* Code Visual */
.code-visual {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  width: 100%;
  max-width: 400px;
}

.code-line {
  padding-left: var(--space-4);
}

.code-keyword {
  color: #c586c0;
}

.code-var {
  color: #9cdcfe;
}

.code-property {
  color: #9cdcfe;
}

.code-string {
  color: #ce9178;
}

.code-boolean {
  color: #569cd6;
}

/* Open Source Section */
.open-source {
  background: var(--bg-primary);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: var(--space-4) auto 0;
  text-align: center;
}

.contribute-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.contribute-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.contribute-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.contribute-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.contribute-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.contribute-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

.contribute-cta {
  text-align: center;
  margin-top: var(--space-10);
  color: var(--text-secondary);
}

.contribute-cta a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.contribute-cta a:hover {
  text-decoration: underline;
}

/* Differences Section */
.differences {
  background: var(--bg-primary);
}

.differences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  container-type: inline-size;
  container-name: differences;
}

/* Services Section */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  container-type: inline-size;
  container-name: services;
}

/* Why Choose Section */
.why-choose {
  background: var(--bg-primary);
}

/* CTA Section */
.cta {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(86, 195, 79, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  text-align: left;
  max-width: var(--container-sm);
  margin-left: auto;
  margin-right: auto;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
}

.feature-check {
  color: var(--color-primary);
  font-weight: 700;
}

.cta-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--bg-primary);
  padding: var(--space-24) 0 var(--space-8);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  align-items: center;
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-title {
  font-size: var(--text-3xl);
  font-weight: 700;
}

.footer-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
}

.footer-text {
  color: var(--text-tertiary);
}

.email-container {
  position: relative;
  display: inline-block;
}

.email-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.email-btn:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.email-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.email-icon svg {
  width: 100%;
  height: 100%;
}

.copy-feedback {
  position: absolute;
  top: calc(var(--space-8) * -1);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.copy-feedback.show {
  opacity: 1;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 500;
  transition: all var(--transition-base);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

.social-link:hover {
  border-color: var(--color-primary);
  transform: translateX(5px);
  box-shadow: var(--shadow-glow);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-6);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-logo {
  width: var(--space-32);
  height: var(--space-32);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.brand-text strong {
  font-weight: 600;
}

.brand-text span {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.footer-tagline {
  font-style: italic;
  color: var(--text-secondary);
}

.back-to-top {
  width: var(--icon-2xl);
  height: var(--icon-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
}

.back-to-top:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

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

.footer-legal {
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

/* Contact Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: color-mix(in srgb, var(--bg-primary) 80%, transparent);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), background var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  position: relative;
  width: 100%;
  max-width: var(--container-sm);
  max-height: var(--modal-max-height-desktop);
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: var(--icon-xl);
  height: var(--icon-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-close:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: rotate(90deg);
}

.modal-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.modal-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.modal-subtitle {
  color: var(--text-secondary);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2356C34F' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: var(--icon-sm);
  padding-right: var(--icon-xl);
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  margin-top: var(--space-2);
  position: relative;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-loader {
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

/* Success Message */
.success-message {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  min-height: 400px;
}

.success-icon {
  width: var(--card-icon-lg);
  height: var(--card-icon-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  animation: scaleIn 0.5s ease;
}

.success-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.success-text {
  color: var(--text-secondary);
  max-width: 300px;
}

/* Container Queries para diferencias-grid y services-grid */
.container-open-source {
  container-type: inline-size;
  container-name: open-source;
}

@container differences (max-width: 700px) {
  .differences-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@container differences (max-width: 450px) {
  .differences-grid {
    grid-template-columns: 1fr;
  }
}

@container open-source (max-width: 800px) {
  .contribute-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@container open-source (max-width: 500px) {
  .contribute-grid {
    grid-template-columns: 1fr;
  }
}

@container services (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

@container services (max-width: 500px) {
  .service-card.featured {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .service-card.featured .service-header {
    align-items: center;
  }
}

/* Fallback para navegadores sin soporte de container queries */
@supports not (container-type: inline-size) {
  @media (max-width: 900px) {
    .differences-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 768px) {
    .contribute-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 600px) {
    .differences-grid {
      grid-template-columns: 1fr;
    }
    
    .services-grid {
      grid-template-columns: 1fr;
    }
    
    .contribute-grid {
      grid-template-columns: 1fr;
    }
  }
}