:root {
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-border: #e0e0e0;
  --color-dark: #0a0a0a;
  --color-primary: #1a1a1a;
  --color-accent: #000000;
  --color-success: #333333;
  --max-width: 1200px;
  --max-width-text: 800px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-xxl: 2.5rem;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap');

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: #f8f9fa;
  font-weight: 400;
  overflow-x: hidden;
}

/* Header & Navigation */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

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

.nav-brand a {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
  letter-spacing: -0.5px;
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.3s;
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  letter-spacing: 0.5px;
}

.nav-link:hover,
.nav-link.active {
  opacity: 0.6;
}

.lang-switcher {
  display: flex;
  gap: var(--spacing-sm);
  border-left: 1px solid var(--color-border);
  padding-left: var(--spacing-md);
  margin-left: var(--spacing-md);
}

.lang-link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
}

.lang-link:hover {
  color: var(--color-text);
}

/* Main Content */
main {
  min-height: 60vh;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
  letter-spacing: -1px;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
  letter-spacing: -0.5px;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.25px;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
}

a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: opacity 0.3s;
}

a:hover {
  opacity: 0.6;
}

b, strong {
  font-weight: 600;
  color: var(--color-dark);
}

/* Home Page */
.home-container {
  margin: 0;
  padding: 0;
}

/* Hero Fullscreen - Estilo Marc Vidal */
.hero-fullscreen {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(10, 10, 10, 0.7) 100%),
    url('/img/hero.png') center 30%;
  background-size: cover;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(20, 20, 20, 0.1) 0%, transparent 50%),
    linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(10, 10, 10, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-xxl);
}

.hero-text {
  max-width: 700px;
}

.hero-name {
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: white;
  margin-bottom: var(--spacing-sm);
}

.hero-tagline {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: white;
  margin-bottom: var(--spacing-xl);
  letter-spacing: -1px;
  text-transform: none;
}

.hero-button {
  display: inline-block;
  background: transparent;
  color: white;
  padding: 1rem 2.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid white;
  transition: all 0.3s;
}

.hero-button:hover {
  background: white;
  color: var(--color-dark);
  transform: translateX(5px);
}

/* Social Icons */
.hero-social {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  text-decoration: none;
  color: white;
  transition: transform 0.3s, opacity 0.3s;
}

.social-item:hover {
  transform: translateY(-3px);
  opacity: 0.8;
}

.social-item svg {
  width: 26px;
  height: 26px;
  margin-bottom: 0.15rem;
}

.social-item span {
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
}

.content {
  max-width: var(--max-width-text);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  background: white;
  border-radius: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

.content h1 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
}

.content h2 {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.content p, .content li, .content strong {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.content ul, .content ol {
  padding-left: 3rem;
  margin: 1.5rem 0;
}

.content li {
  margin: 0.75rem 0;
  padding-left: 0.5rem;
}

/* List Pages */
.list-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  background: white;
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: 0;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.05) 0px, rgba(0, 0, 0, 0.05) 2px, transparent 2px, transparent 4px);
  pointer-events: none;
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
  color: white;
  position: relative;
  z-index: 1;
}

.page-intro {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-top: var(--spacing-sm);
  position: relative;
  z-index: 1;
  line-height: 1.6;
}

.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  padding: 0 var(--spacing-md);
}

.item-card {
  background: white;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.item-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.item-card h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

.item-card h2 a {
  color: var(--color-dark);
  text-decoration: none;
}

.item-card h2 a:hover {
  color: var(--color-accent);
}

.item-card p {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
  line-height: 1.5;
}

.item-card time {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

.read-more {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border-bottom: 2px solid var(--color-dark);
  padding-bottom: 2px;
}

.read-more:hover {
  opacity: 0.6;
}

/* Single Page */
.single-page {
  max-width: var(--max-width-text);
  margin: 0 auto;
  padding: var(--spacing-xxl) var(--spacing-md);
}

.single-page header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.single-page time {
  display: block;
  color: var(--color-text-light);
  font-size: 1rem;
  margin-top: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

.project-links {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.project-links a {
  display: inline-block;
  background: var(--color-dark);
  color: white;
  padding: 1rem 3rem;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.3s;
}

.project-links a:hover {
  opacity: 0.8;
}

/* Metrics Grid */
/* Ocultar métricas viejas */
.metrics-grid {
  display: none;
}

/* Projects & Talks specific styles */
.project-header {
  margin-bottom: var(--spacing-md);
}

.project-meta,
.project-meta-single {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.project-language,
.project-stars {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 600;
}

.project-stars {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-excerpt {
  margin: var(--spacing-md) 0;
  color: var(--color-text);
  font-size: 1.1rem;
}

.talk-card time {
  font-size: 0.85rem;
}

.talk-event {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.talk-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.talk-link {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.talk-meta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  color: var(--color-text-light);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.talk-meta span {
  font-size: 1rem;
}

.talk-action-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.talk-action-links a + a {
  background: white;
  color: var(--color-dark);
  border: 2px solid var(--color-dark);
}

.talk-action-links a + a:hover {
  background: var(--color-dark);
  color: white;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 4px);
  pointer-events: none;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.footer-main h3 {
  font-size: 1.75rem;
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.footer-tagline {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.footer-cta {
  margin-top: var(--spacing-lg);
}

.footer-button {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: 0.75rem 2rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.footer-button:hover {
  background: var(--color-success);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(39, 174, 96, 0.4);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.footer-section h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
  color: rgba(255,255,255,0.6);
  font-weight: 600;
}

.footer-section p {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.footer-section a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

.footer-section a:hover {
  opacity: 0.7;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

/* Conference Gallery */
.conference-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.conference-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.3s;
  background: var(--color-border);
  aspect-ratio: 16/9;
}

.conference-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.conference-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.conference-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: var(--spacing-md);
  color: white;
}

.conference-name {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.conference-event {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* Placeholder for images */
.conference-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  font-size: 0.9rem;
  text-align: center;
  padding: var(--spacing-md);
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 1024px) {
  .items-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .conference-gallery {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.95rem;
  }

  .hero-fullscreen {
    min-height: 90vh;
    background-attachment: scroll;
  }

  .hero-name {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 2.25rem;
  }

  .hero-content {
    gap: var(--spacing-xl);
  }

  .hero-social {
    gap: var(--spacing-md);
  }

  .social-item svg {
    width: 28px;
    height: 28px;
  }

  .social-item span {
    font-size: 0.75rem;
  }

  .nav-container {
    flex-direction: column;
    text-align: center;
    padding: 0.75rem var(--spacing-sm);
    gap: 0.75rem;
  }

  .nav-menu {
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }

  .nav-link {
    font-size: 0.9rem;
  }

  .lang-switcher {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: 0.75rem;
    margin-left: 0;
    margin-top: 0.75rem;
    width: 100%;
    justify-content: center;
  }

  .profile-pic {
    width: 120px;
    height: 120px;
  }

  .hero-section {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
  }

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

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .metric-value {
    font-size: 2.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-main h3 {
    font-size: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Responsive para tarjetas de talks y projects */
  .talk-card-modern,
  .project-card-modern {
    flex-direction: column !important;
  }

  .talk-image,
  .project-image {
    flex: 0 0 180px !important;
    min-height: 180px !important;
  }

  .talk-content,
  .project-content {
    padding: 1.2rem 1rem !important;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
    letter-spacing: -0.5px;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero-name {
    font-size: 1.5rem;
  }

  .hero-tagline {
    font-size: 1.75rem;
  }

  .hero-button {
    padding: 0.875rem 2rem;
    font-size: 0.85rem;
  }

  .hero-social {
    gap: var(--spacing-sm);
    justify-content: center;
  }

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

  .content,
  .single-page,
  .list-page {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .nav-brand a {
    font-size: 1.25rem;
  }

  .nav-link {
    font-size: 0.9rem;
  }

  header {
    padding: var(--spacing-sm) 0;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0;
    gap: var(--spacing-sm);
  }

  .metric-value {
    font-size: 1.5rem;
  }

  .metric-label {
    font-size: 0.7rem;
  }

  .footer-main h3 {
    font-size: 1.5rem;
  }

  .footer-tagline {
    font-size: 0.9rem;
  }

  .footer-button {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .page-header {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}