/* Reset y configuración base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colores elegantes con toques cyberpunk */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: #0d1117;
  --bg-glass: rgba(255, 255, 255, 0.05);

  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --text-accent: #ffffff;

  --accent-primary: #00d4ff;
  --accent-secondary: #00ff88;
  --accent-tertiary: #ff6b6b;
  --accent-purple: #8b5cf6;

  --border-color: #333333;
  --border-light: #444444;
  --border-accent: #00d4ff;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-glow-green: 0 0 20px rgba(0, 255, 136, 0.3);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
}

/* Tema Claro */
.light-theme {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-glass: rgba(0, 0, 0, 0.05);

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-accent: #1e293b;

  --accent-primary: #0ea5e9;
  --accent-secondary: #10b981;
  --accent-tertiary: #ef4444;
  --accent-purple: #8b5cf6;

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-accent: #0ea5e9;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.2);
  --shadow-glow-green: 0 0 20px rgba(16, 185, 129, 0.2);
}

/* Configuración base */
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--transition);
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.bg-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(0, 212, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(0, 255, 136, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(139, 92, 246, 0.1) 0%,
      transparent 50%
    );
  animation: particleFloat 8s ease-in-out infinite alternate;
}

@keyframes particleFloat {
  0% {
    opacity: 0.3;
    transform: scale(1);
  }
  100% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  color: var(--accent-primary);
  font-size: 1.2rem;
  font-weight: 600;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle,
.language-toggle {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.theme-toggle:hover,
.language-toggle:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.lang-text {
  font-weight: 600;
  font-size: 0.8rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-glass);
  border: 1px solid var(--accent-primary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xs) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  backdrop-filter: blur(10px);
}

.badge-text {
  color: var(--accent-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.title-line {
  display: block;
}

.greeting {
  color: var(--text-secondary);
  font-weight: 400;
}

.name-text {
  color: var(--text-primary);
  position: relative;
}

.cursor-blink {
  color: var(--accent-primary);
  animation: blink 1s infinite;
  font-weight: 300;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.highlight {
  color: var(--accent-primary);
  font-weight: 600;
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  opacity: 0.3;
  border-radius: 1px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::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 ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Code Terminal (estilo terminal Linux / GTK, sin “traffic lights” macOS) */
.code-terminal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.4rem 0.5rem 0.4rem 0.65rem;
  background: linear-gradient(180deg, #2d2d2d 0%, #252525 100%);
  border-bottom: 1px solid #1a1a1a;
  min-height: 36px;
}

.light-theme .terminal-header {
  background: linear-gradient(180deg, #ececec 0%, #e4e4e4 100%);
  border-bottom-color: var(--border-color);
}

.terminal-header-start {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.terminal-app-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent-secondary);
  font-size: 0.85rem;
  opacity: 0.95;
}

.terminal-session {
  font-family: "Fira Code", "JetBrains Mono", monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0.15rem 0.4rem;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.light-theme .terminal-session {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.08);
}

.terminal-title {
  flex: 1;
  min-width: 0;
  font-family: "Fira Code", "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: #c0c0c0;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.light-theme .terminal-title {
  color: var(--text-secondary);
}

.terminal-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.terminal-csd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.35rem;
  font-family: "Fira Code", monospace;
  font-size: 0.65rem;
  line-height: 1;
  color: #9a9a9a;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.terminal-csd:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #e0e0e0;
}

.light-theme .terminal-csd {
  color: #666;
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
}

.light-theme .terminal-csd:hover {
  background: rgba(0, 0, 0, 0.07);
  color: var(--text-primary);
}

.terminal-content {
  padding: var(--spacing-md);
  font-family: "Fira Code", monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

.code-line {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.prompt {
  color: var(--accent-primary);
  font-weight: 600;
}

.command {
  color: var(--text-primary);
  font-weight: 500;
}

.code-output {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.skill-name {
  min-width: 80px;
  color: var(--text-primary);
  font-size: 0.8rem;
}

.skill-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  border-radius: 2px;
  width: 0;
  transition: width 2s ease;
}

/* Sections */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

.about-visual {
  display: flex;
  justify-content: center;
}

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

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.tech-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.tech-item i {
  font-size: 2rem;
  color: var(--accent-primary);
}

.tech-item span {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.skill-category {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.category-header i {
  color: var(--accent-primary);
  font-size: 1.2rem;
}

.category-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.skill-name {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.skill-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  border-radius: 3px;
  width: 0;
  transition: width 1.5s ease;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.project-image {
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-icon {
  font-size: 3rem;
  color: white;
  z-index: 2;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: var(--spacing-sm);
}

.project-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.project-link:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.project-content {
  padding: var(--spacing-lg);
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tech-tag {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--accent-primary);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.contact-details h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact-details p {
  color: var(--text-secondary);
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-4px) scale(1.1);
  box-shadow: var(--shadow-glow);
}

.contact-form {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* Footer */
.footer {
  background: var(--bg-glass);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
  text-align: center;
  backdrop-filter: blur(10px);
}

.footer-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

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

  .contact-content {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }

  .tech-stack {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: var(--spacing-lg);
  }
}

/* Animaciones */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Utilidades */
.hidden {
  display: none;
}
.visible {
  display: block;
}
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}